/* DESIGN SYSTEM & TOKENS */
:root {
  /* Colors - Light Theme (Default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-blue: #2563eb;
  --accent-purple: #7c3aed;
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --gradient-text: linear-gradient(90deg, #2563eb 0%, #7c3aed 100%);
  --border-color: #e2e8f0;
  
  /* Header variables */
  --header-bg-default: rgba(255, 255, 255, 0.8);
  --header-bg-scrolled: rgba(255, 255, 255, 0.95);
  --header-border: rgba(226, 232, 240, 0.5);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-premium: 0 20px 40px -15px rgba(37, 99, 235, 0.08);
  
  /* Fonts */
  --font-main: 'Montserrat', 'Avenir Next', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  /* Layout constraints */
  --header-height: 80px;
}

body.dark-theme {
  /* Colors - Dark Theme Override */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: #334155;
  
  /* Header variables - Dark */
  --header-bg-default: rgba(15, 23, 42, 0.8);
  --header-bg-scrolled: rgba(15, 23, 42, 0.95);
  --header-border: rgba(51, 65, 85, 0.5);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

/* BASE STYLES & RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal);
}

/* SPA Pages Switch Layout */
.spa-page {
  display: none;
}

.spa-page.active {
  display: block;
}

/* Smooth color transitions for dark mode toggle */
header, section, footer, .spa-page, .price-card, .project-card, .detail-feat-card, .ext-container, .ext-header, .ext-tab-bar, .ext-feature-row, .chrome-header-bar, .api-key-input, .supa-input, .chat-text-input, .note-textarea, .search-note-input {
  transition: background-color var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

input, button, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

/* LAYOUT CONTAINER */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
  opacity: 0.95;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--text-primary);
  color: #ffffff;
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-admin {
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 20px;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.8);
}

.btn-admin:hover {
  background: var(--text-primary);
  color: #ffffff;
  border-color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-subscribe {
  background: var(--text-primary);
  color: #ffffff;
  padding: 12px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}

.btn-subscribe:hover {
  background: var(--accent-blue);
  transform: scale(1.05);
}

/* UTILITY CLASSES */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.text-center {
  text-align: center;
}

.section-badge {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-blue);
  margin-bottom: 16px;
  display: inline-block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px auto;
}

/* HEADER / NAVIGATION */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--header-bg-default);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--header-border);
  z-index: 1000;
  transition: all var(--transition-fast);
}

.header.scrolled {
  height: 70px;
  background-color: var(--header-bg-scrolled);
  box-shadow: var(--shadow-sm);
}

/* Theme Toggle Button */
.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-secondary);
  border-color: var(--text-muted);
}

.theme-toggle i {
  width: 18px;
  height: 18px;
}

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }
body.dark-theme .theme-toggle .sun-icon { display: block; }
body.dark-theme .theme-toggle .moon-icon { display: none; }

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 168px;
  height: 48px;
  padding: 0;
  position: relative;
}

.site-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo-mark-white {
  display: none;
}

body.dark-theme .logo:not(.footer-logo) .logo-mark-blue {
  display: none;
}

body.dark-theme .logo:not(.footer-logo) .logo-mark-white {
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link.active {
  color: var(--text-primary);
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.lang-option {
  cursor: pointer;
  transition: var(--transition-fast);
}

.lang-option:hover,
.lang-option.active {
  color: var(--text-primary);
}

.lang-separator {
  color: var(--border-color);
  user-select: none;
}

.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

/* SECTION 1: HERO BANNER */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background-color: var(--bg-primary);
  overflow: hidden;
}

.hero-bg-gradients {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.gradient-sphere {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(100px);
  opacity: 0.12;
}

.gradient-sphere-1 {
  top: 10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: var(--accent-blue);
}

.gradient-sphere-2 {
  bottom: -10%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: var(--accent-purple);
}

.hero-container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 650px;
  margin: 0 auto 40px auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
}

.btn-cta {
  padding: 16px 40px;
  font-size: 1rem;
}

.btn-cta i {
  transition: transform var(--transition-fast);
}

.btn-cta:hover i {
  transform: translateX(4px);
}

/* MARQUEE RUNNING TEXT (TICKER) */
.ticker-wrapper {
  overflow: hidden;
  background-color: var(--text-primary);
  color: #ffffff;
  padding: 18px 0;
  display: flex;
  white-space: nowrap;
  user-select: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  z-index: 5;
  position: relative;
}

.ticker-track {
  display: flex;
  animation: ticker-animation 25s linear infinite;
  width: max-content;
}

.ticker-reverse .ticker-track {
  animation-direction: reverse;
}

.ticker-item {
  padding: 0 40px;
  flex-shrink: 0;
}

@keyframes ticker-animation {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* SECTION 2: ABOUT US */
.about-section {
  padding: 120px 0;
  background-color: var(--bg-primary);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 80px;
}

.about-text-content {
  display: flex;
  flex-direction: column;
}

.about-paragraphs p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.about-paragraphs p:last-child {
  margin-bottom: 0;
}

.about-media {
  position: relative;
}

.media-container {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-premium);
  aspect-ratio: 1 / 1;
  background-color: var(--bg-secondary);
}

.about-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.media-container:hover .about-image {
  transform: scale(1.05);
}

.media-accent-box {
  position: absolute;
  top: -15px;
  right: -15px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  z-index: -1;
  pointer-events: none;
  transition: var(--transition-normal);
}

.about-media:hover .media-accent-box {
  transform: translate(8px, 8px);
  border-color: var(--accent-blue);
}

/* STATS BLOCK */
.stats-container {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  border-top: 1px solid var(--border-color);
  padding-top: 60px;
  gap: 40px;
  margin-top: 40px;
}

.stats-title-col {
  display: flex;
  align-items: flex-start;
}

.stats-main-title {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  position: relative;
  padding-bottom: 8px;
}

.stats-main-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.stat-card {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.stat-label {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.stat-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* SECTION 3: SERVICES */
.services-section {
  padding: 120px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.services-header {
  margin-bottom: 60px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.service-card {
  background: var(--bg-primary);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(37, 99, 235, 0.2);
}

.service-icon-box {
  width: 56px;
  height: 56px;
  background-color: var(--bg-secondary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  margin-bottom: 24px;
  transition: var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background: var(--gradient-primary);
  color: #ffffff;
}

.service-icon {
  width: 26px;
  height: 26px;
}

.service-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-bullets {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.service-bullets li {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  position: relative;
  padding-left: 14px;
}

.service-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: var(--radius-full);
  background-color: var(--accent-blue);
}

/* BRAND PARTNERS */
.partners-block {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 80px;
}

.partners-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 32px;
}

.partners-logos {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
}

.software-stack-logos {
  justify-content: center;
  gap: 18px;
}

.partner-logo {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--text-muted);
  opacity: 0.6;
  transition: var(--transition-fast);
  cursor: default;
}

.software-stack-logos .partner-logo {
  opacity: 1;
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 54px;
  height: 54px;
  overflow: hidden;
  transform: translateY(0) scale(1);
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.software-stack-logos .partner-logo img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  flex-shrink: 0;
}

.software-stack-logos .partner-logo span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.software-stack-logos .partner-logo:hover {
  transform: translateY(-2px) scale(1.1);
  filter: drop-shadow(0 10px 16px rgba(15, 23, 42, 0.16));
}

.partner-logo:hover {
  opacity: 1;
  color: var(--text-primary);
}

/* TESTIMONIALS block */
.testimonials-header {
  margin-bottom: 48px;
}

.section-sub-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-top: 10px;
}

.feedback-carousel {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding: 8px 0 16px;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.feedback-track {
  display: flex;
  gap: 22px;
  width: max-content;
  animation: feedback-marquee 34s linear infinite;
}

.feedback-carousel:hover .feedback-track {
  animation-play-state: paused;
}

.feedback-card {
  width: min(380px, 78vw);
  margin: 0;
  flex: 0 0 auto;
  border-radius: 0;
  overflow: visible;
  border: 0;
  background: transparent;
  box-shadow: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.feedback-card:hover {
  transform: translateY(-4px);
}

.feedback-card img {
  width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: contain;
  display: block;
  background: transparent;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);
}

.feedback-card.is-missing::before {
  content: "Feedback image";
  position: absolute;
  inset: 0 0 42px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(124, 58, 237, 0.1));
  min-height: 230px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.feedback-card.is-missing img {
  opacity: 0;
}

.feedback-card figcaption {
  padding: 12px 4px 0;
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--text-primary);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

@keyframes feedback-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-50% - 11px));
  }
}

@media (max-width: 768px) {
  .feedback-carousel {
    overflow-x: auto;
    mask-image: none;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .feedback-carousel::-webkit-scrollbar {
    display: none;
  }

  .feedback-track {
    animation: none;
    width: max-content;
    padding: 0 18px;
  }

  .feedback-card {
    width: 82vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .feedback-track {
    animation: none;
  }
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-primary);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(37, 99, 235, 0.15);
}

.client-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.client-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  flex-shrink: 0;
}

.client-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.client-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.client-company {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.testimonial-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 18px;
  flex-grow: 1;
}

.testimonial-rating {
  display: flex;
  gap: 4px;
}

.star-icon {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.star-icon.fill {
  color: #fbbf24; /* yellow-400 */
  fill: #fbbf24;
}

/* FOOTER */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 30px 0;
  color: var(--text-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 0.8fr);
  gap: 48px;
  margin-bottom: 60px;
}

.footer-logo {
  margin-bottom: 20px;
  width: 190px;
  height: 54px;
  padding: 0;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 24px;
  height: 24px;
  background-color: transparent;
  border: 0;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  overflow: hidden;
}

.social-links a:hover {
  background-color: transparent;
  color: var(--accent-blue);
  border-color: transparent;
  transform: translateY(-2px) scale(1.06);
}

.social-links a i {
  width: 16px;
  height: 16px;
}

.social-links a span,
.social-links a img {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 900;
}

.social-fallback-text {
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.social-links a img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-full);
  transform: scale(1);
}

.footer-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  position: relative;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-blue);
  padding-left: 4px;
}

.footer-contact-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 18px;
  line-height: 1.5;
}

.subscribe-form {
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 4px 4px 4px 16px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.subscribe-form:focus-within {
  border-color: var(--accent-blue);
}

.subscribe-input {
  flex-grow: 1;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.subscribe-input::placeholder {
  color: var(--text-muted);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* SCROLL DRIVEN ANIMATIONS (JS-trigger) */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.appear {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* ================= PRICING PAGE STYLES ================= */
.pricing-hero {
  padding: 80px 0 40px 0;
  background-color: var(--bg-primary);
  position: relative;
}

.pricing-hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.pricing-hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 40px auto;
}

/* Pricing Switcher Toggle */
.pricing-switch-container {
  display: inline-flex;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 6px;
  border-radius: var(--radius-full);
  position: relative;
  width: 320px;
  height: 52px;
  box-shadow: var(--shadow-sm);
}

.pricing-switch-btn {
  flex: 1;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-secondary);
  z-index: 2;
  transition: color var(--transition-normal);
  text-align: center;
  line-height: 38px;
  border: none;
  background: none;
  cursor: pointer;
}

.pricing-switch-btn.active {
  color: #ffffff;
}

.pricing-switch-bg {
  position: absolute;
  top: 6px;
  left: 6px;
  width: calc(50% - 6px);
  height: calc(100% - 12px);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  z-index: 1;
  transition: transform var(--transition-normal);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

.pricing-switch-container.active-corporate .pricing-switch-bg {
  transform: translateX(100%);
}

/* Pricing Panel Visibility */
.pricing-content-section {
  padding: 40px 0 100px 0;
}

.pricing-panel {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.pricing-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Category Headings */
.category-heading {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  color: var(--text-primary);
  border-left: 4px solid var(--accent-blue);
  padding-left: 16px;
}

.category-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  padding-left: 20px;
}

.subcategory-heading {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
  padding-left: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

/* Pricing Grids */
.pricing-grid {
  display: grid;
  gap: 30px;
  margin-bottom: 40px;
  padding: 0 20px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

/* Standard Price Card */
.price-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.price-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.price-card.featured {
  border: 2px solid var(--accent-blue);
  box-shadow: var(--shadow-premium);
  transform: scale(1.02);
}

.price-card.featured:hover {
  transform: scale(1.02) translateY(-5px);
}

.popular-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 1px;
}

.price-card-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 24px;
}

.card-package-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.card-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.price-unit {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.price-card-body {
  flex-grow: 1;
  margin-bottom: 32px;
}

.card-features-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-features-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 28px;
  line-height: 1.5;
}

.card-features-list li .check-icon {
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  color: var(--accent-blue);
}

.card-features-list li ul {
  margin-top: 8px;
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-features-list li ul li {
  font-size: 0.825rem;
  color: var(--text-secondary);
  padding-left: 12px;
}

.card-features-list li ul li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.w-100 {
  width: 100%;
}

/* Simple Price Cards */
.price-card.simple-card {
  padding: 30px 24px;
  text-align: center;
}

.simple-card-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.simple-card-price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-blue);
  margin-bottom: 20px;
}

.price-sub-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.simple-card-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  flex-grow: 1;
}

.simple-card-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Spec Pricing Cards (numbered 1,2,3) */
.price-card.spec-card {
  position: relative;
  padding-top: 50px;
}

.spec-number {
  position: absolute;
  top: 24px;
  left: 32px;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-blue);
  opacity: 0.3;
}

.spec-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.spec-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.spec-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.spec-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 20px;
}

.chevron-icon {
  position: absolute;
  left: 0;
  top: 4px;
  width: 14px;
  height: 14px;
  color: var(--accent-blue);
}

/* Video Social Cards */
.price-card.video-card {
  padding: 40px;
}

.video-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.video-badge {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-blue);
}

.video-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.video-price {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-purple);
}

.video-unit {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.video-desc-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-style: italic;
}

.video-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.video-features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 24px;
}

.video-features li .check-icon {
  position: absolute;
  left: 0;
  top: 3px;
  width: 16px;
  height: 16px;
  color: var(--accent-purple);
}

/* Model 3D Cards */
.price-card.model-card {
  text-align: center;
  padding: 32px 24px;
}

.model-type {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.model-price {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-blue);
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.model-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  text-align: left;
  flex-grow: 1;
}

.model-features li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 14px;
}

.model-features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
}

/* Corporate Cards */
.price-card.corporate-card {
  padding: 32px;
}

.corporate-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.corporate-table {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.table-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.table-row:last-child {
  border-bottom: none;
}

.row-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.row-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.corporate-price-box {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.corp-price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-blue);
}

.corp-badge {
  background-color: var(--bg-tertiary);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.corp-desc-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.corp-features-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.corp-features-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 24px;
}

.corp-features-list li .check-icon {
  position: absolute;
  left: 0;
  top: 2px;
  width: 16px;
  height: 16px;
  color: var(--accent-blue);
}

/* Logo Design Cards */
.price-card.logo-card {
  padding: 32px 24px;
}

.logo-package-name {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.logo-price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.logo-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.logo-features li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 14px;
}

.logo-features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
}

.price-card.logo-card.featured {
  border: 2px solid var(--accent-blue);
}

/* Interactive Calculator */
.calculator-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  margin: 0 20px;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.calc-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: block;
}

.calc-group {
  margin-bottom: 30px;
}

.calc-group:last-child {
  margin-bottom: 0;
}

.calc-type-selector {
  display: flex;
  gap: 12px;
}

.calc-type-btn {
  flex: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-align: center;
  border: none;
  cursor: pointer;
}

.calc-type-btn:hover {
  border-color: var(--text-muted);
}

.calc-type-btn.active {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background-color: rgba(37, 99, 235, 0.03);
  box-shadow: inset 0 0 0 1px var(--accent-blue);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-blue);
}

.pages-slider {
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  outline: none;
  margin: 16px 0 8px 0;
  -webkit-appearance: none;
}

.pages-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient-primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
  transition: transform var(--transition-fast);
}

.pages-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.slider-limits {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.calc-results {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.calc-result-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.result-price-box {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 24px;
}

.result-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1px;
}

.result-unit {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.calc-breakdown {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.breakdown-row span {
  color: var(--text-secondary);
}

.breakdown-row strong {
  color: var(--text-primary);
}

/* Corporate Video Block */
.corporate-video-block {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  box-shadow: var(--shadow-sm);
}

.corp-video-content {
  max-width: 600px;
}

.corp-video-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.corp-video-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.corp-video-services-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.corp-video-services-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.video-icon-mini {
  width: 16px;
  height: 16px;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.corp-video-pricing-badge {
  background-color: rgba(37, 99, 235, 0.05);
  border: 1px dashed rgba(37, 99, 235, 0.2);
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* Quick Booking Form */
.booking-section {
  padding: 60px 0 100px 0;
  background-color: var(--bg-primary);
}

.booking-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 60px;
  box-shadow: var(--shadow-sm);
}

.booking-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px auto;
}

.booking-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.booking-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.booking-form {
  max-width: 800px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 30px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.form-input, .form-textarea {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-blue);
}

.form-textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  justify-content: center;
}

.btn-submit-booking {
  padding: 16px 40px;
  font-size: 1rem;
}

.btn-submit-booking i {
  transition: transform var(--transition-fast);
}

.btn-submit-booking:hover i {
  transform: translateX(4px);
}

.booking-contact-note {
  margin: 12px auto 0;
  max-width: 720px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.55;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.booking-contact-note img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  margin: 0 1px;
  flex-shrink: 0;
}

.booking-request-panel {
  max-width: 800px;
  margin: 26px auto 0;
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
}

.booking-request-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.booking-request-eyebrow {
  display: block;
  color: var(--accent-blue);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.booking-request-head h4 {
  margin: 0;
  font-size: 1rem;
  color: var(--text-primary);
}

.booking-request-output {
  width: 100%;
  min-height: 210px;
  resize: vertical;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.55;
  font-size: 0.9rem;
}

.booking-social-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.booking-social-btn {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 9px 14px 9px 10px;
  background: var(--bg-primary);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 800;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.booking-social-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.booking-social-btn svg,
.booking-social-btn span,
.booking-social-btn img {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 900;
}

.booking-social-btn .social-fallback-text {
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.booking-social-btn img {
  object-fit: contain;
}

/* ================= PORTFOLIO PAGE STYLES ================= */
.portfolio-hero {
  padding: 80px 0 30px 0;
  background-color: var(--bg-primary);
  position: relative;
}

.portfolio-hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.portfolio-hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* Portfolio Filter Tabs */
.portfolio-filter-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 24px 40px 24px;
  background-color: var(--bg-primary);
}

.filter-btn {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-btn:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--gradient-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Portfolio Grid */
.portfolio-grid-section {
  padding: 0 0 80px 0;
  background-color: var(--bg-primary);
}

.portfolio-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* Project Card */
.project-card {
  display: none; /* Controlled by JS filters */
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
}

.project-card.active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(37, 99, 235, 0.15);
}

.project-card-image-box {
  height: 200px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.project-card-icon {
  width: 64px;
  height: 64px;
  opacity: 0.9;
  transition: transform var(--transition-normal);
}

.project-card:hover .project-card-icon {
  transform: scale(1.1) rotate(5deg);
}

.project-category-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.project-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
  flex-grow: 1;
}

.btn-view-project {
  font-size: 0.8rem;
  padding: 10px 20px;
  align-self: flex-start;
}

.btn-view-project i {
  transition: transform var(--transition-fast);
}

.btn-view-project:hover i {
  transform: translateX(3px);
}

/* Placeholder Cards */
.project-card.placeholder-card {
  border: 2px dashed var(--border-color);
  background-color: var(--bg-secondary);
  box-shadow: none;
  pointer-events: none;
}

.placeholder-icon-box {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-bottom: 1px dashed var(--border-color);
}

.placeholder-icon {
  width: 48px;
  height: 48px;
}

.placeholder-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  position: relative;
}

.placeholder-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 24px;
  margin-bottom: 8px;
}

.placeholder-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.portfolio-folder-system {
  display: grid;
  gap: 28px;
}

.portfolio-root-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.portfolio-root-card,
.portfolio-sub-card,
.portfolio-file-card {
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.portfolio-root-card {
  min-height: 300px;
  border-radius: 8px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
}

.portfolio-root-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.08), rgba(15, 23, 42, 0.82));
  opacity: 1;
  transition: opacity var(--transition-fast);
  z-index: 1;
}

.portfolio-root-card.active,
.portfolio-root-card:hover,
.portfolio-sub-card.active,
.portfolio-sub-card:hover,
.portfolio-file-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-md);
}

.portfolio-root-card.active::before,
.portfolio-root-card:hover::before {
  opacity: 1;
}

.portfolio-root-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--accent-blue);
}

.portfolio-root-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-root-media svg {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--accent-blue);
  z-index: 2;
}

.portfolio-root-title {
  position: relative;
  z-index: 2;
  font-size: 1.15rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: #ffffff;
}

.portfolio-root-desc {
  position: relative;
  z-index: 2;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.86rem;
  line-height: 1.55;
}

.portfolio-subfolder-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 16px;
}

.portfolio-folder-page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 4px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-color);
}

.portfolio-folder-page-head span {
  display: block;
  color: var(--accent-blue);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.portfolio-folder-page-head h2 {
  margin: 0;
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-primary);
  text-transform: uppercase;
}

.portfolio-folder-page-head p {
  margin: 8px 0 0;
  max-width: 580px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.portfolio-back-btn {
  order: -1;
  min-width: max-content;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 12px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.portfolio-back-btn:hover {
  color: var(--accent-blue);
  border-color: var(--accent-blue);
  transform: translateX(-2px);
}

.portfolio-back-btn svg {
  width: 18px;
  height: 18px;
}

.portfolio-subfolder-row.is-page {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.portfolio-sub-card {
  min-height: 230px;
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  overflow: hidden;
}

.portfolio-sub-card span {
  color: var(--accent-blue);
  font-size: 0.75rem;
  font-weight: 900;
  margin-bottom: auto;
}

.portfolio-sub-card .portfolio-sub-thumb {
  width: calc(100% + 32px);
  height: 118px;
  margin: -16px -16px 14px;
  display: block;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  margin-bottom: 14px;
}

.portfolio-sub-card .portfolio-sub-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal);
}

.portfolio-sub-card:hover .portfolio-sub-thumb img {
  transform: scale(1.05);
}

.portfolio-sub-card strong {
  font-size: 0.98rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.portfolio-sub-card small {
  color: var(--text-secondary);
  font-size: 0.78rem;
  line-height: 1.45;
}

.portfolio-file-panel {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 22px;
  background: var(--bg-secondary);
}

.portfolio-file-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 18px;
}

.portfolio-file-head span {
  color: var(--accent-blue);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.portfolio-file-head h3 {
  margin: 4px 0 0;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-primary);
}

.portfolio-file-head p {
  max-width: 420px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.portfolio-file-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.portfolio-file-card {
  min-height: 120px;
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--bg-primary);
}

.portfolio-file-type {
  align-self: flex-start;
  color: #ffffff;
  background: var(--gradient-primary);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: auto;
}

.portfolio-file-card strong {
  font-size: 0.96rem;
  font-weight: 900;
}

.portfolio-file-card small {
  color: var(--text-secondary);
  margin-top: 6px;
  font-size: 0.78rem;
}

.placeholder-status {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  align-self: flex-start;
}

/* Portfolio Viewer Section */
.portfolio-viewer-section {
  padding: 60px 0 80px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  scroll-margin-top: 80px;
}

.viewer-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.viewer-section-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
}

.btn-close-viewer {
  font-size: 0.8rem;
  padding: 8px 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-close-viewer:hover {
  background-color: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
}

.portfolio-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: 16px 24px;
  box-shadow: var(--shadow-sm);
}

.toolbar-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.pdf-icon-accent {
  width: 32px;
  height: 32px;
  color: #ef4444; /* PDF Red */
  flex-shrink: 0;
}

.file-meta {
  display: flex;
  flex-direction: column;
}

.file-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.file-size {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.toolbar-actions {
  display: flex;
  gap: 12px;
}

.btn-icon-only {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pdf-viewer-wrapper {
  position: relative;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  min-height: 400px;
  background-color: var(--bg-primary);
  overflow: visible;
}

.pdf-pages-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 24px;
  background-color: var(--bg-secondary);
}

.pdf-page-canvas {
  max-width: 100%;
  height: auto;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.pdf-page-canvas.loaded {
  opacity: 1;
  transform: translateY(0);
}

.pdf-page-canvas:last-child {
  margin-bottom: 0;
}

/* Spinner and loading screen */
.pdf-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.pdf-loading-overlay.fade-out {
  opacity: 0;
  visibility: hidden;
}

.spinner-container {
  width: 50px;
  height: 50px;
  position: relative;
  margin-bottom: 20px;
}

.double-bounce1, .double-bounce2 {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--accent-blue);
  opacity: 0.6;
  position: absolute;
  top: 0;
  left: 0;
  animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
  animation-delay: -1.0s;
  background-color: var(--accent-purple);
}

@keyframes sk-bounce {
  0%, 100% { 
    transform: scale(0.0);
    -webkit-transform: scale(0.0);
  } 50% { 
    transform: scale(1.0);
    -webkit-transform: scale(1.0);
  }
}

.loading-text {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.loading-subtext {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Portfolio Mobile Card Fallback */
.portfolio-mobile-card {
  display: none;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.mobile-card-header {
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pdf-icon-box-large {
  width: 80px;
  height: 80px;
  background-color: #fef2f2;
  color: #ef4444;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(239, 68, 68, 0.1);
}

.pdf-icon-box-large i {
  width: 40px;
  height: 40px;
}

.mobile-pdf-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--text-primary);
}

.mobile-pdf-subtitle {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--text-secondary);
}

.mobile-card-details {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 30px;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.875rem;
}

.detail-item:last-child {
  margin-bottom: 0;
}

.detail-label {
  color: var(--text-secondary);
}

.detail-val {
  font-weight: 700;
  color: var(--text-primary);
}

.mobile-action-btn {
  margin-bottom: 12px;
  font-size: 0.9rem;
  padding: 14px;
}

.mobile-action-btn:last-child {
  margin-bottom: 0;
}

/* CTA Portfolio */
.portfolio-cta-section {
  padding: 100px 0;
  background-color: var(--bg-primary);
}

.portfolio-cta-box {
  position: relative;
  background: var(--text-primary);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-premium);
}

.cta-bg-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.cta-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* RESPONSIVE ADDITIONS FOR PRICING */
@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .calculator-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .pricing-hero-title {
    font-size: 2.2rem;
  }
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
    padding: 0;
  }
  .corporate-video-block {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 24px;
    margin: 0;
  }
  .calculator-container {
    padding: 24px;
    margin: 0;
  }
  .calc-type-selector {
    flex-direction: column;
    gap: 8px;
  }
  .booking-container {
    padding: 30px 20px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .portfolio-hero-title {
    font-size: 2.2rem;
  }
  .portfolio-toolbar, .pdf-viewer-wrapper {
    display: none;
  }
  .portfolio-mobile-card {
    display: block;
  }
}


/* ================= CHROME EXTENSION PAGE STYLES ================= */
.extension-hero {
  padding: 80px 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.extension-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.ext-hero-content {
  display: flex;
  flex-direction: column;
}

.ext-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1.5px;
}

.ext-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 40px;
}

.ext-download-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-self: flex-start;
}

.btn-download-ext {
  padding: 16px 36px;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.2);
}

.btn-download-ext:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.3);
}

.ext-note-nonprofit {
  font-size: 0.825rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 4px;
  padding-left: 4px;
}

.ext-hero-simulator {
  display: flex;
  justify-content: center;
  width: 100%;
}

/* Simulator Mockup Frame */
.extension-mockup-frame {
  background: var(--bg-primary);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  width: 100%;
  max-width: 370px;
  height: 600px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

.chrome-header-bar {
  background: #f1f5f9;
  border-bottom: 1px solid var(--border-color);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.72rem;
  color: var(--text-secondary);
  user-select: none;
}

.chrome-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.chrome-address-bar {
  flex: 1;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2px 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--text-muted);
}

.lock-icon {
  width: 10px;
  height: 10px;
  color: #10b981;
}

/* Extension UI Container */
.ext-container {
  display: flex;
  flex-direction: column;
  height: calc(100% - 31px);
  background-color: #f4f7fa;
}

.ext-header {
  background-color: #ffffff;
  padding: 16px 20px 10px 20px;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ext-header-badge {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--text-secondary);
  letter-spacing: 2px;
}

.ext-header-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.ext-tab-bar {
  display: flex;
  background-color: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  padding: 8px 12px;
  gap: 6px;
  align-items: center;
  user-select: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.ext-tab-bar::-webkit-scrollbar {
  display: none;
}

.ext-tab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  background: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.ext-tab-btn:hover {
  background-color: #e2e8f0;
  color: var(--text-primary);
}

.ext-tab-btn.active {
  background-color: #ffffff;
  color: var(--accent-blue);
  box-shadow: 0 2px 5px rgba(0,0,0,0.03);
  border-color: #cbd5e1;
}

.chatbot-special-btn {
  margin-left: auto;
  background-color: #2563eb;
  color: #ffffff;
  border-radius: 20px;
  padding: 5px 12px;
}

.chatbot-special-btn:hover {
  background-color: #1d4ed8;
  color: #ffffff;
}

.chatbot-special-btn.active {
  background-color: #1d4ed8;
  color: #ffffff;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);
  border-color: transparent;
}

.tab-icon {
  width: 14px;
  height: 14px;
}

.tab-icon-mini {
  width: 12px;
  height: 12px;
}

.tab-text {
  font-size: 0.72rem;
}

.tab-text-mini {
  font-size: 0.65rem;
}

.ext-content-viewport {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.ext-tab-panel {
  display: none;
  flex-direction: column;
  height: 100%;
}

.ext-tab-panel.active {
  display: flex;
}

/* Panel: Tiện ích (Home list) */
.ext-features-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ext-feature-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #ffffff;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.01);
  transition: all 0.2s ease;
}

.ext-feature-row.click-trigger {
  cursor: pointer;
}

.ext-feature-row.click-trigger:hover {
  border-color: var(--accent-blue);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.05);
}

.feat-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.feat-icon-box {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  background-color: rgba(37, 99, 235, 0.08);
  flex-shrink: 0;
}

.feat-icon {
  width: 15px;
  height: 15px;
}

.feat-title {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.arrow-icon {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

/* Switch UI */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: .3s;
  border-radius: 34px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: #2563eb;
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(16px);
}

/* Panel Header Section */
.panel-section-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 1px;
  margin-bottom: 12px;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 6px;
}

/* Panel: Ghi chú nhanh */
.ext-notes-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 10px;
}

.search-note-box {
  display: flex;
}

.search-note-input {
  width: 100%;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  font-size: 0.72rem;
  background-color: #ffffff;
  outline: none;
}

.search-note-input:focus {
  border-color: var(--accent-blue);
}

.notes-list-area {
  flex: 1;
  background-color: #ffffff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  padding: 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  min-height: 130px;
  max-height: 170px;
}

.no-notes-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  margin: auto;
}

.notes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  margin: 0;
}

.note-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background-color: #f8fafc;
  border-radius: 6px;
  border: 1px solid #f1f5f9;
  font-size: 0.72rem;
  color: var(--text-primary);
}

.btn-delete-single-note {
  color: #ef4444;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.72rem;
  padding: 0 4px;
}

.note-input-group {
  display: flex;
}

.note-textarea {
  width: 100%;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  font-size: 0.75rem;
  resize: none;
  outline: none;
  font-family: inherit;
}

.note-textarea:focus {
  border-color: var(--accent-blue);
}

.notes-actions-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.btn-clear-notes {
  font-size: 0.72rem;
  font-weight: 700;
  color: #ef4444;
  border: 1px solid #fca5a5;
  background: none;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
}

.btn-clear-notes:hover {
  background-color: #fef2f2;
}

.btn-save-note {
  font-size: 0.72rem;
  font-weight: 700;
  color: #ffffff;
  background: var(--gradient-primary);
  border: none;
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
}

.btn-save-note:hover {
  opacity: 0.95;
}

/* Panel: Cài đặt */
.ext-settings-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  max-height: 380px;
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 12px;
}

.settings-group:last-child {
  border-bottom: none;
}

.settings-subtitle {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.api-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.api-badge {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 3px 6px;
  border-radius: 4px;
  color: #ffffff;
  flex-shrink: 0;
  width: 75px;
  text-align: center;
}

.badge-gemini { background-color: #1a73e8; }
.badge-openrouter { background-color: #7c3aed; }

.api-key-input {
  flex: 1;
  padding: 5px 8px;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  font-size: 0.7rem;
  background-color: #ffffff;
  font-family: monospace;
  outline: none;
}

.btn-api-delete {
  font-size: 0.7rem;
  color: #ef4444;
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  padding: 0 4px;
}

.btn-add-api {
  font-size: 0.7rem;
  font-weight: 700;
  width: 100%;
  border: 1px dashed #cbd5e1;
  padding: 6px;
  border-radius: 6px;
  color: var(--text-secondary);
  background-color: #ffffff;
  cursor: pointer;
  text-align: center;
}

.btn-add-api:hover {
  background-color: #f8fafc;
  border-style: solid;
}

.supabase-input-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.supa-label {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--text-muted);
}

.supa-input {
  padding: 5px 8px;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  font-size: 0.7rem;
  background-color: #ffffff;
  outline: none;
}

/* Panel: Chatbot */
.ext-chatbot-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.chatbot-dialog-area {
  flex: 1;
  background-color: #ffffff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  padding: 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 200px;
  max-height: 240px;
}

.chat-bubble {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 0.72rem;
  line-height: 1.4;
}

.chat-bubble.system-msg {
  background-color: #f1f5f9;
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.chat-bubble.user-msg {
  background-color: #2563eb;
  color: #ffffff;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.chat-input-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.chat-text-input {
  flex: 1;
  padding: 8px 12px;
  border-radius: 20px;
  border: 1px solid #e2e8f0;
  font-size: 0.75rem;
  background-color: #ffffff;
  outline: none;
}

.chat-text-input:focus {
  border-color: var(--accent-blue);
}

.btn-send-chat {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #2563eb;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.btn-send-chat:hover {
  background-color: #1d4ed8;
}

.btn-send-chat i {
  width: 13px;
  height: 13px;
}

/* Panel: Admin */
.ext-admin-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.admin-mock-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px 10px;
}

.admin-icon-large {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: rgba(37, 99, 235, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.admin-icon-large i {
  width: 24px;
  height: 24px;
}

.admin-title-text {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.admin-desc-text {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Mockup Footer */
.ext-mockup-footer {
  text-align: center;
  font-size: 0.65rem;
  color: var(--text-muted);
  padding: 8px 0;
  border-top: 1px solid #e2e8f0;
  background-color: #ffffff;
  margin-top: auto;
  user-select: none;
}

/* Details Section */
.extension-features-details {
  padding: 80px 0;
  background-color: var(--bg-secondary);
}

.ext-details-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.detail-feat-card {
  background: var(--bg-primary);
  padding: 30px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.detail-feat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.detail-feat-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: rgba(37, 99, 235, 0.06);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-feat-icon-box i {
  width: 22px;
  height: 22px;
}

.detail-feat-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

.detail-feat-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Diagram Section */
.system-diagram-section {
  padding: 0 0 80px 0;
  background-color: var(--bg-secondary);
}

.system-diagram-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 50px 30px;
  box-shadow: var(--shadow-sm);
}

.diagram-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.diagram-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.diagram-grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 20px;
}

.diagram-node {
  width: 240px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 24px 16px;
  border-radius: var(--radius-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.node-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-blue);
}

.node-icon-large {
  width: 36px;
  height: 36px;
  color: var(--accent-blue);
}

.diagram-node.node-center {
  border-color: var(--accent-blue);
  background-color: rgba(37, 99, 235, 0.02);
}

.diagram-node h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-primary);
}

.diagram-node p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* RESPONSIVE DESIGN (MEDIA QUERIES) */

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-media {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
  .footer-contact-col {
    grid-column: span 4;
    max-width: 450px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.4rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 40px 24px;
    z-index: 999;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-list {
    flex-direction: column;
    gap: 24px;
    width: 100%;
  }
  
  .nav-link {
    font-size: 1.2rem;
    display: block;
    width: 100%;
  }
  
  .header-actions {
    gap: 16px;
  }
  
  .btn-admin {
    display: none;
  }
  
  .nav-menu::after {
    content: 'ADMIN';
    display: block;
    margin-top: auto;
    font-weight: 700;
    font-size: 1rem;
    padding: 12px 28px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    text-align: center;
    width: 100%;
    cursor: pointer;
  }
  
  .stats-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .partners-logos {
    justify-content: center;
    gap: 30px;
  }
}

@media (max-width: 580px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-contact-col {
    grid-column: span 1;
  }
}

/* ================= UI FIT & MODERN RESPONSIVE REFINEMENT ================= */
:root {
  --container-max: 1120px;
  --section-space: clamp(64px, 7vw, 96px);
}

html {
  font-size: clamp(14px, 0.9vw, 16px);
}

body {
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.06), transparent 28rem),
    radial-gradient(circle at bottom left, rgba(124, 58, 237, 0.05), transparent 26rem),
    var(--bg-primary);
}

.container {
  max-width: var(--container-max);
  padding-inline: clamp(16px, 3vw, 28px);
}

.header-container {
  max-width: calc(var(--container-max) + 80px);
  padding-inline: clamp(14px, 3vw, 28px);
}

.header-actions {
  gap: clamp(10px, 1.6vw, 18px);
}

.nav-list {
  gap: clamp(18px, 2.2vw, 28px);
}

.btn {
  min-height: 42px;
  padding: 11px 22px;
}

.btn.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn.btn-secondary:hover {
  background-color: var(--text-primary);
  color: #ffffff;
  border-color: var(--text-primary);
}

.section-title,
.pricing-hero-title,
.portfolio-hero-title,
.ext-title {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

.section-subtitle,
.pricing-hero-subtitle,
.portfolio-hero-subtitle,
.ext-subtitle {
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
}

.hero-section {
  min-height: calc(100svh - var(--header-height));
  padding: clamp(54px, 8vh, 90px) 0;
}

.hero-title {
  font-size: clamp(2.35rem, 5.5vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.hero-content {
  max-width: 900px;
}

.hero-description {
  font-size: clamp(1rem, 1.6vw, 1.14rem);
  max-width: 720px;
  margin-bottom: 32px;
}

.gradient-sphere {
  filter: blur(80px);
}

.about-section,
.services-section,
.extension-features-details {
  padding: var(--section-space) 0;
}

.about-grid {
  gap: clamp(40px, 6vw, 68px);
  margin-bottom: clamp(48px, 6vw, 70px);
}

.media-container {
  aspect-ratio: 4 / 3;
}

.stats-container {
  padding-top: clamp(36px, 5vw, 52px);
}

.stat-number {
  font-size: clamp(2.1rem, 4.4vw, 2.75rem);
}

.services-header,
.partners-block {
  margin-bottom: clamp(42px, 5vw, 64px);
}

.services-grid,
.testimonials-grid,
.ext-details-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.services-grid {
  margin-bottom: clamp(52px, 6vw, 70px);
}

.service-card,
.testimonial-card,
.detail-feat-card,
.price-card,
.project-card {
  border-radius: 14px;
}

.service-card {
  padding: 28px 22px;
}

.ticker-wrapper {
  padding: 14px 0;
}

.ticker-item {
  padding-inline: 28px;
}

.pricing-hero,
.portfolio-hero,
.extension-hero {
  padding: clamp(48px, 7vw, 72px) 0 clamp(28px, 4vw, 42px);
}

.pricing-content-section,
.portfolio-grid-section {
  padding-bottom: var(--section-space);
}

.pricing-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(18px, 2.6vw, 28px);
  padding: 0;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.price-card {
  padding: clamp(26px, 3vw, 34px);
}

.price-card.featured,
.price-card.featured:hover {
  transform: none;
}

.card-price {
  font-size: clamp(1.75rem, 3vw, 2.1rem);
}

.calculator-section {
  padding: 0 0 var(--section-space);
}

.calculator-container,
.booking-container,
.corporate-video-block,
.system-diagram-box {
  margin-inline: 0;
  padding: clamp(24px, 4vw, 42px);
  border-radius: 18px;
}

.calc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 42px);
  align-items: end;
}

.calc-range-slider {
  width: 100%;
  accent-color: var(--accent-blue);
}

.calc-range-values {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.calc-result-box {
  margin-top: 28px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
}

.calc-result-label {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.calc-result-price {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--accent-blue);
  line-height: 1.1;
  margin: 10px 0;
}

.calc-result-note {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.portfolio-filter-container {
  padding-bottom: 30px;
}

.portfolio-showcase-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(18px, 2.5vw, 28px);
}

.project-card-image-box,
.placeholder-icon-box {
  height: clamp(150px, 22vw, 190px);
}

.portfolio-cta-section {
  padding: var(--section-space) 0;
}

.portfolio-cta-box {
  padding: clamp(44px, 7vw, 68px) clamp(22px, 5vw, 40px);
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.2rem);
}

.extension-hero-grid {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr);
  gap: clamp(36px, 5vw, 58px);
}

.extension-mockup-frame {
  max-width: 350px;
  height: min(590px, calc(100svh - 150px));
  min-height: 500px;
}

.ext-details-grid {
  gap: clamp(18px, 2.6vw, 28px);
}

.diagram-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.diagram-node {
  width: 100%;
}

.footer {
  padding-top: clamp(54px, 6vw, 72px);
}

.footer-grid {
  grid-template-columns: 1.5fr repeat(3, minmax(120px, 0.8fr));
  gap: clamp(24px, 4vw, 42px);
}

@media (max-width: 1180px) {
  .nav-link {
    font-size: 0.86rem;
  }

  .btn-admin {
    padding-inline: 14px;
  }
}

@media (max-width: 980px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100svh - var(--header-height));
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 40px 24px;
    z-index: 999;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: none;
  }

  .nav-menu.active {
    display: flex;
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 24px;
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    font-size: 1.1rem;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-section {
    min-height: auto;
  }

  .about-grid,
  .extension-hero-grid {
    grid-template-columns: 1fr;
  }

  .ext-hero-content,
  .ext-download-box {
    align-items: center;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand-col {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .header.scrolled {
    height: var(--header-height);
  }

  .logo-subtext {
    letter-spacing: 2.5px;
  }

  .theme-toggle,
  .mobile-menu-toggle {
    width: 36px;
    height: 36px;
  }

  .lang-switch {
    font-size: 0.78rem;
  }

  .hero-title br,
  .ext-title br {
    display: none;
  }

  .about-section,
  .services-section,
  .extension-features-details,
  .portfolio-cta-section {
    padding: 56px 0;
  }

  .portfolio-root-grid,
  .portfolio-subfolder-row,
  .portfolio-file-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-folder-page-head {
    display: block;
  }

  .portfolio-folder-page-head h2 {
    font-size: 1.45rem;
  }

  .portfolio-back-btn {
    margin-bottom: 18px;
  }

  .portfolio-subfolder-row.is-page {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-root-card {
    min-height: 210px;
    padding: 14px;
  }

  .portfolio-sub-card {
    min-height: 145px;
    padding: 14px;
  }

  .portfolio-root-title {
    font-size: 0.92rem;
  }

  .portfolio-root-desc,
  .portfolio-sub-card small,
  .portfolio-file-card small {
    font-size: 0.72rem;
  }

  .portfolio-file-panel {
    padding: 16px;
  }

  .portfolio-file-head {
    display: block;
  }

  .portfolio-file-head p {
    margin-top: 8px;
  }

  .portfolio-popup-frame {
    width: 100%;
    height: 68vh;
  }

  .media-container {
    aspect-ratio: 16 / 11;
  }

  .stats-container {
    margin-top: 24px;
  }

  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .stat-card {
    padding: 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
  }

  .partners-block {
    padding: 32px 0;
  }

  .pricing-switch-container {
    width: min(100%, 320px);
  }

  .calc-grid,
  .form-grid,
  .diagram-grid {
    grid-template-columns: 1fr;
  }

  .corporate-video-block {
    gap: 24px;
  }

  .video-container,
  .video-container iframe {
    width: 100%;
  }

  .viewer-section-header,
  .portfolio-toolbar {
    gap: 16px;
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .extension-mockup-frame {
    max-width: 360px;
    height: 560px;
  }

  .ext-tab-bar {
    overflow-x: auto;
  }
}

@media (max-width: 580px) {
  .header-actions {
    gap: 8px;
  }

  .lang-switch {
    display: none;
  }

  .hero-section {
    padding-top: 42px;
    padding-bottom: 50px;
  }

  .hero-actions,
  .btn-cta,
  .btn-download-ext,
  .btn-submit-booking {
    width: 100%;
  }

  .stats-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand-col,
  .footer-contact-col {
    grid-column: auto;
  }

  .services-grid,
  .testimonials-grid,
  .portfolio-showcase-grid,
  .ext-details-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .filter-btn {
    flex: 1 1 auto;
    min-width: 138px;
    padding-inline: 14px;
  }

  .detail-item {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .extension-mockup-frame {
    width: 100%;
    min-height: 520px;
    height: 540px;
  }

  .chrome-address-bar {
    font-size: 0.62rem;
  }

  .ext-tab-btn {
    padding-inline: 10px;
  }
}

/* ================= FLOATING AI CHAT WIDGET ================= */
.floating-chat-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999999;
  font-family: 'Montserrat', sans-serif;
}

.chat-widget-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  border: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.chat-widget-btn:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.6);
}

.chat-widget-btn i {
  width: 28px;
  height: 28px;
}

.chat-pulse {
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 14px;
  background-color: #10b981;
  border: 2px solid #ffffff;
  border-radius: 50%;
  animation: widgetPulse 2s infinite;
}

@keyframes widgetPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.chat-widget-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 360px;
  height: 500px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.8) translateY(20px);
  opacity: 0;
  visibility: hidden;
  transform-origin: bottom right;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-widget-window.active {
  transform: scale(1) translateY(0);
  opacity: 1;
  visibility: visible;
}

.chat-widget-header {
  padding: 16px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-widget-bot-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-widget-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.chat-widget-avatar i {
  width: 22px;
  height: 22px;
  color: #3b82f6;
}

.chat-online-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background-color: #10b981;
  border: 1.5px solid #1e293b;
  border-radius: 50%;
}

.chat-widget-bot-info h4 {
  font-size: 13.5px;
  font-weight: 700;
  margin: 0;
  color: #ffffff;
}

.chat-widget-bot-info p {
  font-size: 10.5px;
  color: #94a3b8;
  margin: 0;
}

.chat-widget-close {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}

.chat-widget-close:hover {
  color: #ffffff;
}

.chat-widget-body {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: #f8fafc;
}

.chat-widget-body .chat-bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 12px;
  line-height: 1.5;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.chat-widget-body .chat-bubble.bot {
  background-color: #ffffff;
  color: #1e293b;
  align-self: flex-start;
  border-bottom-left-radius: 2px;
  border: 1px solid #e2e8f0;
}

.chat-widget-body .chat-bubble.user {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: #ffffff;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.chat-widget-body .chat-time {
  display: block;
  font-size: 9px;
  color: #94a3b8;
  margin-top: 4px;
  text-align: right;
}

.chat-widget-body .chat-bubble.user .chat-time {
  color: rgba(255, 255, 255, 0.7);
}

.chat-widget-input-bar {
  padding: 12px 16px;
  background-color: #ffffff;
  border-top: 1px solid #e2e8f0;
  display: flex;
  gap: 8px;
  align-items: center;
}

.chat-widget-input-bar input {
  flex: 1;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s;
}

.chat-widget-input-bar input:focus {
  border-color: #3b82f6;
}

.chat-widget-input-bar button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #3b82f6;
  border: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s;
}

.chat-widget-input-bar button:hover {
  background-color: #1d4ed8;
}

/* Typing Indicator */
.chat-widget-typing {
  align-self: flex-start;
  background-color: #e2e8f0;
  padding: 10px 14px;
  border-radius: 12px;
  border-bottom-left-radius: 2px;
  display: flex;
  gap: 4px;
  align-items: center;
  width: fit-content;
}

.chat-widget-typing .dot {
  width: 6px;
  height: 6px;
  background-color: #64748b;
  border-radius: 50%;
  animation: widgetBounce 1.4s infinite ease-in-out both;
}

.chat-widget-typing .dot:nth-child(1) { animation-delay: -0.32s; }
.chat-widget-typing .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes widgetBounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1.0); }
}

/* ================= PORTFOLIO IMAGE POPUP MODAL ================= */
.portfolio-popup-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popup-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  cursor: pointer;
}

.popup-modal-content {
  position: relative;
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  background: #ffffff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  animation: modalFadeIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 1000001;
}

@keyframes modalFadeIn {
  from {
    transform: scale(0.9) translateY(20px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.popup-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(15, 23, 42, 0.6);
  border: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s;
  z-index: 10;
}

.popup-modal-close:hover {
  background-color: rgba(15, 23, 42, 0.9);
  transform: scale(1.1);
}

.popup-modal-close i {
  width: 18px;
  height: 18px;
}

.popup-modal-body {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.popup-modal-body img {
  width: 100%;
  height: auto;
  max-height: 65vh;
  object-fit: contain;
  background-color: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
}

.portfolio-popup-stage {
  min-height: 360px;
  background: #eef2f7;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  position: relative;
}

.portfolio-popup-stage.pdf {
  min-height: 70vh;
}

.portfolio-popup-image,
.portfolio-popup-video {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 8px;
  background: #ffffff;
}

.portfolio-popup-frame {
  width: min(100%, 620px);
  height: 70vh;
  border: 0;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.22);
}

.portfolio-popup-path {
  display: block;
  color: #2563eb;
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.portfolio-popup-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.portfolio-popup-title-row h3 {
  margin-bottom: 8px;
}

.portfolio-popup-title-row span {
  color: #2563eb;
  background: #eff6ff;
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.82rem;
  font-weight: 900;
  white-space: nowrap;
}

.portfolio-gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.9);
  color: #0f172a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18);
}

.portfolio-gallery-nav.prev {
  left: 18px;
}

.portfolio-gallery-nav.next {
  right: 18px;
}

.portfolio-gallery-nav svg {
  width: 24px;
  height: 24px;
}

.portfolio-drive-link {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.popup-modal-info {
  padding: 24px;
  background-color: #ffffff;
}

.popup-modal-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  margin-top: 0;
  margin-bottom: 8px;
}

.popup-modal-info p {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.6;
  margin: 0;
}

/* Dark mode support */
.dark-theme .popup-modal-content {
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.dark-theme .popup-modal-body img {
  background-color: #0f172a;
  border-bottom: 1px solid #334155;
}

.dark-theme .popup-modal-info {
  background-color: #1e293b;
}

.dark-theme .popup-modal-info h3 {
  color: #ffffff;
}

.dark-theme .popup-modal-info p {
  color: #94a3b8;
}
/* Agency announcements */
.agency-news-hero {
  padding: 110px 0 42px;
  background: var(--bg-primary);
}

.agency-news-title {
  margin: 14px 0 10px;
  color: var(--text-primary);
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: 0;
}

.agency-news-subtitle {
  max-width: 760px;
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.7;
}

.agency-news-section {
  padding: 34px 0 96px;
}

.agency-news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.agency-news-card {
  min-height: 180px;
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-primary);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.agency-news-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-lg);
}

.agency-news-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.agency-news-card h3 {
  margin: 0 0 10px;
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.35;
}

.agency-news-card p {
  display: -webkit-box;
  margin: 0;
  color: var(--text-secondary);
  font-size: 13.5px;
  line-height: 1.6;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.agency-news-file {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  color: var(--accent-blue);
  font-size: 12px;
  font-weight: 800;
}

.agency-news-file svg {
  width: 14px;
  height: 14px;
}

.agency-news-empty {
  grid-column: 1 / -1;
  padding: 34px;
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  text-align: center;
  font-weight: 700;
}

.agency-news-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.agency-news-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.58);
}

.agency-news-modal-card {
  position: relative;
  width: min(680px, 100%);
  max-height: min(760px, 90vh);
  overflow: auto;
  padding: 30px;
  border-radius: 10px;
  background: var(--bg-primary);
  box-shadow: 0 28px 90px rgba(15, 23, 42, 0.32);
}

.agency-news-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
}

.agency-news-modal-close svg {
  width: 16px;
  height: 16px;
}

.agency-news-modal-type {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent-blue);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.agency-news-modal-card h3 {
  margin: 0 44px 8px 0;
  color: var(--text-primary);
  font-size: 26px;
  font-weight: 900;
  line-height: 1.3;
}

.agency-news-modal-date {
  margin: 0 0 18px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 800;
}

.agency-news-modal-body {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}

.agency-news-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding: 11px 16px;
  border-radius: 8px;
  background: var(--accent-blue);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.agency-news-download svg {
  width: 16px;
  height: 16px;
}