/* ================================================================
   ASHIM KUMAR GHOSH — DESIGN SYSTEM
   Academic · Institutional · Refined
   ================================================================ */

/* ----- Google Fonts ----- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500&family=Inter:wght@300;400;500;600;700&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css');

/* ----- CSS Custom Properties ----- */
:root {
  /* Colors */
  --ivory: #F8F6F0;
  --ivory-warm: #F5F0E8;
  --cream: #EDE8DC;
  --parchment: #E8E0D0;
  --navy: #0A1628;
  --navy-deep: #060F1F;
  --navy-mid: #152238;
  --navy-light: #1E3050;
  --saffron: #C4922A;
  --saffron-light: #D4A94A;
  --saffron-muted: #B8934E;
  --gold: #C5A55A;
  --gold-light: #D4BC78;
  --burgundy: #6B2D3E;
  --slate: #4A5568;
  --slate-light: #718096;
  --warm-gray: #9A8E82;
  --charcoal: #2D3748;
  --shadow-soft: rgba(10, 22, 40, 0.06);
  --shadow-medium: rgba(10, 22, 40, 0.12);
  --shadow-strong: rgba(10, 22, 40, 0.2);
  --glass-bg: rgba(248, 246, 240, 0.7);
  --glass-border: rgba(196, 146, 42, 0.15);
  --glass-dark: rgba(10, 22, 40, 0.85);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-accent: 'Cormorant Garamond', Georgia, serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 30px;

  /* Transitions */
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-normal: 0.4s var(--ease-smooth);
  --transition-slow: 0.6s var(--ease-out);

  /* Layout */
  --max-width: 1320px;
  --max-width-narrow: 900px;
  --header-height: 80px;
}

/* ----- Reset & Base ----- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--ivory);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--navy);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p {
  font-size: 1.05rem;
  color: var(--slate);
  margin-bottom: var(--space-md);
}

.accent-text {
  font-family: var(--font-accent);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--saffron);
  letter-spacing: 0.02em;
}

.label-text {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--saffron);
}

.section-overline {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--saffron);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-overline::before {
  content: '';
  width: 40px;
  height: 2px;
  background: var(--saffron);
  display: inline-block;
}

/* ----- Layout Utilities ----- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-5xl) 0;
}

.section--navy {
  background: var(--navy);
  color: var(--ivory);
}

.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4 {
  color: var(--ivory);
}

.section--navy p {
  color: rgba(248, 246, 240, 0.75);
}

.section--cream {
  background: var(--cream);
}

.section--parchment {
  background: var(--parchment);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-asymmetric {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-3xl);
  align-items: center;
}

.grid-asymmetric-reverse {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-3xl);
  align-items: center;
}

/* ----- Glass Card ----- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: 0 8px 32px var(--shadow-soft);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px var(--shadow-medium);
}

.glass-card--dark {
  background: var(--glass-dark);
  border-color: rgba(196, 146, 42, 0.2);
}

.glass-card--dark h3, .glass-card--dark h4 {
  color: var(--ivory);
}

.glass-card--dark p {
  color: rgba(248, 246, 240, 0.7);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--saffron), var(--gold));
  color: var(--navy);
  box-shadow: 0 4px 16px rgba(196, 146, 42, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(196, 146, 42, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}

.btn-secondary:hover {
  background: var(--navy);
  color: var(--ivory);
}

.btn-light {
  background: transparent;
  color: var(--ivory);
  border: 2px solid rgba(248, 246, 240, 0.4);
}

.btn-light:hover {
  background: var(--ivory);
  color: var(--navy);
}

.btn-arrow::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ----- Header / Navigation ----- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-normal);
  background: rgba(248, 246, 240, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(10, 22, 40, 0.06);
}

.site-header.scrolled {
  box-shadow: 0 4px 24px var(--shadow-soft);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  flex-direction: column;
}

.site-logo-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.site-logo-title {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--saffron);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--charcoal);
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--saffron);
  transition: width var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--navy);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1100;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: all var(--transition-fast);
  display: block;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ----- Hero Section ----- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(90deg, var(--navy) 1px, transparent 1px),
    linear-gradient(180deg, var(--navy) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 20px;
  background: rgba(196, 146, 42, 0.1);
  border: 1px solid rgba(196, 146, 42, 0.25);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--saffron);
  margin-bottom: var(--space-xl);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--saffron);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-family: var(--font-accent);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  color: var(--slate-light);
  font-style: italic;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
}

.hero-meta {
  display: flex;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
}

.hero-meta-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--saffron);
}

.hero-meta-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-light);
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px var(--shadow-medium);
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.hero-image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 3px solid var(--saffron);
  border-radius: var(--radius-xl);
  opacity: 0.3;
}

/* ----- Page Hero (for inner pages) ----- */
.page-hero {
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
  background: var(--navy);
  color: var(--ivory);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(196, 146, 42, 0.08), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(196, 146, 42, 0.05), transparent 50%);
  pointer-events: none;
}

.page-hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(90deg, var(--ivory) 1px, transparent 1px),
    linear-gradient(180deg, var(--ivory) 1px, transparent 1px);
  background-size: 80px 80px;
}

.page-hero h1 {
  color: var(--ivory);
  margin-bottom: var(--space-lg);
  position: relative;
}

.page-hero .hero-subtitle {
  color: rgba(248, 246, 240, 0.65);
  position: relative;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: rgba(248, 246, 240, 0.5);
  margin-bottom: var(--space-xl);
  position: relative;
}

.breadcrumb a {
  color: rgba(248, 246, 240, 0.5);
}

.breadcrumb a:hover {
  color: var(--saffron-light);
}

.breadcrumb-sep {
  color: rgba(248, 246, 240, 0.3);
}

/* ----- Timeline ----- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--saffron), var(--gold-light), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--saffron);
  border: 3px solid var(--ivory);
  box-shadow: 0 0 0 3px var(--saffron);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--saffron);
  margin-bottom: var(--space-xs);
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--slate);
}

/* ----- Stat Blocks ----- */
.stat-block {
  text-align: center;
  padding: var(--space-2xl);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--saffron);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--slate-light);
}

/* ----- Quote Block ----- */
.quote-block {
  position: relative;
  padding: var(--space-2xl) var(--space-2xl) var(--space-2xl) var(--space-3xl);
  border-left: 4px solid var(--saffron);
  background: rgba(196, 146, 42, 0.04);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin: var(--space-2xl) 0;
}

.quote-block::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--saffron);
  opacity: 0.3;
  position: absolute;
  top: -10px;
  left: 12px;
  line-height: 1;
}

.quote-block p {
  font-family: var(--font-accent);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--navy);
  line-height: 1.6;
}

.quote-attribution {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-style: normal;
  color: var(--saffron);
  margin-top: var(--space-md);
  font-weight: 600;
}

/* Quote block inside navy sections */
.section--navy .quote-block p {
  color: var(--ivory);
}

.section--navy .quote-block {
  background: rgba(196, 146, 42, 0.08);
  border-left-color: var(--saffron-light);
}

.section--navy .quote-block::before {
  color: var(--saffron-light);
}

.glass-card--dark .quote-block p {
  color: var(--ivory);
}

/* ----- Feature Item ----- */
.feature-item {
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  background: var(--ivory);
  border: 1px solid rgba(10, 22, 40, 0.06);
  transition: all var(--transition-normal);
}

.feature-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px var(--shadow-soft);
  border-color: var(--glass-border);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(196, 146, 42, 0.1), rgba(196, 146, 42, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.feature-item h4 {
  margin-bottom: var(--space-sm);
}

.feature-item p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ----- Image Gallery ----- */
.image-mosaic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: var(--space-md);
}

.image-mosaic-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

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

.image-mosaic-item:hover img {
  transform: scale(1.05);
}

.image-mosaic-item--large {
  grid-column: span 2;
  grid-row: span 2;
}

/* ----- Footer ----- */
.site-footer {
  background: var(--navy-deep);
  color: var(--ivory);
  padding: var(--space-4xl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(248, 246, 240, 0.08);
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ivory);
  margin-bottom: var(--space-sm);
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: rgba(248, 246, 240, 0.5);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--saffron);
  margin-bottom: var(--space-lg);
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(248, 246, 240, 0.55);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--saffron-light);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  color: rgba(248, 246, 240, 0.55);
}

.footer-contact-icon {
  color: var(--saffron);
  font-size: 1rem;
  margin-top: 2px;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(248, 246, 240, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(248, 246, 240, 0.5);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--saffron);
  color: var(--navy);
}

/* Newsletter */
.newsletter-form {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.newsletter-input {
  flex: 1;
  padding: 10px 16px;
  background: rgba(248, 246, 240, 0.06);
  border: 1px solid rgba(248, 246, 240, 0.12);
  border-radius: var(--radius-sm);
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.newsletter-input::placeholder {
  color: rgba(248, 246, 240, 0.3);
}

.newsletter-input:focus {
  border-color: var(--saffron);
}

.newsletter-btn {
  padding: 10px 20px;
  background: var(--saffron);
  color: var(--navy);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.newsletter-btn:hover {
  background: var(--saffron-light);
}

/* Footer Bottom */
.footer-bottom {
  padding: var(--space-xl) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(248, 246, 240, 0.35);
}

.footer-credit a {
  color: var(--saffron-muted);
}

.footer-credit a:hover {
  color: var(--saffron-light);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--ivory);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 999;
  border: none;
  box-shadow: 0 4px 16px var(--shadow-medium);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--saffron);
  color: var(--navy);
}

/* ----- Animations ----- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ----- Decorative Elements ----- */
.deco-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--saffron), var(--gold-light));
  border-radius: 2px;
  margin: var(--space-lg) 0;
}

.deco-dot-grid {
  position: absolute;
  width: 100px;
  height: 100px;
  background-image: radial-gradient(circle, var(--saffron) 1.5px, transparent 1.5px);
  background-size: 12px 12px;
  opacity: 0.1;
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .grid-2, .grid-asymmetric, .grid-asymmetric-reverse {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }

  .section {
    padding: var(--space-4xl) 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--ivory);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    box-shadow: -8px 0 32px var(--shadow-medium);
    transition: right var(--transition-normal);
    gap: var(--space-md);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero-meta {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .image-mosaic {
    grid-template-columns: 1fr 1fr;
  }

  .image-mosaic-item--large {
    grid-column: span 2;
    grid-row: span 1;
  }
}

@media (max-width: 480px) {
  .hero-meta {
    flex-direction: column;
    gap: var(--space-md);
  }

  .newsletter-form {
    flex-direction: column;
  }

  .image-mosaic {
    grid-template-columns: 1fr;
  }

  .image-mosaic-item--large {
    grid-column: span 1;
  }
}

/* ----- Code Lock Page ----- */
.lock-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-deep);
  overflow: hidden;
  transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}

.lock-screen.unlocked {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lock-bg-canvas {
  position: absolute;
  inset: 0;
}

.lock-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(196, 146, 42, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(196, 146, 42, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: lock-grid-drift 30s linear infinite;
}

@keyframes lock-grid-drift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.lock-radial-1 {
  position: absolute;
  top: 20%;
  left: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(196, 146, 42, 0.08), transparent 70%);
  border-radius: 50%;
  animation: float-slow 12s ease-in-out infinite;
}

.lock-radial-2 {
  position: absolute;
  bottom: 10%;
  right: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(196, 146, 42, 0.06), transparent 70%);
  border-radius: 50%;
  animation: float-slow 15s ease-in-out infinite reverse;
}

@keyframes float-slow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.05); }
}

.lock-manuscript-lines {
  position: absolute;
  inset: 0;
  opacity: 0.02;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 28px,
    rgba(248, 246, 240, 0.5) 28px,
    rgba(248, 246, 240, 0.5) 29px
  );
}

.lock-panel {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 440px;
  padding: var(--space-3xl);
  background: rgba(10, 22, 40, 0.6);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(196, 146, 42, 0.15);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  text-align: center;
}

.lock-emblem {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--space-xl);
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(196, 146, 42, 0.2), rgba(196, 146, 42, 0.05));
  border: 2px solid rgba(196, 146, 42, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.lock-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ivory);
  margin-bottom: var(--space-xs);
}

.lock-subtitle {
  font-family: var(--font-accent);
  font-size: 1rem;
  font-style: italic;
  color: rgba(248, 246, 240, 0.45);
  margin-bottom: var(--space-2xl);
}

.lock-input-group {
  position: relative;
  margin-bottom: var(--space-lg);
}

.lock-input {
  width: 100%;
  padding: 16px 20px;
  padding-right: 50px;
  background: rgba(248, 246, 240, 0.06);
  border: 1px solid rgba(248, 246, 240, 0.1);
  border-radius: var(--radius-md);
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: 1rem;
  letter-spacing: 0.15em;
  text-align: center;
  outline: none;
  transition: all var(--transition-fast);
}

.lock-input::placeholder {
  color: rgba(248, 246, 240, 0.25);
  letter-spacing: 0.1em;
}

.lock-input:focus {
  border-color: var(--saffron);
  box-shadow: 0 0 0 3px rgba(196, 146, 42, 0.15);
}

.lock-input.error {
  border-color: #E53E3E;
  animation: shake 0.5s ease;
}

.lock-input.success {
  border-color: #48BB78;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

.lock-toggle-vis {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(248, 246, 240, 0.3);
  cursor: pointer;
  font-size: 1rem;
  transition: color var(--transition-fast);
}

.lock-toggle-vis:hover {
  color: var(--saffron);
}

.lock-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--saffron), var(--gold));
  color: var(--navy);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lock-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(196, 146, 42, 0.35);
}

.lock-submit:active {
  transform: translateY(0);
}

.lock-message {
  margin-top: var(--space-md);
  font-size: 0.85rem;
  font-weight: 500;
  min-height: 24px;
  transition: all var(--transition-fast);
}

.lock-message.error {
  color: #FC8181;
}

.lock-message.success {
  color: #68D391;
}

.lock-footer-text {
  margin-top: var(--space-xl);
  font-size: 0.7rem;
  color: rgba(248, 246, 240, 0.2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ----- Contact Form ----- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--navy);
}

.form-input,
.form-textarea {
  padding: 14px 18px;
  background: var(--ivory);
  border: 1px solid rgba(10, 22, 40, 0.1);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--charcoal);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--saffron);
  box-shadow: 0 0 0 3px rgba(196, 146, 42, 0.1);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ----- Separator ----- */
.section-separator {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--parchment),
    var(--saffron),
    var(--parchment),
    transparent
  );
  margin: 0;
  border: none;
}

/* ----- Content Prose ----- */
.prose h3 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.prose p {
  margin-bottom: var(--space-lg);
  line-height: 1.85;
}

.prose ul {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.prose ul li {
  font-size: 1.05rem;
  color: var(--slate);
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

/* Image in content */
.content-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 12px 40px var(--shadow-soft);
  margin: var(--space-2xl) 0;
}

.content-image img {
  width: 100%;
  object-fit: cover;
}

/* ----- Sticky sidebar pattern ----- */
.sticky-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
}