/* ============================================
   CIANRAS.COM - Modern Design System
   Dark + Glassmorphism Theme
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Colors - matching logo gradient */
  --color-cyan: #06b6d4;
  --color-cyan-light: #22d3ee;
  --color-violet: #8b5cf6;
  --color-purple: #a855f7;
  --color-magenta: #d946ef;
  --color-pink: #ec4899;

  /* Background layers */
  --bg-base: #030712;
  --bg-elevated: #0a0f1a;
  --bg-surface: #111827;
  --bg-card: rgba(17, 24, 39, 0.6);

  /* Text */
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  /* Glass effect */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 20px;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-violet) 50%, var(--color-magenta) 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 50%, rgba(217, 70, 239, 0.1) 100%);
  --gradient-text: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-magenta) 100%);

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

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Sizing */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Animation */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background gradient mesh */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 0%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(217, 70, 239, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Subtle noise texture */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.015;
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  max-width: 100%;
  height: auto;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
  letter-spacing: -0.02em;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition-base);
}

.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  opacity: 0;
  transition: var(--transition-base);
}

.nav.scrolled::before {
  opacity: 1;
}

.nav-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 1.25rem;
  z-index: 10;
}

.nav-brand .nav-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

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

.nav-link {
  position: relative;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

/* Mobile menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10;
}

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

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-height) + var(--space-lg)) var(--space-lg);
    background: var(--bg-elevated);
    border-left: 1px solid var(--glass-border);
    transform: translateX(100%);
    transition: var(--transition-base);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1rem;
    padding: var(--space-xs) 0;
  }
}

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

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.4rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  margin-bottom: var(--space-md);
  max-width: 800px;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Background logo in hero - layer behind content */
.hero-logo {
  position: absolute;
  right: -20%;
  top: -30%;
  transform: translateY(0);
  width: 130vw;
  height: 130vw;
  max-width: 1800px;
  max-height: 1800px;
  opacity: 0.25;
  pointer-events: none;
  z-index: 1;
  animation: float 30s ease-in-out infinite;
}

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

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-2%) scale(1.02); }
}

@media (max-width: 1024px) {
  .hero-logo {
    width: 140vw;
    height: 140vw;
    right: -20%;
    opacity: 0.2;
  }
}

@media (max-width: 768px) {
  .hero-logo {
    width: 160vw;
    height: 160vw;
    right: -30%;
    opacity: 0.15;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ---------- Glass Cards ---------- */
.card {
  position: relative;
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

.card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  background: var(--gradient-subtle);
  border-radius: 12px;
}

.card-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-cyan);
}

.card h3 {
  margin-bottom: var(--space-sm);
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---------- Grid Layouts ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: var(--space-md);
}

.bento-item {
  position: relative;
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition-base);
}

.bento-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.bento-item.span-2 {
  grid-column: span 2;
}

.bento-item.span-2-row {
  grid-row: span 2;
}

@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }

  .bento-item.span-2 {
    grid-column: span 2;
  }
}

@media (max-width: 600px) {
  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .bento-item.span-2,
  .bento-item.span-2-row {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* ---------- Pillars Section ---------- */
.pillars {
  display: flex;
  gap: var(--space-lg);
}

.pillar {
  flex: 1;
  position: relative;
  padding: var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  transition: var(--transition-base);
}

.pillar:hover {
  border-color: var(--color-cyan);
  background: rgba(6, 182, 212, 0.05);
}

.pillar:nth-child(2):hover {
  border-color: var(--color-violet);
  background: rgba(139, 92, 246, 0.05);
}

.pillar:nth-child(3):hover {
  border-color: var(--color-magenta);
  background: rgba(217, 70, 239, 0.05);
}

.pillar-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 4px;
  margin-bottom: var(--space-md);
}

.pillar:nth-child(1) .pillar-tag {
  background: rgba(6, 182, 212, 0.2);
  color: var(--color-cyan);
}

.pillar:nth-child(2) .pillar-tag {
  background: rgba(139, 92, 246, 0.2);
  color: var(--color-violet);
}

.pillar:nth-child(3) .pillar-tag {
  background: rgba(217, 70, 239, 0.2);
  color: var(--color-magenta);
}

.pillar h3 {
  margin-bottom: var(--space-sm);
}

.pillar p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .pillars {
    flex-direction: column;
  }
}

/* ---------- Name Block ---------- */
.name-block-full {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-2xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

.name-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.name-header h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-xs);
}

.pronunciation {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-muted);
}

.name-intro {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.name-intro em {
  color: var(--color-cyan);
  font-style: normal;
}

.name-frameworks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.name-framework h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.framework-subtitle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.framework-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.framework-list li {
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
}

.framework-list li:last-child {
  border-bottom: none;
}

.framework-list strong {
  color: var(--color-cyan);
}

.name-tagline {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin: 0;
}

.name-tagline em {
  font-style: italic;
}

@media (max-width: 700px) {
  .name-frameworks {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .name-block-full {
    padding: var(--space-xl);
  }
}

/* Legacy name block (if needed) */
.name-block {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
}

.name-content h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-bottom: var(--space-md);
}

.name-explanation {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.name-explanation strong {
  color: var(--text-primary);
}

.name-explanation em {
  color: var(--color-cyan);
  font-style: normal;
}

/* ---------- CIAAN Definitions ---------- */
.ciaan-definitions {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.ras-definitions {
  grid-template-columns: repeat(3, 1fr);
  max-width: 960px;
  margin: 0 auto;
}

.ciaan-def-item {
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: var(--transition-base);
}

.ciaan-def-item:hover {
  border-color: rgba(6, 182, 212, 0.4);
  background: rgba(6, 182, 212, 0.03);
}

.ciaan-def-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.ciaan-letter-large {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ciaan-def-header h3 {
  font-size: 1rem;
  margin: 0;
}

.ciaan-definition {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.ciaan-source {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin: 0;
}

@media (max-width: 1100px) {
  .ciaan-definitions {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .ciaan-definitions {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .ciaan-definitions {
    grid-template-columns: 1fr;
  }
}

/* ---------- PPTDL & Principles Lists ---------- */
.pptdl-list,
.principles-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.pptdl-def-item,
.principle-def-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: 8px;
  transition: var(--transition-fast);
}

.pptdl-def-item:hover,
.principle-def-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.pptdl-def-item .pptdl-letter {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  background: rgba(139, 92, 246, 0.2);
  color: var(--color-violet);
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  flex-shrink: 0;
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-cyan);
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.pptdl-def-item strong,
.principle-def-item strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

.pptdl-def-item span:not(.pptdl-letter),
.principle-def-item span:not(.principle-num) {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- Foundation Cards Section ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.foundation-card {
  padding: var(--space-xl);
}

.foundation-card h3 {
  font-size: 1.75rem;
  margin-bottom: 0;
}

/* Compact CIAAN grid */
.ciaan-grid-compact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.ciaan-item-compact {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.4rem 0.75rem;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 6px;
}

.ciaan-item-compact .ciaan-letter {
  font-size: 1rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ciaan-item-compact .ciaan-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0;
}

/* PPTDL grid */
.pptdl-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.pptdl-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.4rem 0.75rem;
  background: rgba(139, 92, 246, 0.1);
  border-radius: 6px;
}

.pptdl-item .pptdl-letter {
  font-size: 1rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Principles grid */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.principle {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
}

.principle-icon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-cyan);
  background: rgba(6, 182, 212, 0.15);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.principle p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

@media (max-width: 900px) {
  .principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .principles-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Full-page CIAAN Section (for standalone use) ---------- */
.ciaan-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
}

.ciaan-item {
  position: relative;
  padding: var(--space-md);
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: var(--transition-base);
}

.ciaan-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.05);
}

.ciaan-letter {
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ciaan-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

@media (max-width: 768px) {
  .ciaan-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .ciaan-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- Focus Areas ---------- */
.focus-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.focus-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: var(--transition-fast);
}

.focus-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--glass-border);
}

.focus-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border-radius: 10px;
  flex-shrink: 0;
}

.focus-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-cyan);
}

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

/* ---------- CTA Section ---------- */
.cta-section {
  position: relative;
  padding: var(--space-3xl) 0;
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-subtle);
  opacity: 0.5;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  margin-bottom: var(--space-sm);
}

.cta-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid var(--glass-border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand svg {
  width: 36px;
  height: 36px;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: var(--space-2xl);
}

.footer-column h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.footer-column a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.3rem 0;
  transition: var(--transition-fast);
}

.footer-column a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--glass-border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: var(--space-xl);
  }

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

/* ---------- Page Header ---------- */
.page-header {
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-2xl);
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* ---------- Alt Section ---------- */
.alt-section {
  background: var(--bg-elevated);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

/* ---------- Philosophy Grid ---------- */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.philosophy-item {
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: var(--transition-base);
}

.philosophy-item:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.philosophy-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border-radius: 12px;
  margin-bottom: var(--space-md);
}

.philosophy-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-cyan);
}

.philosophy-item h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.philosophy-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

@media (max-width: 900px) {
  .philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Framework Layers ---------- */
.layers-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.layer-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: var(--transition-base);
}

.layer-item:hover {
  border-color: var(--color-cyan);
  background: rgba(6, 182, 212, 0.03);
}

.layer-item:nth-child(2):hover { border-color: #22d3ee; }
.layer-item:nth-child(3):hover { border-color: var(--color-violet); }
.layer-item:nth-child(4):hover { border-color: var(--color-purple); }
.layer-item:nth-child(5):hover { border-color: var(--color-magenta); }

.layer-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  width: 50px;
}

.layer-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.layer-subtitle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-cyan);
  margin-bottom: var(--space-sm);
}

.layer-content p:last-child {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

@media (max-width: 600px) {
  .layer-item {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .layer-number {
    width: auto;
  }
}

/* Design outcome blockquote */
.design-outcome {
  margin-top: var(--space-2xl);
  text-align: center;
}

.design-outcome blockquote {
  font-size: 1.5rem;
  font-weight: 600;
  font-style: italic;
  color: var(--text-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- About Page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about-content h2 {
  margin-bottom: var(--space-md);
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

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

.about-content em {
  color: var(--color-cyan);
  font-style: normal;
}

.about-values h3 {
  margin-bottom: var(--space-lg);
  font-size: 1.1rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.value-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

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

.value-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border-radius: 10px;
  flex-shrink: 0;
}

.value-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-cyan);
}

.value-item strong {
  display: block;
  margin-bottom: 0.25rem;
}

.value-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

/* Industries Grid */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.industry-item {
  padding: var(--space-md) var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  text-align: center;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.industry-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

@media (max-width: 768px) {
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .industries-grid {
    grid-template-columns: 1fr;
  }
}

/* Affiliation Block */
.affiliation-block {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}

.affiliation-block h3 {
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.affiliation-block p {
  color: var(--text-secondary);
  margin: 0;
}

/* CTA Buttons Row */
.cta-buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Legal Pages ---------- */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.25rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.legal-content ul {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.legal-content li {
  margin-bottom: var(--space-xs);
}

.legal-content a {
  color: var(--color-cyan);
  transition: var(--transition-fast);
}

.legal-content a:hover {
  color: var(--color-cyan-light);
}

/* ---------- Model Cards ---------- */
.model-card {
  padding: var(--space-xl);
}

.model-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.model-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.model-letter {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  background: rgba(6, 182, 212, 0.2);
  color: var(--color-cyan);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  flex-shrink: 0;
}

.model-item strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.model-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Animations & Effects ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Scroll-triggered animations */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Utilities ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }