/* ============================================
   5 ORACLES — Shared Stylesheet
   Dark Revylo aesthetic + classical typography
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color palette — Revylo-adjacent dark */
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1c1c1c;
  --bg-card: #161616;
  --bg-card-hover: #1f1f1f;

  --text-primary: #f5f5f0;
  --text-secondary: #b8b8b0;
  --text-muted: #6a6a64;
  --text-faint: #3a3a36;

  --accent-coral: #FF6B6B;
  --accent-coral-dim: #C55656;
  --accent-amber: #FFB020;
  --accent-amber-dim: #C58818;

  --border-subtle: #2a2a26;
  --border-medium: #3a3a36;

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* Layout */
  --content-width: 64rem;
  --reading-width: 42rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Subtle ambient background texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(255, 107, 107, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(255, 176, 32, 0.03) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

main, header, footer {
  position: relative;
  z-index: 1;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 400;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-weight: 500;
}

p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

p strong, p b {
  color: var(--text-primary);
  font-weight: 500;
}

a {
  color: var(--accent-coral);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-amber);
}

em {
  font-style: italic;
  color: var(--text-primary);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-sm) 0;
}

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

.site-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-transform: lowercase;
}

.site-brand span.numeral {
  color: var(--accent-coral);
  font-weight: 600;
}

.site-brand:hover {
  color: var(--text-primary);
}

.site-nav {
  display: flex;
  gap: var(--space-md);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.site-nav a {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
}

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

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */

.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 38rem;
  display: flex;
  align-items: center;
}

/* Hero background image with atmospheric treatment */
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: 0.7;
  z-index: 0;
  /* Subtle desaturation so it harmonizes with the dark theme */
  filter: saturate(0.9) brightness(1.05);
  pointer-events: none;
  user-select: none;
}

/* Radial vignette — image bright in center, fades at edges so text reads cleanly */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at center,
    transparent 0%,
    rgba(10, 10, 10, 0.1) 50%,
    rgba(10, 10, 10, 0.55) 100%);
  pointer-events: none;
}

/* Bottom gradient ensures clean transition into the rest of the page */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg,
    rgba(10, 10, 10, 0) 0%,
    rgba(10, 10, 10, 0.2) 60%,
    rgba(10, 10, 10, 1) 100%);
  pointer-events: none;
}

.hero > .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--accent-coral);
  margin-bottom: var(--space-md);
  display: block;
}

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

.hero h1 .accent {
  color: var(--accent-coral);
  font-style: italic;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-weight: 300;
  font-style: italic;
  color: var(--text-secondary);
  max-width: 36rem;
  margin: 0 auto var(--space-lg);
  line-height: 1.4;
}

.hero-intro {
  max-width: var(--reading-width);
  margin: 0 auto;
  text-align: left;
}

.hero-intro p {
  font-size: 1.125rem;
  line-height: 1.75;
}

/* ============================================
   THE FIVE — CARD GRID
   ============================================ */

.oracles-section {
  padding-top: var(--space-lg);
}

.section-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

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

.oracles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  max-width: var(--content-width);
  margin: 0 auto;
}

/* Asymmetric layout: 3 on top row, 2 on bottom (centered) on large screens */
@media (min-width: 900px) {
  .oracles-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  .oracle-card:nth-child(1) { grid-column: 1 / span 2; }
  .oracle-card:nth-child(2) { grid-column: 3 / span 2; }
  .oracle-card:nth-child(3) { grid-column: 5 / span 2; }
  .oracle-card:nth-child(4) { grid-column: 2 / span 2; }
  .oracle-card:nth-child(5) { grid-column: 4 / span 2; }
}

.oracle-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  position: relative;
}

.oracle-card:hover {
  border-color: var(--accent-coral-dim);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.oracle-card:hover .oracle-card-arrow {
  transform: translateX(4px);
  color: var(--accent-coral);
}

.oracle-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-align: center;
  padding: var(--space-sm);
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
}

.oracle-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.4) 100%);
  pointer-events: none;
  z-index: 1;
}

.oracle-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.oracle-card:hover .oracle-image img {
  transform: scale(1.04);
}

.oracle-image.placeholder {
  background:
    repeating-linear-gradient(
      45deg,
      var(--bg-tertiary),
      var(--bg-tertiary) 10px,
      var(--bg-secondary) 10px,
      var(--bg-secondary) 20px
    );
}

.oracle-card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.oracle-number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--accent-coral);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.oracle-name {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.125rem;
  line-height: 1.1;
}

.oracle-phonetic {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
  font-style: normal;
}

.oracle-role {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--accent-amber);
  margin-bottom: var(--space-sm);
  font-weight: 400;
}

.oracle-teaser {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  flex: 1;
}

.oracle-card-footer {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: auto;
}

.oracle-card-arrow {
  display: inline-block;
  transition: transform 0.2s ease, color 0.2s ease;
}

/* ============================================
   PROSE SECTIONS
   ============================================ */

.prose-section {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.prose-section h2 {
  margin-bottom: var(--space-md);
}

.prose-section h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.prose-section p {
  margin-bottom: var(--space-sm);
}

.prose-section p + p {
  margin-top: var(--space-sm);
}

/* Pull quote */
.pull-quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1.4;
  padding: var(--space-md) 0;
  margin: var(--space-md) 0;
  border-left: 2px solid var(--accent-coral);
  padding-left: var(--space-md);
}

/* ============================================
   ARCHITECTURE / CTA SECTION
   ============================================ */

.architecture-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-xl) 0;
}

.architecture-inner {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--accent-coral);
  color: var(--bg-primary);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all 0.2s ease;
  margin-top: var(--space-md);
}

.cta-button:hover {
  background: var(--accent-amber);
  color: var(--bg-primary);
  transform: translateY(-1px);
}

/* ============================================
   ORACLE DETAIL PAGE
   ============================================ */

.detail-hero {
  padding: var(--space-2xl) 0 var(--space-lg);
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.detail-hero .oracle-number {
  margin-bottom: var(--space-md);
}

.detail-hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 300;
  margin-bottom: 0.25rem;
}

.detail-phonetic {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  font-style: normal;
}

.detail-hero .role-tag {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--accent-amber);
  margin-bottom: var(--space-lg);
}

.detail-image-wide {
  width: 100%;
  max-width: var(--content-width);
  margin: var(--space-md) auto;
  aspect-ratio: 21 / 9;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: center;
  padding: var(--space-md);
  letter-spacing: 0.05em;
  overflow: hidden;
}

.detail-image-wide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.detail-image-wide.placeholder {
  background:
    repeating-linear-gradient(
      45deg,
      var(--bg-tertiary),
      var(--bg-tertiary) 12px,
      var(--bg-secondary) 12px,
      var(--bg-secondary) 24px
    );
}

.implementation-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-xl) 0;
}

.implementation-section .section-label {
  color: var(--accent-amber);
}

/* Navigation between oracles */
.oracle-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--border-subtle);
  gap: var(--space-md);
}

.oracle-nav a {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color 0.2s ease;
  flex: 1;
  min-width: 0;
}

.oracle-nav a.next {
  text-align: right;
  align-items: flex-end;
}

.oracle-nav a:hover {
  color: var(--accent-coral);
}

.oracle-nav .nav-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  text-transform: none;
  letter-spacing: -0.01em;
  font-style: italic;
  color: var(--text-secondary);
  font-weight: 400;
}

.oracle-nav a:hover .nav-name {
  color: var(--text-primary);
}

.oracle-nav .center-link {
  text-align: center;
  align-items: center;
  flex: 0 0 auto;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
}

.footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent-coral);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
  section {
    padding: var(--space-lg) 0;
  }

  .hero {
    padding: var(--space-xl) 0 var(--space-lg);
    min-height: 28rem;
  }

  /* Mobile: image needs to fight through less overlay or it disappears */
  .hero-bg {
    opacity: 0.85;
    filter: saturate(0.95) brightness(1.1);
  }

  .hero::before {
    background: radial-gradient(ellipse at center,
      transparent 0%,
      rgba(10, 10, 10, 0.05) 50%,
      rgba(10, 10, 10, 0.4) 100%);
  }

  .hero::after {
    background: linear-gradient(180deg,
      rgba(10, 10, 10, 0) 0%,
      rgba(10, 10, 10, 0.15) 60%,
      rgba(10, 10, 10, 1) 100%);
  }

  .detail-hero {
    padding: var(--space-xl) 0 var(--space-md);
  }

  .pull-quote {
    font-size: 1.25rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .oracle-nav {
    flex-direction: column;
    gap: var(--space-md);
  }

  .oracle-nav a.next {
    text-align: left;
    align-items: flex-start;
  }
}

/* Fade-in on load — staggered for the cards */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.oracle-card {
  animation: fadeUp 0.6s ease-out backwards;
}

.oracle-card:nth-child(1) { animation-delay: 0.1s; }
.oracle-card:nth-child(2) { animation-delay: 0.2s; }
.oracle-card:nth-child(3) { animation-delay: 0.3s; }
.oracle-card:nth-child(4) { animation-delay: 0.4s; }
.oracle-card:nth-child(5) { animation-delay: 0.5s; }

.hero h1, .hero-subtitle, .hero-intro {
  animation: fadeUp 0.8s ease-out backwards;
}

.hero-subtitle {
  animation-delay: 0.1s;
}

.hero-intro {
  animation-delay: 0.2s;
}