/* base.css */
:root {
  --obsidian: #030A16;
  --velvet-navy: #07152B;
  --glass-bg: rgba(7, 21, 43, 0.72);
  --crystal-light: #E8F4FC;
  --crystal-mid: #B8D9F2;
  --ruby-primary: #D32F2F;
  --ruby-deep: #B71C1C;
  --platinum: #F1F5F9;
  --silver: #94A3B8;
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-ruby: rgba(211, 47, 47, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--obsidian);
  color: var(--platinum);
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  background-image: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)" opacity="0.02"/%3E%3C/svg%3E');
}

::selection {
  background: var(--ruby-primary);
  color: var(--platinum);
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--obsidian);
}
::-webkit-scrollbar-thumb {
  background: var(--ruby-primary);
  border-radius: 4px;
}

/* Typography */
.text-display {
  font-family: 'Cinzel', serif;
  font-size: clamp(2rem, 3.5vw + 0.5rem, 4.2rem);
  letter-spacing: 0.04em;
  font-weight: 400;
  line-height: 1.15;
}

.text-headline {
  font-family: 'Cinzel', serif;
  font-size: clamp(2rem, 3vw + 1rem, 4rem);
  font-weight: 400;
  line-height: 1.2;
}

.text-subhead {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.02em;
}

.text-body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  color: var(--silver);
}

.text-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Utilities */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

.section-pad {
  padding-block: clamp(5rem, 10vw, 9rem);
}

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

.gradient-text {
  background: linear-gradient(135deg, #E8F4FC, #B8D9F2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ruby-text {
  background: linear-gradient(135deg, #D32F2F, #FF6B6B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-card {
  background: rgba(7, 21, 43, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

/* Animation */
@keyframes shimmer-beam {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.micro-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--crystal-mid);
  text-transform: uppercase;
  opacity: 0.8;
}

.btn-ruby {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--ruby-primary), var(--ruby-deep));
  color: var(--platinum);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-ruby::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: skewX(-20deg);
  transition: all 0.5s ease;
}
.btn-ruby:hover::before {
  left: 150%;
}
.btn-ruby:hover {
  box-shadow: 0 0 20px rgba(211, 47, 47, 0.4);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  background: transparent;
  color: var(--platinum);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  text-decoration: none;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.2);
}

/* GSAP */
.reveal-char, .reveal-line, .reveal-up {
  opacity: 0;
  transform: translateY(20px);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── Background Utilities ──────────────────────────────────────────────── */
.bg-velvet, .bg-alt { background: var(--velvet-navy); }
.bg-obsidian { background: var(--obsidian); }

/* ─── Layout Utilities ──────────────────────────────────────────────────── */
.section-padding { padding-block: clamp(5rem, 10vw, 9rem); }
.text-center { text-align: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* ─── Typography Utilities ──────────────────────────────────────────────── */
.cinzel-font { font-family: 'Cinzel', serif; }
.mono-font   { font-family: 'JetBrains Mono', monospace; }
.text-heading {
  font-family: 'Cinzel', serif;
  font-size: clamp(1.8rem, 3vw + 0.5rem, 3.5rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--platinum);
}
.mono-heading {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crystal-mid);
}

/* ─── Section Header ────────────────────────────────────────────────────── */
.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-header .micro-tag { margin-bottom: 1rem; display: block; }

/* ─── Scroll Indicator ──────────────────────────────────────────────────── */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 10;
}
.scroll-arrow {
  width: 24px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  position: relative;
}
.scroll-arrow::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--ruby-primary);
  border-radius: 2px;
  animation: scroll-dot 1.8s ease-in-out infinite;
}
@keyframes scroll-dot {
  0%   { top: 6px; opacity: 1; }
  100% { top: 22px; opacity: 0; }
}

/* ─── Reveal Animations (IntersectionObserver toggles .visible) ─────── */
.reveal-up,
.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal-up.visible,
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Breadcrumb ────────────────────────────────────────────────────────── */
.breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
  margin-top: 1.5rem;
}
.breadcrumb a { color: var(--crystal-mid); text-decoration: none; }
.breadcrumb .separator { margin: 0 0.6em; opacity: 0.4; }
.breadcrumb .current { color: var(--platinum); }

/* ─── Page Hero ─────────────────────────────────────────────────────────── */
.page-hero {
  position: relative;
  padding-top: calc(160px + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(4rem, 8vw, 6rem);
  overflow: hidden;
}
.page-hero .hero-title {
  font-family: 'Cinzel', serif;
  font-size: clamp(2.5rem, 5vw + 1rem, 5.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--platinum);
  margin: 1rem 0 1.5rem;
}
.page-hero .hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--silver);
  max-width: 680px;
  line-height: 1.7;
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 40%, rgba(211,47,47,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(7,21,43,0.8) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.page-hero .container { position: relative; z-index: 1; }

/* ─── Link/Image Reset ──────────────────────────────────────────────────── */
a { color: inherit; }
img, video { max-width: 100%; display: block; }