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

:root {
  --bg: #0D0D0F;
  --surface: #141416;
  --surface-2: #1C1C1F;
  --amber: #C9973B;
  --amber-dim: rgba(201, 151, 59, 0.15);
  --amber-glow: rgba(201, 151, 59, 0.08);
  --off-white: #F0EDE6;
  --warm-gray: #8A8780;
  --faint: #3A3A3E;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --max-w: 1200px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--off-white);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--faint); border-radius: 3px; }

/* ─── Header ──────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 24px 48px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--amber-glow);
  background: linear-gradient(to bottom, rgba(13,13,15,0.95) 0%, transparent 100%);
  backdrop-filter: blur(8px);
}

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

.wordmark {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--off-white);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: 40px;
}

.site-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warm-gray);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ─── Hero ────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 0 48px;
  overflow: hidden;
}

.hero-sky {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 40% at 50% 20%, rgba(201, 151, 59, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 30% at 70% 60%, rgba(201, 151, 59, 0.06) 0%, transparent 60%),
    linear-gradient(180deg, #0D0D0F 0%, #0D0D0F 100%);
  pointer-events: none;
}

/* Subtle terrain silhouette at bottom */
.hero-sky::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 30%;
  background: linear-gradient(to top, rgba(13,13,15,0.9) 0%, transparent 100%);
}

/* Mountain ridge silhouette */
.hero::before {
  content: '';
  position: absolute;
  bottom: 18%; right: 0;
  width: 60%;
  height: 35%;
  background: linear-gradient(160deg, transparent 40%, rgba(201, 151, 59, 0.08) 60%, rgba(201, 151, 59, 0.04) 80%, transparent 100%);
  clip-path: polygon(20% 100%, 40% 60%, 55% 75%, 70% 40%, 80% 55%, 100% 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  width: 100%;
  margin: auto 0;
  padding: 140px 0 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 28px;
  font-weight: 400;
}

.hero-headline {
  font-family: var(--serif);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--off-white);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--warm-gray);
  max-width: 420px;
  line-height: 1.7;
}

.hero-right {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding-left: 40px;
  border-left: 1px solid var(--faint);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-number {
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 300;
  color: var(--amber);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--warm-gray);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.hero-scroll {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 40px;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--warm-gray);
}

.scroll-line {
  width: 48px;
  height: 1px;
  background: var(--amber);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--off-white);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0% { left: -100%; }
  50% { left: 100%; }
  100% { left: 100%; }
}

/* ─── Section Commons ──────────────────────────────── */
.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.label-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--amber);
}

.label-text {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.section-headline {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 3.5vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--off-white);
  margin-bottom: 24px;
}

.section-body {
  font-size: 1rem;
  color: var(--warm-gray);
  max-width: 560px;
  line-height: 1.7;
}

/* ─── Frame Section ───────────────────────────────── */
.frame-section {
  padding: 120px 48px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.frame-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 56px;
  margin-bottom: 56px;
  border: 1px solid var(--faint);
}

.frame-card {
  position: relative;
  padding: 48px 40px;
  overflow: hidden;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.frame-card-bg {
  position: absolute;
  inset: 0;
  opacity: 0.12;
}

.frame-card--interior .frame-card-bg {
  background: linear-gradient(135deg, #2a2520 0%, #0D0D0F 100%);
}

.frame-card--aerial .frame-card-bg {
  background: linear-gradient(135deg, #1a2030 0%, #0D0D0F 100%);
}

.frame-card--twilight .frame-card-bg {
  background: linear-gradient(135deg, #2a1f10 0%, #0D0D0F 100%);
}

.frame-card--video .frame-card-bg {
  background: linear-gradient(135deg, #1a1a2a 0%, #0D0D0F 100%);
}

/* Corner accent */
.frame-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40px; height: 40px;
  border-top: 1px solid var(--amber);
  border-right: 1px solid var(--amber);
  opacity: 0.4;
}

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

.frame-type {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.frame-desc {
  font-size: 0.9rem;
  color: var(--warm-gray);
  line-height: 1.6;
}

.frame-callout {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--faint);
  border-bottom: 1px solid var(--faint);
}

.callout-bar {
  width: 3px;
  height: 48px;
  background: var(--amber);
  flex-shrink: 0;
}

.callout-text {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--warm-gray);
}

/* ─── Agent Section ────────────────────────────────── */
.agent-section {
  padding: 120px 48px;
  max-width: var(--max-w);
  margin: 0 auto;
  border-top: 1px solid var(--faint);
}

.agent-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  align-items: start;
  margin-top: 56px;
}

/* Orb */
.agent-orb {
  position: relative;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
}

.orb-ring--1 {
  width: 100%; height: 100%;
  border-color: rgba(201, 151, 59, 0.3);
  animation: orbPulse 4s ease-in-out infinite;
}

.orb-ring--2 {
  width: 75%; height: 75%;
  border-color: rgba(201, 151, 59, 0.2);
  animation: orbPulse 4s ease-in-out infinite 0.5s;
}

.orb-ring--3 {
  width: 50%; height: 50%;
  border-color: rgba(201, 151, 59, 0.15);
  animation: orbPulse 4s ease-in-out infinite 1s;
}

@keyframes orbPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.03); }
}

.orb-core {
  width: 60px; height: 60px;
  background: var(--amber-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(201, 151, 59, 0.3);
}

/* Duties */
.agent-duties {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.duty-row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(58, 58, 62, 0.5);
}

.duty-row--always {
  border-bottom: none;
  margin-top: 8px;
}

.duty-row--always .duty-dot {
  background: var(--amber);
}

.duty-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
  opacity: 0.5;
  flex-shrink: 0;
  margin-top: 6px;
}

.duty-text {
  font-size: 0.95rem;
  color: var(--warm-gray);
  line-height: 1.5;
}

.duty-text strong {
  color: var(--off-white);
  font-weight: 500;
}

/* ─── Night Mode Section ───────────────────────────── */
.nightmode-section {
  padding: 120px 48px;
  max-width: var(--max-w);
  margin: 0 auto;
  border-top: 1px solid var(--faint);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.night-headline {
  margin-bottom: 28px;
}

.night-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  margin-right: 16px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--warm-gray);
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}

/* Sky visual */
.night-right {
  position: relative;
  height: 360px;
  overflow: hidden;
}

.night-sky {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, #080812 0%, #0D0D1A 50%, #1a1208 85%, #2a1a0a 100%);
  border-radius: 2px;
  overflow: hidden;
}

/* Stars */
.sky-stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 15% 20%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 45% 15%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 75% 25%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 40%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 35%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 10%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 8%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 30%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(2px 2px at 50% 18%, rgba(201, 151, 59, 0.8) 0%, transparent 100%),
    radial-gradient(2px 2px at 30% 12%, rgba(255, 255, 255, 0.5) 0%, transparent 100%);
}

/* Horizon glow */
.sky-glow {
  position: absolute;
  bottom: 30%;
  left: 0; right: 0;
  height: 40%;
  background: linear-gradient(to top,
    rgba(201, 151, 59, 0.25) 0%,
    rgba(201, 151, 59, 0.08) 40%,
    transparent 100%);
}

/* Mountain ridge */
.sky-horizon {
  position: absolute;
  bottom: 25%;
  left: 0; right: 0;
  height: 35%;
  background:
    linear-gradient(to top, #0D0D0F 0%, transparent 100%),
    linear-gradient(to right, transparent 0%, #0a0a12 30%, transparent 60%, #0a0a12 80%, transparent 100%);
  /* Simple ridge line using clip */
  clip-path: polygon(0% 100%, 0% 60%, 15% 40%, 30% 55%, 50% 20%, 65% 45%, 80% 30%, 100% 50%, 100% 100%);
  background: #0D0D0F;
}

/* Ground */
.sky-ground {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 26%;
  background: linear-gradient(to top, #0D0D0F 0%, transparent 100%);
}

/* ─── Closing ──────────────────────────────────────── */
.closing-section {
  padding: 140px 48px 100px;
  border-top: 1px solid var(--faint);
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 28px;
}

.closing-headline {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--off-white);
  margin-bottom: 24px;
}

.closing-body {
  font-size: 1rem;
  color: var(--warm-gray);
  line-height: 1.7;
}

/* ─── Footer ───────────────────────────────────────── */
.site-footer {
  padding: 48px;
  border-top: 1px solid var(--faint);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-wordmark {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--off-white);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--warm-gray);
  letter-spacing: 0.05em;
}

.footer-meta {
  font-size: 0.72rem;
  color: rgba(138, 135, 128, 0.5);
  display: flex;
  gap: 8px;
  align-items: center;
}

.footer-sep { color: var(--faint); }

/* ─── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
  .site-header { padding: 20px 24px; }
  .site-nav { display: none; }

  .hero { padding: 0 24px; }
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 120px;
  }

  .hero-right {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--faint);
    padding-top: 40px;
    flex-direction: row;
    gap: 32px;
  }

  .frame-section,
  .agent-section,
  .nightmode-section,
  .closing-section { padding: 80px 24px; }

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

  .agent-layout { grid-template-columns: 1fr; gap: 48px; }
  .agent-orb { margin: 0 auto; }

  .nightmode-section { grid-template-columns: 1fr; }
  .night-right { height: 240px; }
}