:root {
  --bg: #0f0d0a;
  --bg-warm: #1a1612;
  --fg: #f0ebe3;
  --fg-muted: #a39a8b;
  --accent: #c8956c;
  --accent-light: #d4a882;
  --accent-glow: rgba(200, 149, 108, 0.15);
  --card-bg: #16130f;
  --card-border: rgba(200, 149, 108, 0.12);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --max-w: 1100px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Hero ───────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-md);
  overflow: hidden;
}

.hero-grain {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, var(--accent-glow), transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 720px;
}

.hero-tag {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

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

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.8;
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ── Philosophy ──────────────────────────────── */

.philosophy {
  padding: var(--space-2xl) var(--space-md);
  border-top: 1px solid var(--card-border);
}

.philosophy-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.philosophy-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.philosophy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: var(--space-md);
  max-width: 600px;
}

.philosophy p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 560px;
  line-height: 1.9;
}

/* ── Features ────────────────────────────────── */

.features {
  padding: var(--space-xl) var(--space-md) var(--space-2xl);
}

.features-header {
  max-width: var(--max-w);
  margin: 0 auto var(--space-lg);
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.features-header p {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.features-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--card-border);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  overflow: hidden;
}

.feature-card {
  background: var(--card-bg);
  padding: var(--space-lg) var(--space-md);
  transition: background 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-warm);
}

.feature-icon {
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ── Origin ──────────────────────────────────── */

.origin {
  padding: var(--space-2xl) var(--space-md);
  border-top: 1px solid var(--card-border);
}

.origin-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.origin-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.origin h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: var(--space-md);
}

.origin p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.origin-visual {
  position: relative;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.origin-circle {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0.25;
  animation: float 8s ease-in-out infinite;
}

.origin-circle-2 {
  width: 260px;
  height: 260px;
  opacity: 0.15;
  animation-delay: -2s;
  animation-duration: 10s;
}

.origin-circle-3 {
  width: 140px;
  height: 140px;
  opacity: 0.35;
  background: var(--accent-glow);
  animation-delay: -4s;
  animation-duration: 6s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(10px, -15px); }
  50% { transform: translate(-5px, 10px); }
  75% { transform: translate(15px, 5px); }
}

/* ── Closing ──────────────────────────────────── */

.closing {
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
}

.closing-inner {
  max-width: 600px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}

.closing-sub {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--accent);
}

/* ── Footer ──────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--card-border);
  padding: var(--space-lg) var(--space-md);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  color: var(--fg-muted);
  font-size: 0.85rem;
}

.footer-copy {
  color: var(--fg-muted);
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ── Mobile ──────────────────────────────────── */

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

  .origin-inner {
    grid-template-columns: 1fr;
  }

  .origin-visual {
    height: 200px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero {
    min-height: 90vh;
  }
}

@media (max-width: 480px) {
  .feature-card {
    padding: var(--space-md) var(--space-sm);
  }
}