:root {
  --bg: #0C0A09;
  --bg-warm: #141110;
  --fg: #F5F0EB;
  --fg-dim: #A89F96;
  --accent: #C8793E;
  --accent-light: #D4935E;
  --accent-glow: rgba(200, 121, 62, 0.15);
  --border: rgba(168, 159, 150, 0.12);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

*, *::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-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
  background: linear-gradient(175deg, #1A1412 0%, var(--bg) 60%);
}

.hero-grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 780px;
  text-align: center;
}

.hero-tag {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--fg-dim);
  max-width: 560px;
  margin: 0 auto 36px;
}

.hero-detail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg);
}

.hero-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.hero-scroll-line {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--accent));
}

/* ========== SECTION LABELS ========== */
.section-label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

/* ========== PRODUCT ========== */
.product {
  padding: 120px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.product-inner {
  max-width: 960px;
  margin: 0 auto;
}

.product-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.product-body {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--fg-dim);
  max-width: 640px;
  margin-bottom: 56px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 72px;
}

.product-card {
  background: var(--bg-warm);
  padding: 36px 24px;
  text-align: center;
}

.card-number {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.card-label {
  font-size: 13px;
  line-height: 1.4;
  color: var(--fg-dim);
  letter-spacing: 0.02em;
}

.product-uses h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.uses-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.use-item {
  padding-top: 20px;
  border-top: 2px solid var(--accent);
}

.use-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 12px;
}

.use-item p {
  font-size: 0.95rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

.use-item strong {
  color: var(--fg);
}

/* ========== VISION ========== */
.vision {
  padding: 120px 24px;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
}

.vision-inner {
  max-width: 960px;
  margin: 0 auto;
}

.vision h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.vision-body {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--fg-dim);
  max-width: 640px;
  margin-bottom: 56px;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.pillar {
  background: var(--bg);
  padding: 32px 20px;
  text-align: center;
}

.pillar-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--fg);
  margin-bottom: 6px;
}

.pillar-desc {
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.4;
}

/* ========== FOUNDER ========== */
.founder {
  padding: 120px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  position: relative;
}

.founder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: var(--accent-glow);
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.founder-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.founder h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.founder-body {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--fg-dim);
  margin-bottom: 48px;
}

.founder-quote blockquote {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  line-height: 1.5;
  color: var(--fg);
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  font-style: normal;
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 80px 24px 40px;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
}

.footer-brand {
  margin-bottom: 48px;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  letter-spacing: 0.1em;
  color: var(--fg);
  display: block;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--fg-dim);
  line-height: 1.5;
}

.footer-legal {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  margin-bottom: 32px;
}

.footer-legal p {
  font-size: 12px;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 8px;
  opacity: 0.7;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--fg-dim);
  opacity: 0.5;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .uses-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .hero {
    padding: 100px 20px 60px;
    min-height: 90vh;
  }

  .product, .vision, .founder {
    padding: 80px 20px;
  }

  .hero-detail {
    gap: 10px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 2.6rem;
  }

  .product-header h2,
  .vision h2,
  .founder h2 {
    font-size: 1.8rem;
  }

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