:root {
  --bg: #0a0a0a;
  --fg: #e8e4df;
  --fg-muted: #8a857e;
  --accent: #c9a84c;
  --accent-dim: rgba(201, 168, 76, 0.15);
  --surface: #141414;
  --surface-border: #222;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { 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;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 60px 100px;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 18px;
  margin-bottom: 48px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 36px;
}

.hero-sub {
  font-size: 19px;
  line-height: 1.75;
  color: var(--fg-muted);
  max-width: 560px;
}

.hero-gradient {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ===== THESIS ===== */
.thesis {
  padding: 140px 60px;
  border-top: 1px solid var(--surface-border);
}

.thesis-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.thesis-label,
.how-label,
.numbers-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 40px;
}

.thesis h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
  line-height: 1.35;
  color: #fff;
  margin-bottom: 56px;
  max-width: 900px;
}

.thesis-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.thesis-col p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.8;
}

/* ===== HOW ===== */
.how {
  padding: 140px 60px;
  background: var(--surface);
}

.how-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 20px;
}

.how-card {
  padding: 48px 40px;
  border: 1px solid var(--surface-border);
  background: var(--bg);
  transition: border-color 0.3s;
}

.how-card:hover {
  border-color: var(--accent);
}

.how-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
  display: block;
  margin-bottom: 20px;
}

.how-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  color: #fff;
  margin-bottom: 16px;
}

.how-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.75;
}

/* ===== NUMBERS ===== */
.numbers {
  padding: 140px 60px;
  border-top: 1px solid var(--surface-border);
}

.numbers-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-top: 20px;
}

.number-block {
  text-align: left;
}

.number-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  color: var(--accent);
  display: block;
  line-height: 1.1;
  margin-bottom: 14px;
}

.number-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== CLOSING ===== */
.closing {
  padding: 160px 60px;
  background: var(--surface);
  text-align: center;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.25;
  color: #fff;
  margin-bottom: 32px;
}

.closing-sub {
  font-size: 18px;
  line-height: 1.8;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 60px 60px;
  border-top: 1px solid var(--surface-border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: #fff;
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 28px 80px;
    min-height: auto;
  }

  .hero-badge {
    margin-bottom: 32px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .thesis,
  .how,
  .numbers,
  .closing {
    padding: 80px 28px;
  }

  .thesis-columns {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .how-card {
    padding: 32px 28px;
  }

  .numbers-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 28px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero-gradient {
    width: 400px;
    height: 400px;
    top: -10%;
    right: -20%;
  }
}

@media (max-width: 480px) {
  .numbers-grid {
    grid-template-columns: 1fr;
  }
}