:root {
  --bg: #0c0b0f;
  --bg-warm: #13111a;
  --fg: #e8e4df;
  --fg-muted: #9b9590;
  --accent: #e8a44a;
  --accent-glow: rgba(232, 164, 74, 0.15);
  --card-bg: #1a1722;
  --card-border: rgba(232, 164, 74, 0.08);
  --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-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-tag {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 7vw, 80px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

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

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ---- PHILOSOPHY ---- */
.philosophy {
  padding: 120px 24px;
  background: var(--bg-warm);
}

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

.philosophy-label,
.features-label,
.rhythm-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.philosophy h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.5vw, 36px);
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.philosophy p {
  color: var(--fg-muted);
  margin-bottom: 16px;
  font-size: 17px;
}

.philosophy .highlight {
  color: var(--accent);
  font-weight: 500;
  font-size: 19px;
  margin-top: 24px;
}

/* ---- FEATURES ---- */
.features {
  padding: 120px 24px;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 12px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 36px 32px;
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(232, 164, 74, 0.25);
}

.feature-icon {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.65;
}

/* ---- RHYTHM ---- */
.rhythm {
  padding: 120px 24px;
  background: var(--bg-warm);
}

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

.rhythm-steps {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.rhythm-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 48px;
  color: rgba(232, 164, 74, 0.2);
  line-height: 1;
  min-width: 64px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 16px;
}

/* ---- CLOSING ---- */
.closing {
  padding: 140px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing-sub {
  color: var(--accent);
  font-size: 20px;
  font-weight: 500;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid rgba(232, 164, 74, 0.08);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
}

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

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .rhythm-step {
    flex-direction: column;
    gap: 12px;
  }

  .step-num {
    font-size: 36px;
    min-width: auto;
  }

  .hero {
    min-height: 80vh;
    padding: 60px 20px;
  }

  .philosophy,
  .features,
  .rhythm,
  .closing {
    padding: 80px 20px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}