:root {
  --bg: #0C0A09;
  --bg-warm: #1C1917;
  --fg: #FAFAF9;
  --fg-muted: #A8A29E;
  --accent: #E77D45;
  --accent-glow: #F59E6B;
  --terracotta: #C2714F;
  --sand: #D4A574;
  --zellige: #2D6A5A;
  --zellige-light: #3D8B76;
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- SECTION TAG ---- */
.section-tag {
  display: inline-block;
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 3rem 4rem 6rem;
  z-index: 2;
}

.hero-label {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

.hero-accent {
  position: relative;
  background: linear-gradient(135deg, var(--terracotta) 0%, var(--accent) 50%, var(--sand) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.geo-pattern {
  width: 100%;
  height: 100%;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255,255,255,0.06) 39px, rgba(255,255,255,0.06) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,255,255,0.06) 39px, rgba(255,255,255,0.06) 40px),
    repeating-linear-gradient(45deg, transparent, transparent 27px, rgba(255,255,255,0.04) 27px, rgba(255,255,255,0.04) 28px),
    repeating-linear-gradient(-45deg, transparent, transparent 27px, rgba(255,255,255,0.04) 27px, rgba(255,255,255,0.04) 28px);
  opacity: 0.8;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 8rem 6rem;
  background: var(--bg-warm);
}

.problem-inner {
  max-width: 1000px;
}

.problem h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 3rem;
}

.problem-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ---- FEATURES ---- */
.features {
  padding: 8rem 6rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.feature-card {
  background: var(--bg-warm);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: border-color 0.3s ease;
}

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

.feature-large {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(45,106,90,0.15) 0%, rgba(12,10,9,0.95) 70%);
  border-color: var(--zellige);
}

.feature-large:hover {
  border-color: var(--zellige-light);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---- HOW ---- */
.how {
  padding: 8rem 6rem;
  background: var(--bg-warm);
}

.how-inner {
  max-width: 800px;
}

.how h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 3.5rem;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--terracotta);
  line-height: 1;
  opacity: 0.5;
}

.step-content h4 {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ---- CLOSING ---- */
.closing {
  padding: 10rem 6rem;
  background: linear-gradient(180deg, var(--bg) 0%, rgba(194,113,79,0.08) 50%, var(--bg) 100%);
  text-align: center;
}

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

.closing h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 3rem 6rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--fg);
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* ---- MOBILE ---- */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-grid {
    padding: 6rem 1.5rem 3rem;
  }

  .hero-accent {
    height: 200px;
  }

  .problem,
  .features,
  .how,
  .closing {
    padding: 4rem 1.5rem;
  }

  .problem-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .feature-large {
    grid-column: span 1;
  }

  .step {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }

  .step-num {
    font-size: 2rem;
  }

  .site-footer {
    padding: 2rem 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}