:root {
  --bg: #F8FAF6;
  --bg-alt: #EEF2EA;
  --fg: #1A1A1A;
  --fg-muted: #5A6356;
  --accent: #003527;
  --accent-light: #00694E;
  --accent-glow: #00E89D;
  --warm: #E8DDD3;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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;
  padding: 80px 40px 60px;
  overflow: hidden;
  background: var(--accent);
  color: var(--bg);
}

.hero-inner {
  max-width: 820px;
  position: relative;
  z-index: 2;
}

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

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

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

.hero-sub {
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 540px;
  color: rgba(248,250,246,0.75);
}

.hero-accent {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.08;
  z-index: 1;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 100px 40px;
  background: var(--bg);
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.problem-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--fg-muted);
  margin-bottom: 20px;
}

.problem h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  max-width: 700px;
  margin-bottom: 56px;
  color: var(--accent);
}

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

.problem-card {
  padding: 36px 28px;
  border-radius: 16px;
  background: var(--bg-alt);
  border: 1px solid rgba(0,53,39,0.06);
}

.problem-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--accent-glow);
  display: block;
  margin-bottom: 16px;
}

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

/* ---- HOW ---- */
.how {
  padding: 100px 40px;
  background: var(--warm);
}

.how-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.how-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--fg-muted);
  margin-bottom: 56px;
  text-align: center;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.how-step {
  text-align: center;
}

.how-icon {
  font-size: 2.4rem;
  margin-bottom: 20px;
  display: block;
}

.how-step h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--accent);
}

.how-step p {
  color: var(--fg-muted);
  font-size: 0.93rem;
  line-height: 1.65;
  max-width: 280px;
  margin: 0 auto;
}

/* ---- EDGE ---- */
.edge {
  padding: 100px 40px;
  background: var(--accent);
  color: var(--bg);
}

.edge-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}

.edge-left h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.1;
  margin-bottom: 20px;
}

.edge-left p {
  color: rgba(248,250,246,0.7);
  font-size: 1rem;
  line-height: 1.7;
}

.edge-right {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.edge-stat {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.edge-stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3rem;
  color: var(--accent-glow);
  line-height: 1;
}

.edge-stat-label {
  font-size: 0.95rem;
  color: rgba(248,250,246,0.6);
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 40px;
  text-align: center;
  background: var(--bg);
}

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

.closing h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--accent);
  margin-bottom: 24px;
}

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

/* ---- FOOTER ---- */
.site-footer {
  padding: 40px;
  text-align: center;
  background: var(--bg-alt);
  border-top: 1px solid rgba(0,53,39,0.08);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
}

.footer-sep {
  opacity: 0.4;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: 60px 24px 48px;
  }

  .problem { padding: 64px 24px; }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .how { padding: 64px 24px; }

  .how-steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .edge { padding: 64px 24px; }

  .edge-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .closing { padding: 80px 24px; }

  .hero-accent {
    width: 250px;
    height: 250px;
    right: -60px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .edge-stat-num {
    font-size: 2.2rem;
  }
}