/* === VARIABLES === */
:root {
  --green: #1a3a2a;
  --green-mid: #245538;
  --green-light: #2e6b45;
  --amber: #f5a623;
  --amber-dim: #c4841a;
  --bg: #f8f7f4;
  --bg-warm: #f3f1ec;
  --ink: #1a1a18;
  --ink-mid: #4a4a45;
  --ink-light: #8a8a82;
  --white: #ffffff;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Syne', sans-serif;
  line-height: 1.15;
}

/* === NAV === */
.nav {
  padding: 20px 40px;
  border-bottom: 1px solid rgba(26, 58, 42, 0.08);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--green);
  letter-spacing: -0.5px;
}
.nav-tagline {
  font-size: 13px;
  color: var(--ink-light);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.nav-demo-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--green-mid);
  text-decoration: none;
  padding: 8px 16px;
  border: 1.5px solid var(--green-mid);
  border-radius: 8px;
  transition: all 0.2s;
}
.nav-demo-link:hover {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

/* === HERO === */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 40px 100px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-mid) 60%, var(--green-light) 100%);
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: var(--amber);
  border-radius: 50%;
  opacity: 0.08;
  filter: blur(80px);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
}
.hero-overline {
  color: var(--amber);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-headline {
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -2px;
  line-height: 1.08;
}
.hero-sub {
  font-size: 19px;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin-bottom: 48px;
  font-weight: 400;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--amber);
}
.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.stat-sep {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* === SHARED SECTION === */
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 14px;
}

/* === WHO === */
.who { padding: 90px 40px; background: var(--bg-warm); }
.who-inner { max-width: 1100px; margin: 0 auto; }
.who-headline {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--green);
  max-width: 600px;
  margin-bottom: 52px;
  letter-spacing: -1px;
}
.who-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.who-card {
  background: var(--white);
  border: 1px solid rgba(26, 58, 42, 0.1);
  border-radius: 16px;
  padding: 32px;
}
.who-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}
.who-card p {
  font-size: 15px;
  color: var(--ink-mid);
  line-height: 1.65;
}

/* === FEATURES === */
.features { padding: 90px 40px; }
.features-inner { max-width: 1100px; margin: 0 auto; }
.features-headline {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--green);
  max-width: 640px;
  margin-bottom: 56px;
  letter-spacing: -1px;
}
.features-list { display: flex; flex-direction: column; gap: 0; }
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(26, 58, 42, 0.08);
}
.feature-item:first-child { border-top: 1px solid rgba(26, 58, 42, 0.08); }
.feature-num {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--amber-dim);
  background: var(--amber);
  background: rgba(245, 166, 35, 0.12);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  flex-shrink: 0;
}
.feature-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.feature-body p {
  font-size: 16px;
  color: var(--ink-mid);
  line-height: 1.65;
  max-width: 620px;
}

/* === STACK === */
.stack { padding: 90px 40px; background: var(--green); }
.stack-inner { max-width: 1100px; margin: 0 auto; }
.stack .section-label { color: rgba(245, 166, 35, 0.7); }
.stack-headline {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  color: var(--white);
  max-width: 600px;
  margin-bottom: 48px;
  letter-spacing: -0.5px;
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.stack-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 28px;
}
.stack-card h4 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.stack-card p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; }
.stack-cost {
  font-size: 15px;
  color: var(--amber);
  font-weight: 500;
}

/* === CLOSING === */
.closing { padding: 100px 40px; background: var(--bg); }
.closing-inner { max-width: 780px; margin: 0 auto; text-align: center; }
.closing-accent {
  width: 48px;
  height: 4px;
  background: var(--amber);
  border-radius: 2px;
  margin: 0 auto 36px;
}
.closing-headline {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 700;
  color: var(--green);
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 18px;
  color: var(--ink-mid);
  line-height: 1.7;
}

/* === FOOTER === */
.footer { padding: 36px 40px; border-top: 1px solid rgba(26, 58, 42, 0.08); }
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  color: var(--green);
}
.footer-copy { font-size: 13px; color: var(--ink-light); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 60px 24px 80px; }
  .hero-stats { gap: 20px; }
  .stat-sep { display: none; }
  .who, .features, .stack, .closing { padding: 64px 24px; }
  .who-grid, .stack-grid { grid-template-columns: 1fr; }
  .feature-item { gap: 16px; }
  .footer { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero-headline { font-size: 36px; }
  .features-headline, .who-headline, .stack-headline, .closing-headline { font-size: 26px; }
}