/* ===== TOKENS ===== */
:root {
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --fg: #111827;
  --fg-muted: #6B7280;
  --accent: #E63946;
  --accent-dark: #C1121F;
  --green: #1B4332;
  --green-light: #2D6A4F;
  --green-pale: #D8F3DC;
  --border: #E5E7EB;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAV ===== */
.nav { padding: 20px 40px; border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1100px; margin: 0 auto; }
.nav-logo { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--green); letter-spacing: -0.02em; }

/* ===== HERO ===== */
.hero { padding: 80px 40px 60px; }
.hero-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-headline { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 700; color: var(--green); line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 20px; }
.hero-sub { font-size: 1.05rem; color: var(--fg-muted); max-width: 460px; line-height: 1.7; }

/* Inbox preview widget */
.inbox-preview { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; box-shadow: 0 4px 24px rgba(0,0,0,0.07); }
.inbox-header { background: var(--green); color: white; padding: 14px 20px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.inbox-thread { padding: 0; }
.email-item { padding: 14px 20px; border-bottom: 1px solid var(--border); cursor: default; }
.email-item:last-child { border-bottom: none; }
.email-item.starred { background: var(--green-pale); }
.email-from { font-size: 0.85rem; font-weight: 600; color: var(--fg); margin-bottom: 2px; }
.star { color: var(--accent); }
.email-subject { font-size: 0.78rem; color: var(--fg-muted); margin-bottom: 4px; }
.email-preview { font-size: 0.78rem; color: var(--green-light); font-style: italic; }
.inbox-badge { background: var(--accent); color: white; text-align: center; padding: 8px; font-size: 0.75rem; font-weight: 600; }

/* ===== STATS ===== */
.stats { background: var(--green); padding: 50px 40px; }
.stats-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; gap: 0; }
.stat { flex: 1; text-align: center; padding: 0 20px; }
.stat-number { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; color: white; line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.7); line-height: 1.4; }
.stat-divider { width: 1px; height: 60px; background: rgba(255,255,255,0.2); flex-shrink: 0; }

/* ===== HOW IT WORKS ===== */
.howitworks { padding: 80px 40px; }
.hiw-inner { max-width: 1100px; margin: 0 auto; }
.hiw-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.hiw-headline { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; color: var(--green); margin-bottom: 50px; letter-spacing: -0.02em; }
.hiw-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.step { position: relative; }
.step-num { font-family: var(--font-display); font-size: 3rem; font-weight: 900; color: var(--green-pale); line-height: 1; margin-bottom: 16px; }
.step-title { font-size: 1.1rem; font-weight: 600; color: var(--fg); margin-bottom: 10px; }
.step-desc { font-size: 0.95rem; color: var(--fg-muted); line-height: 1.65; }

/* ===== FEATURES ===== */
.features { padding: 60px 40px 80px; background: var(--surface); border-top: 1px solid var(--border); }
.features-inner { max-width: 1100px; margin: 0 auto; }
.features-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 32px; }
.feature-card { padding: 28px; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; }
.feature-icon { color: var(--accent); margin-bottom: 16px; }
.feature-title { font-size: 1rem; font-weight: 600; color: var(--fg); margin-bottom: 8px; }
.feature-desc { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.65; }

/* ===== CLOSING ===== */
.closing { padding: 80px 40px; background: var(--green); }
.closing-inner { max-width: 700px; margin: 0 auto; text-align: center; }
.closing-headline { font-family: var(--font-display); font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 700; color: white; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 20px; }
.closing-body { font-size: 1rem; color: rgba(255,255,255,0.75); line-height: 1.75; }

/* ===== FOOTER ===== */
.footer { padding: 40px 40px; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-logo { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--green); margin-bottom: 6px; }
.footer-tagline { font-size: 0.85rem; color: var(--fg-muted); margin-bottom: 12px; }
.footer-copy { font-size: 0.78rem; color: var(--fg-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .stats-inner { flex-direction: column; gap: 28px; }
  .stat-divider { width: 60px; height: 1px; }
  .hiw-steps { grid-template-columns: 1fr; gap: 32px; }
  .features-row { grid-template-columns: 1fr; }
  .nav, .hero, .howitworks, .features, .closing, .icp-section, .footer { padding-left: 24px; padding-right: 24px; }
  .stats { padding: 40px 24px; }
}

/* ===== ICP FORM ===== */
.icp-section {
  padding: 80px 40px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.icp-section .container {
  max-width: 640px;
  margin: 0 auto;
}

.icp-section h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.icp-section .subtitle {
  color: var(--fg-muted);
  margin-bottom: 36px;
  font-size: 1.05rem;
}

.icp-form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg);
}

.form-group input,
.form-group textarea {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--bg);
  color: var(--fg);
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.btn {
  padding: 14px 28px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.form-result {
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
}

.form-result.success {
  background: var(--green-pale);
  color: var(--green);
  border: 1px solid var(--green-light);
}

.form-result.error {
  background: #FEE2E2;
  color: #991B1B;
  border: 1px solid #FECACA;
}