/* Meridian — AI CFO landing page styles */

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

:root {
  --amber: #f59e0b;
  --amber-dark: #d97706;
  --dark: #0f0f11;
  --dark-2: #1a1a1f;
  --dark-3: #242429;
  --border: rgba(255,255,255,0.08);
  --text: #f0f0f0;
  --muted: #9ca3af;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Nav ─────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(15,15,17,0.92);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--amber);
}
.nav-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  background: var(--amber);
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--amber-dark); }

/* ── Hero ────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 24px;
}
.hero-title br { display: block; }
.hero-sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

/* ── Capture form ────────────────────── */
.capture-form {
  max-width: 480px;
  margin: 0 auto;
}
.capture-form-center {
  text-align: center;
}
.capture-row {
  display: flex;
  gap: 8px;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px;
}
.capture-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 15px;
  color: var(--text);
  padding: 8px 10px;
  min-width: 0;
}
.capture-input::placeholder { color: #6b7280; }
.capture-btn {
  flex-shrink: 0;
  background: var(--amber);
  color: #0f0f11;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.capture-btn:hover:not(:disabled) { background: var(--amber-dark); }
.capture-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.capture-hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
  text-align: center;
}
.capture-success {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: #10b981;
  font-weight: 500;
  margin-top: 12px;
  padding: 12px 16px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 8px;
}
.capture-error {
  font-size: 13px;
  color: #f87171;
  margin-top: 10px;
  text-align: center;
  padding: 8px 12px;
  background: rgba(248,113,113,0.08);
  border-radius: 6px;
}

/* ── Problem section ─────────────────── */
.problem {
  padding: 72px 0;
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.problem-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  margin-bottom: 36px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (min-width: 640px) {
  .problem-grid { grid-template-columns: repeat(4, 1fr); }
}
.problem-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}
.problem-icon { font-size: 28px; display: block; margin-bottom: 12px; }
.problem-card p { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* ── How it works ────────────────────── */
.how { padding: 88px 0; }
.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.8px;
  margin-bottom: 48px;
  text-align: center;
}
.how-grid {
  display: grid;
  gap: 32px;
}
@media (min-width: 720px) {
  .how-grid { grid-template-columns: repeat(3, 1fr); }
}
.how-step {
  border-left: 2px solid var(--amber);
  padding-left: 20px;
}
.step-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 10px;
}
.how-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}
.how-step p { font-size: 14px; color: var(--muted); }

/* ── Features ────────────────────────── */
.features {
  padding: 88px 0;
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.feature-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 720px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}
.feature-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(245,158,11,0.3); }
.feature-icon { font-size: 26px; margin-bottom: 14px; display: block; }
.feature-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--muted); line-height: 1.55; }

/* ── Social proof ────────────────────── */
.proof { padding: 88px 0; }
.proof-grid {
  display: grid;
  gap: 20px;
}
@media (min-width: 720px) {
  .proof-grid { grid-template-columns: repeat(3, 1fr); }
}
.proof-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.proof-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 16px;
  font-style: italic;
}
.proof-card cite {
  font-size: 12px;
  color: var(--muted);
  font-style: normal;
}

/* ── Bottom capture ──────────────────── */
.capture {
  padding: 96px 0;
  text-align: center;
}
.capture-title {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.capture-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

/* ── Footer ──────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
}
.footer .logo { display: block; margin-bottom: 10px; }
.footer-copy { font-size: 12px; color: #6b7280; }