:root {
  --ink: #0f172a;
  --ink-soft: #334155;
  --paper: #ffffff;
  --paper-tint: #f1f5f9;
  --line: #e2e8f0;
  --accent: #0f9d8f;
  --accent-dark: #0b7d72;
  --navy: #0b1220;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }

a { color: inherit; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  transition: opacity 0.15s ease;
}
.btn:hover { opacity: 0.85; }

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

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
}
.wordmark span { color: var(--accent-dark); }

/* Hero */
.hero {
  background: var(--navy);
  color: #f8fafc;
  padding: 96px 0 88px;
}
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 18px;
}
.hero h1 {
  font-size: 2.5rem;
  margin: 0 0 22px;
  max-width: 15ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero .lede {
  font-size: 1.15rem;
  color: #cbd5e1;
  max-width: 56ch;
  margin: 0 0 34px;
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* Sections */
.section { padding: 72px 0; }
.section h2 { font-size: 1.75rem; margin: 0 0 20px; }
.section p { color: var(--ink-soft); font-size: 1.05rem; max-width: 68ch; }
.section-note { font-size: 0.9rem; color: #64748b; margin-top: -8px; }

.problem { background: var(--paper-tint); }

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
}
.card h3 { font-size: 1.05rem; margin: 0 0 10px; }
.card p { margin: 0; font-size: 0.98rem; }

.roadmap-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.roadmap-list li {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
}
.roadmap-list strong { display: block; font-size: 1.05rem; margin-bottom: 4px; }
.roadmap-list span { color: var(--ink-soft); font-size: 0.98rem; }

.cta-final {
  background: var(--navy);
  color: #f8fafc;
  text-align: center;
}
.cta-final .wrap { display: flex; flex-direction: column; align-items: center; }
.cta-final p { color: #cbd5e1; max-width: 52ch; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}
.site-footer p {
  color: #64748b;
  font-size: 0.85rem;
  margin: 0;
}

@media (max-width: 640px) {
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 1.9rem; }
  .grid { grid-template-columns: 1fr; }
}