:root {
  --bg: #fbfbf9;
  --surface: #ffffff;
  --ink: #101828;
  --muted: #5d6676;
  --accent: #0e9f6e;
  --accent-ink: #0b7a55;
  --accent-soft: #e6f6ef;
  --line: #e7e9ee;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 12px 32px -12px rgba(16, 24, 40, 0.12);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

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

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 251, 249, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
.brand svg { display: block; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 15px; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font-size: 15px; font-weight: 600; text-decoration: none;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn-primary { background: var(--ink); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-1px); background: #1c2839; }
.btn-ghost { color: var(--ink); border: 1.5px solid var(--line); background: var(--surface); }
.btn-ghost:hover { border-color: #c9cdd6; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-ink); transform: translateY(-1px); }

/* ---------- Hero ---------- */
.hero { padding: 88px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-soft); color: var(--accent-ink);
  font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 999px;
  margin-bottom: 20px;
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
h1 {
  font-size: clamp(38px, 5vw, 56px);
  line-height: 1.08; letter-spacing: -0.03em; font-weight: 800;
  margin-bottom: 20px;
}
h1 em { font-style: normal; color: var(--accent-ink); }
.lede { font-size: 19px; color: var(--muted); max-width: 34em; margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-note { font-size: 13.5px; color: var(--muted); }
.hero-art { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); padding: 18px; }
.hero-art svg { width: 100%; height: auto; display: block; }

/* ---------- Stat band ---------- */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.stats-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding: 34px 0; text-align: center; }
.stat b { display: block; font-size: 26px; letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 14.5px; }

/* ---------- Sections ---------- */
section { padding: 84px 0; }
.eyebrow { color: var(--accent-ink); font-weight: 700; font-size: 13.5px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }
h2 { font-size: clamp(28px, 3.4vw, 38px); letter-spacing: -0.025em; line-height: 1.15; margin-bottom: 14px; }
.section-lede { color: var(--muted); font-size: 17px; max-width: 42em; margin-bottom: 48px; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.step-num {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--ink); color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.step h3 { font-size: 17px; margin-bottom: 6px; letter-spacing: -0.01em; }
.step p { font-size: 14.5px; color: var(--muted); }

/* ---------- Features ---------- */
#features { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; background: var(--bg); }
.feature .icon {
  width: 42px; height: 42px; border-radius: 12px; background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.feature .icon svg { stroke: var(--accent-ink); }
.feature h3 { font-size: 16.5px; margin-bottom: 6px; letter-spacing: -0.01em; }
.feature p { font-size: 14.5px; color: var(--muted); }

/* ---------- Audience ---------- */
.audience { display: flex; gap: 12px; flex-wrap: wrap; }
.audience span {
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 20px; font-size: 14.5px; font-weight: 500; color: var(--muted);
}

/* ---------- FAQ ---------- */
.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 4px; }
.faq summary {
  cursor: pointer; font-weight: 600; font-size: 16.5px; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--muted); font-weight: 400; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 12px; color: var(--muted); font-size: 15px; max-width: 60ch; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, #0f1c2e 0%, #123a2e 100%);
  color: #fff; border-radius: 28px; padding: 64px 48px; text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, 0.75); max-width: 40em; margin: 0 auto 32px; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--line); padding: 36px 0 44px; margin-top: 84px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-inner p { color: var(--muted); font-size: 14px; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--muted); font-size: 14px; text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

/* ---------- Legal pages ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: 72px 24px 40px; }
.legal h1 { font-size: 34px; margin-bottom: 8px; }
.legal .updated { color: var(--muted); font-size: 14px; margin-bottom: 40px; }
.legal h2 { font-size: 21px; margin: 36px 0 10px; }
.legal p, .legal li { color: #3a4354; font-size: 15.5px; }
.legal ul { padding-left: 22px; margin: 10px 0; }
.legal a { color: var(--accent-ink); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 640px) {
  .hero { padding: 56px 0 48px; }
  section { padding: 60px 0; }
  .steps, .features { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr; gap: 18px; }
  .cta-band { padding: 48px 24px; }
}