:root {
  --bg: #f6f8fb;
  --bg-alt: #edf2f8;
  --surface: #ffffff;
  --line: #e1e6ec;
  --fg: #12161c;
  --muted: #545e6a;
  --accent: #2f6fb0;
  --accent-hover: #285f98;
  --accent-soft: #e2ecf7;
  --accent-fg: #ffffff;
  --glow: rgba(47, 111, 176, 0.18);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1014;
    --bg-alt: #12171d;
    --surface: #171b21;
    --line: #262c34;
    --fg: #eef1f4;
    --muted: #a2abb6;
    --accent: #7db3e6;
    --accent-hover: #95c2ec;
    --accent-soft: #1a2a3b;
    --accent-fg: #0b1622;
    --glow: rgba(125, 179, 230, 0.16);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
h1, h2, h3 { text-wrap: balance; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

/* Header */

header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
}

header.site .bar { height: 68px; }

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-weight: 750;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.logo img { border-radius: 9px; background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12); }

nav { display: flex; align-items: center; gap: 26px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
nav a:hover, nav a[aria-current="page"] { color: var(--fg); }

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 650;
  text-decoration: none;
  box-shadow: 0 8px 24px var(--glow);
  transition: background 0.15s ease, transform 0.15s ease;
}

.btn:hover { background: var(--accent-hover); transform: translateY(-1px); }

nav .btn.btn-small { padding: 9px 18px; font-size: 14.5px; color: var(--accent-fg); box-shadow: none; }

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn-ghost:hover { background: var(--surface); }

.eyebrow {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13.5px;
  font-weight: 650;
  letter-spacing: 0.01em;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 56px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto 40%;
  height: 700px;
  background: radial-gradient(closest-side, var(--glow), transparent);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}

.hero h1 {
  font-size: clamp(40px, 5.6vw, 66px);
  line-height: 1.03;
  letter-spacing: -0.04em;
  margin: 20px 0 20px;
}

.hero h1 em { font-style: normal; color: var(--accent); }

.lead { font-size: 20px; color: var(--muted); max-width: 540px; margin: 0 0 32px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.hero-art { display: flex; justify-content: center; }
.hero-art img { width: min(440px, 100%); }

/* How it works */

.how { padding: 56px 0 72px; }

.section-title {
  font-size: clamp(30px, 3.6vw, 40px);
  letter-spacing: -0.03em;
  text-align: center;
  margin: 0 0 36px;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.steps li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
}

.num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  margin-bottom: 14px;
}

.steps h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -0.01em; }
.steps p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* Features */

.features { background: var(--bg-alt); padding: 40px 0; }

.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
  padding: 48px 0;
}

.feature + .feature { border-top: 1px solid var(--line); }

.feature.reverse .feature-copy { order: 2; }

.feature h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 16px 0 14px;
}

.feature-copy > p { color: var(--muted); font-size: 18px; margin: 0 0 20px; max-width: 500px; }

.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }

.checks li { position: relative; padding-left: 32px; font-weight: 500; }

.checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.feature-art { display: flex; justify-content: center; }
.feature-art img { width: min(400px, 100%); }
.feature-art.wide img { width: 100%; max-width: 620px; }

/* Closing call to action */

.closing { padding: 88px 0; }

.closing-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.closing-card img { border-radius: 16px; background: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12); margin-bottom: 20px; }
.closing-card h2 { font-size: clamp(32px, 4vw, 46px); letter-spacing: -0.035em; margin: 0 0 8px; }
.closing-card p { color: var(--muted); font-size: 19px; margin: 0 0 28px; }

/* Privacy policy page */

.doc { max-width: 740px; padding-top: 24px; padding-bottom: 72px; }
.doc h1 { font-size: clamp(36px, 5vw, 48px); letter-spacing: -0.035em; margin: 32px 0 4px; }
.doc h2 { font-size: 22px; letter-spacing: -0.01em; margin: 40px 0 8px; }
.doc .updated { color: var(--muted); margin: 0 0 28px; }
.doc li { margin-bottom: 6px; }
.doc code { font-size: 0.9em; background: var(--accent-soft); padding: 1px 6px; border-radius: 6px; }

.callout {
  background: var(--accent-soft);
  border-radius: 16px;
  padding: 18px 22px;
  font-weight: 550;
}

/* Footer */

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14.5px;
}

footer a { color: inherit; }

/* Responsive */

@media (max-width: 900px) {
  .hero { padding-top: 48px; }
  .hero-grid, .feature { grid-template-columns: 1fr; gap: 32px; }
  .hero-copy { text-align: center; }
  .lead { margin-left: auto; margin-right: auto; }
  .actions, .trust { justify-content: center; }
  .feature.reverse .feature-copy { order: 0; }
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  nav a:not(.btn) { display: none; }
  .steps { grid-template-columns: 1fr; }
  .feature { padding: 36px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}