/* ---------- Base ---------- */
* { box-sizing: border-box; }
:root {
  --ink: #14161a;
  --ink-soft: #4b5160;
  --muted: #6b7280;
  --line: #e6e8ec;
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --brand: #2d6cdf;
  --brand-dark: #1a3f8f;
  --brand-soft: #eaf0fd;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 22, 26, 0.08);
  --shadow-lg: 0 30px 70px rgba(20, 22, 26, 0.18);
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 400 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 14px; letter-spacing: -0.01em; }
p { margin: 0 0 16px; color: var(--ink-soft); }
a { color: inherit; }

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--brand);
  margin: 0 0 10px;
}
.eyebrow.center { text-align: center; }
h2.center { text-align: center; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-sm { padding: 8px 16px; font-size: 13.5px; }
.btn-lg { padding: 14px 26px; font-size: 15.5px; box-shadow: var(--shadow); }
.btn-lg:hover { transform: translateY(-1px); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 15.5px;
  text-decoration: none;
  color: var(--ink);
  margin-right: auto;
}
.brand img { border-radius: 7px; }
.nav-links {
  display: flex;
  gap: 22px;
}
.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 600;
}
.nav-links a:hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1100px 480px at 15% -10%, #eaf0fd 0%, rgba(234,240,253,0) 60%),
    linear-gradient(180deg, #fff 0%, #fff 100%);
  padding: 88px 0 40px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: 44px;
  max-width: 560px;
}
.hero-sub {
  font-size: 17.5px;
  max-width: 500px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.hero-note {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}
.hero-art img {
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
}

/* ---------- Pain points ---------- */
.pain-points { padding: 20px 0 80px; }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pain-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.pain-icon { font-size: 26px; margin-bottom: 10px; }
.pain-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.pain-card p { font-size: 14.5px; margin: 0; }

/* ---------- Feature rows ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 68px 0;
  border-top: 1px solid var(--line);
}
.feature-row.reverse .feature-copy { order: 2; }
.feature-row.reverse .feature-art { order: 1; }
.feature-copy h2 { font-size: 28px; }
.feature-copy p { font-size: 15.5px; }
.feature-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-list li {
  font-size: 14.5px;
  color: var(--ink-soft);
  padding-left: 26px;
  position: relative;
}
.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--brand);
  font-weight: 800;
}
.feature-art img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

/* ---------- How it works ---------- */
.how { background: var(--bg-soft); padding: 80px 0; }
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
}
.how-step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.how-num {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.how-step h3 { font-size: 16.5px; }
.how-step p { font-size: 14.5px; margin: 0; }

/* ---------- Privacy ---------- */
.privacy { padding: 80px 0; }
.privacy-inner {
  max-width: 640px;
  text-align: center;
  margin: 0 auto;
}
.privacy h2 { font-size: 26px; }
.privacy p { font-size: 15.5px; }

/* ---------- CTA footer ---------- */
.cta-footer {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  padding: 76px 0;
}
.cta-inner { text-align: center; }
.cta-footer h2 { color: #fff; font-size: 28px; max-width: 520px; margin: 0 auto 24px; }
.cta-footer .btn-primary { background: #fff; color: var(--brand-dark); }
.cta-footer .btn-primary:hover { background: #eef2fb; }
.cta-footer .hero-note { color: rgba(255,255,255,0.75); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}
.footer-sep { opacity: 0.5; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { padding: 56px 0 32px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero h1 { font-size: 32px; }
  .pain-grid { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: 28px; padding: 48px 0; }
  .feature-row.reverse .feature-copy,
  .feature-row.reverse .feature-art { order: initial; }
  .how-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}