:root {
  --ink: #142136;
  --text: #141515;
  --muted: #546073;
  --bg: #f9fafb;
  --card: #ffffff;
  --primary: #2563eb;
  --primary-ink: #ffffff;
  --ring: 0 0 0 4px rgba(37, 99, 235, 0.25);
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.05);
  --maxw: 1120px;
}

/* Reset & Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; }
.container { max-width: var(--maxw); margin-inline: auto; padding-inline: 20px; }

/* Skip link */
.skip-link { position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden; }
.skip-link:focus { left: 16px; top: 16px; width:auto; height:auto; padding:10px 14px; background:#fff; border-radius:10px; box-shadow: var(--shadow); z-index: 50; }

/* Header */
header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,.7);
  backdrop-filter: saturate(160%) blur(6px);
  border-bottom: 1px solid rgba(20,33,54,0.06);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display:flex; align-items:center; gap:12px; text-decoration:none; }
.logo-img { height: 40px; width: auto; display:block; }
.brand h1 { font-size: 18px; margin: 0; color: var(--ink); letter-spacing: 0.2px; }
nav ul { display: flex; align-items:center; gap: 18px; list-style: none; margin: 0; padding: 0; }
nav a { text-decoration: none; color: var(--ink); font-weight: 600; font-size: 14px; opacity: .9; }
nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }
.btn { display: inline-flex; align-items:center; justify-content:center; gap:10px; padding: 12px 16px; border-radius: 999px; text-decoration: none; border: 1px solid rgba(20,33,54,0.08); background:#fff; font-weight:700; }
.btn-primary { background: var(--primary); color: var(--primary-ink); border-color: transparent; }
.btn-primary:hover { filter: brightness(1.05); box-shadow: var(--ring); }

/* Hero */
.hero {
  background: radial-gradient(1200px 400px at 50% -150px, rgba(37,99,235,.08), transparent), linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  border-bottom: 1px solid rgba(20,33,54,0.06);
}
.hero-inner { display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; align-items: center; padding: 56px 0 32px; }
.hero h2 { color: var(--ink); font-size: clamp(28px, 4vw, 44px); margin: 0 0 14px; line-height: 1.4; }
.accent { color: var(--primary); }
.hero p { font-size: clamp(16px, 2vw, 18px); color: var(--muted); margin: 0 0 22px; }
.hero .cta-group { display:flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; border: 1px solid rgba(20,33,54,0.06);
}

/* Sections */
section { padding: 56px 0; }
.section-title { color: var(--ink); font-size: clamp(22px, 2.8vw, 30px); margin: 0 0 8px; }
.section-sub { color: var(--muted); margin: 0 0 28px; }

/* Two-column text */
.intro { display:grid; grid-template-columns: 1fr 1fr; gap: 28px; }

/* Features */
.features { display:grid; gap: 16px; grid-template-columns: repeat(12, 1fr); }
.feature {
  grid-column: span 6; background: var(--card); border: 1px solid rgba(20,33,54,0.06);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; display:flex; gap: 14px; align-items:flex-start;
}
.feature-icon { width: 36px; height: 36px; border-radius: 10px; display:grid; place-items:center; background: #eef2ff; flex: 0 0 36px; }
.feature h3 { margin: 0 0 6px; font-size: 18px; color: var(--ink); }
.feature p { margin: 0; color: var(--text); opacity: .9; font-size: 15px; }

/* Trust/Legal card (if used) */
.trust {
  background: var(--card); border: 1px solid rgba(20,33,54,0.06); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px;
}

/* About / Contact */
.about { display:grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.contact a { color: var(--primary); text-decoration: none; }
.contact a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Footer */
footer { border-top: 1px solid rgba(20,33,54,0.06); background:#fff; }
.foot { display:flex; gap: 16px; align-items:center; justify-content:space-between; padding: 18px 0; font-size: 14px; color: var(--muted); flex-wrap: wrap; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }

/* Hero art */
.hero-art { display:flex; justify-content:center; }
.hero-art img { width: 100%; max-width: 440px; height: auto; background: transparent; border: none; box-shadow: none; border-radius: 0; display:block; filter: drop-shadow(0 10px 30px rgba(0,0,0,.06)); }

/* Anchor offset for sticky header */
.anchor-offset { scroll-margin-top: 90px; }

/* Mobile nav */
.menu-toggle { display:none; background:#fff; border:1px solid rgba(20,33,54,0.12); padding:8px 12px; border-radius:10px; font-weight:700; }
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .intro, .about { grid-template-columns: 1fr; }
  .feature { grid-column: span 12; }
  nav ul { display: none; position: absolute; top: 64px; right: 20px; left: 20px; background:#fff; border:1px solid rgba(20,33,54,0.08); border-radius: 14px; box-shadow: var(--shadow); padding: 12px; }
  nav ul li { padding: 6px 4px; }
  .menu-toggle { display:inline-flex; }
  .nav.open nav ul { display: flex; flex-direction: column; gap: 8px; }
}