:root {
  --bg: #F6F7FB;
  --card: #FFFFFF;
  --ink: #141A33;
  --sub: #5A6178;
  --line: #E4E7EF;
  --indigo: #5B5BF7;
  --teal: #0F766E;
  --gold: #FBBF24;
  --radius: 22px;
  --shadow: 0 8px 28px rgba(20, 26, 51, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 17px; }
a { color: var(--indigo); }
img { max-width: 100%; display: block; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(246, 247, 251, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.nav-links { display: flex; gap: 22px; }
.nav-links a { color: var(--sub); font-weight: 700; text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--ink); }

.hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(135deg, var(--indigo) 0%, #3B4FC9 45%, var(--teal) 100%); }
.hero::after { content: ""; position: absolute; right: -140px; top: -160px; width: 520px; height: 520px; border-radius: 50%; border: 2px solid rgba(255,255,255,.12); }
.hero .wrap { padding-top: 96px; padding-bottom: 104px; position: relative; z-index: 1; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 13px; font-weight: 800; opacity: .85; margin: 0 0 14px; }
.hero h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.04; letter-spacing: -0.03em; margin: 0; font-weight: 900; max-width: 760px; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p.lead { font-size: 20px; max-width: 620px; margin: 22px 0 0; opacity: .92; }

section { padding: 80px 0; }
h2 { font-size: clamp(28px, 4vw, 38px); letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 12px; }
.section-lead { color: var(--sub); max-width: 640px; margin: 0 0 36px; }

.apps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.app { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; display: flex; flex-direction: column; gap: 14px; border: 1px solid var(--line); }
.app-head { display: flex; align-items: center; gap: 16px; }
.app-head img { width: 72px; height: 72px; border-radius: 17px; }
.app h3 { margin: 0; font-size: 24px; letter-spacing: -0.01em; }
.app .ages { font-size: 14px; font-weight: 700; color: var(--sub); }
.app p { margin: 0; color: var(--sub); }
.app .more { margin-top: auto; font-weight: 800; text-decoration: none; }
.app .more:hover { text-decoration: underline; }
.tag { align-self: flex-start; display: inline-block; font-size: 12px; font-weight: 800; padding: 4px 10px; border-radius: 999px; background: #FEF3C7; color: #92400E; }

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value { background: var(--card); border-radius: var(--radius); padding: 24px; border: 1px solid var(--line); }
.value .e { font-size: 30px; }
.value h3 { margin: 8px 0 6px; font-size: 19px; }
.value p { margin: 0; color: var(--sub); font-size: 16px; }

.contact { background: var(--ink); color: #fff; border-radius: 28px; padding: 44px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.contact h2 { color: #fff; margin: 0 0 6px; }
.contact p { margin: 0; color: #C9CEE0; }
.btn { display: inline-block; background: var(--gold); color: var(--ink); font-weight: 900; text-decoration: none; padding: 14px 22px; border-radius: 14px; }

.doc { max-width: 760px; margin: 0 auto; padding: 56px 20px 80px; }
.doc h1 { font-size: 40px; letter-spacing: -0.02em; margin: 0 0 6px; }
.doc .updated { color: var(--sub); margin: 0 0 28px; }
.doc h2 { font-size: 24px; margin: 36px 0 8px; }
.callout { background: #EEF0FF; border-radius: 16px; padding: 18px 20px; }

footer { border-top: 1px solid var(--line); padding: 32px 0 44px; color: var(--sub); font-size: 15px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
footer nav { display: flex; gap: 20px; }
footer a { color: var(--sub); font-weight: 700; text-decoration: none; }
footer a:hover { color: var(--ink); }

@media (max-width: 820px) {
  .apps, .values { grid-template-columns: 1fr; }
  .contact { padding: 30px; }
  .nav-links { gap: 14px; }
}