:root {
  color-scheme: light dark;
  --ink: #171422;
  --muted: #655f72;
  --paper: #fffdf9;
  --card: rgba(255, 255, 255, 0.72);
  --line: rgba(42, 28, 67, 0.12);
  --violet: #6941c6;
  --violet-deep: #47268f;
  --peach: #ffac7b;
  --mint: #73dbc0;
  --shadow: 0 24px 70px rgba(55, 31, 91, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 8% 8%, rgba(255, 172, 123, 0.35), transparent 28rem),
    radial-gradient(circle at 90% 22%, rgba(115, 219, 192, 0.3), transparent 30rem),
    var(--paper);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, sans-serif;
}
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 24px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 750; }
.mark {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(145deg, #815ae1, #5632b0); color: white; box-shadow: 0 9px 22px rgba(88, 50, 176, 0.25);
  font-family: ui-serif, Georgia, serif; font-size: 20px;
}
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 14px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 20px;
  border: 1px solid var(--line); border-radius: 15px; text-decoration: none; font-weight: 700; background: var(--card);
}
.button.primary { color: white; border-color: transparent; background: linear-gradient(135deg, var(--violet), var(--violet-deep)); box-shadow: 0 12px 30px rgba(71, 38, 143, 0.25); }
.hero { display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; padding: 76px 0 92px; }
.eyebrow { margin: 0 0 16px; color: var(--violet); font-size: 13px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
h1 { max-width: 720px; margin: 0; font-size: clamp(48px, 7vw, 86px); line-height: .98; letter-spacing: -.055em; }
.lead { max-width: 630px; margin: 26px 0 30px; color: var(--muted); font-size: clamp(19px, 2.2vw, 24px); line-height: 1.45; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.fine { margin-top: 14px; color: var(--muted); font-size: 13px; }
.phone {
  position: relative; max-width: 390px; margin: auto; padding: 14px; border-radius: 52px; background: #141218;
  border: 1px solid rgba(255,255,255,.2); box-shadow: var(--shadow); transform: rotate(2deg);
}
.screen { overflow: hidden; min-height: 640px; border-radius: 40px; padding: 54px 18px 22px; background: linear-gradient(180deg, #f8f5fc, #eae5f2); }
.island { position: absolute; top: 26px; left: 50%; width: 118px; height: 30px; border-radius: 20px; background: #050506; transform: translateX(-50%); }
.message { width: 84%; margin: 40px 0 70px auto; padding: 14px 16px; border-radius: 20px 20px 6px 20px; background: #2b7fff; color: white; font-size: 14px; }
.keyboard { margin: 0 -18px -22px; padding: 16px 14px 28px; background: rgba(220, 216, 226, .94); }
.keyboard-title { display: flex; justify-content: space-between; margin-bottom: 12px; padding: 0 4px; color: #55505d; font-size: 12px; font-weight: 700; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 10px 13px; border-radius: 12px; background: rgba(255,255,255,.88); box-shadow: 0 2px 4px rgba(30,20,40,.08); font-size: 12px; font-weight: 650; }
.chip.active { background: var(--violet); color: white; }
.section { padding: 88px 0; }
.section h2 { max-width: 720px; margin: 0 0 16px; font-size: clamp(36px, 5vw, 56px); line-height: 1.04; letter-spacing: -.04em; }
.section-intro { max-width: 650px; margin: 0 0 38px; color: var(--muted); font-size: 19px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { min-height: 230px; padding: 26px; border: 1px solid var(--line); border-radius: 28px; background: var(--card); backdrop-filter: blur(18px); box-shadow: 0 14px 36px rgba(55,31,91,.07); }
.card-icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 36px; border-radius: 15px; background: #eee7ff; color: var(--violet); font-size: 22px; }
.card h3 { margin: 0 0 9px; font-size: 21px; }
.card p { margin: 0; color: var(--muted); }
.privacy { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; padding: 54px; border-radius: 36px; background: #1d1826; color: white; }
.privacy h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); line-height: 1.05; }
.privacy p, .privacy li { color: #c9c2d3; }
.privacy ul { margin: 0; padding-left: 20px; }
.footer { display: flex; justify-content: space-between; gap: 24px; padding: 50px 0; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.legal { max-width: 760px; padding: 70px 0 100px; }
.legal h1 { font-size: clamp(42px, 7vw, 68px); }
.legal h2 { margin-top: 44px; font-size: 25px; }
.legal p, .legal li { color: var(--muted); }
.legal .updated { margin-top: 16px; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .phone { width: min(390px, 94%); }
  .grid { grid-template-columns: 1fr; }
  .privacy { grid-template-columns: 1fr; padding: 34px 26px; }
}
@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1120px); }
  .nav-links a:not(.button) { display: none; }
  .hero { gap: 48px; padding-bottom: 64px; }
  h1 { font-size: 49px; }
  .screen { min-height: 560px; }
  .footer { flex-direction: column; }
}
@media (prefers-reduced-motion: no-preference) {
  .button { transition: transform .18s ease, box-shadow .18s ease; }
  .button:hover { transform: translateY(-2px); }
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #f6f2fa; --muted: #aaa3b4; --paper: #100d15; --card: rgba(35,30,42,.76); --line: rgba(255,255,255,.11); }
  body { background: radial-gradient(circle at 8% 8%, rgba(154,82,59,.35), transparent 28rem), radial-gradient(circle at 90% 22%, rgba(32,110,90,.28), transparent 30rem), var(--paper); }
  .screen { background: linear-gradient(180deg, #312c39, #201c27); }
  .keyboard { background: rgba(47,43,51,.96); }
  .chip { color: #1a171e; }
  .card-icon { background: #3b2c5d; }
}