:root {
  --bg: #f8f8fc; --card: #ffffff; --ink: #111318; --ink-2: #3b3f4a; --muted: #6a6f7c; --line: #e6e6ef;
  --blue: #1a73f0; --blue-ink: #0f5bd0; --lav: #efe9fb; --lav-2: #e3d8f7;
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-ink); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(248, 248, 252, .86); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--ink); letter-spacing: -0.01em; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav nav { display: flex; gap: 22px; font-size: 15px; }
.nav nav a { color: var(--ink-2); }
.nav nav a:hover, .nav nav a[aria-current='page'] { color: var(--blue); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 14px; font-weight: 600; font-size: 16px; }
.btn.store { background: var(--ink); color: #fff; }
.btn.store:hover { background: #000; color: #fff; }
.btn.store svg { width: 20px; height: 20px; }
.btn.ghost { color: var(--ink); border: 1px solid var(--line); background: var(--card); }

.hero { padding: 72px 0 40px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 48px; align-items: center; }
.eyebrow { font-size: 14px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
h1 { font-family: var(--display); font-size: clamp(40px, 6vw, 64px); line-height: 1.04; letter-spacing: -0.03em; margin: 0; font-weight: 700; }
h1 em { font-style: normal; color: var(--blue); }
.lead { font-size: 20px; color: var(--ink-2); margin: 22px 0 30px; max-width: 34ch; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.note { margin-top: 18px; font-size: 14px; color: var(--muted); }
.hero-art { position: relative; }
.hero-art::before { content: ''; position: absolute; inset: 8% 4% 4% 10%; background: linear-gradient(160deg, #dbe8ff, var(--lav-2)); border-radius: 40px; z-index: -1; }

section { padding: 72px 0; }
h2 { font-family: var(--display); font-size: clamp(30px, 4vw, 42px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 14px; font-weight: 700; }
.sub { color: var(--ink-2); max-width: 56ch; margin: 0 0 40px; font-size: 18px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 26px; }
.card h3 { margin: 14px 0 6px; font-size: 19px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--ink-2); font-size: 16px; }
.ic { width: 44px; height: 44px; border-radius: 12px; background: #e8f0fe; color: var(--blue); display: flex; align-items: center; justify-content: center; }
.ic svg { width: 22px; height: 22px; }

.steps { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 48px; align-items: center; }
.steps ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.steps li { display: flex; gap: 16px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px 22px; }
.steps li b { flex: none; width: 32px; height: 32px; border-radius: 50%; background: var(--blue); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 15px; }
.steps li h3 { margin: 2px 0 4px; font-size: 18px; }
.steps li p { margin: 0; color: var(--ink-2); font-size: 16px; }

.privacy { background: var(--ink); color: #fff; border-radius: 28px; padding: 56px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.privacy h2 { color: #fff; }
.privacy p { color: #c9ccd6; margin: 0; }
.privacy ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.privacy li { display: flex; gap: 12px; align-items: center; font-size: 17px; }
.privacy li::before { content: ''; flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/14px no-repeat; }

.contact { text-align: center; }
.contact .card { max-width: 640px; margin: 0 auto; padding: 40px 28px; }
.mail { font-size: 24px; font-weight: 600; letter-spacing: -0.01em; }

.doc { max-width: 760px; padding: 56px 24px 80px; }
.doc h1 { font-size: clamp(36px, 5vw, 52px); margin-bottom: 10px; }
.doc .meta { color: var(--muted); font-size: 15px; margin: 0 0 36px; }
.doc h2 { font-size: 24px; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--ink-2); }
.doc ul { padding-left: 1.2em; }
.doc .box { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px 24px; margin-top: 36px; }

footer { border-top: 1px solid var(--line); padding: 32px 0 44px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--ink-2); }

@media (max-width: 860px) {
  .hero, .steps, .privacy { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-top: 40px; text-align: left; }
  .hero-art { max-width: 420px; margin: 0 auto; }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .privacy { padding: 36px 24px; }
  .nav nav { gap: 14px; font-size: 14px; }
  .nav nav .hide-s { display: none; }
  section { padding: 52px 0; }
}