:root {
  --bg: #f5f5f7; --card: #fff; --text: #1d1d1f; --muted: #6e6e73;
  --sep: rgba(0,0,0,.08); --fill: rgba(120,120,128,.12);
  --accent: #ff6a13; --accent-2: #ff9f43;
  --green: #34c759; --orange: #ff9500; --red: #ff3b30; --blue: #007aff;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 10px 30px rgba(0,0,0,.06);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000; --card: #1c1c1e; --text: #f5f5f7; --muted: #98989d;
    --sep: rgba(255,255,255,.1); --fill: rgba(120,120,128,.24);
    --accent: #ff7a2e; --accent-2: #ffab5e;
    --green: #30d158; --orange: #ff9f0a; --red: #ff453a; --blue: #0a84ff;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text); min-height: 100vh;
  font: 17px/1.47 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
body::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 620px; z-index: -1; pointer-events: none;
  background: radial-gradient(55% 70% at 50% 0%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 72%);
}
a { color: var(--accent); }
.container { max-width: 980px; margin: 0 auto; padding: 0 16px; }

.nav { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: inherit; text-decoration: none; }
.nav .link { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav .link:hover { color: var(--text); }
.logo {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; color: #fff; flex: none;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
}
.logo svg { width: 19px; height: 19px; }
.logo.big { width: 92px; height: 92px; border-radius: 24px; margin: 0 auto 28px; box-shadow: 0 14px 36px color-mix(in srgb, var(--accent) 38%, transparent); }
.logo.big svg { width: 56px; height: 56px; }

.hero { text-align: center; padding: 64px 0 48px; }
h1 { font-size: clamp(42px, 9vw, 76px); line-height: 1.03; letter-spacing: -.035em; margin: 0; font-weight: 700; }
.lead { font-size: clamp(19px, 2.8vw, 24px); line-height: 1.35; color: var(--muted); max-width: 580px; margin: 18px auto 34px; }
.code-form { display: flex; gap: 6px; max-width: 430px; margin: 0 auto; padding: 6px; background: var(--card); border-radius: 999px; box-shadow: var(--shadow); }
.code-form input { flex: 1; min-width: 0; border: 0; background: none; outline: none; font: inherit; color: var(--text); padding: 0 8px 0 18px; }
.code-form input::placeholder { color: var(--muted); }
.hint { color: var(--muted); font-size: 14px; margin: 14px auto 0; max-width: 430px; }
.center { text-align: center; }
.buy { margin: 22px 0 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 999px; padding: 12px 22px; cursor: pointer; text-decoration: none;
  background: var(--accent); color: #fff; font: inherit; font-size: 16px; font-weight: 600;
  transition: transform .25s cubic-bezier(.3,1.5,.5,1), filter .2s;
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: scale(.97); }
.btn.secondary { background: var(--fill); color: var(--text); }

section { padding: 44px 0; }
h2 { font-size: clamp(28px, 5vw, 40px); line-height: 1.1; letter-spacing: -.025em; margin: 0 0 10px; text-align: center; }
.sub { color: var(--muted); text-align: center; max-width: 560px; margin: 0 auto 32px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card { background: var(--card); border-radius: 22px; padding: 24px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 6px; font-size: 19px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.45; }
.icon { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; color: #fff; margin-bottom: 16px; }
.icon svg { width: 23px; height: 23px; }
.num { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--fill); font-weight: 600; font-size: 15px; margin-bottom: 14px; }
.links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip { background: var(--fill); color: var(--text); text-decoration: none; font-size: 14px; padding: 6px 13px; border-radius: 999px; }
.chip:hover { filter: brightness(.95); }
.tag { font-size: 12px; font-weight: 600; color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); padding: 3px 9px; border-radius: 999px; margin-left: 6px; vertical-align: 3px; }
footer { color: var(--muted); font-size: 13px; text-align: center; padding: 36px 16px 48px; }

/* личный кабинет */
.me { max-width: 540px; margin: 0 auto; padding: 8px 0 24px; }
.me-head { text-align: center; padding: 28px 0 24px; }
.me-head h1 { font-size: clamp(32px, 7vw, 44px); }
.pill { display: inline-flex; align-items: center; gap: 7px; margin-top: 12px; padding: 6px 13px; border-radius: 999px; font-size: 14px; font-weight: 600; }
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.pill.ok { color: var(--green); background: color-mix(in srgb, var(--green) 15%, transparent); }
.pill.warn { color: var(--orange); background: color-mix(in srgb, var(--orange) 15%, transparent); }
.pill.bad { color: var(--red); background: color-mix(in srgb, var(--red) 15%, transparent); }
.label { color: var(--muted); font-size: 14px; font-weight: 500; }
.big-num { font-size: 44px; font-weight: 700; letter-spacing: -.03em; line-height: 1.1; font-variant-numeric: tabular-nums; margin: 2px 0 4px; }
.muted { color: var(--muted); font-size: 15px; }
.bar { height: 8px; border-radius: 4px; background: var(--fill); overflow: hidden; margin: 12px 0 8px; }
.bar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }
.rows { margin-top: 18px; }
.rows > div { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--sep); font-size: 16px; }
.rows b { font-weight: 500; text-align: right; font-variant-numeric: tabular-nums; }
.rows span { color: var(--muted); }
.me h2 { text-align: left; font-size: 22px; margin: 32px 4px 12px; }
.add { display: grid; gap: 10px; }
.add .btn { width: 100%; padding: 14px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.qr-box { display: flex; gap: 16px; align-items: center; margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--sep); }
.qr-box .code { background: #fff; border-radius: 14px; padding: 8px; width: 124px; height: 124px; flex: none; }
.qr-box .code svg { width: 100%; height: 100%; display: block; }
.qr-box p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.alert { margin-top: 16px; padding: 16px 18px; border-radius: 16px; font-size: 15px; background: color-mix(in srgb, var(--red) 12%, transparent); }

.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 16px); background: rgba(28,28,30,.92); color: #fff; padding: 10px 18px; border-radius: 999px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .3s cubic-bezier(.2,1.2,.3,1); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 480px) {
  .hero { padding: 40px 0 32px; }
  .code-form .btn { padding: 11px 16px; }
  .qr-box .code { width: 104px; height: 104px; }
}