/* Лендинг и вход — палитра и типографика utopay.app */
:root {
  --bg: oklch(0.16 0.012 255);
  --surface: oklch(0.19 0.014 255);
  --surface-2: oklch(0.22 0.016 255);
  --border: oklch(0.28 0.02 255);
  --text: oklch(0.95 0.004 255);
  --text-2: oklch(0.80 0.008 255);
  --muted: oklch(0.64 0.015 255);
  --accent: oklch(0.70 0.14 235);
  --accent-hi: oklch(0.78 0.13 235);
  --accent-soft: oklch(0.70 0.14 235 / 0.14);
  --green: oklch(0.72 0.16 155);
  --red: oklch(0.68 0.17 25);
  --on-accent: oklch(0.14 0.01 255);
  --grad: linear-gradient(135deg, #38bdf8, #d946ef);
  --radius: 14px;
  --font-head: 'Manrope', system-ui, sans-serif;
  --font-body: 'Public Sans', system-ui, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font-body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--accent); text-decoration: none; }
h1, h2, h3 { font-family: var(--font-head); letter-spacing: -.02em; line-height: 1.15; }
h1 { font-size: clamp(36px, 6vw, 60px); font-weight: 800; margin: 18px 0; }
h2 { font-size: clamp(26px, 3.5vw, 38px); font-weight: 800; text-align: center; margin: 0 0 14px; }
h3 { font-size: 20px; margin: 14px 0 8px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.center { text-align: center; }
.hl { color: var(--accent); }
.grad-text { background: linear-gradient(90deg, oklch(0.78 0.14 235), oklch(0.72 0.18 300)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.logo { display: flex; align-items: center; gap: 9px; color: var(--text); font: 800 19px var(--font-head); letter-spacing: .02em; }
.logo-mark { width: 30px; height: 30px; background: url(/img/logo-energy.png) center/contain no-repeat; }
.logo sup { font-size: .55em; font-weight: 700; margin-left: 2px; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: 0; }

.site-header { position: sticky; top: 0; z-index: 20; background: oklch(0.16 0.012 255 / .82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.nav { display: flex; gap: 22px; flex: 1; }
.nav a { color: var(--text-2); font-size: 15px; }
.nav a:hover { color: var(--text); }
.actions { display: flex; gap: 8px; align-items: center; margin-left: auto; }
.lang { background: var(--surface); color: var(--text-2); border: 1px solid var(--border); border-radius: 10px; padding: 7px 8px; font: inherit; font-size: 14px; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 13px 22px; border-radius: 12px; font-weight: 600; border: 1px solid transparent; cursor: pointer; font: 600 15px var(--font-body); }
.btn-sm { padding: 8px 14px; font-size: 14px; }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hi); color: var(--on-accent); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }
.btn:disabled { opacity: .6; cursor: default; }

.hero { position: relative; overflow: hidden; padding: 72px 0 80px; }
.blob { position: absolute; border-radius: 50%; pointer-events: none; }
.b1 { top: -140px; right: 6%; width: 620px; height: 620px; background: radial-gradient(circle, #c0602a, transparent 65%); filter: blur(60px); opacity: .45; }
.b2 { bottom: -100px; right: 28%; width: 460px; height: 460px; background: radial-gradient(circle, #1b4a7a, transparent 65%); filter: blur(55px); opacity: .55; }
.b3 { top: 25%; right: 42%; width: 320px; height: 320px; background: radial-gradient(circle, #5a2f7a, transparent 65%); filter: blur(50px); opacity: .4; }
.dots { position: absolute; inset: 0; background-image: radial-gradient(oklch(1 0 0 / .05) 1px, transparent 1px); background-size: 22px 22px; mask-image: linear-gradient(to bottom, #000, transparent); }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.badge { display: inline-flex; gap: 8px; align-items: center; padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); font-size: 14px; color: var(--text-2); }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.lead { font-size: 19px; color: var(--text-2); max-width: 560px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 12px; }
.cta.center { justify-content: center; margin-top: 28px; }
.hero-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 24px; box-shadow: 0 20px 40px oklch(0 0 0 / .35); }
.cmp { margin: 12px 0; }
.cmp div { display: flex; justify-content: space-between; padding: 12px 0; border-top: 1px solid var(--border); font-size: 16px; }
.cmp div:first-child { border-top: 0; }
.cmp b { font-family: var(--font-head); font-size: 18px; }
.strike { text-decoration: line-through; color: var(--red); }
.save { display: flex; align-items: baseline; gap: 10px; border-top: 1px solid var(--border); padding-top: 14px; }
.big { font: 800 40px var(--font-head); }

.section { padding: 64px 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.icon { width: 46px; height: 46px; border-radius: 12px; background: var(--grad); display: grid; place-items: center; font-size: 22px; color: #fff; font-weight: 700; }
.ticks { list-style: none; padding: 0; margin: 14px 0 0; }
.ticks li { padding-left: 26px; position: relative; margin-bottom: 8px; color: var(--text-2); }
.ticks li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }

.prices { width: 100%; border-collapse: collapse; margin: 6px 0 10px; }
.prices td { padding: 11px 0; border-top: 1px solid var(--border); vertical-align: top; }
.prices tr:first-child td { border-top: 0; }
.prices .r { text-align: right; white-space: nowrap; }
.prices b { font-family: var(--font-head); font-size: 17px; }
.prices s { display: block; color: var(--muted); font-size: 13px; }

.steps4 { list-style: none; counter-reset: s; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 26px; }
.steps4 li { counter-increment: s; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 6px; }
.steps4 li::before { content: counter(s); width: 32px; height: 32px; border-radius: 50%; background: var(--grad); color: #fff; font-weight: 800; display: grid; place-items: center; margin-bottom: 6px; }

.partner { display: flex; align-items: center; justify-content: space-between; gap: 24px; background: linear-gradient(135deg, oklch(0.70 0.14 235 / .14), oklch(0.70 0.14 300 / .14)), var(--surface); }
.partner p { margin: 0; max-width: 640px; }

details { border-top: 1px solid var(--border); padding: 16px 0; }
details:first-child { border-top: 0; }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--muted); font-size: 20px; line-height: 1; }
details[open] summary::after { content: '−'; }
details p { color: var(--text-2); margin: 10px 0 0; }

.footer { border-top: 1px solid var(--border); padding: 28px 0; margin-top: 30px; }
.footer .wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: space-between; }

/* Вход */
.auth { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 40px 16px; position: relative; overflow: hidden; }
.auth .card { width: 100%; max-width: 420px; position: relative; }
.auth h1 { font-size: 28px; margin: 0 0 6px; }
.field { margin: 14px 0; }
.field label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.field input { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); font: inherit; outline: none; }
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.err { color: var(--red); font-size: 14px; min-height: 20px; margin: 4px 0; }
.or { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; margin: 18px 0; }
.or::before, .or::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.full { width: 100%; }

@media (max-width: 860px) {
  .nav { display: none; }
  .hide-m { display: none; }
  .hero { padding: 40px 0 56px; }
  .hero-inner, .grid2 { grid-template-columns: 1fr; }
  .steps4 { grid-template-columns: 1fr 1fr; }
  .partner { flex-direction: column; align-items: flex-start; }
  .site-header .wrap { gap: 10px; padding: 0 16px; }
  .wrap { padding: 0 16px; }
}
@media (max-width: 480px) {
  .steps4 { grid-template-columns: 1fr; }
  .actions .btn-sm { padding: 8px 10px; }
  .logo sup { display: none; }
}
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; }
.foot-links a { color: var(--text-2); }