:root {
  --bg: #0e1016; --sidebar: #12141c; --surface: #181b26; --surface-2: #1c2030; --hover: #1f2331; --border: #262b3b; --border-strong: #363c52;
  --text: #e9ecf6; --muted: #8f97ae; --faint: #5e667f;
  --accent: #6366f1; --accent-hover: #7b7ef7; --accent-soft: #23264f; --accent-text: #a5a8ff;
  --success: #34d399; --warning: #f5b544; --danger: #f4727c;
  --shadow: 0 24px 70px rgba(0, 0, 0, .5);
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f3f4fa; --sidebar: #ffffff; --surface: #ffffff; --surface-2: #f5f6fb; --hover: #eff0f9; --border: #e2e5f0; --border-strong: #c9cee0;
  --text: #12141c; --muted: #667085; --faint: #98a2b3;
  --accent: #5457e5; --accent-hover: #4346d2; --accent-soft: #e7e8fd; --accent-text: #4346d2;
  --success: #12a66a; --warning: #e08a0b; --danger: #e0424f;
  --shadow: 0 24px 70px rgba(30, 34, 60, .15);
  color-scheme: light;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; font-size: 16px; line-height: 1.6; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button, input, select { font: inherit; color: inherit; }
svg.i { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.container { width: min(1140px, 100% - 40px); margin-inline: auto; }

/* ---------- buttons / fields ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; height: 46px; padding: 0 22px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); font-weight: 600; cursor: pointer; text-decoration: none !important; transition: background .15s, border-color .15s, transform .08s, box-shadow .15s; }
.btn:hover { background: var(--hover); border-color: var(--border-strong); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: default; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-hover)); border-color: transparent; color: #fff; box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 38%, transparent); }
.btn-primary:hover { background: linear-gradient(135deg, var(--accent-hover), var(--accent)); border-color: transparent; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--hover); color: var(--text); border-color: transparent; }
.btn-lg { height: 54px; padding: 0 30px; font-size: 17px; border-radius: 14px; }
.btn-sm { height: 36px; padding: 0 14px; font-size: 14px; border-radius: 10px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.field label { font-size: 13.5px; font-weight: 500; color: var(--muted); }
.input { width: 100%; height: 46px; padding: 0 14px; border-radius: 11px; border: 1px solid var(--border); background: var(--surface-2); outline: none; transition: border-color .15s, box-shadow .15s; }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.msg { padding: 12px 14px; border-radius: 11px; font-size: 14.5px; margin-bottom: 16px; display: none; }
.msg.err { display: block; color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent); }
.msg.ok { display: block; color: var(--success); background: color-mix(in srgb, var(--success) 12%, transparent); border: 1px solid color-mix(in srgb, var(--success) 35%, transparent); }

/* ---------- header ---------- */
header.nav { position: sticky; top: 0; z-index: 40; backdrop-filter: blur(14px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--border); }
header.nav .container { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 20px; letter-spacing: -.02em; color: var(--text); text-decoration: none !important; }
.logo img { width: 36px; height: 36px; border-radius: 10px; }
.menu { display: flex; gap: 6px; margin-left: 12px; }
.menu a { color: var(--muted); padding: 8px 14px; border-radius: 10px; font-weight: 500; font-size: 15px; text-decoration: none; }
.menu a:hover { color: var(--text); background: var(--hover); }
.nav .spacer { flex: 1; }
.nav select { height: 38px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); padding: 0 10px; font-size: 14px; }
.burger { display: none; }

/* ---------- hero ---------- */
.hero { padding: 96px 0 40px; position: relative; overflow: hidden; text-align: center;
  background: radial-gradient(900px 480px at 50% -10%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 70%); }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 99px; background: var(--accent-soft); color: var(--accent-text); font-weight: 600; font-size: 14px; margin-bottom: 26px; }
.hero h1 { font-size: clamp(38px, 6vw, 68px); line-height: 1.06; letter-spacing: -.035em; font-weight: 700; max-width: 900px; margin: 0 auto 22px; }
.hero h1 em { font-style: normal; background: linear-gradient(135deg, var(--accent-text), var(--success)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(17px, 2vw, 21px); color: var(--muted); max-width: 720px; margin: 0 auto 34px; }
.hero .cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero .note { margin-top: 18px; color: var(--faint); font-size: 14px; }
.shot { margin: 64px auto 0; width: min(1000px, 100%); border-radius: 18px; border: 1px solid var(--border-strong); box-shadow: var(--shadow); overflow: hidden; background: var(--surface); }
.shot img { width: 100%; }
:root[data-theme="light"] .shot .dark, :root:not([data-theme="light"]) .shot .light { display: none; }

/* ---------- sections ---------- */
section { padding: 96px 0; }
section.alt { background: var(--sidebar); border-block: 1px solid var(--border); }
.eyebrow { color: var(--accent-text); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; margin-bottom: 12px; }
h2.title { font-size: clamp(30px, 4vw, 44px); letter-spacing: -.03em; line-height: 1.12; margin-bottom: 16px; }
p.sub { color: var(--muted); font-size: 18px; max-width: 680px; }
.center { text-align: center; } .center p.sub { margin-inline: auto; }
.grid { display: grid; gap: 20px; margin-top: 52px; }
.grid.f3 { grid-template-columns: repeat(3, 1fr); }
.grid.f2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 28px; transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.card .ic { width: 46px; height: 46px; border-radius: 13px; background: var(--accent-soft); color: var(--accent-text); display: grid; place-items: center; margin-bottom: 18px; }
.card h3 { font-size: 19px; margin-bottom: 8px; letter-spacing: -.01em; }
.card p { color: var(--muted); font-size: 15.5px; }

.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 52px; }
.step { position: relative; padding: 28px; border-radius: 18px; border: 1px solid var(--border); background: var(--surface); }
.step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; margin-bottom: 16px; }
.step h3 { font-size: 18px; margin-bottom: 6px; } .step p { color: var(--muted); font-size: 15.5px; }

.price { max-width: 520px; margin: 52px auto 0; padding: 40px; border-radius: 24px; border: 1px solid var(--accent); background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 12%, var(--surface)), var(--surface)); box-shadow: 0 30px 80px color-mix(in srgb, var(--accent) 22%, transparent); text-align: center; position: relative; }
.price .badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; padding: 6px 16px; border-radius: 99px; font-size: 13.5px; font-weight: 700; }
.price .amount { font-size: 72px; font-weight: 700; letter-spacing: -.04em; line-height: 1; }
.price .amount small { font-size: 22px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.price ul { list-style: none; text-align: left; margin: 30px 0; display: grid; gap: 13px; }
.price li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); }
.price li svg { color: var(--success); margin-top: 3px; }

details { border: 1px solid var(--border); border-radius: 14px; background: var(--surface); margin-bottom: 12px; }
details summary { cursor: pointer; padding: 18px 22px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details summary::after { content: '+'; color: var(--accent-text); font-size: 22px; line-height: 1; }
details[open] summary::after { content: '–'; }
details p { padding: 0 22px 20px; color: var(--muted); }
.faq { max-width: 820px; margin: 52px auto 0; }

footer { padding: 56px 0 40px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14.5px; }
footer .row { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
footer a { color: var(--muted); } footer a:hover { color: var(--text); }
footer .links { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- forms pages ---------- */
.auth { min-height: calc(100vh - 68px); display: grid; place-items: center; padding: 48px 20px;
  background: radial-gradient(800px 420px at 50% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%); }
.auth .box { width: min(440px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 22px; padding: 36px; box-shadow: var(--shadow); }
.auth h1 { font-size: 26px; letter-spacing: -.02em; margin-bottom: 6px; }
.auth p.s { color: var(--muted); margin-bottom: 24px; }
.auth .alt { text-align: center; margin-top: 18px; color: var(--muted); font-size: 15px; }
.tabs { display: flex; gap: 6px; background: var(--surface-2); padding: 5px; border-radius: 12px; margin-bottom: 24px; }
.tabs button { flex: 1; height: 40px; border: 0; border-radius: 9px; background: transparent; color: var(--muted); font-weight: 600; cursor: pointer; }
.tabs button.on { background: var(--surface); color: var(--text); box-shadow: 0 2px 8px rgba(0,0,0,.2); }

.dash { padding: 56px 0 90px; }
.dash h1 { font-size: 32px; letter-spacing: -.03em; margin-bottom: 8px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 26px; margin-top: 22px; }
.panel h2 { font-size: 18px; margin-bottom: 14px; }
.keybox { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.key { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 20px; letter-spacing: .06em; padding: 12px 18px; border-radius: 12px; background: var(--surface-2); border: 1px dashed var(--border-strong); user-select: all; }
table.t { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.t th { text-align: left; color: var(--faint); font-weight: 600; font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; padding: 8px 10px; }
table.t td { padding: 12px 10px; border-top: 1px solid var(--border); }
.tag { display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: 12.5px; font-weight: 600; background: var(--surface-2); color: var(--muted); }
.tag.ok { color: var(--success); background: color-mix(in srgb, var(--success) 14%, transparent); }
.tag.warn { color: var(--warning); background: color-mix(in srgb, var(--warning) 14%, transparent); }
.tag.bad { color: var(--danger); background: color-mix(in srgb, var(--danger) 14%, transparent); }
.dl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-top: 14px; }
.dl { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface-2); }
.dl b { display: block; font-size: 15px; word-break: break-all; } .dl small { color: var(--muted); }
.legal { max-width: 800px; margin: 60px auto; padding: 0 20px; }
.legal h1 { font-size: 36px; letter-spacing: -.03em; margin-bottom: 20px; } .legal h2 { margin: 28px 0 8px; font-size: 20px; } .legal p, .legal li { color: var(--muted); margin-bottom: 10px; } .legal ul { padding-left: 22px; }

@media (max-width: 900px) {
  .grid.f3, .steps { grid-template-columns: 1fr; }
  .grid.f2 { grid-template-columns: 1fr; }
  .menu { display: none; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 24px; }
}
.input.otp { font-size: 28px; letter-spacing: 10px; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }
.stats { padding: 8px 0 48px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center; border: 1px solid var(--border); border-radius: 20px; padding: 26px 12px; background: var(--surface); }
.stat-row b { display: block; font-size: 34px; letter-spacing: -.02em; color: var(--accent); }
.stat-row span { color: var(--muted); font-size: 14px; }
@media (max-width: 700px) { .stat-row { grid-template-columns: repeat(2, 1fr); row-gap: 22px; } }
.os .card { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.os .card p { flex: 1; margin-bottom: 18px; }
.os .ic svg { fill: currentColor; stroke: none; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 14px; }
.chips span { padding: 6px 12px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--border); font-size: 14px; font-weight: 500; }
.fam .card:hover, .os .card:hover { transform: none; }

/* ---------- sign-in page ---------- */
.authwrap { width: min(980px, 100%); display: grid; grid-template-columns: 1fr 440px; gap: 28px; align-items: stretch; }
.pitch { border-radius: 22px; padding: 40px; color: #fff; background: linear-gradient(150deg, #5457e5 0%, #3b3dbf 55%, #2a2c8f 100%); box-shadow: var(--shadow); display: flex; flex-direction: column; justify-content: center; }
.pitch h2 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -.02em; line-height: 1.15; margin-bottom: 26px; }
.pitch ul { list-style: none; display: grid; gap: 16px; }
.pitch li { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; }
.pitch li svg { width: 22px; height: 22px; flex: none; stroke: #9ff0c9; stroke-width: 2.4; fill: none; }
.pitch-foot { margin-top: 34px; display: flex; gap: 10px; font-size: 14px; opacity: .85; align-items: flex-start; }
.pitch-foot svg { width: 18px; height: 18px; flex: none; stroke: #fff; fill: none; stroke-width: 2; }
.authwrap .box { width: 100%; }
.steps2 { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; }
.steps2 span { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 700; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.steps2 span.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.steps2 span.done { background: var(--accent-soft); color: var(--accent-text); border-color: transparent; }
.steps2 i { flex: 1; height: 2px; background: var(--border); border-radius: 2px; }
.flash { animation: flash 1.6s ease 1; }
@keyframes flash { 0%, 100% { box-shadow: 0 0 0 0 transparent; } 30% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 35%, transparent); } }
@media (max-width: 880px) { .authwrap { grid-template-columns: 1fr; } .pitch { padding: 26px; } .pitch ul { gap: 10px; } .pitch-foot { display: none; } }

/* ---------- payment methods ---------- */
.paybox { margin-top: 22px; padding: 22px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface-2); }
.paybox h3 { margin-bottom: 14px; font-size: 18px; }
.methods { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 18px; }
.method { text-align: left; padding: 14px; border: 1.5px solid var(--border); border-radius: 12px; background: var(--surface); cursor: pointer; color: var(--text); font: inherit; transition: border-color .15s, transform .15s; }
.method:hover { border-color: var(--accent); transform: translateY(-2px); }
.method.on { border-color: var(--accent); background: var(--accent-soft); }
.method b { display: block; font-size: 15px; } .method small { color: var(--muted); font-size: 13px; }
.ops { display: flex; gap: 18px; flex-wrap: wrap; } .ops label { display: flex; gap: 8px; align-items: center; cursor: pointer; }
.muted { color: var(--muted); }
.waiting { display: flex; gap: 10px; align-items: center; margin-top: 14px; color: var(--muted); }
.spin { width: 16px; height: 16px; border-radius: 50%; border: 2.5px solid var(--border-strong); border-top-color: var(--accent); animation: sp .8s linear infinite; flex: none; }
@keyframes sp { to { transform: rotate(360deg); } }