/* ===== ST2L VPN — design system ===== */
:root {
  --bg: #07070d;
  --bg-soft: #0d0d18;
  --surface: rgba(22, 22, 38, 0.6);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #ececf5;
  --muted: #9a9ab5;
  --violet: #7c5cff;
  --cyan: #22d3ee;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --grad: linear-gradient(120deg, #7c5cff 0%, #b14cff 45%, #22d3ee 100%);
  --grad-soft: linear-gradient(120deg, rgba(124, 92, 255, .18), rgba(34, 211, 238, .12));
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, .7);
  --container: 1140px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --display: 'Space Grotesk', var(--font);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

a { color: inherit; text-decoration: none; transition: color .2s, opacity .2s; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }

/* aurora background */
.bg-aurora {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(60% 50% at 15% 0%, rgba(124, 92, 255, .22), transparent 60%),
    radial-gradient(50% 45% at 90% 5%, rgba(34, 211, 238, .16), transparent 60%),
    radial-gradient(60% 60% at 50% 110%, rgba(177, 76, 255, .14), transparent 60%);
  pointer-events: none;
}
.bg-aurora::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 28px 28px; mask-image: linear-gradient(180deg, #000, transparent 80%);
}

/* ===== header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(7, 7, 13, .72);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark { display: inline-flex; filter: drop-shadow(0 4px 12px rgba(124, 92, 255, .5)); }
.brand-name { font-family: var(--display); font-size: 1.2rem; letter-spacing: -.02em; }
.nav-links { display: flex; gap: 26px; margin-left: 18px; }
.nav-links a { color: var(--muted); font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.inline-form { display: inline; }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; }

/* ===== buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font); font-weight: 600; font-size: .95rem;
  padding: 11px 20px; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid transparent; transition: transform .15s, box-shadow .2s, background .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 10px 30px -8px rgba(124, 92, 255, .7);
}
.btn-primary:hover { box-shadow: 0 14px 38px -8px rgba(124, 92, 255, .9); transform: translateY(-1px); }
.btn-ghost { background: rgba(255,255,255,.04); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--border-strong); background: rgba(255,255,255,.08); }
.btn-block { width: 100%; }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }

/* ===== hero ===== */
.hero { padding: 84px 0 60px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: .82rem; font-weight: 600;
  background: var(--grad-soft); border: 1px solid var(--border-strong); color: #cdbfff;
  margin-bottom: 22px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.hero h1 {
  font-family: var(--display); font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  line-height: 1.05; letter-spacing: -.03em; font-weight: 700; margin-bottom: 20px;
}
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 520px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-stats { display: flex; gap: 34px; }
.hero-stats .stat strong { font-family: var(--display); font-size: 1.7rem; display: block; }
.hero-stats .stat span { color: var(--muted); font-size: .85rem; }

/* hero visual */
.hero-visual { position: relative; display: flex; justify-content: center; }
.globe-card {
  width: 100%; max-width: 420px; border-radius: 26px; padding: 26px;
  background: var(--surface); border: 1px solid var(--border-strong);
  backdrop-filter: blur(20px); box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.globe-card::before {
  content: ""; position: absolute; top: -40%; right: -30%; width: 70%; height: 70%;
  background: radial-gradient(circle, rgba(124,92,255,.5), transparent 70%); filter: blur(30px);
}
.globe-card h3 { font-family: var(--display); font-size: 1rem; color: var(--muted); margin-bottom: 16px; position: relative; }
.server-row {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; margin-bottom: 10px;
  border-radius: 14px; background: rgba(255,255,255,.03); border: 1px solid var(--border);
  position: relative;
}
.server-row .flag { font-size: 1.4rem; }
.server-row .sv-name { font-weight: 600; font-size: .95rem; }
.server-row .sv-ping { margin-left: auto; font-size: .8rem; color: var(--green); font-variant-numeric: tabular-nums; }
.server-row .bars { display: flex; gap: 3px; align-items: flex-end; height: 16px; }
.server-row .bars i { width: 3px; background: var(--cyan); border-radius: 2px; display: block; }

/* ===== sections ===== */
.section { padding: 72px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 46px; }
.section-head h2 { font-family: var(--display); font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -.02em; margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.kicker { color: var(--cyan); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; font-size: .78rem; display: block; margin-bottom: 12px; }

/* features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  padding: 28px; border-radius: var(--radius); background: var(--surface);
  border: 1px solid var(--border); backdrop-filter: blur(12px); transition: transform .2s, border-color .2s;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.feature-card .ico {
  width: 50px; height: 50px; display: grid; place-items: center; font-size: 1.5rem;
  border-radius: 14px; background: var(--grad-soft); border: 1px solid var(--border-strong); margin-bottom: 16px;
}
.feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; font-family: var(--display); }
.feature-card p { color: var(--muted); font-size: .96rem; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { padding: 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); position: relative; }
.step .num { font-family: var(--display); font-size: 2.4rem; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 700; }
.step h3 { margin: 6px 0 8px; font-size: 1.15rem; }
.step p { color: var(--muted); font-size: .95rem; }

/* ===== pricing ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.price-card {
  display: flex; flex-direction: column; padding: 28px 24px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(12px);
  position: relative; transition: transform .2s, border-color .2s;
}
.price-card:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.price-card.featured { border-color: rgba(124,92,255,.6); box-shadow: 0 20px 50px -20px rgba(124,92,255,.5); }
.price-card.featured::before {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.price-badge {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  padding: 5px 14px; border-radius: 999px; white-space: nowrap;
}
.price-card .plan-name { font-family: var(--display); font-size: 1.2rem; margin-bottom: 6px; }
.price-card .plan-price { font-family: var(--display); font-size: 2.5rem; font-weight: 700; letter-spacing: -.02em; }
.price-card .plan-price .cur { font-size: 1.3rem; color: var(--muted); }
.price-card .plan-per { color: var(--muted); font-size: .9rem; margin-bottom: 18px; }
.price-card ul { list-style: none; margin-bottom: 22px; display: grid; gap: 10px; }
.price-card ul li { font-size: .92rem; color: var(--text); display: flex; gap: 10px; align-items: center; }
.price-card ul li::before { content: "✓"; color: var(--green); font-weight: 800; }
.price-card .btn { margin-top: auto; }

/* ===== faq ===== */
.faq-list { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); overflow: hidden; }
.faq-item summary {
  cursor: pointer; padding: 20px 22px; font-weight: 600; font-size: 1.05rem;
  display: flex; justify-content: space-between; align-items: center; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--violet); transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 22px 20px; color: var(--muted); }

/* ===== CTA band ===== */
.cta-band {
  margin: 40px auto; max-width: var(--container); border-radius: 28px; padding: 54px 40px; text-align: center;
  background: var(--grad-soft); border: 1px solid var(--border-strong); position: relative; overflow: hidden;
}
.cta-band h2 { font-family: var(--display); font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; }
.cta-band p { color: var(--muted); margin-bottom: 26px; font-size: 1.08rem; }

/* ===== auth ===== */
.auth-wrap { display: grid; place-items: center; padding: 60px 0; }
.auth-card {
  width: 100%; max-width: 440px; padding: 36px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border-strong); backdrop-filter: blur(16px); box-shadow: var(--shadow);
}
.auth-card h1 { font-family: var(--display); font-size: 1.7rem; margin-bottom: 6px; }
.auth-card .sub { color: var(--muted); margin-bottom: 26px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: .88rem; font-weight: 500; margin-bottom: 7px; color: var(--text); }
.field-input {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm); font-size: .98rem;
  background: rgba(255,255,255,.04); border: 1px solid var(--border-strong); color: var(--text);
  font-family: var(--font); transition: border-color .2s, box-shadow .2s;
}
.field-input:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 3px rgba(124,92,255,.2); }
.form-check { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--muted); margin-bottom: 18px; }
.form-check a { color: var(--cyan); }
.form-help { font-size: .8rem; color: var(--muted); margin-top: 5px; }
.form-errors { color: var(--red); font-size: .85rem; margin-top: 5px; }
.field-errors { list-style: none; color: var(--red); font-size: .85rem; margin-top: 5px; }
.auth-alt { text-align: center; margin-top: 20px; color: var(--muted); font-size: .92rem; }
.auth-alt a { color: var(--cyan); font-weight: 600; }
.nonfield { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); color: #fca5a5; padding: 12px 14px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: .9rem; }

/* ===== alerts ===== */
.messages { margin-top: 18px; display: grid; gap: 10px; }
.alert { padding: 13px 18px; border-radius: var(--radius-sm); font-size: .95rem; border: 1px solid var(--border-strong); }
.alert-success { background: rgba(34,197,94,.12); border-color: rgba(34,197,94,.35); color: #86efac; }
.alert-error { background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.35); color: #fca5a5; }
.alert-info { background: rgba(34,211,238,.1); border-color: rgba(34,211,238,.3); color: #a5f3fc; }
.alert-warning { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.35); color: #fcd34d; }

/* ===== dashboard ===== */
.dash { padding: 44px 0 70px; }
.dash-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.dash-head h1 { font-family: var(--display); font-size: 2rem; }
.dash-head p { color: var(--muted); }
.dash-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 22px; align-items: start; }
.panel { padding: 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(12px); }
.panel + .panel { margin-top: 22px; }
.panel h2 { font-family: var(--display); font-size: 1.25rem; margin-bottom: 4px; }
.panel .panel-sub { color: var(--muted); font-size: .92rem; margin-bottom: 18px; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; font-weight: 600; font-size: .85rem; }
.status-pill.on { background: rgba(34,197,94,.14); color: #86efac; border: 1px solid rgba(34,197,94,.3); }
.status-pill.off { background: rgba(239,68,68,.12); color: #fca5a5; border: 1px solid rgba(239,68,68,.3); }
.status-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }

.sub-meter { margin: 16px 0; }
.sub-meter .row { display: flex; justify-content: space-between; font-size: .9rem; margin-bottom: 7px; }
.sub-meter .bar { height: 8px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.sub-meter .bar > span { display: block; height: 100%; background: var(--grad); border-radius: 999px; }

.sub-url-box { display: flex; gap: 8px; margin-top: 6px; }
.sub-url-box input {
  flex: 1; padding: 11px 14px; border-radius: var(--radius-sm); font-size: .85rem; font-family: ui-monospace, monospace;
  background: rgba(0,0,0,.3); border: 1px solid var(--border-strong); color: var(--cyan);
}
.copy-btn { padding: 11px 16px; }

.qr-wrap { display: flex; gap: 22px; align-items: center; margin-top: 18px; flex-wrap: wrap; }
.qr-wrap .qr { background: #fff; padding: 10px; border-radius: 14px; line-height: 0; }
.qr-wrap .qr svg { width: 132px; height: 132px; }
.qr-hint { color: var(--muted); font-size: .9rem; max-width: 240px; }

.config-list { display: grid; gap: 10px; margin-top: 6px; }
.config-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px;
  background: rgba(255,255,255,.03); border: 1px solid var(--border);
}
.config-item .c-name { font-weight: 600; font-size: .95rem; }
.config-item .c-host { color: var(--muted); font-size: .8rem; font-family: ui-monospace, monospace; }
.config-item .c-actions { margin-left: auto; display: flex; gap: 8px; }
.mini-btn { padding: 7px 12px; font-size: .82rem; border-radius: 9px; }

.empty-state { text-align: center; padding: 30px 10px; color: var(--muted); }
.empty-state .big { font-size: 2.4rem; margin-bottom: 10px; }

/* plan picker in dashboard */
.plan-pick { display: grid; gap: 10px; }
.plan-pick a {
  display: flex; justify-content: space-between; align-items: center; padding: 14px 16px;
  border-radius: 12px; background: rgba(255,255,255,.03); border: 1px solid var(--border); transition: border-color .2s;
}
.plan-pick a:hover { border-color: var(--violet); }
.plan-pick .pp-name { font-weight: 600; }
.plan-pick .pp-price { font-family: var(--display); font-weight: 700; }
.plan-pick .pp-badge { font-size: .7rem; background: var(--grad-soft); color: #cdbfff; padding: 3px 8px; border-radius: 999px; margin-left: 8px; }

/* orders table */
.orders-table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: .9rem; }
.orders-table th { text-align: left; color: var(--muted); font-weight: 500; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: .82rem; }
.orders-table td { padding: 11px 10px; border-bottom: 1px solid var(--border); }
.tag { padding: 3px 9px; border-radius: 999px; font-size: .76rem; font-weight: 600; }
.tag.paid { background: rgba(34,197,94,.14); color: #86efac; }
.tag.pending { background: rgba(245,158,11,.14); color: #fcd34d; }
.tag.failed { background: rgba(239,68,68,.14); color: #fca5a5; }

/* ===== checkout ===== */
.checkout-wrap { display: grid; place-items: center; padding: 60px 0; }
.checkout-card { width: 100%; max-width: 480px; padding: 34px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border-strong); backdrop-filter: blur(16px); box-shadow: var(--shadow); }
.checkout-card h1 { font-family: var(--display); font-size: 1.6rem; margin-bottom: 22px; }
.summary-row { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--border); }
.summary-row.total { font-family: var(--display); font-size: 1.4rem; font-weight: 700; border-bottom: none; padding-top: 18px; }
.summary-row .muted { color: var(--muted); }
.test-note { background: rgba(245,158,11,.1); border: 1px solid rgba(245,158,11,.3); color: #fcd34d; padding: 12px 16px; border-radius: var(--radius-sm); font-size: .88rem; margin: 18px 0; }

/* ===== legal ===== */
.legal { padding: 50px 0 70px; }
.legal-card { max-width: 820px; margin: 0 auto; padding: 40px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.legal-card h1 { font-family: var(--display); font-size: 2rem; margin-bottom: 8px; }
.legal-card .updated { color: var(--muted); font-size: .88rem; margin-bottom: 28px; }
.legal-card h2 { font-family: var(--display); font-size: 1.25rem; margin: 28px 0 12px; }
.legal-card p, .legal-card li { color: #c8c8db; margin-bottom: 12px; }
.legal-card ul, .legal-card ol { padding-left: 22px; margin-bottom: 12px; }

/* ===== responsive ===== */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .features-grid, .steps { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .dash-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  body.nav-open .nav-links {
    display: flex; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0;
    background: var(--bg-soft); padding: 18px 22px; gap: 16px; border-bottom: 1px solid var(--border); margin: 0;
  }
  .features-grid, .steps, .pricing-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; }
  .nav-actions .btn-ghost { display: none; }
}