:root {
  color-scheme: dark;
  --bg: #050913;
  --bg-soft: #0a1020;
  --panel: rgba(15, 23, 42, 0.78);
  --panel-strong: #111a2c;
  --line: rgba(148, 163, 184, 0.17);
  --text: #f8fafc;
  --muted: #9ba9bc;
  --blue: #258cff;
  --cyan: #31d8ff;
  --green: #42d392;
  --amber: #ffbd59;
  --red: #ff6b7a;
  --radius: 22px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.6; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: radial-gradient(circle at 78% 5%, rgba(37,140,255,.17), transparent 32%), radial-gradient(circle at 15% 32%, rgba(49,216,255,.07), transparent 24%); z-index: -1; }
a { color: inherit; }
img { max-width: 100%; }
button, input, select, textarea { font: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.topbar { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(5,9,19,.86); backdrop-filter: blur(18px); }
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 850; letter-spacing: .065em; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand .trace { color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 650; font-size: .92rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.language-switch { display: inline-flex; align-items: center; padding: 4px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.03); }
.language-switch a { min-width: 36px; padding: 5px 8px; border-radius: 8px; text-align: center; color: var(--muted); font-size: .78rem; font-weight: 850; }
.language-switch a.active { color: #06101d; background: linear-gradient(135deg,var(--blue),var(--cyan)); }
.menu-toggle { display: none; border: 1px solid var(--line); background: var(--panel); color: var(--text); border-radius: 12px; padding: 8px 11px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 0 19px; border: 1px solid transparent; border-radius: 14px; text-decoration: none; font-weight: 780; cursor: pointer; }
.btn-primary { color: #00101e; background: linear-gradient(135deg, var(--blue), var(--cyan)); box-shadow: 0 12px 34px rgba(37,140,255,.24); }
.btn-secondary { color: var(--text); background: rgba(255,255,255,.04); border-color: var(--line); }
.btn-small { min-height: 40px; padding: 0 14px; font-size: .9rem; }
.hero { padding: 96px 0 70px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 64px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #aeeeff; text-transform: uppercase; letter-spacing: .14em; font-size: .76rem; font-weight: 850; }
.eyebrow::before { content: ""; width: 28px; height: 2px; border-radius: 99px; background: linear-gradient(90deg,var(--blue),var(--cyan)); }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { margin-top: 20px; font-size: clamp(3rem, 7vw, 6.4rem); max-width: 760px; }
h1 .gradient, .gradient-text { color: transparent; background: linear-gradient(100deg, #fff 10%, #a8eaff 55%, #32b9ff); background-clip: text; -webkit-background-clip: text; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: 1.2rem; letter-spacing: -.02em; }
.lead { margin: 26px 0 0; max-width: 640px; color: #b8c3d2; font-size: clamp(1.08rem, 2vw, 1.28rem); }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.microcopy { margin-top: 16px; color: var(--muted); font-size: .88rem; }
.product-stage { position: relative; min-height: 540px; display: grid; place-items: center; }
.product-stage::before { content: ""; position: absolute; width: 82%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(49,216,255,.18), transparent 64%); filter: blur(10px); }
.phone { position: relative; width: min(330px, 82vw); padding: 16px; border: 1px solid rgba(255,255,255,.16); border-radius: 42px; background: linear-gradient(150deg,#1d2940,#080d17 42%); box-shadow: var(--shadow); transform: rotate(2deg); }
.phone-screen { min-height: 470px; padding: 28px 20px 20px; overflow: hidden; border: 1px solid var(--line); border-radius: 30px; background: linear-gradient(160deg,#0c1424,#050912); }
.phone-brand { display: flex; align-items: center; justify-content: space-between; }
.phone-brand img { width: 46px; height: 46px; }
.status-pill { padding: 5px 9px; border-radius: 99px; color: #bcebd4; background: rgba(66,211,146,.12); font-size: .72rem; font-weight: 750; }
.mini-title { margin-top: 30px; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .11em; }
.training-card { margin-top: 10px; padding: 18px; border: 1px solid rgba(49,216,255,.2); border-radius: 20px; background: linear-gradient(135deg,rgba(37,140,255,.16),rgba(49,216,255,.05)); }
.training-card strong { display: block; font-size: 1.18rem; }
.training-card span { color: var(--muted); font-size: .85rem; }
.spark { height: 90px; margin-top: 18px; display: flex; align-items: end; gap: 8px; }
.spark i { flex: 1; height: var(--h); border-radius: 6px 6px 2px 2px; background: linear-gradient(var(--cyan),var(--blue)); opacity: calc(.38 + var(--h-num)); }
.metric-row { margin-top: 15px; display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.metric-row div { padding: 12px 8px; border-radius: 13px; text-align: center; background: rgba(255,255,255,.045); }
.metric-row strong { display: block; font-size: 1rem; }
.metric-row span { color: var(--muted); font-size: .68rem; }
.section { padding: 88px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.section-head p { max-width: 560px; margin: 0; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: 0 18px 54px rgba(0,0,0,.12); }
.feature-card { min-height: 230px; padding: 26px; }
.feature-card .number { color: var(--cyan); font-weight: 850; font-size: .8rem; letter-spacing: .12em; }
.feature-card h3 { margin-top: 42px; }
.feature-card p { margin: 12px 0 0; color: var(--muted); }
.feature-card.wide { grid-column: span 2; background: linear-gradient(135deg,rgba(37,140,255,.16),rgba(15,23,42,.76)); }
.screenshot-section { overflow: hidden; background: linear-gradient(180deg,transparent,rgba(37,140,255,.045),transparent); }
.screenshot-rail { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(215px, 248px); gap: 18px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: inline mandatory; scrollbar-width: thin; scrollbar-color: rgba(49,216,255,.5) transparent; padding: 8px 2px 18px; }
.screenshot-slot { margin: 0; scroll-snap-align: start; }
.screenshot-placeholder { position: relative; aspect-ratio: 9 / 19.5; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; padding: 24px 18px; border: 1px solid rgba(148,163,184,.24); border-radius: 30px; background: radial-gradient(circle at 65% 20%,rgba(49,216,255,.18),transparent 34%), linear-gradient(155deg,#15233a 0%,#09101d 46%,#050912 100%); box-shadow: 0 20px 50px rgba(0,0,0,.26); }
.screenshot-placeholder::before { content: ""; position: absolute; inset: 12px; border: 1px dashed rgba(174,238,255,.16); border-radius: 21px; }
.screenshot-placeholder span { position: absolute; top: 25px; left: 25px; color: rgba(174,238,255,.7); font-size: .75rem; font-weight: 850; letter-spacing: .14em; }
.screenshot-placeholder strong, .screenshot-placeholder small { position: relative; }
.screenshot-placeholder strong { font-size: 1.16rem; }
.screenshot-placeholder small { margin-top: 5px; color: var(--muted); }
.screenshot-slot figcaption { min-height: 54px; padding: 12px 6px 0; color: var(--muted); font-size: .86rem; }
.screenshot-hint { margin: 3px 0 0; color: var(--muted); font-size: .8rem; }
.privacy-band { padding: 36px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; background: linear-gradient(125deg,rgba(37,140,255,.14),rgba(49,216,255,.04)); }
.privacy-band p { margin: 10px 0 0; color: var(--muted); max-width: 700px; }
.page-hero { padding: 72px 0 44px; }
.page-hero h1 { font-size: clamp(2.7rem,6vw,5.2rem); }
.page-hero p { max-width: 720px; color: var(--muted); font-size: 1.14rem; }
.content-grid { display: grid; grid-template-columns: 250px minmax(0,1fr); gap: 42px; padding-bottom: 90px; }
.side-card { position: sticky; top: 98px; align-self: start; padding: 18px; }
.side-card a { display: block; padding: 9px 10px; border-radius: 10px; color: var(--muted); text-decoration: none; font-size: .92rem; }
.side-card a:hover { color: var(--text); background: rgba(255,255,255,.04); }
.article { padding: 34px; }
.article h2 { margin-top: 44px; font-size: 1.7rem; }
.article h2:first-child { margin-top: 0; }
.article h3 { margin-top: 26px; }
.article p, .article li { color: #bdc7d4; }
.article li + li { margin-top: 8px; }
.callout { margin: 24px 0; padding: 20px; border-left: 3px solid var(--cyan); border-radius: 0 14px 14px 0; background: rgba(49,216,255,.07); }
.form-card { padding: 28px; }
.field { display: grid; gap: 8px; margin-top: 18px; }
.field label { font-weight: 700; }
.field input, .field textarea, .field select { width: 100%; min-height: 48px; padding: 12px 14px; color: var(--text); border: 1px solid var(--line); border-radius: 12px; background: #0a1220; }
.field textarea { min-height: 140px; resize: vertical; }
.field small { color: var(--muted); }
.choice { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 18px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.025); }
.choice + .choice { margin-top: 12px; }
.choice p { margin: 4px 0 0; color: var(--muted); font-size: .92rem; }
.switch { position: relative; width: 52px; height: 30px; }
.switch input { position: absolute; opacity: 0; }
.switch span { position: absolute; inset: 0; border-radius: 99px; background: #29344a; cursor: pointer; transition: .2s; }
.switch span::after { content: ""; position: absolute; top: 4px; left: 4px; width: 22px; height: 22px; border-radius: 50%; background: white; transition: .2s; }
.switch input:checked + span { background: linear-gradient(90deg,var(--blue),var(--cyan)); }
.switch input:checked + span::after { transform: translateX(22px); }
.notice { display: none; margin-top: 16px; color: #bcebd4; }
.notice.show { display: block; }
.footer { border-top: 1px solid var(--line); padding: 42px 0; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(2,1fr); gap: 30px; }
.footer a { display: block; width: fit-content; margin-top: 8px; color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--text); }
.footer strong { color: var(--text); }
.fineprint { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); font-size: .82rem; }

/* Admin */
.admin-body { background: #060a12; }
[hidden] { display: none !important; }
.admin-login-shell { min-height: 100vh; display: grid; place-items: center; padding: 28px; }
.admin-login-card { width: min(460px,100%); padding: 34px; background: linear-gradient(145deg,rgba(17,26,44,.96),rgba(8,14,25,.96)); }
.admin-login-card .brand { margin-bottom: 40px; }
.admin-login-card h1 { margin-top: 15px; font-size: clamp(2.4rem,8vw,4rem); }
.admin-login-card > p { color: var(--muted); }
.admin-login-button { width: 100%; margin-top: 24px; }
.admin-message { min-height: 24px; margin: 12px 0 0; color: #ffc1c8; font-size: .88rem; }
.admin-security-note { margin: 24px 0 0; padding-top: 18px; border-top: 1px solid var(--line); font-size: .8rem; }
.admin-layout { min-height: 100vh; display: grid; grid-template-columns: 245px minmax(0,1fr); }
.admin-side { position: sticky; top: 0; height: 100vh; padding: 24px 18px; border-right: 1px solid var(--line); background: #080e19; }
.admin-side .brand { margin-left: 8px; }
.admin-nav { margin-top: 42px; }
.admin-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: 12px; color: var(--muted); text-decoration: none; font-weight: 650; }
.admin-nav a:hover, .admin-nav a.active { color: var(--text); background: rgba(37,140,255,.12); }
.admin-nav i { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.admin-retention { position: absolute; inset: auto 18px 22px; padding: 14px; border: 1px solid var(--line); border-radius: 14px; color: var(--muted); font-size: .8rem; background: rgba(255,255,255,.025); }
.admin-retention strong { display: block; color: var(--text); }
.admin-main { padding: 28px clamp(18px,4vw,52px) 60px; overflow: hidden; }
.admin-top { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.admin-top h1 { font-size: 2rem; margin: 0; }
.admin-top p { margin: 5px 0 0; color: var(--muted); }
.admin-top-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.live-badge { padding: 8px 12px; border: 1px solid rgba(66,211,146,.3); border-radius: 99px; color: #bcebd4; background: rgba(66,211,146,.08); font-size: .82rem; font-weight: 800; }
.live-badge.loading { color: #ffd997; border-color: rgba(255,189,89,.3); background: rgba(255,189,89,.08); }
.admin-error { margin-top: 18px; padding: 14px 16px; border: 1px solid rgba(255,107,122,.28); border-radius: 14px; color: #ffc1c8; background: rgba(255,107,122,.08); }
.stat-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.stat { padding: 21px; }
.stat .label { color: var(--muted); font-size: .82rem; }
.stat .value { margin-top: 10px; font-size: 2rem; font-weight: 850; letter-spacing: -.04em; }
.stat .delta { margin-top: 4px; color: #8ee7ba; font-size: .8rem; }
.admin-grid { margin-top: 16px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.panel { padding: 22px; }
#diagnostics, #crashes { margin-top: 16px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.panel-head span { color: var(--muted); font-size: .82rem; }
.bars { display: grid; gap: 13px; }
.bar-row { display: grid; grid-template-columns: 88px minmax(80px,1fr) 44px; align-items: center; gap: 12px; color: var(--muted); font-size: .85rem; }
.bar-row strong { text-align: right; color: var(--text); }
.bar-empty { padding: 20px 0; color: var(--muted); font-size: .9rem; }
.track { height: 9px; overflow: hidden; border-radius: 99px; background: #1a2434; }
.track i { display: block; width: var(--w); height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--blue),var(--cyan)); }
.donut-wrap { display: grid; grid-template-columns: 150px 1fr; align-items: center; gap: 20px; }
.donut { width: 150px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: conic-gradient(var(--blue) 0 54%,var(--cyan) 54% 88%,#42506a 88%); }
.donut::after { content: "126"; width: 92px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--panel-strong); font-weight: 850; font-size: 1.5rem; }
.legend { display: grid; gap: 9px; color: var(--muted); font-size: .84rem; }
.legend span::before { content: ""; display: inline-block; width: 9px; height: 9px; margin-right: 8px; border-radius: 3px; background: var(--c); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 700px; }
th, td { padding: 13px 12px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; }
td { font-size: .88rem; }
.severity { display: inline-flex; padding: 4px 8px; border-radius: 99px; font-size: .74rem; font-weight: 800; }
.severity.high { color: #ffc1c8; background: rgba(255,107,122,.12); }
.severity.medium { color: #ffe0a5; background: rgba(255,189,89,.12); }
.severity.low { color: #bfeaff; background: rgba(49,216,255,.1); }
.admin-note { margin-top: 16px; padding: 16px 18px; display: flex; gap: 12px; color: var(--muted); font-size: .84rem; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .product-stage { min-height: 500px; }
  .feature-grid { grid-template-columns: repeat(2,1fr); }
  .content-grid { grid-template-columns: 1fr; }
  .side-card { display: none; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-side { position: static; width: 100%; height: auto; display: flex; align-items: center; justify-content: space-between; border-right: 0; border-bottom: 1px solid var(--line); }
  .admin-nav { margin: 0; display: flex; gap: 4px; overflow-x: auto; }
  .admin-nav a { white-space: nowrap; }
  .admin-nav i, .admin-retention { display: none; }
  .stat-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 720px) {
  .shell { width: min(100% - 28px,1180px); }
  .nav-links { display: none; position: absolute; top: 74px; left: 14px; right: 14px; padding: 16px; flex-direction: column; align-items: stretch; border: 1px solid var(--line); border-radius: 16px; background: #0a1020; box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .menu-toggle { display: inline-flex; }
  .hero { padding: 54px 0 48px; gap: 30px; }
  .product-stage { min-height: 430px; }
  .phone { transform: none; }
  .section { padding: 64px 0; }
  .section-head { display: block; }
  .section-head p { margin-top: 14px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card.wide { grid-column: auto; }
  .privacy-band { grid-template-columns: 1fr; padding: 26px; }
  .article, .form-card { padding: 23px; }
  .footer-grid { grid-template-columns: 1fr; }
  .admin-side { align-items: flex-start; }
  .admin-side .brand { display: none; }
  .admin-nav { width: 100%; }
  .admin-main { padding-top: 22px; }
  .admin-top { align-items: flex-start; flex-direction: column; }
  .admin-top-actions { justify-content: flex-start; }
  .stat-grid, .admin-grid { grid-template-columns: 1fr; }
  .donut-wrap { grid-template-columns: 120px 1fr; }
  .donut { width: 120px; }
  .donut::after { width: 74px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }