:root {
  color-scheme: dark;
  --bg: #06111f;
  --bg-soft: #091827;
  --panel: #0b1c2e;
  --panel-2: #0e2237;
  --line: #1a3854;
  --text: #edf7ff;
  --muted: #91a8bd;
  --blue: #2aa8ff;
  --cyan: #35d5f5;
  --green: #41dc8e;
  --violet: #9c7cff;
  --shadow: 0 28px 80px rgba(0, 0, 0, .34);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f8fc;
  --bg-soft: #e8f1f8;
  --panel: #ffffff;
  --panel-2: #f8fbfd;
  --line: #c9d9e6;
  --text: #10283c;
  --muted: #5c7386;
  --blue: #087dcc;
  --cyan: #008cab;
  --green: #07864c;
  --violet: #6952c8;
  --shadow: 0 24px 70px rgba(38, 74, 102, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 5%, rgba(24, 126, 208, .17), transparent 27rem),
    linear-gradient(180deg, var(--bg), var(--bg-soft));
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position:fixed;left:12px;top:-80px;z-index:100;background:var(--text);color:var(--bg);padding:10px 14px;border-radius:6px }
.skip-link:focus { top:12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 70px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
}

.brand { display:flex;align-items:center;gap:10px;min-width:max-content }
.brand-mark { width:34px;height:34px;display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--blue) 70%,var(--line));border-radius:8px;background:rgba(42,168,255,.09);color:var(--blue);font-weight:900 }
.brand-logo { width:34px;height:34px;object-fit:contain;border-radius:8px }
.brand strong { display:block;letter-spacing:.08em;font-size:14px }
.brand small { display:block;color:var(--muted);font-size:9px;letter-spacing:.04em }

nav { margin-left:auto;display:flex;align-items:center;gap:24px }
nav a { color:var(--muted);font-size:13px;font-weight:600 }
nav a:hover, nav a:focus-visible { color:var(--text) }
.nav-cta { color:var(--text);border:1px solid var(--line);border-radius:7px;padding:8px 12px;background:var(--panel) }
.theme-toggle, .nav-toggle { border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--muted);padding:8px 10px;cursor:pointer;font-weight:700 }
.nav-toggle { display:none }

main { overflow:hidden }
.hero { min-height:720px;max-width:1180px;margin:0 auto;padding:100px 24px 76px;display:grid;grid-template-columns:1fr 1.03fr;align-items:center;gap:70px }
.eyebrow { color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;margin:0 0 18px }
.eyebrow span { display:inline-block;width:8px;height:8px;margin-right:8px;border-radius:50%;background:var(--green);box-shadow:0 0 14px var(--green) }
h1 { font-size:clamp(44px,6vw,76px);line-height:1.02;letter-spacing:-.055em;margin:0;max-width:680px }
.hero-lead { max-width:620px;color:var(--muted);font-size:18px;line-height:1.65;margin:28px 0 }
.hero-actions { display:flex;gap:12px;flex-wrap:wrap }
.button { min-height:46px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--line);padding:0 18px;font:700 13px inherit;cursor:pointer;transition:transform .2s,border-color .2s,background .2s }
.button:hover { transform:translateY(-2px) }
.button.primary { color:#fff;border-color:#168edc;background:linear-gradient(135deg,#0879c8,#2aa8ff);box-shadow:0 12px 30px rgba(15,137,216,.22) }
.button.secondary { color:var(--text);background:var(--panel) }
.hero-note { color:var(--muted);font-size:11px;margin-top:17px }

.architecture-card { border:1px solid var(--line);border-radius:14px;background:linear-gradient(145deg,var(--panel),color-mix(in srgb,var(--panel-2) 85%,var(--blue)));box-shadow:var(--shadow);padding:26px }
.architecture-label { color:var(--blue);font:800 10px ui-monospace,monospace;text-transform:uppercase;letter-spacing:.11em;margin:0 0 10px }
.architecture-card h2 { font-size:29px;margin-bottom:24px }
.architecture-row { display:grid;grid-template-columns:130px 1fr;gap:4px 16px;padding:15px 0;border-top:1px solid var(--line) }
.architecture-row span { grid-row:span 2;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.07em;padding-top:2px }
.architecture-row strong { font-size:13px }.architecture-row small { color:var(--muted);font-size:10px }
.architecture-footer { display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding:13px;border-radius:8px;background:var(--bg-soft);font-size:10px }
.architecture-footer span { color:var(--green);font-weight:700 }.architecture-footer i { display:inline-block;width:6px;height:6px;border-radius:50%;background:currentColor;margin-right:6px }

.proof { max-width:1180px;margin:0 auto 70px;padding:0 24px;display:grid;grid-template-columns:repeat(4,1fr) }
.proof div { padding:22px;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);border-right:1px solid var(--line) }.proof div:first-child { border-left:1px solid var(--line);border-radius:10px 0 0 10px }.proof div:last-child { border-radius:0 10px 10px 0 }
.proof strong { display:block;color:var(--blue);font-size:24px }.proof span { color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em }

.section { max-width:1180px;margin:0 auto;padding:95px 24px }
.section-heading { max-width:700px;margin-bottom:42px }.section-heading.compact { margin-bottom:28px }
h2 { font-size:clamp(32px,4.5vw,52px);line-height:1.08;letter-spacing:-.04em;margin:0 0 18px }
.section-heading>p:last-child,.security-copy>p { color:var(--muted);font-size:16px }
.feature-grid { display:grid;grid-template-columns:repeat(3,1fr);gap:12px }
.feature-grid article { min-height:220px;border:1px solid var(--line);border-radius:11px;background:linear-gradient(145deg,var(--panel),var(--panel-2));padding:24px }
.feature-grid article>span { color:var(--blue);font:800 10px ui-monospace,monospace }
.feature-grid h3 { font-size:17px;margin:42px 0 10px }.feature-grid p { color:var(--muted);font-size:13px;line-height:1.65;margin:0 }

.workflow-section { display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start }
.workflow { margin:0;padding:0;list-style:none;border-top:1px solid var(--line) }
.workflow li { display:grid;grid-template-columns:50px 1fr;gap:18px;padding:25px 0;border-bottom:1px solid var(--line) }
.workflow li>span { width:34px;height:34px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);color:var(--blue);font:800 11px ui-monospace,monospace }
.workflow h3 { font-size:16px;margin:2px 0 6px }.workflow p { color:var(--muted);font-size:13px;margin:0 }

.security-section { display:grid;grid-template-columns:1.1fr .9fr;gap:90px;align-items:center }
.security-copy ul { padding:0;list-style:none;margin:28px 0 0 }.security-copy li { padding:11px 0 11px 23px;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px;position:relative }.security-copy li:before { content:"";position:absolute;left:2px;top:17px;width:7px;height:7px;border-radius:50%;background:var(--green) }
.security-card { border:1px solid var(--line);border-radius:12px;background:var(--panel);box-shadow:var(--shadow);padding:22px }
.security-card>p { color:var(--blue);font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:800 }
.security-card div { display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-top:1px solid var(--line);font-size:12px }.security-card span { color:var(--muted) }.security-card strong { text-align:right }

.faq-list { border-top:1px solid var(--line) }
details { border-bottom:1px solid var(--line) }
summary { cursor:pointer;list-style:none;padding:22px 44px 22px 0;font-weight:700;font-size:15px;position:relative }
summary::-webkit-details-marker { display:none } summary:after { content:"+";position:absolute;right:8px;color:var(--blue);font-size:20px;font-weight:400 } details[open] summary:after { content:"-" }
details p { max-width:760px;color:var(--muted);font-size:13px;margin:-8px 0 22px }

.download-section { max-width:1132px;margin:80px auto 100px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:40px;border:1px solid color-mix(in srgb,var(--blue) 50%,var(--line));border-radius:14px;background:linear-gradient(120deg,var(--panel),color-mix(in srgb,var(--panel-2) 80%,var(--blue)));box-shadow:var(--shadow) }
.download-section h2 { max-width:650px }.download-section>div>p:last-child { max-width:650px;color:var(--muted);font-size:13px }
.download-actions { min-width:245px;display:flex;flex-direction:column;gap:9px }.download-actions small { text-align:center;color:var(--muted);font-size:10px }

footer { max-width:1180px;margin:0 auto;padding:26px 24px 40px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;color:var(--muted);font-size:11px }
.footer-brand { color:var(--text) }
.toast { position:fixed;left:50%;bottom:22px;z-index:50;transform:translate(-50%,20px);opacity:0;pointer-events:none;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);padding:10px 14px;font-size:12px;box-shadow:var(--shadow);transition:.2s }
.toast.show { transform:translate(-50%,0);opacity:1 }
/* ── Pricing ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.pricing-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(145deg, var(--panel), var(--panel-2));
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow);
}
.pricing-card.featured {
  border-color: color-mix(in srgb, var(--blue) 70%, var(--line));
  background: linear-gradient(145deg, var(--panel), color-mix(in srgb, var(--panel-2) 80%, var(--blue)));
}
.card-badge {
  position: absolute;
  top: -12px;
  left: 28px;
  background: var(--blue);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 4px 8px;
  border-radius: 4px;
}
.pricing-card h3 {
  font-size: 20px;
  margin: 0 0 10px;
  font-weight: 700;
}
.pricing-card .price {
  font-size: clamp(36px, 4vw, 44px);
  font-weight: 800;
  line-height: 1;
  margin: 10px 0 6px;
  color: var(--text);
}
.pricing-card .price span {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}
.pricing-card .price-desc {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  margin: 0 0 24px;
  min-height: 40px;
}
.pricing-card hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
  width: 100%;
}
.pricing-card ul {
  padding: 0;
  list-style: none;
  margin: 24px 0 32px;
  flex-grow: 1;
}
.pricing-card li {
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 40%, transparent);
  color: var(--muted);
  font-size: 13px;
  position: relative;
}
.pricing-card li:last-child {
  border-bottom: 0;
}
.pricing-card li:before {
  content: "";
  position: absolute;
  left: 2px;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}
.pricing-card.featured li:before {
  background: var(--green);
}
.pricing-card .button {
  width: 100%;
}

@media (max-width: 900px) {
  .site-header { padding:0 18px }.nav-toggle { display:block;margin-left:auto } .theme-toggle { order:4 }
  nav { position:absolute;left:16px;right:16px;top:65px;display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px;border:1px solid var(--line);border-radius:10px;background:var(--panel);box-shadow:var(--shadow) } nav.open { display:flex } nav a { padding:12px }
  .hero { grid-template-columns:1fr;padding-top:72px;gap:48px }.architecture-card { max-width:650px }
  .feature-grid { grid-template-columns:repeat(2,1fr) }.workflow-section,.security-section { grid-template-columns:1fr;gap:35px }
  .pricing-grid { grid-template-columns:1fr;gap:30px }
  .download-section { margin-left:18px;margin-right:18px;flex-direction:column;align-items:flex-start }.download-actions { width:100% }
}

@media (max-width: 600px) {
  .site-header { min-height:62px }.brand small { display:none }.theme-toggle { font-size:0 }.theme-toggle:after { content:"Theme";font-size:11px }
  .hero { min-height:0;padding:62px 18px 48px }.hero-lead { font-size:16px }.hero-actions .button { width:100% }
  .architecture-row { grid-template-columns:1fr }.architecture-row span { grid-row:auto }
  .proof { grid-template-columns:repeat(2,1fr);padding:0 18px }.proof div,.proof div:first-child,.proof div:last-child { border:1px solid var(--line);border-radius:0 }
  .section { padding:72px 18px }.feature-grid { grid-template-columns:1fr }.feature-grid article { min-height:190px }.feature-grid h3 { margin-top:28px }
  .download-section { padding:30px 22px;margin-top:55px;margin-bottom:65px } footer { margin:0 18px;padding-left:0;padding-right:0;flex-direction:column;align-items:flex-start }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto } *,*:before,*:after { transition:none!important }
}