:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --muted-2: rgba(255, 255, 255, 0.56);
  --brand: #6ee7ff;
  --brand-2: #a78bfa;
  --accent: #34d399;
  --danger: #fb7185;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.45);

  --radius: 18px;
  --radius-sm: 12px;
  --container: 1120px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7fafc;
    --panel: rgba(17, 24, 39, 0.04);
    --border: rgba(17, 24, 39, 0.12);
    --text: rgba(17, 24, 39, 0.92);
    --muted: rgba(17, 24, 39, 0.72);
    --muted-2: rgba(17, 24, 39, 0.56);
    --shadow: 0 18px 60px rgba(2, 6, 23, 0.12);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
  color: var(--text);
  background: radial-gradient(1200px 800px at 15% 15%, rgba(110, 231, 255, 0.22), transparent 60%),
    radial-gradient(1200px 800px at 90% 10%, rgba(167, 139, 250, 0.20), transparent 55%),
    radial-gradient(900px 700px at 70% 90%, rgba(52, 211, 153, 0.16), transparent 55%),
    var(--bg);
}

a {
  color: inherit;
  text-decoration-color: rgba(110, 231, 255, 0.6);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-color: rgba(110, 231, 255, 1);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: static;
  width: auto;
  height: auto;
  padding: 10px 14px;
  margin: 10px;
  border-radius: 12px;
  background: rgba(110, 231, 255, 0.18);
  border: 1px solid var(--border);
}

.topbar {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}

@media (prefers-color-scheme: light) {
  .topbar {
    background: rgba(247, 250, 252, 0.72);
  }
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.logo {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 14px 30px rgba(110, 231, 255, 0.20);
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-links a[aria-current="page"] {
  color: var(--text);
  background: rgba(110, 231, 255, 0.14);
  border: 1px solid rgba(110, 231, 255, 0.30);
}

.menu-button {
  display: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
}

@media (max-width: 820px) {
  .nav-links {
    display: none;
  }
  .menu-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }
  .mobile-menu {
    display: none;
    border-top: 1px solid var(--border);
    padding: 12px 0 18px;
  }
  .mobile-menu[data-open] {
    display: block;
  }
  .mobile-menu a {
    display: block;
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--muted);
  }
  .mobile-menu a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
  }
}

.hero {
  padding: 68px 0 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 26px;
  align-items: start;
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(110, 231, 255, 0.30);
  background: rgba(110, 231, 255, 0.12);
  color: var(--text);
  font-weight: 650;
  width: fit-content;
}

.badge .dot {
  width: 9px;
  height: 9px;
  border-radius: 99px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.16);
}

h1 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.06;
  margin: 14px 0 14px;
  letter-spacing: -0.03em;
}

.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 64ch;
  margin: 0 0 18px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 14px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(110, 231, 255, 0.32);
}

.btn:active {
  transform: translateY(0px);
}

.btn-primary {
  background: linear-gradient(135deg, rgba(110, 231, 255, 0.28), rgba(167, 139, 250, 0.22));
  border-color: rgba(110, 231, 255, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 18px 18px 16px;
}

.hero-card h2 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.hero-list {
  margin: 0;
  padding: 0 0 0 18px;
  color: var(--muted);
}

.hero-list li {
  margin: 6px 0;
}

.note {
  color: var(--muted-2);
  font-size: 14px;
  margin: 10px 0 0;
}

.sections {
  padding: 28px 0 58px;
}

.section {
  padding: 22px;
  margin: 18px 0;
}

.section h2 {
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}

@media (max-width: 980px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.faq details {
  border-top: 1px solid var(--border);
  padding: 14px 0;
}

.faq details:first-child {
  border-top: 0;
  padding-top: 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.faq p {
  color: var(--muted);
  margin: 10px 0 0;
}

.footer {
  padding: 26px 0 44px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.footer a {
  color: var(--muted);
}

.footer a:hover {
  color: var(--text);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.small {
  font-size: 13px;
  color: var(--muted-2);
}

.embed-wrap {
  display: flex;
  justify-content: flex-start;
  margin: 12px 0 0;
}

.embed-wrap iframe {
  width: min(520px, 100%);
  height: 52px;
  border-radius: 10px !important;
}