:root {
  --bg: #f3f6fc;
  --bg-secondary: #e7ecf6;
  --surface: #ffffff;
  --panel: rgba(255, 255, 255, 0.82);
  --ink: #0b1220;
  --muted: #5b667a;
  --accent: #18c29c;
  --accent-strong: #2d7bff;
  --border: rgba(12, 18, 36, 0.08);
  --radius: 16px;
  --shadow: 0 20px 70px rgba(12, 18, 36, 0.14);
  --shadow-soft: 0 18px 40px rgba(12, 18, 36, 0.08);
  color-scheme: light;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.dark {
  --bg: #050a18;
  --bg-secondary: #0b1224;
  --surface: #0f172a;
  --panel: rgba(15, 23, 42, 0.82);
  --ink: #f2f5ff;
  --muted: #c2cbe2;
  --accent: #1dd7b2;
  --accent-strong: #6ba7ff;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.55);
  --shadow-soft: 0 16px 30px rgba(0, 0, 0, 0.3);
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(45, 123, 255, 0.14), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(24, 194, 156, 0.18), transparent 34%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.dark body,
body.dark {
  background:
    radial-gradient(circle at 20% 20%, rgba(45, 123, 255, 0.18), transparent 30%),
    radial-gradient(circle at 80% 8%, rgba(29, 215, 178, 0.2), transparent 32%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
  color: var(--ink);
}

a { color: var(--ink); text-decoration: none; }

a:focus-visible, button:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: 2px; }

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border-bottom: 1px solid var(--border);
}

.navbar {
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
  font-family: 'Sora', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

.logo img { width: 40px; height: 40px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-weight: 600;
}

.nav-links a { color: var(--ink); opacity: 0.88; }

.nav-links .cta {
  padding: 10px 16px;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #fff;
  border-radius: 12px;
  border: none;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(45, 123, 255, 0.25);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  color: var(--ink);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--accent-strong) 10%, var(--surface));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  color: var(--ink);
  cursor: pointer;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 100px;
}

section { padding: 80px 0; }

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
  gap: 40px;
  padding-top: 30px;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  inset: -10% 10% auto;
  height: 120px;
  background: radial-gradient(circle at 30% 50%, rgba(45, 123, 255, 0.25), transparent 60%),
              radial-gradient(circle at 70% 30%, rgba(24, 194, 156, 0.2), transparent 55%);
  filter: blur(40px);
  z-index: -1;
}

.hero-copy h1 {
  font-family: 'Sora', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: clamp(32px, 4vw, 54px);
  margin: 12px 0;
  letter-spacing: -0.03em;
  color: var(--ink);
}

p { color: var(--muted); margin: 10px 0 18px; }

.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, var(--surface));
  border: 1px solid var(--border);
  font-weight: 700;
  color: var(--ink);
  font-size: 14px;
}

.pill.neutral { background: color-mix(in srgb, var(--accent-strong) 12%, var(--surface)); }
.pill.success { background: color-mix(in srgb, var(--accent) 20%, var(--surface)); color: var(--ink); }
.pill.success.subtle { color: var(--ink); padding: 6px 10px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

.button {
  padding: 14px 20px;
  border-radius: 12px;
  border: 2px solid var(--accent-strong);
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 14px 40px rgba(45, 123, 255, 0.28);
}

.button.secondary {
  background: transparent;
  color: var(--ink);
  border: 2px solid color-mix(in srgb, var(--accent-strong) 35%, transparent);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.hero-meta > div {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: var(--shadow-soft);
}

.hero-meta strong { display: block; font-size: 22px; color: var(--ink); }
.meta-label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.hero-meta small { color: var(--muted); }

.hero-panel { position: relative; display: grid; gap: 14px; }

.hero-visual {
  position: relative;
  background: var(--panel);
  border-radius: 20px;
  padding: 14px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.hero-visual img { width: 100%; display: block; border-radius: 14px; }

.pulse-ring {
  position: absolute;
  inset: 10%;
  border-radius: 20px;
  border: 1px dashed color-mix(in srgb, var(--accent-strong) 70%, transparent);
  animation: pulse 6s linear infinite;
}

.hero-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 10px;
}

.card-header,
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 600;
  color: var(--ink);
}

.card-footer strong { font-size: 18px; }

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent) 0%, var(--accent-strong) 80%);
  display: inline-flex;
}

.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.checklist li { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.check { display: inline-flex; width: 18px; height: 18px; align-items: center; justify-content: center; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; font-size: 12px; }

.trust {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  box-shadow: var(--shadow-soft);
}

.trust-logos { display: flex; flex-wrap: wrap; gap: 12px; }
.trust-logos span {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent-strong) 8%, var(--surface));
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
  display: inline-block;
}

h2, h3, h4 {
  font-family: 'Sora', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  margin: 10px 0;
  letter-spacing: -0.02em;
}

h2 { font-size: clamp(26px, 3vw, 38px); }
h3 { font-size: 22px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.card:hover { transform: translateY(-2px); transition: transform 0.2s ease, box-shadow 0.2s ease; box-shadow: var(--shadow); }

.icon { width: 28px; height: 28px; display: inline-flex; }

.stat-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.stat {
  padding: 18px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent-strong) 10%, var(--surface));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.code-block {
  background: #0b1220;
  color: #e8edf5;
  border-radius: var(--radius);
  padding: 18px;
  overflow-x: auto;
  border: 1px solid rgba(247, 249, 252, 0.12);
  font-family: 'Sora', 'SFMono-Regular', 'Consolas', monospace;
  box-shadow: var(--shadow);
}

.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.badge {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px dashed var(--border);
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  font-weight: 600;
  color: var(--ink);
}

.faq { display: grid; gap: 12px; }

.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.faq summary {
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
}

.cta-final {
  text-align: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-strong) 18%, var(--surface)), color-mix(in srgb, var(--accent) 16%, var(--surface)));
  border-radius: 20px;
  padding: 40px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

footer {
  padding: 32px 20px 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

.footer-links { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }

.dark .card,
body.dark .card,
.dark .faq details {
  box-shadow: var(--shadow-soft);
}

.dark h1, .dark h2, .dark h3 { color: var(--ink); }
.dark .nav-links a { color: var(--ink); }
.dark .badge { border-color: var(--border); background: color-mix(in srgb, var(--accent) 20%, var(--surface)); color: var(--ink); }
.dark .stat { background: color-mix(in srgb, var(--accent) 24%, var(--surface)); border-color: var(--border); }
.dark .code-block { border-color: rgba(247, 249, 252, 0.14); }

@keyframes pulse {
  0% { transform: scale(0.96); opacity: 0.6; }
  50% { transform: scale(1.04); opacity: 1; }
  100% { transform: scale(0.96); opacity: 0.6; }
}

@media (max-width: 820px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    right: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px 16px;
    flex-direction: column;
    min-width: 220px;
    box-shadow: var(--shadow);
  }
  .nav-open .nav-links { display: flex; }
  .nav-toggle { display: inline-flex; }
  .navbar { position: relative; }
  .trust { flex-direction: column; align-items: flex-start; }
  .nav-links .theme-toggle { width: 100%; justify-content: center; }
}

@media (max-width: 600px) {
  main { padding: 0 16px 80px; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .hero { padding-top: 12px; }
  .hero-meta { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
}