:root {
  --bg: #0c0f14;
  --bg-elev: #121722;
  --text: #eef2ff;
  --muted: #a7b3d6;
  --line: #242c40;
  --accent: #6c8cff;
  --accent-2: #3dd6c5;
  --danger: #ff6b8a;
  --max: 1080px;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 420px at 12% -8%, rgba(108, 140, 255, 0.22), transparent 55%),
    radial-gradient(800px 380px at 92% 0%, rgba(61, 214, 197, 0.12), transparent 50%),
    var(--bg);
  line-height: 1.6;
}

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

.skip:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  background: var(--accent);
  color: #0b0d11;
  border-radius: 8px;
  z-index: 1000;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(12, 15, 20, 0.78);
  border-bottom: 1px solid var(--line);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 20px rgba(108, 140, 255, 0.35);
}

.brand-text {
  font-size: 1.05rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-elev);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  margin: 0 auto;
  background: var(--text);
  border-radius: 2px;
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    padding: 14px 20px 18px;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(12, 15, 20, 0.96);
    border-bottom: 1px solid var(--line);
    display: none;
  }

  .nav.is-open {
    display: flex;
  }
}

.hero {
  padding: 48px 0 36px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: start;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.eyebrow strong {
  color: var(--accent-2);
  font-weight: 600;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 52ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  font-size: 0.95rem;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #4b5fd8);
  color: #fff;
  box-shadow: 0 10px 28px rgba(108, 140, 255, 0.35);
}

.btn.primary:hover,
.btn.primary:focus-visible {
  filter: brightness(1.06);
}

.btn.ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.btn.ghost:hover,
.btn.ghost:focus-visible {
  border-color: var(--accent);
}

.hero-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.card-title {
  margin: 0 0 14px;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.status {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.status li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot.ok {
  background: var(--accent-2);
  box-shadow: 0 0 0 4px rgba(61, 214, 197, 0.2);
}

.hint {
  margin: 16px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88em;
  background: rgba(0, 0, 0, 0.35);
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.section {
  padding: 56px 0;
}

.section.muted {
  background: rgba(0, 0, 0, 0.22);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 16px;
  font-size: 1.5rem;
}

.prose {
  margin: 0 0 28px;
  color: var(--muted);
  max-width: 70ch;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 820px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.tile {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elev);
}

.tile h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.tile p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.checklist {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  max-width: 65ch;
}

.checklist li {
  margin-bottom: 8px;
}

.narrow {
  max-width: 720px;
}

.steps {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.steps li {
  margin-bottom: 10px;
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

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

.fine {
  margin: 0;
  opacity: 0.85;
}