:root {
  --bg: #080e1a;
  --surface: #0f1829;
  --surface-2: #162035;
  --text: #edf2ff;
  --muted: #8fa3c8;
  --line: rgba(255,255,255,0.09);
  --accent: #4f8eff;
  --accent-2: #7c5cfc;
  --accent-glow: rgba(79,142,255,0.18);
  --green: #3ecf8e;
  --amber: #f5a623;
  --red: #ff5c5c;
  --max: 1100px;
  --radius: 16px;
  --shadow: 0 16px 40px rgba(0,0,0,0.32);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  background: linear-gradient(180deg, #060c18 0%, #0d1628 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  padding-left: 32px;
  padding-right: 32px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  body { padding-left: 20px; padding-right: 20px; }
}
@media (max-width: 640px) {
  body { padding-left: 14px; padding-right: 14px; }
}

/* ── Header ── */
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(6,12,24,0.85);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center;
  justify-content: space-between;
  gap: 1rem; min-height: 72px;
}
.brand {
  display: flex; align-items: center;
  gap: 0.75rem; font-weight: 800;
}
.brand-mark {
  width: 40px; height: 40px; min-width: 40px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-size: 0.75rem; font-weight: 900;
  color: #fff; letter-spacing: -0.03em;
}
.nav-links {
  display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center;
}
.nav-links a { color: var(--muted); font-size: 0.9rem; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

/* ── Buttons ── */
.button, button.primary {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.4rem; min-height: 46px; padding: 0.75rem 1.4rem;
  border-radius: 999px; border: none;
  background: var(--accent); color: #fff;
  font-weight: 700; font-size: 0.95rem; cursor: pointer;
  transition: opacity .15s;
}
.button:hover { opacity: 0.88; }
.button.secondary {
  background: transparent; color: var(--text);
  border: 1px solid var(--line);
}
.button.large { min-height: 54px; padding: 0.9rem 2rem; font-size: 1.05rem; }
.button.full { width: 100%; }

/* ── Hero ── */
.hero { padding: 5rem 0 3.5rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.4rem 0.85rem; border-radius: 999px;
  background: rgba(79,142,255,0.1); color: #a8c4ff;
  border: 1px solid rgba(79,142,255,0.2); font-size: 0.85rem;
  margin-bottom: 1.25rem;
}
h1, h2, h3 { line-height: 1.1; margin: 0 0 1rem; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }
p.lead { font-size: 1.1rem; color: var(--muted); max-width: 58ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.5rem; }

/* ── Cards ── */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem;
}
.card.accent {
  border-color: rgba(79,142,255,0.3);
  background: linear-gradient(180deg, rgba(79,142,255,0.07), rgba(79,142,255,0.02));
}

/* ── Section ── */
section { padding: 3.5rem 0; }
.section-head { max-width: 700px; margin-bottom: 2rem; }
.kicker {
  text-transform: uppercase; letter-spacing: 0.12em;
  color: #7aaaff; font-size: 0.78rem; font-weight: 700;
}

/* ── Grid ── */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.25rem; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; align-items: center; }

/* ── Check list ── */
.check-list { display: grid; gap: 0.7rem; padding: 0; margin: 0; list-style: none; }
.check-list li { position: relative; padding-left: 1.5rem; color: var(--muted); font-size: 0.95rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }

/* ── Scan form ── */
.scan-form {
  display: flex; gap: 0.75rem; flex-wrap: wrap;
  margin-top: 2rem;
}
.scan-input {
  flex: 1; min-width: 280px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 999px; padding: 0.85rem 1.5rem;
  color: var(--text); font-size: 1rem;
  outline: none;
}
.scan-input:focus { border-color: var(--accent); }
.scan-input::placeholder { color: var(--muted); }

/* ── Score display ── */
.score-ring {
  width: 120px; height: 120px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 2rem; font-weight: 900;
  margin: 0 auto 1rem;
}
.score-ring.poor { background: rgba(255,92,92,0.12); color: var(--red); border: 3px solid var(--red); }
.score-ring.fair { background: rgba(245,166,35,0.12); color: var(--amber); border: 3px solid var(--amber); }
.score-ring.good { background: rgba(62,207,142,0.12); color: var(--green); border: 3px solid var(--green); }

/* ── Field rows ── */
.field-row {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 0.85rem 0; border-bottom: 1px solid var(--line);
}
.field-row:last-child { border-bottom: none; }
.field-status { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.field-name { font-weight: 600; font-size: 0.9rem; color: var(--text); }
.field-value { font-size: 0.85rem; color: var(--muted); margin-top: 0.15rem; }
.field-tag {
  margin-left: auto; flex-shrink: 0;
  font-size: 0.75rem; font-weight: 700;
  padding: 0.25rem 0.6rem; border-radius: 999px;
}
.tag-found { background: rgba(62,207,142,0.15); color: #3ecf8e; }
.tag-missing { background: rgba(255,92,92,0.15); color: #ff5c5c; }
.tag-unclear { background: rgba(245,166,35,0.15); color: #f5a623; }

/* ── AI model badges ── */
.model-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.model-badge {
  padding: 0.3rem 0.75rem; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--muted);
}
.model-badge.visible { background: rgba(62,207,142,0.1); border-color: rgba(62,207,142,0.25); color: #3ecf8e; }
.model-badge.invisible { background: rgba(255,92,92,0.1); border-color: rgba(255,92,92,0.2); color: #ff7070; }

/* ── Loading ── */
.loader {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 3rem; text-align: center;
}
.spinner {
  width: 48px; height: 48px;
  border: 3px solid rgba(79,142,255,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1.25rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Payment box ── */
.payment-box {
  background: linear-gradient(135deg, rgba(79,142,255,0.08), rgba(124,92,252,0.06));
  border: 1px solid rgba(79,142,255,0.25);
  border-radius: var(--radius); padding: 2rem;
  text-align: center; margin-top: 2rem;
}
.big-price { font-size: 3rem; font-weight: 900; color: var(--text); }
.big-price span { font-size: 1.1rem; font-weight: 400; color: var(--muted); }

/* ── Code block ── */
.code-block {
  background: rgba(0,0,0,0.4); border: 1px solid var(--line);
  border-radius: 12px; padding: 1.25rem;
  font-family: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
  font-size: 0.82rem; color: #a8c4ff;
  overflow-x: auto; white-space: pre;
  line-height: 1.6;
}

/* ── Success ── */
.success-icon { font-size: 3.5rem; margin-bottom: 1rem; }
.deploy-step {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1rem 0; border-bottom: 1px solid var(--line);
}
.deploy-num {
  width: 28px; height: 28px; min-width: 28px;
  border-radius: 50%; background: var(--accent);
  color: #fff; font-weight: 800; font-size: 0.85rem;
  display: grid; place-items: center;
}

/* ── FAQ ── */
.faq-item { border-bottom: 1px solid var(--line); padding: 1rem 0; }
.faq-item summary { cursor: pointer; font-weight: 600; list-style: none; color: var(--text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { color: var(--muted); margin: 0.75rem 0 0; }

/* ── Footer ── */
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0 3rem; color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ── How it works steps ── */
.steps { display: grid; gap: 1.5rem; }
.step { display: flex; gap: 1.25rem; align-items: flex-start; }
.step-num {
  width: 36px; height: 36px; min-width: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 800;
  display: grid; place-items: center; font-size: 0.9rem;
}
.step-body h3 { margin-bottom: 0.35rem; font-size: 1rem; }
.step-body p { color: var(--muted); font-size: 0.9rem; margin: 0; }

/* ── Metrics ── */
.metric-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin: 2rem 0; }
.metric { text-align: center; }
.metric strong { display: block; font-size: 2rem; font-weight: 900; color: var(--accent); }
.metric span { font-size: 0.9rem; color: var(--muted); }

/* ── Callout ── */
.callout {
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--accent);
  background: rgba(79,142,255,0.07);
  border-radius: 0 10px 10px 0;
  color: #c5d8ff;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-grid, .grid-3, .grid-2, .metric-row { grid-template-columns: 1fr; }
  .nav { flex-direction: column; align-items: flex-start; padding: 1rem 0; }
  .hero { padding-top: 3rem; }
}