/* Praxis 5266 Prep — landing styles
   Mobile-first, no external fonts/CDN. System font stack only. */

:root {
  --bg: #0b1220;
  --bg-alt: #101a2e;
  --card: #16213a;
  --card-border: #26324b;
  --text: #eef1f7;
  --text-dim: #a9b4c9;
  --accent: #4f8cff;
  --accent-2: #34d19e;
  --warn: #ffb454;
  --danger: #ff6b6b;
  --radius: 14px;
  --max-w: 960px;
  color-scheme: dark light;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fc;
    --bg-alt: #ffffff;
    --card: #ffffff;
    --card-border: #e1e6f0;
    --text: #14192b;
    --text-dim: #4b5670;
    --accent: #2563eb;
    --accent-2: #0f9d70;
    --warn: #b5750a;
    --danger: #c22b2b;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); }

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

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--card-border);
}
@media (prefers-color-scheme: light) {
  .topbar { background: rgba(255, 255, 255, 0.85); }
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand span { color: var(--accent); }
.topbar nav a.btn { padding: 8px 16px; font-size: 0.9rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #7aa8ff);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(79, 140, 255, 0.6);
}
.btn-secondary {
  background: transparent;
  border-color: var(--card-border);
  color: var(--text);
}
.btn-block { display: block; width: 100%; }

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 40px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(52, 209, 158, 0.12);
  border: 1px solid rgba(52, 209, 158, 0.35);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1.12;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.subhead {
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 30px;
}
.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}
.hero-ctas .btn-primary { width: 100%; max-width: 420px; }
.hero-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
@media (min-width: 640px) {
  .hero-ctas { flex-direction: row; justify-content: center; }
  .hero-ctas .btn-primary { width: auto; }
}

/* ---------- Sections ---------- */
section { padding: 48px 0; }
.section-alt { background: var(--bg-alt); }
h2 {
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  text-align: center;
}
.section-lede {
  text-align: center;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 34px;
}

/* ---------- Feature grid ---------- */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}
.card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.94rem;
}
.card .icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
  display: block;
}

/* ---------- Domains block ---------- */
.domains {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 640px;
  margin: 0 auto;
}
.domain-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: center;
}
.domain-label {
  font-size: 0.94rem;
  font-weight: 600;
}
.domain-pct {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--accent);
  text-align: right;
}
.domain-bar-track {
  grid-column: 1 / -1;
  height: 10px;
  border-radius: 999px;
  background: var(--card-border);
  overflow: hidden;
}
.domain-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 780px;
  margin: 0 auto;
}
@media (min-width: 720px) {
  .pricing-grid { grid-template-columns: 1fr 1fr; }
}
.price-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}
.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 20px 40px -20px rgba(79, 140, 255, 0.45);
  position: relative;
}
.price-card.featured::before {
  content: "Best value";
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}
.price-tier {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.price-amount {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.price-amount small {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dim);
}
.price-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 24px;
  flex: 1;
}
.price-list li {
  padding: 7px 0;
  font-size: 0.94rem;
  color: var(--text-dim);
  display: flex;
  gap: 8px;
}
.price-list li strong { color: var(--text); font-weight: 600; }
.tick { color: var(--accent-2); flex-shrink: 0; }
.cross { color: var(--text-dim); flex-shrink: 0; }

/* ---------- FAQ ---------- */
.faq { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--card-border);
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 4px;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.15s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  margin: 0 4px 18px;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ---------- Final CTA ---------- */
.cta-final {
  text-align: center;
  padding: 56px 0 64px;
}
.cta-final h2 { margin-bottom: 14px; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--card-border);
  padding: 32px 0;
}
footer .wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.88rem;
}
footer a { color: var(--text-dim); text-decoration: underline; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}