:root {
  --bg: #0e0e0e;
  --surface: #1a1919;
  --text: #f5f5f5;
  --muted: rgba(255, 255, 255, 0.62);
  --primary: #3fff8b;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --maxw: 720px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    Ubuntu,
    Cantarell,
    "Helvetica Neue",
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 17px;
}

a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  text-decoration: underline;
}

/* ── Header ─────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(14, 14, 14, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.02em;
  min-width: 0;
}

.brand__mark {
  width: 36px;
  height: 36px;
  max-width: 36px;
  max-height: 36px;
  min-width: 0;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  display: block;
  position: relative;
  background: #000;
}

.brand__mark img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  display: block;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  font-size: 14px;
}

.nav a {
  color: var(--muted);
  font-weight: 600;
}

.nav a:hover {
  color: var(--primary);
}

/* ── Main ───────────────────────────────────────────── */

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  line-height: 1.15;
  margin: 0 0 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 28px;
}

h2 {
  font-size: 1.25rem;
  margin: 40px 0 16px;
  font-weight: 800;
}

h3 {
  font-size: 1.05rem;
  margin: 0 0 8px;
  font-weight: 800;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

ul {
  margin: 0 0 16px;
  padding-left: 1.2rem;
  color: var(--muted);
}

li {
  margin-bottom: 8px;
}

/* ── Card grid ──────────────────────────────────────── */

.card-grid {
  display: grid;
  gap: 14px;
}

@media (min-width: 600px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.card--showcase {
  text-align: center;
  padding: 24px 18px;
}

.card__icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.card--showcase .card__icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.card--showcase p {
  font-size: 14px;
  margin: 0;
}

/* ── Feature grid ───────────────────────────────────── */

.feature-grid {
  display: grid;
  gap: 2px;
}

@media (min-width: 600px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }
}

.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.feature-item:last-child {
  border-bottom: none;
}

.feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
}

.feature-item strong {
  color: var(--text);
  display: block;
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 14px;
  margin: 0;
}

/* ── Feature list (legacy) ──────────────────────────── */

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list strong {
  color: var(--text);
}

/* ── CTA ────────────────────────────────────────────── */

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: filter 0.15s, border-color 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--primary);
  color: #0a0a0a;
}

.btn--primary:hover {
  filter: brightness(1.05);
  text-decoration: none;
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  text-decoration: none;
}

/* ── FAQ ─────────────────────────────────────────────── */

.faq {
  margin-top: 8px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 0;
}

.faq-item summary {
  padding: 16px 0;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text);
}

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding: 0 0 16px;
  margin: 0;
  font-size: 15px;
}

/* ── Footer ─────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

.site-footer a {
  margin: 0 8px;
}

/* ── Legal pages ────────────────────────────────────── */

.legal {
  max-width: 720px;
}

.legal h2 {
  margin-top: 32px;
}

.legal h2:first-of-type {
  margin-top: 8px;
}

.meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}