/* ── Brand tokens (kept in sync with app frontend/css/styles.css) ── */
:root {
  --brand: #185FA5;
  --brand-deep: #0C447C;
  --brand-light: #378ADD;
  --brand-ink: #ffffff;

  --bg: #FAFBFC;
  --surface: #FFFFFF;
  --border: #E5E9F0;
  --text: #0E1726;
  --muted: #5C6B85;

  --radius: 12px;
  --shadow: 0 1px 2px rgba(12, 68, 124, 0.04), 0 8px 24px rgba(12, 68, 124, 0.06);
  --max-w: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--brand-light); text-decoration: none; transition: color .15s; }
a:hover { color: var(--brand); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── Top bar ─────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 500; color: var(--brand-deep);
  letter-spacing: -0.01em;
}
.brand svg { width: 32px; height: 32px; }
.brand-name { font-size: 20px; }

.topbar-links { display: flex; align-items: center; gap: 24px; }
.topbar-links a {
  color: var(--muted); font-size: 14px; font-weight: 500;
}
.topbar-links a:hover { color: var(--brand-deep); }

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 15px; font-weight: 500;
  border: 1px solid transparent;
  transition: transform .12s, box-shadow .15s, background .15s, border-color .15s;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: var(--brand-ink); box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--brand-deep); color: var(--brand-ink); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--brand-deep); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--brand-light); color: var(--brand); background: #fff; }
.btn svg { width: 16px; height: 16px; }

/* ── Hero ────────────────────────────────────────── */
.hero {
  padding: 96px 0 88px;
  text-align: center;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(55, 138, 221, 0.12), transparent 70%);
}
.hero .mark-xl {
  width: 72px; height: 72px;
  margin: 0 auto 28px;
  filter: drop-shadow(0 8px 24px rgba(24, 95, 165, 0.20));
}
.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--brand-deep);
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--brand-light); }
.hero p.lead {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.5;
}
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-meta {
  margin-top: 28px;
  font-size: 13px; color: var(--muted);
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta .dot { color: var(--brand-light); font-weight: 700; }

/* ── Sections ────────────────────────────────────── */
section { padding: 80px 0; }
section + section { border-top: 1px solid var(--border); }
.section-eyebrow {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-light);
  margin-bottom: 12px;
}
.section-title {
  text-align: center;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--brand-deep);
  margin-bottom: 16px;
}
.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto 56px;
  font-size: 17px;
}

/* ── Why cards ───────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: rgba(55, 138, 221, 0.4); }
.card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(55, 138, 221, 0.10);
  color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 17px; font-weight: 600; color: var(--brand-deep); margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; line-height: 1.55; }

/* ── Screenshots ─────────────────────────────────── */
.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.shot {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0f1117;
  aspect-ratio: 9 / 14;
  display: flex; align-items: center; justify-content: center;
  color: #5C6B85;
  font-size: 13px;
  position: relative;
}
.shot img { width: 100%; height: 100%; object-fit: cover; }
.shot-label {
  position: absolute; bottom: 12px; left: 12px;
  background: rgba(0,0,0,0.6); color: #fff;
  font-size: 12px; padding: 4px 10px; border-radius: 999px;
  font-weight: 500;
}

/* ── Install / FAQ ───────────────────────────────── */
.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.install-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.install-step h3 { color: var(--brand-deep); font-size: 18px; margin-bottom: 16px; font-weight: 600; }
.install-step ol, .install-step ul { padding-left: 20px; color: var(--muted); }
.install-step li { margin-bottom: 8px; line-height: 1.55; }
.install-step code {
  background: rgba(24, 95, 165, 0.08);
  color: var(--brand-deep);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.install-step pre {
  background: var(--brand-deep);
  color: #cfe1f6;
  padding: 14px 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  margin-top: 12px;
}

.faq { max-width: 720px; margin: 56px auto 0; }
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 18px 4px;
}
.faq details:last-child { border-bottom: none; }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--brand-deep);
  font-size: 16px;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-weight: 400;
  color: var(--brand-light);
  font-size: 22px;
  line-height: 1;
  transition: transform .2s;
}
.faq details[open] summary::after { content: "−"; }
.faq details > p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ── Disclaimer banner ───────────────────────────── */
.disclaimer {
  background: rgba(55, 138, 221, 0.06);
  border: 1px solid rgba(55, 138, 221, 0.18);
  border-radius: var(--radius);
  padding: 18px 22px;
  color: var(--brand-deep);
  font-size: 14px;
  margin-top: 56px;
  display: flex; gap: 12px; align-items: flex-start;
}
.disclaimer strong { color: var(--brand); }

/* ── Footer ──────────────────────────────────────── */
.footer {
  padding: 40px 0 56px;
  background: var(--brand-deep);
  color: #cfe1f6;
  text-align: center;
}
.footer .brand { color: #fff; }
.footer-links {
  display: flex; gap: 24px; justify-content: center;
  margin: 20px 0 16px;
  font-size: 14px;
}
.footer-links a { color: #cfe1f6; }
.footer-links a:hover { color: #fff; }
.footer-meta { font-size: 13px; opacity: 0.75; }

/* ── Mobile ──────────────────────────────────────── */
@media (max-width: 800px) {
  .topbar-links a:not(.btn) { display: none; }
  .cards, .shots, .install-grid { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 64px; }
  section { padding: 56px 0; }
}