:root {
  color-scheme: dark;
  --bg: #0f1419;
  --bg-2: #16202b;
  --card: #17212c;
  --line: #27333f;
  --fg: #e9eff6;
  --muted: #9dadbc;
  --accent: #6ec1ff;
  --accent-ink: #06121c;
  --ok: #3ecf8e;
  --maxw: 1000px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple SD Gothic Neo", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(15, 20, 25, .92);
  backdrop-filter: saturate(140%) blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -.01em;
}
.brand:hover { text-decoration: none; }
.brand img { display: block; border-radius: 7px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: .93rem;
}
.site-nav a { color: var(--muted); font-weight: 500; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--fg); }

/* ---------- layout ---------- */

main { flex: 1 0 auto; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 20px 72px;
}

.wrap.narrow { max-width: 760px; }

h1 { font-size: 2.1rem; line-height: 1.25; letter-spacing: -.025em; margin: 0 0 14px; }
h2 { font-size: 1.3rem; letter-spacing: -.02em; margin: 2.2rem 0 .6rem; }
h3 { font-size: 1.02rem; margin: 0 0 6px; }
p { color: var(--muted); margin: 0 0 14px; }
li { color: var(--muted); }
strong { color: var(--fg); }

.lead { font-size: 1.1rem; color: var(--muted); max-width: 62ch; }

/* ---------- hero ---------- */

.hero {
  border-bottom: 1px solid var(--line);
  background: radial-gradient(1100px 420px at 18% -12%, #1c3547 0%, transparent 62%), var(--bg);
}
.hero .wrap { padding-top: 64px; padding-bottom: 56px; }
.hero h1 { font-size: 2.6rem; max-width: 18ch; }

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 700;
  font-size: .96rem;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #8ccfff; }
.btn-ghost { border-color: var(--line); color: var(--fg); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); }

/* ---------- grid / cards ---------- */

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
}
.card p:last-child { margin-bottom: 0; }

.card .ico {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 9px;
  background: #1e3444;
  color: var(--accent);
  font-size: 1.05rem;
  margin-bottom: 12px;
}

/* ---------- steps ---------- */

.steps { counter-reset: step; display: grid; gap: 14px; margin: 22px 0 0; padding: 0; list-style: none; }
.steps > li {
  counter-increment: step;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px 18px 62px;
  position: relative;
  color: var(--muted);
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 18px; top: 18px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  font-size: .88rem;
  display: flex; align-items: center; justify-content: center;
}
.steps h3 { color: var(--fg); }

/* ---------- shots ---------- */

.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 26px; }
.shot {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-2);
}
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption { padding: 10px 14px; font-size: .85rem; color: var(--muted); border-top: 1px solid var(--line); }

/* ---------- misc blocks ---------- */

.callout {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--bg-2);
  border-radius: 0 12px 12px 0;
  padding: 16px 18px;
  margin: 20px 0;
}
.callout p:last-child { margin-bottom: 0; }

table.data { width: 100%; border-collapse: collapse; margin: 14px 0 20px; font-size: .94rem; }
table.data th, table.data td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { color: var(--fg); font-weight: 700; }
table.data td { color: var(--muted); }

.faq { border-top: 1px solid var(--line); margin-top: 8px; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--fg); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+ "; color: var(--accent); font-weight: 800; }
.faq details[open] summary::before { content: "− "; }
.faq p { margin: 10px 0 0; }

.meta { color: #8698a8; font-size: .92rem; }

/* ---------- footer ---------- */

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--line);
  background: #0c1116;
}
.site-footer .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 20px 36px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: .9rem;
}
.site-footer .fbrand { display: flex; align-items: center; gap: 9px; color: var(--fg); font-weight: 700; }
.site-footer .fbrand img { display: block; border-radius: 6px; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.site-footer nav a { color: var(--muted); }
.site-footer nav a:hover { color: var(--fg); }
.site-footer .copy { color: #6e808f; width: 100%; margin: 0; font-size: .85rem; }

/* ---------- responsive ---------- */

@media (max-width: 780px) {
  .grid-3, .grid-2, .shots { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  h1 { font-size: 1.8rem; }
  .site-header .inner { padding: 10px 16px; }
  .site-nav { gap: 14px; font-size: .88rem; }
}