/* === Design tokens =================================================== */
:root {
  --bg: #0B1220;
  --surface: #1E293B;
  --card: #111827;
  --card-border: #1F2937;
  --border: #334155;
  --border-soft: rgba(255, 255, 255, 0.08);
  --text: #F1F5F9;
  --muted: #94A3B8;
  --accent: #F59E0B;
  --accent-hover: #FBBF24;
  --accent-ink: #0B1220;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;

  --container: 1120px;
  --pad-x-mobile: 24px;
  --pad-x-desktop: 48px;
  --section-y-mobile: 64px;
  --section-y-desktop: 96px;
  --radius: 12px;
  --radius-sm: 8px;
}

/* === Reset / base ==================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; cursor: pointer; }

/* === Layout ========================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad-x-mobile);
  padding-right: var(--pad-x-mobile);
}
@media (min-width: 768px) {
  .container { padding-left: var(--pad-x-desktop); padding-right: var(--pad-x-desktop); }
}
section { padding-top: var(--section-y-mobile); padding-bottom: var(--section-y-mobile); }
@media (min-width: 768px) {
  section { padding-top: var(--section-y-desktop); padding-bottom: var(--section-y-desktop); }
}

/* === Nav ============================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 18, 32, 0.78);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.nav__brand { font-weight: 700; letter-spacing: -0.01em; color: var(--text); text-decoration: none; }
.nav__links { display: none; gap: 22px; align-items: center; font-size: 14px; }
@media (min-width: 768px) { .nav__links { display: flex; } }
.nav__links a {
  color: var(--muted); text-decoration: none;
  padding: 6px 4px; border-radius: 4px;
}
.nav__links a:hover, .nav__links a.active { color: var(--text); }
.nav__links a.nav__cta {
  background: var(--accent); color: var(--accent-ink);
  padding: 9px 14px; border-radius: var(--radius-sm);
  font-weight: 600; text-decoration: none; font-size: 14px;
  transition: background 120ms;
}
.nav__links a.nav__cta:hover { background: var(--accent-hover); }

/* === Hero ============================================================ */
.hero { padding-top: 56px; padding-bottom: 56px; }
@media (min-width: 768px) {
  .hero { padding-top: 96px; padding-bottom: 96px; }
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1.1fr 1fr; gap: 56px; }
}
.hero h1 {
  font-size: clamp(36px, 6vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin-bottom: 16px;
}
.hero h1 .accent { color: var(--accent); }
.hero__lede {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 28px;
  max-width: 52ch;
}
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 20px; border-radius: 10px;
  font-weight: 600; font-size: 15px;
  text-decoration: none; transition: background 120ms, border-color 120ms, transform 120ms;
  min-height: 44px;
}
.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: transparent;
}
.btn--secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Hero map preview */
.map {
  background:
    linear-gradient(var(--surface) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(90deg, var(--surface) 1px, transparent 1px) 0 0 / 22px 22px,
    radial-gradient(ellipse at 30% 70%, rgba(245,158,11,0.20), transparent 60%),
    radial-gradient(ellipse at 75% 30%, rgba(245,158,11,0.12), transparent 50%),
    var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 280px;
  display: flex; align-items: center; justify-content: center;
}

/* === Stats strip ===================================================== */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.stat {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 18px;
}
.stat__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.stat__num .unit { font-size: 0.5em; color: var(--muted); margin-left: 4px; }
.stat__label {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* === Section headings ================================================ */
.section-h {
  font-size: clamp(26px, 3.5vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin-bottom: 12px;
}
.section-sub { color: var(--muted); font-size: 16px; max-width: 60ch; margin-bottom: 32px; }

/* === How it works =================================================== */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 768px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.step {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
}
.step__num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.step__title { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.step__body { color: var(--muted); font-size: 14px; }

/* === Features ======================================================== */
.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features { grid-template-columns: repeat(3, 1fr); } }
.feature {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
}
.feature__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  color: var(--accent);
  margin-bottom: 12px;
}
.feature__icon svg { width: 28px; height: 28px; }
.feature__title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.feature__body { color: var(--muted); font-size: 14px; }

/* === Screenshots gallery ============================================ */
.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.shot {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: var(--surface);
  aspect-ratio: 9 / 19;
  display: flex; align-items: center; justify-content: center;
}
.shot img { width: 100%; height: 100%; object-fit: cover; }

/* === FAQ ============================================================ */
.faq { display: flex; flex-direction: column; gap: 10px; max-width: 760px; }
.faq__item {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
}
.faq__q {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%;
  padding: 18px 20px;
  background: transparent; border: 0; color: var(--text);
  font-size: 15px; font-weight: 600; text-align: left;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after { content: "+"; color: var(--accent); font-size: 22px; font-weight: 400; transition: transform 200ms; }
.faq__item[open] > .faq__q::after { content: "−"; }
.faq__a {
  padding: 0 20px 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

/* === Support ======================================================== */
.support {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 640px;
}
@media (min-width: 640px) { .support { grid-template-columns: 1fr 1fr; gap: 20px; } }
.support__card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none; color: inherit;
  display: block;
  transition: border-color 120ms, transform 120ms;
}
.support__card:hover { border-color: var(--accent); transform: translateY(-1px); }
.support__label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.support__title { font-weight: 600; font-size: 16px; margin-bottom: 4px; }
.support__sub { color: var(--muted); font-size: 13px; word-break: break-all; }

/* === Footer ========================================================= */
.foot {
  border-top: 1px solid var(--border-soft);
  padding: 36px 0;
  font-size: 13px;
  color: var(--muted);
}
.foot__inner {
  display: flex; flex-wrap: wrap; gap: 16px;
  justify-content: space-between; align-items: center;
}
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text); }
.foot__links { display: flex; gap: 18px; flex-wrap: wrap; }

/* === Privacy page =================================================== */
.prose { max-width: 720px; }
.prose h1 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 8px; line-height: 1.15; letter-spacing: -0.02em; }
.prose h2 { font-size: 20px; margin-top: 36px; margin-bottom: 10px; }
.prose h3 { font-size: 16px; margin-top: 24px; margin-bottom: 6px; }
.prose p, .prose li { color: var(--text); margin-top: 8px; }
.prose ul { padding-left: 22px; }
.prose .updated { color: var(--muted); font-size: 13px; margin-bottom: 28px; }

/* === Utilities ====================================================== */
.container--centered {
  padding-top: 80px;
  padding-bottom: 80px;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

/* === Accessibility ================================================== */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}