:root {
  --bg: #0f1014;
  --bg-2: #15161b;
  --card: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.08);
  --text: #eceef4;
  --muted: #a3a8b8;
  --accent: #4f6bff;
  --accent-2: #7d93ff;
  --radius: 18px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --bg-2: #ffffff;
    --card: rgba(15, 16, 20, 0.03);
    --line: rgba(15, 16, 20, 0.08);
    --text: #15161b;
    --muted: #5b6070;
    --accent: #3d58f0;
    --accent-2: #4f6bff;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, "Segoe UI", sans-serif;
  background:
    radial-gradient(900px 500px at 85% -10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    radial-gradient(700px 400px at -10% 30%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.hero > *, .feature > *, .grid > *, .privacy-cols > * { min-width: 0; }
body { overflow-x: hidden; }
kbd {
  font: 600 0.8em Inter, sans-serif;
  padding: 0.1em 0.45em;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--card);
}

.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 48px);
  backdrop-filter: blur(16px) saturate(140%);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.nav nav { display: flex; align-items: center; gap: clamp(10px, 2.5vw, 28px); }
.nav nav a:not(.btn) { color: var(--muted); font-weight: 500; }
.nav nav a:not(.btn):hover { color: var(--text); text-decoration: none; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 8px 24px -8px color-mix(in srgb, var(--accent) 70%, transparent);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 12px 28px -8px color-mix(in srgb, var(--accent) 80%, transparent); }
.btn-small { padding: 8px 14px; font-size: 0.9rem; }
.btn-big { padding: 16px 30px; font-size: 1.1rem; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); box-shadow: none; }
.btn-ghost:hover { background: var(--card); box-shadow: none; }

main > section { padding: clamp(56px, 9vw, 110px) clamp(16px, 5vw, 64px); max-width: 1240px; margin: 0 auto; }

.hero { display: grid; gap: clamp(32px, 5vw, 56px); text-align: center; padding-top: clamp(48px, 8vw, 96px); }
.eyebrow { color: var(--accent-2); font-weight: 600; letter-spacing: 0.02em; margin: 0 0 12px; }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.05; letter-spacing: -0.03em; margin: 0 auto 18px; max-width: 14ch; }
.lead { color: var(--muted); font-size: clamp(1.05rem, 1.6vw, 1.25rem); max-width: 60ch; margin: 0 auto 28px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.shot { margin: 0; }
.shot img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.02);
  background: var(--bg-2);
}
.hero-shot img { width: 100%; }

h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -0.02em; margin: 0 0 10px; text-align: center; }
.section-lead { color: var(--muted); text-align: center; max-width: 56ch; margin: 0 auto 56px; }

.feature { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(28px, 5vw, 64px); align-items: center; margin-bottom: clamp(56px, 8vw, 96px); }
.feature.reverse { grid-template-columns: 1.3fr 1fr; }
.feature.reverse .feature-text { order: 2; }
.feature .shot img[src*="spaces"] { max-height: 620px; width: auto; margin: 0 auto; }
.feature h3 { font-size: 1.35rem; margin: 0 0 8px; letter-spacing: -0.01em; }
.feature p { color: var(--muted); margin: 0 0 22px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h4 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.privacy-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.privacy ul { list-style: none; margin: 0; padding: 26px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.privacy li { color: var(--muted); margin-bottom: 14px; }
.privacy li:last-child { margin-bottom: 0; }
.privacy strong { color: var(--text); }

.download { text-align: center; }
.download img { margin: 0 auto 18px; }
.download p { color: var(--muted); }
.download .btn-big { margin: 14px 0 18px; }
.small { font-size: 0.9rem; }

.faq { max-width: 820px !important; }
.faq h2 { margin-bottom: 28px; }
details { border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; margin-bottom: 10px; background: var(--card); }
summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--muted); font-weight: 400; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 0 0 16px; }

.footer {
  display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; align-items: center;
  padding: 28px clamp(16px, 5vw, 64px); border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem;
}
.footer > div:first-child { display: flex; align-items: center; gap: 8px; }
.credits { max-width: 70ch; }

@media (max-width: 860px) {
  .feature, .feature.reverse, .privacy-cols { grid-template-columns: 1fr; }
  .feature.reverse .feature-text { order: 0; }
  .grid { grid-template-columns: 1fr 1fr; }
  .nav nav a:not(.btn) { display: none; }
}
@media (max-width: 540px) {
  .grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}