:root {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #5b6770;
  --border: #d8dee4;
  --accent: #007f87;
  --accent-text: #ffffff;
  --code-bg: #e8eef2;
  --shadow: 0 10px 30px rgba(15, 30, 40, 0.15);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1418;
    --surface: #151d23;
    --text: #e4eaee;
    --muted: #93a1ab;
    --border: #26323a;
    --accent: #2fc4c9;
    --accent-text: #04191b;
    --code-bg: #1d2830;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  }
}

:root[data-theme="dark"] {
  --bg: #0e1418;
  --surface: #151d23;
  --text: #e4eaee;
  --muted: #93a1ab;
  --border: #26323a;
  --accent: #2fc4c9;
  --accent-text: #04191b;
  --code-bg: #1d2830;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

code, kbd {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  border-radius: 4px;
  padding: 0.1em 0.4em;
}

kbd { border: 1px solid var(--border); border-bottom-width: 2px; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

header.top {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.brand img { width: 28px; height: 28px; }

nav.links { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
nav.links a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav.links a:hover { color: var(--accent); }
nav.links .lang { color: var(--text); font-weight: 600; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 40px;
  align-items: center;
  padding: 56px 0 40px;
}

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  line-height: 1.15;
  margin: 0 0 16px;
}

.hero p.lead { color: var(--muted); font-size: 1.1rem; margin: 0 0 24px; }

.cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: none;
}

.btn:hover { filter: brightness(1.08); }

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

.fine { color: var(--muted); font-size: 0.88rem; margin: 6px 0 0; }

.shot {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  background: #000;
}

.shot img { display: block; width: 100%; height: auto; }

section { padding: 36px 0; }

section h2 { font-size: 1.6rem; margin: 0 0 20px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
}

a.card { display: block; color: inherit; text-decoration: none; }
a.card:hover { border-color: var(--accent); }

.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.gallery figure { margin: 0; }
.gallery a.shot { display: block; }
.gallery figcaption { color: var(--muted); font-size: 0.92rem; margin-top: 8px; }

ol.steps { padding-left: 1.2em; }
ol.steps li { margin-bottom: 10px; }

.note {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 12px 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; padding-top: 32px; }
  .gallery { grid-template-columns: 1fr; }
}