:root {
  --bg: #0f1419;
  --panel: #1a2029;
  --border: #2a3340;
  --text: #e4ecf2;
  --muted: #8a9aac;
  --accent: #f5a623;
  --accent-hover: #ffb733;
  --header-bg: rgba(15, 20, 25, 0.85);
  --code-comment: #6b7a8a;
  --code-string: #4caf50;
  --code-text: #d4dce3;
  --shot-stripe: rgba(255, 255, 255, 0.02);
  --good: #4caf50;
  --max: 100%;
  --pad-x: clamp(20px, 5vw, 64px);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f9;
    --panel: #ffffff;
    --border: #d9dfe6;
    --text: #1a2029;
    --muted: #5c6b7a;
    --accent: #e09300;
    --accent-hover: #c47c00;
    --header-bg: #ffffff;
    --code-comment: #8a9aac;
    --code-string: #2e7d32;
    --code-text: #2a3340;
    --shot-stripe: rgba(0, 0, 0, 0.04);
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--accent) var(--panel);
  scrollbar-width: thin;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--panel); }
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 6px;
  border: 2px solid var(--panel);
}
::-webkit-scrollbar-thumb:hover { filter: brightness(1.1); }
::-webkit-scrollbar-corner { background: var(--panel); }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-weight: 700;
  font-size: 18px;
}

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

.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.lang {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.lang button {
  background: transparent;
  border: 0;
  color: var(--muted);
  padding: 4px 10px;
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
}

.lang button.active {
  background: var(--accent);
  color: var(--bg);
}

main { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad-x); }

.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-logo {
  display: block;
  width: clamp(160px, 22vw, 260px);
  height: auto;
  margin: 0 auto 24px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero .tagline {
  color: var(--muted);
  font-size: clamp(16px, 2vw, 19px);
  max-width: 640px;
  margin: 0 auto 32px;
}

.cta { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: #1a2029; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

section { padding: 60px 0; border-top: 1px solid var(--border); }

section h2 {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: -0.01em;
}

section .lead {
  color: var(--muted);
  margin: 0 0 32px;
  max-width: 640px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.feature {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--accent);
}

.feature p { margin: 0; color: var(--muted); font-size: 14px; }

.slider {
  position: relative;
  margin: 40px auto 0;
  max-width: 1100px;
}

.slides {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  border-radius: 12px;
}

.slides::-webkit-scrollbar { display: none; }

.slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  margin: 0;
  text-align: center;
}

.slide picture { display: block; }

.slide img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.slide figcaption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.slider-btn {
  position: absolute;
  top: calc(50% - 22px);
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: background 0.15s ease, color 0.15s ease, transform 0.08s ease;
}

.slider-btn:hover {
  background: var(--accent);
  color: #1a2029;
  border-color: var(--accent);
}

.slider-btn:active { transform: translateY(-50%) scale(0.95); }

.slider-prev { left: -22px; }
.slider-next { right: -22px; }

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: 50%;
  border: 0;
  background: var(--border);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.slider-dot.active {
  background: var(--accent);
  transform: scale(1.3);
}

@media (max-width: 700px) {
  .slider-prev { left: 8px; }
  .slider-next { right: 8px; }
}

pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
  margin: 0;
}

code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

pre code { color: var(--code-text); }
.tok-c { color: var(--code-comment); }
.tok-k { color: var(--accent); }
.tok-s { color: var(--code-string); }

.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 24px;
  margin: 0;
  font-size: 14px;
}
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

footer {
  margin-top: 40px;
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }

[data-lang-de] [data-en], [data-lang-en] [data-de] { display: none; }

@media (max-width: 600px) {
  .hero { padding: 56px 0 40px; }
  section { padding: 44px 0; }
  .nav-links a:not(.lang-wrap) { display: none; }
}