/* AstroVision — gemeinsames Stylesheet */
:root {
  --night: #050816;
  --indigo: #101633;
  --violet: #4f2d7f;
  --lavender: #b9a7ff;
  --gold: #d9b86c;
  --moon: #f7f1e8;
  --dust: #8f96b3;

  --accent: var(--gold);
  --accent-soft: color-mix(in oklab, var(--accent) 55%, transparent);
  --accent-line: color-mix(in oklab, var(--accent) 38%, transparent);

  --base-size: 17px;
  --star-density: 1;

  --serif: "Playfair Display", "Cormorant Garamond", Georgia, serif;
  --body:  "Lora", Georgia, serif;
  --mono:  "JetBrains Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--night); }
body {
  font-family: var(--body);
  font-size: var(--base-size);
  line-height: 1.65;
  color: var(--moon);
  background:
    radial-gradient(1200px 800px at 18% -10%, color-mix(in oklab, var(--violet) 55%, transparent), transparent 60%),
    radial-gradient(900px 700px at 110% 20%, color-mix(in oklab, var(--indigo) 80%, transparent), transparent 65%),
    radial-gradient(700px 500px at 50% 110%, color-mix(in oklab, var(--violet) 35%, transparent), transparent 70%),
    var(--night);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: color-mix(in oklab, var(--accent) 45%, transparent); color: var(--moon); }

a { color: var(--moon); text-decoration: none; }

/* layout */
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 32px; position: relative; }
@media (max-width: 720px){ .wrap { padding: 0 22px; } }

/* type primitives */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; }
h1 { font-weight: 400; }
em.poetic { font-style: italic; color: color-mix(in oklab, var(--moon) 88%, var(--accent)); }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--accent) 80%, var(--moon));
  display: inline-flex; align-items: center; gap: 14px;
}
.eyebrow::before { content:""; width: 28px; height: 1px; background: var(--accent-line); display: inline-block; }

/* starfield + grain */
#stars { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.9; }
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
main { position: relative; z-index: 2; }

/* topbar */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 36px;
  background: linear-gradient(180deg, color-mix(in oklab, var(--night) 70%, transparent), transparent);
  backdrop-filter: blur(2px);
}
a.brand, a.brand:visited, a.brand:hover, a.brand:active { display: flex; align-items: center; gap: 12px; font-family: var(--serif); letter-spacing: 0.02em; text-decoration: none; color: var(--moon); }
a.brand .brand-name { color: var(--moon); text-decoration: none; }
.brand-mark { width: 26px; height: 26px; position: relative; }
.brand-mark::before, .brand-mark::after { content:""; position:absolute; inset:0; border-radius:50%; }
.brand-mark::before { border: 1px solid var(--accent-line); }
.brand-mark::after { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%, -50%); box-shadow: 0 0 14px color-mix(in oklab, var(--accent) 70%, transparent); }
.brand-name { font-size: 17px; }
.brand-name b { font-weight: 500; }
.nav { display: flex; gap: 28px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dust); }
.nav a { color: inherit; text-decoration: none; transition: color .3s; }
.nav a:hover { color: var(--moon); }
.nav .nav-login { color: var(--accent); }
@media (max-width: 820px) { .nav { display: none; } }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 28px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase;
  border-radius: 999px; text-decoration: none; cursor: pointer;
  border: 1px solid transparent;
  transition: all .35s ease;
}
.btn-primary { background: var(--accent); color: var(--night); }
.btn-primary:hover { box-shadow: 0 0 36px 0 color-mix(in oklab, var(--accent) 45%, transparent); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--moon); border-color: color-mix(in oklab, var(--moon) 22%, transparent); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn .arr { transition: transform .35s; }
.btn:hover .arr { transform: translateX(4px); }
.btn[disabled] { opacity: .35; pointer-events: none; }

/* footer */
footer {
  margin-top: 60px;
  padding: 80px 0 60px;
  border-top: 1px solid color-mix(in oklab, var(--moon) 8%, transparent);
  background: color-mix(in oklab, var(--night) 96%, var(--indigo));
  position: relative; z-index: 2;
}
.f-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 60px; }
@media (max-width: 820px){ .f-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
.f-grid h5 { font-family: var(--mono); font-size: 10px; letter-spacing: 0.32em; color: var(--accent); text-transform: uppercase; margin: 0 0 18px; font-weight: 500; }
.f-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.f-grid a { color: var(--moon); text-decoration: none; font-size: 14px; transition: color .3s; }
.f-grid a:hover { color: var(--accent); }
.f-brand p { color: var(--dust); font-size: 14px; max-width: 36ch; margin: 18px 0 0; }
.disclaimer {
  margin-top: 60px; padding-top: 30px;
  border-top: 1px solid color-mix(in oklab, var(--moon) 6%, transparent);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  color: color-mix(in oklab, var(--dust) 80%, transparent);
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; text-transform: uppercase;
}

/* generic page shell for non-index pages */
.page-shell { min-height: 100vh; padding: 140px 0 100px; position: relative; z-index: 2; }

/* legal / text content */
.legal { max-width: 760px; margin: 0 auto; padding: 0 32px; }
.legal h1 { font-size: clamp(38px, 5vw, 60px); line-height: 1.05; margin: 18px 0 30px; }
.legal h2 { font-size: 22px; margin: 44px 0 14px; color: var(--moon); font-style: italic; font-weight: 400; }
.legal p, .legal li { color: var(--dust); line-height: 1.8; font-size: 16px; }
.legal ul { padding-left: 22px; }
.legal a { color: var(--accent); text-decoration: none; border-bottom: 1px dashed var(--accent-line); }
.legal .placeholder {
  margin: 30px 0;
  padding: 22px 26px;
  border: 1px dashed color-mix(in oklab, var(--accent) 40%, transparent);
  border-radius: 4px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: color-mix(in oklab, var(--accent) 90%, var(--moon));
  background: color-mix(in oklab, var(--indigo) 50%, transparent);
}

/* tweaks panel (shared) */
#tweaks-toggle {
  position: fixed; right: 22px; bottom: 22px; z-index: 50;
  width: 46px; height: 46px; border-radius: 50%;
  background: color-mix(in oklab, var(--indigo) 80%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 40%, transparent);
  color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; backdrop-filter: blur(8px);
  font-family: var(--mono); font-size: 16px;
  transition: all .3s;
}
#tweaks-toggle:hover { box-shadow: 0 0 30px -6px var(--accent); }
#tweaks-panel {
  position: fixed; right: 22px; bottom: 80px; z-index: 51;
  width: 320px; max-width: calc(100vw - 44px);
  background: color-mix(in oklab, var(--indigo) 86%, transparent);
  backdrop-filter: blur(14px);
  border: 1px solid color-mix(in oklab, var(--accent) 28%, transparent);
  border-radius: 8px; padding: 22px; display: none;
  font-family: var(--mono);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.7);
}
#tweaks-panel.open { display: block; }
.tw-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.tw-head h6 { margin: 0; font-size: 11px; letter-spacing: 0.32em; color: var(--accent); text-transform: uppercase; font-weight: 500; }
.tw-head button { background: none; border: 0; color: var(--dust); cursor: pointer; font-size: 18px; }
.tw-row { padding: 14px 0; border-top: 1px solid color-mix(in oklab, var(--moon) 8%, transparent); }
.tw-row:first-of-type { border-top: 0; padding-top: 4px; }
.tw-label { display: flex; justify-content: space-between; align-items: center; font-size: 10px; letter-spacing: 0.22em; color: var(--dust); text-transform: uppercase; margin-bottom: 10px; }
.tw-label .val { color: var(--moon); }
.tw-row input[type=range] { width: 100%; -webkit-appearance: none; background: transparent; height: 18px; }
.tw-row input[type=range]::-webkit-slider-runnable-track { height: 1px; background: color-mix(in oklab, var(--moon) 18%, transparent); }
.tw-row input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); margin-top: -6px; box-shadow: 0 0 8px var(--accent); cursor: pointer; }
.tw-row input[type=range]::-moz-range-thumb { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 0; box-shadow: 0 0 8px var(--accent); }
.tw-swatches { display: flex; gap: 10px; flex-wrap: wrap; }
.tw-sw { width: 26px; height: 26px; border-radius: 50%; border: 1px solid color-mix(in oklab, var(--moon) 16%, transparent); cursor: pointer; transition: transform .25s, box-shadow .25s; }
.tw-sw.active { box-shadow: 0 0 0 2px var(--moon), 0 0 14px currentColor; }
.tw-sw:hover { transform: scale(1.08); }

/* reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 1.2s ease, transform 1.2s ease; }
.reveal.in { opacity: 1; transform: none; }