/* ------------------------------------------------------------------ */
/* Bitcoin Silver — Stylesheet für die statischen Rechtstexte          */
/* ------------------------------------------------------------------ */
/* privacy.html, terms.html und risk-disclosure.html werden an der      */
/* React-App vorbei ausgeliefert. Damit sie trotzdem wie die Hauptseite */
/* aussehen, spiegelt diese Datei deren Design-Tokens (src/index.css).  */
/* Ändert sich dort die Palette, muss sie hier nachgezogen werden.      */

/* Dieselben Variable Fonts wie die Hauptseite, hier aus /fonts statt aus
   dem gehashten Build-Ordner — eine statische Seite kann den nicht
   auflösen. Nur der Latin-Subset: die Rechtstexte sind englisch. */
@font-face {
  font-family: "Inter Legal";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("/fonts/inter-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F,
    U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Sora Legal";
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url("/fonts/sora-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F,
    U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --surface-0: 220 12% 5%;
  --surface-1: 220 10% 9%;
  --surface-2: 220 9% 13%;
  --surface-3: 220 9% 18%;

  --fg: 210 12% 91%;
  --fg-muted: 213 9% 63%;
  --fg-subtle: 215 8% 45%;

  --line: 220 8% 17%;
  --line-strong: 220 8% 28%;

  --brand: 189 64% 56%;

  --radius: 0.75rem;

  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: hsl(var(--surface-0));
  color: hsl(var(--fg));
  font-family: "Inter Legal", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: hsl(var(--brand));
  text-decoration: none;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration: underline;
}

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

::selection {
  background: hsl(var(--brand) / 0.28);
}

/* ---------------------------------------------------------------- */
/* Kopf                                                              */
/* ---------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid hsl(var(--line));
  background: hsl(var(--surface-0) / 0.8);
  backdrop-filter: blur(16px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4rem;
}

.brand {
  font-family: "Sora Legal", "Inter Legal", sans-serif;
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: hsl(var(--fg));
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 2.25rem;
  height: 2.25rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid hsl(var(--line));
  border-radius: calc(var(--radius) - 3px);
  background: hsl(var(--surface-1));
  color: hsl(var(--fg-muted));
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
}

.back-link:hover {
  border-color: hsl(var(--line-strong));
  color: hsl(var(--fg));
  text-decoration: none;
}

/* ---------------------------------------------------------------- */
/* Layout                                                            */
/* ---------------------------------------------------------------- */

.shell {
  width: 100%;
  max-width: 1760px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 3.5vw, 4rem);
}

/* Fließtext bleibt schmal — lange Zeilen sind unlesbar, unabhängig
   davon, wie breit der Bildschirm ist. */
.prose-shell {
  width: 100%;
  max-width: 52rem;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 4.5rem);
}

main {
  padding-block: clamp(3rem, 6vw, 5.5rem) clamp(4rem, 8vw, 7rem);
}

/* ---------------------------------------------------------------- */
/* Typografie                                                        */
/* ---------------------------------------------------------------- */

.eyebrow {
  display: block;
  margin-bottom: 0.75rem;
  color: hsl(var(--brand));
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  font-family: "Sora Legal", "Inter Legal", sans-serif;
  margin: 0;
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.028em;
  font-weight: 700;
  text-wrap: balance;
}

.meta {
  margin: 1.25rem 0 0;
  color: hsl(var(--fg-subtle));
  font-size: 0.875rem;
}

.meta strong {
  color: hsl(var(--fg-muted));
  font-weight: 500;
}

hr {
  margin: 2.5rem 0;
  border: 0;
  border-top: 1px solid hsl(var(--line));
}

h2 {
  font-family: "Sora Legal", "Inter Legal", sans-serif;
  margin: 3rem 0 0.875rem;
  font-size: 1.375rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 650;
  text-wrap: balance;
}

h3 {
  font-family: "Sora Legal", "Inter Legal", sans-serif;
  margin: 2rem 0 0.625rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

p {
  margin: 0 0 1.125rem;
  color: hsl(var(--fg-muted));
  text-wrap: pretty;
}

strong {
  color: hsl(var(--fg));
  font-weight: 600;
}

ul,
ol {
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
  color: hsl(var(--fg-muted));
}

li {
  margin-bottom: 0.5rem;
}

li::marker {
  color: hsl(var(--brand) / 0.7);
}

/* Hervorgehobener Hinweiskasten */
.callout {
  margin: 2rem 0;
  padding: 1.25rem 1.375rem;
  border: 1px solid hsl(var(--line));
  border-left: 3px solid hsl(var(--brand));
  border-radius: calc(var(--radius) - 3px);
  background: hsl(var(--surface-1));
}

.callout > :last-child {
  margin-bottom: 0;
}

/* ---------------------------------------------------------------- */
/* Fuß                                                               */
/* ---------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid hsl(var(--line));
  background: hsl(var(--surface-1) / 0.4);
  padding-block: 2.5rem;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: hsl(var(--fg-subtle));
  font-size: 0.875rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-footer nav a {
  color: hsl(var(--fg-muted));
}

.site-footer nav a[aria-current="page"] {
  color: hsl(var(--fg));
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}