/* CODEX NOXX – Website-Styles
   Systemschriften, keine externen Requests. Farbwelt aus dem Buchcover (Schwarz, Gold). */

:root {
  --bg: #0b0a09;
  --bg-raised: #14120f;
  --bg-card: #191612;
  --line: #2c2720;
  --ink: #ece6da;
  --ink-soft: #c4bcae;
  --muted: #8f877a;
  --gold: #c9a45c;
  --gold-bright: #e2c27f;
  --gold-deep: #8a6b33;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --display: "Didot", "Bodoni 72", "Bodoni MT", "Playfair Display", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 72rem;
  --radius: 4px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--gold); text-underline-offset: 0.2em; }
a:hover { color: var(--gold-bright); }

:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 3px; }

.skip-link {
  position: absolute; left: 1rem; top: -3rem; z-index: 100;
  background: var(--gold); color: var(--bg); padding: 0.5rem 1rem; font-family: var(--sans); text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.wrap { width: min(100% - 2rem, var(--wrap)); margin-inline: auto; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1rem;
}

h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.15; margin: 0 0 1rem; color: var(--ink); }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1.1rem; }
.lead { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--ink-soft); }

/* Ornament */
.rule {
  display: flex; align-items: center; gap: 0.9rem; color: var(--gold-deep); margin: 1.75rem 0;
}
.rule::before, .rule::after { content: ""; height: 1px; flex: 1; background: linear-gradient(90deg, transparent, var(--gold-deep), transparent); }
.rule span { width: 7px; height: 7px; border: 1px solid var(--gold); transform: rotate(45deg); }
.rule.center { max-width: 22rem; margin-inline: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 10, 9, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 4rem; gap: 1rem; }
.wordmark {
  font-family: var(--display); font-size: 1.15rem; letter-spacing: 0.32em; color: var(--gold); text-decoration: none; white-space: nowrap;
}
.wordmark:hover { color: var(--gold-bright); }
.site-nav ul { list-style: none; display: flex; gap: 1.75rem; margin: 0; padding: 0; }
.site-nav a { font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--gold); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--ink); padding: 0.45rem 0.7rem; border-radius: var(--radius); font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; cursor: pointer; }

@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .site-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--line); display: none; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; padding: 0.5rem 1rem 1rem; }
  .site-nav a { display: block; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--sans); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 0.95rem 1.6rem; border-radius: var(--radius); text-decoration: none; border: 1px solid var(--gold); cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.btn-primary { background: var(--gold); color: var(--bg); }
.btn-primary:hover { background: var(--gold-bright); border-color: var(--gold-bright); color: var(--bg); }
.btn-ghost { background: transparent; color: var(--gold); }
.btn-ghost:hover { background: rgba(201, 164, 92, 0.1); color: var(--gold-bright); }
.btn[aria-disabled="true"] { background: transparent; color: var(--muted); border-color: var(--line); cursor: default; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.75rem; }
.btn-note { font-family: var(--sans); font-size: 0.8rem; color: var(--muted); margin-top: 0.75rem; }

/* Hero */
.hero {
  position: relative;
  padding: clamp(5rem, 14vw, 9rem) 0 clamp(4rem, 10vw, 7rem);
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(201, 164, 92, 0.12), transparent 70%),
    radial-gradient(ellipse 80% 60% at 50% 120%, rgba(138, 107, 51, 0.12), transparent 70%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero h1 {
  font-size: clamp(2.8rem, 11vw, 7.5rem);
  letter-spacing: 0.18em;
  margin-right: -0.18em;
  color: transparent;
  background: linear-gradient(180deg, var(--gold-bright) 0%, var(--gold) 55%, var(--gold-deep) 100%);
  -webkit-background-clip: text; background-clip: text;
  margin-bottom: 0.5rem;
}
@media (max-width: 560px) {
  .hero h1 { font-size: clamp(2rem, 11vw, 3rem); letter-spacing: 0.1em; margin-right: -0.1em; }
  .book-title { font-size: clamp(1.7rem, 8vw, 2.2rem); }
}
.hero .claim { font-family: var(--display); font-style: italic; font-size: clamp(1.3rem, 3vw, 1.9rem); color: var(--ink); margin: 0; }
.hero .lead { max-width: 40rem; margin: 0 auto; }
.hero .btn-row { justify-content: center; }

/* Sections */
.section { padding: clamp(4rem, 9vw, 7rem) 0; border-bottom: 1px solid var(--line); }
.section.alt { background: var(--bg-raised); }
.section-head { max-width: 44rem; margin-bottom: 3rem; }
.section-head.center { text-align: center; margin-inline: auto; }

/* Featured book */
.feature { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.cover-frame { position: relative; }
.cover-frame img { width: 100%; max-width: 26rem; margin-inline: auto; border-radius: 2px; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(201, 164, 92, 0.15); }
.cover-frame::after { content: ""; position: absolute; inset: 10% 10% -6%; background: radial-gradient(closest-side, rgba(201, 164, 92, 0.18), transparent); z-index: -1; filter: blur(30px); }
.book-title { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: 0.02em; }
.book-subtitle { font-style: italic; font-size: 1.2rem; color: var(--ink-soft); }
.book-author { font-family: var(--sans); font-size: 0.85rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.5rem; }
.meta-line { font-family: var(--sans); font-size: 0.85rem; color: var(--muted); letter-spacing: 0.04em; }
.meta-line strong { color: var(--ink); font-weight: 600; }

.check-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.check-list li { position: relative; padding-left: 1.6rem; margin-bottom: 0.7rem; color: var(--ink-soft); }
.check-list li::before { content: ""; position: absolute; left: 0; top: 0.65em; width: 7px; height: 7px; border: 1px solid var(--gold); transform: rotate(45deg); }

@media (max-width: 820px) {
  .feature { grid-template-columns: 1fr; }
  .feature .cover-frame img { max-width: 18rem; }
}

/* Pillars */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.pillar { background: var(--bg-card); border: 1px solid var(--line); padding: 2rem 1.75rem; border-radius: var(--radius); }
.pillar .num { font-family: var(--display); font-size: 2.2rem; color: var(--gold-deep); line-height: 1; margin-bottom: 1rem; display: block; }
.pillar p { color: var(--ink-soft); margin: 0; }
@media (max-width: 900px) { .pillars { grid-template-columns: 1fr; } }

.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; margin-top: 3.5rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.principles h3 { font-size: 1.1rem; color: var(--gold); font-family: var(--sans); font-weight: 600; letter-spacing: 0.08em; }
.principles p { color: var(--ink-soft); margin: 0; font-size: 1rem; }
@media (max-width: 900px) { .principles { grid-template-columns: 1fr; gap: 1.5rem; } }

/* Library */
.library { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 2rem; }
.book-card { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.book-card .cover { aspect-ratio: 2 / 3; background: var(--bg-card); border: 1px solid var(--line); border-radius: 2px; overflow: hidden; margin-bottom: 1.1rem; transition: transform 0.3s, box-shadow 0.3s; }
.book-card .cover img { width: 100%; height: 100%; object-fit: cover; }
a.book-card:hover .cover { transform: translateY(-4px); box-shadow: 0 24px 40px -18px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(201, 164, 92, 0.35); }
.book-card h3 { font-size: 1.15rem; margin-bottom: 0.3rem; letter-spacing: 0.02em; }
.book-card .by { font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin: 0; }
.book-card .tag { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin: 0 0 0.5rem; }
.book-card.placeholder .cover { display: grid; place-content: center; text-align: center; padding: 1.5rem; background: repeating-linear-gradient(135deg, var(--bg-card), var(--bg-card) 12px, #1c1915 12px, #1c1915 24px); }
.book-card.placeholder .cover span { font-family: var(--display); font-style: italic; color: var(--muted); font-size: 1.1rem; }
@media (prefers-reduced-motion: reduce) { .book-card .cover { transition: none; } a.book-card:hover .cover { transform: none; } }

/* Book page */
.book-hero { padding: clamp(3.5rem, 8vw, 6rem) 0; border-bottom: 1px solid var(--line); background: radial-gradient(ellipse 50% 60% at 25% 40%, rgba(201, 164, 92, 0.1), transparent 70%); }
.breadcrumb { font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 2rem; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--gold); }
.price { font-family: var(--display); font-size: 2rem; color: var(--ink); margin: 0.5rem 0 0; }

.prose { max-width: 42rem; }
.prose p { color: var(--ink-soft); }
.prose p.big { font-family: var(--display); font-size: clamp(1.5rem, 3vw, 2.1rem); color: var(--ink); line-height: 1.3; }

.chapters { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 3rem; counter-reset: ch; }
.chapters li { counter-increment: ch; display: grid; grid-template-columns: 3rem 1fr; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.chapters li::before { content: counter(ch, decimal-leading-zero); font-family: var(--display); color: var(--gold-deep); font-size: 1.4rem; line-height: 1.2; }
.chapters strong { display: block; font-weight: 400; font-family: var(--display); font-size: 1.15rem; color: var(--ink); }
.chapters span { color: var(--muted); font-size: 0.95rem; }
@media (max-width: 820px) { .chapters { grid-template-columns: 1fr; } }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; counter-reset: st; }
.steps .pillar { counter-increment: st; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }

.points { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.points li { background: var(--bg-card); border: 1px solid var(--line); border-left: 2px solid var(--gold); padding: 1.25rem 1.5rem; border-radius: var(--radius); color: var(--ink-soft); }
.points strong { color: var(--ink); font-weight: 600; }

.cta-band { text-align: center; }
.cta-band .btn-row { justify-content: center; }

.disclaimer { font-family: var(--sans); font-size: 0.8rem; color: var(--muted); max-width: 44rem; margin: 2.5rem auto 0; text-align: center; }

/* Legal pages */
.legal { padding: clamp(3rem, 8vw, 5rem) 0; }
.legal .wrap { max-width: 46rem; }
.legal h1 { font-size: clamp(2.2rem, 5vw, 3rem); }
.legal h2 { font-size: 1.5rem; margin-top: 2.5rem; }
.legal p, .legal li { color: var(--ink-soft); }
.legal address { font-style: normal; color: var(--ink); line-height: 1.7; margin-bottom: 1.2rem; }

/* Footer */
.site-footer { padding: 3.5rem 0 2.5rem; background: #080706; }
.site-footer .wrap { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.site-footer .wordmark { font-size: 1rem; }
.site-footer p { font-family: var(--sans); font-size: 0.8rem; color: var(--muted); margin: 0.6rem 0 0; }
.footer-links { list-style: none; display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 0; padding: 0; }
.footer-links a { font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; }
.footer-links a:hover { color: var(--gold); }
@media (max-width: 720px) { .site-footer .wrap { grid-template-columns: 1fr; } }

/* Reveal on scroll (nur mit JS, nur ohne reduzierte Bewegung) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* 404 */
.notfound { min-height: 70vh; display: grid; place-content: center; text-align: center; padding: 4rem 1rem; }
.notfound h1 { font-size: clamp(3rem, 10vw, 6rem); color: var(--gold); letter-spacing: 0.1em; }