/* ============================================================
   AnvaCode Glossar — gemeinsamer Stylesheet
   Design-Tokens & Chrome identisch zu ablauf.html
   ============================================================ */
:root {
  --bg:        #FAFBFC;
  --bg-2:      #F1F3F5;
  --bg-3:      #E6E9EC;
  --paper:     #FFFFFF;
  --ink:       #0F1216;
  --ink-2:     #2A3038;
  --ink-3:     #5C6470;
  --ink-4:     #8A9099;
  --rule:        #E5E7EA;
  --rule-strong: #D1D5DA;
  --accent:      #1E5F74;
  --accent-2:    #2A7C95;
  --accent-soft: #E8F1F4;
  --success:     #1F7A4D;
  --success-soft:#E5F2EC;
  --c-teal:    #1E5F74;   --c-teal-soft:    #E8F1F4;
  --c-amber:   #D97706;   --c-amber-soft:   #FEF3C7;
  --c-indigo:  #4F46E5;   --c-indigo-soft:  #E0E7FF;
  --c-rose:    #E11D48;   --c-rose-soft:    #FFE4E6;
  --c-emerald: #059669;   --c-emerald-soft: #D1FAE5;
  --c-violet:  #7C3AED;   --c-violet-soft:  #EDE9FE;
  --shadow-sm: 0 1px 2px rgba(15, 18, 22, 0.04), 0 0 0 1px rgba(15, 18, 22, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 18, 22, 0.05), 0 0 0 1px rgba(15, 18, 22, 0.04);
  --shadow-lg: 0 16px 48px rgba(15, 18, 22, 0.08), 0 0 0 1px rgba(15, 18, 22, 0.04);
  --sans: "Geist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --container: 1320px;
  --gutter:    clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4.5rem, 9vw, 7.5rem);
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --nav-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); font-size: 17.5px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-weight: 400; font-size: 1rem; line-height: 1.55;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden; font-feature-settings: "ss01", "cv11";
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
::selection { background: var(--accent); color: var(--paper); }

.container {
  width: 100%; max-width: var(--container);
  margin: 0 auto; padding-inline: var(--gutter);
}

/* Typography */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-size: 0.73rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--accent); }
h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.022em; color: var(--ink); margin: 0; }
.h-display { font-size: clamp(2.4rem, 5.5vw, 4.5rem); line-height: 1.02; letter-spacing: -0.03em; }
.h-section { font-size: clamp(1.85rem, 3.4vw, 2.75rem); line-height: 1.06; letter-spacing: -0.025em; }
.lede { font-size: clamp(1.05rem, 1.3vw, 1.18rem); line-height: 1.55; color: var(--ink-2); max-width: 56ch; }
.num-mono { font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; }

/* Reading progress bar */
.scroll-progress {
  position: fixed; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, hsl(195, 75%, 50%) 0%, hsl(245, 65%, 55%) 50%, hsl(280, 65%, 55%) 100%);
  transform: scaleX(0); transform-origin: 0 50%;
  z-index: 1000; pointer-events: none; will-change: transform;
  box-shadow: 0 2px 10px hsla(245, 60%, 50%, 0.35);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.9rem 1.4rem; font-size: 0.92rem; font-weight: 500;
  letter-spacing: -0.005em; border-radius: 8px;
  border: 1px solid transparent;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease-out);
  cursor: pointer; white-space: nowrap;
}
.btn--primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--primary:hover { background: var(--accent); border-color: var(--accent); }
.btn--secondary { background: var(--paper); color: var(--ink); border-color: var(--rule-strong); }
.btn--secondary:hover { border-color: var(--ink); background: var(--bg-2); }
.btn--accent { background: var(--accent); color: var(--paper); border-color: var(--accent); }
.btn--accent:hover { background: var(--ink); border-color: var(--ink); }
.btn--lg { padding: 1rem 1.6rem; font-size: 0.98rem; }
.btn .arrow { width: 14px; height: 14px; transition: transform 0.3s var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent;
  display: flex; align-items: center;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav.is-scrolled { background: rgba(250, 251, 252, 0.95); border-bottom-color: var(--rule); }
.nav__inner {
  width: 100%; max-width: var(--container);
  margin: 0 auto; padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--ink); }
.brand__mark { width: 48px; height: 48px; display: grid; place-items: center; overflow: hidden; }
.brand__logo { width: 100%; height: 100%; object-fit: contain; display: block; }
.brand__text { font-size: 1rem; font-weight: 700; letter-spacing: -0.02em; }
.brand__text sub {
  display: block; font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3); margin-top: 1px;
}
.nav__links { display: flex; align-items: center; gap: 1.85rem; list-style: none; margin: 0; padding: 0; }
.nav__links a { font-size: 0.92rem; font-weight: 500; color: var(--ink-2); transition: color 0.2s var(--ease); position: relative; }
.nav__links a:hover { color: var(--accent); }
.nav__links a.is-current { color: var(--accent); }
.nav__links a.is-current::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--accent); border-radius: 1px;
}
.nav__right { display: flex; align-items: center; gap: 0.85rem; }
.nav__toggle {
  display: none; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: 8px; border: 1px solid var(--rule-strong);
  color: var(--ink); background: var(--paper);
}
.nav__toggle svg { width: 18px; height: 18px; }
@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-flex; }
}
@media (max-width: 540px) {
  .nav__right .btn { display: none; }
}
.nav__drawer {
  position: fixed; inset: 0; background: var(--bg);
  z-index: 100; transform: translateX(100%);
  transition: transform 0.4s var(--ease);
  display: flex; flex-direction: column; padding: var(--gutter);
}
.nav__drawer.is-open { transform: translateX(0); }
.nav__drawer-head { display: flex; justify-content: space-between; align-items: center; height: var(--nav-h); }
.nav__drawer-links { list-style: none; padding: 0; margin: 2.5rem 0 0; display: flex; flex-direction: column; }
.nav__drawer-links li { border-bottom: 1px solid var(--rule); }
.nav__drawer-links a { display: block; padding: 1.2rem 0; font-size: 1.4rem; font-weight: 500; color: var(--ink); }
.nav__drawer-foot { margin-top: auto; padding-top: 2rem; display: flex; flex-direction: column; gap: 0.85rem; }
.nav__drawer-foot a { color: var(--ink-2); }
.nav__drawer-foot .btn { width: 100%; justify-content: center; }

/* ============================================================
   PAGE HERO
   ============================================================ */
.page-hero {
  padding-block: clamp(3rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem);
  position: relative;
  background:
    radial-gradient(ellipse 70% 50% at 80% 0%, var(--c-amber-soft) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 100%, var(--c-indigo-soft) 0%, transparent 60%),
    var(--bg);
  overflow: hidden;
}
.page-hero__breadcrumb {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; color: var(--ink-3); margin-bottom: 1.5rem;
}
.page-hero__breadcrumb a:hover { color: var(--accent); }
.page-hero__breadcrumb .sep { color: var(--ink-4); }
.page-hero__breadcrumb .current { color: var(--ink); font-weight: 500; }
.page-hero__inner { max-width: 880px; }
.page-hero__inner .eyebrow { margin-bottom: 1.25rem; }
.page-hero h1 { margin-bottom: 1.5rem; }
.page-hero h1 .accent { color: var(--accent); }
.page-hero__lede { color: var(--ink-2); font-size: clamp(1.1rem, 1.4vw, 1.3rem); line-height: 1.5; max-width: 64ch; margin: 0 0 2rem; }

/* ============================================================
   GLOSSAR — Definitions-Karte (Hero-Box auf Detail-Seiten)
   ============================================================ */
.def-card {
  margin-top: 2.5rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 18px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: start;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.def-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 80% at 100% 0%, var(--accent-soft) 0%, transparent 70%);
  pointer-events: none;
}
.def-card__body { position: relative; z-index: 1; }
.def-card__label {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.6rem;
}
.def-card__term {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 700; letter-spacing: -0.025em;
  color: var(--ink); margin-bottom: 0.6rem; line-height: 1.15;
}
.def-card__def {
  font-size: 1.05rem; line-height: 1.55; color: var(--ink-2);
  max-width: 60ch;
}
.def-card__icon {
  position: relative; z-index: 1;
  width: 72px; height: 72px;
  border-radius: 16px;
  background: var(--accent-soft);
  display: grid; place-items: center;
  color: var(--accent);
}
.def-card__icon svg { width: 36px; height: 36px; }
@media (max-width: 540px) {
  .def-card { grid-template-columns: 1fr; }
}

/* ============================================================
   CONTENT SECTIONS
   ============================================================ */
.content-section {
  padding-block: clamp(3rem, 6vw, 5rem);
}
.content-section--alt { background: var(--bg-2); }
.sec-head {
  max-width: 720px;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
}
.sec-head--center { text-align: center; }
.sec-head--center .eyebrow { justify-content: center; }
.sec-head--center .eyebrow::before { display: none; }
.sec-head h2 { margin-bottom: 0.85rem; }
.sec-head p { color: var(--ink-2); font-size: 1.05rem; line-height: 1.6; }

.prose {
  max-width: 760px; margin: 0 auto;
  font-size: 1.06rem; line-height: 1.7; color: var(--ink-2);
}
.prose h3 {
  font-size: 1.35rem; margin: 2rem 0 0.85rem; color: var(--ink);
}
.prose h3:first-child { margin-top: 0; }
.prose p { margin: 0 0 1.1rem; }
.prose ul { margin: 0 0 1.25rem; padding-left: 1.4rem; }
.prose li { margin-bottom: 0.5rem; }
.prose li::marker { color: var(--accent); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.92em;
  background: var(--accent-soft); color: var(--accent);
  padding: 0.1em 0.4em; border-radius: 4px;
}

/* Use-case cards (Für wen sinnvoll?) */
.use-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  max-width: 1080px; margin: 0 auto;
}
.use-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 1.35rem 1.25rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  transition: transform 0.2s var(--ease-out), border-color 0.2s var(--ease);
}
.use-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.use-card__icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
  font-size: 1.15rem;
}
.use-card__title { font-size: 1rem; font-weight: 600; color: var(--ink); }
.use-card__text { font-size: 0.92rem; color: var(--ink-3); line-height: 1.5; }

/* AnvaCode-Bezug-Block */
.anva-link-box {
  max-width: 880px; margin: 2.5rem auto 0;
  background: var(--ink);
  color: var(--paper);
  border-radius: 18px;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
}
.anva-link-box h3 { color: var(--paper); margin-bottom: 0.4rem; font-size: 1.3rem; }
.anva-link-box p { color: rgba(255,255,255,0.75); font-size: 0.96rem; margin: 0; max-width: 56ch; }
.anva-link-box .btn--primary { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.anva-link-box .btn--primary:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }
@media (max-width: 640px) {
  .anva-link-box { grid-template-columns: 1fr; }
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 820px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 0.75rem;
}
.faq-item {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s var(--ease);
}
.faq-item[open] { border-color: var(--accent); }
.faq-item summary {
  list-style: none;
  padding: 1.1rem 1.35rem;
  font-size: 1.02rem; font-weight: 600; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 1.4rem; font-weight: 400;
  color: var(--accent); transition: transform 0.2s var(--ease);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item__body {
  padding: 0 1.35rem 1.25rem;
  color: var(--ink-2); font-size: 0.98rem; line-height: 1.6;
}

/* ============================================================
   GLOSSAR-INDEX — Begriffs-Karten-Grid
   ============================================================ */
.glossar-search-bar {
  max-width: 560px; margin: 0 auto 2rem;
  position: relative;
}
.glossar-search-bar input {
  width: 100%;
  padding: 0.95rem 1.1rem 0.95rem 2.8rem;
  font: inherit; font-size: 1rem;
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 12px;
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.glossar-search-bar input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.glossar-search-bar svg {
  position: absolute; left: 1rem; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--ink-3);
}

.glossar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.1rem;
  max-width: 1180px; margin: 0 auto;
}
.glossar-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 1.5rem 1.4rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  transition: transform 0.2s var(--ease-out), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  position: relative;
}
.glossar-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.glossar-card__head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 0.75rem; margin-bottom: 0.25rem;
}
.glossar-card__letter {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
  font-size: 1.1rem; font-weight: 700;
}
.glossar-card__cat {
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-4);
}
.glossar-card__term {
  font-size: 1.15rem; font-weight: 700;
  letter-spacing: -0.018em;
  color: var(--ink);
}
.glossar-card__abbr {
  font-size: 0.85rem; color: var(--accent);
  font-weight: 500;
  margin-top: -0.2rem;
}
.glossar-card__def {
  font-size: 0.93rem; line-height: 1.5;
  color: var(--ink-3);
}
.glossar-card__more {
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 0.85rem; font-weight: 600;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.glossar-card__more::after {
  content: "→"; transition: transform 0.2s var(--ease-out);
}
.glossar-card:hover .glossar-card__more::after { transform: translateX(3px); }
.glossar-card.is-hidden { display: none; }

/* Related-Karten am Ende der Detail-Seiten */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  max-width: 880px; margin: 1.5rem auto 0;
}
.related-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  display: flex; flex-direction: column; gap: 0.35rem;
  transition: transform 0.2s var(--ease-out), border-color 0.2s var(--ease);
}
.related-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.related-card__term { font-size: 0.98rem; font-weight: 600; color: var(--ink); }
.related-card__teaser { font-size: 0.86rem; color: var(--ink-3); line-height: 1.45; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--bg);
  border-top: 1px solid var(--rule);
  padding-block: clamp(2.5rem, 5vw, 4rem) 1.5rem;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}
.footer__brand-block { max-width: 320px; }
.footer__brand-block .brand { margin-bottom: 1rem; }
.footer__tag { color: var(--ink-3); font-size: 0.92rem; line-height: 1.55; }
.footer__col h4 {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 1rem;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.footer__col a { font-size: 0.92rem; color: var(--ink-2); transition: color 0.2s var(--ease); }
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
  font-size: 0.82rem; color: var(--ink-3);
}
.footer__bottom-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer__bottom-links a:hover { color: var(--ink); }
@media (max-width: 760px) { .footer__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer__top { grid-template-columns: 1fr; } }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: translateY(0); }