/* ============================================================
   KONTUR Rechtsanwälte - plantilla premium 06 (Beispielinhalt)
   Dirección de arte: tinta azul-negro + papel pergamino + oxblood.
   Grid suizo, numeración por capítulos, serifa clásica grande.
   Mobile-first · design tokens · solo transform/opacity animan.
   Estados ocultos pre-animación SOLO bajo html.js.
   ============================================================ */

/* ---------- Fuentes autohospedadas (variables) ---------- */
@font-face {
  font-family: 'Cormorant Garamond';
  src: url('../fonts/cormorant-garamond-var.woff2') format('woff2-variations');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Cormorant Garamond';
  src: url('../fonts/cormorant-garamond-var-italic.woff2') format('woff2-variations');
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-var.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  --ink: #10161f;            /* tinta azul-negro profundo */
  --ink-2: #19212e;          /* tinta elevada */
  --ink-line: #2b3547;       /* líneas sobre tinta */
  --ink-text: #1b222c;       /* texto sobre papel */
  --ink-soft: #4d5563;       /* texto secundario sobre papel */
  --paper: #f3eee2;          /* pergamino */
  --paper-2: #ebe4d2;        /* pergamino sombreado */
  --paper-line: #d9cfb6;     /* filetes sobre papel */
  --paper-on-ink: rgba(243, 238, 226, 0.78);
  --oxblood: #7c2634;        /* acento oxblood */
  --oxblood-deep: #5e1d27;
  --gold-line: #b39a63;      /* filete dorado discreto */

  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-ui: 'Archivo', 'Segoe UI', system-ui, sans-serif;

  --wrap: 76rem;
  --gutter: clamp(1.25rem, 4vw, 2.75rem);
  --radius-s: 0.375rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset mínimo ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html.lenis { scroll-behavior: auto; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-text);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, figure, blockquote, address { margin: 0; }
address { font-style: normal; }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 0.75rem; left: 0.75rem; z-index: 100;
  background: var(--oxblood); color: var(--paper);
  padding: 0.6rem 1rem; border-radius: var(--radius-s);
  font-weight: 600; text-decoration: none;
  transform: translateY(-300%);
  transition: transform 0.25s var(--ease-out);
}
.skip-link:focus-visible { transform: translateY(0); }

::selection { background: var(--oxblood); color: var(--paper); }
:focus-visible { outline: 2px solid var(--oxblood); outline-offset: 3px; }

/* ---------- Barra de progreso ---------- */
.scroll-progress {
  position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 90; pointer-events: none;
}
.scroll-progress span {
  display: block; height: 100%;
  background: var(--oxblood);
  transform-origin: left center; transform: scaleX(0);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 80;
  padding-block: 1.05rem;
  color: var(--paper);
  transition: padding 0.35s var(--ease-out), background-color 0.35s, box-shadow 0.35s, color 0.35s;
}
.site-header.is-scrolled {
  padding-block: 0.55rem;
  background: rgba(16, 22, 31, 0.9);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(243, 238, 226, 0.12);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand-mark {
  width: 2.1rem; height: 2.1rem;
  display: grid; place-items: center;
  border: 1px solid var(--gold-line);
  font-family: var(--font-display); font-weight: 600; font-size: 1.25rem;
  color: var(--paper);
}
.brand-word { font-weight: 600; font-size: 1rem; letter-spacing: 0.04em; line-height: 1.1; }
.brand-word em {
  display: block; font-style: normal; font-weight: 500;
  font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold-line);
}
.site-nav { display: none; }
.site-nav ul { display: flex; gap: 1.5rem; }
.site-nav a {
  text-decoration: none; font-size: 0.88rem; font-weight: 500;
  letter-spacing: 0.03em; color: var(--paper-on-ink);
  position: relative; padding-block: 0.3rem;
}
.site-nav a::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--gold-line);
  transition: right 0.3s var(--ease-out);
}
.site-nav a:hover { color: var(--paper); }
.site-nav a:hover::after { right: 0; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  text-decoration: none; font-weight: 600; font-size: 0.92rem;
  letter-spacing: 0.04em;
  line-height: 1; padding: 0.9rem 1.6rem;
  border: 1px solid transparent; border-radius: var(--radius-s);
  transition: transform 0.3s var(--ease-out), background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.btn-primary {
  background: var(--oxblood); color: var(--paper);
  box-shadow: 0 12px 26px -12px rgba(124, 38, 52, 0.7);
}
.btn-primary:hover { background: var(--oxblood-deep); transform: translateY(-2px); }
.btn-ghost-dark { border-color: rgba(243, 238, 226, 0.35); color: var(--paper); }
.btn-ghost-dark:hover { border-color: var(--gold-line); transform: translateY(-2px); }
.btn-ghost-light { border-color: rgba(243, 238, 226, 0.35); color: var(--paper); }
.btn-ghost-light:hover { border-color: var(--gold-line); transform: translateY(-2px); }
.btn-nav {
  background: transparent; color: var(--paper);
  border-color: rgba(243, 238, 226, 0.4);
  padding: 0.65rem 1.15rem; font-size: 0.83rem;
}
.btn-nav:hover { background: var(--oxblood); border-color: var(--oxblood); }
.btn-big { padding: 1.05rem 1.9rem; font-size: 1rem; }

/* ---------- Índice de capítulos (desktop) ---------- */
.chapter-index {
  position: fixed; left: 1.4rem; top: 50%; z-index: 70;
  transform: translateY(-50%);
  display: none;
}
.chapter-index ul { display: grid; gap: 0.85rem; }
.chapter-index a {
  display: flex; align-items: baseline; gap: 0.6rem;
  text-decoration: none;
  color: var(--ink-soft);
  opacity: 0.55;
  transition: opacity 0.3s, color 0.3s, transform 0.3s var(--ease-out);
}
.chapter-index .ci-num {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1rem; min-width: 1.6rem;
  font-variant-numeric: lining-nums;
}
.chapter-index .ci-label {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.3s, transform 0.3s var(--ease-out);
}
.chapter-index a:hover, .chapter-index a.is-active { opacity: 1; color: var(--oxblood); }
.chapter-index a:hover .ci-label, .chapter-index a.is-active .ci-label { opacity: 1; transform: translateX(0); }
.chapter-index.on-ink a { color: var(--paper-on-ink); opacity: 0.75; }
.chapter-index.on-ink a:hover, .chapter-index.on-ink a.is-active { color: var(--gold-line); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(60rem 34rem at 82% 115%, rgba(124, 38, 52, 0.28), transparent 62%),
    radial-gradient(50rem 30rem at -10% -20%, rgba(179, 154, 99, 0.12), transparent 60%),
    var(--ink);
  color: var(--paper);
  min-height: 100svh;
  display: flex; align-items: center;
  padding-block: clamp(7.5rem, 18vh, 11rem) clamp(3rem, 8vh, 5rem);
  overflow: clip;
}
.hero-rules { position: absolute; inset: 0; pointer-events: none; }
.hero-rules span {
  position: absolute; top: 0; bottom: 0; width: 1px;
  background: rgba(243, 238, 226, 0.07);
}
.hero-rules span:nth-child(1) { left: 25%; }
.hero-rules span:nth-child(2) { left: 50%; }
.hero-rules span:nth-child(3) { left: 75%; }
.hero-inner { position: relative; width: 100%; }
.hero-kicker {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--gold-line);
  margin-bottom: 1.6rem;
}
.hero-title {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(3.1rem, 10.5vw, 7.6rem);
  line-height: 0.98; letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 13ch;
  margin-bottom: clamp(1.8rem, 5vh, 3rem);
}
.hero-title em { font-style: italic; font-weight: 500; color: var(--gold-line); }
.hero-title .line { display: block; overflow: hidden; padding-bottom: 0.09em; margin-bottom: -0.06em; }
.hero-title .line-inner { display: inline-block; }
.hero-foot {
  display: grid; gap: 2rem;
  border-top: 1px solid var(--ink-line);
  padding-top: 1.8rem;
}
.hero-lead {
  max-width: 34rem; font-size: clamp(1rem, 1.5vw, 1.12rem);
  color: var(--paper-on-ink); font-weight: 300; line-height: 1.7;
}
.hero-facts { display: flex; flex-wrap: wrap; gap: 1.6rem 2.4rem; align-content: start; }
.hero-facts p { display: grid; gap: 0.15rem; }
.hero-facts strong {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.5rem; line-height: 1; color: var(--paper);
}
.hero-facts span { font-size: 0.8rem; color: var(--paper-on-ink); letter-spacing: 0.02em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.2rem; }

.beispiel-tag {
  display: inline-block; font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); border: 1px solid var(--paper-line);
  border-radius: 999px; padding: 0.12rem 0.5rem;
  vertical-align: middle; margin-left: 0.35rem; white-space: nowrap;
}
.beispiel-tag-dark { color: var(--gold-line); border-color: rgba(179, 154, 99, 0.4); }

/* ---------- Cabecera de capítulo ---------- */
.kapitel { padding-block: clamp(4.5rem, 13vh, 8.5rem); }
.kap-head { margin-bottom: clamp(2.5rem, 7vh, 4.5rem); max-width: 46rem; }
.kap-num {
  font-family: var(--font-display); font-style: italic; font-weight: 500;
  font-size: 1.05rem; color: var(--oxblood);
  display: flex; align-items: center; gap: 0.8rem;
  margin-bottom: 1.1rem;
}
.kap-num::after { content: ''; flex: 0 0 3.2rem; height: 1px; background: currentColor; opacity: 0.5; }
.kap-num-light { color: var(--gold-line); }
.kap-title {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(2.3rem, 6vw, 4.2rem);
  line-height: 1.02; letter-spacing: -0.005em;
  color: var(--ink-text);
}
.kap-title em { font-style: italic; color: var(--oxblood); }
.kap-title .line { display: block; overflow: hidden; padding-bottom: 0.09em; margin-bottom: -0.05em; }
.kap-title .line-inner { display: inline-block; }
.kap-intro { margin-top: 1.4rem; color: var(--ink-soft); max-width: 34rem; }

/* ---------- Kapitel I - Kompetenzen ---------- */
.praxis-list { border-top: 1px solid var(--paper-line); }
.praxis-item {
  position: relative;
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 1rem 1.4rem; align-items: start;
  padding-block: 1.8rem;
  border-bottom: 1px solid var(--paper-line);
}
.praxis-item::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: -1px;
  height: 2px; background: var(--oxblood);
  transition: right 0.5s var(--ease-out);
}
.praxis-item:hover::after { right: 0; }
.praxis-num {
  font-family: var(--font-display); font-weight: 500; font-style: italic;
  font-size: 1.15rem; color: var(--oxblood);
  padding-top: 0.5rem;
}
.praxis-name {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.7rem, 3.6vw, 2.6rem); line-height: 1.05;
  transition: transform 0.4s var(--ease-out);
}
.praxis-item:hover .praxis-name { transform: translateX(0.5rem); }
.praxis-desc { margin-top: 0.7rem; color: var(--ink-soft); max-width: 36rem; font-size: 0.96rem; }
.praxis-tags {
  margin-top: 0.8rem; font-size: 0.74rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--oxblood);
}
.praxis-arrow {
  width: 2.6rem; height: 2.6rem; margin-top: 0.3rem;
  display: grid; place-items: center;
  border: 1px solid var(--paper-line); border-radius: 50%;
  color: var(--ink-soft);
  transition: transform 0.4s var(--ease-out), color 0.3s, border-color 0.3s, background-color 0.3s;
}
.praxis-arrow svg { width: 1.15rem; height: 1.15rem; }
.praxis-item:hover .praxis-arrow {
  transform: translateX(0.4rem);
  background: var(--oxblood); border-color: var(--oxblood); color: var(--paper);
}
.praxis-foot {
  margin-top: 1.8rem; color: var(--ink-soft);
  font-size: 0.95rem; max-width: 40rem;
}

/* ---------- Kapitel II - Kanzlei (tinta) ---------- */
.kanzlei {
  background:
    radial-gradient(50rem 30rem at 100% 0%, rgba(124, 38, 52, 0.2), transparent 60%),
    var(--ink);
  color: var(--paper);
}
.kanzlei .kap-title { color: var(--paper); }
.kanzlei .kap-title em { color: var(--gold-line); }
.kanzlei-grid { display: grid; gap: 2.6rem; align-items: start; }
.kanzlei-media {
  overflow: hidden;
  border: 1px solid var(--ink-line);
  aspect-ratio: 4 / 3;
}
.kanzlei-media img { width: 100%; height: 108%; object-fit: cover; will-change: transform; }
.kanzlei-quote {
  font-family: var(--font-display); font-style: italic; font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.35;
  color: var(--paper);
  border-left: 2px solid var(--gold-line);
  padding-left: 1.4rem;
  margin-bottom: 2.2rem;
}
.partner-list { display: grid; gap: 1.4rem; }
.partner {
  border-top: 1px solid var(--ink-line);
  padding-top: 1.3rem;
}
.partner-name {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.5rem; line-height: 1.15; color: var(--paper);
}
.partner-role {
  margin-top: 0.25rem;
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--gold-line);
}
.partner-bio { margin-top: 0.7rem; font-size: 0.94rem; color: var(--paper-on-ink); max-width: 32rem; }

/* ---------- Kapitel III - Vorgehen (timeline) ---------- */
.prozess { position: relative; max-width: 44rem; }
.prozess-line {
  position: absolute; top: 0.4rem; bottom: 0.4rem; left: 0.55rem;
  width: 1px; background: var(--paper-line);
}
.prozess-line-fill {
  display: block; width: 3px; height: 100%; margin-left: -1px;
  background: var(--oxblood);
  transform: scaleY(0); transform-origin: top center;
}
.prozess-steps { display: grid; gap: clamp(2.2rem, 6vh, 3.6rem); }
.prozess-step { position: relative; padding-left: 2.8rem; }
.prozess-node {
  position: absolute; left: 0; top: 0.4rem;
  width: 1.15rem; height: 1.15rem; border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--paper-line);
  transition: border-color 0.4s, background-color 0.4s, transform 0.4s var(--ease-out);
}
.prozess-step.is-active .prozess-node {
  border-color: var(--oxblood); background: var(--oxblood);
  transform: scale(1.15);
}
.prozess-phase {
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--oxblood);
  margin-bottom: 0.35rem;
}
.prozess-title {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2.1rem); line-height: 1.1;
}
.prozess-text { margin-top: 0.65rem; color: var(--ink-soft); max-width: 34rem; font-size: 0.97rem; }
.prozess-meta {
  margin-top: 0.8rem; font-size: 0.76rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft);
}
.prozess-step.is-active .prozess-meta { color: var(--oxblood); }

/* ---------- Kapitel IV - Honorar ---------- */
.honorar { background: var(--paper-2); border-block: 1px solid var(--paper-line); }
.honorar-grid { display: grid; gap: 1.2rem; }
.honorar-card {
  background: var(--paper);
  border: 1px solid var(--paper-line);
  padding: 1.9rem 1.7rem 1.7rem;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), border-color 0.35s;
}
.honorar-card:hover {
  transform: translateY(-5px);
  border-color: var(--gold-line);
  box-shadow: 0 22px 40px -22px rgba(27, 34, 44, 0.35);
}
.honorar-card-featured { border-top: 3px solid var(--oxblood); }
.honorar-name {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-soft);
  margin-bottom: 1rem;
}
.honorar-value {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.9rem, 3.4vw, 2.5rem); line-height: 1;
  color: var(--ink-text);
}
.honorar-value span {
  font-family: var(--font-ui); font-size: 0.82rem; font-weight: 500;
  color: var(--ink-soft); letter-spacing: 0.04em;
}
.honorar-desc { margin-top: 1rem; font-size: 0.93rem; color: var(--ink-soft); }

/* ---------- Kapitel V - FAQ ---------- */
.fragen-grid { display: grid; gap: 2.5rem; align-items: start; }
.kap-head-side { margin-bottom: 0; }
.faq { border-top: 1px solid var(--paper-line); }
.faq-item { border-bottom: 1px solid var(--paper-line); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 1.2rem;
  padding-block: 1.3rem;
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem); line-height: 1.25;
  transition: color 0.3s;
}
.faq-q:hover { color: var(--oxblood); }
.faq-icon {
  flex: 0 0 auto; position: relative;
  width: 1.9rem; height: 1.9rem; border-radius: 50%;
  border: 1px solid var(--paper-line);
  transition: transform 0.4s var(--ease-out), border-color 0.3s, background-color 0.3s;
}
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; top: 50%; left: 50%;
  width: 0.8rem; height: 1.5px; background: var(--ink-soft);
  transform: translate(-50%, -50%);
  transition: transform 0.4s var(--ease-out), background-color 0.3s;
}
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-icon { transform: rotate(45deg); border-color: var(--oxblood); background: var(--oxblood); }
.faq-item[open] .faq-icon::before, .faq-item[open] .faq-icon::after { background: var(--paper); }
.faq-a { padding-bottom: 1.5rem; }
.faq-a p { color: var(--ink-soft); max-width: 38rem; font-size: 0.97rem; }

/* ---------- Kapitel VI - Kontakt (tinta) ---------- */
.kontakt {
  background:
    radial-gradient(56rem 32rem at 0% 100%, rgba(124, 38, 52, 0.24), transparent 62%),
    var(--ink);
  color: var(--paper);
}
.kontakt .kap-title { color: var(--paper); }
.kontakt .kap-title em { color: var(--gold-line); }
.kontakt-grid { display: grid; gap: 2.6rem; align-items: start; }
.kontakt-copy p { color: var(--paper-on-ink); max-width: 32rem; }
.kontakt-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.8rem; }
.kontakt-address {
  border-left: 1px solid var(--ink-line);
  padding-left: 1.6rem;
  display: grid; gap: 1rem;
  color: var(--paper-on-ink); line-height: 1.7;
}
.kontakt-address-name { font-weight: 600; color: var(--paper); }
.kontakt-hours { font-size: 0.9rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: #0b1017; color: rgba(243, 238, 226, 0.6);
  padding-block: 2.6rem;
  border-top: 1px solid var(--ink-line);
}
.footer-inner { display: grid; gap: 1.2rem; }
.footer-brand { font-weight: 600; color: var(--paper); font-size: 1rem; letter-spacing: 0.04em; }
.footer-brand em {
  font-style: normal; display: block; font-weight: 500;
  font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold-line);
}
.footer-note { font-size: 0.82rem; max-width: 36rem; }
.footer-nav ul { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer-nav a { font-size: 0.85rem; color: var(--paper); text-decoration-color: rgba(243, 238, 226, 0.35); }

/* ============================================================
   Estados pre-animación - SOLO bajo html.js
   ============================================================ */
html.js .hero-title .line-inner { transform: translateY(112%); }
html.js [data-hero-el] { opacity: 0; transform: translateY(16px); }
html.js .kap-title .line-inner { transform: translateY(112%); }
/* data-reveal / data-praxis / data-words se ocultan desde JS con gsap.set -
   si GSAP no corre, siguen visibles. */

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   Breakpoints (mobile-first)
   ============================================================ */
@media (min-width: 40rem) {
  .honorar-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-foot { grid-template-columns: 1.2fr 1fr; align-items: start; }
}

@media (min-width: 56rem) {
  .site-nav { display: block; }
  .kanzlei-grid { grid-template-columns: 1fr 1.1fr; gap: 4rem; }
  .kontakt-grid { grid-template-columns: 1.3fr 0.7fr; gap: 4rem; }
  .fragen-grid { grid-template-columns: 0.85fr 1.15fr; gap: 4rem; }
  .kap-head-side { position: sticky; top: 7rem; }
}

@media (min-width: 78rem) {
  .chapter-index { display: block; }
}