/**
 * style.css – KI-Buch Landingpage
 *
 * @version 4.3.0
 *
 * Versionshistorie:
 * ─────────────────────────────────────────────────────────────
 * v1.0.0 – Initiale Version
 * v1.1.0 – Bugfixes (.__meta, border-Fix)
 * v2.0.0 – Komplettes Design-Overhaul:
 *   [NEU] Klarere Sektion-Abstände, konsistentes Spacing-System
 *   [NEU] Hero: kompakterer Claim-Bereich, stärkerer CTA-Block
 *   [NEU] Section-Labels / Eyebrow-Typo über Überschriften
 *   [NEU] Highlight-Cards mit Icon-Akzenten und Hover-Glow
 *   [NEU] Wochenplan-Timeline (Mo–So) als visuelle Kapitelübersicht
 *   [NEU] Rezensionen mit Sterne-Rating und Avatar-Initial
 *   [NEU] Kaufbox mit primärem CTA prominent im Hero
 *   [NEU] Sections haben klare Trenner und Padding
 *   [NEU] Accordion moderner mit Transition statt hidden-toggle
 *   [NEU] Footer vollständig mit Marke + Links
 *   [FIX] border: 1px !important entfernt – Cards korrekt gestylt
 *   [FIX] Alle card-Varianten sauber getrennt
 * ─────────────────────────────────────────────────────────────
 */

/* ── Tokens ──────────────────────────────────────────────── */
:root {
  --primary:       #2FA4B8;
  --primary-dim:   rgba(47,164,184,.18);
  --accent:        #00F0FF;
  --purple:        rgba(120,90,255,1);
  --purple-dim:    rgba(120,90,255,.18);
  --text:          #e9eef6;
  --muted:         rgba(233,238,246,.68);
  --glass:         rgba(10,12,22,.55);
  --glass-light:   rgba(255,255,255,.06);
  --border:        rgba(255,255,255,.11);
  --border-bright: rgba(47,164,184,.35);
  --shadow-lg:     0 24px 64px rgba(0,0,0,.55);
  --shadow-card:   0 8px 32px rgba(0,0,0,.35);
  --radius-lg:     20px;
  --radius-md:     14px;
  --radius-sm:     10px;
  --mono:          "JetBrains Mono", ui-monospace, Menlo, monospace;
  --sans:          Inter, system-ui, -apple-system, sans-serif;
  --bg-img:        none;

  /* Spacing scale */
  --s1: 8px; --s2: 16px; --s3: 24px; --s4: 32px;
  --s5: 48px; --s6: 64px; --s7: 96px;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: #070811;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Background ──────────────────────────────────────────── */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.bg__img {
  position: absolute; inset: -40px;
  background:
    radial-gradient(900px 600px at 15% 10%,  rgba(47,164,184,.20), transparent 60%),
    radial-gradient(700px 500px at 85% 20%,  rgba(120,90,255,.18), transparent 55%),
    radial-gradient(900px 700px at 55% 90%,  rgba(0,240,255,.10), transparent 60%),
    linear-gradient(180deg, rgba(7,8,17,.5), rgba(7,8,17,.97)),
    var(--bg-img) center/cover no-repeat;
  filter: saturate(1.15);
}
.bg__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 20%, black 20%, transparent 70%);
  opacity: .3;
}
.bg__glow { position: absolute; border-radius: 50%; filter: blur(80px); }
.bg__glow--a { width:700px; height:700px; left:-220px; top:-200px; background:rgba(47,164,184,.28); animation:float 9s ease-in-out infinite; }
.bg__glow--b { width:600px; height:600px; right:-200px; bottom:-200px; background:rgba(120,90,255,.28); animation:float 11s ease-in-out infinite reverse; }
@keyframes float { 0%,100%{transform:translate3d(0,0,0)} 50%{transform:translate3d(0,28px,0)} }

/* ── Layout ──────────────────────────────────────────────── */
.container { width: min(1140px, calc(100% - 40px)); margin: 0 auto; }

.section {
  padding: var(--s6) 0;
  border-top: 1px solid var(--border);
}
.section:first-of-type { border-top: none; }

.section__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--primary);
  margin-bottom: var(--s2);
}
.section__eyebrow::before {
  content: ""; display: block; width: 20px; height: 1px;
  background: var(--primary);
}
.section__head { max-width: 760px; margin-bottom: var(--s4); }
.section__head h2 {
  font-size: clamp(1.6rem, 1.3rem + 1.4vw, 2.4rem);
  letter-spacing: -.03em; line-height: 1.1;
  margin-bottom: var(--s2);
}
.section__head p { color: var(--muted); line-height: 1.7; font-size: 1.05rem; }

/* ── Topbar ──────────────────────────────────────────────── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--s3);
  height: 62px;
  background: rgba(7,8,17,.65);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.brand { display:flex; gap:10px; align-items:center; text-decoration:none; color:var(--text); }
.brand__dot {
  width:10px; height:10px; border-radius:50%; flex-shrink:0;
  background: var(--primary);
  box-shadow: 0 0 0 5px rgba(47,164,184,.15), 0 0 20px rgba(47,164,184,.4);
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{box-shadow:0 0 0 5px rgba(47,164,184,.15),0 0 20px rgba(47,164,184,.4)} 50%{box-shadow:0 0 0 8px rgba(47,164,184,.08),0 0 32px rgba(47,164,184,.55)} }
.brand__name { font-weight: 700; font-size: .95rem; letter-spacing: -.02em; }
.brand--footer .brand__name { font-size: .9rem; }

.nav { display:flex; gap:2px; align-items:center; }
.nav a {
  color: rgba(233,238,246,.78); text-decoration:none;
  font-size: .88rem; font-weight: 600;
  padding: 7px 11px; border-radius: var(--radius-sm);
  transition: background .2s, color .18s;
}
.nav a:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav__cta {
  border: 1px solid rgba(47,164,184,.4);
  background: rgba(47,164,184,.10);
  color: var(--primary) !important;
  margin-left: 4px;
}
.nav__cta:hover { background: rgba(47,164,184,.20) !important; }

.navbtn { display:none; background:transparent; border:0; padding:8px; cursor:pointer; flex-direction:column; gap:5px; }
.navbtn span { display:block; width:22px; height:2px; background:rgba(233,238,246,.85); border-radius:2px; transition: transform .25s; }

/* ── Hero ────────────────────────────────────────────────── */
.hero { padding: calc(62px + var(--s6)) 0 var(--s6); }
.hero__content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: var(--s5);
  align-items: center;
  /* minmax(0,1fr) verhindert dass Inhalt die Spalte aufbläst */
}
.hero__left { display: flex; flex-direction: column; gap: var(--s3); min-width: 0; overflow: hidden; }

.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid rgba(47,164,184,.3);
  background: rgba(47,164,184,.08);
  font-family: var(--mono); font-size: .78rem;
  color: var(--accent); width: fit-content;
}
.hero__badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:.4} }

.hero__title {
  font-size: clamp(2.2rem, 1.8rem + 2.8vw, 3.8rem);
  letter-spacing: -.05em; line-height: 1.1;
  font-weight: 800;
  min-width: 0;
  overflow: hidden;
  /* Feste Höhe: immer Platz für 2 Titelzeilen reservieren
     = 2 × font-size × line-height → kein Springen wenn Phrase umläuft */
  min-height: calc(clamp(2.2rem, 1.8rem + 2.8vw, 3.8rem) * 1.1 * 2.15);
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  color: var(--muted); line-height: 1.7; font-size: 1.05rem;
  max-width: 560px;
}

.hero__trust { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-family: var(--mono); font-size: .74rem;
  color: rgba(233,238,246,.82);
  border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 10px;
  background: rgba(255,255,255,.04);
}

.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* Buchinfos unter dem Text */
.hero__meta {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 8px; padding-top: var(--s2);
  border-top: 1px solid var(--border);
}
.meta-item { padding: 10px 12px; border-radius: var(--radius-sm); background: rgba(255,255,255,.04); }
.meta-item__k { font-family:var(--mono); font-size:.68rem; color:var(--muted); margin-bottom:3px; }
.meta-item__v { font-weight: 700; font-size: .9rem; }

/* ── Cover-Säule ─────────────────────────────────────────── */
.hero__right { display: flex; justify-content: center; }
.cover-wrap {
  position: relative; display: flex; flex-direction: column;
  align-items: center; gap: var(--s3);
}
.cover-wrap::before {
  content: ""; position: absolute;
  inset: -40px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47,164,184,.25) 0%, transparent 70%);
  filter: blur(40px); z-index: 0;
  animation: kiPulse 6s ease-in-out infinite;
}
@keyframes kiPulse { 0%,100%{opacity:.5} 50%{opacity:1} }

.book3d {
  position: relative; z-index: 1;
  filter: drop-shadow(0 32px 48px rgba(0,0,0,.6))
          drop-shadow(0 0 60px rgba(47,164,184,.25));
  animation: bookfloat 8s ease-in-out infinite;
}
@media (prefers-reduced-motion:no-preference){
  @keyframes bookfloat { 0%,100%{transform:translateY(0) rotate3d(0,1,0,0deg)} 50%{transform:translateY(-10px) rotate3d(0,1,0,2deg)} }
}
.book3d__img { display:block; max-width:500px; width:100%; height:auto; border-radius:6px; }

/* Kaufbox unter Cover */
.buybox {
  position: relative; z-index: 1; width: 100%;
  padding: var(--s3);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  background: rgba(10,12,22,.7);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
}
.buybox__label { font-family:var(--mono); font-size:.7rem; color:var(--muted); margin-bottom:8px; text-transform:uppercase; letter-spacing:.1em; }
.buybox__ctas { display:flex; flex-direction:column; gap:8px; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; justify-content:center; align-items:center;
  gap: 8px; padding: 13px 22px;
  border-radius: var(--radius-md); border: 1px solid var(--border);
  font-weight: 700; font-size: .95rem; letter-spacing: -.01em;
  text-decoration: none; cursor: pointer;
  color: var(--text); background: var(--glass-light);
  transition: transform .15s, background .2s, border-color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); background: rgba(255,255,255,.1); }
.btn--primary {
  background: linear-gradient(135deg, rgba(47,164,184,.95), rgba(0,200,220,.75));
  border-color: rgba(47,164,184,.5);
  box-shadow: 0 8px 28px rgba(47,164,184,.25);
  color: #fff;
}
.btn--primary:hover { box-shadow: 0 12px 36px rgba(47,164,184,.4); background: linear-gradient(135deg,#2FA4B8,#00C8DC); }
.btn--ghost { background: transparent; border-color: var(--border); }
.btn--ghost:hover { border-color: rgba(47,164,184,.35); }
.btn--full { width: 100%; }
.btn--sm { padding: 9px 16px; font-size: .88rem; }

/* ── Feature-Cards (Highlights) ─────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.feature-card {
  padding: var(--s3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(10,12,22,.4);
  backdrop-filter: blur(10px);
  position: relative; overflow: hidden;
  transition: border-color .25s, transform .2s, box-shadow .25s;
}
.feature-card:hover {
  border-color: rgba(47,164,184,.35);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,.35), 0 0 0 1px rgba(47,164,184,.15);
}
.feature-card::before {
  content:""; position:absolute; top:0; left:0; right:0; height:1px;
  background: linear-gradient(90deg, transparent, rgba(47,164,184,.5), transparent);
}
.feature-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--primary-dim);
  display: flex; align-items:center; justify-content:center;
  font-size: 1.2rem; margin-bottom: var(--s2);
}
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: .92rem; line-height: 1.6; }
.card__line {
  margin-top: var(--s2); height: 1px;
  background: linear-gradient(90deg,transparent,rgba(47,164,184,.4),transparent);
}

/* ── Info-Split ──────────────────────────────────────────── */
.split { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:16px; }
.info-card {
  padding: var(--s3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(10,12,22,.35);
  backdrop-filter: blur(10px);
}
.info-card h3 { font-size: 1rem; font-weight:700; margin-bottom:var(--s2); }
.list { padding-left: 18px; color: var(--text); }
.list li { margin: 10px 0; line-height: 1.55; font-size:.95rem; }
.quote {
  margin-top: var(--s2); padding: var(--s2) var(--s2);
  border-left: 2px solid rgba(47,164,184,.6);
  background: rgba(47,164,184,.07);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: rgba(233,238,246,.9); font-family:var(--mono); font-size:.9rem; line-height:1.6;
}

/* ── Wochenplan-Timeline ─────────────────────────────────── */
.week-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 10px; margin-top: var(--s2);
}
@media(max-width:900px){ .week-grid{ grid-template-columns: repeat(2,1fr); } }
@media(max-width:480px){ .week-grid{ grid-template-columns: 1fr; } }

.day-card {
  padding: var(--s2) var(--s2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(10,12,22,.4);
  backdrop-filter: blur(8px);
  transition: border-color .2s, transform .2s;
  position: relative; overflow: hidden;
}
.day-card:hover { border-color: rgba(47,164,184,.35); transform: translateY(-2px); }
.day-card__label {
  font-family:var(--mono); font-size:.65rem; text-transform:uppercase;
  letter-spacing:.1em; color:var(--primary); margin-bottom:6px;
}
.day-card__day { font-weight:800; font-size:1rem; margin-bottom:6px; }
.day-card__topic { color:var(--muted); font-size:.85rem; line-height:1.5; }
.day-card--highlight { border-color: rgba(47,164,184,.3); background:rgba(47,164,184,.07); }
.day-card--highlight::before {
  content:""; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}

/* ── Accordion ───────────────────────────────────────────── */
.accordion { display:flex; flex-direction:column; gap:10px; }
.acc {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: rgba(10,12,22,.35); overflow: hidden;
  transition: border-color .2s;
}
.acc:has(.acc__btn[aria-expanded="true"]) { border-color: rgba(47,164,184,.3); }
.acc__btn {
  width:100%; display:flex; justify-content:space-between; align-items:center;
  padding: 18px 20px; background:transparent; border:0;
  color:var(--text); cursor:pointer; font-weight:700; font-size:.98rem;
  text-align:left;
}
.acc__btn:hover { background: rgba(255,255,255,.03); }
.acc__icon {
  width:28px; height:28px; border-radius:50%; flex-shrink:0;
  border:1px solid var(--border); display:flex; align-items:center; justify-content:center;
  font-family:var(--mono); font-size:1rem; font-weight:700;
  transition: background .2s, border-color .2s, transform .25s;
}
.acc__btn[aria-expanded="true"] .acc__icon {
  background: var(--primary-dim); border-color: rgba(47,164,184,.4);
  transform: rotate(45deg);
}
.acc__panel { padding: 0 20px 18px; }
.sample {
  white-space:pre-wrap; margin:0;
  color:rgba(233,238,246,.88); font-family:var(--mono);
  font-size:.88rem; line-height:1.7;
  background: rgba(0,0,0,.22);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md); padding:var(--s2);
  max-height: 360px; overflow-y: auto;
}
.acc__actions { margin-top:12px; }

/* ── Rezensionen ─────────────────────────────────────────── */
.review-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.review-card {
  padding: var(--s3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(10,12,22,.4);
  backdrop-filter: blur(10px);
  display:flex; flex-direction:column; gap:var(--s2);
}
.review-stars { color:#F5C842; font-size:1rem; letter-spacing:2px; }
.review-text { color:rgba(233,238,246,.88); font-size:.95rem; line-height:1.65; flex:1; }
.review-author { display:flex; align-items:center; gap:12px; }
.review-avatar {
  width:36px; height:36px; border-radius:50%; flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--purple));
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:.85rem; color:#fff;
}
.review-name { font-weight:700; font-size:.88rem; }
.review-location { font-family:var(--mono); font-size:.72rem; color:var(--muted); }

/* ── Shops ───────────────────────────────────────────────── */
.grid4 { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.shop {
  display:flex; flex-direction:column;
  text-decoration:none; color:var(--text);
  border:1px solid var(--border); border-radius:var(--radius-lg);
  background:rgba(10,12,22,.35);
  padding:var(--s2); backdrop-filter:blur(10px);
  transition:transform .18s, border-color .2s, background .2s;
  position:relative; overflow:hidden;
}
.shop:hover { transform:translateY(-3px); background:rgba(255,255,255,.05); border-color:rgba(47,164,184,.4); }
.shop::before {
  content:""; position:absolute; inset:0; opacity:0; transition:opacity .2s;
  background:radial-gradient(400px 200px at 50% 0%, rgba(47,164,184,.12), transparent);
}
.shop:hover::before { opacity:1; }
.shop__logo {
  height:42px; width:auto; display:block;
  margin:0 auto var(--s1);
  object-fit:contain;
  filter:drop-shadow(0 4px 12px rgba(0,0,0,.3));
  transition:filter .2s;
}
.shop:hover .shop__logo { filter:drop-shadow(0 0 14px rgba(47,164,184,.45)) drop-shadow(0 4px 12px rgba(0,0,0,.3)); }
.shop__go {
  margin-top:auto; padding-top:var(--s1);
  font-family:var(--mono); font-size:.72rem;
  color:rgba(233,238,246,.7); text-align:center;
  border-top:1px solid var(--border);
}
.shop__top { position:relative; }
.shop__name { font-weight:900; letter-spacing:-.02em; }
.shop__badge,.shop__hint { display:none; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }

/* ── FAQ ─────────────────────────────────────────────────── */
.grid2 { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.faq-card {
  padding:var(--s3); border:1px solid var(--border);
  border-radius:var(--radius-lg); background:rgba(10,12,22,.35);
  backdrop-filter:blur(10px);
  transition:border-color .2s;
}
.faq-card:hover { border-color:rgba(47,164,184,.25); }
.faq-card h3 { font-size:.98rem; font-weight:700; margin-bottom:10px; }
.faq-card p { color:var(--muted); font-size:.92rem; line-height:1.65; }

/* ── Kontakt & Impressum ─────────────────────────────────── */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:var(--s4); }
.form { display:flex; flex-direction:column; gap:var(--s2); }
.form__row { display:grid; grid-template-columns:1fr 1fr; gap:var(--s2); }
.form__row--captcha { grid-template-columns:1fr auto; align-items:end; }
label span { display:block; font-family:var(--mono); font-size:.74rem; color:var(--muted); margin-bottom:6px; }
input, textarea {
  width:100%; padding:12px 14px;
  border-radius:var(--radius-md); border:1px solid var(--border);
  background:rgba(255,255,255,.06); color:var(--text);
  font-family:var(--sans); font-size:.95rem;
  outline:none; transition:border-color .2s, background .2s;
}
input:focus, textarea:focus { border-color:rgba(47,164,184,.5); background:rgba(255,255,255,.09); }
textarea { resize:vertical; }
.hp { position:absolute; left:-9999px; top:-9999px; }
.captcha {
  display:flex; gap:12px; align-items:center;
  padding:12px 14px; border:1px solid var(--border);
  border-radius:var(--radius-md); background:rgba(0,0,0,.15);
}
.captcha__q { font-family:var(--mono); font-size:.9rem; color:rgba(233,238,246,.85); white-space:nowrap; }
.captcha input { border:none; background:rgba(255,255,255,.08); max-width:80px; }
.form__hint { color:var(--muted); font-size:.88rem; line-height:1.5; }

.alert { margin-bottom:var(--s2); padding:12px 16px; border-radius:var(--radius-md); border:1px solid; }
.alert--ok  { background:rgba(47,164,184,.1);  border-color:rgba(47,164,184,.3); }
.alert--bad { background:rgba(255,80,80,.1);   border-color:rgba(255,80,80,.25); }

.note {
  padding:16px 20px; margin-bottom:var(--s3);
  background:rgba(47,164,184,.08); border:1px solid rgba(47,164,184,.2);
  border-radius:var(--radius-md); color:rgba(235,245,250,.92);
  font-size:.92rem; line-height:1.55; backdrop-filter:blur(6px);
}

.impressum {
  padding:var(--s3); border:1px solid var(--border);
  border-radius:var(--radius-lg); background:rgba(10,12,22,.4);
  font-family:var(--mono); font-size:.78rem;
  color:rgba(233,238,246,.65); line-height:1.8;
}
.impressum strong { color:rgba(233,238,246,.85); font-weight:700; display:block; margin-bottom:8px; }

.press { margin-top:var(--s2); }
.press__item { padding:var(--s2) var(--s2); border-radius:var(--radius-md); background:rgba(255,255,255,.04); border:1px solid var(--border); }
.press__k { font-family:var(--mono); font-size:.76rem; color:rgba(233,238,246,.6); line-height:1.7; }
.press__v { margin-top:4px; font-weight:700; }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding: var(--s5) 0 var(--s4);
  border-top:1px solid var(--border);
  background:rgba(7,8,17,.6); backdrop-filter:blur(12px);
}
.footer__inner { display:flex; justify-content:space-between; align-items:center; gap:var(--s3); }
.footer__small { margin-top:6px; color:var(--muted); font-size:.85rem; }
.footer__right { display:flex; gap:var(--s2); flex-wrap:wrap; justify-content:flex-end; }
.link { color:rgba(233,238,246,.75); text-decoration:none; font-size:.88rem; transition:color .2s; }
.link:hover { color:var(--primary); }
code { font-family:var(--mono); font-size:.9em; }

/* ── Responsive ──────────────────────────────────────────── */
@media(max-width:980px){
  .hero__content { grid-template-columns:1fr; }
  .hero__right { order:-1; }
  .hero__meta { grid-template-columns:repeat(2,1fr); }
  .cover-wrap::before { display:none; }
  .book3d__img { max-width:300px; }
  .buybox { max-width:400px; margin:0 auto; }
  .feature-grid { grid-template-columns:1fr 1fr; }
  .review-grid { grid-template-columns:1fr 1fr; }
  .grid4 { grid-template-columns:repeat(2,1fr); }
  .contact-grid { grid-template-columns:1fr; }
}
@media(max-width:640px){
  .nav { display:none; }
  .navbtn { display:flex; }
  .nav.is-open {
    position:absolute; left:10px; right:10px; top:68px;
    display:flex; flex-direction:column;
    background:rgba(10,12,22,.92); border:1px solid var(--border);
    border-radius:var(--radius-lg); padding:10px;
    backdrop-filter:blur(18px); z-index:9998;
  }
  .nav.is-open a { padding:12px 14px; border-radius:var(--radius-sm); }
  .hero__meta { grid-template-columns:repeat(2,1fr); }
  .feature-grid { grid-template-columns:1fr; }
  .review-grid { grid-template-columns:1fr; }
  .split { grid-template-columns:1fr; }
  .grid4 { grid-template-columns:repeat(2,1fr); }
  .grid2 { grid-template-columns:1fr; }
  .form__row { grid-template-columns:1fr; }
  .form__row--captcha { grid-template-columns:1fr; }
  .footer__inner { flex-direction:column; align-items:flex-start; }
  .footer__right { justify-content:flex-start; }
}


/* ═══════════════════════════════════════════════════════════
   v3.0.0 Design-Upgrade
   ─────────────────────────────────────────────────────────
   [NEU-A] Scroll-Animationen
   [NEU-B] Sticky Kaufbar
   [NEU-C] Statistik-Zähler (nur HTML-Attribute, kein CSS)
   [NEU-D] ScrollSpy Nav-Highlight
   [NEU-E] Smooth Accordion (via JS max-height)
   [NEU-F] Shop-Logo Fallback
   [NEU-G] Cursor-Glow
   [NEU-H] Scroll-Progressbar
   ═══════════════════════════════════════════════════════════ */

/* ── [H] Scroll-Progressbar ─────────────────────────────── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 10000;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(47,164,184,.6);
}

/* ── [G] Cursor-Glow ────────────────────────────────────── */
#cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(47,164,184,.07) 0%,
    rgba(47,164,184,.03) 40%,
    transparent 70%);
  pointer-events: none;
  z-index: 0;
  will-change: transform;
  transition: opacity .4s;
}
@media (hover: none) { #cursor-glow { display: none; } }

/* ── [A] Scroll-Animationen ─────────────────────────────── */
.will-animate {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.will-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── [D] ScrollSpy Nav-Highlight ────────────────────────── */
.nav a.nav__active {
  color: var(--primary) !important;
  background: rgba(47,164,184,.1);
}

/* ── [B] Sticky Kaufbar ─────────────────────────────────── */
#sticky-bar {
  position: fixed;
  top: 62px; /* direkt unter der Topbar */
  left: 0; right: 0;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 24px;
  background: rgba(7,8,17,.88);
  backdrop-filter: blur(18px) saturate(1.5);
  border-bottom: 1px solid rgba(47,164,184,.25);
  box-shadow: 0 8px 32px rgba(0,0,0,.45);

  /* Slide-in Animation */
  transform: translateY(-110%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), opacity 0.35s ease;
  pointer-events: none;
}
#sticky-bar.sticky-bar--visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.sticky-bar__info { display: flex; flex-direction: column; gap: 2px; }
.sticky-bar__title {
  font-weight: 700; font-size: .92rem;
  letter-spacing: -.02em;
}
.sticky-bar__sub {
  font-family: var(--mono); font-size: .72rem;
  color: var(--muted);
}
.sticky-bar__actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

@media (max-width: 640px) {
  #sticky-bar { padding: 8px 16px; gap: 10px; }
  .sticky-bar__sub { display: none; }
}

/* ── [F] Shop-Logo Fallback ─────────────────────────────── */
.shop__logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.10);
  border-radius: var(--radius-sm);
  padding: 8px;
  min-height: 58px;
  margin-bottom: var(--s1);
}
.shop__logo {
  height: 40px;
  width: auto;
  display: block;
  max-width: 100%;
  object-fit: contain;
  filter: none; /* Logo auf hellem Untergrund braucht keinen Extra-Filter */
}
.shop__logo-fallback {
  font-weight: 800;
  font-size: .85rem;
  color: var(--text);
  text-align: center;
  padding: 8px 4px;
}

/* ── [C] Statistik-Zähler Styling ───────────────────────── */
.hero__stats {
  display: flex;
  gap: var(--s3);
  padding: var(--s2) 0;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.stat-item { display: flex; flex-direction: column; gap: 2px; }
.stat-item__num {
  font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-item__label {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ── Smooth Accordion (Panel braucht kein hidden mehr) ──── */
.acc__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Navbtn Hamburger → X Animation ─────────────────────── */
.navbtn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbtn[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbtn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.navbtn span { transition: transform .25s, opacity .2s; }


/* ═══════════════════════════════════════════════════════════
   v4.0.0 – Light Mode, Cover-Größe, Social-Share
   ═══════════════════════════════════════════════════════════ */

/* ── Light Mode Toggle ──────────────────────────────────── */
/* Aktiviert durch data-theme="light" auf <html> */
[data-theme="light"] {
  --primary:       #1A8FA3;
  --primary-dim:   rgba(26,143,163,.12);
  --accent:        #0099BB;
  --text:          #0f1923;
  --muted:         rgba(15,25,35,.68);
  --glass:         rgba(255,255,255,.75);
  --glass-light:   rgba(0,0,0,.04);
  --border:        rgba(0,0,0,.12);
  --border-bright: rgba(26,143,163,.4);
  --shadow-lg:     0 24px 64px rgba(0,0,0,.18);
  --shadow-card:   0 8px 32px rgba(0,0,0,.10);
}
[data-theme="light"] body {
  background: #f0f4f8;
}
[data-theme="light"] .bg__img {
  background:
    radial-gradient(900px 600px at 15% 10%, rgba(47,164,184,.08), transparent 60%),
    radial-gradient(700px 500px at 85% 20%, rgba(120,90,255,.06), transparent 55%),
    linear-gradient(180deg, rgba(240,244,248,.3), rgba(240,244,248,.98)),
    var(--bg-img) center/cover no-repeat;
}
[data-theme="light"] .bg__glow--a { background: rgba(47,164,184,.12); }
[data-theme="light"] .bg__glow--b { background: rgba(120,90,255,.10); }
[data-theme="light"] .bg__grid    { opacity: .15; }

/* Topbar im Light Mode */
[data-theme="light"] .topbar {
  background: rgba(240,244,248,.88);
  border-bottom-color: rgba(0,0,0,.10);
}
[data-theme="light"] .nav a      { color: rgba(15,25,35,.75); }
[data-theme="light"] .nav a:hover { background: rgba(0,0,0,.06); color: #0f1923; }

/* Sticky Bar Light */
[data-theme="light"] #sticky-bar {
  background: rgba(240,244,248,.95);
  border-bottom-color: rgba(26,143,163,.25);
  color: #0f1923;
}
[data-theme="light"] .sticky-bar__sub { color: rgba(15,25,35,.6); }

/* Karten & Sections */
[data-theme="light"] .feature-card,
[data-theme="light"] .day-card,
[data-theme="light"] .review-card,
[data-theme="light"] .faq-card,
[data-theme="light"] .info-card,
[data-theme="light"] .buybox,
[data-theme="light"] .shop,
[data-theme="light"] .acc,
[data-theme="light"] .impressum {
  background: rgba(255,255,255,.80);
  border-color: rgba(0,0,0,.10);
  color: #0f1923;
}
[data-theme="light"] .info-card h3,
[data-theme="light"] .info-card .list,
[data-theme="light"] .info-card .list li,
[data-theme="light"] .list li { color: #0f1923; }

[data-theme="light"] .feature-card:hover,
[data-theme="light"] .day-card:hover,
[data-theme="light"] .faq-card:hover,
[data-theme="light"] .shop:hover {
  background: rgba(255,255,255,.95);
  border-color: rgba(26,143,163,.4);
}
[data-theme="light"] .day-card--highlight {
  background: rgba(47,164,184,.08);
  border-color: rgba(47,164,184,.3);
}
[data-theme="light"] .section__eyebrow { color: #1A8FA3; }
[data-theme="light"] .muted,
[data-theme="light"] .feature-card p,
[data-theme="light"] .faq-card p,
[data-theme="light"] .day-card__topic,
[data-theme="light"] .review-text,
[data-theme="light"] .hero__sub,
[data-theme="light"] .section__head p { color: rgba(15,25,35,.7); }
[data-theme="light"] .meta-item__k,
[data-theme="light"] .day-card__label,
[data-theme="light"] .review-location  { color: rgba(15,25,35,.55); }
[data-theme="light"] .chip {
  border-color: rgba(0,0,0,.15);
  color: rgba(15,25,35,.8);
  background: rgba(255,255,255,.5);
}
[data-theme="light"] .hero__badge {
  border-color: rgba(26,143,163,.35);
  background: rgba(26,143,163,.08);
  color: #1A8FA3;
}
[data-theme="light"] .note {
  background: rgba(47,164,184,.07);
  border-color: rgba(47,164,184,.25);
  color: rgba(15,25,35,.85);
}
[data-theme="light"] .quote {
  background: rgba(47,164,184,.06);
  color: rgba(15,25,35,.8);
}
[data-theme="light"] .sample {
  background: rgba(0,0,0,.04);
  border-color: rgba(0,0,0,.10);
  color: rgba(15,25,35,.85);
}
[data-theme="light"] .acc__btn { color: #0f1923; }
[data-theme="light"] .acc__btn:hover { background: rgba(0,0,0,.03); }
[data-theme="light"] input,
[data-theme="light"] textarea {
  background: rgba(255,255,255,.9);
  border-color: rgba(0,0,0,.15);
  color: #0f1923;
}
[data-theme="light"] input::placeholder,
[data-theme="light"] textarea::placeholder { color: rgba(15,25,35,.4); }
[data-theme="light"] input:focus,
[data-theme="light"] textarea:focus {
  border-color: rgba(26,143,163,.6);
  background: #fff;
}
[data-theme="light"] .captcha {
  background: rgba(0,0,0,.04);
  border-color: rgba(0,0,0,.12);
  color: #0f1923;
}
[data-theme="light"] .captcha__q { color: rgba(15,25,35,.8); }
[data-theme="light"] .btn { color: #0f1923; border-color: rgba(0,0,0,.15); background: rgba(255,255,255,.6); }
[data-theme="light"] .btn:hover { background: rgba(255,255,255,.9); }
[data-theme="light"] .btn--primary { color: #fff; background: linear-gradient(135deg,#1A8FA3,#00B8D4); border-color: rgba(26,143,163,.5); }
[data-theme="light"] .btn--ghost   { background: transparent; }
[data-theme="light"] .shop__go     { color: rgba(15,25,35,.6); border-top-color: rgba(0,0,0,.08); }
[data-theme="light"] .footer       { background: rgba(240,244,248,.9); border-top-color: rgba(0,0,0,.10); }
[data-theme="light"] .link         { color: rgba(15,25,35,.75); }
[data-theme="light"] .link:hover   { color: #1A8FA3; }
[data-theme="light"] .brand__dot   { background: #1A8FA3; }
[data-theme="light"] .impressum    { color: rgba(15,25,35,.7); background: rgba(255,255,255,.7); }
[data-theme="light"] .impressum strong { color: rgba(15,25,35,.9); }
[data-theme="light"] #scroll-progress { box-shadow: 0 0 8px rgba(26,143,163,.4); }
[data-theme="light"] #cursor-glow  { background: radial-gradient(circle, rgba(26,143,163,.05) 0%, transparent 70%); }
[data-theme="light"] .hero__title  { color: #0f1923; }
[data-theme="light"] .hero__title em {
  background: linear-gradient(90deg, #1A8FA3, #0099BB);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
[data-theme="light"] .stat-item__num {
  background: linear-gradient(135deg, #1A8FA3, #0099BB);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
[data-theme="light"] .stat-item__label { color: rgba(15,25,35,.6); }
[data-theme="light"] .press__k { color: rgba(15,25,35,.65); }
[data-theme="light"] .press__item { background: rgba(255,255,255,.5); border-color: rgba(0,0,0,.10); }

/* Theme Toggle Button */
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--glass-light);
  cursor: pointer; color: var(--text);
  transition: background .2s, border-color .2s, transform .2s;
  flex-shrink: 0; margin-left: 8px;
}
.theme-toggle:hover { background: rgba(255,255,255,.1); transform: rotate(20deg); }
.theme-toggle svg { width: 16px; height: 16px; fill: currentColor; }

/* ── Social Share Bar ────────────────────────────────────── */
.share-section {
  padding: var(--s3) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(10,12,22,.3);
  backdrop-filter: blur(10px);
}
[data-theme="light"] .share-section {
  background: rgba(255,255,255,.5);
  border-color: rgba(0,0,0,.08);
}

.share-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.share-btn__label {
  font-size: .78rem;
  font-weight: 600;
  white-space: nowrap;
}

.share-bar__label {
  font-family: var(--mono); font-size: .72rem;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: .08em; white-space: nowrap;
}
.share-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 7px;
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--glass-light);
  color: var(--text);
  text-decoration: none; cursor: pointer;
  font-family: var(--sans);
  transition: transform .18s, background .2s, border-color .2s, color .2s;
  flex-shrink: 0;
}
.share-btn svg { width: 16px; height: 16px; display: block; fill: currentColor; flex-shrink: 0; }
.share-btn:hover { transform: translateY(-2px) scale(1.08); }
.share-btn--wa:hover  { background: rgba(37,211,102,.15);  border-color: rgba(37,211,102,.4);  color: #25D366; }
.share-btn--mail:hover { background: rgba(47,164,184,.15); border-color: rgba(47,164,184,.4);  color: var(--primary); }
.share-btn--fb:hover  { background: rgba(24,119,242,.15);  border-color: rgba(24,119,242,.4);  color: #1877F2; }
.share-btn--li:hover  { background: rgba(0,119,181,.15);   border-color: rgba(0,119,181,.4);   color: #0077B5; }
.share-btn--x:hover   { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.3); color: #fff; }
.share-btn--copy:hover { background: rgba(47,164,184,.15); border-color: rgba(47,164,184,.4);  color: var(--primary); }
.share-btn--copy.copied { background: rgba(47,164,184,.2); border-color: var(--primary); color: var(--primary); }
.share-btn { pointer-events: all; position: relative; z-index: 1; }

[data-theme="light"] .share-btn { color: #0f1923; border-color: rgba(0,0,0,.15); background: rgba(255,255,255,.7); }
[data-theme="light"] .share-bar__label { color: rgba(15,25,35,.6); }
[data-theme="light"] .share-btn--x:hover { color: #0f1923; background: rgba(0,0,0,.08); }


/* ═══════════════════════════════════════════════════════════
   v4.1.3 – Typewriter + Quiz
   ═══════════════════════════════════════════════════════════ */

/* ── O: Typewriter im Hero-Titel ────────────────────────── */
.tw-slot {
  display: block;            /* eigene Zeile → Höhe vorhersehbar */
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  /* Reserviert Höhe für max. 2 Zeilen, auch wenn aktuell nur 1 belegt ist */
  min-height: calc(1em * 1.1 * 2);
}
.tw-word {
  display: inline;
  background: inherit;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: break-word;
}
.tw-cursor {
  display: inline-block;
  background: none;
  -webkit-text-fill-color: var(--primary);
  color: var(--primary);
  animation: blink 0.75s step-end infinite;
  font-weight: 300;
  margin-left: 2px;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Quiz Kapitel-Empfehlung */
.quiz-result__chapter {
  font-family: var(--mono);
  font-size: .85rem;
  color: var(--primary);
  border: 1px solid rgba(47,164,184,.3);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  background: rgba(47,164,184,.08);
  letter-spacing: .02em;
}
.quiz-result__chapter:empty { display: none; }
[data-theme="light"] .quiz-result__chapter { color: #1A8FA3; background: rgba(47,164,184,.07); }

/* ── J: Quiz ────────────────────────────────────────────── */
.quiz-wrap {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}

.quiz-step { display: flex; flex-direction: column; gap: var(--s3); }

.quiz-question {
  font-size: clamp(1.05rem, .95rem + .5vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.3;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-opt {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(10,12,22,.35);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-family: var(--sans);
  font-size: .97rem;
  line-height: 1.45;
  transition: border-color .2s, background .2s, transform .15s;
  backdrop-filter: blur(8px);
}
.quiz-opt:hover {
  border-color: rgba(47,164,184,.45);
  background: rgba(47,164,184,.08);
  transform: translateX(4px);
}
.quiz-opt__icon { font-size: 1.4rem; flex-shrink: 0; width: 32px; text-align: center; }
.quiz-opt__text { flex: 1; }

/* Quiz Ergebnis */
.quiz-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--s2);
  padding: var(--s4);
  border: 1px solid rgba(47,164,184,.3);
  border-radius: var(--radius-lg);
  background: rgba(47,164,184,.07);
  backdrop-filter: blur(12px);
  animation: resultIn .5s cubic-bezier(0.22,1,0.36,1) both;
}
@keyframes resultIn {
  from { opacity:0; transform: scale(.96) translateY(16px); }
  to   { opacity:1; transform: scale(1)  translateY(0); }
}
.quiz-result__icon  { font-size: 3rem; line-height: 1; }
.quiz-result__badge {
  font-family: var(--mono); font-size: .78rem;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--primary);
  border: 1px solid rgba(47,164,184,.35);
  border-radius: 999px;
  padding: 4px 14px;
  background: rgba(47,164,184,.1);
}
.quiz-result__title { font-size: 1.3rem; font-weight: 800; letter-spacing: -.03em; margin: 0; }
.quiz-result__text  { color: var(--muted); line-height: 1.65; max-width: 480px; margin: 0; }
.quiz-result__actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.quiz-restart {
  background: transparent; border: 0;
  color: var(--muted); font-size: .88rem;
  cursor: pointer; text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s;
}
.quiz-restart:hover { color: var(--text); }

/* Fortschrittsbalken */
.quiz-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}
.quiz-progress__bar {
  flex: 1; height: 3px;
  background: var(--border);
  border-radius: 3px; overflow: hidden;
}
.quiz-progress__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 3px;
  transition: width .4s cubic-bezier(0.22,1,0.36,1);
}
.quiz-progress__label {
  font-family: var(--mono);
  font-size: .72rem; color: var(--muted);
  white-space: nowrap;
}

/* Quiz Schritt-Animation */
.quiz-step[hidden] { display: none; }
.quiz-step.slide-in {
  animation: slideIn .35s cubic-bezier(0.22,1,0.36,1) both;
}
@keyframes slideIn {
  from { opacity:0; transform: translateX(24px); }
  to   { opacity:1; transform: translateX(0); }
}

/* Light Mode Anpassungen */
[data-theme="light"] .quiz-opt {
  background: rgba(255,255,255,.75);
  border-color: rgba(0,0,0,.12);
  color: #0f1923;
}
[data-theme="light"] .quiz-opt:hover {
  background: rgba(47,164,184,.06);
  border-color: rgba(26,143,163,.4);
}
[data-theme="light"] .quiz-question { color: #0f1923; }
[data-theme="light"] .quiz-result {
  background: rgba(47,164,184,.06);
  border-color: rgba(47,164,184,.25);
}
[data-theme="light"] .quiz-result__title { color: #0f1923; }
[data-theme="light"] .quiz-result__text  { color: rgba(15,25,35,.7); }
[data-theme="light"] .quiz-progress__bar { background: rgba(0,0,0,.1); }

@media (max-width: 640px) {
  .quiz-opt { padding: 13px 14px; }
  .quiz-opt__icon { font-size: 1.2rem; width: 26px; }
  .quiz-result { padding: var(--s3); }
}


/* ═══════════════════════════════════════════════════════════
   v4.3.0 – Preisinfo, Autor-Section, Newsletter
   ═══════════════════════════════════════════════════════════ */

/* ── Buybox Preisinfo ────────────────────────────────────── */
.buybox__prices {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: var(--s2);
  margin-bottom: var(--s2);
  background: rgba(47,164,184,.08);
  border: 1px solid rgba(47,164,184,.2);
  border-radius: var(--radius-md);
}
.buybox__price {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.buybox__format {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.buybox__amount {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -.03em;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.buybox__divider {
  color: var(--border);
  font-size: 1.4rem;
  font-weight: 300;
}
[data-theme="light"] .buybox__prices {
  background: rgba(47,164,184,.06);
  border-color: rgba(47,164,184,.2);
}

/* ── Autor-Section ───────────────────────────────────────── */
.author-split {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--s5);
  align-items: start;
}
.author-avatar {
  display: flex;
  justify-content: center;
}
.author-avatar__circle {
  width: 140px; height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(47,164,184,.3), rgba(120,90,255,.3));
  border: 2px solid rgba(47,164,184,.35);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 800;
  letter-spacing: -.04em;
  color: var(--primary);
  box-shadow: 0 0 40px rgba(47,164,184,.15);
}
.author-bio__lead {
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.6;
  margin: 0 0 var(--s2);
  color: var(--text);
}
.author-bio__text {
  color: var(--muted);
  line-height: 1.75;
  font-size: .97rem;
  margin: 0 0 var(--s3);
}
.author-bio__text em {
  font-style: italic;
  color: var(--primary);
}
.author-bio__links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

[data-theme="light"] .author-avatar__circle {
  background: linear-gradient(135deg, rgba(47,164,184,.15), rgba(120,90,255,.15));
  color: #1A8FA3;
  border-color: rgba(47,164,184,.3);
}
[data-theme="light"] .author-bio__lead { color: #0f1923; }

@media (max-width: 640px) {
  .author-split { grid-template-columns: 1fr; }
  .author-avatar { margin-bottom: var(--s2); }
  .author-avatar__circle { width: 100px; height: 100px; font-size: 1.5rem; }
}

/* ── Newsletter ──────────────────────────────────────────── */
.newsletter-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s5);
  align-items: center;
  padding: var(--s4);
  border: 1px solid rgba(47,164,184,.25);
  border-radius: var(--radius-lg);
  background: rgba(47,164,184,.06);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}
.newsletter-wrap::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 0% 50%, rgba(47,164,184,.08), transparent 70%);
  pointer-events: none;
}
.newsletter-left h2 {
  font-size: clamp(1.4rem, 1.2rem + 1vw, 2rem);
  letter-spacing: -.03em;
  margin: var(--s1) 0 var(--s2);
}
.newsletter-left p {
  color: var(--muted);
  line-height: 1.65;
  font-size: .95rem;
  margin: 0;
}
.newsletter-form { position: relative; z-index: 1; }
.newsletter-form__row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.newsletter-form__input {
  flex: 1;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.08);
  color: var(--text);
  font-size: .97rem;
  outline: none;
  transition: border-color .2s, background .2s;
}
.newsletter-form__input:focus {
  border-color: rgba(47,164,184,.5);
  background: rgba(255,255,255,.12);
}
.newsletter-form__hint {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--muted);
  margin: 0;
}

[data-theme="light"] .newsletter-wrap {
  background: rgba(255,255,255,.7);
  border-color: rgba(47,164,184,.2);
}
[data-theme="light"] .newsletter-form__input {
  background: rgba(255,255,255,.9);
  border-color: rgba(0,0,0,.15);
  color: #0f1923;
}
[data-theme="light"] .newsletter-form__input::placeholder { color: rgba(15,25,35,.4); }
[data-theme="light"] .newsletter-form__input:focus {
  border-color: rgba(26,143,163,.5);
  background: #fff;
}
[data-theme="light"] .newsletter-left h2 { color: #0f1923; }

@media (max-width: 768px) {
  .newsletter-wrap { grid-template-columns: 1fr; gap: var(--s3); }
  .newsletter-form__row { flex-direction: column; }
}