/* Dr. Eisen – responsive Landingpage. Keine externen CSS-Abhängigkeiten. */
:root {
  --petrol: #0d3033;
  --petrol-deep: #09272a;
  --sage: #bfdcb0;
  --sage-light: #d0e3c4;
  --paper: #f5f4ed;
  --ink: #123436;
  --muted: #51665f;
  --line: #dbded4;
  --white-line: rgb(244 243 235 / 25%);
  --font: Arial, Helvetica, sans-serif;
  --ease-out: cubic-bezier(.23, 1, .32, 1);
  --wrap: 1280px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, figure { margin: 0; }
a { color: inherit; text-underline-offset: 4px; }
button, summary { font: inherit; cursor: pointer; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
button, input, a { touch-action: manipulation; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #587e48; outline-offset: 5px; }
.hero-shell :focus-visible, .header-shell :focus-visible, .business :focus-visible { outline-color: var(--sage); }
.wrap { width: min(calc(100% - 96px), var(--wrap)); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; inset: 12px auto auto 12px; padding: 12px 18px; background: var(--paper); color: var(--ink); border-radius: 4px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.header-shell, .hero-shell { background: var(--petrol); color: var(--paper); }
.hero-shell { position: relative; isolation: isolate; overflow: hidden; background: radial-gradient(ellipse at 74% 55%, #1e4a45 0, transparent 45%), linear-gradient(115deg, var(--petrol-deep), var(--petrol)); }
.organic-light { position: absolute; z-index: -1; border: 1px solid rgb(194 219 163 / 15%); box-shadow: inset 0 0 34px rgb(181 207 139 / 6%); border-radius: 50%; pointer-events: none; }
.organic-light--one { width: 230px; height: 230px; right: -120px; top: 42%; }
.organic-light--two { width: 90px; height: 90px; left: 47%; top: 60%; opacity: .6; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-block: 25px 22px; position: relative; z-index: 10; }
.wordmark { text-decoration: none; flex-shrink: 0; color: var(--paper); }
.wordmark span { display: block; font-size: 28px; font-weight: 800; letter-spacing: -.8px; line-height: 1.05; }
.wordmark small { display: block; font-size: 9px; font-weight: 400; letter-spacing: 1.15px; margin-top: 7px; }
.desktop-nav { display: flex; align-items: center; gap: 26px; }
.desktop-nav > a:not(.button) { font-size: 13px; text-decoration: none; color: #d0dcda; padding-block: 10px; }
.desktop-nav > a:not(.button):hover { color: var(--sage); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 54px; padding: 14px 24px; border: 1px solid transparent; border-radius: 999px; text-decoration: none; font-size: 14px; font-weight: 700; line-height: 1.3; white-space: nowrap; transition: transform 160ms var(--ease-out), background-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out); }
.button > span { font-size: 20px; font-weight: 400; line-height: 1; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: scale(.97); }
.button--sage { background: var(--sage); color: var(--petrol-deep); }
.button--sage:hover { background: #d2e9c5; box-shadow: 0 8px 24px rgb(0 0 0 / 10%); }
.button--outline { border-color: #aec3bd; color: var(--paper); background: transparent; }
.button--outline:hover { background: rgb(255 255 255 / 7%); }
.button--small { min-height: 40px; padding: 10px 17px; font-size: 12px; gap: 8px; }
.button--small > span { font-size: 16px; }
.button--dark { background: var(--petrol); color: var(--paper); }
.button--plain { background: transparent; color: var(--ink); padding-inline: 0; border: 0; text-decoration: underline; margin-top: 10px; }
.mobile-nav { display: none; }
.eyebrow { display: flex; align-items: center; gap: 20px; color: #507252; font-size: 11px; font-weight: 500; letter-spacing: 2.1px; text-transform: uppercase; line-height: 1.6; }
.eyebrow::after { content: ""; height: 1px; width: 52px; background: #90aa87; flex-shrink: 0; }
.eyebrow--light { color: #dce8da; }
.eyebrow--light::after { background: var(--sage); }
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 0 45px; align-items: center; padding-block: 52px 34px; }
.hero-copy { align-self: center; position: relative; z-index: 1; }
.hero h1 { font-size: clamp(40px, 4.35vw, 64px); font-weight: 750; letter-spacing: -2.7px; line-height: 1.075; margin-top: 26px; }
.hero h1 em { font-style: normal; color: var(--sage); }
.hero-description { max-width: 540px; color: #d2dfda; font-size: 19px; line-height: 1.55; margin-top: 27px; }
.hero-actions { display: flex; gap: 15px; align-items: center; margin-top: 31px; flex-wrap: wrap; }
.book-stage { position: relative; display: grid; place-items: center; padding: 0 42px 0 8px; perspective: 1200px; grid-row: 1 / 3; grid-column: 2; min-width: 0; }
.book-object { position: relative; width: min(100%, 345px); transform: rotateY(-12deg) rotateZ(1.2deg); transform-style: preserve-3d; }
.book-front { position: relative; z-index: 2; width: 100%; height: auto; border-radius: 2px 3px 3px 2px; box-shadow: -4px 0 1px #173d3c, -9px 0 0 #1a4545, 1px 1px 0 #57806b, 10px 17px 30px rgb(0 0 0 / 20%); }
.book-object::after { content: ""; position: absolute; z-index: 3; inset: 0 auto 0 0; width: 14px; background: linear-gradient(90deg, rgb(255 255 255 / 10%), transparent 24%, rgb(0 0 0 / 17%) 43%, transparent); pointer-events: none; }
.book-pages { position: absolute; z-index: 1; top: 6px; bottom: 5px; left: 100%; width: 26px; border-radius: 0 3px 4px 0; background: repeating-linear-gradient(90deg, #e7e6dd 0 1px, #f7f6ec 1px 2px, #c8cbbf 2px 3px); transform: skewY(9deg); transform-origin: left center; box-shadow: 3px 3px 0 #1d4545; }
.book-shadow { position: absolute; inset: auto 7% -17px 3%; height: 35px; border-radius: 50%; filter: blur(14px); background: rgb(0 0 0 / 25%); }
.book-side-note { display: none; position: absolute; right: -12px; bottom: 12%; color: #93aaa0; font-size: 9px; line-height: 2; letter-spacing: 1.2px; text-transform: uppercase; }
.hero-meta { grid-column: 1; margin-top: 33px; }
.hero-meta::before { content: ""; display: block; width: 34px; height: 1px; background: #93aa99; margin-bottom: 15px; }
.book-facts { display: flex; flex-wrap: wrap; gap: 12px 0; color: #d3e0d8; font-size: 13px; }
.book-facts > span + span { margin-left: 17px; padding-left: 17px; border-left: 1px solid #647f76; }
.price-note { color: #b2c7bc; font-size: 11px; margin-top: 5px; }
.availability { color: #bacbc2; font-size: 11px; line-height: 1.6; margin-top: 9px; max-width: 450px; }
.mobile-eyebrow, .mobile-break { display: none; }
.section-space { padding-block: 72px; }
h2 { font-size: clamp(31px, 3.05vw, 45px); font-weight: 700; letter-spacing: -1.8px; line-height: 1.13; }
.samples h2 { margin-top: 18px; }
.section-intro { font-size: 18px; color: #465c53; margin-top: 15px; }
.sample-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; margin-top: 33px; }
.sample-card { border: 1px solid var(--line); border-radius: 5px; position: relative; min-width: 0; padding: 25px 24px 20px; overflow: hidden; display: flex; flex-direction: column; background: rgb(255 255 255 / 16%); transition: border-color 180ms var(--ease-out), transform 180ms var(--ease-out); }
.sample-card:hover { border-color: #afc4a5; transform: translateY(-3px); }
.sample-number { font-size: 57px; line-height: 1; font-weight: 400; letter-spacing: -4px; color: #83a976; }
.sample-card h3 { font-size: 25px; line-height: 1.12; letter-spacing: -.7px; margin-top: 21px; font-weight: 500; position: relative; z-index: 1; }
.sample-card > p { font-size: 13px; color: #586b61; line-height: 1.6; margin-top: 15px; padding-right: 5px; }
.sample-action { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 0 0; margin-top: auto; font-size: 12px; text-decoration: none; }
.sample-action .arrow { font-size: 25px; line-height: 1; }
.sample-art { position: absolute; pointer-events: none; width: 155px; height: 155px; top: 17px; right: -35px; opacity: .6; }
.sample-art--arc { border: 1px solid #b6cdb0; border-radius: 80% 0 0 0; transform: rotate(-10deg); }
.sample-art--arc::after { content: ""; position: absolute; inset: 22px 0 0 13px; border: 1px solid #b6cdb0; border-radius: 80% 0 0 0; }
.sample-art--rings { border: 1px solid #bbcab8; border-radius: 50%; }
.sample-art--rings::before, .sample-art--rings::after { content: ""; position: absolute; inset: 15px; border: 1px solid #b6cdb0; border-radius: 50%; }
.sample-art--rings::after { inset: 30px; }
.sample-art--orbit { width: 135px; height: 135px; right: 0; border: 1px solid #b6cdb0; border-radius: 50%; }
.sample-art--orbit::after { content: ""; position: absolute; inset: -9px 24px; border: 1px solid #b6cdb0; border-radius: 50%; transform: rotate(-28deg); }
.sample-note { color: #647363; font-size: 12px; line-height: 1.6; margin-top: 16px; }
.author-section { background: var(--sage-light); }
.author-grid { display: grid; grid-template-columns: .9fr 1.25fr; gap: 70px; align-items: center; }
.author-portrait { position: relative; align-self: stretch; height: auto; min-height: 410px; }
.author-portrait img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 44%; }
.author-copy { padding-block: 58px; }
.author-copy h2 { margin-top: 21px; }
.author-name { font-size: 22px; letter-spacing: -.5px; margin-top: 26px; line-height: 1.3; }
.author-role { color: #426050; font-size: 15px; margin-top: 5px; }
.short-rule { display: block; width: 35px; height: 1px; margin-block: 24px; background: #779572; }
.author-copy > p:not(.eyebrow,.author-name,.author-role) { color: #3d5a48; font-size: 16px; line-height: 1.6; max-width: 570px; }
.author-copy > p + p:not(.author-role) { margin-top: 14px; }
.business { position: relative; background: var(--petrol); color: var(--paper); }
.business-grid { display: grid; grid-template-columns: 1.1fr .65fr; gap: 90px; }
.business h2 { margin-top: 18px; font-size: clamp(36px, 3.4vw, 50px); }
.business-description { margin-block: 18px 24px; color: #d4dfd8; font-size: 18px; }
.mail-note { color: #a9c0b4; font-size: 12px; line-height: 1.6; margin-top: 13px; max-width: 400px; }
.business-aside { justify-self: end; align-self: center; padding-right: 40px; }
.business-aside .short-rule { background: var(--sage); }
.business-aside > p:first-of-type { font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase; line-height: 2.3; color: #b9cec0; }
.business-small { color: #a7bcb0; font-size: 12px; line-height: 1.8; margin-top: 20px; }
.purchase-strip { display: grid; grid-template-columns: 72px minmax(0,1fr) auto auto; align-items: center; gap: 30px; border: 1px solid #35514b; border-radius: 8px; padding: 16px 25px; margin-top: 48px; background: rgb(0 0 0 / 7%); }
.purchase-strip > img { height: 100px; width: 69px; object-fit: contain; }
.purchase-description h3 { font-size: 16px; font-weight: 600; line-height: 1.3; }
.purchase-description p { color: #a9c0b4; font-size: 12px; margin-top: 9px; }
.purchase-price strong { display: block; font-size: 27px; letter-spacing: -.9px; white-space: nowrap; line-height: 1.2; }
.purchase-price small { display: block; margin-top: 8px; color: #b5c8bd; font-size: 10px; white-space: nowrap; }
.medical-note { color: #afc4b8; font-size: 11px; margin-top: 19px; }
.site-footer { background: var(--paper); }
.footer-row { display: flex; align-items: center; justify-content: space-between; padding-block: 25px; gap: 24px; }
.publisher { letter-spacing: 4px; font-size: 13px; }
.footer-row nav { display: flex; gap: 27px; font-size: 12px; flex-wrap: wrap; }
.footer-row nav a { text-decoration: none; }
.footer-row nav a:hover { text-decoration: underline; }
.launch-notice { border-top: 1px solid var(--line); padding-block: 18px 24px; font-size: 11px; color: #627269; }
.info-dialog { width: min(540px, calc(100% - 36px)); padding: 30px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); box-shadow: 0 25px 100px rgb(0 0 0 / 25%); }
.info-dialog::backdrop { background: rgb(2 21 23 / 70%); backdrop-filter: blur(5px); }
.dialog-top { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 22px; }
.dialog-close { border: 0; width: 42px; height: 42px; font-size: 30px; line-height: 1; background: #e6eadd; color: var(--ink); border-radius: 50%; }
.info-dialog h2 { font-size: 33px; letter-spacing: -1.2px; }
.info-dialog > p { margin-top: 17px; color: var(--muted); }
.info-dialog #dialog-link { margin-top: 25px; }
@media (min-width: 1600px) { .hero { padding-block: 72px 45px; } }
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 64px); }
  .desktop-nav { gap: 17px; }
  .desktop-nav > a:not(.button) { font-size: 12px; }
  .wordmark span { font-size: 25px; }
  .hero { column-gap: 25px; }
  .hero h1 { font-size: clamp(39px, 4.8vw, 54px); letter-spacing: -2px; }
  .hero-description { font-size: 17px; }
  .book-stage { padding-inline: 6px 35px; }
  .book-side-note { display: none; }
  .hero-actions .button { padding-inline: 19px; font-size: 13px; gap: 13px; }
  .author-grid { gap: 42px; }
  .author-copy { padding-block: 40px; }
  .author-copy h2 { font-size: 35px; }
  .purchase-strip { gap: 20px; padding-inline: 18px; }
  .purchase-description h3 { font-size: 14px; }
}
@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; color: var(--paper); }
  .mobile-nav summary { list-style: none; width: 48px; height: 44px; display: grid; place-items: center; border-radius: 4px; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .menu-lines { position: relative; display: block; width: 25px; height: 16px; border-top: 1px solid currentColor; border-bottom: 1px solid currentColor; }
  .menu-lines::after { content: ""; position: absolute; left: 0; right: 0; top: 6px; border-top: 1px solid currentColor; }
  .mobile-nav[open] summary { background: rgb(255 255 255 / 7%); }
  .mobile-nav nav { position: absolute; right: 0; top: calc(100% - 8px); width: min(320px, calc(100vw - 64px)); display: grid; background: #153d3e; box-shadow: 0 20px 40px rgb(0 0 0 / 20%); border: 1px solid #426157; border-radius: 8px; padding: 9px; }
  .mobile-nav nav a { padding: 13px 17px; text-decoration: none; font-size: 15px; border-radius: 4px; }
  .mobile-nav nav a:hover { background: #244c46; }
  .hero { padding-top: 37px; grid-template-columns: 1.1fr .9fr; }
  .hero h1 { font-size: 41px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { width: 100%; max-width: 300px; }
  .sample-card { padding: 21px 18px; }
  .sample-card h3 { font-size: 22px; }
  .sample-card > p { font-size: 12px; }
  .author-grid { gap: 33px; }
  .author-copy h2 { font-size: 31px; }
  .author-name { font-size: 19px; }
  .author-role { font-size: 12px; }
  .author-copy > p:not(.eyebrow,.author-name,.author-role) { font-size: 14px; }
  .purchase-strip { grid-template-columns: 66px 1fr auto; }
  .purchase-price { grid-row: 2; grid-column: 2; }
  .purchase-strip > .button { grid-row: 2; grid-column: 3; }
  .business-grid { gap: 30px; }
  .business-aside { padding-right: 0; }
}
@media (max-width: 680px) {
  html { scroll-padding-top: 20px; }
  .wrap { width: calc(100% - 40px); }
  .site-header { padding-block: 22px 15px; }
  .wordmark span { font-size: 27px; letter-spacing: -.8px; }
  .wordmark small { display: none; }
  .mobile-nav nav { width: min(330px, calc(100vw - 40px)); }
  .hero { display: flex; flex-direction: column; padding-block: 25px 34px; gap: 0; }
  .hero-copy { width: 100%; text-align: center; }
  .eyebrow { font-size: 10px; letter-spacing: 1.6px; gap: 14px; }
  .hero .eyebrow { justify-content: center; color: var(--sage); }
  .hero .eyebrow::after { display: none; }
  .desktop-eyebrow, .desktop-break { display: none; }
  .mobile-eyebrow, .mobile-break { display: inline; }
  .hero h1 { font-size: clamp(35px, 8.25vw, 56px); line-height: 1.09; letter-spacing: -1.7px; margin-top: 20px; }
  .hero-description { font-size: 16px; line-height: 1.5; margin: 22px auto 0; max-width: 440px; }
  .hero-actions { margin-top: 25px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .hero-actions .button { max-width: none; font-size: 12px; min-height: 49px; padding-inline: 9px; gap: 9px; }
  .hero-actions .button > span { font-size: 18px; }
  .book-stage { width: 100%; padding: 36px 26px 0; margin-top: 0; }
  .book-object { width: min(58vw, 275px); transform: rotateY(-7deg); }
  .book-pages { width: 17px; }
  .book-side-note { display: none; }
  .book-shadow { bottom: -10px; left: 20%; right: 15%; }
  .hero-meta { width: 100%; margin-top: 26px; text-align: center; }
  .hero-meta::before { display: none; }
  .book-facts { justify-content: center; font-size: 13px; }
  .book-facts > span + span { margin-left: 11px; padding-left: 11px; }
  .availability { margin: 12px auto 0; max-width: 350px; font-size: 10px; }
  .price-note { font-size: 10px; }
  .organic-light--one { width: 150px; height: 150px; right: -100px; top: 25%; }
  .organic-light--two { left: -36px; top: 72%; }
  .section-space { padding-block: 48px; }
  .samples .eyebrow { justify-content: center; }
  .samples .eyebrow::after { display: none; }
  .samples h2 { margin-top: 17px; text-align: center; font-size: clamp(32px, 8vw, 44px); letter-spacing: -1.3px; }
  .section-intro { text-align: center; font-size: 15px; margin-top: 15px; }
  .sample-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 28px; }
  .sample-card { padding: 22px; }
  .sample-number { font-size: 46px; }
  .sample-card h3 { margin-top: 17px; font-size: 25px; }
  .sample-card > p { max-width: 85%; font-size: 13px; }
  .sample-action { padding-top: 18px; font-size: 13px; }
  .sample-art { right: -4px; width: 175px; height: 175px; }
  .sample-art--orbit { right: 15px; width: 140px; height: 140px; }
  .sample-note { font-size: 11px; }
  .author-grid { display: flex; flex-direction: column; width: 100%; gap: 0; }
  .author-portrait { width: 100%; height: auto; min-height: 0; }
  .author-portrait img { position: static; width: 100%; height: auto; aspect-ratio: 1.2; object-fit: cover; object-position: center 34%; }
  .author-copy { padding: 38px 20px 44px; width: 100%; }
  .author-copy h2 { font-size: 33px; letter-spacing: -1.3px; }
  .author-name { font-size: 20px; }
  .author-role { font-size: 13px; }
  .author-copy > p:not(.eyebrow,.author-name,.author-role) { font-size: 15px; }
  .business-grid { grid-template-columns: 1fr; gap: 20px; }
  .business h2 { font-size: 39px; letter-spacing: -1.5px; }
  .business-description { font-size: 16px; margin-block: 18px 22px; }
  .business-aside { display: none; }
  .purchase-strip { margin-top: 34px; grid-template-columns: 58px 1fr; padding: 17px; gap: 17px; }
  .purchase-strip > img { width: 55px; height: 80px; }
  .purchase-description h3 { font-size: 15px; }
  .purchase-description p { font-size: 10px; }
  .purchase-price { grid-column: 1 / -1; grid-row: 2; display: flex; align-items: baseline; gap: 14px; }
  .purchase-price strong { font-size: 25px; }
  .purchase-price small { font-size: 10px; }
  .purchase-strip > .button { grid-row: 3; grid-column: 1 / -1; width: 100%; }
  .medical-note { font-size: 10px; }
  .footer-row { flex-direction: column; align-items: flex-start; gap: 19px; }
  .footer-row nav { gap: 24px; }
  .launch-notice { font-size: 10px; }
  .info-dialog { padding: 24px; }
  .info-dialog h2 { font-size: 29px; }
}
@media (max-width: 350px) { .hero-actions { grid-template-columns: 1fr; } .hero h1 { font-size: 33px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
@media print { .mobile-nav, .desktop-nav, .button, .launch-notice { display: none !important; } body, .hero-shell, .header-shell, .business { color: #000; background: #fff; } .wrap { width: 100%; } .hero h1 em { color: #000; } .section-space { padding-block: 24px; } .book-stage { display: none; } .hero { display: block; } .hero-description, .book-facts, .availability, .price-note { color: #000; } }

/* Drei echte Leseproben: Originalgrafik, Seitenumfang und direkter PDF-Zugang. */
.sample-card--ready { padding: 0; background: #fbfbf7; }
.sample-preview { display: flex; flex-direction: column; justify-content: center; min-height: 260px; padding: 18px 18px 14px; background: #fff; border-bottom: 1px solid var(--line); }
.sample-preview img { width: 100%; height: 198px; object-fit: contain; }
.sample-preview figcaption { color: #52675d; font-size: 10px; line-height: 1.45; margin-top: 10px; }
.sample-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.sample-meta { display: flex; align-items: center; gap: 12px; color: #55714f; font-size: 11px; letter-spacing: .5px; }
.sample-card--ready .sample-number { font-size: 13px; letter-spacing: 1px; font-weight: 700; }
.sample-card--ready h3 { margin-top: 17px; font-size: 29px; line-height: 1.12; font-weight: 600; }
.sample-chapter { color: #536b5c; font-size: 11px; margin-top: 12px; line-height: 1.45; }
.sample-description { color: #4a6155; font-size: 14px; line-height: 1.65; margin-top: 14px; }
.sample-file { color: #5b6c5c; font-size: 11px; margin-top: auto; padding-top: 23px; }
.sample-card--ready .sample-action { color: var(--petrol); font-weight: 700; padding-top: 16px; margin-top: 15px; border-top: 1px solid var(--line); font-size: 13px; }
.sample-card--ready .sample-action:hover { color: #446c37; }
@media (min-width: 681px) and (max-width: 1000px) {
 .sample-body { padding: 19px; }
 .sample-card--ready h3 { font-size: 24px; }
 .sample-description { font-size: 13px; }
 .sample-preview { min-height: 210px; padding: 13px; }
 .sample-preview img { height: 150px; }
}
@media (max-width: 680px) {
 .sample-grid { gap: 24px; }
 .sample-preview { min-height: 0; }
 .sample-preview img { height: auto; max-height: 225px; }
 .sample-body { padding: 25px; }
 .sample-card--ready h3 { font-size: 29px; }
 .sample-file { padding-top: 20px; }
 .sample-preview figcaption { font-size: 11px; }
}

/* Vollständige Original-Kapitelübersicht: native details/summary, auch ohne JavaScript. */
.toc-section { background: #eceee5; border-top: 1px solid var(--line); }
.toc-grid { display: grid; grid-template-columns: minmax(0,.75fr) minmax(0,1.4fr); gap: 75px; align-items: start; }
.toc-intro h2 { margin-top: 21px; }
.toc-description { margin-top: 24px; color: #425d51; font-size: 17px; line-height: 1.65; }
.toc-instruction { margin-top: 18px; color: #53685b; font-size: 13px; line-height: 1.65; }
.toc-pdf { margin-top: 29px; padding-inline: 21px; gap: 13px; font-size: 13px; white-space: normal; text-align: center; }
.toc-download-note { margin-top: 12px; color: #566b5e; font-size: 11px; }
.toc-list { min-width: 0; }
.toc-list-heading { display: flex; justify-content: space-between; gap: 20px; padding: 0 10px 16px 0; border-bottom: 1px solid #b8c8b7; color: #546c58; font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px; }
.toc-chapter { border-bottom: 1px solid #cbd3c5; }
.toc-chapter > summary { display: grid; grid-template-columns: 32px minmax(0,1fr) 42px 18px; align-items: center; gap: 13px; padding: 21px 9px 21px 0; list-style: none; border-radius: 3px; }
.toc-chapter > summary::-webkit-details-marker, .toc-more > summary::-webkit-details-marker, .toc-additional > summary::-webkit-details-marker { display: none; }
.toc-number { color: #537a48; font-size: 13px; font-weight: 700; letter-spacing: .6px; }
.toc-chapter-title { font-size: 16px; line-height: 1.4; color: var(--ink); font-weight: 500; overflow-wrap: anywhere; }
.toc-chapter-page { color: #51665a; font-size: 11px; text-align: right; white-space: nowrap; }
.toc-toggle { color: #496a48; font-size: 24px; line-height: 1; font-weight: 400; text-align: center; }
.toc-chapter > summary:hover, .toc-more > summary:hover, .toc-additional > summary:hover { background: #e0e7d9; }
.toc-chapter[open] > summary { background: #dde6d5; }
.toc-chapter[open] > summary .toc-toggle, .toc-more[open] > summary .toc-toggle, .toc-additional[open] > summary .toc-toggle { transform: rotate(45deg); }
.toc-chapter-content { padding: 0 13px 24px 45px; }
.toc-entries { list-style: none; margin: 0; padding: 0; }
.toc-entry { display: grid; grid-template-columns: minmax(0,1fr) 32px; gap: 18px; border-bottom: 1px solid #d8dfd1; padding: 10px 0; color: #435e4e; font-size: 13px; line-height: 1.55; }
.toc-entry > span:first-child { overflow-wrap: anywhere; }
.toc-entry:last-child { border-bottom: none; }
.toc-page { font-size: 11px; text-align: right; color: #526e5a; }
.toc-entry--hack { color: #355b36; font-weight: 700; }
.toc-sample-link { display: inline-flex; gap: 10px; margin-top: 16px; color: var(--petrol); font-size: 12px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.toc-more > summary, .toc-additional > summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; list-style: none; padding: 20px 10px; font-size: 13px; color: #315b3c; }
.toc-more > summary { margin-top: 18px; border: 1px solid #b1c3a6; border-radius: 5px; background: #e2e9da; font-weight: 700; }
.toc-more-open, .toc-more[open] .toc-more-closed { display: none; }
.toc-more[open] .toc-more-open { display: inline; }
.toc-more[open] > summary { margin-bottom: 7px; }
.toc-additional { margin-top: 10px; }
.toc-additional > summary { border-bottom: 1px solid #cbd3c5; }
.toc-additional .toc-chapter-content { padding-left: 10px; }
@media (max-width: 1100px) { .toc-grid { gap: 38px; grid-template-columns: minmax(0,.75fr) minmax(0,1.25fr); } }
/* Die zusätzliche Hauptnavigation erhält vor schmalen Desktopbreiten ein Menü. */
@media (max-width: 1050px) {
 .desktop-nav { display: none; }
 .mobile-nav { display: block; color: var(--paper); }
 .mobile-nav summary { list-style: none; width: 48px; height: 44px; display: grid; place-items: center; border-radius: 4px; }
 .mobile-nav summary::-webkit-details-marker { display: none; }
 .menu-lines { position: relative; display: block; width: 25px; height: 16px; border-top: 1px solid currentColor; border-bottom: 1px solid currentColor; }
 .menu-lines::after { content: ""; position: absolute; left: 0; right: 0; top: 6px; border-top: 1px solid currentColor; }
 .mobile-nav[open] summary { background: rgb(255 255 255 / 7%); }
 .mobile-nav nav { position: absolute; right: 0; top: calc(100% - 8px); width: min(320px, calc(100vw - 64px)); display: grid; background: #153d3e; box-shadow: 0 20px 40px rgb(0 0 0 / 20%); border: 1px solid #426157; border-radius: 8px; padding: 9px; }
 .mobile-nav nav a { padding: 13px 17px; text-decoration: none; font-size: 15px; border-radius: 4px; }
 .mobile-nav nav a:hover { background: #244c46; }
}
@media (max-width: 680px) {
 .toc-grid { grid-template-columns: 1fr; gap: 35px; }
 .toc-intro h2 { font-size: 38px; }
 .toc-description { font-size: 16px; }
 .toc-chapter > summary { grid-template-columns: 25px minmax(0,1fr) 36px 16px; gap: 9px; padding: 19px 3px 19px 0; }
 .toc-chapter-title { font-size: 14px; }
 .toc-chapter-content { padding: 0 4px 23px 34px; }
 .toc-entry { gap: 10px; font-size: 12px; }
 .toc-instruction { font-size: 12px; }
 .toc-pdf { max-width: 100%; }
 .mobile-nav nav { width: min(330px, calc(100vw - 40px)); }
}
@media print { .toc-grid { display: block; } .toc-pdf { display: none !important; } }

/* Launch v6: Buchtrailer und klarer Vorbestellweg. */
.preorder-label { margin: 0 0 11px; color: var(--sage); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; font-weight: 700; }
.subscription-note { max-width: 440px; margin-top: 12px; color: #d9e6d7; font-size: 12px; line-height: 1.65; }
.trailer-section { background: #e8eddf; }
.trailer-grid { display: grid; grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); gap: 65px; align-items: center; }
.trailer-copy h2 { margin-top: 20px; }
.trailer-copy > p:not(.eyebrow) { color: #435c4c; font-size: 17px; line-height: 1.65; margin-top: 23px; }
.trailer-text-link { display: inline-flex; align-items: center; gap: 15px; color: #294d32; font-size: 13px; font-weight: 700; margin-top: 25px; text-decoration: none; }
.trailer-text-link:hover { text-decoration: underline; }
.trailer-media { min-width: 0; }
.trailer-player { border-radius: 10px; overflow: hidden; background: var(--petrol-deep); box-shadow: 0 15px 35px rgb(28 56 39 / 13%); }
.trailer-player video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; }
.trailer-caption { color: #526955; font-size: 11px; margin-top: 13px; line-height: 1.6; }
.trailer-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 5px 23px; margin-top: 17px; }
.trailer-actions .button { min-height: 48px; font-size: 12px; padding: 12px 20px; }
.trailer-actions .button--plain { margin-top: 0; padding-inline: 0; }
.video-error { color: #66321f; margin-top: 10px; font-size: 12px; }
.trailer-description { margin-top: 15px; font-size: 12px; color: #4c6653; }
.trailer-description summary { padding: 6px 0; text-decoration: underline; text-underline-offset: 3px; }
.trailer-description > p { margin-top: 10px; padding: 16px; background: #f4f6ef; line-height: 1.7; border-radius: 5px; }
.order-info { background: #f8f8f2; border-top: 1px solid var(--line); }
.order-grid { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: 85px; align-items: start; }
.order-grid h2 { margin-top: 20px; }
.order-intro { font-size: 17px; color: #49624f; margin-top: 24px; max-width: 430px; }
.order-grid > div:first-child > .button { margin-top: 27px; white-space: normal; text-align: center; gap: 6px; }
.order-grid .button [data-price] { font-size: inherit; font-weight: inherit; line-height: inherit; }
.order-price-note { font-size: 11px; color: #526755; margin-top: 13px; }
.order-faq h3 { font-size: 18px; font-weight: 600; margin: 4px 0 15px; }
.order-faq details { border-bottom: 1px solid #cfd7c8; }
.order-faq summary { font-size: 15px; font-weight: 600; padding: 19px 6px 19px 0; color: #2b4932; }
.order-faq details > p { font-size: 13px; color: #4b6451; padding: 0 22px 21px 0; line-height: 1.7; }
@media (max-width: 1100px) { .trailer-grid { gap: 35px; grid-template-columns: minmax(0,.75fr) minmax(0,1.25fr); } .trailer-copy h2 { font-size: 36px; } .order-grid { gap: 45px; } }
@media (max-width: 680px) {
 .trailer-grid, .order-grid { grid-template-columns: 1fr; gap: 30px; }
 .trailer-copy h2, .order-grid h2 { font-size: 36px; }
 .trailer-copy > p:not(.eyebrow), .order-intro { font-size: 16px; }
 .trailer-player { border-radius: 7px; }
 .trailer-actions { gap: 4px 18px; }
 .trailer-actions .button { font-size: 11px; padding-inline: 14px; }
 .trailer-caption { font-size: 10px; }
 .order-faq { margin-top: 10px; }
 .order-grid > div:first-child > .button { width: 100%; }
 .order-price-note { font-size: 10px; }
 .hero-actions .button { font-size: 11px; }
 .subscription-note { font-size: 11px; }
}
@media print { .trailer-player, .trailer-actions { display: none; } }