:root {
  --bg: #07090f;
  --bg-2: #0b0f19;
  --panel: rgba(14, 19, 31, 0.84);
  --panel-solid: #101624;
  --panel-2: #151c2d;
  --text: #f4f1eb;
  --muted: #c8c1b7;
  --dim: #908a84;
  --line: rgba(255, 255, 255, 0.14);
  --red: #8f1217;
  --red-bright: #c22b30;
  --gold: #d4a84a;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
  --radius: 24px;
  --radius-sm: 14px;
  --max: 1180px;
  --header-h: 78px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 10%, rgba(143, 18, 23, 0.2), transparent 28rem),
    radial-gradient(circle at 80% 35%, rgba(212, 168, 74, 0.08), transparent 34rem),
    linear-gradient(180deg, #090b12 0%, #07090f 38%, #090b12 100%);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-color: rgba(212, 168, 74, 0.55);
  text-underline-offset: 0.18em;
}

a:hover { text-decoration-color: var(--gold); }

button, input, textarea, select { font: inherit; }

::selection {
  background: rgba(194, 43, 48, 0.85);
  color: var(--white);
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--gold);
  color: #111;
  font-weight: 800;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(6, 8, 14, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: grid;
  gap: 0;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.brand-main {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  font-weight: 700;
  line-height: 1;
}

.brand-sub {
  margin-top: 5px;
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.21em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  font-size: 0.94rem;
  font-weight: 800;
}

.site-nav a {
  position: relative;
  text-decoration: none;
  color: var(--muted);
  transition: color 0.2s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  border-radius: 999px;
  background: var(--red-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.site-nav a:hover {
  color: var(--white);
}

.site-nav a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle i,
.nav-toggle i::before,
.nav-toggle i::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle i { position: relative; }
.nav-toggle i::before,
.nav-toggle i::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle i::before { top: -6px; }
.nav-toggle i::after { top: 6px; }

.nav-open .nav-toggle i { background: transparent; }
.nav-open .nav-toggle i::before { top: 0; transform: rotate(45deg); }
.nav-open .nav-toggle i::after { top: 0; transform: rotate(-45deg); }

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  isolation: isolate;
  overflow: hidden;
  display: grid;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.hero-bg,
.hero-bg img,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg img {
  object-fit: cover;
  object-position: center center;
  filter: saturate(0.94) contrast(1.05);
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(5,7,12,0.96) 0%, rgba(5,7,12,0.88) 31%, rgba(5,7,12,0.34) 60%, rgba(5,7,12,0.08) 100%),
    linear-gradient(180deg, rgba(5,7,12,0.45), rgba(5,7,12,0.88));
}

.hero-bg { z-index: -2; }

.hero-inner {
  padding-block: clamp(70px, 9vw, 130px);
}

.hero-copy {
  width: min(620px, 100%);
}

.eyebrow,
.kicker {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.21em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.05;
  text-wrap: balance;
}

h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(3.1rem, 8vw, 7rem);
  max-width: 9ch;
  text-shadow: 0 14px 55px rgba(0,0,0,0.8);
}

h2 {
  font-size: clamp(2.15rem, 4.6vw, 4.8rem);
}

h3 {
  font-size: clamp(1.16rem, 2vw, 1.48rem);
}

.hero-lead {
  margin: 28px 0 0;
  max-width: 59ch;
  color: #efe8dc;
  font-size: clamp(1.08rem, 1.6vw, 1.26rem);
  line-height: 1.75;
  text-shadow: 0 8px 32px rgba(0,0,0,0.8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-actions.compact { margin-top: 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 21px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 900;
  line-height: 1.2;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--red-bright), var(--red));
  box-shadow: 0 14px 34px rgba(143, 18, 23, 0.38);
}

.btn-primary:hover { box-shadow: 0 18px 42px rgba(143, 18, 23, 0.52); }

.btn-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.16);
  border-color: rgba(255,255,255,0.34);
}

.btn-ghost {
  color: var(--gold);
  background: transparent;
  border-color: rgba(212, 168, 74, 0.45);
}

.btn-ghost:hover {
  border-color: var(--gold);
  background: rgba(212, 168, 74, 0.08);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 0;
}

.hero-facts div {
  min-width: 124px;
  padding: 13px 16px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 16px;
  background: rgba(5,7,12,0.42);
  box-shadow: 0 10px 40px rgba(0,0,0,0.28);
}

.hero-facts dt {
  margin: 0 0 2px;
  color: var(--dim);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  color: var(--white);
  font-weight: 850;
}

.quote-ribbon {
  padding: clamp(30px, 5vw, 54px) 0;
  border-block: 1px solid rgba(255,255,255,0.1);
  background:
    linear-gradient(90deg, rgba(143,18,23,0.28), rgba(212,168,74,0.09), rgba(143,18,23,0.18)),
    rgba(12,16,25,0.9);
}

.quote-ribbon blockquote {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.55rem, 3vw, 3.05rem);
  line-height: 1.16;
  letter-spacing: -0.025em;
  text-align: center;
}

.quote-ribbon p { margin: 0; }

.section {
  padding: clamp(76px, 10vw, 140px) 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(38px, 6vw, 86px);
  align-items: center;
}

.split-book {
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
}

.book-cover-card,
.author-image {
  position: relative;
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 0%, rgba(212,168,74,0.12), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.025));
  box-shadow: var(--shadow);
}

.book-cover-card::before,
.author-image::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(212,168,74,0.36), transparent 40%, rgba(194,43,48,0.28));
  z-index: -1;
}

.book-cover-card img {
  width: min(380px, 82%);
  margin: 0 auto;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.65));
}

.section-copy p,
.section-heading p {
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 74ch;
}

.section-copy p { margin: 20px 0 0; }

.subtitle {
  color: var(--gold) !important;
  font-weight: 800;
  font-size: clamp(1rem, 1.6vw, 1.22rem) !important;
}

.mini-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.mini-grid span {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,0.06);
  font-size: 0.9rem;
  font-weight: 800;
}

.dark-card-section {
  background:
    radial-gradient(circle at 18% 12%, rgba(143,18,23,0.28), transparent 24rem),
    linear-gradient(180deg, rgba(255,255,255,0.03), transparent 42%);
}

.section-heading {
  max-width: 880px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.section-heading.narrow {
  max-width: 650px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card,
.quote-card,
.part-card,
.buy-card {
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(0,0,0,0.28);
  overflow: hidden;
}

.feature-card img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.95;
}

.feature-card div {
  padding: 22px;
}

.feature-card p,
.part-card p,
.buy-card p {
  color: var(--muted);
}

.feature-card p { margin: 12px 0 0; }

.quote-section {
  position: relative;
  overflow: hidden;
}

.quote-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('../img/card-framing.webp');
  background-size: 480px;
  background-position: right 2rem top 4rem;
  background-repeat: no-repeat;
  opacity: 0.07;
  pointer-events: none;
}

.quotes-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.quote-card {
  padding: clamp(22px, 3vw, 34px);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025)),
    var(--panel-solid);
}

.quote-card p {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.18rem, 1.7vw, 1.58rem);
  line-height: 1.32;
}

.parts-section {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)),
    var(--bg-2);
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.part-card {
  padding: clamp(24px, 3vw, 36px);
  min-height: 250px;
  background:
    radial-gradient(circle at 0 0, rgba(194,43,48,0.2), transparent 45%),
    var(--panel-solid);
}

.part-number {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  border: 1px solid rgba(212,168,74,0.45);
  border-radius: 50%;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.3rem;
  font-weight: 900;
}

.buy-section {
  background:
    radial-gradient(circle at 76% 18%, rgba(212,168,74,0.1), transparent 30rem),
    radial-gradient(circle at 22% 78%, rgba(143,18,23,0.22), transparent 26rem);
}

.buy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.buy-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.buy-card.highlight {
  background:
    linear-gradient(180deg, rgba(212,168,74,0.12), rgba(255,255,255,0.035)),
    var(--panel-solid);
}

.buy-card img {
  width: 100%;
  height: 210px;
  object-fit: contain;
  margin-bottom: 18px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.035);
}

.buy-card h3 { margin-bottom: 4px; }

.buy-card p { margin: 10px 0 0; }

.buy-card .btn {
  width: 100%;
  margin-top: auto;
}

.price {
  color: var(--gold) !important;
  font-weight: 950;
  letter-spacing: 0.02em;
}

.button-row {
  display: grid;
  gap: 10px;
  margin-top: auto;
}

.button-row .btn { margin-top: 0; }

.author-section {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.03));
}

.author-image img {
  border-radius: calc(var(--radius) - 6px);
  aspect-ratio: 1;
  object-fit: cover;
}

.final-cta {
  padding: clamp(82px, 12vw, 150px) 0;
  background:
    linear-gradient(90deg, rgba(5,7,12,0.92), rgba(5,7,12,0.74)),
    url('../img/card-kein-mainstream.webp') center / cover no-repeat;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.final-inner {
  width: min(820px, calc(100% - 40px));
  text-align: center;
}

.final-inner p {
  margin: 20px auto 0;
  color: var(--muted);
  max-width: 62ch;
}

.final-inner .btn { margin-top: 30px; }

.site-footer {
  padding: 54px 0 24px;
  background: #05070c;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 30px;
}

.site-footer h2,
.site-footer h3 {
  margin: 0 0 10px;
  font-family: inherit;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer p,
.site-footer li {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-bottom {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.09);
}

.footer-bottom p {
  margin: 0;
  color: var(--dim);
  font-size: 0.84rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  :root { --header-h: 70px; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 20px;
    left: 20px;
    display: grid;
    gap: 2px;
    padding: 12px;
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 18px;
    background: rgba(8, 10, 17, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 13px 14px;
    border-radius: 12px;
  }

  .site-nav a:hover { background: rgba(255,255,255,0.07); }
  .site-nav a::after { display: none; }

  .split,
  .split-book,
  .feature-grid,
  .quotes-grid,
  .parts-grid,
  .buy-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-card { display: grid; grid-template-columns: 0.92fr 1fr; }
  .feature-card img { height: 100%; min-height: 220px; }

  .book-cover-card img { width: min(330px, 74%); }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--max)); }

  .brand-main { font-size: 1.22rem; }
  .brand-sub { font-size: 0.57rem; letter-spacing: 0.16em; }
  .nav-toggle span { display: none; }
  .nav-toggle { padding: 11px; }

  .hero {
    min-height: 760px;
    align-items: end;
  }

  .hero-bg img {
    object-position: 66% center;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(5,7,12,0.1) 0%, rgba(5,7,12,0.55) 28%, rgba(5,7,12,0.95) 69%, rgba(5,7,12,1) 100%),
      linear-gradient(90deg, rgba(5,7,12,0.7), rgba(5,7,12,0.1));
  }

  .hero-inner { padding: 280px 0 42px; }

  .hero-copy {
    padding: 22px;
    border: 1px solid rgba(255,255,255,0.13);
    border-radius: 22px;
    background: rgba(6,8,14,0.74);
    backdrop-filter: blur(8px);
  }

  h1 { font-size: clamp(2.55rem, 16vw, 4rem); max-width: 10ch; }
  h2 { font-size: clamp(2rem, 11vw, 3rem); }

  .hero-lead { font-size: 1rem; line-height: 1.62; }

  .hero-actions,
  .hero-facts { display: grid; }
  .hero-actions .btn { width: 100%; }

  .hero-facts div { min-width: auto; }

  .quote-ribbon blockquote { text-align: left; }

  .section { padding: 70px 0; }

  .feature-card { grid-template-columns: 1fr; }
  .feature-card img { min-height: auto; }

  .buy-card img { height: 190px; }

  .final-inner { width: min(100% - 28px, 820px); text-align: left; }
}

@media (max-width: 390px) {
  .container { width: min(100% - 22px, var(--max)); }
  .hero { min-height: 740px; }
  .hero-inner { padding-top: 255px; }
  .hero-copy { padding: 18px; }
  .eyebrow, .kicker { letter-spacing: 0.16em; }
  .btn { min-height: 46px; padding-inline: 16px; }
  .book-cover-card, .author-image { padding: 18px; }
}