/* ============================================================
   CASTA — Startseite
   Eigenständiges Stylesheet. Berührt styles.css nicht, damit
   Impressum und Datenschutz unverändert bleiben.
   ============================================================ */

@font-face {
  font-family: 'Bebas Neue';
  src: url('assets/fonts/bebas-neue.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('assets/fonts/inter-variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: 'DM Mono';
  src: url('assets/fonts/dm-mono-regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'DM Mono';
  src: url('assets/fonts/dm-mono-medium.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}

:root {
  --bg:      #080808;
  --gold:    #F5C518;
  --text:    #F2F2F0;
  --muted:   #9A9A97;
  --line:    rgba(245, 197, 24, 0.16);
  --hairline: rgba(255, 255, 255, 0.07);

  --display: 'Bebas Neue', 'Oswald', 'Haettenschweiler', Impact, sans-serif;
  --body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono:    'DM Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Höhenlinien-Textur, wie im App-Hintergrund */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url('assets/topo-lines.png') center / 1000px repeat;
  opacity: 0.85;
  pointer-events: none;
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

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

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.ch-wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   Kopfzeile
   ============================================================ */

.ch-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 22px 0;
}

.ch-header .ch-wrap {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.ch-lang {
  display: flex;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.5px;
}

.ch-lang a {
  color: rgba(154, 154, 151, 0.7);
  text-decoration: none;
  transition: color 0.2s ease;
}

.ch-lang a:hover,
.ch-lang a[aria-current="true"] { color: var(--gold); }

/* ============================================================
   Hero — ohne Bannerbild, das Logo trägt allein
   ============================================================ */

.ch-hero {
  text-align: center;
  padding: clamp(120px, 17vh, 190px) 0 clamp(45px, 6.5vh, 70px);
}

.ch-hero-logo {
  width: clamp(190px, 27vw, 300px);
  margin: 0 auto clamp(38px, 6vw, 62px);
}

.ch-hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(42px, 8vw, 88px);
  line-height: 0.94;
  letter-spacing: 1px;
  margin: 0 0 24px;
}

.ch-hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.ch-lead {
  max-width: 560px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 18px;
}

.ch-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 40px;
  padding: 15px 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.ch-badge strong {
  font-family: var(--display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 1.6px;
  color: var(--gold);
}

.ch-badge span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.3px;
  color: var(--muted);
}

/* ============================================================
   Zwei Produkte im Vergleich
   ============================================================ */

.ch-choice {
  padding: clamp(20px, 3vw, 34px) 0 clamp(46px, 6vw, 76px);
}

.ch-choice-intro {
  text-align: center;
  max-width: 560px;
  margin: 0 auto clamp(34px, 4.5vw, 52px);
}

.ch-choice-intro h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.02;
  letter-spacing: 0.6px;
  margin: 0 0 12px;
}

.ch-choice-intro p {
  color: var(--muted);
  font-size: 17px;
  margin: 0;
}

.ch-choice-intro h2:last-child { margin-bottom: 0; }

.ch-choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: stretch;
}

/* Produktbild ueber der jeweiligen Karte */
.ch-choice-item {
  display: flex;
  flex-direction: column;
}

.ch-choice-shot {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: clamp(120px, 15vw, 180px);
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.ch-choice-shot img {
  max-height: 100%;
  width: auto;
  filter: drop-shadow(0 16px 30px rgba(0, 0, 0, 0.6));
}

.ch-choice-item .ch-card { flex: 1; }

.ch-card {
  padding: clamp(26px, 3.2vw, 38px);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.014);
}

.ch-card--pro {
  border-color: var(--line);
  background: rgba(245, 197, 24, 0.035);
}

.ch-card-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 14px;
}

.ch-card h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(24px, 2.8vw, 32px);
  line-height: 1.05;
  letter-spacing: 0.5px;
  margin: 0 0 12px;
}

.ch-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

.ch-card p + p { margin-top: 12px; }

.ch-card em {
  font-style: normal;
  color: var(--text);
}

/* ============================================================
   Die vier Screens
   ============================================================ */

.ch-section {
  padding: clamp(36px, 4.5vw, 58px) 0 clamp(52px, 6vw, 74px);
  border-top: 1px solid var(--hairline);
}

.ch-section .ch-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.ch-section--flip .ch-media { order: -1; }

.ch-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 12px;
}

.ch-eyebrow-sub {
  display: block;
  margin-top: 5px;
  letter-spacing: 1.4px;
  color: rgba(154, 154, 151, 0.85);
}

.ch-section h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.0;
  letter-spacing: 0.6px;
  margin: 0 0 18px;
}

.ch-section p {
  color: var(--muted);
  font-size: 18px;
  margin: 0;
  max-width: 30em;
}

/* Freigestelltes Produktbild */
.ch-media { margin: 0; }

.ch-media img {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  filter: drop-shadow(0 30px 55px rgba(0, 0, 0, 0.6));
}

/* ============================================================
   Detailband unter einem Produkt
   ============================================================ */

.ch-detail {
  padding: 0 0 clamp(76px, 9vw, 118px);
  text-align: center;
}

.ch-detail-head {
  max-width: 680px;
  margin: 0 auto clamp(34px, 4.5vw, 54px);
}

.ch-detail h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.05;
  letter-spacing: 0.6px;
  margin: 0 0 14px;
}

.ch-detail p {
  color: var(--muted);
  font-size: 17px;
  margin: 0;
}

.ch-detail-head p + p { margin-top: 14px; }

.ch-detail img {
  width: 100%;
  margin: 0 auto;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.55));
}

.ch-detail--iphone img { max-width: 720px; }
.ch-detail--watch  img { max-width: 460px; }

/* ============================================================
   Abschluss
   ============================================================ */

.ch-cta {
  padding: clamp(80px, 10vw, 120px) 0;
  text-align: center;
  border-top: 1px solid var(--hairline);
}

.ch-cta h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1;
  margin: 0;
}

.ch-claim {
  margin-top: 44px;
  font-family: var(--display);
  font-size: clamp(26px, 5.6vw, 54px);
  letter-spacing: clamp(2px, 1.2vw, 12px);
  color: rgba(245, 197, 24, 0.2);
  line-height: 1;
}

/* ============================================================
   Fusszeile
   ============================================================ */

.ch-footer {
  padding: 42px 0 56px;
  border-top: 1px solid var(--hairline);
  text-align: center;
}

.ch-footer-logo {
  width: 96px;
  margin: 0 auto 20px;
  opacity: 0.55;
}

.ch-footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 22px;
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.2px;
}

.ch-footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.ch-footer-links a:hover { color: var(--gold); }

.ch-copy {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.8px;
  color: rgba(154, 154, 151, 0.55);
  margin: 0;
}

/* ============================================================
   Mobil
   ============================================================ */

@media (max-width: 860px) {
  body { font-size: 16px; }

  .ch-section .ch-wrap {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .ch-choice-grid { grid-template-columns: 1fr; }

  /* Screenshot steht auf schmalen Displays immer über dem Text */
  .ch-section .ch-media { order: -1; }

  .ch-section p { font-size: 17px; }

}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}