/* ============================================================
   Airmate — One-Pager
   Designsystem aus CLAUDE.md (verbindlich)
   ============================================================ */

:root {
  --color-sand:  #AF947B;
  --color-cream: #E2D7CB;
  --color-stone: #898A8E;
  --color-sky:   #7795BF;
  --color-clay:  #A59283;
  --color-ink:   #060608;
  --color-paper: #FFFFFF;

  --font-serif: 'Cormorant Garamond', 'Tiempos', Georgia, serif;
  --font-sans:  'Helvetica Neue', Helvetica, Inter, Arial, sans-serif;

  --pad-y: clamp(80px, 12vh, 160px);
  --pad-x: clamp(24px, 5vw, 80px);
  --max-w: 1280px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  background: var(--color-ink);
  font-family: var(--font-sans);
  color: var(--color-ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ============================================================
   BRAND MARK (fixed top-left, alle Sektionen)
   Logo-Höhe = Versalhöhe vom „A" des Wortmarks.
   ============================================================ */
.brand {
  position: fixed;
  top: clamp(20px, 3vh, 32px);
  left: clamp(20px, 3vw, 36px);
  z-index: 110;
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  text-decoration: none;
  color: #fff;
  font-family: var(--font-serif);
  font-size: clamp(20px, 1.7vw, 26px);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  transition: opacity 0.25s, color 0.4s;
}
/* Logo: schwarze Bildmarke auf transparent. Auf dunklen Sektionen
   per filter:invert weiss gefärbt; Höhe = Cap-Height vom „A". */
.brand__mark {
  height: 0.78em;
  width: auto;
  display: inline-block;
  align-self: baseline;
  transform: translateY(0.04em); /* optische Baseline-Korrektur */
  filter: invert(1);
  transition: filter 0.4s;
}
.brand__word { display: inline-block; }
.brand:hover { opacity: 0.82; }

/* Auf hellen Sektionen Logo + Wortmark dunkel zeichnen */
body.brand-dark .brand { color: var(--color-ink); }
body.brand-dark .brand__mark { filter: none; }

/* ============================================================
   HERO (Sektionen 00 + 01) — aus hero-scroll-prototype-v4.html
   ============================================================ */

#track  { height: 600vh; position: relative; background: var(--color-ink); }
#stage  { position: sticky; top: 0; width: 100%; height: 100vh; overflow: hidden; }

.scene { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; }
.scene img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
#s1 { opacity: 1; }

.overlay   { position: absolute; inset: 0; pointer-events: none; }
.vignette  { background: radial-gradient(ellipse at center, transparent 35%, rgba(0,0,0,0.60) 100%); }
.grad-top  { background: linear-gradient(to bottom, rgba(4,5,8,0.75) 0%, rgba(4,5,8,0.05) 40%, transparent 65%); }
.grad-btm  { background: linear-gradient(to top,   rgba(4,5,8,0.85) 0%, rgba(4,5,8,0.15) 40%, transparent 65%); }
.grad-full { background: linear-gradient(to top,   rgba(4,5,8,0.65) 0%, rgba(4,5,8,0.30) 50%, rgba(4,5,8,0.08) 100%); }

.caption {
  position: absolute; opacity: 0; pointer-events: none;
  width: 100%; padding: 0 56px; color: #fff;
}
#cap1, #cap2, #cap3, #cap4 { top: 50%; left: 50%; transform: translate(-50%, -50%); max-width: 720px; text-align: center; }

.cap-label, .cta-label, .eyebrow {
  font-family: var(--font-sans);
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
}
.cap-head {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4.8vw, 62px);
  font-weight: 400; line-height: 1.14; color: #fff;
  margin-bottom: 20px; letter-spacing: -0.01em;
}
.cap-body {
  font-family: var(--font-sans);
  font-size: 17px; line-height: 1.65;
  color: rgba(255,255,255,0.74); font-weight: 300;
}
#cap1 .cap-body,
#cap2 .cap-body,
#cap3 .cap-body,
#cap4 .cap-body { max-width: 480px; margin: 0 auto; }

#cta-block {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center; width: 100%; max-width: 660px;
  opacity: 0; pointer-events: none; padding: 0 40px;
}
#cta-block.active { pointer-events: all; }
.cta-label { color: rgba(255,255,255,0.45); margin-bottom: 18px; }
.cta-head {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5.2vw, 66px);
  font-weight: 400; line-height: 1.1; color: #fff;
  margin-bottom: 22px; letter-spacing: -0.015em;
}
.cta-sub {
  font-family: var(--font-sans);
  font-size: 17px; line-height: 1.65;
  color: rgba(255,255,255,0.72); max-width: 460px;
  margin: 0 auto 42px; font-weight: 300;
}
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn-p {
  padding: 16px 44px; background: #fff; color: var(--color-ink); border: none;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  cursor: pointer; font-weight: 500; transition: opacity 0.2s, transform 0.2s;
}
.btn-p:hover { opacity: 0.86; transform: translateY(-1px); }
.btn-g {
  padding: 15px 32px; background: transparent;
  color: rgba(255,255,255,0.72);
  border: 1px solid rgba(255,255,255,0.28);
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  cursor: pointer; font-weight: 400; transition: border-color 0.2s, color 0.2s;
}
.btn-g:hover { border-color: rgba(255,255,255,0.6); color: #fff; }

#progress-bar {
  position: fixed; top: 0; left: 0; height: 2px;
  background: rgba(255,255,255,0.55); width: 0%; z-index: 100;
  transition: background-color 0.4s;
}
body.light-progress #progress-bar { background: rgba(6,6,8,0.4); }

#scroll-hint {
  position: fixed; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  z-index: 100; transition: opacity 0.6s; pointer-events: none;
}
#scroll-hint span {
  font-family: var(--font-sans);
  font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.34);
}
.scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:.25} 50%{opacity:.85} }

/* ============================================================
   GLOBAL: Sektionen 02–09
   ============================================================ */

.section {
  position: relative;
  min-height: 100vh;
  padding: var(--pad-y) var(--pad-x);
  background: var(--color-cream);
  color: var(--color-ink);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.section--paper { background: var(--color-paper); }
.section--ink   { background: var(--color-ink); color: #fff; }
.section__inner { width: 100%; max-width: var(--max-w); margin: 0 auto; }

.eyebrow { color: rgba(6,6,8,0.5); margin-bottom: 18px; }
.section--ink .eyebrow { color: rgba(255,255,255,0.45); }

.h-display {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4.8vw, 62px);
  font-weight: 400; line-height: 1.14;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
  max-width: 22ch;
}
.h-display em { font-style: italic; color: var(--color-sand); }
.lede {
  font-size: 17px; line-height: 1.65; font-weight: 300;
  color: rgba(6,6,8,0.72);
  max-width: 56ch;
}
.section--ink .lede { color: rgba(255,255,255,0.74); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1.1s cubic-bezier(.2,.6,.2,1), transform 1.1s cubic-bezier(.2,.6,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }

/* ============================================================
   02 — Problem (Zahlen-Tiles)
   ============================================================ */
.s02__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-top: 64px;
}
.fact {
  position: relative;
  padding: 48px 36px 40px;
  border-top: 1px solid rgba(6,6,8,0.18);
}
.fact__num {
  font-family: var(--font-serif);
  font-size: clamp(56px, 7vw, 96px);
  font-weight: 400; line-height: 1;
  color: var(--color-sand);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.fact__unit {
  font-family: var(--font-sans);
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  color: rgba(6,6,8,0.55);
  margin-bottom: 14px;
}
.fact__text {
  font-size: 16px; line-height: 1.6;
  color: rgba(6,6,8,0.75); font-weight: 300;
  max-width: 32ch;
}

/* ============================================================
   03 — Lösung (Video-Galerie + Swiss-Badge)
   ============================================================ */
.s03__head {
  display: flex; flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start; justify-content: space-between;
  margin-bottom: 8px;
}
.swiss-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: var(--color-cream);
  border: 1px solid rgba(6,6,8,0.08);
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(6,6,8,0.72);
  white-space: nowrap;
}
.swiss-badge strong { color: var(--color-ink); font-weight: 500; }
.swiss-flag {
  width: 18px; height: 18px;
  border-radius: 2px; flex: none;
  box-shadow: 0 0 0 1px rgba(6,6,8,0.06);
}

.s03__player {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 56px;
}
.s03__stage {
  position: relative;
  background: var(--color-ink);
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.s03__stage video {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  background: var(--color-ink);
}
.s03__playbtn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(6,6,8,0.18);
  border: none; cursor: pointer;
  transition: background 0.3s, opacity 0.3s;
  padding: 0;
}
.s03__playbtn svg { width: 76px; height: 76px; transition: transform 0.3s; }
.s03__playbtn:hover svg { transform: scale(1.05); }
.s03__stage.is-playing .s03__playbtn { opacity: 0; pointer-events: none; }

.s03__videoCol { display: flex; flex-direction: column; gap: 22px; }
.s03__caption { padding-top: 4px; }
.s03__caption-label {
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: 10px;
}
.s03__caption-text {
  font-family: var(--font-serif);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.4;
  max-width: 52ch;
  font-weight: 400;
  color: rgba(6,6,8,0.78);
}

.s03__chapters {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid rgba(6,6,8,0.12);
}
.chapter {
  text-align: left;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(6,6,8,0.12);
  padding: 22px 4px;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 18px;
  row-gap: 2px;
  font-family: var(--font-sans);
  color: rgba(6,6,8,0.66);
  transition: color 0.25s, padding-left 0.3s;
  position: relative;
}
.chapter::before {
  content: ""; position: absolute;
  left: 0; top: 50%; transform: translateY(-50%);
  width: 0; height: 1px;
  background: var(--color-sand);
  transition: width 0.4s cubic-bezier(.2,.6,.2,1);
}
.chapter:hover { color: var(--color-ink); }
.chapter.is-active { color: var(--color-ink); padding-left: 28px; }
.chapter.is-active::before { width: 18px; }
.chapter__num {
  font-family: var(--font-serif);
  font-size: 13px; letter-spacing: 0.18em;
  color: var(--color-sand);
  grid-row: 1 / span 2;
  align-self: center;
}
.chapter__title {
  font-family: var(--font-serif);
  font-size: 22px; line-height: 1.2;
  color: var(--color-ink);
  font-weight: 400;
}
.chapter__sub {
  font-size: 13px; line-height: 1.5;
  color: rgba(6,6,8,0.55); font-weight: 300;
}

/* ============================================================
   04 — Drei Funktionen (interaktiv, BG morpht pro Modus)
   ============================================================ */
.s04 {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: var(--color-ink);
  transition: color 0.8s cubic-bezier(.2,.6,.2,1);
}
.s04__bg {
  position: absolute; inset: 0; z-index: -1;
  pointer-events: none;
}
.s04__bg-layer {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 0.9s cubic-bezier(.2,.6,.2,1);
}
.s04__bg-layer[data-mode="hygiene"] {
  background:
    radial-gradient(ellipse at 80% 20%, rgba(119,149,191,0.22), transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(226,215,203,0.6), transparent 60%),
    linear-gradient(160deg, #f1ece5 0%, #e6ddd1 100%);
}
.s04__bg-layer[data-mode="waerme"] {
  background:
    radial-gradient(ellipse at 75% 30%, rgba(175,148,123,0.45), transparent 55%),
    radial-gradient(ellipse at 15% 90%, rgba(108,86,68,0.32), transparent 60%),
    linear-gradient(160deg, #2b211b 0%, #3a2a20 50%, #1a130f 100%);
}
.s04__bg-layer[data-mode="duft"] {
  background:
    radial-gradient(ellipse at 70% 25%, rgba(165,146,131,0.4), transparent 55%),
    radial-gradient(ellipse at 20% 95%, rgba(137,138,142,0.32), transparent 60%),
    linear-gradient(160deg, #d8d2c5 0%, #b9b3a3 100%);
}
.s04[data-mode="hygiene"] .s04__bg-layer[data-mode="hygiene"] { opacity: 1; }
.s04[data-mode="waerme"]  .s04__bg-layer[data-mode="waerme"]  { opacity: 1; }
.s04[data-mode="duft"]    .s04__bg-layer[data-mode="duft"]    { opacity: 1; }

.s04[data-mode="waerme"] { color: #fff; }
.s04[data-mode="waerme"] .eyebrow { color: rgba(255,255,255,0.6); }
.s04[data-mode="waerme"] .s04__panel-body { color: rgba(255,255,255,0.78); }
.s04[data-mode="waerme"] .s04__metrics dt { color: rgba(255,255,255,0.55); }
.s04[data-mode="waerme"] .s04__metrics dd { color: #fff; }
.s04[data-mode="waerme"] .s04__metrics > div { border-color: rgba(255,255,255,0.16); }
.s04[data-mode="waerme"] .s04__switch { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.16); }
.s04[data-mode="waerme"] .s04__tab { color: rgba(255,255,255,0.55); }
.s04[data-mode="waerme"] .s04__tab.is-active { color: #fff; }
.s04[data-mode="waerme"] .s04__indicator { background: rgba(255,255,255,0.12); }

.s04__inner { position: relative; z-index: 1; }

/* Tab-Switch */
.s04__switch {
  position: relative;
  display: inline-flex;
  margin: 36px 0 56px;
  padding: 6px;
  background: rgba(6,6,8,0.05);
  border: 1px solid rgba(6,6,8,0.08);
  border-radius: 999px;
  transition: background 0.6s, border-color 0.6s;
}
.s04__tab {
  position: relative; z-index: 1;
  display: inline-flex; align-items: baseline; gap: 8px;
  padding: 12px 22px;
  background: transparent; border: none; cursor: pointer;
  font-family: var(--font-sans);
  color: rgba(6,6,8,0.5);
  transition: color 0.4s;
}
.s04__tab-num {
  font-family: var(--font-serif);
  font-size: 11px; letter-spacing: 0.18em;
  color: var(--color-sand);
}
.s04__tab-name {
  font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase;
  font-weight: 500;
}
.s04__tab.is-active { color: var(--color-ink); }
.s04__indicator {
  position: absolute; z-index: 0;
  top: 6px; bottom: 6px; left: 6px;
  width: 0; /* von JS gesetzt */
  background: var(--color-paper);
  border-radius: 999px;
  box-shadow: 0 1px 2px rgba(6,6,8,0.08);
  transition: transform 0.5s cubic-bezier(.2,.6,.2,1), width 0.5s cubic-bezier(.2,.6,.2,1), background 0.6s;
}

/* Stage */
.s04__stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
.s04__visual {
  position: relative;
  aspect-ratio: 4 / 5;
  background: rgba(6,6,8,0.04);
  overflow: hidden;
  border-radius: 4px;
}
.s04__photo {
  position: absolute; inset: 0;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 0.7s cubic-bezier(.2,.6,.2,1), transform 1.2s cubic-bezier(.2,.6,.2,1);
}
.s04__photo.is-active { opacity: 1; transform: scale(1); }
.s04__photo img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
}

/* Copy panels */
.s04__copy { position: relative; min-height: 320px; }
.s04__panel {
  position: absolute; inset: 0;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s cubic-bezier(.2,.6,.2,1), transform 0.55s cubic-bezier(.2,.6,.2,1);
  pointer-events: none;
}
.s04__panel.is-active {
  opacity: 1; transform: none; pointer-events: auto;
  transition-delay: 0.12s;
}
.s04__panel-label {
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: 18px;
}
.s04__panel-head {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.18;
  margin-bottom: 22px;
  max-width: 18ch;
  font-weight: 400;
  letter-spacing: -0.005em;
}
.s04__panel-body {
  font-size: 17px; line-height: 1.65;
  color: rgba(6,6,8,0.72); font-weight: 300;
  max-width: 44ch;
  margin-bottom: 32px;
  transition: color 0.6s;
}

.s04__metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
}
.s04__metrics > div {
  display: grid;
  grid-template-columns: 11em 1fr;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid rgba(6,6,8,0.12);
  transition: border-color 0.6s;
}
.s04__metrics > div:last-child { border-bottom: 1px solid rgba(6,6,8,0.12); }
.s04__metrics dt {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(6,6,8,0.5);
  align-self: center;
  transition: color 0.6s;
}
.s04__metrics dd {
  font-family: var(--font-serif);
  font-size: 18px; line-height: 1.3;
  color: var(--color-ink);
  margin: 0;
  transition: color 0.6s;
}

/* ============================================================
   05 — Ritual
   ============================================================ */
.s05 {
  background:
    linear-gradient(180deg, rgba(6,6,8,0.6) 0%, rgba(6,6,8,0.45) 50%, rgba(6,6,8,0.7) 100%),
    linear-gradient(135deg, var(--color-clay) 0%, var(--color-sand) 60%, #6c5644 100%);
  color: #fff;
}
.s05__copy {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 400; line-height: 1.35;
  max-width: 28ch;
  letter-spacing: -0.005em;
}
.s05__copy span { display: block; }
.s05__copy span + span { margin-top: 0.4em; }

/* ============================================================
   06 — Swiss Engineered
   ============================================================ */
.s06__layout { display: grid; grid-template-columns: 1fr; gap: 56px; margin-top: 56px; align-items: start; }
.s06__visual {
  aspect-ratio: 4 / 3;
  background: var(--color-cream);
  position: relative;
  overflow: hidden;
}
.s06__visual img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
}
.s06__list { list-style: none; display: grid; gap: 18px; margin-top: 8px; }
.s06__list li {
  display: flex; gap: 14px; align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(6,6,8,0.12);
  font-size: 15px;
}
.s06__list li:last-child { border-bottom: none; }
.s06__list strong {
  font-weight: 500; color: var(--color-ink);
  min-width: 7em;
}
.s06__list span { color: rgba(6,6,8,0.66); font-weight: 300; }

/* ============================================================
   07 — Stimmen
   ============================================================ */
.s07__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 56px;
}
.quote {
  padding: 36px 32px 32px;
  background: var(--color-cream);
  position: relative;
}
.quote::before {
  content: "\201C";
  position: absolute; top: 8px; left: 22px;
  font-family: var(--font-serif);
  font-size: 72px; line-height: 1;
  color: var(--color-sand);
  opacity: 0.6;
}
.quote__text {
  font-family: var(--font-serif);
  font-size: 21px; line-height: 1.45;
  margin-top: 18px; margin-bottom: 22px;
}
.quote__who {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(6,6,8,0.55);
}

/* ============================================================
   08 — Waitlist
   ============================================================ */
.s08 {
  background:
    linear-gradient(180deg, rgba(6,6,8,0.78) 0%, rgba(6,6,8,0.6) 100%),
    linear-gradient(135deg, #1a1c22 0%, #2c2a2a 60%, var(--color-sand) 130%);
  color: #fff;
  text-align: center;
}
.s08__inner { max-width: 640px; margin: 0 auto; }
.s08 .h-display { margin-left: auto; margin-right: auto; max-width: 18ch; }
.s08 .lede { margin: 0 auto 40px; max-width: 44ch; }
.waitlist {
  display: flex; gap: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  padding: 6px;
  max-width: 520px; margin: 0 auto;
}
.waitlist input {
  flex: 1; min-width: 0;
  background: transparent; border: none; outline: none;
  color: #fff; padding: 14px 16px;
  font-family: var(--font-sans); font-size: 15px;
}
.waitlist input::placeholder { color: rgba(255,255,255,0.45); }
.waitlist button {
  padding: 14px 26px;
  background: #fff; color: var(--color-ink); border: none;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  font-weight: 500; cursor: pointer;
  transition: opacity 0.2s;
}
.waitlist button:hover { opacity: 0.85; }
.waitlist__success {
  margin-top: 22px;
  font-size: 14px;
  color: var(--color-sand);
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity .5s;
}
.waitlist__success.show { opacity: 1; }
.counter {
  margin-top: 28px;
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.counter strong { color: #fff; font-weight: 500; }

/* ============================================================
   09 — Footer
   ============================================================ */
.footer {
  background: var(--color-ink); color: rgba(255,255,255,0.6);
  padding: 64px var(--pad-x) 36px;
  font-size: 13px;
}
.footer__inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 1fr; gap: 32px;
  align-items: end;
}
.footer__logo {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-family: var(--font-serif);
  font-size: 22px; letter-spacing: 0.04em;
  color: #fff;
}
.footer__logo img {
  height: 0.78em;
  width: auto;
  align-self: baseline;
  transform: translateY(0.04em);
  filter: invert(1);
}

/* ®-Mark — überall klein, hochgestellt */
.reg {
  font-size: 0.46em;
  vertical-align: super;
  letter-spacing: 0;
  margin-left: 0.05em;
  font-weight: 400;
  font-family: var(--font-sans);
  opacity: 0.78;
}
.footer__nav { display: flex; flex-wrap: wrap; gap: 18px 26px; }
.footer__nav a:hover { color: #fff; }
.footer__legal {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; flex-wrap: wrap; gap: 18px;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}
.footer__legal span { margin-left: auto; }

/* ============================================================
   Responsive
   ============================================================ */
@media (min-width: 768px) {
  .caption { padding: 0 80px; }
  .s02__grid { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .s03__player { grid-template-columns: 7fr 5fr; gap: 56px; align-items: start; }
  .s03__chapters { border-top: none; align-self: center; }
  .s04__stage { grid-template-columns: 5fr 6fr; gap: 80px; }
  .s06__layout { grid-template-columns: 5fr 6fr; gap: 80px; }
  .s07__grid  { grid-template-columns: repeat(3, 1fr); }
  .footer__inner { grid-template-columns: 1fr auto; }
}

@media (min-width: 1200px) {
  .s02__grid { gap: 56px; }
  .s06__layout { gap: 120px; }
}