/* ───── bridge: map local names onto audics DS tokens ───── */
:root {
  /* surfaces — one continuous near-black canvas, cohesive with the hero */
  --paper: #0a0a0b;
  --paper-warm: #0f0f12;
  --card: rgba(255, 255, 255, 0.028);
  --card-hover: rgba(255, 255, 255, 0.06);

  /* text */
  --ink: #f5f4ef;
  --ink-2: rgba(245, 244, 239, 0.72);
  --muted: rgba(245, 244, 239, 0.5);
  --muted-2: rgba(245, 244, 239, 0.32);

  /* lines & frames */
  --line: rgba(255, 255, 255, 0.1);
  --line-soft: rgba(255, 255, 255, 0.055);
  --frame: rgba(255, 255, 255, 0.18);

  /* accent */
  --accent: var(--color-accent-primary); /* #fae300 */
  --accent-hover: var(--color-accent-primary-hover); /* #e3cc00 */

  /* radius (DS unified = 8px / base = 4px) */
  --r: var(--rounded); /* 8px */
  --r-sm: var(--radius-base); /* 4px */

  /* type weights (DS vocabulary) */
  --fw-display: var(--font-weight-extrabold); /* 700 */
  --fw-bold: var(--font-weight-bold); /* 600 */
  --fw-semibold: var(--font-weight-semibold); /* 550 */
  --fw-medium: var(--font-weight-medium); /* 500 */

  --sans:
    var(--font-family-primary), ui-sans-serif, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max: 1200px;
  --gutter: clamp(20px, 4vw, 44px);
  --tt: -0.05em;
}

/* light theme overrides (toggle) */
:root[theme="light"] {
  --paper: #f4f1ea;
  --paper-warm: #efe9dd;
  --card: rgba(21, 20, 15, 0.022);
  --card-hover: rgba(21, 20, 15, 0.05);
  --ink: #15140f;
  --ink-2: rgba(21, 20, 15, 0.74);
  --muted: rgba(21, 20, 15, 0.55);
  --muted-2: rgba(21, 20, 15, 0.4);
  --line: rgba(21, 20, 15, 0.14);
  --line-soft: rgba(21, 20, 15, 0.075);
  --frame: #15140f;
}

/* full-page wave field + Spline orb source */
#field-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
  pointer-events: none;
}
#page-veil {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: var(--paper);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms linear;
}
main {
  position: relative;
  z-index: 2;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  background: var(--paper);
}
section[id],
[id] {
  scroll-margin-top: 90px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--accent);
  color: #15140f;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}
.btn:active,
.nav-cta:active,
.theme-toggle:active,
.uc-arrow:active,
.nav-burger:active {
  transform: translateY(1px);
}

.page {
  width: min(var(--max), calc(100% - 2 * var(--gutter)));
  margin: 0 auto;
}

/* ───────────── display type ───────────── */

h1,
h2,
h3 {
  margin: 0;
  font-weight: var(--fw-display);
  letter-spacing: var(--tt);
  line-height: 0.95;
}

h1 {
  font-size: clamp(56px, 9.6vw, 132px);
  letter-spacing: -0.06em;
  line-height: 0.9;
}

h2 {
  font-size: clamp(40px, 6vw, 92px);
  letter-spacing: -0.058em;
  line-height: 0.94;
  max-width: 15ch;
}

.section-label {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  box-shadow:
    0 0 0 4px rgba(250, 227, 0, 0.12),
    0 0 12px rgba(250, 227, 0, 0.5);
  border-radius: 50%;
  flex-shrink: 0;
}

.lede {
  font-size: clamp(26px, 3.4vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.05em;
  font-weight: 600;
  color: var(--ink);
}

.body {
  font-size: clamp(16px, 1.3vw, 18.5px);
  line-height: 1.5;
  letter-spacing: -0.011em;
  color: var(--muted);
  max-width: 46ch;
}

/* ───────────── topbar (overlays hero, goes solid on scroll) ───────────── */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background 240ms ease,
    border-color 240ms ease,
    backdrop-filter 240ms ease;
}
.topbar.solid {
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  box-shadow: 0 14px 34px -26px rgba(0, 0, 0, 0.55);
}

.nav {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 26px;
}
.brand img {
  height: 26px;
  width: auto;
  display: block;
  transition: opacity 240ms ease;
}
.brand .logo-on-light {
  position: absolute;
  inset: 0;
  opacity: 0;
}
:root[theme="light"] .brand .logo-on-dark {
  opacity: 0;
}
:root[theme="light"] .brand .logo-on-light {
  opacity: 1;
}

.nav-links {
  display: flex;
  gap: 4px;
  font-size: 13.5px;
  color: var(--muted);
  transition: color 240ms ease;
}
.nav-links a {
  position: relative;
  padding: 8px 12px;
  letter-spacing: -0.011em;
  transition: color 140ms ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  opacity: 0.5;
  transition: transform 220ms cubic-bezier(0.2, 0.7, 0.2, 1);
}
.nav-links a:hover {
  color: var(--ink);
}
.nav-links a:hover::after {
  transform: scaleX(1);
}
.nav-links a.active {
  color: var(--ink);
}
.nav-links a.active::after {
  transform: scaleX(1);
  background: var(--accent);
  opacity: 1;
}

.nav-right {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--frame);
  border-radius: var(--r);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition:
    background 160ms ease,
    color 160ms ease,
    border-color 160ms ease;
}
.theme-toggle:hover {
  background: var(--accent);
  color: var(--color-brand-black);
  border-color: var(--accent);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
}
.theme-toggle .i-sun {
  display: none;
}
.theme-toggle .i-moon {
  display: block;
}
:root[theme="light"] .theme-toggle .i-sun {
  display: block;
}
:root[theme="light"] .theme-toggle .i-moon {
  display: none;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--frame);
  border-radius: var(--r);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    color 160ms ease,
    border-color 160ms ease;
}
.lang-toggle:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--frame);
  border-radius: var(--r);
  padding: 11px 17px;
  font-size: 13.5px;
  font-weight: var(--fw-bold);
  letter-spacing: -0.011em;
  color: var(--ink);
  transition:
    background 160ms ease,
    color 160ms ease,
    border-color 240ms ease;
}
.nav-cta:hover {
  background: var(--accent);
  color: var(--color-brand-black);
  border-color: var(--accent);
}
.nav-login {
  position: relative;
  padding: 8px 12px;
  letter-spacing: -0.011em;
  color: var(--muted);
  transition: color 140ms ease;
}
.nav-login:hover {
  color: var(--ink);
}
.nav-cta .arrow {
  transition: transform 160ms ease;
}
.nav-cta:hover .arrow {
  transform: translateX(3px);
}

.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--frame);
  border-radius: var(--r);
  background: transparent;
  cursor: pointer;
  transition: transform 120ms ease;
}
.nav-burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 220ms ease;
}
.nav-burger[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}
.nav-burger[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}
.topbar.menu-open {
  background: var(--paper);
}
.mobile-menu {
  display: none;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 96%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 8px var(--gutter) 24px;
  max-height: calc(100vh - 74px);
  overflow-y: auto;
}
.mobile-menu.open {
  display: block;
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
}
.mobile-menu nav a {
  padding: 14px 2px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}
.mobile-menu .btn {
  margin-top: 20px;
  width: 100%;
  justify-content: center;
}
@media (max-width: 1080px) {
  .nav-burger {
    display: inline-flex;
  }
}
@media (min-width: 1081px) {
  .mobile-menu {
    display: none !important;
  }
}

/* ───────────── hero · full-bleed living field ───────────── */

.hero-full {
  position: relative;
  width: 100%;
  min-height: 100svh;
  background: transparent;
  overflow: hidden;
  display: flex;
  z-index: 2;
}
/* readability scrim — paper-tinted at left (text), clears to the right (field) */
.hero-full::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    100deg,
    color-mix(in srgb, var(--paper) 78%, transparent) 0%,
    color-mix(in srgb, var(--paper) 34%, transparent) 36%,
    transparent 62%
  );
  -webkit-mask-image: linear-gradient(
    180deg,
    #000 0%,
    #000 50%,
    transparent 86%
  );
  mask-image: linear-gradient(180deg, #000 0%, #000 50%, transparent 86%);
}
/* field-canvas is fixed + global (defined at top) */
.hero-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: center;
  padding: 120px 0 96px;
  pointer-events: none; /* let the field receive the cursor */
}
.hero-inner {
  width: min(var(--max), calc(100% - 2 * var(--gutter)));
  pointer-events: auto;
}
.hero-overlay a {
  pointer-events: auto;
} /* but keep buttons clickable */

.hero-eyebrow {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: clamp(26px, 4vh, 40px);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::after {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--line);
}

.hero-h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(60px, 11vw, 188px);
  letter-spacing: -0.055em;
  line-height: 0.9;
  font-weight: var(--fw-display);
  max-width: 13ch;
}
/* EN-Titel etwas kompakter, damit "Room acoustics," in eine Zeile bleibt */
html[lang="en"] .hero-h1 {
  font-size: clamp(52px, 9.2vw, 158px);
  max-width: 16ch;
}

.hero-subline {
  margin: clamp(26px, 4vh, 40px) 0 0;
  font-size: clamp(16px, 2.3vw, 30px);
  line-height: 1.04;
  letter-spacing: -0.05em;
  font-weight: 600;
  color: var(--ink-2);
  max-width: none;
  white-space: nowrap;
}
@media (max-width: 680px) {
  .hero-subline {
    white-space: normal;
    max-width: 24ch;
  }
}
.hero-subline .ink {
  color: var(--ink);
}
.hero-subline .tri-sep {
  color: var(--accent);
  margin: 0 0.38em;
  font-weight: 700;
}

/* ── Hero-Anordnung: A Kopf oben · B Triade oben · C Triade als Label ── */
body[data-heroarr] .hero-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
body[data-heroarr] .hero-sub2 {
  order: 3;
}
body[data-heroarr] .hero-actions {
  order: 4;
}
/* A — aktuell: Kopf zuerst, Triade darunter */
body[data-heroarr="A"] .hero-h1 {
  order: 1;
}
body[data-heroarr="A"] .hero-subline {
  order: 2;
}
/* B — Triade oben, Kopf groß darunter */
body[data-heroarr="B"] .hero-subline,
body[data-heroarr="C"] .hero-subline {
  order: 1;
  margin: 0 0 clamp(18px, 2.6vh, 30px);
}
body[data-heroarr="B"] .hero-h1,
body[data-heroarr="C"] .hero-h1 {
  order: 2;
}
/* C — Triade als gesperrtes Label */
body[data-heroarr="C"] .hero-subline {
  font-size: clamp(12px, 1.05vw, 15px);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink-2);
  margin-bottom: clamp(20px, 3vh, 34px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(34px, 5vh, 52px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: var(--fw-bold);
  letter-spacing: -0.011em;
  border: 1px solid var(--frame);
  border-radius: var(--r);
  cursor: pointer;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease,
    border-color 160ms ease;
}
.btn .arrow {
  transition: transform 160ms ease;
  font-size: 17px;
}
.btn:hover .arrow {
  transform: translateX(3px);
}
.btn-primary {
  background: var(--accent);
  color: var(--color-brand-black);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #fff;
  border-color: #fff;
}
.btn-ondark {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-ondark:hover {
  background: #fff;
  color: var(--color-brand-black);
  border-color: #fff;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--frame);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ───────────── grain · premium depth on dark surfaces ───────────── */
#grain {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.05;
  mix-blend-mode: overlay;
}
:root[theme="light"] #grain {
  opacity: 0.035;
  mix-blend-mode: multiply;
}

/* ───────────── hero entrance + baseline spec strip ───────────── */
@media (prefers-reduced-motion: no-preference) {
  body[data-hero-ready] .hero-h1 {
    animation: heroUp 1.05s cubic-bezier(0.16, 0.84, 0.3, 1) backwards;
  }
  body[data-hero-ready] .hero-subline {
    animation: heroUp 1.05s cubic-bezier(0.16, 0.84, 0.3, 1) 0.12s backwards;
  }
  body[data-hero-ready] .hero-actions {
    animation: heroUp 1.05s cubic-bezier(0.16, 0.84, 0.3, 1) 0.22s backwards;
  }
}
@keyframes heroUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes heroFade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ───────────── section scaffold ───────────── */

/* first light section sits right under the dark hero */
section.block {
  padding: clamp(80px, 11vh, 132px) 0;
  border-top: 1px solid var(--line);
}
section.block:first-of-type {
  border-top: none;
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(40px, 5.5vw, 80px);
  align-items: start;
}
.split .lead-col {
  display: none;
}
.section-label {
  display: none !important;
}
.split > div:nth-of-type(2) {
  grid-column: 1 / -1;
}
.anw-grid {
  grid-column: 1 / -1;
  margin-top: clamp(28px, 4vh, 52px);
}

.h2-wrap {
  max-width: 17ch;
}

/* ───────────── hairline grids ───────────── */

.grid {
  display: grid;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-top: clamp(36px, 5vh, 52px);
}
.grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}
/* Glass tiles stand free (no hairline grid) — scoped to grids of glass-surface tiles */
.grid:has(> .glass-surface) {
  border-top: none;
  border-left: none;
  gap: 12px;
}

/* big word cells (Mensch / Nutzung / Funktion) */
.word-cell {
  position: relative;
  overflow: hidden;
  min-height: clamp(300px, 38vh, 420px);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  font-size: clamp(34px, 3.9vw, 56px);
  line-height: 0.96;
  letter-spacing: -0.055em;
  font-weight: 700;
}
.word-cell .word-img,
.trust .word-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.6; /* kompensiert den entfallenen Luminosity-Boost (vorher 0.42 + luminosity) */
  filter: grayscale(1) contrast(1.05);
  /* kein blend-mode: der backdrop-filter der Glass-Kachel isoliert den
         Blending-Kontext — luminosity würde gegen den transparenten
         Kachel-Hintergrund blenden und das Bild unsichtbar machen */
  mix-blend-mode: normal;
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.12), #000 72%);
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.12), #000 72%);
}
:root[theme="light"] .word-cell .word-img,
:root[theme="light"] .trust .word-img {
  mix-blend-mode: normal;
  opacity: 0.92;
  filter: grayscale(0.2) contrast(1.02);
}
/* contrast scrim so the label always reads over the photo */
.word-cell::after,
.trust::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.72) 0%,
    rgba(0, 0, 0, 0.28) 38%,
    rgba(0, 0, 0, 0) 70%
  );
}
.word-cell .word-label {
  position: relative;
  z-index: 1;
  color: #f6f5ef;
  text-shadow:
    0 2px 24px rgba(0, 0, 0, 0.55),
    0 1px 3px rgba(0, 0, 0, 0.6);
}
.word-cell .word-stack {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.word-cell .word-stack .word-label {
  text-shadow:
    0 2px 24px rgba(0, 0, 0, 0.6),
    0 1px 3px rgba(0, 0, 0, 0.65);
}
.word-cell .word-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.7);
}
.word-cell .word-sub {
  font-size: clamp(13px, 1.05vw, 15.5px);
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: rgba(246, 245, 239, 0.86);
  max-width: 32ch;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.65);
}

/* norms */
.norm {
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 12px;
  padding: 30px 24px;
}
.norm .code {
  font-size: clamp(26px, 2.8vw, 40px);
  line-height: 0.94;
  letter-spacing: -0.05em;
  font-weight: 700;
}
.norm .ttl {
  font-size: 14.5px;
  line-height: 1.35;
  color: var(--muted);
  letter-spacing: -0.008em;
}
.norm-note {
  grid-column: 1 / -1;
  margin: clamp(16px, 2vh, 22px) 0 0;
  font-size: 13.5px;
  line-height: 1.5;
  letter-spacing: -0.006em;
  color: var(--muted);
}
.norm-note-star {
  color: var(--accent);
  font-weight: var(--fw-bold);
}
/* Normen ohne Kachel: nur Text auf Hintergrund */
.norms-plain {
  border-top: none;
  border-left: none;
  gap: 12px;
}
.norms-plain .norm {
  padding: 0;
}
/* Ausgangslage: Überschrift bündig oben, Body im unteren Drittel */
.word-cell--top {
  align-items: stretch;
  font-size: clamp(26px, 2.7vw, 40px);
}
.word-cell--top .word-stack {
  height: auto;
  align-self: stretch;
  width: 100%;
}
.word-cell--top .word-sub {
  margin-top: auto;
}

/* usecases — large clean product shots with text beneath */
.usecase {
  position: relative;
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.uc-shot {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: color-mix(in srgb, var(--ink) 7%, var(--paper-warm, var(--card)));
  border-bottom: 1px solid var(--line);
}
.uc-shot::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}
:root[theme="light"] .uc-shot::before {
  box-shadow: inset 0 0 0 1px rgba(21, 20, 15, 0.06);
}
.uc-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 760ms cubic-bezier(0.2, 0.7, 0.2, 1);
}
.usecase:hover .uc-img {
  transform: scale(1.04);
}
/* accent reveal line on hover */
.uc-shot::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  z-index: 3;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 420ms cubic-bezier(0.2, 0.7, 0.2, 1);
}
.usecase:hover .uc-shot::after {
  transform: scaleX(1);
}
.uc-body {
  padding: 24px clamp(24px, 3vw, 40px) 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 0 0 auto;
}
.uc-idx {
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.uc-idx::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.usecase .t {
  font-size: clamp(24px, 2.5vw, 34px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  font-weight: 700;
  color: var(--ink);
}
.usecase .d {
  font-size: 15.5px;
  line-height: 1.45;
  color: var(--muted);
  letter-spacing: -0.008em;
  max-width: 38ch;
}

/* ── Anwendungen · pinned scroll-driven 3D coverflow ── */
.uc-section {
  padding: 0 !important;
}
.uc-scroll {
  position: relative;
  height: 460vh;
  width: 100vw;
  margin-left: calc(50% - 50vw);
}
.uc-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: clamp(12px, 2vh, 28px);
  overflow: hidden;
  padding-top: clamp(16px, 3vh, 36px);
}
.uc-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  width: 100%;
  padding-inline: var(--gutter);
  padding-top: 0;
}
.uc-eyebrow {
  font-size: 12.5px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.uc-eyebrow::before,
.uc-eyebrow::after {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--line);
}
.uc-head h2 {
  max-width: 26ch;
  margin-inline: auto;
}

.uc-carousel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.4vh, 28px);
}
.uc-viewport {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  overflow: hidden;
  padding: clamp(20px, 4vh, 44px) 0;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 7%,
    #000 93%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 7%,
    #000 93%,
    transparent 100%
  );
}
.uc-track {
  display: flex;
  gap: clamp(18px, 2.4vw, 40px);
  will-change: transform;
}

.uc-slide {
  flex: 0 0 clamp(300px, 62vw, 1000px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: perspective(1600px) rotateY(var(--ry, 0deg)) scale(var(--sc, 1));
  transform-origin: center center;
  opacity: var(--op, 1);
  will-change: transform, opacity;
}
.uc-slide .uc-shot {
  aspect-ratio: 16 / 9;
}

.uc-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 28px);
  width: 100%;
  padding-inline: var(--gutter);
}
.uc-hint {
  font-size: 11.5px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
  display: inline-flex;
  align-items: center;
  gap: 11px;
  white-space: nowrap;
  flex-shrink: 0;
}
.uc-hint-line {
  width: 26px;
  height: 1px;
  background: var(--line);
  display: inline-block;
}
.uc-counter {
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.03em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.uc-counter .uc-sep {
  color: var(--muted-2);
}
.uc-counter .uc-total {
  color: var(--muted);
}
.uc-progress {
  position: relative;
  flex: 1;
  height: 2px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.uc-progress-bar {
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(0.166);
  transform-origin: left;
  transition: transform 0.25s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.uc-arrows {
  display: inline-flex;
  gap: 10px;
  flex-shrink: 0;
}
.uc-arrow {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--frame);
  border-radius: var(--r);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition:
    background 0.16s ease,
    color 0.16s ease,
    border-color 0.16s ease,
    opacity 0.18s ease;
}
.uc-arrow:hover {
  background: var(--accent);
  color: var(--color-brand-black);
  border-color: var(--accent);
}
.uc-arrow[disabled] {
  opacity: 0.3;
  pointer-events: none;
}
@media (max-width: 680px) {
  .uc-hint {
    display: none;
  }
  .uc-scroll {
    height: 380vh;
  }
}

.closing-line {
  margin-top: clamp(44px, 6vh, 64px);
  font-size: clamp(25px, 3vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.05em;
  font-weight: 600;
  max-width: 24ch;
}
.closing-line .muted {
  color: var(--muted);
}

/* ───────────── statement section (Entwurf) ───────────── */

/* Diese Sektionen liegen außerhalb von .page → auf Container-Breite zentrieren, bündig mit dem Rest */
.statement,
#pilot,
#beweis,
section[aria-labelledby="aur-title"] {
  width: min(var(--max), calc(100% - 2 * var(--gutter)));
  margin-left: auto;
  margin-right: auto;
}
/* ── Hero-Laptop: 3D-MacBook unter der Headline, ragt in die nächste Sektion ── */
.hero-laptop {
  position: absolute;
  right: clamp(-48px, -2vw, 0px);
  bottom: clamp(8px, 2vh, 32px);
  width: min(66vw, 1800px);
  aspect-ratio: 16/9;
  z-index: 3;
  pointer-events: auto;
}
/* mittlere Breiten: Laptop etwas zuruecknehmen, damit er die Headline nicht trifft */
@media (min-width: 761px) and (max-width: 1200px) {
  .hero-laptop {
    width: 54vw;
  }
}
.hero-full {
  overflow: visible;
}
.hero-full::after {
  z-index: 0;
}
/* Mobile: Spline-Laptop ausblenden (spart WebGL/CPU/Akku auf dem Handy;
   das Element wird zusaetzlich per Inline-Script in index.html aus dem DOM
   genommen, damit die 3D-Szene gar nicht erst laedt/initialisiert) */
@media (max-width: 760px) {
  .hero-laptop {
    display: none;
  }
}

/* Fix: .statement liegt INNERHALB von .page → nicht erneut einrücken */
.page .statement {
  width: 100%;
}

/* ── Mini-Coverflow unter Verstehen / Vergleichen / Zusammen gestalten ── */
/* Pinned-Coverflow: Sektion haelt, waehrend die Kacheln durchblaettern */
.block--pin {
  min-height: 290vh;
}
.block--pin .split {
  position: sticky;
  top: clamp(72px, 12vh, 104px);
}
@media (max-width: 760px) {
  .block--pin {
    min-height: 0;
  }
  .block--pin .split {
    position: static;
  }
}
.mini-car {
  position: relative;
  grid-column: 1/-1;
  min-width: 0;
  margin-top: clamp(28px, 4vh, 52px);
}
.mc-viewport {
  position: relative;
  height: clamp(560px, 55vw, 760px);
  perspective: 1400px;
}
.mc-slide {
  position: absolute;
  top: 4px;
  left: 50%;
  width: min(700px, 90vw);
  margin-left: calc(min(700px, 90vw) / -2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  cursor: pointer;
  transition:
    transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1),
    opacity 0.55s ease;
  will-change: transform;
}
.mc-shot {
  aspect-ratio: 16/10;
  overflow: hidden;
  flex: none;
}
.mc-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.mc-body {
  padding: 20px 24px 26px;
}
.mc-body .hl-d {
  max-width: none;
}
.mini-car[data-active="0"] .mc-slide:nth-child(1),
.mini-car[data-active="1"] .mc-slide:nth-child(2),
.mini-car[data-active="2"] .mc-slide:nth-child(3) {
  transform: translateX(0) rotateY(0) scale(1);
  opacity: 1;
  z-index: 3;
  cursor: default;
}
.mini-car[data-active="1"] .mc-slide:nth-child(1),
.mini-car[data-active="2"] .mc-slide:nth-child(2) {
  transform: translateX(-58%) rotateY(20deg) scale(0.84);
  opacity: 0.5;
  z-index: 2;
}
.mini-car[data-active="0"] .mc-slide:nth-child(2),
.mini-car[data-active="1"] .mc-slide:nth-child(3) {
  transform: translateX(58%) rotateY(-20deg) scale(0.84);
  opacity: 0.5;
  z-index: 2;
}
.mini-car[data-active="2"] .mc-slide:nth-child(1) {
  transform: translateX(-100%) rotateY(26deg) scale(0.7);
  opacity: 0.18;
  z-index: 1;
}
.mini-car[data-active="0"] .mc-slide:nth-child(3) {
  transform: translateX(100%) rotateY(-26deg) scale(0.7);
  opacity: 0.18;
  z-index: 1;
}
.mc-arrow {
  position: absolute;
  top: 44%;
  z-index: 6;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(128, 128, 128, 0.4);
  background: transparent;
  color: var(--ink);
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.3s,
    border-color 0.3s;
}
.mc-arrow:hover {
  border-color: var(--accent);
}
.mc-prev {
  left: 0;
}
.mc-next {
  right: 0;
}
.mini-car[data-active="0"] .mc-prev,
.mini-car[data-active="2"] .mc-next {
  opacity: 0.25;
  pointer-events: none;
}
@media (max-width: 760px) {
  .mc-viewport {
    height: auto;
    perspective: none;
    display: flex;
    overflow-x: auto;
    gap: 12px;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
  }
  .mc-slide {
    position: static;
    margin-left: 0;
    flex: 0 0 74%;
    scroll-snap-align: center;
    transform: none !important;
    opacity: 1 !important;
  }
  .mc-shot {
    aspect-ratio: 16/9;
    max-height: 32vh;
  }
  .mc-body {
    padding: 14px 16px 18px;
  }
  .mc-arrow {
    display: none;
  }
}

.statement {
  padding: clamp(88px, 12vh, 148px) 0;
  border-top: 1px solid var(--line);
}
.statement h2 {
  max-width: 18ch;
}
.roadmap {
  margin-top: clamp(36px, 5vh, 52px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  position: relative;
  border-top: 1px solid var(--line);
}
.rm-step {
  position: relative;
  padding: clamp(30px, 3.6vw, 46px) clamp(22px, 2vw, 30px)
    clamp(26px, 3vh, 38px);
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: clamp(220px, 30vh, 300px);
}
.rm-node {
  position: absolute;
  top: -7px;
  left: clamp(22px, 2vw, 30px);
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--muted-2);
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}
.rm-step.is-live .rm-node {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}
.rm-status {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.rm-step.is-live .rm-status {
  color: var(--accent);
}
.rm-name {
  font-size: clamp(20px, 2vw, 27px);
  letter-spacing: -0.045em;
  font-weight: 700;
  margin-top: 3px;
}
.rm-desc {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.5;
  letter-spacing: -0.008em;
  margin-top: auto;
  max-width: 22ch;
}
@media (max-width: 820px) {
  .roadmap {
    grid-template-columns: 1fr;
    border-top: none;
    border-left: 1px solid var(--line);
  }
  .rm-step {
    min-height: 0;
    padding: clamp(22px, 5vw, 30px) clamp(22px, 5vw, 30px)
      clamp(22px, 5vw, 30px) clamp(26px, 6vw, 34px);
  }
  .rm-node {
    top: clamp(24px, 5.5vw, 32px);
    left: -7px;
  }
  .rm-desc {
    margin-top: 8px;
  }
}

.statement .avail {
  margin-top: 28px;
  font-size: 15.5px;
  color: var(--muted);
  letter-spacing: -0.008em;
  max-width: 52ch;
  line-height: 1.5;
}

/* ───────────── pilot ───────────── */

.pilot-copy {
  margin-top: clamp(28px, 4vh, 40px);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.035em;
  color: var(--ink-2);
  max-width: 30ch;
  font-weight: 500;
}
.pilot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(32px, 4vh, 44px);
}
.wl-input {
  min-height: 54px;
  padding: 0 20px;
  min-width: clamp(220px, 26vw, 320px);
  font: inherit;
  font-size: 15px;
  letter-spacing: -0.011em;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--frame);
  border-radius: var(--r);
  transition:
    border-color 160ms ease,
    background 160ms ease;
}
.wl-input::placeholder {
  color: var(--muted-2);
}
.wl-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--card-hover);
}
.wl-note {
  flex-basis: 100%;
  margin: 2px 0 0;
  font-size: 12.5px;
  color: var(--muted-2);
  letter-spacing: -0.005em;
}

/* ───────────── footer ───────────── */

footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--frame);
  padding: clamp(48px, 7vh, 80px) 0 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  align-items: start;
  padding-bottom: clamp(40px, 6vh, 64px);
}
.footer-brand {
  display: grid;
  gap: 20px;
}
.footer-brand img {
  height: 34px;
  width: auto;
  display: block;
}
.footer-brand .tagline {
  font-size: 15px;
  color: var(--muted);
  letter-spacing: -0.011em;
}
.footer-col {
  display: grid;
  gap: 9px;
  font-size: 14.5px;
  color: var(--muted);
}
.footer-col .h {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 5px;
}
.footer-col a:hover {
  color: var(--ink);
}
.footer-logo {
  position: relative;
  display: inline-flex;
  height: 34px;
  width: fit-content;
}
.footer-logo .logo-on-light {
  position: absolute;
  inset: 0;
  opacity: 0;
}
:root[theme="light"] .footer-logo .logo-on-dark {
  opacity: 0;
}
:root[theme="light"] .footer-logo .logo-on-light {
  opacity: 1;
}
.footer-legal {
  display: inline-flex;
  gap: 18px;
}
.footer-legal a:hover {
  color: var(--ink);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted-2);
  letter-spacing: -0.005em;
}

/* ───────────── reveal ───────────── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition:
      opacity 700ms cubic-bezier(0.2, 0.7, 0.2, 1),
      transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
  }
  .reveal.in {
    opacity: 1;
    transform: none;
  }
}

/* ───────────── responsive ───────────── */

@media (max-width: 1080px) {
  .nav-links {
    display: none;
  }
}
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .hero-visual {
    aspect-ratio: 4 / 3;
  }
  .split {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .split .lead-col {
    position: static;
  }
  .grid.cols-3,
  .grid.cols-2,
  .grid.cols-4 {
    grid-template-columns: 1fr;
  }
  .evidence-grid {
    grid-template-columns: 1fr;
  }
  .evidence-grid .media.large {
    aspect-ratio: 16 / 10;
  }
}
@media (max-width: 560px) {
  .nav-cta,
  .nav-login {
    display: none;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ───────────── scroll progress ───────────── */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 60;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 80ms linear;
  pointer-events: none;
}

/* tweak: accent intensity */
body[data-accent="dezent"] {
  --accent: #ecd200;
}
body[data-accent="kräftig"] {
  --accent: #ffe400;
}
/* tweak: motion off */
body[data-motion="off"] .reveal {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

/* erleben: full-bleed video background, floating heading + step tiles */
.erleben-section {
  padding: 0 !important;
}
.erleben-stage {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #0b0b08;
  isolation: isolate;
}
.erleben-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
  object-fit: cover;
}
.erleben-play {
  position: absolute;
  right: clamp(18px, 3vw, 40px);
  top: clamp(18px, 3vw, 36px);
  z-index: 2;
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: rgba(246, 245, 239, 0.82);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(8, 8, 6, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  pointer-events: none;
}

/* ── merged block ── */

.hl-tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(20px, 3vh, 32px);
  min-height: clamp(220px, 26vh, 300px);
  padding: 24px;
}
.hl-top {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.hl-mark {
  width: 28px;
  height: 3px;
  background: var(--accent);
  flex-shrink: 0;
}
.hl-t {
  font-size: clamp(20px, 1.9vw, 27px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--ink);
}
.hero-sub2 {
  margin: 20px 0 0;
  font-size: clamp(14px, 1.15vw, 17px);
  font-weight: 500;
  letter-spacing: -0.008em;
  color: var(--muted);
  max-width: 56ch;
}
.hl-d {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.45;
  color: var(--muted);
  letter-spacing: -0.006em;
  max-width: 34ch;
}

/* ── merged block ── */

.founder {
  display: grid;
  grid-template-columns: clamp(240px, 30vw, 420px) 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  margin-top: clamp(36px, 5vh, 52px);
  border-top: 1px solid var(--line);
  padding-top: clamp(36px, 5vh, 52px);
}
.founder-photo {
  position: relative;
}
.founder-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: grayscale(1) contrast(1.02);
  border: 1px solid var(--frame);
}
.founder-photo::after {
  content: "";
  position: absolute;
  left: -1px;
  bottom: -1px;
  width: 46px;
  height: 3px;
  background: var(--accent);
}
.founder-body {
  max-width: 52ch;
}
.founder-name {
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.035em;
  font-weight: 600;
  line-height: 1.08;
  margin: 0;
  color: var(--ink);
}
.founder-role {
  margin: 8px 0 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.founder-bio {
  margin: clamp(18px, 2.4vh, 24px) 0 0;
  font-size: clamp(16px, 1.25vw, 18px);
  line-height: 1.6;
  color: var(--ink-2);
  letter-spacing: -0.008em;
}
.founder-link {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 9px;
  margin-top: clamp(20px, 2.6vh, 28px);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--frame);
  padding-bottom: 3px;
  transition:
    color 0.2s,
    border-color 0.2s;
}
.founder-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.founder-link svg {
  width: 15px;
  height: 15px;
}
.trust-grid {
  margin-top: clamp(28px, 4vh, 44px);
  margin-bottom: clamp(44px, 6.5vh, 68px);
}
.trust2 {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 18px;
  min-height: clamp(140px, 17vh, 190px);
  padding: 24px;
}
.trust2-mark {
  width: 28px;
  height: 3px;
  background: var(--accent);
  flex-shrink: 0;
}
.trust2-t {
  margin: 0;
  font-size: clamp(19px, 1.8vw, 26px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--ink);
  max-width: 24ch;
}
@media (max-width: 720px) {
  .founder {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .founder-photo {
    max-width: 320px;
  }
}

/* ── merged block ── */

.faq-list {
  margin-top: clamp(28px, 4vh, 44px);
  border-bottom: 1px solid var(--line);
}
.faq-item {
  border-top: 1px solid var(--line);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: clamp(18px, 2.6vh, 26px) 0;
  font-size: clamp(18px, 1.7vw, 24px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-weight: 400;
  color: var(--muted);
  font-size: 1.2em;
  line-height: 1;
  flex-shrink: 0;
  transition:
    transform 260ms cubic-bezier(0.2, 0.7, 0.2, 1),
    color 200ms ease;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--accent);
}
@media (prefers-reduced-motion: no-preference) {
  .faq-item[open] .faq-a {
    animation: faqIn 320ms cubic-bezier(0.2, 0.7, 0.2, 1);
  }
}
@keyframes faqIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.faq-a {
  margin: 0;
  padding: 0 0 clamp(18px, 2.6vh, 26px);
  max-width: 52ch;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.55;
}