:root {
  --bg: oklch(1 0 0);
  --ink: oklch(0.12 0 0);
  --muted: oklch(0.4 0 0);
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  color-scheme: light;
}

*,
*::before,
*::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { margin: 0; height: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Schibsted Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1.05rem;
  line-height: 1.45;
  overflow: hidden;
}

button, a { font: inherit; color: inherit; }

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.skip {
  position: absolute;
  left: 1rem;
  top: 0;
  transform: translateY(-120%);
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 0.7rem;
  z-index: 40;
}

.skip:focus { transform: none; }

.top, .rail {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.6rem;
  pointer-events: none;
  color: white;
  mix-blend-mode: difference;
}

.top { top: 0; }
.rail { bottom: 0; gap: 1rem; }

.top a, .top button, .rail button { pointer-events: auto; }

.brand {
  font-weight: 500;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.top-links {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.top-links a { text-decoration: none; font-weight: 400; }
#menu { font-weight: 700; }

.lang {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.lang button { font-weight: 400; letter-spacing: 0.04em; }
.lang button[aria-pressed="true"] { font-weight: 700; }

.rail button {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

#current { font-weight: 600; }
#next-col { margin-left: auto; }

.track {
  position: relative;
  display: flex;
  height: 100dvh;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.track::-webkit-scrollbar { display: none; }
.track.is-dragging { scroll-snap-type: none; cursor: grabbing; }

.slide {
  flex: 0 0 90vw;
  width: 90vw;
  height: 100dvh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
}

.slide.deck,
.slide:last-child {
  flex-basis: 100vw;
  width: 100vw;
}

.slide[data-theme="dark"] {
  background: var(--ink);
  color: var(--bg);
}

.home {
  display: grid;
  grid-template-columns: minmax(10rem, 0.85fr) minmax(14rem, 1.15fr);
}

.home-mark {
  display: grid;
  place-items: center;
  padding: 5rem 2rem;
}

.home-mark .mark {
  width: min(70%, 16rem);
  height: auto;
  color: var(--ink);
}

html.js .mark .draw {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

html.js .home.is-current .mark .d1 { animation: draw 0.48s var(--ease) forwards; }
html.js .home.is-current .mark .d2 { animation: draw 0.62s var(--ease) 0.48s forwards; }
html.js .home.is-current .mark .d3 { animation: draw 0.62s var(--ease) 1.1s forwards; }
html.js .home.is-current .mark .d4 { animation: draw 0.42s var(--ease) 1.72s forwards; }

@keyframes draw { to { stroke-dashoffset: 0; } }

.index {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5.5rem 0 4.5rem 1.5rem;
}

.index button {
  text-align: left;
  border-top: 1px solid oklch(0.12 0 0 / 0.35);
  padding: 0.85rem 0;
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}

.index button:last-child { border-bottom: 1px solid oklch(0.12 0 0 / 0.35); }

.cover {
  display: flex;
  align-items: center;
  padding: 0 6vw 0 12vw;
}

.cover h1, .cover h2 {
  margin: 0;
  font-size: clamp(4.2rem, 12.5vw, 11.5rem);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.prose, .story, .proof-slide {
  display: grid;
  align-items: center;
  padding: 6rem 8vw 5rem 12vw;
}

.prose { justify-items: start; }

.copy { max-width: 38rem; }

.copy p { margin: 0 0 1rem; }

.lead {
  font-size: clamp(1.45rem, 2.4vw, 2.15rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.role {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.aside { font-weight: 600; }

.story {
  grid-template-columns: minmax(12rem, 0.7fr) 1.2fr;
  gap: 2.5rem;
  align-items: center;
  overflow: auto;
}

.portrait { margin: 0; }
.portrait figcaption, .hint, .progress, .role { color: var(--muted); }

.frame {
  background: oklch(0.94 0 0);
  box-shadow: 0 0 0 1px oklch(0.12 0 0 / 0.2), 0 0 48px 8px oklch(0.12 0 0 / 0.08);
  min-height: 16rem;
}

.frame-portrait { aspect-ratio: 3 / 4; }

.proof-slide {
  grid-template-columns: minmax(16rem, 1.1fr) minmax(14rem, 0.8fr);
  gap: 3rem;
}

.glow { aspect-ratio: 4 / 3; }

.deck { position: relative; }
.deck-stack { position: relative; height: 100%; }

.card {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(16rem, 1.05fr) minmax(14rem, 0.85fr);
  gap: 3rem;
  align-items: center;
  padding: 6rem 8vw 5rem 12vw;
  background: var(--bg);
}

.card:first-child { z-index: 2; }

.card .glow { width: 100%; min-height: 52vh; }

.card.is-leaving {
  z-index: 4;
  transform: translateY(105%);
  transition: transform 680ms var(--ease);
}

.card.is-entering {
  z-index: 5;
  transform: translateY(105%);
  transition: none;
}

.card.is-entering.is-rising {
  transform: none;
  transition: transform 680ms var(--ease);
}

@keyframes slide-fade {
  from { opacity: 0; transform: translateY(1.6rem); }
  to { opacity: 1; transform: none; }
}

html.js .slide:not(.is-current) :is(h1, h2, .copy > *, .index button) {
  opacity: 0;
}

html.js .is-current :is(h1, h2, .copy > *, .index button) {
  animation: slide-fade 0.72s var(--ease) both;
}

html.js .is-current :is(.copy > *:nth-child(2), .index button:nth-child(2)) { animation-delay: 70ms; }
html.js .is-current :is(.copy > *:nth-child(3), .index button:nth-child(3)) { animation-delay: 140ms; }
html.js .is-current :is(.copy > *:nth-child(4), .index button:nth-child(4)) { animation-delay: 210ms; }
html.js .is-current .index button:nth-child(5) { animation-delay: 280ms; }

html.js .deck.is-current .card:not(:first-child) .copy > * {
  animation: none;
  opacity: 0;
}

.demande {
  overflow: auto;
}

.demande-inner {
  width: min(720px, calc(100% - 3rem));
  margin: 5.2rem auto 5rem;
}

.demande h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.demande-lead { max-width: 34rem; }

.progress {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: oklch(0.78 0 0);
}

.meter {
  height: 1px;
  margin: 0 0 1.2rem;
  background: oklch(1 0 0 / 0.28);
}

.meter span {
  display: block;
  height: 1px;
  width: 8.333%;
  background: white;
  transition: width 200ms var(--ease);
}

.step {
  display: none;
  border: 0;
  margin: 0;
  padding: 0;
  min-inline-size: 0;
}

.step.is-active { display: block; }

legend {
  padding: 0;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

label { display: block; margin-top: 0.9rem; font-weight: 600; }

input, textarea {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.75rem 0.8rem;
  border: 1px solid oklch(1 0 0 / 0.4);
  background: transparent;
  color: white;
  font: inherit;
  border-radius: 0;
}

.choices { margin-top: 0.8rem; }

.choice {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  padding: 0.7rem 0.15rem;
  border-bottom: 1px solid oklch(1 0 0 / 0.28);
  font-weight: 500;
  cursor: pointer;
}

.choice input {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: white;
}

.choice:has(input:checked) {
  background: white;
  color: var(--ink);
  padding-inline: 0.7rem;
}

.form-error { min-height: 1.3em; font-weight: 700; }

.form-nav { display: flex; gap: 1rem; align-items: center; margin-top: 0.6rem; }

.btn {
  min-height: 2.7rem;
  padding: 0.55rem 1rem;
  border: 0;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 120ms var(--ease);
}

.btn:active { transform: scale(0.97); }
.btn-paper { background: white; color: var(--ink); }
.btn-quiet { background: transparent; color: inherit; padding-inline: 0; }

.result h3 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }

@media (max-width: 800px) {
  .top, .rail { padding: 0.9rem 1rem; }
  .top-links { gap: 0.35rem; }
  .brand { font-size: 1.15rem; }
  .rail-word { display: none; }
  .slide,
  .slide.deck,
  .slide:last-child { flex-basis: 100vw; width: 100vw; }
  .home, .story, .proof-slide, .card { grid-template-columns: 1fr; }
  .home { align-content: center; }
  .home-mark { display: grid; padding: 4.2rem 1.4rem 0.2rem; }
  .home-mark .mark { width: min(42vw, 8.5rem); }
  .index { padding: 0.2rem 1.4rem 4.8rem; }
  .cover { padding: 0 1.25rem; }
  .cover h1, .cover h2 {
    font-size: clamp(2.3rem, 12vw, 3.8rem);
    white-space: nowrap;
  }
  .prose, .story, .proof-slide, .card { padding: 4.8rem 1.25rem 4.6rem; }
  .card { gap: 1rem; }
  .card .glow { min-height: 22vh; }
  .rail button { letter-spacing: 0.03em; white-space: nowrap; }
  #hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .track { scroll-behavior: auto; }
  .btn, .meter span, .card.is-leaving, .card.is-entering.is-rising { transition: none; }
  .btn:active { transform: none; }
  html.js .slide:not(.is-current) :is(h1, h2, .copy > *, .index button),
  html.js .is-current :is(h1, h2, .copy > *, .index button) {
    animation: none;
    opacity: 1;
    transform: none;
  }
  html.js .mark .draw { animation: none; stroke-dashoffset: 0; }
}