/* Walkman Sports — la page est la face avant du WM-F35 : plastique jaune, caoutchouc, sérigraphie.
   Couleurs relevées dans WalkmanSports/Views/Kit/Palette.swift. */
:root {
  --plastic: #FCC40A;
  --plastic-shade: #D69900;
  --plastic-light: #FFDE52;
  --rubber: #262626;
  --rubber-light: #454545;
  --ink: #3D3D3D;
  --sports-blue: #1259C2;
  --window-green: #14B38C;
  --paper: #F5F0E0;
  --led: #FF291A;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius-key: 0.8rem;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Archivo", system-ui, sans-serif;
  font-variation-settings: "wdth" 100;
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--plastic);
  /* Grain du plastique moulé. */
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .38 0 0 0 0 0 0 0 0 .22 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    linear-gradient(180deg, var(--plastic-light) 0%, var(--plastic) 30%, var(--plastic) 100%);
}

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

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--sports-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--rubber);
  color: var(--paper);
  z-index: 10;
}
.skip:focus { left: 0.5rem; }

h1, h2, h3 { margin: 0; color: var(--rubber); }

h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  font-variation-settings: "wdth" 112;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.6rem;
  font-variation-settings: "wdth" 108;
  font-weight: 800;
  line-height: 1.15;
}

p { margin: 0; }

/* En-tête : une bande de caoutchouc, comme la barre de touches. */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--gutter);
}

.brand {
  font-weight: 800;
  font-variation-settings: "wdth" 120;
  text-decoration: none;
  color: var(--rubber);
}

.top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.3rem;
  border-radius: var(--radius-key);
  background: var(--rubber);
}

.top nav a {
  padding: 0.35rem 0.8rem;
  border-radius: 0.55rem;
  color: #E8E3D3;
  font-size: 0.95rem;
  text-decoration: none;
}
.top nav a:hover { background: var(--rubber-light); }

/* Accroche : la sérigraphie du WM-F35, en très grand. */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(2rem, 6vw, 5rem) var(--gutter) clamp(3rem, 8vw, 6rem);
  max-width: 82rem;
  margin: 0 auto;
}

.hero-text { container-type: inline-size; }

/* Tailles en largeur de colonne : la sérigraphie tient toujours dans sa colonne. */
.lockup { line-height: 0.86; }

.mark-sports {
  font-style: italic;
  font-weight: 900;
  font-variation-settings: "wdth" 112;
  font-size: 7.4cqi;
  color: var(--sports-blue);
  margin-left: 0.04em;
}

.mark-walkman {
  font-weight: 900;
  font-variation-settings: "wdth" 125;
  font-size: 14.2cqi;
  letter-spacing: -0.035em;
  color: var(--rubber);
  white-space: nowrap;
}

.mark-fmam {
  font-weight: 300;
  font-variation-settings: "wdth" 100;
  font-size: 0.42em;
  letter-spacing: 0;
  color: var(--ink);
}

.lede {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--rubber);
  max-width: var(--measure);
}

.intro {
  margin-top: 1rem;
  max-width: var(--measure);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

/* Boutons en touches de caoutchouc ; l'appui les enfonce. */
.key {
  display: inline-block;
  padding: 0.85rem 1.3rem;
  border-radius: var(--radius-key);
  font-weight: 700;
  text-decoration: none;
  transition: transform 80ms ease, box-shadow 80ms ease;
}
.key-dark {
  background: linear-gradient(180deg, var(--rubber-light), var(--rubber));
  color: var(--paper);
  box-shadow: 0 4px 0 #111, inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.key-light {
  background: var(--paper);
  color: var(--rubber);
  box-shadow: 0 4px 0 var(--plastic-shade);
}
.key:active { transform: translateY(3px); }
.key-dark:active { box-shadow: 0 1px 0 #111, inset 0 1px 0 rgba(255, 255, 255, 0.12); }
.key-light:active { box-shadow: 0 1px 0 var(--plastic-shade); }

.hero-device { margin: 0; justify-self: center; }
.hero-device img {
  width: min(100%, 22rem);
  max-height: 82vh;
  object-fit: contain;
  filter: drop-shadow(0 30px 40px rgba(110, 70, 0, 0.35));
}

/* Le seul mouvement non déclenché : le téléphone se pose au chargement. */
@media (prefers-reduced-motion: no-preference) {
  .hero-device img { animation: settle 900ms cubic-bezier(.2, .7, .2, 1) both; }
  @keyframes settle {
    from { opacity: 0; transform: translateY(36px); }
    to { opacity: 1; transform: none; }
  }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .key { transition: none; }
}

/* Présentation : la bande de caoutchouc du lecteur. */
.band {
  background: var(--rubber);
  color: #D9D4C5;
  padding: clamp(3rem, 7vw, 5.5rem) var(--gutter);
  border-radius: 2rem 2rem 0 0;
}
.band h2 {
  color: var(--paper);
  max-width: 70rem;
  margin: 0 auto 1.75rem;
}
.band video {
  display: block;
  width: 100%;
  max-width: 70rem;
  height: auto;
  margin: 0 auto;
  border-radius: 1rem;
  background: #000;
}
.band-note {
  max-width: 70rem;
  margin: 1rem auto 0;
  font-size: 0.95rem;
  color: #A8A396;
}

/* Les deux faces de la cassette. */
.side {
  max-width: 76rem;
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6.5rem) var(--gutter);
}

.side-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: clamp(1rem, 3vw, 2.25rem);
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
.side-head p:not(.side-letter) {
  margin-top: 0.9rem;
  max-width: var(--measure);
}

/* La lettre de face, comme sur l'étiquette d'une cassette. */
.side-letter {
  display: grid;
  place-items: center;
  width: clamp(3.5rem, 7vw, 5rem);
  aspect-ratio: 1;
  border-radius: 0.9rem;
  background: var(--paper);
  border: 3px solid var(--rubber);
  font-weight: 900;
  font-variation-settings: "wdth" 125;
  font-size: clamp(2rem, 4.5vw, 3rem);
  color: var(--rubber);
}

.track {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  padding: clamp(1.75rem, 4vw, 2.75rem) 0;
  border-top: 2px solid rgba(38, 38, 38, 0.18);
}
.track > img {
  width: 100%;
  filter: drop-shadow(0 18px 24px rgba(110, 70, 0, 0.3));
}
.track > img.track-keys { filter: drop-shadow(0 10px 14px rgba(0, 0, 0, 0.25)); }
.track-text { max-width: var(--measure); }
.track-text h3 + p { margin-top: 0.7rem; }

.detail {
  margin-top: 1.5rem;
  width: min(100%, 26rem);
  filter: drop-shadow(0 8px 12px rgba(110, 70, 0, 0.25));
}

/* Étiquette « Nouveau » : un bout de papier de cassette. */
.new {
  display: inline-block;
  margin-bottom: 0.6rem;
  padding: 0.15rem 0.6rem;
  border-radius: 0.35rem;
  background: var(--paper);
  border-left: 0.4rem solid var(--window-green);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--rubber);
}

.side-b {
  max-width: none;
  background: var(--plastic-shade);
  background: linear-gradient(180deg, var(--plastic-shade), #C88E00);
}
.side-b > * { max-width: 76rem; margin-left: auto; margin-right: auto; }
.side-b .side-head { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.side-b .side-head p:not(.side-letter) { color: #2E2A20; }

.duo {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.85fr);
  align-items: end;
  gap: clamp(1.25rem, 4vw, 3rem);
}
.duo figure { margin: 0; }
.duo img { width: 100%; filter: drop-shadow(0 24px 30px rgba(60, 35, 0, 0.4)); }
.duo figcaption {
  margin-top: 0.9rem;
  font-weight: 700;
  color: var(--rubber);
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: clamp(2.5rem, 5vw, 3.5rem) auto 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-key);
  background: var(--rubber);
  color: var(--paper);
  font-weight: 600;
  line-height: 1.35;
}
.steps li::before {
  content: counter(step);
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 900;
  font-variation-settings: "wdth" 125;
  font-size: 1.6rem;
  color: var(--plastic);
}

/* Installer. */
.install {
  max-width: 48rem;
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) var(--gutter);
}
.install h2 { margin-bottom: 1.4rem; }
.needs {
  margin: 0 0 1.4rem;
  padding-left: 1.2rem;
}
.needs li + li { margin-top: 0.35rem; }
.install p + pre,
.install pre + p { margin-top: 1.2rem; }
code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.92em;
}
pre {
  overflow-x: auto;
  margin: 1.2rem 0 0;
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-key);
  background: var(--rubber);
  color: var(--paper);
  line-height: 1.6;
}
.sim { color: #5A4A1E; font-size: 1rem; }

.foot {
  padding: 2rem var(--gutter) 2.5rem;
  border-top: 2px solid rgba(38, 38, 38, 0.18);
  font-size: 0.92rem;
  color: #4A3F22;
}
.foot p { max-width: 46rem; }
.foot p + p { margin-top: 0.5rem; }

/* Mobile. */
@media (max-width: 52rem) {
  .hero { grid-template-columns: 1fr; }
  .hero-device img { width: min(100%, 17rem); }
  .track { grid-template-columns: minmax(0, 9rem) minmax(0, 1fr); align-items: start; }
  .duo { grid-template-columns: 1fr; }
  .duo figure:first-child { max-width: 16rem; margin: 0 auto; }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 34rem) {
  .top { flex-direction: column; align-items: flex-start; }
  .track { grid-template-columns: 1fr; }
  .track > img:not(.track-keys) { max-width: 12rem; }
}