/* =========================================================
   Les Anciens Volants de Pinterville — design system
   Palette chaude "voiture ancienne" : papier, chrome, braise.
   ========================================================= */

:root {
  --paper:      oklch(0.96 0.012 85);
  --paper-2:    oklch(0.925 0.016 84);
  --ink:        oklch(0.24 0.018 70);
  --ink-soft:   oklch(0.44 0.02 72);
  --petrol:     oklch(0.34 0.055 210);
  --petrol-2:   oklch(0.26 0.05 212);
  --racing:     oklch(0.42 0.09 150);
  --amber:      oklch(0.75 0.14 66);
  --amber-deep: oklch(0.63 0.15 52);
  --oxblood:    oklch(0.42 0.12 25);
  --chrome:     oklch(0.86 0.008 80);

  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-text:    "Archivo", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  --f-sm:   clamp(0.8rem, 0.76rem + 0.2vw, 0.9rem);
  --f-base: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  --f-lg:   clamp(1.2rem, 1.05rem + 0.7vw, 1.6rem);
  --f-xl:   clamp(1.9rem, 1.4rem + 2.3vw, 3rem);
  --f-2xl:  clamp(2.4rem, 1.5rem + 4.4vw, 4.75rem);
  --f-3xl:  clamp(3rem, 1.4rem + 7.6vw, 7rem);

  --pad:     clamp(1.25rem, 5vw, 5rem);
  --section: clamp(4rem, 2.5rem + 7vw, 9rem);
  --ease:    cubic-bezier(0.23, 1, 0.32, 1);

  --progress: 0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: var(--f-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.04; letter-spacing: -0.015em; font-weight: 600; }

img { max-width: 100%; display: block; }
a { color: inherit; }
::selection { background: var(--amber); color: var(--ink); }

.skip {
  position: fixed; left: 1rem; top: -3rem; z-index: 200;
  background: var(--ink); color: var(--paper); padding: 0.6rem 1rem; border-radius: 8px;
  transition: top 0.2s;
}
.skip:focus { top: 1rem; }

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

/* ---------- grain ---------- */
.grain {
  position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- barre "route" de progression ---------- */
.route {
  position: fixed; left: 14px; top: 0; z-index: 80;
  width: 12px; height: 100vh; pointer-events: none;
}
.route::before {
  content: ""; position: absolute; inset: 1.5rem 50% ; width: 3px; transform: translateX(-50%);
  background-image: repeating-linear-gradient(to bottom, var(--chrome) 0 14px, transparent 14px 34px);
  opacity: 0.4;
}
.route__fill {
  position: absolute; left: 50%; top: 1.5rem; bottom: 1.5rem; width: 3px;
  transform: translateX(-50%) scaleY(var(--progress)); transform-origin: top;
  background: var(--oxblood);
}
.route__car {
  position: absolute; left: 50%; width: 13px; height: 13px;
  top: calc(1.5rem + (100vh - 3rem) * var(--progress));
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--amber); border-radius: 3px;
  box-shadow: 0 0 0 3px var(--paper);
}
@media (max-width: 1100px) { .route { display: none; } }

/* ---------- header ---------- */
.hud {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.85rem var(--pad);
  transition: background 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.hud.is-stuck {
  background: color-mix(in oklch, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-color: color-mix(in oklch, var(--ink) 12%, transparent);
}
.hud__mark { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--ink); }
.hud__emblem { width: 38px; height: 38px; flex: none; }
.hud__name b { display: block; font-family: var(--font-display); font-size: 0.98rem; font-weight: 600; }
.hud__name i { display: block; font-family: var(--font-mono); font-size: 0.58rem; font-style: normal; letter-spacing: 0.28em; text-transform: uppercase; color: var(--ink-soft); }
.hud__nav { display: flex; align-items: center; gap: 1.7rem; }
.hud__nav a { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; text-decoration: none; color: var(--ink-soft); transition: color 0.2s; }
.hud__nav a:hover { color: var(--oxblood); }
.hud__cta {
  color: var(--paper) !important; background: var(--oxblood);
  padding: 0.55rem 1rem; border-radius: 999px; transition: transform 0.2s;
}
.hud__cta:hover { transform: translateY(-2px); }
@media (max-width: 820px) {
  .hud__nav a:not(.hud__cta) { display: none; }
}

/* ---------- boutons ---------- */
.btn {
  display: inline-block; font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.18em; text-transform: uppercase; text-decoration: none;
  padding: 0.9rem 1.6rem; border-radius: 999px; transition: transform 0.2s, background 0.2s, color 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--solid { background: var(--petrol); color: var(--paper); }
.btn--ghost { border: 1px solid color-mix(in oklch, var(--ink) 28%, transparent); color: var(--ink); }
.btn--ghost:hover { border-color: var(--oxblood); color: var(--oxblood); }
.btn--amber { background: var(--amber); color: var(--ink); }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100svh; padding: 0 var(--pad);
  display: flex; flex-direction: column; justify-content: center;
  overflow: hidden;
}
.hero__scene { position: absolute; inset: 0; z-index: -1; }
.hero__sky {
  position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 72% 8%, var(--paper) 0%, var(--paper-2) 55%, var(--chrome) 100%);
  transform: translateY(calc(var(--hero, 0) * -70px));
}
.hero__sky::after {
  content: ""; position: absolute; right: 12%; top: 14%; width: 42vw; max-width: 260px; aspect-ratio: 1;
  background: color-mix(in oklch, var(--amber) 42%, transparent); border-radius: 50%; filter: blur(40px);
}
.hero__hills {
  position: absolute; left: 0; right: 0; bottom: 15%; height: 44vh; width: 100%;
  fill: color-mix(in oklch, var(--racing) 26%, transparent);
  transform: translateY(calc(var(--hero, 0) * -34px));
}
.hero__road { position: absolute; left: 0; right: 0; bottom: 0; height: 15%; background: var(--petrol-2); }
.hero__dashes {
  position: absolute; left: 0; right: 0; top: 50%; height: 6px; transform: translateY(-50%);
  background-image: repeating-linear-gradient(to right, var(--chrome) 0 34px, transparent 34px 74px);
  opacity: 0.6;
}
.hero__car {
  position: absolute; left: 4%; bottom: 9%; width: 40vw; max-width: 430px;
  color: var(--oxblood); filter: drop-shadow(0 16px 18px rgba(0,0,0,0.18));
  transform: translateX(calc(var(--hero, 0) * 34%));
}
.hero__wheel { animation: spin 0.7s linear infinite; transform-box: fill-box; transform-origin: center; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero__kicker {
  display: flex; align-items: center; gap: 0.8rem;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--ink-soft);
  margin-bottom: 1.4rem;
}
.hero__kicker .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--amber); }
.hero__title { font-size: var(--f-3xl); font-weight: 700; }
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line--amber { color: var(--oxblood); }
.hero__title .ch { display: inline-block; transform: translateY(110%); transition: transform 0.8s var(--ease); }
body.is-ready .hero__title .ch { transform: translateY(0); }

.hero__foot { margin-top: 2rem; max-width: 54ch; }
.hero__claim { font-size: var(--f-lg); color: var(--ink-soft); }
.hero__claim b { color: var(--ink); }
.hero__actions { margin-top: 1.8rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__scroll {
  position: absolute; left: 50%; bottom: 1.4rem; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.28em; text-transform: uppercase; color: color-mix(in oklch, var(--paper) 80%, transparent);
}
.hero__scroll svg { width: 12px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.4; }

/* ---------- reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); transition-delay: var(--d, 0ms); }
[data-reveal].in { opacity: 1; transform: none; }

/* ---------- tags / titres de section ---------- */
.tag { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--oxblood); }
.tag--light { color: var(--amber); }

/* ---------- LE CLUB ---------- */
.club { padding: var(--section) var(--pad); max-width: 1100px; margin: 0 auto; }
.club__text { margin-top: 1.6rem; font-family: var(--font-display); font-size: var(--f-xl); font-weight: 500; max-width: 22ch; }
.club__text [data-word] { opacity: 0.14; transition: opacity 0.4s var(--ease); }
.club__text [data-word].lit { opacity: 1; }
.club__text [data-word].hot.lit { color: var(--oxblood); }
.club__note {
  margin-top: 2.5rem; max-width: 60ch; padding-left: 1.2rem;
  border-left: 3px solid var(--amber); color: var(--ink-soft);
}
.club__note b { display: block; color: var(--ink); font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 0.4rem; }

/* ---------- CHIFFRES ---------- */
.chiffres { background: var(--petrol-2); color: var(--paper); padding: var(--section) var(--pad); }
.chiffres__grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px; background: color-mix(in oklch, var(--paper) 16%, transparent);
  border: 1px solid color-mix(in oklch, var(--paper) 16%, transparent); border-radius: 14px; overflow: hidden;
}
.stat { background: var(--petrol-2); padding: 1.8rem 1.4rem; }
.stat .num { font-family: var(--font-mono); font-size: var(--f-2xl); font-weight: 600; color: var(--amber); font-variant-numeric: tabular-nums; }
.stat span { display: block; margin-top: 0.5rem; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: color-mix(in oklch, var(--paper) 66%, transparent); }

/* ---------- SORTIES ---------- */
.sorties { padding: var(--section) var(--pad); max-width: 1200px; margin: 0 auto; }
.sorties__head h2 { margin-top: 0.8rem; font-size: var(--f-xl); }
.sorties__grid {
  margin-top: 3rem; display: grid; gap: 2.4rem 2rem;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.carte__img { position: relative; aspect-ratio: 4/3; border-radius: 14px; overflow: hidden; background: var(--paper-2); }
.carte__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.carte:hover .carte__img img { transform: scale(1.05); }
.carte__cat {
  position: absolute; left: 0.7rem; top: 0.7rem;
  background: color-mix(in oklch, var(--paper) 92%, transparent);
  font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.3rem 0.6rem; border-radius: 999px;
}
.carte time { display: block; margin-top: 1rem; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); }
.carte h3 { margin-top: 0.5rem; font-size: var(--f-lg); }
.carte p { margin-top: 0.5rem; color: var(--ink-soft); max-width: 46ch; }

/* ---------- RETRO SHOW ---------- */
.retro { position: relative; isolation: isolate; padding: var(--section) var(--pad); color: var(--paper); overflow: hidden; }
.retro__bg { position: absolute; inset: 0; z-index: -1; }
.retro__bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.15) translateY(calc(var(--retro, 0) * 30px)); }
.retro__bg::after { content: ""; position: absolute; inset: 0; background: color-mix(in oklch, var(--petrol-2) 78%, transparent); }
.retro__inner { max-width: 1100px; margin: 0 auto; }
.retro__inner h2 { margin-top: 1rem; font-size: var(--f-2xl); font-weight: 700; }
.retro__lede { margin-top: 1.4rem; max-width: 54ch; font-size: var(--f-lg); color: color-mix(in oklch, var(--paper) 86%, transparent); }
.retro .btn { margin-top: 2.2rem; }

/* ---------- GALERIE ---------- */
.galerie { padding: var(--section) var(--pad); max-width: 1200px; margin: 0 auto; }
.galerie__head h2 { margin-top: 0.8rem; font-size: var(--f-xl); max-width: 18ch; }
.galerie__masonry { margin-top: 2.5rem; columns: 2; column-gap: 1rem; }
@media (min-width: 780px) { .galerie__masonry { columns: 3; } }
.galerie__masonry figure { break-inside: avoid; margin-bottom: 1rem; border-radius: 12px; overflow: hidden; border: 1px solid color-mix(in oklch, var(--ink) 10%, transparent); }
.galerie__masonry img { width: 100%; transition: transform 0.7s var(--ease); }
.galerie__masonry figure:hover img { transform: scale(1.05); }

/* ---------- BANDE MARQUES ---------- */
.bande { border-top: 1px solid color-mix(in oklch, var(--ink) 10%, transparent); border-bottom: 1px solid color-mix(in oklch, var(--ink) 10%, transparent); background: var(--paper-2); padding: 1.2rem 0; overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); }
.bande__row { display: flex; gap: 2.5rem; white-space: nowrap; width: max-content; animation: marquee 34s linear infinite; will-change: transform; }
.bande__row span { font-family: var(--font-display); font-size: var(--f-lg); color: var(--ink-soft); }
.bande__row i { color: var(--amber); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- CONTACT ---------- */
.contact { padding: var(--section) var(--pad); max-width: 1200px; margin: 0 auto;
  display: grid; gap: 3rem; grid-template-columns: 1.1fr 1fr; align-items: start; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }
.contact__left h2 { margin-top: 1rem; font-size: var(--f-2xl); font-weight: 700; }
.contact__lede { margin-top: 1.4rem; max-width: 46ch; color: var(--ink-soft); font-size: var(--f-lg); }
.contact__list { margin-top: 1.8rem; list-style: none; display: grid; gap: 0.7rem; }
.contact__list li { font-size: var(--f-sm); }
.contact__list span { display: inline-block; min-width: 8.5rem; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); }

.contact__form { background: var(--paper-2); border: 1px solid color-mix(in oklch, var(--ink) 10%, transparent); border-radius: 16px; padding: clamp(1.4rem, 4vw, 2.4rem); }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 0.45rem; }
.field input {
  width: 100%; font: inherit; padding: 0.8rem 0.9rem; border-radius: 10px;
  border: 1px solid color-mix(in oklch, var(--ink) 18%, transparent); background: var(--paper); color: var(--ink);
}
.field input:focus-visible { outline: 2px solid var(--oxblood); outline-offset: 1px; }
.field.invalid input { border-color: var(--oxblood); }

.hold {
  position: relative; width: 100%; margin-top: 0.4rem; padding: 0.95rem 1rem; border: 0;
  border-radius: 999px; background: var(--petrol); color: var(--paper); cursor: pointer;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  overflow: hidden;
}
.hold__fill { position: absolute; inset: 0; background: var(--oxblood); transform: scaleX(0); transform-origin: left; }
.hold.is-holding .hold__fill { transform: scaleX(1); transition: transform 2s linear; }
.hold.is-done { background: var(--racing); }
.hold__label { position: relative; }
.hold__hint { margin-top: 0.7rem; font-size: 0.76rem; color: var(--ink-soft); }
.form__status { margin-top: 0.8rem; font-size: 0.82rem; min-height: 1.2em; }
.form__status.ok { color: var(--racing); }
.form__status.ko { color: var(--oxblood); }

/* ---------- FOOTER ---------- */
.foot { background: var(--ink); color: var(--paper); padding: var(--section) var(--pad) 2.5rem; }
.foot__big {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(2.5rem, 14vw, 9rem);
  line-height: 0.9; letter-spacing: -0.02em; color: color-mix(in oklch, var(--paper) 14%, transparent);
}
.foot__cols { margin-top: 2rem; display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); color: color-mix(in oklch, var(--paper) 72%, transparent); font-size: var(--f-sm); }
.foot__cols a { color: color-mix(in oklch, var(--paper) 80%, transparent); }
.foot__cols a:hover { color: var(--amber); }
.foot__copy { margin-top: 2rem; font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.14em; text-transform: uppercase; color: color-mix(in oklch, var(--paper) 45%, transparent); }
.foot__by { margin-top: 1.4rem; display: flex; align-items: center; gap: 0.6rem; font-size: 0.74rem; color: color-mix(in oklch, var(--paper) 55%, transparent); flex-wrap: wrap; }
.foot__by a { display: inline-flex; align-items: center; gap: 0.5rem; color: color-mix(in oklch, var(--paper) 85%, transparent); text-decoration: none; }
.foot__by img { width: 34px; height: 34px; border-radius: 6px; }
.foot__ext { width: 11px; height: 11px; fill: none; stroke: currentColor; stroke-width: 1.4; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__wheel, .bande__row { animation: none; }
  .hero__sky, .hero__hills, .hero__car, .retro__bg img { transform: none !important; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .hero__title .ch { transform: none; transition: none; }
  .club__text [data-word] { opacity: 1; }
}