/* ==========================================================================
   Van Gogh — Une vie en couleurs
   Architecture : cascade layers → reset · tokens · base · layout · components · sections · utilities
   ========================================================================== */

@layer reset, tokens, base, layout, components, sections, utilities;

/* ---------- RESET ---------- */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  html { -webkit-text-size-adjust: 100%; }
  img, video, canvas, svg { display: block; max-width: 100%; }
  img { height: auto; }
  input, button, select, textarea { font: inherit; color: inherit; }
  button { cursor: pointer; background: none; border: 0; }
  ul[role="list"], ol { list-style: none; padding: 0; }
  address { font-style: normal; }
}

/* ---------- TOKENS ---------- */
@layer tokens {
  :root {
    /* Palette Van Gogh */
    --sunflower: #fdb813;
    --sunflower-deep: #e29a00;
    --night-900: #070b14;
    --night-800: #0b1422;
    --night-700: #13233a;
    --night-600: #1b2f4d;
    --cobalt: #2f6fb3;
    --cypress: #1f4d3a;
    --cream: #f7f0dd;
    --paper: #fffaf0;
    --ink: #101c30;

    /* Typographie */
    --font-display: "Cinzel", Georgia, serif;
    --font-body: "Montserrat", system-ui, sans-serif;
    --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
    --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
    --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
    --step-2: clamp(1.5rem, 1.25rem + 1.1vw, 2.25rem);
    --step-3: clamp(2rem, 1.5rem + 2.4vw, 3.75rem);
    --step-4: clamp(2.8rem, 1.8rem + 5vw, 6.5rem);

    /* Espacements & formes */
    --space-xs: 0.5rem;
    --space-s: 1rem;
    --space-m: 1.5rem;
    --space-l: clamp(2rem, 1.5rem + 2vw, 3rem);
    --space-xl: clamp(4rem, 3rem + 5vw, 8rem);
    --radius-s: 10px;
    --radius-m: 18px;
    --radius-pill: 999px;
    --container: 1200px;
    --header-h: 72px;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  }

  /* Thème nuit (défaut) */
  :root[data-theme="dark"] {
    color-scheme: dark;
    --bg: var(--night-800);
    --bg-alt: var(--night-900);
    --surface: rgb(19 35 58 / 0.72);
    --surface-solid: var(--night-700);
    --border: rgb(255 255 255 / 0.12);
    --text: #eef2f8;
    --text-muted: #a9b6c9;
    --accent: var(--sunflower);
    --accent-contrast: #111;
    --heading: var(--sunflower);
    --sky: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
    --vincent-bg: var(--sunflower);
    --vincent-text: #1a1406;
    --vincent-muted: #4a3b10;
    --shadow: 0 20px 50px rgb(0 0 0 / 0.45);
  }

  /* Thème jour */
  :root[data-theme="light"] {
    color-scheme: light;
    --bg: var(--cream);
    --bg-alt: var(--paper);
    --surface: rgb(255 250 240 / 0.8);
    --surface-solid: #fff;
    --border: rgb(16 28 48 / 0.14);
    --text: var(--ink);
    --text-muted: #4b5870;
    --accent: #1f4f8f;
    --accent-contrast: #fff;
    --heading: #16325c;
    --sky: linear-gradient(180deg, #a9c7e8 0%, #e9dcb5 75%, #f7f0dd 100%);
    --vincent-bg: #f3c233;
    --vincent-text: #1a1406;
    --vincent-muted: #4a3b10;
    --shadow: 0 20px 45px rgb(16 28 48 / 0.18);
  }
}

/* ---------- BASE ---------- */
@layer base {
  html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

  body {
    min-height: 100dvh;
    font-family: var(--font-body);
    font-size: var(--step-0);
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    transition: background-color 0.4s ease, color 0.4s ease;
    overflow-x: clip;
  }

  h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; text-wrap: balance; }
  p { text-wrap: pretty; }

  a { color: inherit; text-underline-offset: 0.2em; }

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

  ::selection { background: var(--sunflower); color: #111; }
}

/* ---------- LAYOUT ---------- */
@layer layout {
  .container {
    width: min(100% - 2rem, var(--container));
    margin-inline: auto;
  }

  section { position: relative; }
}

/* ---------- COMPONENTS ---------- */
@layer components {

  /* Lien d'évitement */
  .skip-link {
    position: fixed; top: 0.5rem; left: 0.5rem; z-index: 100;
    padding: 0.6rem 1rem; border-radius: var(--radius-s);
    background: var(--sunflower); color: #111; font-weight: 700;
    transform: translateY(-150%); transition: transform 0.2s;
    &:focus { transform: none; }
  }

  /* Boutons */
  .btn {
    --btn-bg: transparent;
    --btn-fg: var(--text);
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
    padding: 0.9em 1.8em;
    border-radius: var(--radius-pill);
    border: 2px solid transparent;
    background: var(--btn-bg);
    color: var(--btn-fg);
    font-weight: 700; letter-spacing: 0.04em; text-decoration: none; text-transform: uppercase;
    font-size: var(--step--1);
    transition: transform 0.3s var(--ease-out), background-color 0.3s, box-shadow 0.3s, color 0.3s;
    &:hover { transform: translateY(-2px); }
    &:active { transform: translateY(0); }
  }
  .btn--primary {
    --btn-bg: var(--sunflower);
    --btn-fg: #111;
    box-shadow: 0 8px 24px rgb(253 184 19 / 0.3);
    &:hover { box-shadow: 0 12px 30px rgb(253 184 19 / 0.45); }
  }
  .btn--ghost { border-color: currentColor; }
  .btn--sm { padding: 0.6em 1.2em; }
  .btn--block { width: 100%; }

  .eyebrow {
    font-size: var(--step--1); font-weight: 600;
    letter-spacing: 0.25em; text-transform: uppercase;
    color: var(--text-muted);
  }

  .section-head {
    text-align: center; max-width: 46rem; margin: 0 auto var(--space-l);
    display: grid; gap: var(--space-xs);
  }
  .section-head--left { text-align: left; margin-inline: 0; }
  .section-title { font-size: var(--step-3); color: var(--heading); letter-spacing: 0.04em; }
  .section-sub { color: var(--text-muted); }

  /* Carte "verre" */
  .glass {
    background: var(--surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    padding: var(--space-l);
    box-shadow: var(--shadow);
  }

  .card {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-m);
    padding: var(--space-m);
    box-shadow: var(--shadow);
  }
  .card__title {
    display: flex; align-items: center; gap: 0.6rem;
    font-family: var(--font-display); font-size: var(--step-1); font-weight: 600;
    margin-bottom: var(--space-m); padding: 0;
  }
  .step {
    display: grid; place-items: center; width: 2rem; height: 2rem; flex: none;
    border-radius: 50%; background: var(--sunflower); color: #111;
    font-family: var(--font-body); font-size: 0.95rem; font-weight: 700;
  }

  /* Éclaboussures décoratives */
  .splash {
    position: absolute; z-index: 0; pointer-events: none;
    width: clamp(160px, 22vw, 340px); height: auto; opacity: 0.55;
  }

  /* ---- Navigation ---- */
  .site-header {
    position: fixed; inset: 0 0 auto; z-index: 50;
    height: var(--header-h);
    transition: background-color 0.35s, box-shadow 0.35s, transform 0.4s var(--ease-out);
    color: #fff;
  }
  .site-header.is-scrolled {
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 1px 0 var(--border);
    color: var(--text);
  }
  .site-header.is-hidden { transform: translateY(-100%); }
  /* Mode clair : la marque est posée sur le ciel clair du hero */
  [data-theme="light"] .site-header:not(.is-scrolled) .nav__brand { color: var(--ink); }

  .nav { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-s); }

  .nav__brand {
    position: relative; z-index: 2;
    display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none;
    font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.08em;
    img { border-radius: 8px; }
  }

  .nav__menu { display: flex; align-items: center; gap: var(--space-l); }
  .nav__links {
    display: flex; gap: var(--space-m); list-style: none; padding: 0;
    a {
      position: relative; text-decoration: none; font-weight: 600; font-size: 0.95rem;
      &::after {
        content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px;
        background: var(--sunflower); transform: scaleX(0); transform-origin: right;
        transition: transform 0.35s var(--ease-out);
      }
      &:hover::after, &[aria-current="true"]::after { transform: scaleX(1); transform-origin: left; }
    }
  }
  .nav__tools { display: flex; align-items: center; gap: var(--space-s); }

  .lang-switch {
    display: flex; padding: 3px; border-radius: var(--radius-pill);
    border: 1px solid color-mix(in srgb, currentColor 30%, transparent);
    button {
      padding: 0.25rem 0.65rem; border-radius: var(--radius-pill);
      font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em;
      transition: background-color 0.25s, color 0.25s;
      &[aria-pressed="true"] { background: var(--sunflower); color: #111; }
    }
  }

  .theme-toggle {
    width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
    border: 1px solid color-mix(in srgb, currentColor 30%, transparent);
    transition: transform 0.5s var(--ease-out);
    &:hover { transform: rotate(25deg); }
    svg {
      grid-area: 1 / 1; width: 20px; height: 20px;
      fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round;
      transition: opacity 0.3s, transform 0.5s var(--ease-out);
    }
    .icon-moon { fill: currentColor; stroke: none; }
  }
  [data-theme="dark"] .theme-toggle .icon-moon,
  [data-theme="light"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(-90deg) scale(0.5); }

  .nav__burger {
    display: none; width: 44px; height: 44px; position: relative;
    .nav__burger-bar, .nav__burger-bar::before, .nav__burger-bar::after {
      position: absolute; left: 10px; right: 10px; height: 2px; background: currentColor;
      transition: transform 0.35s var(--ease-out), opacity 0.2s;
    }
    .nav__burger-bar { top: 50%; }
    .nav__burger-bar::before, .nav__burger-bar::after { content: ""; left: 0; right: 0; }
    .nav__burger-bar::before { transform: translateY(-7px); }
    .nav__burger-bar::after { transform: translateY(7px); }
    &[aria-expanded="true"] .nav__burger-bar { background: transparent; }
    &[aria-expanded="true"] .nav__burger-bar::before { transform: rotate(45deg); }
    &[aria-expanded="true"] .nav__burger-bar::after { transform: rotate(-45deg); }
  }

  @media (max-width: 860px) {
    .nav__burger { display: block; z-index: 2; }
    .nav__menu {
      position: fixed; inset: 0; z-index: 1;
      flex-direction: column; justify-content: center; gap: var(--space-l);
      background: var(--bg); color: var(--text);
      clip-path: circle(0 at calc(100% - 40px) 36px);
      visibility: hidden;
      transition: clip-path 0.6s var(--ease-out), visibility 0s 0.6s;
    }
    .nav__menu.is-open {
      clip-path: circle(150% at calc(100% - 40px) 36px);
      visibility: visible;
      transition: clip-path 0.6s var(--ease-out), visibility 0s;
    }
    .site-header:has(.is-open) { color: var(--text); }
    .nav__links { flex-direction: column; align-items: center; gap: var(--space-m); a { font-family: var(--font-display); font-size: var(--step-2); } }
    .nav__tools { flex-wrap: wrap; justify-content: center; }
  }

  /* ---- Indicateur de scroll (repris de la v1) ---- */
  .scroll-indicator {
    position: absolute; bottom: 3rem; left: 50%; translate: -50% 0;
    display: flex; flex-direction: column; align-items: center; padding: 1rem;
    span {
      display: block; width: 22px; height: 22px; margin: -10px;
      border-bottom: 2px solid currentColor; border-right: 2px solid currentColor;
      rotate: 45deg; opacity: 0;
      animation: scroll-wave 2.5s infinite;
      &:nth-child(2) { animation-delay: -0.2s; }
      &:nth-child(3) { animation-delay: -0.4s; }
    }
  }
  @keyframes scroll-wave {
    0% { opacity: 0; transform: translate(-12px, -12px); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: translate(12px, 12px); }
  }

  /* ---- Formulaire ---- */
  fieldset { border: 1px solid var(--border); min-width: 0; }
  .field { display: grid; gap: 0.35rem; margin-bottom: var(--space-m); &:last-child { margin-bottom: 0; } }
  .field-row { display: grid; gap: var(--space-s); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-bottom: var(--space-s); .field { margin: 0; } }
  label, .label { font-weight: 600; font-size: 0.95rem; }

  input[type="text"], input[type="email"], input[type="date"] {
    width: 100%; padding: 0.8rem 1rem;
    border-radius: var(--radius-s);
    border: 1.5px solid var(--border);
    background: var(--bg);
    transition: border-color 0.2s, box-shadow 0.2s;
    &:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
    &:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
    &[aria-invalid="true"] { border-color: #e5484d; }
  }

  .hint { color: var(--text-muted); font-size: var(--step--1); }
  .error { color: #ff6b6b; font-size: var(--step--1); font-weight: 600; min-height: 0; &:empty { display: none; } }
  [data-theme="light"] .error { color: #c62828; }

  .slots { display: flex; flex-wrap: wrap; gap: 0.5rem; }
  .chip {
    position: relative;
    input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
    span {
      display: block; padding: 0.55rem 1.1rem; border-radius: var(--radius-pill);
      border: 1.5px solid var(--border); font-weight: 600; font-variant-numeric: tabular-nums;
      transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    }
    &:hover span { border-color: var(--accent); }
    input:checked + span { background: var(--sunflower); border-color: var(--sunflower); color: #111; }
    input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
    input:disabled + span { opacity: 0.35; text-decoration: line-through; cursor: not-allowed; }
  }

  .tickets-list { display: grid; }
  .ticket-row {
    display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: var(--space-s);
    padding-block: 0.9rem; border-bottom: 1px solid var(--border);
    &:first-child { padding-top: 0; }
    &:last-child { border-bottom: 0; }
    small { display: block; color: var(--text-muted); font-size: var(--step--1); }
  }
  .ticket-row__price { font-weight: 600; color: var(--text-muted); font-variant-numeric: tabular-nums; }

  .stepper {
    display: flex; align-items: center; gap: 0.25rem;
    border: 1.5px solid var(--border); border-radius: var(--radius-pill); padding: 3px;
    button {
      width: 34px; height: 34px; border-radius: 50%; font-size: 1.2rem; line-height: 1;
      transition: background-color 0.2s;
      &:hover:not(:disabled) { background: color-mix(in srgb, var(--sunflower) 35%, transparent); }
      &:disabled { opacity: 0.3; cursor: not-allowed; }
    }
    output { min-width: 1.6ch; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }
  }

  .checkbox {
    display: flex; align-items: center; gap: 0.6rem; font-weight: 500; cursor: pointer;
    input { width: 1.15rem; height: 1.15rem; accent-color: var(--sunflower); }
  }

  /* Modale de confirmation */
  .confirm {
    margin: auto; border: 0; padding: 0; max-width: min(92vw, 440px);
    border-radius: var(--radius-m); background: var(--surface-solid); color: var(--text);
    box-shadow: var(--shadow);
    &::backdrop { background: rgb(7 11 20 / 0.7); backdrop-filter: blur(4px); }
    &[open] { animation: pop 0.45s var(--ease-out); }
  }
  .confirm__inner { padding: var(--space-l); text-align: center; display: grid; gap: var(--space-s); justify-items: center; }
  .confirm__icon {
    display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%;
    background: var(--sunflower); color: #111; font-size: 2rem; font-weight: 700;
  }
  .confirm h3 { font-size: var(--step-2); color: var(--heading); }
  .confirm__ref strong { font-family: ui-monospace, monospace; letter-spacing: 0.08em; }
  @keyframes pop { from { opacity: 0; transform: scale(0.9) translateY(10px); } }
}

/* ---------- SECTIONS ---------- */
@layer sections {

  /* ---- HERO ---- */
  .hero {
    display: grid; grid-template-columns: 1fr 1fr;
    min-height: 100svh;
    background: var(--bg-alt);
  }
  .hero__sky {
    position: relative; overflow: hidden;
    display: grid; place-items: center;
    padding: calc(var(--header-h) + var(--space-l)) var(--space-l) 8rem;
    background: var(--sky);
    color: #fff;
  }
  [data-theme="light"] .hero__sky { color: var(--ink); background: #3f82c4; }
  .hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

  /* Mode jour : voile crème derrière le texte pour rester lisible sur le ciel peint */
  [data-theme="light"] .hero__content::before {
    content: ""; position: absolute; z-index: -1;
    inset: -2.5rem -3rem;
    background: radial-gradient(closest-side, rgb(255 250 235 / 0.88), rgb(255 250 235 / 0.6) 60%, transparent);
    filter: blur(6px);
  }
  @media (max-width: 600px) {
    [data-theme="light"] .hero__content::before { inset: -1.5rem -1rem; }
  }

  .hero__content { position: relative; z-index: 1; text-align: center; display: grid; gap: var(--space-m); justify-items: center; }
  .hero__content .eyebrow { color: inherit; opacity: 0.8; }

  .hero__title {
    font-size: var(--step-4); font-weight: 700; letter-spacing: 0.02em;
    color: var(--sunflower);
    text-shadow: 0 4px 30px rgb(253 184 19 / 0.25);
  }
  [data-theme="light"] .hero__title { color: #16325c; text-shadow: none; }
  .hero__line { display: block; }

  .hero__subtitle {
    font-family: var(--font-display); font-size: var(--step-2); letter-spacing: 0.12em;
  }
  .hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-s); justify-content: center; margin-top: var(--space-s); }

  .hero__media {
    position: relative; overflow: hidden;
    video { width: 100%; height: 100%; object-fit: cover; }
    &::after { /* léger fondu vers la colonne gauche */
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgb(9 10 15 / 0.35), transparent 25%);
      pointer-events: none;
    }
  }

  @media (max-width: 860px) {
    .hero { grid-template-columns: 1fr; }
    .hero__sky { min-height: 100svh; }
    .hero__media { height: 70svh; &::after { background: linear-gradient(180deg, rgb(9 10 15 / 0.35), transparent 25%); } }
  }

  /* ---- CITATION ---- */
  .quote-band {
    background: #000; color: #fff;
    padding: var(--space-xl) 1rem;
    text-align: center;
    blockquote { max-width: 60rem; margin-inline: auto; }
  }
  .quote-band__text {
    font-family: var(--font-display); font-size: var(--step-3); line-height: 1.2;
    .word { display: inline-block; }
  }
  .quote-band__author { margin-top: var(--space-m); color: var(--sunflower); letter-spacing: 0.15em; font-size: var(--step--1); text-transform: uppercase; }

  /* ---- EXPOSITION ---- */
  .exhibition {
    padding-block: var(--space-xl);
    background:
      linear-gradient(180deg, var(--bg) 0%, transparent 18%, transparent 82%, var(--bg) 100%),
      url("assets/img/starry-sea.webp") center / cover no-repeat;
    overflow: hidden;
    color: #eef2f8;
    .container { position: relative; z-index: 1; }
    .section-title { color: var(--sunflower); }
    .eyebrow { color: #c9d4e4; }
    .glass { background: rgb(10 20 50 / 0.55); border-color: rgb(255 255 255 / 0.12); }
  }
  [data-theme="light"] .exhibition {
    color: var(--ink);
    background:
      linear-gradient(180deg, var(--bg) 0%, rgb(247 240 221 / 0.7) 20%, rgb(247 240 221 / 0.7) 80%, var(--bg) 100%),
      url("assets/img/starry-sea.webp") center / cover no-repeat;
    .section-title { color: var(--heading); }
    .eyebrow { color: var(--text-muted); }
    .glass { background: rgb(255 250 240 / 0.82); border-color: var(--border); }
    .feature { background: rgb(255 250 240 / 0.7); }
    .feature p { color: var(--text-muted); }
  }
  .splash--blue { top: 8%; left: -60px; }
  .splash--orange { bottom: 12%; right: -60px; }

  .exhibition__grid {
    display: grid; gap: var(--space-m);
    grid-template-columns: 1fr 1.4fr; align-items: start;
  }
  .exhibition__lead p { font-size: var(--step-1); font-weight: 500; line-height: 1.5; }
  .exhibition__lead { border-left: 4px solid var(--sunflower); }
  .exhibition__body { display: grid; gap: var(--space-s); }

  .features {
    display: grid; gap: var(--space-m); margin-block: var(--space-l);
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  }
  .feature {
    padding: var(--space-m); border-radius: var(--radius-m);
    border: 1px solid rgb(255 255 255 / 0.14); background: rgb(7 11 20 / 0.45);
    display: grid; gap: 0.4rem;
    transition: transform 0.4s var(--ease-out), border-color 0.3s;
    &:hover { transform: translateY(-6px); border-color: var(--sunflower); }
    h3 { font-size: var(--step-1); }
    p { color: #c9d4e4; font-size: 0.95rem; }
  }
  .feature__icon { font-size: 1.6rem; color: var(--sunflower); line-height: 1; }

  .exhibition__gallery {
    display: grid; gap: var(--space-m);
    grid-template-columns: repeat(3, 1fr); align-items: center;
  }
  .photo {
    overflow: hidden; border-radius: var(--radius-m); box-shadow: var(--shadow);
    aspect-ratio: 4 / 3;
    img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out), filter 0.4s; filter: saturate(0.95); }
    &:hover img { transform: scale(1.06); filter: saturate(1.15); }
  }
  .photo--tall { aspect-ratio: 3 / 4; }

  @media (max-width: 860px) {
    .exhibition__grid { grid-template-columns: 1fr; }
    .exhibition__gallery { grid-template-columns: 1fr; }
    .photo--tall { aspect-ratio: 4 / 3; }
  }

  /* ---- VINCENT ---- */
  .vincent {
    padding-block: var(--space-xl);
    background: var(--vincent-bg); color: var(--vincent-text);
    overflow: hidden;
    .section-title { color: var(--vincent-text); }
    .eyebrow { color: var(--vincent-muted); }
  }
  .splash--yellow { top: -40px; right: 5%; opacity: 0.35; mix-blend-mode: multiply; }

  .vincent__layout {
    position: relative; z-index: 1;
    display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-xl);
    align-items: start;
  }
  .vincent__lead { font-size: var(--step-1); line-height: 1.5; max-width: 34rem; }

  .vincent__paintings {
    display: grid; grid-template-columns: 1fr 1.25fr; gap: var(--space-m);
    margin-top: var(--space-l); align-items: start;
  }
  .painting {
    img {
      width: 100%; border-radius: 4px;
      box-shadow: 0 0 0 10px #2a1d05, 0 25px 50px rgb(0 0 0 / 0.35);
    }
    figcaption { margin-top: 1.1rem; font-size: var(--step--1); font-weight: 600; color: var(--vincent-muted); font-style: italic; }
  }
  .painting--offset { margin-top: 5rem; }

  .timeline {
    position: relative; display: grid; gap: var(--space-m);
    padding-left: 2rem;
    &::before { /* ligne de fond */
      content: ""; position: absolute; left: 0.45rem; top: 0.5rem; bottom: 0.5rem; width: 2px;
      background: rgb(26 20 6 / 0.2);
    }
    &::after { /* ligne de progression pilotée par JS */
      content: ""; position: absolute; left: 0.45rem; top: 0.5rem; width: 2px;
      height: calc((100% - 1rem) * var(--progress, 1));
      background: var(--vincent-text);
    }
  }
  .timeline__item {
    position: relative;
    display: grid; grid-template-columns: 4.5rem 1fr; gap: var(--space-s);
    &::before {
      content: ""; position: absolute; left: calc(-2rem + 0.1rem); top: 0.35rem;
      width: 0.9rem; height: 0.9rem; border-radius: 50%;
      background: var(--vincent-bg); border: 2px solid var(--vincent-text); z-index: 1;
    }
    h3 { font-size: var(--step-1); margin-bottom: 0.2rem; }
    p { font-size: 0.97rem; color: var(--vincent-muted); }
  }
  .timeline__year { font-family: var(--font-display); font-weight: 700; font-size: var(--step-1); line-height: 1.1; }

  @media (max-width: 960px) {
    .vincent__layout { grid-template-columns: 1fr; gap: var(--space-l); }
  }
  @media (max-width: 520px) {
    .timeline__item { grid-template-columns: 1fr; gap: 0.2rem; }
    .painting--offset { margin-top: 2.5rem; }
  }

  /* ---- BILLETS ---- */
  .tickets { padding-block: var(--space-xl); background: var(--bg); }

  .booking {
    display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--space-m); align-items: start;
  }
  .booking__fields { display: grid; gap: var(--space-m); }

  .summary {
    position: sticky; top: calc(var(--header-h) + 1rem);
    .card__title { margin-bottom: var(--space-s); }
  }
  .summary__list {
    display: grid; gap: 0.6rem; margin-bottom: var(--space-m);
    div { display: flex; justify-content: space-between; gap: var(--space-s); }
    dt { color: var(--text-muted); }
    dd { font-weight: 600; text-align: right; }
  }
  .summary__total {
    display: flex; justify-content: space-between; align-items: baseline;
    border-top: 1px dashed var(--border); padding-top: var(--space-s); margin-bottom: var(--space-m);
    strong { font-family: var(--font-display); font-size: var(--step-2); color: var(--heading); font-variant-numeric: tabular-nums; }
  }
  .summary__note { margin-top: 0.75rem; text-align: center; color: var(--text-muted); font-size: var(--step--1); }

  @media (max-width: 860px) {
    .booking { grid-template-columns: 1fr; }
    .summary { position: static; }
  }

  /* ---- FOOTER ---- */
  .site-footer {
    background: #000; color: #d7dde7;
    padding-top: var(--space-xl);
    a { text-decoration: none; &:hover { color: var(--sunflower); } }
  }
  .site-footer__grid {
    display: grid; gap: var(--space-l);
    grid-template-columns: 2fr 1.5fr 1fr;
    padding-bottom: var(--space-l);
    .nav__brand { color: #fff; }
  }
  .site-footer__tagline { margin-top: var(--space-s); color: #8f9bb0; max-width: 22rem; }
  .site-footer__title { font-size: var(--step-0); color: var(--sunflower); letter-spacing: 0.15em; margin-bottom: var(--space-xs); }
  .site-footer__bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-s);
    border-top: 1px solid rgb(255 255 255 / 0.1);
    padding-block: var(--space-m);
    font-size: var(--step--1); color: #8f9bb0;
  }
  @media (max-width: 760px) { .site-footer__grid { grid-template-columns: 1fr; } }
}

/* ---------- UTILITIES ---------- */
@layer utilities {
  .sr-only {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  }
}