:root {
  /* Palette provisoire issue du dossier d’ouverture Instagram. */
  color-scheme: dark;
  --ink: #0a0a09;
  --paper: #ece8de;
  --muted: #aaa69d;
  --line: rgba(236, 232, 222, 0.46);
  --line-soft: rgba(236, 232, 222, 0.18);
  --sans: "Arial Narrow", "Aptos Narrow", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-synthesis: none;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px) 0 0 / 100% 25vh,
    var(--ink);
}

/* Cadre documentaire principal. */

a {
  color: inherit;
  text-decoration-color: var(--line);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}

a:hover {
  text-decoration-color: var(--paper);
}

a:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 5px;
}

p,
h1 {
  margin: 0;
}

.page-shell {
  display: grid;
  min-height: 100vh;
  padding: clamp(18px, 3vw, 48px);
}

.archive {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  grid-template-rows: auto minmax(31vh, auto) auto auto auto;
  width: min(100%, 1440px);
  min-height: calc(100vh - clamp(36px, 6vw, 96px));
  margin: auto;
  border: 1px solid var(--line);
}

.archive__header,
.archive__identity,
.archive__statement,
.archive__method,
.archive__notice,
.archive__tools,
.archive__contacts,
.archive__footer {
  padding: clamp(20px, 3vw, 48px);
}

/* En-tête de classement. */

.archive__header {
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: clamp(0.64rem, 0.6rem + 0.12vw, 0.76rem);
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-transform: uppercase;
}

.archive__status {
  color: var(--muted);
  text-align: right;
}

.archive__identity {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* Identité et hiérarchie éditoriale. */

.archive__identity h1 {
  max-width: 8ch;
  font-size: clamp(4rem, 12vw, 11rem);
  font-stretch: condensed;
  font-weight: 700;
  letter-spacing: -0.065em;
  line-height: 0.78;
}

.archive__descriptor {
  max-width: 38ch;
  margin-top: clamp(28px, 5vw, 64px);
  font-size: clamp(1rem, 0.86rem + 0.55vw, 1.45rem);
  letter-spacing: 0.015em;
  line-height: 1.35;
}

.archive__statement {
  display: flex;
  align-items: flex-end;
  border-bottom: 1px solid var(--line);
}

.archive__statement p {
  font-size: clamp(1.55rem, 1.1rem + 1.8vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.archive__method {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.archive__method p {
  font-size: clamp(2rem, 1.35rem + 2.4vw, 4.8rem);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.archive__notice {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(42px, 8vh, 96px);
  border-bottom: 1px solid var(--line);
}

.archive__notice > p:last-child {
  max-width: 24ch;
  font-size: clamp(1.18rem, 1rem + 0.6vw, 1.7rem);
  line-height: 1.32;
}

.archive__tools {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(32px, 6vw, 96px);
  border-bottom: 1px solid var(--line);
}

.archive__tools h2 {
  max-width: 24ch;
  margin: clamp(30px, 5vw, 64px) 0 0;
  font-size: clamp(1.8rem, 1.2rem + 1.9vw, 3.8rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.archive__tools-access {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 48px;
  padding-left: clamp(0px, 3vw, 48px);
  border-left: 1px solid var(--line);
}

.archive__tools-access p {
  font-family: var(--mono);
  font-size: clamp(0.78rem, 0.72rem + 0.25vw, 1rem);
  letter-spacing: 0.06em;
  line-height: 1.65;
  text-transform: uppercase;
}

.archive__tools-access a {
  align-self: flex-start;
  font-size: clamp(1.15rem, 1rem + 0.4vw, 1.5rem);
}

.archive__label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  line-height: 1.5;
}

.archive__contacts {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px 48px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1rem, 0.9rem + 0.35vw, 1.3rem);
}

/* Adaptation mobile : une seule colonne, sans débordement horizontal. */

.archive__footer {
  display: flex;
  grid-column: 1 / -1;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: clamp(0.56rem, 0.52rem + 0.12vw, 0.68rem);
  letter-spacing: 0.1em;
  line-height: 1.6;
  text-transform: uppercase;
}

.archive__footer p:last-child {
  text-align: right;
}

@media (max-width: 760px) {
  body {
    background: var(--ink);
  }

  .page-shell {
    display: block;
    padding: 12px;
  }

  .archive {
    display: block;
    min-height: calc(100vh - 24px);
  }

  .archive__header,
  .archive__identity,
  .archive__statement,
  .archive__method,
  .archive__notice,
  .archive__tools,
  .archive__contacts,
  .archive__footer {
    padding: 22px 18px;
  }

  .archive__header,
  .archive__footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .archive__status,
  .archive__footer p:last-child {
    text-align: left;
  }

  .archive__identity,
  .archive__method {
    border-right: 0;
  }

  .archive__identity {
    min-height: 360px;
    padding-top: 86px;
  }

  .archive__identity h1 {
    font-size: clamp(4.25rem, 23vw, 7rem);
  }

  .archive__statement,
  .archive__method,
  .archive__notice {
    min-height: 0;
  }

  .archive__tools {
    display: block;
  }

  .archive__tools-access {
    margin-top: 42px;
    padding-top: 28px;
    padding-left: 0;
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .archive__method {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .archive__contacts {
    flex-direction: column;
  }
}

/* La page ne contient pas d’animation, cette règle protège les évolutions futures. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}