:root {
  /* Palette A, Glacier et vin — choix de Jérémi, Adobe Color Slowear 1.0. */
  --paper: #ced7ec;
  --paper-2: #b1ccf0;
  --ink: #4e1d35;
  --carbon: #4e1d35;
  --ink-soft: #5e495f;
  --accent: #4e1d35;
  --brass: #b1ccf0; /* Alias historique : accent clair sur les chapitres sombres. */
  --line: rgba(78, 29, 53, 0.2);
  --line-light: rgba(206, 215, 236, 0.3);
  --display: "Instrument Serif", Georgia, serif;
  --text: "Hanken Grotesk", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 78rem;
  --measure: 70ch;
}

* { box-sizing: border-box; }

html {
  max-width: 100%;
  overflow-x: clip;
  background: var(--paper);
  color-scheme: light;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 0;
  max-width: 100%;
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.68 var(--text);
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: rgba(78, 29, 53, 0.2);
}

::selection { background: var(--ink); color: var(--paper); }
:is(.section--dark,.selected-project--astra,.project-row--client) ::selection { background: var(--paper); color: var(--ink); }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--accent); }
a:focus-visible,
summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
img, video { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 0.9rem;
  transform: translateY(-150%);
  background: var(--ink);
  color: var(--paper);
  font: 600 0.76rem/1 var(--mono);
  text-decoration: none;
}
.skip-link:focus { transform: translateY(0); }

.shell {
  width: min(100% - clamp(2rem, 8vw, 9rem), var(--max));
  margin-inline: auto;
}

.site-head {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.site-head__inner {
  display: grid;
  grid-template-columns: minmax(9rem, 1fr) auto;
  align-items: center;
  min-height: 4.75rem;
  gap: 2rem;
}

.brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font: 400 1.35rem/1 var(--display);
  letter-spacing: -0.015em;
  text-decoration: none;
}

.site-head.has-service-context .brand,
.service-context-return {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  transition: opacity 150ms ease, transform 150ms ease;
}

.service-context-return {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font: 600 .68rem/1.2 var(--mono);
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transform: translateY(.25rem);
}

.site-head.is-service-return-visible .brand {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-.25rem);
}

.site-head.is-service-return-visible .service-context-return {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.service-context-return:hover { text-decoration: underline; text-underline-offset: .35em; }
.service-context-return:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }

.site-menu summary {
  display: none;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  color: var(--accent);
  font: 500 0.68rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  list-style: none;
}
.site-menu summary::-webkit-details-marker { display: none; }

.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); }
.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--ink-soft);
  font: 500 0.68rem/1.2 var(--mono);
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--accent); }

.service-hero {
  min-height: min(49rem, calc(100svh - 4.75rem));
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(18rem, 0.65fr);
  grid-template-rows: 1fr auto;
  column-gap: clamp(2.5rem, 8vw, 8rem);
  padding-block: clamp(4.5rem, 11vh, 8rem) 2rem;
}

.service-hero h1 {
  align-self: center;
  max-width: 11ch;
  margin: 0;
  font: 400 clamp(4.2rem, 9.2vw, 8.8rem) / 0.83 var(--display);
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.service-hero h1 em { color: var(--accent); font-weight: 400; }

.service-hero__intro {
  align-self: end;
  padding-bottom: clamp(1rem, 4vh, 3rem);
}
.service-hero__intro p {
  max-width: 34ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.55;
}
.service-hero__intro strong { color: var(--ink); font-weight: 600; }

.service-hero__meta {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font: 500 0.66rem/1.4 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.button-line {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  margin-top: 1.8rem;
  padding: 0.25rem 0;
  color: var(--ink);
  font: 600 0.72rem/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}
.button-line::after { content: "↗"; margin-left: 0.65rem; color: var(--accent); }

.service-back { padding-top:clamp(1rem,2vw,1.5rem); }
.service-back a { display:inline-flex; min-height:44px; align-items:center; padding:.25rem 1rem; border:1px solid var(--line); color:var(--ink); font:600 .68rem/1.2 var(--mono); letter-spacing:.08em; text-decoration:none; text-transform:uppercase; }
.service-back a:hover { background:var(--ink); color:var(--paper); }

.hero-proof {
  position: relative;
  min-height: clamp(24rem, 65vw, 50rem);
  overflow: hidden;
  background: var(--carbon);
}
.hero-proof img,
.hero-proof video { width: 100%; height: 100%; object-fit: cover; }
.hero-proof img { position: absolute; inset: 0; }
.hero-proof__caption {
  position: absolute;
  right: clamp(1rem, 4vw, 3.5rem);
  bottom: clamp(1rem, 4vw, 3rem);
  max-width: 28rem;
  padding: 1rem 1.2rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.9rem;
}
.hero-proof__caption strong { display: block; margin-bottom: 0.25rem; color: var(--brass); font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; }

.section { padding-block: clamp(5rem, 10vw, 9rem); }
.section--pale { background: var(--paper-2); }
.section--dark { background: var(--carbon); color: var(--paper); }

.statement {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: start;
}
.statement h2,
.proof-feature h2,
.project-intro h1,
.closing h2 {
  max-width: 11ch;
  margin: 0;
  font: 400 clamp(3rem, 6vw, 6rem) / 0.92 var(--display);
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.statement h2 em,
.project-intro h1 em { color: var(--accent); font-weight: 400; }
.statement__body { max-width: var(--measure); }
.statement__body > p:first-child { margin-top: 0; color: var(--ink); font-size: clamp(1.15rem, 1.8vw, 1.4rem); line-height: 1.5; }
.statement__body p { color: var(--ink-soft); }

.deliverables {
  margin: clamp(3rem, 7vw, 6rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}
.deliverables li {
  display: grid;
  grid-template-columns: minmax(10rem, 0.5fr) minmax(0, 1fr);
  gap: 2rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}
.deliverables strong { font: 500 1.05rem/1.35 var(--text); }
.deliverables span { max-width: 55ch; color: var(--ink-soft); }

.proof-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
.proof-feature__media { min-height: clamp(26rem, 52vw, 44rem); background: var(--carbon); overflow: hidden; }
.proof-feature__media img,
.proof-feature__media video { width: 100%; height: 100%; min-height: inherit; object-fit: cover; }
.proof-feature__copy p { max-width: 42ch; color: var(--paper); }
.proof-feature__label {
  display: inline-block;
  margin-bottom: 1.4rem;
  padding-bottom: 0.35rem;
  color: var(--brass);
  font: 500 0.66rem/1.3 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.section--dark .button-line { color: var(--paper); }

.process { display: grid; grid-template-columns: minmax(14rem, 0.5fr) minmax(0, 1fr); gap: clamp(2rem, 8vw, 8rem); }
.process h2 { max-width: 8ch; margin: 0; font: 400 clamp(3rem, 5.5vw, 5.5rem)/0.94 var(--display); letter-spacing: -0.03em; }
.process ol { margin: 0; padding: 0; list-style: none; counter-reset: process; border-top: 1px solid var(--line); }
.process li { counter-increment: process; display: grid; grid-template-columns: 3rem minmax(10rem, 0.45fr) minmax(0, 1fr); gap: 1rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.process li::before { content: counter(process, decimal-leading-zero); color: var(--accent); font: 500 0.68rem/1.5 var(--mono); }
.process strong { font-size: 1.02rem; }
.process span { color: var(--ink-soft); }

.method-note {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(18rem, 1.3fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
}
.method-note__mark { color: var(--brass); font: 400 clamp(6rem, 16vw, 14rem)/0.68 var(--display); letter-spacing: -0.04em; }
.method-note h2 { max-width: 13ch; margin: 0; font: 400 clamp(2.7rem, 5vw, 5rem)/0.95 var(--display); letter-spacing: -0.03em; }
.method-note p { max-width: 56ch; color: var(--paper); }

.scope-note { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(18rem, 1.3fr); gap: clamp(2rem, 8vw, 8rem); padding-top: 2rem; border-top: 1px solid var(--line); }
.scope-note h2 { margin: 0; font: 400 clamp(2rem, 4vw, 3.5rem)/1 var(--display); }
.scope-note p { max-width: var(--measure); margin-top: 0; color: var(--ink-soft); }

.service-links { padding-block: clamp(4rem, 8vw, 7rem); border-top: 1px solid var(--line); }
.service-links h2 { max-width: 16ch; margin: 0 0 2.5rem; font: 400 clamp(2.5rem, 5vw, 4.8rem)/0.95 var(--display); letter-spacing: -0.03em; }
.service-links__list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.service-links__list a { display: grid; grid-template-columns: 2.8rem 1fr auto; align-items: center; gap: 1rem; min-height: 4.5rem; border-bottom: 1px solid var(--line); text-decoration: none; }
.service-links__list span:first-child { color: var(--accent); font: 500 0.66rem/1 var(--mono); }
.service-links__list strong { font-size: clamp(1rem, 2vw, 1.2rem); }
.service-links__list span:last-child { color: var(--accent); }

.project-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr); gap: clamp(2rem, 8vw, 8rem); align-items: end; padding-block: clamp(5rem, 11vw, 9rem); }
.project-intro p { max-width: 38ch; margin: 0; color: var(--ink-soft); font-size: 1.08rem; }
.legend { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.legend div { padding: 1.25rem; }
.legend div + div { border-left: 1px solid var(--line); }
.legend strong { display: block; color: var(--accent); font: 500 0.66rem/1.2 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.legend span { display: block; margin-top: 0.4rem; color: var(--ink-soft); font-size: 0.9rem; }

.project-list { display: grid; gap: clamp(4.5rem, 7vw, 7rem); }
.project-row {
  --project-ratio: 4 / 3;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  min-height: 0;
  padding-block: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.project-row--client { --project-ratio: 1 / 1; }
.project-row--faham { --project-ratio: 16 / 9; }
.project-row--ocha { --project-ratio: 900 / 1117; }
.project-row--vulkano { --project-ratio: 1 / 1; }
.project-row__media { align-self: center; aspect-ratio: var(--project-ratio); overflow: hidden; background: var(--carbon); }
.project-row__media img,
.project-row__media video { width: 100%; height: 100%; object-fit: cover; transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1); }
@media (hover: hover) and (pointer: fine) {
  .project-row:hover .project-row__media :is(img, video) { transform: scale(1.025); }
}
.project-row__copy { display: flex; flex-direction: column; justify-content: space-between; gap: clamp(4rem, 8vw, 7rem); padding: clamp(2rem, 5vw, 4rem); }
.project-row__label { align-self: start; padding-bottom: 0.3rem; color: var(--accent); font: 500 0.66rem/1.2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.project-row h2 { max-width: 12ch; margin: 2rem 0 0; font: 400 clamp(3.2rem, 6vw, 5.8rem)/0.88 var(--display); letter-spacing: -0.035em; text-wrap: balance; }
.project-row__details { max-width: 48ch; }
.project-row__details p { color: var(--ink-soft); }
.project-row__links { display: flex; flex-wrap: wrap; gap: 0.7rem 1.5rem; }
.project-row--client { min-height: 0; }
.project-row--client .project-row__copy { background: var(--carbon); color: var(--paper); }
.project-row--client .project-row__label { color: var(--brass); border-color: var(--brass); }
.project-row--client .project-row__details p { color: var(--paper); }
.project-row--client .button-line { color: var(--paper); }
.project-row--client .button-line:hover,
.project-row--client .button-line:focus-visible { color: var(--brass); }
.project-row--client .button-line:focus-visible { outline-color: var(--brass); }

.lab { display: grid; grid-template-columns: minmax(14rem, 0.55fr) minmax(0, 1.45fr); gap: clamp(2rem, 8vw, 8rem); }
.lab h2 { margin: 0; font: 400 clamp(3rem, 6vw, 6rem)/0.9 var(--display); letter-spacing: -0.03em; }
.lab__items { border-top: 1px solid var(--line-light); }
.lab__item { display: grid; grid-template-columns: minmax(10rem, 0.45fr) 1fr; gap: 2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line-light); }
.lab__item strong { color: var(--brass); font-weight: 500; }
.lab__item p { margin: 0; color: var(--paper); }

.closing { padding-block: clamp(6rem, 12vw, 11rem); }
.closing__inner { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr); gap: clamp(2rem, 8vw, 8rem); align-items: end; }
.closing p { max-width: 38ch; margin: 0; color: var(--ink-soft); font-size: 1.08rem; }

.site-foot { border-top: 1px solid var(--line); }
.site-foot__inner { display: grid; grid-template-columns: 1fr auto; gap: 2rem; padding-block: 1.5rem 2rem; color: var(--ink-soft); font: 500 0.65rem/1.6 var(--mono); letter-spacing: 0.07em; text-transform: uppercase; }
.site-foot nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.5rem 1.4rem; }
.site-foot a { min-height: 44px; display: inline-flex; align-items: center; text-decoration: none; }

@keyframes proof-enter {
  from { clip-path: inset(0 0 100% 0); }
  to { clip-path: inset(0); }
}
.hero-proof { animation: proof-enter 900ms cubic-bezier(0.22, 1, 0.36, 1) 120ms both; }

@media (max-width: 1024px) {
  .project-list { gap: clamp(3.5rem, 8vw, 5rem); }
  .project-row { grid-template-columns: 1fr; padding-block: 1.25rem; }
  .project-row__media { min-height: 0; width: 100%; }
  .project-row__copy { min-height: 0; gap: clamp(3rem, 8vw, 5rem); }
}

@media (max-width: 860px) {
  .site-head__inner { grid-template-columns: 1fr auto; }
  .site-menu { position: relative; }
  .site-menu summary { display: inline-flex; }
  .site-menu:not([open]) .site-nav { display: none; }
  .site-nav {
    position: absolute;
    top: calc(100% + 0.7rem);
    right: 0;
    width: min(88vw, 24rem);
    display: grid;
    gap: 0;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--line);
    background: var(--paper);
    box-shadow: 0 1.25rem 2.5rem rgba(78, 29, 53, 0.14);
  }
  .site-nav a + a { border-top: 1px solid var(--line); }
  .service-hero,
  .statement,
  .proof-feature,
  .process,
  .method-note,
  .scope-note,
  .project-intro,
  .closing__inner,
  .lab { grid-template-columns: 1fr; }
  .service-hero { min-height: auto; grid-template-rows: auto; padding-top: 4.5rem; }
  .service-hero h1 { align-self: auto; }
  .service-hero__intro { padding: 0; }
  .service-hero__meta { margin-top: 2rem; }
  .proof-feature__copy { padding-block: 1rem 0; }
  .method-note__mark { line-height: 0.8; }
  .project-row { grid-template-columns: 1fr; }
  .project-row__media { min-height: 0; }
  .project-row__copy { min-height: 0; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 2rem, var(--max)); }
  .brand { font-size: 1.18rem; }
  .service-hero h1 { font-size: clamp(3.6rem, 19vw, 5.6rem); }
  .service-hero__meta { align-items: flex-start; flex-direction: column; }
  .hero-proof { min-height: 30rem; }
  .hero-proof__caption { left: 1rem; right: 1rem; }
  .deliverables li,
  .process li,
  .lab__item { grid-template-columns: 1fr; gap: 0.45rem; }
  .process li::before { margin-bottom: 0.25rem; }
  .legend { grid-template-columns: 1fr; }
  .legend div + div { border-top: 1px solid var(--line); border-left: 0; }
  .project-list { gap: 3.5rem; }
  .project-row__media { min-height: 0; }
  .project-row__copy { min-height: 0; gap: 2.75rem; padding: 2rem 1.25rem 2.5rem; }
  .site-foot__inner { grid-template-columns: 1fr; }
  .site-foot nav { justify-content: flex-start; }
}

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

@media print {
  .site-menu, .button-line, .service-context-return { display: none; }
  .hero-proof, .proof-feature__media, .project-row__media { min-height: 16rem; break-inside: avoid; }
}