/* JCode Studio — feuille de style principale

   Le design vient de Claude Design et s'intègre à la main. La maquette est
   dessinée pour une fenêtre de 1280 px ; les points de rupture ci-dessous
   n'en font pas partie et adaptent la page aux écrans plus étroits.

   Sommaire
   1. Polices
   2. Jetons de couleur (thème clair / sombre)
   3. Réinitialisation et base
   4. Commun à toutes les pages
   5. En-tête et navigation
   6. Sections de la page d'accueil
   7. Pages secondaires
   8. Points de rupture
*/

/* ═══════════ 1. Polices ═══════════ */

/* Auto-hébergées (cf. README.md) ; sous-ensemble latin uniquement. */
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url('/assets/fonts/newsreader-var.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/assets/fonts/ibm-plex-sans-var.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/ibm-plex-mono-400.woff2') format('woff2');
}

/* ═══════════ 2. Jetons de couleur ═══════════ */

/* --surface est dupliqué dans les balises `theme-color` du <head> et dans
   CHROME_COLORS (main.js) : garder les trois synchronisés. */
:root,
[data-theme='clair'] {
  --surface: #faf7f0;
  --surface-2: #f5f0e5;
  --surface-3: #f3ede1;
  --surface-4: #f7f3ea;
  --line: #ede5d6;
  --line-2: #e7decb;
  --line-3: #efe7d8;
  --line-4: #e2daca;
  --ink: #241f1a;
  --ink-2: #4c4438;
  --ink-3: #5e574a;
  --muted: #857c6b;
  --accent: #a9502d;
  --accent-solid: #a9502d;
  --accent-solid-ink: #faf7f0;
  --accent-solid-hover: #8f4325;
  --btn-bg: #1f1d1a;
  --btn-ink: #faf7f0;
  --btn-bg-hover: #3a342e;
  --ghost-border: #d8cebb;
  --ghost-border-hover: #c6baa3;
  --ghost-hover-bg: #f0eadd;
  --inv-bg: #1f1d1a;
  --inv-ink: #faf7f0;
  --inv-ink-2: #d5ccb9;
  --inv-muted: #9a9284;
  --inv-line: #3d3833;
  --inv-accent: #e9b491;
  --nav-bg: rgba(250, 247, 240, .92);
  --overlay: rgba(233, 229, 220, .62);
  --seg-shadow: 0 1px 2px rgba(0, 0, 0, .14);
}

[data-theme='sombre'] {
  --surface: #191713;
  --surface-2: #201d18;
  --surface-3: #231f1a;
  --surface-4: #221e19;
  --line: #2e2924;
  --line-2: #332d26;
  --line-3: #332d26;
  --line-4: #38312a;
  --ink: #f2ede3;
  --ink-2: #cdc5b6;
  --ink-3: #b7ae9e;
  --muted: #8c8474;
  --accent: #e9b491;
  --accent-solid: #b85a33;
  --accent-solid-ink: #fff4ec;
  --accent-solid-hover: #ce6939;
  --btn-bg: #efe8db;
  --btn-ink: #191713;
  --btn-bg-hover: #fffcf5;
  --ghost-border: #3b342c;
  --ghost-border-hover: #544a3e;
  --ghost-hover-bg: #241f1a;
  --inv-bg: #0f0e0b;
  --inv-ink: #f7f3ea;
  --inv-ink-2: #cdc5b6;
  --inv-muted: #928a7b;
  --inv-line: #2a251f;
  --inv-accent: #e9b491;
  --nav-bg: rgba(25, 23, 19, .93);
  --overlay: rgba(15, 14, 11, .6);
}

:root {
  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Menlo, monospace;
  --gutter: 56px;
  --page-max: 1280px;
  --nav-height: 58px;
}

/* ═══════════ 3. Réinitialisation et base ═══════════ */

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

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
  background: var(--surface);
  color: var(--ink);
  transition: background .25s ease, color .25s ease;
}

svg { display: block; }

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ═══════════ 4. Commun à toutes les pages ═══════════ */

/* Hors du flux tant qu'il n'a pas le focus : le lien n'apparaît qu'à la
   première tabulation. */
.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 10;
  padding: .75rem 1.25rem;
  background: var(--surface);
  color: var(--ink);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  max-width: var(--page-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
}

.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-title {
  font-size: 32px;
  letter-spacing: -.01em;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14.5px;
  transition: background .18s ease, border-color .18s ease;
}

.btn:hover { text-decoration: none; }

.btn--solid {
  background: var(--btn-bg);
  color: var(--btn-ink);
}

.btn--solid:hover { background: var(--btn-bg-hover); }

.btn--ghost {
  border: 1px solid var(--ghost-border);
  color: var(--ink-3);
}

.btn--ghost:hover {
  background: var(--ghost-hover-bg);
  border-color: var(--ghost-border-hover);
}

.band--soft {
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.band--inv {
  background: var(--inv-bg);
  color: var(--inv-ink);
}

.band--inv .section-title { color: var(--inv-ink); }
.band--inv .kicker { color: var(--inv-muted); }
.band--inv .tag { color: var(--inv-accent); }

.page-404 {
  max-width: 40rem;
  margin: 0 auto;
  padding: 6rem 1.5rem;
}

.page-404 > * + * { margin-top: 1rem; }

/* ═══════════ 5. En-tête et navigation ═══════════ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.nav__brand {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13.5px;
  list-style: none;
}

.nav__links a { color: var(--ink-3); }

.nav__controls {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav__cta {
  padding: 7px 15px;
  border-radius: 999px;
  background: var(--accent-solid);
  color: var(--accent-solid-ink);
  font-size: 13px;
  transition: background .18s ease;
}

.nav__cta:hover {
  text-decoration: none;
  background: var(--accent-solid-hover);
}

.seg {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--surface-2);
}

.seg__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: background .18s ease, color .18s ease;
}

.seg__btn:hover {
  text-decoration: none;
  color: var(--ink-3);
}

.seg__btn[aria-pressed='true'],
.seg__btn[aria-current] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--seg-shadow);
}

.theme-switch .seg__btn { padding: 5px 11px 5px 9px; }

.seg__dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: currentColor;
}

.seg__dot--moon {
  background: none;
  box-shadow: inset -3px 0 0 0 currentColor;
}

/* ═══════════ 6. Sections de la page d'accueil ═══════════ */

/* Accroche et prestations */

.hero {
  display: grid;
  grid-template-columns: 1fr 372px;
  gap: 56px;
  align-items: start;
  padding-top: 76px;
  padding-bottom: 60px;
}

.hero__intro {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 600px;
}

.hero__title {
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.hero__lead {
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

.hero__lead strong { font-weight: 600; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.services {
  display: flex;
  flex-direction: column;
  background: var(--surface-2);
  border: 1px solid var(--line-3);
  border-radius: 10px;
  overflow: hidden;
}

.services__title {
  padding: 18px 24px;
  border-bottom: 1px solid var(--line-2);
  font-size: 20px;
}

.services__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px;
}

.services__item + .services__item { border-top: 1px solid var(--line-2); }

.services__item h3 {
  font-weight: 500;
  font-size: 19px;
}

.services__item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
}

/* Produits et références : cartes illustrées */

.showcase {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding-top: 56px;
  padding-bottom: 56px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  list-style: none;
}

.card {
  position: relative;
  background: var(--surface-3);
  border: 1px solid var(--line-3);
  border-radius: 10px;
  overflow: hidden;
}

/* height: auto neutralise l'attribut height de la balise, sans quoi
   aspect-ratio est ignoré. */
.card__media {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card__overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay);
  transition: background .35s ease;
}

.card:hover .card__overlay { background: transparent; }

.card__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 22px 17px;
  background: var(--surface);
  border-top: 1px solid var(--line-2);
}

.card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
}

.card__head h3 {
  font-weight: 500;
  font-size: 21px;
}

.card__head h3 a { color: var(--ink); }

.card__url {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

.card__text {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-2);
}

/* Approche technique */

.stack {
  display: flex;
  flex-direction: column;
  gap: 34px;
  padding-top: 60px;
  padding-bottom: 60px;
}

.stack__lead {
  margin-top: -22px;
  max-width: 640px;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--inv-ink-2);
}

.stack__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px 44px;
  list-style: none;
}

.stack__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--inv-line);
}

.stack__item h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--inv-ink);
}

.stack__item p {
  margin-top: -2px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--inv-ink-2);
}

/* À propos */

.about {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 60px;
}

.about__portrait {
  width: 250px;
  height: 300px;
  border-radius: 8px;
  object-fit: cover;
}

.about__body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 640px;
}

.about__body p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 10px;
  list-style: none;
}

.facts__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--line-4);
  border-radius: 8px;
  background: var(--surface-4);
}

.facts__value {
  font-size: 26px;
  line-height: 1;
  letter-spacing: -.02em;
  font-weight: 600;
  color: var(--ink);
}

.facts__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Contact */

.contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
  padding-top: 52px;
  padding-bottom: 52px;
}

.contact__main {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact__where {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--inv-muted);
}

.contact__email {
  font-family: var(--font-serif);
  font-size: 30px;
  color: var(--inv-ink);
  overflow-wrap: anywhere;
}

.contact__aside {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.contact__links {
  display: flex;
  gap: 18px;
  font-size: 14px;
  list-style: none;
}

.contact__links a { color: var(--inv-accent); }

.contact__status {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--inv-muted);
}

/* ═══════════ 7. Pages secondaires ═══════════ */

.legal {
  display: flex;
  flex-direction: column;
  gap: 36px;
  max-width: calc(720px + 2 * var(--gutter));
  padding-top: 64px;
  padding-bottom: 80px;
}

.legal h1 {
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.legal__section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.legal h2 {
  font-size: 24px;
  letter-spacing: -.01em;
}

.legal p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
}

.legal__facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 10px 24px;
  padding: 20px 24px;
  border: 1px solid var(--line-4);
  border-radius: 8px;
  background: var(--surface-4);
}

.legal__facts dt {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.legal__facts dd {
  font-size: 15.5px;
  line-height: 1.5;
}

/* ═══════════ 8. Points de rupture ═══════════ */

@media (max-width: 1023px) {
  :root { --gutter: 32px; }

  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 56px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px 24px;
  }

  .nav__links {
    flex-basis: 100%;
    order: 3;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
  }

  .nav__links li { flex-shrink: 0; }

  .nav__controls { margin-left: auto; }
}

@media (max-width: 767px) {
  :root { --gutter: 20px; }

  .hero__title { font-size: 34px; }

  .legal h1 { font-size: 32px; }

  .legal__facts { grid-template-columns: 1fr; gap: 2px 0; }

  .legal__facts dd + dt { margin-top: 10px; }

  .section-title { font-size: 28px; }

  .cards,
  .stack__grid { grid-template-columns: 1fr; }

  .about {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .contact__aside { align-items: flex-start; }

  .contact__email { font-size: 24px; }
}
