/* ==========================================================================
   BASK Group : page provisoire
   Charte : ZURI (fond), BELTZ (texte, traits), GORRI (accent rare), blanc.
   Motifs repris des pages LinkedIn : la phrase entre crochets rouges [ ],
   la photo du chantier au résultat.
   ========================================================================== */

:root {
  --zuri:  #EDECE3;
  --beltz: #1F1F1F;
  --gorri: #9C000B;
  --blanc: #FFFFFF;

  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --max: 90rem;
  --ease: cubic-bezier(.65, 0, .35, 1);
}

@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/instrument-sans-latin-400-normal.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/instrument-sans-latin-600-normal.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/instrument-sans-latin-700-normal.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--zuri);
  color: var(--beltz);
  font-family: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
p, h1, h2, ul { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--gorri); outline-offset: 4px; }

.site-header,
.hero,
.metiers,
.contact,
.site-footer {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- En-tête ---------- */

.site-header { padding-block: clamp(1.5rem, 3vw, 2.5rem) 0; }
.logo-group { display: inline-block; width: clamp(7.5rem, 11vw, 10.5rem); }

/* ---------- Zone 1 : phrase, photo, claim ---------- */

.hero { padding-block: clamp(2rem, 4vw, 3rem) clamp(3.5rem, 8vw, 7rem); }

.hero__band {
  background: var(--beltz);
  color: var(--zuri);
  padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1.25rem, 3vw, 2.5rem) clamp(1.25rem, 2.5vw, 1.75rem);
}

.hook {
  font-weight: 600;
  font-size: clamp(1.5rem, 5.8vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  text-wrap: balance;
}
.br { color: var(--gorri); font-weight: 700; }
.br:first-child { margin-right: .3em; }
.br:last-child  { margin-left: .3em; }

.hook-sign {
  margin-top: 1rem;
  font-size: clamp(.9375rem, 1.5vw, 1.125rem);
  font-weight: 400;
  letter-spacing: .01em;
}
.hook-sign i { font-style: normal; color: var(--gorri); padding-inline: .3em; }

/* Photo : noir et blanc dessous, couleur dessus.
   Ordinateur : le bandeau en entier. Téléphone : la photo est plus haute que
   la fenêtre, elle défile de gauche à droite du chantier au résultat, et la
   couleur la suit. */
.photo {
  position: relative;
  height: clamp(13rem, 62vw, 21rem);
  overflow: hidden;
  background: var(--beltz);
  container-type: inline-size;
}
.photo__track {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  aspect-ratio: 2170 / 536;
  transform: translateX(calc(100cqw - 100%));            /* fin de course, sans animation */
  animation: pan 4.2s var(--ease) .4s backwards;
}
.photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.photo__bw { filter: grayscale(1) contrast(1.05); }
.photo__color { animation: reveal 4.2s var(--ease) .4s backwards; }

@keyframes pan    { from { transform: translateX(0); } }
@keyframes reveal { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }

@media (min-width: 48rem) {
  .hero__band { text-align: right; }
  .photo { height: auto; aspect-ratio: 2170 / 536; }
  .photo__track { width: 100%; transform: none; animation: none; }
  .photo__color { animation-duration: 3.4s; }
}

/* Sans mouvement : la photo en couleur, directement. */
@media (prefers-reduced-motion: reduce) {
  .photo__track, .photo__color { animation: none; }
}

.claim-block { margin-top: clamp(3rem, 8vw, 7rem); }
.claim {
  font-weight: 600;
  font-size: clamp(2.9rem, 12vw, 4.5rem);
  line-height: 1;
  letter-spacing: -.035em;
  text-wrap: balance;
}
@media (min-width: 48rem) {
  .claim { font-size: clamp(4.5rem, 10.5vw, 9.5rem); }
}

/* ---------- Zone 2 : les trois métiers ---------- */

.metiers__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--beltz);
}

.metier {
  display: grid;
  gap: 1.25rem;
  align-content: start;
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--beltz);
}
.metier img { width: clamp(6.5rem, 9vw, 8.5rem); height: auto; aspect-ratio: 1269 / 1521; object-fit: contain; object-position: top left; }
.metier p {
  max-width: 30rem;
  font-size: clamp(1.3125rem, 2.1vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -.01em;
}
.metier p span { display: block; text-wrap: balance; }

@media (min-width: 60rem) {
  .metiers__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .metier { border-bottom: 0; padding-block: clamp(2.5rem, 4vw, 3.5rem); padding-right: 2.5rem; }
  .metier + .metier { padding-left: 2.5rem; border-left: 1px solid var(--beltz); }
}

/* ---------- Zone 3 : contact ---------- */

.contact { padding-block: clamp(4rem, 10vw, 8rem) clamp(3.5rem, 8vw, 6rem); }
.contact h2 {
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -.025em;
  text-wrap: balance;
  max-width: 14ch;
}
.contact__links {
  margin-top: clamp(1.75rem, 3vw, 2.75rem);
  font-size: clamp(1.125rem, 1.8vw, 1.5rem);
  font-weight: 600;
}
.mail { color: var(--gorri); text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: .28em; }
.mail:hover { text-decoration-thickness: 3px; }

/* ---------- Pied de page ---------- */

.site-footer {
  border-top: 1px solid var(--beltz);
  padding-block: clamp(2rem, 4vw, 3rem) 2rem;
}
.ancrage {
  font-weight: 600;
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  max-width: 30ch;
  text-wrap: balance;
}
.legal { margin-top: 2rem; font-size: .875rem; }