/* ==========================================================================
   MOUMETAL — Feuille de style
   Identité stricte noir & blanc. Toutes les couleurs sont définies
   dans :root ; les sections sont classées dans l'ordre de la page.
   ========================================================================== */

:root {
  --black: #0a0a0a;
  --black-deep: #000;
  --white: #fff;

  /* Filets (lignes de séparation) */
  --line-on-dark: rgba(255, 255, 255, .16);
  --line-on-light: rgba(10, 10, 10, .14);

  --font: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --container: 1360px;
  --gutter: clamp(20px, 5vw, 64px);
  --header-h: 76px;
  --section-y: clamp(88px, 11vw, 160px);

  --ease: cubic-bezier(.2, .7, .1, 1);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p, figure, dl, dd { margin: 0; }

:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
::selection { background: var(--black); color: var(--white); }
.section--dark ::selection,
.hero ::selection { background: var(--white); color: var(--black); }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px; top: -120px;
  z-index: 1000;
  padding: 12px 18px;
  background: var(--white);
  color: var(--black);
  font-weight: 600;
}
.skip-link:focus { top: 16px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.icon { width: 1.15em; height: 1.15em; flex: none; }

/* --------------------------------------------------------------------------
   Typographie commune
   -------------------------------------------------------------------------- */

.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(24px, 3vw, 36px);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.section-label i { width: 44px; height: 1px; background: currentColor; }

.title {
  font-size: clamp(2.1rem, 4.6vw, 4rem);
  font-weight: 700;
  font-stretch: 110%;
  line-height: 1.03;
  letter-spacing: -.028em;
  text-wrap: balance;
}

.lead {
  font-size: clamp(1.2rem, 1.7vw, 1.45rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -.005em;
}

.section-intro {
  max-width: 44ch;
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  line-height: 1.6;
}

.split-head {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: end;
  gap: 24px 64px;
  margin-bottom: clamp(48px, 6vw, 88px);
}
.split-head .section-intro { justify-self: end; }

/* --------------------------------------------------------------------------
   Boutons & liens
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7em;
  min-height: 54px;
  padding: 0 28px;
  border: 1px solid transparent;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .12em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn .icon { width: 18px; height: 18px; }
.btn .icon--arrow { transition: transform .35s var(--ease); }
.btn:hover .icon--arrow { transform: translateX(4px); }

.btn--light { background: var(--white); color: var(--black); border-color: var(--white); }
.btn--light:hover { background: transparent; color: var(--white); }

.btn--ghost-light { color: var(--white); border-color: rgba(255, 255, 255, .45); }
.btn--ghost-light:hover { background: var(--white); color: var(--black); border-color: var(--white); }

.btn--dark { background: var(--black); color: var(--white); border-color: var(--black); }
.btn--dark:hover { background: transparent; color: var(--black); }

.btn--ghost-dark { color: var(--black); border-color: rgba(10, 10, 10, .35); }
.btn--ghost-dark:hover { background: var(--black); color: var(--white); border-color: var(--black); }

.btn--sm { min-height: 42px; padding: 0 20px; font-size: .75rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.link-arrow .icon { transition: transform .35s var(--ease); }
.link-arrow:hover .icon { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   En-tête
   -------------------------------------------------------------------------- */

.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--white);
}

/* Fond flouté porté par un pseudo-élément : le menu mobile (position: fixed)
   reste ainsi calé sur la fenêtre et non sur l'en-tête. */
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(10, 10, 10, .86);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line-on-dark);
  opacity: 0;
  transition: opacity .4s var(--ease);
}
.header.is-scrolled::before { opacity: 1; }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
.brand img { width: clamp(132px, 12vw, 164px); height: auto; }
.brand .brand__icon { width: auto; height: 42px; }
@media (max-width: 400px) {
  .brand { gap: 8px; }
  .brand .brand__icon { height: 34px; }
  .header .brand img:not(.brand__icon) { width: 118px; }
}

.nav__list { display: flex; gap: clamp(20px, 2.6vw, 40px); }

.nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 0;
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s var(--ease);
}
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }

.nav__extra { display: none; }

.header__actions { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 42px; height: 42px;
  border: 1px solid rgba(255, 255, 255, .45);
  transition: background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.icon-btn .icon { width: 19px; height: 19px; }
.icon-btn:hover { background: var(--white); color: var(--black); border-color: var(--white); }

.burger { display: none; position: relative; width: 42px; height: 42px; }
.burger span {
  position: absolute;
  left: 10px; right: 10px;
  height: 1.5px;
  background: currentColor;
  transition: transform .45s var(--ease), top .45s var(--ease);
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 25px; }
.burger[aria-expanded="true"] span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { top: 20px; transform: rotate(-45deg); }

/* Menu mobile plein écran */
@media (max-width: 1023px) {
  :root { --header-h: 68px; }

  .burger { display: inline-block; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: -1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 40px;
    padding: calc(var(--header-h) + 24px) var(--gutter) calc(32px + env(safe-area-inset-bottom));
    background: var(--black);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity .45s var(--ease), visibility 0s linear .45s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transition: opacity .45s var(--ease); }

  .nav__list { flex-direction: column; gap: 0; counter-reset: nav; }
  .nav__list li {
    border-bottom: 1px solid var(--line-on-dark);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .5s var(--ease), transform .5s var(--ease);
  }
  .nav.is-open .nav__list li { opacity: 1; transform: none; }
  .nav.is-open .nav__list li:nth-child(2) { transition-delay: .05s; }
  .nav.is-open .nav__list li:nth-child(3) { transition-delay: .1s; }
  .nav.is-open .nav__list li:nth-child(4) { transition-delay: .15s; }
  .nav.is-open .nav__list li:nth-child(5) { transition-delay: .2s; }

  .nav__link {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 18px 0;
    font-size: clamp(1.75rem, 7vw, 2.75rem);
    font-weight: 700;
    font-stretch: 112%;
    letter-spacing: -.02em;
    text-transform: none;
  }
  .nav__link::before {
    counter-increment: nav;
    content: "0" counter(nav);
    font-size: .75rem;
    font-weight: 600;
    font-stretch: 100%;
    letter-spacing: .12em;
  }
  .nav__link::after { display: none; }

  .nav__extra { display: grid; gap: 12px; }
  .nav__contact { display: grid; gap: 6px; margin-top: 12px; font-size: 1rem; }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  background: var(--black);
  color: var(--white);
}

.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.85);
  animation: hero-zoom 2.8s var(--ease) both;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(10, 10, 10, .7) 0%, rgba(10, 10, 10, .2) 30%, rgba(10, 10, 10, .55) 62%, rgba(10, 10, 10, .96) 100%),
    linear-gradient(90deg, rgba(10, 10, 10, .45) 0%, rgba(10, 10, 10, 0) 70%);
}

.hero__inner {
  padding-top: calc(var(--header-h) + clamp(24px, 6vh, 72px));
  padding-bottom: clamp(24px, 5vh, 64px);
}

.hero__logo {
  display: block;
  width: clamp(130px, min(19vw, 24vh), 280px);
  height: auto;
  margin: 0 auto clamp(20px, 5vh, 64px);
  filter: drop-shadow(0 4px 18px rgba(0, 0, 0, .55));
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(14px, 2vw, 24px);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.hero__eyebrow::before { content: ""; width: 44px; height: 1px; background: currentColor; flex: none; }

.hero__title {
  margin-left: -.05em;
  font-size: clamp(2.75rem, min(11.7vw, 22vh), 10.6rem);
  font-weight: 800;
  font-stretch: 125%;
  line-height: .86;
  letter-spacing: -.04em;
}

.hero__bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px 64px;
  margin-top: clamp(20px, min(4vw, 4vh), 52px);
  padding-top: clamp(20px, min(3vw, 3.5vh), 36px);
  border-top: 1px solid rgba(255, 255, 255, .3);
}

.hero__subtitle {
  margin-bottom: 12px;
  font-size: clamp(1.25rem, 2.1vw, 1.75rem);
  font-weight: 600;
  font-stretch: 110%;
  line-height: 1.25;
  letter-spacing: -.012em;
}

.hero__text { max-width: 54ch; font-size: clamp(1rem, 1.2vw, 1.125rem); }

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

.hero__scroll {
  position: absolute;
  top: 50%;
  right: calc(var(--gutter) / 2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
}
.hero__scroll-line { position: relative; width: 1px; height: 64px; overflow: hidden; background: rgba(255, 255, 255, .3); }
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--white);
  animation: scroll-line 2.2s var(--ease) infinite;
}

/* Entrée du hero */
.hero__logo, .hero__eyebrow, .hero__title, .hero__copy, .hero__actions, .hero__scroll {
  animation: rise 1.1s var(--ease) both;
}
.hero__logo    { animation-delay: .05s; }
.hero__eyebrow { animation-delay: .15s; }
.hero__title   { animation-delay: .25s; }
.hero__copy    { animation-delay: .45s; }
.hero__actions { animation-delay: .6s; }
.hero__scroll  { animation-name: fade; animation-delay: 1s; }

@keyframes hero-zoom { from { transform: scale(1.08); } to { transform: scale(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes scroll-line {
  0%   { transform: translateY(-100%); }
  60%  { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* --------------------------------------------------------------------------
   Bandeau défilant
   -------------------------------------------------------------------------- */

.ticker {
  overflow: hidden;
  padding-block: clamp(18px, 2.2vw, 28px);
  border-bottom: 1px solid var(--line-on-light);
  background: var(--white);
  color: var(--black);
}
.ticker__track { display: flex; width: max-content; animation: ticker 48s linear infinite; }
.ticker__group { display: flex; align-items: center; gap: clamp(24px, 3vw, 44px); padding-right: clamp(24px, 3vw, 44px); }
.ticker__group span {
  font-size: clamp(1.35rem, 2.6vw, 2.25rem);
  font-weight: 700;
  font-stretch: 125%;
  letter-spacing: -.02em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ticker__group i { width: 9px; height: 9px; background: currentColor; transform: rotate(45deg); flex: none; }

@keyframes ticker { to { transform: translateX(-50%); } }

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.section { padding-block: var(--section-y); }
.section--light { background: var(--white); color: var(--black); }
.section--dark { background: var(--black); color: var(--white); }

/* Rideau d'apparition des images */
.reveal-media { position: relative; overflow: hidden; background: var(--black); }
.reveal-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--black);
  transform: scaleY(0);
  transform-origin: top;
  pointer-events: none;
}
.js .reveal-media::before { transform: scaleY(1); transition: transform 1.1s var(--ease) .15s; }
.js .is-visible .reveal-media::before,
.js .reveal-media.is-visible::before { transform: scaleY(0); }

/* --------------------------------------------------------------------------
   01 — À propos
   -------------------------------------------------------------------------- */

.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  align-items: end;
  gap: clamp(40px, 6vw, 104px);
}

.about__text { display: grid; gap: 20px; max-width: 60ch; margin-top: clamp(28px, 3vw, 44px); }

.about__media { aspect-ratio: 4 / 5; }
.about__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.values {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 40px 28px;
  margin-top: clamp(64px, 8vw, 120px);
}
.value { padding-top: 24px; border-top: 1px solid var(--black); font-size: .975rem; }
.value__index { display: block; margin-bottom: 36px; font-size: .75rem; font-weight: 600; letter-spacing: .14em; }
.value__title {
  margin-bottom: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  font-stretch: 110%;
  line-height: 1.2;
  letter-spacing: -.01em;
}

/* --------------------------------------------------------------------------
   02 — Nos activités
   -------------------------------------------------------------------------- */

.services {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-on-dark);
  border-left: 1px solid var(--line-on-dark);
}

.service {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  padding: clamp(28px, 3vw, 44px);
  border-right: 1px solid var(--line-on-dark);
  border-bottom: 1px solid var(--line-on-dark);
  transition: color .5s var(--ease);
}
.service::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--white);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .6s var(--ease);
}
@media (hover: hover) {
  .service:hover { color: var(--black); }
  .service:hover::before { transform: scaleY(1); }
  .service:hover .service__icon { transform: rotate(-6deg) scale(1.05); }
}

.service__top { display: flex; align-items: flex-start; justify-content: space-between; }
.service__index { font-size: .8125rem; font-weight: 600; letter-spacing: .14em; }
.service__icon { width: 46px; height: 46px; transition: transform .6s var(--ease); }

.service__title {
  margin: clamp(56px, 7vw, 104px) 0 12px;
  font-size: clamp(1.35rem, 1.8vw, 1.65rem);
  font-weight: 700;
  font-stretch: 110%;
  line-height: 1.15;
  letter-spacing: -.018em;
}
.service__text { max-width: 38ch; font-size: 1rem; }

.unused {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px 40px;
  margin-top: clamp(40px, 5vw, 64px);
  padding: clamp(28px, 3.5vw, 48px);
  border: 1px solid rgba(255, 255, 255, .5);
}
.unused__icon { width: 52px; height: 52px; }
.unused__title {
  margin-bottom: 8px;
  font-size: clamp(1.25rem, 1.8vw, 1.55rem);
  font-weight: 700;
  font-stretch: 110%;
  line-height: 1.2;
  letter-spacing: -.015em;
}
.unused p { max-width: 62ch; }

/* --------------------------------------------------------------------------
   03 — Nos matériaux
   -------------------------------------------------------------------------- */

.materials__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(36px, 4vw, 56px) clamp(14px, 2vw, 24px);
}

.material { display: flex; flex-direction: column; gap: 16px; }

.material__media { aspect-ratio: 4 / 5; }
.material__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1) brightness(1);
  transition: transform 1.2s var(--ease), filter .6s var(--ease);
}
.material__media::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 0 var(--white);
  transition: box-shadow .5s var(--ease);
  pointer-events: none;
}
@media (hover: hover) {
  .material:hover .material__media img { transform: scale(1.06); filter: contrast(1.08) brightness(1.04); }
  .material:hover .material__media::after { box-shadow: inset 0 0 0 10px var(--white); }
}

.material__index {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 1;
  display: grid;
  place-items: center;
  min-width: 40px;
  height: 28px;
  padding: 0 8px;
  background: var(--white);
  color: var(--black);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.material__caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--black);
}
.material__name {
  font-size: clamp(1.1rem, 1.55vw, 1.4rem);
  font-weight: 700;
  font-stretch: 112%;
  line-height: 1.15;
  letter-spacing: -.015em;
}
.material__type {
  flex: none;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-align: right;
  text-transform: uppercase;
}

.materials__note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 40px;
  margin-top: clamp(48px, 6vw, 80px);
  padding-top: 28px;
  border-top: 1px solid var(--line-on-light);
}
.materials__note p {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 600;
  font-stretch: 110%;
  letter-spacing: -.015em;
}

/* --------------------------------------------------------------------------
   04 — Pourquoi MOUMETAL
   -------------------------------------------------------------------------- */

.why__grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: clamp(48px, 7vw, 120px);
}
.why__head { position: sticky; top: calc(var(--header-h) + 48px); }
.why__head .title { margin-bottom: 28px; }

.reasons { border-top: 1px solid var(--line-on-dark); }
.reason {
  display: grid;
  grid-template-columns: clamp(84px, 10vw, 150px) minmax(0, 1fr);
  gap: 24px;
  padding-block: clamp(28px, 3.5vw, 48px);
  border-bottom: 1px solid var(--line-on-dark);
}
.reason__index {
  font-size: clamp(2.75rem, 5.2vw, 4.75rem);
  font-weight: 800;
  font-stretch: 125%;
  line-height: .9;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--white);
  transition: color .5s var(--ease);
}
@supports not (-webkit-text-stroke: 1px white) {
  .reason__index { color: var(--white); }
}
.reason:hover .reason__index { color: var(--white); }
.reason__title {
  margin-bottom: 10px;
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  font-weight: 700;
  font-stretch: 110%;
  line-height: 1.15;
  letter-spacing: -.018em;
}
.reason p { max-width: 48ch; }

/* --------------------------------------------------------------------------
   Appel à l'action
   -------------------------------------------------------------------------- */

.cta {
  padding-block: clamp(88px, 11vw, 168px);
  background: var(--white);
  color: var(--black);
}
.cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  align-items: end;
  gap: 40px 80px;
}
.cta__title {
  font-size: clamp(2.3rem, 5.4vw, 4.9rem);
  font-weight: 800;
  font-stretch: 112%;
  line-height: 1;
  letter-spacing: -.035em;
  text-wrap: balance;
}
.cta__text { max-width: 34ch; margin-bottom: 28px; font-size: clamp(1.1rem, 1.4vw, 1.3rem); line-height: 1.5; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* --------------------------------------------------------------------------
   05 — Contact
   -------------------------------------------------------------------------- */

.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(48px, 6vw, 96px);
}
.contact__info .title { margin-bottom: 24px; }

.contact__list { margin-top: clamp(32px, 4vw, 52px); border-top: 1px solid var(--line-on-dark); }
.contact__item { display: grid; gap: 6px; padding-block: 22px; border-bottom: 1px solid var(--line-on-dark); }
.contact__item dt { font-size: .75rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
.contact__item dd a {
  font-size: clamp(1.45rem, 2.7vw, 2.35rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.02em;
  overflow-wrap: anywhere;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size .5s var(--ease);
}
.contact__item dd a:hover { background-size: 100% 1px; }

.contact__buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* Formulaire */
.form {
  display: grid;
  gap: 22px;
  padding: clamp(28px, 4vw, 52px);
  background: var(--white);
  color: var(--black);
}
.form__title {
  margin-bottom: 4px;
  font-size: clamp(1.35rem, 2vw, 1.65rem);
  font-weight: 700;
  font-stretch: 110%;
  letter-spacing: -.015em;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

.field { display: grid; gap: 8px; }
.field label {
  display: flex;
  gap: 6px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.field__opt { margin-left: auto; font-weight: 500; letter-spacing: .06em; text-transform: none; }
.field input,
.field textarea {
  width: 100%;
  padding: 12px 0;
  border: 0;
  border-bottom: 1px solid var(--black);
  border-radius: 0;
  background: transparent;
  color: var(--black);
  font: inherit;
  font-size: 1rem;
  -webkit-appearance: none;
  appearance: none;
  transition: box-shadow .3s var(--ease);
}
.field textarea { min-height: 128px; resize: vertical; }
.field input:focus,
.field textarea:focus { outline: none; box-shadow: 0 1px 0 0 var(--black); }
.field__help { font-size: .8125rem; }

.field.is-invalid input,
.field.is-invalid textarea { border-bottom-width: 2px; }
.field__error {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8125rem;
  font-weight: 600;
}
.field__error::before {
  content: "!";
  display: grid;
  place-items: center;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  font-size: .625rem;
  font-weight: 800;
  flex: none;
}

.form__footer { display: grid; gap: 16px; margin-top: 6px; }
.form__alt {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.form__alt .icon { width: 16px; height: 16px; }
.form__status { font-size: .9375rem; font-weight: 600; }
.form__status:empty { display: none; }
.form__note { font-size: .8125rem; line-height: 1.5; }

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

.footer {
  padding-top: clamp(64px, 8vw, 112px);
  border-top: 1px solid var(--line-on-dark);
  background: var(--black-deep);
  color: var(--white);
}
.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(0, 1fr));
  gap: 40px;
}
.footer__brand .brand img { width: clamp(160px, 16vw, 210px); }
.footer__brand p { max-width: 30ch; margin-top: 22px; font-size: 1.05rem; }
.footer__heading {
  margin-bottom: 20px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.footer__col ul { display: grid; gap: 10px; overflow-wrap: anywhere; }
.footer__col a,
.footer__totop {
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size .4s var(--ease);
}
.footer__col a:hover,
.footer__totop:hover { background-size: 100% 1px; }

.footer__mark { margin-top: clamp(64px, 8vw, 112px); opacity: .1; }
.footer__mark img { width: 100%; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(24px, 3vw, 40px);
  padding-block: 28px calc(28px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line-on-dark);
  font-size: .875rem;
}
.footer__totop { display: inline-flex; align-items: center; gap: 8px; }

/* --------------------------------------------------------------------------
   Bouton WhatsApp flottant
   -------------------------------------------------------------------------- */

.wa-float {
  position: fixed;
  right: clamp(16px, 2.5vw, 32px);
  bottom: calc(clamp(16px, 2.5vw, 32px) + env(safe-area-inset-bottom));
  z-index: 90;
  display: grid;
  place-items: center;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--white);
  color: var(--black);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .28), 0 0 0 1px rgba(10, 10, 10, .12);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(.9);
  transition: opacity .4s var(--ease), transform .4s var(--ease), background-color .3s var(--ease), color .3s var(--ease);
}
.wa-float svg { width: 28px; height: 28px; }
.wa-float.is-visible { opacity: 1; pointer-events: auto; transform: none; }
.wa-float:hover { background: var(--black); color: var(--white); box-shadow: 0 12px 32px rgba(0, 0, 0, .28), 0 0 0 1px rgba(255, 255, 255, .5); }
body.menu-open .wa-float { opacity: 0; pointer-events: none; }

/* --------------------------------------------------------------------------
   Animations au défilement
   -------------------------------------------------------------------------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1100px) {
  .values { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1023px) {
  .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__scroll { display: none; }
}

@media (max-width: 900px) {
  .split-head,
  .about__grid,
  .why__grid,
  .cta__inner,
  .contact__grid { grid-template-columns: minmax(0, 1fr); }

  .split-head .section-intro { justify-self: start; }
  .hero__bottom { grid-template-columns: minmax(0, 1fr); }
  .about__media { aspect-ratio: 4 / 3; }
  .materials__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why__head { position: static; }
  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .values { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .unused { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  .services { grid-template-columns: minmax(0, 1fr); }
  .service__title { margin-top: 40px; }
  .form__row { grid-template-columns: minmax(0, 1fr); }
  .hero__actions .btn,
  .cta__actions .btn { flex: 1 1 200px; }
}

@media (max-width: 560px) {
  .material__caption { flex-direction: column; gap: 6px; }
  .material__type { text-align: left; }
  .material__index { top: 10px; left: 10px; min-width: 34px; height: 24px; font-size: .6875rem; }
  .contact__buttons .btn { flex: 1 1 100%; }
}

@media (max-width: 480px) {
  .footer__top { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 420px) {
  .values { grid-template-columns: minmax(0, 1fr); }
  .value__index { margin-bottom: 20px; }
}

/* --------------------------------------------------------------------------
   Mouvement réduit
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0s !important;
  }
  .ticker__track,
  .hero__scroll-line::after { animation: none !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
  .js .reveal-media::before { transform: scaleY(0); }
}