/* ==========================================================================
   BIQUE ÉTUDES — Bureau d'études BTP
   ========================================================================== */

:root {
  /* Bordeaux palette */
  --bordeaux-deep: #2A0A11;
  --bordeaux-card: #380D17;
  --bordeaux-card-hover: #5A1526;
  --bordeaux-prest: #4A0E1A;
  --bordeaux-methode: #2E0810;
  --bordeaux-footer: #1C060B;
  --bordeaux-primary: #6E1626;
  --bordeaux-accent: #8C1E34;

  /* Text on dark */
  --ink-cream: #F6F4F1;
  --ink-cream-2: #F6EDEE;
  --blush: #D9B3BC;
  --blush-light: #E7C9CF;

  /* Text on light */
  --ink: #16130F;
  --ink-body: #4A423C;
  --ink-mute: #6B625B;
  --paper: #FFFFFF;

  /* Type */
  --font-serif: 'Cormorant Garamond', serif;
  --font-sans: 'Archivo', sans-serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --wrap: 1360px;
  --pad-x: clamp(18px, 4vw, 48px);
  --pad-y: clamp(80px, 10vw, 140px);
}

* { box-sizing: border-box; }

/* The `hidden` attribute must win over any `display` set by a class of equal
   specificity (e.g. `.form { display: flex }`), since author rules otherwise
   beat the UA `[hidden]` rule at a tie. */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  margin: 0;
  background: var(--bordeaux-deep);
  font-family: var(--font-body);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100vw;
}

::selection { background: var(--bordeaux-primary); color: #fff; }

a { color: inherit; text-decoration: none; }
input, select, textarea, button { font-family: inherit; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }

section { position: relative; padding-top: var(--pad-y); padding-bottom: var(--pad-y); scroll-margin-top: 88px; }

.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.eyebrow--center { display: inline-flex; }
.eyebrow__dot { width: 8px; height: 8px; background: var(--bordeaux-primary); transform: rotate(45deg); flex: none; }
.eyebrow__label { font-family: var(--font-sans); font-weight: 600; font-size: 12px; letter-spacing: .3em; text-transform: uppercase; color: var(--blush-light); }

.h2 { margin: 0; font-family: var(--font-sans); font-weight: 800; font-size: clamp(30px, 4vw, 50px); line-height: 1.03; letter-spacing: -.01em; }

/* Diamond bullet used everywhere as a brand mark */
.diamond { display: inline-block; transform: rotate(45deg); flex: none; }

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes bxFloat { 0%, 100% { transform: translateY(0) rotate(45deg); } 50% { transform: translateY(-14px) rotate(45deg); } }
@keyframes bxFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes bxNumIn { 0% { opacity: 0; transform: scale(.45) translateY(26px); } 55% { opacity: 1; } 100% { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes bxSoftIn { 0% { opacity: 0; transform: translateY(14px) scale(.94); } 100% { opacity: 1; transform: translateY(0) scale(1); } }

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 88px;
  background: rgba(30,8,14,.55);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(231,201,207,.14);
  transition: all .4s cubic-bezier(.4,0,.2,1);
}
.site-header.is-scrolled {
  height: 70px;
  background: rgba(38,10,17,.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(231,201,207,.18);
  box-shadow: 0 12px 36px -16px rgba(0,0,0,.65);
}
.site-header__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 14px; flex: none; }
.brand__mark { height: 84px; width: 72px; filter: drop-shadow(0 2px 10px rgba(0,0,0,.3)); }
.brand__name { display: flex; flex-direction: column; line-height: 1; }
.brand__title { font-family: var(--font-serif); font-weight: 700; font-size: 22px; letter-spacing: .14em; color: #fff; }
.brand__sub { font-family: var(--font-sans); font-weight: 600; font-size: 8.5px; letter-spacing: .42em; color: rgba(255,255,255,.82); margin-top: 3px; }

.nav-desk { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); }
.nav-link {
  position: relative;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-cream-2);
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  height: 1.5px; width: 0;
  background: var(--bordeaux-primary);
  transition: width .35s cubic-bezier(.4,0,.2,1);
}
.nav-link:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 14px; flex: none; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: .04em;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: background .3s, color .3s, transform .2s, box-shadow .3s;
}
.btn:disabled { opacity: .6; cursor: wait; transform: none; }
.btn:hover { transform: translateY(-2px); }
.btn__dot { width: 6px; height: 6px; background: #fff; transform: rotate(45deg); flex: none; }

.btn--primary {
  background: var(--bordeaux-primary);
  color: #fff;
  font-size: 12.5px;
  padding: 12px 22px;
  box-shadow: 0 8px 24px -8px rgba(110,22,38,.6);
}
.btn--primary-lg { font-size: 14px; padding: 17px 30px; box-shadow: 0 16px 40px -12px rgba(110,22,38,.8); }
.btn--ghost {
  background: rgba(20,6,10,.35);
  backdrop-filter: blur(6px);
  color: var(--ink-cream);
  font-size: 14px;
  padding: 17px 30px;
  border: 1px solid rgba(246,244,241,.4);
}
.btn--outline {
  background: transparent;
  border: 1px solid rgba(217,179,188,.3);
  color: var(--ink-cream);
  font-size: 12.5px;
  padding: 13px 18px;
  justify-content: space-between;
}
.btn--outline:hover { background: var(--bordeaux-primary); border-color: var(--bordeaux-primary); }
.btn--block { width: 100%; justify-content: center; font-size: 15px; padding: 18px; box-shadow: 0 16px 36px -14px rgba(110,22,38,.7); }
.btn--reset { background: transparent; border: 1px solid rgba(110,22,38,.35); color: var(--bordeaux-primary); font-size: 13px; padding: 13px 24px; }

.burger {
  display: none;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid rgba(246,237,238,.28);
  border-radius: 2px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.burger span { width: 20px; height: 2px; background: var(--ink-cream-2); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 120;
  background: rgba(15,12,10,.97);
  backdrop-filter: blur(8px);
  display: none;
  flex-direction: column;
  padding: 26px clamp(18px, 6vw, 40px);
  animation: bxFade .3s ease;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.mobile-menu__close {
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 2px;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
}
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu nav a {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 26px;
  color: var(--ink-cream);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.mobile-menu .btn--primary { margin-top: 32px; text-align: center; justify-content: center; font-size: 15px; padding: 16px; }
.mobile-menu__contact {
  margin-top: auto;
  padding-top: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255,255,255,.45);
  line-height: 2;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--bordeaux-deep);
  padding: 0;
}
.hero__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  background: #1C060B;
}
.hero__gradient-bottom { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(14,4,8,.72) 100%); }
.hero__gradient-corner { position: absolute; inset: 0; background: radial-gradient(90% 70% at 12% 92%, rgba(12,4,7,.82), transparent 60%); }

.hero__deco { position: absolute; transform: rotate(45deg); }
.hero__deco--1 { top: 22%; right: 12%; width: 16px; height: 16px; border: 1.5px solid rgba(110,22,38,.7); animation: bxFloat 7s ease-in-out infinite; }
.hero__deco--2 { bottom: 26%; right: 26%; width: 10px; height: 10px; background: rgba(140,30,52,.55); animation: bxFloat 5.5s ease-in-out infinite; }

.hero__content { position: relative; z-index: 2; max-width: var(--wrap); margin: 0 auto; padding: 120px var(--pad-x) clamp(64px, 9vh, 104px); width: 100%; }
.hero__intro {
  margin: 0 0 22px;
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 19px);
  line-height: 1.65;
  color: #fff;
  text-shadow: 0 2px 22px rgba(0,0,0,.95), 0 1px 4px rgba(0,0,0,.9);
}
.hero__intro strong { font-family: var(--font-sans); font-weight: 700; color: #fff; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }

.hero__title {
  margin: 0 0 16px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(11px, 1vw, 13px);
  line-height: 1;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--blush);
  text-shadow: 0 1px 10px rgba(0,0,0,.9);
}
.hero__title-sub { display: none; }

.hero__scroll { position: absolute; bottom: 30px; right: var(--pad-x); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.hero__scroll span:first-child { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .3em; color: rgba(246,244,241,.5); }
.hero__scroll-line { width: 1px; height: 40px; background: linear-gradient(var(--bordeaux-accent), transparent); }

/* ==========================================================================
   À propos
   ========================================================================== */

.about { background: var(--bordeaux-deep); color: var(--ink-cream); }
.about__grid { display: grid; grid-template-columns: 1fr; gap: clamp(32px, 4vw, 60px); align-items: start; }
@media (min-width: 760px) { .about__grid { grid-template-columns: 1.3fr .7fr; } }
.about__title { color: #fff; max-width: 16ch; }
.about__text { margin: 28px 0 0; font-size: 17px; line-height: 1.8; color: rgba(246,237,238,.78); max-width: 54ch; }

.approach-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 3px;
  overflow: hidden;
}
.approach-item { background: var(--bordeaux-deep); padding: 24px 22px; transition: background .3s; }
.approach-item:hover { background: #380D17; }
.approach-item__icon {
  display: inline-flex; width: 38px; height: 38px;
  border: 1px solid rgba(217,179,188,.35);
  align-items: center; justify-content: center;
  transform: rotate(45deg); margin-bottom: 18px;
}
.approach-item__icon span { transform: rotate(-45deg); font-size: 16px; }
.approach-item__title { font-family: var(--font-sans); font-weight: 700; font-size: 15.5px; color: #fff; margin-bottom: 8px; }
.approach-item__desc { font-size: 13px; line-height: 1.55; color: rgba(246,237,238,.62); }

.zones-label { font-family: var(--font-sans); font-weight: 700; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--bordeaux-accent); margin: 26px 0 14px; }
.zones-list { display: flex; flex-wrap: wrap; gap: 10px; }
.zone-tag {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-sans); font-weight: 600; font-size: 13.5px;
  color: var(--ink-cream-2);
  border: 1px solid rgba(217,179,188,.3);
  padding: 11px 18px; border-radius: 2px;
}
.zone-tag .diamond { width: 7px; height: 7px; background: var(--bordeaux-accent); }

/* Founder card */
.founder-card { position: relative; max-width: 340px; justify-self: center; }
.founder-card__inner { position: relative; background: var(--bordeaux-card); border-radius: 3px; overflow: hidden; box-shadow: 0 40px 80px -30px rgba(0,0,0,.5); }
.founder-card__photo { position: relative; aspect-ratio: 4/5; overflow: hidden; border-bottom: 1px solid rgba(255,255,255,.08); background: linear-gradient(140deg, #3A1620, #1C060B); }
.founder-card__photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 12%; filter: saturate(.92); }
.founder-card__photo-gradient { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(42,10,17,.66) 100%); }
.founder-card__photo-corner { position: absolute; top: 16px; left: 16px; width: 34px; height: 34px; border: 1.5px solid rgba(231,201,207,.55); transform: rotate(45deg); }
.founder-card__photo-tag { position: absolute; bottom: 14px; left: 18px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; color: rgba(246,237,238,.9); }
.founder-card__body { padding: 30px 30px 34px; }
.founder-card__name { font-family: var(--font-serif); font-weight: 700; font-size: 30px; letter-spacing: .02em; color: #fff; }
.founder-card__role { margin-top: 6px; font-family: var(--font-sans); font-weight: 600; font-size: 12.5px; letter-spacing: .05em; color: var(--blush); }
.founder-card__points { margin-top: 22px; display: flex; flex-direction: column; gap: 14px; }
.founder-card__point { display: flex; gap: 12px; align-items: flex-start; }
.founder-card__point .diamond { margin-top: 6px; width: 7px; height: 7px; background: var(--bordeaux-accent); }
.founder-card__point span:last-child { font-size: 14.5px; line-height: 1.5; color: rgba(246,244,241,.82); }
.founder-card__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.1); }
.founder-card__kpi { border-top: 2px solid var(--bordeaux-accent); padding-top: 14px; }
.founder-card__kpi-value { font-family: var(--font-sans); font-weight: 800; font-size: clamp(18px, 2vw, 24px); color: #fff; line-height: 1; }
.founder-card__kpi-label { margin-top: 8px; font-size: 12px; line-height: 1.35; color: var(--blush); }

/* ==========================================================================
   Prestations
   ========================================================================== */

.prestations { background: var(--bordeaux-prest); color: var(--ink-cream); }
.prestations::before {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: repeating-linear-gradient(0deg, transparent, transparent 54px, rgba(255,255,255,.025) 55px);
}
.prestations__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 60px; }
.prestations__head .h2 { color: #fff; }
.prestations__lede { max-width: 42ch; font-size: 15.5px; line-height: 1.7; color: rgba(246,244,241,.62); margin: 0; }

.prest-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.09);
}
@media (max-width: 940px) { .prest-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .prest-grid { grid-template-columns: 1fr; } }

.prest-card {
  background: var(--bordeaux-card);
  padding: 38px 32px;
  position: relative;
  overflow: hidden;
  transition: transform .5s cubic-bezier(.2,.7,.2,1), background .5s;
}
.prest-card:hover { transform: translateY(-6px); background: var(--bordeaux-card-hover); }
.prest-card__film {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  opacity: .42;
  transition: opacity .45s ease;
}
.prest-card:hover .prest-card__film { opacity: .68; }
.prest-card__top { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 26px; }
.prest-card__n { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; color: var(--bordeaux-accent); }
.prest-card__icon {
  width: 38px; height: 38px;
  border: 1px solid rgba(217,179,188,.35);
  display: flex; align-items: center; justify-content: center;
  transform: rotate(45deg);
}
.prest-card__icon span { transform: rotate(-45deg); font-size: 18px; }
.prest-card__title { margin: 0 0 12px; position: relative; z-index: 1; font-family: var(--font-sans); font-weight: 700; font-size: 20px; line-height: 1.2; color: #fff; }
.prest-card__desc { margin: 0; position: relative; z-index: 1; font-size: 14.5px; line-height: 1.65; color: rgba(246,244,241,.6); }
.prest-card__bar { position: absolute; bottom: 0; left: 0; height: 2px; width: 100%; background: linear-gradient(90deg, var(--bordeaux-primary), transparent); opacity: .5; z-index: 1; }

/* ==========================================================================
   Maquettes 3D
   ========================================================================== */

.maquettes { background: #fff; }
.maquettes__grid { display: grid; grid-template-columns: 1fr; gap: clamp(40px, 5vw, 72px); align-items: center; }
@media (min-width: 1000px) { .maquettes__grid { grid-template-columns: 1fr 1fr; } }
.maquettes .eyebrow__label { color: var(--bordeaux-primary); }
.maquettes__title { color: var(--ink); max-width: 20ch; }
.maquettes__text { margin: 26px 0 0; font-size: 16.5px; line-height: 1.8; color: var(--ink-body); max-width: 56ch; }
.bim-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.bim-tag { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .04em; color: var(--bordeaux-primary); border: 1px solid rgba(110,22,38,.3); padding: 8px 14px; border-radius: 2px; }

.maquette-bento { display: grid; grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; gap: 14px; }
.maquette-tile { position: relative; border-radius: 3px; overflow: hidden; background-size: cover; background-position: center; }
.maquette-tile--main { grid-column: span 2; grid-row: span 2; box-shadow: 0 30px 60px -30px rgba(22,19,15,.4); }
.maquette-tile__label { position: absolute; bottom: 14px; left: 16px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .08em; color: rgba(246,244,241,.5); }
.maquette-tile--small .maquette-tile__label { bottom: 10px; left: 12px; font-size: 9px; }

/* ==========================================================================
   Portfolio
   ========================================================================== */

.portfolio { background: var(--bordeaux-deep); color: var(--ink-cream); }
.portfolio::before {
  content: ""; position: absolute; inset: 0; opacity: .4; pointer-events: none;
  background-image: repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(255,255,255,.02) 61px);
}
.portfolio__head { margin-bottom: 44px; }
.portfolio__head .h2 { color: #fff; }

.filter-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn {
  font-family: var(--font-sans); font-weight: 700; font-size: 12.5px; letter-spacing: .03em;
  padding: 11px 20px; border-radius: 2px; cursor: pointer; white-space: nowrap;
  background: transparent; color: rgba(246,244,241,.7); border: 1px solid rgba(255,255,255,.16);
  transition: color .3s, background .3s, border-color .3s;
}
.filter-btn.is-active { background: var(--bordeaux-primary); color: #fff; border-color: var(--bordeaux-primary); }

.port-grid { position: relative; display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 22px; }

.port-card {
  background: var(--bordeaux-card);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 3px;
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 20px 50px -30px rgba(0,0,0,.8);
  transition: opacity .28s ease, transform .55s cubic-bezier(.2,.7,.2,1);
}
.port-card:hover { transform: translateY(-8px); }
.port-card__media { position: relative; height: 220px; overflow: hidden; }
.port-card__img { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.port-card:hover .port-card__img { transform: scale(1.06); }
.port-card__media-gradient { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(15,12,10,.85)); }
.port-card__cat { position: absolute; top: 14px; left: 14px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; background: rgba(110,22,38,.85); color: #fff; padding: 6px 10px; border-radius: 2px; }
.port-card__diamond { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) rotate(45deg); width: 44px; height: 44px; border: 1.5px solid rgba(217,179,188,.35); }
.port-card__imglabel { position: absolute; bottom: 12px; left: 14px; font-family: var(--font-mono); font-size: 9px; letter-spacing: .06em; color: rgba(246,244,241,.5); }
.port-card__body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.port-card__code { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; color: var(--bordeaux-accent); margin-bottom: 10px; }
.port-card__title { margin: 0 0 14px; font-family: var(--font-sans); font-weight: 700; font-size: 19px; line-height: 1.25; color: #fff; }
.port-card__tools { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.port-card__tool { font-family: var(--font-mono); font-size: 10px; color: rgba(246,244,241,.65); border: 1px solid rgba(255,255,255,.14); padding: 4px 8px; border-radius: 2px; }
.port-card__cta { margin-top: auto; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(9,7,6,.82);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center; justify-content: center;
  padding: clamp(14px, 4vw, 48px);
  animation: bxFade .28s ease;
}
.modal-backdrop.is-open { display: flex; }
.modal {
  position: relative; width: 100%; max-width: 900px; max-height: 90vh; overflow-y: auto;
  background: var(--bordeaux-deep);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 4px;
  box-shadow: 0 60px 120px -40px rgba(0,0,0,.9);
  color: var(--ink-cream);
}
.modal__media { position: relative; height: clamp(180px, 30vw, 280px); overflow: hidden; background-size: cover; background-position: center; }
.modal__media-gradient { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,12,10,.3), rgba(22,19,15,.9)); }
.modal__close {
  position: absolute; top: 16px; right: 16px;
  width: 42px; height: 42px;
  background: rgba(15,12,10,.6);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 2px; color: #fff; font-size: 18px; cursor: pointer;
}
.modal__cat { position: absolute; top: 16px; left: 16px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; background: rgba(110,22,38,.9); color: #fff; padding: 6px 11px; border-radius: 2px; }
.modal__imglabel { position: absolute; bottom: 16px; left: 20px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .06em; color: rgba(246,244,241,.55); }
.modal__body { padding: clamp(24px, 4vw, 44px); }
.modal__code { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--bordeaux-accent); }
.modal__title { margin: 10px 0 0; font-family: var(--font-sans); font-weight: 800; font-size: clamp(24px, 3vw, 34px); line-height: 1.1; color: #fff; }
.modal__desc { margin: 18px 0 0; font-size: 15.5px; line-height: 1.75; color: rgba(246,244,241,.72); max-width: 64ch; }
.modal__grid { display: grid; grid-template-columns: 1fr; gap: 32px; margin-top: 34px; }
@media (min-width: 1000px) { .modal__grid { grid-template-columns: 1.2fr .8fr; } }
.modal__label { font-family: var(--font-sans); font-weight: 700; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--blush); margin-bottom: 16px; }
.modal__livrables { display: flex; flex-direction: column; gap: 12px; }
.modal__livrable { display: flex; gap: 12px; align-items: flex-start; }
.modal__livrable .diamond { margin-top: 6px; width: 7px; height: 7px; background: var(--bordeaux-primary); }
.modal__livrable span:last-child { font-size: 14.5px; line-height: 1.5; color: rgba(246,244,241,.85); }
.modal__tools { display: flex; flex-wrap: wrap; gap: 8px; }
.modal__tool { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-cream); border: 1px solid rgba(217,179,188,.3); padding: 8px 13px; border-radius: 2px; }
.modal__cta { display: inline-flex; align-items: center; gap: 10px; margin-top: 36px; background: var(--bordeaux-primary); color: #fff; font-family: var(--font-sans); font-weight: 700; font-size: 13.5px; padding: 15px 26px; border-radius: 2px; }

/* ==========================================================================
   Compétences & outils
   ========================================================================== */

.competences { background: #fff; overflow: hidden; }
.competences .eyebrow__label { color: var(--bordeaux-primary); }
.competences__title { color: var(--ink); }

.competences__deco { position: absolute; pointer-events: none; }
.competences__grid-lines {
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 47px, rgba(110,22,38,.04) 48px),
    repeating-linear-gradient(90deg, transparent, transparent 47px, rgba(110,22,38,.04) 48px);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000, transparent 70%);
}
.competences__ring { border: 1px solid rgba(110,22,38,.14); transform: rotate(45deg); }
.competences__ring--1 { top: 60px; left: 5%; width: 120px; height: 120px; }
.competences__ring--2 { top: 96px; left: calc(5% + 22px); width: 76px; height: 76px; border-color: rgba(110,22,38,.1); }
.competences__ring--3 { bottom: 70px; right: 6%; width: 150px; height: 150px; border-color: rgba(110,22,38,.12); }
.competences__ring--4 { bottom: 112px; right: calc(6% + 28px); width: 94px; height: 94px; border: 1px dashed rgba(110,22,38,.12); }
.competences__speck { background: rgba(110,22,38,.25); transform: rotate(45deg); }
.competences__speck--1 { top: 38%; left: 2.5%; width: 10px; height: 10px; }
.competences__speck--2 { top: 22%; right: 3%; width: 8px; height: 8px; background: rgba(110,22,38,.3); }
.competences__speck--3 { bottom: 26%; left: 8%; width: 7px; height: 7px; background: rgba(110,22,38,.2); }
.competences__vlabel { font-family: var(--font-mono); font-size: 10px; letter-spacing: .28em; color: rgba(110,22,38,.28); writing-mode: vertical-rl; }
.competences__vlabel--1 { top: 50%; right: 9%; }
.competences__vlabel--2 { top: 44%; left: 3.5%; transform: rotate(180deg); }

.competences__inner { position: relative; z-index: 1; }
.competences__head { text-align: center; margin-bottom: 56px; }

.carousel { margin-bottom: 52px; }
.carousel__row { display: flex; align-items: center; justify-content: center; gap: clamp(16px, 4vw, 52px); }

.carousel__arrow {
  flex: none;
  width: clamp(48px, 5vw, 60px); height: clamp(48px, 5vw, 60px);
  border: 1.5px solid rgba(110,22,38,.35);
  background: #fff; color: var(--bordeaux-primary);
  border-radius: 2px; cursor: pointer;
  font-size: 26px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: background .3s, color .3s, border-color .3s, transform .25s, box-shadow .3s;
}
.carousel__arrow:hover { background: var(--bordeaux-primary); color: #fff; border-color: var(--bordeaux-primary); transform: scale(1.07); box-shadow: 0 14px 30px -12px rgba(110,22,38,.6); }
.carousel__arrow:active { transform: scale(.96); }

.carousel__side {
  flex: none; background: none; border: none; padding: 0; cursor: pointer;
  opacity: .42; transition: opacity .3s, transform .3s;
}
.carousel__side:hover { opacity: .8; transform: scale(1.06); }
.carousel__side img { width: clamp(44px, 5vw, 66px); height: auto; object-fit: contain; border-radius: 12px; filter: grayscale(.25); }
@media (max-width: 640px) { .carousel__side { display: none; } }

.carousel__diamond { position: relative; width: clamp(200px, 25vw, 290px); height: clamp(200px, 25vw, 290px); flex: none; display: flex; align-items: center; justify-content: center; }
.carousel__diamond-outer { position: absolute; inset: 9%; transform: rotate(45deg); background: #fff; border: 2px solid var(--bordeaux-primary); border-radius: 5px; box-shadow: 0 30px 60px -30px rgba(110,22,38,.45); }
.carousel__diamond-inner { position: absolute; inset: 16%; transform: rotate(45deg); border: 1px solid rgba(110,22,38,.22); border-radius: 3px; }
.carousel__diamond-corner { position: absolute; top: 6%; left: 6%; width: 20px; height: 20px; border: 1.5px solid rgba(110,22,38,.4); transform: rotate(45deg); }
.carousel__diamond-content { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; padding: 0 20%; }
.carousel__step { font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em; color: var(--bordeaux-accent); }
.carousel__logo { width: clamp(58px, 7.5vw, 90px); height: auto; object-fit: contain; border-radius: 16px; box-shadow: 0 10px 24px -10px rgba(0,0,0,.4); }

.carousel__text { text-align: center; max-width: 46ch; margin: 30px auto 0; }
.carousel__name { font-family: var(--font-sans); font-weight: 800; font-size: clamp(20px, 2.4vw, 26px); color: var(--ink); line-height: 1.15; }
.carousel__desc { margin: 12px 0 0; font-size: 15.5px; line-height: 1.7; color: var(--ink-body); }

.carousel__dots { display: flex; justify-content: center; gap: 10px; margin-top: 28px; }
.carousel__dot { padding: 0; border: none; cursor: pointer; transform: rotate(45deg); transition: all .35s; width: 9px; height: 9px; background: rgba(110,22,38,.3); }
.carousel__dot.is-active { width: 13px; height: 13px; background: var(--bordeaux-primary); box-shadow: 0 0 0 4px rgba(110,22,38,.16); }

.domaines-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(22,19,15,.12); border: 1px solid rgba(22,19,15,.12); border-radius: 3px; overflow: hidden; }
@media (max-width: 900px) { .domaines-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .domaines-grid { grid-template-columns: 1fr; } }
.domaine-item { background: #fff; padding: 26px 24px; }
.domaine-item__n { font-family: var(--font-mono); font-size: 11px; color: var(--bordeaux-accent); margin-bottom: 10px; }
.domaine-item__label { font-family: var(--font-sans); font-weight: 700; font-size: 16px; color: var(--ink); line-height: 1.3; }

/* ==========================================================================
   Méthode
   ========================================================================== */

.methode { background: var(--bordeaux-methode); color: var(--ink-cream); }
.methode::before {
  content: ""; position: absolute; inset: 0; opacity: .3; pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(255,255,255,.04) 51px),
    repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(255,255,255,.04) 51px);
}
.methode__inner { position: relative; }
.methode__head { margin-bottom: 60px; }
.methode .eyebrow__label { color: var(--blush-light); }
.methode .eyebrow__dot { background: var(--blush-light); }
.methode__title { color: #fff; max-width: 22ch; }

.methode__showcase { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(28px, 6vw, 72px); margin-bottom: clamp(48px, 6vw, 72px); }
.methode__num-wrap { position: relative; display: flex; align-items: center; justify-content: center; min-width: clamp(180px, 22vw, 260px); height: clamp(180px, 22vw, 260px); flex: none; }
.methode__ring { position: absolute; border: 1.5px solid rgba(231,201,207,.28); transform: rotate(45deg); width: clamp(140px, 17vw, 210px); height: clamp(140px, 17vw, 210px); }
.methode__ring--inner { border: 1px solid rgba(231,201,207,.15); width: clamp(96px, 12vw, 150px); height: clamp(96px, 12vw, 150px); }
.methode__bignum { font-family: var(--font-sans); font-weight: 900; font-size: clamp(120px, 20vw, 240px); line-height: .8; color: #fff; text-shadow: 0 20px 60px rgba(0,0,0,.5); }

.methode__detail { flex: 1; min-width: min(100%, 280px); }
.methode__step-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em; color: var(--blush-light); margin-bottom: 14px; }
.methode__step-title { font-family: var(--font-sans); font-weight: 800; font-size: clamp(24px, 3.2vw, 40px); line-height: 1.05; color: #fff; }
.methode__step-desc { margin: 16px 0 0; font-size: clamp(15px, 1.6vw, 18px); line-height: 1.7; color: rgba(246,244,241,.82); max-width: 52ch; }
.methode__minidots { display: flex; gap: 12px; margin-top: 28px; }
.methode__minidot { width: 14px; height: 14px; padding: 0; border: 1.5px solid rgba(231,201,207,.5); background: transparent; cursor: pointer; transform: rotate(45deg); transition: all .4s; }
.methode__minidot.is-active { background: var(--bordeaux-accent); border-color: var(--bordeaux-accent); box-shadow: 0 0 0 4px rgba(140,30,52,.25); }

.methode-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0; }
.methode-col { position: relative; padding: 22px 26px 22px 22px; cursor: pointer; border-radius: 3px; transition: background .45s, transform .45s; background: transparent; }
.methode-col.is-active { background: rgba(255,255,255,.06); transform: translateY(-4px); }
.methode-col__head { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.methode-col__num {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  transform: rotate(45deg); flex: none; transition: all .45s;
  background: transparent; border: 1.5px solid rgba(231,201,207,.5);
}
.methode-col.is-active .methode-col__num { background: var(--bordeaux-accent); border-color: var(--bordeaux-accent); box-shadow: 0 10px 26px -10px var(--bordeaux-accent); }
.methode-col__num span { transform: rotate(-45deg); font-family: var(--font-sans); font-weight: 800; font-size: 15px; color: #fff; }
.methode-col__line { flex: 1; height: 1px; background: linear-gradient(90deg, rgba(231,201,207,.5), transparent); }
.methode-col__title { margin: 0 0 12px; font-family: var(--font-sans); font-weight: 700; font-size: 19px; color: #fff; }
.methode-col__desc { margin: 0; font-size: 14.5px; line-height: 1.65; color: rgba(246,244,241,.72); }

/* ==========================================================================
   Pourquoi
   ========================================================================== */

.pourquoi { background: var(--bordeaux-deep); }
.pourquoi__head { margin-bottom: 56px; }
.pourquoi .eyebrow__label { color: var(--blush-light); }
.pourquoi__title {
  color: #fff;
  font-size: clamp(16px, 3.2vw, 44px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
@media (max-width: 900px) {
  .pourquoi__title {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    font-size: clamp(20px, 4vw, 32px);
  }
}

.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 760px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .why-grid { grid-template-columns: 1fr; } }

.why-card {
  position: relative;
  background: var(--bordeaux-card);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 3px;
  padding: 34px 30px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px) scale(.94);
  transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1), box-shadow .3s, border-color .3s;
}
.why-card.is-visible { opacity: 1; transform: none; }
.why-card:hover { box-shadow: 0 26px 50px -28px rgba(110,22,38,.5); border-color: rgba(140,30,52,.45); transform: translateY(-6px); }
.why-card::after { content: ""; position: absolute; top: -20px; right: -20px; width: 80px; height: 80px; border: 1px solid rgba(110,22,38,.12); transform: rotate(45deg); }
.why-card__icon { width: 46px; height: 46px; background: var(--bordeaux-primary); display: flex; align-items: center; justify-content: center; transform: rotate(45deg); margin-bottom: 26px; }
.why-card__icon span { transform: rotate(-45deg); font-size: 20px; }
.why-card__title { margin: 0 0 12px; font-family: var(--font-sans); font-weight: 700; font-size: 18px; color: #fff; }
.why-card__desc { margin: 0; font-size: 14.5px; line-height: 1.65; color: rgba(246,237,238,.74); }

/* ==========================================================================
   Chiffres
   ========================================================================== */

.chiffres { background: var(--bordeaux-deep); color: var(--ink-cream); overflow: hidden; }
.chiffres::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(90% 70% at 50% 0%, rgba(110,22,38,.28), transparent 60%); }
.chiffres__head { text-align: center; margin-bottom: 60px; }
.chiffres__title { color: #fff; }

.stats-grid { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.09); }
@media (max-width: 980px) { .stats-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card { background: var(--bordeaux-card); padding: 44px 28px; text-align: center; }
.stat-card__value { font-family: var(--font-sans); font-weight: 900; font-size: clamp(38px, 5vw, 58px); line-height: 1; color: #fff; }
.stat-card__label { margin-top: 16px; font-family: var(--font-sans); font-weight: 600; font-size: 13px; line-height: 1.4; color: rgba(217,179,188,.9); }
.chiffres__note { position: relative; text-align: center; margin: 34px 0 0; font-family: var(--font-mono); font-size: 12px; color: rgba(246,244,241,.45); }

/* ==========================================================================
   Contact
   ========================================================================== */

.contact { background: #fff; }
.contact__grid { display: grid; grid-template-columns: 1fr; gap: clamp(40px, 5vw, 64px); }
@media (min-width: 1000px) { .contact__grid { grid-template-columns: .95fr 1.05fr; } }
.contact .eyebrow__label { color: var(--bordeaux-primary); }
.contact__title { color: var(--ink); }
.contact__text { margin: 24px 0 0; font-size: 16.5px; line-height: 1.8; color: var(--ink-body); max-width: 52ch; }

.contact-card { margin-top: 40px; display: flex; flex-direction: column; gap: 2px; background: var(--bordeaux-card); border-radius: 4px; overflow: hidden; }
.contact-row { display: flex; align-items: center; gap: 18px; padding: 24px 26px; color: var(--ink-cream); border-bottom: 1px solid rgba(255,255,255,.07); }
.contact-row:last-child { border-bottom: none; }
.contact-row__icon { width: 38px; height: 38px; border: 1px solid rgba(217,179,188,.4); display: flex; align-items: center; justify-content: center; transform: rotate(45deg); flex: none; }
.contact-row__icon span { transform: rotate(-45deg); font-size: 15px; }
.contact-row__text { display: flex; flex-direction: column; }
.contact-row__label { font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; color: rgba(217,179,188,.7); }
.contact-row__value { font-family: var(--font-sans); font-weight: 700; font-size: 17px; color: #fff; margin-top: 4px; }
.contact__note { margin: 20px 0 0; font-size: 14px; line-height: 1.6; color: var(--ink-mute); }

.contact-form-card { background: #fff; border: 1px solid rgba(22,19,15,.1); border-radius: 4px; padding: clamp(24px, 3.5vw, 44px); box-shadow: 0 40px 90px -50px rgba(22,19,15,.5); }
.form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field__label { font-family: var(--font-sans); font-weight: 600; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-mute); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px;
  border: 1px solid rgba(22,19,15,.16); border-radius: 2px;
  font-size: 14.5px; color: var(--ink); background: #FAFAF8; outline: none;
  transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--bordeaux-primary); }
.field textarea { resize: vertical; }
.field-file {
  display: flex; align-items: center; gap: 12px;
  border: 1px dashed rgba(22,19,15,.22); border-radius: 2px;
  padding: 14px 16px; cursor: pointer; color: var(--ink-mute); font-size: 13px;
}
.field-file__icon { width: 24px; height: 24px; border: 1px solid rgba(110,22,38,.4); display: flex; align-items: center; justify-content: center; transform: rotate(45deg); flex: none; }
.field-file__icon span { transform: rotate(-45deg); }
.field-file input[type="file"] { display: none; }

.form-success { text-align: center; padding: 40px 10px; }
.form-success__icon { display: inline-flex; width: 64px; height: 64px; background: var(--bordeaux-primary); align-items: center; justify-content: center; transform: rotate(45deg); margin-bottom: 26px; }
.form-success__icon span { transform: rotate(-45deg); font-size: 28px; color: #fff; }
.form-success h3 { margin: 0; font-family: var(--font-sans); font-weight: 800; font-size: 24px; color: var(--ink); }
.form-success p { margin: 14px auto 0; font-size: 15px; line-height: 1.7; color: #5A524C; max-width: 40ch; }

.form-error {
  margin: 0; padding: 14px 16px;
  border: 1px solid rgba(178,20,20,.3); border-radius: 2px;
  background: rgba(178,20,20,.06);
  font-size: 13.5px; line-height: 1.6; color: #8A1414;
}
.form-error a { text-decoration: underline; }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer { background: var(--bordeaux-footer); color: var(--ink-cream); padding: clamp(60px, 8vw, 90px) 0 40px; overflow: hidden; }
.site-footer::before { content: ""; position: absolute; top: -60px; right: -40px; width: 220px; height: 220px; border: 1px solid rgba(110,22,38,.3); transform: rotate(45deg); }
.footer-top { position: relative; display: grid; grid-template-columns: 1fr; gap: 44px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.09); }
@media (min-width: 1000px) { .footer-top { grid-template-columns: 1fr 1.4fr; align-items: start; } }
.footer-brand { max-width: 38ch; }
.footer-brand__row { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.footer-brand__mark { height: 86px; width: 66px; }
.footer-brand__name { display: flex; flex-direction: column; line-height: 1; }
.footer-brand__title { font-family: var(--font-serif); font-weight: 700; font-size: 22px; letter-spacing: .14em; color: #fff; }
.footer-brand__sub { font-family: var(--font-sans); font-weight: 600; font-size: 8.5px; letter-spacing: .42em; color: var(--blush); margin-top: 3px; }
.footer-brand__tagline { margin: 0; font-family: var(--font-serif); font-weight: 500; font-size: 20px; line-height: 1.45; color: rgba(246,244,241,.85); }

.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
@media (max-width: 560px) { .footer-cols { grid-template-columns: 1fr; gap: 28px; } }
.footer-col__head { font-family: var(--font-sans); font-weight: 700; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--bordeaux-accent); margin-bottom: 18px; }
.footer-col__links { display: flex; flex-direction: column; gap: 11px; font-size: 14px; }
.footer-col__links a, .footer-col__links span { color: rgba(246,244,241,.72); }

.footer-bottom { position: relative; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding-top: 28px; }
.footer-bottom__copy { font-family: var(--font-mono); font-size: 11.5px; color: rgba(246,244,241,.4); }
.footer-bottom__legal { display: flex; gap: 24px; }
.footer-bottom__legal a { font-size: 12.5px; color: rgba(246,244,241,.55); }

/* ==========================================================================
   Responsive — header / global grids
   ========================================================================== */

@media (max-width: 1000px) {
  .nav-desk, .header-actions .btn--primary { display: none !important; }
  .burger { display: flex !important; }
}