*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --bg: #14181d;
  --bg2: #1a1f25;
  --gold: #b8bcc8;
  --gold-lt: #d8dbe6;
  --gold-dim: rgba(184, 188, 200, 0.08);
  --gold-border: rgba(184, 188, 200, 0.2);
  --cream: #f4f5f3;
  --muted: rgba(244, 245, 243, 0.74);
  /* Texte/accents posés directement sur vidéo ou photo sombre (hero, lightbox, chips sur image) */
  --media-text: #f4f5f3;
  --media-muted: rgba(244, 245, 243, 0.74);
  --media-accent: #b8bcc8;
  --media-accent-lt: #d8dbe6;
  --laser: #d99a4a;
  /* Bandes sombres (alternance de sections) — anthracite bleuté, pas noir pur */
  --dark-bg: #14181d;
  --dark-bg2: #1a1f25;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Jost', 'Helvetica Neue', sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}
html {
  background: var(--bg);
  color: var(--cream);
  font-family: var(--sans);
  font-weight: 300;
  overflow-x: clip;
  cursor: none;
}
body {
  overflow-x: clip;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9998;
}
img,
video {
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  cursor: none;
  font-family: var(--sans);
  background: none;
  border: none;
}
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(184, 188, 200, 0.18) 50%,
    transparent
  );
}
.eyebrow {
  display: inline-block;
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.41em;
  text-transform: uppercase;
  color: var(--gold);
}

/* REVEAL */
.reveal-up {
  opacity: 0;
  transform: translateY(60px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}
.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}
.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}
.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-fade {
  opacity: 0;
  transition: opacity 0.9s var(--ease-out);
}
.reveal-fade.is-visible {
  opacity: 1;
}
/* LOADER */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#ld-logo {
  width: clamp(90px, 11vw, 160px);
  opacity: 0;
  margin-bottom: 1.6rem;
}
#ld-logo img {
  width: 100%;
  opacity: 0.88;
}
#ld-tagline {
  font: 300 clamp(2.5rem, 4.5vw, 5rem)/0.92 var(--serif);
  color: var(--cream);
  text-align: center;
  margin-bottom: 2.2rem;
  opacity: 0;
  letter-spacing: -0.02em;
}
#ld-tagline em {
  font-style: italic;
  color: var(--gold);
}
#ld-bar-track {
  width: clamp(240px, 28vw, 320px);
  height: 1px;
  background: rgba(244, 245, 243, 0.12);
  position: relative;
}
#ld-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
#ld-info {
  margin-top: 1.8rem;
  display: flex;
  justify-content: flex-end;
  width: clamp(240px, 28vw, 320px);
  opacity: 0;
}
#ld-percent {
  font: 300 0.65rem/1 var(--sans);
  letter-spacing: 0.12em;
  color: var(--gold);
}

/* CURSOR */
#cursor {
  position: fixed;
  pointer-events: none;
  z-index: 9600;
  transform: translate(-14px, -14px);
}
#cursor-ring {
  position: fixed;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(120, 120, 120, 0.55);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9599;
  mix-blend-mode: difference;
  transform: translate(-22px, -22px);
  transition:
    width 0.2s,
    height 0.2s,
    border-color 0.2s;
}
.cursor-spark {
  position: fixed;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--laser);
  pointer-events: none;
  z-index: 9597;
}

/* NAV */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  padding: 0 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 500;
  transition:
    background 0.5s,
    backdrop-filter 0.5s,
    border-color 0.5s;
}
#nav.scrolled {
  background: rgba(20, 24, 29, 0.84);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--gold-border);
}
.nav-logo img {
  height: 48px;
  opacity: 0.92;
  transition: filter 0.4s;
}
.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
}
.nav-links a {
  font: 400 0.63rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--media-muted);
  transition: color 0.3s;
}
.nav-links a:hover {
  color: var(--media-accent);
}
#nav.scrolled .nav-links a {
  color: var(--muted);
}
#nav.scrolled .nav-links a:hover {
  color: var(--gold);
}
.btn-cta {
  display: inline-block;
  padding: 0.8rem 2.4rem;
  border: 1px solid var(--gold-border);
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.287em;
  text-transform: uppercase;
  color: var(--gold);
  transition:
    background 0.45s,
    color 0.45s,
    border-color 0.45s;
  white-space: nowrap;
}
#nav .btn-cta {
  color: var(--media-text);
  border-color: rgba(244, 245, 243, 0.4);
}
#nav.scrolled .btn-cta {
  color: var(--gold);
  border-color: var(--gold-border);
}
.btn-cta:hover {
  background: var(--gold);
  color: var(--bg);
  border-color: var(--gold);
}
#nav-hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 0.5rem;
}
#nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--media-text);
  transition:
    transform 0.35s,
    opacity 0.35s,
    background 0.4s;
}
#nav.scrolled #nav-hamburger span {
  background: var(--cream);
}
#nav-hamburger.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
#nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
#nav-hamburger.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
#nav-mobile {
  display: flex;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 490;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}
#nav-mobile.open {
  opacity: 1;
  pointer-events: auto;
}
#nav-mobile a {
  font: 300 3rem/1 var(--serif);
  color: var(--cream);
  transition: color 0.3s;
}
#nav-mobile a:hover {
  color: var(--gold);
}

/* HERO */
#hero-wrap {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}
#hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55) saturate(0.85);
  transform: translateZ(0);
}
#hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 12, 15, 0.38) 0%,
    rgba(10, 12, 15, 0) 40%,
    rgba(10, 12, 15, 0.6) 100%
  );
  z-index: 1;
  pointer-events: none;
}
.hero-phase {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: 16vh 2rem 0;
  opacity: 1;
  pointer-events: none;
}
.hero-eyebrow {
  font: 300 0.6rem/1 var(--sans);
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--media-accent);
  margin-bottom: 2rem;
  opacity: 0;
  transition: opacity 0.7s ease;
}
.hero-h1 {
  font: 300 clamp(2.8rem, 11vw, 5.5rem)/0.94 var(--serif);
  color: var(--media-text);
  letter-spacing: -0.025em;
  overflow: hidden;
}
.hero-line {
  display: block;
  transform: translateY(110%);
  opacity: 0;
  transition:
    transform 1.2s var(--ease-out),
    opacity 0.8s ease;
}
.hero-line.em {
  font-style: italic;
  color: var(--media-accent-lt);
}
.hero-subtitle {
  margin-top: 2.5rem;
  font: 200 0.7rem/1 var(--sans);
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--media-text);
  opacity: 0;
  transition: opacity 0.8s ease;
}
.hero-cta {
  position: absolute;
  left: 50%;
  bottom: 22vh;
  display: inline-block;
  padding: 0.9rem 2.6rem;
  border: 1px solid rgba(244, 245, 243, 0.4);
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.287em;
  text-transform: uppercase;
  color: var(--media-text);
  opacity: 0;
  white-space: nowrap;
  transform: translate(-50%, 12px);
  transition:
    opacity 0.8s ease,
    transform 0.8s var(--ease-out),
    background 0.4s,
    border-color 0.4s;
  pointer-events: auto;
}
.hero-cta.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}
.hero-cta:hover {
  background: var(--media-accent);
  color: var(--bg);
  border-color: var(--media-accent);
}
/* MARQUEE */
#marquee {
  --muted: var(--media-muted);
  --gold: var(--media-accent);
  overflow: hidden;
  margin: 2.5rem 0;
  padding: 1.4rem 0;
  background: var(--dark-bg);
  border-top: 1px solid rgba(244, 245, 243, 0.08);
  border-bottom: 1px solid rgba(244, 245, 243, 0.08);
}
.marquee-track {
  display: flex;
  white-space: nowrap;
}
.marquee-inner {
  display: flex;
  align-items: center;
  animation: marquee-scroll 28s linear infinite;
  flex-shrink: 0;
}
@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}
.marquee-item {
  font: 400 0.63rem/1 var(--sans);
  letter-spacing: 0.262em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 2.5rem;
}
.marquee-dot {
  color: var(--gold);
  opacity: 0.5;
  padding: 0 0.5rem;
}

/* À PROPOS */
#apropos {
  padding: 5rem 5vw 10rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
  align-items: start;
}
.apropos-media {
  padding-top: 7rem;
}
.apropos-img-wrap {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
}
.apropos-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  transition:
    opacity 1.1s var(--ease-out),
    transform 1.1s var(--ease-out);
  image-rendering: high-quality;
}
.apropos-slide.is-active {
  opacity: 1;
  transform: scale(1);
}
.apropos-cta-btn {
  display: inline-block;
  margin-top: 2rem;
}
.apropos-content {
  padding-top: 1rem;
}
.apropos-content .eyebrow {
  margin-bottom: 1.2rem;
}
.apropos-h2 {
  font: 300 clamp(3rem, 8.5vw, 11rem)/0.85 var(--serif);
  color: var(--cream);
  margin-bottom: 2.5rem;
}
.apropos-h2 em {
  font-style: italic;
  color: var(--gold-lt);
}
.apropos-text {
  font: 300 1.08rem/2.1 var(--sans);
  color: var(--muted);
  max-width: 460px;
}
.apropos-text + .apropos-text {
  margin-top: 1rem;
}
.counters-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 3rem;
  margin-top: 3.5rem;
}
.counter-val {
  font: 300 clamp(2.5rem, 5vw, 5.5rem)/1 var(--serif);
  color: var(--gold);
}
.counter-label {
  font: 400 0.65rem/1.4 var(--sans);
  letter-spacing: 0.23em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.8rem;
}

/* PHILOSOPHIE */
#philosophie {
  --bg: var(--dark-bg);
  --cream: var(--media-text);
  --muted: var(--media-muted);
  --gold: var(--media-accent);
  --gold-lt: var(--media-accent-lt);
  --gold-border: rgba(184, 188, 200, 0.2);
  position: relative;
  background: var(--bg);
}
.philo-stack {
  position: relative;
}
.philo-block {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  height: 100vh;
  background: var(--bg);
  border-top: 1px solid var(--gold-border);
  overflow: hidden;
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.3);
}
.philo-block-1 {
  z-index: 1;
}
.philo-block-2 {
  z-index: 2;
}
.philo-block-3 {
  z-index: 3;
}
.philo-block-left {
  position: relative;
  z-index: 1;
  padding: 0 6vw;
  max-width: 900px;
}
.philo-block-left .eyebrow {
  margin-bottom: 2rem;
}
.philo-block-left h2 {
  font: 400 clamp(3.5rem, 9.5vw, 12rem)/0.86 var(--serif);
  color: var(--cream);
  letter-spacing: -0.025em;
}
.philo-block-left h2 em {
  font-style: italic;
  color: var(--gold-lt);
  display: block;
}
.philo-rule {
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: 2.2rem 0;
}
.philo-block-left p {
  font: 300 1.08rem/2.1 var(--sans);
  color: var(--muted);
  max-width: 460px;
}
@media (max-width: 760px) {
  .philo-block-left {
    padding: 0 5vw;
  }
}

/* SERVICES */
@keyframes svc-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}
#services {
  position: relative;
  height: 650vh;
}
.services-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}
.service-scene {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 0 5vw;
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
  pointer-events: none;
}
.service-scene.is-active {
  opacity: 1;
  pointer-events: auto;
}
.service-scene::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 58% 80% at 74% 50%,
    var(--scene-accent, rgba(85, 105, 122, 0.1)) 0%,
    transparent 68%
  );
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.8s;
}
.service-bg-num {
  position: absolute;
  font: 300 clamp(14rem, 22vw, 30rem)/1 var(--serif);
  color: rgba(244, 245, 243, 0.05);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  user-select: none;
  pointer-events: none;
  letter-spacing: -0.04em;
  z-index: 0;
}
.service-info {
  z-index: 1;
  padding-right: 5vw;
}
.service-eyebrow {
  display: block;
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.312em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.service-name {
  font: 300 clamp(2.8rem, 7vw, 8.5rem)/0.9 var(--serif);
  color: var(--cream);
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}
.service-name em {
  font-style: italic;
  color: var(--gold-lt);
}
.service-desc {
  font: 300 1.08rem/2.1 var(--sans);
  color: var(--muted);
  max-width: 420px;
}
.service-badge {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--gold-border);
  font: 400 0.59rem/1 var(--sans);
  letter-spacing: 0.23em;
  text-transform: uppercase;
  color: var(--gold);
}
.service-img-wrap {
  position: relative;
  height: 65vh;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
}
.service-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 48px rgba(22, 33, 44, 0.28))
    drop-shadow(0 0 60px var(--scene-accent, rgba(85, 105, 122, 0.18)));
  animation: svc-float 6s ease-in-out infinite;
}
#service-indicator {
  position: absolute;
  bottom: 2rem;
  right: 5vw;
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 2;
}
.svc-ind-num {
  font: 400 0.58rem/1 var(--sans);
  letter-spacing: 0.246em;
  color: var(--gold);
}
.svc-ind-bar {
  width: 60px;
  height: 1px;
  background: rgba(244, 245, 243, 0.15);
  position: relative;
}
.svc-ind-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--gold);
  transition: width 0.5s var(--ease-out);
}

/* TECHNIQUES */
#techniques {
  padding: 11rem 0 10rem;
  background: var(--bg);
}
.tech-header {
  padding: 0 5vw;
  margin-bottom: 5.5rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}
.tech-header-left .eyebrow {
  margin-bottom: 1rem;
}
.tech-h2 {
  font: 300 clamp(3.5rem, 10vw, 13rem)/0.88 var(--serif);
  color: var(--cream);
}
.tech-header-right {
  font: 300 1.05rem/2 var(--sans);
  color: var(--muted);
  max-width: 320px;
  text-align: right;
  padding-bottom: 0.4rem;
}
.tech-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.tech-pair + .tech-pair {
  margin-top: 2px;
}
.tech-pair.reverse .tech-img {
  order: 2;
}
.tech-pair.reverse .tech-info {
  order: 1;
}
.tech-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.tech-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.8) saturate(0.85);
  transition:
    transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    filter 0.9s;
}
.tech-pair:hover .tech-img img {
  transform: scale(1.04);
  filter: brightness(0.88) saturate(1);
}
.tech-info {
  padding: 4rem 6vw 5rem;
  background: var(--bg2);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.tech-num {
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.287em;
  color: var(--gold);
  margin-bottom: 1.4rem;
}
.tech-name {
  font: 300 clamp(2.5rem, 5vw, 6rem)/1.05 var(--serif);
  color: var(--cream);
  margin-bottom: 1.5rem;
}
.tech-desc {
  font: 300 1.08rem/2.1 var(--sans);
  color: var(--muted);
}
.tech-badge {
  display: inline-block;
  margin-top: 2.2rem;
  padding: 0.45rem 1.2rem;
  border: 1px solid var(--gold-border);
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.23em;
  text-transform: uppercase;
  color: var(--gold);
}

/* MATÉRIAUX */
#materiaux {
  position: relative;
  height: 520vh;
}
.mat-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}
.mat-left {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 46%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 7vw;
  z-index: 2;
}
.mat-right {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 52%;
  overflow: hidden;
}
.mat-right::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg) 0%, transparent 35%);
  z-index: 2;
  pointer-events: none;
}
.mat-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 5rem 4rem 8rem;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
  transform: scale(1.04);
}
.mat-slide.is-active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}
.mat-slide img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 50px rgba(22, 33, 44, 0.28))
    drop-shadow(0 0 40px rgba(85, 105, 122, 0.12));
  transition: opacity 0.5s var(--ease-out);
}
.mat-ey {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.mat-ey-line {
  width: 28px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}
.mat-ey-txt {
  font: 400 0.58rem/1 var(--sans);
  letter-spacing: 0.312em;
  text-transform: uppercase;
  color: var(--gold);
}
.mat-big-name {
  font: 300 clamp(3rem, 9.5vw, 12rem)/0.82 var(--serif);
  color: var(--cream);
  transition: opacity 0.3s;
}
.mat-big-name em {
  font-style: italic;
  color: var(--gold);
}
.mat-desc {
  font: 300 1.08rem/2.1 var(--sans);
  color: var(--muted);
  max-width: 380px;
  margin-top: 2rem;
  transition: opacity 0.3s;
}
.mat-tag-badge {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--gold-border);
  font: 400 0.58rem/1 var(--sans);
  letter-spacing: 0.205em;
  text-transform: uppercase;
  color: var(--gold);
  transition: opacity 0.3s;
}
.mat-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin-top: 2rem;
}
.mat-nav-btn {
  background: none;
  border: 1px solid rgba(244, 245, 243, 0.14);
  color: var(--muted);
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.164em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  cursor: pointer;
  transition:
    border-color 0.3s,
    color 0.3s,
    background 0.3s;
  white-space: nowrap;
}
.mat-nav-btn:hover {
  border-color: rgba(184, 188, 200, 0.4);
  color: var(--cream);
}
.mat-nav-btn.is-active {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(184, 188, 200, 0.08);
}
.mat-side-dots {
  position: absolute;
  right: 2.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 3;
}
.mat-dot {
  width: 1px;
  height: 20px;
  background: rgba(244, 245, 243, 0.15);
  transition:
    height 0.4s,
    background 0.4s;
}
.mat-dot.is-active {
  height: 36px;
  background: var(--gold);
}

/* EXPERTISE */
#expertise {
  --bg: var(--dark-bg);
  --cream: var(--media-text);
  --muted: var(--media-muted);
  --gold: var(--media-accent);
  --gold-lt: var(--media-accent-lt);
  --gold-border: rgba(184, 188, 200, 0.2);
  position: relative;
  padding: 12rem 5vw 8rem;
  background: var(--bg);
}
.expertise-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  max-width: 760px;
  margin-bottom: 5rem;
  position: relative;
  z-index: 1;
}
.expertise-header .eyebrow {
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.expertise-h2 {
  font: 300 clamp(3.5rem, 8.5vw, 11rem)/0.88 var(--serif);
  color: var(--cream);
  line-height: 1;
}
.expertise-desc {
  font: 300 1.08rem/2.1 var(--sans);
  color: rgba(244, 245, 243, 0.78);
  max-width: 440px;
}
.expertise-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  max-width: 1500px;
  position: relative;
  z-index: 1;
}
.expertise-row {
  padding: 0 2.2rem;
  border-right: 1px solid var(--gold-border);
  opacity: 0;
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
}
.expertise-row:first-child {
  padding-left: 0;
}
.expertise-row:last-child {
  padding-right: 0;
  border-right: none;
}
.expertise-row:nth-child(1) {
  transform: translateX(220%) scale(0.88);
  transition-delay: 0s;
}
.expertise-row:nth-child(2) {
  transform: translateX(110%) scale(0.88);
  transition-delay: 0.12s;
}
.expertise-row:nth-child(3) {
  transform: translateX(0) scale(0.88);
  transition-delay: 0.24s;
}
.expertise-row:nth-child(4) {
  transform: translateX(-110%) scale(0.88);
  transition-delay: 0.36s;
}
.expertise-row:nth-child(5) {
  transform: translateX(-220%) scale(0.88);
  transition-delay: 0.48s;
}
.expertise-list.is-visible .expertise-row {
  opacity: 1;
  transform: translateX(0) scale(1);
}
.expertise-list.is-visible .expertise-row:hover {
  transform: translateY(-6px) scale(1);
}
.expertise-num {
  display: block;
  font: 300 clamp(1.8rem, 2.4vw, 2.6rem)/1 var(--serif);
  color: rgba(184, 188, 200, 0.3);
  margin-bottom: 1.8rem;
  transition: color 0.4s var(--ease-out);
}
.expertise-row:hover .expertise-num {
  color: var(--gold-lt);
}
.expertise-body h3 {
  font: 300 clamp(1.25rem, 1.7vw, 1.55rem)/1.2 var(--serif);
  color: var(--cream);
  margin-bottom: 1rem;
}
.expertise-body p {
  font: 300 0.92rem/1.85 var(--sans);
  color: var(--muted);
}
@media (max-width: 1080px) {
  .expertise-list {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 2.2rem;
    row-gap: 3rem;
  }
  .expertise-row {
    border-right: none;
    border-bottom: 1px solid var(--gold-border);
    padding: 0 0 2.5rem 0;
  }
  .expertise-row:nth-child(odd) {
    padding-right: 1.1rem;
  }
  .expertise-row:nth-child(even) {
    padding-left: 1.1rem;
  }
  .expertise-row:nth-child(5) {
    grid-column: 1/-1;
    border-bottom: none;
  }
  .expertise-row:nth-child(1),
  .expertise-row:nth-child(2),
  .expertise-row:nth-child(3),
  .expertise-row:nth-child(4),
  .expertise-row:nth-child(5) {
    transform: translateY(50px) scale(0.92);
  }
}
@media (max-width: 760px) {
  #expertise {
    padding: 6rem 5vw 3rem;
  }
  .expertise-list {
    grid-template-columns: 1fr;
    row-gap: 0;
  }
  .expertise-row {
    padding: 2.2rem 0 !important;
    border-bottom: 1px solid var(--gold-border);
    border-right: none;
  }
  .expertise-row:first-child {
    padding-top: 0;
  }
  .expertise-row:last-child {
    border-bottom: none;
  }
}
/* PROCESS STEPS */
#process-steps {
  padding: 12rem 6vw 5rem;
  background: var(--bg);
}
.process-header {
  margin-bottom: 5rem;
}
.process-header .eyebrow {
  margin-bottom: 1rem;
}
.process-h2 {
  font: 300 clamp(3.5rem, 8.5vw, 11rem)/0.88 var(--serif);
  color: var(--cream);
}
.process-track {
  max-width: 750px;
  position: relative;
}
.process-track::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 40px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold-dim), transparent);
}
.process-step-item {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  padding: 2.5rem 0;
  opacity: 0;
  transform: translateY(60px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}
.process-step-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.step-dot {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 1px solid var(--gold-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  position: relative;
  z-index: 1;
}
.step-dot-num {
  font: 400 0.63rem/1 var(--sans);
  letter-spacing: 0.082em;
  color: var(--gold);
}
.step-content {
  padding-top: 0.6rem;
}
.step-label {
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.287em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.7rem;
  display: block;
}
.step-name {
  font: 300 clamp(2.2rem, 3.8vw, 4rem)/1.05 var(--serif);
  color: var(--cream);
  margin-bottom: 0.9rem;
}
.step-desc {
  font: 300 1.08rem/2.1 var(--sans);
  color: var(--muted);
  max-width: 520px;
}

/* CONTACT */
#contact {
  --bg: var(--dark-bg);
  --bg2: var(--dark-bg2);
  --cream: var(--media-text);
  --muted: var(--media-muted);
  --gold: var(--media-accent);
  --gold-lt: var(--media-accent-lt);
  --gold-border: rgba(184, 188, 200, 0.2);
  padding: 12rem 6vw;
  background: var(--bg);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 8vw;
  align-items: start;
}
.contact-left .eyebrow {
  margin-bottom: 1.2rem;
}
.contact-h2 {
  font: 300 clamp(3rem, 7.5vw, 9.5rem)/0.88 var(--serif);
  color: var(--cream);
  margin-bottom: 2.5rem;
}
.contact-h2 em {
  font-style: italic;
  color: var(--gold-lt);
}
.contact-text {
  font: 300 1.08rem/2.1 var(--sans);
  color: var(--muted);
  max-width: 360px;
  margin-bottom: 3rem;
}
.contact-info-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}
.contact-info-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--gold-border);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-info-icon svg {
  width: 14px;
  height: 14px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
}
.contact-info-label {
  font: 400 0.58rem/1 var(--sans);
  letter-spacing: 0.246em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
  display: block;
}
.contact-info-value {
  font: 300 0.82rem/1.6 var(--sans);
  color: var(--muted);
}
.contact-info-value a {
  transition: color 0.3s;
}
.contact-info-value a:hover {
  color: var(--cream);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-row.full {
  grid-template-columns: 1fr;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.form-group label {
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-group label .req {
  color: var(--gold);
  margin-left: 2px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid rgba(184, 188, 200, 0.18);
  color: var(--cream);
  padding: 0.9rem 1.1rem;
  font: 300 0.82rem/1 var(--sans);
  outline: none;
  transition: border-color 0.3s;
  -webkit-appearance: none;
  border-radius: 0;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23b8bcc8' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-color: var(--bg2);
  padding-right: 2.5rem;
  cursor: pointer;
  color-scheme: dark;
}
.form-group select option {
  background-color: var(--bg2);
  color: var(--cream);
}
.form-group textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold-border);
}
.form-group input.dirty:invalid,
.form-group select.dirty:invalid,
.form-group textarea.dirty:invalid {
  border-color: rgba(200, 60, 60, 0.5);
}
.form-error {
  font: 300 0.58rem/1 var(--sans);
  color: rgba(220, 80, 80, 0.85);
  min-height: 1em;
  margin-top: 0.2rem;
}
.btn-submit {
  width: 100%;
  margin-top: 1.5rem;
  padding: 1.1rem;
  border: 1px solid var(--gold-border);
  color: var(--gold);
  font: 300 0.62rem/1 var(--sans);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  transition:
    background 0.35s,
    color 0.35s;
  cursor: none;
}
.btn-submit:hover {
  background: var(--gold);
  color: var(--bg);
}
#form-success {
  text-align: center;
  padding: 4rem 2rem;
}
.success-check {
  width: 60px;
  height: 60px;
  border: 1px solid var(--gold-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}
.success-check svg {
  width: 24px;
  height: 24px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
}
.success-title {
  font: 300 clamp(1.8rem, 3vw, 2.8rem)/1.1 var(--serif);
  color: var(--cream);
  margin-bottom: 1rem;
}
.success-text {
  font: 300 0.97rem/1.8 var(--sans);
  color: var(--muted);
}

/* FOOTER */
#footer {
  --bg2: var(--dark-bg2);
  --cream: var(--media-text);
  --muted: var(--media-muted);
  --gold: var(--media-accent);
  padding: 6rem 5vw 2.5rem;
  background: var(--bg2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr 1fr;
  gap: 3.2vw;
  margin-bottom: 4rem;
}
.footer-logo {
  margin-bottom: 1.5rem;
}
.footer-logo img {
  height: 28px;
  filter: none;
  opacity: 0.55;
}
.footer-tagline {
  font: 400 0.63rem/1 var(--sans);
  letter-spacing: 0.164em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: block;
}
.footer-about {
  font: 300 1rem/1.9 var(--sans);
  color: var(--muted);
}
.footer-col-title {
  font: 400 0.61rem/1 var(--sans);
  letter-spacing: 0.262em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
  display: block;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.footer-links a {
  font: 300 0.78rem/1 var(--sans);
  color: var(--muted);
  transition: color 0.3s;
}
.footer-links a:hover {
  color: var(--cream);
}
.footer-contact-item {
  margin-bottom: 1rem;
}
.footer-contact-label {
  font: 400 0.55rem/1 var(--sans);
  letter-spacing: 0.23em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.65;
  display: block;
  margin-bottom: 0.3rem;
}
.footer-contact-val {
  font: 300 0.78rem/1.5 var(--sans);
  color: var(--muted);
}
.footer-contact-val a {
  transition: color 0.3s;
}
.footer-contact-val a:hover {
  color: var(--cream);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(244, 245, 243, 0.1);
}
.footer-copy {
  font: 400 0.63rem/1 var(--sans);
  letter-spacing: 0.123em;
  color: var(--muted);
}
.footer-legal {
  display: flex;
  gap: 2rem;
}
.footer-legal a {
  font: 400 0.63rem/1 var(--sans);
  letter-spacing: 0.123em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.3s;
}
.footer-legal a:hover {
  color: var(--cream);
}

/* CURSOR TRAIL CANVAS */
#cursor-canvas {
  position: fixed;
  inset: 0;
  z-index: 9598;
  pointer-events: none;
}

/* AVANT / APRÈS */
#avant-apres {
  padding: 5rem 0 12rem;
  background: var(--bg);
}
.ba-header {
  text-align: center;
  padding: 0 5vw 4rem;
}
.ba-header .eyebrow {
  margin-bottom: 0.8rem;
}
.ba-header h2 {
  font: 300 clamp(3.5rem, 8.5vw, 11rem)/0.88 var(--serif);
  color: var(--cream);
  letter-spacing: -0.025em;
}
.ba-header h2 em {
  color: var(--gold-lt);
  font-style: italic;
}
.ba-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 5vw;
}
.ba-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  cursor: col-resize;
  user-select: none;
  border: 1px solid var(--gold-border);
}
.ba-after,
.ba-before {
  position: absolute;
  inset: 0;
}
.ba-after img,
.ba-before img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: var(--bg);
}
.ba-before {
  clip-path: inset(0 50% 0 0);
}
.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--media-accent);
  transform: translateX(-50%);
  cursor: col-resize;
  z-index: 2;
}
.ba-handle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(18, 22, 27, 0.85);
  border: 1.5px solid var(--media-accent);
  box-shadow: 0 0 20px rgba(185, 189, 201, 0.35);
}
.ba-handle::after {
  content: 'â—€ â–¶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font: 300 0.55rem/1 var(--sans);
  letter-spacing: 0.08em;
  color: var(--media-text);
  white-space: nowrap;
}
.ba-label {
  position: absolute;
  bottom: 1.2rem;
  font: 300 0.6rem/1 var(--sans);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--media-text);
  padding: 0.35rem 0.75rem;
  background: rgba(10, 12, 15, 0.72);
  backdrop-filter: blur(8px);
  z-index: 1;
}
.ba-label-avant {
  left: 1.2rem;
}
.ba-label-apres {
  right: 1.2rem;
}

/* LOGO REVEAL */
#logo-reveal {
  --bg: var(--dark-bg);
  --cream: var(--media-text);
  --gold-lt: var(--media-accent-lt);
  padding: 12rem 5vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  background: var(--bg);
  overflow: hidden;
}
.lr-wrap {
  position: relative;
  display: block;
  width: 100%;
  margin: 0 auto;
}
.lr-mask {
  position: absolute;
  inset: 0;
  background: var(--bg);
  transform-origin: right center;
  transform: scaleX(1);
  transition: transform 1.3s var(--ease-out) 0.15s;
  will-change: transform;
}
#logo-reveal.is-visible .lr-mask {
  transform: scaleX(0);
}
.lr-laser {
  position: absolute;
  top: -15%;
  bottom: -15%;
  left: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(217, 154, 74, 0.9) 30%,
    var(--laser) 50%,
    rgba(217, 154, 74, 0.9) 70%,
    transparent 100%
  );
  box-shadow:
    0 0 8px 3px rgba(217, 154, 74, 0.7),
    0 0 24px rgba(217, 154, 74, 0.4);
  will-change: left;
  opacity: 0;
}
#logo-reveal.is-visible .lr-laser {
  animation: lr-sweep 1.3s var(--ease-out) 0.15s forwards;
}
@keyframes lr-sweep {
  0% {
    left: 0;
    opacity: 0;
  }
  6% {
    opacity: 1;
  }
  94% {
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0;
  }
}
.lr-headline {
  font: 300 clamp(2.8rem, 6vw, 7.5rem)/1.05 var(--serif);
  color: var(--cream);
  text-align: center;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 1.1s 0.4s,
    transform 1.1s 0.4s;
  width: 100%;
}
#logo-reveal.is-visible .lr-headline {
  opacity: 1;
  transform: translateY(0);
}
.lr-headline em {
  color: var(--gold-lt);
  font-style: italic;
  display: block;
}

/* LIGHTBOX */
#lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 9400;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.8rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
#lb-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}
#lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 7, 7, 0.93);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
#lb-box {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.6rem;
  max-width: 88vw;
  transform: translateY(20px) scale(0.97);
  transition:
    transform 0.48s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.4s;
  opacity: 0;
}
#lb-overlay.is-open #lb-box {
  transform: translateY(0) scale(1);
  opacity: 1;
}
#lb-img-scene {
  perspective: 800px;
}
#lb-img-wrap {
  animation: lb-float 7s ease-in-out infinite;
  transform-style: preserve-3d;
  display: flex;
  align-items: center;
  justify-content: center;
}
#lb-img {
  display: block;
  max-width: 72vw;
  max-height: 62vh;
  object-fit: contain;
  filter: drop-shadow(0 28px 56px rgba(0, 0, 0, 0.95))
    drop-shadow(0 0 70px rgba(185, 189, 201, 0.2));
}
#lb-meta {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
#lb-badge {
  font: 300 0.5rem/1 var(--sans);
  letter-spacing: 0.55em;
  text-transform: uppercase;
  color: var(--media-accent);
  margin-bottom: 1.1rem;
  display: block;
}
#lb-rule {
  width: 28px;
  height: 1px;
  background: var(--media-accent);
  margin-bottom: 1.4rem;
  opacity: 0.8;
}
#lb-title {
  font: 300 clamp(2.2rem, 3.5vw, 4rem)/0.96 var(--serif);
  color: var(--media-text);
  letter-spacing: -0.015em;
  margin-bottom: 0.9rem;
}
#lb-title em {
  font-style: italic;
  color: var(--media-accent-lt);
}
#lb-desc {
  font: 300 1rem/2 var(--sans);
  color: var(--media-muted);
  max-width: 580px;
}
#lb-close {
  position: fixed;
  top: 2rem;
  right: 2.4rem;
  background: rgba(10, 12, 15, 0.5);
  border: 1px solid rgba(244, 245, 243, 0.2);
  color: rgba(244, 245, 243, 0.75);
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.7rem;
  z-index: 9401;
  transition:
    border-color 0.3s,
    color 0.3s,
    transform 0.35s;
  display: flex;
  align-items: center;
  justify-content: center;
}
#lb-close:hover {
  border-color: var(--media-accent);
  color: var(--media-accent);
  transform: rotate(90deg);
}
.lb-hint {
  position: absolute;
  bottom: 0.7rem;
  right: 0.7rem;
  font: 400 0.51rem/1 var(--sans);
  letter-spacing: 0.262em;
  text-transform: uppercase;
  color: var(--media-accent);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  background: rgba(10, 12, 15, 0.65);
  padding: 0.3rem 0.65rem;
  border: 1px solid rgba(185, 189, 201, 0.15);
}
.service-img-wrap:hover .lb-hint,
.mat-slide.is-active:hover .lb-hint {
  opacity: 1;
}
/* GALLERY OVERLAY */
#gallery-overlay {
  position: fixed;
  inset: 0;
  z-index: 9500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}
#gallery-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}
#gallery-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 5, 0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
#gallery-img-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
#gallery-img {
  display: block;
  max-width: 78vw;
  max-height: 80vh;
  object-fit: contain;
  opacity: 1;
  transform: translateX(0);
  transition:
    opacity 0.22s,
    transform 0.22s;
  filter: drop-shadow(0 24px 60px rgba(0, 0, 0, 0.9));
}
#gallery-prev,
#gallery-next {
  position: relative;
  z-index: 1;
  background: none;
  border: 1px solid rgba(244, 245, 243, 0.18);
  color: rgba(244, 245, 243, 0.7);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition:
    border-color 0.3s,
    color 0.3s,
    transform 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
#gallery-prev:hover,
#gallery-next:hover {
  border-color: var(--media-accent);
  color: var(--media-accent);
  transform: scale(1.1);
}
#gallery-close {
  position: fixed;
  top: 2rem;
  right: 2.4rem;
  z-index: 9501;
  background: rgba(10, 12, 15, 0.55);
  border: 1px solid rgba(244, 245, 243, 0.2);
  color: rgba(244, 245, 243, 0.75);
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.7rem;
  transition:
    border-color 0.3s,
    color 0.3s,
    transform 0.35s;
  display: flex;
  align-items: center;
  justify-content: center;
}
#gallery-close:hover {
  border-color: var(--media-accent);
  color: var(--media-accent);
  transform: rotate(90deg);
}
#gallery-count {
  position: fixed;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9501;
  font: 300 0.55rem/1 var(--sans);
  letter-spacing: 0.45em;
  color: var(--media-accent);
  text-transform: uppercase;
}
.apropos-img-wrap:hover::after {
  content: 'Voir les photos';
  position: absolute;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  font: 300 0.5rem/1 var(--sans);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--media-text);
  background: rgba(10, 12, 15, 0.72);
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(185, 189, 201, 0.18);
  pointer-events: none;
  white-space: nowrap;
  z-index: 3;
}
.service-img-wrap {
  cursor: zoom-in !important;
}
.mat-slide {
  cursor: default;
}
@keyframes lb-float {
  0%,
  100% {
    transform: translateY(0) rotateX(0deg) rotateY(0deg);
  }
  25% {
    transform: translateY(-14px) rotateX(2deg) rotateY(-2.5deg);
  }
  60% {
    transform: translateY(-9px) rotateX(-1.5deg) rotateY(2deg);
  }
  80% {
    transform: translateY(-16px) rotateX(1deg) rotateY(-1deg);
  }
}

/* ── 4K / WIDE SCREENS ── */
@media (min-width: 1920px) {
  #nav {
    max-width: 2400px;
    margin: 0 auto;
  }
  .hero-h1 {
    font-size: clamp(4rem, 5.5vw, 6.5rem);
  }
  #apropos {
    max-width: 2200px;
    margin: 0 auto;
    padding: 7rem 8vw 14rem;
  }
  .apropos-h2 {
    font-size: clamp(6rem, 6vw, 9rem);
  }
  .apropos-text {
    font-size: 1.08rem;
    max-width: 560px;
  }
  .counter-val {
    font-size: clamp(3.5rem, 4vw, 5rem);
  }
  .philo-block-left h2 {
    font-size: clamp(5rem, 6vw, 9rem);
  }
  .philo-block-left p {
    font-size: 1.05rem;
    max-width: 560px;
  }
  .service-name {
    font-size: clamp(4rem, 5vw, 7rem);
  }
  .service-desc {
    font-size: 1.05rem;
    max-width: 520px;
  }
  .service-img-wrap {
    height: 72vh;
  }
  .mat-big-name {
    font-size: clamp(5rem, 6vw, 9rem);
  }
  .mat-desc {
    font-size: 1.05rem;
    max-width: 480px;
  }
  .mat-left {
    padding: 0 6vw 0 8vw;
    max-width: 700px;
  }
  .tech-h2 {
    font-size: clamp(5rem, 6.5vw, 10rem);
  }
  #techniques {
    max-width: 2400px;
    margin: 0 auto;
    padding: 14rem 8vw;
  }
  .tech-desc {
    font-size: 1.05rem;
    max-width: 520px;
  }
  #expertise {
    max-width: 2400px;
    margin: 0 auto;
    padding: 14rem 8vw;
  }
  .expertise-h2 {
    font-size: clamp(5rem, 5.5vw, 8rem);
  }
  .expertise-list {
    max-width: 2000px;
  }
  .expertise-body p {
    font-size: 1rem;
  }
  #contact {
    max-width: 2400px;
    margin: 0 auto;
    padding: 14rem 8vw;
  }
  .step-desc {
    font-size: 1rem;
    max-width: 640px;
  }
}
@media (min-width: 2560px) {
  .hero-h1 {
    font-size: clamp(4.5rem, 5.5vw, 7.5rem);
  }
  .service-name {
    font-size: clamp(5rem, 5vw, 9rem);
  }
  .mat-big-name {
    font-size: clamp(6rem, 6vw, 11rem);
  }
  .philo-block-left h2 {
    font-size: clamp(6rem, 6vw, 11rem);
  }
  .service-desc,
  .mat-desc,
  .step-desc,
  .tech-desc,
  .expertise-body p {
    font-size: 1.1rem;
  }
}

/* RESPONSIVE */
@media (max-width: 1200px) {
  .service-bg-num {
    font-size: clamp(8rem, 16vw, 18rem);
  }
}
@media (max-width: 900px) {
  html {
    cursor: auto;
  }
  #cursor,
  #cursor-ring {
    display: none;
  }
  #ld-bar-track,
  #ld-info {
    width: 88vw;
    max-width: 340px;
  }
  #nav {
    padding: 0 1.5rem;
  }
  .nav-links,
  .btn-cta {
    display: none;
  }
  #nav-hamburger {
    display: flex;
  }
  #apropos {
    grid-template-columns: 1fr;
    padding: 5rem 5vw;
    gap: 2.5rem;
  }
  .apropos-media {
    padding-top: 0;
    order: 2;
  }
  .apropos-content {
    padding-top: 0;
    order: 1;
  }
  .service-scene {
    grid-template-columns: 1fr;
    text-align: center;
    align-items: center;
    justify-items: center;
    padding: 5rem 6vw 2rem;
    row-gap: 1rem;
  }
  .service-info {
    padding-right: 0;
  }
  .service-bg-num {
    top: auto;
    bottom: 1rem;
    left: 4vw;
    transform: none;
  }
  .service-name {
    font-size: clamp(3rem, 11vw, 4.5rem);
    line-height: 0.9;
  }
  .service-desc {
    margin: 0 auto;
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 88vw;
  }
  .service-img-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    height: auto;
    max-height: 62vw;
    margin-top: 0.5rem;
  }
  .service-img {
    max-height: 60vw;
    max-width: 88vw;
    width: auto;
    object-fit: contain;
  }
  .lb-hint {
    display: none;
  }
  .tech-pair {
    grid-template-columns: 1fr;
  }
  .tech-pair.reverse .tech-img,
  .tech-pair.reverse .tech-info {
    order: unset;
  }
  .tech-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .tech-header-right {
    text-align: left;
  }
  .mat-sticky {
    display: block;
    overflow: visible;
    height: auto;
    top: 80px;
  }
  .mat-left {
    width: 100%;
    position: relative;
    padding: 2.5rem 6vw 1.5rem;
    background: rgba(20, 24, 29, 0.92);
    z-index: 3;
    text-align: center;
  }
  .mat-ey {
    justify-content: center;
    margin-bottom: 1rem;
  }
  .mat-big-name {
    font-size: clamp(2.6rem, 10vw, 5rem);
    line-height: 0.88;
  }
  .mat-desc {
    margin-top: 0.8rem;
    font-size: 0.88rem;
    line-height: 1.75;
    max-width: 100%;
  }
  .mat-tag-badge {
    margin-top: 0.8rem;
  }
  .mat-nav {
    margin-top: 1rem;
    gap: 0.5rem;
    justify-content: center;
  }
  .mat-nav-btn {
    padding: 0.5rem 0.9rem;
    font-size: 0.62rem;
  }
  .mat-right {
    width: 100%;
    height: 90vw;
    max-height: 62vh;
    position: relative;
  }
  .mat-slide {
    padding: 1rem;
  }
  .mat-right::after {
    background: linear-gradient(
      180deg,
      rgba(20, 24, 29, 0.75) 0%,
      transparent 40%
    );
  }
  .mat-side-dots {
    display: none;
  }
  .expertise-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .expertise-desc {
    text-align: left;
    max-width: none;
  }
  #techniques {
    padding: 5rem 0 4rem;
  }
  #process-steps {
    padding: 6rem 6vw 2.5rem;
  }
  #avant-apres {
    padding: 3rem 0 5rem;
  }
  #contact {
    padding: 6rem 6vw;
  }
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  #footer {
    padding: 4rem 5vw 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
  }
}
@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  #hero-video {
    object-fit: contain;
    object-position: center bottom;
    left: -6%;
    width: 112%;
  }
  .hero-subtitle {
    margin-top: 1.4rem;
  }
  .hero-cta {
    position: static;
    left: auto;
    bottom: auto;
    margin-top: 2.5rem;
    transform: translateY(12px);
  }
  .hero-cta.is-visible {
    transform: translateY(0);
  }
}

/* ============================================================
   PAGES ANNEXES — services / matériaux / secteurs / régions / guides
   ============================================================ */
.page-hero {
  padding: 10rem 6vw 6rem;
  background: var(--bg);
}
.page-hero .eyebrow {
  margin-bottom: 1.5rem;
}
.page-hero h1 {
  font: 300 clamp(2.8rem, 7.5vw, 8rem)/0.9 var(--serif);
  color: var(--cream);
  letter-spacing: -0.02em;
}
.page-hero h1 em {
  font-style: italic;
  color: var(--gold-lt);
}
.page-hero .lead {
  font: 300 1.08rem/2 var(--sans);
  color: var(--muted);
  max-width: 560px;
  margin-top: 2rem;
}

.breadcrumb {
  padding: 7.5rem 6vw 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  font: 400 0.6rem/1 var(--sans);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.breadcrumb a {
  color: var(--muted);
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--gold);
}
.breadcrumb span {
  color: var(--gold);
}
.breadcrumb + .page-hero {
  padding-top: 2rem;
}

.content-section {
  padding: 5rem 6vw;
  max-width: 900px;
}
.content-section.is-wide {
  max-width: 1100px;
}
.content-section h2 {
  font: 300 clamp(1.8rem, 3.2vw, 2.8rem)/1.15 var(--serif);
  color: var(--cream);
  margin-bottom: 1.5rem;
}
.content-section h2 em {
  font-style: italic;
  color: var(--gold-lt);
}
.content-section h3 {
  font: 400 1.1rem/1.4 var(--sans);
  color: var(--cream);
  margin: 2rem 0 0.8rem;
  letter-spacing: -0.01em;
}
.content-section p {
  font: 300 1.02rem/1.95 var(--sans);
  color: var(--muted);
  margin-bottom: 1.3rem;
}
.content-section p.lead-p {
  font-size: 1.15rem;
  color: var(--cream);
  opacity: 0.9;
}
.content-section ul.check-list {
  list-style: none;
  margin: 1.5rem 0;
}
.content-section ul.check-list li {
  position: relative;
  padding-left: 1.8rem;
  margin-bottom: 0.9rem;
  font: 300 1rem/1.7 var(--sans);
  color: var(--muted);
}
.content-section ul.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}
.content-section strong {
  color: var(--cream);
  font-weight: 400;
}
.content-section a {
  color: var(--gold);
  transition: opacity 0.3s;
}
.content-section a:hover {
  opacity: 0.7;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 2rem;
  padding: 3rem 6vw;
  background: var(--bg2);
  border-top: 1px solid var(--gold-border);
  border-bottom: 1px solid var(--gold-border);
}
.stat-strip div {
  text-align: center;
}
.stat-strip .stat-val {
  font: 300 clamp(1.8rem, 3vw, 2.6rem)/1 var(--serif);
  color: var(--gold-lt);
  margin-bottom: 0.5rem;
}
.stat-strip .stat-label {
  font: 400 0.58rem/1.4 var(--sans);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5px;
  background: var(--gold-border);
  margin-top: 1rem;
}
.hub-card {
  display: block;
  background: var(--bg);
  padding: 2.4rem 2rem;
  transition: background 0.35s;
}
.hub-card:hover {
  background: var(--bg2);
}
.hub-card .hub-num {
  font: 300 0.7rem/1 var(--sans);
  color: var(--gold);
  letter-spacing: 0.2em;
  margin-bottom: 1.2rem;
  display: block;
}
.hub-card h3 {
  font: 300 clamp(1.4rem, 2.2vw, 1.9rem)/1.15 var(--serif);
  color: var(--cream);
  margin-bottom: 0.8rem;
}
.hub-card h3 em {
  font-style: italic;
  color: var(--gold-lt);
}
.hub-card p {
  font: 300 0.92rem/1.7 var(--sans);
  color: var(--muted);
}

.related-links {
  padding: 4rem 6vw 6rem;
  border-top: 1px solid var(--gold-border);
}
.related-links .rl-title {
  font: 400 0.6rem/1 var(--sans);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2rem;
}
.related-links .rl-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.related-links .rl-grid a {
  display: inline-block;
  padding: 0.7rem 1.3rem;
  border: 1px solid var(--gold-border);
  font: 400 0.68rem/1 var(--sans);
  letter-spacing: 0.05em;
  color: var(--muted);
  transition:
    border-color 0.3s,
    color 0.3s;
}
.related-links .rl-grid a:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.compare-table-wrap {
  overflow-x: auto;
  margin: 2rem 0 3rem;
}
table.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}
table.compare-table th,
table.compare-table td {
  padding: 1rem 1.3rem;
  text-align: left;
  border-bottom: 1px solid var(--gold-border);
  font: 300 0.92rem/1.6 var(--sans);
  color: var(--muted);
}
table.compare-table th {
  font: 400 0.6rem/1 var(--sans);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
}
table.compare-table td:first-child,
table.compare-table th:first-child {
  color: var(--cream);
  font-weight: 400;
}
table.compare-table td.is-good {
  color: var(--gold-lt);
}

.mini-cta {
  margin: 6vw;
  padding: 4rem 4vw;
  border: 1px solid var(--gold-border);
  text-align: center;
}
.mini-cta h2 {
  font: 300 clamp(1.8rem, 3.5vw, 3rem)/1.15 var(--serif);
  color: var(--cream);
  margin-bottom: 1.2rem;
}
.mini-cta h2 em {
  font-style: italic;
  color: var(--gold-lt);
}
.mini-cta p {
  font: 300 1rem/1.8 var(--sans);
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 2rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font: 400 0.63rem/1 var(--sans);
  letter-spacing: 0.246em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 6rem 6vw 0;
  transition: opacity 0.3s;
}
.back-link:hover {
  opacity: 0.7;
}
.back-link::before {
  content: '←';
}

/* FAQ accordion — réutilisé sur toutes les pages annexes */
.faq-section {
  padding: 4rem 6vw 8rem;
  background: var(--bg);
  max-width: 900px;
}
.faq-category {
  margin-bottom: 3rem;
}
.faq-category-title {
  font: 400 0.63rem/1 var(--sans);
  letter-spacing: 0.369em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.faq-category-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gold-border);
}
.faq-item {
  border-bottom: 1px solid var(--gold-border);
  padding: 0;
}
.faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.8rem 0;
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  gap: 2rem;
}
.faq-trigger:hover .faq-q {
  color: var(--cream);
}
.faq-q {
  font: 300 clamp(1.05rem, 1.8vw, 1.3rem)/1.3 var(--serif);
  color: rgba(250, 250, 245, 0.85);
  transition: color 0.3s;
  letter-spacing: -0.01em;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border: 1px solid var(--gold-border);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  transition:
    border-color 0.3s,
    transform 0.4s;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--gold);
  transition:
    transform 0.35s,
    opacity 0.35s;
}
.faq-icon::before {
  width: 1px;
  height: 12px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.faq-icon::after {
  width: 12px;
  height: 1px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.faq-item.is-open .faq-icon {
  border-color: var(--gold);
  transform: rotate(45deg);
}
.faq-panel {
  height: 0;
  overflow: hidden;
  transition: height 0.4s var(--ease-out);
}
.faq-panel-inner {
  padding: 0 0 2rem;
  font: 300 1rem/2 var(--sans);
  color: var(--muted);
  max-width: 700px;
}
.faq-panel-inner strong {
  color: var(--cream);
  font-weight: 400;
}

@media (max-width: 600px) {
  .hub-grid {
    grid-template-columns: 1fr;
  }
  table.compare-table {
    min-width: 480px;
  }
}