/* =========================================================
   Sur Mesure 3D — V2
   Atelier d'artisanat numérique · Nouvelle-Calédonie
   Design system « Matière & Lumière » — classe, moderne, 2026
   Feuille de style unique · zéro dépendance
   ========================================================= */

/* ---------- Tokens : thèmes clair & sombre ---------- */
:root {
  /* Surfaces — papier chaud */
  --bg:           #f4f3ef;
  --bg-soft:      #ecebe4;
  --surface:      #ffffff;
  --surface-2:    #f8f7f3;
  --surface-3:    #f1efe9;
  --border:       #e5e1d8;
  --border-strong:#d6d1c6;

  /* Texte — contrastes renforcés (lisibilité AA) */
  --text:         #14161a;
  --text-soft:    #494c52;
  --text-mute:    #6f6d67;
  --on-accent:    #ffffff;

  /* Accent « lagon » + cuivre atelier */
  --accent:       #0d8f8a;
  --accent-2:     #15b8ad;
  --accent-strong:#0a6f6b;
  --accent-ink:   #073a38;
  --accent-soft:  #d8efed;
  --copper:       #c1763a;
  --copper-soft:  #f4e6d8;

  /* Dégradés signature */
  --grad-accent:  linear-gradient(135deg, var(--accent-strong) 0%, var(--accent) 45%, var(--accent-2) 100%);
  --grad-text:    linear-gradient(100deg, var(--accent-strong), var(--accent-2) 60%, var(--copper));
  --grad-band:    linear-gradient(135deg, #0a6f6b 0%, #0c4f4c 55%, #0a2f33 100%);

  /* Verre */
  --glass:        color-mix(in srgb, var(--surface) 72%, transparent);
  --glass-border: color-mix(in srgb, var(--border-strong) 70%, transparent);

  /* Ombres */
  --shadow-sm: 0 1px 2px rgba(20,18,15,.05), 0 2px 8px rgba(20,18,15,.05);
  --shadow-md: 0 8px 28px rgba(20,18,15,.08), 0 2px 8px rgba(20,18,15,.05);
  --shadow-lg: 0 24px 60px rgba(20,18,15,.13), 0 6px 16px rgba(20,18,15,.06);
  --shadow-glow: 0 18px 50px color-mix(in srgb, var(--accent) 28%, transparent);
  --ring: 0 0 0 3px color-mix(in srgb, var(--accent) 32%, transparent);

  --radius:    20px;
  --radius-sm: 14px;
  --radius-lg: 30px;
  --radius-pill: 999px;

  --maxw: 1200px;
  --step: clamp(1rem, 2.5vw, 1.6rem);

  --font:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: "Space Grotesk", "Inter", system-ui, sans-serif;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
}

:root[data-theme="dark"] {
  --bg:           #0b0d11;
  --bg-soft:      #0f1218;
  --surface:      #14181f;
  --surface-2:    #1a1f28;
  --surface-3:    #20262f;
  --border:       #262c37;
  --border-strong:#343c49;

  --text:         #f0efea;
  --text-soft:    #c4c1b9;
  --text-mute:    #8c8980;
  --on-accent:    #04211f;

  --accent:       #25c2b9;
  --accent-2:     #57e2d8;
  --accent-strong:#54d8d0;
  --accent-ink:   #bff3ef;
  --accent-soft:  #0f3835;
  --copper:       #e3a05a;
  --copper-soft:  #34281c;

  --grad-band:    linear-gradient(135deg, #0c4f4c 0%, #0a2f33 55%, #07171c 100%);

  --glass:        color-mix(in srgb, var(--surface) 64%, transparent);
  --glass-border: color-mix(in srgb, var(--border-strong) 80%, transparent);

  --shadow-sm: 0 1px 2px rgba(0,0,0,.45);
  --shadow-md: 0 10px 30px rgba(0,0,0,.5);
  --shadow-lg: 0 28px 64px rgba(0,0,0,.6);
  --shadow-glow: 0 18px 50px color-mix(in srgb, var(--accent) 34%, transparent);
  --ring: 0 0 0 3px color-mix(in srgb, var(--accent) 38%, transparent);
}

/* ---------- Reset léger ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 110px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  letter-spacing: .005em;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .45s var(--ease), color .45s var(--ease);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; color: inherit; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

/* ---------- Typographie ---------- */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.08; letter-spacing: -.02em; color: var(--text); text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 1.7rem + 4vw, 4.6rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3.2rem); }
h3 { font-size: clamp(1.25rem, 1.05rem + .7vw, 1.6rem); }
p { text-wrap: pretty; }

.lead { font-size: clamp(1.12rem, 1rem + .55vw, 1.35rem); color: var(--text-soft); max-width: 62ch; line-height: 1.6; }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--step); }
.section { padding-block: clamp(4rem, 9vw, 8rem); position: relative; }
.section.tight { padding-block: clamp(2.5rem, 5vw, 4rem); }

/* Eyebrow → badge pilule élégant */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font);
  font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-strong);
  padding: .45rem .9rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  line-height: 1;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }

/* Section header */
.section-head { max-width: 64ch; margin-bottom: clamp(2.2rem, 5vw, 3.6rem); }
.section-head .eyebrow { margin-bottom: 1.1rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .lead { margin-top: 1.1rem; }
.section-head.center .lead { margin-inline: auto; }
.section-head.center .eyebrow { justify-content: center; }

/* ---------- Barre de progression de défilement ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: var(--grad-accent); z-index: 100;
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 60%, transparent);
  transition: width .1s linear;
}

/* ---------- Lueur curseur ---------- */
.cursor-glow {
  position: fixed; top: 0; left: 0; width: 460px; height: 460px;
  border-radius: 50%; pointer-events: none; z-index: 0;
  transform: translate3d(-50%, -50%, 0);
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 16%, transparent), transparent 62%);
  opacity: 0; transition: opacity .5s var(--ease);
  will-change: transform;
}
body.glow-on .cursor-glow { opacity: 1; }

/* ---------- Boutons ---------- */
.btn {
  --pad-y: .9rem; --pad-x: 1.6rem;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: var(--pad-y) var(--pad-x);
  border-radius: var(--radius-pill);
  font-weight: 600; font-size: .98rem; letter-spacing: .01em;
  border: 1px solid transparent;
  transition: transform .25s var(--ease-spring), box-shadow .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
  will-change: transform; overflow: hidden; isolation: isolate;
}
.btn svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px) scale(.99); }
.btn-lg { --pad-y: 1.1rem; --pad-x: 2.1rem; font-size: 1.05rem; }

.btn-primary { background: var(--grad-accent); color: var(--on-accent); box-shadow: var(--shadow-glow); background-size: 160% 160%; background-position: 0% 50%; }
.btn-primary:hover { background-position: 100% 50%; box-shadow: 0 24px 56px color-mix(in srgb, var(--accent) 38%, transparent); }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-strong); box-shadow: var(--shadow-md); }
.btn-ghost:hover svg { transform: translateX(4px); }

/* shimmer au survol du bouton primaire */
.btn-primary::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
  transform: translateX(-130%); transition: transform .7s var(--ease);
}
.btn-primary:hover::after { transform: translateX(130%); }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--border); box-shadow: 0 6px 24px rgba(20,18,15,.06); }
:root[data-theme="dark"] .site-header.scrolled { box-shadow: 0 6px 24px rgba(0,0,0,.4); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 92px; gap: 1rem; }
@media (max-width: 680px) { .nav { height: 76px; } }

.brand { display: inline-flex; align-items: center; gap: .65rem; font-family: var(--serif); font-weight: 700; font-size: 1.18rem; }
.brand-logo {
  display: block; height: 86px; width: calc(86px * 1444 / 475); flex: 0 0 auto;
  background: url("../img/logo.webp") left center / contain no-repeat;
  transition: transform .35s var(--ease-spring);
}
.brand:hover .brand-logo { transform: scale(1.04); }
.brand-logo-lg { height: 132px; width: calc(132px * 1444 / 475); }
:root[data-theme="dark"] .brand-logo { background-image: url("../img/logo-dark.webp"); }
@media (max-width: 680px) { .brand-logo { height: 64px; width: calc(64px * 1444 / 475); } }
@media (max-width: 420px) { .brand-logo { height: 52px; width: calc(52px * 1444 / 475); } }

.nav-links { display: flex; align-items: center; gap: .2rem; }
.nav-links a {
  position: relative;
  padding: .55rem .95rem; border-radius: var(--radius-pill);
  font-weight: 500; font-size: .96rem; color: var(--text-soft);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 50%; bottom: .3rem; width: 0; height: 2px;
  background: var(--accent); border-radius: 2px; transform: translateX(-50%);
  transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 18px; }
.nav-links a.active { color: var(--accent-strong); background: var(--accent-soft); }
.nav-links a.active::after { width: 0; }

.nav-actions { display: flex; align-items: center; gap: .55rem; }

.theme-toggle {
  width: 44px; height: 44px; border-radius: var(--radius-pill);
  display: grid; place-items: center;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  transition: transform .35s var(--ease-spring), border-color .25s, background .25s, color .25s;
}
.theme-toggle:hover { transform: rotate(-18deg) scale(1.06); border-color: var(--accent); color: var(--accent-strong); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: var(--radius-pill); background: var(--surface-2); border: 1px solid var(--border); color: var(--text); place-items: center; }

/* ---------- Aurora / fond signature ---------- */
.aurora { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.aurora span {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55;
  will-change: transform;
}
.aurora .a1 { width: 46vw; height: 46vw; max-width: 620px; max-height: 620px; top: -14%; right: -8%;
  background: radial-gradient(circle at 40% 40%, color-mix(in srgb, var(--accent) 60%, transparent), transparent 68%);
  animation: drift1 20s var(--ease) infinite alternate; }
.aurora .a2 { width: 40vw; height: 40vw; max-width: 540px; max-height: 540px; bottom: -18%; left: -10%;
  background: radial-gradient(circle at 60% 40%, color-mix(in srgb, var(--copper) 42%, transparent), transparent 66%);
  animation: drift2 26s var(--ease) infinite alternate; }
.aurora .a3 { width: 34vw; height: 34vw; max-width: 460px; max-height: 460px; top: 30%; left: 40%;
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--accent-2) 40%, transparent), transparent 64%);
  animation: drift3 24s var(--ease) infinite alternate; opacity: .4; }
@keyframes drift1 { to { transform: translate(-6%, 8%) scale(1.12); } }
@keyframes drift2 { to { transform: translate(8%, -6%) scale(1.1); } }
@keyframes drift3 { to { transform: translate(-10%, -8%) scale(1.18); } }

/* fine grille technique sur certaines sections */
.gridlines::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(color-mix(in srgb, var(--border) 60%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--border) 60%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(2.5rem, 5vw, 4.5rem) clamp(2rem, 3.5vw, 3.5rem); }
.hero .eyebrow { font-size: .72rem; padding: .38rem .75rem; }
.hero-grid { position: relative; z-index: 1; display: grid; gap: clamp(1.4rem, 2.6vw, 2.4rem); align-items: center; grid-template-columns: 1fr 1.32fr; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { margin-top: 1.2rem; font-size: clamp(2.3rem, 1.6rem + 3vw, 3.6rem); }
.hero .lead { margin-top: 1.2rem; max-width: 52ch; font-size: clamp(1rem, 0.95rem + .35vw, 1.2rem); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem 1.1rem; margin-top: 1.8rem; }

/* Stats hero — REDESIGN : libellés bien plus grands & lisibles */
.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  margin-top: 2.2rem; padding-top: 1.8rem;
  border-top: 1px solid var(--border);
}
.stat { position: relative; padding-left: 1.1rem; }
.stat::before { content: ""; position: absolute; left: 0; top: .35rem; bottom: .35rem; width: 3px; border-radius: 3px; background: var(--grad-accent); }
.stat-num {
  display: block; font-family: var(--serif); font-weight: 700;
  font-size: clamp(1.8rem, 1.4rem + 1.6vw, 2.6rem); line-height: 1;
  letter-spacing: -.02em;
}
.stat-num.is-accent { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.stat-label {
  display: block; margin-top: .45rem;
  font-size: clamp(1rem, 0.95rem + .35vw, 1.2rem);
  font-weight: 600; line-height: 1.18; color: var(--text);
  font-family: var(--serif); letter-spacing: -.01em;
}
.stat-label small { display: block; font-family: var(--font); font-weight: 500; font-size: .62em; color: var(--text-mute); letter-spacing: .01em; margin-top: .15rem; }

/* Collage hero (tuiles cliquables) avec parallaxe / tilt */
.hero-photo { position: relative; perspective: 1200px; z-index: 1; }
.hero-collage {
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 12px;
  aspect-ratio: 1 / 1; transform-style: preserve-3d;
  transition: transform .4s var(--ease);
}
.hero-collage > a.tile { display: block; min-width: 0; color: #fff; transform: translateZ(0); }
.hero-collage > a.tile:nth-child(1) { --tz: 30px; }
.hero-collage > a.tile:nth-child(2) { --tz: 14px; margin-top: 8%; }
.hero-collage > a.tile:nth-child(3) { --tz: 14px; margin-bottom: 8%; }
.hero-collage > a.tile:nth-child(4) { --tz: 30px; }
.hero-collage > a.tile > figure {
  position: relative; margin: 0; overflow: hidden; border-radius: var(--radius); height: 100%;
  box-shadow: var(--shadow-lg); border: 1px solid var(--glass-border);
  transform: translateZ(var(--tz)); transition: transform .5s var(--ease), box-shadow .4s var(--ease);
}
.hero-collage img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.hero-collage a.tile:hover figure { box-shadow: var(--shadow-glow); }
.hero-collage a.tile:hover img { transform: scale(1.08); }
.hero-collage figcaption {
  position: absolute; inset: auto 0 0 0; padding: 1.1rem .8rem .7rem;
  background: linear-gradient(to top, rgba(8,10,12,.86), rgba(8,10,12,.25) 70%, transparent);
  color: #fff; font-size: .82rem; font-weight: 600; letter-spacing: .01em;
  display: flex; align-items: center; justify-content: space-between; gap: .4rem;
}
.hero-collage figcaption svg { width: 16px; height: 16px; opacity: 0; transform: translateX(-6px); transition: opacity .3s var(--ease), transform .3s var(--ease); flex: 0 0 auto; }
.hero-collage a.tile:hover figcaption svg,
.hero-collage a.tile:focus-visible figcaption svg { opacity: 1; transform: translateX(0); }

/* ---------- Marquee savoir-faire ---------- */
.marquee { position: relative; z-index: 1; border-block: 1px solid var(--border); background: var(--surface-2); padding-block: 1.15rem; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 3rem; white-space: nowrap; width: max-content; animation: scroll 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee a { color: var(--text-mute); font-weight: 600; letter-spacing: .03em; font-size: 1rem; display: inline-flex; align-items: center; gap: .65rem; transition: color .25s var(--ease); }
.marquee a::before { content: "◆"; color: var(--accent); font-size: .62rem; }
.marquee a:hover { color: var(--accent-strong); }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- Grilles & cartes ---------- */
.grid { display: grid; gap: 1.5rem; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; isolation: isolate;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
/* halo lumineux qui suit le curseur */
.card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%);
  transition: opacity .4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.card:hover::before { opacity: 1; }
.card .ic { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); margin-bottom: 1.2rem; transition: transform .35s var(--ease-spring), background .35s, color .35s; }
.card .ic svg { width: 28px; height: 28px; }
.card:hover .ic { transform: scale(1.08) rotate(-4deg); background: var(--grad-accent); color: #fff; }
.card h3 { margin-bottom: .55rem; }
.card p { color: var(--text-soft); font-size: 1rem; }
.card ul.tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.1rem; }
.card ul.tags li { font-size: .78rem; padding: .3rem .7rem; border-radius: var(--radius-pill); background: var(--surface-2); border: 1px solid var(--border); color: var(--text-mute); }

a.card, a.card-link { color: inherit; display: flex; flex-direction: column; }
.card-link .ic { align-self: flex-start; }
.card-link p { flex: 1 1 auto; }
.card-go { display: inline-flex; align-items: center; gap: .45rem; margin-top: auto; padding-top: 1.2rem; font-weight: 600; font-size: .94rem; color: var(--accent-strong); }
.card-go svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
a.card-link:hover .card-go { color: var(--accent); }
a.card-link:hover .card-go svg, a.card-go:hover svg { transform: translateX(6px); }

/* cartes avec photo (services) */
.card.has-photo { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.card-photo { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--surface-2); display: block; color: inherit; }
.card-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.card.has-photo:hover .card-photo img { transform: scale(1.07); }
.card-photo .ic { position: absolute; left: 1.2rem; bottom: -26px; margin: 0; box-shadow: var(--shadow-md); border: 3px solid var(--surface); }
.card.has-photo .card-body { padding: 1.8rem; padding-top: 2.4rem; }
.card.has-photo .card-body h3 { margin-bottom: .55rem; }
.card.has-photo .card-body p { color: var(--text-soft); }

/* ---------- Étapes process ---------- */
.steps { counter-reset: step; }
.step-card { position: relative; padding-top: 3.4rem; overflow: hidden; }
.step-card::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; left: 1.8rem; top: 1.1rem;
  font-family: var(--serif); font-weight: 700; font-size: 2rem;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.step-card::after {
  content: ""; position: absolute; top: 1.5rem; right: 1.6rem; width: 34px; height: 34px; border-radius: 50%;
  border: 1.5px solid var(--border); opacity: .6;
}

/* ---------- Galerie aperçu (accueil) ---------- */
.gallery { display: grid; gap: 1rem; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 210px; }
.gallery > a { display: block; height: 100%; color: #fff; }
.gallery > a > figure { position: relative; margin: 0; height: 100%; border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.gallery > a:hover img { transform: scale(1.08); }
.gallery figcaption {
  position: absolute; inset: auto 0 0 0; padding: 1.3rem .9rem .85rem;
  background: linear-gradient(to top, rgba(8,10,12,.85), transparent);
  color: #fff; font-weight: 600; font-size: .92rem;
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
}
.gallery figcaption svg { width: 17px; height: 17px; opacity: 0; transform: translateX(-6px); transition: opacity .3s var(--ease), transform .3s var(--ease); flex: 0 0 auto; }
.gallery > a:hover figcaption svg, .gallery > a:focus-visible figcaption svg { opacity: 1; transform: translateX(0); }
.gallery .g-tall { grid-row: span 2; }
.gallery .g-wide { grid-column: span 2; }
.gallery .g-big { grid-column: span 2; grid-row: span 2; }

/* ---------- CTA bandeau (lisibilité corrigée) ---------- */
.cta-band {
  position: relative; overflow: hidden; isolation: isolate;
  border-radius: var(--radius-lg); padding: clamp(2.8rem, 6vw, 5rem) clamp(1.6rem, 5vw, 4rem);
  text-align: center; background: var(--grad-band); color: #fff;
  box-shadow: var(--shadow-lg);
  border: 1px solid color-mix(in srgb, #ffffff 12%, transparent);
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .8;
  background:
    radial-gradient(40vw 40vw at 15% 0%, color-mix(in srgb, var(--accent-2) 55%, transparent), transparent 60%),
    radial-gradient(36vw 36vw at 90% 110%, color-mix(in srgb, var(--copper) 40%, transparent), transparent 60%);
}
.cta-band::after { /* grain léger pour la matière */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .05; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.9) .5px, transparent .5px); background-size: 4px 4px;
}
.cta-band .eyebrow { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.28); color: #fff; margin-bottom: 1.2rem; }
.cta-band .eyebrow::before { background: #fff; box-shadow: 0 0 0 4px rgba(255,255,255,.25); }
.cta-band h2 { color: #fff; font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.4rem); }
.cta-band p { color: rgba(255,255,255,.92); max-width: 56ch; margin: 1.2rem auto 0; font-size: clamp(1.05rem, 1rem + .4vw, 1.25rem); }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 1.1rem 1.4rem; margin-top: 2.6rem; }
.cta-band .btn-primary { background: #fff; color: var(--accent-strong); box-shadow: 0 16px 40px rgba(0,0,0,.28); }
.cta-band .btn-primary:hover { background: #f3f3f3; color: var(--accent-ink); }
.cta-band .btn-ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.55); box-shadow: none; }
.cta-band .btn-ghost:hover { background: rgba(255,255,255,.16); color: #fff; border-color: #fff; }

/* ---------- Cartes contact ---------- */
.contact-grid { display: grid; gap: 1.1rem; grid-template-columns: repeat(3, 1fr); }
.contact-card {
  display: flex; align-items: center; gap: 1.1rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 1.3rem 1.4rem; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s; color: var(--text);
}
.contact-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-md); }
.contact-card .ci { width: 48px; height: 48px; flex: 0 0 auto; border-radius: 13px; background: var(--accent-soft); color: var(--accent-strong); display: grid; place-items: center; transition: background .3s, color .3s; }
.contact-card:hover .ci { background: var(--grad-accent); color: #fff; }
.contact-card .ci svg { width: 22px; height: 22px; }
.contact-card .meta span { display: block; font-size: .78rem; color: var(--text-mute); }
.contact-card .meta strong { font-size: 1.03rem; }

/* ---------- Footer ---------- */
.site-footer { position: relative; border-top: 1px solid var(--border); background: var(--surface-2); padding-block: 3.5rem 2rem; margin-top: 3rem; overflow: hidden; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.4rem; position: relative; z-index: 1; }
.footer-grid h4 { font-family: var(--font); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 1.1rem; }
.footer-grid a { color: var(--text-soft); display: inline-block; padding: .22rem 0; transition: color .25s var(--ease), transform .25s var(--ease); }
.footer-grid a:hover { color: var(--accent-strong); transform: translateX(3px); }
.footer-contact a { display: flex; align-items: center; gap: .6rem; }
.footer-contact a svg { width: 16px; height: 16px; flex: 0 0 auto; color: var(--accent); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 2.8rem; padding-top: 1.6rem; border-top: 1px solid var(--border); color: var(--text-mute); font-size: .85rem; position: relative; z-index: 1; }

/* ---------- Reveal au scroll (avec stagger) ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--reveal-delay, 0ms); }
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .12s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .19s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .26s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: .33s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: .40s; }

/* =========================================================
   Wizard « Votre projet »
   ========================================================= */
.wizard { max-width: 780px; margin-inline: auto; }
.progress { display: flex; align-items: center; gap: .7rem; margin-bottom: 2.4rem; }
.progress .pct { font-size: .85rem; color: var(--text-mute); font-variant-numeric: tabular-nums; min-width: 3ch; font-weight: 600; }
.progress .bar { flex: 1; height: 8px; border-radius: 999px; background: var(--surface-3); overflow: hidden; border: 1px solid var(--border); }
.progress .bar > i { display: block; height: 100%; width: 0%; background: var(--grad-accent); border-radius: 999px; transition: width .5s var(--ease); }

.fieldset-step { display: none; border: 0; padding: 0; }
.fieldset-step.active { display: block; animation: fade .45s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.step-q { font-family: var(--serif); font-weight: 700; font-size: clamp(1.6rem,1.2rem+1.6vw,2.3rem); margin-bottom: .5rem; letter-spacing: -.02em; }
.step-help { color: var(--text-soft); margin-bottom: 1.9rem; font-size: 1.05rem; }

.choices { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
.choice {
  position: relative; display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.2rem 1.3rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); cursor: pointer;
  transition: border-color .25s var(--ease), background .25s, transform .25s var(--ease-spring), box-shadow .25s;
}
.choice:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice .ci { width: 44px; height: 44px; flex: 0 0 auto; border-radius: 12px; background: var(--accent-soft); color: var(--accent-strong); display: grid; place-items: center; transition: background .25s, color .25s; }
.choice .ci svg { width: 23px; height: 23px; }
.choice .ctxt strong { display: block; font-size: 1.05rem; }
.choice .ctxt span { font-size: .88rem; color: var(--text-mute); }
.choice:has(input:checked) .ci { background: var(--grad-accent); color: #fff; }
.choice:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 9%, var(--surface)); box-shadow: var(--ring); }
.choice .check { position: absolute; top: .9rem; right: .9rem; width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--border); display: grid; place-items: center; color: #fff; transition: background .2s, border-color .2s; }
.choice:has(input:checked) .check { background: var(--accent); border-color: var(--accent); }
.choice:has(input:checked) .check svg { opacity: 1; }
.choice .check svg { width: 13px; height: 13px; opacity: 0; }

.field { margin-bottom: 1.4rem; }
.field > label { display: block; font-weight: 600; margin-bottom: .5rem; font-size: .96rem; }
.field .hint { font-weight: 400; color: var(--text-mute); font-size: .82rem; }
.input, .textarea, select.input {
  width: 100%; padding: .9rem 1.05rem; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--surface); color: var(--text);
  font: inherit; transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.input:focus, .textarea:focus, select.input:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
.textarea { min-height: 130px; resize: vertical; }
.row { display: grid; gap: 1.1rem; grid-template-columns: repeat(2, 1fr); }
.file-drop { border: 1.5px dashed var(--border-strong); border-radius: var(--radius-sm); padding: 1.6rem; text-align: center; color: var(--text-mute); background: var(--surface-2); transition: border-color .25s, color .25s, background .25s; }
.file-drop:hover { border-color: var(--accent); color: var(--text-soft); background: var(--surface-3); }
.file-drop input { display: block; margin: .9rem auto 0; }

.wizard-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.2rem; }
.wizard-nav .spacer { flex: 1; }

.recap { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.5rem 1.7rem; margin-bottom: 1.6rem; }
.recap h3 { font-family: var(--font); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 1rem; }
.recap dl { display: grid; grid-template-columns: auto 1fr; gap: .55rem 1.3rem; font-size: .96rem; }
.recap dt { color: var(--text-mute); }
.recap dd { color: var(--text); font-weight: 600; }
.recap .empty { color: var(--text-mute); font-style: italic; }

.error-msg { color: #c0392b; font-size: .86rem; margin-top: .6rem; display: none; }
:root[data-theme="dark"] .error-msg { color: #ff8d7a; }
.field.invalid .input, .field.invalid .textarea { border-color: #c0392b; }
.fieldset-step.shake { animation: shake .4s; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-8px)} 75%{transform:translateX(8px)} }

/* ---------- Page succès ---------- */
.success-wrap { min-height: 70vh; display: grid; place-items: center; text-align: center; position: relative; z-index: 1; }
.success-icon { width: 96px; height: 96px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-strong); display: grid; place-items: center; margin: 0 auto 1.6rem; animation: pop .6s var(--ease-spring); }
.success-icon svg { width: 48px; height: 48px; }
@keyframes pop { 0% { transform: scale(.6); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }

/* ---------- FAQ ---------- */
.faq details { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); margin-bottom: .9rem; overflow: hidden; transition: border-color .25s, box-shadow .25s; }
.faq details[open] { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); box-shadow: var(--shadow-sm); }
.faq summary { padding: 1.2rem 1.4rem; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; color: var(--accent); transition: transform .3s var(--ease); line-height: 1; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 1.4rem 1.3rem; color: var(--text-soft); }

/* =========================================================
   Galerie (masonry) + Lightbox
   ========================================================= */
.galerie-grid { columns: 3 290px; column-gap: 1.1rem; }
.galerie-empty { color: var(--text-mute); font-style: italic; padding: 2rem 0; }
.galerie-item {
  break-inside: avoid; margin: 0 0 1.1rem; position: relative;
  border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border); cursor: zoom-in;
  opacity: 0; transform: translateY(18px) scale(.98);
  transition: opacity .7s var(--ease), transform .7s var(--ease), box-shadow .3s var(--ease);
}
.galerie-item.in { opacity: 1; transform: none; }
.galerie-item:hover { box-shadow: var(--shadow-lg); }
.galerie-item img { width: 100%; height: auto; display: block; transition: transform .7s var(--ease); }
.galerie-item:hover img { transform: scale(1.05); }
.galerie-item figcaption { position: absolute; inset: auto 0 0 0; padding: 1.1rem .85rem .75rem; background: linear-gradient(to top, rgba(8,10,12,.85), transparent); color: #fff; font-weight: 600; font-size: .9rem; }
@media (max-width: 680px) { .galerie-grid { columns: 2 150px; } }
@media (max-width: 420px) { .galerie-grid { columns: 1; } }

.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(6,7,9,.95); backdrop-filter: blur(6px); display: grid; place-items: center; padding: 5vh 4vw; }
.lightbox.open { animation: lbIn .3s var(--ease); }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }
.lightbox[hidden] { display: none; }
.lightbox-figure { margin: 0; max-width: 100%; max-height: 100%; display: grid; gap: .9rem; place-items: center; }
.lightbox-figure img { max-width: 92vw; max-height: 82vh; border-radius: 10px; box-shadow: 0 24px 70px rgba(0,0,0,.55); animation: lbImg .35s var(--ease); }
@keyframes lbImg { from { transform: scale(.95); opacity: 0; } to { transform: none; opacity: 1; } }
.lightbox-figure figcaption { color: #fff; font-weight: 600; font-size: 1rem; text-align: center; max-width: 60ch; }
.lightbox-close, .lightbox-nav { position: absolute; z-index: 2; width: 50px; height: 50px; border-radius: 50%; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); color: #fff; display: grid; place-items: center; cursor: pointer; transition: background .25s, transform .25s var(--ease-spring); }
.lightbox-close:hover, .lightbox-nav:hover { background: rgba(255,255,255,.24); transform: scale(1.08); }
.lightbox-close { top: 3vh; right: 3vw; }
.lightbox-close svg { width: 22px; height: 22px; }
.lightbox-nav { top: 50%; transform: translateY(-50%); }
.lightbox-nav svg { width: 26px; height: 26px; }
.lightbox-prev { left: 2vw; } .lightbox-next { right: 2vw; }
.lightbox-prev:hover { transform: translateY(-50%) scale(1.08); } .lightbox-next:hover { transform: translateY(-50%) scale(1.08); }
@media (max-width: 680px) { .lightbox-nav { width: 42px; height: 42px; } .lightbox-prev { left: 1vw; } .lightbox-next { right: 1vw; } .lightbox-figure img { max-width: 96vw; max-height: 76vh; } }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photo { max-width: 520px; margin-inline: auto; width: 100%; }
  .cols-3, .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 180px; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .nav-links { position: fixed; inset: 76px 0 auto 0; flex-direction: column; gap: .2rem; padding: 1rem var(--step) 1.6rem; background: color-mix(in srgb, var(--bg) 99%, transparent); backdrop-filter: blur(18px); border-bottom: 1px solid var(--border); transform: translateY(-135%); transition: transform .4s var(--ease); align-items: stretch; box-shadow: var(--shadow-md); }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: .95rem 1rem; border-radius: var(--radius-sm); }
  .nav-links a::after { display: none; }
  .nav-toggle { display: grid; }
  .nav-actions .btn-primary { display: none; }   /* le lien "Votre projet" est déjà dans le menu */
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
  .choices { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 1.4rem; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .gallery .g-big { grid-column: span 2; }
}
@media (min-width: 1540px) { :root { --maxw: 1320px; } }