/* ================================================================
   HILTICE — Design System v3
   Studio de création de marques, expériences & systèmes.
   Montserrat seul. Alternance de sections noir / blanc cassé.
   Animations pilotées par GSAP (voir js/main.js) — le CSS gère
   les tokens, le layout, les hovers et les transitions courtes.
   ================================================================ */

:root {
  /* ── Palette DARK (valeurs par défaut, réaffectées par .section--light) ── */
  --bg:           #000000;
  --bg-raised:    #0D0D0D;
  --fg:           #F2F0EA;
  --fg-muted:     #8C8C86;
  --fg-faint:     #383834;
  --border:       #1E1E1B;
  --border-hover: #333330;
  --accent:       #F2F0EA;

  /* ── Matière "liquid glass" (réaffectée par section) ── */
  --glass-bg:        rgba(255, 255, 255, 0.07);
  --glass-bg-strong: rgba(255, 255, 255, 0.12);
  --glass-border:    rgba(255, 255, 255, 0.14);
  --glass-highlight: rgba(255, 255, 255, 0.5);
  --glass-shadow:    0 1px 1px rgba(0,0,0,0.2), 0 8px 30px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.09);
  --blur-sm: 16px;
  --blur-md: 28px;
  --blur-lg: 48px;

  --font:      'Montserrat', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* ── Typographie éditoriale ── */
  --text-hero:    clamp(2.75rem, 7.2vw, 7rem);
  --text-display: clamp(2.25rem, 5vw, 4.25rem);
  --text-h2:      clamp(1.75rem, 3.6vw, 2.75rem);
  --text-h3:      clamp(1.25rem, 2.2vw, 1.75rem);
  --text-lg:      1.25rem;
  --text-base:    1rem;
  --text-sm:      0.875rem;
  --text-xs:      0.75rem;
  --text-micro:   0.6875rem;

  /* ── Espacements ── */
  --sp-3xs: 0.25rem;
  --sp-2xs: 0.5rem;
  --sp-xs:  0.75rem;
  --sp-sm:  1rem;
  --sp-md:  1.5rem;
  --sp-lg:  2.5rem;
  --sp-xl:  4.5rem;
  --sp-2xl: 7.5rem;
  --sp-3xl: 10rem;

  --radius-sm: 10px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 100px;

  --ease:        cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast:   0.2s var(--ease);
  --t-normal: 0.4s var(--ease);
  --t-slow:   0.8s var(--ease);

  --container: 1360px;
  --edge: clamp(1.25rem, 4vw, 3rem);
}

/* Moins de transparence demandée par le système : matière plus opaque, flou réduit — partout, via les tokens */
@media (prefers-reduced-transparency: reduce) {
  :root {
    --glass-bg:        rgba(10, 10, 10, 0.92);
    --glass-bg-strong: rgba(10, 10, 10, 0.97);
    --glass-border:    rgba(255, 255, 255, 0.22);
    --blur-sm: 0px;
    --blur-md: 0px;
    --blur-lg: 0px;
  }
  .section--light {
    --glass-bg:        rgba(255, 255, 255, 0.95);
    --glass-bg-strong: rgba(255, 255, 255, 0.99);
    --glass-border:    rgba(10, 10, 10, 0.16);
  }
}

/* Mouvement réduit demandé par le système : les animations CSS en boucle infinie
   (indépendantes du JS, déjà géré via gsap.matchMedia) sont figées. */
@media (prefers-reduced-motion: reduce) {
  .liquid-bg span,
  .grain,
  .scroll-hint-line::after,
  .marquee-content,
  .process-line-pulse {
    animation: none;
  }
}

/* Contraste renforcé demandé par le système : fonds quasi pleins + bordure nette */
@media (prefers-contrast: more) {
  :root {
    --glass-border: rgba(255, 255, 255, 0.4);
    --border:       rgba(255, 255, 255, 0.35);
  }
  .section--light {
    --glass-border: rgba(10, 10, 10, 0.4);
    --border:       rgba(10, 10, 10, 0.35);
  }
}

/* ── RESET ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; font-size: 16px; }
body {
  font-family: var(--font);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--fg);
  background-color: var(--bg);
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
::selection { background: var(--fg); color: var(--bg); }
:focus-visible { outline: 1.5px solid var(--fg); outline-offset: 3px; border-radius: 2px; }
:focus:not(:focus-visible) { outline: none; }

/* Lien d'évitement clavier — invisible jusqu'au focus */
.skip-link {
  position: fixed;
  top: -100px;
  left: var(--sp-sm);
  z-index: 10000;
  padding: var(--sp-sm) var(--sp-lg);
  background: #F2F0EA;
  color: #0A0A0A;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: top var(--t-fast);
}
.skip-link:focus {
  top: var(--sp-sm);
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
a { color: inherit; text-decoration: none; transition: color var(--t-fast), opacity var(--t-fast); }
img, svg, video { display: block; max-width: 100%; }
ul[role="list"] { list-style: none; }
address { font-style: normal; }
button { background: none; border: none; cursor: pointer; font-family: inherit; color: inherit; }

/* ── UTILITAIRES ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--edge);
}

/* Bascule de thème par section — c'est le cœur du rythme éditorial */
.section--dark {
  --bg:           #000000;
  --bg-raised:    #0D0D0D;
  --fg:           #F2F0EA;
  --fg-muted:     #8C8C86;
  --fg-faint:     #383834;
  --border:       #1E1E1B;
  --border-hover: #333330;
  --glass-bg:        rgba(255, 255, 255, 0.06);
  --glass-bg-strong: rgba(255, 255, 255, 0.11);
  --glass-border:    rgba(255, 255, 255, 0.13);
  --glass-highlight: rgba(255, 255, 255, 0.45);
  --glass-shadow:    0 1px 1px rgba(0,0,0,0.3), 0 8px 30px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.08);
  background-color: var(--bg);
  color: var(--fg);
}
.section--light {
  --bg:           #F2F0EA;
  --bg-raised:    #E7E4DB;
  --fg:           #0A0A0A;
  --fg-muted:     #6B6B64;
  --fg-faint:     #C4C0B3;
  --border:       #DCD8CC;
  --border-hover: #C4C0B3;
  --glass-bg:        rgba(255, 255, 255, 0.5);
  --glass-bg-strong: rgba(255, 255, 255, 0.68);
  --glass-border:    rgba(255, 255, 255, 0.65);
  --glass-highlight: rgba(255, 255, 255, 0.9);
  --glass-shadow:    0 1px 1px rgba(10,10,10,0.03), 0 8px 30px rgba(10,10,10,0.08), inset 0 1px 0 rgba(255,255,255,0.7);
  background-color: var(--bg);
  color: var(--fg);
}

/* ── MATIÈRE GLASS — utilitaire réutilisable (nav, cards, chips) ── */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(160%);
  backdrop-filter: blur(var(--blur-md)) saturate(160%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* ── FOND LIQUIDE — halos dégradés flous, matière derrière le verre ── */
.liquid-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
  transform: scale(1.3);
  transform-origin: 78% 48%;
  z-index: 0;
  pointer-events: none;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.6) 42%, rgba(10,10,10,0.25) 68%, rgba(10,10,10,0.55) 100%),
    linear-gradient(180deg, rgba(10,10,10,0.2) 0%, rgba(10,10,10,0.1) 50%, rgba(10,10,10,0.75) 100%);
}
.liquid-bg span {
  position: absolute;
  filter: blur(44px);
  opacity: 0.85;
  mix-blend-mode: screen;
  will-change: transform, border-radius;
  animation: liquid-drift 26s ease-in-out infinite, liquid-morph 14s ease-in-out infinite;
}
.liquid-bg span:nth-child(1) {
  top: -14%; left: -10%;
  width: 52vw; height: 52vw;
  background: radial-gradient(circle at 30% 30%, #6E9BFF, transparent 62%);
  animation-duration: 30s, 16s;
}
.liquid-bg span:nth-child(2) {
  bottom: -22%; right: -12%;
  width: 46vw; height: 46vw;
  background: radial-gradient(circle at 60% 40%, #C078FF, transparent 62%);
  animation-duration: 34s, 19s;
  animation-delay: -6s, -4s;
}
.liquid-bg span:nth-child(3) {
  top: 24%; right: 12%;
  width: 32vw; height: 32vw;
  background: radial-gradient(circle at 50% 50%, #FF9BBC, transparent 62%);
  animation-duration: 24s, 13s;
  animation-delay: -12s, -7s;
}
.section--light .liquid-bg span { opacity: 0.4; mix-blend-mode: multiply; }
@keyframes liquid-drift {
  0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
  33%      { transform: translate(4%, -5%) scale(1.1) rotate(8deg); }
  66%      { transform: translate(-3%, 4%) scale(0.94) rotate(-6deg); }
}
@keyframes liquid-morph {
  0%, 100% { border-radius: 42% 58% 65% 35% / 45% 40% 60% 55%; }
  25%      { border-radius: 58% 42% 38% 62% / 60% 55% 45% 40%; }
  50%      { border-radius: 65% 35% 48% 52% / 35% 60% 40% 65%; }
  75%      { border-radius: 38% 62% 55% 45% / 55% 35% 65% 45%; }
}

/* Masque de révélation — habillage des titres majeurs (translation hors du cadre) */
.mask { overflow: hidden; }

/* Label éditorial — motif récurrent : trait qui se dessine + micro-label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.eyebrow-line {
  display: inline-block;
  width: 32px;
  height: 1px;
  background: currentColor;
  transform-origin: left center;
  transform: scaleX(0);
}
.eyebrow-num {
  font-variant-numeric: tabular-nums;
  color: var(--fg-faint);
}

/* Accent monospace — labels utilitaires, puces, métadonnées (pendant du titrage Montserrat) */
.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-muted);
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: var(--sp-3xs) var(--sp-sm);
}

/* ── GRAIN TEXTURE ─────────────────────────────────────────────── */
.grain {
  position: fixed;
  inset: -200%;
  width: 400%;
  height: 400%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.3;
  mix-blend-mode: overlay;
  animation: grain-shift 8s steps(10) infinite;
}
@keyframes grain-shift {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-2%, -3%); }
  20% { transform: translate(3%, 2%); }
  30% { transform: translate(-1%, 4%); }
  40% { transform: translate(2%, -1%); }
  50% { transform: translate(-3%, 1%); }
  60% { transform: translate(1%, 3%); }
  70% { transform: translate(-2%, -2%); }
  80% { transform: translate(3%, -3%); }
  90% { transform: translate(-1%, 2%); }
}

/* ── SCROLL PROGRESS BAR ───────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 2px;
  background: #F2F0EA;
  z-index: 10000;
  transform-origin: left;
  mix-blend-mode: difference;
}

/* ── HEADER — pastille de verre flottante, façon "liquid glass" ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 88px;
  display: flex;
  align-items: center;
  padding-inline: var(--edge);
  color: #F2F0EA;
  transition: color var(--t-normal);
}
.site-header.on-light { color: #0A0A0A; }
.nav {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
  height: 56px;
  padding-inline: var(--sp-md);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: rgba(10, 10, 10, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 1px rgba(0,0,0,0.2), 0 12px 32px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.08);
  -webkit-backdrop-filter: blur(var(--blur-sm)) saturate(160%);
  backdrop-filter: blur(var(--blur-sm)) saturate(160%);
  transition: background-color var(--t-normal), border-color var(--t-normal), box-shadow var(--t-normal);
}
.site-header.on-light .nav {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(10, 10, 10, 0.08);
  box-shadow: 0 1px 1px rgba(10,10,10,0.02), 0 12px 32px rgba(10,10,10,0.07), inset 0 1px 0 rgba(255,255,255,0.7);
}
.site-header.scrolled .nav {
  background: rgba(10, 10, 10, 0.5);
}
.site-header.on-light.scrolled .nav {
  background: rgba(255, 255, 255, 0.72);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2xs);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-right: auto;
  transition: opacity var(--t-fast), transform 0.15s var(--ease);
}
.logo:hover { opacity: 0.7; }
.logo:active { transform: scale(0.96); }
.logo-mark { height: clamp(30px, 5.2vw, 40px); width: auto; display: block; }
.logo-mark--light { display: none; }
.site-header.on-light .logo-mark--dark { display: none; }
.site-header.on-light .logo-mark--light { display: block; }
.footer-logo .logo-mark { height: clamp(30px, 5vw, 38px); }
.nav-links { display: flex; align-items: center; gap: var(--sp-md); }
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
  opacity: 0.72;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}
.nav-links a:hover { opacity: 1; }
.nav-links a:hover::after { width: 100%; }
.nav-links a:active { opacity: 0.5; }
.nav-cta {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6em 1.3em;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  opacity: 1;
  transition: background-color var(--t-fast), color var(--t-fast), transform 0.15s var(--ease);
}
.site-header:not(.on-light) .nav-cta:hover { background: #F2F0EA; color: #0A0A0A; }
.site-header.on-light .nav-cta:hover { background: #0A0A0A; color: #F2F0EA; }
.nav-cta:active { transform: scale(0.96); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  opacity: 0.6;
  padding: 0.4em 0.3em;
  transition: opacity var(--t-fast);
}
.lang-switch:hover { opacity: 1; }
.lang-switch:active { opacity: 0.4; }
.mobile-menu-foot .lang-switch {
  opacity: 0.7;
  padding: 0;
  margin-top: var(--sp-2xs);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  margin-left: var(--sp-2xs);
  margin-right: calc(-1 * var(--sp-2xs));
  border-radius: 50%;
  transition: background-color var(--t-fast), transform 0.15s var(--ease);
  z-index: 1201;
}
.nav-toggle:hover { background: rgba(128,128,128,0.12); }
.nav-toggle:active { transform: scale(0.92); }
.nav-toggle span {
  display: block; width: 18px; height: 1.5px;
  background: currentColor; border-radius: 1px;
  transition: transform var(--t-normal), opacity var(--t-fast);
  transform-origin: center;
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Menu mobile — panneau de verre ancré sous la nav */
.mobile-menu-scrim {
  position: fixed;
  inset: 0;
  z-index: 1150;
  background: rgba(0, 0, 0, 0.45);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-normal), visibility var(--t-normal);
}
.mobile-menu-scrim.is-open { visibility: visible; opacity: 1; pointer-events: auto; }

.mobile-menu {
  position: fixed;
  top: calc(88px + var(--sp-xs));
  left: var(--edge);
  right: var(--edge);
  z-index: 1200;
  max-height: calc(100svh - 88px - var(--sp-xl));
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
  padding: var(--sp-lg);
  border-radius: var(--radius-lg);
  background: rgba(10, 10, 10, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 1px 1px rgba(0,0,0,0.3), 0 24px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.08);
  -webkit-backdrop-filter: blur(32px) saturate(160%);
  backdrop-filter: blur(32px) saturate(160%);
  color: #F2F0EA;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-12px) scale(0.98);
  transform-origin: top center;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}
.mobile-menu.is-open {
  visibility: visible;
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.mobile-menu-links { display: flex; flex-direction: column; }
.mobile-menu-links a {
  font-size: clamp(1.375rem, 6vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  padding: var(--sp-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: opacity var(--t-fast);
}
.mobile-menu-links a:last-child { border-bottom: none; }
.mobile-menu-links a:active { opacity: 0.6; }
.mobile-menu-foot {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2xs);
  padding-top: var(--sp-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-sm);
  color: #8C8C86;
}
.mobile-menu-foot a { color: #8C8C86; }
.mobile-menu-foot a:hover { color: #F2F0EA; }

/* ── HERO ──────────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(88px + var(--sp-xl));
  padding-bottom: var(--sp-xl);
  position: relative;
  overflow: hidden;
}
.hero > .container { position: relative; z-index: 1; }
.hero-eyebrow { margin-bottom: var(--sp-xl); }
.hero-title {
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
  max-width: 17ch;
  margin-bottom: var(--sp-xl);
  text-wrap: balance;
}
.hero-word {
  display: inline-block;
  will-change: transform, opacity;
}
.hero-kicker {
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--fg-muted);
  letter-spacing: -0.01em;
}
.hero-kicker-rotator {
  position: relative;
  display: inline-block;
  height: 1.4em;
  perspective: 300px;
  vertical-align: top;
}
.hero-kicker-word {
  position: absolute;
  left: 0;
  top: 0;
  white-space: nowrap;
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.hero-bottom {
  margin-top: var(--sp-xl);
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--border);
}
.hero-actions { display: flex; align-items: center; gap: var(--sp-lg); flex-wrap: wrap; }
.hero-trust {
  margin-top: var(--sp-sm);
  font-size: var(--text-xs);
  color: var(--fg-faint);
  letter-spacing: 0.02em;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  padding: 0.95em 1.6em;
  border-radius: var(--radius-pill);
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast), box-shadow var(--t-fast), transform 0.35s var(--ease-spring);
}
.btn svg { transition: transform var(--t-fast); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary {
  background: var(--fg);
  color: var(--bg);
  box-shadow: 0 1px 1px rgba(0,0,0,0.1), 0 10px 24px rgba(0,0,0,0.18);
}
.btn--primary:hover { transform: translateY(-2px) scale(1.015); opacity: 0.92; }
.btn--primary:active { transform: translateY(0) scale(0.98); }
.btn--ghost {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--blur-sm)) saturate(160%);
  backdrop-filter: blur(var(--blur-sm)) saturate(160%);
  border: 1px solid var(--glass-border);
  color: var(--fg);
  box-shadow: var(--glass-shadow);
}
.btn--ghost:hover { background: var(--glass-bg-strong); transform: translateY(-2px) scale(1.015); }
.btn--ghost:active { transform: translateY(0) scale(0.98); }

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: var(--sp-lg);
  right: var(--edge);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-xs);
}
.scroll-hint-line {
  width: 1px; height: 48px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}
.scroll-hint-line::after {
  content: '';
  position: absolute;
  top: -100%; left: 0;
  width: 100%; height: 100%;
  background: var(--fg-muted);
  animation: scroll-line 1.8s ease-in-out infinite;
}
@keyframes scroll-line {
  0%   { top: -100%; }
  100% { top: 100%;  }
}
.scroll-hint span {
  font-size: 10px;
  color: var(--fg-faint);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

/* ── MARQUEE ───────────────────────────────────────────────────── */
.marquee-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: var(--sp-md) 0;
}
.marquee-track { overflow: hidden; }
.marquee-content {
  display: flex;
  gap: var(--sp-lg);
  width: max-content;
  animation: marquee-scroll 32s linear infinite;
}
.marquee-content span {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  white-space: nowrap;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.marquee-content .sep { color: var(--fg-faint); font-size: 10px; }
@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.marquee-section:hover .marquee-content { animation-play-state: paused; }

/* ── SECTIONS COMMUNES ─────────────────────────────────────────── */
section { padding: var(--sp-2xl) 0; }
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-xl);
}
.section-title {
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-top: var(--sp-sm);
  max-width: 16ch;
}
.section-kicker { max-width: 42ch; }
.section-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-muted);
  transition: color var(--t-fast);
  white-space: nowrap;
}
.section-link:hover { color: var(--fg); }
.section-link:hover svg { transform: translateX(4px); }
.section-link svg { transition: transform var(--t-fast); }

/* ── INTRODUCTION ──────────────────────────────────────────────── */
.approach-intro { max-width: 1000px; }
.intro-statement {
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.intro-word { display: inline-block; }

/* ── SERVICES — cartes de verre ──────────────────────────────────── */
.services-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-sm);
}
.service-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(160%);
  backdrop-filter: blur(var(--blur-md)) saturate(160%);
  transition: background-color var(--t-fast), transform 0.35s var(--ease-spring), box-shadow var(--t-normal);
  position: relative;
}
.service-item:hover,
.service-item.is-active {
  background: var(--glass-bg-strong);
  transform: translateY(-4px);
}
.service-visual {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--sp-xl);
  background: #000000;
}
.service-visual svg {
  width: 100%;
  height: 100%;
  color: #F2F0EA;
  transition: transform 0.4s var(--ease-spring);
}
.service-item:hover .service-visual svg,
.service-item.is-active .service-visual svg { transform: scale(1.06); }
.service-visual--photo { padding: 0; }
.service-visual--photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease-spring);
}
.service-item:hover .service-visual--photo img,
.service-item.is-active .service-visual--photo img { transform: scale(1.06); }
.service-item-body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  padding: var(--sp-lg);
  flex-grow: 1;
}
.service-number {
  font-size: var(--text-xs);
  color: var(--fg-faint);
  font-variant-numeric: tabular-nums;
  transition: color var(--t-fast);
}
.service-item:hover .service-number,
.service-item.is-active .service-number { color: var(--fg-muted); }
.service-name {
  font-size: clamp(1.15rem, 1.6vw, 1.375rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.service-desc {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  line-height: 1.7;
  flex-grow: 1;
}
.service-tags { display: flex; flex-wrap: wrap; gap: var(--sp-3xs); margin-top: var(--sp-xs); }

/* ── SELECTED WORK — grille asymétrique dense ────────────────────── */
.work-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-lg);
}
.work-card { display: flex; flex-direction: column; min-width: 0; }
.work-card--lg, .work-card--sm, .work-card--soon { grid-column: span 4; }

.work-card-link {
  display: flex;
  flex-direction: column;
  min-width: 0;
  color: inherit;
  transition: transform 0.4s var(--ease-spring);
}
.work-card-link:hover { transform: translateY(-4px); }
.work-card-link:active { transform: translateY(-1px) scale(0.98); }
.work-card-media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-raised);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.work-card-media img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top;
  transition: transform var(--t-slow);
}
.work-card-link:hover .work-card-media img { transform: scale(1.04); }
.work-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: var(--sp-md);
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--t-normal);
}
.work-card-link:hover .work-card-overlay { opacity: 1; }
.work-card-overlay-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2xs);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #FFFFFF;
  transform: translateY(6px);
  transition: transform var(--t-normal);
}
.work-card-link:hover .work-card-overlay-label { transform: translateY(0); }
.work-card-overlay-label svg { transition: transform var(--t-fast); }
.work-card-link:hover .work-card-overlay-label svg { transform: translateX(3px); }

.work-card-wireframe {
  width: 100%; height: 100%;
  color: var(--fg-faint);
}
.work-card--soon .work-card-media {
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 20px 20px;
}
.work-card-soon-tag {
  position: absolute;
  top: var(--sp-sm); right: var(--sp-sm);
}

.work-card-body {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--sp-xs) var(--sp-sm);
  padding-top: var(--sp-sm);
}
.work-card-index {
  font-size: var(--text-xs);
  color: var(--fg-faint);
  font-variant-numeric: tabular-nums;
}
.work-card-name {
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-right: auto;
}
.work-card-name--muted { color: var(--fg-muted); }
.work-card-tags { display: inline-flex; flex-wrap: wrap; gap: var(--sp-3xs); }

@media (max-width: 900px) {
  .work-grid { grid-template-columns: 1fr; }
  .work-card--lg, .work-card--sm, .work-card--soon { grid-column: span 1; }
}

/* ── PROCESS — schéma de méthode ─────────────────────────────────── */
@media (min-width: 769px) {
  /* Le pin scroll (voir main.js) fixe cette section : elle doit couvrir
     tout le viewport pour ne pas laisser apparaître la section suivante. */
  .process { min-height: 100vh; display: flex; align-items: center; }
}
.process-diagram {
  position: relative;
  padding-top: var(--sp-sm);
}
.process-line {
  position: absolute;
  top: 36px;
  left: 36px;
  right: 36px;
  height: 1px;
  background: var(--border);
}
.process-line-fill {
  position: absolute;
  inset: 0;
  background: var(--fg);
  transform-origin: left center;
  transform: scaleX(0);
}
.process-line-pulse {
  position: absolute;
  top: 50%; left: 0;
  width: 7px; height: 7px;
  margin-top: -3.5px; margin-left: -3.5px;
  border-radius: 50%;
  background: #F2F0EA;
  box-shadow: 0 0 8px 2px rgba(242, 240, 234, 0.7);
  opacity: 0;
  animation: process-pulse-x 4.5s ease-in-out infinite;
}
@keyframes process-pulse-x {
  0%   { left: 0%;   opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
@media (max-width: 768px) {
  .process-line-pulse { animation-name: process-pulse-y; }
  @keyframes process-pulse-y {
    0%   { top: 0%;   opacity: 0; }
    8%   { opacity: 1; }
    92%  { opacity: 1; }
    100% { top: 100%; opacity: 0; }
  }
}
.process-nodes {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
}
.process-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-sm);
  will-change: transform, opacity;
}
.process-node-dot {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(var(--blur-sm)) saturate(160%);
  backdrop-filter: blur(var(--blur-sm)) saturate(160%);
  transition: transform 0.4s var(--ease-spring), background-color var(--t-fast), border-color var(--t-fast);
}
.process-node-dot span { font-size: var(--text-sm); font-weight: 600; color: var(--fg-muted); transition: color var(--t-fast); }
.process-node:hover .process-node-dot { transform: scale(1.08); background: var(--glass-bg-strong); }
.process-node-label {
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg-muted);
  transition: color var(--t-fast);
}

/* État actif — piloté par le scroll pin (voir main.js) */
.process-node.is-active .process-node-dot {
  transform: scale(1.08);
  background: var(--fg);
  border-color: var(--fg);
}
.process-node.is-active .process-node-dot span { color: var(--bg); }
.process-node.is-active .process-node-label { color: var(--fg); }

@media (max-width: 768px) {
  .process-line { top: 0; bottom: 0; left: 28px; right: auto; width: 1px; height: auto; }
  .process-line-fill { transform-origin: center top; transform: scaleY(0); }
  .process-nodes { grid-template-columns: 1fr; gap: var(--sp-lg); }
  .process-node { flex-direction: row; text-align: left; gap: var(--sp-md); }
  .process-node-dot { width: 56px; height: 56px; flex-shrink: 0; }
  /* Pas de pin scroll sur mobile (voir main.js) : les nœuds restent toujours au premier plan. */
  .process-node-dot span { color: var(--fg); }
  .process-node-label { color: var(--fg); }
}

/* ── IA & AUTOMATISATION ──────────────────────────────────────── */
.ia-statement {
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: var(--sp-md);
  max-width: 24ch;
}
.ia-desc {
  font-size: var(--text-base);
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 50ch;
  margin-bottom: var(--sp-lg);
}
.ia-capabilities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
}
.ia-capability { display: flex; flex-direction: column; gap: var(--sp-3xs); min-width: 0; }
.ia-capability-visual {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000000;
  box-shadow: var(--glass-shadow);
  margin-bottom: var(--sp-2xs);
  transition: transform 0.4s var(--ease-spring);
}
.ia-capability-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ia-capability:hover .ia-capability-visual { transform: translateY(-4px); }
.ia-capability-label { font-size: var(--text-sm); font-weight: 600; letter-spacing: -0.01em; }
.ia-capability-desc { font-size: var(--text-xs); color: var(--fg-muted); line-height: 1.5; }

/* ── ESTIMATEUR D'AUTOMATISATION ──────────────────────────────────
   Outil interactif + pédagogique : transforme une donnée saisie par le
   visiteur en temps estimé libéré, pour rendre l'IA concrète et pousser
   vers le contact. Taux d'automatisation affiché comme hypothèse, jamais
   présenté comme une donnée client réelle. */
.ia-estimator { margin-top: var(--sp-2xl); }
.ia-estimator-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
  padding: var(--sp-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.ia-estimator-head { max-width: 56ch; }
.ia-estimator-title {
  font-size: var(--text-h3);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: var(--sp-xs);
  margin-bottom: var(--sp-xs);
}
.ia-estimator-desc { color: var(--fg-muted); line-height: 1.65; }

.ia-estimator-body {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--sp-2xl);
  align-items: center;
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--border);
}

.ia-estimator-control-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-sm);
  font-size: var(--text-sm);
  color: var(--fg-muted);
  margin-bottom: var(--sp-md);
}
.ia-estimator-hours { color: var(--fg); font-size: var(--text-base); font-weight: 600; }

.ia-estimator-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--fg) 0%, var(--fg) 23%, var(--border) 23%, var(--border) 100%);
  outline: none;
  cursor: pointer;
}
.ia-estimator-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--fg);
  box-shadow: 0 0 0 4px var(--glass-bg-strong), 0 0 14px rgba(242, 240, 234, 0.45);
  cursor: pointer;
  transition: transform 0.2s var(--ease-spring);
}
.ia-estimator-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.ia-estimator-slider::-moz-range-thumb {
  width: 16px; height: 16px;
  border: none;
  border-radius: 50%;
  background: var(--fg);
  box-shadow: 0 0 0 4px var(--glass-bg-strong), 0 0 14px rgba(242, 240, 234, 0.45);
  cursor: pointer;
  transition: transform 0.2s var(--ease-spring);
}
.ia-estimator-slider::-moz-range-thumb:hover { transform: scale(1.15); }
.ia-estimator-slider::-moz-range-track { height: 2px; background: transparent; border: none; }

.ia-estimator-scale {
  display: flex;
  justify-content: space-between;
  margin-top: var(--sp-2xs);
  font-size: var(--text-micro);
  color: var(--fg-faint);
}

.ia-estimator-result {
  text-align: center;
  padding: var(--sp-lg);
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}
.ia-estimator-result-value {
  display: block;
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 700;
  line-height: 1;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.ia-estimator-result-label {
  display: block;
  margin-top: var(--sp-2xs);
  font-size: var(--text-xs);
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ia-estimator-note { font-size: var(--text-xs); color: var(--fg-faint); line-height: 1.5; max-width: 70ch; }
.ia-estimator-cta { align-self: center; }

@media (max-width: 768px) {
  .ia-estimator-body { grid-template-columns: 1fr; gap: var(--sp-lg); }
  .ia-estimator-panel { padding: var(--sp-lg); }
  .ia-estimator-cta { font-size: var(--text-xs); padding: 0.8em 1.3em; white-space: normal; text-align: center; }
}

/* ── POURQUOI HILTICE ──────────────────────────────────────────── */
.why-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-2xl);
  align-items: center;
  margin-bottom: var(--sp-2xl);
}
.why-photo {
  min-width: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.why-photo img {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
}
.why-statement {
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 50ch;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-md) var(--sp-lg);
}
.why-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  padding-top: var(--sp-md);
  border-top: 1px solid var(--border);
  transition: transform 0.4s var(--ease-spring);
}
.why-item:hover { transform: translateY(-4px); }
.why-item-line {
  position: absolute;
  top: -1px; left: 0;
  width: 100%; height: 1px;
  background: var(--fg);
  transform-origin: left center;
  transform: scaleX(0);
}
.why-number {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--fg-faint);
  font-variant-numeric: tabular-nums;
  transition: color var(--t-fast);
}
.why-item:hover .why-number { color: var(--fg); }
.why-label { font-size: var(--text-base); font-weight: 600; line-height: 1.3; }
.why-desc { font-size: var(--text-xs); color: var(--fg-muted); line-height: 1.6; }

/* ── FAQ ───────────────────────────────────────────────────────── */
.faq-list {
  margin-top: var(--sp-xl);
  border-top: 1px solid var(--border);
}
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item h3 { margin: 0; }
.faq-question {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  width: 100%;
  padding: var(--sp-md) var(--sp-sm);
  margin: 0 calc(-1 * var(--sp-sm));
  background: none;
  border: none;
  color: inherit;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background-color var(--t-fast);
}
.faq-question:hover { background: var(--glass-bg); }
.faq-number {
  flex-shrink: 0;
  font-size: var(--text-sm);
  color: var(--fg-faint);
  transition: color var(--t-fast);
}
.faq-item.is-open .faq-number { color: var(--fg-muted); }
.faq-question-text {
  flex: 1;
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.faq-icon { position: relative; width: 18px; height: 18px; flex-shrink: 0; color: var(--fg-muted); }
.faq-icon span {
  position: absolute; top: 50%; left: 50%;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--t-normal);
}
.faq-icon span:nth-child(1) { width: 14px; height: 1.5px; transform: translate(-50%, -50%); }
.faq-icon span:nth-child(2) { width: 1.5px; height: 14px; transform: translate(-50%, -50%); }
.faq-item.is-open .faq-icon span:nth-child(2) { transform: translate(-50%, -50%) scaleY(0); }
.faq-answer { height: 0; overflow: hidden; }
.faq-answer p {
  max-width: 62ch;
  padding: 0 var(--sp-sm) var(--sp-md) 2.75rem;
  font-size: var(--text-sm);
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── CTA FINAL ─────────────────────────────────────────────────── */
.cta-final { text-align: center; position: relative; overflow: hidden; }
.cta-final > .container { position: relative; z-index: 1; }
.cta-eyebrow { justify-content: center; margin-bottom: var(--sp-lg); }
.cta-title {
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.04;
  max-width: 18ch;
  margin-inline: auto;
  margin-bottom: var(--sp-xl);
  text-wrap: balance;
}
.cta-word-mask { display: block; overflow: hidden; }
.cta-word { display: block; will-change: transform; }
.cta-final .btn { font-size: var(--text-base); padding: 1.1em 2.2em; }
.cta-trust { margin-top: var(--sp-lg); }

/* ── FOOTER ────────────────────────────────────────────────────── */
.site-footer { position: relative; overflow: hidden; padding: var(--sp-xl) 0 var(--sp-lg); }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--sp-xl);
  margin-bottom: var(--sp-xl);
  padding-bottom: var(--sp-xl);
  border-bottom: 1px solid var(--border);
}
.footer-logo { display: block; margin-bottom: var(--sp-sm); font-weight: 700; font-size: var(--text-lg); }
.footer-tagline { font-size: var(--text-sm); color: var(--fg-muted); line-height: 1.7; max-width: 28ch; }
.footer-contact-label, .footer-nav-label, .footer-social-label, .footer-services-label {
  font-size: var(--text-micro);
  color: var(--fg-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--sp-sm);
}
.footer-contact-link {
  position: relative;
  display: block;
  width: fit-content;
  font-size: var(--text-sm);
  color: var(--fg-muted);
  margin-bottom: var(--sp-2xs);
  transition: color var(--t-fast);
}
.footer-contact-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: currentColor;
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform var(--t-normal);
}
.footer-contact-link:hover { color: var(--fg); }
.footer-contact-link:hover::after { transform: scaleX(1); }
.footer-address { font-size: var(--text-sm); color: var(--fg-muted); line-height: 1.6; margin-top: var(--sp-sm); }
.footer-nav ul, .footer-social ul, .footer-services ul { display: flex; flex-direction: column; gap: var(--sp-xs); }
.footer-nav a, .footer-social a, .footer-services a { font-size: var(--text-sm); color: var(--fg-muted); transition: color var(--t-fast); }
.footer-nav a:hover, .footer-social a:hover, .footer-services a:hover { color: var(--fg); }
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-sm);
  font-size: var(--text-xs);
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--sp-md);
}
.footer-meta-item:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--fg-muted);
  margin-left: var(--sp-sm);
  vertical-align: middle;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-sm);
}
.footer-bottom p, .footer-legal a { font-size: var(--text-xs); color: var(--fg-muted); }
.footer-legal { display: flex; gap: var(--sp-md); }
.footer-legal a:hover { color: var(--fg); }

/* Signature de marque géante en filigrane, décorative mais lisible */
.footer-watermark {
  margin-top: var(--sp-xl);
  text-align: center;
  font-size: clamp(4rem, 16vw, 11rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--fg);
  opacity: 0.15;
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
}

/* ── RESPONSIVE ────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .why-item:nth-child(4), .why-item:nth-child(5) { grid-column: span 1; }
  .ia-capabilities { grid-template-columns: repeat(2, 1fr); }
  .why-layout { grid-template-columns: 1fr; gap: var(--sp-lg); }
  .why-photo img { aspect-ratio: 16 / 10; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-lg) var(--sp-md); }
  .services-list { grid-template-columns: repeat(2, 1fr); }
}
/* Bascule menu mobile dédiée : la nav complète (logo + 5 liens + CTA) ne tient
   plus sur une ligne dès qu'on descend sous ~960px — ça inclut les tablettes
   en portrait (iPad, Galaxy Tab), pas seulement les téléphones. */
@media (max-width: 960px) {
  .nav-toggle { display: flex; }
  .nav-links, .nav-cta, .nav .lang-switch { display: none; }
}
@media (max-width: 768px) {
  :root { --sp-2xl: 4.5rem; }
  section { padding: var(--sp-2xl) 0; }
  .hero { padding-top: calc(72px + var(--sp-md)); padding-bottom: var(--sp-lg); }
  .section-header { flex-direction: column; align-items: flex-start; gap: var(--sp-sm); }
  .services-list { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--sp-lg); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .scroll-hint { display: none; }
}
@media (max-width: 480px) {
  .why-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; }
}