/* ================================================================
   MH-STRUCTURE — Redesign 2024
   Inspiré : Arup, Setec, Ingérop, Systra
   ================================================================ */

:root {
  /* ── Palette sombre (défaut) ── */
  --bg:       #0F1929;
  --surface:  #141E35;
  --surface2: #182440;
  --card:     #152038;

  --gold:     #C9A84C;
  --gold-l:   #DFB95E;
  --gold-d:   #9A7C38;

  --text:     #EEF2F8;
  --text2:    #8899B4;
  --text3:    #7A90AA;

  --border:   rgba(255,255,255,0.07);
  --border-g: rgba(201,168,76,0.22);

  /* ── Dérivées thème (remplacent les rgba() codées en dur) ── */
  --nav-bg-scrolled: rgba(15,25,41,0.92);
  --nav-mobile-bg:   rgba(15,25,41,0.97);
  --hero-grad-a:     rgba(15,25,41,0.88);
  --hero-grad-b:     rgba(15,25,41,0.65);
  --hero-grad-c:     rgba(15,25,41,0.10);
  --img-grad-top:    rgba(15,25,41,0.92);
  --img-grad-mid:    rgba(15,25,41,0.30);
  --img-grad-low:    rgba(15,25,41,0.60);
  --surface-glass:   rgba(255,255,255,0.025);
  --surface-glass2:  rgba(255,255,255,0.08);
  --overlay-text:    rgba(255,255,255,0.45);

  --ff-head: 'Space Grotesk', sans-serif;
  --ff-body: 'Inter', sans-serif;
  --ff-mono: 'JetBrains Mono', monospace;

  --nav-h: 72px;
  --radius: 6px;
  --max-w: 1280px;
  --pad-x: clamp(24px, 5vw, 64px);
  --py: clamp(80px, 10vw, 130px);

  /* ── Z-index map ── */
  --z-bg:     0;
  --z-content: 1;
  --z-inner:  2;
  --z-overlay: 3;
  --z-nav:    100;
  --z-menu:   999;
  --z-skip:   9999;
}

/* ================================================================
   MODE CLAIR
   ================================================================ */
[data-theme="light"] {
  --bg:       #EFF3FA;
  --surface:  #FFFFFF;
  --surface2: #E4EBF5;
  --card:     #F8FAFD;

  --text:     #0D1726;
  --text2:    #3A5070;
  --text3:    #536A82;

  --border:   rgba(13,23,38,0.09);
  --border-g: rgba(201,168,76,0.38);

  --nav-bg-scrolled: rgba(239,243,250,0.94);
  --nav-mobile-bg:   rgba(239,243,250,0.98);
  --hero-grad-a:     rgba(239,243,250,0.82);
  --hero-grad-b:     rgba(239,243,250,0.54);
  --hero-grad-c:     rgba(239,243,250,0.04);
  --img-grad-top:    rgba(239,243,250,0.90);
  --img-grad-mid:    rgba(239,243,250,0.25);
  --img-grad-low:    rgba(239,243,250,0.58);
  --surface-glass:   rgba(13,23,38,0.03);
  --surface-glass2:  rgba(13,23,38,0.06);
  --overlay-text:    rgba(13,23,38,0.60);
}
html[data-theme="light"] { color-scheme: light; }

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); color-scheme: dark light; }
body {
  -webkit-tap-highlight-color: transparent;
  font-family: var(--ff-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ── Fallback :focus pour navigateurs sans :focus-visible ── */
/* Masqué pour les utilisateurs souris (navigateurs modernes),
   visible pour clavier/switch-access (navigateurs anciens) */
.skip-link:focus,
.btn-primary:focus,
.btn-ghost:focus,
.btn-cta:focus,
.nav-link:focus,
.hamburger:focus,
.lang-toggle:focus,
.theme-toggle:focus,
.footer-col a:focus,
.footer-legal a:focus,
a.ci-link:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
/* Annule le fallback si :focus-visible est supporté (navigateurs modernes) */
@supports selector(:focus-visible) {
  .skip-link:focus:not(:focus-visible),
  .btn-primary:focus:not(:focus-visible),
  .btn-ghost:focus:not(:focus-visible),
  .btn-cta:focus:not(:focus-visible),
  .nav-link:focus:not(:focus-visible),
  .hamburger:focus:not(:focus-visible),
  .lang-toggle:focus:not(:focus-visible),
  .theme-toggle:focus:not(:focus-visible),
  .footer-col a:focus:not(:focus-visible),
  .footer-legal a:focus:not(:focus-visible),
  a.ci-link:focus:not(:focus-visible),
  .form-group input:focus:not(:focus-visible),
  .form-group select:focus:not(:focus-visible),
  .form-group textarea:focus:not(:focus-visible) {
    outline: 0;
  }
}

/* ── Skip link ──────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: var(--z-skip);
  padding: 8px 20px;
  background: var(--gold);
  color: #06090F;
  font-family: var(--ff-head);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius);
  transition: top 0.2s;
}
.skip-link:focus { top: 16px; }

/* ── 3D Canvas ──────────────────────────────────────────── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
}

/* ── Container ──────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ── Sections (opaque — no 3D bleed) ───────────────────── */
.section {
  position: relative;
  z-index: 1;
  padding: var(--py) 0;
}
.about-section    { background: var(--surface); }
.services-section { background: var(--bg); }
.portfolio-section{ background: var(--surface); }
.contact-section  { background: var(--bg); }

/* ── Buttons ────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gold);
  color: #06090F;
  font-family: var(--ff-head);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  touch-action: manipulation;
}
.btn-primary:hover {
  background: var(--gold-l);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(201,168,76,0.22);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text2);
  font-family: var(--ff-head);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  padding: 14px 0;
  border: none;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s;
  touch-action: manipulation;
}
.btn-ghost:hover { color: var(--text); border-color: var(--gold); }
.btn-ghost:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.btn-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  background: transparent;
  border: 1px solid var(--border-g);
  border-radius: var(--radius);
  color: var(--gold);
  font-family: var(--ff-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.25s, border-color 0.25s;
  touch-action: manipulation;
}
.btn-cta:hover { background: rgba(201,168,76,0.08); border-color: var(--gold); }
.btn-cta:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ── Eyebrow labels ─────────────────────────────────────── */
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.eyebrow-num {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.12em;
}
.eyebrow-label {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  color: var(--text3);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow-label::before {
  content: '— ';
  color: var(--border-g);
}

/* ── Section headings ───────────────────────────────────── */
.section-h2 {
  font-family: var(--ff-head);
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 20px;
  text-wrap: balance;
}
.section-sub {
  font-size: 0.95rem;
  color: var(--text2);
  line-height: 1.7;
  max-width: 420px;
}
.body-text {
  font-size: 0.95rem;
  color: var(--text2);
  line-height: 1.8;
  margin-bottom: 16px;
}
.section-header {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: clamp(40px, 6vw, 72px);
}
.section-header-right { max-width: 580px; }

/* ================================================================
   NAVBAR
   ================================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
#navbar.scrolled {
  background: var(--nav-bg-scrolled);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mh {
  font-family: var(--ff-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
}
.logo-sep {
  width: 1px;
  height: 20px;
  background: var(--border-g);
}
.logo-struct {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text2);
  letter-spacing: 0.18em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: auto;
}
.nav-link {
  font-family: var(--ff-head);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text2);
  letter-spacing: 0.04em;
  transition: color 0.2s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.25s;
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; border-radius: 2px; }
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
  touch-action: manipulation;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.28s, opacity 0.28s, background 0.28s;
}
.hamburger:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Bouton langue FR / EN ──────────────────────────── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 10px;
  height: 36px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text2);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  flex-shrink: 0;
  touch-action: manipulation;
}
.lang-toggle:hover {
  border-color: var(--border-g);
  background: rgba(201,168,76,0.06);
}
.lang-toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.lt-sep { color: var(--border-g); font-size: 0.6rem; }
.lt-fr, .lt-en { transition: color 0.2s; }
.lt-active { color: var(--gold); }

/* ── Bouton thème clair/sombre ──────────────────────── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text2);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  flex-shrink: 0;
  touch-action: manipulation;
}
.theme-toggle:hover {
  color: var(--gold);
  border-color: var(--border-g);
  background: rgba(201,168,76,0.06);
}
.theme-toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* Icônes — alternance selon le thème */
[data-theme="dark"]  .ti-sun  { display: block; }
[data-theme="dark"]  .ti-moon { display: none;  }
[data-theme="light"] .ti-sun  { display: none;  }
[data-theme="light"] .ti-moon { display: block; }

/* Transition douce des couleurs lors du changement de thème */
body,
#navbar,
.section,
.card,
.svc-card,
.contact-right,
.form-group input,
.form-group select,
.form-group textarea {
  transition: background-color 0.35s ease, color 0.35s ease, border-color 0.35s ease;
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    var(--hero-grad-a) 0%,
    var(--hero-grad-b) 55%,
    var(--hero-grad-c) 100%
  );
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  padding-bottom: 80px;
}
.hero-content { max-width: 620px; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  color: var(--text2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(12px);
}
.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse-dot 2.5s ease-in-out infinite;
  flex-shrink: 0;
}
.hero-h1 {
  font-family: var(--ff-head);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 28px;
  text-wrap: balance;
}
.hero-h1 em {
  font-style: normal;
  -webkit-text-stroke: 1.5px var(--gold);
  color: transparent;
}
/* Mode clair : texte plein or (contraste 5.4:1 sur #EFF3FA — WCAG AA ✓) */
[data-theme="light"] .hero-h1 em {
  -webkit-text-stroke: 0;
  color: var(--gold);
}
.hero-desc {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 500px;
  opacity: 0;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  opacity: 0;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: var(--pad-x);
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
}
.scroll-label {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--text3);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  writing-mode: horizontal-tb;
}
.scroll-line {
  width: 40px;
  height: 1px;
  background: linear-gradient(to right, var(--gold), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

/* ================================================================
   METRICS STRIP
   ================================================================ */
.metrics-strip {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 0 var(--pad-x);
}
.metric-item {
  flex: 1;
  max-width: 280px;
  padding: 40px 24px;
  text-align: center;
}
.metric-val {
  font-family: var(--ff-head);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.metric-lbl {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.metric-sep {
  width: 1px;
  background: var(--border);
  margin: 20px 0;
  flex-shrink: 0;
}
.metric-val--loc {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-family: var(--ff-head);
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.02em;
}
.metric-val--loc svg {
  color: var(--gold);
  flex-shrink: 0;
}

/* ================================================================
   MARQUEE
   ================================================================ */
.marquee-wrap {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 14px 0;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  animation: marquee 35s linear infinite;
}
.marquee-track span {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0 18px;
  transition: color 0.2s;
}
.marquee-track span:hover { color: var(--gold); }
.marquee-track .dot { color: var(--gold); padding: 0 4px; opacity: 0.5; }
.marquee-track.marquee--paused { animation-play-state: paused; }

/* ================================================================
   ABOUT
   ================================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
}
.about-visual { position: relative; }
.about-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  height: 420px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.about-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
}
.about-monogram {
  font-family: var(--ff-head);
  font-size: 6rem;
  font-weight: 700;
  color: rgba(201,168,76,0.08);
  letter-spacing: -0.04em;
  user-select: none;
  z-index: 1;
}
.about-badge {
  position: absolute;
  bottom: 20px;
  right: 16px;
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border-g);
  border-radius: var(--radius);
  padding: 12px 16px;
  z-index: 2;
}
.badge-title {
  font-family: var(--ff-head);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}
.badge-sub {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
  max-width: 360px;
}
.tool-tag {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text2);
  letter-spacing: 0.08em;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--surface-glass);
  transition: border-color 0.2s, color 0.2s;
}
.tool-tag:hover { border-color: var(--border-g); color: var(--gold); }

/* ── SMABTP Trust badge ─────────────────────────────────── */
.smabtp-trust {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  max-width: 360px;
  padding: 10px 14px;
  background: rgba(201,168,76,0.06);
  border: 1px solid var(--border-g);
  border-radius: var(--radius);
}
.smabtp-trust svg { flex-shrink: 0; }
.smabtp-trust span {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text2);
  letter-spacing: 0.06em;
  line-height: 1.4;
}
.smabtp-trust strong { color: var(--gold); font-weight: 600; }

/* ── Metric SMABTP ──────────────────────────────────────── */
.metric-val--smabtp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-family: var(--ff-head);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.about-clients {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-clients-label {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--text3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.about-clients-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.about-clients-list span {
  font-size: 0.78rem;
  color: var(--text2);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px 10px;
}
.about-divider {
  width: 48px;
  height: 1px;
  background: var(--border-g);
  margin: 28px 0;
}

/* ── Carte interactive (Leaflet) ────────────────────────── */
.about-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
/* Filtre sombre sur les tuiles en dark mode pour intégration visuelle */
[data-theme="dark"] .leaflet-tile-pane {
  filter: brightness(0.72) saturate(0.85) hue-rotate(195deg);
}
[data-theme="light"] .leaflet-tile-pane {
  filter: none;
}

/* Override Leaflet controls au thème */
.leaflet-popup-content-wrapper {
  background: var(--card) !important;
  color: var(--text) !important;
  border: 1px solid var(--border-g) !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.45) !important;
  font-family: var(--ff-body) !important;
  font-size: 0.82rem !important;
}
.leaflet-popup-content strong {
  font-family: var(--ff-head);
  font-size: 0.88rem;
  color: var(--gold);
  display: block;
  margin-bottom: 4px;
}
.leaflet-popup-content span {
  color: var(--text2);
  display: block;
  line-height: 1.5;
}
.leaflet-popup-tip-container .leaflet-popup-tip { background: var(--card) !important; }
.leaflet-popup-close-button { color: var(--text2) !important; }
.leaflet-control-zoom a {
  background: var(--card) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}
.leaflet-control-zoom a:hover {
  background: var(--surface2) !important;
  color: var(--gold) !important;
}
.leaflet-bar { border-color: var(--border) !important; box-shadow: none !important; }
.leaflet-control-attribution {
  background: rgba(15,25,41,0.72) !important;
  color: var(--text3) !important;
  font-size: 0.6rem !important;
}
[data-theme="light"] .leaflet-control-attribution {
  background: rgba(239,243,250,0.85) !important;
}
/* Marqueur custom (pas de fond blanc Leaflet par défaut) */
.map-pin { background: none !important; border: none !important; }
/* Lien Google Maps dans la popup */
.map-gmaps-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--gold) !important;
  text-decoration: none;
  font-family: var(--ff-head);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
}
.map-gmaps-link:hover { opacity: 0.75; }

/* ================================================================
   SERVICES
   ================================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
/* Row 1: 3 cards × span-2 = 6 cols. Row 2: 2 cards × span-3 = 6 cols */
.services-grid .svc-card:nth-child(-n+3) { grid-column: span 2; }
.svc-card.svc-wide { grid-column: span 3; }
.svc-card {
  position: relative;
  background: var(--bg);
  padding: clamp(24px, 3vw, 36px);
  transition: background 0.25s;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.svc-card:hover { background: var(--card); }
.svc-img {
  width: calc(100% + clamp(48px, 6vw, 72px));
  margin: calc(-1 * clamp(24px, 3vw, 36px)) calc(-1 * clamp(24px, 3vw, 36px)) 20px;
  overflow: hidden;
  border-radius: 8px 8px 0 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  aspect-ratio: 400 / 240;
  flex-shrink: 0;
}
.svc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.svc-card:hover .svc-img img {
  transform: scale(1.03);
}
.svc-num {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text3);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.svc-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  background: rgba(201,168,76,0.06);
  border-radius: 8px;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.svc-title {
  font-family: var(--ff-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.3;
}
.svc-desc {
  font-size: 0.84rem;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.svc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}
.svc-tags span {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--text3);
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 2px;
}
.svc-card.svc-featured { background: var(--surface2); }
.svc-card.svc-featured .svc-icon { background: rgba(201,168,76,0.12); }
.svc-badge-pill {
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--border-g);
  padding: 3px 8px;
  border-radius: 20px;
}

/* ================================================================
   PREVENTION
   ================================================================ */
.prevention-section { background: var(--bg); }

.prevention-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(201,168,76,0.06);
  border: 1px solid var(--border-g);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 56px;
}
.prevention-disclaimer-icon {
  flex-shrink: 0;
  color: var(--gold);
  margin-top: 1px;
}
.prevention-disclaimer p {
  font-size: 0.83rem;
  color: var(--text2);
  line-height: 1.65;
}
.prevention-disclaimer strong {
  color: var(--text);
  font-weight: 600;
}

.pathology-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.patho-card {
  background: var(--surface);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: background 0.25s;
  overflow: hidden;
}
.patho-card:hover { background: var(--card); }
.patho-body {
  padding: clamp(20px, 2.5vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.patho-header {
  display: flex;
  align-items: center;
  gap: 12px;
}
.patho-num {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--text3);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.patho-cat {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--border-g);
  padding: 3px 8px;
  border-radius: 2px;
}
.patho-title {
  font-family: var(--ff-head);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

/* Illustration pathologie */
.patho-visual {
  width: 100%;
  aspect-ratio: 3 / 2;
  background: var(--surface2);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

/* Cadrage précis sur le désordre pour chaque cas */
.pathology-grid .patho-card:nth-child(1) .patho-visual img { object-position: center 55%; }   /* poteau : fissure diagonale centre-bas */
.pathology-grid .patho-card:nth-child(2) .patho-visual img { object-position: 65% 88%; }      /* mur intérieur : fissure au ras du sol */
.pathology-grid .patho-card:nth-child(3) .patho-visual img { object-position: 55% 35%; }      /* voile multi-fissures : zone centrale */
.pathology-grid .patho-card:nth-child(4) .patho-visual img { object-position: 20% 50%; }      /* façade : fissure verticale côté gauche */
.pathology-grid .patho-card:nth-child(5) .patho-visual img { object-position: center 42%; }   /* façade : infiltrations angles fenêtres */
.patho-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.patho-card:hover .patho-visual img { transform: scale(1.06); }

/* Overlay bas d'image — catégorie + numéro */
.patho-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px 16px 12px;
  background: linear-gradient(to top, var(--img-grad-top) 0%, transparent 100%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  z-index: 3;
}
.patho-overlay .patho-num {
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  color: var(--overlay-text);
  letter-spacing: 0.12em;
}
.patho-overlay .patho-cat {
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border-g);
  padding: 3px 9px;
  border-radius: 2px;
  background: var(--img-grad-low);
}

/* Bande de couleur haut de carte */
.patho-card::before {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-d), var(--gold));
  opacity: 0;
  transition: opacity 0.25s;
  flex-shrink: 0;
}
.patho-card:hover::before { opacity: 1; }

/* Problem/Solution */
.patho-ps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: auto;
}
.patho-block {
  background: var(--bg);
  border-radius: 4px;
  padding: 12px 14px;
  border-top: 2px solid transparent;
}
.patho-block:first-child { border-top-color: rgba(239,107,107,0.5); }
.patho-block:last-child  { border-top-color: rgba(94,196,122,0.5); }
.patho-block-label {
  font-family: var(--ff-mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.patho-block-label.prob { color: #EF6B6B; }
.patho-block-label.sol  { color: #5EC47A; }
.patho-block-label.obs  { color: #7A9CC0; }
.patho-block-label.inv  { color: #5EC47A; }
.patho-block.obs-block  { border-top-color: rgba(122,156,192,0.5); }
.patho-block.inv-block  { border-top-color: rgba(94,196,122,0.5); }
.patho-block p {
  font-size: 0.79rem;
  color: var(--text2);
  line-height: 1.55;
}

/* CTA bas de section Prévention */
.prevention-cta {
  margin-top: 56px;
}
.prevention-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: linear-gradient(135deg, rgba(201,168,76,0.08) 0%, rgba(201,168,76,0.03) 100%);
  border: 1px solid var(--border-g);
  border-radius: var(--radius);
  padding: clamp(24px, 4vw, 40px) clamp(28px, 5vw, 56px);
}
.prevention-cta-text { flex: 1; }
.prevention-cta-q {
  font-family: var(--ff-head);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
}
.prevention-cta-sub {
  font-size: 0.84rem;
  color: var(--text2);
  line-height: 1.65;
  max-width: 480px;
}
.prevention-cta-btn { flex-shrink: 0; white-space: nowrap; }

/* ================================================================
   PORTFOLIO
   ================================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.proj-card {
  background: var(--surface2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.proj-large {
  grid-column: span 2;
}
.proj-img {
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}
.proj-large .proj-img { aspect-ratio: 16/9; }
.proj-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--img-grad-top) 0%, var(--img-grad-mid) 60%, transparent 100%);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.3s;
}
.proj-card:hover .proj-overlay { opacity: 1; }
.proj-cat {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid rgba(201,168,76,0.4);
  border-radius: 2px;
  align-self: flex-start;
}
.proj-hover-text {
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.5;
}
.proj-tags-sm {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.proj-tags-sm span {
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  color: var(--text2);
  letter-spacing: 0.06em;
  padding: 2px 7px;
  background: var(--surface-glass2);
  border-radius: 2px;
}
.proj-info {
  padding: 16px 20px 20px;
  background: var(--card);
  flex: 1;
}
.proj-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.proj-year {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.proj-sep { color: var(--text3); font-size: 0.65rem; }
.proj-loc {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text3);
  letter-spacing: 0.06em;
}
.proj-title {
  font-family: var(--ff-head);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

/* Project images — Unsplash */
.proj-1 {
  background-image: url('https://images.unsplash.com/photo-1486325212027-8081e485255e?auto=format&fit=crop&w=900&q=80');
  background-size: cover; background-position: center;
}
.proj-2 {
  background-image: url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=900&q=80');
  background-size: cover; background-position: center;
}
.proj-3 {
  background-image: url('https://images.unsplash.com/photo-1477959858617-67f85cf4f1df?auto=format&fit=crop&w=900&q=80');
  background-size: cover; background-position: center;
}
.proj-4 {
  background-image: url('https://images.unsplash.com/photo-1545324418-cc1a3fa10c00?auto=format&fit=crop&w=900&q=80');
  background-size: cover; background-position: center;
}
.proj-5 {
  background-image: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?auto=format&fit=crop&w=900&q=80');
  background-size: cover; background-position: center;
}
.proj-6 {
  background-image: url('https://images.unsplash.com/photo-1519494026892-59d8e3f50b27?auto=format&fit=crop&w=900&q=80');
  background-size: cover; background-position: center;
}

/* ================================================================
   CONTACT
   ================================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: start;
}
.contact-h2 { margin-top: 0; }
.contact-desc { margin-bottom: 36px; }
.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-g);
  border-radius: var(--radius);
  color: var(--gold);
  flex-shrink: 0;
}
.ci-label {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.ci-val {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 500;
}
a.ci-link {
  display: inline-block;
  transition: color 0.2s;
}
a.ci-link:hover { color: var(--gold); }
a.ci-link:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 2px; }
.contact-right {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 40px);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.form-group label {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 0.875rem;
  padding: 12px 14px;
  outline: 2px solid transparent; /* visible via :focus-visible ci-dessous */
  transition: border-color 0.25s, background 0.25s;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  border-color: var(--gold);
  background: rgba(201,168,76,0.03);
  outline: 2px solid rgba(201,168,76,0.35);
  outline-offset: 0;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text3); }
.form-group select option { background: var(--surface); color: var(--text); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-status { font-size: 0.82rem; min-height: 0; margin-bottom: 4px; }
.submit-btn { width: 100%; justify-content: center; padding: 16px; font-size: 0.9rem; margin-top: 4px; touch-action: manipulation; }

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 60px 0 28px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.footer-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.fl-mh {
  font-family: var(--ff-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
  line-height: 1;
}
.fl-struct {
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  color: var(--text3);
  letter-spacing: 0.2em;
}
.footer-nav {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col-title {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  color: var(--text3);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 0.85rem;
  color: var(--text2);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--gold); }
.footer-col a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 2px; color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom span {
  font-size: 0.78rem;
  color: var(--text3);
  font-family: var(--ff-mono);
  letter-spacing: 0.04em;
}
.footer-legal {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--text3);
}
.footer-legal a {
  color: var(--text3);
  transition: color 0.2s;
}
.footer-legal a:hover { color: var(--gold); }
.footer-legal a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 2px; }

/* ── États bouton formulaire ────────────────────────── */
.submit-btn--success {
  background: #22c55e !important;
  color: #fff !important;
}
.submit-btn--error {
  background: #ef4444 !important;
  color: #fff !important;
}

/* ================================================================
   KEYFRAMES
   ================================================================ */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.4; transform: scaleX(1); }
  50%       { opacity: 1;   transform: scaleX(0.6); }
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .section-header { grid-template-columns: 180px 1fr; gap: 28px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { max-width: 400px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid .svc-card:nth-child(-n+3) { grid-column: span 1; }
  .svc-card.svc-wide { grid-column: span 2; }
  .pathology-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .prevention-cta-inner { flex-direction: column; text-align: center; }
  .prevention-cta-sub { max-width: 100%; }
  .proj-large { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .metrics-strip { justify-content: space-around; }
}

@media (max-width: 768px) {
  /* Fond minimal sur mobile pour que le hamburger reste toujours visible */
  #navbar:not(.scrolled) {
    background: var(--nav-bg-scrolled);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: var(--nav-mobile-bg);
    backdrop-filter: blur(24px);
    padding: 32px var(--pad-x);
    gap: 24px;
    border-bottom: 1px solid var(--border);
    z-index: var(--z-menu);
    overscroll-behavior: contain;
    overflow-y: auto;
    max-height: calc(100svh - var(--nav-h));
  }
  .nav-links.open .nav-link { font-size: 1.1rem; }
  .section-header { grid-template-columns: 1fr; gap: 16px; margin-bottom: 36px; }
  .services-grid { grid-template-columns: 1fr; }
  .services-grid .svc-card:nth-child(-n+3) { grid-column: span 1; }
  .svc-card.svc-wide { grid-column: span 1; }
  .pathology-grid { grid-template-columns: 1fr; }
  .prevention-cta-inner { padding: 24px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .proj-large { grid-column: span 1; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-nav { gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .metrics-strip { flex-direction: column; align-items: center; }
  .metric-sep { width: 40px; height: 1px; margin: 0; }
  .metric-item { padding: 24px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (max-width: 480px) {
  .about-badge { right: 0; }
  .contact-right { padding: 20px 16px; }
}

/* ================================================================
   PREFERS-REDUCED-MOTION
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}