/* ─────────────────────────────────────────────────────────────────
   YUCHAI ELECTRIC — Design System
   Style Apple/Tesla — Fond noir, vert électrique, Space Grotesk
   ─────────────────────────────────────────────────────────────────
   FIXES IMAGES — 2026-04-28 (Jérôme / Dev Agent)
   - machine-card-img : object-fit contain + hauteur fixe 220px + fond #0A0A0A
   - gallery-main img : object-fit contain sur fond sombre (pas de distorsion)
   - feature-img img  : object-fit cover conservé (images plein-écran)
   - global img       : image-rendering optimize-contrast + crisp-edges
   - hero / product-hero : background-size cover + background-position center (déjà OK)
   - lazy loading     : déjà présent sur tous les HTML (vérifié)
   ───────────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:      #0A0A0A;
  --black-2:    #111111;
  --black-3:    #161616;
  --green:      #FFC200;
  --green-hover:#FFD040;
  --green-dark: #1A1200;
  --white:      #FFFFFF;
  --gray-1:     #CCCCCC;
  --gray-2:     #888888;
  --gray-3:     #444444;
  --border:     #222222;
  --orange:     #FF6B00;
  --font-title: 'Space Grotesk', sans-serif;
  --font-body:  'Inter', sans-serif;
  --font-mono:  'JetBrains Mono', monospace;
  --radius:     12px;
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}
a { color: inherit; }

/* ─── NAVBAR ──────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.3s, background 0.3s;
}

nav.scrolled {
  background: rgba(10,10,10,0.98);
  border-bottom-color: rgba(255,255,255,0.08);
}

.nav-logo {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--white);
  flex-shrink: 0;
}
.nav-logo span { color: var(--green); }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  color: var(--gray-1);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }

/* ─── BUTTONS ─────────────────────────────────────────────────── */
.btn-cta {
  background: var(--green);
  color: #000;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
  display: inline-block;
  white-space: nowrap;
}
.btn-cta:hover { background: var(--green-hover); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  padding: 10px 24px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
  display: inline-block;
  white-space: nowrap;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.05); }

.btn-large {
  font-size: 16px;
  padding: 16px 36px;
  border-radius: 6px;
}

/* ─── SECTIONS ────────────────────────────────────────────────── */
.section { padding: 120px 48px; }
.section-inner { max-width: 1280px; margin: 0 auto; }

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--gray-2);
  margin-bottom: 56px;
  max-width: 560px;
}

/* ─── HERO ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  background-color: var(--black);
  transform: scale(1.05);
  will-change: transform;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(10,10,10,0.90) 35%, rgba(10,10,10,0.45) 100%);
}

.hero-video {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 80px;
  max-width: 820px;
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--green);
  flex-shrink: 0;
}

.hero h1 {
  font-family: var(--font-title);
  font-size: clamp(48px, 5.5vw, 76px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.hero h1 .accent { color: var(--green); }

.hero-sub {
  font-size: 18px;
  color: var(--gray-1);
  line-height: 1.65;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray-2);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gray-2), transparent);
  animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ─── TRUST BAR ───────────────────────────────────────────────── */
.trust-bar {
  background: var(--black-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1200px;
  margin: 0 auto;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 40px;
  border-right: 1px solid var(--border);
  transition: background 0.2s;
}
.trust-item:last-child { border-right: none; }
.trust-item:hover { background: rgba(255,255,255,0.02); }
.trust-icon {
  width: 42px;
  height: 42px;
  background: rgba(255,194,0,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.trust-text strong {
  display: block;
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 2px;
}
.trust-text span { font-size: 12px; color: var(--gray-2); }

/* ─── MACHINE CARDS ───────────────────────────────────────────── */
.machines-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.machine-card {
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.machine-card:hover {
  transform: translateY(-4px);
  border-color: var(--gray-3);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 30px rgba(255,194,0,0.07);
}

.machine-card-img {
  height: 220px;
  background: #0A0A0A;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.machine-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  transition: transform 0.5s var(--ease);
}
.machine-card:hover .machine-card-img img { transform: scale(1.05); }

.img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0D0D0D 0%, #1A1A1A 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--gray-3);
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--green);
  color: #000;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  animation: pulseBadge 2.5s infinite;
}
@keyframes pulseBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.card-badge-usp {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0,0,0,0.75);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
}

.machine-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.machine-name {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 2px;
}
.machine-type { font-size: 12px; color: var(--gray-2); margin-bottom: 16px; }

.machine-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.stat-item { display: flex; flex-direction: column; gap: 2px; }
.stat-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
}
.stat-label { font-size: 10px; color: var(--gray-2); letter-spacing: 0.05em; }

.card-link {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: gap 0.2s;
}
.machine-card:hover .card-link { gap: 12px; }

/* ─── FEATURED MACHINES ROW ───────────────────────────────── */
.machines-featured-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
.machine-card--featured .machine-card-img {
  height: 300px;
}
.machine-card--featured .machine-name {
  font-size: 22px;
}
.machines-grid-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-2);
  margin-bottom: 16px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.card-badge-popular {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--green);
  color: #000;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  animation: pulseBadge 2.5s infinite;
}

/* ─── NOS MODÈLES PHARES SECTION ──────────────────────────── */
.modeles-phares-section {
  background: #111111;
  padding: 80px 40px;
  border-top: 1px solid rgba(255,194,0,0.12);
  border-bottom: 1px solid rgba(255,194,0,0.12);
}
.modeles-phares-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.phares-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}
.phare-card {
  display: grid;
  grid-template-columns: 380px 1fr;
  background: #1a1a1a;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
  text-decoration: none;
  color: inherit;
}
.phare-card:hover {
  border-color: rgba(255,194,0,0.35);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 24px rgba(255,194,0,0.08);
}
.phare-card-img {
  position: relative;
  overflow: hidden;
  background: #0a0a0a;
  min-height: 220px;
}
.phare-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s var(--ease);
}
.phare-card:hover .phare-card-img img { transform: scale(1.04); }
.phare-card-body {
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.phare-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.phare-card-name {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}
.phare-card-type {
  font-size: 13px;
  color: var(--gray-2);
  margin-bottom: 20px;
}
.phare-card-stats {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.phare-stat-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--green);
  display: block;
}
.phare-stat-label {
  font-size: 11px;
  color: var(--gray-2);
  letter-spacing: 0.05em;
}
.phare-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 14px;
  font-weight: 600;
  transition: gap 0.2s;
}
.phare-card:hover .phare-card-cta { gap: 14px; }
.phare-badge-patent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255,194,0,0.12);
  border: 1px solid rgba(255,194,0,0.3);
  color: var(--green);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
  width: fit-content;
}

/* ─── NAVBAR DROPDOWN ─────────────────────────────────────── */
.nav-item-dropdown {
  position: relative;
}
.nav-item-dropdown > a {
  display: flex;
  align-items: center;
  gap: 5px;
}
.nav-item-dropdown > a::after {
  content: '▾';
  font-size: 10px;
  opacity: 0.6;
}
.nav-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: #1a1a1a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  min-width: 240px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  transform: translateX(-50%) translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  z-index: 200;
}
.nav-item-dropdown:hover .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
/* Bridge transparent couvrant le gap de 12px entre navbar et dropdown */
.nav-item-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -20px;
  right: -20px;
  height: 14px;
  display: none;
  z-index: 199;
}
.nav-item-dropdown:hover::after {
  display: block;
}
.nav-dropdown-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-2);
  padding: 4px 8px 8px;
}
.nav-dropdown a {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--white);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  font-weight: 500;
}
.nav-dropdown a:hover {
  background: rgba(255,194,0,0.1);
  color: var(--green);
}
.nav-dropdown a.nav-dropdown-featured {
  color: var(--green);
  font-weight: 600;
}
.nav-dropdown a.nav-dropdown-featured:hover {
  background: rgba(255,194,0,0.15);
}
.nav-dropdown-sep {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

/* ─── PRODUCT HERO PHARE BANNER ───────────────────────────── */
.hero-phare-banner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(90deg, rgba(255,194,0,0.18), rgba(255,194,0,0.08));
  border: 1px solid rgba(255,194,0,0.4);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
  width: fit-content;
}
.hero-phare-banner-patent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(90deg, rgba(255,194,0,0.18), rgba(255,194,0,0.08));
  border: 1px solid rgba(255,194,0,0.4);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 10px;
  width: fit-content;
}

/* ─── WHY SECTION ─────────────────────────────────────────────── */
.why-section {
  background: var(--green-dark);
  border-top: 1px solid rgba(255,194,0,0.1);
  border-bottom: 1px solid rgba(255,194,0,0.1);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
}
.why-card {
  padding: 48px 40px;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,194,0,0.1);
  border-radius: var(--radius);
  transition: border-color 0.3s, background 0.3s;
}
.why-card:hover {
  border-color: rgba(255,194,0,0.35);
  background: rgba(0,0,0,0.65);
}
.why-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,194,0,0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 28px;
}
.why-title {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
}
.why-title span { color: var(--green); }
.why-body { font-size: 15px; color: var(--gray-1); line-height: 1.65; }

/* ─── TCO SECTION ─────────────────────────────────────────────── */
.tco-section { background: var(--black); }

.tco-hero-number { text-align: center; margin-bottom: 80px; }
.tco-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  margin-bottom: 20px;
}
.tco-number { font-family: var(--font-title); font-weight: 800; letter-spacing: -0.04em; }
.tco-number.big { font-size: clamp(72px, 8vw, 100px); color: var(--green); }
.tco-number.small { font-size: clamp(40px, 5vw, 64px); color: var(--gray-3); text-decoration: line-through; }
.tco-unit { font-size: 20px; color: var(--gray-2); margin-top: 8px; }
.tco-vs { font-family: var(--font-mono); font-size: 14px; color: var(--gray-2); letter-spacing: 0.1em; }
.tco-tagline { font-size: 20px; color: var(--gray-1); text-align: center; max-width: 560px; margin: 0 auto; }

.tco-module {
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 56px;
  max-width: 900px;
  margin: 80px auto 0;
}

.tco-sliders { display: flex; flex-direction: column; gap: 24px; margin-bottom: 48px; }
.slider-row { display: flex; align-items: center; gap: 20px; }
.slider-label { width: 180px; font-size: 13px; color: var(--gray-2); flex-shrink: 0; }

.slider-range {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.slider-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  background: var(--green);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 4px rgba(255,194,0,0.2);
  transition: box-shadow 0.2s;
}
.slider-range::-webkit-slider-thumb:hover { box-shadow: 0 0 0 6px rgba(255,194,0,0.3); }
.slider-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--green);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 0 4px rgba(255,194,0,0.2);
}

.slider-value {
  width: 80px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
}

.tco-table { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 32px; }
.tco-col {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}
.tco-col.electric { border-color: rgba(255,194,0,0.3); background: rgba(255,194,0,0.04); }
.tco-col-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-2);
  margin-bottom: 16px;
}
.tco-col.electric .tco-col-label { color: var(--green); }
.tco-col-cost {
  font-family: var(--font-title);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.tco-col.electric .tco-col-cost { color: var(--green); }
.tco-col-sub { font-size: 13px; color: var(--gray-2); line-height: 1.4; }

.tco-result {
  text-align: center;
  padding: 24px;
  background: rgba(255,194,0,0.06);
  border: 1px solid rgba(255,194,0,0.2);
  border-radius: 10px;
  margin-bottom: 32px;
}
.tco-result-label { font-size: 12px; color: var(--gray-2); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }
.tco-result-value { font-family: var(--font-title); font-size: 42px; font-weight: 800; color: var(--green); letter-spacing: -0.02em; }
.tco-result-roi { font-size: 14px; color: var(--gray-2); margin-top: 8px; }
.tco-cta-row { display: flex; justify-content: center; }

/* ─── USE CASES ───────────────────────────────────────────────── */
.usecases-section { background: var(--black-2); }
.usecases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.usecase-card {
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  min-height: 220px;
  transition: border-color 0.2s, transform 0.2s;
}
.usecase-card:hover { border-color: var(--gray-3); transform: translateY(-2px); }
.usecase-visual {
  width: 200px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
  position: relative;
  overflow: hidden;
}
.usecase-visual-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 60%, var(--black-3));
}
.usecase-body {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.usecase-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.usecase-title {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.2;
}
.usecase-desc { font-size: 14px; color: var(--gray-2); line-height: 1.6; margin-bottom: 20px; }
.usecase-link {
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.usecase-link:hover { gap: 10px; }

/* ─── KAVIK SECTION ───────────────────────────────────────────── */
.kavik-section { background: var(--green-dark); }
.kavik-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 80px;
}
.kavik-promises { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.kavik-promise {
  text-align: center;
  padding: 40px 24px;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,194,0,0.1);
  border-radius: var(--radius);
  transition: border-color 0.3s;
}
.kavik-promise:hover { border-color: rgba(255,194,0,0.3); }
.promise-number {
  font-family: var(--font-title);
  font-size: 40px;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.promise-label { font-size: 15px; font-weight: 600; color: var(--white); margin-bottom: 8px; }
.promise-desc { font-size: 13px; color: var(--gray-2); line-height: 1.5; }

.kavik-map-placeholder {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,194,0,0.1);
  border-radius: var(--radius);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--gray-2);
}

/* ─── CTA FINAL ───────────────────────────────────────────────── */
.cta-final {
  background: #000;
  padding: 160px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 400px at center, rgba(255,194,0,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-final-title {
  font-family: var(--font-title);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.cta-final-title .accent { color: var(--green); }
.cta-final-sub { font-size: 18px; color: var(--gray-2); margin-bottom: 48px; }
.cta-final-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ─── FOOTER ──────────────────────────────────────────────────── */
footer {
  background: var(--black-2);
  border-top: 1px solid var(--border);
  padding: 80px 48px 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px;
  max-width: 1280px;
  margin: 0 auto 64px;
}
.footer-brand {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-brand span { color: var(--green); }
.footer-desc { font-size: 14px; color: var(--gray-2); line-height: 1.6; margin-bottom: 24px; }
.footer-contact { font-size: 14px; color: var(--gray-2); line-height: 1.9; }
.footer-contact a { color: var(--green); text-decoration: none; }
.footer-col-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: var(--gray-2); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--gray-2);
}

/* ─── PRODUCT PAGE HERO ───────────────────────────────────────── */
.product-hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-bottom: 80px;
}
.product-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  background-color: var(--black);
}
.product-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.5) 50%, rgba(10,10,10,0.2) 100%);
}
.product-hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 80px;
}
.product-model {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.product-name {
  font-family: var(--font-title);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.product-type-label { font-size: 18px; color: var(--gray-2); margin-bottom: 32px; }
.product-hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.hero-stat {
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 16px 24px;
  backdrop-filter: blur(12px);
  text-align: center;
}
.hero-stat-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  display: block;
  margin-bottom: 4px;
}
.hero-stat-label { font-size: 11px; color: var(--gray-2); letter-spacing: 0.05em; text-transform: uppercase; }
.product-hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* ─── STICKY PRODUCT NAV ──────────────────────────────────────── */
.product-sticky-nav {
  position: sticky;
  top: 64px;
  z-index: 900;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.product-sticky-nav.visible { opacity: 1; pointer-events: auto; }
.product-sticky-links { display: flex; gap: 0; }
.product-sticky-links a {
  color: var(--gray-2);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 0 20px;
  height: 52px;
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.product-sticky-links a:hover { color: var(--white); border-bottom-color: var(--green); }

/* ─── PRODUCT FEATURES ────────────────────────────────────────── */
.feature-section {
  padding: 120px 48px;
  overflow: hidden;
}
.feature-section:nth-child(even) { background: var(--black-2); }
.feature-section:nth-child(odd) { background: var(--black); }

.feature-layout {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.feature-layout.reverse { direction: rtl; }
.feature-layout.reverse > * { direction: ltr; }

.feature-img {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--black-3);
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 20px;
}
.feature-title {
  font-family: var(--font-title);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.feature-title span { color: var(--green); }
.feature-body { font-size: 16px; color: var(--gray-1); line-height: 1.7; margin-bottom: 24px; }
.feature-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.feature-pill {
  background: rgba(255,194,0,0.08);
  border: 1px solid rgba(255,194,0,0.2);
  color: var(--green);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}

/* ─── CERTIFICATIONS ──────────────────────────────────────────── */
.certs-section {
  background: var(--green-dark);
  padding: 80px 48px;
  border-top: 1px solid rgba(255,194,0,0.1);
  border-bottom: 1px solid rgba(255,194,0,0.1);
}
.certs-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.certs-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 40px 0;
}
.cert-badge {
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,194,0,0.25);
  border-radius: 8px;
  padding: 20px 28px;
  text-align: center;
  min-width: 140px;
}
.cert-badge-icon { font-size: 28px; margin-bottom: 8px; }
.cert-badge-name { font-family: var(--font-title); font-size: 16px; font-weight: 700; color: var(--green); margin-bottom: 4px; }
.cert-badge-desc { font-size: 11px; color: var(--gray-2); line-height: 1.4; }
.certs-checkmarks {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 14px;
  color: var(--gray-1);
}
.certs-checkmarks span::before { content: '✓  '; color: var(--green); font-weight: 700; }

/* ─── SPECS ACCORDION ─────────────────────────────────────────── */
.specs-section { padding: 80px 48px; background: var(--black-2); }
.specs-inner { max-width: 900px; margin: 0 auto; }
.specs-toggle {
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  padding: 0;
  color: var(--white);
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.specs-toggle-icon { font-size: 18px; color: var(--green); transition: transform 0.3s; }
.specs-toggle.open .specs-toggle-icon { transform: rotate(180deg); }
.specs-table { display: none; margin-top: 0; }
.specs-table.open { display: table; width: 100%; border-collapse: collapse; margin-top: 0; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td {
  padding: 14px 0;
  font-size: 14px;
}
.specs-table td:first-child { color: var(--gray-2); width: 55%; }
.specs-table td:last-child { color: var(--white); font-family: var(--font-mono); font-size: 13px; font-weight: 600; }

/* ─── GALLERY ─────────────────────────────────────────────────── */
.gallery-section { padding: 80px 48px; background: var(--black); }
.gallery-inner { max-width: 1280px; margin: 0 auto; }
.gallery-main {
  aspect-ratio: 16/9;
  background: var(--black-3);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
}
.gallery-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.gallery-thumb {
  width: 120px;
  flex-shrink: 0;
  aspect-ratio: 4/3;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s;
}
.gallery-thumb.active { border-color: var(--green); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ─── STICKY CTA BAR (product pages) ─────────────────────────── */
.sticky-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 800;
  background: rgba(0,0,0,0.97);
  border-top: 1px solid var(--border);
  padding: 16px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateY(100%);
  transition: transform 0.3s var(--ease);
  backdrop-filter: blur(12px);
}
.sticky-cta-bar.visible { transform: translateY(0); }
.sticky-cta-product { font-family: var(--font-title); font-size: 16px; font-weight: 700; }
.sticky-cta-product span { color: var(--green); }
.sticky-cta-actions { display: flex; gap: 12px; }

/* ─── RELATED MACHINES ────────────────────────────────────────── */
.related-section { padding: 80px 48px; background: var(--black-2); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1280px; margin: 40px auto 0; }

/* ─── POURQUOI ELECTRIQUE PAGE ────────────────────────────────── */
.argument-section {
  padding: 100px 48px;
  border-bottom: 1px solid var(--border);
}
.argument-section:nth-child(odd) { background: var(--black); }
.argument-section:nth-child(even) { background: var(--black-2); }

.argument-number {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gray-3);
  margin-bottom: 12px;
}
.argument-inner { max-width: 900px; margin: 0 auto; }
.argument-label { font-size: 11px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--green); margin-bottom: 20px; }
.argument-title {
  font-family: var(--font-title);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.argument-body { font-size: 17px; color: var(--gray-1); line-height: 1.7; margin-bottom: 24px; }

.compare-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0;
}
.compare-col {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}
.compare-col.electric { border-color: rgba(255,194,0,0.3); background: rgba(255,194,0,0.04); }
.compare-col-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-2);
  margin-bottom: 16px;
}
.compare-col.electric .compare-col-label { color: var(--green); }
.compare-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 14px;
}
.compare-row:last-child { border-bottom: none; }
.compare-row span:first-child { color: var(--gray-2); }
.compare-row span:last-child { color: var(--white); font-weight: 600; }
.compare-col.electric .compare-row span:last-child { color: var(--green); }

.info-box {
  background: rgba(255,194,0,0.05);
  border: 1px solid rgba(255,194,0,0.15);
  border-left: 3px solid var(--green);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  font-size: 14px;
  color: var(--gray-1);
  line-height: 1.6;
  margin: 24px 0;
}

/* ─── FAQ ─────────────────────────────────────────────────────── */
.faq-section { padding: 80px 48px; background: var(--black-2); }
.faq-inner { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  padding: 24px 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-question:hover { color: var(--green); }
.faq-icon { font-size: 20px; color: var(--green); flex-shrink: 0; transition: transform 0.3s; font-style: normal; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 0 24px;
  font-size: 15px;
  color: var(--gray-1);
  line-height: 1.7;
}
.faq-item.open .faq-answer { display: block; }

/* ─── KAVIK PAGE ──────────────────────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin: 48px 0;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 1px;
  background: var(--border);
  z-index: 0;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 64px;
  height: 64px;
  background: var(--black-3);
  border: 2px solid var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 20px;
}
.step-title { font-family: var(--font-title); font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step-desc { font-size: 13px; color: var(--gray-2); line-height: 1.5; }

/* ─── CONTACT FORM ────────────────────────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 12px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--gray-2); }
.form-input, .form-select, .form-textarea {
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--green); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-select option { background: var(--black-3); }

/* ─── SCROLL ANIMATIONS ───────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.fade-in {
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}
.fade-in.visible { opacity: 1; }

.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.slide-left.visible { opacity: 1; transform: translateX(0); }

.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.slide-right.visible { opacity: 1; transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  .fade-up, .fade-in, .slide-left, .slide-right {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ─── MOBILE NAV ──────────────────────────────────────────────── */
.nav-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: rgba(10,10,10,0.98);
  border-bottom: 1px solid var(--border);
  padding: 24px 24px 32px;
  z-index: 999;
  flex-direction: column;
  gap: 0;
  backdrop-filter: blur(16px);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: var(--gray-1);
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  display: block;
  transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--white); }
.mobile-nav .btn-cta { margin-top: 20px; text-align: center; padding: 14px; font-size: 15px; }

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .machines-featured-row { grid-template-columns: repeat(2, 1fr); }
  .phare-card { grid-template-columns: 280px 1fr; }
  .machines-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .feature-layout { grid-template-columns: 1fr; gap: 48px; }
  .feature-layout.reverse { direction: ltr; }
  .kavik-header { grid-template-columns: 1fr; gap: 48px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .process-steps::before { display: none; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-table { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  nav { padding: 0 16px; }
  .nav-links { display: none; }
  .nav-menu-btn { display: flex; }
  /* Masquer le btn-cta de la navbar sur mobile (disponible dans le menu burger) */
  nav > .btn-cta { display: none; }
  /* Réduire le logo sur mobile pour éviter la troncature */
  .nav-logo { font-size: 14px; letter-spacing: -0.01em; }

  .hero-content { padding: 0 24px; }
  .section { padding: 80px 24px; }
  .product-hero-content { padding: 0 24px; }
  .feature-section { padding: 80px 24px; }
  .argument-section { padding: 72px 24px; }
  .cta-final { padding: 100px 24px; }
  footer { padding: 60px 24px 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .trust-bar-inner { grid-template-columns: repeat(2, 1fr); }
  .trust-item { padding: 20px 16px; }

  .machines-featured-row { grid-template-columns: 1fr; }
  .machines-grid { grid-template-columns: 1fr; }
  .phare-card { grid-template-columns: 1fr; }
  .phare-card-img { min-height: 200px; max-height: 220px; }
  .modeles-phares-section { padding: 60px 24px; }
  .usecases-grid { grid-template-columns: 1fr; }
  .kavik-promises { grid-template-columns: 1fr; }
  .tco-compare { flex-direction: column; gap: 20px; }
  .tco-module { padding: 32px 24px; }
  .tco-table { grid-template-columns: 1fr; }
  .slider-row { flex-wrap: wrap; }
  .slider-label { width: 100%; }
  .slider-value { width: auto; }

  .product-hero-stats { gap: 12px; }
  .hero-stat { padding: 12px 16px; }
  .hero-stat-value { font-size: 18px; }

  .product-sticky-links { display: none; }
  .product-sticky-nav { justify-content: flex-end; }

  .certs-badges { gap: 10px; }
  .cert-badge { min-width: 110px; padding: 14px 16px; }

  .process-steps { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }

  .sticky-cta-bar { padding: 14px 20px; }
  .sticky-cta-product { font-size: 14px; }

  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  /* Boutons hero : empiler sur mobile */
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn-cta, .hero-ctas .btn-outline { width: 100%; text-align: center; }
  /* Boutons product-hero : empiler sur mobile */
  .product-hero-ctas { flex-direction: column; align-items: stretch; }
  .product-hero-ctas .btn-cta, .product-hero-ctas .btn-outline { width: 100%; text-align: center; }
  /* Grilles 2 colonnes dans les formulaires kavik/produit */
  .contact-form-row { grid-template-columns: 1fr !important; }
}

/* ── LANG SWITCHER ───────────────────────────────────────────── */
.lang-switcher { position: relative; display: flex; align-items: center; }
.lang-btn {
  background: transparent; border: 1px solid #333; color: #fff;
  padding: 6px 12px; border-radius: 4px; cursor: pointer; font-size: 13px;
  font-family: inherit; transition: border-color .2s, color .2s;
  display: flex; align-items: center; gap: 4px;
}
.lang-btn:hover { border-color: #FFC200; color: #FFC200; }
.lang-menu {
  display: none; position: absolute; right: 0; top: calc(100% + 6px);
  background: #111; border: 1px solid #222; border-radius: 8px;
  padding: 8px; z-index: 1100; min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
}
.lang-menu.open { display: block; }
.lang-menu button {
  display: block; width: 100%; text-align: left;
  background: none; border: none; color: #ccc;
  padding: 8px 12px; cursor: pointer; border-radius: 4px;
  font-size: 13px; font-family: inherit; transition: background .15s, color .15s;
}
.lang-menu button:hover { background: #1a1a1a; color: #FFC200; }