/* ═══════════════════════════════════════════════════════════
   COMITRONIC-BTI | Site Groupe — Design Système
   ═══════════════════════════════════════════════════════════ */

/* ─── RESET & BASE ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Couleurs */
  --clr-dark:       #0a0f1e;
  --clr-dark-2:     #0f1628;
  --clr-dark-3:     #141c35;
  --clr-primary:    #003087;
  --clr-primary-l:  #004db3;
  --clr-accent:     #ffc107;
  --clr-accent-l:   #ffd54f;
  --clr-red:        #e53935;
  --clr-teal:       #00bcd4;
  --clr-green:      #00e676;
  --clr-text:       #e8eaf6;
  --clr-text-muted: #8892b0;
  --clr-border:     rgba(255,255,255,0.08);
  --clr-glass:      rgba(255,255,255,0.04);
  --clr-glass-hover:rgba(255,255,255,0.08);

  /* Typography */
  --font-body:  'Inter', system-ui, sans-serif;
  --font-head:  'Space Grotesk', 'Inter', system-ui, sans-serif;

  /* Spacing */
  --section-py: 100px;
  --container:  1200px;
  --radius:     16px;
  --radius-sm:  8px;
  --radius-lg:  24px;

  /* Transitions */
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur:        0.3s;
  --dur-slow:   0.6s;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--clr-dark);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── SCROLLBAR ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-dark); }
::-webkit-scrollbar-thumb { background: var(--clr-primary-l); border-radius: 3px; }

/* ─── FOCUS ─────────────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--clr-accent); outline-offset: 3px; border-radius: 4px; }

/* ─── CONTAINER ─────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── SECTION BASE ──────────────────────────────────────────── */
.section { padding: var(--section-py) 0; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: rgba(255,193,7,0.1);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
  border: 1px solid rgba(255,193,7,0.2);
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ─── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-primary);
  color: #fff;
  border: 2px solid var(--clr-primary);
  box-shadow: 0 0 24px rgba(0,48,135,0.5);
}
.btn-primary:hover {
  background: var(--clr-primary-l);
  border-color: var(--clr-primary-l);
  box-shadow: 0 0 40px rgba(0,77,179,0.7), 0 0 80px rgba(0,77,179,0.3);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

/* ─── ANIMATIONS BASE ───────────────────────────────────────── */
.animate-fade-up {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 0.8s var(--ease) forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── NAVIGATION ────────────────────────────────────────────── */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease), padding var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.nav-header.scrolled {
  background: rgba(10,15,30,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 1px 0 var(--clr-border), 0 4px 32px rgba(0,0,0,0.4);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo img { height: 42px; width: auto; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  padding: 8px 16px;
  border-radius: 8px;
  transition: color var(--dur), background var(--dur);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--clr-accent);
  border-radius: 1px;
  transition: transform var(--dur) var(--ease);
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); }

.nav-link.nav-cta {
  background: var(--clr-primary);
  color: #fff;
  padding: 8px 20px;
  border-radius: 100px;
  border: 2px solid var(--clr-primary);
}
.nav-link.nav-cta::after { display: none; }
.nav-link.nav-cta:hover { background: var(--clr-primary-l); border-color: var(--clr-primary-l); }

.nav-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  color: rgba(255,255,255,0.3);
  font-size: 0.85rem;
}

/* Langue active (texte, non cliquable) */
.lang-active {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-accent);
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(255,193,7,0.1);
  letter-spacing: 0.05em;
  cursor: default;
}

/* Lien vers l'autre langue */
.lang-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  padding: 4px 8px;
  border-radius: 6px;
  transition: all var(--dur);
  letter-spacing: 0.05em;
  text-decoration: none;
}
.lang-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: all var(--dur) var(--ease);
}
.nav-burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ─── HERO ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,48,135,0.35) 0%, transparent 70%),
              radial-gradient(ellipse 60% 80% at 100% 100%, rgba(229,57,53,0.12) 0%, transparent 60%),
              var(--clr-dark);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.grid-h, .grid-v {
  position: absolute;
  background: rgba(255,255,255,0.03);
}
.grid-h { width: 100%; height: 1px; }
.grid-v { width: 1px; height: 100%; }
.grid-h:nth-child(1) { top: 25%; }
.grid-h:nth-child(2) { top: 50%; }
.grid-h:nth-child(3) { top: 75%; }
.grid-v:nth-child(4) { left: 25%; }
.grid-v:nth-child(5) { left: 50%; }
.grid-v:nth-child(6) { left: 75%; }

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,48,135,0.25);
  border: 1px solid rgba(0,77,179,0.4);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--clr-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--clr-green);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 4px var(--clr-green); }
  50%      { box-shadow: 0 0 16px var(--clr-green), 0 0 32px rgba(0,230,118,0.3); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-title-line { color: #fff; }
.hero-title-accent {
  color: var(--clr-accent);
  text-shadow: 0 0 40px rgba(255,193,7,0.4);
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}
.hero-stat strong.stat-number {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.hero-stat > span:not(.stat-label) {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--clr-accent);
  vertical-align: super;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Delays */
[data-delay="0"]   { animation-delay: 0s; }
[data-delay="100"] { animation-delay: 0.1s; }
[data-delay="200"] { animation-delay: 0.2s; }
[data-delay="300"] { animation-delay: 0.3s; }
[data-delay="400"] { animation-delay: 0.4s; }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  animation: fadeUp 1s 1.2s ease both;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--clr-accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero-scroll span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

/* ─── CERT BAND ─────────────────────────────────────────────── */
.cert-band {
  background: #ffffff;
  border-top: 3px solid rgba(0,48,135,0.12);
  border-bottom: 3px solid rgba(0,48,135,0.12);
  padding: 28px 40px;
}

.cert-track { overflow: visible; }
.cert-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px 40px;
  width: 100%;
  animation: none;
}

.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: #f4f6fb;
  border: 1px solid rgba(0,48,135,0.10);
  border-radius: 12px;
  min-width: 110px;
  transition: box-shadow var(--dur), transform var(--dur), background var(--dur);
}
.cert-item:hover {
  background: #eef1f9;
  box-shadow: 0 4px 18px rgba(0,48,135,0.13);
  transform: translateY(-3px);
}
.cert-item img {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: none;
  opacity: 1;
}
.cert-item span {
  font-size: 0.72rem;
  font-weight: 700;
  color: #003087;
  letter-spacing: 0.04em;
  text-align: center;
  white-space: nowrap;
}

/* ─── PRODUCTS ──────────────────────────────────────────────── */
.products-section { background: var(--clr-dark-2); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur-slow) var(--ease-spring), border-color var(--dur) var(--ease), box-shadow var(--dur-slow) var(--ease);
}
.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0,48,135,0.5);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,48,135,0.2);
}
.product-card[data-product="rfid"]:hover { border-color: rgba(0,188,212,0.4); box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 40px rgba(0,188,212,0.1); }
.product-card[data-product="gestion"]:hover { border-color: rgba(255,193,7,0.4); box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 40px rgba(255,193,7,0.1); }

.product-visual {
  position: relative;
  overflow: hidden;
  height: 220px;
  background: rgba(0,0,0,0.2);
}
.product-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.product-card:hover .product-visual img { transform: scale(1.06); }

.product-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(0,48,135,0.3) 0%, transparent 70%);
  pointer-events: none;
  transition: opacity var(--dur);
}
.product-glow.rfid { background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(0,188,212,0.3) 0%, transparent 70%); }
.product-glow.gestion { background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(255,193,7,0.25) 0%, transparent 70%); }

.product-info {
  padding: 28px;
}

.product-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-primary-l);
  background: rgba(0,48,135,0.2);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
  border: 1px solid rgba(0,48,135,0.3);
}
.product-tag.rfid    { color: var(--clr-teal); background: rgba(0,188,212,0.15); border-color: rgba(0,188,212,0.3); }
.product-tag.gestion { color: var(--clr-accent); background: rgba(255,193,7,0.15); border-color: rgba(255,193,7,0.3); }

.product-info h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.product-info p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.product-specs li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
}

.spec-dot {
  width: 6px;
  height: 6px;
  background: var(--clr-primary-l);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--clr-primary-l);
}
.spec-dot.rfid    { background: var(--clr-teal);   box-shadow: 0 0 6px var(--clr-teal); }
.spec-dot.gestion { background: var(--clr-accent); box-shadow: 0 0 6px var(--clr-accent); }

.product-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-primary-l);
  letter-spacing: 0.04em;
  transition: color var(--dur), gap var(--dur);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.product-link:hover { color: #fff; gap: 8px; }
.product-link.rfid    { color: var(--clr-teal); }
.product-link.rfid:hover { color: #fff; }
.product-link.gestion { color: var(--clr-accent); }
.product-link.gestion:hover { color: #fff; }

/* ─── GROUPE ────────────────────────────────────────────────── */
.groupe-section {
  background: var(--clr-dark);
  position: relative;
  overflow: hidden;
}
.groupe-section::before {
  content: '';
  position: absolute;
  right: -200px;
  top: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,48,135,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.groupe-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.factory-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
  border: 1px solid var(--clr-border);
}
.factory-frame img { width: 100%; height: 420px; object-fit: cover; }

.factory-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
}
.factory-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(10,15,30,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.groupe-content .section-tag { display: block; margin-bottom: 12px; }

.groupe-content > p {
  color: var(--clr-text-muted);
  line-height: 1.8;
  margin-bottom: 40px;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 24px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-primary), var(--clr-accent), transparent);
}

.timeline-item {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clr-accent);
  box-shadow: 0 0 12px var(--clr-accent);
}

.timeline-year {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--clr-accent);
  white-space: nowrap;
  min-width: 40px;
}

.timeline-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.timeline-content strong { font-size: 0.95rem; color: #fff; }
.timeline-content span   { font-size: 0.85rem; color: var(--clr-text-muted); }

/* Groupe badges */
.groupe-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.groupe-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  padding: 10px 18px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  transition: all var(--dur);
}
.groupe-badge:hover { background: var(--clr-glass-hover); border-color: rgba(255,255,255,0.15); color: #fff; }
.groupe-badge svg { color: var(--clr-accent); }

/* ─── INTERNATIONAL ─────────────────────────────────────────── */
.international-section {
  background: var(--clr-dark-3);
  position: relative;
}
.international-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0,48,135,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.portal-main,
.portal-tools,
.portal-europe,
.portal-micro {
  margin-bottom: 48px;
}

.portal-category {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.portal-category::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--clr-border);
}

.portal-grid { display: grid; gap: 12px; }
.main-grid   { grid-template-columns: 1fr 1fr; }
.tools-grid  { grid-template-columns: repeat(3, 1fr); }
.europe-grid { grid-template-columns: repeat(3, 1fr); }
.micro-grid  { grid-template-columns: repeat(4, 1fr); }

.portal-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--dur) var(--ease);
  position: relative;
  overflow: hidden;
}
.portal-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 60%);
  pointer-events: none;
}
.portal-card:hover {
  background: var(--clr-glass-hover);
  border-color: rgba(0,77,179,0.4);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3), 0 0 0 1px rgba(0,77,179,0.2);
}

.portal-card.featured {
  padding: 28px 24px;
  background: rgba(0,48,135,0.12);
  border-color: rgba(0,48,135,0.3);
}
.portal-card.featured:hover {
  background: rgba(0,48,135,0.2);
  border-color: rgba(0,77,179,0.5);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3), 0 0 40px rgba(0,48,135,0.2);
}

.portal-card-flag { font-size: 2rem; line-height: 1; }
.portal-card-info { flex: 1; }
.portal-card-info strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}
.portal-card-info span {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

.portal-arrow {
  color: rgba(255,255,255,0.3);
  transition: color var(--dur), transform var(--dur) var(--ease-spring);
  flex-shrink: 0;
}
.portal-card:hover .portal-arrow { color: var(--clr-accent); transform: translate(3px, -3px); }

.portal-card.tool {
  flex-direction: column;
  text-align: center;
  padding: 24px 16px;
  gap: 8px;
}
.tool-icon { font-size: 1.6rem; }
.portal-card.tool span { font-size: 0.85rem; font-weight: 600; color: rgba(255,255,255,0.7); }
.portal-card.tool:hover span { color: #fff; }

.portal-card.country { padding: 16px; gap: 12px; }
.country-flag { font-size: 1.6rem; }
.country-info strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}
.country-info small { font-size: 0.72rem; color: var(--clr-text-muted); }

/* ─── RSE ───────────────────────────────────────────────────── */
.rse-section { background: var(--clr-dark-2); }

.rse-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.rse-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform var(--dur-slow) var(--ease-spring), border-color var(--dur), box-shadow var(--dur-slow);
}
.rse-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.rse-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.rse-icon.env  { background: rgba(0,230,118,0.12); color: var(--clr-green); border: 1px solid rgba(0,230,118,0.25); }
.rse-icon.cert { background: rgba(255,193,7,0.12); color: var(--clr-accent); border: 1px solid rgba(255,193,7,0.25); }
.rse-icon.reg  { background: rgba(0,188,212,0.12); color: var(--clr-teal);  border: 1px solid rgba(0,188,212,0.25); }
.rse-icon.eth  { background: rgba(0,48,135,0.2);   color: #6fa8e8;          border: 1px solid rgba(0,48,135,0.4);   }

.rse-card:nth-child(1):hover { border-color: rgba(0,230,118,0.25); }
.rse-card:nth-child(2):hover { border-color: rgba(255,193,7,0.25); }
.rse-card:nth-child(3):hover { border-color: rgba(0,188,212,0.25); }
.rse-card:nth-child(4):hover { border-color: rgba(0,48,135,0.4); }

.rse-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.rse-card ul { margin-bottom: 24px; }
.rse-card li {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.rse-card li::before {
  content: '✓';
  color: var(--clr-green);
  font-weight: 700;
  font-size: 0.75rem;
  flex-shrink: 0;
}
.rse-card li:last-child { border-bottom: none; }

.rse-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  transition: color var(--dur);
  letter-spacing: 0.02em;
}
.rse-link:hover { color: var(--clr-accent); }

/* ─── CONTACT ───────────────────────────────────────────────── */
.contact-section {
  background: var(--clr-dark);
  position: relative;
}
.contact-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--clr-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 20px; }

.contact-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: border-color var(--dur), transform var(--dur) var(--ease);
}
.contact-card:hover { border-color: rgba(0,77,179,0.3); transform: translateX(4px); }

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(0,48,135,0.2);
  border: 1px solid rgba(0,48,135,0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-primary-l);
}

.contact-card > div { display: flex; flex-direction: column; gap: 4px; }
.contact-card strong {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
}
.contact-card address,
.contact-card span {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

.contact-link {
  font-size: 0.9rem;
  color: var(--clr-primary-l);
  font-weight: 600;
  transition: color var(--dur);
  width: fit-content;
}
.contact-link:hover { color: var(--clr-accent); }

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.contact-map iframe {
  display: block;
  filter: brightness(0.85) contrast(1.1) saturate(0.9);
  border-radius: var(--radius-lg);
  border: none;
}

/* ─── FOOTER ────────────────────────────────────────────────── */
.footer {
  background: var(--clr-dark-2);
  border-top: 1px solid var(--clr-border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand img { height: 36px; width: auto; margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-contact-quick {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-contact-quick a {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  transition: color var(--dur);
}
.footer-contact-quick a:hover { color: var(--clr-accent); }

.footer-nav h4 {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  transition: color var(--dur);
}
.footer-nav a:hover { color: var(--clr-accent); }

.footer-certs h4 {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}
.footer-badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-items: center;
}
.footer-badges img {
  height: 28px;
  width: auto;
  object-fit: contain;
  opacity: 0.6;
  transition: opacity var(--dur);
}
.footer-badges img:hover { opacity: 1; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--clr-border);
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.3); }

.footer-legal {
  display: flex;
  gap: 24px;
}
.footer-legal a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
  transition: color var(--dur);
}
.footer-legal a:hover { color: var(--clr-accent); }

/* ─── BACK TO TOP ───────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 48px;
  height: 48px;
  background: var(--clr-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,48,135,0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity var(--dur), transform var(--dur) var(--ease-spring), background var(--dur);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--clr-primary-l); box-shadow: 0 8px 32px rgba(0,48,135,0.7); }

/* ─── RESPONSIVE ════════════════════════════════════════════════ */

/* --- 1024px --- */
@media (max-width: 1024px) {
  :root { --section-py: 80px; }

  .products-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .rse-grid      { grid-template-columns: repeat(2, 1fr); }
  .portal-grid.europe-grid { grid-template-columns: repeat(2, 1fr); }
  .portal-grid.micro-grid  { grid-template-columns: repeat(3, 1fr); }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
}

/* --- 768px --- */
@media (max-width: 768px) {
  :root { --section-py: 60px; }

  /* Nav mobile */
  .nav-burger { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 100vw);
    background: rgba(10,15,30,0.97);
    backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    border-left: 1px solid var(--clr-border);
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-link { font-size: 1.1rem; padding: 12px 8px; width: 100%; }
  .nav-link::after { display: none; }
  .nav-lang { margin-left: 8px; }

  /* Hero — moins d'animations */
  .hero-canvas { display: none; }
  .hero-grid-lines { display: none; }
  .hero-title { font-size: clamp(1.9rem, 6vw, 2.8rem); }
  .hero-stats { gap: 20px; }
  .hero-stat strong.stat-number { font-size: 1.8rem; }
  .hero-stat-divider { height: 28px; }

  /* Certifications — grille compacte sur mobile */
  .cert-band { padding: 20px 16px; }
  .cert-items { gap: 8px 16px; }
  .cert-item { min-width: 90px; padding: 10px 12px; }

  /* Products — pas de hover lift excessif */
  .product-card:hover { transform: none; }

  /* Groupe */
  .groupe-layout { grid-template-columns: 1fr; gap: 40px; }
  .factory-frame img { height: 280px; }

  /* Portal grids */
  .portal-grid.main-grid   { grid-template-columns: 1fr; }
  .portal-grid.tools-grid  { grid-template-columns: repeat(3, 1fr); }
  .portal-grid.europe-grid { grid-template-columns: repeat(2, 1fr); }
  .portal-grid.micro-grid  { grid-template-columns: repeat(2, 1fr); }

  /* RSE */
  .rse-grid { grid-template-columns: 1fr; }
  .rse-card { padding: 24px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .contact-map  { display: none; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-certs { display: none; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

/* --- 480px --- */
@media (max-width: 480px) {
  :root { --section-py: 48px; }

  .hero-stats { flex-direction: column; gap: 12px; }
  .hero-stat-divider { display: none; }
  .hero-actions { flex-direction: column; width: 100%; }
  .btn { justify-content: center; width: 100%; }

  .portal-grid.tools-grid { grid-template-columns: 1fr 1fr; }
  .portal-grid.micro-grid { grid-template-columns: repeat(2, 1fr); }

  .section-title { font-size: 1.5rem; }

  /* Désactiver toutes les transitions complexes sur mobile petit */
  .product-card { transition: none; }
  .portal-card  { transition: border-color var(--dur); }
  .rse-card     { transition: none; }
}

/* ─── PRÉFÉRENCES RÉDUIT-MOUVEMENT ──────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .animate-fade-up, .reveal { animation: none; opacity: 1; transform: none; }
  /* cert-band — déjà statique, rien à désactiver */
  .scroll-line { animation: none; }
  .badge-dot  { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ─── PRINT ─────────────────────────────────────────────────── */
@media print {
  .nav-header, .hero-canvas, .hero-scroll, .back-to-top,
  .hero-grid-lines { display: none; }
  body { background: #fff; color: #000; }
  .hero { min-height: auto; padding: 40px 0; }
  a::after { content: ' (' attr(href) ')'; font-size: 0.7em; }
}