/* ============================================
   AGENCE SAHRA — Site Vitrine
   Stylesheet Principal
   ============================================ */

/* --- Custom Properties --- */
:root {
  --bg-primary: #060611;
  --bg-section: #0a0a1e;
  --bg-card: #0f0f2a;
  --bg-card-hover: #141435;
  --accent: #c8a44e;
  --accent-light: #e2c97a;
  --accent-glow: rgba(200, 164, 78, 0.25);
  --text-primary: #f0f0f5;
  --text-secondary: #8888a8;
  --text-muted: #5a5a78;
  --border: rgba(200, 164, 78, 0.12);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --success: #4ade80;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(200, 164, 78, 0.15);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1200px;
  --navbar-height: 80px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Preloader --- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  animation: pulse-glow 1.5s ease-in-out infinite;
}

.preloader-logo .logo-img {
  height: 100px;
  width: auto;
  max-width: 300px;
  object-fit: contain;
  filter: drop-shadow(0 0 24px rgba(200, 164, 78, 0.2));
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(0.98); }
  50% { opacity: 1; transform: scale(1); }
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 600;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: rgba(200, 164, 78, 0.06);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-header p {
  color: var(--text-secondary);
  margin-top: 1.2rem;
  font-size: 1.1rem;
}

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

section {
  padding: 120px 0;
  position: relative;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.navbar.scrolled {
  background: rgba(6, 6, 17, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-subtle);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo PNG — intégration site */
.logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.logo .logo-img {
  height: 56px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  object-position: left center;
  transition: opacity var(--transition), transform var(--transition-fast);
  vertical-align: middle;
}

.logo:hover .logo-img {
  opacity: 0.9;
}

.navbar .logo .logo-img {
  height: 54px;
  max-height: calc(var(--navbar-height) - 16px);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #0a0a1a;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  transition: transform var(--transition-fast), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary span {
  position: relative;
  z-index: 1;
}

.btn-primary .btn-arrow {
  position: relative;
  z-index: 1;
  transition: transform var(--transition-fast);
}

.btn-primary:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 50px;
  transition: all var(--transition);
  background: rgba(255, 255, 255, 0.02);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(200, 164, 78, 0.08);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.85rem;
}

.nav-cta {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Menu --- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(6, 6, 17, 0.97);
  backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--accent);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--navbar-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 164, 78, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-orb 8s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(100, 80, 200, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-orb 10s ease-in-out infinite reverse;
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200, 164, 78, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 164, 78, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* --- Aurora hero — halo lumineux animé --- */
.hero-aurora {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 110%, rgba(80, 40, 200, 0.18), transparent 65%),
    radial-gradient(ellipse 55% 40% at 85% 110%, rgba(200, 164, 78, 0.12), transparent 65%),
    radial-gradient(ellipse 80% 35% at 50%  -5%, rgba(100, 60, 180, 0.1),  transparent 70%);
  animation: aurora-breathe 9s ease-in-out infinite alternate;
  will-change: opacity, transform;
}

@keyframes aurora-breathe {
  0%   { opacity: 0.6; transform: translateY(0) scale(1); }
  50%  { opacity: 1;   transform: translateY(-8px) scale(1.03); }
  100% { opacity: 0.7; transform: translateY(4px)  scale(0.98); }
}

/* --- Thème nuit étoilé --- */
.stars-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.stars-hero {
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.9), transparent),
    radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 50% 50%, rgba(255,255,255,0.8), transparent),
    radial-gradient(2px 2px at 80% 10%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 90% 60%, rgba(255,255,255,0.7), transparent),
    radial-gradient(2px 2px at 15% 80%, rgba(200,164,78,0.4), transparent),
    radial-gradient(1px 1px at 70% 40%, rgba(200,164,78,0.3), transparent);
  background-size: 200% 200%;
  opacity: 0.9;
  animation: stars-twinkle 4s ease-in-out infinite;
}

.stars-process {
  background-image:
    radial-gradient(2px 2px at 10% 20%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 25% 40%, rgba(255,255,255,0.5), transparent),
    radial-gradient(2px 2px at 40% 60%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 60% 30%, rgba(255,255,255,0.5), transparent),
    radial-gradient(2px 2px at 75% 70%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 90% 50%, rgba(200,164,78,0.4), transparent),
    radial-gradient(2px 2px at 30% 80%, rgba(200,164,78,0.3), transparent);
  background-size: 200% 200%;
  opacity: 0.6;
}

.stars-subtle {
  background-image:
    radial-gradient(1px 1px at 15% 25%, rgba(255,255,255,0.5), transparent),
    radial-gradient(2px 2px at 35% 65%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 55% 15%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 75% 55%, rgba(255,255,255,0.35), transparent),
    radial-gradient(2px 2px at 90% 35%, rgba(200,164,78,0.25), transparent);
  background-size: 150% 150%;
  opacity: 0.5;
}

@keyframes stars-twinkle {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* --- Canvas Three.js — fond étoilé principal --- */
#threeCanvas {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  width: 100% !important;
  height: 100% !important;
}

/* --- Canvas ciel étoilé section Méthodologie --- */
#processCanvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  width: 100%;
  height: 100%;
}

/* --- Cosmos Starfield Scroll-Driven (réf. doc) — fallback CSS --- */
.cosmos-starfield {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  --scroll-stars: 0;
}

.cosmos-layer {
  position: absolute;
  inset: 0;
  background-repeat: repeat;
  transition: opacity 0.2s ease-out;
}

/* Densité progressive vs scroll : chaque couche apparaît en descendant (réf. doc) */
.cosmos-layer-1 { opacity: clamp(0.25, 0.25 + var(--scroll-stars) * 0.5, 0.75); }
.cosmos-layer-2 { opacity: clamp(0, (var(--scroll-stars) - 0.05) * 1.5, 0.65); }
.cosmos-layer-3 { opacity: clamp(0, (var(--scroll-stars) - 0.2) * 1.5, 0.65); }
.cosmos-layer-4 { opacity: clamp(0, (var(--scroll-stars) - 0.4) * 1.5, 0.65); }
.cosmos-layer-5 { opacity: clamp(0, (var(--scroll-stars) - 0.6) * 1.5, 0.65); }

.cosmos-layer-1 {
  background-image: radial-gradient(3px 3px at 5% 15%, rgba(255,255,255,0.95), transparent),
    radial-gradient(2px 2px at 25% 35%, rgba(255,255,255,0.9), transparent),
    radial-gradient(3px 3px at 45% 55%, rgba(255,255,255,0.85), transparent),
    radial-gradient(2px 2px at 65% 25%, rgba(255,255,255,0.9), transparent),
    radial-gradient(3px 3px at 85% 75%, rgba(200,164,78,0.8), transparent),
    radial-gradient(2px 2px at 15% 70%, rgba(255,255,255,0.8), transparent),
    radial-gradient(2px 2px at 95% 40%, rgba(200,164,78,0.6), transparent),
    radial-gradient(2px 2px at 50% 5%, rgba(255,255,255,0.85), transparent),
    radial-gradient(1px 1px at 30% 90%, rgba(200,164,78,0.5), transparent);
  background-size: 180px 150px;
  animation: cosmos-drift-1 120s linear infinite;
}

.cosmos-layer-2 {
  background-image: radial-gradient(3px 3px at 20% 70%, rgba(255,255,255,0.9), transparent),
    radial-gradient(2px 2px at 45% 15%, rgba(255,255,255,0.9), transparent),
    radial-gradient(2px 2px at 65% 55%, rgba(255,255,255,0.85), transparent),
    radial-gradient(3px 3px at 85% 25%, rgba(200,164,78,0.7), transparent),
    radial-gradient(2px 2px at 10% 50%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 70% 85%, rgba(255,255,255,0.7), transparent);
  background-size: 200px 180px;
  animation: cosmos-drift-2 90s linear infinite;
}

.cosmos-layer-3 {
  background-image: radial-gradient(2px 2px at 15% 45%, rgba(255,255,255,0.9), transparent),
    radial-gradient(3px 3px at 40% 85%, rgba(255,255,255,0.8), transparent),
    radial-gradient(2px 2px at 60% 10%, rgba(255,255,255,0.85), transparent),
    radial-gradient(2px 2px at 80% 65%, rgba(255,255,255,0.85), transparent),
    radial-gradient(3px 3px at 50% 50%, rgba(200,164,78,0.6), transparent);
  background-size: 220px 200px;
  animation: cosmos-drift-3 150s linear infinite reverse;
}

.cosmos-layer-4 {
  background-image: radial-gradient(3px 3px at 25% 35%, rgba(200,164,78,0.7), transparent),
    radial-gradient(2px 2px at 55% 75%, rgba(255,255,255,0.85), transparent),
    radial-gradient(2px 2px at 75% 15%, rgba(255,255,255,0.85), transparent),
    radial-gradient(2px 2px at 35% 90%, rgba(255,255,255,0.8), transparent);
  background-size: 200px 220px;
  animation: cosmos-drift-4 180s linear infinite;
}

.cosmos-layer-5 {
  background-image: radial-gradient(2px 2px at 5% 90%, rgba(255,255,255,0.9), transparent),
    radial-gradient(2px 2px at 35% 5%, rgba(255,255,255,0.9), transparent),
    radial-gradient(3px 3px at 95% 50%, rgba(200,164,78,0.7), transparent),
    radial-gradient(2px 2px at 70% 45%, rgba(255,255,255,0.8), transparent);
  background-size: 190px 210px;
  animation: cosmos-drift-5 100s linear infinite reverse;
}

@keyframes cosmos-drift-1 {
  from { background-position: 0 0; }
  to { background-position: 400px 300px; }
}

@keyframes cosmos-drift-2 {
  from { background-position: 0 0; }
  to { background-position: -350px 400px; }
}

@keyframes cosmos-drift-3 {
  from { background-position: 0 0; }
  to { background-position: 500px -350px; }
}

@keyframes cosmos-drift-4 {
  from { background-position: 0 0; }
  to { background-position: -450px -450px; }
}

@keyframes cosmos-drift-5 {
  from { background-position: 0 0; }
  to { background-position: 380px 420px; }
}

@media (prefers-reduced-motion: reduce) {
  .cosmos-layer {
    animation: none;
  }
}

.hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: rgba(200, 164, 78, 0.06);
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}

.hero-stat .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

/* --- Services Section --- */
.services {
  background: var(--bg-section);
  position: relative;
}

.services .container {
  position: relative;
  z-index: 1;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}

/* JS tilt override : la perspective remplace le simple translateY */
.service-card.js-tilt:hover {
  transform: none;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(200, 164, 78, 0.1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(200, 164, 78, 0.18);
  box-shadow: 0 0 24px rgba(200, 164, 78, 0.15);
}

.service-card h3 {
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.service-metric {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(74, 222, 128, 0.06);
  border: 1px solid rgba(74, 222, 128, 0.12);
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  color: var(--success);
  font-weight: 500;
}

.service-metric svg {
  flex-shrink: 0;
}

/* --- Stats/Results Section --- */
.results {
  position: relative;
  overflow: hidden;
}

.results .container {
  position: relative;
  z-index: 1;
}

.results::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 164, 78, 0.08) 0%, transparent 60%);
  border-radius: 50%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition);
}

.stat-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
}

.stat-card.js-tilt:hover {
  transform: none;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-suffix {
  font-size: 1.5rem;
}

.stat-card .stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --- Process Section --- */
.process {
  background: var(--bg-section);
  position: relative;
  overflow: hidden;
}

.process .container {
  position: relative;
  z-index: 1;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border), var(--border), transparent);
}

.process-step {
  text-align: center;
  position: relative;
  background: rgba(6, 6, 17, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(200, 164, 78, 0.09);
  border-radius: var(--radius);
  padding: 2rem 1.5rem 1.8rem;
  transition: background var(--transition), border-color var(--transition),
              box-shadow var(--transition), transform var(--transition);
}

.process-step:hover {
  background: rgba(10, 8, 28, 0.72);
  border-color: rgba(200, 164, 78, 0.22);
  box-shadow: 0 0 32px rgba(200, 164, 78, 0.08), 0 8px 40px rgba(0, 0, 0, 0.3);
}

/* Empêche le CSS hover transform de conflicier avec le JS tilt */
.process-step.js-tilt:hover {
  transform: none;
}

.step-stars {
  position: absolute;
  inset: -20px;
  pointer-events: none;
}

.step-stars .star {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(200,164,78,0.5);
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.4s ease, transform 0.4s ease, box-shadow 0.3s ease;
}

.process-step:hover .step-stars .star {
  opacity: 1;
  transform: scale(1);
  animation: star-glow 2.5s ease-in-out infinite;
}

.process-step:hover .step-stars .star:nth-child(odd) { animation-delay: 0.5s; }

@keyframes star-glow {
  0%, 100% { box-shadow: 0 0 6px rgba(200,164,78,0.5); }
  50% { box-shadow: 0 0 14px rgba(200,164,78,0.9); }
}

.process-step:hover .step-stars .star:nth-child(1) { top: 20%; left: 15%; transition-delay: 0.05s; }
.process-step:hover .step-stars .star:nth-child(2) { top: 10%; right: 25%; transition-delay: 0.1s; }
.process-step:hover .step-stars .star:nth-child(3) { bottom: 30%; left: 20%; transition-delay: 0.15s; }
.process-step:hover .step-stars .star:nth-child(4) { top: 40%; right: 10%; transition-delay: 0.2s; }
.process-step:hover .step-stars .star:nth-child(5) { bottom: 15%; right: 30%; transition-delay: 0.25s; }
.process-step:hover .step-stars .star:nth-child(6) { top: 25%; left: 5%; transition-delay: 0.3s; }
.process-step:hover .step-stars .star:nth-child(7) { bottom: 30%; right: 15%; transition-delay: 0.35s; }
.process-step:hover .step-stars .star:nth-child(8) { top: 5%; left: 40%; transition-delay: 0.4s; }
.process-step:hover .step-stars .star:nth-child(9) { bottom: 50%; right: 5%; transition-delay: 0.45s; }
.process-step:hover .step-stars .star:nth-child(10) { top: 60%; left: 30%; transition-delay: 0.5s; }

.process-step[data-step="1"] .step-stars .star:nth-child(n+4) { display: none; }
.process-step[data-step="2"] .step-stars .star:nth-child(n+6) { display: none; }
.process-step[data-step="3"] .step-stars .star:nth-child(n+8) { display: none; }

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 1;
  transition: all var(--transition);
}

.process-step:hover .step-number {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 0 30px rgba(200, 164, 78, 0.3);
}

.process-step h3 {
  margin-bottom: 0.6rem;
  font-size: 1.15rem;
}

.process-step p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
}

.testimonial-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
}

.testimonial-quote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1.5rem;
  border-left: 2px solid var(--accent);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--bg-primary);
}

.testimonial-info .name {
  font-weight: 600;
  font-size: 0.95rem;
}

.testimonial-info .role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-section) 50%, var(--bg-primary) 100%);
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 5rem 3rem;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(200, 164, 78, 0.1), transparent 60%);
  border-radius: 50%;
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(100, 80, 200, 0.06), transparent 60%);
  border-radius: 50%;
}

.cta-box h2 {
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-box p {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}

.cta-box .btn-primary {
  position: relative;
  z-index: 1;
}

/* --- Demos Page --- */
.demos-hero {
  padding-top: calc(var(--navbar-height) + 60px);
  padding-bottom: 60px;
  text-align: center;
}

.demo-showcase {
  padding: 80px 0;
}

.demo-showcase:nth-child(even) {
  background: var(--bg-section);
}

.demo-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.demo-layout.reverse {
  direction: rtl;
}

.demo-layout.reverse > * {
  direction: ltr;
}

.demo-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid var(--border-subtle);
}

.demo-browser {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: #1a1a2e;
  border-bottom: 1px solid var(--border-subtle);
}

.browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.browser-dot:nth-child(1) { background: #ff5f56; }
.browser-dot:nth-child(2) { background: #ffbd2e; }
.browser-dot:nth-child(3) { background: #27c93f; }

.browser-url {
  margin-left: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 12px;
  border-radius: 4px;
  flex: 1;
}

.browser-content {
  flex: 1;
  position: relative;
  overflow: hidden;
}

/* Animalerie mockup */
.mockup-animalerie {
  background: linear-gradient(135deg, #1a3a2a, #0d2a1a);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mockup-animalerie .mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mockup-animalerie .mock-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: #4ade80;
}

.mockup-animalerie .mock-nav {
  display: flex;
  gap: 16px;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
}

.mockup-animalerie .mock-hero-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
  margin: 12px 0 4px;
}

.mockup-animalerie .mock-subtitle {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

.mock-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: auto;
}

.mock-product {
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.mock-product-img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  margin-bottom: 6px;
}

.mock-product .mock-name {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.7);
}

.mock-product .mock-price {
  font-size: 0.75rem;
  font-weight: 700;
  color: #4ade80;
}

/* Chauffagerie mockup */
.mockup-chauffagerie {
  background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mockup-chauffagerie .mock-logo {
  font-weight: 600;
  font-size: 1rem;
  color: #16a34a;
}

.mockup-chauffagerie .mock-hero-text {
  font-size: 1.2rem;
  font-weight: 600;
  color: #1a2e1a;
  margin: 12px 0;
}

.mock-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: auto;
}

.mock-service-item {
  background: rgba(255,255,255,0.8);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(22,163,74,.1);
}

.mock-service-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: rgba(22,163,74,.15);
  flex-shrink: 0;
}

.mock-service-item .mock-name {
  font-size: 0.7rem;
  color: #1a2e1a;
}

/* Immobilier mockup */
.mockup-immobilier {
  background: linear-gradient(135deg, #0a1a2e, #1a1a3a);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-immobilier .mock-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: #60a5fa;
}

.mock-search-bar {
  display: flex;
  gap: 8px;
  margin: 8px 0;
}

.mock-search-input {
  flex: 1;
  height: 32px;
  background: rgba(255,255,255,0.08);
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.1);
}

.mock-search-btn {
  width: 64px;
  height: 32px;
  background: #60a5fa;
  border-radius: 6px;
}

.mock-filters {
  display: flex;
  gap: 6px;
}

.mock-filter {
  font-size: 0.6rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.08);
}

.mock-listings {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: auto;
}

.mock-listing {
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  overflow: hidden;
}

.mock-listing-img {
  width: 100%;
  aspect-ratio: 16/10;
}

.mock-listing-info {
  padding: 8px;
}

.mock-listing-info .mock-price {
  font-size: 0.75rem;
  font-weight: 700;
  color: #60a5fa;
}

.mock-listing-info .mock-address {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.5);
}

/* Demo content */
.demo-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 6px 14px;
  background: rgba(200, 164, 78, 0.08);
  border: 1px solid var(--border);
  border-radius: 50px;
  width: fit-content;
}

.demo-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.demo-content > p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.demo-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.demo-metric {
  padding: 16px 20px;
  background: rgba(74, 222, 128, 0.04);
  border: 1px solid rgba(74, 222, 128, 0.1);
  border-radius: var(--radius-sm);
}

.demo-metric .metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success);
  display: block;
}

.demo-metric .metric-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.demo-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* --- Contact Page --- */
.contact-hero {
  padding-top: calc(var(--navbar-height) + 60px);
  padding-bottom: 40px;
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.contact-info > p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(200, 164, 78, 0.1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.contact-detail-text .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.contact-detail-text .value {
  font-weight: 500;
  color: var(--text-primary);
}

/* --- Form --- */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(200, 164, 78, 0.04);
  box-shadow: 0 0 0 3px rgba(200, 164, 78, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238888a8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
  font-size: 1rem;
  padding: 16px 32px;
  cursor: pointer;
  border: none;
}

.form-success {
  display: none;
  text-align: center;
  padding: 3rem;
}

.form-success.visible {
  display: block;
}

.form-success svg {
  margin-bottom: 1rem;
}

.form-success h3 {
  margin-bottom: 0.5rem;
  color: var(--success);
}

.form-success p {
  color: var(--text-secondary);
}

/* --- Footer --- */
.footer {
  padding: 80px 0 40px;
  background: var(--bg-section);
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
  display: inline-flex;
}

.footer-brand .logo .logo-img {
  height: 52px;
  width: auto;
  max-width: 190px;
  opacity: 0.95;
}

.footer-brand .logo:hover .logo-img {
  opacity: 1;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

.footer-col ul a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col ul a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.footer-social {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200, 164, 78, 0.08);
}

/* ============================================
   COSMOS ILLUMINATION — Effets progressifs
   ============================================ */

/* --- Orbe lumineux par section --- */
.section-glow-orb {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  z-index: 0;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  margin: -400px 0 0 -400px;
  background: radial-gradient(
    circle,
    rgba(200, 164, 78, 0.07)  0%,
    rgba(100, 70, 200, 0.04)  35%,
    rgba(60,  40, 160, 0.02)  60%,
    transparent 75%
  );
  transform: scale(0);
  opacity: 0;
  transition:
    transform 2s cubic-bezier(0.16, 1, 0.3, 1),
    opacity   1.8s ease;
}

.illuminated .section-glow-orb {
  transform: scale(1);
  opacity: 1;
}

/* Teinte propre à chaque section */
.results .section-glow-orb {
  background: radial-gradient(
    circle,
    rgba(200, 164, 78, 0.1) 0%,
    rgba(200, 164, 78, 0.04) 40%,
    transparent 70%
  );
}

.process .section-glow-orb {
  background: radial-gradient(
    circle,
    rgba(130, 80, 230, 0.1)  0%,
    rgba(200, 164, 78, 0.05) 35%,
    transparent 70%
  );
  width:  1200px;
  height: 1200px;
  margin: -600px 0 0 -600px;
}

.testimonials .section-glow-orb {
  background: radial-gradient(
    circle,
    rgba(200, 164, 78, 0.06) 0%,
    rgba(80,  60, 180, 0.03) 50%,
    transparent 70%
  );
}

.cta-section .section-glow-orb {
  background: radial-gradient(
    circle,
    rgba(200, 164, 78, 0.09) 0%,
    rgba(100, 60, 200, 0.05) 40%,
    transparent 70%
  );
  width:  1000px;
  height: 1000px;
  margin: -500px 0 0 -500px;
}

/* --- Ligne de connexion process (visible avec le canvas) --- */
.process-steps::before {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(200, 164, 78, 0.15),
    rgba(130, 80, 220, 0.2),
    rgba(200, 164, 78, 0.15),
    transparent
  );
  z-index: 1;
}

/* --- Numéros d'étape — halo au survol plus prononcé --- */
.process-step:hover .step-number {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow:
    0 0 20px rgba(200, 164, 78, 0.5),
    0 0 50px rgba(200, 164, 78, 0.2),
    0 0 80px rgba(130, 80, 220, 0.15);
}

/* --- Stars layer process — réduit car canvas prend le relai --- */
.stars-process {
  opacity: 0.18;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* --- Page Transition --- */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: var(--bg-primary);
  transform: scaleY(0);
  transform-origin: bottom;
  pointer-events: none;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem 2rem;
  }

  .process-steps::before {
    display: none;
  }

  .testimonials-grid {
    max-width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .demo-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .demo-layout.reverse {
    direction: ltr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 80px 0;
  }

  .container {
    padding: 0 20px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .navbar .logo .logo-img {
    height: 48px;
    max-width: 180px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 2rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .stat-card {
    padding: 2rem 1rem;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .testimonials-grid {
    max-width: 100%;
  }

  .hero-stats {
    gap: 2rem;
  }

  .hero-cta .btn-primary,
  .hero-cta .btn-secondary {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .cta-box {
    padding: 3rem 1.5rem;
  }

  .contact-form-wrapper {
    padding: 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .demo-metrics {
    grid-template-columns: 1fr;
  }

  .demo-visual {
    aspect-ratio: 3/2;
  }

  .section-header {
    margin-bottom: 3rem;
  }

  h2 {
    font-size: clamp(1.6rem, 5vw, 2.5rem);
  }

  .demos-hero,
  .contact-hero {
    padding-top: calc(var(--navbar-height) + 40px);
    padding-bottom: 40px;
  }
}

@media (max-width: 480px) {
  section {
    padding: 60px 0;
  }

  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .btn-primary {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .btn-secondary {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .cta-box {
    padding: 2.5rem 1.25rem;
    border-radius: 16px;
  }

  .contact-info h3 {
    font-size: 1.4rem;
  }

  .preloader-logo .logo-img {
    height: 80px;
    max-width: 260px;
  }

  .mock-products {
    grid-template-columns: repeat(2, 1fr);
  }

  .mock-products .mock-product:nth-child(3) {
    display: none;
  }

  .mock-filters {
    flex-wrap: wrap;
  }
}

/* --- Demo Modal (démos intégrées) --- */
.demo-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.demo-modal.open {
  opacity: 1;
  visibility: visible;
}

.demo-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.demo-modal-container {
  position: relative;
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  transform: scale(0.96);
  transition: transform 0.3s ease;
}

.demo-modal.open .demo-modal-container {
  transform: scale(1);
}

.demo-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-section);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.demo-modal-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.demo-modal-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.demo-modal-close:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

.demo-modal-body {
  flex: 1;
  min-height: 0;
  display: flex;
}

.demo-modal-iframe {
  width: 100%;
  height: 75vh;
  min-height: 400px;
  border: none;
  background: #0d0d0d;
}

@media (max-width: 768px) {
  .demo-modal {
    padding: 12px;
  }

  .demo-modal-iframe {
    height: 70vh;
    min-height: 300px;
  }
}

/* ============================================
   COSMOS — Responsive
   ============================================ */
@media (max-width: 768px) {
  .section-glow-orb {
    width:  500px;
    height: 500px;
    margin: -250px 0 0 -250px;
  }

  .process .section-glow-orb {
    width:  700px;
    height: 700px;
    margin: -350px 0 0 -350px;
  }

  /* Sur mobile, réduire le padding des steps process */
  .process-step {
    padding: 1.5rem 1rem 1.2rem;
  }

  /* Aurora hero — moins prononcée sur petit écran */
  .hero-aurora {
    opacity: 0.6;
  }
}

@media (max-width: 480px) {
  .section-glow-orb {
    width:  340px;
    height: 340px;
    margin: -170px 0 0 -170px;
  }
}

/* ── FAQ Section ── */
.faq-section {
  padding: 100px 0 60px;
  position: relative;
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:hover {
  border-color: rgba(200, 164, 78, 0.25);
}

.faq-item.open {
  border-color: rgba(200, 164, 78, 0.35);
  box-shadow: 0 4px 24px rgba(200, 164, 78, 0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), padding 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
}

.faq-answer strong {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 768px) {
  .faq-question {
    padding: 1rem 1.15rem;
    font-size: 0.92rem;
  }
  .faq-answer p {
    padding: 0 1.15rem 1rem;
    font-size: 0.85rem;
  }
}

/* ── Demos Carousel ── */
.demos-carousel-section {
  padding: 100px 0;
  position: relative;
}

.demos-carousel {
  position: relative;
}

.carousel-track {
  position: relative;
  min-height: 420px;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateX(60px);
  transition: opacity 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              visibility 0.55s;
  pointer-events: none;
}

.carousel-slide.active {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
  position: relative;
}

.carousel-slide.exit-left {
  opacity: 0;
  transform: translateX(-60px);
}

.demos-carousel-section .demo-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.demos-carousel-section .demo-visual {
  position: relative;
}

.demos-carousel-section .demo-content h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.demos-carousel-section .demo-content p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.demos-carousel-section .demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(200, 164, 78, 0.1);
  border: 1px solid rgba(200, 164, 78, 0.2);
  padding: 5px 12px;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.demos-carousel-section .demo-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.demos-carousel-section .tech-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-secondary);
}

/* Carousel Controls */
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.carousel-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}

.carousel-arrow:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200, 164, 78, 0.08);
  transform: scale(1.08);
}

.carousel-dots {
  display: flex;
  gap: 10px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: all 0.35s ease;
  padding: 0;
}

.carousel-dot.active {
  background: var(--accent);
  box-shadow: 0 0 12px rgba(200, 164, 78, 0.4);
  transform: scale(1.3);
}

.carousel-dot:hover:not(.active) {
  background: rgba(255, 255, 255, 0.35);
}

@media (max-width: 900px) {
  .demos-carousel-section .demo-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .carousel-track {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .demos-carousel-section .demo-content h3 {
    font-size: 1.3rem;
  }
  .carousel-arrow {
    width: 38px;
    height: 38px;
  }
}