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

:root {
  /* Couleurs */
  --bg-primary: #050816;
  --bg-secondary: #0a0f24;
  --bg-tertiary: #111634;
  --surface: rgba(20, 25, 50, 0.5);
  --surface-hover: rgba(30, 38, 70, 0.7);
  --border: rgba(148, 163, 184, 0.12);
  --border-strong: rgba(148, 163, 184, 0.22);

  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-faint: #64748b;

  --accent-blue: #4f7bff;
  --accent-blue-glow: rgba(79, 123, 255, 0.45);
  --accent-violet: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-mint: #34d399;
  --accent-pink: #ec4899;

  /* Typographie */
  --font-display: "Space Grotesk", "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Espacement & tailles */
  --container: 1200px;
  --container-narrow: 880px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  /* Transitions */
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s cubic-bezier(0.22, 1, 0.36, 1);

  /* Ombres */
  --shadow-soft: 0 12px 40px -12px rgba(0, 0, 0, 0.4);
  --shadow-glow-blue: 0 0 60px -10px rgba(79, 123, 255, 0.5);
  --shadow-glow-violet: 0 0 60px -10px rgba(139, 92, 246, 0.45);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background ambiance */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 15% 10%, rgba(79, 123, 255, 0.18), transparent 60%),
    radial-gradient(ellipse 700px 500px at 85% 30%, rgba(139, 92, 246, 0.15), transparent 60%),
    radial-gradient(ellipse 600px 400px at 50% 90%, rgba(6, 182, 212, 0.12), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

/* Grain / noise overlay (texture filmique premium) */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 1 0'/></filter><rect width='180' height='180' filter='url(%23n)'/></svg>");
  background-repeat: repeat;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

/* Sélection */
::selection {
  background: var(--accent-blue);
  color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 10px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: #1e2548;
}

/* ========================================================================
   TYPOGRAPHIE
   ======================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 64ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(8px);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 10px var(--accent-mint);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

.gradient-text {
  background: linear-gradient(135deg, #fff 0%, #cbd5e1 50%, var(--accent-blue) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
}

.accent-text {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 60%, var(--accent-cyan) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ========================================================================
   LAYOUT
   ======================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-header .eyebrow {
  margin-bottom: 1rem;
}

.section-header p {
  margin-top: 1rem;
}

/* ========================================================================
   HEADER / NAV
   ======================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: all var(--transition);
}

.site-header.scrolled {
  background: rgba(5, 8, 22, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-mark::before {
  content: "";
  position: absolute;
  inset: 1px;
  background: var(--bg-primary);
  border-radius: 8px;
  z-index: 1;
}

.logo-mark span {
  position: relative;
  z-index: 2;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
}

.nav-links a {
  position: relative;
  padding: 0.5rem 0.85rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 10px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.15rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-cta:hover {
  background: rgba(79, 123, 255, 0.15);
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.04);
}

.menu-toggle span {
  position: relative;
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }

.menu-toggle.open span { background: transparent; }
.menu-toggle.open span::before { top: 0; transform: rotate(45deg); }
.menu-toggle.open span::after { top: 0; transform: rotate(-45deg); }

/* Mobile nav hidden by default — only shown via media query below */
.nav-mobile {
  display: none;
}

@media (max-width: 1100px) {
  .nav-links,
  .nav-cta {
    display: none;
  }
  .site-header .nav-cta {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .nav-mobile {
    display: block;
    position: fixed;
    top: 70px;
    left: 1rem;
    right: 1rem;
    background: rgba(10, 15, 36, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }
  .nav-mobile.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-mobile ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }
  .nav-mobile a {
    display: block;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
  }
  .nav-mobile a:hover,
  .nav-mobile a.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
  }
  .nav-mobile .nav-cta {
    display: inline-flex;
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
  }
}

/* ========================================================================
   BUTTONS
   ======================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.6rem;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%);
  color: #fff;
  box-shadow: 0 8px 28px -8px var(--accent-blue-glow);
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-blue) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px -8px var(--accent-blue-glow);
}

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

.btn-primary span {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(148, 163, 184, 0.4);
  transform: translateY(-2px);
}

.btn-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ========================================================================
   HERO
   ======================================================================== */
.hero {
  padding: 9rem 0 5rem;
  position: relative;
  overflow: hidden;
}

/* Spotlight souris dans le hero */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    600px circle at var(--mx, 50%) var(--my, 30%),
    rgba(79, 123, 255, 0.18),
    transparent 45%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.hero.spotlight-on::before {
  opacity: 1;
}

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

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.hero h1 {
  margin: 1.5rem 0 1.5rem;
}

.hero .lead {
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 3rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-mint);
}

/* Visuel hero */
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1.05;
  max-width: 540px;
  margin-left: auto;
  perspective: 1200px;
}

.hero-visual-card {
  position: absolute;
  background: rgba(20, 25, 50, 0.6);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition);
}

.hero-visual-card.main {
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 25, 50, 0.85), rgba(15, 18, 38, 0.85));
  transform: rotate(-2deg);
}

.hero-visual-card.float-1 {
  top: 8%;
  right: -8%;
  width: 220px;
  transform: rotate(4deg) translateZ(40px);
  animation: float 6s ease-in-out infinite;
}

.hero-visual-card.float-2 {
  bottom: 10%;
  left: -6%;
  width: 250px;
  transform: rotate(-3deg) translateZ(60px);
  animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); }
  50% { transform: translateY(-12px) rotate(var(--r, 0deg)); }
}

.hero-visual-card.float-1 { --r: 4deg; }
.hero-visual-card.float-2 { --r: -3deg; }

@media (max-width: 1024px) {
  .hero-visual {
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .hero-visual-card.float-1 {
    width: 170px;
    right: -2%;
  }
  .hero-visual-card.float-2 {
    width: 190px;
    left: -2%;
  }
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.dashboard-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dashboard-title::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 12px var(--accent-mint);
}

.dashboard-stat {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.dashboard-trend {
  font-size: 0.78rem;
  color: var(--accent-mint);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.dashboard-chart {
  margin-top: 1.5rem;
  height: 100px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.06);
  font-size: 0.82rem;
}

.metric-row:last-child {
  border: 0;
}

.metric-label {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.metric-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.metric-value {
  color: var(--text-primary);
  font-weight: 500;
  font-family: var(--font-display);
}

/* ========================================================================
   STATS BAR
   ======================================================================== */
.stats-bar {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.01);
}

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

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1rem;
  }
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* ========================================================================
   EXPERTISES — Stack vertical immersif (à la Justa)
   ======================================================================== */
.expertises-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.expertises-stack .card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 2.5rem 2.5rem;
  min-height: auto;
  scroll-margin-top: 180px;
}

@media (max-width: 900px) {
  .expertises-stack .card {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 1.75rem;
  }
}

.expertises-stack .card-content {
  display: flex;
  flex-direction: column;
}

.expertises-stack .card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin-bottom: 1.25rem;
}

.expertises-stack .card-icon svg {
  width: 26px;
  height: 26px;
}

.expertises-stack .card h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}

.expertises-stack .card > p,
.expertises-stack .card-content > p {
  font-size: clamp(0.95rem, 1.05vw, 1.05rem);
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.expertises-stack .card-list {
  margin-top: 0.5rem;
}

.expertises-stack .card-list li {
  font-size: 0.92rem;
}

.expertises-stack .card-link {
  margin-top: 1.5rem;
  font-size: 0.92rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: rgba(79, 123, 255, 0.1);
  border: 1px solid rgba(79, 123, 255, 0.25);
  border-radius: 999px;
  align-self: flex-start;
}

.expertises-stack .card-link:hover {
  background: rgba(79, 123, 255, 0.15);
  border-color: var(--accent-blue);
  gap: 0.7rem;
}

/* Visuel à droite des cards expertise (stat illustrative) */
.expertise-visual {
  position: relative;
  background: linear-gradient(135deg, rgba(79, 123, 255, 0.08), rgba(139, 92, 246, 0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 220px;
  overflow: hidden;
}

.expertise-visual::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -40%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, var(--accent-blue), transparent 60%);
  opacity: 0.18;
  pointer-events: none;
  filter: blur(20px);
}

.expertise-visual > * {
  position: relative;
  z-index: 1;
}

.expertise-visual-stat {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 0.95;
  background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 60%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.65rem;
}

.expertise-visual-label {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.45;
  max-width: 32ch;
}

.expertise-visual-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  padding: 0.3rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-top: 1rem;
}

.expertise-visual-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 8px var(--accent-mint);
}

/* ========================================================================
   EXPERTISES — Sticky scrollspy tabs
   ======================================================================== */
.expertises-spy-tabs {
  position: sticky;
  top: 88px;
  z-index: 50;
  background: rgba(5, 8, 22, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.4rem;
  display: flex;
  gap: 0.25rem;
  margin: 0 auto 3rem;
  width: fit-content;
  max-width: calc(100% - 2rem);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.4);
}

.expertises-spy-tabs::-webkit-scrollbar {
  display: none;
}

.spy-tab {
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 999px;
  white-space: nowrap;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.spy-tab::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-faint);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.spy-tab:hover {
  color: var(--text-primary);
}

.spy-tab.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  color: #fff;
  box-shadow: 0 4px 16px -4px var(--accent-blue-glow);
}

.spy-tab.active::before {
  background: #fff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
  .expertises-spy-tabs {
    top: 72px;
  }
  .spy-tab {
    font-size: 0.78rem;
    padding: 0.5rem 0.85rem;
  }
}

/* ========================================================================
   CARDS / EXPERTISES
   ======================================================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1000px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.85rem;
  transition: all var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, rgba(79, 123, 255, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(79, 123, 255, 0.25);
  position: relative;
}

.card-icon svg {
  width: 22px;
  height: 22px;
  color: var(--accent-blue);
}

.card-icon.violet {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(236, 72, 153, 0.15));
  border-color: rgba(139, 92, 246, 0.25);
}
.card-icon.violet svg { color: var(--accent-violet); }

.card-icon.cyan {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(79, 123, 255, 0.15));
  border-color: rgba(6, 182, 212, 0.25);
}
.card-icon.cyan svg { color: var(--accent-cyan); }

.card-icon.mint {
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.15), rgba(6, 182, 212, 0.15));
  border-color: rgba(52, 211, 153, 0.25);
}
.card-icon.mint svg { color: var(--accent-mint); }

.card-icon.pink {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.15), rgba(139, 92, 246, 0.15));
  border-color: rgba(236, 72, 153, 0.25);
}
.card-icon.pink svg { color: var(--accent-pink); }

.card-icon.orange {
  background: linear-gradient(135deg, rgba(251, 146, 60, 0.15), rgba(236, 72, 153, 0.15));
  border-color: rgba(251, 146, 60, 0.25);
}
.card-icon.orange svg { color: #fb923c; }

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.015em;
}

.card p {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex-grow: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent-blue);
  transition: all var(--transition-fast);
}

.card-link:hover {
  color: #6b8eff;
  gap: 0.6rem;
}

.card-link svg {
  width: 14px;
  height: 14px;
}

.card-list {
  list-style: none;
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.card-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.card-list li::before {
  content: "";
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-blue);
  margin-top: 0.55rem;
}

/* ========================================================================
   METHODE / STEPS
   ======================================================================== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

@media (max-width: 1000px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}

/* Numéro géant en watermark */
.step::after {
  content: attr(data-step);
  position: absolute;
  top: -2.4rem;
  right: -0.5rem;
  font-family: var(--font-display);
  font-size: 11rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  color: rgba(255, 255, 255, 0.025);
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(180deg, rgba(79, 123, 255, 0.10), rgba(139, 92, 246, 0.04));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all var(--transition);
}

.step:hover::after {
  background: linear-gradient(180deg, rgba(79, 123, 255, 0.20), rgba(139, 92, 246, 0.08));
  -webkit-background-clip: text;
  background-clip: text;
  transform: translateY(-4px);
}

.step > * {
  position: relative;
  z-index: 1;
}

.step:hover {
  transform: translateY(-3px);
  border-color: var(--accent-blue);
  background: var(--surface-hover);
}

.step-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.step-num::before {
  content: "";
  width: 22px;
  height: 1.5px;
  background: var(--accent-blue);
  border-radius: 2px;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.65rem;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ========================================================================
   USE CASES
   ======================================================================== */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 1000px) {
  .usecases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .usecases-grid {
    grid-template-columns: 1fr;
  }
}

.usecase {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.usecase:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.usecase-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.2), rgba(6, 182, 212, 0.2));
  border: 1px solid rgba(52, 211, 153, 0.3);
  display: grid;
  place-items: center;
  color: var(--accent-mint);
}

.usecase-check svg {
  width: 14px;
  height: 14px;
}

.usecase-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.usecase-text strong {
  color: var(--text-primary);
  font-weight: 500;
  display: block;
  margin-bottom: 0.15rem;
}

/* ========================================================================
   LOCAL SEO BLOCK
   ======================================================================== */
.local-seo {
  background: linear-gradient(135deg, rgba(79, 123, 255, 0.06), rgba(139, 92, 246, 0.06));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 4rem 3rem;
  position: relative;
  overflow: hidden;
}

/* Watermark XXL "RÉFÉRENCEMENT" en arrière-plan */
.local-seo::after {
  content: "RÉFÉRENCEMENT";
  position: absolute;
  bottom: -2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 11vw, 8.5rem);
  letter-spacing: -0.05em;
  background: linear-gradient(180deg, rgba(79, 123, 255, 0.10), rgba(139, 92, 246, 0.02));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
  line-height: 0.85;
  width: 100%;
  text-align: center;
}

.local-seo .local-seo-content {
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .local-seo {
    padding: 3rem 1.5rem;
  }
}

.local-seo::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-blue), transparent 60%);
  opacity: 0.15;
  pointer-events: none;
}

.local-seo-content {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.local-seo h2 {
  margin-bottom: 1.25rem;
}

.local-seo .map-pin {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--accent-blue);
  background: rgba(79, 123, 255, 0.1);
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(79, 123, 255, 0.3);
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.local-seo .map-pin svg {
  width: 14px;
  height: 14px;
}

/* ========================================================================
   TOOLS / LOGOS
   ======================================================================== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.85rem;
}

.tool {
  padding: 1.15rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-align: left;
}

.tool:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.tool-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  flex-shrink: 0;
}

/* ========================================================================
   BIG STAT — compteur XXL plein écran
   ======================================================================== */
.big-stat-section {
  padding: 8rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.big-stat-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 50%, rgba(79, 123, 255, 0.18), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.big-stat-content {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.big-stat-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 1.25rem;
}

.big-stat-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 10px var(--accent-mint);
}

.big-stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(5rem, 22vw, 18rem);
  background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 40%, var(--accent-violet) 75%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.06em;
  line-height: 0.85;
  margin: 1rem 0 0.5rem;
  white-space: nowrap;
}

.big-stat-caption {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.4rem);
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.big-stat-caption strong {
  color: var(--text-primary);
  font-weight: 600;
}

.big-stat-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent-blue);
  transition: all var(--transition-fast);
}

.big-stat-cta:hover {
  color: #6b8eff;
  gap: 0.75rem;
}

.big-stat-cta svg {
  width: 16px;
  height: 16px;
}

/* ========================================================================
   CAS CLIENTS — étude de cas pleine page
   ======================================================================== */
.case-study {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.case-study::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-violet), var(--accent-cyan));
}

.case-study:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

@media (max-width: 768px) {
  .case-study { padding: 2rem 1.5rem; }
}

.case-study-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 1100px) {
  .case-study-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.case-study-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.case-study-sector {
  display: inline-flex;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.case-study h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.case-study-client {
  font-size: 1rem;
  color: var(--accent-blue);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.case-study-period {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.case-study-mission {
  margin-top: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.case-results {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1.85rem;
  background: linear-gradient(135deg, rgba(79, 123, 255, 0.06), rgba(139, 92, 246, 0.06));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.case-result {
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.case-result:last-child { border: 0; padding-bottom: 0; }
.case-result:first-child { padding-top: 0; }

.case-result-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.4rem;
}

.case-result-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.case-actions {
  margin-top: 1.5rem;
}

.case-actions h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.85rem;
}

.case-actions ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.case-actions li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.case-actions li::before {
  content: "";
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 0.25rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  mask-size: contain;
  -webkit-mask-size: contain;
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
}

.case-tools-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.case-quote {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: rgba(79, 123, 255, 0.05);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.92rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.65;
}

.case-quote-author {
  display: block;
  margin-top: 0.65rem;
  font-style: normal;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ========================================================================
   CAS CLIENTS — résultats chiffrés
   ======================================================================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1000px) {
  .cases-grid { grid-template-columns: 1fr; }
}

.case {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2.25rem 2rem;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.case::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-violet));
  opacity: 0;
  transition: opacity var(--transition);
}

.case:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}
.case:hover::before { opacity: 1; }

.case-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 1.4rem;
}

.case-metric {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 60%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.case-metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.case h3 {
  font-size: 1.1rem;
  margin-bottom: 0.55rem;
  letter-spacing: -0.01em;
}

.case-client {
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.case p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.case-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.case-tool {
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0.25rem 0.6rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 6px;
}

/* ========================================================================
   CLIENTS / RÉFÉRENCES (marquee infini)
   ======================================================================== */
.marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 70s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-group {
  display: flex;
  flex-shrink: 0;
  gap: 0.85rem;
  padding-right: 0.85rem;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.client-logo {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.4rem 1.6rem;
  min-width: 200px;
  background: var(--surface);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  color: var(--text-secondary);
  transition: all var(--transition);
  min-height: 78px;
  position: relative;
  overflow: hidden;
}

.client-logo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79, 123, 255, 0.08), rgba(139, 92, 246, 0.08));
  opacity: 0;
  transition: opacity var(--transition);
}

.client-logo:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.client-logo:hover::before {
  opacity: 1;
}

.client-logo span {
  position: relative;
  z-index: 1;
}

a.client-logo:hover {
  border-color: var(--accent-blue);
}

a.client-logo::after {
  content: "↗";
  position: absolute;
  top: 0.5rem;
  right: 0.65rem;
  font-size: 0.75rem;
  color: var(--text-faint);
  opacity: 0;
  transition: all var(--transition-fast);
  z-index: 2;
}

a.client-logo:hover::after {
  opacity: 1;
  color: var(--accent-blue);
  transform: translate(2px, -2px);
}

.clients-meta {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ========================================================================
   TESTIMONIALS
   ======================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1000px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.testimonial {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.testimonial:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.testimonial-quote {
  font-size: 0.97rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  font-style: italic;
}

.testimonial-quote::before {
  content: "“";
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent-blue);
  line-height: 0;
  vertical-align: -0.4em;
  margin-right: 0.2em;
  opacity: 0.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

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

/* ========================================================================
   CONTACT / CTA SECTION
   ======================================================================== */
.cta-section {
  text-align: center;
  position: relative;
}

.cta-card {
  background:
    linear-gradient(135deg, rgba(79, 123, 255, 0.08), rgba(139, 92, 246, 0.08)),
    rgba(20, 25, 50, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 5rem 3rem;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .cta-card {
    padding: 3rem 1.5rem;
  }
}

.cta-card::before,
.cta-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.cta-card::before {
  top: -50%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: var(--accent-blue);
  opacity: 0.2;
}

.cta-card::after {
  bottom: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: var(--accent-violet);
  opacity: 0.2;
}

.cta-card > * {
  position: relative;
  z-index: 1;
}

.cta-card h2 {
  margin-bottom: 1rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.cta-card p {
  max-width: 560px;
  margin: 0 auto 2.25rem;
  color: var(--text-secondary);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

/* ========================================================================
   CONTACT FORM
   ======================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 1100px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-card {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.contact-info-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.contact-info-card p {
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.contact-detail svg {
  width: 18px;
  height: 18px;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.contact-detail-label {
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.15rem;
}

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

.form {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

@media (max-width: 600px) {
  .form,
  .contact-info-card {
    padding: 1.75rem 1.5rem;
  }
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 1rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.005em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(5, 8, 22, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-blue);
  background: rgba(5, 8, 22, 0.8);
  box-shadow: 0 0 0 3px rgba(79, 123, 255, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
  font-family: var(--font-body);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8' stroke-width='2'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-success {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 10px;
  color: var(--accent-mint);
  font-size: 0.9rem;
  display: none;
}

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

/* ========================================================================
   FAQ
   ======================================================================== */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-item.open {
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

.faq-question {
  width: 100%;
  padding: 1.4rem 1.6rem;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.005em;
}

.faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
  transition: transform var(--transition);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all var(--transition);
}

.faq-icon::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 1.5px;
  transform: translateY(-50%);
}

.faq-icon::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1.5px;
  transform: translateX(-50%);
}

.faq-item.open .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-item.open .faq-icon::before {
  background: var(--accent-blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.faq-answer-inner {
  padding: 0 1.6rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.7;
}

/* ========================================================================
   PAGES LÉGALES — Mentions légales / Politique de confidentialité
   ======================================================================== */
.legal-content h2 {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.legal-content a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.legal-content a:hover {
  color: #6b8eff;
}

.legal-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.legal-content em {
  color: var(--text-muted);
  font-style: italic;
}

.legal-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.legal-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.legal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
}

/* ========================================================================
   FOOTER
   ======================================================================== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 5rem 0 2rem;
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}

/* Texte XXL signature en bas du footer */
.footer-watermark {
  margin-top: 4rem;
  text-align: center;
  line-height: 0.85;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 9vw, 6.5rem);
  letter-spacing: -0.05em;
  background: linear-gradient(
    180deg,
    rgba(79, 123, 255, 0.18) 0%,
    rgba(139, 92, 246, 0.10) 50%,
    rgba(5, 8, 22, 0) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
  margin-bottom: -1.5rem;
  width: 100%;
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand h4 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 320px;
}

.footer-col h5 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 1.15rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

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

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 0.5rem;
}

.footer-social {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social:hover {
  background: var(--surface-hover);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

/* ========================================================================
   PAGE HERO (services)
   ======================================================================== */
.page-hero {
  padding: 9rem 0 5rem;
  text-align: center;
  position: relative;
}

.page-hero h1 {
  margin: 1.25rem auto 1.25rem;
  max-width: 850px;
}

.page-hero .lead {
  margin: 0 auto 2.25rem;
}

.page-hero-cta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* ========================================================================
   FEATURE LISTS (sub-pages)
   ======================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.feature:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.feature-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(79, 123, 255, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(79, 123, 255, 0.25);
}

.feature-icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent-blue);
}

.feature h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.feature p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ========================================================================
   ANIMATIONS / REVEAL
   ======================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* Préférences réduites */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================================================
   UTILITAIRES
   ======================================================================== */
.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.gap-2 { gap: 1rem; }
.gap-4 { gap: 2rem; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }