/* =========================================================
   Improve Consulting — Stylesheet global
   Style : Sombre & high-tech (palette du logo)
   ========================================================= */

:root {
  /* Couleurs (extraites du logo) */
  --bg-deep: #0a0e2a;
  --bg-navy: #11163a;
  --bg-card: #161c44;
  --bg-elevated: #1c2350;

  --accent-cyan: #1de9d4;
  --accent-cyan-glow: rgba(29, 233, 212, 0.45);
  --accent-magenta: #ff2ea0;
  --accent-magenta-glow: rgba(255, 46, 160, 0.45);
  --accent-violet: #7c3aed;
  --accent-lavender: #c8a2ff;

  --text-primary: #ffffff;
  --text-secondary: #c9cee8;
  --text-muted: #8a90b8;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);

  /* Typo */
  --font-sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;

  /* Tailles */
  --container: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  /* Transitions */
  --t-fast: 0.18s ease;
  --t-base: 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Reset léger */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Fond animé subtil */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(255, 46, 160, 0.12), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 10%, rgba(29, 233, 212, 0.10), transparent 60%),
    radial-gradient(ellipse 60% 60% at 50% 100%, rgba(124, 58, 237, 0.10), transparent 60%);
  z-index: -1;
  pointer-events: none;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-cyan); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--accent-magenta); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  color: var(--text-primary);
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { color: var(--text-secondary); margin: 0 0 1em; }

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

/* ===================== HEADER / NAV ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 42, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--container);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}
.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-magenta), var(--accent-violet) 50%, var(--accent-cyan));
  position: relative;
  box-shadow: 0 0 20px rgba(255, 46, 160, 0.35);
  flex-shrink: 0;
  overflow: hidden;
}
.brand-logo::after {
  content: "I";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
}
.brand-logo img { width: 100%; height: 100%; object-fit: contain; border-radius: 10px; display: block; }
.brand-logo:has(img) {
  background: transparent;
  box-shadow: none;
}
.brand-logo:has(img)::after { display: none; }
.brand-name .accent { color: var(--accent-cyan); }

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--t-fast);
}
.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--text-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  text-decoration: none;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-magenta), var(--accent-violet));
  color: white;
  box-shadow: 0 8px 32px rgba(255, 46, 160, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 46, 160, 0.5);
  color: white;
}
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Burger mobile */
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 8px;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--t-base), opacity var(--t-base);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 26px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border-medium);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-cyan);
  background: rgba(29, 233, 212, 0.06);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-magenta) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin: 1rem 0 2rem;
  max-width: 38rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 46, 160, 0.4), transparent 70%);
  filter: blur(40px);
  animation: pulse 6s ease-in-out infinite;
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 20%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(29, 233, 212, 0.35), transparent 70%);
  filter: blur(30px);
  animation: pulse 6s ease-in-out infinite reverse;
}
.hero-orb {
  position: relative;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-magenta), var(--accent-violet) 45%, var(--accent-cyan));
  box-shadow:
    0 0 80px var(--accent-magenta-glow),
    inset 0 0 60px rgba(255, 255, 255, 0.1);
  animation: float 8s ease-in-out infinite;
}
.hero-orb::before {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), transparent 50%);
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Stats bar */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 2.5rem;
  margin: 3rem 0;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-magenta));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  line-height: 1;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* ===================== SECTIONS ===================== */
.section {
  padding: 5rem 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}
.section-head .eyebrow { margin-bottom: 1rem; }
.section-head p { font-size: 1.1rem; }

/* ===================== CARDS / SERVICES ===================== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.card {
  position: relative;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: transform var(--t-base), border-color var(--t-base), background var(--t-base);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-magenta));
  opacity: 0;
  transition: opacity var(--t-base);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  background: var(--bg-elevated);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(255, 46, 160, 0.18), rgba(29, 233, 212, 0.12));
  border: 1px solid var(--border-medium);
  margin-bottom: 1.25rem;
  color: var(--accent-cyan);
}
.card-icon svg { width: 28px; height: 28px; }
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.95rem; margin-bottom: 1rem; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-cyan);
  font-weight: 500;
  font-size: 0.9rem;
}
.card-link:hover { gap: 0.7rem; color: var(--accent-magenta); }

/* ===================== FEATURES (alt rows) ===================== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 5rem;
}
.feature-row:nth-child(even) .feature-text { order: 2; }
.feature-text h2 { margin-bottom: 1rem; }
.feature-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}
.feature-list li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  color: var(--text-secondary);
}
.feature-list li::before {
  content: "→";
  color: var(--accent-cyan);
  font-weight: 700;
  flex-shrink: 0;
}

.feature-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 46, 160, 0.15), rgba(29, 233, 212, 0.10));
  border: 1px solid var(--border-medium);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.feature-visual svg { width: 70%; height: auto; opacity: 0.95; }

/* ===================== TESTIMONIALS ===================== */
.testimonial {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}
.testimonial-quote {
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-magenta), var(--accent-violet));
  display: grid;
  place-items: center;
  color: white;
  font-weight: 700;
  font-size: 0.95rem;
}
.author-info { font-size: 0.9rem; }
.author-info strong { display: block; color: var(--text-primary); }
.author-info span { color: var(--text-muted); }

/* ===================== FAQ ===================== */
.faq { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}
.faq-item summary {
  padding: 1.5rem 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color var(--t-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--accent-cyan);
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform var(--t-base);
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--accent-cyan); }
.faq-answer {
  padding: 0 0 1.5rem;
  color: var(--text-secondary);
}

/* ===================== CTA BLOCK ===================== */
.cta-block {
  padding: 4rem 3rem;
  background:
    radial-gradient(ellipse at top left, rgba(255, 46, 160, 0.18), transparent 60%),
    radial-gradient(ellipse at bottom right, rgba(29, 233, 212, 0.18), transparent 60%),
    var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  text-align: center;
}
.cta-block h2 { margin-bottom: 1rem; }
.cta-block p { font-size: 1.1rem; margin-bottom: 2rem; }

/* ===================== FORM ===================== */
.form-grid {
  display: grid;
  gap: 1.25rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-field { display: flex; flex-direction: column; gap: 0.5rem; }
.form-field label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.form-field input,
.form-field textarea,
.form-field select {
  padding: 0.85rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(29, 233, 212, 0.15);
}
.form-field textarea { resize: vertical; min-height: 130px; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}
.contact-info-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}
.contact-info-card h3 { margin-bottom: 1.25rem; }
.contact-info-card ul { list-style: none; padding: 0; margin: 0; }
.contact-info-card li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
}
.contact-info-card li:last-child { border-bottom: 0; }
.contact-info-card li strong { display: block; color: var(--text-primary); margin-bottom: 0.15rem; font-size: 0.85rem; }
.contact-info-card li a { color: var(--text-secondary); }
.contact-info-card li a:hover { color: var(--accent-cyan); }
.contact-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 8px;
  background: rgba(29, 233, 212, 0.1);
  border: 1px solid var(--border-subtle);
  display: grid;
  place-items: center;
  color: var(--accent-cyan);
}
.contact-icon svg { width: 18px; height: 18px; }

/* ===================== FOOTER ===================== */
.site-footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 4rem;
  background: rgba(10, 14, 42, 0.6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-grid h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.6rem; }
.footer-grid a { color: var(--text-secondary); font-size: 0.95rem; }
.footer-grid a:hover { color: var(--accent-cyan); }
.footer-about p { font-size: 0.95rem; max-width: 28rem; }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ===================== UTILS ===================== */
.text-center { text-align: center; }
.mt-4 { margin-top: 4rem; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(17, 22, 58, 0.4), transparent); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 960px) {
  .hero { padding: 3rem 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero-visual { max-width: 360px; margin: 0 auto; }
  .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: 2rem; margin-bottom: 3rem; }
  .feature-row:nth-child(even) .feature-text { order: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); padding: 1.75rem; }
  .form-row { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cta-block { padding: 3rem 1.5rem; }

  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.5rem;
    gap: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--t-base), opacity var(--t-base);
  }
  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links .btn { width: 100%; justify-content: center; }
}

@media (max-width: 540px) {
  .stats { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay pour les enfants des grilles */
.grid-3 .reveal:nth-child(1), .grid-2 .reveal:nth-child(1) { transition-delay: 0.05s; }
.grid-3 .reveal:nth-child(2), .grid-2 .reveal:nth-child(2) { transition-delay: 0.15s; }
.grid-3 .reveal:nth-child(3), .grid-2 .reveal:nth-child(3) { transition-delay: 0.25s; }
.grid-3 .reveal:nth-child(4), .grid-2 .reveal:nth-child(4) { transition-delay: 0.35s; }
.grid-3 .reveal:nth-child(5), .grid-2 .reveal:nth-child(5) { transition-delay: 0.45s; }
.grid-3 .reveal:nth-child(6), .grid-2 .reveal:nth-child(6) { transition-delay: 0.55s; }

/* ===================== ANIMATIONS PREMIUM ===================== */

/* Shimmer sur le gradient text */
.gradient-text {
  background-size: 200% 100%;
  animation: shimmer 6s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Grille de fond animée (très subtile) */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(29, 233, 212, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 233, 212, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: -1;
  pointer-events: none;
  animation: grid-drift 30s linear infinite;
  mask-image: radial-gradient(ellipse 100% 80% at center, black, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at center, black, transparent 90%);
}
@keyframes grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 60px 60px, 60px 60px; }
}

/* Boutons magnétiques (effet shine au survol) */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: left 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  pointer-events: none;
}
.btn-primary:hover::before { left: 100%; }

/* Pulse subtil sur les eyebrows quand visibles */
.eyebrow::before {
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 12px var(--accent-cyan-glow); transform: scale(1); }
  50% { box-shadow: 0 0 20px var(--accent-cyan-glow); transform: scale(1.2); }
}

/* Lift + glow sur les cartes au survol (renforcé) */
.card {
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
              border-color 0.3s ease,
              background 0.3s ease,
              box-shadow 0.4s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(255, 46, 160, 0.12), 0 0 0 1px rgba(29, 233, 212, 0.15);
}

/* ===================== TYPEWRITER ===================== */
.typewriter .tw-char {
  opacity: 0;
  animation: tw-fade 0.01s forwards;
}
@keyframes tw-fade {
  to { opacity: 1; }
}
.typewriter .tw-cursor {
  display: inline-block;
  width: 4px;
  height: 0.85em;
  background: var(--accent-cyan);
  margin-left: 6px;
  vertical-align: -0.05em;
  border-radius: 2px;
  box-shadow: 0 0 12px var(--accent-cyan-glow);
  animation: tw-blink 0.9s step-end infinite;
  opacity: 0;
}
.typewriter.tw-done .tw-cursor { opacity: 1; }
@keyframes tw-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ===================== MARQUEE (bandeau défilant) ===================== */
.marquee-section {
  padding: 3rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(17, 22, 58, 0.4);
  overflow: hidden;
  position: relative;
}
.marquee-section::before,
.marquee-section::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee-section::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-deep), transparent);
}
.marquee-section::after {
  right: 0;
  background: linear-gradient(-90deg, var(--bg-deep), transparent);
}

.marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 35s linear infinite;
}
.marquee-section:hover .marquee-track {
  animation-play-state: paused;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 1.5rem)); }
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--text-primary);
  white-space: nowrap;
  padding: 0.5rem 0;
  letter-spacing: -0.02em;
}
.marquee-item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-magenta));
  flex-shrink: 0;
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}
.marquee-item.muted { color: var(--text-muted); }

/* ===================== WHATSAPP FLOTTANT ===================== */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.2rem 0.85rem 0.9rem;
  background: #25D366;
  color: white;
  border-radius: 999px;
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.5);
  transition: transform 0.2s ease, box-shadow 0.3s ease;
  animation: wa-pulse 2.5s ease-in-out infinite;
}
.wa-float:hover {
  transform: translateY(-3px) scale(1.04);
  background: #1da855;
  color: white;
  box-shadow: 0 16px 40px rgba(37, 211, 102, 0.55);
}
.wa-float svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  fill: white;
}
.wa-float .wa-label {
  white-space: nowrap;
}
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 12px 32px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  50% { box-shadow: 0 12px 32px rgba(37, 211, 102, 0.4), 0 0 0 16px rgba(37, 211, 102, 0); }
}
@media (max-width: 540px) {
  .wa-float {
    bottom: 1rem;
    right: 1rem;
    padding: 0.75rem;
  }
  .wa-float .wa-label { display: none; }
}

/* ===================== ACCESSIBILITÉ : reduced motion ===================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  body::after { animation: none; }
  .marquee-track { animation: none; }
  .typewriter .tw-char { opacity: 1; }
}