/* ═══════════════════════════════════════════════════════════
   WEBIAPROD — Style principal
   Design system : fond noir, accent indigo, Plus Jakarta Sans
   Version CRO v3 — Gemini feedback intégré
   ═══════════════════════════════════════════════════════════ */

/* --- Variables CSS --- */
:root {
  --color-bg:        #050505;
  --color-text:      #FFFFFF;
  --color-secondary: #9EA3B0;
  --color-accent:    #6366F1;
  --color-border:    rgba(99, 102, 241, 0.15);
  --color-card:      #0D0D0D;

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* --- Utilitaires --- */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

/* --- Boutons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  padding: 12px 28px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: #4f46e5;
  border-color: #4f46e5;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
  background: #fff;
  color: #050505;
  border-color: #fff;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
  border-radius: var(--radius);
}

.btn-full {
  width: 100%;
}

.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: var(--color-accent);
  opacity: 0;
  z-index: -1;
  filter: blur(12px);
  transition: opacity 0.4s ease;
}

.btn-glow:hover::after {
  opacity: 0.4;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ═══════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), backdrop-filter var(--transition);
}

#header.scrolled {
  background: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-secondary);
  transition: color var(--transition);
}

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

.nav-cta {
  padding: 10px 24px;
  font-size: 14px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ═══════════════════════════════════════════════
   HERO — Layout deux colonnes + glassmorphism
   ═══════════════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 40%, rgba(99, 102, 241, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 80% 60%, rgba(99, 102, 241, 0.1) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 50% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
  animation: meshMove 12s ease-in-out infinite alternate;
}

@keyframes meshMove {
  0% {
    background:
      radial-gradient(ellipse 60% 50% at 20% 40%, rgba(99, 102, 241, 0.15) 0%, transparent 70%),
      radial-gradient(ellipse 50% 60% at 80% 60%, rgba(99, 102, 241, 0.1) 0%, transparent 70%),
      radial-gradient(ellipse 40% 40% at 50% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
  }
  50% {
    background:
      radial-gradient(ellipse 55% 55% at 35% 50%, rgba(99, 102, 241, 0.18) 0%, transparent 70%),
      radial-gradient(ellipse 45% 50% at 70% 40%, rgba(99, 102, 241, 0.12) 0%, transparent 70%),
      radial-gradient(ellipse 50% 45% at 55% 30%, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
  }
  100% {
    background:
      radial-gradient(ellipse 50% 60% at 25% 55%, rgba(99, 102, 241, 0.12) 0%, transparent 70%),
      radial-gradient(ellipse 60% 45% at 75% 35%, rgba(99, 102, 241, 0.14) 0%, transparent 70%),
      radial-gradient(ellipse 45% 50% at 45% 45%, rgba(139, 92, 246, 0.09) 0%, transparent 70%);
  }
}

#hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

/* Shimmer gradient sur le H1 */
.shimmer-text {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: linear-gradient(
    90deg,
    #FFFFFF 0%, #FFFFFF 40%, #a5b4fc 50%, #6366F1 55%, #a5b4fc 60%, #FFFFFF 70%, #FFFFFF 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 6s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { background-position: 100% 50%; }
  50% { background-position: 0% 50%; }
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-secondary);
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: var(--color-secondary);
}

.hero-badges a {
  color: var(--color-accent);
  font-weight: 500;
}

.hero-badges a:hover {
  text-decoration: underline;
}

/* Capsule glassmorphism flottante */
.hero-glass {
  animation: glassFloat 6s ease-in-out infinite;
}

@keyframes glassFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.glass-card {
  background: rgba(13, 13, 13, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4), 0 0 60px rgba(99, 102, 241, 0.06);
}

.glass-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  background: rgba(99, 102, 241, 0.04);
}

.glass-dots {
  display: flex;
  gap: 5px;
}

.glass-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.glass-dots span:first-child { background: #ef4444; }
.glass-dots span:nth-child(2) { background: #f59e0b; }
.glass-dots span:nth-child(3) { background: #22c55e; }

.glass-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-secondary);
  flex: 1;
}

.glass-badge-live {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #22c55e;
  display: flex;
  align-items: center;
  gap: 4px;
}

.glass-badge-live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.glass-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.glass-msg {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
  max-width: 90%;
}

.glass-msg-user {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-secondary);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.glass-msg-ai {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.15);
  color: var(--color-text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.glass-typing {
  display: inline;
}

.glass-metrics {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.glass-metric {
  flex: 1;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: 8px;
  padding: 10px 12px;
  text-align: center;
}

.glass-metric strong {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
}

.glass-metric span {
  font-size: 10px;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════
   SECTIONS — Style commun
   ═══════════════════════════════════════════════ */
section {
  padding: 100px 0;
  border-top: 1px solid var(--color-border);
}

section h2 {
  font-size: 40px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════
   SERVICES — Bento Grid
   ═══════════════════════════════════════════════ */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(99, 102, 241, 0.08);
}

.card-glow {
  position: relative;
  overflow: hidden;
}

.card-glow::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, transparent 30%, rgba(99, 102, 241, 0.3) 50%, transparent 70%);
  background-size: 300% 300%;
  opacity: 0;
  z-index: 0;
  transition: opacity 0.5s ease;
  animation: glowSweep 4s ease-in-out infinite;
}

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

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

@keyframes glowSweep {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
}

.card-icon {
  margin-bottom: 20px;
}

.card-metric {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.card p {
  color: var(--color-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  gap: 8px;
}

/* ═══════════════════════════════════════════════
   BANDEAU CTA
   ═══════════════════════════════════════════════ */
.cta-band {
  padding: 64px 0;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
}

.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-band h2 {
  font-size: 32px;
  margin-bottom: 8px;
}

.cta-band p {
  color: var(--color-secondary);
  font-size: 16px;
}

.cta-band-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
}

.cta-phone {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
}

.cta-phone:hover {
  text-decoration: underline;
}

/* ═══════════════════════════════════════════════
   PREUVE SOCIALE
   ═══════════════════════════════════════════════ */
#proof {
  text-align: center;
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 56px;
}

.proof-stat {
  padding: 24px;
}

.stat-number {
  font-size: 56px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  display: block;
}

.stat-suffix {
  display: block;
  font-size: 15px;
  color: var(--color-secondary);
  margin-top: 4px;
}

/* Études de cas */
.case-studies {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
  text-align: left;
}

.case-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.case-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  transform: translateY(-4px);
}

.case-sector {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.case-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.case-desc {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.case-results {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.case-kpi {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.case-kpi strong {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  white-space: nowrap;
}

.case-kpi span {
  font-size: 13px;
  color: var(--color-secondary);
}

/* Ligne résultat en gras — recommandation Gemini */
.case-highlight {
  margin-top: 14px;
  padding: 10px 14px;
  background: rgba(99, 102, 241, 0.06);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

/* Témoignage */
.testimonial {
  max-width: 700px;
  margin: 0 auto;
  text-align: left;
  display: flex;
  gap: 24px;
  padding: 32px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.testimonial-avatar { flex-shrink: 0; }

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 12px;
}

.testimonial-body p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-secondary);
  font-style: italic;
  margin-bottom: 16px;
}

.testimonial-body footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonial-body strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-body footer span {
  font-size: 13px;
  color: var(--color-secondary);
}

/* ═══════════════════════════════════════════════
   STACK TECHNIQUE
   ═══════════════════════════════════════════════ */
.stack-section {
  text-align: center;
}

.stack-subtitle {
  color: var(--color-secondary);
  font-size: 17px;
  max-width: 600px;
  margin: -32px auto 48px;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: left;
}

.stack-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.stack-item:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.stack-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

.stack-item span {
  font-size: 12px;
  color: var(--color-secondary);
}

/* ═══════════════════════════════════════════════
   POURQUOI NOUS
   ═══════════════════════════════════════════════ */
#why {
  text-align: center;
}

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

.why-card {
  padding: 40px 32px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.why-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  transform: translateY(-4px);
}

.why-icon {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}

.why-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.why-card p {
  font-size: 15px;
  color: var(--color-secondary);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--color-card);
  transition: border-color var(--transition);
}

.faq-item[open] {
  border-color: rgba(99, 102, 241, 0.35);
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition);
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 24px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--color-secondary);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════
   CONTACT — Formulaire 3 étapes gamifié
   ═══════════════════════════════════════════════ */
.contact-header {
  text-align: center;
  margin-bottom: 48px;
}

.contact-subtitle {
  font-size: 18px;
  color: var(--color-secondary);
  margin-top: -32px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.contact-form {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
}

/* Indicateur 3 étapes */
.form-steps-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 32px;
}

.step-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0.4;
  transition: opacity var(--transition);
}

.step-dot.active { opacity: 1; }
.step-dot.completed { opacity: 0.7; }

.step-num {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
}

.step-dot.active .step-num {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

.step-dot.completed .step-num {
  border-color: var(--color-accent);
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-accent);
}

.step-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-secondary);
}

.step-line,
.step-line-2 {
  width: 60px;
  height: 2px;
  background: var(--color-border);
  margin: 0 12px;
  margin-bottom: 22px;
  transition: background var(--transition);
}

.step-line.active,
.step-line-2.active {
  background: var(--color-accent);
}

/* Étapes formulaire */
.form-step {
  display: none;
}

.form-step-active {
  display: block;
  animation: stepIn 0.3s ease;
}

@keyframes stepIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.form-step-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  text-align: center;
}

/* Grille secteurs avec icônes */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.sector-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.sector-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-secondary);
  text-align: center;
}

.sector-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--color-text);
}

.sector-option input:checked + .sector-card {
  border-color: var(--color-accent);
  background: rgba(99, 102, 241, 0.08);
  color: var(--color-text);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.sector-card span {
  font-size: 13px;
  font-weight: 500;
}

.form-nav {
  display: flex;
  gap: 12px;
}

.form-nav .btn-outline { flex-shrink: 0; }
.form-nav .btn-primary { flex: 1; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-row .form-group { margin-bottom: 0; }

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-secondary);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-main);
  font-size: 15px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(158, 163, 176, 0.5);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* Infos contact sidebar */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.info-card svg { flex-shrink: 0; }

.info-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  margin-bottom: 2px;
}

.info-card a {
  font-weight: 600;
  color: var(--color-text);
}

.info-card a:hover { color: var(--color-accent); }

.info-card-trust {
  border-color: rgba(99, 102, 241, 0.25);
  background: rgba(99, 102, 241, 0.04);
}

/* Messages formulaire */
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 48px 24px;
}

.form-success h3 { font-size: 22px; font-weight: 600; }
.form-success p { color: var(--color-secondary); font-size: 15px; }

.form-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  font-size: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
#footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 32px;
  align-items: start;
}

.footer-brand .logo { margin-bottom: 8px; }

.footer-baseline {
  font-size: 14px;
  color: var(--color-secondary);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.footer-contact a { color: var(--color-secondary); }
.footer-contact a:hover { color: var(--color-accent); }

.footer-social {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer-social a { opacity: 0.6; transition: opacity var(--transition); }
.footer-social a:hover { opacity: 1; }

.footer-legal {
  grid-column: 1 / -1;
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: rgba(158, 163, 176, 0.6);
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  margin-top: 16px;
}

.footer-legal a { color: rgba(158, 163, 176, 0.6); }
.footer-legal a:hover { color: var(--color-secondary); }

/* ═══════════════════════════════════════════════
   STICKY BAR MOBILE
   ═══════════════════════════════════════════════ */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(5, 5, 5, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-border);
  padding: 8px;
  gap: 8px;
}

.sticky-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.sticky-call { background: var(--color-accent); color: #fff; }
.sticky-call:hover { background: #4f46e5; }
.sticky-write { background: rgba(255, 255, 255, 0.08); color: #fff; }
.sticky-write:hover { background: rgba(255, 255, 255, 0.12); }

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 968px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-glass {
    display: none;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    z-index: 998;
  }

  .nav-links.open { display: flex; }
  .nav-links a { font-size: 24px; }
  .nav-cta { display: none; }

  .menu-toggle { display: flex; z-index: 999; }

  .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.active span:nth-child(2) { opacity: 0; }
  .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-social { justify-content: center; }
  .footer-legal { justify-content: center; flex-wrap: wrap; }
  .cta-band-inner { flex-direction: column; text-align: center; }
  .cta-band-actions { flex-direction: column; }
  .case-studies { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .shimmer-text { font-size: 36px; }
  section h2 { font-size: 28px; }
  section { padding: 72px 0; }
  .bento-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial { flex-direction: column; align-items: center; text-align: center; }
  .testimonial-stars { justify-content: center; }
  .mobile-sticky-bar { display: flex; }
  #footer { padding-bottom: 88px; }
  .stat-number { font-size: 36px; }
  .proof-stats { grid-template-columns: 1fr; gap: 16px; }
  .cta-band h2 { font-size: 24px; }
  .hero-badges { flex-direction: column; gap: 8px; }
  .form-nav { flex-direction: column; }
  .stack-grid { grid-template-columns: 1fr; }
}