/* =========================================================
   Zephyris Consulting — Feuille de style partagée
   Thème : cybersécurité moderne (navy + cyan électrique)
   ========================================================= */

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
  line-height: 1.65;
  color: #1a2332;
  background: #fafbfc;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   Header / Navigation
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.3px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #00d4ff, #0085ff);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0a1628;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 4px 14px rgba(0, 212, 255, 0.3);
}

.brand .accent { color: #00d4ff; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 34px;
  align-items: center;
}

.main-nav a {
  color: #cfd8e3;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: #00d4ff;
  border-bottom-color: #00d4ff;
}

.nav-cta {
  background: #00d4ff;
  color: #0a1628 !important;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  border-bottom: none !important;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.nav-cta:hover {
  background: #22dfff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 212, 255, 0.35);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.6rem;
  cursor: pointer;
}

/* =========================================================
   Boutons
   ========================================================= */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-primary {
  background: #00d4ff;
  color: #0a1628;
}

.btn-primary:hover {
  background: #22dfff;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0, 212, 255, 0.35);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  border-color: #00d4ff;
  color: #00d4ff;
  background: rgba(0, 212, 255, 0.05);
}

.btn-dark {
  background: #0a1628;
  color: white;
}

.btn-dark:hover {
  background: #15294d;
  transform: translateY(-2px);
}

/* =========================================================
   Hero (page d'accueil)
   ========================================================= */
.hero {
  background:
    radial-gradient(ellipse at top right, rgba(0, 212, 255, 0.18), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(0, 133, 255, 0.12), transparent 55%),
    linear-gradient(180deg, #0a1628 0%, #0f1f3a 100%);
  color: white;
  padding: 110px 0 130px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: #00d4ff;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.4px;
}

.hero-eyebrow .dot {
  width: 8px;
  height: 8px;
  background: #00d4ff;
  border-radius: 50%;
  box-shadow: 0 0 10px #00d4ff;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.7rem);
  font-weight: 700;
  line-height: 1.12;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero h1 .highlight {
  background: linear-gradient(120deg, #00d4ff, #5effa2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p.lead {
  font-size: 1.2rem;
  opacity: 0.85;
  margin-bottom: 38px;
  max-width: 640px;
}

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

/* =========================================================
   Page header (sous-pages)
   ========================================================= */
.page-header {
  background:
    radial-gradient(ellipse at top, rgba(0, 212, 255, 0.12), transparent 60%),
    linear-gradient(180deg, #0a1628 0%, #122544 100%);
  color: white;
  padding: 90px 0 70px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

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

.page-header .eyebrow {
  display: inline-block;
  color: #00d4ff;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
  font-weight: 700;
}

.page-header p {
  opacity: 0.85;
  font-size: 1.15rem;
  max-width: 680px;
  margin: 0 auto;
}

/* =========================================================
   Sections génériques
   ========================================================= */
.section {
  padding: 90px 0;
}

.section.bg-white { background: white; }
.section.bg-light { background: #f4f7fb; }

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title .eyebrow {
  display: inline-block;
  color: #0085ff;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-title h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  color: #0a1628;
  margin-bottom: 18px;
  font-weight: 700;
  letter-spacing: -0.4px;
}

.section-title p {
  color: #5a6a7e;
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto;
}

/* =========================================================
   Cartes
   ========================================================= */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.card {
  background: white;
  padding: 34px;
  border-radius: 14px;
  border: 1px solid #e6ecf2;
  transition: all 0.28s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 14px 34px rgba(10, 22, 40, 0.09);
}

.card .icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 133, 255, 0.15));
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0085ff;
  margin-bottom: 22px;
  font-size: 1.5rem;
}

.card h3 {
  color: #0a1628;
  font-size: 1.2rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.card p {
  color: #5a6a7e;
  font-size: 0.98rem;
}

/* =========================================================
   Offres
   ========================================================= */
.offers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
  max-width: 980px;
  margin: 0 auto;
}

.offer {
  background: white;
  padding: 44px 36px;
  border-radius: 18px;
  border: 1px solid #e6ecf2;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all 0.28s;
}

.offer:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(10, 22, 40, 0.1);
}

.offer.featured {
  border: 2px solid #00d4ff;
  box-shadow: 0 22px 44px rgba(0, 212, 255, 0.14);
}

.offer.featured::before {
  content: 'RECOMMANDÉ';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #00d4ff, #0085ff);
  color: white;
  padding: 6px 20px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1px;
  box-shadow: 0 6px 14px rgba(0, 212, 255, 0.35);
}

.offer-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #00d4ff, #0085ff);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: 22px;
  font-size: 1.8rem;
  box-shadow: 0 10px 24px rgba(0, 212, 255, 0.3);
}

.offer h3 {
  font-size: 1.55rem;
  color: #0a1628;
  margin-bottom: 6px;
  font-weight: 700;
}

.offer .tag {
  color: #0085ff;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 18px;
}

.offer p.desc {
  color: #5a6a7e;
  margin-bottom: 26px;
  font-size: 0.98rem;
}

.offer ul.features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.offer ul.features li {
  padding: 12px 0 12px 30px;
  position: relative;
  color: #2c3e52;
  border-bottom: 1px solid #f0f4f8;
  font-size: 0.96rem;
}

.offer ul.features li:last-child { border-bottom: none; }

.offer ul.features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15px;
  width: 18px;
  height: 18px;
  background: rgba(0, 212, 255, 0.12);
  border-radius: 50%;
}

.offer ul.features li::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 19px;
  width: 8px;
  height: 4px;
  border-left: 2px solid #0085ff;
  border-bottom: 2px solid #0085ff;
  transform: rotate(-45deg);
}

/* =========================================================
   Processus — étapes
   ========================================================= */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.step {
  display: flex;
  gap: 28px;
  background: white;
  padding: 36px;
  border-radius: 14px;
  border: 1px solid #e6ecf2;
  position: relative;
  transition: all 0.25s;
}

.step:hover {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 12px 28px rgba(10, 22, 40, 0.08);
}

.step-number {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #00d4ff, #0085ff);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(0, 212, 255, 0.3);
}

.step-body {
  flex-grow: 1;
}

.step-body h3 {
  color: #0a1628;
  font-size: 1.3rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.step-body p {
  color: #5a6a7e;
  margin-bottom: 10px;
}

.step-body .meta {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.85rem;
  color: #0085ff;
  font-weight: 600;
  background: rgba(0, 133, 255, 0.08);
  padding: 5px 12px;
  border-radius: 999px;
}

.step-body ul.sub {
  list-style: none;
  margin-top: 14px;
}

.step-body ul.sub li {
  position: relative;
  padding: 6px 0 6px 22px;
  color: #2c3e52;
  font-size: 0.94rem;
}

.step-body ul.sub li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: #00d4ff;
  font-weight: 700;
}

/* =========================================================
   Logos clients
   ========================================================= */
.logos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.logo-card {
  background: white;
  border: 1px solid #e6ecf2;
  border-radius: 14px;
  padding: 34px 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  font-weight: 800;
  font-size: 1.35rem;
  color: #5a6a7e;
  transition: all 0.28s;
  text-align: center;
  letter-spacing: -0.3px;
}

.logo-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 14px 30px rgba(10, 22, 40, 0.08);
  color: #0a1628;
}

/* Couleurs signatures par logo (placeholder visuel) */
.logo-card.doctolib { color: #0075ff; }
.logo-card.blablacar { color: #00aff5; }
.logo-card.ovh { color: #123f6d; }
.logo-card.carrefour { color: #004e9f; }
.logo-card.decathlon { color: #0082c3; }
.logo-card.orange { color: #ff7900; }
.logo-card.sncf { color: #2d2e83; }
.logo-card.leboncoin { color: #ec5a13; }
.logo-card.airfrance { color: #002157; }
.logo-card.total { color: #ed1c24; }
.logo-card.veolia { color: #ed2224; }
.logo-card.societegenerale { color: #e60028; }

/* Lynxeo : wordmark texte, "x" en orange */
.logo-card.lynxeo { color: #0a1628; }
.logo-card.lynxeo .x { color: #ff7900; }

/* =========================================================
   Témoignage
   ========================================================= */
.testimonial {
  background: linear-gradient(135deg, #0a1628, #122544);
  color: white;
  padding: 60px 56px;
  border-radius: 18px;
  text-align: center;
  max-width: 900px;
  margin: 70px auto 0;
  position: relative;
  overflow: hidden;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 40px;
  font-size: 9rem;
  color: rgba(0, 212, 255, 0.18);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial blockquote {
  font-size: 1.25rem;
  font-style: italic;
  margin-bottom: 28px;
  position: relative;
  line-height: 1.55;
}

.testimonial cite {
  display: block;
  color: #00d4ff;
  font-weight: 600;
  font-style: normal;
  font-size: 0.95rem;
  letter-spacing: 0.4px;
}

/* =========================================================
   Statistiques
   ========================================================= */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.stat .number {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(120deg, #00d4ff, #0085ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  letter-spacing: -1px;
}

.stat .label {
  color: #5a6a7e;
  font-weight: 500;
  margin-top: 8px;
  font-size: 1rem;
}

/* =========================================================
   CTA section
   ========================================================= */
.cta-section {
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.15), transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 133, 255, 0.15), transparent 50%),
    linear-gradient(135deg, #0a1628, #0f2247);
  color: white;
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.cta-section h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.4rem);
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}

.cta-section p {
  font-size: 1.15rem;
  opacity: 0.85;
  margin-bottom: 36px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* =========================================================
   Formulaire
   ========================================================= */
.form-wrap {
  max-width: 740px;
  margin: 0 auto;
  background: white;
  padding: 48px;
  border-radius: 18px;
  border: 1px solid #e6ecf2;
  box-shadow: 0 10px 34px rgba(10, 22, 40, 0.06);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #0a1628;
  font-size: 0.93rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid #d6dee7;
  border-radius: 9px;
  font-size: 1rem;
  font-family: inherit;
  color: #1a2332;
  background: #fafbfc;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #00d4ff;
  background: white;
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.14);
}

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

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: #06101e;
  color: #cfd8e3;
  padding: 70px 0 28px;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

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

.footer-brand .brand { margin-bottom: 18px; }

.footer-brand p {
  opacity: 0.7;
  max-width: 340px;
  font-size: 0.95rem;
}

.footer-col h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 18px;
  font-weight: 700;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 11px; }

.footer-col a {
  color: #cfd8e3;
  opacity: 0.7;
  font-size: 0.94rem;
  transition: all 0.2s;
}

.footer-col a:hover {
  opacity: 1;
  color: #00d4ff;
}

.footer-bottom {
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  opacity: 0.6;
}

/* =========================================================
   Notification
   ========================================================= */
.notification {
  position: fixed;
  top: 24px;
  right: 24px;
  background: #0a1628;
  color: white;
  padding: 16px 22px;
  border-radius: 10px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28);
  border-left: 4px solid #00d4ff;
  z-index: 1000;
  transform: translateX(440px);
  opacity: 0;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 380px;
  font-size: 0.95rem;
}

.notification.show {
  transform: translateX(0);
  opacity: 1;
}

.notification .close-btn {
  background: none;
  border: none;
  color: white;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  opacity: 0.7;
  margin-left: auto;
}

.notification .close-btn:hover { opacity: 1; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .menu-toggle { display: block; }

  .main-nav.open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(12px);
    padding: 24px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
  }

  .main-nav.open ul {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }

  .hero { padding: 80px 0 100px; }
  .section { padding: 64px 0; }
  .section-title { margin-bottom: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }
  .step { flex-direction: column; padding: 28px; }
  .testimonial { padding: 44px 28px; }
  .form-wrap { padding: 30px; }
  .offer { padding: 36px 28px; }

  .notification {
    top: 14px;
    right: 14px;
    left: 14px;
    max-width: none;
    transform: translateY(-120px);
  }
  .notification.show { transform: translateY(0); }
}