/* =========
   BASE
   ========= */

:root {
  --bg-body: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.9);
  --bg-card-soft: rgba(15, 23, 42, 0.7);
  --text-main: #e5e7eb;
  --text-muted: #cbd5f5;
  --text-soft: #9ca3af;
  --accent: #4f46e5;
  --accent-soft: #6366f1;
  --accent-strong: #1e293b;
  --border-subtle: rgba(148, 163, 184, 0.4);
  --radius-lg: 20px;
  --radius-xl: 26px;
  --shadow-soft: 0 18px 50px rgba(15, 23, 42, 0.65);
  --shadow-card: 0 14px 40px rgba(15, 23, 42, 0.9);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at top, #0b1220 0, #020617 45%, #020617 100%);
  -webkit-font-smoothing: antialiased;
}

/* =========
   LAYOUT GÉNÉRAL
   ========= */

.page-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 40px;
}

.section {
  padding: 40px 0 32px;
}

.section-inner {
  max-width: 830px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.7rem;
  line-height: 1.25;
  margin: 0 0 10px;
  color: #f9fafb;
}

.section-subtitle {
  font-size: 1.4rem;
  margin: 0 0 10px;
  color: #e5e7eb;
}

.text-muted {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 0 6px;
}

/* =========
   HEADER
   ========= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.98),
    rgba(15, 23, 42, 0.9),
    rgba(15, 23, 42, 0.8),
    transparent
  );
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.site-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 16px 10px;
}

.header-top-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

/* Branding */

.branding {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.branding-strong {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: #f9fafb;
}

.branding-sub {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9ca3af;
}

/* Navigation */

.main-nav {
  display: flex;
  gap: 18px;
  align-items: center;
  border-top: 1px solid rgba(148, 163, 184, 0.28);
  padding-top: 8px;
}

.nav-link {
  font-size: 0.93rem;
  text-decoration: none;
  color: #cbd5f5;
  padding: 6px 0;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(to right, #6366f1, #0ea5e9);
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-link:hover::after {
  opacity: 0.6;
  transform: scaleX(1);
}

.nav-link.active {
  color: #ffffff;
  font-weight: 600;
}

.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}

/* =========
   HERO AVEC IMAGE
   ========= */

.hero {
  position: relative;
  margin-top: 16px;
}

.hero-with-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-soft);
  background: #020617;
}

/* couche image de fond */
.hero-image-layer {
  position: absolute;
  inset: 0;
  background-image: url("https://images.unsplash.com/photo-1549880338-65ddcdfd017b?auto=format&fit=crop&w=1600&q=80");
  background-size: 120%;
  background-position: center;
  filter: saturate(1.2) contrast(1.1);
  animation: hero-zoom 22s ease-out forwards;
}

/* léger gradient sombre au-dessus de l’image */
.hero-with-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      circle at top,
      rgba(15, 23, 42, 0.05),
      rgba(15, 23, 42, 0.85)
    ),
    linear-gradient(
      to bottom,
      rgba(15, 23, 42, 0.9),
      rgba(15, 23, 42, 0.95),
      rgba(15, 23, 42, 0.9)
    );
}

/* contenu du hero */

.hero-inner {
  position: relative;
  padding: 32px 18px 26px;
  display: flex;
  justify-content: center;
}

.hero-card {
  width: 100%;
  max-width: 780px;
  padding: 22px 18px 20px;
  border-radius: 24px;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.94),
    rgba(15, 23, 42, 0.78)
  );
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);

  /* animation d’apparition */
  opacity: 0;
  transform: translateY(12px);
  animation: hero-fade-in 0.9s ease-out forwards;
  animation-delay: 0.1s;
}

.hero-kicker {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin: 0 0 10px;
}

.hero-title {
  font-size: 1.8rem;
  line-height: 1.25;
  margin: 0 0 8px;
  color: #f9fafb;
}

.hero-signature {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #cbd5f5;
  margin: 0 0 10px;
}

.hero-lead {
  font-size: 0.96rem;
  line-height: 1.7;
  color: #e5e7eb;
  margin: 0 0 8px;
}

.hero-secondary {
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* =========
   BOUTONS
   ========= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease,
    border-color 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #0ea5e9);
  color: #f9fafb;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.45);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 40px rgba(37, 99, 235, 0.6);
}

.btn-outline {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.6);
  color: #e5e7eb;
}

.btn-outline:hover {
  border-color: #e5e7eb;
  background: rgba(15, 23, 42, 0.8);
}

/* =========
   GRILLES / CARTES
   ========= */

.section-grid {
  padding-top: 30px;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 18px;
}

.card {
  padding: 16px 16px 14px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top left, #1f2937 0, #020617 40%);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.9);
}

.card-title {
  font-size: 1.05rem;
  margin: 0 0 6px;
  color: #f9fafb;
}

.card-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* =========
   LISTES
   ========= */

.bullet-list {
  list-style: none;
  padding-left: 0;
  margin: 12px 0 0;
}

.bullet-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  font-size: 0.96rem;
  color: var(--text-muted);
}

.bullet-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: #6366f1;
}

/* =========
   SECTIONS SPÉCIALES
   ========= */

.section-highlight {
  background: radial-gradient(circle at top, #111827 0, #020617 55%);
  border-radius: var(--radius-xl);
  margin: 0 0 26px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
}

.section-highlight .section-inner {
  padding: 18px 18px 16px;
}

.section-cta-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.section-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* =========
   FOOTER
   ========= */

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.28);
  padding: 14px 16px 18px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-soft);
  background: rgba(15, 23, 42, 0.96);
}

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

@keyframes hero-zoom {
  0% {
    background-size: 125%;
  }
  100% {
    background-size: 110%;
  }
}

@keyframes hero-fade-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========
   RESPONSIVE
   ========= */

@media (min-width: 768px) {
  .site-header-inner {
    padding: 16px 16px 12px;
  }

  .header-top-row {
    align-items: center;
  }

  .hero-inner {
    padding: 42px 32px 34px;
  }

  .hero-card {
    padding: 28px 26px 24px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-highlight .section-inner {
    padding: 22px 22px 18px;
  }

  .section-cta-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.contact-hero-premium {
  background: linear-gradient(160deg, #050814, #0c1a2d);
  padding: 80px 20px;
  text-align: center;
  color: #fff;
}

.contact-hero-content {
  max-width: 750px;
  margin: auto;
}

.contact-hero-premium h2 {
  font-size: 32px;
  margin-bottom: 15px;
  letter-spacing: 1px;
}

.contact-hero-premium p {
  color: #cfd8e3;
  line-height: 1.7;
}


.contact-premium-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
  padding: 80px 10%;
  background: #f6f8fb;
}

.contact-card,
.contact-form-premium {
  background: #ffffff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.contact-card h3,
.contact-form-premium h3 {
  margin-bottom: 25px;
  font-size: 20px;
}

.contact-list {
  list-style: none;
  padding: 0;
  line-height: 1.8;
}

.contact-list .spacer {
  margin: 15px 0;
}

.discretion-text {
  margin-top: 20px;
  font-size: 14px;
  color: #666;
}


.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #ddd;
  background: #f9fafc;
}


.premium-btn {
  background: linear-gradient(135deg, #0c1a2d, #1f3d63);
  color: #fff;
  padding: 14px 28px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-weight: 600;
}


.map-premium iframe {
  width: 100%;
  height: 400px;
  border: none;
}
/* --- A PROPOS : DESIGN PREMIUM --- */

.header-page {
  text-align: center;
  padding: 80px 20px 50px;
  background: linear-gradient(to right, #0a0f2c, #111936);
  color: #fff;
}

.header-page h1 {
  font-size: 42px;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.header-page p {
  opacity: 0.8;
}

.about-premium {
  padding: 60px 10%;
  background: #f7f9fc;
  color: #1a1a1a;
}

.about-intro {
  text-align: center;
  margin-bottom: 50px;
}

.about-intro h2 {
  font-size: 30px;
  margin-bottom: 15px;
}

.about-pillars {
  display: flex;
  gap: 30px;
  margin-bottom: 60px;
}

.pillar {
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  flex: 1;
}

.pillar h3 {
  margin-bottom: 10px;
  color: #0a0f2c;
}

.about-stats {
  display: flex;
  justify-content: space-between;
  background: #0a0f2c;
  color: white;
  padding: 40px;
  border-radius: 12px;
  margin-bottom: 60px;
}

.about-stats div {
  text-align: center;
}

.about-stats span {
  display: block;
  font-size: 28px;
  font-weight: bold;
}

.about-timeline h2 {
  margin-bottom: 20px;
}

.about-timeline ul {
  list-style: none;
  padding-left: 0;
}

.about-timeline li {
  margin-bottom: 15px;
  padding-left: 20px;
  border-left: 3px solid #0a0f2c;
}
.section {
  padding: 80px 0;
}

.section.alt {
  background: linear-gradient(180deg, #0f172a, #020617);
  color: #fff;
}

.container.narrow {
  max-width: 900px;
  margin: 0 auto;
}

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 10px;
}

.section-title {
  font-size: 32px;
  margin-bottom: 25px;
  color: #0f172a;
}

.section.alt .section-title {
  color: #f8fafc;
}

.section p {
  font-size: 18px;
  line-height: 1.8;
  color: #475569;
}

.section.alt p {
  color: #e2e8f0;
}