:root {
  --bg-main: #F5F5F7;
  --bg-soft: #FFFFFF;
  --bg-contrast: #0C2340;
  --bg-contrast-soft: #121c33;
  --text-main: #111827;
  --text-muted: #6B7280;
  --accent: #C9A14A;
  --border-subtle: #E5E7EB;
  --radius-card: 16px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.12);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--text-main);
  background: var(--bg-main);
}

/* Layout */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-light {
  background: var(--bg-main);
}

.section-soft {
  background: #FFFFFF;
}

.section-contrast {
  background: var(--bg-contrast);
  color: #F9FAFB;
}

.section-contrast p {
  color: #E5E7EB;
}

.section-header {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: left;
}

.section-header h2 {
  font-size: 30px;
  margin: 0 0 12px;
}

.section-header p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(245, 245, 247, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand-logo {
  height: 40px;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.main-nav a {
  font-size: 14px;
  text-decoration: none;
  color: #111827;
  opacity: 0.85;
}

.main-nav a:hover {
  opacity: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  border: none;
  background: transparent;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: #111827;
}

.nav-lang {
  font-size: 12px;
  opacity: 0.8;
}

/* Buttons */

.btn {
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #0C2340, #1D3960);
  color: #F9FAFB;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.32);
}

.btn-outline {
  border-radius: 999px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  padding: 8px 16px;
  font-size: 13px;
}

.btn-outline:hover {
  background: rgba(17, 24, 39, 0.04);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: #111827;
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.05);
}

.btn-full {
  width: 100%;
}

/* Hero */

.hero {
  position: relative;
  padding: 80px 0 70px;
  background:
    radial-gradient(circle at top left, rgba(201,161,74,0.18), transparent 55%),
    radial-gradient(circle at bottom right, rgba(12,35,64,0.16), transparent 55%),
    #F5F5F7;
}

.hero-with-image {
  background:
    linear-gradient(120deg, rgba(12,35,64,0.06), rgba(201,161,74,0.02)),
    #F5F5F7;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
  gap: 32px;
  align-items: center;
}

.hero-text h1 {
  font-size: 34px;
  line-height: 1.15;
  margin: 8px 0 16px;
}

.hero-lead {
  font-size: 15px;
  color: #4B5563;
  line-height: 1.7;
  max-width: 520px;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #6B7280;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 22px 0 18px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: #6B7280;
}

.hero-meta span {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(255,255,255,0.9);
}

.hero-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-card {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 20px 20px 18px;
}

.hero-card.muted {
  background: #F9FAFB;
  box-shadow: none;
  border: 1px solid rgba(209, 213, 219, 0.8);
}

.hero-card h2,
.hero-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.hero-visual-row {
  display: grid;
  grid-template-columns: 120px minmax(0,1fr);
  gap: 14px;
  align-items: center;
}

.hero-visual-img {
  width: 100%;
  border-radius: 12px;
}

/* Cards / grids */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 22px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 18px;
}

.card {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  padding: 20px 20px 18px;
  border: 1px solid rgba(209, 213, 219, 0.9);
}

.section-contrast .card,
.section-contrast .card.ghost {
  background: rgba(15,23,42,0.85);
  border-color: rgba(55,65,81,0.8);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: #4B5563;
}

.section-contrast .card p {
  color: #E5E7EB;
}

.card.ghost {
  background: #F9FAFB;
}

/* Timeline */

.timeline {
  border-left: 1px solid rgba(209, 213, 219, 0.9);
  margin-left: 12px;
}

.timeline-item {
  position: relative;
  padding-left: 24px;
  padding-bottom: 20px;
}

.timeline-dot {
  position: absolute;
  left: -6px;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: #FFFFFF;
  border: 2px solid var(--accent);
}

.timeline-content h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.timeline-content p {
  margin: 0;
  font-size: 14px;
  color: #4B5563;
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.5fr) minmax(0, 1.6fr);
  gap: 26px;
  align-items: start;
}

.about-panel {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  border: 1px solid rgba(209, 213, 219, 0.9);
  padding: 18px 18px 12px;
}

.about-stat {
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
}

.about-stat .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #9CA3AF;
}

.about-stat .value {
  font-size: 14px;
  color: #111827;
}

/* Expertise visuals */

.expertise-visual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 2fr);
  gap: 24px;
  align-items: center;
}

.expertise-img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(209, 213, 219, 0.9);
}

/* Solutions visuals */

.solutions-visual-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.8fr);
  gap: 24px;
  align-items: center;
}

.solutions-img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(209, 213, 219, 0.9);
}

/* Method visuals */

.method-visual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 2.2fr);
  gap: 24px;
  align-items: center;
}

.method-img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(209, 213, 219, 0.9);
}

/* Secteurs visuals */

.secteurs-visual-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.9fr);
  gap: 24px;
  align-items: center;
}

.secteurs-img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(209, 213, 219, 0.9);
}

/* Secteurs cards */

.pill-card {
  background: #FFFFFF;
  border-radius: 18px;
  padding: 16px 16px 14px;
  border: 1px solid rgba(209, 213, 219, 0.9);
}

.pill-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.pill-card p {
  margin: 0;
  font-size: 13px;
  color: #4B5563;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.8fr);
  gap: 26px;
  align-items: start;
}

.contact-details p {
  font-size: 14px;
}

.contact-form {
  background: var(--bg-contrast-soft);
  border-radius: var(--radius-card);
  padding: 18px 18px 16px;
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.field {
  margin-bottom: 12px;
}

.field label {
  display: block;
  font-size: 12px;
  margin-bottom: 4px;
  color: #CBD5F5;
}

.field input,
.field textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(100, 116, 139, 0.8);
  background: rgba(15, 23, 42, 0.7);
  color: #E5E7EB;
  padding: 8px 10px;
  font-family: var(--font-sans);
  font-size: 13px;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(201,161,74,0.5);
}

.honeypot-field {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Footer */

.site-footer {
  background: #0B1220;
  color: #9CA3AF;
  padding: 18px 0 20px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
}

.footer-meta {
  color: #6B7280;
}

/* Responsive */

@media (max-width: 920px) {
  .hero-grid {
    grid-template-columns: minmax(0,1fr);
  }
  .hero-panel {
    order: 2;
  }
  .hero-text {
    order: 1;
  }
  .grid-3 {
    grid-template-columns: minmax(0,1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .about-grid,
  .contact-grid,
  .expertise-visual-grid,
  .solutions-visual-grid,
  .method-visual-grid,
  .secteurs-visual-grid {
    grid-template-columns: minmax(0,1fr);
  }
}

@media (max-width: 720px) {
  .main-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .section {
    padding: 60px 0;
  }
  .hero {
    padding-top: 70px;
  }
  .hero-text h1 {
    font-size: 26px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .grid-4 {
    grid-template-columns: minmax(0,1fr);
  }
}