/* ============================================================
   SafetyOS — Design System
   Colors: #0C2D48 (primary), #059669 (secondary), #F59E0B (accent)
   Font: Plus Jakarta Sans
   ============================================================ */

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

:root {
  --primary: #0C2D48;
  --primary-light: #1a4a6e;
  --primary-dark: #071e30;
  --secondary: #059669;
  --secondary-light: #10b981;
  --secondary-dark: #047857;
  --accent: #F59E0B;
  --accent-light: #FCD34D;
  --accent-dark: #D97706;
  --gray-50:  #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --white: #FFFFFF;
  --bg: #FAFAFA;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.10), 0 4px 10px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 48px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);
  --shadow-xl: 0 32px 64px rgba(0,0,0,0.14);

  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;

  --container: 1200px;
  --container-sm: 860px;

  --nav-height: 72px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--gray-800);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.05rem; }

p { color: var(--gray-600); line-height: 1.7; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

/* --- Layout --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-sm {
  max-width: var(--container-sm);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-lg { padding: 120px 0; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  font-family: inherit;
  line-height: 1.4;
}
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.btn-primary {
  background: var(--accent);
  color: var(--gray-900);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,158,11,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}
.btn-secondary:hover {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(5,150,105,0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--gray-100); }

.btn-lg { padding: 16px 32px; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-slow);
}
.nav.transparent {
  background: transparent;
}
.nav.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--gray-200), var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--white);
  transition: color var(--transition);
  letter-spacing: -0.03em;
}
.nav.scrolled .nav-logo { color: var(--primary); }
.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: all var(--transition);
}
.nav.scrolled .nav-links a { color: var(--gray-700); }
.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}
.nav.scrolled .nav-links a:hover {
  color: var(--primary);
  background: var(--gray-100);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-connexion {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.nav.scrolled .nav-connexion { color: var(--gray-700); }
.nav-connexion:hover { color: var(--white); background: rgba(255,255,255,0.1); }
.nav.scrolled .nav-connexion:hover { color: var(--primary); background: var(--gray-100); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav.scrolled .nav-hamburger span { background: var(--gray-700); }

/* Mobile menu */
.nav-mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  padding: 16px 24px 24px;
  display: none;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}
.nav-mobile a:hover { color: var(--primary); background: var(--gray-50); }
.nav-mobile .btn { width: 100%; justify-content: center; margin-top: 12px; }

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  padding-top: calc(var(--nav-height) + 64px);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content { color: var(--white); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(5,150,105,0.2);
  border: 1px solid rgba(5,150,105,0.4);
  color: #6ee7b7;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.hero-badge-dot {
  width: 7px;
  height: 7px;
  background: var(--secondary-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
}
.hero h1 span { color: var(--accent); }
.hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.125rem;
  margin-bottom: 40px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-social-proof {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hero-social-proof-label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-clients {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.hero-client {
  padding: 8px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.05em;
}

/* Hero Visual */
.hero-visual {
  position: relative;
}
.hero-mockup {
  background: linear-gradient(145deg, #1a3a5c 0%, #0f2840 100%);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,0.08);
  position: relative;
}
.hero-mockup-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.hero-mockup-dots {
  display: flex;
  gap: 6px;
}
.hero-mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.hero-mockup-dots span:nth-child(1) { background: #FF5F57; }
.hero-mockup-dots span:nth-child(2) { background: #FEBC2E; }
.hero-mockup-dots span:nth-child(3) { background: #28C840; }
.hero-mockup-title {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  flex: 1;
  text-align: center;
}
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 12px;
}
.dashboard-kpi {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 14px;
}
.kpi-label { font-size: 0.7rem; color: rgba(255,255,255,0.45); margin-bottom: 6px; font-weight: 500; }
.kpi-value { font-size: 1.5rem; font-weight: 800; color: var(--white); letter-spacing: -0.02em; }
.kpi-value.green { color: #34d399; }
.kpi-value.orange { color: #fbbf24; }
.kpi-value.blue { color: #60a5fa; }
.kpi-trend {
  font-size: 0.7rem;
  margin-top: 4px;
  font-weight: 600;
}
.kpi-trend.up { color: #34d399; }
.kpi-trend.down { color: #f87171; }

.dashboard-chart {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}
.chart-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.chart-title { font-size: 0.75rem; color: rgba(255,255,255,0.6); font-weight: 600; }
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 56px;
}
.chart-bar {
  flex: 1;
  background: rgba(5,150,105,0.35);
  border-radius: 3px 3px 0 0;
  transition: height 1s ease;
}
.chart-bar.accent { background: rgba(245,158,11,0.5); }
.chart-bar.primary { background: rgba(96,165,250,0.4); }

.dashboard-incidents {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 14px;
}
.incident-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.incident-item:last-child { border-bottom: none; }
.incident-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.incident-text { font-size: 0.7rem; color: rgba(255,255,255,0.55); flex: 1; }
.incident-badge {
  font-size: 0.6rem;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  font-weight: 700;
}
.badge-resolved { background: rgba(52,211,153,0.15); color: #34d399; }
.badge-progress { background: rgba(251,191,36,0.15); color: #fbbf24; }
.badge-open { background: rgba(248,113,113,0.15); color: #f87171; }

/* Floating badges */
.hero-float {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-800);
  animation: float 3s ease-in-out infinite;
}
.hero-float.float-1 { top: -16px; right: -16px; animation-delay: 0s; }
.hero-float.float-2 { bottom: 24px; left: -24px; animation-delay: 1s; }
.hero-float-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* --- Stats Section --- */
.stats {
  background: var(--white);
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-100);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
}
.stat-item {
  padding: 32px 24px;
  border-right: 1px solid var(--gray-100);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-number span { color: var(--accent); }
.stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* --- Section Header --- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(5,150,105,0.08);
  color: var(--secondary);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-header h2 { margin-bottom: 16px; }
.section-header p {
  font-size: 1.0625rem;
  max-width: 600px;
  color: var(--gray-500);
}
.section-header.center p { margin: 0 auto; }

/* --- Problem Section --- */
.problem { background: var(--gray-900); color: var(--white); }
.problem .section-tag { background: rgba(245,158,11,0.12); color: var(--accent); }
.problem h2 { color: var(--white); }
.problem-intro {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 48px;
  max-width: 640px;
}
.problem-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  transition: all var(--transition);
}
.problem-item:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(245,158,11,0.3);
  transform: translateY(-2px);
}
.problem-icon {
  width: 40px;
  height: 40px;
  background: rgba(245,158,11,0.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}
.problem-item h5 { color: var(--white); margin-bottom: 4px; font-size: 0.95rem; }
.problem-item p { color: rgba(255,255,255,0.55); font-size: 0.875rem; margin: 0; }

/* --- Solution / Pillars --- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pillar-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  border: 1px solid var(--gray-100);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transition: opacity var(--transition);
  opacity: 0;
}
.pillar-card.blue::before { background: var(--primary); }
.pillar-card.green::before { background: var(--secondary); }
.pillar-card.orange::before { background: var(--accent); }
.pillar-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--gray-200);
}
.pillar-card:hover::before { opacity: 1; }
.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.pillar-icon.blue { background: rgba(12,45,72,0.08); color: var(--primary); }
.pillar-icon.green { background: rgba(5,150,105,0.08); color: var(--secondary); }
.pillar-icon.orange { background: rgba(245,158,11,0.1); color: var(--accent-dark); }
.pillar-card h3 { margin-bottom: 12px; font-size: 1.375rem; }
.pillar-card p { margin-bottom: 20px; font-size: 0.9375rem; }
.pillar-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pillar-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--gray-600);
}
.pillar-feature svg { flex-shrink: 0; color: var(--secondary); }

/* --- Modules Grid --- */
.modules-section { background: var(--gray-50); }
.modules-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  justify-content: center;
}
.filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  transition: all var(--transition);
  font-family: inherit;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.module-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--gray-100);
  transition: all var(--transition-slow);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.module-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gray-200);
}
.module-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.module-icon.blue { background: rgba(12,45,72,0.06); color: var(--primary); }
.module-icon.green { background: rgba(5,150,105,0.07); color: var(--secondary); }
.module-icon.orange { background: rgba(245,158,11,0.08); color: var(--accent-dark); }
.module-icon.purple { background: rgba(124,58,237,0.07); color: #7c3aed; }
.module-icon.teal { background: rgba(13,148,136,0.07); color: #0d9488; }
.module-card h5 { font-size: 0.9375rem; margin: 0; }
.module-card p { font-size: 0.8125rem; color: var(--gray-500); margin: 0; line-height: 1.5; flex: 1; }
.module-pack {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  align-self: flex-start;
}
.pack-starter { background: rgba(5,150,105,0.08); color: var(--secondary-dark); }
.pack-pro { background: rgba(12,45,72,0.07); color: var(--primary); }
.pack-enterprise { background: rgba(124,58,237,0.08); color: #6d28d9; }

/* --- Why SafetyOS --- */
.differentiators-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.diff-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 1px solid var(--gray-100);
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: all var(--transition-slow);
}
.diff-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--gray-200);
}
.diff-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.diff-icon.primary { background: rgba(12,45,72,0.07); color: var(--primary); }
.diff-icon.secondary { background: rgba(5,150,105,0.08); color: var(--secondary); }
.diff-icon.accent { background: rgba(245,158,11,0.1); color: var(--accent-dark); }
.diff-card h4 { margin-bottom: 8px; font-size: 1.125rem; }
.diff-card p { font-size: 0.9rem; margin: 0; }

/* --- Testimonial --- */
.testimonial-section { background: var(--primary); }
.testimonial-card {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.testimonial-quote {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--white);
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}
.testimonial-quote::before, .testimonial-quote::after {
  content: '"';
  color: var(--accent);
  font-size: 1.5em;
  line-height: 0.5;
  vertical-align: -0.3em;
}
.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.testimonial-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
}
.testimonial-info { text-align: left; }
.testimonial-name { color: var(--white); font-weight: 700; font-size: 1rem; }
.testimonial-role { color: rgba(255,255,255,0.55); font-size: 0.875rem; }
.testimonial-stars {
  display: flex;
  gap: 4px;
  color: var(--accent);
  justify-content: center;
  margin-bottom: 24px;
}

/* --- Pricing Preview --- */
.pricing-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.pricing-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  border: 2px solid var(--gray-100);
  position: relative;
  transition: all var(--transition-slow);
}
.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}
.pricing-card:hover:not(.popular) {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
}
.pricing-badge-pop {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}
.pricing-name { font-size: 0.875rem; font-weight: 700; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.pricing-price {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 4px;
}
.pricing-price span { font-size: 1rem; font-weight: 500; color: var(--gray-400); }
.pricing-desc { font-size: 0.875rem; color: var(--gray-400); margin-bottom: 24px; }
.pricing-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pricing-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--gray-700);
}
.pricing-feature svg { flex-shrink: 0; color: var(--secondary); }

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-dark) 100%);
  text-align: center;
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.65); font-size: 1.125rem; margin-bottom: 40px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-checks {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}
.cta-check {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 500;
}
.cta-check svg { color: var(--secondary-light); }

/* --- Footer --- */
footer {
  background: var(--gray-900);
  color: var(--white);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 0.9rem; margin: 16px 0 24px; max-width: 280px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.55);
  transition: all var(--transition);
}
.footer-social a:hover { background: rgba(255,255,255,0.12); color: var(--white); }
.footer-col h5 { font-size: 0.875rem; color: rgba(255,255,255,0.9); margin-bottom: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,0.5); font-size: 0.875rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy { font-size: 0.8125rem; color: rgba(255,255,255,0.35); }
.footer-contact {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-contact a {
  color: rgba(255,255,255,0.45);
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--white); }

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* --- Page Hero Variants --- */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); margin-bottom: 20px; }
.page-hero p { color: rgba(255,255,255,0.7); font-size: 1.125rem; max-width: 600px; margin: 0 auto 36px; }
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.45);
  margin-bottom: 24px;
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb svg { width: 14px; height: 14px; }

/* --- Cards --- */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-100);
  overflow: hidden;
  transition: all var(--transition-slow);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--gray-200);
}

/* --- Form --- */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 7px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--gray-800);
  font-family: inherit;
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(12,45,72,0.08);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--gray-400); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 40px; }

/* --- Alert / Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}
.badge-primary { background: rgba(12,45,72,0.08); color: var(--primary); }
.badge-success { background: rgba(5,150,105,0.08); color: var(--secondary-dark); }
.badge-warning { background: rgba(245,158,11,0.1); color: var(--accent-dark); }

/* --- Check list --- */
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--gray-700);
}
.check-item svg { flex-shrink: 0; margin-top: 2px; color: var(--secondary); }

/* --- Sector card --- */
.sector-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: all var(--transition-slow);
  text-decoration: none;
  display: block;
}
.sector-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--gray-200);
}
.sector-card-visual {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}
.sector-card-body { padding: 24px; }
.sector-card-body h4 { margin-bottom: 8px; font-size: 1.125rem; }
.sector-card-body p { font-size: 0.875rem; margin: 0; }
.sector-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 12px;
}

/* --- Blog card --- */
.blog-card { background: var(--white); border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--gray-100); transition: all var(--transition-slow); }
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.blog-card-image { height: 200px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.blog-card-body { padding: 28px; }
.blog-category { display: inline-flex; margin-bottom: 12px; }
.blog-card-body h4 { font-size: 1.0625rem; margin-bottom: 10px; line-height: 1.4; }
.blog-card-body p { font-size: 0.875rem; margin-bottom: 16px; }
.blog-meta { display: flex; align-items: center; gap: 16px; font-size: 0.8125rem; color: var(--gray-400); }
.blog-read-more { display: inline-flex; align-items: center; gap: 6px; font-size: 0.875rem; font-weight: 600; color: var(--primary); }

/* --- Utility --- */
.text-center { text-align: center; }
.text-white { color: var(--white); }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-40 { margin-bottom: 40px; }
.mb-48 { margin-bottom: 48px; }
.mb-56 { margin-bottom: 56px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .modules-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .nav-links, .nav-connexion { display: none; }
  .nav-hamburger { display: flex; }
  .nav-actions .btn { display: none; }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .hero { padding-bottom: 56px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-right: 1px solid var(--gray-100); }

  .pillars-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .differentiators-grid { grid-template-columns: 1fr; }
  .pricing-preview-grid { grid-template-columns: 1fr; }
  .pricing-card.popular { transform: none; }
  .problem-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cta-checks { flex-direction: column; align-items: center; gap: 12px; }
  .section { padding: 64px 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .modules-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-card { flex-direction: column; }
}

/* --- Logo SVG mark --- */
.logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* --- Sticky header behavior --- */
.has-nav-offset { padding-top: var(--nav-height); }