/* ============================================================
   MAXIMILIEN MOREAU — Portfolio CSS
   Stack: Bootstrap 5 + custom design system
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Sora:wght@600;700;800&display=swap');

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  --primary:        #6d28d9;
  --primary-light:  #8b5cf6;
  --primary-glow:   rgba(109, 40, 217, 0.18);
  --primary-ultra:  #ede9fe;
  --accent:         #0ea5e9;
  --accent-glow:    rgba(14, 165, 233, 0.18);

  --dark:           #0f172a;
  --dark-soft:      #1e293b;
  --dark-medium:    #334155;
  --body:           #475569;
  --body-light:     #94a3b8;

  --bg:             #f8fafc;
  --bg-alt:         #f1f5f9;
  --white:          #ffffff;
  --border:         #e2e8f0;
  --border-light:   #f1f5f9;

  --radius-sm:      8px;
  --radius:         14px;
  --radius-lg:      20px;
  --radius-xl:      28px;

  --shadow-sm:      0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow:         0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg:      0 12px 40px rgba(15, 23, 42, 0.12);
  --shadow-primary: 0 8px 28px rgba(109, 40, 217, 0.25);

  --transition:     all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
}

/* ============================================================
   DARK MODE
   ============================================================ */
[data-theme="dark"] {
  --white:         #1e293b;
  --bg:            #0f172a;
  --bg-alt:        #1e293b;
  --border:        #334155;
  --border-light:  #243148;
  --body:          #94a3b8;
  --body-light:    #64748b;
  --primary-ultra: rgba(109, 40, 217, 0.15);
  --shadow-sm:     0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow:        0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg:     0 12px 40px rgba(0, 0, 0, 0.6);
}

/* Titres et textes foncés → clairs en mode sombre */
[data-theme="dark"] .section-title,
[data-theme="dark"] .expertise-title,
[data-theme="dark"] .project-title,
[data-theme="dark"] .timeline-title,
[data-theme="dark"] .certif-section-title,
[data-theme="dark"] .certif-name,
[data-theme="dark"] .ai-feature-title,
[data-theme="dark"] .modal-project-title,
[data-theme="dark"] .highlight-item strong {
  color: #f1f5f9;
}

/* Navbar : marque et liens */
[data-theme="dark"] .navbar-brand,
[data-theme="dark"] .brand-name,
[data-theme="dark"] .navbar-toggler {
  color: #f1f5f9 !important;
}

[data-theme="dark"] .navbar-nav .nav-link {
  color: #94a3b8 !important;
}

[data-theme="dark"] .project-tag {
  color: #94a3b8;
}

[data-theme="dark"] body {
  background: #0f172a;
  color: var(--body);
}

[data-theme="dark"] #mainNav {
  background: rgba(15, 23, 42, 0.92);
}

[data-theme="dark"] .navbar-collapse {
  background: #1e293b;
  border-color: var(--border);
}

[data-theme="dark"] .expertise-card,
[data-theme="dark"] .project-card,
[data-theme="dark"] .timeline-content,
[data-theme="dark"] .certif-item {
  background: #1e293b;
}

[data-theme="dark"] .timeline-dot {
  background: #1e293b;
}

[data-theme="dark"] .highlight-item {
  background: #1e293b;
}

[data-theme="dark"] .highlight-item:hover {
  background: #243148;
}

[data-theme="dark"] .ai-feature-card {
  background: #1e293b;
}

[data-theme="dark"] .ai-feature-card:hover {
  background: #243148;
}

[data-theme="dark"] .modal-content {
  background: #1e293b;
  border: none;
}

[data-theme="dark"] .modal-header-custom {
  border-color: var(--border);
}

[data-theme="dark"] .modal-close-btn {
  background: #0f172a;
  color: var(--body);
}

[data-theme="dark"] .modal-close-btn:hover {
  background: var(--border);
  color: #f1f5f9;
}

/* Sections light → dark (!important pour surcharger Bootstrap) */
[data-theme="dark"] .bg-white {
  background-color: #0f172a !important;
}

/* Suppression du dégradé sur les sections déjà sombres en dark mode */
[data-theme="dark"] .bg-dark-custom {
  background: #131d30;
}

/* About image border */
[data-theme="dark"] .about-img {
  border-color: #334155;
}

[data-theme="dark"] .about-img-badge {
  border-color: #334155;
}

body {
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Theme toggle button */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--body);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 0;
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-ultra);
  transform: rotate(20deg) scale(1.1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: var(--primary-ultra);
  padding: 5px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-label-light {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.12);
}

.section-title {
  font-family: 'Sora', 'Inter', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--dark);
  letter-spacing: -0.03em;
  margin-bottom: 0;
}

.section-subtitle {
  font-size: 17px;
  color: var(--body);
  margin-top: 16px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.body-text {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
}

/* ============================================================
   SECTION PADDING & BACKGROUNDS
   ============================================================ */
.section-pad {
  padding: 96px 0;
}

.bg-white       { background-color: var(--white); }
.bg-light-custom { background-color: var(--bg); }

.bg-dark-custom {
  background: linear-gradient(135deg, var(--dark) 0%, #1a0d3d 60%, #0f2a42 100%);
  position: relative;
}

.bg-dark-custom::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.opacity-70  { opacity: 0.7; }
.opacity-80  { opacity: 0.8; }

/* ============================================================
   NAVBAR
   ============================================================ */
#mainNav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  padding: 14px 0;
  transition: var(--transition);
}

#mainNav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  padding: 10px 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--dark) !important;
}

.brand-mm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 14px;
  border-radius: var(--radius-sm);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
}

.navbar-nav .nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--dark-medium) !important;
  padding: 8px 14px !important;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.2s ease;
  transform-origin: center;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  transform: scaleX(1);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary) !important;
  background: var(--primary-ultra);
  transform: translateY(-1px);
}

.navbar-toggler {
  border: none;
  padding: 6px 8px;
  color: var(--dark);
  font-size: 18px;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 3px 8px;
}

.lang-btn {
  background: none;
  border: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--body-light);
  padding: 2px 6px;
  border-radius: 50px;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
  letter-spacing: 0.04em;
}

.lang-btn:not(.active):hover {
  color: var(--primary);
  transform: scale(1.1);
}

.lang-btn.active {
  background: var(--primary);
  color: white;
}

.lang-sep {
  color: var(--border);
  font-size: 11px;
  user-select: none;
}

/* Navbar CTA button */
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white !important;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 50px;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: var(--shadow-primary);
}

.btn-nav-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 14px 36px rgba(109, 40, 217, 0.45);
}

/* Mobile nav */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: white;
    border-radius: var(--radius);
    margin-top: 12px;
    padding: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }

  .navbar-nav .nav-link {
    padding: 10px 14px !important;
  }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(ellipse 80% 60% at 20% 60%, rgba(109, 40, 217, 0.28), transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 20%, rgba(14, 165, 233, 0.18), transparent 60%),
    linear-gradient(140deg, #0f172a 0%, #1a0d3d 50%, #0c1f3d 100%);
  overflow: hidden;
  padding-top: 80px;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

/* ---- Editorial hero layout ---- */
.hero-editorial {
  padding: 130px 0 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-ed-name {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 48px;
}

.hero-ed-line1 {
  font-family: 'Sora', 'Inter', sans-serif;
  font-size: clamp(3.2rem, 10.5vw, 8.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  background: linear-gradient(135deg, #ffffff 30%, rgba(255,255,255,0.75));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-ed-line2 {
  font-family: 'Sora', 'Inter', sans-serif;
  font-size: clamp(3.2rem, 10.5vw, 8.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  background: linear-gradient(135deg, #ffffff 30%, rgba(255,255,255,0.75));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-ed-divider {
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
  border-radius: 2px;
  margin-bottom: 40px;
}

.hero-ed-bottom {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 40px;
}

.hero-ed-roles {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 50px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
  margin-top: 20px;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.6);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.85); }
}

.hero-title {
  font-family: 'Sora', 'Inter', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: white;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 30%, rgba(255,255,255,0.7));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(15px, 2.5vw, 19px);
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: clamp(15px, 2vw, 17px);
  color: rgba(255,255,255,0.75);
  line-height: 1.75;
  max-width: 600px;
  margin-bottom: 0;
  text-align: center;
}

/* Hero buttons */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 0;
  margin-bottom: 40px;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 32px rgba(109, 40, 217, 0.35);
  white-space: nowrap;
  text-decoration: none;
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(109, 40, 217, 0.45);
  color: white;
}

.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
  backdrop-filter: blur(4px);
}

.btn-hero-outline:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.35);
  transform: translateY(-2px);
  color: white;
}

/* Hero tags */
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.hero-tag {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 5px 13px;
  border-radius: 50px;
  backdrop-filter: blur(4px);
  transition: var(--transition-fast);
}

.hero-tag:hover {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.9);
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  z-index: 2;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
}

.scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  animation: scrollBob 1.8s ease-in-out infinite;
}

@keyframes scrollBob {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(6px); opacity: 0.4; }
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-img-wrapper {
  position: relative;
  display: inline-block;
}

.about-img {
  width: 280px;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 4px solid white;
  box-shadow: var(--shadow-lg);
}

.about-img-badge {
  position: absolute;
  bottom: -14px;
  right: -14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 50px;
  box-shadow: var(--shadow-primary);
  white-space: nowrap;
  border: 3px solid white;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: var(--transition);
}

.highlight-item:hover {
  border-color: var(--primary-ultra);
  background: #faf9ff;
  box-shadow: var(--shadow-sm);
}

.highlight-item i {
  color: var(--primary);
  font-size: 18px;
  margin-top: 2px;
  flex-shrink: 0;
}

.highlight-item strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
}

.highlight-item p {
  font-size: 13px;
  color: var(--body-light);
  margin: 0;
  line-height: 1.4;
}

/* ============================================================
   CE QUI ME DISTINGUE
   ============================================================ */
.distingue-section {
  border-top: 1px solid var(--border-color);
}

.distingue-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px 28px 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
}

.distingue-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(124,58,237,0.10);
  border-color: rgba(124,58,237,0.25);
}

[data-theme="dark"] .distingue-card {
  background: #1a1728;
  border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .distingue-card:hover {
  box-shadow: 0 12px 36px rgba(124,58,237,0.18);
  border-color: rgba(167,139,250,0.3);
}

.distingue-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(124,58,237,0.1);
  color: #7c3aed;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

[data-theme="dark"] .distingue-icon {
  background: rgba(167,139,250,0.15);
  color: #a78bfa;
}

.distingue-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin: 0;
}

[data-theme="dark"] .distingue-title {
  color: #f1f5f9;
}

.distingue-desc {
  font-size: 14px;
  color: var(--body-light);
  line-height: 1.6;
  margin: 0;
}

[data-theme="dark"] .distingue-desc {
  color: rgba(255,255,255,0.55);
}

/* ============================================================
   EXPERTISE CARDS
   ============================================================ */
.expertise-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.expertise-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.expertise-card-dark {
  background: linear-gradient(135deg, var(--dark) 0%, #1a0d3d 100%);
  border-color: transparent;
}

.expertise-card-dark:hover {
  box-shadow: 0 16px 48px rgba(109, 40, 217, 0.3);
}

.expertise-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: var(--icon-bg, #ede9fe);
  color: var(--icon-color, var(--primary));
  font-size: 22px;
  margin-bottom: 18px;
  flex-shrink: 0;
}

.expertise-title {
  font-family: 'Sora', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.expertise-desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 18px;
}

.expertise-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-ultra);
  padding: 4px 11px;
  border-radius: 50px;
  transition: var(--transition-fast);
}

.skill-tag:hover {
  background: var(--primary);
  color: white;
}

.skill-tag-light {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.12);
}

.skill-tag-light:hover {
  background: rgba(255,255,255,0.22);
  color: white;
}

/* ============================================================
   PROJECT CARDS
   ============================================================ */
.project-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  cursor: pointer;
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: var(--transition);
  box-shadow: inset 0 0 0 2px var(--primary);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.project-card:hover::after {
  opacity: 1;
}

.project-card-dark {
  background: linear-gradient(135deg, var(--primary) 0%, #4c1d95 60%, #1a0d3d 100%);
  border-color: transparent;
}

.project-card-dark::after {
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.3);
}

.project-card-dark:hover {
  box-shadow: 0 16px 48px rgba(109, 40, 217, 0.4);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.project-category {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  background: var(--primary-ultra);
  padding: 4px 12px;
  border-radius: 50px;
}

.project-category-light {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.15);
}

.project-arrow {
  color: var(--body-light);
  font-size: 14px;
  transition: var(--transition-fast);
}

.project-card:hover .project-arrow {
  color: var(--primary);
  transform: translate(2px, -2px);
}

.project-title {
  font-family: 'Sora', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.project-desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 0;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.project-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--dark-medium);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 4px 11px;
  border-radius: 50px;
}

.project-tag-light {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.15);
}

/* ============================================================
   APPROACH SECTION
   ============================================================ */
.approach-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  backdrop-filter: blur(4px);
  height: 100%;
}

.approach-card:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-3px);
}

.approach-number {
  font-family: 'Sora', sans-serif;
  font-size: 40px;
  font-weight: 800;
  color: rgba(255,255,255,0.08);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}

.approach-title {
  font-family: 'Sora', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
  line-height: 1.3;
}

.approach-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
  margin: 0;
}

/* ============================================================
   AI SECTION
   ============================================================ */
.ai-tools-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-tool-badge {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-ultra);
  border: 1px solid rgba(109, 40, 217, 0.15);
  padding: 6px 14px;
  border-radius: 50px;
}

.ai-feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
  height: 100%;
}

.ai-feature-card:hover {
  background: white;
  border-color: var(--primary-ultra);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.ai-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: var(--radius-sm);
  font-size: 16px;
  margin-bottom: 14px;
}

.ai-feature-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.3;
}

.ai-feature-desc {
  font-size: 13px;
  color: var(--body);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), rgba(109, 40, 217, 0.1));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 36px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -34px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px var(--primary-ultra);
  transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
  background: var(--primary);
  box-shadow: 0 0 0 6px var(--primary-ultra), 0 0 20px var(--primary-glow);
}

.timeline-content {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: var(--transition);
}

.timeline-item:hover .timeline-content {
  border-color: rgba(109, 40, 217, 0.2);
  box-shadow: var(--shadow);
}

.timeline-section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  padding-left: 2px;
}

.timeline-company {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--body-light);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

/* IAGora card avec image latérale */
.timeline-item--iagora {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
}

.timeline-item--iagora .timeline-dot {
  grid-column: 1 / -1;
  grid-row: 1;
}

.timeline-item--iagora .timeline-content {
  grid-column: 1;
}

.timeline-side-img {
  width: 110px;
  flex-shrink: 0;
  align-self: center;
  margin-top: 32px;
}

.timeline-side-img img {
  width: 110px;
  height: 110px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
}

.timeline-date {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 8px;
}

.timeline-title {
  font-family: 'Sora', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.timeline-desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.65;
  margin: 0;
}

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.certif-section-title {
  font-family: 'Sora', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.02em;
}

.certif-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.certif-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  transition: var(--transition);
}

.certif-item:hover {
  border-color: rgba(109, 40, 217, 0.2);
  box-shadow: var(--shadow-sm);
}

.certif-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  flex-shrink: 0;
  background: var(--bg);
  color: var(--body);
}

.certif-icon-google { background: #fef3c7; color: #ea4335; }
.certif-icon-hubspot { background: #fff3eb; color: #ff7a59; }
.certif-icon-meta { background: #e8f4fd; color: #1877f2; }

.certif-info {
  flex: 1;
}

.certif-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.3;
}

.certif-issuer {
  font-size: 12px;
  color: var(--body-light);
}

.certif-badge {
  font-size: 11px;
  font-weight: 600;
  color: #059669;
  background: #d1fae5;
  padding: 3px 10px;
  border-radius: 50px;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-link-arrow {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-link-arrow:hover {
  color: var(--primary-light);
  gap: 4px;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-form {
  position: relative;
  z-index: 1;
}

.form-label-custom {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.form-control-custom {
  width: 100%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  color: white;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-control-custom::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-control-custom:focus {
  background: rgba(255,255,255,0.10);
  border-color: rgba(109, 40, 217, 0.6);
  box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.15);
}

.form-control-custom option {
  background: var(--dark-soft);
  color: white;
}

textarea.form-control-custom {
  resize: vertical;
  min-height: 130px;
}

.contact-info {
  position: relative;
  z-index: 1;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.contact-info-item:first-child {
  padding-top: 0;
}

.contact-info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}

.contact-info-value a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-info-value a:hover {
  color: var(--primary-light);
}


.social-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
  text-decoration: none;
}

.social-link-icon:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-2px);
}

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

/* Form success/error message */
#formMsg {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
}

#formMsg.success {
  background: rgba(74, 222, 128, 0.12);
  border: 1px solid rgba(74, 222, 128, 0.3);
  color: #4ade80;
}

#formMsg.error {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: #f87171;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer-section {
  background: var(--dark);
  padding: 56px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-social {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 10px;
  margin-top: 2px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

@media (max-width: 767.98px) {
  .footer-social {
    flex-wrap: wrap;
  }
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-logo {
  margin-bottom: 4px;
}

.footer-name {
  font-size: 15px;
  font-weight: 700;
  color: white;
  margin: 0;
}

.footer-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  margin: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  justify-content: center;
}

.footer-nav a {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-nav a:hover {
  color: rgba(255,255,255,0.9);
}

.footer-copy {
  text-align: right;
}

.footer-copy p {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  margin: 0;
}

/* ============================================================
   MODALS
   ============================================================ */
.modal-custom {
  border: none;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.3);
}

.modal-header-custom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg);
  border-radius: 50%;
  color: var(--body);
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--border);
  color: var(--dark);
}

.modal-body-custom {
  padding: 24px 28px 28px;
}

.modal-project-title {
  font-family: 'Sora', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  line-height: 1.25;
}

.modal-section {
  margin-bottom: 20px;
}

.modal-section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 10px;
}

.modal-section p,
.modal-section ul {
  font-size: 14px;
  color: var(--body);
  line-height: 1.7;
  margin: 0;
}

.modal-section ul {
  padding-left: 20px;
}

.modal-section li {
  margin-bottom: 6px;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ============================================================
   ANIMATIONS & REVEAL ON SCROLL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.12s; }
.reveal-stagger.visible > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.19s; }
.reveal-stagger.visible > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.26s; }
.reveal-stagger.visible > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.33s; }
.reveal-stagger.visible > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.40s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .badge-dot, .scroll-dot {
    animation: none;
  }

  .btn-hero-primary:hover,
  .btn-hero-outline:hover,
  .expertise-card:hover,
  .project-card:hover {
    transform: none;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1199.98px) {
  .section-pad {
    padding: 80px 0;
  }
}

@media (max-width: 991.98px) {
  .section-pad {
    padding: 64px 0;
  }

  .hero-editorial {
    padding: 110px 0 60px;
  }

  .hero-ed-bottom {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-img {
    width: 220px;
    height: 220px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
  }

  .footer-nav {
    justify-content: center;
  }

  .footer-copy {
    text-align: center;
  }

  .footer-brand {
    align-items: center;
  }
}

@media (max-width: 767.98px) {
  .section-pad {
    padding: 56px 0;
  }

  .hero-editorial {
    padding: 90px 0 48px;
  }


  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-hero-primary,
  .btn-hero-outline {
    justify-content: center;
    padding: 14px 22px;
  }

  .about-img-wrapper {
    margin-bottom: 20px;
  }
}

/* ============================================================
   DARK MODE — overrides post-responsive (specificity fix)
   ============================================================ */
@media (max-width: 991.98px) {
  [data-theme="dark"] .navbar-collapse {
    background: #1e293b;
    border-color: #334155;
  }
}

@media (max-width: 575.98px) {
  .hero-ed-line1,
  .hero-ed-line2 {
    font-size: 2.8rem;
  }

  .hero-tags {
    display: none;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .expertise-card,
  .project-card {
    padding: 22px;
  }

  .approach-card {
    padding: 22px 18px;
  }

  .footer-nav {
    gap: 4px 14px;
  }
}

/* ============================================================
   TEAM PHOTO STRIP
   ============================================================ */
.team-photo-strip {
  position: relative;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.team-photo-img {
  width: 100%;
  height: auto;
  display: block;
  filter: brightness(0.9);
  transition: filter 0.4s ease;
}

.team-photo-strip:hover .team-photo-img {
  filter: brightness(1);
}

.team-photo-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 32px;
  background: linear-gradient(to top, rgba(10,8,24,0.72) 0%, transparent 100%);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  line-height: 1;
}

/* ============================================================
   STACK & OUTILS — TABS
   ============================================================ */
.stack-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}

.stack-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  border-radius: 50px;
  border: 1.5px solid var(--border, #e5e7eb);
  background: transparent;
  color: var(--text-secondary, #6b7280);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.stack-tab-btn:hover {
  border-color: var(--primary, #6d28d9);
  color: var(--primary, #6d28d9);
}

.stack-tab-btn.active {
  background: var(--primary, #6d28d9);
  border-color: var(--primary, #6d28d9);
  color: #fff;
}

.stack-tab-content {
  display: none;
}

.stack-tab-content.active {
  display: block;
}

[data-theme="dark"] .stack-tab-btn {
  border-color: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.55);
}

[data-theme="dark"] .stack-tab-btn:hover {
  border-color: var(--primary, #6d28d9);
  color: var(--primary, #6d28d9);
}

[data-theme="dark"] .stack-tab-btn.active {
  color: #fff;
}

.stack-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px 16px;
  border-radius: 14px;
  background: var(--bg-card, #fff);
  border: 1.5px solid var(--border, #e5e7eb);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  cursor: default;
}

.stack-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.10);
  border-color: var(--accent, #6d28d9);
}

.stack-icon {
  font-size: 2.4rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.stack-card:hover .stack-icon {
  transform: scale(1.15);
}

.stack-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary, #6b7280);
  letter-spacing: 0.02em;
  text-align: center;
}

[data-theme="dark"] .stack-card {
  background: var(--bg-card-dark, #1e293b);
  border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .stack-label {
  color: rgba(255,255,255,0.6);
}