/* ============================================================
   TEKALIOCI — Main Stylesheet
   Agence Web & Digitale | Côte d'Ivoire
   ============================================================ */

/* ── Design Tokens ── */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-darker: #1e40af;
  --color-primary-light: #3b82f6;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-white: #ffffff;
  --color-black: #0f172a;
  --color-text-primary: #1e293b;
  --color-text-secondary: #5a6072;
  --color-text-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-bg: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-dark: #0f172a;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.1);
  --shadow-primary: 0 4px 15px rgba(37,99,235,.25);
  --shadow-primary-lg: 0 8px 25px rgba(37,99,235,.35);

  --transition-fast: .15s ease;
  --transition-base: .25s ease;
  --transition-slow: .4s ease;

  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ── Section ── */
.section {
  padding: var(--space-20) 0;
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.6;
}

/* ── Text utilities ── */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.navbar-logo {
  height: 40px;
  width: auto;
  display: block;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar-links li a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.navbar-links li a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: var(--space-4);
  right: var(--space-4);
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-fast);
}

.navbar-links li a:hover { color: var(--color-primary); }

.navbar-links li a:hover::after,
.navbar-links li a.active::after {
  transform: scaleX(1);
}

.navbar-links li a.active {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

.navbar-links li a.btn-primary {
  color: var(--color-primary);
  background: transparent;
  box-shadow: none;
  border: 1px solid var(--color-primary);
}

.navbar-links li a.btn-primary:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  box-shadow: 0 4px 15px rgba(37,99,235,.25);
  border-color: transparent;
}

/* Nav toggle */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1001;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.4;
}

.btn-sm { padding: 0.4rem 1rem; font-size: var(--text-xs); }
.btn-lg { padding: 0.8rem 1.75rem; font-size: var(--text-base); }

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-darker) 100%);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(37,99,235,.04);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent), var(--color-primary));
  background-size: 200% 200%;
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-base);
  animation: gradient-shift 3s ease infinite;
}

.btn-glow:hover::before { opacity: .35; }

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ── Hero ── */
.page-hero {
  position: relative;
  padding: var(--space-20) 0 var(--space-16);
  background: var(--color-bg-secondary);
  overflow: hidden;
  min-height: 40vh;
  display: flex;
  align-items: center;
}

.page-hero--short {
  padding: var(--space-16) 0 var(--space-12);
  min-height: auto;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .4;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .15;
  pointer-events: none;
}

.hero-glow--1 { background: var(--color-primary); }
.hero-glow--2 { background: var(--color-accent); }

.hero-floating { position: absolute; inset: 0; pointer-events: none; }
.hero-floating-icon { position: absolute; opacity: .15; }

.hero-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--color-bg), transparent);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.85rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(37,99,235,.1);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.page-title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-bold);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.page-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.hero-title-gradient {
  -webkit-text-fill-color: transparent;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

/* ── Cards ── */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

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

.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.card-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.card-actions {
  margin-top: var(--space-4);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: rgba(37,99,235,.1);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

/* ── Services Grid ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.service-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: rgba(37,99,235,.1);
  color: var(--color-primary);
}

/* ── Formations Grid ── */
.formations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.formation-card {
  display: flex;
  flex-direction: column;
}

.formation-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.formation-card-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(37,99,235,.1);
  color: var(--color-primary);
}

.formation-card-body {
  flex: 1;
}

.formation-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.formation-meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.formation-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.formation-price {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.formation-price-period {
  font-size: var(--text-xs);
  font-weight: var(--font-normal);
  color: var(--color-text-muted);
}

.badge-cert {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  background: rgba(245,158,11,.12);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
}

/* ── Projects Grid ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-6);
}

.project-card {
  text-decoration: none;
  color: inherit;
  display: block;
}

.project-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: #fff;
}

.project-card-text {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Contact Page ── */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.contact-info-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(37,99,235,.1);
  color: var(--color-primary);
}

.contact-info-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.contact-info-link {
  font-size: var(--text-sm);
  color: var(--color-primary);
  word-break: break-all;
}

.contact-info-link--text {
  color: var(--color-text-secondary);
}

.contact-form-wrapper {
  max-width: 640px;
  margin: 0 auto;
}

.contact-form-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-overline {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.contact-form-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
}

.contact-form-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* ── Forms ── */
.form-group { margin-bottom: var(--space-5); }

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.form-required { color: #ef4444; }

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-size: var(--text-sm);
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-row-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

/* ── Footer ── */
.footer {
  background: var(--color-bg-dark);
  color: #cbd5e1;
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-20);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: #94a3b8;
  margin-top: var(--space-4);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.06);
  color: #94a3b8;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: #fff;
}

.footer-heading {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: #94a3b8;
  transition: color var(--transition-fast);
}

.footer-links a:hover { color: #fff; }

.footer-contact-list { display: flex; flex-direction: column; gap: var(--space-3); }

.footer-contact-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: #94a3b8;
  transition: color var(--transition-fast);
}

.footer-contact-item:hover { color: #fff; }
.footer-contact-item svg { flex-shrink: 0; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: var(--text-xs);
  color: #64748b;
}

.footer-bottom-links { display: flex; gap: var(--space-5); }

.footer-bottom-links a {
  color: #64748b;
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover { color: #cbd5e1; }

/* ── Alert ── */
.alert {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
}

.alert-error {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.alert-success {
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
}

/* ── Status badges ── */
.status-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.status-live {
  background: rgba(34,197,94,.12);
  color: #16a34a;
}

.status-dev {
  background: rgba(245,158,11,.12);
  color: #d97706;
}

/* ── Inscription Page ── */
.inscription-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.inscription-summary-card ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.inscription-summary-card li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.inscription-summary-card li svg { flex-shrink: 0; }

.inscription-form-card .card-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.inscription-payment-info {
  margin-top: var(--space-4);
  background: var(--color-bg-secondary);
}

.inscription-payment-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.inscription-payment-methods {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.payment-method {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.form-submit-btn { width: 100%; justify-content: center; }

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Legal content ── */
.legal-content h2 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.legal-content p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.legal-content a { color: var(--color-primary); }

/* ── Project detail ── */
.project-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

/* ── Animations ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

.stagger-children > * { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.stagger-children.visible > *:nth-child(1) { transition-delay: .05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: .1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: .15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: .2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: .25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: .3s; }
.stagger-children.visible > * { opacity: 1; transform: translateY(0); }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in { animation: fadeInUp .6s ease forwards; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .home-stats { grid-template-columns: repeat(2, 1fr) !important; }
}

@media (max-width: 768px) {
  .navbar-toggle { display: flex; }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity .35s ease;
    -webkit-tap-highlight-color: transparent;
  }
  .nav-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

  .navbar-links {
    position: fixed;
    top: 0;
    left: 0;
    width: min(320px, 82vw);
    height: 100dvh;
    max-height: 100dvh;
    flex-direction: column;
    background: var(--color-white);
    z-index: 999;
    padding: 80px var(--space-6) var(--space-6);
    gap: 2px;
    transform: translateX(-100%);
    transition: transform .4s cubic-bezier(.16,1,.3,1);
    box-shadow: 8px 0 40px rgba(0,0,0,.1);
    overflow-y: auto;
    border-right: 1px solid var(--color-border);
  }
  .navbar-links::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
    background-size: 200% 100%;
    animation: gradient-shift 3s ease infinite;
  }

  .navbar-links.open {
    transform: translateX(0);
  }

  .navbar-toggle span {
    transition: all .3s ease;
  }
  .navbar-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .navbar-toggle.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }
  .navbar-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .navbar-links li a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: 14px var(--space-4);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    border-radius: var(--radius-lg);
    transition: all .2s ease;
    text-decoration: none;
  }
  .navbar-links li a::after { display: none; }

  .navbar-links li a:hover {
    background: linear-gradient(135deg, rgba(37,99,235,.08), rgba(37,99,235,.04));
    color: var(--color-primary);
    transform: translateX(4px);
  }

  .navbar-links li a.active {
    background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(37,99,235,.06));
    color: var(--color-primary);
    font-weight: var(--font-semibold);
    border: 1px solid rgba(37,99,235,.15);
  }

  .nav-separator {
    border-left: none !important;
    border-top: 1px solid var(--color-border) !important;
    height: auto !important;
    width: 100%;
    margin: var(--space-4) 0 !important;
  }

  .navbar-links li a.btn-primary {
    justify-content: center;
    margin-top: var(--space-2);
    padding: 12px var(--space-4) !important;
    font-size: var(--text-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-primary);
    border: none;
    transform: none;
  }
  .navbar-links li a.btn-primary:hover {
    box-shadow: var(--shadow-primary-lg);
    transform: translateY(-1px);
  }

  .services-grid { grid-template-columns: 1fr; }
  .formations-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; gap: var(--space-3); text-align: center; }
  .inscription-layout { grid-template-columns: 1fr; }
  .project-detail-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-row-split { grid-template-columns: 1fr; gap: 0; }

  .section { padding: var(--space-12) 0; }
  .page-hero { padding: var(--space-16) 0 var(--space-10); }
}

@media (max-width: 639px) {
  .inscription-form-card { padding: var(--space-6); }
}

/* ── Client Dashboard ── */
.client-hero-content {
  position: relative;
  z-index: 1;
}

.client-welcome {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

.client-toolbar {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.client-section-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.client-table-wrap {
  overflow-x: auto;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.client-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.client-table th {
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background: var(--color-bg-secondary);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.client-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  color: var(--color-text-primary);
}

.client-table tbody tr:last-child td {
  border-bottom: none;
}

.client-table tbody tr:hover td {
  background: var(--color-bg-secondary);
}

.client-table .ref {
  font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.client-table .amount {
  font-weight: 600;
}

.client-table .cell-date {
  white-space: nowrap;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.client-empty {
  text-align: center;
  padding: var(--space-10) 0;
  color: var(--color-text-muted);
}

.client-empty-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  opacity: .3;
  color: var(--color-text-muted);
}

.client-empty-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.client-empty-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 400px;
  margin: 0 auto var(--space-5);
  line-height: 1.6;
}

/* ── Client Login ── */
.client-login-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, #eef2ff 100%);
  padding: var(--space-6);
}

.client-login-card {
  max-width: 420px;
  width: 100%;
  padding: var(--space-8);
  animation: fadeInUp .5s ease;
}

.client-login-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.client-login-header img {
  height: 52px;
  width: auto;
  margin: 0 auto var(--space-4);
}

.client-login-header h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.client-login-header p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.client-login-footer {
  text-align: center;
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.client-login-footer a {
  color: var(--color-primary);
  font-weight: 500;
}

.client-login-footer a:hover {
  text-decoration: underline;
}

/* ── Formations Course List ── */
.course-list-section {
  padding: var(--space-8) 0;
}

.course-list-header {
  margin-bottom: var(--space-6);
}

.course-list-back {
  margin-bottom: var(--space-4);
}

.course-list-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.course-list-desc {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.course-list-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.course-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
}

.course-list-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.course-list-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(37,99,235,.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  flex-shrink: 0;
}

.course-list-body {
  flex: 1;
  min-width: 0;
}

.course-list-body h3 {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text-primary);
}

.course-list-body p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.course-list-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.course-list-duration {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.course-list-arrow {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ── Sidebar Progression ── */
.course-sidebar {
  position: sticky;
  top: calc(64px + var(--space-6));
}

.course-progress-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.course-progress-title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.course-progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.course-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 3px;
  transition: width .5s ease;
}

.course-progress-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.course-empty {
  text-align: center;
  padding: var(--space-8) 0;
  color: var(--color-text-muted);
}

/* ── Lecture Page ── */
.lecture-section {
  padding: var(--space-8) 0;
}

.lecture-container {
  max-width: 800px;
  margin: 0 auto;
}

.lecture-back {
  margin-bottom: var(--space-6);
}

.lecture-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.lecture-desc {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.lecture-video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-8);
  background: #000;
  box-shadow: var(--shadow-lg);
}

.lecture-video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.lecture-content {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.lecture-content h2 { font-size: var(--text-xl); font-weight: 700; color: var(--color-text-primary); margin-top: var(--space-6); margin-bottom: var(--space-3); }
.lecture-content h3 { font-size: var(--text-lg); font-weight: 600; color: var(--color-text-primary); margin-top: var(--space-5); margin-bottom: var(--space-2); }
.lecture-content p { margin-bottom: var(--space-4); }
.lecture-content ul, .lecture-content ol { padding-left: var(--space-6); margin-bottom: var(--space-4); }
.lecture-content li { margin-bottom: var(--space-2); }
.lecture-content code { background: #f1f5f9; padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.85em; }
.lecture-content pre { background: #0f172a; color: #e2e8f0; padding: var(--space-4); border-radius: var(--radius-md); overflow-x: auto; margin-bottom: var(--space-4); font-size: var(--text-sm); line-height: 1.6; }
.lecture-content pre code { background: none; padding: 0; color: inherit; }
.lecture-content img { max-width: 100%; border-radius: var(--radius-md); margin: var(--space-4) 0; }
.lecture-content a { color: var(--color-primary); text-decoration: underline; }
.lecture-content blockquote { border-left: 3px solid var(--color-primary); padding-left: var(--space-4); color: var(--color-text-muted); margin: var(--space-4) 0; }

/* ── Inscription refinements ── */
.inscription-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.inscription-summary-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.inscription-summary-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(37,99,235,.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.inscription-meta-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.inscription-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.inscription-meta-item svg {
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.inscription-price {
  font-weight: 700;
  color: var(--color-primary);
}

.inscription-price-period {
  font-weight: 400;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.inscription-form-header {
  margin-bottom: var(--space-5);
}

.inscription-form-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.inscription-form-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  color: var(--color-text-muted);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 480px;
  margin: 0 auto var(--space-5);
  line-height: 1.7;
}

/* ── Badge AI ── */
.badge-ai {
  background: linear-gradient(135deg, rgba(168,85,247,.12), rgba(236,72,153,.12));
  color: #7c3aed;
  border: 1px solid rgba(168,85,247,.2);
  margin-left: var(--space-1);
}

/* ── Card tilt (formations) ── */
.card-tilt {
  transform: perspective(800px) rotateX(0deg);
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}

@media (hover: hover) {
  .card:hover { transform: translateY(-8px); }
  .btn-primary:hover { transform: translateY(-3px); }
  .btn-outline:hover { transform: translateY(-3px); }
}