/* ========================================
   Lyon Alternance — Design ECL
   Couleurs: Bleu foncé #1B2A4A + Blanc
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bleu: #1B2A4A;
  --bleu-clair: #2C4066;
  --bleu-hover: #253758;
  --blanc: #FFFFFF;
  --gris-bg: #F7F8FA;
  --gris-border: #E2E5EA;
  --gris-text: #6B7280;
  --text: #1F2937;
  --success: #10B981;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--blanc);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- NAV ---- */
nav {
  background: var(--blanc);
  border-bottom: 1px solid var(--gris-border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--bleu);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--gris-text);
  font-weight: 400;
  font-size: 0.85rem;
  margin-left: 8px;
}

/* ---- LAYOUT ---- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--bleu) 0%, var(--bleu-clair) 100%);
  color: var(--blanc);
  padding: 80px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 em {
  font-style: normal;
  color: #93B5FF;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 40px;
}

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

.hero-stat .number {
  font-size: 2.2rem;
  font-weight: 800;
}

.hero-stat .label {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 4px;
}

/* ---- BOUTONS ---- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--blanc);
  color: var(--bleu);
}

.btn-primary:hover {
  background: #E8ECF1;
  transform: translateY(-1px);
}

.btn-dark {
  background: var(--bleu);
  color: var(--blanc);
}

.btn-dark:hover {
  background: var(--bleu-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--bleu);
  border: 2px solid var(--bleu);
}

.btn-outline:hover {
  background: var(--bleu);
  color: var(--blanc);
}

/* ---- SECTION INSCRIPTION ---- */
.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--gris-bg);
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  color: var(--bleu);
  letter-spacing: -0.5px;
}

.section-subtitle {
  text-align: center;
  color: var(--gris-text);
  font-size: 1.05rem;
  margin-bottom: 40px;
}

/* ---- FORMULAIRE ---- */
.form-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--blanc);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gris-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: var(--blanc);
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--bleu);
  box-shadow: 0 0 0 3px rgba(27, 42, 74, 0.1);
}

.form-group input::placeholder {
  color: #9CA3AF;
}

/* Domaines checkboxes */
.domaines-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.domaine-chip {
  position: relative;
}

.domaine-chip input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.domaine-chip label {
  display: block;
  padding: 10px 14px;
  border: 1px solid var(--gris-border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gris-text);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  user-select: none;
}

.domaine-chip input:checked + label {
  background: var(--bleu);
  color: var(--blanc);
  border-color: var(--bleu);
}

.domaine-chip label:hover {
  border-color: var(--bleu);
  color: var(--bleu);
}

.consent-group {
  margin-top: 20px;
}

.consent-group label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--gris-text);
  cursor: pointer;
  line-height: 1.4;
}

.consent-group input[type="checkbox"] {
  margin-top: 2px;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.form-submit {
  width: 100%;
  padding: 14px;
  margin-top: 24px;
}

/* ---- OFFRES ---- */
.offres-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.offres-count {
  font-size: 0.95rem;
  color: var(--gris-text);
}

.offres-filters-group {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.filter-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bleu);
  margin-right: 6px;
}

.offres-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-btn {
  padding: 8px 16px;
  border: 1px solid var(--gris-border);
  border-radius: 20px;
  font-size: 0.85rem;
  background: var(--blanc);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--gris-text);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--bleu);
  color: var(--blanc);
  border-color: var(--bleu);
}

.offre-card {
  background: var(--blanc);
  border: 1px solid var(--gris-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 14px;
  transition: all 0.2s;
}

.offre-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--bleu);
  transform: translateY(-1px);
}

.offre-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.offre-time {
  font-size: 0.78rem;
  color: var(--gris-text);
  background: var(--gris-bg);
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}

.offre-time-new {
  background: #ECFDF5;
  color: #065F46;
  font-weight: 600;
}

.offre-titre {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--bleu);
  margin-bottom: 4px;
}

.offre-entreprise {
  font-size: 0.95rem;
  color: var(--text);
}

.offre-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.offre-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  color: var(--gris-text);
  background: var(--gris-bg);
  padding: 4px 10px;
  border-radius: 6px;
}

.offre-description {
  font-size: 0.9rem;
  color: var(--gris-text);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.offre-actions .btn {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* ---- AVANTAGES ---- */
.avantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.avantage-card {
  background: var(--blanc);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
}

.avantage-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.avantage-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--bleu);
  margin-bottom: 8px;
}

.avantage-text {
  font-size: 0.9rem;
  color: var(--gris-text);
  line-height: 1.5;
}

/* ---- FOOTER ---- */
footer {
  background: var(--bleu);
  color: var(--blanc);
  padding: 40px 0;
  text-align: center;
}

footer p {
  opacity: 0.7;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

footer a {
  color: #93B5FF;
  text-decoration: none;
}

/* ---- SUCCESS MESSAGE ---- */
.alert {
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.alert-success {
  background: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.alert-error {
  background: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.9rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat .number {
    font-size: 1.6rem;
  }

  .form-card {
    padding: 24px;
  }

  .domaines-grid {
    grid-template-columns: 1fr;
  }

  .avantages-grid {
    grid-template-columns: 1fr;
  }

  .offre-top {
    flex-direction: column;
  }

  .offre-meta {
    gap: 8px;
  }
}

/* ---- SHARE MENU ---- */
.share-menu {
  display: none;
  position: absolute;
  bottom: 100%;
  left: 0;
  background: var(--blanc);
  border: 1px solid var(--gris-border);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  padding: 6px;
  margin-bottom: 6px;
  min-width: 180px;
  z-index: 50;
}

.share-menu.share-open {
  display: block;
}

.share-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--text);
  text-decoration: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}

.share-item:hover {
  background: var(--gris-bg);
}

/* ---- TOGGLE SWITCH ---- */
.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #D1D5DB;
  border-radius: 24px;
  transition: 0.2s;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: 0.2s;
}

.toggle input:checked + .toggle-slider {
  background: var(--bleu);
}

.toggle input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

/* ---- LOADING ---- */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.6s linear infinite;
}

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