/**
 * ═══════════════════════════════════════════════════════════════
 * MAISONS CTL - STYLES LANDING PAGE PERMIS DE CONSTRUIRE
 * ═══════════════════════════════════════════════════════════════
 * 
 * Fichier : css/landing-permis.css
 * Version : 2.4.2 - AJOUT IMAGE FILIGRANE HERO
 * Date : 30/10/2025
 * 
 * Description :
 * Styles complets pour la landing page permis-construire-en-ligne.php
 * Inclut : header, footer, formulaire, offres, étapes, FAQ, CTA
 * 
 * CHANGEMENTS v2.4.2 :
 * 🎨 AJOUT : Image en filigrane sur section Hero (opacity: 0.12)
 * 📍 LOCALISATION : Ligne ~305 → opacity: 0.12 (modifiable)
 * 
 * CHANGEMENTS v2.4.1 :
 * 🎨 MODIFICATION : Couleur fond section dark #2C3E50 → #1a252f
 * 📏 RÉDUCTION : Padding section dark (60px → 45px)
 * 📏 RÉDUCTION : Padding toutes sections (optimisation globale)
 * 🎨 MODIFICATION : Couleur alerte #CC3333 (rouge vif)
 * 
 * ═══════════════════════════════════════════════════════════════
 */

/* ══════════════════════════════════════════════════════════
   VARIABLES CSS GLOBALES
══════════════════════════════════════════════════════════ */

:root {
    --color-primary: #c41e3a;
    --color-primary-dark: #a01630;
    --color-secondary: #2C3E50;
    --color-success: #34a853;
    --color-warning: #ffc107;
    --color-info: #2196f3;
    
    --color-text: #2C3E50;
    --color-text-light: #6c757d;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-dark: #e9ecef;
    
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* ══════════════════════════════════════════════════════════
   RESET ET BASE
══════════════════════════════════════════════════════════ */

* {
    box-sizing: border-box;
}

body.landing-permis {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    margin: 0;
    padding: 0;
}

.landing-main {
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ══════════════════════════════════════════════════════════
   HEADER LANDING (Minimaliste)
══════════════════════════════════════════════════════════ */

.header-landing {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    box-shadow: var(--box-shadow);
}

.header-landing-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    max-width: 1300px;
    margin: 0 auto;
}

.header-landing-logo img {
    height: 38px;
    width: auto;
    transition: transform 0.15s ease;
}

.header-landing-logo:hover img {
    transform: scale(1.05);
}

.header-landing-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.header-landing-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: var(--color-bg-light);
    border-radius: var(--border-radius);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
}

.header-landing-phone:hover {
    background: #e8f0fe;
    color: var(--color-primary);
}

.header-landing-phone svg {
    flex-shrink: 0;
}

.phone-desktop {
    display: none;
}

.phone-mobile {
    display: inline;
}

.header-landing-cta {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.header-landing-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 30, 58, 0.3);
}

.cta-desktop {
    display: none;
}

.cta-mobile {
    display: inline;
}

/* Responsive header */
@media (min-width: 768px) {
    .header-landing-logo img {
        height: 45px;
    }
    
    .phone-desktop {
        display: inline;
    }
    
    .phone-mobile {
        display: none;
    }
    
    .cta-desktop {
        display: inline;
    }
    
    .cta-mobile {
        display: none;
    }
    
    .header-landing-phone {
        font-size: 15px;
        padding: 12px 16px;
    }
    
    .header-landing-cta {
        font-size: 15px;
        padding: 12px 24px;
    }
}

/* ══════════════════════════════════════════════════════════
   SECTION HERO + FORMULAIRE
══════════════════════════════════════════════════════════ */

.hero-landing {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* 🎨 IMAGE EN FILIGRANE - ARRIÈRE-PLAN */
.hero-landing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../assets/images/CTL_Chaumont_1920x1080.webp') center/cover no-repeat;
    opacity: 0.12; /* 🎯 MODIFIER ICI L'OPACITÉ (entre 0.05 et 0.30) */
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1; /* 🔼 Au-dessus de l'image */
}

/* Colonne gauche - Texte */
.hero-text {
    animation: fadeInLeft 0.8s ease-out;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 30px 0;
    color: var(--color-secondary);
}

.hero-title .highlight {
    color: var(--color-primary);
    display: inline-block;
}

.hero-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.hero-benefits li {
    font-size: 18px;
    padding: 10px 0;
    color: var(--color-text-light);
}

/* Colonne droite - Formulaire */
.hero-form-container {
    position: relative;
}

.hero-form-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    padding: 40px 35px;
    animation: fadeInRight 0.8s ease-out;
}

/* Titre formulaire */
.form-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-secondary);
    margin: 0 0 10px 0;
    text-align: center;
}

.form-subtitle {
    color: var(--color-success);
    font-size: 18px;
    font-weight: 600;
    text-align: center;
}

/* Formulaire */
.lead-form {
    margin-top: 25px;
}

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

.form-group input:not([type="checkbox"]),
.form-select {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:not([type="checkbox"]):focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

/* Select personnalisé */
.form-select {
    appearance: none;
    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='%23c41e3a' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
    padding-right: 40px;
    cursor: pointer;
    color: #2C3E50;
    background-color: #fff;
}

.form-select:hover {
    border-color: var(--color-primary);
    background-color: #fafafa;
}

.form-select option[value=""] {
    color: #999;
}

.form-select:invalid {
    color: #999;
}

/* Checkbox terrain - ULTRA COMPACTE */
.form-checkbox {
    background: #f8f9fa;
    padding: 8px 10px;
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    transition: var(--transition);
}

.form-checkbox:has(.checkbox-input:checked) {
    background: #e8f5e9;
    border-color: #4caf50;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin: 0;
    user-select: none;
}

.checkbox-input {
    appearance: none;
    width: 18px;
    height: 18px;
    min-width: 18px;
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    background-color: #fff;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    margin-right: 8px;
    flex-shrink: 0;
}

.checkbox-input:hover {
    border-color: var(--color-primary-dark);
    background-color: #fef5f7;
}

.checkbox-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-input:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 13px;
    font-weight: bold;
    line-height: 1;
}

.checkbox-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.2);
}

.checkbox-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-secondary);
    line-height: 1.3;
}

.checkbox-hint {
    margin: 4px 0 0 26px;
    font-size: 11px;
    color: var(--color-text-light);
    font-style: italic;
}

/* Bouton submit */
.btn-submit {
    width: 100%;
    padding: 16px 24px;
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 25px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 30, 58, 0.3);
}

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

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-disclaimer {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 15px;
}

/* Messages formulaire */
#formMessages {
    margin-bottom: 20px;
}

.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    font-size: 15px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.field-error {
    color: #dc3545;
    font-size: 13px;
    margin-top: 5px;
}

.form-group.error input,
.form-group.error .form-select,
.form-checkbox.error {
    border-color: #dc3545;
}

/* ══════════════════════════════════════════════════════════
   SECTIONS OFFRES - OPTIMISATION HAUTEUR
   🎯 RÉDUCTION PADDING + HAUTEUR PRIX
══════════════════════════════════════════════════════════ */

.offers-section {
    padding: 45px 0; /* 🔽 Réduit de 60px → 45px */
    border-bottom: 1px solid rgba(0,0,0,0.06); /* 🆕 Séparation visuelle */
}

/* 🎯 Réduction spécifique pour première section (Avant-Projets) */
.offers-section:first-of-type {
    padding-top: 35px; /* 🔽 Encore plus compact en haut */
}

/* 🎨 FONDS ALTERNÉS - Pattern Blanc/Gris */
.offers-section:nth-of-type(odd) {
    background: #ffffff;
}

.offers-section:nth-of-type(even) {
    background: linear-gradient(135deg, #f8f9fa 0%, #f1f3f5 100%);
}

.offers-section-dark {
    background: #1a252f !important; /* 🎨 Bleu très foncé uniforme */
    color: white;
    padding: 45px 0; /* 🔽 Réduit de 60px → 45px */
}

.offers-section-dark .section-title,
.offers-section-dark .section-subtitle {
    color: white;
}

.section-title {
    font-size: 32px; /* 🔽 Réduit de 36px → 32px */
    font-weight: 700;
    text-align: center;
    margin: 0 0 10px 0; /* 🔽 Réduit de 12px → 10px */
    color: var(--color-secondary);
}

.section-subtitle {
    font-size: 16px; /* 🔽 Réduit de 18px → 16px */
    text-align: center;
    margin: 0 0 28px 0; /* 🔽 Réduit de 35px → 28px */
    color: var(--color-text-light);
}

/* ══════════════════════════════════════════════════════════
   SECTION COMBO - STYLES SPÉCIFIQUES
══════════════════════════════════════════════════════════ */

.combo-section .section-subtitle {
    font-size: 18px; /* 🔽 Réduit de 20px → 18px */
    font-weight: 700;
    color: var(--color-primary);
    background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
    padding: 14px 25px; /* 🔽 Réduit de 18px 30px → 14px 25px */
    border-left: 5px solid var(--color-primary);
    border-radius: 8px;
    margin-bottom: 25px; /* 🔽 Réduit de 30px → 25px */
    box-shadow: 0 2px 8px rgba(196, 30, 58, 0.1);
}

.combo-section .section-subtitle strong {
    color: var(--color-primary-dark);
}

/* Grilles d'offres */
.offers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px; /* 🔽 Réduit de 30px → 20px */
}

.offers-grid-2-cols {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px; /* 🔽 Réduit de 30px → 20px */
}

.offers-grid-3-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px; /* 🔽 Réduit de 30px → 20px */
}

/* Cartes d'offres - OPTIMISATION HAUTEUR */
.offer-card {
    background: white;
    border-radius: 12px;
    padding: 22px 18px; /* 🔽 Réduit de 30px 25px → 22px 18px */
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

.offer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.offer-card.featured {
    border-color: var(--color-primary);
    box-shadow: 0 10px 40px rgba(196, 30, 58, 0.2);
}

.offer-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--color-primary);
    color: white;
    padding: 5px 14px; /* 🔽 Réduit de 6px 16px → 5px 14px */
    border-radius: 20px;
    font-size: 11px; /* 🔽 Réduit de 12px → 11px */
    font-weight: 600;
    text-transform: uppercase;
}

.offer-badge-success {
    background: var(--color-success);
}

.offer-badge-warning {
    background: var(--color-warning);
    color: var(--color-secondary);
}

.offer-badge-premium {
    background: linear-gradient(135deg, #c41e3a 0%, #a01630 100%);
}

.offer-title {
    font-size: 22px; /* 🔽 Réduit de 24px → 22px */
    font-weight: 700;
    margin: 0 0 15px 0; /* 🔽 Réduit de 20px → 15px */
    color: var(--color-secondary);
}

.offer-subtitle {
    font-size: 13px; /* 🔽 Réduit de 14px → 13px */
    font-weight: 600;
    color: var(--color-text-light);
    margin: -8px 0 12px 0; /* 🔽 Réduit de -10px 0 15px 0 */
    text-align: center;
    font-style: italic;
}

/* 🎯 BLOC PRIX - RÉDUCTION MAJEURE DE HAUTEUR */
.offer-price {
    margin-bottom: 18px; /* 🔽 Réduit de 25px → 18px */
    text-align: center;
    min-height: 85px; /* 🔽 Réduit de 120px → 85px */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.price-old {
    display: block;
    font-size: 16px; /* 🔽 Réduit de 18px → 16px */
    color: #999;
    text-decoration: line-through;
    margin-bottom: 4px; /* 🔽 Réduit de 5px → 4px */
    font-weight: 400;
}

.price-value {
    display: block;
    font-size: 42px; /* 🔽 Réduit de 48px → 42px */
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin: 4px 0; /* 🔽 Réduit de 5px 0 → 4px 0 */
}

.price-save {
    display: block;
    font-size: 13px; /* 🔽 Réduit de 14px → 13px */
    color: var(--color-success);
    font-weight: 600;
    margin-top: 6px; /* 🔽 Réduit de 8px → 6px */
}

.price-currency {
    font-size: 22px; /* 🔽 Réduit de 24px → 22px */
    vertical-align: super;
}

/* Features - OPTIMISATION HAUTEUR */
.offer-features {
    list-style: none;
    padding: 0;
    margin: 0 0 18px 0; /* 🔽 Réduit de 25px → 18px */
}

.offer-features li {
    padding: 8px 0; /* 🔽 Réduit de 10px 0 → 8px 0 */
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 14px; /* 🔽 Réduit de 15px → 14px */
    line-height: 1.4; /* 🔽 Réduit de 1.5 → 1.4 */
    color: var(--color-text);
}

.offer-features li:last-child {
    border-bottom: none;
}

.feature-icon {
    flex-shrink: 0;
    font-size: 16px; /* 🔽 Réduit de 18px → 16px */
}

.feature-text {
    flex: 1;
    font-size: 14px; /* 🔽 Réduit de 15px → 14px */
    line-height: 1.4; /* 🔽 Réduit de 1.5 → 1.4 */
    color: var(--color-text);
}

.feature-highlight {
    background: #fff3cd;
    padding: 10px; /* 🔽 Réduit de 12px → 10px */
    border-radius: 6px;
    border-left: 3px solid #ffc107;
    margin: 12px 0; /* 🔽 Réduit de 15px 0 → 12px 0 */
}

.feature-highlight .feature-text {
    font-weight: 600;
    color: #856404;
}

/* Boutons offres */
.btn-offer {
    width: 100%;
    padding: 12px 18px; /* 🔽 Réduit de 14px 20px → 12px 18px */
    font-size: 15px; /* 🔽 Réduit de 16px → 15px */
    font-weight: 600;
    background: white;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    display: block;
}

.btn-offer:hover {
    background: var(--color-primary);
    color: white;
}

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

.btn-offer-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 30, 58, 0.3);
}

/* Alert section */
.section-alert {
    background: linear-gradient(135deg, #fff3cd 0%, #ffe5a3 100%);
    border: 2px solid #ffc107;
    border-radius: 12px;
    padding: 20px 25px; /* 🔽 Réduit de 25px 30px → 20px 25px */
    margin: 25px 0; /* 🔽 Réduit de 30px 0 → 25px 0 */
    display: flex;
    align-items: center;
    gap: 18px; /* 🔽 Réduit de 20px → 18px */
}

.alert-icon {
    font-size: 28px; /* 🔽 Réduit de 32px → 28px */
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-content p {
    margin: 0;
    font-size: 15px; /* 🔽 Réduit de 16px → 15px */
    line-height: 1.5;
    color: var(--color-secondary);
}

.alert-content h4,
.alert-title {
    color: #CC3333; /* 🎨 Rouge vif pour attirer l'attention */
    font-weight: 700;
    margin: 0 0 8px 0;
}

.alert-content strong {
    color: #CC3333; /* 🎨 Mots importants en rouge vif */
    font-weight: 700;
}

/* ══════════════════════════════════════════════════════════
   SECTION AVANTAGES
══════════════════════════════════════════════════════════ */

.advantages-section {
    padding: 50px 0; /* 🔽 Réduit de 60px → 50px */
    background: white;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px; /* 🔽 Réduit de 30px → 20px */
}

.advantage-card {
    text-align: center;
    padding: 25px 18px; /* 🔽 Réduit de 30px 20px → 25px 18px */
    background: var(--color-bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.advantage-card:hover {
    background: white;
    box-shadow: var(--box-shadow);
}

.advantage-icon {
    font-size: 42px; /* 🔽 Réduit de 48px → 42px */
    margin-bottom: 16px; /* 🔽 Réduit de 20px → 16px */
}

.advantage-title {
    font-size: 18px; /* 🔽 Réduit de 20px → 18px */
    font-weight: 700;
    margin: 0 0 12px 0; /* 🔽 Réduit de 15px → 12px */
    color: var(--color-secondary);
}

.advantage-text {
    font-size: 14px; /* 🔽 Réduit de 15px → 14px */
    line-height: 1.5;
    color: var(--color-text-light);
    margin: 0;
}

/* Bloc confiance */
.trust-box {
    background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
    border: 2px solid #ffc107;
    border-radius: 12px;
    padding: 25px; /* 🔽 Réduit de 30px → 25px */
    text-align: center;
}

.trust-box p {
    font-size: 16px; /* 🔽 Réduit de 18px → 16px */
    margin: 0;
    color: var(--color-secondary);
}

/* ══════════════════════════════════════════════════════════
   SECTION PROCESSUS
══════════════════════════════════════════════════════════ */

.process-section {
    padding: 50px 0; /* 🔽 Réduit de 60px → 50px */
    background: linear-gradient(135deg, #f8f9fa 0%, #f1f3f5 100%);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px; /* 🔽 Réduit de 30px → 20px */
}

.step-card {
    background: white;
    padding: 25px 20px; /* 🔽 Réduit de 30px 25px → 25px 20px */
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    text-align: center;
    position: relative;
}

.step-number {
    width: 55px; /* 🔽 Réduit de 60px → 55px */
    height: 55px; /* 🔽 Réduit de 60px → 55px */
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    font-size: 26px; /* 🔽 Réduit de 28px → 26px */
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px; /* 🔽 Réduit de 20px → 16px */
}

.step-title {
    font-size: 17px; /* 🔽 Réduit de 18px → 17px */
    font-weight: 700;
    margin: 0 0 10px 0; /* 🔽 Réduit de 12px → 10px */
    color: var(--color-secondary);
}

.step-text {
    font-size: 13px; /* 🔽 Réduit de 14px → 13px */
    line-height: 1.5;
    color: var(--color-text-light);
    margin: 0;
}

/* ══════════════════════════════════════════════════════════
   SECTION FAQ
══════════════════════════════════════════════════════════ */

.faq-section {
    padding: 50px 0; /* 🔽 Réduit de 60px → 50px */
    background: white;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-light);
    padding: 20px 25px; /* 🔽 Réduit de 25px 30px → 20px 25px */
    border-radius: 12px;
    margin-bottom: 16px; /* 🔽 Réduit de 20px → 16px */
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--box-shadow);
}

.faq-question {
    font-size: 17px; /* 🔽 Réduit de 18px → 17px */
    font-weight: 700;
    margin: 0 0 12px 0; /* 🔽 Réduit de 15px → 12px */
    color: var(--color-secondary);
}

.faq-answer {
    font-size: 14px; /* 🔽 Réduit de 15px → 14px */
    line-height: 1.6;
    color: var(--color-text-light);
    margin: 0;
}

/* ══════════════════════════════════════════════════════════
   SECTION CTA FINAL
══════════════════════════════════════════════════════════ */

.cta-final-section {
    padding: 50px 0; /* 🔽 Réduit de 60px → 50px */
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    text-align: center;
}

.cta-final-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-urgency {
    background: rgba(255, 255, 255, 0.2);
    display: inline-block;
    padding: 8px 18px; /* 🔽 Réduit de 10px 20px → 8px 18px */
    border-radius: 30px;
    font-size: 13px; /* 🔽 Réduit de 14px → 13px */
    font-weight: 600;
    margin-bottom: 20px; /* 🔽 Réduit de 25px → 20px */
}

.cta-final-title {
    font-size: 38px; /* 🔽 Réduit de 42px → 38px */
    font-weight: 700;
    margin: 0 0 20px 0; /* 🔽 Réduit de 25px → 20px */
}

.cta-final-text {
    font-size: 16px; /* 🔽 Réduit de 18px → 16px */
    line-height: 1.6;
    margin: 0 0 30px 0; /* 🔽 Réduit de 35px → 30px */
    opacity: 0.95;
}

.btn-cta-final {
    display: inline-block;
    padding: 16px 36px; /* 🔽 Réduit de 18px 40px → 16px 36px */
    font-size: 18px; /* 🔽 Réduit de 20px → 18px */
    font-weight: 700;
    background: white;
    color: var(--color-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.btn-cta-final:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-contact {
    margin-top: 35px; /* 🔽 Réduit de 40px → 35px */
    font-size: 15px; /* 🔽 Réduit de 16px → 15px */
}

.cta-contact a {
    color: white;
    text-decoration: underline;
    font-weight: 600;
}

/* ══════════════════════════════════════════════════════════
   FOOTER LANDING (Minimaliste)
══════════════════════════════════════════════════════════ */

.footer-landing {
    background: var(--color-secondary);
    color: white;
    padding: 40px 20px;
    margin-top: 0;
}

.footer-landing-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-landing-contact {
    margin-bottom: 20px;
}

.footer-landing-contact p {
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

.footer-landing-contact strong {
    font-weight: 600;
    color: white;
}

.footer-landing-contact a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-landing-contact a:hover {
    opacity: 0.8;
}

.footer-landing-legal {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-landing-legal p {
    font-size: 13px;
    line-height: 1.8;
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer-landing-legal a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-landing-legal a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ══════════════════════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════════════════════ */

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE - TABLETTE
══════════════════════════════════════════════════════════ */

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 38px;
    }
    
    .offers-grid-3-cols {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE - MOBILE
══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .hero-landing {
        padding: 40px 0;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-benefits li {
        font-size: 16px;
    }
    
    .hero-form-card {
        padding: 30px 25px;
    }
    
    .form-title {
        font-size: 24px;
    }
    
    .form-group input:not([type="checkbox"]),
    .form-select {
        font-size: 16px;
        padding: 12px 14px;
    }
    
    .form-select {
        padding-right: 38px;
    }
    
    .form-checkbox {
        padding: 6px 8px;
    }
    
    .checkbox-text {
        font-size: 13px;
    }
    
    .checkbox-hint {
        font-size: 10px;
        margin-left: 24px;
    }
    
    .checkbox-input {
        width: 16px;
        height: 16px;
        min-width: 16px;
        margin-right: 6px;
    }
    
    .checkbox-input:checked::after {
        font-size: 11px;
    }
    
    .btn-submit {
        padding: 14px 20px;
        font-size: 16px;
    }
    
    .offers-section,
    .advantages-section,
    .process-section,
    .faq-section,
    .cta-final-section {
        padding: 50px 0; /* 🔽 Mobile : 60px → 50px */
    }
    
    .section-title {
        font-size: 26px; /* 🔽 Mobile : 28px → 26px */
    }
    
    .section-subtitle {
        font-size: 15px; /* 🔽 Mobile : 16px → 15px */
    }
    
    .combo-section .section-subtitle {
        font-size: 16px; /* 🔽 Mobile : 18px → 16px */
        padding: 12px 18px; /* 🔽 Mobile : 15px 20px → 12px 18px */
    }
    
    .offers-grid,
    .offers-grid-2-cols,
    .offers-grid-3-cols {
        grid-template-columns: 1fr;
        gap: 16px; /* 🔽 Mobile : 20px → 16px */
    }
    
    .offer-card {
        padding: 20px 16px; /* 🔽 Mobile : 25px 20px → 20px 16px */
    }
    
    .offer-title {
        font-size: 20px; /* 🔽 Mobile : 22px → 20px */
    }
    
    .price-value {
        font-size: 36px; /* 🔽 Mobile : 40px → 36px */
    }
    
    .offer-features li {
        font-size: 13px; /* 🔽 Mobile : 14px → 13px */
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 16px; /* 🔽 Mobile : 20px → 16px */
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 16px; /* 🔽 Mobile : 20px → 16px */
    }
    
    .cta-final-title {
        font-size: 30px; /* 🔽 Mobile : 32px → 30px */
    }
    
    .cta-final-text {
        font-size: 15px; /* 🔽 Mobile : 16px → 15px */
    }
    
    .section-alert {
        flex-direction: column;
        padding: 16px; /* 🔽 Mobile : 20px → 16px */
    }
    
    .alert-icon {
        font-size: 22px; /* 🔽 Mobile : 24px → 22px */
    }
    
    .footer-landing {
        padding: 30px 15px;
    }
    
    .footer-landing-contact p {
        font-size: 14px;
    }
    
    .footer-landing-legal p {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .form-title {
        font-size: 22px;
    }
    
    .section-title {
        font-size: 22px; /* 🔽 Très petit écran : 24px → 22px */
    }
    
    .combo-section .section-subtitle {
        font-size: 15px; /* 🔽 Très petit écran : 16px → 15px */
        padding: 10px 14px; /* 🔽 Très petit écran : 12px 15px → 10px 14px */
    }
    
    .form-checkbox {
        padding: 6px;
    }
    
    .checkbox-text {
        font-size: 12px;
    }
    
    .checkbox-hint {
        font-size: 10px;
        margin-left: 22px;
    }
    
    .offer-features li {
        font-size: 12px; /* 🔽 Très petit écran : 13px → 12px */
    }
}

/* ══════════════════════════════════════════════════════════
   STYLES BOUTON ARCHI
══════════════════════════════════════════════════════════ */

.btn-offer-archi {
    width: 100%;
    padding: 12px 18px; /* 🔽 Réduit de 14px 20px → 12px 18px */
    font-size: 15px; /* 🔽 Réduit de 16px → 15px */
    font-weight: 600;
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    display: block;
}

.btn-offer-archi:hover {
    background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.offer-card-Archi {
    border: 2px solid #8b5cf6;
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.2);
}

.badge-archi {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
}

/* ══════════════════════════════════════════════════════════
   SECTION AVANT-PROJETS - STYLES SPÉCIFIQUES
══════════════════════════════════════════════════════════ */

.offers-section:not(.combo-section):not(.offers-section-dark) .section-title {
    font-size: 36px; /* 🔽 Réduit de 42px → 36px */
    font-weight: 800;
    background: linear-gradient(135deg, #c41e3a 0%, #8b1528 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
    padding-bottom: 12px; /* 🔽 Réduit de 15px → 12px */
}

.offers-section:not(.combo-section):not(.offers-section-dark) .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px; /* 🔽 Réduit de 80px → 70px */
    height: 3px; /* 🔽 Réduit de 4px → 3px */
    background: linear-gradient(90deg, transparent 0%, #c41e3a 50%, transparent 100%);
    border-radius: 2px;
}

.offers-section:not(.combo-section):not(.offers-section-dark) .section-subtitle {
    font-size: 16px; /* 🔽 Réduit de 18px → 16px */
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
    padding: 13px 30px; /* 🔽 Réduit de 16px 35px → 13px 30px */
    border-radius: 50px;
    margin: 0 auto 28px auto; /* 🔽 Réduit de 35px → 28px */
    max-width: 700px;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
    position: relative;
    overflow: hidden;
}

.offers-section:not(.combo-section):not(.offers-section-dark) .section-subtitle::before {
    content: '💡';
    font-size: 20px; /* 🔽 Réduit de 22px → 20px */
    margin-right: 10px;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

.offers-section:not(.combo-section):not(.offers-section-dark) .section-subtitle::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shine 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes shine {
    0% {
        left: -100%;
    }
    100% {
        left: 200%;
    }
}

/* Responsive Avant-Projets */
@media (max-width: 768px) {
    .offers-section:not(.combo-section):not(.offers-section-dark) .section-title {
        font-size: 28px; /* 🔽 Mobile : 32px → 28px */
    }
    
    .offers-section:not(.combo-section):not(.offers-section-dark) .section-subtitle {
        font-size: 15px; /* 🔽 Mobile : 16px → 15px */
        padding: 12px 22px; /* 🔽 Mobile : 14px 25px → 12px 22px */
    }
}

@media (max-width: 480px) {
    .offers-section:not(.combo-section):not(.offers-section-dark) .section-title {
        font-size: 24px; /* 🔽 Très petit écran : 28px → 24px */
    }
    
    .offers-section:not(.combo-section):not(.offers-section-dark) .section-subtitle {
        font-size: 14px; /* 🔽 Très petit écran : 15px → 14px */
        padding: 10px 18px; /* 🔽 Très petit écran : 12px 20px → 10px 18px */
    }
}