@font-face {
  font-display: swap; 
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400;
  src: url('fonts/plus-jakarta-sans-v12-latin-regular.woff2') format('woff2'); 
}

@font-face {
  font-display: swap; 
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 600;
  src: url('fonts/plus-jakarta-sans-v12-latin-600.woff2') format('woff2'); 
}

@font-face {
  font-display: swap; 
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 700;
  src: url('fonts/plus-jakarta-sans-v12-latin-700.woff2') format('woff2'); 
}

@font-face {
  font-display: swap; 
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 800;
  src: url('fonts/plus-jakarta-sans-v12-latin-800.woff2') format('woff2');
}


@font-face {
  font-display: swap; 
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 400;
  src: url('fonts/outfit-v15-latin-regular.woff2') format('woff2'); 
}

@font-face {
  font-display: swap;
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 700;
  src: url('fonts/outfit-v15-latin-700.woff2') format('woff2'); 
}


/* --- VARIABLES & DESIGN SYSTEM --- */
:root {

    --primary: #0ea5e9; 
    --primary-dark: #0284c7;
    --primary-ultra-dark:#027DBB;
    --secondary: #1c9fac; 
    --accent: #f59e0b;
    
    --dark: #0f172a; 
    /* --gray: #64748b;  */
    --gray: #515D70;
    --light: #f1f5f9; 
    --white: #ffffff;

    --radius: 16px;
    --container: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Outfit', sans-serif;
    color: var(--dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

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

/* --- UTILITIES --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section-py { padding: 100px 0; }
.text-center { text-align: center; } /* Ajouté pour centrer la FAQ */
.text-primary { color: var(--primary); }

/* --- LOGO TEXTE --- */
.logo-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: -0.5px;
    display: inline-block;
}

/* --- BOUTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-sm {
    padding: 10px 24px; 
    font-size: 0.9rem;
}

/* Bouton Primaire Simplifié (Une seule couleur) */
.btn-primary {
    background-color: var(--primary-ultra-dark); /* Couleur unie */
    color: var(--white);
    border: none;
    box-shadow: 0 4px 10px rgba(14, 165, 233, 0.3); /* Ombre plus douce */
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(14, 165, 233, 0.4);
}

.btn-outline {
    border: 2px solid var(--dark);
    color: var(--dark);
}
.btn-outline:hover {
    background: var(--dark);
    color: var(--white);
}

/* --- BADGES --- */
.badge {
    background: rgba(14, 165, 233, 0.1);
    color: var(---primary-ultra-dark);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    margin-bottom: 15px;
}

/* --- HEADER --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 15px 0;
}

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

.nav-menu { display: flex; gap: 40px; align-items: center; }
.nav-menu a { font-weight: 500; color: var(--gray); font-size: 0.95rem; }
.nav-menu a:hover { color: var(--primary); }
.nav-menu a.btn { color: white; } /* Correction pour que le texte du bouton reste blanc */

.hamburger { display: none; font-size: 1.5rem; cursor: pointer; }

/* --- HERO --- */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.1), transparent 40%),
                radial-gradient(circle at bottom left, rgba(28, 159, 172, 0.05), transparent 40%);
    position: relative;
    overflow: hidden;
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 24px;
    color: var(--dark);
}

.hero h1 span {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text; 
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-img-box {
    position: relative;
}

.hero-img-box img {
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

/* Float card on Hero */
.float-stat {
    position: absolute;
    background: white;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 15px;
    bottom: -30px;
    left: -30px;
    animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* --- STATS STRIP --- */
.stats-strip {
    background: var(--dark);
    color: white;
    padding: 60px 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
    gap: 30px;
}
.stat-item h3 { font-size: 3rem; color: var(--primary); margin-bottom: 5px; }
.stat-item p { font-size: 1.1rem; color: #94a3b8; }

/* --- SERVICES (CARDS) --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    padding: 40px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 40px -10px rgba(14, 165, 233, 0.15);
    transform: translateY(-5px);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 25px;
}

/* --- COMPARISON (Pourquoi ça marche) --- */
.comparison { background: var(--light); }
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.check-list li {
    display: flex;
    align-items: start;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 1.1rem;
}
.check-list i { color: #10b981; margin-top: 5px; background: rgba(16, 185, 129, 0.1); padding: 5px; border-radius: 50%; }

/* --- TARGET AUDIENCE --- */
.audience-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}
.tab-btn {
    padding: 15px 40px;
    border-radius: 50px;
    background: white;
    border: 1px solid #e2e8f0;
    font-weight: 600;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
}
.tab-btn.active {
    background: var(--dark);
    color: white;
    border-color: var(--dark);
}

/* --- CONTACT CTA --- */
.cta-section {
    background: linear-gradient(135deg, var(--dark) 0%, #1e293b 100%);
    color: white;
    border-radius: 24px;
    padding: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 300px; height: 300px;
    background: var(--primary);
    filter: blur(150px);
    opacity: 0.2;
}

/* --- FOOTER --- */
footer { background: #0f172a; color: #94a3b8; padding: 80px 0 30px 0; font-size: 0.95rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 60px; }
footer h3 { color: white; margin-bottom: 25px; font-size: 1.1rem; }
.footer-links a { display: block; margin-bottom: 12px; transition: 0.3s; }
.footer-links a:hover { color: var(--primary); padding-left: 5px; }
.footer-bottom { border-top: 1px solid #1e293b; padding-top: 30px; text-align: center; }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {

    footer .container { padding-left: 25px !important; padding-right: 25px !important;}
    .footer-grid { grid-template-columns: 1fr; gap: 50px; }
    .hero h1 { font-size: 2.8rem; }
    .hero-wrapper, .comparison-grid, .footer-grid { grid-template-columns: 1fr; }
    .hero-wrapper { gap: 40px; text-align: center; }
    .hero-wrapper .btn { width: 100%; justify-content: center; }
    .hero-img-box { order: -1; }
    .nav-menu { display: none; } 
    .hamburger { display: block; }
    .stats-grid { grid-template-columns: 1fr; gap: 40px; }
    .cta-section { padding: 40px 20px; }
}

@media (max-width: 900px) {
    .card[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    .card[style*="grid-template-columns: 1fr 1fr"] > div:first-child {
        min-height: 250px !important;
    }
}

/* --- CSS SPECIFIQUE PAGE SOLUTIONS --- */

/* Ajustement pour les listes techniques avec icônes */
.tech-list li {
    padding-left: 0;
    margin-bottom: 30px;
    border-left: 3px solid var(--light);
    padding-left: 20px;
    transition: var(--transition);
}

.tech-list li:hover {
    border-left-color: var(--primary);
}

/* Fausses icônes pour le fun (si FontAwesome manque une icône spécifique) */
.fa-mirror:before { content: "\f2d0"; } /* window-maximize proche d'un miroir */
.fa-radiation-alt:before { content: "\f7ba"; } /* Icone chaleur/radiation */

/* Petits ajustements pour les cartes matériaux */
.card h4 {
    margin-top: 10px;
    margin-bottom: 10px;
    color: var(--dark);
}


/* --- UTILITAIRES PAGES LEGALES (Confidentialité, Mentions, CGV) --- */

.page-header {
    padding-top: 140px;
    padding-bottom: 40px;
}

.text-gray { color: var(--gray); }
.text-dark { color: var(--dark); }
.text-white { color: var(--white); }

/* Espacements */
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mt-15 { margin-top: 15px; }

/* Listes à puces dans les cartes */
.content-list {
    margin-top: 15px;
    padding-left: 20px;
    color: var(--dark);
    list-style-type: disc;
}

/* Texte spécifique footer */
.footer-desc {
    line-height: 1.8;
}

/* --- COMPLEMENTS POUR NETTOYAGE HTML (SANS DOUBLONS) --- */

/* Typographie supplémentaire */
.text-sm { font-size: 0.9rem; }
.font-bold { font-weight: 700; }

/* Marges supplémentaires (celles qui manquaient) */
.mt-5 { margin-top: 5px; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }

/* Mise en page Hero (Nouveau) */
.hero-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}
.hero-features {
    margin-top: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--gray);
}
.float-icon {
    background: rgba(14, 165, 233, 0.1); 
    padding: 10px; 
    border-radius: 50%; 
    color: var(--primary);
}

/* En-têtes de section centrés */
.section-intro {
    max-width: 800px; 
    margin: 0 auto 50px auto;
}

/* Couleurs spécifiques icônes (Cartes) */
.icon-bg-orange { background: rgba(245, 158, 11, 0.1); color: var(--accent); }
.icon-bg-primary { background: rgba(14, 165, 233, 0.1); color: var(--primary); }
.icon-bg-green { background: rgba(16, 185, 129, 0.1); color: #10b981; }

/* images & Ombres */
.img-rounded-shadow {
    border-radius: 24px; 
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.card-img {
    height: 200px; 
    width: 100%; 
    object-fit: cover; 
    border-radius: 8px; 
    margin-bottom: 20px;
}

/* Boîtes Thermiques (Comparaison) */
.thermal-box {
    background: var(--light); 
    padding: 20px; 
    border-radius: 12px; 
    margin-bottom: 20px;
}
.border-accent { border-left: 4px solid var(--accent); }
.border-primary { border-left: 4px solid var(--primary); }

/* Accordéon Contenu */
.accordion-content {
    padding: 0 25px 25px 25px; 
    color: var(--gray); 
    border-top: 1px solid #f1f5f9;
}

/* CTA Spécifique */
.cta-desc {
    margin: 20px auto; 
    max-width: 600px; 
    color: #cbd5e1;
}
.cta-actions {
    display: flex; 
    gap: 20px; 
    justify-content: center; 
    flex-wrap: wrap; 
    margin-top: 30px;
}

/* --- UTILITAIRES SPECIFIQUES PAGE PRO --- */

/* Section Cas Client (Dark) */
.bg-dark-gradient {
    background: linear-gradient(to right, #0f172a, #1e293b);
    color: var(--white);
}
.stat-border {
    border-left: 3px solid;
    padding-left: 20px;
}
/* Variations de couleurs de bordures */
.border-color-primary { border-color: var(--primary); }
.border-color-green { border-color: #10b981; }
.border-color-accent { border-color: var(--accent); }
.border-color-white { border-color: var(--white); }

/* Tableau Comparatif */
.table-responsive { 
    overflow-x: auto; /* Permet le scroll sur mobile */
}
.compare-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.compare-table th, 
.compare-table td { 
    padding: 15px; 
}
.table-head-row { border-bottom: 2px solid var(--dark); }
.table-body-row { border-bottom: 1px solid var(--light); }

/* Mises en avant dans le tableau */
.th-highlight {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
    border-radius: 8px 8px 0 0;
}
.td-highlight {
    background: rgba(14, 165, 233, 0.05);
    font-weight: 600;
}
.text-green { color: #10b981; }

/* --- UTILITAIRES SPECIFIQUES PAGE SOLUTIONS --- */

/* Couleurs Section "Problème" */
.icon-problem-red { background: #fee2e2; color: #ef4444; }
.icon-problem-orange { background: #ffedd5; color: #f97316; }
.icon-problem-dark { background: #f1f5f9; color: var(--dark); }

/* Section Matériaux (Icônes plus grandes) */
.icon-material { 
    font-size: 2.5rem; 
    margin-bottom: 15px; 
}
/* Couleurs spécifiques matériaux */
.text-brown { color: #b45309; }
.text-stone { color: #57534e; }
.text-blue { color: #3b82f6; }
.text-emerald { color: #059669; }

/* Section Environnement */
.badge-green { 
    background: rgba(16, 185, 129, 0.1); 
    color: #10b981; 
}
.flex-column-gap { 
    display: flex; 
    flex-direction: column; 
    gap: 20px; 
}
.eco-row { 
    display: flex; 
    gap: 15px; 
}
.icon-box-eco { 
    min-width: 50px; 
    height: 50px; 
    border-radius: 12px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 1.2rem; 
}
.bg-lime { background: #ecfccb; color: #65a30d; }
.bg-cyan { background: #cffafe; color: #0891b2; }

/* Liste Technique (Albédo/Émissivité) */
.tech-item { margin-bottom: 30px; }
.tech-header {
    display: flex; 
    align-items: center; 
    gap: 15px; 
    margin-bottom: 10px;
}
.tech-title {
    margin: 0; 
    font-size: 1.3rem;
}
.icon-tech { font-size: 1.5rem; color: var(--primary); }