/* ==========================================================================
   1. VARIABLES & CHARTE GRAPHIQUE GLOBALE
   ========================================================================== */
:root {
    /* Palette Officielle */
    --color-yellow: #FFD700;
    --color-green: #2E8B57;
    --color-blue: #0054A6;
    --color-dark-blue: #242254;
    
    /* Arrière-plans & Contrastes */
    --bg-white: #FFFFFF;
    --bg-light-gray: #F8FAFC; 
    --bg-light-green: #F4F9F6; 
    
    /* Typographie & Couleurs de texte */
    --text-dark: #1E293B;
    --text-muted: #64748B;
    --text-light: rgba(255, 255, 255, 0.85);
    
    /* Polices */
    --font-primary: 'Telegraf', 'Poppins', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* Structure & Espacements de l'Interface */
    --section-padding: 120px 0;
    --container-width: 1240px;
    
    /* Effets Premium */
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 25px 60px rgba(36, 34, 84, 0.12);
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s ease;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
}

/* ==========================================================================
   2. RESET & STYLES GLOBAUX
   ========================================================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { 
    font-family: var(--font-secondary); 
    background-color: var(--bg-white); 
    color: var(--text-dark); 
    line-height: 1.7; 
    overflow-x: hidden; 
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition-fast); }
ul { list-style: none; }
img, video { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.section-padding { padding: var(--section-padding); }
.mt-4 { margin-top: 32px; }
.center-text { text-align: center; }

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

h1, h2, h3, h4, .logo { font-family: var(--font-primary); font-weight: 700; line-height: 1.2; color: var(--color-dark-blue); }
.text-white { color: var(--bg-white) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-light { color: var(--text-light) !important; }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ==========================================================================
   3. BOUTONS & LIENS
   ========================================================================== */
.btn { 
    display: inline-flex; align-items: center; justify-content: center;
    padding: 16px 40px; border-radius: 50px; font-weight: 600; font-size: 1.05rem; 
    cursor: pointer; border: none; transition: var(--transition-fast); 
    letter-spacing: 0.5px; text-align: center;
}
.btn-large { padding: 20px 50px; font-size: 1.15rem; }

.btn-primary { background-color: var(--color-yellow); color: var(--color-dark-blue); }
.btn-primary:hover { background-color: #E6C200; transform: translateY(-4px); box-shadow: 0 10px 25px rgba(255, 215, 0, 0.4); }

.btn-secondary { background-color: var(--color-green); color: var(--bg-white); }
.btn-secondary:hover { background-color: #246B43; transform: translateY(-4px); box-shadow: 0 10px 25px rgba(46, 139, 87, 0.25); }

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

/* ==========================================================================
   4. DOUBLE HEADER
   ========================================================================== */
.header-wrapper { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; transition: var(--transition-fast); }

.ticker-band {
    background-color: var(--color-yellow);
    color: var(--color-dark-blue);
    height: 36px; display: flex; align-items: center;
    overflow: hidden; border-bottom: 1px solid rgba(0,0,0,0.05);
}
.ticker-wrapper { width: 100%; overflow: hidden; white-space: nowrap; }
.ticker-content { display: inline-block; animation: marquee 50s linear infinite; font-size: 0.75rem; font-weight: 600; letter-spacing: 2px; }
.ticker-content:hover { animation-play-state: paused; }
.ticker-sep { margin: 0 50px; color: var(--color-green); opacity: 0.4; font-weight: 300; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

.main-header { background-color: var(--color-green); transition: var(--transition-fast); }
.header-container { display: flex; justify-content: space-between; align-items: center; height: 85px; transition: var(--transition-fast); }

.logo { display: flex; flex-direction: column; }
.logo-pischon { font-size: 1.7rem; color: var(--bg-white); font-weight: 700; letter-spacing: 1px; }
.logo-solar { font-size: 0.75rem; color: rgba(255, 255, 255, 0.7); letter-spacing: 4px; display: block; }

.nav-list { display: flex; align-items: center; gap: 40px; }
.nav-link { font-weight: 500; color: var(--bg-white); font-size: 0.95rem; position: relative; padding: 5px 0; letter-spacing: 0.5px; }
.nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background-color: var(--color-yellow); transition: var(--transition-fast); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.header-wrapper.scrolled { box-shadow: 0 15px 40px rgba(0,0,0,0.15); }
.header-wrapper.scrolled .ticker-band { height: 0; border: none; } 
.header-wrapper.scrolled .header-container { height: 70px; }

/* ==========================================================================
   5. HERO SECTION
   ========================================================================== */
.hero-fullscreen {
    position: relative; height: 100vh; min-height: 750px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; padding-top: 120px; 
}
.hero-media-wrapper { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.hero-image { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.65); 
}

.hero-content-center { position: relative; z-index: 2; text-align: center; max-width: 1000px; padding: 0 20px; }
.hero-title { font-size: 5.5rem; color: var(--bg-white); margin-bottom: 24px; letter-spacing: -2px; line-height: 1.1; text-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.hero-subtitle { font-size: 1.5rem; color: rgba(255, 255, 255, 0.9); margin-bottom: 50px; font-weight: 300; max-width: 800px; margin-inline: auto; }
.hero-actions-center { display: flex; justify-content: center; gap: 24px; }

/* ==========================================================================
   6. SECTION APERÇU SERVICES & EN-TÊTES
   ========================================================================== */
.section-header { margin-bottom: 80px; position: relative; }
.header-line { width: 60px; height: 4px; background-color: var(--color-yellow); margin: 24px auto 0; border-radius: 2px; }
.section-title { font-size: 3rem; color: var(--color-dark-blue); letter-spacing: -1px; }

.section-subtitle { font-size: 1.15rem; color: var(--text-muted); margin-top: 20px; max-width: 700px; margin-left: auto; margin-right: auto; line-height: 1.6; }

.visual-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }
.visual-card { 
    background: var(--bg-white); border-radius: var(--border-radius-lg); 
    overflow: hidden; box-shadow: var(--shadow-soft); transition: var(--transition-smooth);
    border: 1px solid rgba(0,0,0,0.03);
    display: flex; flex-direction: column;
}
.visual-card:hover { transform: translateY(-15px); box-shadow: var(--shadow-lg); }

.card-image { height: 220px; overflow: hidden; position: relative; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.visual-card:hover .card-image img { transform: scale(1.1); } 

.card-content { padding: 35px 25px; text-align: center; flex-grow: 1; display: flex; flex-direction: column; justify-content: center;}
.card-content h3 { font-size: 1.4rem; margin-bottom: 12px; color: var(--color-dark-blue); }
.card-content p { color: var(--text-muted); font-size: 1rem; line-height: 1.6; margin: 0; }

/* ==========================================================================
   7. SECTION TEXTE & BOUTON
   ========================================================================== */
.intro-section { text-align: center; }
.intro-container { max-width: 900px; margin: 0 auto; }
.intro-text { font-size: 2.2rem; font-weight: 400; color: var(--color-dark-blue); line-height: 1.5; margin-bottom: 40px; }

/* ==========================================================================
   8. SECTION VIDÉO
   ========================================================================== */
.video-section { overflow: hidden; }
.video-container {
    max-width: 900px; margin: 0 auto;
    border-radius: var(--border-radius-lg); overflow: hidden;
    background-color: #000; 
    aspect-ratio: 16/9; 
}
.responsive-video { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ==========================================================================
   9. SECTION IMMERSION (Parallax)
   ========================================================================== */
.parallax-section {
    position: relative; height: 500px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; background-color: var(--color-dark-blue);
}
.parallax-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center; background-attachment: fixed; 
    z-index: 1;
}
.parallax-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 84, 166, 0.7); 
    z-index: 2;
}
.parallax-content {
    position: relative; z-index: 3; text-align: center; color: var(--bg-white);
    max-width: 800px;
}
.parallax-content p { font-size: 1.5rem; font-weight: 300; }

/* ==========================================================================
   10. CONTACT RAPIDE
   ========================================================================== */
.quick-contact-section { text-align: center; }
.quick-contact-container { 
    padding: 100px 40px; max-width: 900px; 
    background-color: var(--bg-white); border-radius: var(--border-radius-lg);
    border-top: 6px solid var(--color-green);
}
.contact-title { font-size: 3rem; margin-bottom: 24px; letter-spacing: -1px; }
.contact-subtitle { font-size: 1.25rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; line-height: 1.6; }

/* ==========================================================================
   11. FOOTER
   ========================================================================== */
.site-footer { background-color: var(--color-dark-blue); padding: 100px 0 0; color: var(--text-light); }
.footer-container { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 80px; margin-bottom: 80px; }

.footer-desc { font-size: 1.05rem; line-height: 1.8; max-width: 400px; }
.footer-links h4, .footer-contact h4 { color: var(--color-yellow); font-size: 1.3rem; margin-bottom: 30px; letter-spacing: 1px; }

.footer-links ul li { margin-bottom: 16px; font-size: 1.05rem; }
.footer-links ul li a { transition: var(--transition-fast); }
.footer-links ul li a:hover { color: var(--color-yellow) !important; padding-left: 8px; }

.contact-details-list li { margin-bottom: 20px; font-size: 1.05rem; display: flex; flex-direction: column; gap: 4px; }
.contact-details-list strong { color: var(--bg-white); font-weight: 600; }
.contact-details-list a:hover { color: var(--color-yellow) !important; }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 30px 0; font-size: 0.9rem; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.legal-links { display: flex; gap: 24px; }
.legal-links a:hover { color: var(--bg-white); }

/* ==========================================================================
   12. ANIMATIONS AU DÉFILEMENT
   ========================================================================== */
.fade-in { opacity: 0; transition: opacity 1s ease-out; }
.fade-in.visible { opacity: 1; }
.fade-in-up { opacity: 0; transform: translateY(60px); transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1); }
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   13. RESPONSIVE DESIGN (Mobiles & Tablettes)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-title { font-size: 4.5rem; }
    .footer-container { grid-template-columns: 1fr 1fr; gap: 60px; }
    .visual-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .section-padding { padding: 80px 0; }
    .hero-fullscreen { min-height: 600px; padding-top: 100px; }
    .hero-title { font-size: 3rem; letter-spacing: -1px; }
    .hero-subtitle { font-size: 1.2rem; }
    .hero-actions-center { flex-direction: column; gap: 16px; width: 100%; }
    .hero-actions-center .btn { width: 100%; }
    
    .visual-grid { grid-template-columns: 1fr; }
    .intro-text { font-size: 1.6rem; }
    .section-title { font-size: 2.2rem; }
    
    .parallax-section { height: 400px; }
    .parallax-content h2 { font-size: 2.2rem; }
    .quick-contact-container { padding: 60px 20px; }
    
    .mobile-menu-toggle { display: block; background: none; border: none; cursor: pointer; width: 30px; height: 20px; position: relative; z-index: 1001; }
    .mobile-menu-toggle span { position: absolute; width: 100%; height: 2px; background-color: var(--bg-white); transition: var(--transition-fast); }
    .mobile-menu-toggle span:nth-child(1) { top: 0; }
    .mobile-menu-toggle span:nth-child(2) { top: 9px; }
    .mobile-menu-toggle span:nth-child(3) { top: 18px; }
    
    .main-nav { position: fixed; top: 0; right: -100%; width: 100%; height: 100vh; background-color: var(--color-green); display: flex; justify-content: center; align-items: center; transition: var(--transition-smooth); z-index: 1000; }
    .main-nav.active { right: 0; }
    .nav-list { flex-direction: column; text-align: center; gap: 30px; }
    .nav-list { flex-direction: column; text-align: center; gap: 30px; }
    .nav-link { font-size: 1.5rem; }
    
    .footer-container { grid-template-columns: 1fr; text-align: center; }
    .flex-between { flex-direction: column; gap: 20px; text-align: center; }
    .legal-links { justify-content: center; flex-wrap: wrap; }
}

/* ==========================================================================
   MODIFICATIONS LOGO & BRANDING
   ========================================================================== */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 15px; 
    text-decoration: none;
    transition: var(--transition-fast);
}

.brand-logo:hover {
    opacity: 0.9;
}

.nav-logo {
    height: 65px; 
    width: auto;
    display: block;
    object-fit: contain;
}

.footer-logo-img {
    height: 80px; 
    width: auto;
    display: block;
    object-fit: contain;
}

.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-title {
    color: var(--bg-white);
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 1px;
}

.brand-subtitle {
    color: rgba(255, 255, 255, 0.7); 
    font-family: var(--font-secondary);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.footer-brand-logo {
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .nav-logo { height: 45px; }
    .brand-title { font-size: 1.2rem; }
    .brand-subtitle { font-size: 0.6rem; letter-spacing: 2px; }
}

/* ==========================================================================
   CORRECTION ALIGNEMENT PARALLAX
   ========================================================================== */
.parallax-flex-center {
    display: flex;
    flex-direction: column; 
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px; 
}

.parallax-flex-center .parallax-logo {
    height: 75px; 
    width: auto;
    margin-bottom: 0; 
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
}

.parallax-flex-center h2 {
    margin-bottom: 0;
    text-align: center;
    color: var(--bg-white);
    font-size: 3.5rem;
    line-height: 1.2;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.text-highlight-yellow {
    color: var(--color-yellow);
    font-weight: 700;
    display: inline-block;
    margin-top: 5px;
}

@media (max-width: 768px) {
    .parallax-flex-center { gap: 15px; }
    .parallax-flex-center .parallax-logo { height: 55px; }
    .parallax-flex-center h2 { font-size: 2.2rem; }
}

/* ==========================================================================
   PAGE SERVICES
   ========================================================================== */
.services-page .main-header { background-color: var(--color-blue); }
.services-page .ticker-sep { color: var(--color-blue); }
.bg-light-blue { background-color: #EBF5FF; }
.text-blue { color: var(--color-blue) !important; }
.line-blue { background-color: var(--color-blue) !important; }

.hero-services {
    position: relative; height: 50vh; min-height: 400px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; padding-top: 120px;
}
.hero-services .hero-overlay.blue-overlay {
    background: linear-gradient(135deg, rgba(0, 84, 166, 0.8) 0%, rgba(36, 34, 84, 0.9) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.services-page .visual-card {
    border: none;
    box-shadow: 0 15px 35px rgba(0, 84, 166, 0.05); 
    border-bottom: 4px solid transparent;
    transition: var(--transition-smooth);
}

.services-page .visual-card:hover {
    border-bottom-color: var(--color-yellow); 
    transform: translateY(-12px);
    box-shadow: 0 25px 50px rgba(0, 84, 166, 0.15); 
}

.services-page .card-content {
    padding: 40px 30px; 
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    .services-grid article { grid-column: span 2; }
    .services-grid article:nth-child(4) { grid-column: 2 / span 2; }
    .services-grid article:nth-child(5) { grid-column: 4 / span 2; }
}

.impact-section {
    background: linear-gradient(135deg, var(--color-dark-blue) 0%, var(--color-blue) 100%);
    color: var(--bg-white);
    text-align: center;
    padding: 120px 20px; 
    position: relative;
}

.impact-section h2 {
    color: var(--color-yellow);
    font-size: 3.8rem; 
    margin-bottom: 24px;
    line-height: 1.2;
    letter-spacing: -1px;
    text-shadow: 0 4px 15px rgba(0,0,0,0.2); 
}

.impact-section p {
    font-size: 1.5rem;
    font-weight: 300;
    max-width: 800px;
    margin: 0 auto 40px auto; 
    color: rgba(255, 255, 255, 0.95);
}

@media (max-width: 768px) {
    .impact-section { padding: 80px 20px; }
    .impact-section h2 { font-size: 2.4rem; }
    .impact-section p { font-size: 1.2rem; margin-bottom: 30px; }
    .services-grid article:nth-child(4),
    .services-grid article:nth-child(5) { grid-column: auto; }
}

/* ==========================================================================
   PAGE PROJETS
   ========================================================================== */
.hero-projects {
    position: relative;
    height: 60vh; 
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 120px;
}

.hero-projects .hero-overlay.green-overlay {
    background: linear-gradient(135deg, rgba(36, 107, 67, 0.8) 0%, rgba(20, 40, 30, 0.9) 100%);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.portfolio-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition-smooth);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image-wrapper {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.portfolio-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-hover-content {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(46, 139, 87, 0.6); 
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-icon {
    font-size: 3rem;
    color: var(--bg-white);
    font-weight: 300;
    transform: scale(0.5);
    transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-image-wrapper img { transform: scale(1.12); }
.portfolio-card:hover .portfolio-hover-content { opacity: 1; }
.portfolio-card:hover .portfolio-icon { transform: scale(1); }

.portfolio-info { padding: 35px; }
.portfolio-info h3 { font-size: 1.6rem; color: var(--color-dark-blue); margin-bottom: 10px; }
.portfolio-info p { color: var(--color-green); font-weight: 500; font-size: 1.1rem; margin: 0; }

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.reason-card {
    background-color: var(--bg-light-green); 
    border-radius: var(--border-radius-sm);
    padding: 35px 30px;
    border-left: 4px solid var(--color-green); 
    transition: var(--transition-fast);
}

.reason-card:hover {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-soft);
    transform: translateX(5px); 
}

.reason-title {
    font-size: 1.3rem;
    color: var(--color-dark-blue);
    margin-bottom: 15px;
}

.reason-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    line-height: 1.5;
}

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

.reason-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 500;
}

.reason-list li span {
    font-size: 0.9rem;
    margin-top: 2px; 
}

/* ==========================================================================
   MODIFICATION CIBLÉE : CARTE ÉNERGIE FIABLE (FEATURED) 
   (Disposition "Picture-in-Picture" Premium)
   ========================================================================== */
.reason-card-featured {
    grid-column: 1 / -1; 
    display: flex;
    flex-direction: row;
    padding: 0; 
    overflow: hidden;
    background-color: var(--bg-white);
    border-left: 6px solid var(--color-green); 
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08); 
    border-radius: var(--border-radius-lg);
    transition: var(--transition-smooth);
}

.reason-card-featured:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(36, 34, 84, 0.15); 
}

.reason-featured-content {
    flex: 1;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.reason-card-featured .reason-title {
    font-size: 2.2rem; 
    color: var(--color-green);
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.reason-card-featured .reason-desc {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: var(--text-muted);
    line-height: 1.6;
}

.featured-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px 25px;
}

.reason-featured-image {
    flex: 1.2; 
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center; 
    justify-content: center;
    background-color: #F8FAFC; 
}

/* Image principale panoramique (Fond de la zone droite) */
.main-panoramic-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

/* Image secondaire (Incrustation "Picture-in-Picture") */
.secondary-small-img {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 220px; 
    height: 140px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    border: 6px solid var(--bg-white);
    box-shadow: 0 20px 40px rgba(0,0,0,0.25); 
    z-index: 2;
    transition: var(--transition-smooth);
}

.secondary-small-img:hover {
    transform: translateX(-50%) scale(1.05) translateY(-5px);
}

/* Adaptation pour Mobile et Tablettes */
@media (max-width: 992px) {
    .reason-card-featured {
        flex-direction: column;
    }
    .reason-featured-image {
        min-height: 350px;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .portfolio-grid { grid-template-columns: 1fr; }
    .portfolio-image-wrapper { height: 240px; }
    .reasons-grid { grid-template-columns: 1fr; }
    
    .featured-list {
        grid-template-columns: 1fr; 
    }
    .reason-featured-content {
        padding: 30px 20px;
    }
    .reason-card-featured .reason-title {
        font-size: 1.8rem;
    }
    .secondary-small-img {
        width: 180px; 
        height: 110px;
        bottom: 20px;
    }
}

/* ==========================================================================
   PAGE À PROPOS 
   ========================================================================== */
.about-page .main-header { background-color: #475569; }
.text-gray { color: #334155 !important; }
.line-yellow { background-color: var(--color-yellow) !important; }
.line-left { margin: 24px 0 0 0 !important; }

.hero-about {
    position: relative; height: 55vh; min-height: 450px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; padding-top: 120px;
}

.hero-about .hero-overlay.gray-overlay {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.85) 0%, rgba(71, 85, 105, 0.7) 100%);
}

.hero-about .hero-subtitle { max-width: 900px; font-size: 1.3rem; line-height: 1.8; }

.mission-container { max-width: 900px; margin: 0 auto; }

.mission-content {
    background-color: var(--bg-white);
    padding: 60px 40px;
    border-radius: var(--border-radius-lg);
    border-top: 5px solid var(--color-yellow); 
    border-bottom: 5px solid #E2E8F0; 
    text-align: center;
}

.mission-text { font-size: 1.8rem; color: #475569; line-height: 1.6; font-weight: 300; }

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.value-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05); 
    border: 1px solid #E2E8F0; 
    transition: var(--transition-smooth);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-soft);
    border-color: var(--color-yellow); 
}

.value-icon-wrapper {
    width: 70px; height: 70px;
    background-color: #F8FAFC;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    border: 2px solid #E2E8F0;
    transition: var(--transition-fast);
}

.value-card:hover .value-icon-wrapper {
    border-color: var(--color-yellow);
    background-color: #FEF9C3; 
}

.value-icon { font-size: 1.8rem; }
.value-card h3 { font-size: 1.4rem; color: #334155; margin-bottom: 12px; }
.value-card p { color: var(--text-muted); font-size: 1rem; line-height: 1.5; }

.presentation-img-wrapper {
    aspect-ratio: 9/10;
    border: 10px solid #F1F5F9; 
}

/* Ajout pour la grille d'images de la section Présentation */
.about-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 10px;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.about-image-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.about-image-grid img:hover {
    transform: scale(1.05);
}

.presentation-text-col {
    display: flex; flex-direction: column; justify-content: center;
}

.presentation-heading { font-size: 3rem; color: #1E293B; line-height: 1.2; letter-spacing: -1px; }

.cta-about-section {
    background-color: #475569; 
    color: var(--bg-white);
    text-align: center;
    padding: 100px 20px;
}

.cta-about-section h2 {
    color: var(--bg-white);
    font-size: 3rem;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

@media (max-width: 768px) {
    .mission-text { font-size: 1.4rem; }
    .presentation-heading { font-size: 2.2rem; text-align: center; }
    .line-left { margin: 24px auto 0 !important; }
    .cta-about-section h2 { font-size: 2.2rem; }
}

/* ==========================================================================
   PAGE CONTACT
   ========================================================================== */
.contact-page .main-header {
    background-color: var(--bg-white);
    border-bottom: 1px solid #E2E8F0;
}
.contact-page .nav-link { color: var(--color-dark-blue); }
.contact-page .brand-title { color: var(--color-dark-blue); }
.contact-page .brand-subtitle { color: var(--text-muted); }
.contact-page .mobile-menu-toggle span { background-color: var(--color-dark-blue); }

.hero-contact {
    position: relative; height: 45vh; min-height: 350px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; padding-top: 120px;
}

.hero-contact .hero-overlay.yellow-overlay {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.85) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.text-dark-blue { color: var(--color-dark-blue) !important; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr; 
    gap: 40px;
}

.info-card {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    border-top: 5px solid var(--color-yellow);
    height: 100%;
}

.info-card h3 { font-size: 1.8rem; margin-bottom: 15px; }

.info-item {
    display: flex; align-items: flex-start; gap: 15px; margin-bottom: 25px;
}

.info-icon {
    font-size: 1.5rem; background: #FFFBEB;
    width: 45px; height: 45px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
}

.info-item h4 { font-size: 1.1rem; margin-bottom: 5px; }
.info-item a, .info-item span { color: var(--text-muted); font-size: 0.95rem; }
.info-item a:hover { color: var(--color-yellow); }

.form-wrapper { padding: 50px; border-radius: var(--border-radius-lg); }
.form-wrapper h2 { font-size: 2.2rem; margin-bottom: 30px; color: var(--color-dark-blue); }

.premium-form .form-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 25px; margin-bottom: 25px;
}

.premium-form .form-group { display: flex; flex-direction: column; }
.premium-form .full-width { grid-column: 1 / -1; margin-bottom: 25px; }
.premium-form label { font-size: 0.95rem; font-weight: 600; color: var(--color-dark-blue); margin-bottom: 8px; }
.premium-form .required { color: #ef4444; }

.premium-form input,
.premium-form select,
.premium-form textarea {
    width: 100%; padding: 16px 20px; font-family: var(--font-secondary);
    font-size: 1rem; color: var(--text-dark); background-color: #F8FAFC; 
    border: 1px solid #E2E8F0; border-radius: var(--border-radius-sm);
    transition: all 0.3s ease; outline: none;
}

.select-wrapper { position: relative; }
.select-wrapper::after {
    content: "▼"; font-size: 0.8rem; color: var(--text-muted);
    position: absolute; right: 20px; top: 50%; transform: translateY(-50%); pointer-events: none;
}
.premium-form select { appearance: none; cursor: pointer; }

.premium-form input:hover,
.premium-form select:hover,
.premium-form textarea:hover { border-color: #CBD5E1; }

.premium-form input:focus,
.premium-form select:focus,
.premium-form textarea:focus {
    background-color: var(--bg-white); border-color: var(--color-yellow);
    box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.15); 
}

.btn-submit-premium {
    width: 100%; padding: 18px; font-size: 1.15rem; font-weight: 600;
    font-family: var(--font-secondary); color: var(--color-dark-blue);
    background: linear-gradient(135deg, #FFD700 0%, #FBBF24 100%); 
    border: none; border-radius: var(--border-radius-sm);
    cursor: pointer; transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.btn-submit-premium:hover { transform: scale(1.02); box-shadow: 0 15px 30px rgba(255, 215, 0, 0.35); }
.btn-submit-premium:active { transform: scale(0.98); }

.success-message {
    background-color: #ECFDF5; color: #059669; padding: 20px;
    border-radius: var(--border-radius-sm); border-left: 5px solid #10B981;
    margin-bottom: 30px; font-weight: 500; font-size: 1.05rem;
    animation: fadeInDown 0.5s ease;
}

.hidden { display: none !important; }

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

@media (max-width: 992px) {
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .premium-form .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-wrapper { padding: 30px 20px; }
}