/* ==========================================================================
   H3S-INFORMATIQUE - MAIN STYLESHEET (Ultra Dynamic & Responsive Design)
   ========================================================================== */

:root {
    --primary-color: #0d6efd;
    --primary-dark: #004ecc;
    --primary-gradient: linear-gradient(135deg, #0d6efd 0%, #00d2ff 100%);
    --accent-green: #10b981;
    --accent-green-dark: #059669;
    --whatsapp-color: #25D366;
    --whatsapp-hover: #1eb956;
    --dark-bg: #0b132b;
    --dark-surface: #1c2541;
    --dark-card: #222e50;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 25px rgba(13, 110, 253, 0.35);
    --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base & Typo --- */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-main);
    overflow-x: hidden;
}

/* --- Animations de Défilement (Scroll Reveal) --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active, .reveal-left.active, .reveal-right.active, .reveal-scale.active {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* --- Navigation --- */
.navbar {
    background: rgba(11, 19, 43, 0.92) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition-smooth);
}

.navbar-brand {
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85) !important;
    padding: 8px 14px !important;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: #38bdf8 !important;
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn-quote {
    background: var(--primary-gradient);
    color: white !important;
    border-radius: 50px;
    padding: 8px 20px !important;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.4);
    transition: var(--transition-smooth);
}

.nav-btn-quote:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.6);
}

/* --- Hero Section Immersive --- */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #090d1a 0%, #0b132b 50%, #172554 100%);
    color: white;
    padding: 130px 0 100px;
    overflow: hidden;
}

/* Orbes lumineux en arrière-plan */
.hero-section::before {
    content: "";
    position: absolute;
    top: -10%;
    left: 20%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(13, 110, 253, 0.35) 0%, rgba(13, 110, 253, 0) 70%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    animation: floatGlow 8s ease-in-out infinite alternate;
}

.hero-section::after {
    content: "";
    position: absolute;
    bottom: -10%;
    right: 15%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 210, 255, 0.25) 0%, rgba(0, 210, 255, 0) 70%);
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
    animation: floatGlow 10s ease-in-out infinite alternate-reverse;
}

@keyframes floatGlow {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(40px) scale(1.15); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    color: #38bdf8;
    padding: 7px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: pulseBadge 3s infinite ease-in-out;
}

.hero-badge .pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
    display: inline-block;
}

@keyframes pulseBadge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); border-color: rgba(56, 189, 248, 0.5); }
}

.hero-title {
    font-weight: 800;
    font-size: 3.8rem;
    line-height: 1.15;
    letter-spacing: -1px;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #ffffff 30%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-dynamic-subtitle {
    font-size: 1.35rem;
    color: #94a3b8;
    min-height: 2em;
}

.typing-cursor {
    display: inline-block;
    color: #38bdf8;
    font-weight: 300;
    animation: blink 0.9s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* --- Cartes de Statistiques / Preuve Sociale dans le Hero --- */
.stats-container {
    margin-top: 50px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: 20px 15px;
    text-align: center;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(56, 189, 248, 0.4);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #38bdf8;
    display: block;
    margin-bottom: 2px;
}

.stat-label {
    font-size: 0.85rem;
    color: #cbd5e1;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Bandeau Tech Stack / Confiance --- */
.tech-trust-bar {
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    padding: 25px 0;
}

.tech-badge-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #475569;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: 50px;
    background: #f1f5f9;
    transition: var(--transition-smooth);
}

.tech-badge-item:hover {
    color: var(--primary-color);
    background: #e0f2fe;
    transform: translateY(-2px);
}

/* --- Cartes de Services (Modern Glass & Glow) --- */
.section-title-wrap {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-block;
    color: var(--primary-color);
    background: rgba(13, 110, 253, 0.1);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 12px;
}

.service-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid #e2e8f0;
    padding: 35px 25px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-subtle);
    z-index: 1;
}

.service-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
    border-color: #cbd5e1;
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon-wrap {
    width: 65px;
    height: 65px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(0, 210, 255, 0.15));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 22px;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon-wrap {
    background: var(--primary-gradient);
    color: #ffffff;
    transform: scale(1.08) rotate(5deg);
    box-shadow: var(--shadow-glow);
}

.service-card h5 {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: #0f172a;
}

.service-feature-list {
    list-style: none;
    padding: 0;
    margin: 18px 0;
    text-align: left;
}

.service-feature-list li {
    font-size: 0.9rem;
    color: #475569;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-feature-list li i {
    color: var(--accent-green);
    font-size: 0.85rem;
}

/* --- Section Slider Annonces (Amélioré) --- */
.h3s-annonces-section {
    width: 100%;
    padding: 70px 20px;
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
    display: flex;
    justify-content: center;
}

.h3s-slider-container {
    max-width: 1140px;
    width: 100%;
    position: relative;
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    padding: 40px;
    border: 1px solid #e2e8f0;
}

.h3s-slide {
    display: none;
    align-items: center;
    gap: 45px;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

.h3s-slide.active {
    display: flex;
    opacity: 1;
}

.h3s-slide-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.h3s-slide-image img {
    width: 100%;
    max-width: 480px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    object-fit: cover;
    transition: transform 0.4s ease;
}

.h3s-slide:hover .h3s-slide-image img {
    transform: scale(1.02);
}

.h3s-slide-content {
    flex: 1.2;
    text-align: left;
}

.h3s-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.h3s-slide-content h2 {
    font-size: 2.1rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 15px;
    line-height: 1.25;
}

.h3s-description {
    font-size: 1rem;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 12px;
}

.h3s-subdescription {
    font-size: 0.92rem;
    color: #64748b;
    line-height: 1.5;
    margin-bottom: 25px;
}

.h3s-btn-group {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.h3s-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-gradient);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.h3s-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.5);
    color: #ffffff;
}

.h3s-btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--whatsapp-color);
    color: #ffffff;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.h3s-btn-whatsapp:hover {
    background-color: var(--whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.45);
    color: #ffffff;
}

.h3s-dots-container {
    text-align: center;
    margin-top: 25px;
}

.h3s-dot {
    cursor: pointer;
    height: 10px;
    width: 10px;
    margin: 0 6px;
    background-color: #cbd5e1;
    border-radius: 50%;
    display: inline-block;
    transition: all 0.3s ease;
}

.h3s-dot.active, .h3s-dot:hover {
    background: var(--primary-color);
    width: 30px;
    border-radius: 10px;
}

/* --- Section StockHub Showcase --- */
.stockhub-section {
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
}

.stockhub-badge {
    background: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 50px;
}

.stockhub-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 25px 0;
}

.stockhub-feat-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 10px;
}

.stockhub-feat-item i {
    color: var(--accent-green);
    font-size: 1.1rem;
}

/* --- WIDGET : Simulateur de Devis Express (PROSPECT MAGNET) --- */
.devis-simulator-section {
    background: linear-gradient(135deg, #0b132b 0%, #172554 100%);
    color: #ffffff;
    padding: 80px 0;
    position: relative;
}

.simulator-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(15px);
    border-radius: var(--radius-lg);
    padding: 35px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.sim-step-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #38bdf8;
    margin-bottom: 15px;
}

.sim-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
    margin-bottom: 25px;
}

.sim-option-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    user-select: none;
}

.sim-option-card i {
    font-size: 1.6rem;
    margin-bottom: 8px;
    display: block;
    color: #94a3b8;
    transition: var(--transition-smooth);
}

.sim-option-card .opt-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #f1f5f9;
}

.sim-option-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(56, 189, 248, 0.5);
}

.sim-option-card.selected {
    background: rgba(13, 110, 253, 0.25);
    border-color: #38bdf8;
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
}

.sim-option-card.selected i {
    color: #38bdf8;
    transform: scale(1.1);
}

.sim-result-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: var(--radius-md);
    padding: 25px;
    text-align: center;
}

.sim-price-range {
    font-size: 2.2rem;
    font-weight: 800;
    color: #38bdf8;
    line-height: 1.1;
    margin: 10px 0;
}

.sim-delai-tag {
    display: inline-block;
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.4);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}

/* --- Section Processus de Travail (4 étapes) --- */
.process-section {
    padding: 80px 0;
    background: #ffffff;
}

.process-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 30px 20px;
    text-align: center;
    position: relative;
    transition: var(--transition-smooth);
    height: 100%;
}

.process-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
    background: #ffffff;
}

.process-step-num {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 34px;
    height: 34px;
    background: var(--primary-gradient);
    color: white;
    font-weight: 800;
    font-size: 0.95rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(13, 110, 253, 0.3);
}

.process-icon {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin: 15px 0 12px;
}

/* --- Section FAQ --- */
.faq-section {
    padding: 80px 0;
    background: #f8fafc;
}

.accordion-item {
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md) !important;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
}

.accordion-button {
    font-weight: 600;
    font-size: 1.05rem;
    color: #0f172a;
    padding: 18px 22px;
}

.accordion-button:not(.collapsed) {
    background-color: #eff6ff;
    color: var(--primary-color);
    box-shadow: none;
}

.accordion-body {
    color: #475569;
    line-height: 1.7;
    font-size: 0.95rem;
    padding: 20px 22px;
}

/* --- Boutons Flottants (Mobile & Desktop) --- */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--whatsapp-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.floating-whatsapp-btn:hover {
    transform: scale(1.1) rotate(10deg);
    background-color: var(--whatsapp-hover);
    color: white;
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 18px;
    height: 18px;
    background-color: #ef4444;
    border-radius: 50%;
    border: 2px solid #ffffff;
}

/* Barre de contact rapide sur mobile */
.mobile-quick-cta-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
    padding: 10px 15px;
    border-top: 1px solid #e2e8f0;
}

/* Bouton Retour en Haut */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 45px;
    height: 45px;
    background: #0f172a;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 990;
    border: none;
    cursor: pointer;
}

.back-to-top-btn.visible {
    opacity: 0.8;
    visibility: visible;
}

.back-to-top-btn:hover {
    opacity: 1;
    transform: translateY(-4px);
    background: var(--primary-color);
}

/* --- Responsive Media Queries --- */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.8rem;
    }
    .stockhub-features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 60px;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-dynamic-subtitle {
        font-size: 1.1rem;
    }
    .h3s-slider-container {
        padding: 20px;
    }
    .h3s-slide.active {
        flex-direction: column;
        text-align: center;
    }
    .h3s-slide-content {
        text-align: center;
    }
    .h3s-slide-content h2 {
        font-size: 1.5rem;
    }
    .h3s-btn-group {
        justify-content: center;
    }
    .simulator-card {
        padding: 20px 15px;
    }
    .floating-whatsapp-btn {
        bottom: 75px;
        right: 20px;
        width: 52px;
        height: 52px;
        font-size: 26px;
    }
    .mobile-quick-cta-bar {
        display: flex;
        gap: 10px;
    }
    body {
        padding-bottom: 60px;
    }
}