/* Variables CSS - Palette Moderne */
:root {
    /* Palette Piscine (Bleu & Vert) */
    --piscine-blue-light: #4facfe;
    --piscine-blue-dark: #00f2fe;
    --piscine-green: #43e97b;
    --piscine-gradient: linear-gradient(135deg, #0ba360 0%, #3cba92 100%);
    --piscine-blue-gradient: linear-gradient(to right, #4facfe 0%, #00f2fe 100%);

    /* Palette Maçonnerie (Gris & Architectural) */
    --maconnerie-gray-light: #e0e0e0;
    --maconnerie-gray-medium: #757f9a;
    --maconnerie-gray-dark: #373b44;
    --maconnerie-gradient: linear-gradient(to right, #434343 0%, black 100%);

    /* Couleurs de base */
    --color-primary: #2196F3;
    --color-text-main: #2c3e50;
    --color-text-light: #546e7a;
    --color-white: #ffffff;
    --color-bg-light: #f8f9fa;
    
    /* UI */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 5px 15px rgba(0,0,0,0.1);
    --radius-md: 16px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-display: 'Segoe UI', system-ui, sans-serif;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    color: var(--color-text-main);
    line-height: 1.7;
    background-color: var(--color-bg-light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Header Moderne --- */

/* Top Bar */
.top-bar {
    background: #1a1c20;
    color: rgba(255,255,255,0.9);
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-contact a, 
.top-info span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.top-contact a:hover {
    color: var(--piscine-blue-light);
}

.top-bar i {
    color: var(--piscine-blue-light);
}

.separator {
    margin: 0 12px;
    opacity: 0.4;
}

/* Main Header */
.main-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.header-layout {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    min-height: 80px;
}

/* Logo & Identité */
.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.logo-img {
    height: 65px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.2;
}

.company-name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--maconnerie-gray-dark);
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

.company-name .highlight {
    background: var(--piscine-blue-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.company-tagline {
    font-size: 0.85rem;
    color: var(--maconnerie-gray-medium);
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* Navigation */
.nav-wrapper {
    display: flex;
    align-items: center;
}

.main-nav > ul {
    display: flex;
    align-items: center;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.main-nav > ul > li > a {
    font-weight: 600;
    color: var(--color-text-main);
    padding: 8px 0;
    position: relative;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.main-nav > ul > li > a:hover,
.main-nav > ul > li > a.active {
    color: var(--color-primary);
}

.main-nav > ul > li > a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--piscine-blue-gradient);
    transition: width 0.3s ease;
}

.main-nav > ul > li > a:hover::after,
.main-nav > ul > li > a.active::after {
    width: 100%;
}

/* Bouton CTA Menu */
.btn-header-cta {
    background: var(--piscine-blue-gradient);
    color: white !important;
    padding: 10px 24px !important;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.25);
    transition: all 0.3s ease !important;
    white-space: nowrap;
}

.btn-header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}

.btn-header-cta::after {
    display: none !important;
}

/* Dropdown */
.dropdown {
    position: relative;
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    min-width: 200px;
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.3s ease;
    z-index: 100;
    border: 1px solid rgba(0,0,0,0.05);
}

/* Affichage au survol (Desktop) */
@media (min-width: 969px) {
    .dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(5px);
    }
}

/* Classe active (pour mobile ou clic) */
.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(10px);
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--color-text-main);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
    padding-left: 25px;
}

/* Mobile Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-text-main);
    border-radius: 3px;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 85vh;
    min-height: 600px;
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

.hero-slider, .hero-slide {
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    transform: scale(1.1);
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1);
    transition: opacity 1.5s ease-in-out, transform 6s ease-out;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

.hero-content h2 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: 1.5rem;
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Sections Globales */
.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    margin: 1rem auto;
    background: var(--maconnerie-gray-medium);
    border-radius: 2px;
}

/* Thème Piscine */
.section-piscine {
    background: linear-gradient(to bottom, #f0faff, #e0f7fa);
    position: relative;
    overflow: hidden;
}

.section-piscine::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.1) 0%, rgba(255,255,255,0) 70%);
    pointer-events: none;
}

.section-piscine .section-title {
    color: #0288d1;
}

.section-piscine .section-title::after {
    background: var(--piscine-blue-gradient);
}

/* Thème Maçonnerie */
.section-maconnerie {
    background: var(--color-bg-light);
    border-top: 1px solid #e0e0e0;
}

.section-maconnerie .section-title {
    color: var(--maconnerie-gray-dark);
}

.section-maconnerie .section-title::after {
    background: var(--maconnerie-gray-medium);
}

/* Cards Modernes */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0,0,0,0.03);
    display: flex;
    flex-direction: column;
}

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

.card-image {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

.card-text {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* Avant/Après */
.before-after-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 40px 0;
}

.before-after-item {
    flex: 1;
    max-width: 48%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--color-white);
}

.before-after-item img {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.before-after-item h3 {
    text-align: center;
    padding: 1rem;
    background: var(--maconnerie-gray-light);
    color: var(--color-text-main);
    margin: 0;
    font-size: 1.2rem;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    background: var(--piscine-blue-gradient);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
    transition: var(--transition-smooth);
    align-self: flex-start;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.4);
}

.section-maconnerie .btn, 
.card-maconnerie .btn {
    background: var(--maconnerie-gradient);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.section-maconnerie .btn:hover,
.card-maconnerie .btn:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.section-piscine .btn {
    background: var(--piscine-gradient);
    box-shadow: 0 4px 15px rgba(67, 233, 123, 0.3);
}

/* Valeurs */
.valeurs-section {
    background: var(--color-white);
    position: relative;
    padding: 6rem 0;
}

.valeurs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.valeur-item {
    padding: 2.5rem;
    border-radius: var(--radius-md);
    background: var(--color-bg-light);
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.valeur-item:hover {
    background: var(--color-white);
    border-color: rgba(0,0,0,0.05);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.valeur-item i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: var(--piscine-blue-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Footer Design Moderne */
.main-footer {
    background: #1a1c20;
    color: #b0b0b0;
    position: relative;
    padding-top: 0;
    margin-top: 4rem;
}

/* Vague SVG */
.footer-wave {
    position: absolute;
    top: -100px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 1;
}

.footer-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 100px;
    transform: rotateY(180deg);
}

.main-footer .container {
    position: relative;
    z-index: 2;
    padding-top: 4rem;
    padding-bottom: 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

/* Colonne Identité */
.footer-logo {
    font-size: 1.8rem;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    background: var(--piscine-blue-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.footer-desc {
    margin-bottom: 2rem;
    line-height: 1.8;
    font-size: 0.95rem;
}

.footer-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255,255,255,0.05);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.badge i {
    color: var(--piscine-green);
}

.badge:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

/* Colonne Services */
.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: var(--transition-fast);
    padding: 5px 0;
}

.footer-links i {
    font-size: 0.7rem;
    color: var(--color-primary);
    transition: transform 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer-links a:hover i {
    transform: translateX(3px);
    color: var(--piscine-blue-light);
}

/* Colonne Contact */
.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.2rem;
}

.contact-list i {
    margin-top: 5px;
    color: var(--piscine-blue-dark);
    font-size: 1.1rem;
}

.contact-list a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

.working-hours {
    margin-top: 2rem;
    background: rgba(255,255,255,0.03);
    padding: 1.2rem;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--piscine-green);
}

.working-hours h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.legal-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.legal-links a:hover {
    color: var(--color-white);
}

/* Responsive */
@media (max-width: 968px) {
    .header-layout {
        min-height: 60px;
    }

    .top-bar-content {
        justify-content: center;
    }
    
    .hidden-mobile {
        display: none !important;
    }

    /* Menu Mobile Fix */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-wrapper {
        margin-left: auto;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        height: 100vh;
        background: var(--color-white);
        box-shadow: -5px 0 20px rgba(0,0,0,0.15);
        padding: 5rem 2rem;
        transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1000;
        display: block !important;
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav > ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        width: 100%;
    }

    .main-nav > ul > li {
        width: 100%;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    .main-nav > ul > li > a {
        display: block;
        padding: 12px 0;
        font-size: 1.1rem;
    }

    /* Mobile Dropdown */
    .dropdown-menu {
        position: static;
        box-shadow: none;
        background: #f8f9fa;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding: 0;
        margin-top: 5px;
        border: none;
        border-radius: 4px;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-menu a {
        padding: 12px 20px;
        font-size: 1rem;
        border-bottom: 1px solid rgba(0,0,0,0.03);
    }
    
    .dropdown > a {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .dropdown > a::after {
        content: '+';
        position: static;
        width: auto;
        height: auto;
        background: none;
        font-size: 1.2rem;
        color: var(--color-primary);
    }
    
    .dropdown.active > a::after {
        content: '-';
    }
    
    .cta-item {
        margin-top: 20px;
        border: none !important;
    }
    
    .btn-header-cta {
        display: block;
        text-align: center;
        width: 100%;
    }
    
    /* Footer & Autres responsive */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-wave {
        display: none;
    }
    
    .main-footer {
        margin-top: 0;
        padding-top: 3rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .before-after-container {
        flex-direction: column;
        gap: 30px;
    }
    
    .before-after-item {
        max-width: 100%;
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}