/* ===================================
   VARIABLES & RESET
   =================================== */
:root {
    --primary-color: #ff6b35;
    --primary-dark: #d9541f;
    --primary-light: #ff8c5f;
    --secondary-color: #004e89;
    --accent-color: #1a659e;
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-primary);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-block {
    width: 100%;
    justify-content: center;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 20px auto 0;
}

/* ===================================
   WHATSAPP FLOATING BUTTON
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 30px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 998;
}

.navbar {
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 28px;
    box-shadow: var(--shadow-md);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 500;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    gap: 35px;
    align-items: center;
}

.nav-menu a {
    font-weight: 600;
    font-family: var(--font-primary);
    color: var(--dark-color);
    position: relative;
    padding: 5px 0;
    font-size: 0.95rem;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, rgba(0, 78, 137, 0.9), rgba(26, 101, 158, 0.9)), 
                url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1200&h=600&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 15px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease;
}

.hero-text {
    font-size: 1.3rem;
    margin-bottom: 10px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1.2s ease;
}

.hero-legal {
    font-size: 1.1rem;
    margin-bottom: 35px;
    opacity: 0.9;
    animation: fadeInUp 1.4s ease;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.6s ease;
}

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

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    padding: 100px 0;
    background: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
}

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

.service-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 40px;
}

.service-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-description {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-features {
    text-align: left;
    margin-top: 20px;
}

.service-features li {
    padding: 8px 0;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features i {
    color: var(--primary-color);
    font-size: 16px;
}

/* ===================================
   RÉALISATIONS SLIDER
   =================================== */
.realisations {
    padding: 100px 0;
    background: var(--white);
}

.realisations-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.slider-container {
    position: relative;
    height: 600px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.realisation-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.realisation-slide.active {
    opacity: 1;
}

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

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: var(--white);
    padding: 40px 30px 30px;
}

.slide-caption h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.slide-caption p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 55px;
    height: 55px;
    background: rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 22px;
    transition: var(--transition);
    z-index: 10;
}

.slider-btn:hover {
    background: rgba(255,255,255,0.5);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: 20px;
}

.slider-btn.next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--white);
    width: 35px;
    border-radius: 6px;
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    padding: 100px 0;
    background: var(--light-color);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 30px 0 15px;
}

.about-text p {
    color: var(--gray);
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.company-info {
    margin: 30px 0;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.info-item i {
    font-size: 35px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.info-item p {
    color: var(--gray);
    font-size: 0.95rem;
    margin: 0;
}

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

.value-item {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.value-item i {
    font-size: 35px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.value-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.value-item p {
    font-size: 0.9rem;
    color: var(--gray);
    margin: 0;
}

.why-choose-us {
    margin-top: 20px;
}

.why-choose-us li {
    padding: 12px 0;
    color: var(--dark-color);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 1.05rem;
}

.why-choose-us i {
    color: var(--primary-color);
    font-size: 20px;
    margin-top: 3px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 20px;
    background: var(--light-color);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 22px;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.contact-details p {
    color: var(--gray);
    line-height: 1.6;
}

.contact-form-container {
    background: var(--light-color);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.contact-form-container h3 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
    font-family: var(--font-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-light);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.map-container {
    margin-top: 50px;
}

.map-container h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    text-align: center;
}

.map {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: linear-gradient(135deg, var(--dark-color), #0a0a0a);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 15px;
}

.footer-legal {
    font-size: 0.9rem;
    font-style: italic;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 10px;
}

.footer-contact li {
    padding: 8px 0;
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 3px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 968px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: var(--white);
        flex-direction: column;
        padding: 40px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

@media (max-width: 768px) {
    .hero {
        height: 500px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .slider-container {
        height: 400px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.6rem;
    }
    
    .logo-title {
        font-size: 1.3rem;
    }
    
    .contact-form-container {
        padding: 25px;
    }
}