/* Variables globales */
:root {
    --primary-color: #4a6fa5;
    --secondary-color: #6b8cae;
    --accent-color: rgb(200,158,56);
    --text-color: #333;
    --light-text: #f8f9fa;
    --background-color: #ffffff;
    --section-bg-alt: #f8f9fa;
    --border-color: #e1e1e1;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 10px;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
}

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

a:hover {
    color: var(--accent-color);
}

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

section {
    padding: 80px 0;
}

section:nth-child(even) {
    background-color: var(--section-bg-alt);
}

/* Header et Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
}

header.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-strong);
    background-color: rgba(255, 255, 255, 0.98);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-img {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
}

.logo h1::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-color);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

nav ul li a:hover {
    color: var(--primary-color);
}

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

nav ul li a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Section Présentation avec Parallaxe */
.parallax-section {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0;
    margin-top: 60px; /* Pour compenser la hauteur du header fixe */
    perspective: 1px;
}

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 140%;
    background-image: url('../images/background.png');
    background-size: cover;
    background-position: center;
    transform: translateZ(-1px) scale(2);
    z-index: -1;
    filter: brightness(0.8);
}

.presentation-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    border-radius: var(--border-radius);
    padding: 50px;
    box-shadow: var(--shadow-strong);
    position: relative;
    z-index: 1;
    max-width: 90%;
    margin: 0 auto;
    transform: translateZ(0);
    overflow: hidden;
}

.profile-image {
    flex: 0 0 45%;
    position: relative;
    transform: translateX(-30px);
    opacity: 0;
    animation: slideInLeft 1s forwards 0.5s;
}

.image-container {
    width: 100%;
    height: 570px;
    background-image: url('../images/profile.jpg');
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 111, 165, 0.2) 0%, rgba(230, 126, 34, 0.2) 100%);
    z-index: 1;
}

.profile-text {
    flex: 0 0 50%;
    transform: translateX(30px);
    opacity: 0;
    animation: slideInRight 1s forwards 0.5s;
}

.profile-text h2 {
    color: var(--primary-color);
    font-size: 2.8rem;
    margin-bottom: 25px;
    position: relative;
}

.profile-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.profile-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 15px;
}

.profile-text p:last-child {
    margin-bottom: 0;
}

@keyframes slideInLeft {
    from {
        transform: translateX(-30px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

/* Section Travaux */
#travaux h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

#travaux h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

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

.travail-item {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    transform: translateY(30px);
    opacity: 0;
}

.travail-item.animated {
    transform: translateY(0);
    opacity: 1;
}

.travail-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
}

.travail-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.travail-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.6) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.travail-item:hover .travail-image::before {
    opacity: 1;
}

.travail-item:nth-child(1) .travail-image {
    background-image: url('../images/Projet1.jpg');
}

.travail-item:nth-child(2) .travail-image {
    background-image: url('../images/Projet2.jpg');
}

.travail-item:nth-child(3) .travail-image {
    background-image: url('../images/project3.jpg');
}

.travail-info {
    padding: 20px;
}

.travail-info h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Section Services */
#services {
    position: relative;
    overflow: hidden;
}

#services .container {
    position: relative;
    z-index: 2;
}

/* Section Services */
#services h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

#services h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

.services-content {
    width: 100%;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    width: 100%;
}

@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-item {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    padding: 35px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    transform: translateY(30px);
    opacity: 0;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    z-index: -1;
    transition: height 0.3s ease;
}

.service-item.animated {
    transform: translateY(0);
    opacity: 1;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
}

.service-item:hover::before {
    height: 10px;
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Section Avantages */
#avantages h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

#avantages h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

.avantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .avantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .avantages-grid {
        grid-template-columns: 1fr;
    }
}

.avantage-item {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    padding: 35px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    transform: translateY(30px);
    opacity: 0;
    border: 1px solid rgba(0,0,0,0.05);
}

.avantage-item.animated {
    transform: translateY(0);
    opacity: 1;
}

.avantage-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(230, 126, 34, 0.2);
}

.avantage-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.avantage-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Section Contact */
#contact h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

#contact h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--background-color);
    padding: 50px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-strong);
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.5s ease;
}

section.visible .contact-form {
    transform: translateY(0);
    opacity: 1;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: rgba(248, 249, 250, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.15);
    background-color: white;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--primary-color);
    transition: var(--transition);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.btn-submit {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 14px 30px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(74, 111, 165, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    transition: all 0.4s ease;
    z-index: -1;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(74, 111, 165, 0.4);
}

.btn-submit:hover::before {
    left: 0;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: var(--light-text);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-location,
.footer-hours,
.footer-contact {
    color: var(--light-text);
}

.footer-location h4,
.footer-hours h4,
.footer-contact h4 {
    color: var(--light-text);
    margin-bottom: 20px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-location h4::after,
.footer-hours h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-hours p,
.footer-location p {
    color: #a3b1c2;
    margin-bottom: 10px;
    line-height: 1.6;
}

@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

.footer-logo h3 {
    color: var(--light-text);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--light-text);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #a3b1c2;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--light-text);
}

.footer-contact p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.footer-contact p i {
    margin-right: 10px;
    color: var(--accent-color);
}

.social-links {
    margin-top: 30px;
    text-align: center;
}

.social-links h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.social-links h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
}

.social-icons-presentation {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
}

.social-icons-presentation .social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-icons-presentation .social-icon:hover {
    transform: translateY(-5px);
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #a3b1c2;
}

/* Animations globales pour les sections */
section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Style pour empêcher le défilement quand le menu mobile est ouvert */
body.no-scroll {
    overflow: hidden;
}

/* Styles pour rendre le site plus humain */
.profile-image .image-container {
    position: relative;
}

.profile-image .image-container::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: 10px;
    bottom: 10px;
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius);
    z-index: -1;
    opacity: 0.5;
    transition: var(--transition);
}

.profile-image:hover .image-container::before {
    top: -15px;
    left: -15px;
    opacity: 0.8;
}

/* Responsive Présentation */
@media (max-width: 992px) {
    .presentation-content {
        flex-direction: column;
        padding: 30px 15px;
        max-width: 100%;
    }
    .profile-image,
    .profile-text {
        flex: 1 1 100%;
        width: 100%;
        max-width: 100%;
        transform: none !important;
        animation: none !important;
        opacity: 1 !important;
    }
    .profile-image {
        margin-bottom: 30px;
        height: 320px;
    }
    .image-container {
        height: 320px;
    }
}

@media (max-width: 600px) {
    .presentation-content {
        padding: 15px 5px;
    }
    .profile-text h2 {
        font-size: 2rem;
    }
    .profile-text p {
        font-size: 1rem;
    }
    .image-container {
        height: 180px;
    }
    .profile-image {
        height: 180px;
    }
    .social-links h3 {
        font-size: 1.1rem;
    }
    .social-icons-presentation .social-icon {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
}