:root {
    --primary-color: #4A90E2; /* Bleu ciel */
    --secondary-color: #FF7E5F; /* Rose corail */
    --accent-color: #FFC371; /* Jaune doré */
    --highlight-color: #FFFFFF; /* Blanc pur */
    --text-color: #333333;
    --light-gray: #f5f5f5;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --travel-gradient: linear-gradient(135deg, #4A90E2, #FF7E5F);
    --sunset-gradient: linear-gradient(135deg, #FF7E5F, #FFC371);
    --beach-gradient: linear-gradient(135deg, #4A90E2, #FFC371);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
}

.logo {
    font-size: 1rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background: rgba(74, 144, 226, 0.1);
    border-radius: 5px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.lang-switch .lang-btn {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    text-decoration: none;
    font-size: inherit;
}

.lang-switch .lang-btn:hover,
.lang-switch .lang-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-top: 60px;
    position: relative;
    overflow: hidden;
    background: var(--travel-gradient);
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    animation: float 10s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 2rem;
    max-width: 800px;
    background: rgba(74, 144, 226, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 3rem;
    animation: fadeIn 1s ease-out;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    background: var(--travel-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: slideIn 1s ease-out;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    animation: fadeIn 1s ease-out 0.5s;
}

.hero .cta-button {
    animation: fadeIn 1s ease-out 0.7s;
    background: var(--gradient);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero .cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 2rem;
    max-width: 800px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 3rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    margin-top: 2rem;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 1px;
}

.cta-button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Destinations Section */
.destinations {
    padding: 5rem 0;
    background: var(--light-gray);
}

.destinations h1 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-size: 2.5rem;
    animation: fadeIn 1s ease-out;
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.destination-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.8s ease-out;
}

.destination-card:hover {
    transform: translateY(-5px);
}

.destination-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.destination-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.destination-card:hover img {
    transform: scale(1.05);
}

.destination-card h3 {
    padding: 1.5rem 1rem 0.5rem;
    margin: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: fadeInUp 0.8s ease-out;
}

.destination-card p {
    padding: 0 1rem 1rem;
    margin: 0.5rem 0;
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.4;
    animation: fadeInUp 0.8s ease-out 0.2s;
}

.destination-card .cta-button {
    display: block;
    width: 100%;
    padding: 1rem;
    text-align: center;
    margin-top: 1rem;
    font-size: 1rem;
    background: var(--travel-gradient);
    color: var(--white);
    border: none;
    border-radius: 30px;
    animation: fadeInUp 0.8s ease-out 0.4s;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.destination-card .cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    background: var(--beach-gradient);
}

/* Circuits Section */
.circuits {
    padding: 5rem 0;
    background: var(--white);
}

.circuits h1 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-size: 2.5rem;
    animation: fadeIn 1s ease-out;
}

.circuits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.circuit-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    animation: fadeIn 0.8s ease-out;
}

.circuit-card:hover {
    transform: translateY(-5px);
}

.circuit-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.circuit-card:hover img {
    transform: scale(1.05);
}

.circuit-card h3 {
    padding: 1.5rem 1rem 0.5rem;
    margin: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: fadeInUp 0.8s ease-out;
}

.circuit-card p {
    padding: 0 1rem 1rem;
    margin: 0.5rem 0;
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.4;
    animation: fadeInUp 0.8s ease-out 0.2s;
}

.duration {
    display: block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.9rem;
    margin: 1rem 1rem 0;
    animation: fadeInUp 0.8s ease-out 0.3s;
}

.circuit-details {
    padding: 1rem;
}

.circuit-details ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.circuit-details ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInUp 0.8s ease-out 0.4s;
}

.circuit-details ul li:last-child {
    border-bottom: none;
}

.circuit-details .cta-button {
    display: block;
    width: 100%;
    padding: 1rem;
    text-align: center;
    margin-top: 1rem;
    font-size: 1rem;
    background: var(--travel-gradient);
    color: var(--white);
    border: none;
    border-radius: 30px;
    animation: fadeInUp 0.8s ease-out 0.5s;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.circuit-details .cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    background: var(--beach-gradient);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .destinations-grid {
        grid-template-columns: 1fr;
    }
    
    .destination-card img {
        height: 200px;
    }
}

/* Gallery Section */
.gallery {
    padding: 5rem 0;
}

.gallery h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-size: 2.5rem;
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    background: none;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 20px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

/* Filtres de la galerie */
.gallery-item {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.gallery-item.filtered {
    opacity: 0.3;
}

.gallery-item.visible {
    opacity: 1;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 2rem;
    animation: float 2s ease-in-out forwards;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    height: 400px;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    100% {
        transform: translateY(-20px);
    }
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--white);
    padding: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
}

.gallery-overlay p {
    margin: 0.5rem 0 0;
    font-size: 1rem;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item {
        height: 300px;
    }
}

/* Circuits Section */
.circuits {
    padding: 5rem 0;
    background: var(--light-gray);
}

.circuits h1 {
    text-align: center;
    margin-bottom: 3rem;
}

.circuits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.circuit-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.circuit-card:hover {
    transform: translateY(-5px);
}

.circuit-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.circuit-card h3 {
    padding: 1rem;
    color: var(--primary-color);
}

.circuit-card p {
    padding: 0 1rem 1rem;
}

.duration {
    display: block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 20px;
    margin: 0 1rem 1rem;
}

.circuit-details {
    padding: 1rem;
}

.circuit-details h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.circuit-details ul {
    list-style: none;
    margin-bottom: 1rem;
}

.circuit-details ul li {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
}

.contact h1 {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 10px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form select {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-form button {
    padding: 1rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-form button:hover {
    background: var(--secondary-color);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--light-gray);
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-form button {
    padding: 1rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-form button:hover {
    background: var(--secondary-color);
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-switch a {
    font-size: 0.9rem;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.lang-switch a.active {
    background: var(--primary-color);
    color: var(--white);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px 0;
    transition: 0.3s;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 1rem;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        z-index: 1000;
        flex-direction: column;
    }

    .nav-links.mobile-menu {
        display: flex;
    }

    .nav-links.active {
        display: flex !important;
    }

    .nav-links li {
        margin: 0.5rem 0;
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.5rem 1rem;
        text-align: left;
    }

    .lang-switch {
        display: flex;
        justify-content: center;
        gap: 0.5rem;
        width: 100%;
    }

    .hamburger {
        display: block;
        cursor: pointer;
    }

    .hamburger span {
        display: block;
        width: 25px;
        height: 3px;
        background: var(--text-color);
        margin: 5px 0;
        transition: 0.3s;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .destinations-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}