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

:root {
    /* Color Palette */
    --primary-dark: #2C5530; /* Terre/vert foncé pour BTP */
    --primary-light: #5A8C5A; /* Vert moyen */
    --secondary: #D4A76A; /* Doré/terre cuite */
    --accent: #E63946; /* Rouge coréen vibrant */
    --accent-light: #FF6B6B; /* Rouge plus clair */
    --korea-blue: #3B5998; /* Bleu coréen traditionnel */
    --light: #F8F9FA;
    --dark: #212529;
    --gray: #6C757D;
    --gray-light: #E9ECEF;
    
    /* Typography */
    --font-main: 'Montserrat', sans-serif;
    --font-accent: 'Playfair Display', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-accent);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-dark);
}

.btn-secondary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
}

/* Header & Navigation */
.header {
    background-color: white;
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.logo span {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    font-weight: 500;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.3s ease;
}

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

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

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--dark);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--light) 0%, #ffffff 100%);
    margin-top: 60px;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: scale(1.05);
}

/* Section Styles */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* Professional Section */
.pro-section {
    background-color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.service-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--gray-light);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.5rem;
}

.service-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.pro-cta {
    text-align: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
}

.pro-cta p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

/* Passions Section */
.passions-section {
    background-color: var(--light);
}

.passions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.passion-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

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

.passion-image {
    height: 200px;
    overflow: hidden;
}

.passion-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.passion-content {
    padding: var(--spacing-lg);
}

.passion-content h3 {
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

/* Korea Dream */
.korea-dream {
    background: linear-gradient(135deg, var(--korea-blue), #8B9DC3);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.korea-dream h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.countdown {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    min-width: 100px;
}

.countdown-item .number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    font-family: var(--font-main);
}

.countdown-item .label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.dream-text {
    font-style: italic;
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
}

/* Series Gallery */
.series-gallery {
    margin-top: var(--spacing-xl);
}

.series-gallery h3 {
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    text-align: center;
}

.gallery-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xs);
    transition: transform 0.3s ease;
}

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

.gallery-item p {
    font-weight: 500;
    color: var(--dark);
}

/* Contact Section */
.contact-section {
    background-color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-info h3, .contact-form h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.social-links {
    margin-top: var(--spacing-lg);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--gray-light);
    border-radius: 50%;
    color: var(--dark);
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--accent);
    color: white;
    transform: translateY(-3px);
}

/* Contact Form */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
}

/* Footer */
.footer {
    background-color: var(--primary-dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-logo .logo {
    color: white;
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.footer-logo .logo span {
    color: var(--accent-light);
}

.footer-links h3,
.footer-passions h3 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

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

.footer-links li,
.footer-passions li {
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links li:hover,
.footer-passions li:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-lg) 0;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: var(--spacing-sm) 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .countdown {
        gap: var(--spacing-sm);
    }
    
    .countdown-item {
        min-width: 80px;
        padding: var(--spacing-sm);
    }
    
    .countdown-item .number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .services-grid,
    .passions-grid {
        grid-template-columns: 1fr;
    }
    
    .countdown {
        flex-direction: column;
        align-items: center;
    }
    
    .countdown-item {
        width: 100%;
        max-width: 200px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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