/* ========================================
   STUDIO JLKS - Global Styles
   ======================================== */

/* Variables CSS */
:root {
    --primary: #0a0a0a;
    --secondary: #ffffff;
    --accent: #d4af37;
    --gray: #888;
    --light-gray: #f5f5f5;
    --error: #e74c3c;
    --success: #27ae60;
    
    /* Gradients pour différentes pages */
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-gold: linear-gradient(135deg, #d4af37 0%, #b8941f 100%);
    --tech-gradient: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    --dark-gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--primary);
    overflow-x: hidden;
    background: var(--secondary);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 300;
    line-height: 1.2;
}

h1 { font-size: clamp(3rem, 7vw, 5rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
    line-height: 1.8;
}

/* ========================================
   SECTIONS
   ======================================== */

section {
    padding: 6rem 5%;
}

.section-title {
    text-align: center;
    font-weight: 100;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 4rem;
    font-size: 1.1rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Container Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.container-large {
    max-width: 1400px;
    margin: 0 auto;
}

/* ========================================
   CARDS & GRIDS
   ======================================== */

.grid {
    display: grid;
    gap: 2rem;
}

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

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
    background: var(--secondary);
    padding: 2.5rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Service Cards */
.service-card {
    border: 1px solid #e0e0e0;
    cursor: pointer;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--primary);
    transition: height 0.5s ease;
    z-index: 0;
}

.service-card:hover::before {
    height: 100%;
}

.service-card:hover * {
    color: var(--secondary);
    position: relative;
    z-index: 1;
}

/* Pricing Cards */
.pricing-card {
    border: 1px solid #e0e0e0;
}

.pricing-card.featured {
    border: 2px solid var(--accent);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: 'POPULAIRE';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--secondary);
    padding: 0.3rem 1.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.1rem;
    border-radius: 20px;
}

.package-price {
    font-size: 2.5rem;
    font-weight: 100;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.package-features {
    list-style: none;
    margin-bottom: 2rem;
}

.package-features li {
    padding: 0.8rem 0;
    position: relative;
    padding-left: 1.5rem;
    color: #555;
}

.package-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* ========================================
   BUTTONS & LINKS
   ======================================== */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 400;
    letter-spacing: 0.05rem;
    cursor: pointer;
    border: none;
    border-radius: 5px;
}

.btn-primary {
    background: var(--accent);
    color: var(--secondary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

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

.btn-secondary:hover {
    background: var(--accent);
    color: var(--secondary);
}

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

.btn-dark:hover {
    background: var(--accent);
}

/* ========================================
   FORMS
   ======================================== */

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 400;
    color: var(--primary);
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
}

/* ========================================
   FAQ ACCORDION
   ======================================== */

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--secondary);
    margin-bottom: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--light-gray);
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* ========================================
   FOOTER
   ======================================== */

/* Footer */
        footer {
            padding: 4rem 5%;
            background: var(--primary);
            color: var(--secondary);
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }

        .footer-section h3 {
            font-size: 1.2rem;
            font-weight: 300;
            margin-bottom: 1.5rem;
            color: var(--accent);
            letter-spacing: 0.1rem;
        }

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

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

        .footer-section a {
            color: var(--secondary);
            text-decoration: none;
            opacity: 0.8;
            transition: all 0.3s ease;
            font-weight: 300;
        }

        .footer-section a:hover {
            opacity: 1;
            color: var(--accent);
        }

        .footer-bottom {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            opacity: 0.6;
        }

        .social-links {
            display: flex;
            gap: 1.5rem;
        }

        .social-links a {
            font-size: 1.3rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            
            .hero-cta {
                flex-direction: column;
                align-items: center;
            }

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

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

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .social-links {
                justify-content: center;
            }
        }

        body.no-scroll { overflow: hidden; }

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

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

        .fade-in-left {
            opacity: 0;
            transform: translateX(-30px);
            transition: all 0.8s ease;
        }

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

        .fade-in-right {
            opacity: 0;
            transform: translateX(30px);
            transition: all 0.8s ease;
        }

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

        /* Page Indicator */
        .page-indicator {
            position: fixed;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 0.5rem;
            z-index: 100;
        }

        .page-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .page-dot.active {
            background: var(--accent);
            transform: scale(1.5);
        }

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* ========================================
   UTILITIES
   ======================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mt-4 { margin-top: 4rem; }
.mt-5 { margin-top: 5rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 4rem; }
.mb-5 { margin-bottom: 5rem; }

.p-1 { padding: 1rem; }
.p-2 { padding: 2rem; }
.p-3 { padding: 3rem; }
.p-4 { padding: 4rem; }
.p-5 { padding: 5rem; }

.bg-primary { background: var(--primary); }
.bg-secondary { background: var(--secondary); }
.bg-light { background: var(--light-gray); }
.bg-accent { background: var(--accent); }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-gray { color: var(--gray); }

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    section {
        padding: 4rem 5%;
    }
}