/* ==========================================================================
   Arteloo - CSS Variables & Reset
   Design inspiré des couleurs vives de La Boca
   ========================================================================== */

:root {
    /* Couleurs La Boca - Palette vibrante */
    --color-boca-blue: #0066CC;
    --color-boca-yellow: #FFD700;
    --color-boca-red: #E63946;
    --color-boca-orange: #FF6B35;
    --color-boca-green: #06A77D;
    --color-boca-purple: #7209B7;
    
    /* Couleurs de fond et surfaces */
    --color-bg-light: #FFFEF9;
    --color-bg-cream: #FFF8F0;
    --color-surface: #FFFFFF;
    
    /* Texte */
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #4A4A4A;
    --color-text-light: #7A7A7A;
    
    /* Espacements fluides */
    --spacing-xs: clamp(0.5rem, 2vw, 1rem);
    --spacing-sm: clamp(1rem, 3vw, 1.5rem);
    --spacing-md: clamp(1.5rem, 4vw, 2.5rem);
    --spacing-lg: clamp(2rem, 6vw, 4rem);
    --spacing-xl: clamp(3rem, 8vw, 6rem);
    
    /* Typographie */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Crimson Pro', serif;
    --font-mono: 'Space Mono', monospace;
    
    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-color: 0 4px 16px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-light);
    overflow-x: hidden;
}

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

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

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

/* Préférence de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h4 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

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

/* ==========================================================================
   Layout Utilities
   ========================================================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-boca-yellow), var(--color-boca-orange));
    border-radius: 2px;
}

/* ==========================================================================
   Language Selector
   ========================================================================== */

.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 8px;
    background: var(--color-surface);
    padding: 8px;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
}

.lang-btn {
    padding: 8px 16px;
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    background: var(--color-bg-cream);
    color: var(--color-text-primary);
}

.lang-btn.active {
    background: var(--color-boca-blue);
    color: white;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.main-nav {
    position: sticky;
    top: 0;
    z-index: 999;
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    border-bottom: 3px solid var(--color-boca-yellow);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 900;
    display: flex;
    align-items: baseline;
}

.logo-art {
    color: var(--color-boca-red);
}

.logo-eloo {
    color: var(--color-boca-blue);
    position: relative;
}

.logo-eloo::after {
    content: '○';
    position: absolute;
    right: -8px;
    top: -8px;
    font-size: 0.6em;
    color: var(--color-boca-yellow);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

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

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-menu a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-primary);
    padding: 8px 16px;
    border-radius: 8px;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--color-boca-orange);
    transition: width var(--transition-fast);
}

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

.nav-menu a:hover::after {
    width: 80%;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 70px);
        background: var(--color-surface);
        flex-direction: column;
        padding: var(--spacing-lg) var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-medium);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu a {
        font-size: 1.1rem;
        padding: 16px;
    }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-cream) 100%);
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-content {
    max-width: 900px;
    text-align: center;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.hero-title-main {
    display: block;
    background: linear-gradient(135deg, var(--color-boca-blue), var(--color-boca-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-tagline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.cta-button {
    display: inline-block;
    padding: 16px 40px;
    background: var(--color-boca-red);
    color: white;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50px;
    box-shadow: var(--shadow-color) rgba(230, 57, 70, 0.3);
    transition: all var(--transition-medium);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    background: var(--color-boca-orange);
}

/* Hero Decorations */
.hero-decoration {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.color-splash {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    animation: float 8s ease-in-out infinite;
}

.splash-1 {
    width: 400px;
    height: 400px;
    background: var(--color-boca-blue);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.splash-2 {
    width: 300px;
    height: 300px;
    background: var(--color-boca-yellow);
    bottom: -50px;
    right: 10%;
    animation-delay: 2s;
}

.splash-3 {
    width: 250px;
    height: 250px;
    background: var(--color-boca-red);
    top: 30%;
    right: -50px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(20px, -20px) scale(1.1);
    }
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-surface);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: start;
    margin-bottom: var(--spacing-xl);
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.image-decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 4px solid var(--color-boca-yellow);
    border-radius: 16px;
    z-index: -1;
}

.about-text h3 {
    color: var(--color-boca-blue);
    margin-bottom: var(--spacing-sm);
}

.about-text p {
    margin-bottom: var(--spacing-md);
}

/* Journey Grid */
.about-journey {
    margin-top: var(--spacing-xl);
}

.about-journey h3 {
    text-align: center;
    color: var(--color-boca-red);
    margin-bottom: var(--spacing-lg);
}

.journey-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.journey-item {
    background: var(--color-bg-cream);
    padding: var(--spacing-md);
    border-radius: 16px;
    text-align: center;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.journey-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-boca-blue);
    box-shadow: var(--shadow-md);
}

.journey-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.journey-item h4 {
    color: var(--color-boca-blue);
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 968px) {
    .about-content {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Approach Section
   ========================================================================== */

.approach-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-cream) 100%);
}

.approach-content {
    max-width: 900px;
    margin: 0 auto;
}

.approach-main p {
    margin-bottom: var(--spacing-md);
}

.approach-highlight {
    margin: var(--spacing-xl) 0;
}

.highlight-box {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border-left: 6px solid var(--color-boca-orange);
    box-shadow: var(--shadow-md);
}

.highlight-box h3 {
    color: var(--color-boca-orange);
    margin-bottom: var(--spacing-sm);
}

.why-art {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    border-top: 4px solid var(--color-boca-blue);
    box-shadow: var(--shadow-md);
}

.why-art h3 {
    color: var(--color-boca-blue);
    margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-surface);
}

.service-block {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg-cream);
    border-radius: 16px;
    border-left: 6px solid var(--color-boca-red);
}

.service-title {
    color: var(--color-boca-red);
    margin-bottom: var(--spacing-sm);
}

.service-subtitle {
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.service-content {
    margin: var(--spacing-md) 0;
}

.service-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.category-card {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
}

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

.category-card h4 {
    color: var(--color-boca-blue);
    margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */

.gallery-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-cream) 100%);
}

.gallery-subsection {
    margin-bottom: var(--spacing-xl);
}

.gallery-subsection h3 {
    text-align: center;
    color: var(--color-boca-blue);
    margin-bottom: var(--spacing-lg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    aspect-ratio: 1;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.8), rgba(230, 57, 70, 0.8));
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.gallery-item:hover::after {
    opacity: 0.3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */

.testimonials-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-surface);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--color-bg-cream);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    border-top: 4px solid var(--color-boca-yellow);
}

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

.testimonial-content {
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    font-style: italic;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.testimonial-author {
    text-align: right;
    color: var(--color-boca-blue);
    font-family: var(--font-mono);
    font-weight: 700;
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */

.pricing-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-boca-blue) 0%, var(--color-boca-purple) 100%);
    color: white;
    text-align: center;
}

.pricing-section .section-title {
    color: white;
}

.pricing-section .section-title::after {
    background: white;
}

.pricing-content {
    max-width: 700px;
    margin: 0 auto;
}

.pricing-content p {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    margin-bottom: var(--spacing-lg);
}

.pricing-section .cta-button {
    background: white;
    color: var(--color-boca-blue);
}

.pricing-section .cta-button:hover {
    background: var(--color-boca-yellow);
    color: var(--color-text-primary);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-surface);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-info {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    background: var(--color-bg-cream);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-bg-light);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-boca-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.submit-button {
    width: 100%;
    padding: 16px;
    background: var(--color-boca-red);
    color: white;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
    border-radius: 8px;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-sm);
}

.submit-button:hover {
    background: var(--color-boca-orange);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.main-footer {
    background: var(--color-text-primary);
    color: white;
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.footer-logo .logo-art {
    color: var(--color-boca-red);
}

.footer-logo .logo-eloo {
    color: var(--color-boca-blue);
}

.footer-tagline {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    opacity: 0.6;
}

/* ==========================================================================
   Animations
   ========================================================================== */

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

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

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .hero {
        min-height: 70vh;
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .service-categories {
        grid-template-columns: 1fr;
    }
    
    .journey-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .language-selector {
        top: 10px;
        right: 10px;
        padding: 6px;
    }
    
    .lang-btn {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}