/* ========================================
   Du Pixel au Réel - Main Stylesheet
   Dark theme with gradient accents
======================================== */

:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --bg-card-hover: #222230;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    
    --accent-1: #8b5cf6;  /* Purple */
    --accent-2: #06b6d4;  /* Cyan */
    --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Effects */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

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

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

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent-1);
    margin-bottom: 16px;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 16px auto 48px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
    width: 100%;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* ========================================
   Navigation
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
}

.logo-icon {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.btn-nav {
    padding: 10px 20px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    color: white !important;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-1);
    top: -200px;
    right: -200px;
    opacity: 0.3;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-2);
    bottom: -100px;
    left: -100px;
    opacity: 0.2;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero h1 {
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 400px;
}

/* Hero visual - masqué pour test */
.hero-visual {
    display: none;
}

.orbit-container {
    display: contents;
}

.floating-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    font-size: 0.95rem;
    box-shadow: var(--shadow);
    white-space: nowrap;
    animation: float 6s ease-in-out infinite;
}

.card-icon {
    font-size: 1.4rem;
}

/* Grille 2 colonnes, décalages pour effet dynamique */
.card-1 {
    animation-delay: 0s;
}

.card-2 {
    animation-delay: 0.8s;
    margin-left: 25px;
}

.card-3 {
    animation-delay: 1.6s;
    margin-top: 10px;
}

.card-4 {
    animation-delay: 2.4s;
    margin-left: 35px;
    margin-top: -5px;
}

.card-5 {
    animation-delay: 3.2s;
    grid-column: 1 / -1;
    justify-self: center;
    margin-left: 20px;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translate(0, 0); }
    50% { transform: rotate(45deg) translate(5px, 5px); }
}

/* ========================================
   Services Section
======================================== */
.services {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: left;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    border-bottom: 1px solid var(--border-color);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-link {
    color: var(--accent-2);
    font-weight: 500;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--accent-1);
}

/* ========================================
   Portfolio Section
======================================== */
.portfolio {
    padding: var(--section-padding) 0;
    text-align: center;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.portfolio-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.portfolio-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    text-align: left;
}

.portfolio-info h4 {
    margin-bottom: 4px;
}

.portfolio-info span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.portfolio-note {
    padding: 20px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    display: inline-block;
}

/* ========================================
   Tarifs Section
======================================== */
.tarifs {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
    text-align: center;
}

.tarifs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.tarif-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: left;
    transition: var(--transition);
}

.tarif-card:hover {
    border-color: var(--border-hover);
}

.tarif-card.featured {
    border-color: var(--accent-1);
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.1) 0%, var(--bg-card) 100%);
}

.tarif-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--accent-gradient);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tarif-header {
    margin-bottom: 24px;
}

.tarif-header h3 {
    margin-bottom: 8px;
}

.tarif-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.tarif-price {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.tarif-price .price-prefix {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.tarif-price .price {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
}

.tarif-price .price-note {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.tarif-features {
    list-style: none;
    margin-bottom: 32px;
}

.tarif-features li {
    padding: 10px 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.tarifs-extras {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
}

.tarifs-extras h4 {
    margin-bottom: 20px;
    text-align: center;
}

.extras-grid {
    display: grid;
    gap: 12px;
}

.extra-item {
    display: flex;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.extra-name {
    color: var(--text-secondary);
}

.extra-price {
    font-weight: 500;
}

/* ========================================
   About Section
======================================== */
.about {
    padding: var(--section-padding) 0;
}

.about .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-values {
    display: flex;
    gap: 32px;
    margin-top: 40px;
}

.value {
    display: flex;
    align-items: center;
    gap: 10px;
}

.value-icon {
    font-size: 1.5rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 300px;
    height: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

/* ========================================
   Contact Section
======================================== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    text-align: left;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-1);
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    grid-column: span 2;
    margin-top: 10px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.info-card h4 {
    margin-bottom: 12px;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.info-card a {
    color: var(--accent-2);
    transition: var(--transition);
}

.info-card a:hover {
    color: var(--accent-1);
}

/* ========================================
   Footer
======================================== */
.footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-brand .logo-icon,
.footer-brand .logo-text {
    display: inline;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 30px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--text-secondary);
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 40px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tarifs-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto 60px;
    }
    
    .about .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-values {
        justify-content: center;
    }
    
    .about-image {
        order: -1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .contact-form .btn {
        grid-column: span 1;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}