/* ============================================================================
   PSA GRADING PRO - LANDING PAGE (GCC INSPIRED)
   Design épuré, premium, fond clair & lumineux
   ============================================================================ */

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

:root {
    /* GCC Inspired Color Palette - Light & Premium */
    --primary-color: #2563eb;        /* Bleu premium */
    --primary-light: #3b82f6;        /* Bleu clair */
    --primary-dark: #1e40af;         /* Bleu foncé */
    --accent-color: #f59e0b;         /* Accent or moderne */
    --accent-light: #fbbf24;         /* Or clair */
    
    /* Background & Surface Colors (Light Theme) */
    --bg-primary: #ffffff;           /* Blanc pur */
    --bg-secondary: #f8fafc;         /* Gris très clair */
    --bg-tertiary: #f1f5f9;          /* Gris clair */
    --surface: #ffffff;              /* Surface cards */
    --surface-hover: #f8fafc;        /* Hover state */
    
    /* Text Colors */
    --text-primary: #0f172a;         /* Texte principal */
    --text-secondary: #475569;       /* Texte secondaire */
    --text-muted: #64748b;           /* Texte discret */
    --text-light: #94a3b8;           /* Texte très discret */
    
    /* Border & Dividers */
    --border-color: #e2e8f0;         /* Bordures subtiles */
    --border-light: #f1f5f9;         /* Bordures très subtiles */
    
    /* Shadows (Premium Feel) */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Layout */
    --container-max: 1200px;
    --container-pad: 1.5rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--primary-color); /* Fallback */
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Header Navigation */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

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

.nav {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary-color);
    color: white !important;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: var(--space-3xl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--primary-color); /* Fallback */
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

/* Hero Visual - PSA Card */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-card {
    width: 240px;
    height: 336px;
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

.hero-card-real {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.psa-card-image {
    max-width: 300px;
    max-height: 400px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
}

.card-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shine 3s ease-in-out infinite;
}

.card-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-xl);
}

.psa-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--space-lg);
}

.card-grade {
    font-size: 4rem;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: var(--space-sm);
}

.card-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

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

@keyframes shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

.btn.large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.1rem;
}

/* Why Us Section */
.why-us {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.benefit-card {
    background: var(--surface);
    padding: var(--space-2xl);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Services Section */
.services {
    padding: var(--space-3xl) 0;
}

.service-paths {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.service-path {
    background: var(--surface);
    border-radius: 20px;
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-path:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.path-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.path-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.path-header h3 {
    font-size: 1.8rem;
    margin-bottom: var(--space-sm);
}

.path-header p {
    color: var(--text-secondary);
}

.path-benefits {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.path-benefits li {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
}

/* Process Section */
.process {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    margin: 0 auto var(--space-lg);
    box-shadow: var(--shadow-lg);
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: var(--space-3xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.pricing-card {
    background: var(--surface);
    border-radius: 20px;
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.recommended {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, var(--surface), #fffbf0);
}

.card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.card-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
}

.card-header h3 {
    font-size: 1.8rem;
    margin-bottom: var(--space-sm);
}

.price {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
}

.price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.duration {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
}

.card-features {
    margin-bottom: var(--space-xl);
}

.feature {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
}

.pricing-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.testimonial-card {
    background: var(--surface);
    padding: var(--space-2xl);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.testimonial-stars {
    font-size: 1.2rem;
    margin-bottom: var(--space-lg);
}

.testimonial-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-style: italic;
    line-height: 1.6;
}

.testimonial-author strong {
    color: var(--text-primary);
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* FAQ Section */
.faq {
    padding: var(--space-3xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-xl);
}

.faq-item {
    background: var(--surface);
    padding: var(--space-2xl);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--space-md);
    font-size: 1.2rem;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Final CTA Section */
.final-cta {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--space-md);
    color: white;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

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

.final-cta .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta-trust {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    opacity: 0.9;
}

.trust-item {
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.disclaimer-content p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0;
    text-align: center;
}

.disclaimer-content strong {
    color: white;
    font-weight: 600;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.footer-left p {
    color: var(--text-light);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--text-secondary);
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-pad: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .service-paths {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-xl);
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .cta-trust {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .final-cta .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-card {
        width: 200px;
        height: 280px;
    }
    
    .card-grade {
        font-size: 3rem;
    }
    
    .btn {
        padding: var(--space-sm) var(--space-lg);
    }
    
    .benefit-card,
    .service-path,
    .pricing-card,
    .testimonial-card,
    .faq-item {
        padding: var(--space-lg);
    }
}