/* ===== RESET & VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette Bekorp */
    --blue-deep: #0A1628;
    --blue-primary: #3B82F6;
    --purple-royal: #6D28D9;
    --purple-light: #A78BFA;
    --pink-magenta: #DB2777;
    --pink-light: #F472B6;
    
    /* Neutrals */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    line-height: 1.8;
    background: var(--bg-light);
    overflow-x: hidden;
}

/* ===== HERO SECTION WITH BACKGROUND IMAGE ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-primary) 50%, var(--purple-royal) 100%);
}

/* Background Image avec Overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://www.genspark.ai/api/files/s/RQ57JPCS?cache_control=3600');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    z-index: 0;
}

/* Overlay Gradient pour Lisibilité */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(10, 22, 40, 0.88) 0%,
        rgba(59, 130, 246, 0.78) 50%,
        rgba(109, 40, 217, 0.85) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-logo {
    height: 100px;
    width: auto;
    margin: 0 auto var(--spacing-md);
    display: block;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.3));
    animation: fadeInDown 1s ease;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--white);
    text-shadow: 0 4px 20px rgba(0,0,0,0.4);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.375rem);
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    opacity: 0.95;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s both;
}

/* Buttons */
.btn-podcast {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    font-family: var(--font-body);
    color: var(--white);
    background: linear-gradient(135deg, var(--purple-royal), var(--pink-magenta));
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(109, 40, 217, 0.3);
}

.btn-podcast:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 15px 40px rgba(109, 40, 217, 0.5);
}

.btn-podcast .btn-icon {
    font-size: 1.5rem;
}

/* ===== STATS SECTION ===== */
.stats-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(109, 40, 217, 0.05));
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.2);
}

.stat-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--purple-royal), var(--pink-magenta));
    border-radius: 20px;
    padding: var(--spacing-sm);
}

.stat-icon svg {
    color: var(--white);
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.1));
}

.stat-number {
    font-size: 4.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--blue-primary), var(--purple-royal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.stat-suffix {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--purple-royal);
    display: inline-block;
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-sm);
}

.stat-source {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* ===== SECTION TITLE ===== */
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--blue-primary), var(--purple-royal), var(--pink-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ===== TIMELINE SECTION ===== */
.timeline-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03), rgba(109, 40, 217, 0.03));
}

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

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.timeline-marker {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-primary), var(--purple-royal));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.timeline-card {
    flex: 1;
    background: var(--white);
    border-radius: 16px;
    padding: var(--spacing-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.timeline-card:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.15);
}

.timeline-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--purple-royal);
    margin-bottom: var(--spacing-sm);
}

.timeline-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== BUSINESS CASES ===== */
.business-cases-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--white);
}

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

.case-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(15px);
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--purple-royal);
    box-shadow: 0 20px 60px rgba(109, 40, 217, 0.2);
}

.case-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--blue-primary), var(--purple-royal));
    border-radius: 20px;
    padding: var(--spacing-sm);
}

.case-icon svg {
    color: var(--white);
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.1));
}

.case-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blue-primary);
    margin-bottom: var(--spacing-sm);
}

.case-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.case-metrics {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.metric-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--purple-royal), var(--pink-magenta));
    color: var(--white);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* ===== CHARTS SECTION ===== */
.charts-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03), rgba(109, 40, 217, 0.03));
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-lg);
}

.chart-container {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.chart-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--purple-royal);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.chart {
    width: 100%;
    height: 350px;
}

/* ===== TRENDS SECTION ===== */
.trends-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--white);
}

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

.trend-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 1));
    border: 2px solid rgba(109, 40, 217, 0.2);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: all 0.4s ease;
}

.trend-card:hover {
    transform: rotateY(5deg) scale(1.02);
    border-color: var(--pink-magenta);
    box-shadow: 0 20px 60px rgba(219, 39, 119, 0.2);
}

.trend-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-primary), var(--purple-royal));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.trend-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--purple-royal);
    margin-bottom: var(--spacing-sm);
}

.trend-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.trend-impact {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.impact-high {
    color: var(--pink-magenta);
    font-weight: 700;
}

.impact-medium {
    color: var(--purple-royal);
    font-weight: 700;
}

/* ===== ROADMAP SECTION ===== */
.roadmap-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03), rgba(109, 40, 217, 0.03));
}

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

.roadmap-card {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-lg);
    border-top: 5px solid var(--blue-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.roadmap-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.2);
}

.roadmap-quarter {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--purple-royal), var(--pink-magenta));
    color: var(--white);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.roadmap-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--purple-royal);
    margin-bottom: var(--spacing-md);
}

.roadmap-card ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.roadmap-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.roadmap-budget {
    font-size: 1rem;
    font-weight: 700;
    color: var(--blue-primary);
    text-align: center;
    padding: var(--spacing-sm);
    background: rgba(59, 130, 246, 0.1);
    border-radius: 10px;
}

.roadmap-total {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--purple-royal), var(--pink-magenta));
    color: var(--white);
    border-radius: 16px;
    text-align: center;
    font-size: 1.125rem;
    font-weight: 600;
}

/* ===== RECOMMENDATIONS ===== */
.recommendations-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--white);
}

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

.rec-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 1));
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.rec-card:hover {
    transform: translateY(-8px);
    border-color: var(--purple-royal);
    box-shadow: 0 15px 40px rgba(109, 40, 217, 0.15);
}

.rec-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-primary), var(--purple-royal));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.rec-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--purple-royal);
    margin-bottom: var(--spacing-sm);
}

.rec-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--blue-deep);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
    text-align: center;
}

.footer-logo {
    height: 90px;
    width: auto;
    margin: 0 auto var(--spacing-md);
    display: block;
    filter: brightness(0) invert(1);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.footer-info h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-email {
    margin-top: var(--spacing-sm);
}

.footer-email a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer-email a:hover {
    color: var(--pink-light);
}

.footer-links {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    opacity: 0.8;
}

.footer-bottom {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ===== PODCAST MODAL ===== */
.podcast-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.podcast-modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.podcast-modal-content {
    background: var(--white);
    border-radius: 24px;
    padding: var(--spacing-lg);
    max-width: 600px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s ease;
}

.podcast-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.1);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.podcast-close:hover {
    background: var(--pink-magenta);
    color: var(--white);
    transform: rotate(90deg);
}

.podcast-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.podcast-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--purple-royal), var(--pink-magenta));
    border-radius: 20px;
    padding: var(--spacing-sm);
}

.podcast-icon svg {
    color: var(--white);
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.1));
}

.podcast-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--purple-royal);
}

.podcast-info p {
    color: var(--text-secondary);
}

audio {
    width: 100%;
    margin-bottom: var(--spacing-md);
}

.podcast-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.control-btn {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple-royal), var(--pink-magenta));
    border: none;
    color: var(--white);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(109, 40, 217, 0.3);
}

.podcast-timeline {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.timeline-bar {
    flex: 1;
    height: 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
    overflow: hidden;
    cursor: pointer;
}

.timeline-progress {
    height: 100%;
    background: linear-gradient(135deg, var(--blue-primary), var(--purple-royal));
    width: 0%;
    transition: width 0.3s ease;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Data-aos fallback */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero {
        min-height: 90vh;
        padding: var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-logo {
        height: 70px;
    }
    
    .stats-grid,
    .cases-grid,
    .charts-grid,
    .trends-grid,
    .roadmap-grid,
    .recommendations-grid {
        grid-template-columns: 1fr;
    }
    
    .chart {
        height: 300px;
    }
    
    .timeline-item {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}