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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --ai-gradient: linear-gradient(135deg, #667eea, #764ba2);
    --devops-gradient: linear-gradient(135deg, #f093fb, #f5576c);
    --cyber-gradient: linear-gradient(135deg, #4facfe, #00f2fe);
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --surface: #ffffff;
    --surface-elevated: #fafafa;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--surface);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section - Inspiration Stripe/Shopify */
.hero {
    min-height: 100vh;
    background: var(--primary-gradient);
    color: white;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255,255,255,0.05) 0%, transparent 70%);
    animation: floating 20s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-10px, -10px) rotate(1deg); }
    50% { transform: translate(10px, -5px) rotate(-1deg); }
    75% { transform: translate(-5px, 10px) rotate(0.5deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(45deg, #ffd700, #ffed4e, #ffd700);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.375rem;
    margin-bottom: 48px;
    opacity: 0.95;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 48px;
    margin-top: 64px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.stat {
    text-align: center;
    padding: 24px;
    background: rgba(255,255,255,0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Platforms Section - Style Shopify Plus */
.platforms {
    padding: 120px 0;
    background: var(--surface-elevated);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    margin-top: 64px;
}

.platform-card {
    background: var(--surface);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--card-accent, var(--primary-gradient));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.platform-card:hover::before {
    transform: scaleX(1);
}

.platform-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.15),
        0 8px 16px rgba(0, 0, 0, 0.1);
}

.ai-card { --card-accent: var(--ai-gradient); }
.devops-card { --card-accent: var(--devops-gradient); }
.cyber-card { --card-accent: var(--cyber-gradient); }

.platform-icon {
    width: 88px;
    height: 88px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    background: var(--card-accent);
    color: white;
    position: relative;
}

.platform-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.platform-card h3 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.platform-card > p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.125rem;
    font-weight: 500;
}

.features {
    list-style: none;
    margin-bottom: 32px;
    space-y: 12px;
}

.features li {
    padding: 12px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 32px;
    font-weight: 500;
    line-height: 1.5;
}

.features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 12px;
    color: #10b981;
    font-weight: bold;
    font-size: 1.1rem;
}

.platform-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.platform-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 36px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--card-accent);
    color: white;
    border: 2px solid transparent;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.platform-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.platform-button:hover::before {
    left: 100%;
}

.platform-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features-section {
    padding: 120px 0;
    background: var(--surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
}

.feature {
    text-align: center;
    padding: 32px 24px;
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    display: block;
}

.feature h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.feature p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* Social Proof */
.social-proof {
    padding: 80px 0;
    background: var(--surface-elevated);
    text-align: center;
}

.social-proof h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 48px;
    color: var(--text-secondary);
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 32px;
    align-items: center;
}

.company-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.company-logo:hover {
    opacity: 1;
}

/* Footer Premium */
.footer {
    background: #0a0a0a;
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.footer-brand p {
    color: #999;
    margin-bottom: 24px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
}

.link-group h4 {
    margin-bottom: 20px;
    color: white;
    font-weight: 600;
}

.link-group a {
    display: block;
    color: #999;
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
    font-weight: 500;
}

.link-group a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #999;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: #999;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-card {
        padding: 32px 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .companies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animations d'entrée */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.platform-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

.platform-card:nth-child(1) { animation-delay: 0.1s; }
.platform-card:nth-child(2) { animation-delay: 0.2s; }
.platform-card:nth-child(3) { animation-delay: 0.3s; }