:root {
    --primary-color: #5B47FB;
    --primary-dark: #4636D9;
    --secondary-color: #1A1A2E;
    --accent-color: #FF6B6B;
    --text-primary: #1A1A2E;
    --text-secondary: #6B7280;
    --background: #FFFFFF;
    --background-alt: #F9FAFB;
    --border-color: #E5E7EB;
    --gradient-primary: linear-gradient(135deg, #5B47FB 0%, #8B5CF6 100%);
    --gradient-accent: linear-gradient(135deg, #FF6B6B 0%, #FF8787 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

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

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
}

.cta-button {
    background: var(--gradient-primary);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

main {
    margin-top: 80px;
}

.hero-section {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--background-alt) 0%, var(--background) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(91, 71, 251, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: slideInLeft 0.8s ease;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: slideInLeft 0.8s ease 0.2s both;
}

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

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: slideInLeft 0.8s ease 0.4s both;
}

.primary-button, .secondary-button {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.primary-button {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(91, 71, 251, 0.3);
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(91, 71, 251, 0.4);
}

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

.secondary-button:hover {
    background: var(--primary-color);
    color: white;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    animation: slideInUp 0.8s ease 0.6s both;
}

.hero-backing {
    margin-top: 2.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.75rem;
    background: linear-gradient(135deg, #FFF7ED 0%, #FEF3E2 100%);
    border: 2px solid #FB923C;
    border-radius: 12px;
    animation: slideInUp 0.8s ease 0.7s both;
}

.f6s-logo {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.backing-text {
    font-size: 1rem;
    color: #EA580C;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.backing-text strong {
    font-weight: 700;
    color: #C2410C;
}

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

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    animation: floatCard 4s ease-in-out infinite;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.card-1 {
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 45%;
    right: 35%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20%;
    right: 15%;
    animation-delay: 2s;
}

.card-header {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.card-content {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-size: 1.125rem;
}

.features-section {
    background: var(--background-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

.pricing-section {
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.amount {
    font-size: 3rem;
    font-weight: 700;
}

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

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding-left: 1.5rem;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.pricing-button {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pricing-button.primary {
    background: var(--gradient-primary);
    color: white;
}

.pricing-button.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.pricing-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.about-section {
    background: var(--background-alt);
}

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

.mission-statement,
.vision-section {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
}

.mission-statement h3,
.vision-section h3,
.founders-section h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.mission-statement p,
.vision-section p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.founders-section {
    margin-bottom: 3rem;
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.founder-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.founder-avatar {
    margin: 0 auto 1.5rem;
}

.avatar-placeholder {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto;
}

.founder-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.founder-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.founder-bio {
    color: var(--text-secondary);
    line-height: 1.6;
}

.cta-section {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.download-btn img {
    height: 50px;
    transition: transform 0.3s ease;
}

.download-btn:hover img {
    transform: scale(1.05);
}

.footer {
    background: var(--secondary-color);
    color: white;
    padding: 3rem 2rem 1rem;
}

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

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

.footer-section h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-backing {
        flex-direction: column;
        text-align: center;
        padding: 1rem 1.25rem;
    }
    
    .backing-text {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}