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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    border-bottom-color: rgba(0, 212, 170, 0.3);
}

.nav {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo svg {
    transition: transform 0.3s ease;
}

.logo:hover svg {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #00D4AA;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00D4AA, #00B894);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.cta-button {
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

.cta-button::after {
    display: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 170, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.1);
}

.btn-outline {
    background: transparent;
    color: #00D4AA;
    border-color: #00D4AA;
}

.btn-outline:hover {
    background: #00D4AA;
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 170, 0.3);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: radial-gradient(ellipse at center, rgba(0, 212, 170, 0.1) 0%, transparent 70%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #00D4AA;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* What Is Section */
.what-is {
    padding: 6rem 0;
    background: linear-gradient(180deg, rgba(0, 212, 170, 0.05) 0%, transparent 100%);
}

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

.what-is-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.what-is-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.what-is-card:hover::before {
    opacity: 1;
}

.what-is-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 170, 0.3);
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.1);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.what-is-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
    position: relative;
    z-index: 2;
}

.what-is-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: rgba(0, 0, 0, 0.5);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(0, 184, 148, 0.1) 100%);
    opacity: 0;
    transition: all 0.4s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: rgba(0, 212, 170, 0.4);
    box-shadow: 0 25px 80px rgba(0, 212, 170, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
    position: relative;
    z-index: 2;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    position: relative;
    z-index: 2;
}

/* Security Section */
.security {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(0, 184, 148, 0.05) 100%);
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.security-text .section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.security-feature {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.security-feature:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    transform: translateX(10px);
}

.security-feature h4 {
    color: #00D4AA;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.security-feature p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.security-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.security-shield {
    text-align: center;
    position: relative;
}

.shield-icon {
    font-size: 8rem;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 30px rgba(0, 212, 170, 0.5));
}

.security-badges {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.badge {
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 5px 20px rgba(0, 212, 170, 0.3);
}

/* Passkeys Section */
.passkeys {
    padding: 6rem 0;
    background: rgba(0, 0, 0, 0.3);
}

.passkeys-content {
    text-align: center;
}

.passkeys-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.passkeys-benefits {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.benefit {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem 2rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.benefit:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    transform: translateY(-5px);
}

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

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background: linear-gradient(180deg, rgba(0, 212, 170, 0.05) 0%, transparent 100%);
}

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

.pricing-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border-color: #00D4AA;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(0, 184, 148, 0.05) 100%);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(0, 212, 170, 0.5);
    box-shadow: 0 25px 80px rgba(0, 212, 170, 0.2);
}

.pricing-card.featured:hover {
    transform: translateY(-10px) scale(1.07);
}

.plan-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    color: #ffffff;
    padding: 0.5rem 2rem;
    border-radius: 0 0 20px 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.plan-header {
    margin-bottom: 2rem;
}

.plan-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.currency {
    font-size: 1.2rem;
    color: #00D4AA;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #00D4AA;
}

.period {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.price-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.plan-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    padding-left: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00D4AA;
    font-weight: bold;
}

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

.pricing-guarantee {
    text-align: center;
    margin-top: 3rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-guarantee p {
    color: #00D4AA;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(0, 184, 148, 0.05) 100%);
}

.contact-content {
    text-align: center;
}

.contact-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-buttons {
    margin-bottom: 3rem;
}

.contact-info {
    margin-top: 1.5rem;
}

.contact-info a {
    color: #00D4AA;
    text-decoration: none;
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

.contact-benefits {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-column h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #00D4AA;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .security-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .security-text .section-title {
        text-align: center;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px) scale(1.02);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .passkeys-benefits,
    .contact-benefits {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .what-is-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-gradient {
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}