:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #0f172a;
    --accent: #3b82f6;
    --light: #f8fafc;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border-radius: 12px;
    --box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--secondary);
    background: #ffffff;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary);
    text-decoration: none;
}

.logo i {
    color: var(--primary);
    font-size: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-login {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.btn-login:hover {
    color: var(--primary);
    background: var(--gray-light);
}

.btn-trial {
    background: var(--primary);
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, #f6f9ff 0%, #ffffff 100%);
    overflow: hidden;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
}

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

.btn-secondary {
    background: white;
    color: var(--secondary);
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border: 2px solid var(--gray-light);
    transition: var(--transition);
}

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

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Mockup Dashboard */
.mockup-dashboard {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-hover);
    padding: 1.5rem;
    border: 1px solid var(--gray-light);
    transform: perspective(1000px) rotateY(-5deg);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: perspective(1000px) rotateY(-5deg) translateY(0); }
    50% { transform: perspective(1000px) rotateY(-5deg) translateY(-20px); }
}

.mockup-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
}

.mockup-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28ca42; }

.mockup-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.folder, .file {
    background: var(--light);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    border: 1px solid transparent;
}

.folder:hover, .file:hover {
    background: white;
    border-color: var(--gray-light);
    transform: translateY(-2px);
}

.folder i {
    color: #f59e0b;
    font-size: 1.25rem;
}

.file i {
    color: var(--primary);
    font-size: 1.25rem;
}

/* Sections Common */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.section-header p {
    color: var(--gray);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Features */
.features {
    padding: 6rem 0;
    background: white;
}

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

.feature-card {
    background: var(--light);
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    background: white;
    border-color: var(--gray-light);
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.feature-card p {
    color: var(--gray);
    line-height: 1.7;
}

/* Security Section */
.security {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}

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

.security-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.security-text > p {
    color: var(--gray);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.security-list {
    list-style: none;
}

.security-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.security-list i {
    color: var(--success);
    font-size: 1.25rem;
}

.security-list span {
    color: var(--secondary);
    font-weight: 500;
}

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

.encryption-animation {
    position: relative;
    width: 300px;
    height: 200px;
}

.lock-icon, .server-icon {
    position: absolute;
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--box-shadow);
    animation: pulse 2s infinite;
}

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

.lock-icon {
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

.lock-icon i {
    font-size: 2rem;
    color: var(--primary);
}

.server-icon {
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.server-icon i {
    font-size: 2rem;
    color: var(--accent);
}

.data-flow {
    position: absolute;
    left: 100px;
    right: 100px;
    top: 50%;
    transform: translateY(-50%);
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    overflow: hidden;
}

.data-node {
    position: absolute;
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    border: 3px solid var(--primary);
    animation: flow 3s linear infinite;
}

.data-node:nth-child(1) { animation-delay: 0s; }
.data-node:nth-child(2) { animation-delay: 1s; }
.data-node:nth-child(3) { animation-delay: 2s; }

@keyframes flow {
    0% { left: 0; transform: translateX(-100%); }
    100% { left: 100%; transform: translateX(0); }
}

/* Pricing */
.pricing {
    padding: 6rem 0;
    background: white;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pricing-card {
    background: white;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.pricing-card.popular {
    border-color: var(--primary);
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

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

.plan-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary);
}

.price span {
    font-size: 1rem;
    color: var(--gray);
    font-weight: 400;
}

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

.plan-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.plan-features i.fa-check {
    color: var(--success);
}

.plan-features i.fa-times {
    color: var(--gray-light);
}

.btn-plan {
    display: block;
    text-align: center;
    background: var(--gray-light);
    color: var(--secondary);
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

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

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

.enterprise-cta {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.enterprise-cta h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.enterprise-cta p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-enterprise {
    display: inline-block;
    background: white;
    color: var(--primary);
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.btn-enterprise:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Testimonials */
.testimonials {
    padding: 6rem 0;
    background: var(--light);
}

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

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.testimonial-content p {
    color: var(--gray);
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h4 {
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-info p {
    color: var(--gray);
    font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

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

/* Footer */
footer {
    background: var(--secondary);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-description {
    color: #94a3b8;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.link-group h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: white;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 0.75rem;
}

.link-group a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright p {
    color: #94a3b8;
    font-size: 0.875rem;
}

.btn-upgrade {
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

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

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .security-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .features-grid,
    .pricing-cards,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}