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

html, body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0B0D17;
    color: #ffffff;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Animated background */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    opacity: 0.4;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 13, 23, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #00D9FF;
    text-decoration: none;
}

.nav-logo img {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #B3C5D4;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #00D9FF;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 2rem;
}

.hero-content {
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: #00D9FF;
    font-weight: 500;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #00D9FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: #B3C5D4;
    line-height: 1.6;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn-primary {
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 1rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Features Section */
.features {
    padding: 8rem 2rem;
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #00D9FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    font-size: 1.2rem;
    color: #B3C5D4;
    max-width: 600px;
    margin: 0 auto;
}

/* dev-guard Product Card */
.product-showcase {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 3rem;
    margin: 4rem auto;
    max-width: 800px;
    backdrop-filter: blur(20px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-showcase:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 217, 255, 0.2);
}

.product-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.product-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: white;
    padding: 8px;
}

.product-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #00D9FF;
    margin-bottom: 0.5rem;
}

.product-info p {
    color: #B3C5D4;
    font-size: 1.1rem;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.feature-text {
    color: #E0E8F0;
    line-height: 1.6;
}

/* Footer */
.footer {
    padding: 4rem 2rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.footer p {
    color: #6B7280;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: #B3C5D4;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00D9FF;
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero {
        padding: 0 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .product-header {
        flex-direction: column;
        text-align: center;
    }

    .product-features {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}
