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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #06b6d4;
    --success: #10b981;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --border: #3b82f633;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
        "Ubuntu", "Cantarell", sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--primary-dark) 100%
    );
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
}

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

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(
            circle at 50% 20%,
            rgba(59, 130, 246, 0.15),
            transparent 50%
        ),
        radial-gradient(
            circle at 80% 80%,
            rgba(16, 185, 129, 0.1),
            transparent 50%
        );
    z-index: 0;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--secondary) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cta-button {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cta-button.firefox {
    background: linear-gradient(135deg, #ff6611 0%, #ff4500 100%);
    color: white;
}

.cta-button.chrome {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    color: white;
}

.cta-button.edge {
    background: linear-gradient(135deg, #0078d4 0%, #00a4ef 100%);
    color: white;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
}

.button-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.button-label {
    font-size: 1.1rem;
}

.button-sublabel {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: 500;
}

.hero-visual {
    position: relative;
}

.floating-card {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

.screenshot {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(59, 130, 246, 0.05) 100%
    );
}

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

.section-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-muted);
}

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

.feature-card {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.feature-example {
    padding: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
    font-size: 0.9rem;
    color: var(--primary);
    text-align: center;
}

/* About Section */
.about {
    padding: 6rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.security-highlights {
    margin: 3rem 0;
}

.highlights-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.highlights-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.highlights-list li {
    display: flex;
    align-items: start;
    gap: 1rem;
    color: var(--text-muted);
}

.highlights-list li svg {
    color: var(--success);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.highlights-list code {
    background: rgba(59, 130, 246, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--primary);
    font-size: 0.9em;
}

.entropy-table {
    margin-top: 3rem;
}

.entropy-table table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 12px;
    overflow: hidden;
}

.entropy-table th,
.entropy-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.entropy-table th {
    background: rgba(59, 130, 246, 0.1);
    font-weight: 700;
    color: var(--primary);
}

.entropy-table tbody tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.table-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.05);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.table-note svg {
    color: var(--primary);
    flex-shrink: 0;
}

.screenshot-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.screenshot-container img {
    width: 100%;
    display: block;
}

.screenshot-label {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    border: 1px solid var(--border);
    text-align: center;
    font-weight: 600;
}

/* Technology Stack */
.tech-stack {
    padding: 6rem 0;
    background: linear-gradient(
        180deg,
        rgba(59, 130, 246, 0.05) 0%,
        transparent 100%
    );
    text-align: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.tech-icon {
    font-size: 3rem;
}

.tech-name {
    font-weight: 700;
    color: var(--text);
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.cta-description {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.cta-buttons-secondary {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--primary-dark) 100%
    );
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-3px);
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
    background: rgba(30, 41, 59, 0.3);
}

.footer-content {
    /* border: 2px solid var(--border); */
    /* display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem; */
    display: flex;
    align-items: start;
    justify-content: space-between;
    padding: 0 1rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    /* border: 2px solid var(--border); */
    width: 50%;
    display: flex;
    align-items: start;
    justify-content: space-between;
    /* flex-direction: column; */
    /* gap: 1rem; */
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text);
}

.footer-section a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom p:first-child {
    margin-bottom: 0.5rem;
}

.footer-bottom-lower {
    display: flex;
    justify-content: center;
    word-spacing: 1px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        order: -1;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .nav-links a span {
        display: none;
    }

    .hero {
        padding: 8rem 0 4rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-description {
        font-size: 1.125rem;
    }

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

    .cta-title {
        font-size: 2rem;
    }

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

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .cta-buttons-secondary {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}