:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --primary-color: #58a6ff;
    --secondary-color: #1f6feb;
    --accent-color: #79c0ff;
    --glass-bg: rgba(22, 27, 34, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s;
}

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

.cta-button {
    text-decoration: none;
    background-color: var(--primary-color);
    color: #fff;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    font-weight: 600;
    transition: background-color 0.3s;
}

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

/* Main Content */
main {
    padding-top: 5rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 5%;
    min-height: 100vh;
    background: radial-gradient(circle at top right, rgba(88, 166, 255, 0.1), transparent 40%),
        radial-gradient(circle at bottom left, rgba(22, 27, 34, 0.8), transparent 50%);
}

.hero>.container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.hero-content {
    max-width: 50%;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #8b949e;
}

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

.btn {
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn.primary {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 14px 0 rgba(88, 166, 255, 0.39);
}

.btn.primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(88, 166, 255, 0.5);
}

.btn.secondary {
    background-color: transparent;
    border: 1px solid var(--glass-border);
    color: #fff;
}

.btn.secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-color);
}

/* Glass Cards */
.hero-graphics {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    width: 320px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

.glass-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

/* About Section */
.about {
    padding: 6rem 5%;
    background-color: #161b22;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.about>.container {
    width: 100%;
}

.about h2 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 4rem;
    text-align: center;
}

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

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: #8b949e;
}

.about-features ul {
    list-style: none;
}

.about-features li {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #fff;
    background: rgba(255, 255, 255, 0.02);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.icon {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.4rem;
}

/* Contact Section */
.contact {
    padding: 8rem 5%;
    text-align: center;
    background: radial-gradient(circle at bottom right, rgba(88, 166, 255, 0.05), transparent 50%);
}

.contact>.container {
    width: 100%;
}

.contact h2 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1rem;
}

.contact p {
    color: #8b949e;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: var(--glass-bg);
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background-color: rgba(1, 4, 9, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.3);
}

/* Footer */
footer {
    background-color: #010409;
    padding: 4rem 5% 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #8b949e;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.footer-bottom {
    text-align: center;
    color: #484f58;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
}

.ctf-hint {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #1a1e24;
    /* Very subtle, slightly lighter than background */
    user-select: none;
}

.ctf-hint:hover {
    color: #30363d;
}

/* Responsive */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
        gap: 3rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-buttons {
        justify-content: center;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}