:root {
    --bg-color: #000000;
    --bg-secondary: #050a05;
    --text-primary: #e0ffe0;
    --text-secondary: #8a9c8a;
    --accent-main: #65C453; /* ZanSec Green */
    --accent-dim: #2A5D24;
    
    --font-main: 'Fira Code', monospace;
    
    --border-color: #2A5D24;
    --glass-bg: rgba(10, 20, 10, 0.8);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

html {
    scroll-behavior: smooth;
}

/* Cyber grid background */
.grid-bg {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background-image: 
        linear-gradient(rgba(42, 93, 36, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(42, 93, 36, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    z-index: -2;
    pointer-events: none;
}

/* Scanline effect */
.scanline {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0) 50%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.2));
    background-size: 100% 4px;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.3;
}

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

h1, h2, h3, h4 {
    text-transform: uppercase;
    font-weight: 700;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid var(--accent-main);
    font-family: var(--font-main);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--accent-main);
    color: #000;
}

.btn-primary:hover {
    background: #000;
    color: var(--accent-main);
    box-shadow: 0 0 15px var(--accent-main);
}

.btn-outline {
    background: transparent;
    color: var(--accent-main);
}

.btn-outline:hover {
    background: var(--accent-dim);
    color: var(--text-primary);
}

.w-100 {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--bg-color);
    border-bottom: 1px solid var(--accent-dim);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.logo-text span {
    color: var(--accent-main);
}

.logo-text small {
    font-size: 0.6rem;
    color: var(--accent-dim);
    letter-spacing: 2px;
    margin-top: 2px;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.system-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-main);
    font-size: 0.8rem;
    margin-bottom: 2rem;
    border: 1px solid var(--accent-dim);
    padding: 0.3rem 0.8rem;
}

.pulse {
    width: 8px;
    height: 8px;
    background-color: var(--accent-main);
    border-radius: 50%;
    animation: blink 1s infinite;
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 500px;
}

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

/* Terminal Snippet */
.terminal-wrapper {
    position: relative;
}

.terminal-wrapper::before, .terminal-wrapper::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-main);
}
.terminal-wrapper::before { top: -10px; left: -10px; border-right: none; border-bottom: none; }
.terminal-wrapper::after { bottom: -10px; right: -10px; border-left: none; border-top: none; }

.terminal-snippet {
    background: #050805;
    border: 1px solid var(--accent-dim);
    overflow: hidden;
}

.terminal-header {
    background: #0a110a;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--accent-dim);
    font-size: 0.8rem;
    color: var(--accent-main);
}

.terminal-body {
    padding: 2rem;
    font-size: 0.9rem;
    color: #e2e2e2;
}

.terminal-body p {
    margin-bottom: 0.8rem;
}

.prompt {
    color: var(--accent-main);
    margin-right: 0.5rem;
}

.output {
    color: var(--text-secondary);
}

.output.success {
    color: var(--accent-main);
}

/* Features */
.features {
    padding: 6rem 0;
    border-top: 1px dashed var(--accent-dim);
}

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

.section-header h2 {
    font-size: 2rem;
    color: var(--accent-main);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-dim);
    padding: 2rem;
    transition: all 0.2s;
    position: relative;
}

.feature-card:hover {
    border-color: var(--accent-main);
    box-shadow: inset 0 0 20px rgba(101, 196, 83, 0.1);
}

.feature-icon {
    font-size: 2rem;
    color: var(--accent-main);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Download Section */
.download-section {
    padding: 6rem 0;
    border-top: 1px dashed var(--accent-dim);
}

.download-box {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-main);
    padding: 4rem;
}

.download-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-main);
}

.download-content > p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 3rem;
    max-width: 600px;
}

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

.download-card {
    background: #000;
    border: 1px solid var(--accent-dim);
    padding: 2rem;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--accent-dim);
    padding-bottom: 1rem;
}

.card-header i {
    font-size: 1.5rem;
    color: var(--accent-main);
}

.card-header h4 {
    font-size: 1.1rem;
}

.version-info {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}

.checksums {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px dashed var(--accent-dim);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.checksums code {
    color: var(--accent-main);
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid var(--accent-main);
    background: var(--bg-color);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-desc {
    color: var(--text-secondary);
    margin-top: 1rem;
    font-size: 0.8rem;
}

.watermark {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.watermark a {
    color: var(--accent-main);
    text-decoration: none;
    font-weight: 600;
}

.watermark a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
}