/* Modern Cyrethium - GhostWare Inspired Design */

:root {
    --primary: #ff0000;
    --primary-dark: #cc0000;
    --primary-light: #ff3333;
    --bg-dark: #000000;
    --bg-darker: #0a0a0a;
    --bg-card: #111111;
    --text-primary: #ffffff;
    --text-secondary: #999999;
    --text-muted: #666666;
    --border: #222222;
    --glow: rgba(255, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-darker);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
    border-left: 1px solid var(--border);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--primary-dark));
    border-radius: 6px;
    border: 2px solid var(--bg-darker);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-light), var(--primary));
}

::-webkit-scrollbar-corner {
    background: var(--bg-darker);
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(255, 0, 0, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 0, 0, 0.05) 0%, transparent 50%);
    animation: bgPulse 15s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.nav-logo img {
    height: 32px;
    filter: drop-shadow(0 0 10px var(--glow));
}

.nav-logo span {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
    background-image: url('Assets/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-content {
    max-width: 900px;
    text-align: center;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.3s; }
.title-line:nth-child(3) { animation-delay: 0.5s; }

.title-line.highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.title-line.highlight::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    filter: blur(8px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.7s forwards;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.9s forwards;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.2);
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0;
    animation: fadeInUp 0.8s ease 1.1s forwards;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(255, 0, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--primary);
}

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

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

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* Sections */
section {
    padding: 8rem 0;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
}

/* Why Section */
.why-section {
    background: linear-gradient(180deg, transparent, rgba(255, 0, 0, 0.02), transparent);
}

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

.feature-card {
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(255, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

/* Tools Section */
.tools-section {
    background: var(--bg-darker);
}

.tools-list {
    display: grid;
    gap: 2rem;
    margin-top: 4rem;
}

.tool-item {
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.tool-item:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.1);
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.tool-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
}

.tool-badge {
    padding: 0.5rem 1rem;
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.tool-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.tool-features {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.tool-features li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.tool-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* Versions Section */
.versions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    align-items: stretch;
}

.version-card {
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.version-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(255, 0, 0, 0.15);
}

.version-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(255, 0, 0, 0.05), transparent);
}

.version-badge {
    position: absolute;
    top: -12px;
    left: 2rem;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: white;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
}

.version-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.version-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.version-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.version-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.version-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.version-meta {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Download Section */
.download-section {
    background: linear-gradient(180deg, transparent, rgba(255, 0, 0, 0.03));
    text-align: center;
}

.download-content h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.download-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.download-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    text-align: center;
}

.download-card {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(255, 0, 0, 0.15);
}

.download-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.download-size {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.download-card .btn {
    width: 100%;
    justify-content: center;
}

.checksum {
    padding: 1rem;
    background: var(--bg-darker);
    border-radius: 8px;
    font-size: 0.75rem;
    text-align: left;
}

.checksum-label {
    display: block;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.checksum-value {
    display: block;
    font-family: 'Courier New', monospace;
    color: var(--primary);
    word-break: break-all;
    margin-bottom: 0.5rem;
}

.copy-hash-btn {
    width: 100%;
    padding: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-hash-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
}

.download-note {
    margin-top: 3rem;
    padding: 1.5rem;
    background: rgba(255, 0, 0, 0.05);
    border: 1px solid rgba(255, 0, 0, 0.2);
    border-radius: 12px;
    text-align: left;
}

.download-note p {
    margin: 0;
    font-size: 0.95rem;
}

.download-note a {
    color: var(--primary);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

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

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

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

.footer-links a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 6rem 1rem 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .features-grid,
    .versions-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Smooth Scrolling */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}