/* CSS Variables - OpsHub Black Gold Theme */
:root {
    --bg-primary: #000000;
    --bg-secondary: #0d0d0d;
    --bg-card: #1a1a1a;
    --bg-hover: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --accent-primary: #d4af37;
    --accent-secondary: #f5d77a;
    --accent-gradient: linear-gradient(135deg, #d4af37 0%, #f5d77a 100%);
    --border-color: #333333;
    --border-gold: #d4af37;
    --shadow: 0 4px 20px rgba(212, 175, 55, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 20px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: #000;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--accent-primary);
}

.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-search {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-search:hover {
    border-color: var(--accent-primary);
}

.nav-search kbd {
    padding: 2px 8px;
    background: var(--bg-card);
    border-radius: 4px;
    font-size: 12px;
    font-family: inherit;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-link i {
    font-size: 20px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 175, 55, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(212, 175, 55, 0.08), transparent);
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: #000;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.2);
}

.btn-primary:hover {
    background: var(--accent-primary);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(212, 175, 55, 0.4);
}

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

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

.hero-stats {
    display: flex;
    gap: 32px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.stat-item i {
    color: var(--accent-primary);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-cube {
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, #1a1a1a 0%, #000 100%);
    border: 3px solid var(--accent-primary);
    border-radius: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    color: var(--accent-primary);
    box-shadow:
        0 20px 60px rgba(212, 175, 55, 0.2),
        inset 0 -10px 30px rgba(212, 175, 55, 0.05);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* Features Section */
.features {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.15);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: #000;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent-primary);
    margin-bottom: 20px;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 24px;
}

.screenshots-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 60px;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.screenshot-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.screenshot-item:hover {
    transform: scale(1.02);
    border-color: var(--accent-primary);
}

.screenshot-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
    background: var(--bg-card);
}

.screenshot-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    font-size: 14px;
    font-weight: 500;
}

/* Quick Start Section */
.quickstart {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.quickstart-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.code-block {
    margin-top: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    text-align: left;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border-color);
}

.code-lang {
    color: var(--text-muted);
    font-size: 13px;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.code-block pre {
    padding: 20px;
    overflow-x: auto;
}

.code-block code {
    font-family: 'Fira Code', 'Monaco', 'Menlo', monospace;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Tech Stack Section */
.techstack {
    padding: 100px 24px;
}

.techstack-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.tech-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 48px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tech-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.tech-item i {
    font-size: 24px;
    color: var(--accent-primary);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 24px 24px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    width: 44px;
    height: 44px;
    font-size: 22px;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 15px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-section h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        order: -1;
    }

    .hero-cube {
        width: 200px;
        height: 200px;
        font-size: 80px;
        border-radius: 40px;
        border-width: 2px;
    }

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

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

    .footer-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-search {
        display: none;
    }

    .hero-title {
        font-size: 36px;
    }

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

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

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .tech-grid {
        gap: 12px;
    }

    .tech-item {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}