:root {
    --color-bg-deep: #020a13;
    --color-bg: #041525;
    --color-bg-surface: #061c30;
    --color-bg-elevated: #082540;
    --color-cyan: #00d4ff;
    --color-cyan-soft: rgba(0, 212, 255, 0.15);
    --color-cyan-glow: rgba(0, 212, 255, 0.4);
    --color-teal: #0891b2;
    --color-orange: #f97316;
    --color-text-primary: #f0f9ff;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: rgba(0, 212, 255, 0.15);
    --color-border-bright: rgba(0, 212, 255, 0.3);
    --font-display: 'Outfit', -apple-system, sans-serif;
    --font-mono: 'Space Mono', monospace;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
    font-family: var(--font-display); 
    background: var(--color-bg-deep); 
    color: var(--color-text-primary); 
    line-height: 1.6; 
    font-size: 16px; 
    overflow-x: hidden; 
}

#network-canvas { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    z-index: 0; 
    opacity: 0.6; 
}
.content-wrapper { position: relative; z-index: 1; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 var(--space-md); }

nav { 
    position: fixed; 
    top: 0; 
    left: 0; 
    right: 0; 
    z-index: 100; 
    padding: var(--space-sm) 0; 
    background: rgba(2, 10, 19, 0.8); 
    backdrop-filter: blur(20px); 
    border-bottom: 1px solid transparent; 
    transition: all 0.3s ease; 
}
nav.scrolled { border-color: var(--color-border); background: rgba(2, 10, 19, 0.95); }
.nav-content { display: flex; justify-content: space-between; align-items: center; }
.nav-logo { 
    font-family: var(--font-mono); 
    font-size: 1.25rem; 
    font-weight: 700; 
    color: var(--color-cyan); 
    text-decoration: none; 
    text-shadow: 0 0 20px var(--color-cyan-glow); 
}
.nav-links { display: flex; gap: var(--space-lg); list-style: none; }
.nav-links a { 
    color: var(--color-text-secondary); 
    text-decoration: none; 
    font-size: 0.9rem; 
    font-weight: 500; 
    transition: all 0.3s ease; 
    position: relative; 
    padding: 4px 0; 
}
.nav-links a::after { 
    content: ''; 
    position: absolute; 
    bottom: 0; 
    left: 0; 
    width: 0; 
    height: 2px; 
    background: var(--color-cyan); 
    box-shadow: 0 0 10px var(--color-cyan-glow); 
    transition: width 0.3s ease; 
}
.nav-links a:hover, .nav-links a.active { color: var(--color-cyan); text-shadow: 0 0 10px var(--color-cyan-glow); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-toggle { display: none; background: none; border: none; color: var(--color-text-primary); cursor: pointer; padding: 8px; }

.btn { 
    display: inline-flex; 
    align-items: center; 
    gap: var(--space-xs); 
    padding: 0.875rem 1.75rem; 
    border-radius: var(--radius-sm); 
    font-size: 0.9rem; 
    font-weight: 600; 
    text-decoration: none; 
    transition: all 0.3s ease; 
    cursor: pointer; 
    border: none; 
}
.btn-primary { background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-teal) 100%); color: var(--color-bg-deep); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 40px rgba(0, 212, 255, 0.4); }
.btn-secondary { background: transparent; color: var(--color-text-primary); border: 1px solid var(--color-border-bright); }
.btn-secondary:hover { background: var(--color-cyan-soft); border-color: var(--color-cyan); box-shadow: 0 0 20px var(--color-cyan-glow); }

section { padding: var(--space-2xl) 0; position: relative; }
.section-header { margin-bottom: var(--space-xl); }
.section-eyebrow { 
    font-family: var(--font-mono); 
    font-size: 0.8rem; 
    color: var(--color-cyan); 
    text-transform: uppercase; 
    letter-spacing: 0.15em; 
    margin-bottom: var(--space-xs); 
    text-shadow: 0 0 10px var(--color-cyan-glow); 
}
.section-title { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; letter-spacing: -0.02em; }
.section-divider { height: 1px; background: linear-gradient(to right, transparent, var(--color-border-bright), transparent); margin: 0; }

.page-header { padding: calc(80px + var(--space-2xl)) 0 var(--space-xl); text-align: center; }
.page-title { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; margin-bottom: var(--space-sm); }
.page-description { font-size: 1.1rem; color: var(--color-text-secondary); max-width: 600px; margin: 0 auto; }

.card { 
    background: rgba(6, 28, 48, 0.5); 
    border: 1px solid var(--color-border); 
    border-radius: var(--radius-md); 
    padding: var(--space-lg); 
    transition: all 0.3s ease; 
}
.card:hover { 
    border-color: var(--color-cyan); 
    transform: translateY(-3px); 
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1); 
}

.tag { 
    font-family: var(--font-mono); 
    font-size: 0.7rem; 
    padding: 4px 10px; 
    background: var(--color-cyan-soft); 
    border: 1px solid var(--color-border); 
    border-radius: 4px; 
    color: var(--color-cyan); 
}

footer { border-top: 1px solid var(--color-border); padding: var(--space-lg) 0; margin-top: var(--space-xl); }
.footer-content { display: flex; justify-content: space-between; align-items: center; }
.footer-text { font-size: 0.85rem; color: var(--color-text-muted); }
.footer-social { display: flex; gap: var(--space-sm); }
.social-link { 
    width: 44px; 
    height: 44px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    background: var(--color-bg-surface); 
    border: 1px solid var(--color-border); 
    border-radius: var(--radius-sm); 
    color: var(--color-text-secondary); 
    text-decoration: none; 
    transition: all 0.3s ease; 
}
.social-link:hover { border-color: var(--color-cyan); color: var(--color-cyan); box-shadow: 0 0 20px var(--color-cyan-glow); }

.back-link { 
    color: var(--color-cyan); 
    text-decoration: none; 
    font-size: 0.9rem; 
    display: inline-flex; 
    align-items: center; 
    gap: var(--space-xs); 
}
.back-link:hover { text-decoration: underline; }

.view-all-link { 
    display: inline-flex; 
    align-items: center; 
    gap: var(--space-xs); 
    color: var(--color-cyan); 
    text-decoration: none; 
    font-weight: 500; 
    margin-top: var(--space-lg); 
    transition: all 0.3s ease; 
}
.view-all-link:hover { gap: var(--space-sm); text-shadow: 0 0 10px var(--color-cyan-glow); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(1.3); } }
@keyframes glowPulse { 0%, 100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 0.8; transform: scale(1.05); } }

@media (max-width: 900px) {
    .nav-links { 
        display: none; 
        position: absolute; 
        top: 100%; 
        left: 0; 
        right: 0; 
        flex-direction: column; 
        background: rgba(2, 10, 19, 0.98); 
        padding: var(--space-md); 
        gap: var(--space-sm); 
        border-bottom: 1px solid var(--color-border); 
    }
    .nav-links.active { display: flex; }
    .nav-toggle { display: block; }
}

@media (max-width: 600px) {
    .footer-content { flex-direction: column; gap: var(--space-md); text-align: center; }
}