/* Blueprint Schematics Design */
:root {
    --bg-dark: #0a1628;
    --bg-medium: #0f1e35;
    --blueprint-blue: #1a4a7a;
    --line-color: rgba(100, 180, 255, 0.3);
    --text: #c8daf0;
    --accent: #4a9eff;
    --highlight: #00d4ff;
}

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

body {
    font-family: 'Courier New', Consolas, monospace;
    background: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.7;
}

/* Design Switcher */
.design-jump {
    position: fixed;
    top: 10px;
    right: 10px;
    z-index: 9999;
    display: flex;
    gap: 8px;
    align-items: center;
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid var(--line-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 12px;
}

.design-jump .main-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

.design-jump select {
    background: var(--bg-medium);
    border: 1px solid var(--line-color);
    color: var(--text);
    border-radius: 6px;
    padding: 6px 8px;
    font-size: 12px;
    font-family: inherit;
}

.design-jump select option {
    background: var(--bg-dark);
    color: var(--text);
}

/* Navigation */
.blueprint-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    border-bottom: 1px solid var(--line-color);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    height: 60px;
    backdrop-filter: blur(10px);
}

.nav-brand {
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
}

.nav-links {
    margin-left: auto;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.85rem;
    opacity: 0.8;
    transition: opacity 0.2s, color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    opacity: 1;
    color: var(--accent);
}

/* Hero */
.hero {
    position: relative;
    padding: 8rem 2rem 4rem;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-medium) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid var(--line-color);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(var(--line-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--line-color) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
}

.hero h1 {
    position: relative;
    font-size: 2.5rem;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.hero p {
    position: relative;
    font-size: 1.1rem;
    color: var(--text);
    opacity: 0.8;
}

.hero-actions {
    position: relative;
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Main Content */
main {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Blueprint Sections */
.blueprint-section {
    position: relative;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--bg-medium);
    border: 1px solid var(--line-color);
    border-radius: 4px;
}

.section-marker {
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--bg-dark);
    padding: 0 0.75rem;
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.blueprint-section h2 {
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.blueprint-section h3 {
    color: var(--highlight);
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.blueprint-section a {
    color: var(--accent);
}

/* Profile Placeholder */
.profile-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blueprint-blue), var(--bg-dark));
    border: 2px solid var(--line-color);
    margin-bottom: 1rem;
}

/* Tech Specs / Chips */
.tech-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.spec {
    display: inline-block;
    background: rgba(74, 158, 255, 0.15);
    border: 1px solid var(--line-color);
    color: var(--accent);
    padding: 0.25rem 0.6rem;
    border-radius: 2px;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

/* Blueprint List */
.blueprint-list {
    list-style: none;
    padding-left: 1.5rem;
}

.blueprint-list li {
    position: relative;
    margin-bottom: 0.5rem;
}

.blueprint-list li::before {
    content: '├─';
    position: absolute;
    left: -1.5rem;
    color: var(--line-color);
}

.blueprint-list li:last-child::before {
    content: '└─';
}

/* Schematic Grid */
.schematic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.schematic-card {
    background: rgba(15, 30, 53, 0.8);
    border: 1px solid var(--line-color);
    border-radius: 4px;
    padding: 1.5rem;
    transition: border-color 0.2s;
}

.schematic-card:hover {
    border-color: var(--accent);
}

.schematic-card.featured {
    border-color: var(--accent);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.card-thumb {
    height: 120px;
    border-radius: 4px;
    margin-bottom: 1rem;
    border: 1px solid var(--line-color);
}

.schematic-card h3 {
    color: var(--highlight);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.schematic-card p {
    font-size: 0.9rem;
    opacity: 0.85;
}

.schematic-card .note {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

.card-actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 2px;
    font-size: 0.85rem;
    font-family: inherit;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    cursor: pointer;
}

.btn:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

.btn.primary {
    background: var(--accent);
    color: var(--bg-dark);
}

.btn.primary:hover {
    background: var(--highlight);
}

/* Design Gallery */
.design-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.design-link {
    display: inline-block;
    background: var(--bg-dark);
    border: 1px solid var(--line-color);
    color: var(--text);
    padding: 0.5rem 1rem;
    border-radius: 2px;
    font-size: 0.85rem;
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s;
}

.design-link:hover,
.design-link.active {
    border-color: var(--accent);
    color: var(--accent);
}

/* Coming Soon */
.coming-soon {
    text-align: center;
    padding: 3rem 1rem;
    border: 1px dashed var(--line-color);
    border-radius: 4px;
}

.construction-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.coming-soon h3 {
    color: var(--accent);
}

/* Blog Card */
.blog-card {
    background: rgba(15, 30, 53, 0.8);
    border: 1px solid var(--line-color);
    border-radius: 4px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.blog-card h3 {
    color: var(--highlight);
    margin-bottom: 0.5rem;
}

.blog-note {
    background: rgba(74, 158, 255, 0.1);
    border: 1px solid var(--line-color);
    padding: 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.blog-note code {
    background: var(--bg-dark);
    padding: 0.1rem 0.4rem;
    border-radius: 2px;
    color: var(--highlight);
}

/* Contact */
.contact-info {
    margin-bottom: 1.5rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

/* Social Links */
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 2px;
    color: #fff;
    font-size: 0.75rem;
    text-decoration: none;
    font-weight: bold;
}

.social-icon.facebook { background-color: #3b5998; }
.social-icon.twitter { background-color: #1da1f2; }
.social-icon.linkedin { background-color: #0077b5; }
.social-icon.pinterest { background-color: #bd081c; }
.social-icon.reddit { background-color: #ff4500; }
.social-icon.discord { background-color: #5865f2; }
.social-icon.patreon { background-color: #e85a18; }
.social-icon.paypal { background-color: #003087; }
.social-icon.stripe { background-color: #635bff; }
.social-icon.instagram { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fd5949 45%, #d6249f 60%, #285aeb 90%); }
.social-icon.youtube { background-color: #ff0000; }
.social-icon.tiktok { background: linear-gradient(45deg, #69c9d0, #ee1d52); }

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--line-color);
    font-size: 0.85rem;
    color: var(--text);
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .blueprint-nav {
        padding: 0 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero {
        padding: 6rem 1rem 3rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    main {
        padding: 2rem 1rem;
    }
    
    .blueprint-section {
        padding: 1.5rem 1rem;
    }
    
    .design-jump {
        top: auto;
        bottom: 10px;
        right: 10px;
    }
}