/* ============================================
   ALCHEMICAL PORTFOLIO - MAIN STYLES
   Duncan Campbell - Modern Alchemist
   ============================================ */

/* ============================================
   BASE & RESET
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Alchemical Color Palette */
    --color-void: #0a0a0f;
    --color-obsidian: #0d1117;
    --color-charcoal: #161b22;
    --color-slate: #21262d;
    --color-ash: #30363d;
    --color-mercury: #6e7681;
    --color-silver: #8b949e;
    --color-platinum: #c9d1d9;
    --color-pearl: #e5e7eb;
    --color-alabaster: #f0f6fc;

    /* Alchemical Accent Colors */
    --color-philosopher-stone: #a855f7;
    --color-amethyst: #8b5cf6;
    --color-gold: #f59e0b;
    --color-emerald: #10b981;
    --color-ruby: #ef4444;
    --color-sapphire: #3b82f6;

    /* Element Colors for Pillars */
    --color-lab-glow: rgba(168, 85, 247, 0.15);
    --color-workshop-glow: rgba(245, 158, 11, 0.15);
    --color-explorer-glow: rgba(16, 185, 129, 0.15);

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-display: 'Georgia', 'Times New Roman', serif;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 80px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-pearl);
    background: var(--color-void);
    min-height: 100vh;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-alabaster);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    border-bottom: 1px solid var(--color-slate);
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.logo {
    font-weight: 600;
    font-size: 16px;
    color: var(--color-alabaster);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-symbol {
    font-size: 20px;
    color: var(--color-philosopher-stone);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-silver);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
    font-size: 14px;
    position: relative;
}

.nav-link:hover {
    color: var(--color-alabaster);
}

.nav-link.active {
    color: var(--color-philosopher-stone);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -17px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-philosopher-stone);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-2xl);
    border-bottom: 1px solid var(--color-slate);
    background: linear-gradient(180deg, var(--color-lab-glow) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-lab-glow) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 20px;
    color: var(--color-philosopher-stone);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-alabaster);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero .subtitle {
    font-size: 24px;
    color: var(--color-philosopher-stone);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    font-family: var(--font-display);
    font-style: italic;
}

.hero .description {
    font-size: 18px;
    color: var(--color-silver);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: var(--spacing-md);
}

.pillars-intro {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(168, 85, 247, 0.05);
    border-left: 3px solid var(--color-philosopher-stone);
    border-radius: var(--radius-sm);
}

.pillars-intro h3 {
    font-size: 16px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-philosopher-stone);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.pillar-quick {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    color: var(--color-platinum);
}

.pillar-icon {
    font-size: 18px;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-philosopher-stone);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-philosopher-stone);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   SECTION LAYOUT
   ============================================ */
.section {
    padding: var(--spacing-2xl) var(--spacing-lg);
    border-bottom: 1px solid var(--color-slate);
    position: relative;
}

.section.pillar-lab {
    background: linear-gradient(180deg, transparent 0%, var(--color-lab-glow) 50%, transparent 100%);
}

.section.pillar-workshop {
    background: linear-gradient(180deg, transparent 0%, var(--color-workshop-glow) 50%, transparent 100%);
}

.section.pillar-explorer {
    background: linear-gradient(180deg, transparent 0%, var(--color-explorer-glow) 50%, transparent 100%);
}

.section-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.section-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.section-badge.lab {
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.3);
    color: var(--color-philosopher-stone);
}

.section-badge.workshop {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--color-gold);
}

.section-badge.explorer {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--color-emerald);
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    color: var(--color-alabaster);
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    color: var(--color-silver);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.update-date {
    color: var(--color-mercury);
    font-size: 14px;
    font-style: italic;
}

.section-quote {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 16px;
    color: var(--color-platinum);
    text-align: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-left: 3px solid var(--color-ash);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-charcoal);
    border: 1px solid var(--color-slate);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-philosopher-stone), var(--color-amethyst));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    border-color: var(--color-ash);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: var(--spacing-sm);
}

.card-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-philosopher-stone), var(--color-amethyst));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.card-icon.gold {
    background: linear-gradient(135deg, var(--color-gold), #d97706);
}

.card-icon.emerald {
    background: linear-gradient(135deg, var(--color-emerald), #059669);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-alabaster);
}

.card-content {
    color: var(--color-silver);
    line-height: 1.6;
}

.card-content p {
    margin-bottom: var(--spacing-sm);
}

.card-content p:last-child {
    margin-bottom: 0;
}

/* ============================================
   TECH STACK & TAGS
   ============================================ */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.tech-tag {
    padding: 4px 12px;
    background: var(--color-slate);
    border: 1px solid var(--color-ash);
    color: var(--color-pearl);
    border-radius: 16px;
    font-size: 11px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background: var(--color-ash);
    border-color: var(--color-philosopher-stone);
}

/* ============================================
   PROJECT LIST
   ============================================ */
.project-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.project-item {
    padding: var(--spacing-md);
    background: var(--color-obsidian);
    border: 1px solid var(--color-slate);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
}

.project-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-philosopher-stone);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-item:hover {
    border-color: var(--color-philosopher-stone);
    background: rgba(168, 85, 247, 0.02);
}

.project-item:hover::before {
    opacity: 1;
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.project-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-alabaster);
}

.project-status {
    padding: 2px 8px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: var(--color-emerald);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.project-status.active {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.2);
    color: var(--color-emerald);
}

.project-status.building {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--color-gold);
}

.project-description {
    color: var(--color-silver);
    margin-bottom: 12px;
    line-height: 1.6;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 12px;
    color: var(--color-mercury);
}

/* ============================================
   ADVENTURE GRID
   ============================================ */
.adventure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.adventure-card {
    background: var(--color-charcoal);
    border: 1px solid var(--color-slate);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    position: relative;
}

.adventure-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-emerald), #059669);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.adventure-card:hover {
    border-color: var(--color-emerald);
    transform: translateY(-2px);
}

.adventure-card:hover::before {
    opacity: 1;
}

.adventure-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.adventure-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-alabaster);
    margin-bottom: var(--spacing-xs);
}

.adventure-description {
    color: var(--color-silver);
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1px;
    background: var(--color-slate);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.contact-item {
    background: var(--color-charcoal);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: background var(--transition-base);
}

.contact-item:hover {
    background: var(--color-slate);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-philosopher-stone), var(--color-amethyst));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.contact-info h4 {
    color: var(--color-alabaster);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-info p {
    color: var(--color-silver);
    font-size: 13px;
}

.contact-info a {
    color: var(--color-silver);
    text-decoration: none;
    transition: color var(--transition-base);
}

.contact-info a:hover {
    color: var(--color-philosopher-stone);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    color: var(--color-mercury);
    font-size: 14px;
    border-top: 1px solid var(--color-slate);
}

.footer-symbol {
    font-size: 24px;
    margin-bottom: var(--spacing-xs);
    color: var(--color-philosopher-stone);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .nav {
        padding: var(--spacing-sm) 20px;
    }

    .nav-links {
        gap: 20px;
    }

    .hero {
        padding: var(--spacing-2xl) 20px var(--spacing-xl);
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero .subtitle {
        font-size: 20px;
    }

    .hero .description {
        font-size: 16px;
    }

    .section {
        padding: var(--spacing-xl) 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }