/* ==========================================================================
   Design System & Variable Declarations
   ========================================================================== */
:root {
    --bg-primary: #080a10;
    --bg-secondary: #0f1322;
    --bg-card: rgba(17, 22, 40, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-gold: #b5945b;
    --accent-gold-glow: rgba(181, 148, 91, 0.25);
    
    --success: #10b981;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ==========================================================================
   Global Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-box-shadow: border-box;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* ==========================================================================
   Dynamic Background Glows & Grid
   ========================================================================== */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -2;
    opacity: 0.15;
    pointer-events: none;
    animation: pulseGlow 15s infinite alternate ease-in-out;
}

.bg-glow-1 {
    top: -100px;
    right: -100px;
    background: radial-gradient(circle, var(--accent-gold) 0%, rgba(0,0,0,0) 70%);
}

.bg-glow-2 {
    bottom: -150px;
    left: -150px;
    background: radial-gradient(circle, #3b82f6 0%, rgba(0,0,0,0) 70%);
    animation-delay: -7s;
}

.bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at 50% 50%, black, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black, transparent 80%);
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.12; }
    50% { transform: scale(1.15) translate(30px, -20px); opacity: 0.18; }
    100% { transform: scale(0.9) translate(-20px, 30px); opacity: 0.12; }
}

/* ==========================================================================
   App Container & Navigation Layout
   ========================================================================== */
.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    cursor: pointer;
}

.logo-accent {
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text {
    color: var(--text-primary);
}

.badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.25rem 0.6rem;
    background: rgba(181, 148, 91, 0.1);
    color: var(--accent-gold);
    border: 1px solid rgba(181, 148, 91, 0.2);
    border-radius: 99px;
    margin-left: 0.75rem;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

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

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-icon {
    opacity: 0.8;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding: 5rem 0 3.5rem 0;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, #f8fafc 20%, var(--accent-gold) 60%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 3rem auto;
    font-weight: 400;
}

/* Dashboard Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pulse-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* ==========================================================================
   Controls Bar (Search & Filter)
   ========================================================================== */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.search-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    width: 350px;
    transition: var(--transition-smooth);
}

.search-box:focus-within {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 2px var(--accent-gold-glow);
}

.search-icon {
    color: var(--text-muted);
}

.search-box input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    width: 100%;
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.filter-btn.active {
    background: rgba(181, 148, 91, 0.1);
    color: var(--accent-gold);
    border-color: rgba(181, 148, 91, 0.2);
}

/* ==========================================================================
   Projects Grid & Cards
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition-bounce);
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.card-visual {
    height: 140px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-accent-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.75;
    transition: var(--transition-smooth);
}

.project-card:hover .card-accent-bg {
    transform: scale(1.05);
    opacity: 0.9;
}

.visual-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255,255,255,0.1) 1.5px, transparent 1.5px);
    background-size: 15px 15px;
    opacity: 0.4;
}

.card-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.status-active {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-soon {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-sample {
    background: rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-category {
    font-size: 0.75rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.3px;
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    flex-grow: 1;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
}

.tag {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.2rem 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
}

.card-footer {
    display: flex;
    gap: 0.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
    margin-top: auto;
}

.btn-primary {
    flex-grow: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--text-primary);
    color: var(--bg-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    background: #cbd5e1;
    transform: translateY(-2px);
}

.btn-secondary {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.6rem;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-card);
    border: 1px dashed var(--border-color);
    border-radius: 16px;
    margin-bottom: 5rem;
}

.empty-icon {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==========================================================================
   Documentation / Developer Guide
   ========================================================================== */
.docs-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 6rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.docs-header {
    text-align: center;
    margin-bottom: 3rem;
}

.docs-header h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.docs-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    padding-top: 1rem;
}

.step-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-gold);
    line-height: 1;
    opacity: 0.8;
}

.step-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.code-block {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8rem;
    color: #e2e8f0;
    overflow-x: auto;
    margin-top: 0.5rem;
}

.file-hl {
    color: var(--accent-gold);
    font-family: monospace;
    font-weight: 600;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 2rem;
}

.footer-meta {
    font-size: 0.85rem;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: 0 1rem;
    }
    
    .main-header {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .controls-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        width: 100%;
    }
    
    .filter-buttons {
        overflow-x: auto;
        padding-bottom: 0.5rem;
        white-space: nowrap;
    }
    
    .main-footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}