/* styles.css */
/* Modern Dark Mode Theme with Glassmorphism and Micro-Animations */

:root {
    --bg-primary: #0a0f1d;
    --bg-secondary: rgba(18, 26, 47, 0.6);
    --bg-glass: rgba(18, 26, 47, 0.4);
    --border-glass: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --color-primary: #10b981; /* Emerald/Teal */
    --color-primary-glow: rgba(16, 185, 129, 0.15);
    --color-secondary: #3b82f6; /* Royal Blue */
    --color-secondary-glow: rgba(59, 130, 246, 0.15);
    
    --glow-violet: rgba(139, 92, 246, 0.35);
    --glow-cyan: rgba(6, 182, 212, 0.35);
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Background Glow Effects */
.glass-bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--glow-violet) 0%, rgba(0,0,0,0) 70%);
    top: -200px;
    left: -200px;
    z-index: -1;
    filter: blur(80px);
    pointer-events: none;
    animation: pulseGlow 15s infinite alternate;
}

.glass-bg-glow.secondary {
    background: radial-gradient(circle, var(--glow-cyan) 0%, rgba(0,0,0,0) 70%);
    bottom: -200px;
    right: -200px;
    top: auto;
    left: auto;
    animation: pulseGlow 18s infinite alternate-reverse;
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.15) translate(50px, 50px); }
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 80px;
    background: rgba(10, 15, 29, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge-premium {
    font-size: 11px;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #ffffff;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    -webkit-text-fill-color: initial;
}

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.nav-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.nav-btn.active {
    color: #ffffff;
    background: var(--bg-secondary);
    border-color: var(--border-glass);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Layout container */
.content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px 100px;
}

.tab-pane {
    display: none;
    animation: fadeIn var(--transition-normal);
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 60px;
}

.hero-section h1 {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
    font-weight: 400;
}

/* Grid layout for cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

/* Base Card Styling */
.card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: var(--transition-normal);
}

.card-premium::before {
    background: linear-gradient(90deg, var(--color-secondary), #8b5cf6);
}

.card-local::before {
    background: linear-gradient(90deg, var(--color-primary), #34d399);
}

/* Glow on Hover */
.card-premium:hover {
    box-shadow: 0 0 30px var(--color-secondary-glow), 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-local:hover {
    box-shadow: 0 0 30px var(--color-primary-glow), 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--color-secondary-glow);
    color: #60a5fa;
    padding: 4px 12px;
    border-radius: 20px;
}

.local-badge {
    background: var(--color-primary-glow);
    color: #34d399;
}

.card-icon {
    font-size: 44px;
    margin-bottom: 24px;
}

.card h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.card-description {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 32px;
    flex-grow: 1;
}

/* Feature list inside cards */
.feature-list {
    list-style: none;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.feature-list li span {
    color: var(--color-primary);
    font-size: 16px;
}

.card-premium .feature-list li span {
    color: var(--color-secondary);
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    transform: scale(1.02);
}

.btn-secondary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    transform: scale(1.02);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
}

.btn-outline:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.03);
}

.btn-primary-inline {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.2);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-fast);
}

.btn-primary-inline:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
}

/* Detail Blocks */
.detail-block-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-top: 32px;
    animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.detail-block h3 {
    font-size: 22px;
    margin-bottom: 16px;
    font-weight: 700;
}

.detail-block p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 24px;
}

.step-guide {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.step {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,0.02);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.03);
}

.step-num {
    background: var(--color-secondary);
    color: #ffffff;
    width: 28px;
    height: 28px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: 13px;
}

.step-text {
    font-size: 14px;
    color: var(--text-primary);
}

.action-bar {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.action-bar .btn {
    width: auto;
}

/* Codebox style */
.code-box-wrapper {
    background: #020617;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 24px;
}

.code-box-header {
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border-glass);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-muted);
}

.btn-copy {
    background: transparent;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-copy:hover {
    color: #34d399;
}

.code-box-wrapper pre {
    padding: 24px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    color: #e2e8f0;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Warning Alerts */
.warning-alert {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: #fcd34d;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    margin-bottom: 24px;
}

/* Archive & Layout classes */
.image-wrapper {
    width: 100%;
    background: rgba(0,0,0,0.2);
    border-radius: var(--radius-md);
    padding: 12px;
    border: 1px solid var(--border-glass);
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.responsive-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.image-caption {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

.architecture-layout {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.arch-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.arch-card h3 {
    margin-bottom: 20px;
    font-size: 20px;
}

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

.arch-detail-item {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: var(--radius-md);
    padding: 24px;
}

.arch-detail-item h4 {
    color: #60a5fa;
    font-size: 16px;
    margin-bottom: 8px;
}

.arch-detail-item p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Security Features Tab */
.security-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.sec-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    gap: 20px;
}

.sec-icon {
    font-size: 32px;
}

.sec-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.sec-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

.compliance-callout {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
}

.compliance-callout h4 {
    margin-bottom: 16px;
    font-size: 16px;
    color: var(--text-secondary);
}

.tags-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.tag {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 500;
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 24px;
    border-top: 1px solid var(--border-glass);
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 60px;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.hidden {
    display: none !important;
}

/* Responsive adjustment */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 16px;
        padding: 16px 24px;
    }
    
    .cards-grid, .arch-details-grid, .security-features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-section h1 {
        font-size: 32px;
    }
}