:root {
    /* Color Palette - Dark Blue Theme */
    --primary-dark: #0a1628;
    --primary-blue: #1e3a8a;
    --secondary-blue: #2563eb;
    --accent-blue: #3b82f6;
    --light-blue: #60a5fa;
    --very-light-blue: #93c5fd;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #334155;
    --bg-hover: #475569;
    
    --border-color: #334155;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    /* Typography */
    --font-primary: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-primary) 50%, #0c1a2e 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Animated Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(30, 58, 138, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Main Container */
.main-container {
    max-width: 680px;
    margin: 0 auto;
    padding: 60px 20px 40px;
    position: relative;
    z-index: 1;
}

/* Profile Section */
.profile-section {
    text-align: center;
    margin-bottom: 40px;
}

.profile-image-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 24px;
}

.profile-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--secondary-blue);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-base);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

.profile-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.profile-bio {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
    font-weight: 300;
    max-width: 500px;
    margin: 0 auto;
}

/* Social Icons */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    padding: 0 20px;
}

.social-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.social-icon i {
    position: relative;
    z-index: 1;
}

.social-icon:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.social-icon:hover::before {
    opacity: 1;
}

/* Links Section */
.links-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.link-item {
    position: relative;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 20px 24px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 16px;
    overflow: hidden;
    cursor: pointer;
}

.link-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--secondary-blue), var(--accent-blue));
    transform: scaleY(0);
    transition: transform var(--transition-base);
    transform-origin: bottom;
}

.link-item:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

.link-item:hover {
    background: var(--bg-card);
    border-color: var(--accent-blue);
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.link-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.link-item:hover .link-icon {
    transform: rotate(5deg) scale(1.1);
}

.link-content {
    flex: 1;
}

.link-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.link-url-display {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 4px 0 0;
    font-family: var(--font-mono);
    opacity: 0.8;
}

.link-arrow {
    font-size: 24px;
    color: var(--text-muted);
    transition: all var(--transition-base);
    opacity: 0;
}

.link-item:hover .link-arrow {
    opacity: 1;
    transform: translateX(4px);
}

/* Link Styles Variants */
.link-item.style-outline {
    background: transparent;
    border: 2px solid var(--secondary-blue);
}

.link-item.style-outline:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
}

.link-item.style-filled {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border: 2px solid transparent;
}

.link-item.style-filled:hover {
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    transform: translateY(-4px);
}

/* Footer */
.footer {
    text-align: center;
    padding: 32px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

.footer p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-stats {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    margin-top: 12px;
}

.footer-stats span {
    display: inline-flex;
    align-items: center;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.link-item {
    animation: fadeIn var(--transition-base) ease-out;
    animation-fill-mode: both;
}

.link-item:nth-child(1) { animation-delay: 0.1s; }
.link-item:nth-child(2) { animation-delay: 0.2s; }
.link-item:nth-child(3) { animation-delay: 0.3s; }
.link-item:nth-child(4) { animation-delay: 0.4s; }
.link-item:nth-child(5) { animation-delay: 0.5s; }
.link-item:nth-child(6) { animation-delay: 0.6s; }
.link-item:nth-child(7) { animation-delay: 0.7s; }
.link-item:nth-child(8) { animation-delay: 0.8s; }

/* Tooltips */
.tooltip-inner {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-family: var(--font-primary);
    font-size: 0.875rem;
}

.tooltip.bs-tooltip-top .tooltip-arrow::before {
    border-top-color: var(--border-color);
}

.tooltip.bs-tooltip-bottom .tooltip-arrow::before {
    border-bottom-color: var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-container {
        padding: 40px 16px 32px;
    }
    
    .profile-name {
        font-size: 1.75rem;
    }
    
    .profile-bio {
        font-size: 0.9375rem;
    }
    
    .social-icons {
        gap: 12px;
    }
    
    .social-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    
    .link-item {
        padding: 16px 20px;
    }
    
    .link-title {
        font-size: 1rem;
    }
    
    .link-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
    
    .link-url-display {
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .profile-name {
        font-size: 1.5rem;
    }
    
    .profile-image {
        width: 100px;
        height: 100px;
    }
    
    .footer-stats {
        flex-direction: column;
        gap: 8px;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 20px;
    }
    
    .link-item {
        padding: 14px 16px;
        gap: 12px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background: var(--secondary-blue);
    color: var(--text-primary);
}

::-moz-selection {
    background: var(--secondary-blue);
    color: var(--text-primary);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 6px;
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-hover);
}