/* Enhanced Portfolio Styles with Modern Visual Improvements */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500&display=swap');

/* CSS Variables for consistent theming */
:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #111111;
    --card-bg: #1a1a1a;
    --accent-color: #6366f1;
    --accent-secondary: #f59e0b;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --border-color: #333333;
    --shadow-color: rgba(99, 102, 241, 0.2);
    --glow-color: rgba(99, 102, 241, 0.4);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 107, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(79, 172, 254, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Enhanced Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0.3;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.5px;
    padding: 12px 24px;
    border-radius: 8px;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-1px);
}

.nav-links a i {
    font-size: 14px;
}

.nav-links a.active {
    color: var(--accent-color);
    background: rgba(99, 102, 241, 0.1);
}

/* Enhanced Hero Section */
.hero {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin-top: 0;
    position: relative;
    background: 
        linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(17, 17, 17, 0.9)),
        url('anime.png') center/cover no-repeat;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
    animation: backgroundShift 10s ease-in-out infinite alternate;
}

@keyframes backgroundShift {
    0% { transform: translateX(-20px) translateY(-10px); }
    100% { transform: translateX(20px) translateY(10px); }
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), #8b5cf6, var(--accent-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    z-index: 1;
}

/* Remove the problematic textGlow animation */

/* Enhanced About Section */
.about {
    background: var(--card-bg);
    padding: 60px 40px;
    border-radius: 20px;
    margin: 80px 0;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    animation: shimmer 2s linear infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.about h1 {
    color: var(--accent-color);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.about h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
    transform: translateX(-50%);
}

.about p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    color: var(--text-secondary);
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.about li {
    background: var(--gradient-primary);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.about li::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.about li:hover::before {
    left: 100%;
}

.about li:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Enhanced Write-ups Section */
.write-ups h1 {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin: 100px 0 60px 0;
    background: var(--gradient-secondary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.write-ups-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 0 20px 100px 20px;
}

.write-up-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
    position: relative;
    text-decoration: none;
    color: inherit;
}

.write-up-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(79, 172, 254, 0.1));
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 1;
}

.write-up-card:hover::before {
    opacity: 1;
}

.write-up-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border-color: var(--accent-color);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.write-up-card:hover .card-image {
    transform: scale(1.1);
}

.card-content {
    padding: 25px;
    position: relative;
    z-index: 2;
}

.card-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Enhanced Content Pages */
.contents {
    max-width: 1000px;
    margin: 120px auto 60px auto;
    padding: 0 20px;
}

.contents h1 {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 40px;
    background: var(--gradient-accent);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contents h2 {
    color: var(--accent-color);
    font-size: 1.8rem;
    font-weight: 600;
    margin: 40px 0 20px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.contents h3 {
    color: var(--accent-secondary);
    font-size: 1.4rem;
    font-weight: 500;
    margin: 30px 0 15px 0;
}

.contents p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1rem;
}

.contents img {
    display: block;
    margin: 30px auto;
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.contents img:hover {
    transform: scale(1.02);
}

/* Enhanced Code Blocks */
.snippet {
    margin: 25px 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: #0d1117;
}

.code-block {
    background: #0d1117;
    color: #c9d1d9;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    padding: 20px;
    font-size: 0.9rem;
    line-height: 1.5;
    overflow-x: auto;
    position: relative;
}

.code-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-color);
}

code {
    background: rgba(0, 255, 136, 0.1);
    color: var(--accent-color);
    font-family: 'JetBrains Mono', monospace;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

/* HTB Badge Enhancement */
.htb-banner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 0;
    margin: 40px 0;
}

.htb-badge {
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    border-radius: 10px;
    overflow: hidden;
}

.htb-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.htb-badge img {
    width: 300px;
    max-width: 100%;
    display: block;
}

/* Image Size Classes */
.big-to-normal-image img {
    max-width: 600px;
}

.small-to-big-image img {
    max-width: 1200px;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00cc6a;
}

/* Animations for page load */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.write-up-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

.write-up-card:nth-child(1) { animation-delay: 0.1s; }
.write-up-card:nth-child(2) { animation-delay: 0.2s; }
.write-up-card:nth-child(3) { animation-delay: 0.3s; }
.write-up-card:nth-child(4) { animation-delay: 0.4s; }
.write-up-card:nth-child(5) { animation-delay: 0.5s; }
.write-up-card:nth-child(6) { animation-delay: 0.6s; }

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .about {
        padding: 40px 20px;
        margin: 60px 0;
    }
    
    .about ul {
        gap: 15px;
    }
    
    .about li {
        padding: 10px 20px;
        font-size: 0.8rem;
    }
    
    .write-ups-container {
        grid-template-columns: 1fr;
        gap: 25px;
        margin: 0 10px;
    }
    
    .contents {
        margin-top: 100px;
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .about ul {
        flex-direction: column;
        align-items: center;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for accessibility */
.nav-links a:focus,
.write-up-card:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Link styling improvements */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #8b5cf6;
    text-decoration: underline;
}

a:visited {
    color: var(--accent-color);
}

/* Selection styling */
::selection {
    background: var(--accent-color);
    color: var(--primary-bg);
}