/* ========================================
   CSS Variables & Theme Support
   ======================================== */
:root {
    /* Dark Theme (Default) */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --bg-card: rgba(20, 20, 20, 0.8);
    --bg-card-hover: rgba(30, 30, 30, 0.9);

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;

    --accent: #ffffff;
    --accent-secondary: #cccccc;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.3);

    --shadow-glow: 0 0 40px rgba(255, 255, 255, 0.1);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.5);

    --gradient-text: linear-gradient(135deg, #ffffff, #888888);
    --gradient-btn: linear-gradient(135deg, #ffffff, #cccccc);

    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-theme: 0.4s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #eeeeee;
    --bg-card: rgba(245, 245, 245, 0.9);
    --bg-card-hover: rgba(235, 235, 235, 0.95);

    --text-primary: #000000;
    --text-secondary: #444444;
    --text-muted: #888888;

    --accent: #000000;
    --accent-secondary: #333333;
    --border-color: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.3);

    --shadow-glow: 0 0 40px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.1);

    --gradient-text: linear-gradient(135deg, #000000, #444444);
    --gradient-btn: linear-gradient(135deg, #000000, #333333);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 0;
}

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

/* Firefox Scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-hover) var(--bg-secondary);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background var(--transition-theme), color var(--transition-theme);
    cursor: none !important;
}

/* Hide cursor everywhere */
*, *::before, *::after {
    cursor: none !important;
}

/* Custom Cursor - Hand pointer */
.cursor-hand {
    position: fixed;
    pointer-events: none;
    z-index: 99999;
    font-size: 32px;
    transform: translate(-5px, -5px);
    transition: transform 0.1s ease-out, opacity 0.15s ease-out;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.cursor-hand svg {
    width: 32px;
    height: 32px;
    fill: var(--text-primary);
    transition: fill var(--transition-theme), transform 0.15s ease-out;
}

.cursor-hand.clicking svg {
    transform: scale(0.85) rotate(-10deg);
}

.cursor-hand.hover svg {
    transform: scale(1.1);
}

/* Smooth language transition for all translatable elements */
[data-i18n] {
    transition: opacity 0.3s ease;
}

.lang-switching [data-i18n] {
    opacity: 0;
}

/* Hide custom cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
    .cursor-hand {
        display: none !important;
    }
    body, *, *::before, *::after {
        cursor: auto !important;
    }
}

h1, h2, h3, h4, h5, h6,
.hero-title,
.section-title,
.category-title,
.project-title,
.nav-logo {
    font-family: 'Unbounded', cursive;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ========================================
   Animated Background
   ======================================== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    transition: opacity var(--transition-theme);
}

[data-theme="light"] .bg-animation {
    opacity: 0.3;
}

.stars, .stars2, .stars3 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    transition: transform 0.3s ease-out;
}

.stars {
    background: radial-gradient(2px 2px at 20px 30px, var(--text-muted), transparent),
                radial-gradient(2px 2px at 40px 70px, var(--text-muted), transparent),
                radial-gradient(1px 1px at 90px 40px, var(--text-secondary), transparent),
                radial-gradient(2px 2px at 130px 80px, var(--text-muted), transparent),
                radial-gradient(1px 1px at 160px 120px, var(--text-secondary), transparent);
    background-size: 200px 200px;
    animation: twinkle 4s ease-in-out infinite;
}

.stars2 {
    background: radial-gradient(1px 1px at 50px 50px, var(--text-muted), transparent),
                radial-gradient(2px 2px at 100px 150px, var(--text-secondary), transparent),
                radial-gradient(1px 1px at 150px 80px, var(--text-muted), transparent);
    background-size: 250px 250px;
    animation: twinkle 6s ease-in-out infinite reverse;
    animation-delay: 1s;
}

.stars3 {
    background: radial-gradient(1px 1px at 80px 120px, var(--text-muted), transparent),
                radial-gradient(2px 2px at 180px 60px, var(--text-secondary), transparent);
    background-size: 300px 300px;
    animation: twinkle 8s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: var(--bg-primary);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-theme);
}

.navbar.scrolled {
    padding: 0.75rem 2rem;
    background: var(--bg-secondary);
}

.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo-bracket {
    color: var(--text-muted);
    transition: color var(--transition-theme);
}

.logo-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-medium);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Nav buttons container */
.nav-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Theme Toggle Button */
.theme-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 0;
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.theme-toggle:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: scale(1.05);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
    transition: all var(--transition-medium);
}

/* Language Toggle Button */
.lang-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 0;
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.lang-toggle:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: scale(1.05);
}

.lang-text {
    font-family: 'Unbounded', cursive;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.sun-icon {
    display: none;
}

.moon-icon {
    display: block;
}

[data-theme="light"] .sun-icon {
    display: block;
}

[data-theme="light"] .moon-icon {
    display: none;
}

.nav-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.nav-burger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-medium);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 2rem;
    position: relative;
}


.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    width: 100%;
    align-items: center;
}

/* Terminal Styles */
.terminal {
    background: var(--bg-secondary);
    border-radius: 0;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    animation: float 6s ease-in-out infinite;
    transition: all var(--transition-theme);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-theme);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

.btn-close { background: var(--text-muted); }
.btn-minimize { background: var(--text-secondary); }
.btn-maximize { background: var(--text-primary); }

.terminal-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex: 1;
    text-align: center;
    transition: color var(--transition-theme);
}

.terminal-body {
    padding: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    min-height: 200px;
    transition: all var(--transition-theme);
}

.terminal-body.small {
    min-height: auto;
    font-size: 0.8rem;
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.prompt {
    color: var(--accent);
    font-weight: 700;
    transition: color var(--transition-theme);
}

.command {
    color: var(--text-primary);
    transition: color var(--transition-theme);
}

.cursor {
    color: var(--accent);
    animation: blink 1s step-end infinite;
}

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

.terminal-output {
    color: var(--text-secondary);
    margin-top: 1rem;
    line-height: 1.8;
    transition: color var(--transition-theme);
}

.terminal-output .highlight {
    color: var(--text-primary);
}

.terminal-output .success {
    color: var(--text-primary);
    font-weight: 600;
}

.json-output {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 0.75rem;
    line-height: 1.6;
    transition: color var(--transition-theme);
}

/* Hero Text */
.hero-text {
    padding-right: 2rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
    transition: color var(--transition-theme);
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 0.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-role {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    transition: color var(--transition-theme);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-family: 'JetBrains Mono', monospace;
    transition: color var(--transition-theme);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 0;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-medium);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .btn-primary {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent);
    background: var(--bg-card);
}

/* Large ASCII Art */
.ascii-art-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 50;
    pointer-events: none;
}

.ascii-art-container.interactive {
    pointer-events: auto;
    cursor: pointer;
}

.ascii-art-large {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    line-height: 1.15;
    color: var(--text-primary);
    margin: 0;
    white-space: pre;
    opacity: 0.4;
    transition: opacity 0.5s ease, color var(--transition-theme), transform 0.3s ease;
    text-align: left;
}

.ascii-art-container:hover .ascii-art-large {
    opacity: 0.8;
    transform: translateY(-5px);
}

.ascii-art-container.meow .ascii-art-large {
    animation: catPulse 0.5s ease-in-out;
}

@keyframes catPulse {
    0%, 100% { opacity: 0.4; transform: scale(1) translateY(-5px); }
    50% { opacity: 0.9; transform: scale(1.05) translateY(-10px); }
}

/* Meow bubble for large art */
.ascii-art-container.meow::after {
    content: 'meow~';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-card);
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--border-color);
    opacity: 0;
    animation: meowFloat 0.8s ease-out forwards;
    pointer-events: none;
}

@keyframes meowFloat {
    0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
    20% { opacity: 1; }
    100% { opacity: 0; transform: translateX(-50%) translateY(-30px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
    transition: color var(--transition-theme);
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 0;
    position: relative;
    transition: border-color var(--transition-theme);
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
    transition: background var(--transition-theme);
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   Animations for fade-in
   ======================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Sections Common
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
    transition: background var(--transition-theme);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: color var(--transition-theme);
}

.title-decoration {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    transition: color var(--transition-theme);
}

/* Glass Card */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0;
    backdrop-filter: blur(10px);
    transition: all var(--transition-medium);
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.about-card {
    padding: 2rem;
    text-align: center;
}

.about-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: transparent;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-theme);
}

.about-icon svg {
    width: 30px;
    height: 30px;
    color: var(--text-primary);
    transition: color var(--transition-theme);
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: color var(--transition-theme);
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    transition: color var(--transition-theme);
}

/* Stats */
.about-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-size: 2rem;
    color: var(--text-muted);
    transition: color var(--transition-theme);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 0.5rem;
    transition: color var(--transition-theme);
}

/* ========================================
   Skills Section
   ======================================== */
.skills {
    background: var(--bg-primary);
}

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

/* Flip Card for Skills */
.skill-category-flip {
    perspective: 1000px;
    height: 320px;
    cursor: pointer;
}

.skill-category-inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.skill-category-front,
.skill-category-back {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    border-radius: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.skill-category-front {
    opacity: 1;
    visibility: visible;
}

.skill-category-back {
    opacity: 0;
    visibility: hidden;
}

.skill-category-flip.flipped .skill-category-front {
    opacity: 0;
    visibility: hidden;
}

.skill-category-flip.flipped .skill-category-back {
    opacity: 1;
    visibility: visible;
}

.skill-category-back .category-title {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.skill-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    overflow-y: auto;
}

.skill-detail {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.skill-detail:last-child {
    border-bottom: none;
}

.skill-detail strong {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.skill-detail p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    line-height: 1.5;
}

.flip-hint {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: auto;
    padding-top: 0.75rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.skill-category-flip:hover .flip-hint,
.project-card-flip:hover .flip-hint {
    opacity: 1;
}

/* Skill Tags */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.skill-tag {
    padding: 0.4rem 0.8rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.skill-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    flex: 1;
}

.skill-full-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    flex: 1;
}

.skill-category {
    padding: 2rem;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    transition: color var(--transition-theme);
}

.category-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon svg,
.category-title svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
    stroke: currentColor;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.skill-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 1rem;
    align-items: center;
}

.skill-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    transition: background var(--transition-theme);
}

.skill-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

[data-theme="light"] .skill-icon img {
    filter: grayscale(100%);
}

.skill-name {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    transition: color var(--transition-theme);
}

.skill-bar {
    grid-column: 2;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 0;
    overflow: hidden;
    transition: background var(--transition-theme);
}

.skill-progress {
    height: 100%;
    background: var(--accent);
    border-radius: 0;
    width: 0;
    transition: width 1s ease, background var(--transition-theme);
}

.skill-item.animate .skill-progress {
    width: var(--progress);
}

/* ========================================
   Projects Section
   ======================================== */
.projects {
    background: var(--bg-secondary);
}

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

/* Flip Card for Projects */
.project-card-flip {
    perspective: 1000px;
    height: 340px;
    cursor: pointer;
}

.project-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.project-card-front,
.project-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.project-card-front {
    opacity: 1;
    visibility: visible;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.project-number {
    font-family: 'Unbounded', cursive;
    font-size: 4rem;
    font-weight: 800;
    color: var(--border-color);
    line-height: 1;
    margin-bottom: 1rem;
    transition: color var(--transition-fast);
}

.project-card-flip:hover .project-number {
    color: var(--text-muted);
}

.project-card-back {
    opacity: 0;
    visibility: hidden;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.project-card-flip.flipped .project-card-front {
    opacity: 0;
    visibility: hidden;
}

.project-card-flip.flipped .project-card-back {
    opacity: 1;
    visibility: visible;
}

.project-card-back .project-title {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.project-full-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 1rem;
}

.project-card-back .project-tags {
    margin-bottom: 0.5rem;
}

.project-card-back .flip-hint {
    margin-top: 0.5rem;
}

.project-card {
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.project-card:hover .project-overlay {
    opacity: 0.95;
}

.project-link {
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all var(--transition-medium);
    transform: translateY(20px);
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.project-link svg {
    width: 20px;
    height: 20px;
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    transition: color var(--transition-theme);
}

.project-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    transition: color var(--transition-theme);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    transition: all var(--transition-theme);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-info {
    padding: 2.5rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: color var(--transition-theme);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
    transition: color var(--transition-theme);
}

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

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-medium);
}

.contact-link:hover {
    background: var(--accent);
    color: var(--bg-primary);
    transform: translateX(5px);
}

.contact-link svg {
    width: 24px;
    height: 24px;
}

.contact-terminal {
    overflow: hidden;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-secondary);
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    transition: all var(--transition-theme);
}

.footer-section {
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    box-sizing: border-box;
}

.footer-wrapper {
    text-align: center;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    transition: color var(--transition-theme);
}

.heart {
    color: var(--text-primary);
    animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: color var(--transition-theme);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-text {
        padding-right: 0;
        order: 1;
    }

    .terminal {
        order: 2;
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content,
    .skills-grid,
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skill-category-flip {
        height: 350px;
    }

    .project-card-flip {
        height: 360px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        width: 100%;
        height: auto;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        transition: transform var(--transition-medium), opacity var(--transition-medium), background var(--transition-theme);
        border-bottom: 1px solid var(--border-color);
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-burger {
        display: flex;
        z-index: 1001;
    }

    .nav-burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-burger.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .theme-toggle {
        margin-right: 0.5rem;
    }

    .about-content,
    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .skill-category-flip {
        height: 320px;
    }

    .project-card-flip {
        height: 380px;
    }

    .project-full-description {
        font-size: 0.85rem;
    }

    .about-stats {
        gap: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .contact-links {
        grid-template-columns: 1fr;
    }

    .ascii-art-container {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 5rem 1rem 2rem;
    }

    .terminal-body {
        padding: 1rem;
        font-size: 0.75rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }

    .hero-title {
        font-size: 2rem;
    }
}