/* ===== CSS CUSTOM PROPERTIES (VARIABLES) ===== */
:root {
    /* Colors */
    --bg-primary: #0a0b12;
    --bg-secondary: #0f1220;
    --bg-tertiary: #161a2e;
    --text-primary: #ffffff;
    --text-secondary: #d1d5db;
    --text-muted: #9aa4b2;
    --accent-primary: #8b5cf6; /* violet */
    --accent-secondary: #06b6d4; /* cyan */
    --accent-tertiary: #f59e0b; /* amber */
    --border-color: #3a3f5c;
    
    /* Typography */
    --font-family: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Navigation */
    --nav-width: 280px;
    --nav-bg: rgba(26, 26, 26, 0.95);
    --nav-border: rgba(51, 51, 51, 0.3);
    
    /* Terminal */
    --terminal-bg: #1e1e1e;
    --terminal-border: #404040;
    --terminal-green: #00ff41;
    --terminal-blue: #0099ff;
    --terminal-red: #ff4444;
    --terminal-yellow: #ffff00;
}

/* ===== THEME TUNING FOR MORE CONTRAST & COLOR ===== */
:root {
    --bg-primary: #0a0b12;
    --bg-secondary: #0f1220;
    --bg-tertiary: #161a2e;
    --text-primary: #ffffff;
    --text-secondary: #d1d5db;
    --text-muted: #9aa4b2;
    --accent-primary: #8b5cf6; /* violet */
    --accent-secondary: #06b6d4; /* cyan */
    --accent-tertiary: #f59e0b; /* amber */
    --border-color: #3a3f5c;
}

/* Subtle colorful section backgrounds for variety */
section#about { background: radial-gradient(1000px 400px at 0% 0%, rgba(139,92,246,0.10), transparent 60%), linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }
section#skills { background: radial-gradient(900px 380px at 100% 0%, rgba(6,182,212,0.10), transparent 60%), linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }
section#projects { background: radial-gradient(1000px 380px at 0% 100%, rgba(245,158,11,0.10), transparent 60%), linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }
section#experience { background: radial-gradient(850px 360px at 100% 100%, rgba(139,92,246,0.08), transparent 60%), linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }
section#contact { background: radial-gradient(1000px 400px at 50% 0%, rgba(6,182,212,0.08), transparent 60%), linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }

/* Shared section container for perfect alignment */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Gradient text for section titles for pop */
.section-title {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Stronger nav active/hover styles */
.nav-link { color: #cbd5e1; }
.nav-link:hover {
    color: #ffffff;
    background: linear-gradient(90deg, rgba(139,92,246,0.15), rgba(6,182,212,0.15));
    transform: translateX(6px);
}
.nav-link.active {
    color: #ffffff;
    background: linear-gradient(90deg, rgba(139,92,246,0.2), rgba(6,182,212,0.2));
    box-shadow: 0 8px 20px rgba(0,0,0,0.25) inset;
}
.nav-link.active::before { background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary)); }

/* Grid alignment upgrades */
.card-grid { align-items: stretch; }

/* Card glow + gradient accents */
.card {
    background: rgba(15,18,32,0.9);
    border: 1px solid rgba(82,88,120,0.6);
}
.card::before {
    content: '';
    position: absolute; inset: -1px;
    background: conic-gradient(from 90deg, rgba(139,92,246,0.45), rgba(6,182,212,0.45), rgba(245,158,11,0.45), rgba(139,92,246,0.45));
    filter: blur(18px);
    opacity: 0.0;
    transition: opacity 0.35s ease, transform 0.6s ease;
    z-index: 0;
}
.card:hover::before { opacity: 0.9; transform: rotate(8deg) scale(1.05); }
.card-content { position: relative; z-index: 1; }

/* Project media adds diagonal sheen */
.project-media {
    background: linear-gradient(135deg, rgba(139,92,246,0.28), rgba(6,182,212,0.28));
}
.project-card:hover .project-media { filter: saturate(1.2) brightness(1.05); }

/* Buttons: gradient primary */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-color: transparent;
}
.btn-primary:hover { background: linear-gradient(135deg, #7c3aed, #0891b2); }

/* Tags: subtle color cycling */
.tag { border: 1px solid rgba(82,88,120,0.7); }
.project-tags .tag:nth-child(3n+1) { background: rgba(139,92,246,0.15); color: #e9d5ff; border-color: rgba(139,92,246,0.4); }
.project-tags .tag:nth-child(3n+2) { background: rgba(6,182,212,0.15); color: #cffafe; border-color: rgba(6,182,212,0.4); }
.project-tags .tag:nth-child(3n+3) { background: rgba(245,158,11,0.15); color: #fffbeb; border-color: rgba(245,158,11,0.4); }

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* ===== NAVIGATION SIDEBAR ===== */
.sidebar-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--nav-width);
    height: 100vh;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--nav-border);
    z-index: 1000;
    transition: transform 0.3s ease;
}

.nav-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--spacing-lg);
}

/* ===== BRAND SECTION ===== */
.nav-brand {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.brand-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.brand-title {
    font-size: var(--font-size-sm);
    color: var(--accent-primary);
    font-weight: 500;
    margin: 0;
}

/* ===== NAVIGATION MENU ===== */
.nav-menu {
    list-style: none;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.1);
    transform: translateX(4px);
}

.nav-link.active {
    color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.15);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-primary);
    border-radius: 0 2px 2px 0;
}

.nav-icon {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
    transition: transform 0.3s ease;
}

.nav-link:hover .nav-icon {
    transform: scale(1.1);
}

.nav-text {
    font-weight: 500;
    font-size: var(--font-size-base);
}

/* ===== SOCIAL LINKS ===== */
.nav-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.social-link:hover {
    color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

/* ===== MOBILE TOGGLE BUTTON ===== */
.mobile-toggle {
    display: none;
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    z-index: 1001;
    transition: all 0.3s ease;
}

.mobile-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 1px;
}

/* ===== MAIN CONTENT AREA ===== */
.main-content {
    margin-left: var(--nav-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== HERO LEFT SIDE ===== */
.hero-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.profile-image-container {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.profile-image-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.profile-image-placeholder:hover {
    transform: scale(1.05);
}

.profile-avatar {
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--bg-primary);
}

.avatar-initials {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-family);
}

.profile-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: pulse 2s ease-in-out infinite;
}

.hero-intro {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 300px;
    line-height: 1.4;
}

/* ===== HERO RIGHT SIDE ===== */
.hero-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* ===== TERMINAL STYLING ===== */
.terminal {
    background: var(--terminal-bg);
    border: 1px solid var(--terminal-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    font-family: var(--font-mono);
}

.terminal-header {
    background: #2d2d2d;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--terminal-border);
}

.terminal-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-button.close {
    background: var(--terminal-red);
}

.terminal-button.minimize {
    background: var(--terminal-yellow);
}

.terminal-button.maximize {
    background: var(--terminal-green);
}

.terminal-title {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.terminal-content {
    padding: var(--spacing-lg);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.terminal-line {
    margin-bottom: var(--spacing-sm);
}

.terminal-prompt {
    color: var(--terminal-green);
    font-weight: 600;
}

.terminal-command {
    color: var(--terminal-blue);
    margin-left: var(--spacing-xs);
}

.terminal-output {
    margin: var(--spacing-sm) 0 var(--spacing-lg) var(--spacing-lg);
}

.output-line {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.typing-line {
    display: flex;
    align-items: center;
}

.terminal-cursor {
    color: var(--terminal-green);
    animation: blink 1s infinite;
    margin-left: 2px;
}

/* ===== HERO ACTIONS ===== */
.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.hero-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hero-btn.primary {
    background: var(--accent-primary);
    color: white;
    border: 2px solid var(--accent-primary);
}

.hero-btn.primary:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

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

.hero-btn.secondary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-muted);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-padding {
    padding: var(--spacing-2xl) 0;
}

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

.flex {
    display: flex;
}

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

.grid {
    display: grid;
}

.hidden {
    display: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-secondary);
}

/* ===== SECTION STYLES ===== */
section {
    min-height: 100vh;
    position: relative;
    padding: var(--spacing-2xl);
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateY(-5px) rotate(45deg);
    }
}

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

.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* ===== MOBILE RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .sidebar-nav {
        transform: translateX(-100%);
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
    }
    
    .sidebar-nav.mobile-open {
        transform: translateX(0);
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .nav-container {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .nav-menu {
        margin-top: var(--spacing-lg);
    }
    
    .nav-link {
        padding: var(--spacing-lg);
        font-size: var(--font-size-lg);
    }
    
    .nav-icon {
        font-size: var(--font-size-xl);
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    h1 {
        font-size: var(--font-size-4xl);
    }
    
    h2 {
        font-size: var(--font-size-3xl);
    }
    
    .section-padding {
        padding: var(--spacing-xl) 0;
    }
    
    section {
        padding: var(--spacing-lg);
    }
    
    /* Hero Mobile Styles */
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .profile-image-placeholder {
        width: 150px;
        height: 150px;
    }
    
    .profile-avatar {
        width: 140px;
        height: 140px;
    }
    
    .avatar-initials {
        font-size: 2rem;
    }
    
    .hero-intro {
        font-size: var(--font-size-lg);
    }
    
    .terminal {
        font-size: var(--font-size-xs);
    }
    
    .terminal-content {
        padding: var(--spacing-md);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .sidebar-nav {
        width: 100vw;
    }
    
    .nav-container {
        padding: var(--spacing-lg);
    }
    
    .brand-name {
        font-size: var(--font-size-lg);
    }
    
    .mobile-toggle {
        width: 45px;
        height: 45px;
        top: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .hamburger-line {
        width: 18px;
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    .profile-image-placeholder {
        width: 120px;
        height: 120px;
    }
    
    .profile-avatar {
        width: 110px;
        height: 110px;
    }
    
    .avatar-initials {
        font-size: 1.5rem;
    }
}

/* ===== MOBILE MENU ANIMATIONS ===== */
.sidebar-nav.mobile-open .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.sidebar-nav.mobile-open .hamburger-line:nth-child(2) {
    opacity: 0;
}

.sidebar-nav.mobile-open .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
} 

/* ===== PORTFOLIO SECTIONS & CARDS ===== */
.section-header {
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl);
    padding: 0 var(--spacing-lg);
}
.section-kicker {
    color: var(--accent-primary);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
}
.section-title {
    font-size: var(--font-size-4xl);
    margin-top: var(--spacing-xs);
    color: var(--text-primary);
}
.section-subtitle {
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.card-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-lg);
}

@media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .card-grid { grid-template-columns: 1fr; }
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    position: relative;
    overflow: hidden;
}
.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.35);
    border-color: rgba(59, 130, 246, 0.3);
}
.card-content {
    padding: var(--spacing-xl);
}
.card-title {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}
.card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Skill pills */
.pills { display: flex; flex-wrap: wrap; gap: var(--spacing-xs); margin-top: var(--spacing-md); }
.pill {
    padding: 6px 10px;
    border-radius: 9999px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    font-size: var(--font-size-xs);
    transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.pill:hover { transform: translateY(-2px); background: rgba(59,130,246,0.1); box-shadow: 0 6px 12px rgba(0,0,0,0.2); }

/* Project cards */
.project-card { display: flex; flex-direction: column; }
.project-media {
    height: 180px;
    background: linear-gradient(135deg, rgba(59,130,246,0.25), rgba(29,78,216,0.25));
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}
.project-media::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(600px 200px at var(--mx,50%) var(--my,50%), rgba(59,130,246,0.35), transparent 60%);
    transition: opacity 0.35s ease;
    opacity: 0;
}
.project-card:hover .project-media::after { opacity: 1; }
.project-body { padding: var(--spacing-xl); flex: 1; display: flex; flex-direction: column; gap: var(--spacing-sm); }
.project-title { font-size: var(--font-size-xl); color: var(--text-primary); }
.project-desc { color: var(--text-secondary); }
.project-tags { display: flex; flex-wrap: wrap; gap: var(--spacing-xs); margin-top: var(--spacing-xs); }
.tag { font-size: var(--font-size-xs); padding: 4px 10px; border-radius: 9999px; background: var(--bg-tertiary); border: 1px solid var(--border-color); color: var(--text-secondary); }
.project-actions { margin-top: var(--spacing-md); display: flex; gap: var(--spacing-sm); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: var(--radius-md); font-weight: 600; text-decoration: none; transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease; border: 2px solid transparent; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent-primary); color: #fff; border-color: var(--accent-primary); }
.btn-primary:hover { background: var(--accent-secondary); box-shadow: 0 10px 20px rgba(59,130,246,0.3); }
.btn-outline { background: transparent; color: var(--accent-primary); border-color: var(--accent-primary); }
.btn-outline:hover { background: rgba(59,130,246,0.1); }

/* About highlight list */
.highlight-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--spacing-sm); margin-top: var(--spacing-md); }
.highlight { background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: var(--spacing-sm); color: var(--text-secondary); transition: transform 0.3s ease; }
.highlight:hover { transform: translateX(4px); }
@media (max-width: 640px) { .highlight-list { grid-template-columns: 1fr; } }

/* Simple timeline */
.timeline { max-width: 1000px; margin: 0 auto; padding: 0 var(--spacing-lg); display: grid; gap: var(--spacing-lg); }
.timeline-item { position: relative; }
.timeline-item .card-content { padding-left: calc(var(--spacing-xl) + 6px); }
.timeline-item::before { content: ''; position: absolute; left: var(--spacing-xl); top: var(--spacing-xl); bottom: var(--spacing-xl); width: 2px; background: var(--border-color); }
.timeline-dot { position: absolute; left: calc(var(--spacing-xl) - 6px); top: var(--spacing-xl); width: 12px; height: 12px; background: var(--accent-primary); border-radius: 50%; box-shadow: 0 0 0 4px rgba(59,130,246,0.15); }

/* Utility hovers */
.hover-tilt:hover { transform: perspective(700px) rotateX(2deg) rotateY(-2deg) translateY(-6px); }
.hover-glow:hover { box-shadow: 0 0 0 1px rgba(59,130,246,0.25), 0 20px 40px rgba(0,0,0,0.4); } 

/* Improve section spacing on small screens */
@media (max-width: 640px) {
    .section-header { padding: 0 var(--spacing-md); }
    .section-container { padding: 0 var(--spacing-md); }
} 

/* ===== PIXELATED VINTAGE THEME (opt-in via .pixel-theme on <body>) ===== */
.pixel-theme {
    --font-family: 'VT323', monospace;
    --font-mono: 'Press Start 2P', monospace;
    --radius-sm: 0;
    --radius-md: 0;
    --radius-lg: 0;
    image-rendering: pixelated;
}

.pixel-theme .sidebar-nav,
.pixel-theme .card,
.pixel-theme .terminal,
.pixel-theme .btn,
.pixel-theme .pill,
.pixel-theme .highlight,
.pixel-theme .tag {
    border-radius: 0 !important;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.05), 0 8px 0 0 rgba(0,0,0,0.6);
}

/* Pixelated borders (8-bit style) */
.pixel-theme .card,
.pixel-theme .terminal,
.pixel-theme .btn,
.pixel-theme .pill,
.pixel-theme .highlight,
.pixel-theme .tag,
.pixel-theme .nav-link {
    border: 2px solid #6b7280;
}
.pixel-theme .nav-link.active { border-color: #a78bfa; }

/* CRT scanlines and vignette */
.pixel-theme::before {
    content: '';
    position: fixed; inset: 0; pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255,255,255,0.05) 0px,
        rgba(255,255,255,0.05) 1px,
        rgba(0,0,0,0.00) 2px,
        rgba(0,0,0,0.00) 3px
    );
    mix-blend-mode: overlay;
    z-index: 9999;
}
.pixel-theme::after {
    content: '';
    position: fixed; inset: 0; pointer-events: none;
    background: radial-gradient(120% 120% at 50% 50%, rgba(0,0,0,0) 50%, rgba(0,0,0,0.35) 100%);
    z-index: 9998;
}

/* Dithered section backgrounds */
.pixel-theme section { 
    background-image:
      radial-gradient(1px 1px at 1px 1px, rgba(255,255,255,0.04), transparent),
      radial-gradient(1px 1px at 3px 2px, rgba(255,255,255,0.03), transparent),
      radial-gradient(1px 1px at 2px 3px, rgba(255,255,255,0.02), transparent),
      linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    background-size: 4px 4px, 4px 4px, 4px 4px, auto;
}

/* Pixel fonts and spacing tweaks */
.pixel-theme h1, .pixel-theme h2, .pixel-theme h3, .pixel-theme h4, .pixel-theme h5, .pixel-theme h6 {
    letter-spacing: 1px;
}
.pixel-theme .section-kicker { letter-spacing: 2px; }

/* Retro buttons */
.pixel-theme .btn { text-transform: uppercase; font-weight: 700; }
.pixel-theme .btn-primary { box-shadow: 0 0 0 2px #000 inset, 0 0 0 4px rgba(255,255,255,0.08) inset; }
.pixel-theme .btn-outline { background: #0b0e1d; }

/* Terminal retro monochrome look */
.pixel-theme .terminal { background: #0b0e14; border-color: #6b7280; }
.pixel-theme .terminal-header { background: #111827; }
.pixel-theme .terminal-title { font-family: var(--font-mono); letter-spacing: 1px; }
.pixel-theme .terminal-prompt { color: #00ff7f; text-shadow: 0 0 6px rgba(0,255,127,0.6); }
.pixel-theme .terminal-command { color: #00bcd4; text-shadow: 0 0 6px rgba(0,188,212,0.6); }
.pixel-theme .terminal-cursor { text-shadow: 0 0 8px rgba(0,255,127,0.7); }

/* Pixel hover wiggle */
@keyframes pixel-jump { 0%{transform: translate(0,0);} 25%{transform: translate(1px,-1px);} 50%{transform: translate(-1px,1px);} 75%{transform: translate(1px,1px);} 100%{transform: translate(0,0);} }
.pixel-theme .card:hover,
.pixel-theme .btn:hover,
.pixel-theme .pill:hover,
.pixel-theme .highlight:hover { animation: pixel-jump 180ms steps(2) 1; }

/* Nav pixel styling */
.pixel-theme .nav-link:hover {
    background: repeating-linear-gradient(90deg, rgba(167,139,250,0.18) 0 8px, rgba(6,182,212,0.18) 8px 16px);
}

/* Square avatar border */
.pixel-theme .profile-avatar { border: 4px solid #6b7280; border-radius: 2px; }
.pixel-theme .profile-image-placeholder { border-radius: 2px; }

/* Card header titles with scan glow */
.pixel-theme .card-title { text-shadow: 0 0 8px rgba(139,92,246,0.4); }

/* Tags blocky look */
.pixel-theme .tag { text-transform: uppercase; letter-spacing: 1px; }