/* =============================================================================
   AKASH DEEP - PORTFOLIO STYLES
   Professional academic portfolio with sophisticated design
   ============================================================================= */

/* -----------------------------------------------------------------------------
   CSS RESET & BASE
   ----------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/* -----------------------------------------------------------------------------
   CSS CUSTOM PROPERTIES
   ----------------------------------------------------------------------------- */
:root {
    /* Color System - Light Mode (Default) */
    --bg-primary: #eeece2;
    --bg-secondary: #f6f4ea;
    --bg-tertiary: #ffffff;
    --text-primary: #2a2520;
    --text-secondary: #3d3929;
    --text-muted: #5a5440;
    --accent-primary: #da7756;
    --accent-secondary: #bd5d3a;
    --border: #d4c4a8;
    --shadow: rgba(61, 57, 41, 0.1);
    --shadow-hover: rgba(61, 57, 41, 0.15);
    
    /* Typography */
    --font-body: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
    --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
    
    /* Type Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 0.75rem;
    --border-radius-sm: 0.5rem;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #1a1810;
    --bg-secondary: #2a2520;
    --bg-tertiary: #3a332c;
    --text-primary: #f0ede3;
    --text-secondary: #c4c0b6;
    --text-muted: #9a9388;
    --accent-primary: #e88762;
    --accent-secondary: #da7756;
    --border: #3d3929;
    --shadow: rgba(0, 0, 0, 0.2);
    --shadow-hover: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, 
        rgba(26, 24, 16, 0.4) 0%, 
        rgba(42, 37, 32, 0.4) 100%);
}

[data-theme="dark"] .hero-content {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(232, 135, 98, 0.2);
}

[data-theme="dark"] .section {
    background: rgba(26, 24, 16, 0.6);
}

[data-theme="dark"] .section:nth-child(even) {
    background: rgba(42, 37, 32, 0.7);
}

/* -----------------------------------------------------------------------------
   TYPOGRAPHY
   ----------------------------------------------------------------------------- */
body {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.025em;
}

h1 { font-size: var(--text-5xl); font-weight: 700; }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p, li {
    color: var(--text-secondary);
    line-height: 1.7;
}

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

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

strong {
    font-weight: 600;
    color: var(--text-primary);
}

/* -----------------------------------------------------------------------------
   LAYOUT COMPONENTS
   ----------------------------------------------------------------------------- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-4xl) 0;
    position: relative;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(2px);
}

.section:nth-child(even) {
    background: rgba(246, 244, 234, 0.8);
    backdrop-filter: blur(2px);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    margin-bottom: var(--space-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 4rem;
    height: 0.25rem;
    background: var(--accent-primary);
    border-radius: 0.125rem;
}

.section-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* -----------------------------------------------------------------------------
   CUSTOM CURSOR
   ----------------------------------------------------------------------------- */
.custom-cursor {
    position: fixed;
    width: 1rem;
    height: 1rem;
    background: var(--accent-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: transform 0.1s ease-out;
    will-change: transform;
}

.custom-cursor.hover {
    transform: scale(2);
    background: var(--accent-secondary);
}

/* -----------------------------------------------------------------------------
   THEME TOGGLE
   ----------------------------------------------------------------------------- */
.theme-toggle {
    margin-left: auto;
}

.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.theme-toggle-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    box-shadow: 0 4px 16px var(--shadow-hover);
    transform: translateY(-2px);
}

.theme-toggle-btn i {
    font-size: 1.2rem;
}

/* Fallback for when Font Awesome doesn't load */
.theme-toggle-btn .fallback-text {
    display: none;
    font-size: 1.5rem;
}

/* Show fallback if Font Awesome icon is not visible */
.theme-toggle-btn:not(:has(i:before)) .fallback-text {
    display: block;
}

.theme-toggle-btn:not(:has(i:before)) i {
    display: none;
}

/* -----------------------------------------------------------------------------
   MONTE CARLO BACKGROUND
   ----------------------------------------------------------------------------- */
.monte-carlo-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: auto;
}

#monte-carlo-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Hide cursor on touch devices */
@media (hover: none) {
    .custom-cursor {
        display: none;
    }
    
    body {
        cursor: default;
    }
}

/* -----------------------------------------------------------------------------
   THEME SWITCHER
   ----------------------------------------------------------------------------- */
.theme-switcher {
    position: fixed;
    top: 50%;
    right: var(--space-lg);
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    padding: var(--space-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    box-shadow: 0 0.5rem 2rem var(--shadow);
}

.theme-btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
}

.theme-btn:hover {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.1);
}

.theme-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* -----------------------------------------------------------------------------
   NAVIGATION
   ----------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(238, 236, 226, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
    height: 4rem;
}

[data-theme="dark"] .navbar {
    background: rgba(26, 24, 16, 0.95);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.nav-brand {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--accent-primary);
    transition: all 0.3s ease;
    margin-right: 2rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.nav-brand::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-brand:hover {
    transform: scale(1.05) rotate(2deg);
    -webkit-text-fill-color: white;
}

.nav-brand:hover::before {
    opacity: 1;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.25rem;
}

.hamburger span {
    width: 1.5rem;
    height: 0.125rem;
    background: var(--text-primary);
    transition: var(--transition);
}

/* -----------------------------------------------------------------------------
   HERO SECTION
   ----------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4xl) 0;
    position: relative;
    background: linear-gradient(135deg, 
        rgba(238, 236, 226, 0.4) 0%, 
        rgba(246, 244, 234, 0.4) 100%);
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
    backdrop-filter: blur(3px);
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: var(--space-2xl);
    border: 1px solid rgba(218, 119, 86, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.hero-title {
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-2xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* -----------------------------------------------------------------------------
   BUTTONS
   ----------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 500;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-0.125rem);
    box-shadow: 0 0.5rem 1rem var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-0.125rem);
}

/* -----------------------------------------------------------------------------
   CARDS
   ----------------------------------------------------------------------------- */
.card {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: var(--space-xl);
    border: 1px solid var(--border);
    transition: var(--transition-slow);
    box-shadow: 0 0.25rem 1rem var(--shadow);
}

.card:hover {
    transform: translateY(-0.25rem);
    box-shadow: 0 1rem 2rem var(--shadow-hover);
}

.card-header {
    margin-bottom: var(--space-lg);
}

.card-title {
    margin-bottom: var(--space-sm);
}

.card-subtitle {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
}

/* -----------------------------------------------------------------------------
   GRID LAYOUTS
   ----------------------------------------------------------------------------- */
.grid {
    display: grid;
    gap: var(--space-xl);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* -----------------------------------------------------------------------------
   ABOUT SECTION
   ----------------------------------------------------------------------------- */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.about-description {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.highlight {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.highlight:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1.5rem var(--shadow-hover);
    border-color: var(--accent-primary);
}

.highlight i {
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.highlight h3 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    font-size: var(--text-lg);
}

.highlight p {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: 1.6;
}

.education-timeline {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: var(--space-2xl);
    border: 1px solid var(--border);
    box-shadow: 0 0.25rem 1rem var(--shadow);
}

.education-timeline h3 {
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
    font-size: var(--text-xl);
    text-align: center;
    border-bottom: 2px solid var(--accent-primary);
    padding-bottom: var(--space-md);
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .about-highlights {
        gap: var(--space-lg);
    }
    
    .highlight {
        padding: var(--space-lg);
        gap: var(--space-md);
    }
}

/* -----------------------------------------------------------------------------
   ACHIEVEMENTS SECTION
   ----------------------------------------------------------------------------- */
.achievements-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.achievement-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.achievement-card {
    position: relative;
    overflow: hidden;
}

.achievement-card.highlight {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border: 2px solid var(--accent-primary);
}

.achievement-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto var(--space-lg);
    font-size: 1.5rem;
    color: white;
}

.achievement-icon.kaggle {
    background: linear-gradient(135deg, #20beff, #1976d2);
}

.achievement-icon.academic {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.achievement-icon.research {
    background: linear-gradient(135deg, #4caf50, #2e7d32);
}

.achievement-icon.application {
    background: linear-gradient(135deg, #ff9800, #f57c00);
}

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

.achievement-content h3 {
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    font-size: var(--text-xl);
}

.achievement-stats {
    margin-bottom: var(--space-lg);
}

.stat-highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.stat-highlight .stat-number {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
}

.stat-highlight .stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.stat-item .stat-number {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-item .stat-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.achievement-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm);
    background: rgba(218, 119, 86, 0.1);
    border-radius: var(--border-radius-sm);
}

.detail-item .rank {
    font-weight: 600;
    color: var(--accent-primary);
    font-size: var(--text-sm);
}

.detail-item .competition {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-align: right;
}

.research-note {
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    margin-top: var(--space-sm);
}

@media (max-width: 768px) {
    .achievement-row {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .stat-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-sm);
    }
    
    .achievement-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* -----------------------------------------------------------------------------
   RESEARCH SECTION
   ----------------------------------------------------------------------------- */
.research-grid {
    display: grid;
    gap: var(--space-xl);
}

.research-card {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: var(--space-xl);
    border: 1px solid var(--border);
    transition: var(--transition-slow);
    box-shadow: 0 0.25rem 1rem var(--shadow);
}

.research-card:hover {
    transform: translateY(-0.25rem);
    box-shadow: 0 1rem 2rem var(--shadow-hover);
}

.research-card.featured {
    border-color: var(--accent-primary);
    border-width: 2px;
}

.research-status {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.research-status.published {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.research-status.submitted {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.research-journal {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.research-authors {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-top: var(--space-md);
}

/* -----------------------------------------------------------------------------
   TIMELINE
   ----------------------------------------------------------------------------- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 200px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 190px;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--accent-primary);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    z-index: 1;
}

.timeline-date {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--accent-primary);
    font-size: var(--text-lg);
}

.timeline-content {
    background: var(--bg-tertiary);
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(0.5rem);
    box-shadow: 0 0.5rem 1rem var(--shadow-hover);
}

.timeline-content h3 {
    margin-bottom: var(--space-sm);
}

.timeline-content h4 {
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
}

.timeline-content ul {
    list-style: none;
    margin-top: var(--space-md);
}

.timeline-content li {
    margin-bottom: var(--space-sm);
    position: relative;
    padding-left: var(--space-lg);
}

.timeline-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: 600;
}

/* -----------------------------------------------------------------------------
   CONTACT SECTION
   ----------------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info {
    display: grid;
    gap: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.contact-item i {
    font-size: var(--text-2xl);
    color: var(--accent-primary);
    width: 3rem;
    text-align: center;
}

.contact-details h3 {
    margin-bottom: var(--space-xs);
    font-size: var(--text-lg);
}

.contact-details a {
    font-size: var(--text-lg);
    color: var(--text-secondary);
}

.social-links {
    display: grid;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    color: var(--text-primary);
}

.social-link:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateX(0.5rem);
}

.social-link i {
    font-size: var(--text-xl);
    width: 1.5rem;
    text-align: center;
}

/* -----------------------------------------------------------------------------
   SKILLS SECTION
   ----------------------------------------------------------------------------- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.skill-category {
    background: var(--bg-tertiary);
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-0.25rem);
    box-shadow: 0 0.5rem 1rem var(--shadow-hover);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.skill-category i {
    color: var(--accent-primary);
    font-size: var(--text-xl);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skill-tag {
    background: rgba(218, 119, 86, 0.1);
    color: var(--accent-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-sm);
    font-weight: 500;
    border: 1px solid rgba(218, 119, 86, 0.2);
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-0.125rem);
}

/* -----------------------------------------------------------------------------
   ANIMATIONS
   ----------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(2rem);
    transition: var(--transition-slow);
}

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

/* -----------------------------------------------------------------------------
   ACCESSIBILITY
   ----------------------------------------------------------------------------- */
.skip-link {
    position: absolute;
    top: -3rem;
    left: var(--space-md);
    background: var(--accent-primary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    z-index: 10000;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.skip-link:focus {
    top: var(--space-md);
}

/* Focus indicators */
*:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .custom-cursor {
        display: none;
    }
}

/* -----------------------------------------------------------------------------
   RESPONSIVE DESIGN
   ----------------------------------------------------------------------------- */
@media (max-width: 768px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
        --text-3xl: 1.5rem;
        --space-4xl: 3rem;
        --space-3xl: 2rem;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .theme-switcher {
        right: var(--space-md);
        flex-direction: row;
        top: auto;
        bottom: var(--space-lg);
        transform: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .timeline::before {
        left: 1rem;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: var(--space-2xl);
    }
    
    .timeline-item::before {
        left: 0.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .theme-switcher {
        right: var(--space-sm);
        bottom: var(--space-sm);
    }
    
    .card,
    .timeline-content,
    .skill-category {
        padding: var(--space-lg);
    }
}

/* -----------------------------------------------------------------------------
   PRINT STYLES
   ----------------------------------------------------------------------------- */
@media print {
    .navbar,
    .theme-switcher,
    .custom-cursor,
    .hamburger {
        display: none !important;
    }
    
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section {
        page-break-inside: avoid;
        margin-bottom: 1in;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
}