/* ==========================================================================
   ISURU HAPUARACHCHI - PORTFOLIO DESIGN SYSTEM
   Modern Dark Cyber / Linux Kernel Aesthetic with Glassmorphism
   100% Mobile Responsive & Touch Optimized
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-dark: #070a12;
    --bg-card: #0e1424;
    --bg-card-hover: #151e36;
    --bg-terminal: #0a0e1a;
    --bg-glass: rgba(14, 20, 36, 0.75);
    
    --accent-green: #00ff9d;
    --accent-green-glow: rgba(0, 255, 157, 0.25);
    --accent-cyan: #00e5ff;
    --accent-cyan-glow: rgba(0, 229, 255, 0.25);
    --accent-amber: #ffb703;
    --accent-amber-glow: rgba(255, 183, 3, 0.25);
    --accent-purple: #8b5cf6;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 255, 157, 0.4);
    
    /* Fonts */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-code: 'JetBrains Mono', monospace;
    
    /* Layout */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-main: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(0, 255, 157, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset & Globals */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Selection & Scrollbar */
::selection {
    background: var(--accent-green);
    color: #000;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}

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

/* ==========================================================================
   BOOT SEQUENCE LOADER
   ========================================================================== */

.boot-sequence {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #04060c;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px;
    font-family: var(--font-code);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.boot-container {
    width: 100%;
    max-width: 680px;
    background: #090d18;
    border: 1px solid rgba(0, 255, 157, 0.3);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: 0 0 40px rgba(0, 255, 157, 0.15);
}

.boot-header {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-green);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 14px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    padding-bottom: 8px;
    word-break: break-all;
}

.boot-lines {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 20px;
    min-height: 150px;
    overflow-x: hidden;
}

.boot-line {
    word-break: break-word;
}

.boot-line .timestamp {
    color: var(--accent-cyan);
}

.boot-line.success {
    color: var(--accent-green);
    font-weight: 600;
}

.boot-progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.boot-progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
    transition: width 0.3s ease;
}

/* ==========================================================================
   HEADER & TOP NAVIGATION
   ========================================================================== */

.top-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(7, 10, 18, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.2), rgba(0, 229, 255, 0.2));
    border: 1px solid var(--accent-green);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    font-size: 16px;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.5px;
}

.brand-badge {
    font-size: 11px;
    color: var(--accent-amber);
    font-family: var(--font-code);
    display: flex;
    align-items: center;
    gap: 6px;
}

.live-dot {
    font-size: 8px;
    color: var(--accent-amber);
    animation: pulse 2s infinite;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--text-muted);
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
}

.nav-mode-btn {
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-family: var(--font-code);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-mode-btn:hover {
    background: var(--accent-green);
    color: #000;
    box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   HERO / PROFILE SECTION
   ========================================================================== */

.hero-section {
    position: relative;
    padding: 40px 5% 30px;
    max-width: 1280px;
    margin: 0 auto;
}

.hero-backdrop-glow {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 600px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 255, 157, 0.12) 0%, rgba(0, 229, 255, 0.05) 50%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 36px;
    align-items: center;
}

.avatar-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.avatar-glow-ring {
    position: relative;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    padding: 5px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan), var(--accent-purple));
    box-shadow: 0 0 35px rgba(0, 255, 157, 0.2);
}

.avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-card);
    border: 4px solid var(--bg-dark);
}

.avatar-status-badge {
    background: rgba(255, 183, 3, 0.15);
    border: 1px solid var(--accent-amber);
    color: var(--accent-amber);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-code);
    display: flex;
    align-items: center;
    gap: 6px;
    text-align: center;
}

.bio-column {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.role-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.3);
    color: var(--accent-cyan);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-family: var(--font-code);
    width: fit-content;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    line-height: 1.25;
    background: linear-gradient(135deg, #ffffff 30%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-summary {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 800px;
}

.hero-summary strong {
    color: var(--accent-green);
    font-weight: 600;
}

.hero-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.highlight-chip {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: var(--font-code);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.highlight-chip i {
    color: var(--accent-green);
}

.highlight-chip:hover {
    border-color: var(--accent-green);
    background: var(--bg-card-hover);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

/* Button Component Styles */
.btn {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    touch-action: manipulation;
}

.btn-primary {
    background: var(--accent-green);
    color: #000;
    box-shadow: 0 4px 20px var(--accent-green-glow);
}

.btn-primary:hover, .btn-primary:active {
    background: #00e08b;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 157, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover, .btn-secondary:active {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(139, 92, 246, 0.15));
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 229, 255, 0.4);
}

.btn-accent:hover, .btn-accent:active {
    background: var(--accent-cyan);
    color: #000;
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.btn-outline:hover, .btn-outline:active {
    color: var(--text-main);
    border-color: var(--text-muted);
}

/* ==========================================================================
   INTERACTIVE TERMINAL SECTION
   ========================================================================== */

.terminal-section {
    max-width: 1280px;
    margin: 30px auto 50px;
    padding: 0 5%;
}

.section-header-label {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--accent-green);
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.kernel-terminal {
    background: var(--bg-terminal);
    border: 1px solid rgba(0, 255, 157, 0.3);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-main), 0 0 30px rgba(0, 255, 157, 0.1);
    overflow: hidden;
}

.terminal-header {
    background: #0d1222;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.terminal-controls {
    display: flex;
    gap: 6px;
}

.terminal-controls .control {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.control.close { background: #ef4444; }
.control.minimize { background: #f59e0b; }
.control.maximize { background: #10b981; }

.terminal-title {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.terminal-title i {
    color: var(--accent-green);
}

.terminal-info-badge {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}

.pulse-icon {
    width: 6px;
    height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Terminal Tabs */
.terminal-nav {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    background: #080c16;
    border-bottom: 1px solid var(--border-color);
    padding: 4px;
    gap: 4px;
    scrollbar-width: thin;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px 14px;
    font-family: var(--font-code);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    flex-shrink: 0;
}

.nav-btn:hover, .nav-btn:active {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
}

.nav-btn.active {
    background: rgba(0, 255, 157, 0.12);
    color: var(--accent-green);
    font-weight: 600;
    border: 1px solid rgba(0, 255, 157, 0.3);
}

/* Terminal Content Output */
.terminal-content {
    padding: 18px;
    min-height: 240px;
    max-height: 450px;
    overflow-y: auto;
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.7;
    color: #e2e8f0;
}

.terminal-content .cmd-line {
    color: var(--accent-green);
    font-weight: 600;
    margin-bottom: 10px;
    word-break: break-word;
}

.terminal-content p {
    color: #cbd5e1;
    margin-bottom: 12px;
    word-break: break-word;
}

/* Terminal CLI Input Bar */
.terminal-cli-prompt {
    background: #090d18;
    border-top: 1px solid var(--border-color);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.prompt-symbol {
    font-family: var(--font-code);
    color: var(--accent-green);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.cli-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--accent-cyan);
    font-family: var(--font-code);
    font-size: 13px;
    min-width: 0;
}

.cli-input::placeholder {
    color: var(--text-dim);
    font-size: 11px;
}

.cli-send-btn {
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    flex-shrink: 0;
    transition: var(--transition);
}

.cli-send-btn:hover {
    background: var(--accent-green);
    color: #000;
}

/* ==========================================================================
   SECTION COMMON STYLES
   ========================================================================== */

.section-container {
    max-width: 1280px;
    margin: 60px auto;
    padding: 0 5%;
}

.section-title-group {
    margin-bottom: 28px;
}

.section-subtitle {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--accent-cyan);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 4px;
}

.section-heading {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.text-accent {
    color: var(--accent-green);
}

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

/* ==========================================================================
   CAREER TIMELINE
   ========================================================================== */

.timeline-container {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-left: 20px;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 39px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-green) 0%, var(--accent-cyan) 50%, var(--border-color) 100%);
}

.timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 20px;
    align-items: start;
}

.timeline-badge {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    z-index: 2;
    transition: var(--transition);
}

.timeline-badge.current-job {
    background: var(--accent-amber);
    border-color: var(--accent-amber);
    color: #000;
    box-shadow: var(--accent-amber-glow);
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition);
}

.timeline-item.featured-item .timeline-card {
    border-color: rgba(255, 183, 3, 0.4);
    background: linear-gradient(135deg, rgba(14, 20, 36, 0.9), rgba(255, 183, 3, 0.03));
}

.timeline-card:hover {
    border-color: var(--accent-green);
    box-shadow: var(--shadow-main);
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.current-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 183, 3, 0.15);
    color: var(--accent-amber);
    font-family: var(--font-code);
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 6px;
}

.role-title {
    font-family: var(--font-heading);
    font-size: 19px;
    font-weight: 700;
    color: var(--text-main);
}

.company-name {
    font-size: 14px;
    color: var(--accent-cyan);
    font-weight: 500;
    margin-top: 2px;
}

.role-period {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 5px 10px;
    border-radius: var(--radius-sm);
}

.role-summary-text {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 14px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    background: rgba(0, 255, 157, 0.08);
    border: 1px solid rgba(0, 255, 157, 0.2);
    color: var(--accent-green);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-family: var(--font-code);
}

/* ==========================================================================
   PROJECTS SHOWCASE
   ========================================================================== */

.project-filters {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    margin-bottom: 24px;
    padding-bottom: 6px;
    scrollbar-width: none;
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 20px;
    font-family: var(--font-code);
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    flex-shrink: 0;
}

.filter-btn:hover, .filter-btn:active {
    color: var(--text-main);
    border-color: var(--text-muted);
}

.filter-btn.active {
    background: var(--accent-green);
    color: #000;
    border-color: var(--accent-green);
    font-weight: 600;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.project-card-v2 {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.project-card-v2:hover {
    border-color: var(--accent-green);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.project-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid rgba(0, 229, 255, 0.3);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.github-icon-link {
    color: var(--text-muted);
    font-size: 20px;
    padding: 4px;
    transition: var(--transition);
}

.github-icon-link:hover {
    color: var(--text-main);
    transform: scale(1.15);
}

.project-card-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.project-card-desc {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.project-card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.project-card-tech span {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.08);
    padding: 3px 8px;
    border-radius: 4px;
}

.project-card-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.project-action-link {
    color: var(--accent-green);
    font-family: var(--font-code);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.project-action-link:hover {
    gap: 10px;
}

/* ==========================================================================
   SKILLS & TELEMETRY MATRIX
   ========================================================================== */

.skills-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.skill-group-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition);
}

.skill-group-card:hover {
    border-color: var(--accent-green);
}

.skill-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--accent-green);
}

.skill-group-header i {
    font-size: 20px;
}

.skill-group-header h3 {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
}

.skill-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skill-list li {
    font-size: 13.5px;
    color: var(--text-muted);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.skill-list li i {
    color: var(--accent-green);
    font-size: 13px;
    margin-top: 3px;
}

/* ==========================================================================
   EDUCATION
   ========================================================================== */

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.education-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: var(--transition);
}

.education-card:hover {
    border-color: var(--accent-cyan);
}

.edu-icon {
    font-size: 28px;
}

.edu-degree {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
}

.edu-field {
    font-size: 13px;
    color: var(--accent-cyan);
    margin: 4px 0 6px;
}

.edu-school {
    font-size: 12.5px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.edu-period {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==========================================================================
   HOBBIES SECTION
   ========================================================================== */

.hobbies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.hobby-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
}

.hobby-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--accent);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.hobby-card:hover::before { opacity: 1; }

.hobby-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 12px 35px rgba(100, 220, 120, 0.12);
}

.hobby-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hobby-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    flex-shrink: 0;
}

.hobby-icon.coc-icon    { background: linear-gradient(135deg, #d4a400, #f5c842); }
.hobby-icon.ff-icon     { background: linear-gradient(135deg, #c0392b, #e74c3c); }
.hobby-icon.cricket-icon{ background: linear-gradient(135deg, #1a7a3c, #27ae60); }

.hobby-since-badge {
    background: rgba(100, 220, 120, 0.12);
    border: 1px solid rgba(100, 220, 120, 0.3);
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.05em;
}

.hobby-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.hobby-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin: 0;
    flex: 1;
}

.hobby-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.hobby-tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

@media (max-width: 900px) {
    .hobbies-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 580px) {
    .hobbies-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */

.contact-wrapper {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0f1d 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
}

.contact-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 28px;
}

.contact-card-v2 {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    transition: var(--transition);
}

.contact-card-v2:hover, .contact-card-v2:active {
    border-color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-main);
}

.contact-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
    flex-shrink: 0;
}

.contact-card-icon.linkedin { background: #0a66c2; }
.contact-card-icon.github { background: #24292e; }
.contact-card-icon.email { background: #ea4335; }
.contact-card-icon.discord { background: #5865f2; }

.contact-card-details {
    min-width: 0;
}

.contact-card-details h4 {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

.contact-card-details p {
    font-size: 11.5px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-arrow {
    margin-left: auto;
    color: var(--text-dim);
    font-size: 11px;
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-card-v2:hover .contact-arrow {
    color: var(--accent-green);
    transform: translateX(4px);
}

.contact-telemetry {
    margin-top: 28px;
    text-align: center;
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.contact-telemetry i {
    color: var(--accent-green);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    border-top: 1px solid var(--border-color);
    padding: 32px 5%;
    text-align: center;
    background: #04060c;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-tagline {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--accent-green);
}

.footer-stack {
    font-size: 11px;
    color: var(--text-muted);
}

.footer-copyright {
    font-size: 11px;
    color: var(--text-dim);
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */

@keyframes pulse {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

/* ==========================================================================
   PRINT / EXPORT WEB CV STYLES (@media print)
   ========================================================================== */

@media print {
    .boot-sequence,
    .top-nav,
    .nav-actions,
    .hero-backdrop-glow,
    .hero-actions,
    .terminal-section,
    .project-filters,
    .contact-telemetry,
    .footer {
        display: none !important;
    }

    body {
        background: #ffffff !important;
        color: #0f172a !important;
        font-family: var(--font-body) !important;
    }

    .app-container {
        display: block !important;
        padding: 0 !important;
    }

    .hero-section {
        padding: 0 0 20px 0 !important;
        border-bottom: 2px solid #cbd5e1;
        margin-bottom: 20px;
    }

    .hero-title {
        color: #0f172a !important;
        -webkit-text-fill-color: initial !important;
        background: none !important;
        font-size: 22px !important;
    }

    .hero-summary {
        color: #334155 !important;
    }

    .timeline-card, .project-card-v2, .skill-group-card, .education-card, .contact-card-v2 {
        background: #f8fafc !important;
        border: 1px solid #cbd5e1 !important;
        color: #0f172a !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }

    .role-title, .project-card-title, .edu-degree, .contact-card-details h4 {
        color: #0f172a !important;
    }

    .role-summary-text, .project-card-desc, .skill-list li, .edu-field, .contact-card-details p {
        color: #334155 !important;
    }

    .tag, .project-card-tech span {
        background: #e2e8f0 !important;
        color: #0f172a !important;
        border-color: #cbd5e1 !important;
    }
}

/* ==========================================================================
   COMPREHENSIVE RESPONSIVE DESIGN (MOBILE & TABLET BREAKPOINTS)
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 28px;
    }
    
    .bio-column {
        align-items: center;
    }
    
    .hero-highlights, .hero-actions {
        justify-content: center;
    }

    .role-pill {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .top-nav {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 10px 4%;
    }

    .brand-name {
        font-size: 14px;
    }

    .brand-badge {
        font-size: 10px;
    }

    .system-status {
        display: none;
    }

    .nav-mode-btn {
        padding: 6px 12px;
        font-size: 11px;
    }
    
    .hero-section {
        padding: 24px 4% 20px;
    }

    .avatar-glow-ring {
        width: 150px;
        height: 150px;
    }
    
    .hero-title {
        font-size: 24px;
    }

    .hero-summary {
        font-size: 14px;
    }

    .hero-actions {
        width: 100%;
        flex-direction: column;
        gap: 10px;
    }

    .hero-actions .btn {
        width: 100%;
    }
    
    /* Mobile Timeline Layout */
    .timeline-container {
        padding-left: 12px;
    }

    .timeline-container::before {
        left: 27px;
    }
    
    .timeline-item {
        grid-template-columns: 36px 1fr;
        gap: 12px;
    }

    .timeline-badge {
        width: 36px;
        height: 36px;
        font-size: 13px;
    }
    
    .timeline-card {
        padding: 16px;
    }

    .role-title {
        font-size: 17px;
    }

    .company-name {
        font-size: 13px;
    }

    .card-header-row {
        flex-direction: column;
        gap: 6px;
    }

    .role-period {
        width: fit-content;
    }

    .projects-grid, .education-grid, .skills-wrapper, .hobbies-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-wrapper {
        padding: 28px 16px;
    }

    .terminal-cli-prompt {
        flex-wrap: wrap;
    }

    .prompt-symbol {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .brand-badge {
        display: none;
    }

    .nav-mode-btn .mode-btn-text {
        display: inline;
    }

    .avatar-glow-ring {
        width: 130px;
        height: 130px;
    }

    .hero-title {
        font-size: 21px;
    }

    .section-heading {
        font-size: 22px;
    }

    .boot-container {
        padding: 14px;
    }

    .boot-lines {
        font-size: 11px;
    }
}