/* ==========================================================================
   DESIGN SYSTEM & CUSTOM STYLES - ROHAN TILWANI PORTFOLIO
   ========================================================================== */

/* 1. Global Variables & Color Palette */
:root {
    --bg-primary: #0a0a0c;
    --bg-secondary: rgba(18, 18, 22, 0.75);
    --bg-card: rgba(22, 22, 28, 0.55);
    
    --primary: #a855f7;       /* Violet / Purple */
    --primary-glow: rgba(168, 85, 247, 0.15);
    --accent: #06b6d4;        /* Cyan / Teal */
    --accent-glow: rgba(6, 182, 212, 0.15);
    --accent-pink: #ec4899;   /* Neon Pink */
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #627289;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(168, 85, 247, 0.3);
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    
    --header-height: 80px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    --container-width: 1200px;
}

/* 2. Resets & Core Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

ul {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button, input, textarea {
    font-family: inherit;
}

/* 3. Utility Classes */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.text-accent {
    color: var(--accent);
}

.section-padding {
    padding: 120px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-tagline {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: inline-block;
    margin-bottom: 8px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--primary) 100%);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(168, 85, 247, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(168, 85, 247, 0.05);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.15);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Glassmorphism Card base */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: 0 8px 30px rgba(168, 85, 247, 0.05);
}

/* 4. Ambient Background Glowing Blobs */
.glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.35;
    pointer-events: none;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: 5%;
    right: 10%;
    animation: blobFloat 18s ease-in-out infinite alternate;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    top: 35%;
    left: -10%;
    animation: blobFloat 22s ease-in-out infinite alternate-reverse;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: var(--accent-pink);
    bottom: 10%;
    right: 15%;
    animation: blobFloat 15s ease-in-out infinite alternate;
}

@keyframes blobFloat {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(60px, 40px) scale(1.1); }
}

/* 5. Header & Navigation Menu */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 10, 12, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    height: 70px;
    background: rgba(10, 10, 12, 0.9);
}

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

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--primary);
    font-weight: 800;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--primary) 100%);
    transition: var(--transition-fast);
    border-radius: 2px;
}

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

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.mobile-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* 6. Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    padding-bottom: 60px;
}

.hero-content {
    max-width: 620px;
}

.hero-avatar-wrapper {
    margin-bottom: 20px;
    display: inline-block;
}

.hero-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center 15%;
    border: 2px solid rgba(168, 85, 247, 0.4);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.25);
    background: var(--bg-secondary);
    transition: var(--transition-normal);
    animation: avatarPulse 6s infinite ease-in-out;
}

.hero-avatar:hover {
    transform: scale(1.05) rotate(2deg);
    border-color: var(--accent);
    box-shadow: 0 0 25px rgba(6, 182, 212, 0.6);
    animation-play-state: paused;
}

@keyframes avatarPulse {
    0%, 100% {
        box-shadow: 0 0 15px rgba(168, 85, 247, 0.25);
        border-color: rgba(168, 85, 247, 0.4);
    }
    50% {
        box-shadow: 0 0 25px rgba(6, 182, 212, 0.45);
        border-color: rgba(6, 182, 212, 0.55);
    }
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-family: var(--font-mono);
}

.hero-subtitle .cursor {
    font-weight: 100;
    animation: cursorBlink 0.8s infinite;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
}

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

/* Terminal Mockup */
.terminal-container {
    width: 100%;
    max-width: 480px;
    background: rgba(12, 12, 16, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(168, 85, 247, 0.05);
    overflow: hidden;
    font-family: var(--font-mono);
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(22, 22, 28, 0.6);
    border-bottom: 1px solid var(--border-color);
}

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

.terminal-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.terminal-title {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.terminal-action {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 20px;
    font-size: 0.85rem;
    line-height: 1.5;
    color: #e2e8f0;
    min-height: 270px;
}

.terminal-line {
    margin-bottom: 8px;
}

.t-user { color: var(--accent); }
.t-dir { color: var(--primary); }
.t-system { color: var(--text-secondary); }

.status-sec {
    color: #10b981;
    font-weight: bold;
}

.status-warn {
    color: #ef4444;
    font-weight: bold;
}

.typing-placeholder {
    display: inline-block;
    width: 8px;
    height: 15px;
    background-color: var(--text-primary);
    animation: cursorBlink 0.8s infinite;
    vertical-align: middle;
}

@keyframes cursorBlink {
    50% { opacity: 0; }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--text-muted);
    border-radius: 15px;
    display: block;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheelScroll 1.8s ease-in-out infinite;
}

@keyframes wheelScroll {
    0% { top: 6px; opacity: 1; }
    80% { top: 18px; opacity: 0; }
    100% { top: 6px; opacity: 0; }
}

/* 7. About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.about-card {
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.about-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.15);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 24px;
    font-weight: 500;
}

.about-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-meta {
    font-family: var(--font-mono);
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1rem;
}

.education-timeline {
    margin-top: 32px;
    border-left: 2px solid rgba(255, 255, 255, 0.05);
    padding-left: 20px;
}

.timeline-item {
    position: relative;
    margin-bottom: 24px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -27px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-primary);
}

.timeline-content h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.highlight-stats {
    display: flex;
    gap: 24px;
    margin-top: 40px;
}

.stat-box {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 7b. GitHub Activity Heatmap */
.github-section {
    padding: 0 0 100px 0;
}

.github-heatmap-container {
    padding: 44px 48px;
    position: relative;
    overflow: hidden;
}

.github-heatmap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.github-title-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.github-icon-gradient {
    font-size: 1.8rem;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.github-heatmap-header h3 {
    font-size: 1.35rem;
    font-weight: 700;
}

.github-username-link {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.15);
    padding: 6px 16px;
    border-radius: 50px;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.github-username-link:hover {
    background: rgba(6, 182, 212, 0.15);
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}

/* Calendar styling overrides for dark theme */
#github-calendar {
    border: none;
    min-height: 120px;
    width: 100%;
}

#github-calendar .calendar-loading-state,
#github-calendar .calendar-error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

#github-calendar .calendar-loading-state i {
    font-size: 2rem;
    color: var(--primary);
}

#github-calendar .calendar-error-state i {
    font-size: 2rem;
    color: #ef4444;
}

#github-calendar .calendar-error-state a {
    color: var(--accent);
    text-decoration: underline;
}

/* Override GitHub contribution cells to match theme colors (purple/cyan) and make graph bigger */
#github-calendar svg.js-calendar-graph-svg {
    max-width: 100%;
    height: auto;
    transform: scale(1.04);
    transform-origin: left center;
}

#github-calendar rect.ContributionCalendar-day[data-level='0'] {
    fill: rgba(255, 255, 255, 0.03) !important;
}

#github-calendar rect.ContributionCalendar-day[data-level='1'] {
    fill: rgba(168, 85, 247, 0.25) !important;
}

#github-calendar rect.ContributionCalendar-day[data-level='2'] {
    fill: rgba(168, 85, 247, 0.6) !important;
}

#github-calendar rect.ContributionCalendar-day[data-level='3'] {
    fill: rgba(6, 182, 212, 0.7) !important;
}

#github-calendar rect.ContributionCalendar-day[data-level='4'] {
    fill: rgba(6, 182, 212, 1) !important;
}

/* Style calendar labels and stats */
#github-calendar text.ContributionCalendar-label {
    fill: var(--text-muted) !important;
    font-size: 9px;
    font-family: var(--font-mono);
}

#github-calendar .contrib-column {
    border: 1px solid rgba(255, 255, 255, 0.04);
    background: rgba(255, 255, 255, 0.01);
    padding: 20px 24px !important;
    border-radius: 10px;
    text-align: center;
}

#github-calendar .contrib-number {
    color: var(--primary) !important;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.6rem !important;
}

#github-calendar .text-muted {
    color: var(--text-secondary) !important;
    font-size: 0.85rem !important;
}

#github-calendar .calendar .legend {
    color: var(--text-muted);
    font-size: 0.75rem;
}

@media (max-width: 991px) {
    #github-calendar svg.js-calendar-graph-svg {
        transform: none;
    }
}

@media (max-width: 768px) {
    .github-heatmap-container {
        padding: 28px 24px;
    }
}

/* 8. Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.skills-category-card {
    padding: 36px;
}

.skills-icon-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.skills-icon {
    width: 48px;
    height: 48px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.25rem;
}

.skills-icon-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.skill-info span:last-child {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.skill-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress-bar .progress {
    height: 100%;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    width: 0%; /* Populated dynamically or styled via inline width */
}

/* 8b. Experience Section */
.experience-section {
    position: relative;
}

.experience-timeline-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.experience-timeline-container::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--primary) 50%, rgba(168, 85, 247, 0.1) 100%);
}

.experience-item {
    position: relative;
    margin-bottom: 36px;
    padding: 28px 32px;
}

.experience-item:last-child {
    margin-bottom: 0;
}

.experience-dot {
    position: absolute;
    left: -33px;
    top: 32px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.4);
    z-index: 2;
}

.experience-item:hover .experience-dot {
    background: var(--primary);
    box-shadow: 0 0 16px rgba(168, 85, 247, 0.5);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.experience-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

.experience-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.15);
    padding: 4px 12px;
    border-radius: 50px;
    white-space: nowrap;
}

.experience-org {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.experience-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.experience-desc li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 6px;
}

.experience-desc li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* 8c. Certifications Badge */
.certifications-banner {
    max-width: 800px;
    margin: 48px auto 0;
    padding: 24px 32px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.cert-icon {
    width: 52px;
    height: 52px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.4rem;
    flex-shrink: 0;
}

.cert-details h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.cert-details p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.cert-details .cert-status {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
}

@media (max-width: 768px) {
    .experience-header {
        flex-direction: column;
    }
    .experience-item {
        padding: 20px 24px;
    }
    .certifications-banner {
        flex-direction: column;
        text-align: center;
    }
}

/* 9. Projects Section */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    background: rgba(168, 85, 247, 0.08);
    border-color: var(--primary);
    color: var(--text-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.project-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.project-image-wrapper {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    background: #08080a;
}

.project-svg-banner {
    width: 100%;
    height: 100%;
    display: block;
    transition: var(--transition-slow);
}

.project-card:hover .project-svg-banner {
    transform: scale(1.05);
}

.project-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    background: rgba(10, 10, 12, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-primary);
    z-index: 2;
}

.project-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.project-links {
    display: flex;
    gap: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 16px;
}

.project-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.project-link:hover {
    color: var(--primary);
}

.project-link.demo {
    color: var(--accent);
}

.project-link.demo:hover {
    color: var(--accent);
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.3);
}

/* 10. Contact Section */
.contact-centered-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.contact-intro-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 48px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

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

.info-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    padding: 32px 24px;
    transition: var(--transition-fast);
}

.info-card:hover {
    transform: translateY(-4px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 10px 30px -10px rgba(6, 182, 212, 0.15);
}

.info-icon {
    width: 56px;
    height: 56px;
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.4rem;
}

.info-details h4 {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-details p, .info-details a {
    font-size: 1.05rem;
    font-weight: 600;
}

.info-social-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 12px;
}

.info-social-links a {
    font-size: 1.85rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.info-social-links a:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .info-cards-container {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* 11. Footer */
.footer {
    background: #060608;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-left p {
    color: var(--text-secondary);
    margin-top: 16px;
    font-size: 0.95rem;
    max-width: 300px;
}

.footer-links h4, .footer-socials h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons a {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--text-secondary);
}

.social-icons a:hover {
    background: rgba(168, 85, 247, 0.08);
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 30px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   12. Responsive Adjustments (Media Queries)
   ========================================================================== */

@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 991px) {
    .section-padding {
        padding: 80px 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-desc {
        max-width: 600px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    /* Menu Navigation for Mobile */
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: rgba(10, 10, 12, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-left: 1px solid var(--border-color);
        padding: 120px 40px 40px;
        z-index: 1050;
        transition: var(--transition-normal);
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 24px;
    }
    
    .nav-link {
        font-size: 1.15rem;
    }
    
    .mobile-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .nav-actions {
        display: none;
    }
    
    .nav-actions.mobile-nav-visible {
        display: flex;
        position: absolute;
        bottom: 40px;
        left: 40px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-subtitle {
        font-size: 1.4rem;
    }
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    .hero-ctas .btn {
        width: 100%;
    .about-card {
        padding: 24px;
    }
}

/* SVG Pulse Line Animation */
.svg-pulse-line {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawPulse 6s linear infinite;
}

@keyframes drawPulse {
    0% {
        stroke-dashoffset: 1000;
    }
    50% {
        stroke-dashoffset: 0;
    }
    100% {
        stroke-dashoffset: -1000;
    }
}