/* ============================
   CSS Variables & Design Tokens
   ============================ */
:root {
    /* Colors */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-glass: rgba(17, 24, 39, 0.6);

    --accent-primary: #00d4ff;
    --accent-secondary: #7c3aed;
    --accent-tertiary: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;

    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #00d4ff 100%);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-color: rgba(148, 163, 184, 0.1);
    --border-glow: rgba(0, 212, 255, 0.3);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

/* ============================
   Reset & Base
   ============================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: rgba(0, 212, 255, 0.3);
    color: var(--text-primary);
}

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

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

img {
    max-width: 100%;
    display: block;
}

/* ============================
   Particles Canvas
   ============================ */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ============================
   Container
   ============================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================
   Navigation
   ============================ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-normal);
    background: transparent;
}

#navbar.scrolled {
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-bracket {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
    border-radius: 1px;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
    border-radius: 1px;
}

/* ============================
   Section Common
   ============================ */
.section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-tag {
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-weight: 400;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title + .section-subtitle {
    margin-top: 12px;
}

.section-title:not(:has(+ .section-subtitle)) {
    margin-bottom: 60px;
}

/* ============================
   Buttons
   ============================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-glow);
}

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    color: var(--accent-primary);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    font-size: 1.1rem;
}

/* ============================
   Hero Section
   ============================ */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 1;
    padding: 120px 24px 60px;
}

.hero-content {
    max-width: var(--container-max);
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-greeting {
    font-family: var(--font-mono);
    color: var(--accent-primary);
    font-size: 1rem;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.hero-name {
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
}

.typed-prefix {
    color: var(--accent-tertiary);
}

#typed-text {
    color: var(--text-primary);
}

.cursor {
    color: var(--accent-primary);
    animation: blink 1s step-end infinite;
    font-weight: 300;
}

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

.hero-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* Terminal Window */
.hero-terminal {
    perspective: 1000px;
}

.terminal-window {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(0, 212, 255, 0.1),
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 100px rgba(0, 212, 255, 0.05);
    animation: terminalFloat 6s ease-in-out infinite;
}

@keyframes terminalFloat {
    0%, 100% { transform: translateY(0) rotateX(0deg); }
    50% { transform: translateY(-10px) rotateX(1deg); }
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

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

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

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

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
}

.terminal-line {
    margin-bottom: 4px;
    opacity: 0;
    animation: termLineAppear 0.3s ease forwards;
}

.terminal-line.visible {
    opacity: 1;
}

@keyframes termLineAppear {
    to { opacity: 1; }
}

.prompt {
    color: var(--accent-tertiary);
    margin-right: 8px;
}

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

.output {
    color: var(--text-secondary);
    padding-left: 8px;
}

.output.success {
    color: var(--accent-tertiary);
}

.output.info {
    color: var(--accent-primary);
}

.output.warning {
    color: var(--accent-warning);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: mouseWheel 1.5s ease-in-out infinite;
}

@keyframes mouseWheel {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(10px); }
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================
   About Section
   ============================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-text strong {
    color: var(--text-primary);
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

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

.highlight-item:hover {
    border-color: var(--border-glow);
    transform: translateX(8px);
}

.highlight-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.highlight-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.highlight-item p {
    font-size: 0.9rem !important;
    color: var(--text-muted) !important;
    margin-bottom: 0 !important;
}

/* Config File Card */
.about-card {
    position: sticky;
    top: 100px;
}

.config-file {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.config-header {
    background: var(--bg-tertiary);
    padding: 12px 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.config-content {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    overflow-x: auto;
}

.yaml-key {
    color: var(--accent-primary);
}

.yaml-value {
    color: var(--accent-tertiary);
}

/* ============================
   Skills Section
   ============================ */
.skills-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.skill-category:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.category-icon {
    font-size: 1.8rem;
}

.category-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-primary);
    transition: all var(--transition-fast);
}

.skill-badge:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

/* ============================
   Pipeline Section
   ============================ */
.pipeline-container {
    max-width: 100%;
    overflow-x: auto;
    padding: 20px 0;
}

.pipeline-track {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    min-width: 800px;
    padding: 0 20px;
}

.pipeline-stage {
    flex: 1;
    text-align: center;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.pipeline-stage.active {
    opacity: 1;
    transform: translateY(0);
}

.stage-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    transition: all var(--transition-normal);
    position: relative;
    z-index: 2;
}

.pipeline-stage.active .stage-icon {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    animation: stagePulse 2s ease-in-out infinite;
}

@keyframes stagePulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.3); }
    50% { box-shadow: 0 0 35px rgba(0, 212, 255, 0.5); }
}

.stage-content h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.stage-content p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stage-connector {
    position: absolute;
    top: 36px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.pipeline-stage:last-child .stage-connector {
    display: none;
}

.pipeline-stage.active .stage-connector {
    background: var(--gradient-primary);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}

.pipeline-progress {
    margin-top: 30px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 1s ease;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

/* ============================
   Projects Section
   ============================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

.project-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(0, 212, 255, 0.08);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.project-icon {
    font-size: 2rem;
}

.project-links {
    display: flex;
    gap: 12px;
}

.project-link {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

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

.project-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.tag {
    padding: 4px 10px;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-secondary);
}

.project-metrics {
    display: flex;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================
   Certifications Section
   ============================ */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.cert-card:hover {
    border-color: var(--accent-warning);
    transform: translateY(-6px);
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.1);
}

.cert-badge {
    margin-bottom: 16px;
}

.cert-icon {
    font-size: 3rem;
}

.cert-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.cert-level {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.cert-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-warning);
    padding: 4px 12px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-sm);
}

/* ============================
   Education Section
   ============================ */
.education-grid {
    max-width: 700px;
    margin: 0 auto;
}

.education-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.education-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
}

.education-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: var(--radius-md);
}

.education-info h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.education-degree {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.education-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-primary);
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.08);
    border-radius: var(--radius-sm);
}

.education-details {
    flex-basis: 100%;
}

.education-details p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-top: 12px;
}

/* ============================
   Contact Section
   ============================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.contact-info > p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-link-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 1rem;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.contact-link-item:hover {
    color: var(--text-primary);
    background: var(--bg-card);
    border-color: var(--border-color);
    transform: translateX(8px);
}

.contact-icon {
    font-size: 1.4rem;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: all var(--transition-normal);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================
   Footer
   ============================ */
#footer {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

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

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ============================
   Scroll Animations
   ============================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* ============================
   Responsive Design
   ============================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .hero-terminal {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-card {
        position: static;
    }

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

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

    .certs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(10, 14, 23, 0.98);
        backdrop-filter: blur(20px);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

    .hero-name {
        font-size: 2.4rem;
    }

    .hero-title {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
    }

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

    .skills-categories {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .certs-grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .pipeline-track {
        min-width: 600px;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
    }

    .certs-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 1.5rem;
    }
}