/* ===== PAROSH PORTFOLIO ===== */

/* ===== CYBERSECURITY ENHANCEMENT VARIABLES ===== */
:root {
    /* Cybersecurity Color Palette */
    --primary-bg: #0a0a0a;
    --secondary-bg: #111111;
    --card-bg: #1a1a1a;
    --terminal-bg: #0c0c0c;
    --accent-green: #00ff41;
    --accent-blue: #00d9ff;
    --accent-red: #ff4757;
    --accent-yellow: #ffa502;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --border-color: #333333;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glow-green: 0 0 20px rgba(0, 255, 65, 0.3);
    --glow-blue: 0 0 20px rgba(0, 217, 255, 0.3);

    /* Typography */
    --font-mono: 'Fira Code', 'Courier New', monospace;
    --font-sans: 'Inter', 'Segoe UI', sans-serif;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography Scale */
    --fs-body: clamp(14px, 1.4vw, 16px);
    --fs-h1: clamp(28px, 5vw, 44px);
    --fs-h2: clamp(22px, 3.5vw, 32px);
    --fs-h3: clamp(18px, 2.5vw, 22px);
}

/* ===== CSS RESET & BASELINE ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    overflow-x: hidden; /* prevent horizontal scrollbars on small screens */
}

/* ===== ENHANCED BASE STYLES ===== */
body {
    background: var(--primary-bg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--fs-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 70px; /* prevent content being hidden behind fixed navbar */
}

img, svg, video, canvas {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== LOADING SCREEN ===== */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--primary-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.terminal-window {
    width: 600px;
    max-width: 90vw;
    background: var(--terminal-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

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

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

.btn-close { background: var(--accent-red); }
.btn-minimize { background: var(--accent-yellow); }
.btn-maximize { background: var(--accent-green); }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
    flex: 1;
    text-align: center;
}

.terminal-body, .terminal-content {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.4;
    color: var(--text-primary);
}

.prompt {
    color: var(--accent-green);
    font-weight: 500;
}

.command {
    color: var(--accent-blue);
}

.loading-dots .dots::after {
    content: '';
    animation: dots 2s infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

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

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 600;
}

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

.username {
    color: var(--accent-blue);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover {
    color: var(--accent-green);
    text-shadow: var(--glow-green);
}

.nav-link.active {
    color: var(--accent-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-green);
    transition: width 0.3s ease;
}

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

/* Global focus-visible styling for interactive elements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.matrix-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 65, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 71, 87, 0.1) 0%, transparent 50%);
    animation: matrixMove 20s linear infinite;
}

@keyframes matrixMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

.hero-content {
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

/* Center terminal text specifically in the Home hero terminal */
#home .terminal-content {
    text-align: center;
}

.terminal-hero {
    margin-bottom: 40px;
}

.output {
    color: var(--text-primary);
    margin: 10px 0;
}

/* Precise mission caret and no layout shift */
#mission-text {
    display: inline-flex;
    align-items: baseline;
}
#mission-text .text {
    /* allow wrapping on small screens without breaking layout */
    white-space: pre-wrap;
    word-break: break-word;
}
#mission-text .caret {
    width: 2px;
    background: var(--accent-green);
    margin-left: 2px;
    /* stretch to current line height for accurate caret */
    align-self: stretch;
    animation: caretBlink 1s steps(1, end) infinite;
}
@keyframes caretBlink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.cursor {
    color: var(--accent-green);
    animation: caretBlink 1s steps(1, end) infinite;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    color: var(--accent-green);
    border-color: var(--accent-green);
    box-shadow: var(--glow-green);
    transform: translateY(-2px);
}

/* Hero CTA (Download Resume) */
.hero-ctas {
    margin-top: 24px;
    display: flex;
    justify-content: center;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.cta-primary {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    color: var(--primary-bg);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 65, 0.25);
}

/* ===== ENHANCED SECTIONS ===== */
.section {
    padding: 100px 0;
    position: relative;
    scroll-margin-top: 80px; /* account for fixed navbar when using anchors */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section-title {
    font-family: var(--font-mono);
    font-size: var(--fs-h2);
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Heading defaults for content areas */
h1 { font-size: var(--fs-h1); margin: 0 0 16px; }
h2 { font-size: var(--fs-h2); margin: 0 0 14px; }
h3 { font-size: var(--fs-h3); margin: 0 0 12px; }

/* ===== ABOUT SECTION ENHANCEMENTS ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: start;
    max-width: 900px;
    margin: 0 auto;
}

.code-block {
    background: var(--terminal-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: 30px;
}

.code-header {
    background: var(--card-bg);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
}

.code-content {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    overflow-x: auto;
    white-space: pre; /* keep code-like feel on larger screens */
}

.about-description p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--accent-green);
    box-shadow: var(--glow-green);
    transform: translateY(-2px);
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 10px;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.skill-category {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--glow-blue);
}

.skill-category h3 {
    font-size: var(--fs-h3);
    margin-bottom: 25px;
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-name {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.skill-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
    border-radius: 3px;
    width: 0;
    transition: width 1s ease-out;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 12px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    transition: var(--transition);
}

.skill-tag:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
    box-shadow: var(--glow-green);
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.1), transparent);
    transition: left 0.5s ease;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    border-color: var(--accent-green);
    box-shadow: var(--glow-green);
    transform: translateY(-5px);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.project-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.project-type {
    font-size: 12px;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-mono);
}

.project-status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-status.critical {
    background: rgba(255, 71, 87, 0.2);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.project-status.high {
    background: rgba(255, 165, 2, 0.2);
    color: var(--accent-yellow);
    border: 1px solid var(--accent-yellow);
}

.project-status.medium {
    background: rgba(0, 217, 255, 0.2);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

/* Add styling for ongoing status */
.project-status.ongoing {
    background: rgba(0, 217, 255, 0.2);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-tags, .tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

/* (reverted) tools-list uses default flow without forced flex growth */

.project-tag, .project-tool {
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 4px 10px;
    font-size: 10px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.project-tools, .project-impact {
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* (reverted) project-tools back to block layout */

.project-tools strong, .project-impact strong {
    color: var(--text-primary);
}

.impact-level.critical {
    color: var(--accent-red);
    font-weight: 600;
}

.impact-level.high {
    color: var(--accent-yellow);
    font-weight: 600;
}

.impact-level.medium {
    color: var(--accent-blue);
    font-weight: 600;
}

.project-reward {
    background: rgba(255, 165, 2, 0.1);
    border: 1px solid var(--accent-yellow);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--accent-yellow);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.project-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.project-link {
    color: var(--accent-green);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.project-link:hover {
    text-shadow: var(--glow-green);
}

/* ===== CERTIFICATIONS SECTION ===== */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.cert-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.cert-card:hover {
    border-color: var(--accent-yellow);
    box-shadow: 0 0 20px rgba(255, 165, 2, 0.3);
    transform: translateY(-5px);
}

.cert-icon {
    font-size: 48px;
    color: var(--accent-yellow);
    margin-bottom: 20px;
}

.cert-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.cert-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

.cert-status {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.cert-status.verified {
    background: rgba(0, 255, 65, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.cert-status.in-progress {
    background: rgba(255, 165, 2, 0.2);
    color: var(--accent-yellow);
    border: 1px solid var(--accent-yellow);
}

/* ===== ACHIEVEMENTS (CERTIFICATIONS) CONTENT STYLES ===== */
.achievements {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    max-width: 900px;
    margin: 0 auto;
}

.achievements h3 {
    color: var(--text-primary);
    margin: 24px 0 10px;
    font-size: 20px;
    font-weight: 600;
    border-left: 3px solid var(--accent-green);
    padding-left: 12px;
}

.achievements h3:not(:first-child) {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
}

.achievements h3 i {
    color: var(--accent-green);
    margin-right: 8px;
}

.achievements p {
    color: var(--text-secondary);
    margin: 6px 0 12px;
    line-height: 1.7;
}

.achievements ul {
    list-style: none;
    padding-left: 0;
    margin: 8px 0 18px;
}

.achievements li {
    position: relative;
    padding-left: 20px;
    margin: 8px 0;
    color: var(--text-secondary);
}

.achievements li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.4);
}

.achievements li i {
    color: var(--accent-blue);
    margin-right: 8px;
}

.achievements li a:hover i {
    color: var(--accent-green);
}

.achievements a {
    color: var(--accent-blue);
    text-decoration: none;
    border-bottom: 1px dashed transparent;
    transition: var(--transition);
}

.achievements a:hover {
    color: var(--accent-green);
    border-bottom-color: var(--accent-green);
    text-shadow: var(--glow-green);
}

@media (max-width: 480px) {
    .achievements { padding: 20px; }
    .achievements h3 { font-size: 18px; }
}

/* ===== CONTACT SECTION ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.terminal-contact {
    height: fit-content;
}

.contact-details {
    margin-top: 20px;
}

.contact-details p {
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-secondary);
}

.contact-details i {
    color: var(--accent-blue);
    width: 20px;
}

.contact-form {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    backdrop-filter: blur(10px);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: var(--glow-green);
}

.form-group label {
    position: absolute;
    top: -10px;
    left: 15px;
    background: var(--primary-bg);
    padding: 0 5px;
    font-size: 12px;
    color: var(--accent-green);
    font-family: var(--font-mono);
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    border: none;
    border-radius: 8px;
    padding: 15px;
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-bg);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 65, 0.3);
}

.btn-submit:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Inline form status message */
.form-status {
    margin-top: 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
    min-height: 18px;
}
.form-status.success { color: var(--accent-green); }
.form-status.error { color: var(--accent-red); }

/* ===== FOOTER ===== */
.footer {
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 5px 0;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-fadeInUp { animation: fadeInUp 0.6s ease-out; }
.animate-slideInLeft { animation: slideInLeft 0.6s ease-out; }
.animate-slideInRight { animation: slideInRight 0.6s ease-out; }

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

/* ===== RESPONSIVE DESIGN ===== */
/* Tablet optimizations */
@media (max-width: 1024px) and (min-width: 769px) {
    .about-content { grid-template-columns: 1fr; gap: 40px; }
    .contact-content { grid-template-columns: 1fr; gap: 50px; }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }
    .nav-menu {
        position: fixed; left: -100%; top: 70px;
        flex-direction: column; background: var(--secondary-bg);
        width: 100%; text-align: center; transition: 0.3s;
        box-shadow: var(--shadow); padding: 20px 0;
        align-items: center;
    }
    .nav-menu.active { left: 0; }
    .nav-menu li { margin: 15px 0; }
    .nav-menu .nav-link { justify-content: center; width: 100%; }
    .about-content { grid-template-columns: 1fr; gap: 40px; }
    .stats-grid { grid-template-columns: 1fr; }
    .contact-content { grid-template-columns: 1fr; gap: 40px; }
    .skills-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .certs-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
    .section { padding: 70px 0; }
    /* Make long code lines wrap on tablets and phones to avoid overflow */
    .code-content { white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere; }
    /* Tighter project card spacing and readable typography on smaller screens */
    .project-card { padding: 20px; }
    .project-title { font-size: 18px; }
    .project-type { font-size: 11px; }
    .project-description { font-size: 14px; }
}

@media (max-width: 480px) {
    .terminal-window { width: 95vw; }
    .section { padding: 50px 0; }
    .container { padding: 0 15px; }
    .hero-content { padding: 0 15px; }
    .terminal-content { padding: 20px; font-size: 14px; }
    .social-links { gap: 15px; }
    .social-link { width: 45px; height: 45px; }
    .code-content { white-space: pre-wrap; word-break: break-word; }
}

/* Prevent background scrolling when mobile nav is open */
body.menu-open {
    overflow: hidden;
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--secondary-bg); }
::-webkit-scrollbar-thumb { background: var(--accent-green); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-blue); }