/* ==================== CSS Variables & Reset ==================== */
:root {
    --primary-color: #6c5ce7;
    --primary-dark: #5f3dc4;
    --secondary-color: #a29bfe;
    --dark-bg: #0a0e27;
    --darker-bg: #050811;
    --card-bg: #1a1f3a;
    --border-color: #2d3561;
    --text-primary: #f5f7fa;
    --text-secondary: #b8c5d6;
    --accent-color: #00d4ff;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --error-color: #e17055;
}

/* Light Theme */
:root[data-theme="light"] {
    --primary-color: #6c5ce7;
    --primary-dark: #5f3dc4;
    --secondary-color: #a29bfe;
    --dark-bg: #f8f9fa;
    --darker-bg: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --text-primary: #1a1f3a;
    --text-secondary: #6c757d;
    --accent-color: #00bcd4;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --error-color: #e17055;
}

:root {
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

/* ==================== Typography ==================== */
h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--accent-color);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--primary-color);
}

ul {
    margin-left: var(--space-md);
}

li {
    margin-bottom: var(--space-sm);
}

/* ==================== Container & Layout ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ==================== Navigation ==================== */
.navbar {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    transition: all var(--transition-fast);
    position: relative;
}

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

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--accent-color);
    margin: 3px 0;
    border-radius: 3px;
    transition: all var(--transition-fast);
}

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--accent-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    margin-right: var(--space-md);
    position: relative;
}

.theme-toggle:hover {
    border-color: var(--accent-color);
    background: rgba(0, 212, 255, 0.1);
}

.theme-toggle svg {
    position: absolute;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.sun-icon {
    opacity: 1;
    transform: rotate(0deg);
}

.moon-icon {
    opacity: 0;
    transform: rotate(-180deg);
}

[data-theme="light"] .sun-icon {
    opacity: 0;
    transform: rotate(180deg);
}

[data-theme="light"] .moon-icon {
    opacity: 1;
    transform: rotate(0deg);
}

/* ==================== Hero Section ==================== */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl) 0;
    min-height: 85vh;
    align-content: center;
    background-image: linear-gradient(rgba(10,14,39,0.55), rgba(10,14,39,0.25)), url('assets/hero_img.webp');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    position: relative;
    color: var(--text-primary);
}

.hero-content {
    max-width: 900px;
    padding: var(--space-lg);
    background: transparent;
    z-index: 2;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-image {
    display: none; /* image moved to background for hero section */
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left var(--transition-fast);
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(108, 92, 231, 0.4);
}

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

.btn-secondary:hover {
    background: var(--card-bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.2);
}

/* ==================== Projects Section ==================== */
.projects {
    padding: var(--space-2xl) 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(108, 92, 231, 0.2);
}

.project-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md); /* center horizontally inside card */
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(108, 92, 231, 0.1);
    border-radius: 12px;
}

.project-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.project-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.project-role {
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.tag-genre {
    background: rgba(108, 92, 231, 0.1);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.tag-engine {
    background: rgba(162, 155, 254, 0.1);
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.tag-platform {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.tag-in-dev {
    background: rgba(253, 203, 110, 0.1);
    color: var(--warning-color);
    border-color: var(--warning-color);
}

/* ==================== Contact Section ==================== */
.contact {
    padding: var(--space-2xl) 0;
    background: rgba(26, 31, 58, 0.5);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin: var(--space-2xl) 0;
}

.contact h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-lg);
}

label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--text-primary);
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

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

.contact-form button {
    width: 100%;
}

/* ==================== Footer ==================== */
.footer {
    background: rgba(5, 8, 17, 0.8);
    border-top: 1px solid var(--border-color);
    padding: var(--space-xl) 0 var(--space-lg);
    margin-top: var(--space-2xl);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--card-bg);
    color: var(--accent-color);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(108, 92, 231, 0.3);
}

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==================== Bio Section ==================== */
/* ==================== Bio Section ==================== */
.bio-section {
    padding: var(--space-2xl) 0;
}

.bio-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

/* ==================== Blog Section ==================== */
.blog {
    padding: var(--space-2xl) 0;
}

.blog h2 {
    text-align: center;
    margin-bottom: var(--space-md);
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.blog-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.blog-card:hover::before {
    transform: scaleX(1);
}

.blog-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(108, 92, 231, 0.2);
}

.blog-date {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--space-sm);
}

.blog-card h3 {
    margin-bottom: var(--space-md);
    font-size: 1.2rem;
}

.blog-card h3 a {
    color: var(--text-primary);
}

.blog-card h3 a:hover {
    color: var(--accent-color);
}

.blog-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
    flex-grow: 1;
    line-height: 1.6;
}

.blog-meta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
    margin-top: auto;
}

.blog-category {
    display: inline-block;
    background: rgba(108, 92, 231, 0.1);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.blog-readtime {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.blog-cta {
    text-align: center;
    margin-top: var(--space-xl);
}

/* Blog Page */
.blog-header {
    background: rgba(26, 31, 58, 0.5);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-xl) 0;
    margin-bottom: var(--space-2xl);
}

.blog-header h1 {
    margin-bottom: var(--space-md);
    color: var(--accent-color);
}

.blog-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.blog-section {
    padding: 0;
}

.blog-grid-full {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.blog-card-large {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.blog-card-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition-normal);
}

.blog-card-large:hover::before {
    transform: scaleY(1);
}

.blog-card-large:hover {
    border-color: var(--primary-color);
    transform: translateX(8px);
    box-shadow: 0 12px 40px rgba(108, 92, 231, 0.2);
}

.blog-card-date {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--space-sm);
}

.blog-card-large h2 {
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

.blog-card-large h2 a {
    color: var(--text-primary);
}

.blog-card-large h2 a:hover {
    color: var(--accent-color);
}

.blog-card-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.blog-card-meta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: var(--space-md);
}

.blog-tag {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.read-more {
    color: var(--accent-color);
    font-weight: 600;
    display: inline-block;
    transition: all var(--transition-fast);
}

.read-more:hover {
    transform: translateX(4px);
}

/* Blog Post Page */
.blog-post {
    margin-bottom: var(--space-2xl);
}

.blog-post-header {
    background: rgba(26, 31, 58, 0.5);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-xl) 0;
    margin-bottom: var(--space-2xl);
}

.blog-post-header h1 {
    margin-bottom: var(--space-md);
    color: var(--accent-color);
}

.blog-post-meta {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.blog-post-meta span::before {
    content: '•';
    margin-right: var(--space-sm);
    color: var(--primary-color);
}

.blog-post-meta span:first-child::before {
    content: '';
    margin-right: 0;
}

.blog-post-content {
    padding: 0;
    max-width: 900px;
    margin: 0 auto var(--space-2xl);
}

.blog-post-content h2 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.blog-post-content h3 {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
}

.blog-post-content p {
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.blog-post-content ul,
.blog-post-content ol {
    margin-bottom: var(--space-lg);
}

.blog-post-content li {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.blog-post-footer {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-xl);
}

.post-tags {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.post-tags .tag {
    background: rgba(108, 92, 231, 0.1);
    color: var(--primary-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.post-navigation {
    margin-top: var(--space-lg);
}

.bio-section {
    padding: var(--space-2xl) 0;
}

.bio-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.bio-image {
    position: relative;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    justify-self: center;
    align-self: start;
    margin-top: 0;
}

.bio-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: 0;
}

@media (max-width: 600px) {
    .bio-image {
        width: 120px;
        height: 120px;
        margin: 0 auto;
    }
}

.bio-text h1 {
    color: var(--accent-color);
}

.bio-intro {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-weight: 500;
}

.expertise-list {
    background: var(--card-bg);
    border-left: 3px solid var(--primary-color);
    padding: var(--space-lg);
    border-radius: 8px;
    margin-bottom: var(--space-lg);
}

.expertise-list li {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.expertise-list li::before {
    content: '✓';
    display: inline-block;
    color: var(--success-color);
    font-weight: bold;
    margin-right: var(--space-md);
    font-size: 1.2rem;
}

.cta-section {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

/* ==================== Project Details Page ==================== */
.project-banner {
    width: 100%;
    max-height: 400px;
    overflow: hidden;
    border-radius: 0;
    margin-bottom: var(--space-xl);
}

.project-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-details {
    padding: var(--space-lg) 0 var(--space-2xl);
}

.project-header {
    margin-bottom: var(--space-xl);
}

.project-subtitle {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: var(--space-md);
}

.project-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.info-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: var(--space-md);
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.info-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.info-card h3 {
    color: var(--accent-color);
    margin-bottom: var(--space-sm);
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

.project-body {
    max-width: 900px;
}

.project-body h2 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.features-list {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: var(--space-lg);
    border-radius: 12px;
    margin-bottom: var(--space-lg);
}

.features-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.features-list li::before {
    content: '→';
    display: inline-block;
    color: var(--accent-color);
    font-weight: bold;
    margin-right: var(--space-md);
    min-width: 20px;
}

.status-note {
    background: rgba(253, 203, 110, 0.1);
    border: 1px solid var(--warning-color);
    border-radius: 8px;
    padding: var(--space-md);
    margin: var(--space-lg) 0;
}

.status-note p {
    color: var(--warning-color);
    margin-bottom: 0;
}

.project-cta {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

/* ==================== Media Queries ==================== */
@media (max-width: 768px) {
    .nav-menu {
        gap: var(--space-md);
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        padding: var(--space-lg) 0;
        min-height: auto;
    }

    .hero-content {
        padding-right: 0;
    }

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

    .bio-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

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

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

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

    .cta-section .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 60px;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background: var(--dark-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.5);
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--border-color);
        display: none; /* completely hide nav menu when hamburger shows */
    }

    .nav-menu.active {
        left: 0;
        display: flex; /* show when active */
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9rem;
    }

    .project-info-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta,
    .project-cta,
    .cta-section {
        flex-direction: column;
    }

    .hero-cta .btn,
    .project-cta .btn,
    .cta-section .btn {
        width: 100%;
    }

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

    .container {
        padding: 0 var(--space-sm);
    }
}

/* ==================== Utility Classes ==================== */
.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: var(--space-lg);
}

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

.hidden {
    display: none;
}

/* ==================== Print Styles ==================== */
@media print {
    .navbar,
    .footer {
        display: none;
    }
}