/* 
* Maureen Personal Blog Website
* Author: Maureen
* Version: 1.1
* Features: Responsive Design, Dark Mode, Dynamic Content
*/

/* ===== BASE STYLES ===== */
:root {
    /* Theme Variables - Light Mode (default) */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f8f8;
    --bg-tertiary: #f0f0f0;
    --text-primary: #333333;
    --text-secondary: #777777;
    --border-color: #dddddd;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    --header-bg: #ffffff;
    --header-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --footer-bg: #f8f8f8;
    --input-bg: #ffffff;
    --input-border: #dddddd;
    --input-focus: rgba(123, 63, 0, 0.1);
    --scrollbar-track: #f1f1f1;
    --scrollbar-thumb: #888;
    --scrollbar-thumb-hover: #555;

    /* Primary Colors */
    --primary-color: #7B3F00;      /* Rich Brown */
    --secondary-color: #DAA520;    /* Gold */
    
    /* Neutral Colors */
    --dark: #333333;
    --medium: #777777;
    --light: #f8f8f8;
    --white: #ffffff;
    
    /* Accent Colors */
    --accent-1: #A67C52;           /* Lighter Brown */
    --accent-2: #F2D2BD;           /* Beige */
    --accent-3: #8B4513;           /* Darker Brown */
    
    /* Font Families */
    --heading-font: 'Playfair Display', serif;
    --body-font: 'Poppins', sans-serif;
    --logo-font: 'Dancing Script', cursive;
    
    /* Font Sizes */
    --h1-size: 3.5rem;
    --h2-size: 2.5rem;
    --h3-size: 1.75rem;
    --h4-size: 1.25rem;
    --body-size: 1rem;
    --small-size: 0.875rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
}

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

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

body {
    font-family: var(--body-font);
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    transition: color 0.3s ease;
}

h1 {
    font-size: var(--h1-size);
}

h2 {
    font-size: var(--h2-size);
}

h3 {
    font-size: var(--h3-size);
}

h4 {
    font-size: var(--h4-size);
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

ul, ol {
    list-style: none;
}

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

button, input, textarea {
    font-family: var(--body-font);
    font-size: var(--body-size);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-padding {
    padding: var(--spacing-lg) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    margin-bottom: var(--spacing-xs);
    position: relative;
    display: inline-block;
}

.section-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    margin: 0 auto var(--spacing-sm);
}

.section-header p {
    color: var(--medium);
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-3);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-menu li {
    margin-left: var(--spacing-md);
}

.nav-menu a {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 160px 0 80px;
    background-color: var(--light);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    margin-bottom: var(--spacing-xs);
}

.hero-text h1 span {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.hero-text h1 span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: var(--secondary-color);
    opacity: 0.3;
    z-index: -1;
}

.hero-text h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--medium);
    margin-bottom: var(--spacing-sm);
}

.hero-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--secondary-color);
    border-radius: var(--border-radius-lg);
    z-index: 1;
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.skills-container {
    margin-top: var(--spacing-md);
}

.skill {
    margin-bottom: var(--spacing-sm);
}

.skill-name {
    margin-bottom: 5px;
    font-weight: 500;
}

.skill-bar {
    height: 8px;
    background-color: var(--accent-2);
    border-radius: 4px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

.about-stats {
    flex: 1;
    min-width: 300px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-title {
    color: var(--medium);
    font-weight: 500;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    padding: 8px 20px;
    background-color: var(--light);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.portfolio-item {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.portfolio-img {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(123, 63, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 5px;
    color: var(--primary-color);
    font-size: 1.2rem;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-medium);
}

.portfolio-item:hover .portfolio-overlay a {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-overlay a:hover {
    background-color: var(--secondary-color);
    color: var(--white);
}

.portfolio-overlay a:nth-child(2) {
    transition-delay: 0.1s;
}

.portfolio-info {
    padding: var(--spacing-sm);
    background-color: var(--white);
}

.portfolio-info h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.portfolio-info p {
    color: var(--medium);
    font-size: var(--small-size);
    margin-bottom: 0;
}

.portfolio-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: var(--border-radius-sm);
    font-size: var(--small-size);
    font-weight: 500;
    z-index: 1;
}

/* ===== BLOG SECTION ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.blog-card {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    background-color: var(--white);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.blog-img {
    height: 200px;
    overflow: hidden;
}

.blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.blog-card:hover .blog-img img {
    transform: scale(1.1);
}

.blog-content {
    padding: var(--spacing-md);
}

.blog-date {
    color: var(--medium);
    font-size: var(--small-size);
    margin-bottom: 5px;
    display: block;
}

.blog-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.blog-title a {
    color: var(--primary-color);
}

.blog-title a:hover {
    color: var(--secondary-color);
}

.blog-excerpt {
    color: var(--medium);
    margin-bottom: var(--spacing-sm);
}

.blog-link {
    font-weight: 500;
    display: inline-flex;
    align-items: center;
}

.blog-link i {
    margin-left: 5px;
    transition: var(--transition-fast);
}

.blog-link:hover i {
    transform: translateX(5px);
}

.blog-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-md);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(123, 63, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* ===== TRAVEL SECTION ===== */
.travel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.travel-card {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    position: relative;
}

.travel-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.travel-img {
    height: 250px;
    position: relative;
}

.travel-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.travel-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: var(--spacing-md);
    color: var(--white);
}

.travel-location {
    font-size: var(--small-size);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
}

.travel-location i {
    margin-right: 5px;
    color: var(--secondary-color);
}

.travel-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.travel-date {
    font-size: var(--small-size);
    opacity: 0.8;
}

/* ===== CONTACT SECTION ===== */
.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.contact-info {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    background-color: var(--light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form {
    flex: 1;
    min-width: 300px;
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(123, 63, 0, 0.1);
}

.form-status {
    margin-top: var(--spacing-sm);
    padding: 10px;
    border-radius: var(--border-radius-sm);
    display: none;
}

.form-status.success {
    display: block;
    background-color: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 1px solid #28a745;
}

.form-status.error {
    display: block;
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid #dc3545;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--light);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    flex: 1;
    min-width: 250px;
}

.footer-links {
    flex: 1;
    min-width: 250px;
    display: flex;
    gap: var(--spacing-md);
}

.footer-nav,
.footer-social {
    flex: 1;
}

.footer-nav h3,
.footer-social h3,
.footer-newsletter h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.footer-nav ul li {
    margin-bottom: 10px;
}

.footer-nav ul li a {
    color: var(--medium);
    transition: var(--transition-fast);
}

.footer-nav ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-newsletter {
    flex: 1;
    min-width: 250px;
}

.footer-newsletter p {
    color: var(--medium);
    margin-bottom: var(--spacing-sm);
}

.footer-newsletter form {
    display: flex;
}

.footer-newsletter input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    outline: none;
}

.footer-newsletter button {
    padding: 0 20px;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-bottom p {
    color: var(--medium);
    margin-bottom: 5px;
}

.footer-bottom i {
    color: #e25555;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 99;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    transform: translateY(-5px);
}

/* ===== DARK MODE STYLES ===== */
.dark-mode {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2d2d2d;
    --text-primary: #f0f0f0;
    --text-secondary: #aaaaaa;
    --border-color: #444444;
    --card-bg: #1e1e1e;
    --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    --header-bg: #1a1a1a;
    --header-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    --footer-bg: #1a1a1a;
    --input-bg: #2d2d2d;
    --input-border: #444444;
    --input-focus: rgba(218, 165, 32, 0.2);
    --scrollbar-track: #1e1e1e;
    --scrollbar-thumb: #444444;
    --scrollbar-thumb-hover: #666666;
}

.dark-mode .section-header p,
.dark-mode .blog-excerpt,
.dark-mode .blog-date,
.dark-mode .portfolio-info p,
.dark-mode .footer-bottom p,
.dark-mode .footer-nav ul li a,
.dark-mode .footer-newsletter p {
    color: var(--text-secondary);
}

.dark-mode .skill-bar,
.dark-mode .stat-item,
.dark-mode .filter-btn,
.dark-mode .contact-item,
.dark-mode .hero {
    background-color: var(--bg-tertiary);
}

.dark-mode .blog-card,
.dark-mode .portfolio-item,
.dark-mode .portfolio-info,
.dark-mode .form-group input,
.dark-mode .form-group textarea,
.dark-mode .footer-newsletter input {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

.dark-mode .social-links a {
    background-color: var(--bg-tertiary);
    color: var(--secondary-color);
}

.dark-mode .form-group input:focus,
.dark-mode .form-group textarea:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px var(--input-focus);
}

.dark-mode .footer {
    background-color: var(--footer-bg);
}

/* Theme Toggle Button */
.theme-toggle {
    background: rgba(123, 63, 0, 0.1);
    border: 2px solid var(--primary-color);
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    margin-left: var(--spacing-sm);
}

.theme-toggle:hover {
    background-color: rgba(123, 63, 0, 0.1);
}

.theme-toggle .dark-icon,
.theme-toggle .light-icon {
    position: absolute;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.light-mode .theme-toggle .dark-icon {
    opacity: 1;
    transform: translateY(0);
}

.light-mode .theme-toggle .light-icon {
    opacity: 0;
    transform: translateY(20px);
}

.dark-mode .theme-toggle .dark-icon {
    opacity: 0;
    transform: translateY(-20px);
}

.dark-mode .theme-toggle {
    background: rgba(218, 165, 32, 0.2);
    border-color: var(--secondary-color);
}

.dark-mode .theme-toggle .light-icon {
    opacity: 1;
    transform: translateY(0);
    color: var(--secondary-color);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 5px;
}

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

/* ===== RESPONSIVE STYLES ===== */
@media screen and (max-width: 992px) {
    :root {
        --h1-size: 3rem;
        --h2-size: 2.2rem;
        --h3-size: 1.5rem;
    }
    
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text,
    .hero-image {
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image::before {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --h1-size: 2.5rem;
        --h2-size: 2rem;
        --h3-size: 1.3rem;
    }
    
    .section-padding {
        padding: var(--spacing-md) 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition-fast);
        z-index: 1000;
        padding: 80px 20px 20px;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: var(--spacing-sm) 0;
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a {
        display: block;
        padding: 15px;
        font-size: 1.2rem;
        background-color: var(--bg-secondary);
        border-radius: var(--border-radius-md);
        margin: 5px 0;
        font-weight: 600;
    }
    
    .nav-menu a.active {
        background-color: var(--primary-color);
        color: var(--white);
    }
    
    .nav-menu li:last-child {
        margin-top: var(--spacing-md);
    }
    
    .theme-toggle {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin: 0 auto;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
        background-color: #e74c3c;
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
        background-color: #e74c3c;
    }
    
    .dark-mode .nav-toggle span {
        background-color: var(--secondary-color);
    }
    
    .dark-mode .nav-toggle.active span:nth-child(1),
    .dark-mode .nav-toggle.active span:nth-child(3) {
        background-color: #e74c3c;
    }
    
    .footer-content,
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media screen and (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .container {
        width: 95%;
        padding: 0 var(--spacing-xs);
    }
    :root {
        --h1-size: 2.2rem;
        --h2-size: 1.8rem;
        --h3-size: 1.2rem;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .portfolio-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .hero-image img {
        max-width: 100%;
        height: auto;
    }
    
    .portfolio-img,
    .blog-img,
    .travel-img {
        height: 200px;
    }
    
    .portfolio-overlay a {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .contact-form,
    .contact-info {
        width: 100%;
    }
    
    .social-links a {
        width: 35px;
        height: 35px;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
        font-size: 1rem;
    }
    
    .footer-newsletter form {
        flex-direction: column;
    }
    
    .footer-newsletter input {
        border-radius: var(--border-radius-sm);
        margin-bottom: 10px;
    }
    
    .footer-newsletter button {
        border-radius: var(--border-radius-sm);
    }
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-menu li {
    margin-left: var(--spacing-md);
}

.nav-menu a {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 160px 0 80px;
    background-color: var(--light);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    margin-bottom: var(--spacing-xs);
}

.hero-text h1 span {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.hero-text h1 span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: var(--secondary-color);
    opacity: 0.3;
    z-index: -1;
}

.hero-text h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--medium);
    margin-bottom: var(--spacing-sm);
}

.hero-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--secondary-color);
    border-radius: var(--border-radius-lg);
    z-index: 1;
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.skills-container {
    margin-top: var(--spacing-md);
}

.skill {
    margin-bottom: var(--spacing-sm);
}

.skill-name {
    margin-bottom: 5px;
    font-weight: 500;
}

.skill-bar {
    height: 8px;
    background-color: var(--accent-2);
    border-radius: 4px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

.about-stats {
    flex: 1;
    min-width: 300px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-title {
    color: var(--medium);
    font-weight: 500;
}