/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Red Theme Colors */
    --primary-color: #e11d48;
    --primary-dark: #be123c;
    --primary-light: #fb7185;
    --accent-color: #f43f5e;
    
    /* Sidebar Colors */
    --sidebar-bg: #1a1a2e;
    --sidebar-text: #e4e4e7;
    --sidebar-hover: #252541;
    
    /* Main Content Colors */
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    
    /* Effects */
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    
    /* Layout */
    --sidebar-width: 280px;
}

/* Dark Mode Variables */
body.dark-mode {
    --bg-color: #0f172a;
    --bg-light: #1e293b;
    --text-color: #e2e8f0;
    --text-light: #94a3b8;
    --border-color: #334155;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 40px 20px;
}

/* Profile Section */
.profile-section {
    text-align: center;
    margin-bottom: 30px;
}

.profile-image {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #2d2d44;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

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

.profile-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    text-align: center;
    margin-bottom: 25px;
}

.dark-mode-btn {
    background: transparent;
    border: 2px solid var(--sidebar-hover);
    color: var(--sidebar-text);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin: 0 auto;
}

.dark-mode-btn:hover {
    background-color: var(--sidebar-hover);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.05);
}

/* Sidebar Social Links */
.sidebar-social {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.sidebar-social a {
    width: 40px;
    height: 40px;
    background-color: var(--sidebar-hover);
    color: var(--sidebar-text);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.1rem;
}

.sidebar-social a:hover {
    background-color: var(--primary-color);
    color: #ffffff;
    transform: translateY(-3px);
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
}

.sidebar-nav .nav-menu {
    list-style: none;
}

.sidebar-nav .nav-menu li {
    margin-bottom: 5px;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 1rem;
    gap: 12px;
}

.sidebar-nav .nav-link i {
    font-size: 1.1rem;
    width: 20px;
}

.sidebar-nav .nav-link:hover {
    background-color: var(--sidebar-hover);
    color: #ffffff;
    padding-left: 25px;
}

.sidebar-nav .nav-link.active {
    background-color: var(--sidebar-hover);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

/* Sidebar Footer */
.sidebar-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--sidebar-hover);
    font-size: 0.75rem;
    color: #8b8b9a;
}

.sidebar-footer p {
    margin-bottom: 5px;
}

.sidebar-footer .highlight {
    color: var(--primary-color);
    font-weight: 600;
}

/* Hamburger Menu (Mobile) */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background-color: var(--sidebar-bg);
    padding: 10px;
    border-radius: 5px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: var(--sidebar-text);
    margin: 3px 0;
    transition: var(--transition);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 80px 0;
}

/* ==================== HOME SECTION ==================== */
.home-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
    position: relative;
    padding: 0 !important;
}

.home-hero {
    z-index: 1;
}

.home-hero h1 {
    font-size: 4rem;
    color: #ffffff;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-size: 2rem;
    color: #ffffff;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--primary-color);
}

/* Section Titles */
.section-title {
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

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

/* ==================== ABOUT SECTION ==================== */
.about-section {
    background-color: var(--bg-color);
}

.about-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 50px;
    align-items: start;
}

.about-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
}

.about-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-color);
}

.about-text p {
    margin-bottom: 20px;
    text-align: justify;
}

.about-text h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 700;
}

.about-text ul {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.about-text ul li {
    padding-left: 25px;
    margin-bottom: 10px;
    position: relative;
    line-height: 1.6;
}

.about-text ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ==================== SKILLS SECTION ==================== */
.skills-section {
    background-color: var(--bg-light);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.skill-card {
    background-color: var(--bg-color);
    padding: 30px 20px;
    border-radius: 10px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 3px solid var(--primary-color);
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(225, 29, 72, 0.2);
}

.skill-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    min-width: 50px;
}

.skill-card h3 {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 600;
    margin: 0;
}

/* ==================== RESUME SECTION ==================== */
.resume-section {
    background-color: var(--bg-color);
}

.resume-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
}

.resume-column h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--text-color);
    letter-spacing: 1px;
}

.resume-item {
    position: relative;
    padding-left: 30px;
    margin-bottom: 35px;
    border-left: 2px solid var(--primary-color);
}

.resume-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

.resume-item h4 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}

.resume-date {
    display: inline-block;
    padding: 5px 12px;
    background-color: #f0f0f0;
    color: var(--text-color);
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.resume-company {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
    font-style: italic;
}

.resume-description {
    color: var(--text-light);
    margin-bottom: 15px;
    font-style: italic;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* ==================== PORTFOLIO SECTION ==================== */
.portfolio-section {
    background-color: var(--bg-light);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    transition: var(--transition);
}

.portfolio-item.hide {
    display: none;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.portfolio-image img {
    width: 100%;
    height: 300px;
    display: block;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(225, 29, 72, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    padding: 20px;
}

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

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

.portfolio-overlay h4 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

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

.portfolio-link {
    width: 45px;
    height: 45px;
    background-color: white;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.portfolio-link:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: scale(1.1);
}

/* ==================== SERVICES SECTION ==================== */
.services-section {
    background-color: var(--bg-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-light);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ==================== CONTACT SECTION ==================== */
.contact-section {
    background-color: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 5px;
}

.contact-text p {
    color: var(--text-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-color);
    color: var(--text-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form button {
    align-self: flex-start;
}

/* ==================== SCROLL TO TOP ==================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    z-index: 999;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .about-content {
        grid-template-columns: 300px 1fr;
        gap: 40px;
    }
    
    .resume-content {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }
    
    body {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .hamburger {
        display: flex;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .container {
        padding: 0 20px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .home-hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .resume-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .section-title h2 {
        font-size: 1.75rem;
    }
    
    .profile-image {
        width: 120px;
        height: 120px;
    }
    
    .profile-name {
        font-size: 1.25rem;
    }
    
    .sidebar-content {
        padding: 30px 15px;
    }
}