/* ===================================
   Global Styles & Reset
   =================================== */

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

:root {
    /* Cybersecurity Theme Colors */
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --accent-color: #00ffcc;
    --dark-bg: #0a0e27;
    --darker-bg: #050811;
    --card-bg: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #8892a6;
    --border-color: #2a3454;
    --success-color: #00ff88;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    --gradient-secondary: linear-gradient(135deg, #00ffcc 0%, #00d4ff 100%);
    --shadow-sm: 0 2px 8px rgba(0, 212, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 212, 255, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 212, 255, 0.3);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

section {
    padding: 100px 0;
    position: relative;
}

/* ===================================
   Loading Screen
   =================================== */

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--darker-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.cyber-loader {
    width: 60px;
    height: 60px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loader p {
    color: var(--text-secondary);
    font-size: 14px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===================================
   Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(10, 14, 39, 0.98);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo i {
    color: var(--primary-color);
    font-size: 28px;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    transition: var(--transition);
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 255, 204, 0.15) 0%, transparent 50%);
    animation: backgroundShift 10s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.profile-image-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
    animation: profileFloat 3s ease-in-out infinite;
}

.profile-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: ringPulse 2s ease-in-out infinite;
}

@keyframes profileFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes ringPulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.1; }
}

.hero-title {
    margin-bottom: 15px;
}

.greeting {
    display: block;
    font-size: 20px;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 10px;
}

.name {
    display: block;
    font-size: 56px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-weight: 500;
}

.hero-location {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 35px;
}

.hero-location i {
    color: var(--primary-color);
    margin-right: 8px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 15px;
}

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

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--darker-bg);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 12px 28px;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--darker-bg);
}

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

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 20px;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
    margin: 0 auto 10px;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: mouseScroll 1.5s infinite;
}

@keyframes mouseScroll {
    0% { top: 8px; opacity: 1; }
    100% { top: 20px; opacity: 0; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.scroll-indicator p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===================================
   Section Headers
   =================================== */

.section-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease-out;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* ===================================
   About Section
   =================================== */

.about {
    background: var(--darker-bg);
}

.about-content {
    display: grid;
    gap: 40px;
    animation: fadeInUp 0.8s ease-out;
}

.about-text {
    max-width: 900px;
    margin: 0 auto;
}

.about-summary {
    font-size: 20px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 40px;
    text-align: center;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.stat-item i {
    font-size: 36px;
    color: var(--primary-color);
}

.stat-content h3 {
    font-size: 28px;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.stat-content p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ===================================
   Education Section
   =================================== */

.education-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 25px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 70px;
    margin-bottom: 40px;
    animation: fadeInLeft 0.8s ease-out;
}

.timeline-dot {
    position: absolute;
    left: 16px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 0 4px var(--card-bg), 0 0 0 8px var(--border-color);
}

.timeline-content {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.timeline-header h3 {
    font-size: 22px;
    color: var(--text-primary);
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
}

.timeline-degree {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.timeline-location {
    color: var(--text-muted);
    font-size: 14px;
}

/* ===================================
   Skills Section
   =================================== */

.skills {
    background: var(--darker-bg);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 100px;
}

.skill-category {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
}

.skill-category:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.category-title i {
    color: var(--primary-color);
    font-size: 24px;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(0, 212, 255, 0.3);
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--primary-color);
    color: var(--darker-bg);
    transform: translateY(-2px);
}

.linkedin-sync-notice {
    text-align: center;
    padding: 20px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.linkedin-sync-notice i {
    color: var(--primary-color);
    margin-right: 10px;
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.linkedin-sync-notice p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===================================
   Certifications Section
   =================================== */

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

.cert-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
}

.cert-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.cert-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 20px;
}

.cert-icon i {
    font-size: 30px;
    color: var(--primary-color);
}

.cert-card h3 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.cert-card .cert-issuer {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 8px;
}

.cert-card .cert-date {
    color: var(--text-muted);
    font-size: 14px;
}

/* ===================================
   Experience Section
   =================================== */

.experience {
    background: var(--darker-bg);
}

.experience-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 25px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.exp-item {
    position: relative;
    padding-left: 70px;
    margin-bottom: 40px;
    animation: fadeInLeft 0.8s ease-out;
}

.exp-item .timeline-dot {
    position: absolute;
    left: 16px;
    top: 0;
}

/* ===================================
   Projects Section
   =================================== */

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

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out;
}

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

.project-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 153, 204, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image i {
    font-size: 60px;
    color: var(--primary-color);
}

.project-content {
    padding: 25px;
}

.project-content h3 {
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.project-tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

/* ===================================
   Empty State
   =================================== */

.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.empty-state i {
    font-size: 60px;
    color: var(--primary-color);
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 25px;
}

/* ===================================
   Contact Section
   =================================== */

.contact {
    background: var(--darker-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

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

.contact-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
    animation: fadeInLeft 0.8s ease-out;
}

.contact-card:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.contact-details h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.contact-details p,
.contact-details a {
    color: var(--text-secondary);
    font-size: 15px;
    text-decoration: none;
}

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

.contact-form-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    animation: fadeInRight 0.8s ease-out;
}

.contact-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 16px;
}

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

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--darker-bg);
    padding: 40px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.footer-logo i {
    color: var(--primary-color);
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 18px;
    transition: var(--transition);
    text-decoration: none;
}

.footer-social-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 5px;
}

.linkedin-sync-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.linkedin-sync-text i {
    color: var(--primary-color);
}

/* ===================================
   Back to Top Button
   =================================== */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

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

.back-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);
    }
}

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

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

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 30px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .name {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .section-title {
        font-size: 32px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .timeline-item,
    .exp-item {
        padding-left: 50px;
    }

    .education-timeline::before,
    .experience-timeline::before {
        left: 15px;
    }

    .timeline-dot {
        left: 6px;
    }
}

@media (max-width: 480px) {
    .name {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .profile-image-container {
        width: 150px;
        height: 150px;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}