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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #7c3aed;
    --accent-color: #06b6d4;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --text-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

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

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.section-line {
    height: 4px;
    width: 70px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    margin: 0 auto;
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: #09F;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo a {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    align-items: center;
}

.logo-text {
    color: var(--primary-color);
    margin-right: 5px;
}

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

.nav-item {
    margin-left: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

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

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

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

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2069&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 0;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.hero-title .highlight {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.profile-image-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morphing 10s infinite;
    box-shadow: var(--shadow);
}

.image-border {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--primary-color);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    z-index: -1;
    animation: morphing2 15s infinite;
}

@keyframes morphing {
    0% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
    25% {
        border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
    }
    50% {
        border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
    }
    75% {
        border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
    }
    100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
}

@keyframes morphing2 {
    0% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
    25% {
        border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
    }
    50% {
        border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
    }
    75% {
        border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
    }
    100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
}

.typewriter-text {
    overflow: hidden;
    border-right: 3px solid var(--primary-color);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

.typewriter-text-2 {
    overflow: hidden;
    border-right: 3px solid var(--primary-color);
    white-space: nowrap;
    animation: typing 4s steps(50, end) 3.5s, blink-caret 0.75s step-end infinite;
    animation-fill-mode: both;
}

.typewriter-text-3 {
    display: inline-block;
    overflow: hidden;
    border-right: 3px solid transparent;
    white-space: normal;
    animation: typing-paragraph 6s steps(100, end) 7.5s;
    animation-fill-mode: both;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes typing-paragraph {
    0% { width: 0; opacity: 0; }
    10% { opacity: 1; }
    100% { width: 100%; opacity: 1; }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--primary-color) }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    margin: 0 auto 10px;
}

.wheel {
    width: 6px;
    height: 10px;
    background-color: var(--primary-color);
    border-radius: 3px;
    margin-top: 10px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(20px);
        opacity: 0;
    }
}

.arrow span {
    display: block;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--primary-color);
    border-right: 2px solid var(--primary-color);
    transform: rotate(45deg);
    margin: -5px;
    animation: arrow 2s infinite;
}

.arrow span:nth-child(2) {
    animation-delay: -0.2s;
}

.arrow span:nth-child(3) {
    animation-delay: -0.4s;
}

@keyframes arrow {
    0% {
        opacity: 0;
        transform: rotate(45deg) translate(-10px, -10px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: rotate(45deg) translate(10px, 10px);
    }
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.skills {
    margin-top: 40px;
}

.skill-item {
    margin-bottom: 25px;
}

.skill-item h4 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.skill-bar {
    height: 10px;
    background-color: #e5e7eb;
    border-radius: 5px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
    transition: width 1.5s ease;
}

.skill-item span {
    position: absolute;
    right: 0;
    top: -25px;
    font-weight: 600;
    color: var(--primary-color);
}

.about-image {
    flex: 1;
}

.about-image-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-image-container img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.about-image-container:hover img {
    transform: scale(1.05);
}

/* Experience Section */
.experience {
    background-color: var(--bg-light);
}

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

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    border-radius: 2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    margin-bottom: 40px;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-date {
    padding: 8px 20px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 15px;
}

.timeline-content {
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    position: relative;
}

.timeline-content::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: white;
    transform: rotate(45deg);
    top: 15px;
}

.timeline-item:nth-child(odd) .timeline-content::after {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-content::after {
    left: -10px;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.timeline-content h4 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 500;
}

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

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border: 4px solid white;
    border-radius: 50%;
    top: 15px;
    z-index: 1;
}

.timeline-item:nth-child(odd)::after {
    right: -10px;
}

.timeline-item:nth-child(even)::after {
    left: -10px;
}

/* Degrees Section */
.degrees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.degree-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-align: center;
    cursor: pointer;
}

.degree-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.degree-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.degree-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.degree-card h4 {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 10px;
    font-weight: 500;
}

.degree-year {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.degree-hover {
    background-color: var(--primary-color);
    color: white;
    padding: 10px;
    border-radius: 5px;
    font-weight: 500;
    opacity: 0;
    transition: var(--transition);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(100%);
}

.degree-card:hover .degree-hover {
    opacity: 1;
    transform: translateY(0);
}

.degree-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.degree-popup.active {
    display: flex;
}

.degree-popup-content {
    background-color: white;
    width: 90%;
    max-width: 800px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    animation: popupShow 0.3s ease;
}

@keyframes popupShow {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.degree-popup-content img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.degree-popup-text {
    padding: 30px;
}

.close-popup {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    color: white;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.close-popup:hover {
    color: var(--primary-color);
}

/* Portfolio Section */
.portfolio {
    background-color: var(--bg-light);
}

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

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

.portfolio-item:hover {
    transform: translateY(-10px);
}

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

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

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-text h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.portfolio-text p {
    color: rgba(255, 255, 255, 0.8);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    height: 400px;
    perspective: 1000px;
}

.project-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    box-shadow: var(--shadow);
    border-radius: 10px;
}

.project-card.flipped .project-card-inner {
    transform: rotateY(180deg);
}

.project-card-front, .project-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 10px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.project-card-front {
    background-color: white;
    color: var(--text-dark);
}

.project-card-back {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: rotateY(180deg);
    justify-content: space-between;
}

.project-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.project-card-front h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.project-card-front p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.project-tech {
    background-color: var(--bg-light);
    padding: 8px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.project-card-back h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.project-card-back p {
    margin-bottom: 30px;
    line-height: 1.8;
}

.project-links {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.project-link {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-link:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.flip-btn {
    background-color: white;
    color: var(--primary-color);
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.flip-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Videos Section */
.videos {
    background-color: var(--bg-light);
}

.video-categories {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.video-category-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-dark);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.video-row {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding-bottom: 20px;
}

.video-row::-webkit-scrollbar {
    height: 8px;
}

.video-row::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.video-row::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.video-item {
    min-width: 300px;
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.video-item:hover {
    transform: translateY(-5px);
}

.video-thumbnail {
    position: relative;
    height: 180px;
    overflow: hidden;
}

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

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.play-button:hover {
    background-color: white;
    transform: translate(-50%, -50%) scale(1.1);
}

.play-button i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-left: 5px;
}

.video-item h4 {
    padding: 20px;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 3000;
    justify-content: center;
    align-items: center;
}

.video-modal.active {
    display: flex;
}

.video-modal-content {
    width: 90%;
    max-width: 1000px;
    position: relative;
}

#videoPlayer {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    position: relative;
}

#videoPlayer iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

.close-modal {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 2.5rem;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--primary-color);
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: 60px;
}

.contact-info {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-icon i {
    color: white;
    font-size: 1.2rem;
}

.contact-text h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.social-link {
    width: 50px;
    height: 50px;
    background-color: var(--bg-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-dark);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    text-align: center;
}

.footer-logo a {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    text-decoration: none;
    color: white;
    display: inline-block;
    margin-bottom: 20px;
}

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

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.footer-text i {
    color: #e53e3e;
    margin: 0 5px;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        margin-bottom: 60px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-item::after {
        left: 20px;
    }
    
    .timeline-item:nth-child(odd)::after,
    .timeline-item:nth-child(even)::after {
        left: 20px;
    }
    
    .timeline-content::after {
        left: -10px !important;
    }
    
    .contact-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 15px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .profile-image-container {
        width: 300px;
        height: 300px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .portfolio-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        margin-bottom: 10px;
    }
    
    .video-row {
        flex-direction: column;
    }
    
    .video-item {
        min-width: 100%;
    }
}