.about-image {
    width: 100%;
    max-width: 300px;
    margin-right: 50px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.profile-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-medium);
}

.profile-image:hover {
    transform: scale(1.02);
}

/* General Styles */
:root {
    --dark-brown: #58463d;
    --medium-gray: #8c8279;
    --light-gray: #d1ccc6;
    --off-white: #f5f2f0;
    --soft-peach: #deb1a7;
    --text-dark: #463730;
    --text-medium: #8c8279;
    --text-light: #d1ccc6;
    --accent: #deb1a7;
    --gradient-primary: linear-gradient(to right, var(--dark-brown), var(--soft-peach));
    --gradient-secondary: linear-gradient(to right, var(--medium-gray), var(--soft-peach));
    
    /* Animation Variables */
    --transition-slow: 0.5s ease;
    --transition-medium: 0.3s ease;
    --transition-fast: 0.2s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--off-white);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    color: var(--dark-brown);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 4px;
    background: var(--gradient-primary);
    transition: width 0.6s ease 0.2s;
}

.section-title.visible::after {
    width: 80px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

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

.btn:hover::after {
    height: 100%;
}

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

.primary-btn:hover {
    background: var(--dark-brown);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.secondary-btn:hover {
    background: rgba(70, 55, 48, 0.1);
    transform: translateY(-3px);
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    box-shadow: none;
    z-index: 1000;
    padding: 15px 0;
    transition: background-color 0.3s ease;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    position: relative;
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.logo::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -5px;
    left: 0;
    background: var(--gradient-primary);
    transition: width var(--transition-medium);
}

.logo:hover::after {
    width: 100%;
}

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

.nav-links li {
    margin-left: 30px;
    opacity: 0;
    animation: fadeInDown 0.5s ease forwards;
}

.nav-links li:nth-child(1) { animation-delay: 0.1s; }
.nav-links li:nth-child(2) { animation-delay: 0.2s; }
.nav-links li:nth-child(3) { animation-delay: 0.3s; }
.nav-links li:nth-child(4) { animation-delay: 0.4s; }
.nav-links li:nth-child(5) { animation-delay: 0.5s; }
.nav-links li:nth-child(6) { animation-delay: 0.6s; }
.nav-links li:nth-child(7) { animation-delay: 0.7s; }
.nav-links li:nth-child(8) { animation-delay: 0.8s; }
.nav-links li:nth-child(9) { animation-delay: 0.9s; }

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-links a {
    text-decoration: none;
    color: white;
    font-weight: 600;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--soft-peach);
    transition: width var(--transition-medium);
}

.nav-links a:hover {
    color: var(--soft-peach);
}

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

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

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px 0;
    transition: all 0.3s ease;
    box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('imgs/images.webp') center/cover no-repeat;
    z-index: -1;
    opacity: 1;
}

@keyframes subtle-float {
    0% { transform: scale(1) rotate3d(1, 1, 1, 0deg); }
    100% { transform: scale(1.05) rotate3d(1, 1, 1, 3deg); }
}

.hero-content {
    max-width: 700px;
    animation: fadeInUp 1s ease-out forwards;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 30px;
    border-radius: 50px;
    backdrop-filter: blur(1px);
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
    opacity: 0;
    animation: fadeInLeft 0.8s ease-out 0.3s forwards;
}

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

.hero h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
    opacity: 0;
    animation: fadeInLeft 0.8s ease-out 0.5s forwards;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
    opacity: 0;
    animation: fadeInLeft 0.8s ease-out 0.7s forwards;
}

.highlight {
    color: var(--soft-peach);
}

.cta-buttons {
    margin-bottom: 30px;
}

.cta-buttons .btn {
    margin-right: 15px;
    opacity: 0;
}

.float-in {
    animation: floatIn 0.6s ease-out forwards;
}

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-gray);
    color: var(--dark-brown);
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-icons a:hover {
    background-color: var(--soft-peach);
    color: white;
    transform: translateY(-3px);
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.about-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-image {
    flex: 1;
    transform: translateX(-20px);
    opacity: 0;
    transition: transform var(--transition-slow) 0.2s, opacity var(--transition-slow) 0.2s;
}

.about-content.visible .about-image {
    transform: translateX(0);
    opacity: 1;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-medium);
    border-radius: 10px;
    transition: transform var(--transition-medium);
}

.about-text {
    flex: 1.5;
    transform: translateX(20px);
    opacity: 0;
    transition: transform var(--transition-slow) 0.4s, opacity var(--transition-slow) 0.4s;
}

.about-content.visible .about-text {
    transform: translateX(0);
    opacity: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-medium);
}

/* Skills Section */
.skills-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-category {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.skill-category.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--soft-peach);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.skill-item span {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-dark);
}

.skill-bar {
    height: 10px;
    background-color: var(--light-gray);
    border-radius: 5px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 5px;
    width: 0 !important;
    transition: width 1s ease-in-out;
}

.skill-category.visible .skill-progress {
    width: var(--width) !important;
}

/* Projects Section */
.project-filters {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 8px 20px;
    background-color: var(--light-gray);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-dark);
}

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

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

.project-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    opacity: 0;
    transform: translateY(30px);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.project-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-brown);
}

.project-info p {
    color: var(--text-medium);
    margin-bottom: 15px;
}

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

.project-tags span {
    background-color: var(--light-gray);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-dark);
}

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

.project-links a {
    text-decoration: none;
    color: var(--soft-peach);
    font-weight: 500;
    transition: color 0.3s ease;
}

.project-links a:hover {
    color: var(--dark-brown);
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    height: 250px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium), box-shadow var(--transition-medium);
}

.gallery-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    background: linear-gradient(to top, rgba(70, 55, 48, 0.8), transparent);
    color: white;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

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

.gallery-overlay h3 {
    margin: 0;
    font-size: 1.2rem;
}

/* Animation for gallery items */
.gallery-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.gallery-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Education and Experience Sections */
.education, .experience {
    background-color: var(--off-white);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    width: 20px;
    height: 20px;
    background: var(--soft-peach);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 1;
    box-shadow: 0 0 0 4px var(--off-white), 0 0 0 6px var(--dark-brown);
}

.timeline-content {
    position: relative;
    width: calc(50% - 40px);
    padding: 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-medium);
}

.timeline-content:hover {
    transform: translateY(-5px);
}

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

.timeline-item:nth-child(even) .timeline-content {
    left: calc(50% + 40px);
}

.timeline-content h3 {
    font-size: 1.4rem;
    color: var(--dark-brown);
    margin-bottom: 5px;
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--medium-gray);
    margin-bottom: 10px;
}

.timeline-date {
    font-weight: 600;
    color: var(--soft-peach);
    margin-bottom: 15px;
}

/* Publications Section */
.publications {
    background-color: white;
}

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

.publication-card {
    background: var(--off-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-medium);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.publication-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.publication-card:hover {
    transform: translateY(-10px);
}

.publication-info {
    padding: 25px;
}

.publication-info h3 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    margin-bottom: 10px;
}

.publication-authors {
    font-style: italic;
    color: var(--medium-gray);
    margin-bottom: 5px;
}

.publication-journal {
    font-weight: 600;
    color: var(--soft-peach);
    margin-bottom: 15px;
}

/* Extra Curricular Activities Section */
.extracurricular {
    background-color: var(--off-white);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.activity-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform var(--transition-medium);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.activity-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.activity-card:hover {
    transform: translateY(-10px);
}

.activity-icon {
    font-size: 2.5rem;
    color: var(--soft-peach);
    margin-bottom: 20px;
}

.activity-info h3 {
    font-size: 1.3rem;
    color: var(--dark-brown);
    margin-bottom: 10px;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.contact-content.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.contact-content.visible .contact-item:nth-child(1) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.1s;
}

.contact-content.visible .contact-item:nth-child(2) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.2s;
}

.contact-content.visible .contact-item:nth-child(3) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.3s;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--soft-peach);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-medium), transform var(--transition-fast), box-shadow var(--transition-medium);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--soft-peach);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(222, 177, 167, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form .form-group {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.contact-content.visible .form-group:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.contact-content.visible .form-group:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.contact-content.visible .form-group:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.contact-content.visible .form-group:nth-child(4) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}

.contact-form button {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
    transition-delay: 0.6s;
}

.contact-content.visible .contact-form button {
    opacity: 1;
    transform: translateY(0);
}

/* Form Status Messages */
.form-status {
    margin-top: 15px;
    padding: 10px 15px;
    border-radius: 5px;
}

footer {
    background-color: var(--dark-brown);
    color: white;
    padding: 20px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    animation: slideRight 2s ease-in-out forwards;
}

@keyframes slideRight {
    to { left: 0; }
}