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

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f5576c;
    --text-color: #333;
    --light-text: #666;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --border-radius: 10px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(30px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

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

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.8);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.profile-image-hero {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.profile-pic {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 5px solid var(--white);
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.8s ease-out, pulse 2s ease-in-out infinite;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: slideUp 0.8s ease-out;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    animation: slideUp 0.8s ease-out 0.1s both;
}

.tagline {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: slideUp 0.8s ease-out 0.2s both;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    animation: pulse 0.6s ease-in-out;
}

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

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

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-links a:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-5px) scale(1.2) rotate(5deg);
    animation: bounce 0.6s ease-in-out;
}

/* Sections */
section {
    padding: 80px 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -50px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
    z-index: 0;
    pointer-events: none;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 0.8s ease-out;
    position: relative;
    z-index: 1;
}

/* About Section */
.about {
    background: var(--bg-color);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--light-text);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* Skills Section */
.skills {
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.decoration-waves {
    margin: -2rem 0 2rem 0;
    opacity: 0.5;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: var(--bg-color);
    color: var(--text-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
    border: 2px solid transparent;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 15px rgba(102, 126, 234, 0.3);
    animation: glow 0.6s ease-in-out;
}

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

.opportunities-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.opportunity-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
}

.opportunity-card:nth-child(1) {
    animation-delay: 0.1s;
}

.opportunity-card:nth-child(2) {
    animation-delay: 0.2s;
}

.opportunity-card:nth-child(3) {
    animation-delay: 0.3s;
}

.opportunity-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
    border-top-color: var(--secondary-color);
}

.opportunity-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: inline-block;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}

.opportunity-card h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.opportunity-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.opportunity-list {
    list-style: none;
    color: var(--light-text);
}

.opportunity-list li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.opportunity-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.opportunity-call {
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    animation: slideUp 0.8s ease-out 0.4s both;
}

/* Projects Section */
.projects {
    background: var(--white);
    position: relative;
}

.add-project-form {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 2px solid rgba(102, 126, 234, 0.2);
    margin-bottom: 3rem;
    animation: slideUp 0.8s ease-out;
}

.add-project-form h3 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.add-project-form form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.add-project-form .form-group {
    width: 100%;
}

.add-project-form input,
.add-project-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.add-project-form input:focus,
.add-project-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

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

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    color: var(--text-color);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.project-content p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.project-tags span {
    background: var(--bg-color);
    color: var(--primary-color);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
}

.project-actions {
    display: flex;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--bg-color);
}

.project-actions a,
.project-actions button {
    flex: 1;
    padding: 10px 15px;
    text-align: center;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    background: var(--bg-color);
    padding: 8px 15px;
    border-radius: 5px;
}

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

.delete-btn {
    background: #ff6b6b;
    color: white;
    padding: 8px 15px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.delete-btn:hover {
    background: #ff5252;
    transform: scale(1.05);
}

.no-projects {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--light-text);
    font-size: 1.1rem;
}

/* Contact Section */
.contact {
    background: var(--bg-color);
}

.contact-intro {
    text-align: center;
    color: var(--light-text);
    margin-bottom: 3rem;
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
}

.info-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    min-width: 40px;
    text-align: center;
}

.info-item h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    width: 100%;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--bg-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    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(102, 126, 234, 0.1);
}

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

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .profile-pic {
        width: 150px;
        height: 150px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .section-title {
        font-size: 2rem;
    }

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

    .timeline::before {
        left: -20px;
        transform: translateX(-6px);
    }

    .timeline-item {
        padding-left: 30px;
    }

    .footer .container {
        flex-direction: column;
    }

    .skill-items {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero::before {
        width: 250px;
        height: 250px;
    }

    .hero::after {
        width: 200px;
        height: 200px;
    }
}