* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    color: #ccd6f6;
    background: #0a192f;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    position: fixed;
    width: 100%;
    padding: 1rem 2rem;
    background: #0a192f;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
}

.nav-brand {
    font-size: 1.5rem;
    color: #64ffda;
}

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

.nav-links a {
    text-decoration: none;
    color: #8892b0;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #64ffda;
}

.nav-social {
    display: flex;
    gap: 1rem;
}

.nav-social a {
    color: #8892b0;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-social a:hover {
    color: #64ffda;
}

.nav-toggle {
    display: none;
    color: #64ffda;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
    position: relative;
}

.hero-content h1 {
    font-size: 1.2rem;
    color: #64ffda;
    margin-bottom: 1rem;
}

.hero-content h2 {
    font-size: 4rem;
    color: #ccd6f6;
    margin-bottom: 1rem;
}

.hero-content p:nth-child(3) {
    font-size: 2rem;
    color: #8892b0;
    margin-bottom: 1rem;
}

.hero-content p:nth-child(4) {
    max-width: 600px;
    color: #8892b0;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: inline-flex;
    gap: 1rem;
}

.cta-btn {
    padding: 0.8rem 2rem;
    border: 2px solid #64ffda;
    color: #64ffda;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s, color 0.3s;
}

.cta-btn:hover {
    background: #64ffda;
    color: #0a192f;
}

.cta-btn.secondary {
    background: transparent;
    color: #64ffda;
}

.scroll-down {
    position: absolute;
    bottom: 2rem;
    color: #8892b0;
    font-size: 0.9rem;
}

.scroll-down span {
    display: block;
    margin-top: 0.5rem;
    animation: bounce 2s infinite;
}

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

/* Sections */
.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    font-size: 2.5rem;
    color: #ccd6f6;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    width: 50px;
    height: 2px;
    background: #64ffda;
    position: absolute;
    bottom: -5px;
    left: 0;
}

.section-subtitle {
    color: #8892b0;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Animations */
.animate-text {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.delay-1 { animation-delay: 0.5s; }
.delay-2 { animation-delay: 1s; }
.delay-3 { animation-delay: 1.5s; }
.delay-4 { animation-delay: 2s; }

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* About Section */
.about-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.about-text {
    flex: 1;
    color: #ccd6f6;
}

.about-text p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.resume-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 2px solid #64ffda;
    color: #64ffda;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 1rem;
    transition: background 0.3s, color 0.3s;
}

.resume-btn:hover {
    background: #64ffda;
    color: #0a192f;
}

.about-image {
    flex: 0 0 300px;
    background: #112240;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.about-image img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 1rem;
    object-fit: cover;
}

.about-image h3 {
    color: #64ffda;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.about-image p {
    color: #8892b0;
    font-size: 1rem;
}

/* Projects */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: #112240;
    border: none;
    color: #8892b0;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: #64ffda;
    color: #0a192f;
}

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

.project-card {
    background: #112240;
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid rgba(100, 255, 218, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card h3 {
    color: #64ffda;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-card p {
    color: #8892b0;
    margin-bottom: 1rem;
}

.project-tags {
    display: grid;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tags span {
    background: #0a192f;
    padding: 0.3rem 0.8rem;
    border-radius: 5px;
    font-size: 0.9rem;
    color: #ccd6f6;
}

.project-link {
    color: #64ffda;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.project-link::after {
    content: '→';
}

.view-all-btn {
    display: block;
    text-align: center;
    margin-top: 2rem;
    padding: 0.8rem 2rem;
    border: 2px solid #64ffda;
    color: #64ffda;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s, color 0.3s;
}

.view-all-btn:hover {
    background: #64ffda;
    color: #0a192f;
}

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

.skill-category h3 {
    color: #ccd6f6;
    margin-bottom: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.skill-item span:first-child {
    flex: 0 0 100px;
    color: #8892b0;
}

.skill-bar {
    flex: 1;
    background: #0a192f;
    height: 8px;
    border-radius: 5px;
    overflow: hidden;
}

.skill-bar div {
    background: #64ffda;
    height: 100%;
    transition: width 1s ease;
}

.skill-item span:last-child {
    color: #8892b0;
}

.other-skills h3 {
    color: #ccd6f6;
    margin-bottom: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tags span {
    background: #112240;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    color: #ccd6f6;
    font-size: 0.9rem;
}

/* Experience */
.exp-timeline {
    position: relative;
    padding: 0;
    max-width: 1000px;
    margin: 0 auto;
}

.exp-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: #64ffda;
    opacity: 0.3;
}

.exp-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start;
}

.exp-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 12px;
    height: 12px;
    background: #64ffda;
    border-radius: 50%;
    transform: translateX(-5px);
}

.exp-company {
    flex: 0 0 150px;
    color: #64ffda;
    font-size: 1.2rem;
    font-weight: bold;
    text-transform: uppercase;
}

.exp-details {
    flex: 1;
    background: #112240;
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(100, 255, 218, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.exp-details:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 15px rgba(100, 255, 218, 0.2);
}

.exp-details h3 {
    color: #ccd6f6;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.exp-meta {
    color: #8892b0;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-style: italic;
}

.exp-details ul {
    list-style: none;
}

.exp-details li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: #ccd6f6;
    line-height: 1.6;
}

.exp-details li::before {
    content: '•';
    color: #64ffda;
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .exp-timeline::before {
        left: 0;
    }

    .exp-item {
        flex-direction: column;
        padding-left: 2rem;
        gap: 0.5rem;
    }

    .exp-item::before {
        left: 0;
    }

    .exp-company {
        flex: 1;
        font-size: 1rem;
    }

    .exp-details {
        width: 100%;
        padding: 1rem;
    }

    .exp-details h3 {
        font-size: 1.3rem;
    }

    .exp-meta {
        font-size: 0.8rem;
    }

    .exp-details li {
        font-size: 0.9rem;
        padding-left: 1.2rem;
    }
}

@media (max-width: 480px) {
    .exp-timeline {
        padding: 0;
    }

    .exp-item {
        padding-left: 1.5rem;
    }

    .exp-item::before {
        width: 10px;
        height: 10px;
        transform: translateX(-4px);
    }

    .exp-company {
        font-size: 0.9rem;
    }

    .exp-details {
        padding: 0.8rem;
    }

    .exp-details h3 {
        font-size: 1.1rem;
    }

    .exp-meta {
        font-size: 0.7rem;
    }

    .exp-details li {
        font-size: 0.8rem;
        margin-bottom: 0.5rem;
    }
}
/* Certificates */
.cert-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.cert-card {
    background: #112240;
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid rgba(100, 255, 218, 0.2);
    width: 100%;
    max-width: 600px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 15px rgba(100, 255, 218, 0.2);
}

.cert-card h3 {
    color: #64ffda;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.cert-meta {
    color: #8892b0;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-style: italic;
}

.cert-card p {
    color: #ccd6f6;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.cert-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.cert-skills span {
    background: #0a192f;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 0.9rem;
    color: #ccd6f6;
}

.cert-link {
    display: inline-block;
    color: #64ffda;
    text-decoration: none;
    border: 1px solid #64ffda;
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    transition: background 0.3s, color 0.3s;
}

.cert-link:hover {
    background: #64ffda;
    color: #0a192f;
}

.cert-nav {
    text-align: center;
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.cert-nav span {
    color: #8892b0;
    font-size: 1rem;
}

.nav-arrow {
    background: none;
    border: none;
    color: #64ffda;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.nav-arrow:hover {
    opacity: 1;
}

.cert-dots {
    text-align: center;
    margin-top: 1rem;
}

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #8892b0;
    border-radius: 50%;
    margin: 0 0.3rem;
    transition: background 0.3s;
}

.dot.active {
    background: #64ffda;
}

/* Contact */
.contact-container {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}

.contact-info {
    flex: 1;
    background: #112240;
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.contact-info h3 {
    color: #ccd6f6;
    margin-bottom: 1rem;
}

.contact-info p {
    color: #8892b0;
    margin-bottom: 0.5rem;
}

.contact-info p span {
    margin-right: 0.5rem;
}

.contact-social {
    margin-top: 1rem;
}

.contact-social h4 {
    color: #ccd6f6;
    margin-bottom: 0.5rem;
}

.contact-social a {
    color: #8892b0;
    text-decoration: none;
    margin-right: 1rem;
    transition: color 0.3s;
}

.contact-social a:hover {
    color: #64ffda;
}

.contact-form {
    flex: 1;
    background: #112240;
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.contact-form h3 {
    color: #ccd6f6;
    margin-bottom: 1rem;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    background: #0a192f;
    border: 1px solid #64ffda;
    border-radius: 5px;
    color: #ccd6f6;
    width: 100%;
}

.contact-form textarea {
    min-height: 150px;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 2rem;
    background: #0a192f;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

.footer-content h3 {
    color: #64ffda;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-content p {
    color: #8892b0;
    margin-bottom: 0.5rem;
}

.footer-content p:last-child {
    color: #64ffda;
}

.footer-social {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.footer-social a {
    color: #8892b0;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: #64ffda;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #0a192f;
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .nav-social {
        display: none;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .hero-content p:nth-child(3) {
        font-size: 1.5rem;
    }

    .about-container,
    .contact-container {
        flex-direction: column;
    }

    .about-image {
        flex: 0 0 auto;
        max-width: 300px;
        margin: 0 auto;
    }

    .project-filters {
        flex-wrap: wrap;
    }

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

    .form-row {
        flex-direction: column;
    }
}