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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: #0a0a0a;
}

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

/* Floating Background Elements */
.floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 20%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 60%;
    left: 5%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    right: 20%;
    animation-delay: 1s;
}

.shape-5 {
    width: 140px;
    height: 140px;
    bottom: 10%;
    left: 20%;
    animation-delay: 3s;
}

.shape-6 {
    width: 90px;
    height: 90px;
    top: 40%;
    right: 30%;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) rotate(120deg);
    }
    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-text {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    color: #fff;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.title-line {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: #ccc;
    animation: fadeInUp 1s ease 0.2s both;
}

.title-name {
    display: block;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease 0.4s both;
}

.title-role {
    display: block;
    font-size: 2rem;
    color: #fff;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-description {
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 40px;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.8s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1s ease 1s both;
}

.btn {
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: #fff;
    transform: translateY(-3px);
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInRight 1s ease 0.5s both;
}

.image-container {
    position: relative;
    width: 350px;
    height: 350px;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid rgba(102, 126, 234, 0.3);
    animation: profileFloat 6s ease-in-out infinite;
}

.image-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.3;
    animation: glow 3s ease-in-out infinite alternate;
}

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

@keyframes glow {
    0% { opacity: 0.3; transform: scale(1); }
    100% { opacity: 0.6; transform: scale(1.05); }
}

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

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid #667eea;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

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

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #ccc;
}

/* About Section */
.about {
    background: #111;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text {
    color: #fff;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #667eea;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #ccc;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateY(-5px);
}

.skill-item i {
    font-size: 24px;
    color: #667eea;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
}

.stat-label {
    color: #ccc;
    font-weight: 500;
}

/* Projects Section */
.projects {
    background: #0a0a0a;
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    background: transparent;
    color: #ccc;
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: #667eea;
    color: #fff;
    border-color: #667eea;
}

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

.project-card {
    background: #111;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.project-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: auto; /* ✅ allow all interaction */
    z-index: 1;
}


.project-card:hover .project-overlay {
    opacity: 1;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-links {
    display: flex;
    gap: 20px;
    pointer-events: auto;  /* But enable clicks on the link container */
  position: relative;    /* Ensure links are on top */
  z-index: 2;
}

.project-link {
    width: 50px;
    height: 50px;
    background: #667eea;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.project-link:hover {
    background: #764ba2;
    transform: scale(1.1);
}

.project-link[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
}

.project-info {
    padding: 25px;
    color: #fff;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #667eea;
}

.project-info p {
    color: #ccc;
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tech-tag {
    padding: 5px 12px;
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

/* Skills Section */
.skills {
    background: #111;
}

.skills-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.skills-category-title {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    color: #667eea;
    margin-bottom: 40px;
}

.skills-category-title i {
    font-size: 1.8rem;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.skill-item-detailed {
    background: rgba(102, 126, 234, 0.1);
    padding: 20px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.skill-item-detailed:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateY(-5px);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.skill-name {
    font-weight: 600;
    color: #fff;
}

.skill-level {
    font-size: 0.9rem;
    color: #667eea;
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 4px;
    width: 0;
    transition: width 1s ease;
}

/* Certificates Section */
.certificates-section {
    margin: 80px 0 60px;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.certificate-card {
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.certificate-card:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateY(-5px);
    border-color: #667eea;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.cert-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    flex-shrink: 0;
}

.cert-info {
    flex: 1;
    color: #fff;
}

.cert-info h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: #667eea;
}

.cert-info p {
    color: #ccc;
    margin-bottom: 5px;
}

.cert-date {
    color: #999;
    font-size: 0.9rem;
}

.cert-badge {
    width: 40px;
    height: 40px;
    background: rgba(102, 126, 234, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    transition: all 0.3s ease;
}

.certificate-card:hover .cert-badge {
    background: #667eea;
    color: #fff;
    transform: scale(1.1);
}



/* Education Section */
.education {
    background: #0a0a0a;
}

.education-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.education-column-title {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    color: #667eea;
    margin-bottom: 40px;
}

.education-column-title i {
    font-size: 1.8rem;
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #667eea, #764ba2);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 40px;
}

.timeline-marker {
    position: absolute;
    left: -47px;
    top: 0;
    width: 15px;
    height: 15px;
    background: #667eea;
    border-radius: 50%;
    border: 3px solid #0a0a0a;
}

.timeline-content h4 {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 5px;
}

.timeline-period {
    color: #667eea;
    font-weight: 600;
    font-size: 0.9rem;
}

.timeline-company {
    color: #ccc;
    font-style: italic;
    display: block;
    margin-bottom: 10px;
}

.timeline-content p {
    color: #ccc;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: #111;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    color: #fff;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #667eea;
}

.contact-info p {
    font-size: 1.1rem;
    color: #ccc;
    margin-bottom: 40px;
}

.contact-items {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}

.contact-details h4 {
    color: #667eea;
    margin-bottom: 5px;
}

.contact-details p {
    color: #ccc;
    margin: 0;
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 18px;
}

.social-link:hover {
    background: #667eea;
    color: #fff;
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    background: #0a0a0a;
    padding: 40px;
    border-radius: 15px;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(102, 126, 234, 0.1);
    border: 2px solid transparent;
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.2);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: #ccc;
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:valid + label,
.form-group textarea:valid + label {
    top: -10px;
    left: 10px;
    font-size: 12px;
    color: #667eea;
    background: #0a0a0a;
    padding: 0 5px;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
    position: relative;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-loading {
    display: none;
}

.contact-form .btn.loading .btn-text {
    display: none;
}

.contact-form .btn.loading .btn-loading {
    display: block;
}

/* Footer */
.footer {
    background: #0a0a0a;
    padding: 40px 0;
    text-align: center;
    color: #ccc;
    border-top: 1px solid rgba(102, 126, 234, 0.1);
}

.footer-content p {
    margin-bottom: 10px;
}

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

.modal.show {
    display: flex;
}

.modal-content {
    background: #111;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    color: #fff;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-icon {
    font-size: 4rem;
    color: #27ae60;
    margin-bottom: 20px;
}

.modal-content h3 {
    margin-bottom: 15px;
    color: #667eea;
}

.modal-content p {
    margin-bottom: 30px;
    color: #ccc;
}

/* Certificate Modal */
.certificate-modal-content {
    max-width: 900px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.3);
}

.close-btn {
    background: none;
    border: none;
    color: #ccc;
    font-size: 24px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: #667eea;
}

.certificate-display {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.certificate-image {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    color: #fff;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.certificate-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="cert-pattern" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23cert-pattern)"/></svg>');
    opacity: 0.3;
}

.cert-logo {
    font-size: 4rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.cert-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.cert-issuer {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.cert-year {
    font-size: 1rem;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

.certificate-details {
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    padding: 30px;
    color: #fff;
}

.cert-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: #ccc;
}

.cert-skills {
    margin-bottom: 25px;
}

.cert-skills h4 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background: rgba(102, 126, 234, 0.3);
    color: #667eea;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.cert-verification {
    background: rgba(39, 174, 96, 0.2);
    border: 2px solid #27ae60;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.verification-icon {
    color: #27ae60;
    font-size: 2rem;
    margin-bottom: 10px;
}

.verification-text {
    color: #27ae60;
    font-weight: 600;
    margin-bottom: 10px;
}

.verification-id {
    color: #ccc;
    font-size: 0.9rem;
    font-family: monospace;
}



/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        justify-content: start;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .education-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .resume-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .resume-actions {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        position: static;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .project-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .certificate-display {
        grid-template-columns: 1fr;
    }
    
    .resume-profile {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .resume-contact {
        grid-template-columns: 1fr;
    }
    
    .skills-categories {
        grid-template-columns: 1fr;
    }
    
    .certifications-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .title-role {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .image-container {
        width: 250px;
        height: 250px;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .certificate-card {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .modal-content {
        padding: 20px;
    }
    
    .certificate-modal-content {
        padding: 20px;
        margin: 20px;
    }
    
    .resume-document {
        padding: 20px;
    }
    
    .resume-photo {
        width: 80px;
        height: 80px;
    }
    
    .resume-info h1 {
        font-size: 1.8rem;
    }
    
    .resume-actions {
        flex-direction: column;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}