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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    position: relative;
}

body {
    font-family: var(--font-primary);
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

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

section {
    padding: var(--section-padding) 0;
    position: relative;
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.section-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    text-align: center;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(67, 97, 238, 0.4);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.dark-theme .header {
    background: rgba(30, 30, 30, 0.9);
}

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

.logo {
    font-family: var(--font-secondary);
    font-weight: 800;
    font-size: 1.8rem;
    color: var(--primary);
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
    position: relative;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

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

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

.theme-toggle {
    cursor: pointer;
    font-size: 1.2rem;
    margin-left: 30px;
    color: var(--dark);
    position: relative;
    z-index: 1001;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s, color 0.3s;
}
.theme-toggle:hover, .theme-toggle:focus {
  background: var(--secondary);
  color: #fff;
}
.dark-theme .theme-toggle {
  background: var(--secondary);
  color: #fff;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

.dark-theme .mobile-menu {
    color: var(--light);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--primary);
    position: relative;
}

.hero h1 span::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 0;
    width: 100%;
    height: 10px;
    background: rgba(67, 97, 238, 0.2);
    z-index: -1;
}



.typewriter h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark);
    display: inline-block;
}

.dark-theme .typewriter h2 {
    color: var(--light);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--gray);
}

.hero-btns {
    display: flex;
    gap: 15px;
}

.hero-image {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 40%;
    max-width: 500px;
}

.glowing-border {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.5);
}

.glowing-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    z-index: -1;
    border-radius: var(--radius);
    animation: glowing 3s linear infinite;
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--dark);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 5px;
}

.dark-theme .mouse {
    border-color: var(--light);
}

.mouse::before {
    content: '';
    width: 5px;
    height: 8px;
    background: var(--dark);
    border-radius: 3px;
    animation: scroll 2s infinite;
}

.dark-theme .mouse::before {
    background: var(--light);
}

.arrow {
    width: 15px;
    height: 15px;
    border-right: 2px solid var(--dark);
    border-bottom: 2px solid var(--dark);
    transform: rotate(45deg);
    margin-top: -5px;
    animation: bounce 2s infinite;
}

.dark-theme .arrow {
    border-color: var(--light);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

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

.dark-theme .about-text h3 {
    color: var(--light);
}

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

.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--light-gray);
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.about-image {
    position: relative;
    height: 100%;
}

.floating-shapes {
    position: relative;
    height: 100%;
}

.floating-shapes img {
    border-radius: var(--radius);
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-lg);
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    z-index: 1;
}

.shape-1 {
    width: 100px;
    height: 100px;
    background: var(--primary);
    top: -20px;
    left: -20px;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: var(--secondary);
    bottom: -30px;
    right: -30px;
    animation-delay: 0.5s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    background: var(--primary);
    bottom: 50px;
    left: 50px;
    animation-delay: 1s;
}

.shape-4 {
    width: 60px;
    height: 60px;
    background: var(--primary);
    bottom: 110px;
    left: 90px;
    animation-delay: 1s;
}

.shape-5 {
    width: 60px;
    height: 60px;
    background: var(--primary);
    bottom: 100px;
    right: 90px;
    animation-delay: 1s;
}

/* Education Section Styles */
.education-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px dashed var(--light-gray);
    transition: var(--transition);
}

.dark-theme .education-item {
    border-bottom-color: var(--dark-border);
}

.education-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.education-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.dark-theme .education-icon {
    background: rgba(67, 97, 238, 0.2);
}

.education-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.dark-theme .education-info h4 {
    color: var(--light);
}

.education-info .institution {
    display: block;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 5px;
}

.education-info .year {
    display: block;
    font-size: 0.9rem;
    color: var(--gray);
}

/* Tab Content Animation */
.tab-content {
    animation: fadeIn 0.5s ease;
}


/* Experience Section Styles */
.experience-item {
    display: flex;
    margin-bottom: 30px;
    position: relative;
    padding-left: 80px;
}

.experience-item:last-child {
    margin-bottom: 0;
}

.experience-date {
    position: absolute;
    left: 0;
    top: 0;
    width: 70px;
    text-align: center;
}

.experience-date .month {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary);
}

.experience-date .year {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
}

.dark-theme .experience-date .year {
    color: var(--light);
}

.experience-details {
    padding-left: 20px;
    border-left: 2px solid var(--primary);
    position: relative;
}

.experience-details::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 5px;
    width: 14px;
    height: 14px;
    background: var(--primary);
    border-radius: 50%;
}

.experience-details h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.dark-theme .experience-details h4 {
    color: var(--light);
}

.experience-details .company {
    display: block;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 10px;
}

.experience-description {
    padding-left: 20px;
}

.experience-description li {
    margin-bottom: 8px;
    color: var(--gray);
    position: relative;
}

.experience-description li::before {
    content: '•';
    position: absolute;
    left: -15px;
    color: var(--primary);
}

/* Certifications Section Styles */
.certification-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px dashed var(--light-gray);
}

.dark-theme .certification-item {
    border-bottom-color: var(--dark-border);
}

.certification-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.certification-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.dark-theme .certification-icon {
    background: rgba(67, 97, 238, 0.2);
}

.certification-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.dark-theme .certification-info h4 {
    color: var(--light);
}

.certification-info .date {
    display: block;
    font-size: 0.9rem;
    color: var(--gray);
}

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


/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.skill-category {
    background: var(--light-alt);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.dark-theme .skill-category {
    background: var(--dark-card);
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.skill-category h3 i {
    margin-right: 10px;
    color: var(--primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.skill-item {
    background: var(--light);
    padding: 15px;
    border-radius: var(--radius-sm);
    text-align: center;
    transition: var(--transition);
    opacity: 1 !important; /* Override any GSAP opacity changes */
    transform: none !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dark-theme .skill-item {
    background: var(--dark-bg);
}

.skill-item:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.skill-item:hover i {
    color: white;
}

.skill-item i {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.skill-item span {
    font-weight: 500;
    display: block;
}

/* Portfolio Section */
.portfolio-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 8px 20px;
    background: var(--light);
    border: none;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
}

.dark-theme .filter-btn {
    background: var(--dark-card);
    color: var(--light);
}

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

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

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

.dark-theme .portfolio-item {
    background: var(--dark-card);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(67, 97, 238, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-overlay h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 10px;
    transform: translateY(20px);
    transition: var(--transition);
}

.portfolio-overlay p {
    color: white;
    margin-bottom: 20px;
    transform: translateY(20px);
    transition: var(--transition);
    text-align: center;
    padding: 0 20px;
}

.portfolio-item:hover .portfolio-overlay h3,
.portfolio-item:hover .portfolio-overlay p {
    transform: translateY(0);
}

.portfolio-overlay a {
    color: white;
    background: var(--secondary);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 500;
    transform: translateY(20px);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay a {
    transform: translateY(0);
    transition-delay: 0.2s;
}

.portfolio-info {
    padding: 20px;
}

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.portfolio-info p {
    color: var(--gray);
    margin-bottom: 15px;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.portfolio-tags span {
    background: var(--light);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--dark);
}

.dark-theme .portfolio-tags span {
    background: var(--dark-bg);
    color: var(--light);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

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

.contact-card {
    background: var(--light-alt);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    align-items: flex-start;
}

.dark-theme .contact-card {
    background: var(--dark-card);
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    color: var(--primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.contact-card p {
    color: var(--gray);
    margin-bottom: 10px;
}

.contact-card a {
    color: var(--primary);
    font-weight: 500;
}

.contact-form {
    background: var(--light-alt);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.dark-theme .contact-form {
    background: var(--dark-card);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.dark-theme .form-group label {
    color: var(--light);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    background: var(--light);
    transition: var(--transition);
}

.dark-theme .form-control {
    background: var(--dark-bg);
    border-color: var(--dark-border);
    color: var(--light);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

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

.submit-btn {
    width: 100%;
    padding: 15px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary);
}

.footer-column p {
    color: #adb5bd;
    margin-bottom: 20px;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-5px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #adb5bd;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #adb5bd;
    font-size: 0.9rem;
}

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

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

@keyframes glowing {
    0% { box-shadow: 0 0 10px var(--primary); }
    50% { box-shadow: 0 0 20px var(--secondary); }
    100% { box-shadow: 0 0 10px var(--primary); }
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(10px); opacity: 0; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translateY(0); }
    40% { transform: rotate(45deg) translateY(-10px); }
    60% { transform: rotate(45deg) translateY(-5px); }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 992px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .typewriter h2 {
        font-size: 2rem;
    }
    
    .about-content,
    .skills-container,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
        margin-bottom: 50px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--light-alt);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        z-index: 999;
    }
    
    .dark-theme .nav-links {
        background: var(--dark-card);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero {
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-image {
        position: relative;
        width: 80%;
        margin: 50px auto 0;
        right: auto;
        top: auto;
        transform: none;
        max-width: 100vw;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    :root {
        --section-padding: 50px;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .typewriter h2 {
        font-size: 1.5rem;
    }
    
    .hero-btns {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        max-width: 100vw;
    }
}

.nav-links a:focus-visible, .btn:focus-visible, .theme-toggle:focus-visible, .mobile-menu:focus-visible, .close-modal:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 2px var(--secondary);
}

.pre-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.animate-in {
  opacity: 1 !important;
  transform: none !important;
}

/* Custom section animations */
.fade-in-hero.pre-animate { opacity: 0; }
.fade-in-hero.animate-in { opacity: 1; transition: opacity 0.8s; }

.slide-up-about.pre-animate { opacity: 0; transform: translateY(60px); }
.slide-up-about.animate-in { opacity: 1; transform: none; transition: opacity 0.8s, transform 0.8s; }

.zoom-in-skills.pre-animate { opacity: 0; transform: scale(0.8); }
.zoom-in-skills.animate-in { opacity: 1; transform: scale(1); transition: opacity 0.8s, transform 0.8s; }

.flip-in-portfolio.pre-animate { opacity: 0; transform: rotateY(90deg) scale(0.95); }
.flip-in-portfolio.animate-in { opacity: 1; transform: none; transition: opacity 0.8s, transform 0.8s; }

.fade-in-contact.pre-animate { opacity: 0; }
.fade-in-contact.animate-in { opacity: 1; transition: opacity 0.8s; }