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

:root {
    --primary-color: #4f46e5;
    --secondary-color: #818cf8;
    --accent-color: #6366f1;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background: #ffffff;
    --section-bg: #f8fafc;
    --gradient-start: #4f46e5;
    --gradient-end: #818cf8;
    --card-bg: #ffffff;
    --border-color: rgba(79, 70, 229, 0.1);
    --primary-rgb: 79, 70, 229;
}

[data-theme="dark"] {
    --primary-color: #818cf8;
    --secondary-color: #6366f1;
    --accent-color: #4f46e5;
    --text-color: #f3f4f6;
    --light-text: #d1d5db;
    --background: #111827;
    --section-bg: #1f2937;
    --gradient-start: #1f2937;
    --gradient-end: #111827;
    --card-bg: #1f2937;
    --border-color: rgba(255, 255, 255, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--background);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scroll-down {
    transform: translateY(-100%);
}

.navbar.scroll-up {
    transform: translateY(0);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    white-space: nowrap;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Mobile Navigation */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--background);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        transition: left 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 1rem 0;
    }
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    padding: 6rem 2rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.1) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    animation: fadeIn 1s ease-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.hero-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    margin: 4rem auto 2rem;
    position: relative;
    animation: imageGlow 3s infinite;
}

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

.hero-image:hover img {
    transform: scale(1.05);
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    animation: float 3s ease-in-out infinite;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}

.subtitle {
    font-size: 2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    animation: glow 2s infinite;
}

.btn.primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    animation: glow 1s infinite;
}

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

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

.btn.secondary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn.secondary i {
    margin-right: 0.5rem;
}

.btn.secondary .fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

/* About Section */
.about {
    padding: 8rem 0;
    background: var(--background);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

.about-text h3 {
    margin: 2rem 0 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-tags span {
    background: var(--section-bg);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.about-image {
    position: relative;
    padding: 1rem;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 15px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    z-index: -1;
    animation: borderGlow 3s infinite;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

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

@keyframes borderGlow {
    0% {
        opacity: 0.5;
        filter: blur(5px);
    }
    50% {
        opacity: 0.8;
        filter: blur(8px);
    }
    100% {
        opacity: 0.5;
        filter: blur(5px);
    }
}

@media (max-width: 768px) {
    .about-image {
        padding: 0.5rem;
    }
}

/* Add glowing animations */
@keyframes glow {
    0% {
        box-shadow: 0 0 5px var(--primary-color),
                    0 0 10px var(--primary-color),
                    0 0 15px var(--primary-color);
    }
    50% {
        box-shadow: 0 0 10px var(--primary-color),
                    0 0 20px var(--primary-color),
                    0 0 30px var(--primary-color);
    }
    100% {
        box-shadow: 0 0 5px var(--primary-color),
                    0 0 10px var(--primary-color),
                    0 0 15px var(--primary-color);
    }
}

/* Projects Section */
.projects {
    display: none;
}

/* Project Cards */
.project-card {
    background: var(--background);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

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

.project-info {
    padding: 1.5rem;
}

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

.project-info p {
    color: var(--light-text);
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tech span {
    background: var(--section-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--background) 0%, var(--section-bg) 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="%23ffffff" opacity="0.05"/></svg>');
    opacity: 0.1;
    z-index: 1;
}

.contact .container {
    position: relative;
    z-index: 2;
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--text-color);
    position: relative;
    display: inline-block;
}

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

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--background);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2);
}

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

.contact-form button {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-form button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

.contact-form button:hover::before {
    left: 100%;
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--primary-rgb), 0.4);
}

/* Footer */
footer {
    background: var(--background);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-section .social-links {
    display: flex;
    gap: 1rem;
}

.footer-section .social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--section-bg);
    border-radius: 50%;
}

.footer-section .social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
    background: var(--card-bg);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 1rem;
}

.footer-section ul li a {
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-section ul li a i {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-color);
    font-size: 0.9rem;
}

.footer-bottom p span {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-section h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-section .social-links {
        justify-content: center;
    }

    .footer-section ul li a {
        justify-content: center;
    }
}

/* Interest Cards */
.interest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.interest-card {
    background: var(--background);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(79, 70, 229, 0.1);
}

.interest-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.1);
    border-color: var(--primary-color);
}

.interest-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.interest-card h4 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.interest-card p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* Education Section */
.education {
    padding: 8rem 0;
    background: var(--section-bg);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.education.visible {
    opacity: 1;
    transform: translateY(0);
}

.education-timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto;
    padding-left: 2rem;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--primary-color);
}

.education-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.education-item::before {
    content: '';
    position: absolute;
    left: -0.5rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--primary-color);
}

.education-date {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.education-content {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

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

.education-content .institution {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.education-content .location {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.education-content .description {
    color: var(--light-text);
    margin-bottom: 1rem;
}

/* Experience Section */
.experience {
    padding: 8rem 0;
    background: var(--background);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.experience.visible {
    opacity: 1;
    transform: translateY(0);
}

.experience-timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto;
    padding-left: 2rem;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--primary-color);
}

.experience-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.experience-item::before {
    content: '';
    position: absolute;
    left: -0.5rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--primary-color);
}

.experience-date {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.experience-content {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

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

.experience-content .company {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.experience-content .description {
    color: var(--light-text);
    margin-bottom: 1rem;
}

.experience-content .achievements {
    list-style: disc;
    padding-left: 1.5rem;
    color: var(--light-text);
}

.experience-content .achievements li {
    margin-bottom: 0.5rem;
}

/* Languages Section */
.languages {
    padding: 8rem 0;
    background: var(--section-bg);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.languages.visible {
    opacity: 1;
    transform: translateY(0);
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.language-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.language-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.1);
    border-color: var(--primary-color);
}

.language-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.language-card .level {
    display: inline-block;
    padding: 0.25rem 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.language-card p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* Certifications Section */
.certifications {
    padding: 8rem 0;
    background: var(--background);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.certifications.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.certification-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.certification-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.1);
    border-color: var(--primary-color);
}

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

.certification-card .organization {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.certification-card .year {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.certification-card .description {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--section-bg);
    transform: rotate(180deg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .about-content,
    .contact .container {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .subtitle {
        font-size: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }

    .social-links {
        position: fixed;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        gap: 1rem;
    }

    .social-links a {
        font-size: 1.5rem;
        padding: 0.6rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .hero {
        padding: 5rem 1rem 1rem;
    }

    .hero-image {
        width: 250px;
        height: 250px;
        margin: 3rem auto 2rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .about-image {
        padding: 0.5rem;
    }

    .contact-social-links {
        justify-content: center;
    }

    .contact-social-links a {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .social-links {
        left: 0.5rem;
    }

    .social-links a {
        font-size: 1.3rem;
        padding: 0.5rem;
        width: 40px;
        height: 40px;
    }

    .contact-social-links a {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }

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

    .subtitle {
        font-size: 1.2rem;
    }
}

@keyframes glow {
    0% {
        box-shadow: 0 0 5px var(--primary-color),
                    0 0 10px var(--primary-color),
                    0 0 15px var(--primary-color);
    }
    50% {
        box-shadow: 0 0 10px var(--primary-color),
                    0 0 20px var(--primary-color),
                    0 0 30px var(--primary-color);
    }
    100% {
        box-shadow: 0 0 5px var(--primary-color),
                    0 0 10px var(--primary-color),
                    0 0 15px var(--primary-color);
    }
}

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

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

@keyframes socialGlow {
    0% {
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.3),
                    0 0 10px rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.5),
                    0 0 20px rgba(255, 255, 255, 0.3);
    }
    100% {
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.3),
                    0 0 10px rgba(255, 255, 255, 0.2);
    }
}

.social-links {
    display: none;
}

/* Skills Section */
.skills {
    padding: 6rem 0;
    background: var(--section-bg);
    position: relative;
    overflow: hidden;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    opacity: 0.05;
    z-index: 1;
}

.skills .container {
    position: relative;
    z-index: 2;
}

.skills h2 {
    text-align: center;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-size: 2.5rem;
    position: relative;
}

.skills h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    padding: 0 2rem;
}

.skill-category {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.skill-category:hover::before {
    opacity: 1;
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background);
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.skill-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.skill-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.skill-item:hover i {
    transform: scale(1.1);
    background: var(--primary-color);
    color: white;
}

.skill-item span {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 500;
}

@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .skill-category {
        padding: 1.5rem;
    }

    .skill-item {
        padding: 0.8rem;
    }

    .skill-item i {
        font-size: 1.2rem;
        width: 35px;
        height: 35px;
    }

    .skill-item span {
        font-size: 1rem;
    }
}

/* Enhanced Hero Section */
.hero {
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.1) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
    animation: float 3s ease-in-out infinite;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}

.subtitle {
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.cta-buttons {
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

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

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    color: white;
    font-size: 2rem;
}

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

@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .skill-category {
        padding: 1.5rem;
    }

    .skill-item {
        flex-wrap: wrap;
    }

    .skill-level {
        width: 100%;
    }
}