:root {
    --nav-height: 80px;
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #1e293b;
    --accent-color: #f59e0b;
    --text-color: #334155;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --gray: #e2e8f0;
    --dark-gray: #94a3b8;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto Mono', monospace;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

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

/*
  Scrollbar Styling
*/
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-dark);
    border-radius: 10px;
    border: 2px solid var(--white);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/*
  General Styling
*/

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--light-bg);
}

h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

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

.primary-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

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

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.highlight-text {
    color: var(--primary-color);
    font-weight: 500;
}

/*
  Navbar
*/
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: var(--white);
    box-shadow: var(--box-shadow);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo a:hover {
    color: var(--primary-dark);
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
}

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

.nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.contact-btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: var(--transition);
}

.contact-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/*
  ABOUT SECTION
*/

/* Hero Section */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 7rem 2rem 4rem;
    min-height: calc(100vh - var(--nav-height));
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-text {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-image {
    flex: 1;
    position: relative;
    max-width: 400px;
}

.profile-image {
    width: 100%;
    border-radius: 0.5rem;
    box-shadow: var(--box-shadow);
    position: relative;
    z-index: 2;
}

.image-border {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 0.5rem;
    z-index: 1;
}

#contact {
    scroll-margin-top: var(--nav-height);
    padding-top: calc(var(--nav-height) + 2rem);
}

#about {
    scroll-margin-top: var(--nav-height);
    padding-top: calc(var(--nav-height) - 4.5rem);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.25rem;
    color: var(--secondary-color);
}

.section-divider {
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 1rem auto;
    border-radius: 2px;
}

.about-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.about-content {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    justify-content: center;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: 0.5rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.875rem;
    color: var(--dark-gray);
}

/* Skills Section */
.skills-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 3rem 2rem 2rem;
    background-color: var(--white);
    border-radius: 10px;
}

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

.skill-category {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    margin-bottom: 1rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-info h4 {
    font-size: 1rem;
}

.skill-info span {
    font-size: 0.875rem;
    color: var(--dark-gray);
}

.skill-bar {
    height: 8px;
    background-color: var(--gray);
    border-radius: 4px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 4px;
}

.section-divider {
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 0 auto;
    border-radius: 2px;
}

.personal-skill-item {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--light-bg);
    border-radius: 0.5rem;
    transition: var(--transition);
}

.personal-skill-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.personal-skill-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.personal-skill-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.personal-skill-desc {
    font-size: 0.9rem;
    color: var(--dark-gray);
}

.personal-skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

/* Language Skills Styling */
.language-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.language-name {
    font-weight: 500;
}

.language-proficiency {
    display: flex;
    gap: 0.3rem;
}

.language-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--gray);
}

.language-dot.filled {
    background-color: var(--primary-color);
}

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

/* Contact Section */
.contact-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    text-align: center;
}

.contact-text {
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}
.contact-methods {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2.5rem 0;
    flex-wrap: wrap;
}

.contact-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: 0.75rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    width: 320px;
    min-height: 220px;
    justify-content: center;
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--light-bg);
    border-radius: 50%;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-type {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.contact-value {
    font-weight: 500;
    color: var(--text-color);
    word-break: break-word;
}

.contact-method a.contact-value {
    transition: var(--transition);
}

.contact-method a.contact-value:hover {
    color: var(--primary-color);
}

.contact-btn {
    margin-bottom: 2rem;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: larger;
    border-radius: 50%;
    background-color: var(--light-bg);
    color: var(--primary-color);
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 3rem 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
}

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

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

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

.footer-copyright {
    font-size: 0.875rem;
    color: var(--dark-gray);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: calc(var(--nav-height) + 1rem);
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        flex-direction: column;
    }

    #about {
        padding-bottom: 1.5rem;
    }

    #contact {
        padding-top: 2rem;
    }

    .contact-method {
        padding: 1rem;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 768px) {
    .nav-list {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 2rem;
        gap: 1.5rem;
        transition: var(--transition);
    }
    
    .nav-list.active {
        left: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .about-stats {
        flex-direction: column;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }

    .contact-methods {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-method {
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 1.75rem;
    }

    .contact-method {
        padding: 1.25rem;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

/*
  PROJECTS SECTION
*/
.projects-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(var(--nav-height) + 1rem) 2rem 1rem;
}

.projects-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.project-card {
    background-color: var(--white);
    border-radius: 0.75rem;
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.1);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.2);
}

.project-content {
    display: flex;
    flex-direction: column;
}

.project-image {
    padding: 2rem;
    background-color: var(--light-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid var(--gray);
}

.project-image img {
    max-height: 200px;
    width: auto;
    object-fit: contain;
    border-radius: 0.25rem;
}

.project-details {
    padding: 2rem;
}

.project-header {
    margin-bottom: 1rem;
}

.project-badge {
    background-color: var(--accent-color);
    color: var(--secondary-color);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 0.5rem;
}

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

.project-features {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    color: var(--text-color);
}

.project-features li {
    margin-bottom: 0.5rem;
}

.project-links {
    display: flex;
    gap: 1rem;
}

/* Responsive Design for Projects */
@media (min-width: 992px) {
    .project-content {
        flex-direction: row;
    }

    .project-image {
        flex: 1;
        min-height: 300px;
        border-bottom: none;
        border-right: 1px solid var(--gray);
    }

    .project-details {
        flex: 2;
    }
}

@media (max-width: 768px) {
    .project-image {
        padding: 1.5rem;
    }

    .project-details {
        padding: 1.5rem;
    }
}

/*
  CERTIFICATES SECTION
*/
.certificates-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(var(--nav-height) + 1rem) 2rem 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--dark-gray);
    max-width: 700px;
    margin: 0 auto;
}

.certificates-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.certificate-card {
    background-color: var(--white);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.certificate-image {
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
}

.certificate-image img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

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

.certificate-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.certificate-content h3 {
    color: var(--primary-dark);
    position: relative;
    display: inline-block;
}

.certificate-content h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary-dark);
    border-radius: 3px;
}

.certificate-content p {
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    flex: 1;
}

.certificate-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: auto;
    gap: 1rem;
}

.certificate-issuer {
    font-size: 0.875rem;
    color: var(--dark-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn.primary-btn {
    min-width: 165px;
    text-align: center;
    padding: 0.5rem 1rem;
    white-space: nowrap;
}

/* Responsive Design for Certificates */
@media (max-width: 768px) {
    .certificates-container {
        grid-template-columns: 1fr;
    }
    
    .certificate-card {
        max-width: 100%;
    }
}