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

:root {
    --primary-color: #1a5f3f;
    --secondary-color: #2d8659;
    --accent-color: #45a049;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --text-white: #ffffff;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #e9ecef;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    scroll-behavior: smooth;
}

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

.section {
    padding: 5rem 0;
}

.bg-light {
    background-color: var(--bg-light);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

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

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

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.header-scrolled {
    box-shadow: var(--shadow);
}

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

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

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

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

.burger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
    padding: 8rem 0 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    opacity: 0.03;
    transform: rotate(15deg);
}

.hero-content {
    position: relative;
    z-index: 2;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    max-width: 300px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* Language Skills Section */
.language-skills {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    grid-column: 1 / -1; /* Make it span across all columns */
    width: 100%; /* Ensure full width */
}

.language-skills h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.language-item {
    background-color: var(--bg-white);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

.language-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.language-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.language-level {
    font-weight: 700;
    color: var(--primary-color);
}

.language-progress-container {
    height: 10px;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.language-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    transition: width 1s ease-in-out;
}

.language-description {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    font-style: italic;
}

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

.skill-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.skill-icon {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

.skill-icon img {
    width: 70px;
    height: 70px;
    object-fit: contain;
}

.skill-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.portfolio-cta h4 {
    margin-bottom: 0;
}

.portfolio-item {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 95, 63, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

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

.portfolio-link {
    color: var(--text-white);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--text-white);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.portfolio-link:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.portfolio-content {
    padding: 2rem;
}

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

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-status {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    margin-bottom: 1rem;
}

.contact-status h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-status p {
    color: var(--text-dark);
    line-height: 1.6;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease;
}

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

.contact-icon {
    min-width: 60px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.contact-item:hover .contact-image {
    transform: scale(1.1);
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.contact-item a {
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.social-links h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.social-icon {
    width: 30px;
    height: 30px;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.social-link span {
    color: var(--text-dark);
    font-weight: 500;
}

/* Contact Form */
.contact-form {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 20px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 95, 63, 0.1);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--text-white);
    padding: 3rem 0 2rem;
    text-align: left;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-personal, .footer-education {
    margin-bottom: 1.5rem;
}

.footer-personal h3, .footer-education h3, .footer-social h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-personal p, .footer-education p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-social a {
    color: var(--text-white);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    padding-bottom: 3px;
}

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

.footer-social a:hover {
    color: var(--accent-color);
}

.footer-social a:hover:after {
    width: 100%;
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 1rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* Technology Logos */
.skill-tech img, .portfolio-tech img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    vertical-align: middle;
    margin: 0 5px;
}

.skill-tech, .portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 1rem;
}

.skill-tech span, .portfolio-tech span {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .burger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2rem 0;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

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

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

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

    h2 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .language-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .social-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-info {
        width: 100%;
    }

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

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

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .tech-badge {
        width: 30px;
        height: 30px;
    }

    .custom-skill-icon {
        width: 70px;
        height: 70px;
    }

    .skill-image {
        height: 70px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .social-grid {
        grid-template-columns: 1fr;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
    }

    .contact-icon {
        margin-bottom: 0.5rem;
    }

    .footer-personal h3, .footer-education h3, .footer-social h3 {
        font-size: 1.1rem;
    }

    .footer-personal p, .footer-education p {
        font-size: 0.9rem;
    }
}

/* Language Selector */
.lang-selector {
    position: relative;
    margin-right: 2rem;
    z-index: 1000;
}

.lang-dropdown-btn {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.lang-dropdown-btn:hover {
    background-color: var(--bg-light);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.dropdown-arrow {
    margin-left: 0.3rem;
    transition: transform 0.3s ease;
}

.dropdown-arrow.open {
    transform: rotate(180deg);
}

.flag-img {
    width: 20px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.lang-dropdown-content {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background: var(--bg-white);
    min-width: 150px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.lang-dropdown-content.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    width: 100%;
    text-align: left;
    border: none;
    background: none;
    color: var(--text-dark);
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.lang-dropdown-item:hover {
    background-color: var(--bg-light);
}

@media (max-width: 768px) {
    .lang-selector {
        margin-right: 1rem;
    }

    .lang-dropdown-btn {
        padding: 0.4rem 0.8rem;
    }

    .lang-dropdown-btn span:not(.dropdown-arrow) {
        display: none;
    }

    .flag-img {
        margin: 0;
        width: 24px;
        height: 16px;
    }
}

/* Burger Menu Animation */
.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}