@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --accent-color: #fd7e14;
    --text-color: #343a40;
    --light-text-color: #f8f9fa;
    --background-light: #f8f9fa;
    --background-dark: #343a40;
    --border-color: #dee2e6;
    --error-color: #dc3545;
    --success-color: #28a745;
    --transition-speed: 0.3s;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-light);
}

img {
    max-width: 100%;
}

:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: #adb5bd;
}

ul {
    list-style: none;
}


.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, transform 0.2s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.primary-btn {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.2);
}

.primary-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.secondary-btn {
    background-color: var(--secondary-color);
    color: var(--light-text-color);
    box-shadow: 0 4px 8px rgba(108, 117, 125, 0.2);
}

.secondary-btn:hover {
    background-color: #545b62;
    transform: translateY(-2px);
}

.small-btn {
    padding: 8px 15px;
    font-size: 0.9rem;
    border-radius: 5px;
}

.github-btn {
    background-color: #333;
    color: #fff;
}

.github-btn:hover {
    background-color: #555;
}


.main-header {
    background-color: var(--background-dark);
    color: var(--light-text-color);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.main-header .logo a {
    color: var(--light-text-color);
    text-decoration: none;
}

.main-nav .nav-list {
    display: flex;
    gap: 30px;
}

.main-nav .nav-list a {
    color: var(--light-text-color);
    font-weight: 600;
    padding: 5px 0;
    position: relative;
}

.main-nav .nav-list a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 3px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) ease;
}

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

.hamburger-menu {
    display: none;
    background: none;
    border: none;
    color: var(--light-text-color);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 5px;
}


section {
    padding: 80px 0;
    text-align: center;
    scroll-margin-top: 90px;
}

section h2, section h3 {
    margin-bottom: 40px;
    font-weight: 700;
    color: var(--primary-color);
}


#hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6a11cb 100%);
    color: var(--light-text-color);
    padding: 100px 0;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

#hero .container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
    gap: 40px;
    text-align: left;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--light-text-color);
}

.hero-content .highlight {
    color: var(--accent-color);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-content .btn {
    margin-right: 15px;
    margin-bottom: 10px;
}

.hero-image {
    flex-shrink: 0;
}

.hero-image .rounded-image {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 8px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}


.skills-section {
    background-color: var(--background-light);
    padding: 80px 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.skill-item {
    background-color: #fff;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.skill-item i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.skill-item h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.skill-item p {
    font-size: 1rem;
    color: var(--secondary-color);
}



.about-me-section {
    background-color: var(--background-light);
    padding: 80px 0;
}

.about-me-section .container {
    text-align: left;
}

.about-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 50px;
    margin-top: 40px;
}

.about-image {
    flex-shrink: 0;
}

.about-image .rounded-image {
    width: 300px;
    height: 300px;
    border-radius: var(--border-radius);
    object-fit: cover;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.about-text .btn {
    margin-top: 20px;
}


.values-section {
    background-color: #e9ecef;
    padding: 80px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.value-item {
    background-color: #fff;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.value-item i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.value-item h4 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.value-item p {
    font-size: 0.95rem;
    color: var(--secondary-color);
}


.projects-section {
    background-color: var(--background-light);
    padding: 80px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.project-card {
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.project-card h3 {
    font-size: 1.4rem;
    margin: 20px 20px 10px;
    color: var(--primary-color);
}

.project-card p {
    font-size: 0.95rem;
    margin: 0 20px 15px;
    color: var(--secondary-color);
}

.project-tech {
    margin: 0 20px 15px;
}

.project-tech span {
    display: inline-block;
    background-color: #e9f5ff;
    color: var(--primary-color);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-right: 8px;
    margin-bottom: 8px;
}

.project-links {
    padding: 0 20px 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}


.contact-section {
    background-color: var(--background-light);
    padding: 80px 0;
}

.contact-section .container {
    text-align: center;
}

.contact-intro {
    font-size: 1.1rem;
    margin-bottom: 50px;
    color: var(--secondary-color);
}

.contact-grid {
    display: flex;
    flex-direction: row;
    gap: 50px;
    margin-top: 40px;
    text-align: left;
    align-items: flex-start;
}

.contact-info, .contact-form-container {
    flex: 1;
    background-color: #fff;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.contact-info h3, .contact-form-container h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    text-align: left;
}

.contact-info p {
    margin-bottom: 15px;
    font-size: 1.05rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
}

.contact-info p i {
    margin-right: 10px;
    color: var(--accent-color);
    font-size: 1.2rem;
}

.contact-info p a {
    color: var(--text-color);
    text-decoration: underline;
}

.social-links-contact {
    margin-top: 30px;
    display: flex;
    gap: 20px;
}

.social-links-contact a {
    font-size: 1.8rem;
    color: var(--secondary-color);
    transition: color var(--transition-speed) ease;
}

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

.contact-form .form-group {
    margin-bottom: 20px;
    text-align: left;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
    outline: none;
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: 5px;
    display: block;
    height: 18px;
}

.contact-form .form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: none;
}

.contact-form .form-message.success {
    background-color: #d4edda;
    color: var(--success-color);
    border: 1px solid #c3e6cb;
}

.contact-form .form-message.error {
    background-color: #f8d7da;
    color: var(--error-color);
    border: 1px solid #f5c6cb;
}



.main-footer {
    background-color: var(--background-dark);
    color: var(--light-text-color);
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
}

.main-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.main-footer .social-links {
    display: flex;
    gap: 20px;
}

.main-footer .social-links a {
    color: var(--light-text-color);
    font-size: 1.5rem;
    transition: color var(--transition-speed) ease;
}

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


.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-on-scroll.active {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    .reveal-on-scroll {
        opacity: 1;
        transform: none;
    }

    .skill-item:hover,
    .project-card:hover,
    .btn:hover {
        transform: none;
    }
}





@media (max-width: 991px) {
    .main-header .container {
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-header .logo {
        width: 100%;
        text-align: center;
        margin-bottom: 15px;
    }

    .main-nav .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        background-color: var(--background-dark);
        position: absolute;
        top: 65px;
        left: 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
        padding-bottom: 10px;
    }

    .main-nav .nav-list.active {
        display: flex;
    }

    .main-nav .nav-list li {
        margin: 10px 0;
    }

    .main-nav .nav-list a {
        padding: 10px 20px;
        display: block;
    }

    .hamburger-menu {
        display: block;
        position: absolute;
        right: 20px;
        top: 20px;
    }

    #hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

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

    .hero-image .rounded-image {
        width: 250px;
        height: 250px;
        margin-top: 30px;
    }

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

    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .about-image {
        margin-bottom: 30px;
    }

    .contact-grid {
        flex-direction: column;
    }

    .contact-info, .contact-form-container {
        padding: 30px;
    }

    .contact-info h3, .contact-form-container h3 {
        text-align: center;
    }
}


@media (max-width: 575px) {
    section {
        padding: 60px 0;
    }

    #hero {
        padding: 80px 0;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-content .btn {
        width: 100%;
        margin-right: 0;
        margin-bottom: 15px;
    }

    .main-footer .social-links {
        flex-direction: column;
        gap: 10px;
    }
}