:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4895ef;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --success-color: #4bb543;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

.hidden {
    display: none !important;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

body.no-scroll {
    overflow: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

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

#main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

#main-nav ul li {
    margin-left: 2rem;
}

#main-nav ul li a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
}

#main-nav ul li a:hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--dark-color);
    border-radius: 5px;
    transition: var(--transition);
}

.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.hero-text {
    flex: 1;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--dark-color);
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    margin-top: 1rem;
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.work {
    padding: 4rem 0;
    background-color: white;
}

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

.project-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

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

.project-info {
    padding: 1.5rem;
}

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

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background-color: var(--light-color);
    color: var(--dark-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.about {
    padding: 4rem 0;
    background-color: var(--light-color);
}

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

.about-image {
    flex: 1;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.about-text {
    flex: 1;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.skill-item {
    background-color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    box-shadow: var(--box-shadow);
    font-weight: 500;
}

.testimonials {
    padding: 4rem 0;
    background-color: white;
}

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

.testimonial-card {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
}

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

.author-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1rem;
}

.author-info h4 {
    margin-bottom: 0.2rem;
}

.author-info p {
    color: var(--gray-color);
    font-size: 0.9rem;
}

footer {
    padding: 3rem 0;
    background-color: var(--dark-color);
    color: white;
    text-align: center;
}

.footer-content {
    margin-bottom: 2rem;
}

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

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

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

.edit-btn {
    background-color: var(--success-color);
    margin-right: 1rem;
}

.load-btn {
    background-color: var(--gray-color);
}

#portfolio-form {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    margin: 2rem 0;
}

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

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

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input[type="text"]:focus,
.form-group input[type="url"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    margin-bottom: 1rem;
}

.form-row > div {
    flex: 1;
}

.form-row .remove-btn {
    background-color: #dc3545;
    margin-left: auto;
    flex: 0 0 auto;
}

.form-row .remove-btn:hover {
    background-color: #c82333;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

.nav-item,
.project-item,
.testimonial-item,
.social-link-item,
.skill-item {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.pagination-btn {
    padding: 8px 15px;
    border: 1px solid var(--primary-color);
    background: white;
    color: var(--primary-color);
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.pagination-btn:hover:not(.active) {
    background: var(--light-color);
}

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

.pagination-ellipsis {
    padding: 8px 5px;
    color: var(--gray-color);
}

@media (max-width: 768px) {
    .hero-content,
    .about-content {
        flex-direction: column;
    }

    .hero-text,
    .hero-image,
    .about-text,
    .about-image {
        text-align: center;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

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

    .form-row {
        flex-direction: column;
        gap: 1rem;
    }

    .form-row > div {
        width: 100%;
    }

    .form-row .remove-btn {
        margin-left: 0;
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .hamburger {
        display: flex;
        align-items: center;
    }

    #main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: white;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.4s ease-in-out;
        padding-top: 80px;
        z-index: 999;
        overflow-y: auto;
    }

    #main-nav.active {
        right: 0;
    }

    #main-nav ul {
        flex-direction: column;
        padding: 20px;
        align-items: center;
        gap: 1.5rem;
    }

    #main-nav ul li {
        margin: 0;
        width: 100%;
        text-align: center;
    }

    #main-nav ul li a {
        font-size: 1.2rem;
        padding: 10px 0;
        display: block;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }

    .contact-section h2 {
        font-size: 2em;
    }

    .contact-section p {
        font-size: 1em;
        margin-bottom: 30px;
    }

    #contact-form {
        padding: 20px;
    }

    #contact-form .btn {
        width: 100%;
        align-self: center;
    }
}

body.no-scroll {
    overflow: hidden;
}

html {
    scroll-behavior: smooth;
}

.contact-section {
    padding: 60px 0;
    background-color: var(--light-color);
    text-align: center;
}

.contact-section h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.contact-section p {
    font-size: 1.1em;
    margin-bottom: 40px;
    color: var(--gray-color);
}

#contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#contact-form input[type="text"],
#contact-form input[type="email"],
#contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid grey;
    border-radius: 5px;
    font-size: 1em;
    font-family: var(--font-main);
    color: var(--dark-color);
    background-color: var(--light-color);
    box-shadow: var(--box-shadow);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#contact-form input[type="text"]:focus,
#contact-form input[type="email"]:focus,
#contact-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
    outline: none;
}

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

#contact-form .btn {
    align-self: flex-start;
    background-color: var(--primary-color);
    color: white;
    border: none;
}

#contact-form .btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.success-message {
    color: var(--success-color);
    font-weight: bold;
    margin-top: 15px;
    text-align: center;
    padding: 10px;
    background-color: rgba(75, 181, 67, 0.1);
    border-radius: 5px;
}
.hidden {
    display: none !important;
}