/* CSS Styles */
 :root {
    --primary-color: #6b7280;
    --secondary-color: #4b5563;
    --accent-color: #9ca3af;
    --text-color: #111827;
    --light-text: #6b7280;
    --bg-color: #f9fafb;
    --white: #ffffff;
    --dark-bg: #1f2937;
    --gray-bg: #f3f4f6;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shiny-effect: linear-gradient(145deg, #e5e7eb, #d1d5db);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

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

.section-header p {
    color: var(--light-text);
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--shiny-effect);
    color: var(--text-color);
    border: 1px solid #d1d5db;
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0.3),
        rgba(255, 255, 255, 0)
    );
    transform: rotate(30deg);
}

.btn-primary:hover {
    background: var(--shiny-effect);
    filter: brightness(0.95);
}

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

.btn-secondary:hover {
    background: rgba(107, 114, 128, 0.1);
    color: var(--text-color);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: var(--shiny-effect);
    border-bottom: 1px solid #e5e7eb;
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 15px 0;
    background-color: rgba(255, 255, 255, 0.95);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
}

.logo span {
    color: var(--primary-color);
}

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

.nav-links li {
    margin-left: 30px;
}

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

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

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: var(--shiny-effect);
}

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

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

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero-content h2 {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--light-text);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--light-text);
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    position: relative;
    flex: 1;
    max-width: 500px;
    margin-left: 50px;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius);
    z-index: 1;
    position: relative;
    box-shadow: var(--box-shadow);
}

.image-border {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--accent-color);
    border-radius: var(--border-radius);
    z-index: 0;
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-image {
    flex: 1;
}

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

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.about-text p {
    margin-bottom: 30px;
    color: var(--light-text);
}

.skills h4 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.skill {
    margin-bottom: 20px;
}

.skill-name {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.skill-bar {
    width: 100%;
    height: 10px;
    background-color: var(--gray-bg);
    border-radius: 5px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: var(--shiny-effect);
    border: 1px solid #d1d5db;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    transition: width 1s ease;
}

.skill-percent {
    float: right;
    font-size: 0.9rem;
    color: var(--light-text);
}

/* Services Section */
.services {
    background-color: var(--gray-bg);
}

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

.service-card {
    background: var(--shiny-effect);
    border: 1px solid #e5e7eb;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--shiny-effect);
    color: var(--text-color);
    border: 1px solid #d1d5db;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--light-text);
}

/* Portfolio Section */
.portfolio-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 8px 20px;
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(75, 85, 99, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: var(--white);
    text-align: center;
    padding: 20px;
}

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

.portfolio-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.portfolio-overlay p {
    margin-bottom: 20px;
}

.portfolio-link {
    color: var(--white);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.portfolio-link:hover {
    transform: scale(1.2);
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.info-text h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.info-text p {
    color: var(--light-text);
}

.contact-form {
    flex: 1;
    background: var(--shiny-effect);
    border: 1px solid #e5e7eb;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* Footer */
.footer {
    background: var(--dark-bg);
    border-top: 1px solid #374151;
    color: var(--white);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-about .logo {
    color: var(--white);
    margin-bottom: 20px;
    display: block;
}

.footer-about p {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    border: 1px solid #4b5563;
    border-radius: 50%;
    transition: all 0.3s ease;
}

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

.footer-links h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.newsletter-form {
    display: flex;
    margin-top: 20px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-family: 'Poppins', sans-serif;
}

.newsletter-form button {
    padding: 0 20px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.newsletter-form button:hover {
    background-color: var(--secondary-color);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container,
    .about-content {
        flex-direction: column;
    }

    .hero-content,
    .about-text {
        max-width: 100%;
        margin-bottom: 50px;
    }

    .hero-image {
        margin-left: 0;
    }

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

    .contact-info {
        margin-bottom: 50px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 50px 0;
        transition: left 0.3s ease;
    }

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

    .nav-links li {
        margin: 15px 0;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

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

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

    .hero-content h2 {
        font-size: 1.5rem;
    }

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

    section {
        padding: 60px 0;
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .hero {
        padding: 120px 0 60px;
    }
}