:root {
    --primary-color: #2C3E50;
    --secondary-color: #3498DB;
    --accent-color: #E74C3C;
    --text-color: #2C3E50;
    --light-bg: #F8F9FA;
    --white: #FFFFFF;
}

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

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

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    height: 80px;
}

.logo img {
    max-height: 100%;
    width: auto;
    display: block;
}

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

.nav-links li {
    margin: 0 1.5rem;
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    height: 80vh;
    min-height: 500px;
    background: linear-gradient(rgba(255,255,255,0.85), rgba(255,255,255,0.85)), url('../assets/images/backgrounds/pcbArt.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 120px 5% 60px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    line-height: 1.5;
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #2980b9;
}

.secondary-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

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

/* Services Section */
.services {
    padding: 5rem 5%;
    background-color: var(--light-bg);
}

.services h2,
.featured-project h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

/* Featured Project */
.featured-project {
    padding: 5rem 5%;
}

.project-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.project-image {
    cursor: pointer;
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 aspect ratio */
    overflow: hidden;
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.project-image:hover img {
    transform: scale(1.02);
}

.project-description h3 {
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

/* Project Details */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.gallery-item {
    position: relative;
    height: 220px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
    opacity: 0.9;
}

.project-specs {
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 12px;
    margin: 3rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.project-specs h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.tech-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.tech-detail {
    background: var(--white);
    padding: 1.8rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.tech-detail:hover {
    transform: translateY(-3px);
}

.tech-detail h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.tech-detail p {
    line-height: 1.6;
    color: var(--text-color);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.lightbox.active {
    display: flex;
    flex-direction: column;
}

.lightbox img {
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 5px;
}

.close-lightbox {
    position: absolute;
    top: 1rem;
    right: 2rem;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
}

.lightbox-caption {
    color: white;
    margin-top: 1rem;
    text-align: center;
    font-size: 1.1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .project-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .project-image {
        padding-top: 66.67%; /* Slightly shorter aspect ratio for mobile */
    }
}

/* Projects Page */
.projects-page {
    padding-top: 100px;
}

.page-header {
    text-align: center;
    padding: 5rem 5% 6rem;
    position: relative;
    background-color: var(--primary-color);
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/images/pcbArt.png');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 1;
}

.page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(44, 62, 80, 0.95));
    z-index: 2;
}

.page-header h1,
.page-header p {
    position: relative;
    z-index: 3;
    color: var(--white);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    opacity: 0.9;
}

.projects-grid {
    padding: 4rem 5%;
}

.project-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.project-image {
    cursor: pointer;
    max-height: 500px;
    overflow: hidden;
    position: relative;
    background: var(--light-bg);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.project-image:hover img {
    opacity: 0.9;
}

.project-content {
    padding: 2rem;
}

.project-content h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.project-content h3 {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.project-content > p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.project-features {
    list-style: none;
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.project-features li {
    padding-left: 1.5rem;
    position: relative;
}

.project-features li::before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

@media (max-width: 1024px) {
    .project-gallery,
    .tech-details {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .project-gallery,
    .tech-details {
        grid-template-columns: 1fr;
    }
    
    .gallery-item {
        height: 280px;
    }
    
    .project-specs,
    .tech-detail {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .project-card .project-image {
        height: 300px;
    }
}

/* Blog Page */
.blog-page {
    padding-top: 80px;
}

.blog-grid {
    padding: 4rem 5%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
}

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.blog-content h2 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

.read-more:hover {
    text-decoration: underline;
}

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

/* Contact Page */
.contact-page {
    padding-top: 100px;
}

.contact-content {
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 10px;
    height: fit-content;
}

.contact-info h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.contact-method i {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-right: 1rem;
}

.contact-method p {
    margin-bottom: 0;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.submit-button {
    background: var(--secondary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: 100%;
}

.submit-button:hover {
    background: #2980b9;
}

.form-message {
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 5px;
    text-align: center;
    display: none;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem 5%;
    }
}

/* About Page */
.about-page {
    padding-top: 100px;
}

.about-content {
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.about-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.about-intro h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.about-intro p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-color);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0 5rem;
}

.expertise-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
}

.expertise-card h3 {
    color: var(--secondary-color);
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.expertise-card ul {
    list-style: none;
    padding: 0;
}

.expertise-card li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.5;
    color: var(--text-color);
}

.expertise-card li::before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.about-approach {
    text-align: center;
    margin-top: 4rem;
}

.about-approach h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.about-approach > p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto 3rem;
}

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

.point {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 10px;
}

.point h4 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.point p {
    color: var(--text-color);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .expertise-grid,
    .approach-points {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .expertise-grid,
    .approach-points {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        padding: 2rem 5%;
    }
    
    .expertise-card,
    .point {
        padding: 1.5rem;
    }
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 5% 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-section {
    text-align: center;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

@media (max-width: 768px) {
    footer {
        padding: 2rem 5% 1rem;
    }

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

/* Responsive Design */
.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .project-showcase {
        grid-template-columns: 1fr;
    }

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

/* Mobile Navigation */
.nav-active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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