:root {
    --primary-color: #2E7D32; /* Deep Green */
    --secondary-color: #FFC107; /* Amber/Yellow for Sun */
    --accent-color: #4CAF50; /* Lighter Green */
    --text-color: #333;
    --light-gray: #f4f4f4;
    --white-color: #fff;
    --box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    --font-family: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.6;
}

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

h1, h2, h3, h4 {
    font-weight: 600;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; margin-bottom: 20px; text-align: center; }
p.section-subtitle { text-align: center; max-width: 600px; margin: 0 auto 40px; }

/* --- Header & Navbar --- */
header {
    background: var(--white-color);
    box-shadow: var(--box-shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 2rem;
}

.nav-logo img {
    height: 50px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: all 0.3s ease-in-out;
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('hero-bg.png') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white-color);
    padding: 0 20px;
    margin-top: 80px;
}

.hero-text {
    max-width: 800px;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    font-weight: 300;
}

.btn {
    padding: 12px 28px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: transparent;
    color: var(--secondary-color);
}

/* --- Generic Section Styling --- */
section {
    padding: 80px 0;
}

section:nth-of-type(odd) {
    background-color: var(--light-gray);
}

/* --- About Us Section --- */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-item {
    background: var(--white-color);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--box-shadow);
    border-left: 5px solid var(--primary-color);
}

.stat-item h3 {
    color: var(--primary-color);
    font-size: 2rem;
}

/* --- Why Choose Us Section --- */
.why-choose-us {
    background-color: var(--white-color);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.why-item {
    padding: 30px 20px;
    border-radius: 8px;
    background: var(--light-gray);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.why-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.why-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: inline-block;
}

.why-item h3 {
    margin-bottom: 10px;
    color: var(--text-color);
}

/* --- Services Section --- */
.services-intro {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.services-intro p {
    margin-bottom: 15px;
}

.services-tagline {
    font-weight: 600;
    color: var(--primary-color);
}

.services-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.service-list-item {
    display: flex;
    align-items: center;
    background: var(--white-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid var(--accent-color);
}

.service-list-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.service-list-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-right: 15px;
    width: 30px; /* for alignment */
    text-align: center;
}

.services-outro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    font-style: italic;
    color: #555;
}

/* Fallback for old grid - can be removed if new structure is approved */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card .card-content {
    padding: 25px;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* --- Projects Section --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.project-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    height: 250px;
}

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--white-color);
    padding: 40px 20px 20px;
    opacity: 1;
    transition: opacity 0.4s ease;
    text-align: center;
}

.project-overlay p {
    font-size: 1.1rem;
    font-weight: 600;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.project-item:hover .project-overlay p {
    transform: translateY(0);
}

/* --- Contact Section --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--white-color);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border-radius: 5px;
    border: 1px solid #ddd;
    font-family: var(--font-family);
}

.contact-form button {
    width: 100%;
    border: none;
    cursor: pointer;
}

.contact-info h3, .contact-info h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}
.contact-info p {
    margin-bottom: 10px;
    display: flex;
}
.contact-info i {
    color: var(--primary-color);
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.social-links {
    margin-top: 15px;
}

.social-icon {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: 15px;
    text-decoration: none;
    transition: color 0.3s ease;
}
.social-icon:hover {
    color: var(--secondary-color);
}


/* --- Footer --- */
.site-footer {
    background-color: #222;
    color: #ccc;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 60px;
    margin-bottom: 15px;
    filter: brightness(1) invert(1);
}

.footer-links h4, .footer-contact h4 {
    font-size: 1.2rem;
    color: var(--white-color);
    margin-bottom: 15px;
}

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

.footer-links ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    margin-bottom: 8px;
}
.footer-links ul li a:hover {
    color: var(--secondary-color);
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    text-align: left;
}
.footer-contact i {
    margin-right: 10px;
    margin-top: 4px; /* Align icon better with multi-line text */
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #444;
    padding-top: 20px;
    font-size: 0.9rem;
}


/* --- Responsive Design --- */
@media (max-width: 992px) {
    .about-content, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .about-text { order: 2; }
    .about-stats { order: 1; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--white-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        gap: 0;
    }

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

    .nav-item {
        padding: 1.5rem 0;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .nav-item:last-child {
        border-bottom: none;
    }

    .hamburger {
        display: block;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero {
        height: 70vh;
    }

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

    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }

    section {
        padding: 60px 0;
    }
    
    .contact-wrapper {
        padding: 20px;
    }

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