/* --- Global Styles & Variables --- */
:root {
    --primary-color: #0056b3;
    --secondary-color: #f8f9fa;
    --accent-color: #ffc107;
    --dark-color: #343a40;
    --light-color: #ffffff;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--secondary-color);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: var(--font-heading);
    font-weight: 500;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.btn-primary:hover {
    background-color: #004494;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--light-color);
    color: var(--dark-color);
}

/* --- Header & Navigation --- */
.main-header {
    background: rgba(0, 0, 0, 0.8);
    color: var(--light-color);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: background 0.3s ease;
}

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

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

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

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

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/hero-bg.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--light-color);
    padding: 0 20px;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin-bottom: 30px;
}

/* --- Services Grid --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-item {
    background: var(--light-color);
    padding: 40px 30px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.service-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-item h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.features-list {
    margin-top: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.feature i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* --- Gallery Grid --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.gallery-grid img:hover {
    transform: scale(1.05);
    filter: brightness(0.8);
}

/* --- Testimonials --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.testimonial {
    background: var(--light-color);
    padding: 30px;
    border-left: 5px solid var(--primary-color);
    border-radius: 5px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.testimonial p {
    font-style: italic;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.testimonial cite {
    font-weight: 700;
    color: var(--primary-color);
    font-style: normal;
}

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.info-item i {
    font-size: 1.2rem;
    color: var(--primary-color);
    width: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-body);
    font-size: 1rem;
}

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

/* --- Footer --- */
.main-footer {
    background-color: var(--dark-color);
    color: #aaa;
    padding: 60px 0 20px;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo h2 {
    font-family: var(--font-heading);
    color: var(--light-color);
    margin-bottom: 5px;
}

.footer-social a {
    color: #aaa;
    font-size: 1.5rem;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: var(--light-color);
}

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

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .about-image {
        order: -1;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--dark-color);
        flex-direction: column;
        justify-content: start;
        padding-top: 50px;
        transition: right 0.3s ease;
    }

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

    .menu-toggle {
        display: block;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
}