:root {
    --primary: #2563eb; /* Blue accent */
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;
    --dark: #1e293b; /* Dark blue */
    --light: #f1f5f9; /* Light background */
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
}

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

/* Header and Navigation */
.header-banner {
    background: white;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.header-banner.scrolled {
    padding: 10px 0;
}

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

.logo {
    height: 80px;
    width: auto;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

/* Dropdown Menu Styles */
.nav-links {
    position: relative;
}
.nav-links .dropdown {
    position: relative;
    display: inline-block;
}
.nav-links .dropdown-content {
    display: none;
    position: absolute;
    background: white;
    min-width: 180px;
    box-shadow: var(--shadow);
    z-index: 1001;
    border-radius: 6px;
    margin-top: 8px;
}
.nav-links .dropdown.open .dropdown-content {
    display: block;
}
.nav-links .dropdown-content a {
    color: var(--dark);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    border-radius: 6px;
    transition: var(--transition);
}
.nav-links .dropdown-content a:hover {
    background: var(--primary-light);
    color: white;
}

/* Sidebar Mobile Menu */
@media (max-width: 900px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        height: 100vh;
        background: #fff;
        box-shadow: var(--shadow);
        z-index: 2001;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem 1.5rem 1.5rem 1.5rem;
        transition: right 0.3s cubic-bezier(.4,0,.2,1);
        overflow-y: auto;
        max-height: 90vh;
    }
    .nav-links.active {
        right: 0;
    }
    .menu-btn {
        display: block;
        font-size: 2rem;
        background: none;
        border: none;
        color: var(--primary);
        cursor: pointer;
        z-index: 2100;
    }
    .close-menu-btn {
        display: block;
        position: absolute;
        top: 1rem;
        right: 1rem;
        background: none;
        border: none;
        font-size: 2rem;
        color: var(--primary);
        cursor: pointer;
        z-index: 2101;
    }
    .nav-links a, .nav-links .dropdown {
        width: 100%;
        font-size: 1.1rem;
        margin: 0.5rem 0;
    }
    .nav-links .dropdown-content {
        position: static;
        box-shadow: none;
        background: #f5f7fa;
        margin-top: 0.5rem;
        border-radius: 6px;
        display: none;
        width: 100%;
    }
    .nav-links .dropdown.open .dropdown-content {
        display: block;
    }
    .mobile-contact-info {
        margin-top: 1.5rem;
        padding-top: 1rem;
        border-top: 1px solid #eee;
        width: 100%;
        font-size: 1.1rem;
        color: var(--dark);
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    .mobile-contact-info > div {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
}

/* Desktop Dropdown: open on click, not hover */
@media (min-width: 901px) {
    .nav-links {
        display: flex;
        align-items: center;
        position: static;
        height: auto;
        background: none;
        box-shadow: none;
        padding: 0;
        gap: 1rem;
    }
    .menu-btn, .close-menu-btn {
        display: none;
    }
    .nav-links > a,
    .nav-links > .dropdown {
        margin-right: 0;
    }
    .nav-links > a,
    .nav-links > .dropdown > a {
        white-space: nowrap;
    }
    .nav-links .dropdown-content {
        display: none;
        position: absolute;
        background: white;
        min-width: 180px;
        box-shadow: var(--shadow);
        z-index: 1001;
        border-radius: 6px;
        margin-top: 8px;
    }
    .nav-links .dropdown.open .dropdown-content {
        display: block;
    }
}

/* Remove background dimming */
.nav-links.active::before {
    display: none !important;
}

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

.hero-content {
    width: 100%;
    padding: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

/* Services Section */
#services {
    padding: 6rem 0;
    background: var(--light);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 1rem;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.service-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Why Us Section */
#why-us {
    padding: 6rem 0;
}

.why-us-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}

.why-us-list li {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}

.why-us-list li:before {
    content: "✓";
    color: var(--primary);
    margin-right: 1rem;
    font-weight: bold;
}

/* Contact Section */
#contact {
    padding: 6rem 0;
    background: var(--light);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

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

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

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

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

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Social Media Icons */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}
.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-light);
    color: white;
    font-size: 1.3rem;
    transition: var(--transition);
    text-decoration: none;
}
.social-links a:hover {
    background: var(--primary-dark);
    color: #fff;
}

/* Footer Contact Section */
.footer-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.footer-section .footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.footer-section .footer-contact-item i {
    color: var(--primary);
    font-size: 1.2rem;
}

/* Gallery Section */
#gallery {
    padding: 6rem 0;
    background: var(--light);
}
.gallery-title {
    text-align: center;
    margin-bottom: 2rem;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}
.gallery-item {
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

/* Hide menu-btn when sidebar is open */
.menu-btn.hide-when-open {
    display: none !important;
}

/* Sidebar overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(30, 41, 59, 0.5); /* dark blue, 50% opacity */
    z-index: 2000;
    transition: opacity 0.3s;
}
.sidebar-overlay.active {
    display: block;
}

/* Contact info in mobile menu */
.mobile-contact-info {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid #eee;
    width: 100%;
    font-size: 1.1rem;
    color: var(--dark);
}
.mobile-contact-info i {
    color: var(--primary);
    margin-right: 0.5rem;
}
.mobile-contact-info a {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Footer links always visible and accessible */
footer a, .footer-section a {
    color: #fff !important;
    text-decoration: underline;
    transition: color 0.2s;
}
footer a:hover, .footer-section a:hover {
    color: var(--primary-light) !important;
}

/* Simple Lightbox Overlay */
#lightbox-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(30,41,59,0.85);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
}
#lightbox-overlay.active {
    display: flex;
}
#lightbox-img {
    max-width: 90vw;
    max-height: 80vh;
    border-radius: 10px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.25);
}
#lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 3100;
    transition: color 0.2s;
}
#lightbox-close:hover {
    color: var(--primary-light);
}