/* Base Variables */
:root {
    --primary-color: #f39c12; /* Construction Orange/Yellow */
    --primary-dark: #d35400;
    --secondary-color: #2c3e50; /* Dark Blue/Grey */
    --text-color: #333333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --border-color: #e9ecef;
    --whatsapp-green: #25D366;
    --whatsapp-dark: #128C7E;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

/* Reset & Basics */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

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

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
}

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

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

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

.btn-secondary:hover {
    background-color: #1a252f;
}

/* Header & Nav */
.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.top-bar {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.9rem;
}

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

.contact-info a {
    color: var(--white);
    margin-right: 20px;
}

.contact-info i {
    margin-right: 5px;
    color: var(--primary-color);
}

.social-links a {
    color: var(--white);
    margin-left: 15px;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px;
}

.logo h2 {
    color: var(--secondary-color);
    font-size: 24px;
    font-weight: 800;
}

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

.main-nav ul {
    display: flex;
    align-items: center;
}

.main-nav > ul > li {
    margin-left: 30px;
    position: relative;
}

.main-nav > ul > li > a {
    font-weight: 500;
    color: var(--secondary-color);
    padding: 10px 0;
}

.main-nav > ul > li > a.active,
.main-nav > ul > li > a:hover {
    color: var(--primary-color);
}

/* Dropdown */
.has-dropdown .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    display: none;
    border-top: 3px solid var(--primary-color);
    padding: 10px 0;
}

.has-dropdown:hover .dropdown {
    display: block;
}

.dropdown li {
    display: block;
    margin: 0;
}

.dropdown li a {
    padding: 10px 20px;
    display: block;
    color: var(--text-color);
}

.dropdown li a:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

.header-cta {
    margin-left: 20px;
    padding: 10px 20px;
    display: inline-flex;
    align-items: center;
    background-color: var(--whatsapp-green);
}

.header-cta i {
    margin-right: 8px;
    font-size: 1.2rem;
}

.header-cta:hover {
    background-color: var(--whatsapp-dark);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--secondary-color);
    cursor: pointer;
}

/* Main Content Wrapper */
.page-header {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
    background-image: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('../img/header-bg.jpg'); /* Needs placeholder */
    background-size: cover;
    background-position: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.breadcrumb {
    color: #bdc3c7;
}

.breadcrumb a {
    color: var(--white);
}

/* Section Common */
.section-padding {
    padding: 80px 0;
}

/* Footer */
.site-footer {
    background-color: var(--secondary-color);
    color: #bdc3c7;
}

.footer-top {
    padding: 80px 0;
}

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

.footer-widget h3 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 15px;
}

.footer-widget h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-widget ul li {
    margin-bottom: 12px;
}

.footer-widget ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-widget i {
    color: var(--primary-color);
    margin-right: 10px;
    width: 20px;
}

.footer-bottom {
    background-color: #1a252f;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--whatsapp-green);
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: var(--whatsapp-dark);
    transform: scale(1.1);
    color: #fff;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background-color: #333;
    color: #fff;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent transparent #333;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

/* Service Card (Shared) */
.service-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.service-img {
    height: 200px;
    background-color: #ddd; /* Placeholder */
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

.service-content {
    padding: 25px;
}

.service-content h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.read-more-btn {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 600;
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100%;
        background-color: var(--white);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        z-index: 1001;
        transition: right 0.3s ease;
        padding-top: 60px;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .main-nav > ul > li {
        width: 100%;
        margin: 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .main-nav > ul > li > a {
        padding: 15px 25px;
        display: block;
    }
    
    .has-dropdown .dropdown {
        position: static;
        box-shadow: none;
        display: none;
        background-color: #f8f9fa;
        min-width: 100%;
        border-top: none;
    }
    
    .has-dropdown.active .dropdown {
        display: block;
    }

    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0,0,0,0.5);
        z-index: 1000;
        display: none;
    }
    
    .mobile-menu-overlay.active {
        display: block;
    }
    
    .header-cta {
        margin: 20px 25px;
        width: calc(100% - 50px);
        justify-content: center;
    }

    .hide-mobile {
        display: none;
    }
}