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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Colors */
:root {
    --primary-blue: #0056b3;
    --secondary-yellow: #ffc107;
    --dark-grey: #222;
    --light-grey: #f4f4f4;
}

/* Header */
header {
    background: #fff;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-weight: 700;
    font-size: 24px;
    color: var(--primary-blue);
}

.logo span {
    color: var(--secondary-yellow);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark-grey);
    font-weight: 500;
    transition: 0.3s;
}

nav ul li a:hover {
    color: var(--primary-blue);
}

/* Buttons */
.btn-primary {
    background: var(--primary-blue);
    color: #fff;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}

.btn-secondary {
    background: var(--secondary-yellow);
    color: var(--dark-grey);
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}

/* Split Hero Section */
.split-hero {
    display: flex;
    min-height: 70vh;
    width: 100%;
}

.hero-half {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    text-align: center;
    position: relative;
}

/* Left Side: Blue Gradient */
.cleaning-side {
    background: linear-gradient(rgba(0, 86, 179, 0.85), rgba(0, 86, 179, 0.85)), 
                url('https://images.unsplash.com/photo-1581578731548-c64695cc6958?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: #fff;
}

/* Right Side: Dark Grey Gradient */
.maintenance-side {
    background: linear-gradient(rgba(34, 34, 34, 0.85), rgba(34, 34, 34, 0.85)), 
                url('https://images.unsplash.com/photo-1581141849291-1125c7b692b5?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: #fff;
}

.half-content {
    max-width: 450px;
    z-index: 2;
}

.half-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.half-content p {
    font-size: 18px;
    margin-bottom: 30px;
}

.maintenance-side .btn-secondary {
    background: var(--secondary-yellow);
    color: var(--dark-grey);
}

/* Core Services */
.services {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h3 {
    font-size: 32px;
    color: var(--primary-blue);
}

.line {
    width: 60px;
    height: 3px;
    background: var(--secondary-yellow);
    margin: 10px auto;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: 0.3s;
    border-bottom: 4px solid transparent;
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    border-bottom: 4px solid var(--secondary-yellow);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.service-card i {
    font-size: 40px;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.featured-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--secondary-yellow);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: bold;
}

/* Additional Services */
.additional-services {
    padding: 80px 0;
    background: #fff;
}

.add-service-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.add-service-item {
    background: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    width: calc(33.333% - 20px);
    min-width: 300px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.add-service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.add-service-img img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.add-service-content {
    padding: 25px;
    text-align: left;
}

.add-service-content h4 {
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 20px;
}

/* Invoicing Section */
.invoice-info {
    padding: 80px 0;
    background: var(--light-grey);
}

.invoice-box {
    background: #fff;
    padding: 50px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.payment-methods {
    list-style: none;
    margin-top: 20px;
}

.payment-methods li {
    margin-bottom: 10px;
    font-weight: 600;
}

.payment-methods i {
    color: var(--primary-blue);
    margin-right: 10px;
}

/* Footer */
footer {
    background: var(--dark-grey);
    color: #fff;
    padding: 40px 0;
    text-align: center;
}

.socials {
    margin-top: 20px;
}

.socials i {
    font-size: 20px;
    margin: 0 10px;
    color: #fff;
    transition: 0.3s;
}

.socials i:hover {
    color: var(--secondary-yellow);
}

/* Responsive */
@media (max-width: 992px) {
    .add-service-item {
        width: calc(50% - 15px);
    }
}

@media (max-width: 768px) {
    .split-hero {
        flex-direction: column;
    }
    
    .hero-half {
        min-height: 50vh;
        padding: 40px 20px;
    }
    
    .half-content h2 {
        font-size: 32px;
    }

    .add-service-item {
        width: 100%;
    }

    .invoice-box {
        flex-direction: column;
        text-align: center;
    }

    .invoice-cta {
        margin-top: 30px;
    }
}