/* ============================================
   PureClean Pro - Professional Cleaning Services
   Responsive CSS with Modern Design
   ============================================ */

/* CSS Variables for Theming */
:root {
    --primary-color: #2ecc71;
    --primary-dark: #27ae60;
    --secondary-color: #3498db;
    --accent-color: #f39c12;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #ecf0f1;
    --bg-white: #ffffff;
    --border-color: #bdc3c7;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* ============================================
   Global Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

strong {
    color: var(--text-dark);
    font-weight: 700;
}

em {
    font-style: italic;
}

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

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ============================================
   Container & Layout
   ============================================ */

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

section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 1.5rem;
    color: var(--text-dark);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    color: var(--text-dark);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 1rem 20px;
    gap: 2rem;
}

.navbar-brand {
    flex: 0 0 auto;
}

.navbar-spacer {
    flex: 1;
}

.logo {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 800;
}

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

.tagline {
    font-size: 0.75rem;
    color: var(--text-light);
    margin: 0;
    letter-spacing: 1px;
}

.navbar-phone {
    display: flex;
    align-items: center;
    margin-left: auto;
    margin-right: 1rem;
    order: 2;
}

.navbar-phone a {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
}

.navbar-phone a:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
    margin-left: auto;
    order: 3;
}

.nav-menu li {
    position: relative;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    display: block;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.cta-link {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
}

.nav-link.cta-link:hover {
    background: var(--primary-dark);
    text-decoration: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    background: none;
    border: none;
    padding: 0;
    z-index: 1001;
    margin-left: auto;
    order: 4;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Dropdown Menu Styles */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem 0;
}

.dropdown-toggle::after {
    content: '▼';
    font-size: 0.6rem;
    transition: var(--transition);
}

.dropdown-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    min-width: 250px;
    list-style: none;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
    margin-top: 0.5rem;
}

.nav-dropdown:hover .dropdown-menu,
.dropdown-toggle[aria-expanded="true"] + .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 2rem;
}

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-section h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-section p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
}

/* ============================================
   Services Section
   ============================================ */

.services-section {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    list-style: none;
}

.service-card {
    background: var(--bg-light);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.service-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--text-dark);
}

.service-card h3 a {
    color: var(--text-dark);
}

.service-card h3 a:hover {
    color: var(--primary-color);
}

.service-card p {
    padding: 0 1.5rem;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.card-link {
    display: inline-block;
    padding: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}

.card-link:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

/* ============================================
   Service Overview
   ============================================ */

.service-overview {
    background: white;
    padding: 60px 0;
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.service-image {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.overview-text h2 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.overview-text h3 {
    color: var(--text-dark);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.benefits-list {
    list-style: none;
    padding: 0;
}

.benefits-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-dark);
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ============================================
   Why Choose Us
   ============================================ */

.why-choose-us {
    background: var(--bg-light);
    padding: 60px 0;
}

.why-choose-us h2 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

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

.feature {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature p {
    color: var(--text-dark);
    font-size: 0.95rem;
}

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials-section {
    background: white;
    padding: 60px 0;
}

.testimonials-section h2 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.testimonial p {
    color: var(--text-dark);
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial strong {
    color: var(--text-dark);
    display: block;
    margin-top: 1rem;
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.cta-section h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    text-decoration: none;
}

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

.btn-secondary:hover {
    background: #2980b9;
    text-decoration: none;
}

/* ============================================
   Forms
   ============================================ */

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-dark);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-info {
    font-style: normal;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   Skip Link
   ============================================ */

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        box-shadow: var(--shadow);
        z-index: 999;
        padding: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link {
        display: block;
        padding: 1rem;
        color: var(--text-dark);
    }

    .nav-link::after {
        display: none;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--bg-light);
        margin-top: 0;
    }

    .dropdown-item {
        padding: 0.75rem 1.5rem 0.75rem 2.5rem;
        color: var(--text-dark);
    }

    .hamburger {
        display: flex;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .overview-content {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .hero-section {
        padding: 40px 0;
    }

    .hero-section h1 {
        font-size: 1.5rem;
    }

    .hero-section p {
        font-size: 0.9rem;
    }

    section {
        padding: 40px 0;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}