/* ===== ELB CLEANING SERVICE - ORGANIZED STYLESHEET ===== */

/* === CSS VARIABLES & RESET === */
:root {
    /* Color System */
    --primary-color: #21283a;
    --secondary-color: #1a1f2e;
    --accent-color: #3498db;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --background-light: #f8f9fa;
    --white: #ffffff;
    
    /* Design Tokens */
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --container-max-width: 1200px;
}

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

/* === BASE STYLES === */
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    padding-top: 80px; /* Fixed header offset */
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* === LAYOUT COMPONENTS === */

/* Header & Navigation */
.main-header {
    background: var(--primary-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
}

/* Dropdown Navigation */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    list-style: none;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    color: var(--text-dark);
    display: block;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #eee;
}

.dropdown-menu a:hover {
    background: var(--background-light);
    color: var(--accent-color);
}

.dropdown-menu a.active {
    color: var(--accent-color);
    font-weight: 600;
}

.cta-button {
    background: var(--accent-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
}

.cta-button:hover {
    background: #2980b9;
    color: var(--white);
}

/* Mobile Menu Toggle Styles */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1000;
    position: relative;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: var(--transition);
    transform-origin: center;
}

/* Footer Styles */
.main-footer {
    background: var(--primary-color);
    color: var(--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 h3 {
    margin-bottom: 1rem;
    color: var(--white);
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Call Now Button */
.call-now-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--accent-color);
    color: var(--white);
    padding: 15px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow);
    transition: var(--transition);
    z-index: 999;
}

.call-now-button:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* === PAGE SECTIONS === */

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Services Section */
.services {
    padding: 3rem 0;
}

.section-header {
    text-align: center;
    margin: 4rem 0 3rem;
}

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

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* CTA Section */
.cta-section {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.cta-content h2 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 0;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* === COMPONENT STYLES === */

/* Grid Systems */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

/* Cards */
.service-card,
.blog-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.blog-image-placeholder {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
}

.blog-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-content h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    line-height: 1.4;
    flex-grow: 0;
}

.blog-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
}

.service-card {
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.blog-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover,
.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.service-card p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    flex-grow: 1;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

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

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

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

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

/* === UTILITY CLASSES === */

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }

/* Margin Utilities */
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* Animation Utilities */
.animate-in {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--primary-color);
        flex-direction: column;
        padding: 2rem;
        transition: var(--transition);
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--secondary-color);
        margin-top: 1rem;
    }
    
    .dropdown-menu a {
        color: var(--white);
        border-bottom-color: rgba(255,255,255,0.1);
    }
    
    .services-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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