/* ===================================
   Window Washing - Professional Styles
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --background-light: #f9fafb;
    --background-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

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

h1 {
    font-size: 3rem;
    font-weight: 800;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.875rem;
}

h4 {
    font-size: 1.5rem;
}

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

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

a:hover {
    color: var(--secondary-color);
}

/* Header & Navigation */
.header {
    background: var(--background-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

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

.nav-menu a {
    font-weight: 500;
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.nav-menu a:hover {
    background: var(--background-light);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-content h1 {
    color: white;
    margin-bottom: 1rem;
    font-size: 3.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.95);
}

.hero-description {
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.stat i {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.9);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

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

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background: var(--background-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

/* Products Overview */
.products-overview {
    padding: 6rem 0;
}

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

.category-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.category-card p {
    color: var(--text-light);
}

/* Featured Products */
.featured-products {
    padding: 6rem 0;
    background: var(--background-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--background-white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.product-image {
    position: relative;
    overflow: hidden;
    background: var(--background-light);
}

.product-image img {
    width: 100%;
    height: 300px;
    object-fit: contain;
    padding: 1.5rem;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.product-info p {
    font-size: 0.9375rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.product-features {
    list-style: none;
    padding: 0;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    color: var(--text-light);
}

.product-features i {
    color: var(--success-color);
    font-size: 0.875rem;
}

/* Comparison Tables */
.comparison-section {
    padding: 6rem 0;
}

.table-container {
    margin-bottom: 4rem;
    overflow-x: auto;
    background: var(--background-white);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.table-title {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1.5rem;
    border-radius: 1rem 1rem 0 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table thead {
    background: var(--background-light);
}

.comparison-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-dark);
    border-bottom: 2px solid var(--border-color);
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
}

.comparison-table tbody tr:hover {
    background: var(--background-light);
}

.comparison-table strong {
    color: var(--text-dark);
}

.suitable {
    color: var(--success-color);
    font-weight: 600;
}

.moderate {
    color: var(--warning-color);
    font-weight: 600;
}

/* Applications Section */
.applications-section {
    padding: 6rem 0;
    background: var(--background-light);
}

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

.application-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.app-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.app-icon i {
    font-size: 3.5rem;
    color: var(--primary-color);
}

.application-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.application-card p {
    margin-bottom: 1rem;
}

.app-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.app-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.app-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.app-equipment {
    background: var(--background-light);
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-color);
    margin-top: 1rem;
}

/* Coverage Section */
.coverage-section {
    padding: 6rem 0;
}

.coverage-content {
    max-width: 1200px;
    margin: 0 auto;
}

.coverage-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.coverage-text > p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 3rem;
}

.regions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.region-card {
    background: var(--background-light);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
}

.region-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.region-card h4 i {
    color: var(--primary-color);
}

.region-card p {
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
}

.delivery-features {
    margin-top: 4rem;
}

.delivery-features h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

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

.feature-item {
    text-align: center;
    padding: 2rem;
    background: var(--background-light);
    border-radius: 1rem;
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--background-white);
    box-shadow: var(--shadow-lg);
}

.feature-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-item p {
    font-size: 0.9375rem;
}

/* Press Section */
.press-section {
    padding: 6rem 0;
    background: var(--background-light);
}

.press-intro {
    max-width: 900px;
    margin: 0 auto 4rem;
    text-align: center;
}

.press-intro p {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.press-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.press-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    gap: 1.5rem;
}

.press-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-3px);
}

.press-icon {
    flex-shrink: 0;
}

.press-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.press-content {
    flex: 1;
}

.press-source {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.press-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.press-content h3 a {
    color: var(--text-dark);
    transition: var(--transition);
}

.press-content h3 a:hover {
    color: var(--primary-color);
}

.press-content p {
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

.press-topics {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
}

.press-summary {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--background-white);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

.press-summary h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.press-summary > p {
    font-size: 1.0625rem;
    margin-bottom: 1.5rem;
}

.summary-list {
    list-style: none;
    padding-left: 0;
}

.summary-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
}

.summary-list li:last-child {
    border-bottom: none;
}

.summary-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
    font-size: 1.25rem;
}

/* Entities Section */
.entities-section {
    padding: 6rem 0;
}

.entities-content {
    max-width: 1200px;
    margin: 0 auto;
}

.entity-category {
    margin-bottom: 4rem;
}

.entity-category h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.entity-category h3 i {
    color: var(--primary-color);
}

.entity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.entity-item {
    background: var(--background-light);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.entity-item:hover {
    background: var(--background-white);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.entity-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.entity-item p {
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

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

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--transition);
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--background-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

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

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

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

.footer-section ul li a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero-content h1 {
        font-size: 2.75rem;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero {
        padding: 4rem 0;
    }

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

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .products-grid,
    .applications-grid,
    .press-grid {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem 0.5rem;
    }

    .press-card {
        flex-direction: column;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

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

    h1 {
        font-size: 1.75rem;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .logo img {
        height: 40px;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .product-image img {
        height: 250px;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero,
    .cta-section,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    .comparison-table {
        page-break-inside: avoid;
    }
}