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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #0F172A;
    background-color: #FFFFFF;
}

/* Color System */
:root {
    /* Primary Palette */
    --primary-900: #0F172A;
    --primary-700: #334155;
    --primary-500: #475569;
    
    /* Accent Palette */
    --accent-600: #C2410C;
    --accent-100: #FFEDD5;
    
    /* Neutral & Background */
    --page-bg: #FFFFFF;
    --surface-bg: #F8FAFC;
    --border-color: #E2E8F0;
    
    /* Semantic Colors */
    --success: #15803D;
    --error: #DC2626;
    
    /* Typography */
    --font-heading: 'DM Serif Display', serif;
    --font-body: 'Inter', sans-serif;
}

/* Container */
.h-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 15px 24px;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 16px;
}

h1 {
    font-size: 56px;
    line-height: 1.1;
}

h2 {
    font-size: 40px;
    line-height: 1.2;
}

h3 {
    font-size: 24px;
    font-family: var(--font-body);
    font-weight: 600;
    line-height: 1.3;
}

p {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 16px;
}

/* Buttons */
.cta-button {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 200ms ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
}

.cta-button.primary {
    background-color: var(--accent-600);
    color: white;
}

.cta-button.primary:hover {
    background-color: #A7350A;
    transform: translateY(-1px);
}

.cta-button.secondary {
    background-color: transparent;
    color: var(--primary-900);
    border: 2px solid var(--primary-900);
}

.cta-button.secondary:hover {
    background-color: var(--primary-900);
    color: white;
}

/* Header */
.header {
    background-color: var(--page-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 80px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo h1 {
    font-size: 24px;
    color: var(--primary-900);
    margin: 0;
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    color: var(--primary-700);
    text-decoration: none;
    transition: color 200ms ease;
}

.nav-link:hover {
    color: var(--accent-600);
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary-900);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--page-bg);
    border-bottom: 1px solid var(--border-color);
    z-index: 99;
}

.mobile-menu-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav-link {
    font-family: var(--font-body);
    font-size: 18px;
    color: var(--primary-700);
    text-decoration: none;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.mobile-cta {
    margin-top: 16px;
}

/* Top Bar */
.top-bar {
    background-color: var(--surface-bg);
    padding: 8px 0;
    font-size: 14px;
    color: var(--primary-500);
}

.top-bar-content {
    display: flex;
    justify-content: center;
    gap: 32px;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Hero Section */
.hero {
    padding: 96px 0;
    background-color: #FAF9F6;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-title {
    color: var(--primary-900);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--primary-500);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-points {
    margin-bottom: 40px;
}

.hero-point {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--primary-700);
}

.hero-point i {
    color: var(--success);
}

.hero-cta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 6px;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    color: var(--primary-900);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--primary-500);
}

/* About Section */
.about {
    padding: 96px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-description {
    font-size: 18px;
    color: var(--primary-700);
    margin-bottom: 24px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.highlight {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-700);
}

.highlight i {
    color: var(--accent-600);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 6px;
}

/* Services Section */
.services {
    padding: 96px 0;
    background-color: var(--surface-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(390px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: var(--page-bg);
    padding: 32px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: transform 300ms ease, box-shadow 300ms ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.03);
}

.service-icon {
    width: 64px;
    height: 64px;
    background-color: var(--accent-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon i {
    width: 32px;
    height: 32px;
    color: var(--accent-600);
}

.service-title {
    color: var(--primary-900);
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    color: var(--primary-700);
    font-size: 14px;
}

.service-list i {
    width: 16px;
    height: 16px;
    color: var(--success);
}

/* Why Choose Us Section */
.why-choose {
    padding: 96px 0;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.reason {
    text-align: center;
    padding: 32px 24px;
}

.reason i {
    width: 48px;
    height: 48px;
    color: var(--accent-600);
    margin-bottom: 16px;
}

.reason h3 {
    color: var(--primary-900);
}

.why-choose-cta {
    text-align: center;
}

/* Warranty Section */
.warranty {
    padding: 96px 0;
    background-color: var(--surface-bg);
}

.warranty-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.warranty-description {
    font-size: 18px;
    color: var(--primary-700);
    margin-bottom: 32px;
}

.warranty-coverage h3 {
    color: var(--primary-900);
    margin-bottom: 16px;
}

.warranty-coverage ul {
    list-style: none;
    margin-bottom: 32px;
}

.warranty-coverage li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--primary-700);
}

.warranty-coverage i {
    color: var(--success);
}

.warranty-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 6px;
}

/* Testimonials Section */
.testimonials {
    padding: 96px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial {
    background-color: var(--surface-bg);
    padding: 32px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content i {
    color: var(--accent-600);
    margin-bottom: 16px;
}

.testimonial-content p {
    font-style: italic;
    font-size: 18px;
    color: var(--primary-700);
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-900);
}

/* Contact Section */
.contact {
    padding: 96px 0;
    background-color: var(--surface-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 64px;
}

.contact-form-container {
    background-color: var(--page-bg);
    padding: 48px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    height: 52px;
    padding: 12px 16px;
    background-color: var(--page-bg);
    border: 1px solid #CBD5E1;
    border-radius: 6px;
    font-size: 16px;
    color: var(--primary-900);
    transition: border-color 200ms ease, box-shadow 200ms ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-600);
    box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.15);
}

.form-group textarea {
    height: auto;
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    height: auto;
    margin: 0;
}

.form-confirmation {
    display: none;
    text-align: center;
    padding: 32px;
    background-color: var(--success);
    color: white;
    border-radius: 6px;
}

.form-confirmation.show {
    display: block;
}

.form-confirmation i {
    margin-bottom: 16px;
}

/* Contact Info */
.contact-info {
    padding: 32px;
}

.contact-info h3 {
    color: var(--primary-900);
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item i {
    color: var(--accent-600);
    margin-top: 4px;
}

.contact-item strong {
    display: block;
    color: var(--primary-900);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--primary-700);
    margin: 0;
}

/* Footer */
.footer {
    background-color: var(--primary-900);
    color: white;
    padding: 64px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 20px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 16px;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: opacity 200ms ease;
}

.footer-section ul li a:hover {
    opacity: 1;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.footer-contact i {
    color: var(--accent-600);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Modals */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background-color: white;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: white;
    border-radius: 8px 8px 0 0;
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--primary-500);
}

.modal-content {
    padding: 24px;
}

.modal-scroll-content {
    max-height: 60vh;
    overflow-y: auto;
}

.modal-scroll-content h4 {
    color: var(--primary-900);
    margin: 24px 0 12px;
}

.modal-scroll-content p {
    color: var(--primary-700);
    margin-bottom: 16px;
}

/* Newsletter Form */
.newsletter-form {
    margin-top: 24px;
}

.newsletter-confirmation {
    display: none;
    text-align: center;
    padding: 32px;
    background-color: var(--success);
    color: white;
    border-radius: 6px;
}

.newsletter-confirmation.show {
    display: block;
}

.newsletter-confirmation i {
    margin-bottom: 16px;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    h1 {
        font-size: 48px;
    }
    
    h2 {
        font-size: 36px;
    }
    
    .hero-content,
    .about-content,
    .warranty-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .hero-image,
    .about-image,
    .warranty-image {
        order: -1;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .reasons-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .top-bar {
        display: none;
    }
    
    .hero {
        padding: 64px 0;
    }
    
    .about,
    .services,
    .why-choose,
    .warranty,
    .testimonials,
    .contact {
        padding: 64px 0;
    }
    
    .section-header {
        margin-bottom: 48px;
    }
    
    h1 {
        font-size: 40px;
    }
    
    h2 {
        font-size: 32px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .reasons-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 32px 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    .service-card,
    .testimonial,
    .reason {
        padding: 24px;
    }
    
    .modal {
        width: 95%;
        margin: 20px;
    }
    
    .modal-header,
    .modal-content {
        padding: 20px;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .modal-overlay,
    .mobile-menu {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
        background: white;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .service-card,
    .testimonial {
        page-break-inside: avoid;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-900: #000000;
        --primary-700: #000000;
        --primary-500: #333333;
        --accent-600: #CC0000;
        --border-color: #000000;
    }
    
    .service-card,
    .testimonial,
    .contact-form-container {
        border-width: 2px;
    }
}

/* Focus Styles for Accessibility */
.cta-button:focus,
.nav-link:focus,
input:focus,
select:focus,
textarea:focus,
.modal-close:focus {
    outline: 2px solid var(--accent-600);
    outline-offset: 2px;
}

/* Skip Link for Screen Readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-900);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1001;
}

.skip-link:focus {
    top: 6px;
}