/* ============================================
   Underfloor Heating Warrington - Stylesheet
   Mobile-first, Performance-optimized
   ============================================ */

/* CSS Custom Properties */
:root {
    --color-primary: #0A2E5C;
    --color-accent: #FF8A3D;
    --color-text: #1a1a1a;
    --color-text-light: #666;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-dark: #0a0a0a;
    --color-border: #e0e0e0;
    --color-success: #28a745;
    --color-error: #dc3545;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: 0.2s ease;
    
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

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

html {
    font-size: var(--font-size-base);
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

main {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Inter Font - Self-hosted WOFF2 */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url('../fonts/inter-var.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

ul, ol {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    box-sizing: border-box;
    position: relative;
}

/* Header & Navigation */
.header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.logo:hover {
    text-decoration: none;
}

.logo-image {
    height: 60px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-size: 1.125rem;
    line-height: 1.2;
}

.logo-location {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 600;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.nav-toggle span {
    width: 2rem;
    height: 2px;
    background: var(--color-primary);
    border-radius: 10px;
    transition: all var(--transition);
    transform-origin: 1px;
}

.nav-toggle[aria-expanded="true"] span:first-child {
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-bg);
    padding: 5rem var(--spacing-lg) var(--spacing-lg);
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    transition: right var(--transition);
    z-index: 999;
}

.nav-menu.active {
    right: 0;
}

.nav-menu li {
    margin-bottom: var(--spacing-md);
}

.nav-link {
    display: block;
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
    text-decoration: none;
}

.nav-link.nav-cta {
    background-color: var(--color-accent);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-sm);
    white-space: nowrap;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
    background-color: transparent;
    font-family: inherit;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: white;
    text-decoration: none;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    position: relative;
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 46, 92, 0.7) 0%, rgba(13, 58, 107, 0.6) 100%);
    z-index: 2;
}

.hero .container {
    position: relative;
    z-index: 3;
}

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

.hero-title {
    color: white;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.hero-cta .btn-secondary {
    background-color: white;
    color: var(--color-accent);
    border-color: white;
}

.hero-cta .btn-secondary:hover {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.hero-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: 0.9375rem;
}

.hero-feature-icon {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.25rem;
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0d3a6b 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.page-hero-title {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.page-hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Services Overview */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-flow: row;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.service-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    object-fit: cover;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-title {
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.service-features {
    margin-bottom: var(--spacing-md);
}

.service-features li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-light);
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* Benefits */
.benefits {
    background-color: var(--color-bg-light);
}

.benefits-list {
    max-width: 800px;
    margin: 0 auto;
}

.benefit-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.benefit-item:last-child {
    border-bottom: none;
}

.benefit-item strong {
    display: block;
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.benefit-item p {
    color: var(--color-text-light);
    margin: 0;
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.process-step {
    text-align: center;
    padding: var(--spacing-lg);
}

.process-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    object-fit: cover;
}

.process-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.process-title {
    margin-bottom: var(--spacing-xs);
}

.process-description {
    color: var(--color-text-light);
}

/* Testimonials */
.testimonials {
    background-color: var(--color-bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.testimonial {
    background: var(--color-bg);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: 0;
}

.testimonial-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--spacing-md);
    display: block;
    border: 3px solid var(--color-accent);
}

.testimonial-text {
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.testimonial-author span {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0d3a6b 100%);
    color: white;
    text-align: center;
}

.cta-title {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.cta-note {
    margin-top: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
}

.cta-phone {
    color: var(--color-accent);
    font-weight: 600;
}

.cta-phone:hover {
    color: white;
}

/* FAQ */
.faq {
    background-color: var(--color-bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    text-align: left;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    font-family: inherit;
    transition: background-color var(--transition);
}

.faq-question:hover {
    background-color: var(--color-bg-light);
}

.faq-question[aria-expanded="true"] {
    background-color: var(--color-bg-light);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
    transition: transform var(--transition);
    flex-shrink: 0;
    margin-left: var(--spacing-sm);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 var(--spacing-md);
}

.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 500px;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer p {
    color: var(--color-text-light);
    margin: 0;
    padding-top: var(--spacing-sm);
}

/* Service Detail Pages */
.service-detail {
    padding: var(--spacing-xl) 0;
}

.service-detail-alt {
    background-color: var(--color-bg-light);
}

.service-detail-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    object-fit: cover;
}

.service-detail-text {
    max-width: 800px;
    margin: 0 auto;
}

.subsection-title {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.feature-list {
    margin-bottom: var(--spacing-lg);
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-light);
}

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

.service-cta {
    margin-top: var(--spacing-xl);
}

/* About Page */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    object-fit: cover;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.value-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.value-title {
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--color-text-light);
    margin: 0;
}

.credentials-list {
    max-width: 800px;
    margin: 0 auto;
}

.credential-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.credential-item:last-child {
    border-bottom: none;
}

.credential-item strong {
    display: block;
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.credential-item p {
    color: var(--color-text-light);
    margin: 0;
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.contact-form-wrapper {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.contact-form {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    max-width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition);
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(255, 138, 61, 0.1);
}

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

.form-note {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
}

.contact-info {
    background: var(--color-bg-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
}

.contact-details {
    margin-bottom: var(--spacing-xl);
}

.contact-detail-item {
    margin-bottom: var(--spacing-lg);
}

.contact-detail-title {
    margin-bottom: var(--spacing-xs);
    font-size: 1.125rem;
}

.contact-link {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1.125rem;
}

.contact-link:hover {
    color: var(--color-primary);
}

.contact-detail-note {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.contact-benefits {
    background: var(--color-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.contact-benefits-title {
    margin-bottom: var(--spacing-md);
}

.contact-benefits-list {
    list-style: none;
}

.contact-benefits-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-light);
}

.contact-benefits-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: var(--spacing-xs);
}

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

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin: 0;
}

/* Additional Services */
.additional-services {
    background-color: var(--color-bg-light);
}

/* Responsive Design - Mobile adjustments */
@media (max-width: 767px) {
    :root {
        --container-padding: 0.75rem;
    }
    
    .hero {
        min-height: 500px;
        padding: var(--spacing-xl) 0;
    }
    
    .logo-image {
        height: 45px;
        max-width: 150px;
    }
    
    .contact-section {
        padding-left: 0;
        padding-right: 0;
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
    }
    
    .contact-section .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
        max-width: 100%;
        width: 100%;
    }
    
    .contact-grid {
        gap: var(--spacing-md);
        margin-top: var(--spacing-md);
        padding: 0;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-md) var(--spacing-sm);
        margin: 0;
        border-left: none;
        border-right: none;
        border-radius: 0;
    }
    
    .contact-form {
        width: 100%;
        max-width: 100%;
    }
    
    .form-group {
        margin-bottom: var(--spacing-sm);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents iOS zoom on focus */
        width: 100%;
        max-width: 100%;
        padding: 0.75rem;
    }
    
    .contact-info {
        padding: var(--spacing-md) var(--spacing-sm);
        border-radius: 0;
    }
    
    .btn-large {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Responsive Design - Tablet and Up */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
    }
    
    .hero {
        min-height: 600px;
    }
    
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        flex-direction: row;
        width: auto;
        height: auto;
        background: transparent;
        padding: 0;
        box-shadow: none;
        gap: var(--spacing-lg);
    }
    
    .nav-menu li {
        margin-bottom: 0;
    }
    
    .nav-link.nav-cta {
        margin-top: 0;
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero-features {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1.5fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Responsive Design - Desktop */
@media (min-width: 1024px) {
    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

/* Print Styles */
@media print {
    .header,
    .footer,
    .nav-toggle,
    .btn,
    .cta-section {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
}