/* Open Property Management - Styles */

/* Font loading optimization */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Inter'), local('Inter-Regular');
}

/* CSS Custom Properties (Variables) */
:root {
    /* Colors - WCAG AA compliant */
    --primary-blue: #004682;
    --light-blue: #1e5a96;
    --dark-blue: #003366;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --dark-gray: #1e293b;
    /* Improved contrast ratio */
    --text-gray: #475569;
    /* Improved contrast ratio */
    --border-gray: #e2e8f0;
    --error-red: #dc2626;
    --success-green: #16a34a;
    --focus-blue: #0056b3;
    /* High contrast focus color */

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --container-max-width: 1200px;
    --header-height: 90px;
    --touch-target-min: 44px;
    --touch-target-comfortable: 48px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
}

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

/* Remove any potential blue lines or borders */
*,
*::before,
*::after {
    border: none !important;
    outline: none !important;
}

/* Restore necessary borders for form elements */
.form-input,
.form-textarea {
    border: 2px solid var(--border-gray) !important;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--primary-blue) !important;
}

/* Fallback for older browsers */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    /* Fallback for browsers that don't support scroll-behavior */
    -webkit-scroll-behavior: smooth;
    -moz-scroll-behavior: smooth;
    -ms-scroll-behavior: smooth;
    border: none;
    outline: none;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    /* Cross-browser font rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    border: none;
    outline: none;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

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

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

a:hover {
    color: var(--dark-blue);
}

/* Buttons */
.cta-button,
.submit-button {
    display: inline-block;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: 6px;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.cta-button:hover,
.submit-button:hover {
    background-color: var(--dark-blue);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.cta-button:active,
.submit-button:active {
    transform: translateY(0);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    height: var(--header-height);
    border: none;
    outline: none;
}

.nav {
    height: 100%;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    border: none;
    outline: none;
}

.nav-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.nav-logo .logo-image {
    height: 60px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
}

.nav-logo .logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-blue);
}

/* Hide text on smaller screens to save space */
@media (max-width: 480px) {
    .nav-logo .logo-text {
        display: none;
    }

    .nav-logo .logo-image {
        height: 50px;
        max-width: 200px;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    border: none;
    outline: none;
}

.nav-link {
    font-weight: 500;
    color: var(--dark-gray);
    transition: all var(--transition-normal);
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-blue);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
    opacity: 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
    background-color: rgba(0, 115, 230, 0.05);
}

.nav-link:hover::after {
    width: 80%;
    opacity: 1;
}

.nav-link:active {
    transform: scale(0.98);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    margin: 2px 0;
    transition: all var(--transition-fast);
}

/* Main Content */
.main {
    margin-top: 30px;
}

/* Hero Carousel Section */
.hero-carousel {
    height: 100vh;
    min-height: 600px;
    position: relative;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.carousel-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: var(--container-max-width);
    padding: 0 var(--spacing-md);
    background: rgba(0, 0, 0, 0.4);
    border-radius: 12px;
    padding: var(--spacing-3xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 1s ease-out;
    opacity: 0;
    animation-fill-mode: forwards;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 1s ease-out 0.2s both;
    transition: opacity 0.6s ease-out;
}

.hero .cta-button {
    background-color: var(--white);
    color: var(--primary-blue);
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-normal);
    animation: fadeInUp 1s ease-out 0.4s both;
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation-fill-mode: forwards;
}

.hero .cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.hero .cta-button:hover {
    background-color: var(--light-gray);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.hero .cta-button:hover::before {
    left: 100%;
}

/* Carousel Navigation */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    z-index: 3;
    pointer-events: none;
}

.carousel-prev,
.carousel-next {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-normal);
    pointer-events: all;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.carousel-prev:active,
.carousel-next:active {
    transform: scale(0.95);
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-md);
    z-index: 3;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.carousel-indicator.active,
.carousel-indicator:hover {
    background: var(--white);
    border-color: var(--white);
}

/* Hero content styling within carousel */
.carousel-content .hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    opacity: 1;
    animation-fill-mode: forwards;
}

.carousel-content .hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 1;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    transition: opacity 0.6s ease-out;
}

.carousel-content .cta-button {
    background-color: var(--white);
    color: var(--primary-blue);
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    opacity: 1;
    animation-fill-mode: forwards;
}

.carousel-content .cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.carousel-content .cta-button:hover {
    background-color: var(--light-gray);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.carousel-content .cta-button:hover::before {
    left: 100%;
}

.carousel-content .cta-button:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Section Styles */
section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background-color: var(--light-gray);
}

.services-grid {
    /* Flexbox fallback for older browsers */
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    justify-content: center;

    /* CSS Grid for modern browsers */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

/* Fallback for browsers without gap support */
@supports not (gap: 1rem) {
    .services-grid {
        margin: calc(-1 * var(--spacing-xl) / 2);
    }

    .service-card {
        margin: calc(var(--spacing-xl) / 2);
        flex: 1 1 300px;
        max-width: calc(33.333% - var(--spacing-xl));
    }
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    /* Vendor prefixes for transitions */
    -webkit-transition: all var(--transition-normal);
    -moz-transition: all var(--transition-normal);
    -ms-transition: all var(--transition-normal);
    -o-transition: all var(--transition-normal);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    opacity: 0;
    /* Vendor prefixes for transforms */
    -webkit-transform: translateY(20px);
    -moz-transform: translateY(20px);
    -ms-transform: translateY(20px);
    -o-transform: translateY(20px);
    transform: translateY(20px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 115, 230, 0.1), transparent);
    transition: left 0.6s ease-in-out;
}

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

.service-card:hover::before {
    left: 100%;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    animation: pulse 2s infinite;
}

.service-card:hover .service-title {
    color: var(--primary-blue);
}

.service-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: var(--white);
    border-radius: 50%;
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--light-blue), var(--primary-blue));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover .service-icon::before {
    opacity: 1;
}

.service-icon svg {
    position: relative;
    z-index: 1;
    transition: transform var(--transition-normal);
}

.service-title {
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--text-gray);
    line-height: 1.7;
}

/* About Section */
.about-content {
    /* Flexbox fallback */
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-3xl);

    /* CSS Grid for modern browsers - mobile first (single column) */
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

/* Fallback for flexbox layout */
@supports not (display: grid) {
    .about-content>* {
        flex: 1 1 45%;
        min-width: 300px;
    }
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.about-highlights {
    margin-top: var(--spacing-xl);
}

.highlight-item {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-lg);
}

.highlight-item strong {
    color: var(--dark-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.highlight-item span {
    color: var(--text-gray);
    font-size: var(--font-size-sm);
}

.about-image img {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-height: 500px !important;
    object-fit: contain !important;
    border-radius: 12px !important;
    box-shadow: var(--shadow-lg) !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* Contact Section */
.contact {
    background-color: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
}

/* Form Styles */
.contact-form {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

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

.form-label {
    display: block;
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-gray);
    border-radius: 6px;
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-normal);
    min-height: 48px;
    /* Ensure minimum touch target size */
    position: relative;
    background-color: var(--white);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgb(0 115 230 / 0.1);
    transform: translateY(-2px);
}

.form-input:hover:not(:focus),
.form-textarea:hover:not(:focus) {
    border-color: var(--light-blue);
    transform: translateY(-1px);
}

/* Floating label effect */
.form-group {
    position: relative;
}

.form-label {
    transition: all var(--transition-normal);
    pointer-events: none;
}

.form-input:focus+.form-label,
.form-textarea:focus+.form-label,
.form-input:not(:placeholder-shown)+.form-label,
.form-textarea:not(:placeholder-shown)+.form-label {
    transform: translateY(-2px);
    color: var(--primary-blue);
    font-weight: 500;
}

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

.error-message {
    display: block;
    color: var(--error-red);
    font-size: var(--font-size-sm);
    font-weight: 500;
    /* Improved readability */
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
}

.form-success {
    display: none;
    background-color: #dcfce7;
    border: 2px solid var(--success-green);
    color: #15803d;
    /* Maintains good contrast on light green background */
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
}

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

.form-success h3 {
    color: #15803d;
    /* Maintains good contrast */
    font-weight: 600;
    /* Improved readability */
    margin-bottom: var(--spacing-sm);
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.contact-item h3 {
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-detail {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-detail strong {
    color: var(--dark-gray);
    font-weight: 500;
}

.emergency-contact {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.emergency-phone {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-blue);
    white-space: nowrap;
}

/* Footer */
.footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-sm);
    margin-top: 0;
}

.footer-bottom p {
    margin: 0;
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--white);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--white);
}

/* Mobile-First Responsive Design */

/* Base styles are mobile-first (320px and up) */

/* Small mobile devices (375px and up) */
@media (min-width: 375px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .service-card,
    .contact-form,
    .contact-item {
        padding: var(--spacing-xl);
    }
}

/* Large mobile devices (480px and up) */
@media (min-width: 480px) {
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .cta-button,
    .submit-button {
        width: auto;
        display: inline-block;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

/* Tablets (768px and up) */
@media (min-width: 768px) {

    /* Navigation - Desktop layout */
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background-color: transparent;
        flex-direction: row;
        justify-content: flex-end;
        align-items: center;
        padding-top: 0;
        transition: none;
        box-shadow: none;
    }

    .nav-toggle {
        display: none;
    }

    /* Hero Section */
    .hero {
        min-height: 100vh;
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-2xl);
    }

    .hero .cta-button {
        font-size: var(--font-size-lg);
        padding: var(--spacing-lg) var(--spacing-2xl);
    }

    /* Typography */
    h2 {
        font-size: var(--font-size-4xl);
    }

    /* Sections */
    section {
        padding: var(--spacing-3xl) 0;
    }

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

    /* About section - two column layout */
    .about-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
    }

    .about-image img {
        height: 400px;
    }

    /* Footer */
    .footer-content {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        text-align: center;
        gap: var(--spacing-xl);
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .footer-links {
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        text-align: center;
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    section {
        padding: var(--spacing-4xl) 0;
    }

    .about-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
    }

    .contact-content {
        grid-template-columns: 2fr 1fr;
        gap: var(--spacing-3xl);
    }
}

/* Large desktop (1200px and up) */
@media (min-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile-specific styles (max-width approach for mobile menu) */
@media (max-width: 767px) {

    /* Mobile Navigation */
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-2xl);
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
        z-index: 999;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        /* Smooth scrolling on iOS */
    }

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

    /* Add backdrop blur effect for modern browsers */
    .nav-menu::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        z-index: -1;
    }

    .nav-toggle {
        display: flex;
        /* Ensure minimum touch target size */
        min-width: 44px;
        min-height: 44px;
        padding: var(--spacing-sm);
    }

    .nav-toggle.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* Mobile navigation links - ensure proper touch targets */
    .nav-item {
        width: 100%;
        text-align: center;
        margin-bottom: var(--spacing-sm);
    }

    .nav-link {
        display: block;
        padding: var(--spacing-lg) var(--spacing-xl);
        min-height: var(--touch-target-comfortable);
        line-height: 1.2;
        font-size: var(--font-size-lg);
        border-radius: 6px;
        margin: 0 var(--spacing-md);
        transition: background-color var(--transition-fast);
    }

    .nav-link:hover,
    .nav-link:focus,
    .nav-link:active {
        background-color: var(--light-gray);
    }

    /* Touch feedback for mobile navigation */
    .nav-link:active {
        background-color: var(--primary-blue);
        color: var(--white);
        transform: scale(0.98);
    }

    /* Mobile carousel adjustments */
    .carousel-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }

    .carousel-content .hero-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-md);
    }

    .carousel-content .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-lg);
    }

    .carousel-nav {
        padding: 0 var(--spacing-sm);
    }

    .carousel-prev,
    .carousel-next {
        width: 40px;
        height: 40px;
    }

    .carousel-indicators {
        bottom: var(--spacing-md);
    }

    h2 {
        font-size: var(--font-size-3xl);
    }

    /* Mobile sections */
    section {
        padding: var(--spacing-2xl) 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    /* Mobile buttons - ensure proper touch targets */
    .cta-button,
    .submit-button {
        width: 100%;
        text-align: center;
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    /* Mobile footer improvements */
    .footer {
        padding: var(--spacing-lg) 0;
    }
    
    .footer-content {
        gap: var(--spacing-lg);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    .footer-links a {
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 4px;
        transition: background-color var(--transition-fast);
    }
    
    .footer-links a:hover,
    .footer-links a:focus {
        background-color: rgba(255, 255, 255, 0.1);
    }
}

/* Extra small devices (max-width: 374px) */
@media (max-width: 374px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .service-card,
    .contact-form,
    .contact-item {
        padding: var(--spacing-lg);
    }

    .nav-logo .logo-text {
        font-size: var(--font-size-lg);
    }
}

/* Accessibility */

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Show screen reader content when focused */
.sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

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

    html {
        scroll-behavior: auto;
    }
}

/* Enhanced Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
[tabindex]:focus {
    outline: 3px solid var(--focus-blue);
    outline-offset: 2px;
    box-shadow: 0 0 0 1px var(--white), 0 0 0 4px var(--focus-blue);
}

/* Ensure focus is visible in all contexts */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--focus-blue);
    outline-offset: 2px;
}

/* Focus styles for specific interactive elements */
.nav-link:focus {
    background-color: var(--light-gray);
    border-radius: 4px;
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

.cta-button:focus,
.submit-button:focus {
    outline: 3px solid var(--white);
    outline-offset: 2px;
    box-shadow: 0 0 0 1px var(--primary-blue), 0 0 0 4px var(--white);
}

.nav-toggle:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
    background-color: var(--light-gray);
    border-radius: 4px;
}

/* Focus within form elements */
.form-input:focus,
.form-textarea:focus {
    border-color: var(--focus-blue);
    box-shadow: 0 0 0 1px var(--focus-blue), 0 0 0 3px rgba(0, 102, 204, 0.15);
    outline: none;
}

/* Error state for form inputs */
.form-input.error,
.form-textarea.error {
    border-color: var(--error-red);
    box-shadow: 0 0 0 1px var(--error-red), 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-input.error:focus,
.form-textarea.error:focus {
    border-color: var(--error-red);
    box-shadow: 0 0 0 1px var(--error-red), 0 0 0 3px rgba(220, 38, 38, 0.15);
    outline: 2px solid var(--error-red);
    outline-offset: 2px;
}

/* Valid state for form inputs */
.form-input:valid:not(:placeholder-shown),
.form-textarea:valid:not(:placeholder-shown) {
    border-color: var(--success-green);
}

/* Required field indicator */
.form-label::after {
    content: '';
}

.form-label[for="name"]::after,
.form-label[for="email"]::after,
.form-label[for="message"]::after {
    content: ' *';
    color: var(--error-red);
    font-weight: bold;
    margin-left: 2px;
}

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -100px;
    left: 6px;
    background: var(--primary-blue);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
}

.skip-link:focus {
    top: 6px;
    outline: 3px solid var(--white);
    outline-offset: 2px;
    opacity: 1;
    visibility: visible;
}

/* Ensure interactive elements have proper focus order */
.service-card:focus-within {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: 12px;
}

/* Focus trap for mobile menu - handled in JavaScript */

/* High contrast focus indicators */
@media (prefers-contrast: high) {

    a:focus,
    button:focus,
    input:focus,
    textarea:focus,
    [tabindex]:focus {
        outline: 4px solid;
        outline-color: Highlight;
        outline-offset: 2px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {

    /* Increase touch targets on touch devices */
    .nav-link,
    .cta-button,
    .submit-button,
    .contact-detail a {
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Remove hover effects on touch devices */
    .service-card:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }

    .cta-button:hover,
    .submit-button:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }
}

/* Ensure minimum touch target sizes */
.nav-link,
.footer-links a,
.contact-detail a,
.emergency-phone {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

/* Special handling for inline links in contact details */
.contact-detail a {
    justify-content: flex-start;
    width: auto;
    min-width: auto;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-blue: #003d5c;
        --light-blue: #004682;
        --dark-blue: #002d5c;
        --text-gray: #1a202c;
        /* Higher contrast */
        --dark-gray: #000000;
        /* Maximum contrast */
        --border-gray: #4a5568;
        /* More visible borders */
        --focus-blue: #002d5c;
        /* Higher contrast focus */
    }

    /* Ensure borders are visible in high contrast */
    .service-card,
    .contact-form,
    .contact-item {
        border: 2px solid var(--border-gray);
    }

    /* Enhance button contrast */
    .cta-button,
    .submit-button {
        border: 2px solid var(--dark-blue);
    }

    /* Enhance form input contrast */
    .form-input,
    .form-textarea {
        border: 2px solid var(--dark-gray);
    }
}

/* Image optimization and loading */
img {
    max-width: 100%;
    height: auto;
}

/* Lazy loading placeholder */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Image loading states */
.about-image {
    position: relative;
    overflow: hidden;
    display: block;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* Enhanced Animations and Micro-interactions */

/* Fade in animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Pulse animation for CTA buttons */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 115, 230, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(0, 115, 230, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 115, 230, 0);
    }
}

/* Typing animation for hero title */
@keyframes typing {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes blink {

    0%,
    50% {
        border-color: transparent;
    }

    51%,
    100% {
        border-color: var(--white);
    }
}

/* Floating animation */
@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Slide animations for sections */
.animate-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
}

.animate-scale {
    animation: scaleIn 0.6s ease-out forwards;
}

/* Disable animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {

    .hero-title,
    .hero-subtitle,
    .hero .cta-button {
        animation: none;
    }
}

/* Cross-browser fallbacks for browsers without custom property support */
.no-custom-properties .hero {
    background: linear-gradient(135deg, #004682 0%, #1e5a96 100%);
}

.no-custom-properties .cta-button,
.no-custom-properties .submit-button {
    background-color: #004682;
    color: #ffffff;
}

.no-custom-properties .nav-link:hover,
.no-custom-properties .nav-link.active {
    color: #004682;
}

.no-custom-properties .service-icon {
    background-color: #004682;
}

.no-custom-properties .form-input:focus,
.no-custom-properties .form-textarea:focus {
    border-color: #004682;
}

/* Flexbox fallbacks for browsers without CSS Grid */
.no-grid .services-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.no-grid .service-card {
    flex: 1 1 300px;
    max-width: 400px;
    margin: 1rem;
}

.no-grid .about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.no-grid .about-text,
.no-grid .about-image {
    flex: 1 1 45%;
    min-width: 300px;
}

.no-grid .contact-content {
    display: flex;
    flex-wrap: wrap;
}

.no-grid .contact-form-container {
    flex: 2 1 60%;
    min-width: 300px;
}

.no-grid .contact-info {
    flex: 1 1 35%;
    min-width: 250px;
}

/* Ensure sufficient color contrast for all text elements */
.hero-subtitle {
    color: rgba(255, 255, 255, 0.95);
    /* Maintains good contrast on blue background */
}

.section-subtitle {
    color: var(--text-gray);
    /* Already has good contrast ratio */
}

.service-description,
.about-description {
    color: var(--text-gray);
    /* Improved contrast ratio */
}

/* Ensure link colors have sufficient contrast */
a {
    color: var(--primary-blue);
}

a:hover {
    color: var(--dark-blue);
}

a:visited {
    color: var(--dark-blue);
}

/* Ensure button text has sufficient contrast */
.cta-button,
.submit-button {
    color: var(--white);
    font-weight: 500;
    /* Improved readability */
}

.hero .cta-button {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Ensure form placeholder text has sufficient contrast */
.form-input::placeholder,
.form-textarea::placeholder {
    color: #6b7280;
    /* Improved contrast while maintaining placeholder appearance */
    opacity: 1;
}

/* Ensure emergency phone number has good contrast */
.emergency-phone {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Ensure footer text has sufficient contrast */
.footer {
    background-color: var(--dark-blue);
    color: var(--white);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
}

.footer-links a:hover {
    color: var(--white);
}