/* Enhanced Mobile-First Responsive Styles for DEVCircuit Website */

/* Base Mobile-First Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
    font-size: 16px; /* Base font size for mobile */
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-base);
    z-index: 1000;
    font-size: var(--font-size-sm);
}

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

/* BuildWorks Banner */
.buildworks-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-2) 0;
    text-align: center;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    position: relative;
    z-index: 100;
}

.buildworks-text {
    opacity: 0.9;
}

/* Color Palette Selector - Mobile Optimized */
.color-palette-selector {
    position: fixed;
    top: 80px;
    right: var(--spacing-4);
    z-index: 1000;
}

.palette-toggle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-all);
    -webkit-tap-highlight-color: transparent;
}

.palette-toggle:hover,
.palette-toggle:focus {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.palette-options {
    position: absolute;
    top: 60px;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-all);
    min-width: 60px;
}

.palette-options.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.palette-option {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition-all);
    -webkit-tap-highlight-color: transparent;
}

.palette-option:hover,
.palette-option:focus {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.palette-option.active {
    border-color: var(--text-primary);
    transform: scale(1.1);
}

/* Theme Toggle - Mobile Optimized */
.theme-toggle {
    position: fixed;
    top: 80px;
    left: var(--spacing-4);
    z-index: 1000;
}

.theme-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-all);
    -webkit-tap-highlight-color: transparent;
}

.theme-btn:hover,
.theme-btn:focus {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.theme-btn .sun-icon,
.theme-btn .moon-icon {
    transition: var(--transition-all);
}

/* Header - Mobile First */
.header {
    background: var(--surface-glass);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 900;
    transition: var(--transition-all);
    padding: var(--spacing-3) 0;
}

.header.scrolled {
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

/* Brand - Mobile Optimized */
.brand {
    order: 2;
    flex: 1;
    display: flex;
    justify-content: center;
}

.brand-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    transition: var(--transition-all);
    -webkit-tap-highlight-color: transparent;
}

.brand-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    order: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-base);
    transition: var(--transition-all);
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus {
    background: var(--surface-hover);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 2px 0;
    transition: var(--transition-all);
    border-radius: 2px;
}

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

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

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

/* Navigation - Mobile First */
.nav {
    order: 3;
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: var(--spacing-8) var(--spacing-6);
    transition: var(--transition-normal);
    z-index: 1100;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.nav.active {
    left: 0;
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
}

.nav-link {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
    transition: var(--transition-all);
    -webkit-tap-highlight-color: transparent;
    position: relative;
}

.nav-link:hover,
.nav-link:focus {
    background: var(--surface-hover);
    color: var(--primary);
    transform: translateX(8px);
}

.nav-link.active {
    background: var(--primary);
    color: white;
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--primary);
    border-radius: 2px;
}

/* Mobile Menu Overlay */
.nav.active::before {
    content: '';
    position: fixed;
    top: 0;
    left: 280px;
    width: calc(100vw - 280px);
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

/* Hero Section - Mobile Optimized */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-8) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -2;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        var(--primary) 0%, 
        var(--secondary) 50%, 
        var(--accent) 100%);
    opacity: 0.05;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, var(--primary) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, var(--secondary) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.1;
}

.hero-content {
    text-align: center;
    max-width: 100%;
    margin: 0 auto;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-6);
}

.hero-title-line {
    display: block;
    margin-bottom: var(--spacing-2);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: center;
    margin-bottom: var(--spacing-12);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-6);
    max-width: 500px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary);
    display: block;
    margin-bottom: var(--spacing-1);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.hero-visual {
    display: none; /* Hidden on mobile */
}

/* Button Styles - Touch Optimized */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-6);
    border: none;
    border-radius: var(--radius-xl);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-all);
    position: relative;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    min-height: 48px; /* Touch target size */
    min-width: 48px;
}

.btn:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-lg {
    padding: var(--spacing-5) var(--spacing-8);
    font-size: var(--font-size-lg);
    min-height: 56px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--surface);
    color: var(--primary);
    border: 2px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--surface-hover);
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* Section Styles - Mobile First */
section {
    padding: var(--spacing-12) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-10);
}

.section-title {
    font-size: clamp(1.875rem, 5vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
    color: var(--text-primary);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* Card Styles - Mobile Optimized */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-all);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

/* Service Cards */
.service-card {
    text-align: center;
    height: 100%;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-4);
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
    line-height: var(--line-height-relaxed);
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: var(--spacing-2) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-6);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: var(--font-weight-bold);
}

/* Feature Cards */
.feature-card {
    text-align: center;
    height: 100%;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-4);
    display: block;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

/* About Page Styles */
.about-hero,
.solutions-hero,
.contact-hero {
    padding: var(--spacing-16) 0 var(--spacing-12);
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.about-hero::before,
.solutions-hero::before,
.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.about-hero-content,
.solutions-hero-content,
.contact-hero-content {
    position: relative;
    z-index: 2;
}

.about-hero h1,
.solutions-hero h1,
.contact-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-6);
}

.about-hero-description,
.solutions-hero-description,
.contact-hero-description {
    font-size: var(--font-size-lg);
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.95;
    line-height: var(--line-height-relaxed);
}

/* Mission Section */
.mission-section {
    background: var(--surface-hover);
}

.mission-content h2 {
    margin-bottom: var(--spacing-6);
}

.mission-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
    line-height: var(--line-height-relaxed);
}

.mission-values {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
}

.value-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.value-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
}

.value-content p {
    color: var(--text-secondary);
    margin: 0;
}

.mission-visual {
    display: none; /* Hidden on mobile */
}

/* Vector Circuits Section */
.vector-circuits {
    background: var(--background);
}

.vector-feature {
    text-align: center;
    height: 100%;
}

.vector-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-4);
    color: var(--primary);
}

.vector-feature h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
}

.vector-feature p {
    color: var(--text-secondary);
    margin: 0;
    line-height: var(--line-height-relaxed);
}

/* Leadership Section */
.leadership {
    background: var(--surface-hover);
}

.leader-card {
    text-align: center;
    height: 100%;
}

.leader-avatar {
    margin-bottom: var(--spacing-4);
}

.avatar-placeholder {
    width: 100px;
    height: 100px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
}

.leader-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
}

.leader-title {
    font-size: var(--font-size-base);
    color: var(--primary);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-4);
}

.leader-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
    line-height: var(--line-height-relaxed);
}

.leader-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3);
}

.leader-social a {
    width: 40px;
    height: 40px;
    background: var(--surface-hover);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-all);
    -webkit-tap-highlight-color: transparent;
}

.leader-social a:hover,
.leader-social a:focus {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Solutions Page Styles */
.products {
    background: var(--background);
}

.product-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-icon {
    color: var(--primary);
    margin-bottom: var(--spacing-4);
    text-align: center;
}

.product-content {
    flex: 1;
}

.product-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
    line-height: var(--line-height-relaxed);
}

.features-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
}

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

.product-features li {
    padding: var(--spacing-2) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-6);
    font-size: var(--font-size-sm);
}

.product-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: var(--font-weight-bold);
}

/* Services Detailed Section */
.services-detailed {
    background: var(--surface-hover);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

.service-detailed-card {
    height: 100%;
}

.service-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.service-header .service-icon {
    color: var(--primary);
    flex-shrink: 0;
    margin: 0;
    width: auto;
    height: auto;
    background: none;
    border-radius: 0;
}

.service-header h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0;
    line-height: var(--line-height-tight);
}

.service-details p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
    line-height: var(--line-height-relaxed);
}

.service-details ul {
    list-style: none;
    margin: 0;
}

.service-details li {
    padding: var(--spacing-2) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-6);
    line-height: var(--line-height-relaxed);
}

.service-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: var(--font-weight-bold);
}

/* Contact Page Styles */
.contact-section {
    background: var(--background);
}

.contact-info {
    margin-bottom: var(--spacing-8);
}

.contact-info h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-6);
    color: var(--text-primary);
}

.contact-details {
    margin-bottom: var(--spacing-8);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.contact-icon {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: var(--spacing-1);
}

.contact-content h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
}

.contact-content p {
    color: var(--text-secondary);
    margin: 0;
}

.contact-content a {
    color: var(--primary);
    text-decoration: none;
}

.contact-content a:hover {
    text-decoration: underline;
}

.social-section h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-4);
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: var(--spacing-3);
}

.social-link {
    width: 48px;
    height: 48px;
    background: var(--surface-hover);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-all);
    -webkit-tap-highlight-color: transparent;
}

.social-link:hover,
.social-link:focus {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Contact Form */
.contact-form-wrapper h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-6);
    color: var(--text-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-4);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: var(--font-size-base);
    background: var(--surface);
    color: var(--text-primary);
    transition: var(--transition-all);
    min-height: 48px; /* Touch target size */
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

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

.form-message {
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    margin-top: var(--spacing-4);
    opacity: 0;
    transform: translateY(-10px);
    transition: var(--transition-all);
}

.form-message.show {
    opacity: 1;
    transform: translateY(0);
}

.form-message.success {
    background: var(--success-bg);
    color: var(--color-success-700);
    border: 1px solid var(--color-success-200);
}

.form-message.error {
    background: var(--error-bg);
    color: var(--color-error-700);
    border: 1px solid var(--color-error-200);
}

/* Map Section */
.map-section {
    background: var(--surface-hover);
}

.map-wrapper h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-6);
    color: var(--text-primary);
    text-align: center;
}

.map-container {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-container iframe {
    width: 100%;
    height: 300px;
    border: none;
}

/* CTA Section */
.cta {
    background: var(--primary-gradient);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
}

.cta-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
}

.cta .btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.cta .btn-primary:hover,
.cta .btn-primary:focus {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

/* Footer */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: var(--spacing-12) 0 var(--spacing-6);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.footer-brand {
    text-align: center;
}

.footer-logo {
    margin-bottom: var(--spacing-4);
}

.footer-brand-text {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: var(--text-secondary);
    max-width: 300px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
}

.footer-section {
    text-align: center;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-4);
    color: var(--text-primary);
}

.footer-list {
    list-style: none;
    margin-bottom: var(--spacing-4);
}

.footer-list li {
    margin-bottom: var(--spacing-2);
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-all);
    -webkit-tap-highlight-color: transparent;
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-base);
}

.footer-link:hover,
.footer-link:focus {
    color: var(--primary);
    background: var(--surface-hover);
}

.footer-section .social-links {
    justify-content: center;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--border);
}

.footer-copyright {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.floating-elements {
    display: none; /* Hidden on mobile */
}

/* Tablet Styles */
@media (min-width: 768px) {
    html {
        font-size: 18px;
    }
    
    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero-visual {
        display: block;
        position: absolute;
        right: 10%;
        top: 50%;
        transform: translateY(-50%);
        width: 300px;
        height: 300px;
    }
    
    .hero-image {
        width: 100%;
        height: 100%;
        position: relative;
    }
    
    .floating-elements {
        display: block;
        position: absolute;
        width: 100%;
        height: 100%;
    }
    
    .floating-element {
        position: absolute;
        color: var(--primary);
        opacity: 0.7;
        animation: float 6s ease-in-out infinite;
        animation-delay: var(--delay);
    }
    
    .floating-element:nth-child(1) {
        top: 20%;
        left: 20%;
    }
    
    .floating-element:nth-child(2) {
        top: 60%;
        right: 30%;
    }
    
    .floating-element:nth-child(3) {
        bottom: 30%;
        left: 40%;
    }
    
    @keyframes float {
        0%, 100% { transform: translateY(0px) rotate(0deg); }
        33% { transform: translateY(-20px) rotate(5deg); }
        66% { transform: translateY(10px) rotate(-3deg); }
    }
    
    .mission-visual {
        display: block;
    }
    
    .mission-image {
        width: 100%;
        height: 400px;
        background: var(--primary-gradient);
        border-radius: var(--radius-2xl);
        position: relative;
        overflow: hidden;
    }
    
    .nav {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        border: none;
        padding: 0;
        box-shadow: none;
        order: 3;
    }
    
    .nav-list {
        flex-direction: row;
        gap: var(--spacing-2);
        margin-top: 0;
    }
    
    .nav-link {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-base);
    }
    
    .nav-link:hover,
    .nav-link:focus {
        transform: none;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    .brand {
        order: 1;
        flex: 0;
        justify-content: flex-start;
    }
    
    .contact-info {
        margin-bottom: 0;
    }
    
    .map-container iframe {
        height: 400px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 2fr;
        text-align: left;
    }
    
    .footer-brand {
        text-align: left;
    }
    
    .footer-section {
        text-align: left;
    }
    
    .footer-section .social-links {
        justify-content: flex-start;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-content {
        text-align: left;
        max-width: 60%;
    }
    
    .hero-actions {
        justify-content: flex-start;
    }
    
    .hero-stats {
        justify-content: flex-start;
        margin: 0;
    }
    
    .color-palette-selector {
        top: 120px;
    }
    
    .theme-toggle {
        top: 120px;
    }
}

/* Large Desktop Styles */
@media (min-width: 1280px) {
    .container {
        max-width: 1200px;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .card:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }
    
    .btn:hover {
        transform: none;
    }
    
    .btn-primary:hover {
        box-shadow: var(--shadow-md);
    }
    
    .btn-secondary:hover {
        transform: none;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-pattern {
        background-size: 25px 25px;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-6) 0;
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
        margin-bottom: var(--spacing-4);
    }
    
    .hero-description {
        margin-bottom: var(--spacing-6);
    }
    
    .hero-actions {
        margin-bottom: var(--spacing-8);
    }
}

/* Print Styles */
@media print {
    .buildworks-banner,
    .color-palette-selector,
    .theme-toggle,
    .mobile-menu-toggle,
    .floating-elements,
    .cta {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-4) 0;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Reduced Motion */
@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;
    }
    
    .floating-element {
        animation: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid var(--text-primary);
    }
}

/* Dark Mode Specific Mobile Optimizations */
[data-theme="dark"] {
    .hero-pattern {
        opacity: 0.05;
    }
    
    .nav {
        background: var(--dark-surface);
        border-right-color: var(--dark-border);
    }
    
    .form-group input,
    .form-group textarea {
        background: var(--dark-surface);
        border-color: var(--dark-border);
        color: var(--dark-text-primary);
    }
    
    .form-group input:focus,
    .form-group textarea:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    }
}