/* ================================================
   Synapse Corporate Website - Mobile-Optimized CSS
   ================================================ */

/* ================================================
   CSS Variables - Synapse Core Design System
   ================================================ */
:root {
    /* Colors - Cyan-based with name card inspiration */
    --color-primary: #00C9C8;
    --color-primary-light: #33D5D4;
    --color-primary-dark: #009B9A;
    --color-secondary: #2D3748;
    --color-text: #2D3748;
    --color-text-light: #718096;
    --color-background: #FFFFFF;
    --color-background-alt: #F7FAFC;
    --color-border: #E2E8F0;
    --color-success: #48BB78;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 40px;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    
    /* Border Radius - Inspired by name card's rounded corners */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

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

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

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ================================================
   Container - Mobile-optimized padding
   ================================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Tablet and up */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ================================================
   Header - Mobile-optimized with hamburger menu
   ================================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

/* Logo - Mobile-optimized size */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 32px;
    width: auto;
}

/* Mobile Menu Toggle (Hamburger) */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 22px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 101;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* Navigation - Mobile slide-in menu */
.nav {
    position: fixed;
    top: 64px;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: calc(100vh - 64px);
    background-color: var(--color-background);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    transition: right var(--transition-base);
}

.nav.active {
    right: 0;
}

.nav-link {
    display: block;
    padding: var(--spacing-sm);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--color-background-alt);
    color: var(--color-primary);
}

/* Tablet and up - Horizontal nav */
@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
    
    .nav {
        position: static;
        flex-direction: row;
        height: auto;
        width: auto;
        max-width: none;
        padding: 0;
        box-shadow: none;
        gap: var(--spacing-xs);
    }
    
    .logo-img {
        height: 40px;
    }
}

/* ================================================
   Hero Section - Mobile-optimized
   ================================================ */
.hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-alt) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle br {
    display: none;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
}

/* Tablet and up */
@media (min-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-subtitle br {
        display: inline;
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }
}

/* ================================================
   Network Diagram - Mobile-optimized
   ================================================ */
.network-diagram {
    position: relative;
    width: 100%;
    height: 480px;
    margin: 0 auto;
    max-width: 700px;
}

.node {
    position: absolute;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-align: center;
    transition: all var(--transition-base);
}

.node-inner {
    padding: var(--spacing-xs);
}

/* Core node - Center */
.node-core {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 0 rgba(0, 201, 200, 0.4);
}

/* Primary nodes */
.node-primary {
    width: 70px;
    height: 70px;
    background-color: white;
    border: 2px solid var(--color-primary);
    color: var(--color-text);
    font-size: 10px;
    line-height: 1.2;
}

/* Clickable nodes */
.node-link {
    text-decoration: none;
    cursor: pointer;
}

.node-link:hover {
    box-shadow: 0 4px 12px rgba(0, 201, 200, 0.3);
    border-color: var(--color-primary-dark);
}

.node-cosmetics {
    top: 3%;
    left: 50%;
    transform: translateX(-50%);
}

.node-food {
    bottom: 8%;
    left: 8%;
}

.node-store {
    bottom: 8%;
    right: 8%;
}

/* Secondary nodes (Connected Areas) */
.node-secondary {
    width: 50px;
    height: 50px;
    background-color: white;
    border: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: 9px;
    opacity: 0.8;
}

.node-secondary:hover {
    opacity: 1;
    border-color: var(--color-primary);
}

/* Secondary node positions */
.node-media {
    top: 12%;
    left: 10%;
}

.node-publishing {
    top: 12%;
    right: 10%;
}

.node-events {
    bottom: 25%;
    left: 3%;
}

.node-product {
    bottom: 25%;
    right: 3%;
}

.node-staffing {
    top: 50%;
    left: 1%;
    transform: translateY(-50%);
}

.node-web {
    top: 50%;
    right: 1%;
    transform: translateY(-50%);
}

.node-sound {
    bottom: 2%;
    left: 50%;
    transform: translateX(-50%);
}

/* Connection lines */
.connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.connection-line {
    stroke: var(--color-primary);
    stroke-width: 1.5;
    opacity: 0.35;
    stroke-dasharray: 3, 6;
}

/* Tablet and up */
@media (min-width: 768px) {
    .network-diagram {
        height: 550px;
        max-width: 900px;
    }
    
    .node-core {
        width: 120px;
        height: 120px;
        font-size: var(--font-size-lg);
    }
    
    .node-primary {
        width: 90px;
        height: 90px;
        font-size: var(--font-size-sm);
    }
}

/* ================================================
   Section Styles - Mobile-optimized spacing
   ================================================ */
.section {
    padding: var(--spacing-xl) 0;
}

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

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

/* Tablet and up */
@media (min-width: 768px) {
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-lg);
    }
}

/* ================================================
   Business Cards - Mobile-first grid
   ================================================ */
.business-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.business-card {
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    overflow: hidden;
}

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

.business-card.featured {
    border: 2px solid var(--color-primary);
    background: linear-gradient(135deg, #ffffff 0%, #f0fffe 100%);
}

.business-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.business-card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    flex: 1 1 auto;
}

.business-card-badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--color-primary);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}

.business-card-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.business-card-link {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: var(--font-size-base);
    word-break: break-all;
}

.business-card-link:hover {
    color: var(--color-primary-dark);
}

.business-card-info {
    background-color: var(--color-background-alt);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.info-item {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-label {
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    display: block;
    margin-bottom: 4px;
}

.info-value {
    color: var(--color-text);
    line-height: 1.7;
    font-size: var(--font-size-base);
    display: block;
}

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

/* Feature Tags */
.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.feature-tag {
    display: inline-block;
    padding: 6px 12px;
    background-color: white;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: 1.5px solid var(--color-primary);
    border-radius: 16px;
    white-space: nowrap;
}

/* Tablet - 2 columns */
@media (min-width: 768px) {
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop - 3 columns */
@media (min-width: 1024px) {
    .business-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .business-card-header {
        flex-wrap: nowrap;
    }
}

/* ================================================
   Connected Areas - Mobile-optimized chips
   ================================================ */
.connected-areas {
    background-color: var(--color-background-alt);
}

.section-description {
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    max-width: 600px;
    margin: var(--spacing-sm) auto 0;
    line-height: 1.7;
}

/* Mini Network Diagram */
.mini-network {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-sm);
}

.mini-network svg {
    width: 100%;
    height: auto;
}

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

.area-chip {
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    text-align: center;
}

.area-chip:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.area-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.area-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.area-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Tablet - 2 columns */
@media (min-width: 640px) {
    .areas-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

/* Desktop - 3 or 4 columns */
@media (min-width: 1024px) {
    .areas-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ================================================
   Buttons - Mobile-optimized tap targets (44px min)
   ================================================ */
.btn {
    display: inline-block;
    padding: 14px 28px;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: var(--font-size-lg);
}

/* Full-width on mobile */
@media (max-width: 767px) {
    .btn {
        width: 100%;
    }
}

/* ================================================
   CTA Section
   ================================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.cta-description {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.7;
}

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

.cta-section .btn-primary:hover {
    background-color: var(--color-background-alt);
}

/* Tablet and up */
@media (min-width: 768px) {
    .cta-title {
        font-size: var(--font-size-3xl);
    }
    
    .cta-description {
        font-size: var(--font-size-lg);
    }
}

/* ================================================
   Page Header
   ================================================ */
.page-header {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background-color: var(--color-background-alt);
    text-align: center;
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    font-weight: 300;
    margin-bottom: var(--spacing-sm);
}

.page-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Tablet and up */
@media (min-width: 768px) {
    .page-header {
        padding: var(--spacing-2xl) 0 var(--spacing-xl);
    }
    
    .page-title {
        font-size: var(--font-size-4xl);
    }
    
    .page-subtitle {
        font-size: var(--font-size-xl);
    }
}

/* ================================================
   Timeline - Mobile-optimized
   ================================================ */
.timeline {
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-light));
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -var(--spacing-lg);
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--color-primary);
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-marker-current {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.timeline-content {
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.timeline-year {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--color-primary);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.timeline-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Tablet and up */
@media (min-width: 768px) {
    .timeline {
        padding-left: var(--spacing-xl);
    }
    
    .timeline::before {
        left: 12px;
    }
    
    .timeline-marker {
        left: -var(--spacing-xl);
        width: 28px;
        height: 28px;
        border-width: 4px;
    }
    
    .timeline-title {
        font-size: var(--font-size-xl);
    }
}

/* ================================================
   Company Info Table - Mobile-optimized
   ================================================ */
.info-table {
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.info-row {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--color-border);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    padding: var(--spacing-sm);
    background-color: var(--color-background-alt);
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.info-value {
    padding: var(--spacing-sm);
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

/* Tablet and up - Side-by-side layout */
@media (min-width: 768px) {
    .info-row {
        flex-direction: row;
    }
    
    .info-label {
        width: 200px;
        flex-shrink: 0;
        border-right: 1px solid var(--color-border);
    }
    
    .info-value {
        flex: 1;
    }
}

/* ================================================
   Message Section
   ================================================ */
.message-section {
    background-color: var(--color-background-alt);
}

.message-content {
    max-width: 800px;
    margin: 0 auto;
}

.message-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.message-text p {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.message-text p:last-child {
    margin-bottom: 0;
}

/* Tablet and up */
@media (min-width: 768px) {
    .message-title {
        font-size: var(--font-size-3xl);
    }
    
    .message-text p {
        font-size: var(--font-size-lg);
    }
}

/* ================================================
   Contact Form - Mobile-optimized with large tap targets
   ================================================ */
.contact-section {
    background-color: var(--color-background-alt);
}

.contact-wrapper {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.contact-form {
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

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

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

.required {
    color: #E53E3E;
    font-size: var(--font-size-sm);
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    min-height: 44px; /* Mobile tap target */
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 201, 200, 0.1);
}

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

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23718096' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-actions {
    margin-top: var(--spacing-lg);
}

/* Contact Info */
.contact-info {
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.contact-info-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.contact-info-text {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.contact-details {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background-color: var(--color-background-alt);
    border-radius: var(--radius-sm);
}

.contact-detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.contact-detail-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.contact-detail-label {
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.contact-detail-value {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.contact-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

.contact-note p {
    margin-bottom: var(--spacing-xs);
}

.contact-note p:last-child {
    margin-bottom: 0;
}

/* Tablet and up */
@media (min-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .contact-info {
        padding: var(--spacing-lg);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 2fr 1fr;
    }
}

/* ================================================
   Footer - Mobile-optimized
   ================================================ */
.footer {
    background-color: var(--color-secondary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

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

.footer-logo-img {
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: color var(--transition-fast);
    padding: var(--spacing-xs);
    -webkit-tap-highlight-color: transparent;
}

.footer-link:hover {
    color: white;
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Tablet and up */
@media (min-width: 768px) {
    .footer-nav {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .footer-logo-img {
        height: 40px;
    }
}

/* ================================================
   Utility Classes
   ================================================ */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ================================================
   Accessibility - Focus styles
   ================================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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