/* ===================================
   EAST ST. LOUIS PUBLIC LIBRARY
   Government-Style Website Design
   Inspired by Modern Municipal Sites
   =================================== */

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

:root {
    /* ===================================
       COLOR PALETTE - "89 BLOCKS" INSPIRED
       Vibrant, civic, community-centered
       =================================== */

    /* Block Colors - Vibrant & Youthful */
    --block-red: #E25A52;           /* Vibrant coral-red - energy, community */
    --block-red-dark: #C94840;      /* Darker red for depth */
    --block-cream: #FFF8E7;         /* Warm ivory - welcoming, bright */
    --block-cream-dark: #F5E8C8;    /* Darker cream */
    --block-gold: #F5B935;          /* Sunny golden yellow - optimism */
    --block-gold-dark: #E0A520;     /* Darker gold */
    --block-navy: #2B4D70;          /* Rich navy - approachable trust */
    --block-navy-dark: #1D3550;     /* Darker navy */
    --block-navy-light: #3D6590;    /* Lighter navy */
    --block-teal: #2DB5A4;          /* Bright teal - growth, freshness */
    --block-teal-dark: #239688;     /* Darker teal */
    --block-blue: #5BA4E0;          /* Bright sky blue - openness */
    --block-blue-light: #7DBEF0;    /* Lighter blue */

    /* Legacy aliases for compatibility */
    --primary-blue: var(--block-navy);
    --primary-blue-dark: var(--block-navy-dark);
    --primary-blue-light: var(--block-navy-light);
    --secondary-gold: var(--block-gold);
    --accent-gray: #F5F5F5;
    --accent-teal: var(--block-teal);

    /* Text Colors */
    --text-primary: #2D2D2D;        /* Main text - slightly softer black */
    --text-secondary: #5A5A5A;      /* Secondary text */
    --text-light: #ffffff;          /* White text */
    --text-on-red: #ffffff;
    --text-on-cream: #2D2D2D;
    --text-on-gold: #2D2D2D;
    --text-on-navy: #ffffff;
    --text-on-teal: #ffffff;

    /* Background Colors */
    --background-white: #ffffff;
    --background-light: #FAFAF8;    /* Warm white */
    --background-gray: #F0EDE8;     /* Warm gray */
    --border-color: #DDD8D0;        /* Warm border */

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-headings: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;

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

    /* Border Radius - Minimal for block aesthetic */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;

    /* Shadows - Subtle, architectural */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-block: 2px 2px 0 rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s ease;
}

/* Base Typography */
body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

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

a:hover {
    color: var(--accent-teal);
    text-decoration: underline;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-blue);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
    top: 0;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   UTILITY BAR
   =================================== */

.utility-bar {
    background: var(--block-navy-dark);
    color: var(--text-light);
    font-size: 0.875rem;
    padding: 0.5rem 0;
}

.utility-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.utility-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.utility-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.utility-links a:hover {
    color: var(--secondary-gold);
    text-decoration: none;
}

.utility-search-toggle {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--transition-fast);
}

.utility-search-toggle:hover {
    color: var(--secondary-gold);
}

/* ===================================
   HEADER STYLES
   =================================== */

.site-header {
    background: var(--background-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-main {
    padding: var(--spacing-md) 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

/* Logo Section */
.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.site-logo {
    max-height: 80px;
    width: auto;
}

.site-identity h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--block-navy);
}

.site-identity .tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: normal;
}

/* ===================================
   NAVIGATION
   =================================== */

.main-navigation {
    background: var(--block-navy);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: background var(--transition-fast);
    border-bottom: 3px solid transparent;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    background: var(--primary-blue-light);
    border-bottom-color: var(--secondary-gold);
    text-decoration: none;
}

/* Search Bar in Nav */
.nav-search-container {
    padding: var(--spacing-sm);
}

.nav-search-form {
    display: flex;
    max-width: 300px;
}

.nav-search-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 0.875rem;
}

.nav-search-btn {
    padding: 0.5rem 1rem;
    background: var(--secondary-gold);
    color: white;
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    font-weight: 600;
    transition: background var(--transition-fast);
}

.nav-search-btn:hover {
    background: #B08312;
}

/* ===================================
   HERO SECTION - "89 BLOCKS" MOSAIC
   Each block = entry point to knowledge
   =================================== */

.hero-section {
    position: relative;
    background: var(--block-navy-dark);
    padding: 0;
    overflow: hidden;
}

/* Hero Mosaic Grid */
.hero-mosaic {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto;
    min-height: 420px;
}

/* Welcome Block - Main message */
.hero-block--welcome {
    grid-column: 1 / 8;
    grid-row: 1 / 3;
    background: var(--block-navy);
    color: var(--text-on-navy);
    padding: var(--spacing-xl) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero-tagline {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--block-gold);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    line-height: 1.6;
}

.hero-motto {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--block-gold);
    margin-top: var(--spacing-md);
    letter-spacing: 0.05em;
}

/* Hero Action Blocks - Quick access entries */
.hero-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    text-decoration: none;
    transition: transform var(--transition-medium), filter var(--transition-medium);
    position: relative;
    text-align: center;
}

.hero-block:hover {
    transform: scale(1.02);
    filter: brightness(1.05);
    text-decoration: none;
}

.hero-block:focus {
    outline: 3px solid var(--block-gold);
    outline-offset: -3px;
}

/* Block Color Variants */
.hero-block--red {
    background: var(--block-red);
    color: var(--text-on-red);
}

.hero-block--cream {
    background: var(--block-cream);
    color: var(--text-on-cream);
}

.hero-block--gold {
    background: var(--block-gold);
    color: var(--text-on-gold);
}

.hero-block--teal {
    background: var(--block-teal);
    color: var(--text-on-teal);
}

.hero-block--blue {
    background: var(--block-blue);
    color: var(--text-on-navy);
}

.hero-block--navy-light {
    background: var(--block-navy-light);
    color: var(--text-on-navy);
}

/* Block Icon - Stencil style */
.hero-block__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
}

.hero-block__icon::before {
    width: 100%;
    height: 100%;
}

.hero-block__title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.hero-block__subtitle {
    font-size: 0.8rem;
    opacity: 0.85;
    margin-top: 0.25rem;
}

/* Position blocks in mosaic grid */
.hero-block--catalog {
    grid-column: 8 / 10;
    grid-row: 1 / 2;
}

.hero-block--ebooks {
    grid-column: 10 / 12;
    grid-row: 1 / 2;
}

.hero-block--audiobooks {
    grid-column: 12 / 13;
    grid-row: 1 / 2;
}

.hero-block--events {
    grid-column: 8 / 10;
    grid-row: 2 / 3;
}

.hero-block--card {
    grid-column: 10 / 13;
    grid-row: 2 / 3;
}

/* Decorative Identity Block */
.hero-block--identity {
    grid-column: 1 / 4;
    grid-row: 3 / 4;
    background: var(--block-red);
    color: var(--text-on-red);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-block--identity .zip-code {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    opacity: 0.9;
}

/* More blocks row */
.hero-block--rooms {
    grid-column: 4 / 7;
    grid-row: 3 / 4;
}

.hero-block--ask {
    grid-column: 7 / 10;
    grid-row: 3 / 4;
}

.hero-block--hours {
    grid-column: 10 / 13;
    grid-row: 3 / 4;
}

/* Hero buttons for mobile/fallback */
.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-medium);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: #B08312;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

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

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

/* ===================================
   QUICK ACCESS SECTION - BLOCK GRID
   =================================== */

.quick-actions-section {
    padding: var(--spacing-xxl) 0;
    background: var(--background-light);
}

.section-title {
    text-align: center;
    font-size: 1.75rem;
    color: var(--block-navy);
    margin-bottom: var(--spacing-xl);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--block-gold);
    margin: var(--spacing-sm) auto 0;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* Action Card - Block Style */
.action-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    border-left: 5px solid var(--block-navy);
    text-decoration: none;
}

.action-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--block-gold);
    text-decoration: none;
}

.action-card:focus {
    outline: 3px solid var(--block-gold);
    outline-offset: 2px;
}

/* Action Card Icon - Stencil style */
.action-card__icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--block-navy);
    color: var(--text-on-navy);
    border-radius: var(--radius-sm);
}

.action-card__icon::before {
    width: 32px;
    height: 32px;
}

.action-card__content {
    flex: 1;
}

.action-card h3 {
    color: var(--block-navy);
    margin-bottom: var(--spacing-xs);
    font-size: 1.125rem;
    font-weight: 600;
}

.action-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    line-height: 1.5;
}

.action-card__link {
    color: var(--block-teal);
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.action-card:hover .action-card__link {
    color: var(--block-navy);
}

/* Color variants for action cards */
.action-card--red {
    border-left-color: var(--block-red);
}
.action-card--red .action-card__icon {
    background: var(--block-red);
}

.action-card--teal {
    border-left-color: var(--block-teal);
}
.action-card--teal .action-card__icon {
    background: var(--block-teal);
}

.action-card--gold {
    border-left-color: var(--block-gold);
}
.action-card--gold .action-card__icon {
    background: var(--block-gold);
    color: var(--text-on-gold);
}

/* Legacy action-card-icon support */
.action-card-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--block-navy);
    color: var(--text-on-navy);
    border-radius: var(--radius-sm);
    font-size: 1.5rem;
}

.action-card-link {
    color: var(--block-teal);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.action-card-link:hover {
    color: var(--block-navy);
    text-decoration: none;
}

/* ===================================
   NEWS & EVENTS SECTION
   =================================== */

.news-events-section {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.news-events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.news-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--block-navy);
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--block-gold);
}

.news-card-header {
    padding: var(--spacing-md);
    background: var(--block-navy);
    color: white;
}

.news-card-date {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.news-card-body {
    padding: var(--spacing-md);
}

.news-card h3 {
    color: var(--block-navy);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
}

.news-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    line-height: 1.6;
}

.read-more {
    color: var(--block-teal);
    font-weight: 600;
    font-size: 0.9rem;
}

.read-more:hover {
    color: var(--block-navy);
    text-decoration: none;
}

/* Alternating news card header colors */
.news-card:nth-child(2) .news-card-header {
    background: var(--block-teal);
}
.news-card:nth-child(2) {
    border-top-color: var(--block-teal);
}

.news-card:nth-child(3) .news-card-header {
    background: var(--block-red);
}
.news-card:nth-child(3) {
    border-top-color: var(--block-red);
}

/* ===================================
   SERVICES SECTION
   =================================== */

.services-section {
    padding: var(--spacing-xxl) 0;
    background: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.service-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 5px solid var(--block-gold);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
}

.service-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--block-teal);
}

.service-item h3 {
    color: var(--block-navy);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
}

.service-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Alternating service item colors */
.service-item:nth-child(2) {
    border-left-color: var(--block-red);
}
.service-item:nth-child(2):hover {
    border-left-color: var(--block-navy);
}

.service-item:nth-child(3) {
    border-left-color: var(--block-teal);
}
.service-item:nth-child(3):hover {
    border-left-color: var(--block-gold);
}

.service-item:nth-child(4) {
    border-left-color: var(--block-blue);
}
.service-item:nth-child(4):hover {
    border-left-color: var(--block-red);
}

.service-item:nth-child(5) {
    border-left-color: var(--block-red);
}
.service-item:nth-child(5):hover {
    border-left-color: var(--block-teal);
}

.service-item:nth-child(6) {
    border-left-color: var(--block-navy);
}
.service-item:nth-child(6):hover {
    border-left-color: var(--block-gold);
}

/* ===================================
   HOURS & LOCATION SECTION
   =================================== */

.info-section {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.info-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--block-navy);
}

.info-card h3 {
    color: var(--block-navy);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--block-gold);
}

/* Alternating info card colors */
.info-card:nth-child(2) {
    border-top-color: var(--block-teal);
}
.info-card:nth-child(2) h3 {
    border-bottom-color: var(--block-teal);
}

.info-card:nth-child(3) {
    border-top-color: var(--block-red);
}
.info-card:nth-child(3) h3 {
    border-bottom-color: var(--block-red);
}

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

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.day {
    font-weight: 600;
    color: var(--text-primary);
}

.time {
    color: var(--text-secondary);
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-info a {
    color: var(--accent-teal);
    font-weight: 500;
}

/* ===================================
   FOOTER STYLES
   =================================== */

.site-footer {
    background: var(--block-navy-dark);
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-column h4 {
    color: white;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

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

.footer-column a:hover {
    color: var(--secondary-gold);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.footer-social a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.5rem;
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: var(--secondary-gold);
}

.footer-motto {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--block-gold);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
}

/* Digital Links List */
.digital-links {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-sm);
}

.digital-links li {
    margin-bottom: 0.75rem;
    padding-left: var(--spacing-sm);
    border-left: 3px solid var(--block-teal);
}

.digital-links a {
    color: var(--block-teal);
    font-weight: 500;
}

.digital-links a:hover {
    color: var(--block-navy);
}

/* ===================================
   ALERT BANNER
   =================================== */

.alert-banner {
    background: #FFF3CD;
    border-left: 5px solid #FFC107;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.alert-banner.alert-info {
    background: #D1ECF1;
    border-left-color: #0C5460;
}

.alert-banner.alert-warning {
    background: #FFF3CD;
    border-left-color: #856404;
}

.alert-banner.alert-danger {
    background: #F8D7DA;
    border-left-color: #721C24;
}

/* ===================================
   UTILITY CLASSES
   =================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: var(--spacing-md); }
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Large tablets and small desktops */
@media (max-width: 1100px) {
    .hero-mosaic {
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: auto;
    }

    .hero-block--welcome {
        grid-column: 1 / 5;
        grid-row: 1 / 2;
    }

    .hero-block--catalog {
        grid-column: 5 / 7;
        grid-row: 1 / 2;
    }

    .hero-block--ebooks {
        grid-column: 1 / 3;
        grid-row: 2 / 3;
    }

    .hero-block--audiobooks {
        grid-column: 3 / 5;
        grid-row: 2 / 3;
    }

    .hero-block--events {
        grid-column: 5 / 7;
        grid-row: 2 / 3;
    }

    .hero-block--card {
        grid-column: 1 / 3;
        grid-row: 3 / 4;
    }

    .hero-block--identity {
        grid-column: 3 / 4;
        grid-row: 3 / 4;
    }

    .hero-block--rooms {
        grid-column: 4 / 5;
        grid-row: 3 / 4;
    }

    .hero-block--ask {
        grid-column: 5 / 6;
        grid-row: 3 / 4;
    }

    .hero-block--hours {
        grid-column: 6 / 7;
        grid-row: 3 / 4;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--block-navy);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu > li > a {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-search-container {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-search-form {
        max-width: 100%;
    }
}

/* Tablets */
@media (max-width: 768px) {
    /* Hero becomes stacked on mobile */
    .hero-mosaic {
        grid-template-columns: repeat(2, 1fr);
        min-height: auto;
    }

    .hero-block--welcome {
        grid-column: 1 / 3;
        grid-row: 1 / 2;
        padding: var(--spacing-lg);
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-motto {
        font-size: 1.25rem;
    }

    .hero-block--catalog {
        grid-column: 1 / 2;
        grid-row: 2 / 3;
    }

    .hero-block--ebooks {
        grid-column: 2 / 3;
        grid-row: 2 / 3;
    }

    .hero-block--audiobooks {
        grid-column: 1 / 2;
        grid-row: 3 / 4;
    }

    .hero-block--events {
        grid-column: 2 / 3;
        grid-row: 3 / 4;
    }

    .hero-block--card {
        grid-column: 1 / 3;
        grid-row: 4 / 5;
    }

    .hero-block--identity {
        display: none;
    }

    .hero-block--rooms {
        grid-column: 1 / 2;
        grid-row: 5 / 6;
    }

    .hero-block--ask {
        grid-column: 2 / 3;
        grid-row: 5 / 6;
    }

    .hero-block--hours {
        grid-column: 1 / 3;
        grid-row: 6 / 7;
    }

    .hero-block__icon {
        width: 40px;
        height: 40px;
    }

    .hero-block__title {
        font-size: 0.85rem;
    }

    .quick-actions-grid {
        grid-template-columns: 1fr;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .utility-bar-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }

    .hero-mosaic {
        grid-template-columns: 1fr;
    }

    .hero-block--welcome {
        grid-column: 1;
        grid-row: 1;
    }

    .hero-block--catalog,
    .hero-block--ebooks,
    .hero-block--audiobooks,
    .hero-block--events,
    .hero-block--card,
    .hero-block--rooms,
    .hero-block--ask,
    .hero-block--hours {
        grid-column: 1;
    }

    .hero-block--catalog { grid-row: 2; }
    .hero-block--ebooks { grid-row: 3; }
    .hero-block--audiobooks { grid-row: 4; }
    .hero-block--events { grid-row: 5; }
    .hero-block--card { grid-row: 6; }
    .hero-block--rooms { grid-row: 7; }
    .hero-block--ask { grid-row: 8; }
    .hero-block--hours { grid-row: 9; }

    .hero-block {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .hero-block__icon {
        margin-bottom: 0;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .action-card {
        flex-direction: column;
        text-align: center;
    }

    .action-card__icon {
        margin: 0 auto;
    }
}