@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800&display=swap');

:root {
    --h2h-navy: #0a1628;
    --h2h-primary: #1a5fb4;
    --h2h-primary-dark: #134a8f;
    --h2h-primary-light: #e8f1fb;
    --h2h-accent: #0d7a6f;
    --h2h-bg: #f0f4f9;
    --h2h-text: #1a2d42;
    --h2h-border: #d4dee8;
    --h2h-radius: 12px;
    --h2h-font: 'Plus Jakarta Sans', system-ui, sans-serif;
}

body {
    font-family: var(--h2h-font) !important;
    background-color: var(--h2h-bg) !important;
    color: var(--h2h-text) !important;
}

.navbar {
    background: linear-gradient(135deg, var(--h2h-navy) 0%, #122640 100%) !important;
    box-shadow: 0 2px 12px rgba(10, 22, 40, 0.15) !important;
}

.navbar h1, .navbar h1 a { font-weight: 700 !important; letter-spacing: -0.02em; }

.nav-links a { border-radius: 8px !important; font-weight: 600 !important; font-size: 0.9rem !important; }

.nav-links a:hover { background: rgba(255,255,255,0.12) !important; }

.btn, .btn-primary {
    background-color: var(--h2h-primary) !important;
    border-radius: 10px !important;
    font-weight: 600 !important;
}

.btn:hover, .btn-primary:hover { background-color: var(--h2h-primary-dark) !important; }

.catalog-header-section,
.classes-header-section {
    background: linear-gradient(135deg, var(--h2h-navy) 0%, var(--h2h-primary-dark) 100%) !important;
    border-radius: var(--h2h-radius) !important;
}

.catalog-badge, .cta-badge, .enrollment-badge {
    background: rgba(255,255,255,0.95) !important;
    color: var(--h2h-navy) !important;
}

.catalog-class-card, .calendar-date-card, .service-card {
    border-radius: var(--h2h-radius) !important;
    border: 1px solid var(--h2h-border) !important;
}

.catalog-price-badge, .spots-box {
    background: var(--h2h-primary-light) !important;
    color: var(--h2h-primary-dark) !important;
}

.site-footer {
    background: var(--h2h-navy) !important;
}

/* CPR Training Website Styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    overflow-x: hidden;
    max-width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navigation */
.navbar {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.navbar h1 {
    font-size: 1.5rem;
    margin: 0;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-links a:hover {
    background-color: #34495e;
}

.nav-links .admin-login-btn {
    background-color: #e74c3c;
    font-weight: 600;
}

.nav-links .admin-login-btn:hover {
    background-color: #c0392b;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
    pointer-events: auto;
    position: relative;
    z-index: 10;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-primary {
    background-color: #3498db;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #95a5a6;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

a.btn {
    pointer-events: auto;
    cursor: pointer;
    z-index: 10;
    position: relative;
}

.btn-danger {
    background-color: #e74c3c;
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Classes Header Section */
.classes-header-section {
    text-align: center;
    margin: 50px 0 40px 0;
    padding: 50px 30px;
    background: #2c3e50;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(44, 62, 80, 0.3);
    position: relative;
    overflow: hidden;
}

.classes-header-section > * {
    position: relative;
    z-index: 10;
}

.classes-header-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.cta-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.95);
    color: #2c3e50;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    animation: bounce 2s infinite;
    position: relative;
    z-index: 10;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.classes-main-title {
    font-size: 3.2rem;
    color: white;
    margin-bottom: 20px;
    font-weight: 800;
    position: relative;
    display: inline-block;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    z-index: 10;
}

.classes-main-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: white;
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(255,255,255,0.5);
}

.classes-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.95);
    max-width: 850px;
    margin: 30px auto 30px;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    position: relative;
    z-index: 10;
}

.header-cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
    position: relative;
    z-index: 10;
}

.header-cta-buttons .btn {
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    transition: all 0.3s;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.header-cta-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

.header-cta-buttons .cta-primary {
    background: #27ae60;
    font-size: 1.2rem;
    padding: 1.2rem 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header-cta-buttons .cta-primary:hover {
    background: #229954;
    transform: translateY(-4px);
}

/* Quick Enrollment Section */
.quick-enrollment-section {
    margin-bottom: 40px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    position: relative;
    overflow: hidden;
}

.quick-enrollment-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.enrollment-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 15px;
    border: 2px solid rgba(255,255,255,0.3);
}

.enrollment-title {
    color: white;
    margin-top: 0;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

.enrollment-description {
    color: rgba(255,255,255,0.95);
    margin-bottom: 25px;
    font-size: 1.1rem;
    line-height: 1.7;
}

.enrollment-cta-box {
    background: rgba(255,255,255,0.15);
    padding: 20px;
    border-radius: 12px;
    margin-top: 25px;
    border: 2px solid rgba(255,255,255,0.3);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.enrollment-cta-text {
    color: white;
    font-size: 1.05rem;
    margin-bottom: 15px;
}

.enrollment-cta-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.quick-enrollment-section form {
    display: flex;
    gap: 15px;
    align-items: flex-end;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.quick-enrollment-section .form-group {
    flex: 1;
    min-width: 400px;
}

.quick-enrollment-section label {
    color: white;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 8px;
    display: block;
}

.quick-enrollment-section select {
    padding: 1.1rem;
    font-size: 1.1rem;
    border-radius: 8px;
    border: none;
    width: 100%;
    background: white;
    color: #2c3e50;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: all 0.3s;
}

.quick-enrollment-section select:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    transform: translateY(-2px);
}

.quick-enrollment-section button[type="submit"] {
    background: #27ae60;
    color: white;
    font-weight: 700;
    padding: 1.1rem 2.5rem;
    border: none;
    font-size: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.4);
    transition: all 0.3s;
    white-space: nowrap;
}

.quick-enrollment-section button[type="submit"]:hover {
    background: #229954;
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.5);
    transform: translateY(-3px);
}

/* Browse Classes Section */
.browse-classes-section {
    margin: 50px 0 30px 0;
}

.browse-classes-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 3px solid #3498db;
}

.browse-badge {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.browse-classes-title {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
}

.browse-classes-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.browse-classes-title a:hover {
    color: #3498db;
}

.browse-classes-description {
    font-size: 1.15rem;
    color: #555;
    max-width: 800px;
    margin: 0 auto 20px;
    line-height: 1.7;
}

.browse-cta-box {
    background: #e8f5e9;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
    border-left: 5px solid #27ae60;
}

.browse-cta-box p {
    margin: 0;
    color: #155724;
    font-size: 1.05rem;
}

.browse-cta-link {
    color: #27ae60;
    font-weight: 700;
    text-decoration: underline;
    transition: color 0.3s;
}

.browse-cta-link:hover {
    color: #229954;
}

.no-classes-message {
    text-align: center;
    padding: 60px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 40px 0;
}

.no-classes-message p {
    font-size: 1.2rem;
    color: #7f8c8d;
}

/* Classes Grid */
.classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
    scroll-margin-top: 20px;
}

.class-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.class-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.class-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.class-card .description {
    color: #7f8c8d;
    margin-bottom: 15px;
}

.class-info {
    margin-bottom: 15px;
}

.class-info p {
    margin: 5px 0;
    font-size: 0.9rem;
}

/* Sessions List */
.sessions-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.session-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-info h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.session-info p {
    margin: 5px 0;
    color: #7f8c8d;
}

.inline-form {
    display: inline;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group input:disabled {
    background-color: #ecf0f1;
    cursor: not-allowed;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Authentication */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.auth-box {
    background: white;
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 500px;
}

.auth-box h2 {
    margin-bottom: 20px;
    color: #2c3e50;
    text-align: center;
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    color: #7f8c8d;
}

.auth-link a {
    color: #3498db;
    text-decoration: none;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Admin Styles */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.stat-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-card h3 {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 10px;
}

.stat-card p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.admin-menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.admin-menu-item {
    background: white;
    border-radius: 8px;
    padding: 30px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.admin-menu-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.admin-menu-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.admin-menu-item p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.admin-section {
    background: white;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.admin-section h3 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.admin-form {
    max-width: 800px;
}

.admin-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-top: 20px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0;
}

.admin-table th,
.admin-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.admin-table th {
    background-color: #ecf0f1;
    font-weight: 600;
    color: #2c3e50;
}

.admin-table tr:hover {
    background-color: #f8f9fa;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-completed {
    background-color: #d4edda;
    color: #155724;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-refunded {
    background-color: #f8d7da;
    color: #721c24;
}

.status-disabled {
    background-color: #f8d7da;
    color: #721c24;
}

.status-active {
    background-color: #d4edda;
    color: #155724;
}

/* Payment Page */
.payment-summary {
    background: white;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.payment-summary h3 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.summary-details p {
    margin: 10px 0;
    font-size: 1rem;
}

.summary-details .total {
    font-size: 1.25rem;
    font-weight: bold;
    color: #27ae60;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 2px solid #ecf0f1;
}

.payment-form {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.payment-form .note {
    color: #7f8c8d;
    font-style: italic;
    margin-bottom: 20px;
}

/* Confirmation Page */
.confirmation-box {
    background: white;
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
}

.confirmation-box h2 {
    color: #27ae60;
    margin-bottom: 20px;
    text-align: center;
}

.confirmation-details {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin: 30px 0;
}

.confirmation-details h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.detail-row {
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
}

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

.instructions {
    background: #e8f5e9;
    border-left: 4px solid #27ae60;
    padding: 20px;
    margin: 30px 0;
    border-radius: 4px;
}

.instructions h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.instructions ul {
    margin-left: 20px;
}

.instructions li {
    margin: 8px 0;
}

/* Calendar Styles */
.calendar-time-slot {
    border-top: 1px solid #ddd;
    min-height: 60px;
    padding: 10px;
}

.calendar-session-block {
    background: #3498db;
    color: white;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* ======================================
   HOME PAGE CALENDAR STYLES
   ====================================== */

/* Calendar Section Container */
.calendar-section {
    margin: 60px 0 40px 0;
    padding: 30px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.calendar-header {
    text-align: center;
    margin-bottom: 30px;
}

.calendar-main-heading {
    margin: 0 0 10px 0;
    color: #2c3e50;
    font-size: 2rem;
}

.calendar-subheading {
    color: #555;
    font-size: 1.1rem;
}

/* Calendar Grid - Single Column Layout */
.calendar-grid {
    display: block;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

/* Calendar Date Card */
.calendar-date-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: 2px solid #e0e0e0;
    margin-bottom: 25px;
    width: 100%;
}

.calendar-date-card:last-child {
    margin-bottom: 0;
}

.calendar-date-card.today {
    border-color: #27ae60;
}

/* Date Header */
.calendar-date-header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 20px;
}

.calendar-date-header.today-header {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.calendar-date-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.calendar-date-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    word-wrap: break-word;
}

.calendar-badge {
    display: inline-block;
    background: rgba(255,255,255,0.3);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 5px;
}

.calendar-session-count {
    font-size: 1.1rem;
    opacity: 0.9;
    white-space: nowrap;
}

/* Sessions Container */
.calendar-sessions-container {
    padding: 20px;
    background: #f8f9fa;
}

.calendar-sessions-list {
    display: block;
    width: 100%;
}

/* Session Card */
.calendar-session-card {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(52, 152, 219, 0.3);
    border-left: 5px solid #1e6fa8;
    margin-bottom: 15px;
    width: 100%;
}

.calendar-session-card:last-child {
    margin-bottom: 0;
}

.session-card-content {
    display: block;
    width: 100%;
    margin-bottom: 15px;
}

.session-info {
    width: 100%;
    margin-bottom: 15px;
}

.session-title {
    margin: 0 0 10px 0;
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
}

.session-details {
    font-size: 0.95rem;
    opacity: 0.95;
    line-height: 1.6;
}

.session-details > div {
    margin-bottom: 5px;
}

.session-availability {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.spots-box {
    background: rgba(255,255,255,0.2);
    padding: 10px 15px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.spots-number {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.spots-text {
    font-size: 0.85rem;
    opacity: 0.9;
}

.spots-percent {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.95;
}

.session-full-badge {
    display: inline-block;
    background: #e74c3c;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.9rem;
}

.session-action {
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.session-enroll-btn {
    background: white;
    color: #3498db;
    font-weight: 700;
    padding: 12px 30px;
    text-decoration: none;
    display: inline-block;
    border-radius: 6px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.session-enroll-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    color: #2980b9;
}

.session-full-message {
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.2);
    opacity: 0.8;
}

.session-link {
    color: white;
    text-decoration: underline;
}

.session-link:hover {
    opacity: 0.8;
}

/* Empty Calendar State */
.calendar-empty {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    background: white;
}

.calendar-empty-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.calendar-empty-title {
    color: #7f8c8d;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.calendar-empty-text {
    color: #95a5a6;
    font-size: 1rem;
}

.calendar-empty-text a {
    color: #3498db;
    text-decoration: underline;
}

.calendar-empty-text a:hover {
    color: #2980b9;
}

/* Calendar CTA Box */
.calendar-cta-box {
    margin-top: 25px;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 8px;
    text-align: center;
    border: 2px solid #dee2e6;
}

.calendar-cta-box p {
    margin: 0;
    color: #555;
    font-size: 1rem;
}

.calendar-cta-box a {
    color: #3498db;
    font-weight: 700;
    text-decoration: underline;
}

.calendar-cta-box a:hover {
    color: #2980b9;
}

/* Responsive */
@media (max-width: 768px) {
    /* Base adjustments */
    body {
        font-size: 16px;
        overflow-x: hidden;
    }
    
    .container {
        padding: 15px;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* Navigation */
    .navbar {
        padding: 0.75rem 0;
    }

    .navbar h1 {
        font-size: 1.25rem;
    }

    /* Buttons */
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
        width: 100%;
        text-align: center;
    }
    
    .btn-small {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        width: auto;
    }
    
    .btn-large {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Header sections */
    .classes-header-section {
        padding: 30px 15px;
        margin: 30px 0 20px 0;
    }
    
    .classes-main-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .classes-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .cta-badge {
        font-size: 0.9rem;
        padding: 8px 20px;
    }
    
    .header-cta-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .header-cta-buttons .btn {
        width: 100%;
    }
    
    .header-cta-buttons .cta-primary {
        font-size: 1rem;
        padding: 1rem 2rem;
    }
    
    /* Trust indicators grid - stack on mobile */
    .classes-header-section [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
    
    .classes-header-section [style*="grid-template-columns"] > div {
        padding: 15px 0 !important;
    }
    
    /* Enrollment section */
    .enrollment-title {
        font-size: 1.5rem;
    }
    
    .enrollment-description {
        font-size: 0.95rem;
    }
    
    .enrollment-cta-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .enrollment-cta-buttons .btn {
        width: 100%;
        margin-right: 0 !important;
    }
    
    .quick-enrollment-section form {
        flex-direction: column;
        gap: 15px;
    }
    
    .quick-enrollment-section .form-group {
        min-width: 100%;
    }
    
    .quick-enrollment-section button[type="submit"] {
        width: 100%;
        padding: 1rem 2rem;
    }
    
    /* Browse section */
    .browse-classes-title {
        font-size: 1.75rem;
    }
    
    .browse-classes-description {
        font-size: 0.95rem;
    }
    
    /* Classes grid */
    .classes-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Session cards */
    .session-card {
        flex-direction: column;
        gap: 15px;
    }
    
    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Admin tables - make scrollable */
    .admin-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .admin-table {
        font-size: 0.85rem;
        min-width: 600px;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 8px 6px;
        white-space: nowrap;
    }
    
    /* Calendar - make mobile friendly */
    .calendar-section {
        margin: 30px 0 20px 0;
        padding: 15px;
    }
    
    .calendar-main-heading {
        font-size: 1.4rem;
    }
    
    .calendar-subheading {
        font-size: 0.95rem;
    }
    
    .calendar-grid {
        width: 100%;
        max-width: 100%;
    }
    
    .calendar-date-card {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .calendar-date-header {
        padding: 15px;
    }
    
    .calendar-date-title {
        font-size: 1.1rem;
        line-height: 1.3;
    }
    
    .calendar-badge {
        font-size: 0.75rem;
        padding: 3px 10px;
    }
    
    .calendar-session-count {
        font-size: 0.9rem;
    }
    
    .calendar-sessions-container {
        padding: 15px;
    }
    
    .calendar-session-card {
        padding: 15px;
        margin-bottom: 12px;
    }
    
    .session-title {
        font-size: 1.1rem;
    }
    
    .session-details {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    .session-availability {
        margin-top: 10px;
    }
    
    .spots-number {
        font-size: 1.3rem;
    }
    
    .spots-text {
        font-size: 0.8rem;
    }
    
    .session-enroll-btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        display: block;
    }
    
    .calendar-cta-box {
        margin-top: 20px;
        padding: 15px;
    }
    
    .calendar-cta-box p {
        font-size: 0.9rem;
    }
    
    .calendar-empty {
        padding: 30px 15px;
    }
    
    .calendar-empty-icon {
        font-size: 2.5rem;
    }
    
    .calendar-empty-title {
        font-size: 1.1rem;
    }
    
    .calendar-empty-text {
        font-size: 0.9rem;
    }
    
    .admin-section h2 {
        font-size: 1.5rem !important;
    }
    
    /* Calendar navigation */
    .admin-section [style*="display: flex"] form {
        width: 100%;
        justify-content: center;
    }
    
    .admin-section [style*="display: flex"] form label {
        display: none;
    }
    
    .admin-section [style*="display: flex"] form input[type="date"] {
        width: 100%;
        font-size: 0.9rem;
    }
    
    /* Status badges */
    .status-badge {
        font-size: 0.75rem;
        padding: 0.2rem 0.5rem;
    }
    
    /* Auth pages */
    .auth-box {
        padding: 30px 20px;
    }
    
    .auth-box h2 {
        font-size: 1.5rem;
    }
}

/* Services Section */
.services-section {
    margin: 40px 0;
    padding: 40px 0;
}

.services-section h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 2.5rem;
}

.services-section .subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.service-card {
    background: white;
    border-radius: 12px;
    padding: 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.service-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.service-card-content {
    padding: 25px;
    flex-grow: 1;
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.5rem;
    border-bottom: 3px solid #3498db;
    padding-bottom: 10px;
}

.service-card .service-description {
    color: #555;
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.service-card ul li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #555;
    line-height: 1.6;
}

.service-card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Certifications Section */
.certifications-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 50px 20px;
    margin: 60px 0 40px 0;
    border-radius: 12px;
}

.certifications-section h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 2rem;
}

.certifications-section .subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 40px;
    font-size: 1rem;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.certification-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.certification-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.certification-logo {
    max-width: 150px;
    height: auto;
    margin: 0 auto 20px;
    display: block;
}

.certification-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.certification-card .cert-acronym {
    color: #3498db;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.certification-card .cert-title {
    color: #7f8c8d;
    font-size: 0.95rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    /* Services section */
    .services-section {
        padding: 30px 0;
        margin: 30px 0;
    }
    
    .services-section h2 {
        font-size: 1.75rem;
    }
    
    .services-section .subtitle {
        font-size: 1rem;
        padding: 0 15px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card h3 {
        font-size: 1.3rem;
    }
    
    .service-card-image {
        height: 180px;
    }
    
    /* Certifications section */
    .certifications-section {
        padding: 40px 15px;
        margin: 40px 0 30px 0;
    }
    
    .certifications-section h2 {
        font-size: 1.5rem;
    }
    
    .certifications-section .subtitle {
        font-size: 0.95rem;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .certification-card {
        padding: 25px;
    }
    
    .certification-logo {
        max-width: 120px;
    }
}

/* Catalog Page Styles */
.catalog-header-section {
    text-align: center;
    margin: 40px 0 50px 0;
    padding: 50px 30px;
    background: #2c3e50;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(44, 62, 80, 0.3);
    position: relative;
    overflow: hidden;
}

.catalog-header-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

.catalog-header-section > * {
    position: relative;
    z-index: 10;
}

.catalog-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.95);
    color: #2c3e50;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    position: relative;
    z-index: 10;
}

.catalog-main-title {
    font-size: 3rem;
    color: white;
    margin-bottom: 20px;
    font-weight: 800;
    position: relative;
    display: inline-block;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    z-index: 10;
}

.catalog-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.95);
    max-width: 850px;
    margin: 30px auto 30px;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    position: relative;
    z-index: 10;
}

.catalog-cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
    position: relative;
    z-index: 10;
}

.catalog-cta-buttons .btn {
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    transition: all 0.3s;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.catalog-classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.catalog-class-card {
    background: white;
    border-radius: 12px;
    padding: 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 2px solid #ecf0f1;
}

.catalog-class-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    border-color: #3498db;
}

.catalog-card-header {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 25px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.catalog-card-header h3 {
    color: white;
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    flex: 1;
}

.catalog-price-badge {
    background: rgba(255,255,255,0.25);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 1.2rem;
    white-space: nowrap;
    margin-left: 15px;
}

.catalog-description {
    padding: 20px 25px;
    color: #555;
    line-height: 1.7;
    margin: 0;
    flex-grow: 1;
}

.catalog-class-info {
    padding: 0 25px 20px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #ecf0f1;
}

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

.info-label {
    font-weight: 600;
    color: #2c3e50;
}

.info-value {
    color: #555;
    font-weight: 500;
}

.info-value.available {
    color: #27ae60;
    font-weight: 700;
}

.info-value.unavailable {
    color: #7f8c8d;
    font-style: italic;
}

.catalog-next-session {
    background: #e8f5e9;
    padding: 20px 25px;
    margin: 0 25px 20px;
    border-radius: 8px;
    border-left: 4px solid #27ae60;
}

.next-session-badge {
    background: #27ae60;
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 12px;
}

.next-session-details p {
    margin: 8px 0;
    color: #155724;
    font-size: 0.95rem;
}

.catalog-card-actions {
    padding: 0 25px 25px;
    margin-top: auto;
}

.catalog-no-sessions {
    text-align: center;
    padding: 20px;
    background: #fff3cd;
    border-radius: 8px;
    color: #856404;
}

.catalog-no-sessions p {
    margin: 0 0 5px 0;
    font-weight: 600;
}

.catalog-no-sessions small {
    font-size: 0.9rem;
}

.catalog-footer-cta {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    margin: 50px 0 30px;
    border: 2px solid #3498db;
}

.catalog-footer-cta p {
    margin: 0;
    font-size: 1.1rem;
    color: #2c3e50;
}

.catalog-footer-cta a {
    color: #3498db;
    font-weight: 700;
}

/* Site Footer */
.site-footer {
    background-color: #2c3e50;
    color: white;
    padding: 30px 0;
    margin-top: 50px;
    border-top: 3px solid #3498db;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    text-align: center;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-link:hover {
    opacity: 0.8;
}

.footer-logo {
    height: 112.5px;
    width: auto;
    vertical-align: middle;
}

.catalog-footer-cta a:hover {
    color: #2980b9;
}

/* Mobile-specific utilities */
@media (max-width: 768px) {
    /* Footer */
    .site-footer {
        padding: 25px 0;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .footer-logo {
        height: 90px;
    }
    
    /* Admin menu */
    .admin-menu {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .admin-menu-item {
        padding: 25px 20px;
    }
    
    /* Admin stats */
    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-card {
        padding: 15px;
    }
    
    .stat-card h3 {
        font-size: 2rem;
    }
    
    /* Admin section */
    .admin-section {
        padding: 20px 15px;
        margin-bottom: 20px;
    }
    
    .admin-section h3 {
        font-size: 1.3rem;
    }
    
    .admin-form {
        max-width: 100%;
    }
    
    /* Payment summary */
    .payment-summary {
        padding: 20px 15px;
    }
    
    .payment-form {
        padding: 20px 15px;
    }
    
    /* Confirmation */
    .confirmation-box {
        padding: 30px 20px;
    }
    
    .confirmation-box h2 {
        font-size: 1.5rem;
    }
    
    /* Alert messages */
    .alert {
        padding: 0.875rem;
        font-size: 0.95rem;
    }
    
    /* Touch-friendly targets */
    a, button, input[type="submit"], input[type="button"] {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Improve form select on mobile */
    select {
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
        background-repeat: no-repeat;
        background-position: right 0.75rem center;
        background-size: 1em;
        padding-right: 2.5rem;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .navbar h1 {
        font-size: 1.1rem;
    }

    .classes-main-title {
        font-size: 1.5rem;
    }
    
    .catalog-main-title {
        font-size: 1.5rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .admin-stats {
        grid-template-columns: 1fr;
    }
    
    /* Calendar styles for small mobile */
    .calendar-section {
        margin: 20px 0 15px 0;
        padding: 12px;
    }
    
    .calendar-main-heading {
        font-size: 1.2rem;
    }
    
    .calendar-subheading {
        font-size: 0.9rem;
    }
    
    .calendar-date-card {
        margin-bottom: 15px;
    }
    
    .calendar-date-header {
        padding: 12px;
    }
    
    .calendar-date-title {
        font-size: 0.95rem;
    }
    
    .calendar-sessions-container {
        padding: 12px;
    }
    
    .calendar-session-card {
        padding: 12px;
        margin-bottom: 10px;
    }
    
    .session-title {
        font-size: 1rem;
    }
    
    .session-details {
        font-size: 0.8rem;
    }
    
    .spots-number {
        font-size: 1.2rem;
    }
    
    .session-enroll-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .calendar-cta-box {
        margin-top: 15px;
        padding: 12px;
    }
    
    .calendar-cta-box p {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    /* Catalog page */
    .catalog-header-section {
        padding: 30px 15px;
        margin: 30px 0 40px 0;
    }
    
    .catalog-badge {
        font-size: 0.9rem;
        padding: 8px 20px;
    }
    
    .catalog-main-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .catalog-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .catalog-cta-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .catalog-cta-buttons .btn {
        width: 100%;
    }
    
    .catalog-classes-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .catalog-class-card {
        border-width: 1px;
    }
    
    .catalog-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 20px;
    }
    
    .catalog-card-header h3 {
        font-size: 1.3rem;
    }
    
    .catalog-price-badge {
        margin-left: 0;
        margin-top: 0;
        align-self: flex-start;
        font-size: 1.1rem;
    }
    
    .catalog-description {
        padding: 15px 20px;
        font-size: 0.95rem;
    }
    
    .catalog-class-info {
        padding: 0 20px 15px;
    }
    
    .catalog-next-session {
        margin: 0 20px 15px;
        padding: 15px 20px;
    }
    
    .catalog-card-actions {
        padding: 0 20px 20px;
    }
    
    .catalog-footer-cta {
        padding: 25px 15px;
        margin: 40px 0 20px;
    }
    
    .catalog-footer-cta p {
        font-size: 1rem;
    }
}

/* =============================================================================
   ENHANCEMENT LAYER v7 (2026-04)
   Additive, non-breaking polish: design tokens, typography, sticky nav,
   mobile hamburger, dismissible alerts, scroll-to-top, focus rings,
   print + reduced-motion support. Loaded last so rules win where needed.
   ============================================================================= */

:root {
    --color-primary: #3498db;
    --color-primary-dark: #2563a8;
    --color-primary-50: #eaf4fc;
    --color-success: #27ae60;
    --color-success-dark: #1f8a4d;
    --color-danger: #e74c3c;
    --color-danger-dark: #c0392b;
    --color-warning: #f1c40f;
    --color-ink: #1f2937;
    --color-ink-soft: #4b5563;
    --color-muted: #7f8c8d;
    --color-surface: #ffffff;
    --color-surface-2: #f8fafc;
    --color-border: #e5e7eb;
    --color-border-strong: #d1d5db;
    --color-header: #2c3e50;
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, .04);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
    --shadow-md: 0 10px 25px -10px rgba(15, 23, 42, .18);
    --shadow-lg: 0 20px 45px -15px rgba(15, 23, 42, .22);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --focus-ring: 0 0 0 3px rgba(52, 152, 219, .35);
    --transition: 180ms cubic-bezier(.4, 0, .2, 1);
}

/* Typography ---------------------------------------------------------------- */
body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--color-ink);
    background: linear-gradient(180deg, #f5f7fa 0%, #eef2f7 100%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-ink);
    letter-spacing: -0.01em;
}

/* Navbar title stays white against the dark bar. */
.navbar h1,
.navbar h1 a { color: #fff; }

::selection { background: rgba(52, 152, 219, .25); }

/* Accessibility: skip link + global focus ---------------------------------- */
.skip-link {
    position: absolute;
    top: -40px;
    left: 8px;
    background: var(--color-header);
    color: #fff;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    z-index: 10000;
    text-decoration: none;
    transition: top var(--transition);
}
.skip-link:focus { top: 8px; }

:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: var(--radius-sm);
}

/* Sticky translucent nav --------------------------------------------------- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(44, 62, 80, 0.92);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 2px 20px rgba(15, 23, 42, 0.15);
}
.navbar h1 {
    font-weight: 700;
    letter-spacing: -0.01em;
}
.nav-links a {
    font-weight: 500;
    position: relative;
    transition: background-color var(--transition), color var(--transition);
}
.nav-links a::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
    transform: scaleX(1);
}

/* Mobile hamburger (button injected by app.js) ------------------------------ */
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), border-color var(--transition);
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.08); }
.nav-toggle[aria-expanded="true"] { background: rgba(255, 255, 255, 0.12); }
.nav-toggle .hamburger {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    position: relative;
    transition: background var(--transition);
}
.nav-toggle .hamburger::before,
.nav-toggle .hamburger::after {
    content: "";
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    background: #fff;
    transition: transform var(--transition), top var(--transition);
}
.nav-toggle .hamburger::before { top: -6px; }
.nav-toggle .hamburger::after  { top:  6px; }
.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger::after  { top: 0; transform: rotate(-45deg); }

@media (max-width: 960px) {
    .nav-toggle { display: inline-flex !important; }
    .navbar .container {
        position: relative;
        flex-direction: row !important;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 10px 15px;
    }
    .navbar h1 {
        font-size: 1.15rem;
        text-align: left;
        flex: 1 1 auto;
        min-width: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* Mobile menu - fixed positioning for reliable display (mobile only) */
@media (max-width: 960px) {
    #primary-navigation {
        display: none;
    }
    #primary-navigation.is-open {
        display: block !important;
        position: fixed !important;
        top: 60px !important;
        left: 10px !important;
        right: 10px !important;
        height: auto !important;
        background: #2c3e50 !important;
        border-radius: 8px !important;
        box-shadow: 0 8px 32px rgba(0,0,0,0.4) !important;
        z-index: 9999 !important;
        padding: 10px !important;
    }
    #primary-navigation.is-open a {
        display: block !important;
        color: #fff !important;
        background: transparent !important;
        padding: 14px 18px !important;
        font-size: 16px !important;
        font-weight: 500 !important;
        text-decoration: none !important;
        border-radius: 6px !important;
        margin: 4px 0 !important;
    }
    #primary-navigation.is-open a:hover {
        background: rgba(255,255,255,0.1) !important;
    }
}

/* Buttons ------------------------------------------------------------------ */
.btn {
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xs);
    transition: transform var(--transition), box-shadow var(--transition),
                background-color var(--transition), filter var(--transition);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(0); filter: brightness(0.96); }
.btn:focus-visible { box-shadow: var(--shadow-sm), var(--focus-ring); }
.btn[disabled], .btn.is-loading {
    cursor: wait;
    opacity: 0.75;
    pointer-events: none;
}
.btn.is-loading::after {
    content: "";
    display: inline-block;
    width: 0.9em;
    height: 0.9em;
    margin-left: 0.6em;
    vertical-align: -0.15em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Forms -------------------------------------------------------------------- */
.form-group input,
.form-group select,
.form-group textarea {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:hover:not(:disabled),
.form-group select:hover:not(:disabled),
.form-group textarea:hover:not(:disabled) {
    border-color: var(--color-border-strong);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

/* Auth card polish --------------------------------------------------------- */
.auth-box {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

/* Cards (classes / sessions / admin menu) polish --------------------------- */
.class-card,
.session-card,
.admin-menu-item,
.admin-section,
.stat-card,
.payment-summary,
.payment-form,
.confirmation-box,
.calendar-section,
.calendar-date-card {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}
.class-card:hover,
.admin-menu-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}
.stat-card h3 {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* Tables ------------------------------------------------------------------- */
.admin-table {
    border-radius: var(--radius-md);
    overflow: hidden;
}
.admin-table th {
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    color: var(--color-ink-soft);
    background: var(--color-surface-2);
    border-bottom: 1px solid var(--color-border-strong);
}
.admin-table tbody tr {
    transition: background-color var(--transition);
}
.admin-table tbody tr:hover {
    background-color: var(--color-primary-50);
}

/* Alerts (dismissible + subtle icons) -------------------------------------- */
.alert {
    position: relative;
    border-radius: var(--radius-md);
    padding-left: 3rem;
    box-shadow: var(--shadow-xs);
    border-left-width: 4px;
}
.alert::before {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    line-height: 1;
}
.alert-success { border-left-color: var(--color-success); }
.alert-success::before { content: "✓"; color: var(--color-success-dark); font-weight: 700; }
.alert-error   { border-left-color: var(--color-danger); }
.alert-error::before   { content: "⚠"; color: var(--color-danger-dark); }
.alert-warning { border-left-color: #d69e2e; }
.alert-warning::before { content: "!"; color: #b7791f; font-weight: 700; }
.alert-info    { border-left-color: var(--color-primary); }
.alert-info::before    { content: "i"; font-style: italic; color: var(--color-primary-dark); font-weight: 700; }
.alert .alert-close {
    position: absolute;
    top: 6px;
    right: 8px;
    background: transparent;
    border: 0;
    font-size: 1.15rem;
    line-height: 1;
    color: inherit;
    opacity: 0.6;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: opacity var(--transition), background-color var(--transition);
}
.alert .alert-close:hover { opacity: 1; background: rgba(0, 0, 0, 0.06); }

/* Flash auto-dismiss animation */
.alert.is-dismissing {
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 240ms ease, transform 240ms ease;
}

/* Scroll-to-top button ----------------------------------------------------- */
.scroll-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 0;
    background: var(--color-primary);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity var(--transition), transform var(--transition),
                background-color var(--transition), box-shadow var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 900;
}
.scroll-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.scroll-top:hover { background: var(--color-primary-dark); }
.scroll-top:focus-visible { box-shadow: var(--shadow-md), var(--focus-ring); }

/* Reveal-on-scroll --------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 420ms ease, transform 420ms ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion ----------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1 !important; transform: none !important; }
}

/* Print -------------------------------------------------------------------- */
@media print {
    .navbar, .site-footer, .scroll-top, .nav-toggle, .alert-close,
    .btn, form { display: none !important; }
    body { background: #fff; color: #000; }
    .container { max-width: 100%; padding: 0; }
    a { color: #000; text-decoration: underline; }
    .admin-section, .class-card, .calendar-date-card, .confirmation-box {
        box-shadow: none;
        border: 1px solid #999;
        page-break-inside: avoid;
    }
}

/* =============================================================================
   MOBILE OPTIMIZATION LAYER v7
   Resolves conflicts with earlier @media (max-width: 768px) rules so the
   hamburger nav works, inputs don't trigger iOS zoom, tables scroll with
   visible affordance, and inline-styled admin chunks don't blow out the
   viewport. Uses high-specificity selectors where needed to win over
   inline styles in the admin pages.
   ============================================================================= */

/* Prevent iOS tap-highlight flash and horizontal scroll everywhere. */
html, body { max-width: 100vw; }
html { -webkit-tap-highlight-color: transparent; }

/* Inputs ≥16px font prevents iOS Safari from zooming on focus (everywhere,
   not only inside .form-group). */
@media (max-width: 768px) {
    input, select, textarea {
        font-size: 16px !important;
    }
}

/* Respect iOS safe areas (notch / home indicator) when viewport-fit=cover. */
@supports (padding: max(0px)) {
    .navbar > .container,
    main > .container,
    main.container,
    .site-footer > .container {
        padding-left: max(15px, env(safe-area-inset-left));
        padding-right: max(15px, env(safe-area-inset-right));
    }
    .site-footer {
        padding-bottom: max(30px, env(safe-area-inset-bottom));
    }
    .scroll-top {
        right: max(20px, env(safe-area-inset-right));
        bottom: max(20px, env(safe-area-inset-bottom));
    }
}

/* ------- Buttons: stop full-width stacking for all .btn on mobile --------- */
@media (max-width: 768px) {
    /* Earlier rule forced 100% width on every .btn; restore sane defaults. */
    .btn {
        width: auto;
    }
    /* Only block-level CTAs that opt in should stretch. */
    .btn-block,
    .auth-box .btn,
    .header-cta-buttons .btn,
    .enrollment-cta-buttons .btn,
    .form-row + .btn,
    form > button[type="submit"]:only-of-type:not(.btn-small) {
        width: 100%;
    }
    /* Ensure comfortable tap targets but don't balloon tiny icon buttons. */
    a.btn, button.btn {
        min-height: 44px;
    }
    .btn-small {
        min-height: 36px;
        padding: 0.45rem 0.85rem;
        font-size: 0.85rem;
    }
}

/* ------- Container padding tuned for small phones ------------------------- */
@media (max-width: 480px) {
    .container { padding: 12px; }
    .admin-section { padding: 18px 14px; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }
}

/* ------- Admin tables: horizontal scroll with fade hint ------------------- */
.admin-table-wrapper {
    position: relative;
    scrollbar-width: thin;
}
.admin-table-wrapper::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 24px;
    pointer-events: none;
    background: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.9));
    opacity: 0;
    transition: opacity var(--transition);
}
@media (max-width: 900px) {
    .admin-table-wrapper::after { opacity: 1; }
}
/* Slightly smaller cell padding on phones to fit more content */
@media (max-width: 480px) {
    .admin-table th,
    .admin-table td {
        padding: 8px 8px;
        font-size: 0.82rem;
    }
}

/* ------- Tame inline-styled admin grids / min-widths on mobile ------------ */
@media (max-width: 768px) {
    /* Many admin pages use inline 'min-width: 250px/300px/350px' chunks that
       overflow on phones. Neutralize them and let content wrap. */
    [style*="min-width:"] {
        min-width: 0 !important;
    }
    /* Inline grid-template-columns: repeat(auto-fit, minmax(XXXpx, 1fr))
       forces wide cards — collapse to single column. */
    [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
    /* Restore flex direction only on inline flex rows that don't already
       declare it as column. Most wrap via flex-wrap, but many use a wide gap. */
    [style*="display: flex"][style*="gap:"] {
        gap: 10px !important;
    }
    /* Action button rows in admin tables: always wrap */
    .admin-table td [style*="display: flex"] {
        flex-wrap: wrap !important;
    }
}

/* ------- Modals: full-bleed on small screens ------------------------------ */
@media (max-width: 640px) {
    #resetPasswordModal > div,
    #scheduleModal > div,
    #editClassModal > div {
        max-width: calc(100vw - 24px) !important;
        width: calc(100vw - 24px) !important;
        max-height: calc(100vh - 24px) !important;
        overflow-y: auto !important;
        padding: 20px !important;
    }
}

/* ------- Footer: smaller logo, gentle stacking ---------------------------- */
@media (max-width: 480px) {
    .footer-logo { height: 64px; }
    .footer-content { font-size: 0.9rem; }
}

/* ------- Hero/panel typography on small screens -------------------------- */
@media (max-width: 480px) {
    .classes-main-title,
    .enrollment-title,
    .browse-classes-title { font-size: 1.5rem; }
    .classes-subtitle,
    .enrollment-description,
    .browse-classes-description { font-size: 0.95rem; }
    .cta-badge,
    .enrollment-badge,
    .browse-badge { font-size: 0.8rem; padding: 6px 14px; }
}

/* ------- Cards inside quick-enrollment section + similar ------------------ */
@media (max-width: 768px) {
    .quick-enrollment-section {
        padding: 24px 18px;
    }
    .quick-enrollment-section .form-group {
        min-width: 0 !important;
        width: 100%;
    }
}

/* ------- Calendar session card polish on phones -------------------------- */
@media (max-width: 480px) {
    .calendar-session-card { padding: 14px; }
    .session-title { font-size: 1rem; }
    .session-availability { gap: 8px; }
    .spots-box { padding: 8px 12px; }
    .spots-number { font-size: 1.2rem; }
    .session-enroll-btn { padding: 10px 18px; font-size: 0.95rem; width: 100%; text-align: center; }
}

/* ------- Alerts on narrow screens ---------------------------------------- */
@media (max-width: 480px) {
    .alert {
        padding-left: 2.5rem;
        padding-right: 2.2rem;
        font-size: 0.93rem;
    }
    .alert::before { left: 0.75rem; }
}

/* ------- Scroll-to-top: smaller & out-of-the-way on phones --------------- */
@media (max-width: 480px) {
    .scroll-top {
        width: 42px;
        height: 42px;
        font-size: 1.05rem;
    }
}

/* ------- Auto-logout modal: fit small screens --------------------------- */
@media (max-width: 480px) {
    #session-timeout-modal > div {
        max-width: calc(100vw - 24px) !important;
        padding: 22px !important;
    }
}

/* ------- Admin stats: keep two-up on tiny screens if room --------------- */
@media (max-width: 380px) {
    .admin-stats { grid-template-columns: 1fr !important; }
}

/* Registration CAPTCHA */
.captcha-hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.captcha-math__prompt {
    margin: 0 0 0.5rem;
    font-size: 0.95rem;
    color: #334155;
}

.captcha-math__input {
    max-width: 8rem;
}

.captcha-hint {
    display: block;
    margin-top: 0.35rem;
    color: #64748b;
    font-size: 0.82rem;
}

.captcha-turnstile .cf-turnstile {
    margin: 0.25rem 0;
}