/* RBO Website Toolkit - Main Stylesheet (DTC Branded) */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* ===== CSS Variables - DTC Brand Colors ===== */
:root {
    /* DTC Brand Colors */
    --primary-color: #034ea2;
    --primary-dark: #023a7a;
    --secondary-color: #f7941d;
    --accent-color: #00AAFF;
    
    /* Neutrals */
    --text-color: #212529;
    --text-light: #686363;
    --background: #ffffff;
    --background-alt: #f5f7fa;
    --border-color: #e0e0e0;
    --dark-bg: #222529;
    --top-bar-bg: #e8eef0;
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Layout */
    --max-width: 1250px;
    --content-width: 800px;
    --border-radius: 8px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--text-color);
    background-color: var(--background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-weight: 400;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 500;
    color: #000000;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

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

strong {
    font-weight: 600;
}

/* ===== Accessibility ===== */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    z-index: 9999;
    text-decoration: none;
    font-weight: 500;
    transition: top 0.2s ease;
}

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

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

/* ===== Layout ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.main-content {
    flex: 1;
}

/* ===== Top Bar ===== */
.top-bar {
    background-color: var(--top-bar-bg);
    padding: var(--spacing-sm) 0;
    font-size: 14px;
    line-height: 21px;
    color: #444444;
}

.top-bar-content {
    display: flex;
    justify-content: flex-start;
}

/* ===== Header ===== */
.site-header {
    background: var(--background);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-main {
    height: 110px;
    display: flex;
    align-items: center;
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: var(--spacing-lg);
}

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

.logo-link {
    display: flex;
    align-items: center;
}

.site-logo {
    height: 90px;
    width: auto;
    padding: 10px 0;
}

.site-title h1 {
    font-size: 1.25rem;
    margin-bottom: 0;
    color: #000000;
    font-weight: 500;
}

.tagline {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* ===== Navigation ===== */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    margin: 0;
}

.nav-item a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: #000000;
    font-weight: 500;
    font-size: 14px;
    line-height: 16px;
    border-radius: var(--border-radius);
    transition: background 0.2s ease, color 0.2s ease;
}

.nav-item a:hover {
    color: var(--text-light);
    text-decoration: none;
}

.nav-item.active a {
    color: var(--text-light);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* Dropdown Menu */
.nav-item.has-dropdown {
    position: relative;
}

.nav-item.has-dropdown > a {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-arrow {
    border: solid currentColor;
    border-width: 0 2px 2px 0;
    display: inline-block;
    padding: 3px;
    transform: rotate(45deg);
    margin-left: 4px;
    margin-bottom: 2px;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    z-index: 100;
    list-style: none;
    margin: 0;
}

.nav-item.has-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--text-color);
    font-size: 0.9375rem;
    transition: background 0.2s ease;
}

.dropdown-menu a:hover {
    background: var(--background-alt);
    color: var(--primary-color);
    text-decoration: none;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    min-height: 44px;
}

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

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

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

.btn-secondary:hover {
    background: #e5850c;
    border-color: #e5850c;
    color: white;
    text-decoration: none;
}

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
    font-weight: 700;
}

/* ===== Banner / Hero Section ===== */
.banner {
    position: relative;
    background-size: cover;
    background-position: center;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(3, 78, 162, 0.75);
}

.banner-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-xxl);
    max-width: 700px;
    margin-left: 10%;
}

.banner-title {
    color: white;
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.banner-subtitle {
    color: white;
    font-size: 1.125rem;
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.banner-cta {
    margin-top: var(--spacing-lg);
}

.banner-cta .btn {
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Page hero for non-banner pages */
.page-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
}

.page-hero h1 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.page-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Section Title ===== */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    color: #000000;
}

/* ===== Page Content ===== */
.page-content {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

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

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Row Layout ===== */
.row {
    display: flex;
    flex-wrap: wrap;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.row.align-center {
    justify-content: center;
}

.col {
    flex: 1;
    min-width: 0;
}

.col-8 {
    flex: 0 0 66.666%;
    max-width: 66.666%;
}

.col-10 {
    flex: 0 0 83.333%;
    max-width: 83.333%;
}

/* ===== Events ===== */
.events-page {
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

.events-section {
    margin-bottom: var(--spacing-xxl);
}

.events-section h2 {
    margin-bottom: var(--spacing-lg);
}

/* Featured Event Card (Horizontal Layout) */
.featured-event-card {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 0;
    background: var(--background-alt);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.featured-event-image {
    width: 100%;
    height: 100%;
    min-height: 400px;
    object-fit: cover;
}

.featured-event-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-event-dates {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.featured-event-dates p {
    margin-bottom: var(--spacing-xs);
}

.featured-event-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.featured-event-description {
    color: var(--text-color);
    margin-bottom: var(--spacing-lg);
}

.featured-event-highlights {
    list-style: none;
    margin: 0 0 var(--spacing-lg) 0;
    padding: 0;
}

.featured-event-highlights li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.highlight-check {
    color: #4CAF50;
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Standard Event Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.event-card {
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.event-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.event-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.event-card-content {
    padding: var(--spacing-lg);
}

.event-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.event-card-date {
    font-size: 0.875rem;
    color: var(--text-light);
}

.event-card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.event-card-title a {
    color: var(--primary-color);
    font-weight: 600;
}

.event-card-title a:hover {
    text-decoration: underline;
}

.event-card-location {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.event-card-excerpt {
    color: var(--text-color);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

/* ===== Event Detail Page ===== */
.event-page {
    max-width: var(--max-width);
    margin: 0 auto;
}

.event-banner {
    position: relative;
    height: 445px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
}

.event-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(3, 78, 162, 0.686);
}

.event-banner-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: var(--spacing-xxl);
    text-align: center;
}

.event-banner-content h1 {
    color: white;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0;
}

.event-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.event-status-badge {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 100px;
}

.badge-upcoming {
    background: #E8F5E9;
    color: #2E7D32;
}

.badge-past {
    background: var(--background-alt);
    color: var(--text-light);
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--background-alt);
    border-radius: var(--border-radius);
}

.event-meta > div {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-color);
    font-size: 1rem;
}

.event-meta .icon {
    font-size: 1.25rem;
}

.event-content {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.event-cta {
    background: var(--background-alt);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    margin: var(--spacing-xl) auto;
    max-width: var(--content-width);
}

.event-cta h2 {
    margin-bottom: var(--spacing-md);
}

.registration-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-light);
}

.event-speakers {
    max-width: var(--content-width);
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-lg);
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.speaker-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--background-alt);
    border-radius: var(--border-radius);
}

.speaker-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-md);
}

.speaker-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.speaker-title,
.speaker-org {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.event-footer {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.back-link {
    font-weight: 500;
}

/* ===== Sponsors Section ===== */
.sponsors-section {
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--background-alt);
    text-align: center;
}

.sponsors-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: var(--content-width);
    margin: 0 auto;
}

.sponsor-logo {
    height: 60px;
    width: auto;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.sponsor-logo:hover {
    opacity: 1;
}

/* ===== Contact Page ===== */
.contact-page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.contact-content {
    max-width: var(--content-width);
    margin: 0 auto var(--spacing-xl);
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: var(--max-width);
}

.contact-card {
    padding: var(--spacing-xl);
    background: var(--background-alt);
    border-radius: var(--border-radius);
    text-align: center;
}

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

.contact-card.primary-contact h2 {
    color: white;
}

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

.contact-card.primary-contact .btn-primary:hover {
    background: var(--background-alt);
    color: var(--primary-color);
}

.contact-icon {
    margin-bottom: var(--spacing-md);
    color: white;
}

.contact-card h2 {
    margin-bottom: var(--spacing-md);
}

.contact-card p {
    margin-bottom: var(--spacing-lg);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark-bg);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: auto;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h3 {
    color: white;
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    font-size: 0.9375rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--accent-color);
}

.footer-section a:hover {
    color: white;
}

.social-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.social-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: var(--spacing-xl);
    text-align: center;
    font-size: 12px;
    line-height: 18px;
    opacity: 0.8;
}

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

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-lg);
    color: var(--text-light);
}

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

/* ===== Divider ===== */
.divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xl) 0;
}

/* ===== Image Styling ===== */
.img-responsive {
    max-width: 100%;
    height: auto;
}

/* ===== About Sections (Two Column) ===== */
.about-sections {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-lg);
}

.about-section {
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-xxl);
    border-bottom: 1px solid var(--border-color);
}

.about-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.about-section h2 {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
}

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

.about-column {
    display: flex;
    flex-direction: column;
}

.about-logo {
    height: 60px;
    width: 200px;
    object-fit: contain;
    object-position: left;
    margin-bottom: var(--spacing-lg);
}

.about-column p {
    color: var(--text-color);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.about-column .learn-more {
    font-weight: 500;
    color: var(--text-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-light);
    transition: all 0.2s ease;
}

.social-icons a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.social-icons svg {
    width: 18px;
    height: 18px;
}

/* Legacy RBO Info (simple version) */
.rbo-info {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.rbo-info img {
    max-width: 150px;
    height: auto;
    margin-bottom: var(--spacing-md);
}

.rbo-info p {
    font-size: 0.875rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}