/* ============================================
   NORWICH EVENT HUB - MAIN STYLESHEET
   Brand: Modern Minimal + Urban Neon + Norwich Heritage
   ============================================ */

/* CSS Variables - Brand Colors */
:root {
    --color-black: #000000;
    --color-electric-blue: #3AB8FF;
    --color-gold: #D6A72B;
    --color-forest-green: #234F32;
    --color-white: #FFFFFF;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #CCCCCC;
    --color-gray-dark: #666666;
    
    /* Fonts */
    --font-headline: 'Montserrat', sans-serif;
    --font-subheading: 'Bebas Neue', cursive;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Container */
    --container-max-width: 1200px;
}

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-gray-medium);
    border-top-color: var(--color-electric-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headline);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
    font-family: var(--font-subheading);
    letter-spacing: 2px;
}

h3 {
    font-size: 1.5rem;
}

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

a {
    color: var(--color-electric-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-gold);
}

/* Navigation */
.navbar {
    background-color: var(--color-black);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
    font-family: var(--font-subheading);
    font-size: 1.5rem;
    letter-spacing: 3px;
}

.logo-image {
    height: 40px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    border-radius: 4px;
    display: block;
}

@media (max-width: 768px) {
    .logo-image {
        height: 32px;
        max-width: 100px;
    }
    
    .logo {
        font-size: 1.2rem;
    }
}

.logo-text {
    color: var(--color-electric-blue);
    text-shadow: 0 0 10px rgba(58, 184, 255, 0.5);
}

.logo-subtext {
    font-size: 0.9rem;
    color: var(--color-gold);
}

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

.nav-menu a {
    color: var(--color-white);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-electric-blue);
    border-bottom-color: var(--color-electric-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-forest-green) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.3;
}

.skyline {
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 300"><path fill="%233AB8FF" d="M0,300 L50,250 L100,280 L150,200 L200,220 L250,180 L300,200 L350,150 L400,170 L450,140 L500,160 L550,120 L600,140 L650,100 L700,120 L750,90 L800,110 L850,80 L900,100 L950,70 L1000,90 L1050,60 L1100,80 L1150,50 L1200,70 L1200,300 Z"/></svg>');
    background-size: cover;
    background-position: bottom;
    background-repeat: no-repeat;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-size: 4rem;
    font-family: var(--font-subheading);
    letter-spacing: 5px;
    color: var(--color-electric-blue);
    text-shadow: 0 0 20px rgba(58, 184, 255, 0.8);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-electric-blue);
    box-shadow: 0 0 20px rgba(58, 184, 255, 0.5);
}

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

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

/* Sections */
section {
    padding: var(--spacing-xl) 0;
}

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

/* Featured Events */
.featured-events {
    background-color: var(--color-gray-light);
}

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

.event-card {
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.event-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--color-electric-blue), var(--color-forest-green));
    background-size: cover;
    background-position: center;
}

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

.event-date {
    display: block;
    font-size: 0.875rem;
    color: var(--color-electric-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.event-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.event-location {
    font-size: 0.9rem;
    color: var(--color-electric-blue);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.event-description {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-sm);
}

.event-link {
    color: var(--color-gold);
    font-weight: 600;
}

.event-card.placeholder .event-image {
    background: var(--color-gray-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-dark);
}

/* Featured Venues */
.featured-venues {
    background-color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.venues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.venue-card {
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.venue-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.venue-image {
    width: 100%;
    height: 180px;
    background-size: cover;
    background-position: center;
}

.venue-image-forum {
    background: linear-gradient(135deg, var(--color-electric-blue), var(--color-forest-green));
}

.venue-image-market {
    background: linear-gradient(135deg, var(--color-gold), var(--color-electric-blue));
}

.venue-image-arts {
    background: linear-gradient(135deg, var(--color-forest-green), var(--color-gold));
}

.venue-content {
    padding: var(--spacing-sm);
}

.venue-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.venue-content p {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-sm);
}

.venue-link {
    color: var(--color-electric-blue);
    font-weight: 600;
    display: inline-block;
}

.venue-link:hover {
    color: var(--color-gold);
}

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-medium);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
    display: block;
}

.category-card:hover {
    border-color: var(--color-electric-blue);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(58, 184, 255, 0.3);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
}

.category-card h3 {
    font-size: 1.1rem;
    color: var(--color-black);
    margin: 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-electric-blue), var(--color-forest-green));
    color: var(--color-white);
    text-align: center;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

/* Footer */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--color-electric-blue);
    margin-bottom: var(--spacing-sm);
}

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

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

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

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

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray-medium);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-black);
        flex-direction: column;
        padding: var(--spacing-sm);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        letter-spacing: 2px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}