/* ============================================
   NORWICH EVENT HUB - ENHANCED UI STYLES
   Modern, Animated, Premium Design
   ============================================ */

/* Enhanced Color Palette */
:root {
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3AB8FF 0%, #234F32 100%);
    --gradient-neon: linear-gradient(135deg, #3AB8FF 0%, #D6A72B 100%);
    --gradient-dark: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
    --shadow-neon: 0 0 30px rgba(58, 184, 255, 0.6);
    --shadow-gold: 0 0 20px rgba(214, 167, 43, 0.4);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-blur: blur(10px);
}

/* Enhanced Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(58, 184, 255, 0.4); }
    50% { box-shadow: 0 0 40px rgba(58, 184, 255, 0.8); }
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* Enhanced Hero Section */
.hero {
    position: relative;
    min-height: 700px;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(58, 184, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(214, 167, 43, 0.1) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

.skyline {
    animation: float 8s ease-in-out infinite;
}

.hero-title {
    font-size: 5rem;
    background: linear-gradient(135deg, #3AB8FF, #D6A72B, #3AB8FF);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite, slide-up 0.8s ease-out;
    text-shadow: none;
    filter: drop-shadow(0 0 30px rgba(58, 184, 255, 0.5));
}

.hero-subtitle {
    animation: slide-up 0.8s ease-out 0.2s backwards;
    font-size: 1.4rem;
    font-weight: 300;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-cta {
    animation: slide-up 0.8s ease-out 0.4s backwards;
}

/* Enhanced Buttons */
.btn {
    position: relative;
    overflow: hidden;
    border-radius: 50px;
    font-size: 0.95rem;
    padding: 1rem 2.5rem;
    transform: perspective(1px) translateZ(0);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-neon);
    border: none;
    box-shadow: var(--shadow-md), 0 0 20px rgba(58, 184, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-neon);
}

.btn-secondary {
    background: transparent;
    backdrop-filter: var(--glass-blur);
    border: 2px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Enhanced Event Cards */
.event-card {
    position: relative;
    background: var(--gradient-card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-neon);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.event-card:hover::before {
    transform: scaleX(1);
}

.event-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.event-image {
    position: relative;
    height: 220px;
    background: var(--gradient-primary);
    transition: transform 0.6s ease;
}

.event-card:hover .event-image {
    transform: scale(1.05);
}

.event-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
}

.event-content {
    padding: 1.5rem;
    position: relative;
}

.event-date {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, #3AB8FF, #2A8FD4);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(58, 184, 255, 0.3);
}

.event-title {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, #000, #333);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
}

.event-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 1rem;
}

.event-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 1.2rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.event-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-gold);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.event-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.event-link:hover {
    gap: 0.8rem;
    color: var(--color-electric-blue);
}

.event-link:hover::after {
    transform: translateX(5px);
}

/* Category Badge */
.event-card[data-category]::after {
    content: attr(data-category);
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.event-card[data-category="nightlife"]::after {
    background: linear-gradient(135deg, #3AB8FF, #2A8FD4);
}

.event-card[data-category="gigs"]::after {
    background: linear-gradient(135deg, #D6A72B, #B8901F);
}

.event-card[data-category="culture"]::after {
    background: linear-gradient(135deg, #234F32, #1A3D26);
}

.event-card[data-category="sports"]::after {
    background: linear-gradient(135deg, #FF6B6B, #C92A2A);
}

.event-card[data-category="markets"]::after {
    background: linear-gradient(135deg, #51CF66, #37B24D);
}

/* Enhanced Navigation */
.navbar {
    backdrop-filter: blur(20px);
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 1px solid rgba(58, 184, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-menu a {
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-neon);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* Enhanced Sections */
.section-title {
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-neon);
    border-radius: 2px;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

/* Category Cards Enhancement */
.category-card {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.category-card:hover::before {
    left: 100%;
}

.category-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    transition: transform 0.4s ease;
}

.category-card:hover .category-icon {
    transform: scale(1.2) rotate(5deg);
}

/* Scroll Animations */
.fade-in {
    animation: slide-up 0.8s ease-out;
}

/* Loading States */
.event-card.placeholder {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Enhanced Footer */
.footer {
    background: var(--gradient-dark);
    color: var(--color-white);
    border-top: 2px solid var(--color-electric-blue);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-neon);
    box-shadow: var(--shadow-neon);
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .event-card {
        margin-bottom: 1.5rem;
    }

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}