/* =============================================================================
   LUXE DESIGN ENHANCEMENTS - Premium UX/UI for EEBC
   Based on luxury design principles: generous spacing, subtle shadows, premium typography
   ============================================================================= */

:root {
    /* Luxe Spacing Scale (8px grid) */
    --space-xs: 0.25rem;   /*  4px  */
    --space-sm: 0.5rem;    /*  8px  */
    --space-md: 1rem;      /* 16px  */
    --space-lg: 1.5rem;    /* 24px  */
    --space-xl: 2rem;      /* 32px  */
    --space-2xl: 3rem;     /* 48px  */
    --space-3xl: 4rem;     /* 64px  */
    --space-4xl: 6rem;     /* 96px  */
    --space-5xl: 8rem;     /* 128px */
    
    /* Premium Shadows (multi-layer, subtle) */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.06), 0 4px 6px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(10, 54, 255, 0.12);
    
    /* Luxe Border Radius */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    --radius-xl: 16px;
    
    /* Typography */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================================================
   TYPOGRAPHY - Premium fine-tuning
   ============================================================================= */

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    letter-spacing: -0.3px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--public-text-primary);
}

h1 {
    font-size: 3.75rem;
    line-height: 1.1;
    margin-bottom: var(--space-2xl);
    font-weight: 800;
}

h2 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: var(--space-xl);
    font-weight: 700;
}

h3 {
    font-size: 1.75rem;
    line-height: 1.3;
    margin-bottom: var(--space-lg);
}

p {
    line-height: 1.65;
    letter-spacing: 0.2px;
    color: var(--public-text-primary);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--public-text-secondary);
    font-weight: 500;
    letter-spacing: 0px;
}

.lead {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--public-text-secondary);
    line-height: 1.6;
}

/* =============================================================================
   CARDS - Premium styling with subtle shadows
   ============================================================================= */

.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    background: var(--public-bg-primary);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-body {
    padding: var(--space-xl);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--public-border-light);
    padding: var(--space-lg);
}

/* Event Cards - Premium enhancement */
.event-card {
    border: none;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
}

.event-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.event-card-img {
    height: 200px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
}

.event-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.event-date-badge {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    background: var(--public-primary);
    color: white;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.event-date-badge .day {
    font-size: 1.5rem;
    line-height: 1;
}

.event-date-badge .month {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    margin-top: 4px;
}

/* =============================================================================
   BUTTONS - Premium CTA styling
   ============================================================================= */

.btn {
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    border: none;
    position: relative;
    overflow: hidden;
    font-size: 0.95rem;
    text-transform: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--public-primary) 0%, #0830d9 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(10, 54, 255, 0.25);
}

.btn-primary:hover {
    color: white;
    box-shadow: 0 8px 25px rgba(10, 54, 255, 0.35);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(10, 54, 255, 0.25);
}

.btn-outline-primary {
    color: var(--public-primary);
    border: 2px solid var(--public-primary);
    position: relative;
    z-index: 1;
}

.btn-outline-primary::before {
    background: var(--public-primary);
    z-index: -1;
}

.btn-outline-primary:hover {
    color: white;
    border-color: var(--public-primary);
    box-shadow: 0 4px 15px rgba(10, 54, 255, 0.25);
}

.btn-outline-light {
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
}

/* Size variations */
.btn-lg {
    padding: 1rem 3rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1.5rem;
    font-size: 0.875rem;
}

/* =============================================================================
   FORMS - Premium input styling
   ============================================================================= */

.form-control,
.form-select {
    border: 1px solid var(--public-border-color);
    border-radius: var(--radius-md);
    padding: 0.875rem var(--space-md);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    background: var(--public-bg-primary);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--public-primary);
    box-shadow: 0 0 0 3px rgba(10, 54, 255, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--public-text-primary);
    letter-spacing: 0.3px;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* =============================================================================
   SECTIONS & SPACING - Luxury breathing room
   ============================================================================= */

section {
    padding: var(--space-4xl) 0;
}

section.hero-section {
    padding: var(--space-5xl) 0 var(--space-4xl);
    background: linear-gradient(135deg, var(--public-bg-secondary) 0%, var(--public-bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

section.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(10, 54, 255, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
    position: relative;
}

.divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--public-primary) 0%, var(--public-info) 100%);
    margin: var(--space-lg) auto;
    border-radius: 2px;
}

/* =============================================================================
   CONTAINER & LAYOUT - Premium max-width and margins
   ============================================================================= */

.container {
    max-width: 1280px;
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
}

@media (max-width: 768px) {
    .container {
        padding-left: var(--space-lg);
        padding-right: var(--space-lg);
    }
    
    h1 {
        font-size: 2.5rem;
        margin-bottom: var(--space-xl);
    }
    
    h2 {
        font-size: 1.75rem;
        margin-bottom: var(--space-lg);
    }
    
    section {
        padding: var(--space-3xl) 0;
    }
}

/* =============================================================================
   IMAGES & MEDIA - Premium treatment
   ============================================================================= */

img {
    border-radius: var(--radius-lg);
    max-width: 100%;
    height: auto;
    display: block;
}

.img-fluid {
    border-radius: var(--radius-lg);
}

figure {
    margin: 0;
}

figcaption {
    font-size: 0.875rem;
    color: var(--public-text-secondary);
    margin-top: var(--space-md);
    text-align: center;
    font-style: italic;
}

/* =============================================================================
   NAVBAR - Premium header treatment
   ============================================================================= */

.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    color: var(--public-primary) !important;
}

.nav-link {
    position: relative;
    font-weight: 500;
    letter-spacing: 0.3px;
    padding: var(--space-md) var(--space-lg) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: var(--public-primary);
    transition: width 0.3s, left 0.3s;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

/* =============================================================================
   FOOTER - Premium footer styling
   ============================================================================= */

footer {
    background: linear-gradient(135deg, var(--public-secondary) 0%, #0f2947 100%);
    color: white;
    margin-top: var(--space-5xl);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(10, 54, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(248, 181, 0, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

footer a:hover {
    color: white;
}

footer h5 {
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-lg);
}

/* =============================================================================
   ACCESSIBILITY - Premium focus states
   ============================================================================= */

a:focus-visible,
button:focus-visible,
input:focus-visible,
.nav-link:focus-visible {
    outline: 3px solid var(--public-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* =============================================================================
   UTILITIES & HELPERS
   ============================================================================= */

.text-gradient {
    background: linear-gradient(135deg, var(--public-primary) 0%, var(--public-info) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.divider-line {
    height: 1px;
    background: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0) 100%);
    margin: var(--space-2xl) 0;
}

/* Smooth transitions for all interactive elements */
* {
    transition-property: background-color, border-color, color, fill, stroke, box-shadow, opacity, transform;
    transition-duration: 150ms;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

*:focus-visible {
    transition-duration: 0ms;
}