:root {
    --yb-primary: #20493C;
    --yb-primary-rgb: 32, 73, 60;
    --yb-secondary: #2a6f55;
    --yb-secondary-rgb: 42, 111, 85;
    --yb-accent: #f0ad4e;
    --yb-text-dark: #2c3e50;
    --yb-text-dark-rgb: 44,62,80;
    --yb-text-medium: #5a6872;
    --yb-text-light: #7f8c98;
    --yb-bg-main: #ffffff;
    --yb-bg-light: #f4f7f9;
    --yb-border-color: #dde3e9;
    --yb-border-radius: 16px;
    --yb-border-radius-sm: 8px;
    --yb-transition-fast: 0.25s ease-out;
    --yb-transition-medium: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body { 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; 
    color: var(--yb-text-medium); 
    background-color: var(--yb-bg-light); 
    line-height: 1.75; 
    font-size: clamp(16px, 1.25vw, 18px); /* Bigger base font */
}

h1, h2, h3, h4, h5, h6 {
    font-family: inherit;
    color: var(--yb-text-dark);
    font-weight: 700;
}

/* ✅ HERO SECTION */
.event-detail-hero {
    padding: 90px 0 70px;
    background-size: cover;
    background-position: center;
    position: relative;
    text-align: center;
    color: white;
}
.event-detail-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg,
        rgba(var(--yb-primary-rgb), 0.7) 0%,
        rgba(var(--yb-secondary-rgb), 0.8) 60%,
        rgba(0,0,0,0.85) 100%);
    z-index: 1;
}
.event-detail-hero .container {
    position: relative;
    z-index: 2;
}
.event-detail-hero h1 {
    font-size: clamp(2.8rem, 5.5vw, 4rem); /* bigger */
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}
.event-detail-hero .category-tag {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    padding: 10px 24px;
    border-radius: 25px;
    font-size: 1em;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.3);
}
.event-detail-hero .event-subtitle {
    font-size: 1.25rem;
    color: #e0e0e0;
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

/* ✅ MAIN CONTENT */
.event-detail-content {
    padding: 70px 0;
}

.section-heading {
    font-size: 2rem;  /* bigger */
    color: var(--yb-primary);
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--yb-accent);
}

/* ✅ EVENT SNAPSHOT SIDEBAR */
.sidebar-section-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--yb-primary);
    margin-bottom: 15px;
}

.event-quick-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.event-quick-info li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: 1.5rem; /* increase */
}
.event-quick-info .qi-icon {
    color: var(--yb-secondary);
    margin-right: 12px;
    font-size: 1.25rem;
}
.event-quick-info .qi-label {
    font-weight: 600;
    margin-right: 6px;
    color: var(--yb-text-dark);
}

/* ✅ ABOUT SECTION */
.event-detail-section p {
    font-size: 15px; /* increased */
    color: var(--yb-text-medium);
    line-height: 1.8;
}

/* ✅ REGISTER BUTTON */
.discuss-event-btn {
    display: inline-block;
    background: linear-gradient(to right, var(--yb-primary), var(--yb-secondary));
    color: #fff;
    padding: 14px 35px;
    border-radius: var(--yb-border-radius-sm);
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px rgba(var(--yb-primary-rgb),0.25);
    transition: all 0.3s ease;
}
.discuss-event-btn:hover {
    background-position: right center;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(var(--yb-primary-rgb),0.35);
}

/* ✅ RESPONSIVE FIXES */
@media (max-width: 991px) {
    .event-detail-hero h1 { font-size: 2.5rem; }
    .section-heading { font-size: 1.6rem; }
    .event-detail-content { padding: 50px 20px; }
}
@media (max-width: 767px) {
    .event-detail-hero { padding: 70px 0 50px; }
    .event-detail-hero h1 { font-size: 2rem; }
    .event-detail-hero .event-subtitle { font-size: 1rem; }
    .event-detail-section { padding: 20px; }
}