:root {
    --primary-orange: #ff9800;
    --dark-orange: #f57c00;
    --light-orange: #ffb74d;
    --white: #ffffff;
    --background: #fff;
    --light-gray: #f8f9fa;
    --dark-gray: #6c757d;
    --text-dark: #212529;
    --border-light: #dee2e6;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 5px 20px rgba(0,0,0,0.15);
    --shadow-heavy: 0 10px 30px rgba(0,0,0,0.2);
    --gradient-primary: linear-gradient(135deg, var(--primary-orange), var(-dark-orange));
    --gradient-light: linear-gradient(135deg, var(--light-orange), var(--primary-orange));

    /* softer shadows + shorter transitions */
    --shadow-1:0 2px 8px rgba(0,0,0,.06);
    --shadow-2:0 6px 18px rgba(0,0,0,.08);
    --transition:.2s ease;
}
body {
    background: var(--white);
}
.navbar {
    background: linear-gradient(135deg, var(--primary-orange), var(--dark-orange));
    padding: 15px 0;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.navbar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 37%;
    height: 100%;
    background: var(--background);
    clip-path: polygon(0 0, 75% 0, 60% 100%, 0 100%);
    z-index: 1;
}

.navbar.scrolled {
    padding: 10px 0;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    position: relative;
    z-index: 2;
    color: var(--background) !important;
    transition: var(--transition);
}

.navbar-logo {
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
    transition: var(--transition);
}

.logo-container:hover .navbar-logo {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    color: var(--background) !important;
    font-weight: 500;
    position: relative;
    margin: 0 10px;
    transition: var(--transition);
    z-index: 2;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--light-orange);
    transition: var(--transition);
    transform: translateX(-50%);
}

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

.navbar-nav .nav-link:hover {
    color: var(--light-orange) !important;
    transform: translateY(-2px);
}

.custom-toggler {
    border: none;
    position: relative;
    z-index: 2;
}

.custom-toggler:focus {
    box-shadow: none;
}


.event-section {
    background: var(--white);
    /*border-radius: 16px;*/
    /*box-shadow: 0 2px 16px rgba(0,0,0,0.06);*/
    padding: 2rem;
    margin: 2rem auto;
    max-width: 1280px;
}
.event-title {
    color: #003366;
    font-size: 2.1rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}
.event-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.event-gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: transform 0.2s;
}
.event-gallery img:hover {
    transform: scale(1.03);
}
.event-description {
    color: #222;
    font-size: 1.08rem;
    margin-bottom: 1.5rem;
}
.register-btn {
    background: var(--primary-orange);
    color: var(--white);
    border: none;
    border-radius: 25px;
    padding: 0.7rem 2.2rem;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1rem;
    transition: background 0.2s;
}
.register-btn:hover {
    background: #e65100;
}
/* Main wrapper clears fixed nav */
.event-detail-main{ padding-top:30px; }

/* Breadcrumbs */
.breadcrumb-section{
    background:var(--white); border-bottom:1px solid var(--border-light);
    padding:.75rem 0;
}
.breadcrumb{ margin:0; background:transparent; }
.breadcrumb-item a{ color:var(--primary-orange); text-decoration:none; }
.breadcrumb-item a:hover{ color:var(-dark-orange); }
.breadcrumb-item.active{ color:var(--dark-gray); }

/* Hero */
.event-hero{
    background:var(--white);
    border-bottom:1px solid var(--border-light);
    padding:2.25rem 0;
}
.event-meta-badges{ display:flex; gap:.5rem; flex-wrap:wrap; }
.badge{
    border-radius:999px; padding:.4rem .75rem; font-size:.8rem; font-weight:600;
}
.event-status.completed{ background:#adb5bd; color:#fff; }
.event-status.upcoming{ background:#28a745; color:#fff; }
.event-category{ background:var(--light-orange); color:#fff; }

.event-hero-title{
    font-size:2rem; font-weight:800; margin:.5rem 0 .35rem;
}
.event-hero-subtitle{ color:var(--dark-gray); font-size:1.05rem; }

/* Section titles */
.section-title{
    font-size:1.35rem; font-weight:800; margin:0 0 1rem; position:relative; padding-bottom:.4rem;
}
.section-title::after{
    content:""; position:absolute; left:0; bottom:0; width:48px; height:3px;
    background:var(--primary-orange); border-radius:2px;
}

/* Card shells */
.card-like{
    background:var(--white);
    border:1px solid var(--border-light);
    border-radius:12px;
    box-shadow:var(--shadow-1);
    padding:1.25rem;
}

/* Gallery */
.event-gallery-section{
    background:var(--white);
    border:1px solid var(--border-light);
    border-radius:12px;
    box-shadow:var(--shadow-1);
    padding:1.25rem;
}
.event-description-section{
    background:var(--white);
    border:1px solid var(--border-light);
    border-radius:12px;
    box-shadow:var(--shadow-1);
    padding:1.25rem;
}

.gallery-main{ border-radius:12px; overflow:hidden; box-shadow:var(--shadow-2); }
.main-gallery-image{ width:100%; height:360px; object-fit:cover; transition:transform .25s ease; }
.main-gallery-image:hover{ transform:scale(1.02); }

.gallery-thumbnails{
    display:grid; gap:.5rem; grid-template-columns:repeat(auto-fill, minmax(96px,1fr));
    margin-top:.5rem;
}
.thumbnail-image{
    width:100%; height:70px; object-fit:cover; border-radius:8px; cursor:pointer;
    border:2px solid transparent; transition:border var(--transition), transform var(--transition);
}
.thumbnail-image:hover{ transform:translateY(-2px); }
.thumbnail-image.active{ border-color:var(--primary-orange); }

/* Description */
.event-description-section{ composes: card-like; }
.highlight-box{
    background:linear-gradient(90deg, var(--primary-orange), var(--light-orange));
    color:#fff; border-radius:10px; padding:1rem; display:flex; gap:.75rem; align-items:center;
}
.highlight-box i{ font-size:1.4rem; }
.event-description p{ margin:1rem 0; }
.feature-list{ list-style:none; padding:0; margin:1rem 0; }
.feature-list li{ display:flex; gap:.5rem; align-items:center; margin:.5rem 0; }
.feature-list i{ color:#28a745; }

/* Speaker */
.speaker-section{
    background:var(--white);
    border:1px solid var(--border-light);
    border-radius:12px;
    box-shadow:var(--shadow-1);
    padding:1.25rem;
}

.speaker-card{
    display:flex; gap:1rem; align-items:center; background:var(--light-gray);
    border:1px solid var(--border-light); border-radius:10px; padding:1rem;
}
.speaker-avatar{
    width:64px; height:64px; border-radius:50%; background:var(--primary-orange);
    display:flex; align-items:center; justify-content:center; color:#fff; font-size:1.35rem; flex-shrink:0;
}
.speaker-title{ color:var(--primary-orange); font-weight:600; margin:.15rem 0; }
.speaker-company{ color:var(--dark-gray); }

/* Sidebar */
.event-sidebar{ position:sticky; top:92px; }
.sidebar-card{
    background:var(--white);
    border:1px solid var(--border-light);
    border-radius:12px;
    box-shadow:var(--shadow-1);
    padding:1.25rem;
    margin-bottom:1rem;
}
.sidebar-card .card-title{ font-weight:800; margin:0 0 .9rem; }
.detail-item{ display:flex; gap:.75rem; align-items:center; margin:.75rem 0; }
.detail-item i{
    width:28px; height:28px; border-radius:50%; background:var(--light-orange);
    color:#fff; display:inline-flex; align-items:center; justify-content:center; font-size:.8rem;
}

/* Organizers + related */
.organizer-item{ display:flex; gap:.75rem; align-items:center; margin:.75rem 0; }
.organizer-logo{ width:38px; height:38px; border-radius:8px; overflow:hidden; flex-shrink:0; }
.organizer-logo img{ width:100%; height:100%; object-fit:contain; }
.collaborator-list{ border-top:1px solid var(--border-light); margin-top:1rem; padding-top:.75rem; }
.collaborator-list ul{ margin:0; padding-left:1rem; }
.collaborator-list li{ color:var(--dark-gray); margin:.35rem 0; }

.related-event a{
    display:flex; gap:.75rem; align-items:center; text-decoration:none; color:inherit;
    padding:.6rem; border-radius:8px; transition:background var(--transition), transform var(--transition);
}
.related-event a:hover{ background:var(--light-gray); transform:translateY(-2px); }
.related-event img{ width:60px; height:44px; object-fit:cover; border-radius:6px; }
/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-orange), #1a252f);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-brand img {
    width: 100px;
    filter: brightness(1.2);
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--light-orange);
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--light-orange);
    transform: translateX(5px);
}

.footer-contact p {
    margin-bottom: 0.8rem;
    color: #ccc;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-icon:hover {
    background: var(--primary-orange);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 152, 0, 0.4);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.copyright {
    text-align: center;
    color: #ccc;
}

.copyright-subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}
@media (max-width: 991.98px) {
    .event-section {
        padding: 1rem;
    }
    .event-gallery img {
        height: 110px;
    }
}
@media (max-width: 767.98px) {
    .event-section {
        padding: 0.5rem;
    }
    .event-title {
        font-size: 1.2rem;
    }
    .event-gallery {
        grid-template-columns: 1fr;
    }
    .navbar::before {
        width: 100%;
        clip-path: none;
        z-index: -3;
    }
    .navbar::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        width: 38%;
        color: black;
        height: 100%;
        background: var(--background) ;
        clip-path: polygon(0 0, 75% 0, 60% 100%, 0 100%);
        /*z-index: -3;*/
    }
    .navbar-brand {
        color: black !important;
        position: relative;
        z-index: 2;
    }

    .navbar-nav .nav-link {
        color: black !important;
        position: relative;
        z-index: 2;
    }

    .navbar-toggler {
        position: relative;
        z-index: 2;
    }

    .navbar-toggler-icon {
        color: black !important;
    }

    .navbar-collapse {
        position: relative;
        z-index: 2;
    }
}

@media (max-width: 480px) {
    .navbar::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        width: 38%;
        color: black;
        height: 100%;
        background: var(--background) ;
        clip-path: polygon(0 0, 75% 0, 60% 100%, 0 100%);
        z-index: -3;
    }
    .navbar-brand {
        color: black !important;
        position: relative;
        z-index: 2;
    }

    .navbar-nav .nav-link {
        color: black !important;
        position: relative;
        z-index: 2;
    }

    .navbar-toggler {
        position: relative;
        z-index: 2;
    }

    .navbar-toggler-icon {
        color: black !important;
    }

    .navbar-collapse {
        position: relative;
        z-index: 2;
    }
}