:root {
    --primary-color: #003366; /* Alliance Blue */
    --secondary-color: #0066cc; /* Lighter Blue */
    --accent-color: #cc0000;   /* Alliance Red */
    --light-color: #f8f9fa;
    --dark-color: #333333;
    --light-bg: #f5f7fa;
}

* {
    margin: 0;
    padding: 0; 
    box-sizing: border-box;
}

body {
    font-family: 'Jost';
    color: var(--dark-color);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Jost';
    font-weight: 700;
    color: var(--primary-color);
}













/* ============================= */
/* Premium AU Navbar             */
/* ============================= */

.au-navbar {
  background: linear-gradient(
    90deg,
    #00152e 0%,
    #002a4f 45%,
    #00152e 100%
  );
    padding: 16px 0;
    transition: all 0.35s ease;
    z-index: 1030;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

/* ============================= */
/* Logo (NO padding constraint)  */
/* ============================= */

.au-brand {
    padding: 0 !important;
    margin: 0;
}

.au-navbar .navbar-brand img {
    height: 52px;                 /* BIGGER logo */
    width: auto;
    transition: all 0.35s ease;
}

/* Shrink logo */
.au-navbar.shrink .navbar-brand img {
    height: 43px;
}

/* ============================= */
/* Nav Links                     */
/* ============================= */

.au-navbar .nav-link {
    position: relative;
    font-size: 13px;
    font-weight: 500;
    color: #ffffff !important;
    padding: 8px 10px !important;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    transition: all 0.3s ease;
}

/* underline animation */
.au-navbar .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: #d4af37; /* premium gold */
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.au-navbar .nav-link:hover::after,
.au-navbar .nav-link.active::after {
    width: 70%;
}

.au-navbar .nav-link:hover {
    color: #d4af37 !important;
}

@media (max-width: 991.98px) {
    .au-navbar .nav-link::after {
        display: none !important;
    }
}



.au-navbar.shrink {
    padding: 10px 0;
    box-shadow: 0 4px 14px rgba(0,0,0,0.35);
}



.navbar-toggler {
    border-color: rgba(255,255,255,0.5);
}

.navbar-toggler-icon {
    filter: invert(1);
}
 








/* ============================= */
/* Parallax Hero Effect         */
/* ============================= */

.hero-section {
    min-height: 106vh;
    display: flex;
    align-items: center;
    background: url('../assets/img/hero.webp') no-repeat center center;
    background-size: cover;
    color: #ffffff;
    padding-top: 120px;
    position: relative;
    overflow: hidden;
    background-attachment: fixed;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        rgba(0, 0, 0, 0.52),
        rgba(0, 0, 0, 0.34)
    );
    z-index: 0;
}


.hero-section .container {
    position: relative;
    z-index: 1;
}






/* ============================= */
/* ABOUT SECTION – MAROON THEME  */
/* ============================= */

#about.about-section {
    background-color: #731014;
    color: #f5f5f5;
    position: relative;
    overflow: hidden;
}

#about .section-title {
    color: #ffffff;
    font-weight: 800;
    letter-spacing: 2px;
    text-align: center;
}

/* #about .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0%;              
    transform: none;      
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, #d4af37, #f1e6d0);
    border-radius: 3px;
} */



#about .section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;

    /* perfect centering */
    transform: translateX(-50%);

    /* refined size */
    width: 160px;
    height: 3px;

    /* elegant conference-style gradient */
    background: linear-gradient(
        90deg,
        transparent,
        #d4af37,
        #f1e6d0,
        #d4af37,
        transparent
    );

    border-radius: 4px;
}



#about .about-content {
    max-width: 100%;
}

#about .about-lead {
    font-size: 21px;
    line-height: 1.71;
    color: rgba(255,255,255,0.92);
}

#about .about-divider {
    background-color: #d4af37;
    opacity: 0.9;
}
#about .about-subheading {
    color: #f1e6d0;
    font-size: 22px;
    font-weight: 700;
    margin-top: 10px;
}

#about .about-list li {
    color: rgba(255,255,255,0.9);
    font-size: 21px;
}

#about .about-list li::before {
    background-color: #d4af37;
}
#about::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        rgba(0,0,0,0.16),
        rgba(0,0,0,0.34)
    );
    pointer-events: none;
}

#about .container {
    position: relative;
    z-index: 2;
}
@media (max-width: 768px) {
    /* #about .about-lead {
        font-size: 1.05rem;
    } */

    #about .section-title {
        font-size: 1.7rem;
    }

}






/* =========================
   NAVBAR FIX: 1399px → 992px
========================= */
@media (max-width: 1399px) and (min-width: 992px) {

    .au-navbar .navbar-brand img {
        height: 46px;
    }

    .au-navbar .nav-link {
        font-size: 14px;
        padding: 8px 8px !important;
        letter-spacing: 0.4px;
    }

    .navbar-nav {
        gap: 2px;
    }
}

@media (max-width: 1199px) and (min-width: 992px) {

    .au-navbar .navbar-brand img {
        height: 44px;
    }

    .au-navbar .nav-link {
        font-size: 13px;
        padding: 6px 6px !important;
        letter-spacing: 0.2px;
    }

    .navbar-nav {
        gap: 0;
    }
}






/* Main content wrapper */
.main-content {
    position: relative;
    background-color: white;
    z-index: 2;
    margin-top: -100px; /* Pulls content up to overlap hero */
    border-radius: 30px 30px 0 0;
    padding-top: 50px;
    box-shadow: 0 -20px 50px rgba(0, 0, 0, 0.1);
}

/* Adjust section spacing for overlap */
section:first-of-type {
    margin-top: 0;
    padding-top: 0;
}

/* About section specific styling for overlap */
#about {
    position: relative;
    z-index: 3;
    background: white;
    padding-top: 43px;
    padding-bottom: 43px;
    margin-top: -50px; /* Further overlap */
}

/* Create a smooth transition from hero to content */
.hero-section::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 200px;
    background: linear-gradient(to bottom, transparent, white);
    z-index: 1;
}

/* Ensure content sections have proper background */
#about,
#topics, 
#publication,
#submission,
#committees,
#dates,
#registration {
    background-color: white;
    position: relative;
}

/* Add slight parallax effect to hero content */
.hero-content {
    transform: translateZ(0); /* Hardware acceleration */
    will-change: transform;
}

/* ============================= */
/* Enhanced Hero Styling        */
/* ============================= */

.conference-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-top: 70px;
    margin-bottom: 16px;
    color: #ffffff;
    max-width: 900px;
    text-shadow: 0 6px 25px rgba(0,0,0,0.6);
}

.conference-subtitle {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 0.6px;
    margin-bottom: 30px;
    color: #d4af37;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);

}

.conference-dates {
    background: #963838;
    backdrop-filter: blur(4px);
    color: #ffffff;
    display: inline-block;
    padding: 16px 25px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1.6rem;
    letter-spacing: 2px;
    border: 1px solid rgba(255,255,255,0.35);
}


.hero-section::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 120px;
    background: linear-gradient(to bottom, rgba(0,0,0,0), #000);
    opacity: 0.35;
}

/* =========================
   HERO – MOBILE VERSION
========================= */
@media (max-width: 768px) {
    .hero-section {
        /* background: url('../assets/img/banner-mobile.webp') no-repeat center center; */
        background-size: cover;
        background-attachment: scroll;
        background-position: center center;
    }
    
    .au-navbar .navbar-brand img {
        height: 42px;
    }

    .au-navbar.shrink .navbar-brand img {
        height: 41px;
    }

    .hero-section .row {
        justify-content: center;
        text-align: center;
    }

    .hero-section .col-lg-8 {
        margin: 0 auto;
    }

    .conference-title,
    .conference-subtitle,
    .conference-dates {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-section::before {
    background: linear-gradient(
        rgba(0, 0, 0, 0.61),
        rgba(0, 0, 0, 0.43)
    );
}
}

@media (max-width: 768px) {    
    .main-content {
        margin-top: -50px;
        border-radius: 20px 20px 0 0;
        padding-top: 30px;
    }
    
    .hero-section::after {
        height: 100px;
    }
    
    #about {
        margin-top: -30px;
        padding-top: 30px;
    }
    
    .conference-title {
        font-size: 2rem!important ;
        line-height: 1.24;
    }
    
    .conference-subtitle {
        font-size: 1.6rem!important ;
        letter-spacing: 2px;
    }
    
    .conference-dates {
        font-size: 1.1rem!important;
        padding: 12px 25px;
    }
}



/* ============================= */
/* Smooth Scroll Enhancement    */
/* ============================= */

html {
    scroll-behavior: smooth;
}

/* Ensure footer has proper spacing */
footer {
    margin-top: 0;
}

/* Animation for hero content on scroll */
@keyframes heroContentFade {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-section .container {
    animation: heroContentFade 1s ease-out;
}








/* Section Styling */
section {
    padding: 43px 0;
}

.section-title {
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 40px;
    font-size: 34px;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 160px;
    height: 3px;
    background: linear-gradient(
        90deg,
        transparent,
        #7a1f2b,
        #b03a3a,
        #7a1f2b,
        transparent
    );
    border-radius: 4px;
}



/* Card Styling - ICLS Style */
.card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    margin-bottom: 25px;
    overflow: hidden;
    background: white;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.card-header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    font-weight: 700;
    font-size: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-body {
    padding: 30px;
}

/* List Styling */
.list-group-item {
    border-left: none;
    border-right: none;
    padding: 15px 0;
    color: #444;
    background: transparent;
}

.list-group-item:first-child {
    border-top: none;
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item i {
    color: var(--secondary-color);
    font-size: 18px;
}

/* Table Styling */
.table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 0;
}

.table thead {
    background-color: var(--primary-color);
}

.table th {
    color: white;
    padding: 18px 20px;
    text-align: left;
    font-weight: 700;
    font-size: 16px;
    border: none;
}

.table td {
    padding: 18px 20px;
    border-bottom: 1px solid #e0e0e0;
    font-size: 15px;
}

.table tbody tr:hover {
    background-color: rgba(240, 248, 255, 0.5);
}

/* ================= Tentative Dates ================= */

.important-dates-section {
  background: #ffffff;
}

.dates-title {
  text-align: center;
  font-size: 34px; 
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 10px;
  text-transform: uppercase;
  color: var(--primary-color);
}

.dates-underline {
    width: 160px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #7a1f2b, #b03a3a, #7a1f2b, transparent);
    margin: 0 auto 40px;
}

.dates-list {
  max-width: 900px;
  margin: 0 auto;
}

.dates-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid #e6e6e6;
  font-size: 16px; 
}

.dates-row span:first-child {
  color: #000000;
}

.dates-row:last-child {
  border-bottom: none;
}

.date {
  font-weight: 600;
  white-space: nowrap;
}

.date.red {
  color: #c0392b;
}

.date.blue {
  color: #1e88e5;
}

.date.dark {
  color: #333;
}


/* ================= Tentative Dates – Mobile ================= */

@media (max-width: 768px) {

  .dates-title {
    font-size: 1.7rem; 
    margin-bottom: 8px;
    margin-top: -7px;
  }

  .dates-underline {
    width: 70px;
    margin-bottom: 28px;
  }

  .dates-list {
    padding: 0 10px;
  }

  .dates-row {
    /* flex-direction: column; */
    align-items: flex-start;
    gap: 4px;
    padding: 14px 0;
    font-size: 15px; /* slightly smaller for mobile */
  }

  .dates-row span:first-child {
    font-weight: 600;
    color: #444;
  }

  .date {
    font-size: 15px;
    font-weight: 700;
  }
}









/* ============================= */
/* Enhanced Topics Section      */
/* ============================= */

#topics {
    padding: 43px 0;
    position: relative;
    background: linear-gradient(180deg, #f9f4f4 0%, #eaf0f9 100%);
}


#topics::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    display: none;
}

#topics .section-title {
    color: var(--primary-color);
    font-family: 'Cambria', 'Georgia', serif;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-align: center;
    font-size: 34px; /* MATCH About desktop */
    position: relative;
    padding-bottom: 22px;
    margin-bottom: 40px;
    margin-top: -7px;

}

#topics .section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 160px;
    height: 3px;
    background: linear-gradient(
        90deg,
        transparent,
        #7a1f2b,
        #b03a3a,
        #7a1f2b,
        transparent
    );
    border-radius: 4px;
}

#topics > .container > p {
    margin: 0 auto 50px;
    font-size: 21px;     /* SAME as #about .about-lead */
    line-height: 1.71;  /* SAME rhythm */
    color: #000;
    font-weight: 600;
}

/* Accordion Enhancement */
#topics .accordion {
    background: #ffffff;
    border-radius: 10px;
    padding: 6px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
}



#topics .accordion-item {
    background: #ffffff;
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1px solid #e1e6ef;
    overflow: hidden;
}

#topics .accordion-item:last-child {
    margin-bottom: 0;
}


#topics .accordion-item:hover {
    background: #f9fbfe;
}

/* Accordion Header Enhancement */
#topics .accordion-button {
    background: linear-gradient(90deg, #f1f4f9, #ffffff);
    color: #003366;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 16px 34px;
    border-left: 6px solid #003366;
}


#topics .accordion-button::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 6px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

#topics .accordion-button:not(.collapsed) {
    background: linear-gradient(90deg, #e9eef7, #ffffff);
    color: #003366;
}


#topics .accordion-button:not(.collapsed)::before {
    opacity: 1;
}

#topics .accordion-button:hover {
    background: #f2f4f7;
}

#topics .accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23003366'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    transition: transform 0.3s ease;
    width: 1.2rem;
    height: 1.2rem;
    background-size: 1.2rem;
}

#topics .accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23cc0000'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    transform: rotate(-180deg);
}

/* Topic Number Styling */
#topics .accordion-button .topic-number {
    display: inline-block;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 32px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-right: 15px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

/* #topics .accordion-button:not(.collapsed) .topic-number {
    background: linear-gradient(135deg, var(--accent-color), #ff5252);
    transform: scale(1.1);
} */

#topics .accordion-button:not(.collapsed) .topic-number {
    transform: none;
}



#topics .accordion-body {
    background: #f9fbff;
    border-top: 1px solid #e1e6ef;
    padding: 32px 36px;
}


#topics .accordion-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 32px;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--secondary-color), transparent);
    opacity: 0.5;
    display: none;
}

/* Topic Grid Enhancement */
#topics .topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}

#topics .topic-item {
    background: #f9fafb;
    border: 1px solid #e1e4e8;
    border-radius: 4px;
    padding: 14px 18px;
    font-size: 1rem;
    font-weight: 600;
    color: #2c3e50;
    box-shadow: none;
    transform: none !important;
}


#topics .topic-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: linear-gradient(to bottom, var(--secondary-color), var(--primary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

#topics .topic-item:hover {
    background: linear-gradient(90deg, #f8fafc, #ffffff);
    border-color: var(--secondary-color);
    transform: translateY(-5px) translateX(5px);
    box-shadow: 0 10px 30px rgba(0, 51, 102, 0.15);
}

#topics .topic-item:hover::before {
    opacity: 1;
}

#topics .topic-item::after {
    content: '→';
    position: absolute;
    right: 20px;
    color: var(--secondary-color);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    font-weight: 700;
}

#topics .topic-item:hover::after {
    opacity: 1;
    transform: translateX(0);
}

/* Topic Item Icon */
#topics .topic-item-icon {
    color: #6c757d;
    font-size: 0.9rem;
    margin-right: 10px;
}

#topics .topic-item::before,
#topics .topic-item::after {
    display: none;
}

#topics .topic-item:hover {
    background: #ffffff;
    border-color: #003366;
}

#topics .track-badge {
    background: #eef2f6;
    color: #003366;
    border: 1px solid #d6dde5;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 3px;
    padding: 3px 8px;
    margin-left: 10px;
}



#topics .topic-item:hover .topic-item-icon {
    transform: scale(1.2) rotate(5deg);
    color: var(--primary-color);
}


#topics .accordion-item:last-child .track-badge {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent-color), #ff5252);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 15px;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#topics .topic-number {
    background: none;
    color: #003366;
    font-weight: 800;
    width: auto;
    height: auto;
    margin-right: 10px;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    #topics .topic-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 16px;
    }
    
    #topics .accordion-button {
        padding: 24px 28px;
        font-size: 1.1rem;
    }
    
    #topics .accordion-body {
        padding: 35px 30px;
    }
}

@media (max-width: 768px) {
    #topics {
        padding: 70px 0;
    }
    
    #topics .section-title {
        font-size: 1.7rem; /* EXACT match with About mobile */
        letter-spacing: 1.5px;
        margin-top: -7px;
    }

    #topics > .container > p {
        font-size: 1.05rem;
        line-height: 1.7;
        padding-left: 10px;
        padding-right: 10px;
    }
    
    #topics .topic-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    
    #topics .accordion-button {
        padding: 20px 24px;
        font-size: 1rem;
    }
    
    #topics .accordion-body {
        padding: 30px 24px;
    }
    
    #topics .accordion-body::before {
        left: 20px;
    }
    
    #topics .topic-item {
        padding: 18px 22px;
        font-size: 0.95rem;
    }
    
    #topics .topic-number {
        width: 28px;
        height: 28px;
        line-height: 28px;
        font-size: 0.8rem;
        margin-right: 12px;
    }
}

@media (max-width: 576px) {
    #topics .section-title {
        font-size: 1.7rem;
        padding-bottom: 20px;
    }
    
    #topics > .container > p {
        font-size: 1.05rem;
        margin-bottom: 40px;
    }
    
    #topics .accordion-button {
        padding: 18px 20px;
    }
    
    #topics .topic-item {
        padding: 16px 20px;
    }
    
    .track-badge {
        display: block;
        margin: 8px 0 0 0 !important;
    }
}

/* Animation for accordion items */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#topics .accordion-collapse.show .topic-item {
    animation: slideIn 0.4s ease forwards;
}

#topics .accordion-collapse.show .topic-item:nth-child(2) {
    animation-delay: 0.05s;
}

#topics .accordion-collapse.show .topic-item:nth-child(3) {
    animation-delay: 0.1s;
}

#topics .accordion-collapse.show .topic-item:nth-child(4) {
    animation-delay: 0.15s;
}

#topics .accordion-collapse.show .topic-item:nth-child(5) {
    animation-delay: 0.2s;
}

#topics .accordion-collapse.show .topic-item:nth-child(6) {
    animation-delay: 0.25s;
}

#topics .accordion-collapse.show .topic-item:nth-child(7) {
    animation-delay: 0.3s;
}

#topics .accordion-collapse.show .topic-item:nth-child(8) {
    animation-delay: 0.35s;
}





.accordion-button:focus {
    box-shadow: none;
    border-color: var(--secondary-color);
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23003366'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23003366'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}


/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* ===== FOOTER (Alliance-style) ===== */
.au-footer {
  background: #000;
  color: #ffffff;
  padding: 43px 0 25px;
  font-size: 15px;
}

.footer-title {
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 18px;
  text-transform: uppercase;
  position: relative;
}

.au-footer p {
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin-bottom: 8px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  justify-content: flex-end;
}

.footer-social a,
.footer-social a:hover,
.footer-social a:focus,
.footer-social a:active {
  text-decoration: none !important;
  border-bottom: none !important;
}


.footer-social a {
  width: 38px;
  height: 38px;
  background: #7a0f16; 
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 14px;
  transition: all 0.25s ease;
}

.footer-social a:hover {
    background: #d4af37;
    color: #000;
    transform: translateY(-2px);
}

/* Divider line */
.footer-divider {
  margin: 35px 0 15px;
  height: 1px;
  background: rgba(255,255,255,0.25);
}

/* Bottom copyright */
.footer-bottom {
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
}

.footer-social a i {
  font-size: 15px;
  line-height: 1;
}




/* Footer Heading */
.footer-heading h2 {
  color: #ffffff;
  font-weight: 800;
  letter-spacing: 2px;
}

.footer-underline {
  display: block;
  width: 160px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #7a1f2b, #b03a3a, #7a1f2b, transparent);
  margin: 0 auto 40px;
}

/* Footer Box */
.footer-box {
  text-align: center;
}

.footer-box h5 {
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 10px;
}

.footer-box p {
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  font-size: 16px;
}

.footer-box a {
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}

.footer-box a:hover {
  color: #d4af37;
}

/* Icons */
.footer-icon {
  width: 52px;
  height: 52px;
  background: #7a0f16;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
}

.footer-icon i {
  color: #ffffff;
  font-size: 20px;
}

/* Social */
.footer-social a {
  width: 38px;
  height: 38px;
  background: #7a0f16;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: 0.3s;
}

.footer-social a:hover {
  background: #d4af37;
  color: #000;
  transform: translateY(-2px);
}

.footer-box-left {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  text-align: left;
}

.footer-box-left .footer-icon {
  margin: 0;
  flex-shrink: 0;
}

.footer-box-left .footer-content h5 {
  margin-bottom: 6px;
}


@media (max-width: 768px) {
  .footer-box-left {
    flex-direction: row;
    justify-content: flex-start;
  }

  .au-footer {
    text-align: center;
    padding-top: 50px;
  }

  .au-footer .row > div {
    margin-bottom: 22px;
  }

  .footer-title {
    font-size: 18px;
    margin-bottom: 10px;
  }

  .au-footer p {
    font-size: 15px;
    line-height: 1.6;
  }

  /* Social icons centered on mobile */
  .footer-social {
    justify-content: center;
    margin-top: 14px;
  }

  .footer-social a {
    width: 40px;
    height: 40px;
  }

  /* Divider spacing */
  .footer-divider {
    margin: 25px 0 18px;
  }

  .footer-bottom {
    font-size: 13px;
    text-align: center;
    line-height: 1.5;
  }
}




/* Background colors */
.bg-light {
    background-color: var(--light-bg) !important;
}

/* Publication Section */


#publication .card {
    border-top: 4px solid var(--accent-color);
    border-left: none;
}

#publication .card-body {
    padding: 40px;
}

#publication ol {
    padding-left: 20px;
    margin-bottom: 0;
}

#publication li {
    margin-bottom: 15px;
    line-height: 1.6;
    font-size: 16px;
}

/* Plagiarism and Review Cards */
#submission .card-header.bg-warning {
    background-color: #ffc107 !important;
    color: #000;
}

#submission .card-header.bg-info {
    background-color: #17a2b8 !important;
    color: white;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .conference-title {
        font-size: 2.4rem;
    }
    
    .conference-subtitle {
        font-size: 1.8rem;
    }
}

@media (max-width: 992px) {
    .conference-title {
        font-size: 2rem;
    }
    
    .conference-subtitle {
        font-size: 1.6rem;
    }
    
    .conference-dates {
        font-size: 1.2rem;
        padding: 12px 30px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 768px) {
    .navbar-nav {
        padding: 15px 0;
    }
    
    .navbar-nav .nav-link {
        padding: 10px 0 !important;
        border-bottom: 1px solid #eee;
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
    
    .btn-au-register {
        width: 100%;
        margin-top: 10px;
    }
    
    .conference-title {
        font-size: 1.8rem;
    }
    
    .conference-subtitle {
        font-size: 1.4rem;
    }
    
    .conference-dates {
        font-size: 1.1rem;
        padding: 10px 25px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin-right: 0;
    }
    
    section {
        padding: 50px 0;
    }
    
    .card-body {
        padding: 25px;
    }
    
    .important-dates {
        padding: 30px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 576px) {
    .conference-title {
        font-size: 1.6rem;
    }
    
    .conference-subtitle {
        font-size: 1.2rem;
    }
    
    .conference-dates {
        font-size: 1rem;
        padding: 10px 20px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .important-dates {
        padding: 20px;
    }
    
    footer {
        padding: 40px 0 20px;
    }
    
    .accordion-button {
        padding: 15px;
        font-size: 15px;
    }
}
























/* ============================= */
/* About Conference – Premium    */
/* ============================= */

.about-section {
    background-color: #ffffff;
    padding-top: 90px;
    padding-bottom: 90px;
}

.about-content {
    max-width: 1400px;
    margin: 0 auto;
}

/* Lead paragraph */
.about-lead {
    font-size: 1.15rem;
    line-height: 1.85;
    color: #333;
    margin-bottom: 40px;
}

/* Subtle divider */
.about-divider {
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 30px 0 35px;
}

/* Subheading */
.about-subheading {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Custom list (no icons, no borders) */
.about-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.about-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 16px;
    line-height: 1.7;
    color: #444;
}

/* Subtle bullet */
.about-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--secondary-color);
    border-radius: 50%;
}

@media (max-width: 768px) {
    .about-section {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .about-lead {
        font-size: 1.05rem;
    }
}




/* ============================= */
/* Clean Committees Section      */
/* ============================= */

#committees {
    background-color: #731014;
    padding: 80px 0;
    position: relative;
}

#committees .container {
    position: relative;
    z-index: 2;
}

#committees .section-title {
    color: #ffffff;
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 25px;

    text-align: center;
    letter-spacing: 2px;

}

/* Centered decorative line */
#committees .section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 140px;
    height: 3px;
    background: linear-gradient(
        90deg,
        transparent,
        #d4af37,
        #f1e6d0,
        #d4af37,
        transparent
    );
    border-radius: 4px;
}


/* Committee Row Styles */
.committee-row {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.committee-row:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.committee-row-title {
    color: #731014;
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #d4af37;
    position: relative;
}

.committee-row-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: #731014;
}

.committee-members {
    list-style: none;
    padding: 0;
    margin: 0;
}

.committee-members li {
    color: #2c3e50;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    
}

.committee-members li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #731014;
    font-weight: bold;
    font-size: 1.2rem;
}

.committee-members li strong {
    color: #731014;
    font-weight: 700;
}

/* Leadership Boxes */
.leadership-boxes {
    margin-bottom: 40px;
}

.leadership-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
    border-top: 4px solid #d4af37;
}

.leadership-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.leadership-box h3 {
    color: #731014;
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(115, 16, 20, 0.1);
}

.leadership-box .name {
    color: #2c3e50;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
}

.leadership-box .title {
    color: #666;
    font-size: 1rem;
    font-style: italic;
}


/* Committee Card Styling */
.committee-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 30px;
    height: 100%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid #d4af37;
}

.committee-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.committee-card-title {
    color: #731014;
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #d4af37;
    position: relative;
}

.committee-card-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: #731014;
}

/* Responsive adjustments for Co-Patrons */
.leadership-box .row {
    margin-top: 20px;
}

.leadership-box .col-md-3 .name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
    line-height: 1.3;
}


.leadership-box .col-md-3 .title {
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

/* Ensure equal height for cards in the same row */
.row.mb-4 {
    display: flex;
    flex-wrap: wrap;
}

.row.mb-4 > div {
    display: flex;
}

.leadership-box, .committee-card {
    flex: 1;
}

/* Reduce gap after Row 1 (Chief Patron & Patron) */
#committees > .container > .row:nth-of-type(1) {
    margin-bottom: -25px !important;   /* default was ~24–32px */
}

/* Reduce gap after Row 2 (Co-Patrons) */
#committees > .container > .row:nth-of-type(2) {
    margin-bottom: 2px !important;
}

/* Reduced bottom margin of Row 3 only */
#committees > .container > .row:nth-of-type(3) {
    margin-bottom: 7px !important;   /* was ~24px */
}







/* Responsive Design */
@media (max-width: 992px) {
    #committees {
        padding: 60px 0;
    }
    
    #committees .section-title {
        font-size: 2.4rem;
    }
    
    .committee-row,
    .leadership-box {
        padding: 30px 25px;
    }
}

@media (max-width: 768px) {
    #committees .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }
    
    .committee-row-title {
        font-size: 1.2rem;
    }
    
    .committee-members li {
        font-size: 0.95rem;
    }
    
    .leadership-box .name {
        font-size: 1.1rem;
    }
  #committees > .container > .row:first-of-type > div:first-child {
    margin-bottom: 4px !important;
  }
}

@media (max-width: 576px) {
    #committees .section-title {
        font-size: 1.8rem;
        padding-bottom: 20px;
        margin-top: -7px;
    }
    
    .committee-row,
    .leadership-box {
        padding: 25px 20px;
    }
    
    .leadership-box h3 {
        font-size: 1.1rem;
    }
}





/* Responsive adjustments */
@media (max-width: 992px) {
    .committee-card {
        padding: 25px;
    }
    
    .leadership-box .col-md-3 .name {
        font-size: 1rem;
    }
    
    .leadership-box .col-md-3 .title {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .committee-card-title {
        font-size: 1.1rem;
    }
    
    .leadership-box .col-md-3 {
        margin-bottom: 20px;
    }
    
    .leadership-box .col-md-3 .name {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .committee-card {
        padding: 20px;
    }
    
    .leadership-box {
        padding: 25px;
    }
    
    .leadership-box h3 {
        font-size: 1.1rem;
    }
}







/* --- EXACT STYLING for ICLS 2025 Registration Table --- */
/* === REGISTRATION / FEE SECTION === */
#registration {
    background: linear-gradient(180deg, #ffffff 0%, #f4f7fb 100%);
    position: relative;
}

#registration::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 90% 10%, rgba(0,51,102,0.04), transparent 45%),
        radial-gradient(circle at 10% 90%, rgba(204,0,0,0.04), transparent 45%);
    pointer-events: none;
}


#registration::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(120deg, rgba(0,51,102,0.04), transparent 60%),
        radial-gradient(circle at 80% 20%, rgba(204,0,0,0.05), transparent 45%);
    pointer-events: none;
}



/* Matches the title style from the reference site */
#registration .section-title {
  text-align: center;
}

#registration .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

.fee-table-container {
  position: relative;
  background: #ffffff;
  border-radius: 10px;
  padding: 0;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
  border: 1px solid #e2e6ee;
  overflow: hidden;
  z-index: 2;
}

.fee-table-container {
    backdrop-filter: blur(2px);
    box-shadow: 0 25px 60px rgba(0,0,0,0.12);
}


.fee-table thead {
  background: linear-gradient(90deg, #003366, #002244);
}


/* The Table: The Key to the Minimalist Look */
.fee-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
    font-size: 17px; /* bigger text */
}



/* Table Headers: Light grey background, specific border */
.fee-table thead th {
    background: var(--primary-color);
    color: #ffffff;
    padding: 22px 24px;   /* bigger */
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.6px;
}

.fee-table thead th:first-child {
    border-top-left-radius: 8px;
}

.fee-table thead th:last-child {
    border-top-right-radius: 8px;
}



.fee-table tbody tr {
    transition: background 0.25s ease;
}

.fee-table tbody tr:hover {
    background: rgba(0, 51, 102, 0.035);
}


.fee-table tbody tr:nth-child(even) {
  background-color: #f7f9fc;
}

.fee-table th,
.fee-table td {
    padding: 16px 20px;
    vertical-align: middle;
}

.fee-table tbody td:first-child {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 17px;
}

.fee-table tbody td:nth-child(2),
.fee-table tbody td:nth-child(3) {
    font-weight: 700;
    font-size: 18px;
    color: #2c3e50;
}


.fee-table td.text-center {
  font-weight: 700;
  color: #003366;
}

.fee-table tbody td {
    padding: 22px 24px;   /* taller rows */
    border-bottom: 1px solid #e6ebf2;
    vertical-align: middle;
}



.fee-table th:nth-child(1),
.fee-table td:nth-child(1) {
    text-align: left;
}

.fee-table th:nth-child(2),
.fee-table td:nth-child(2),
.fee-table th:nth-child(3),
.fee-table td:nth-child(3) {
    text-align: center;
}


/* Remove border from last row */
.fee-table tbody tr:last-child td {
    border-bottom: none !important;
}

/* Optional: Very subtle row hover (like the reference) */
.fee-table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.01) !important;
}


/* Responsive Adjustments */
@media (max-width: 768px) {
    #registration {
        padding: 40px 0 !important;
    }
    #registration .section-title {
        font-size: 1.8rem !important;
        margin-bottom: 30px !important;
    }
    .fee-table thead th,
    .fee-table tbody td {
        padding: 10px 12px !important;
        font-size: 0.95rem !important;
    }
}















/* ================================
   SUBMISSION SECTION – AU-MASS
================================ */

.submission-section {
    background: linear-gradient(180deg, #001c3b 0%, #002b5c 100%);
    padding: 43px 0;
}

/* .submission-subtitle {
    color: rgba(255,255,255,0.85);
    max-width: 720px;
    margin: 0 auto;
    font-size: 0.95rem;
} */
 /* ===============================
   Submission Section – Header
================================ */

#submission .section-title {
    text-align: center;
    position: relative;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 35px;
}

/* Centered decorative line */
#submission .section-title::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 160px;
    height: 3px;
    background: linear-gradient(
        90deg,
        transparent,
        #d4af37,
        #f1e6d0,
        #d4af37,
        transparent
    );
    border-radius: 4px;
}




/* Cards */
.submission-card {
    background: #ffffff;
    border-radius: 10px;
    padding: 28px;
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

/* Card titles */
.submission-card-title {
    font-size: 1.42rem;
    font-weight: 600;
    color: #001c3b;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.submission-card p{
    font-size: 1rem;
    line-height: 1.65;
}

.submission-card-title i {
    color: #cfa84a;
}

/* Blocks */
.submission-block h6 {
    font-weight: 600;
    color: #001c3b;
    margin-bottom: 8px;
    font-size: 21px;
}

.submission-block p {
    margin-bottom: 6px;
    font-size: 18px;
}

.submission-block a {
    font-weight: 600;
    color: #003e7e;
}

.note {
    font-size: 16px;
    color: #666;
}

.submission-divider {
    height: 1px;
    background: rgba(0,0,0,0.08);
    margin: 22px 0;
}

/* Lists */
.submission-list {
    padding-left: 18px;
}

.submission-list li {
    margin-bottom: 8px;
    font-size: 16px;
}

/* Policy badges */
.policy-list {
    padding: 18px;
    margin-top: -16px;
}

.policy-list li {
    margin-bottom: 8px;
    font-size: 16px;
}

.badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* .badge.good {
    background: #e7f5ec;
    color: #1b7f3a;
}

.badge.warn {
    background: #fff3cd;
    color: #856404;
}

.badge.danger {
    background: #fdecea;
    color: #b02a37;
} */

/* Highlight box */
.highlight-box {
    background: #f4f6f8;
    border-radius: 7px;
    padding: 14px 16px;
    margin-top: 18px;
    font-size: 16px;
}

/* Sticky publication card */
.sticky-card {
    position: sticky;
    top: 110px;
}

/* Mobile */
@media (max-width: 991px) {
    .sticky-card {
        position: static;
    }

}

/* =========================================
   Submission Section – Mobile Typography
========================================= */

@media (max-width: 768px) {

    /* Section title */
    #submission .section-title {
        font-size: 1.55rem;   /* ~25px */
        letter-spacing: 1.2px;
        margin-bottom: 28px;
    }

    /* Card titles */
    #submission .submission-card-title {
        font-size: 1.05rem;   /* ~17px */
        line-height: 1.4;
    }

    /* Paragraph text */
    #submission p {
        font-size: 0.95rem;   /* ~15px */
        line-height: 1.6;
    }

    /* Lists */
    #submission ul li {
        font-size: 0.95rem;
        line-height: 1.55;
        margin-bottom: 6px;
    }

    /* Small sub-headings inside cards */
    #submission h6 {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }

    /* Notes / helper text */
    #submission .note {
        font-size: 0.85rem;   /* ~13.5px */
        line-height: 1.5;
    }

    /* Right column publication list */
    #submission .highlight-box {
        font-size: 0.9rem;
        line-height: 1.55;
    }
}







/* ===============================
   Scroll Reveal Animations
================================ */

/* Base hidden state */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.9s ease;
  will-change: transform, opacity;
}

/* When visible */
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Faster variant */
.reveal-fast {
  transition-duration: 0.6s;
}

/* Slight scale for cards */
.reveal-scale {
  transform: translateY(30px) scale(0.97);
}

.reveal-scale.active {
  transform: translateY(0) scale(1);
}

/* Stagger delay support */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Disable motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}











/* =========================================
   TOPICS – BASE RESET (DO NOT REMOVE)
========================================= */

/* #topics {
    background-color: #f8f9fa;
    background-image:
        linear-gradient(to right, rgba(0,0,0,0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0,0,0,0.02) 1px, transparent 1px);
    background-size: 30px 30px;
    padding: 60px 0;
} */

/* #topics {
    background-color: #f8f9fa;
    background-image: repeating-linear-gradient(
        to bottom,
        rgba(0,0,0,0.02),
        rgba(0,0,0,0.02) 1px,
        transparent 1px,
        transparent 20px
    );
    padding: 60px 0;
} */


/* #topics {
    background-color: #f8f9fa;
    background-image: repeating-linear-gradient(
        to right,
        rgba(0,0,0,0.02),
        rgba(0,0,0,0.02) 1px,
        transparent 1px,
        transparent 20px
    );
    padding: 60px 0;
} */



/* #topics {
    background-color: #f8f9fa;
    background-image: linear-gradient(
        135deg,
        rgba(0,0,0,0.02) 25%,
        transparent 25%,
        transparent 50%,
        rgba(0,0,0,0.02) 50%,
        rgba(0,0,0,0.02) 75%,
        transparent 75%,
        transparent
    );
    background-size: 20px 20px;
    padding: 60px 0;
} */


/* #topics {
    background-color: #f8f9fa;
    background-image: 
        linear-gradient(45deg, rgba(0,0,0,0.02) 25%, transparent 25%, transparent 75%, rgba(0,0,0,0.02) 75%, rgba(0,0,0,0.02)),
        linear-gradient(45deg, rgba(0,0,0,0.02) 25%, transparent 25%, transparent 75%, rgba(0,0,0,0.02) 75%, rgba(0,0,0,0.02));
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    padding: 60px 0;
} */