/* GDTA Conference 2026 Brand Colors - Professional White Theme */
:root {
  --gdta-bg-primary: #FFFFFF;      /* Primary Background - White */
  --gdta-bg-card: #F8F9FA;         /* Card / Surface - Light Grey */
  --gdta-accent: #000000;          /* Primary Accent - Black */
  --gdta-text-primary: #212529;    /* Primary Text - Dark Grey/Black */
  --gdta-text-secondary: #495057;  /* Secondary Text - Medium Grey */
  --gdta-text-muted: #6C757D;      /* Muted Text - Grey */
  --gdta-border: #DEE2E6;          /* Border Color - Light Grey */
  --gdta-hover: #E9ECEF;           /* Hover Background - Very Light Grey */
}

/* Global Resets */
body {
    margin: 0;
    padding: 0;
    background-color: var(--gdta-bg-primary) !important;
    color: var(--gdta-text-primary) !important;
    font-family: 'Open Sans', sans-serif !important;
}

.container-fluid {
    margin: 0 !important;
    padding: 0 !important;
}

.container-fluid > .container {
    padding-left: 15px;
    padding-right: 15px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 700 !important;
    color: var(--gdta-text-primary) !important;
}

h1 {
    font-weight: 800 !important;
}

p, span, div, a {
    color: var(--gdta-text-secondary) !important;
}

.text-white, .text-light {
    color: var(--gdta-text-primary) !important;
}

/* Uniform Card Heights for Scroll Effects */
.content-card {
    min-height: 380px;
    display: flex;
    flex-direction: column;
}

.content-card > div:first-child {
    flex-shrink: 0;
}

.content-card h4 {
    flex-shrink: 0;
}

.content-card p {
    flex: 1;
}

.bg-dark, .bg-secondary {
    background-color: var(--gdta-bg-primary) !important;
}

.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(25px) !important;
    -webkit-backdrop-filter: blur(25px) !important;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
}

.navbar .nav-link {
    color: #000000 !important;
    font-weight: 700 !important;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.navbar .nav-link:hover {
    color: #0066CC !important;
    transform: translateY(-1px);
}

.navbar .nav-link.active {
    color: #0066CC !important;
    font-weight: 700 !important;
}

.navbar .dropdown-menu {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15) !important;
}

.navbar .dropdown-item {
    color: #000000 !important;
    font-weight: 600 !important;
}

.navbar .dropdown-item:hover {
    background-color: rgba(0, 102, 204, 0.1) !important;
    color: #0066CC !important;
}


/* Button Styles */
.btn-primary {
    background-color: var(--gdta-accent) !important;
    border-color: var(--gdta-accent) !important;
    color: #FFFFFF !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #333333 !important;
    border-color: #333333 !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    color: #FFFFFF !important;
}

/* Navbar Register Button with Pop Animation */
.navbar-register-btn {
    background-color: var(--gdta-accent) !important;
    border-color: var(--gdta-accent) !important;
    color: #FFFFFF !important;
    font-weight: 700;
    font-size: 1.1rem !important;
    padding: 0.6rem 2rem !important;
    border-radius: 25px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(228, 23, 121, 0.3);
    animation: pop-bounce 2s ease-in-out infinite;
}

.navbar-register-btn:hover {
    background-color: #333333 !important;
    border-color: #333333 !important;
    color: #FFFFFF !important;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    animation: none;
}

@keyframes pop-bounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.08);
    }
}

/* Carousel Navigation Buttons */
.carousel-nav-btn:hover {
    background: #E91E63 !important;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5) !important;
}

.carousel-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

/* Featured Sessions Carousel — keep same card size for every slide (home + sessions page)
   The slides swap content dynamically; we clamp text and enforce a consistent card height on lg+.
*/
.featured-article {
    --gdta-featured-card-height: 430px;
}

@media (min-width: 992px) {
    .featured-article .gradient-border-inner {
        height: var(--gdta-featured-card-height);
    }

    .featured-article .gradient-border-inner .row {
        height: 100%;
    }

    .featured-article .gradient-border-inner .row > .col-lg-5,
    .featured-article .gradient-border-inner .row > .col-lg-7 {
        height: 100%;
    }

    .featured-article #featured-img {
        height: 100% !important;
        width: 100% !important;
        object-fit: cover;
        min-height: 0 !important;
    }

    .featured-article .glass-effect {
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}

@media (max-width: 991.98px) {
    .featured-article #featured-img {
        width: 100% !important;
        height: auto !important;
        object-fit: cover;
        min-height: 280px !important;
    }
}

.featured-article #featured-title {
    min-height: 64px;
    max-height: 64px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.featured-article #featured-subtitle {
    min-height: 24px;
    max-height: calc(1.4em * 2);
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.featured-article #featured-description {
    line-height: 1.8;
    min-height: calc(1.8em * 5);
    max-height: calc(1.8em * 5);
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    line-clamp: 5;
}

.btn-light {
    background-color: #FFFFFF !important;
    border-color: var(--gdta-border) !important;
    color: var(--gdta-text-primary) !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-light:hover {
    background-color: var(--gdta-hover) !important;
    border-color: var(--gdta-text-secondary) !important;
    color: var(--gdta-text-primary) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-outline-primary {
    color: var(--gdta-accent) !important;
    border-color: var(--gdta-accent) !important;
    background-color: transparent !important;
    font-weight: 600;
}

.btn-outline-primary:hover {
    background-color: var(--gdta-accent) !important;
    border-color: var(--gdta-accent) !important;
    color: #FFFFFF !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Navigation Pills */
.nav-pill {
    padding: 10px 20px;
    background-color: transparent;
    color: var(--gdta-text-secondary) !important;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    display: inline-block;
}

.nav-pill:hover {
    background-color: var(--gdta-hover);
    color: var(--gdta-accent) !important;
}

/* Hero Section */
.hero-section {
    background-color: var(--gdta-bg-primary) !important;
    color: var(--gdta-text-primary) !important;
}

#heroPicture img,
#heroVideo {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center !important;
    background-color: transparent !important;
}

.hero-section h1,
.hero-section h2,
.hero-section h3,
.hero-section h4,
.hero-section h5,
.hero-section h6,
.hero-section p {
    color: var(--gdta-text-primary) !important;
}

/* Hero media visibility (desktop vs mobile) */
.hero-media-desktop {
    display: block;
}

.hero-media-mobile {
    display: none;
}

@media (max-width: 768px) {
    .hero-media-desktop {
        display: none;
    }

    .hero-media-mobile {
        display: block;
    }
}

/* Section Backgrounds */
.section-dark {
    background-color: var(--gdta-bg-card) !important;
}

.section-card {
    background-color: #FFFFFF !important;
}

.section-accent {
    background-color: var(--gdta-accent) !important;
}

.section-accent h1,
.section-accent h2,
.section-accent h3,
.section-accent h4,
.section-accent h5,
.section-accent p {
    color: #FFFFFF !important;
}

/* Footer */
.footer {
    background-color: #F8F9FA !important;
    border-top: 1px solid var(--gdta-border);
}

.footer h1,
.footer h2,
.footer h3,
.footer p,
.footer a {
    color: var(--gdta-text-primary) !important;
}

.footer .btn-outline-primary {
    background-color: transparent !important;
    border-color: var(--gdta-accent) !important;
    color: var(--gdta-accent) !important;
}

.footer .btn-outline-primary:hover {
    background-color: var(--gdta-accent) !important;
    border-color: var(--gdta-accent) !important;
    color: #FFFFFF !important;
}

/* Card Styles */
.committee-card,
.secretariat-card,
.content-card {
    background-color: #FFFFFF;
    border: 1px solid var(--gdta-border);
    border-radius: 10px;
    padding: 25px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.committee-card:hover,
.secretariat-card:hover,
.content-card:hover {
    border-color: var(--gdta-text-secondary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

/* Remove old styles */
.navbar-brand-pill {
    display: none;
}

.logo-rounded {
    height: 50px;
}

.text-primary {
    color: var(--gdta-accent) !important;
}

.text-accent {
    color: var(--gdta-accent) !important;
}

.border-bottom {
    border-bottom-color: var(--gdta-border) !important;
}

/* Smooth scrolling - Disabled for multi-page */
html {
    scroll-behavior: auto;
}

/* Remove dark overlay from images */
.service-img::before {
    display: none !important;
}