/* 
   Style Customization for UDRU Promotion Committee Website
   Palette: White 80%, Orange & Gray 20%
   Font: Noto Sans Thai & Inter
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+Thai:wght@300;400;500;600;700;800&display=swap');

:root {
    --udru-white: #ffffff;
    --udru-bg-light: #f8f9fa;
    --udru-bg-alt: #f1f3f5;
    
    /* Orange Accent (~10%) */
    --udru-orange: #f15a24;
    --udru-orange-hover: #d44d1c;
    --udru-orange-light: #fff2ed;
    
    /* Gray/Text Accent (~10%) */
    --udru-dark: #2d3748;
    --udru-gray: #4a5568;
    --udru-gray-light: #a0aec0;
    --udru-gray-border: #e2e8f0;
    
    --font-primary: 'Noto Sans Thai', 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-subtle: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
}

body {
    font-family: var(--font-primary);
    background-color: var(--udru-white);
    color: var(--udru-gray);
    overflow-x: hidden;
    line-height: 1.7;
    font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--udru-dark);
    font-weight: 700;
    line-height: 1.3;
}

/* 80% White Background Sections */
.bg-white-theme {
    background-color: var(--udru-white);
}

.bg-light-theme {
    background-color: var(--udru-bg-light);
}

/* Navbar Customization */
.custom-navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--udru-gray-border);
    transition: var(--transition-smooth);
    padding: 1rem 0;
}

.custom-navbar.scrolled {
    padding: 0.6rem 0;
    box-shadow: var(--shadow-subtle);
}

.navbar-brand img {
    height: 50px;
    transition: var(--transition-smooth);
}

.custom-navbar.scrolled .navbar-brand img {
    height: 45px;
}

.nav-link {
    font-weight: 500;
    color: var(--udru-dark) !important;
    position: relative;
    padding: 0.5rem 1rem !important;
    margin: 0 0.2rem;
    transition: var(--transition-smooth);
    border-radius: 4px;
}

.nav-link:hover, .nav-link.active {
    color: var(--udru-orange) !important;
    background-color: var(--udru-orange-light);
}

/* Button Customization */
.btn-orange {
    background-color: var(--udru-orange);
    color: var(--udru-white);
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    border: 2px solid var(--udru-orange);
    transition: var(--transition-smooth);
}

.btn-orange:hover {
    background-color: var(--udru-orange-hover);
    border-color: var(--udru-orange-hover);
    color: var(--udru-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(241, 90, 36, 0.2);
}

.btn-outline-gray {
    background-color: transparent;
    color: var(--udru-dark);
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    border: 2px solid var(--udru-dark);
    transition: var(--transition-smooth);
}

.btn-outline-gray:hover {
    background-color: var(--udru-dark);
    color: var(--udru-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(45, 55, 72, 0.1);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 160px 0 100px 0;
    background: linear-gradient(135deg, #ffffff 50%, var(--udru-bg-light) 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(241,90,36,0.05) 0%, rgba(255,255,255,0) 70%);
    z-index: 0;
    pointer-events: none;
}

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

.badge-orange-light {
    background-color: var(--udru-orange-light);
    color: var(--udru-orange);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    display: inline-block;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(241, 90, 36, 0.15);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

.hero-title span {
    color: var(--udru-orange);
}

/* Feature & Vision Section */
.feature-card {
    background: var(--udru-white);
    border: 1px solid var(--udru-gray-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: var(--transition-smooth);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(241, 90, 36, 0.2);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background-color: var(--udru-orange-light);
    color: var(--udru-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper {
    background-color: var(--udru-orange);
    color: var(--udru-white);
}

/* Stats Counter Section */
.stats-section {
    background-color: var(--udru-dark);
    color: var(--udru-white);
    padding: 60px 0;
    position: relative;
}

.stats-section h3, .stats-section p {
    color: var(--udru-white);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--udru-orange) !important;
    line-height: 1;
    margin-bottom: 0.5rem;
}

/* Committee Card Showcase */
.committee-card {
    background: var(--udru-white);
    border: 1px solid var(--udru-gray-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
    height: 100%;
}

.committee-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(241, 90, 36, 0.1);
}

.committee-img-container {
    height: 320px;
    overflow: hidden;
    position: relative;
    background-color: var(--udru-bg-alt);
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.committee-img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    object-position: top center;
    transition: var(--transition-smooth);
}

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

.committee-info {
    padding: 1.5rem;
    text-align: center;
}

.committee-role {
    color: var(--udru-orange);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.committee-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.committee-sub {
    font-size: 0.85rem;
    color: var(--udru-gray-light);
}

/* Partners Section */
.partner-logo-container {
    padding: 2rem;
    background-color: var(--udru-white);
    border: 1px solid var(--udru-gray-border);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
    transition: var(--transition-smooth);
}

.partner-logo-container:hover {
    border-color: var(--udru-orange);
    transform: translateY(-3px);
    box-shadow: var(--shadow-subtle);
}

.partner-logo-container img {
    max-height: 50px;
    max-width: 100%;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: var(--transition-smooth);
}

.partner-logo-container:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* News Section Cards */
.news-card {
    background: var(--udru-white);
    border: 1px solid var(--udru-gray-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
    height: 100%;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--udru-orange);
    color: var(--udru-white);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    z-index: 10;
}

.news-img-wrapper {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.news-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.news-body {
    padding: 1.5rem;
}

.news-date {
    font-size: 0.85rem;
    color: var(--udru-gray-light);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.news-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.news-card:hover .news-title {
    color: var(--udru-orange);
}

.news-desc {
    font-size: 0.9rem;
    color: var(--udru-gray);
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-more {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--udru-orange);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition-smooth);
}

.news-more:hover {
    color: var(--udru-orange-hover);
    gap: 0.5rem;
}

/* Contact Page Styles */
.contact-info-card {
    background-color: var(--udru-bg-light);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid var(--udru-gray-border);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--udru-orange-light);
    color: var(--udru-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-form-card {
    background-color: var(--udru-white);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid var(--udru-gray-border);
    box-shadow: var(--shadow-subtle);
}

/* Form Styles */
.form-control:focus, .form-select:focus {
    border-color: var(--udru-orange);
    box-shadow: 0 0 0 0.25rem rgba(241, 90, 36, 0.15);
}

.form-label {
    font-weight: 500;
    color: var(--udru-dark);
}

/* Footer Section */
.main-footer {
    background-color: var(--udru-dark);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 20px 0;
    border-top: 5px solid var(--udru-orange);
}

.main-footer h5 {
    color: var(--udru-white);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.main-footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--udru-orange);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--udru-orange);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.social-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    color: var(--udru-white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.social-btn:hover {
    background-color: var(--udru-orange);
    color: var(--udru-white);
    transform: translateY(-3px);
}

.footer-bottom {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* Page Headers for subpages */
.page-header {
    background: linear-gradient(135deg, var(--udru-dark) 0%, #1a202c 100%);
    color: var(--udru-white);
    padding: 120px 0 60px 0;
    text-align: center;
}

.page-header h1 {
    color: var(--udru-white);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.breadcrumb-item a {
    color: var(--udru-gray-light);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.breadcrumb-item a:hover {
    color: var(--udru-orange);
}

.breadcrumb-item.active {
    color: var(--udru-white);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--udru-gray-light);
}

/* AJAX Spinner */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem 0;
}

.spinner-border-orange {
    color: var(--udru-orange);
}

/* Toast custom alert */
.toast-container-custom {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Responsive tweaks */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-section {
        padding: 120px 0 60px 0;
    }
    .custom-navbar {
        padding: 0.8rem 0;
    }
    .nav-link {
        padding: 0.5rem 1rem !important;
        margin: 0.2rem 0;
    }
    .nav-link:hover, .nav-link.active {
        background-color: var(--udru-orange-light);
    }
}

/* Gallery Hover Effect */
.hover-zoom-effect {
    overflow: hidden;
}
.hover-zoom-effect img {
    transition: var(--transition-smooth) !important;
}
.hover-zoom-effect:hover img {
    transform: scale(1.08);
}