/*
 * Academic Website - Science Theme
 * โหลด theme.css ก่อน (ใน layout) แล้วค่อยโหลด style.css
 * ธีมสีเดียวจาก theme.css
 */

/* ================================
   Reset & Base Styles
   ================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#main-content {
    flex: 1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ================================
   Typography
   ================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-dark);
}

h1 {
    font-size: var(--text-5xl);
}

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-3xl);
}

h4 {
    font-size: var(--text-2xl);
}

h5 {
    font-size: var(--text-xl);
}

h6 {
    font-size: var(--text-lg);
}

p {
    margin-bottom: var(--spacing-4);
}

.text-primary {
    color: var(--primary);
}

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

.text-muted {
    color: var(--color-gray-600);
}

/* ================================
   Layout Components
   ================================ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.section {
    padding: var(--spacing-20) 0;
}

.section-dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.section-light {
    background-color: var(--color-gray-100);
}

.section.section-light {
    padding: var(--spacing-8) 0;
}

.section-primary {
    background-color: var(--color-primary);
    color: var(--color-dark);
}

/* New Background Utilities */
.section-blue-light {
    background-color: #f0f9ff;
    /* Pale Blue */
    color: var(--color-dark);
}

.section-cream {
    background-color: #fffbeb;
    /* Warm Cream */
    color: var(--color-dark);
}

.news-section.section-cream {
    padding: var(--spacing-6) 0;
    margin: 0;
}

.section-white-pattern {
    background-color: #ffffff;
    background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
    background-size: 20px 20px;
}

.section-dark-blue {
    background-color: #1e3a5f;
    color: var(--color-white);
}

.section-slate-gradient {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

/* ================================
   Top Bar (Audience Links)
   ================================ */
.top-bar {
    background-color: var(--color-dark);
    height: var(--top-bar-height);
    display: flex;
    align-items: center;
}

.top-bar .container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.top-bar__links {
    display: flex;
    gap: var(--spacing-6);
}

.top-bar__link {
    color: var(--color-gray-400);
    font-size: var(--text-sm);
    transition: color var(--transition);
}

.top-bar__link:hover {
    color: var(--color-primary);
}

/* ================================
   Header & Navigation
   ================================ */
.header {
    background-color: var(--color-white);
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo__icon svg {
    width: 28px;
    height: 28px;
    fill: var(--color-dark);
}

.logo__text {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-dark);
}

.logo__text span {
    display: block;
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Main Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav__list {
    display: flex;
    gap: var(--spacing-6);
}

.nav__link {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--spacing-2) 0;
    position: relative;
    transition: color var(--transition);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-primary);
    transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-dark);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__search {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: background-color var(--transition);
}

.nav__search:hover {
    background-color: var(--color-gray-100);
}

.nav__search svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-gray-700);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-dark);
    transition: all var(--transition);
}

/* ================================
   Buttons
   ================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #1a1a1a;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-dark-light);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-dark);
}

.btn-outline:hover {
    background-color: var(--color-primary);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--text-lg);
}

/* ================================
   Hero Section
   ================================ */
.hero {
    min-height: 600px;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-gray-900) 100%);
    color: var(--color-white);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
    opacity: 0.9;
}

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

.hero__content {
    max-width: 600px;
}

.hero__subtitle {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

.hero__title {
    font-size: var(--text-6xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.hero__description {
    font-size: var(--text-lg);
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-8);
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

/* ================================
   Cards
   ================================ */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card__content {
    padding: var(--spacing-6);
}

.card__category {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: var(--spacing-2);
}

.card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-3);
}

.card__title a:hover {
    color: var(--primary);
}

.card__excerpt {
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-4);
}

.card__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* Profile Card */
.profile-card {
    text-align: center;
    padding: var(--spacing-8);
}

.profile-card__image {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    object-fit: cover;
    margin: 0 auto var(--spacing-4);
    border: 4px solid var(--color-primary);
}

.profile-card__name {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-1);
}

.profile-card__role {
    color: var(--color-gray-600);
    font-size: var(--text-sm);
}

/* ================================
   Grid Layouts
   ================================ */
.grid {
    display: grid;
    gap: var(--spacing-6);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-6 {
    grid-template-columns: repeat(6, 1fr);
}

/* ================================
   News Section
   ================================ */
.news-section {
    padding: var(--spacing-8) 0;
    margin: 0;
}

.news-section__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4);
}

.news-section__title {
    font-size: var(--text-3xl);
}

.news-section__link {
    color: var(--primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.news-section__link:hover {
    text-decoration: underline;
}

/* Featured News - 3 columns x 2 rows = 6 items */
.featured-news {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    /* 2 rows x 3 columns = 6 items total */
    gap: var(--spacing-4);
    grid-auto-flow: row;
    align-items: start;
}

/* All cards take equal space - 1 column x 1 row each */
.featured-news>article {
    grid-column: span 1;
    grid-row: span 1;
}

/* All cards have consistent styling */
.featured-news .card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.featured-news .card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.featured-news .card__content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-3);
    background: #fff;
    transition: background 0.3s ease;
}

/* Background colors for different news categories */
.featured-news .card__content--research_grant {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    /* Amber/Yellow gradient for research grants */
}

.featured-news .card__content--student_activity {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    /* Blue gradient for student activities */
}

.featured-news .card__content--general {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    /* Gray gradient for general news */
}

.featured-news .card__category {
    margin-bottom: var(--spacing-1);
    font-size: var(--text-xs);
}

.featured-news .card__title {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-1);
    line-height: 1.3;
}

.featured-news .card__excerpt {
    margin-bottom: var(--spacing-1);
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    line-height: 1.4;
}

.featured-news .card__meta {
    margin-top: auto;
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    padding-top: var(--spacing-1);
}

/* Responsive News Grid */
@media (max-width: 1024px) {
    .featured-news {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto auto auto;
        /* 3 rows x 2 columns = 6 items on tablet */
        gap: var(--spacing-3);
    }

    .featured-news .card__image {
        height: 180px;
    }
}

@media (max-width: 640px) {
    .featured-news {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        /* Single column, all items stack */
        gap: var(--spacing-3);
    }

    .featured-news .card__image {
        height: 200px;
    }
}

/* ================================
   Section Headers
   ================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-4);
}

.section-header__subtitle {
    display: inline-block;
    color: var(--primary);
    font-size: var(--text-lg);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-2);
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.12) 0%, rgba(45, 90, 135, 0.08) 100%);
    border-radius: 50px;
    border: 1px solid rgba(30, 58, 95, 0.25);
}

.section-header__title {
    margin-bottom: var(--spacing-2);
}

.section-header__description {
    color: var(--color-gray-600);
    font-size: var(--text-lg);
}

/* ================================
   Feature Sections (Academics, Research, etc.)
   ================================ */
.feature-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.feature-section--reverse {
    direction: rtl;
}

.feature-section--reverse>* {
    direction: ltr;
}

.feature-section__content {
    max-width: 500px;
}

.feature-section__subtitle {
    color: var(--color-primary-dark);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-4);
}

.feature-section__title {
    margin-bottom: var(--spacing-4);
}

.feature-section__description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-6);
}

.feature-section__image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.feature-section__image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* Feature List */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.feature-list__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.feature-list__icon {
    width: 24px;
    height: 24px;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-list__icon svg {
    width: 14px;
    height: 14px;
    stroke: var(--color-dark);
}

/* ================================
   Stats Section
   ================================ */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-8);
    text-align: center;
}

.stat {
    padding: var(--spacing-8);
}

.stat__number {
    font-family: var(--font-serif);
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-2);
}

.stat__label {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ================================
   CTA Section
   ================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-20) 0;
    text-align: center;
}

.cta-section__title {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-4);
}

.cta-section__description {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
}

/* ================================
   Footer
   ================================ */
.footer {
    background-color: var(--color-dark);
    color: var(--color-gray-400);
    padding-top: var(--spacing-16);
}

.footer__main {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-10);
    padding-bottom: var(--spacing-12);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer__brand {
    padding-right: var(--spacing-8);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.footer__logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-md);
}

.footer__logo-text {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
}

.footer__description {
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-6);
}

.footer__social {
    display: flex;
    gap: var(--spacing-3);
}

.footer__social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.footer__social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-dark);
}

.footer__social-link svg {
    width: 18px;
    height: 18px;
}

.footer__column h4 {
    color: var(--color-white);
    font-size: var(--text-base);
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer__link {
    font-size: var(--text-sm);
    transition: color var(--transition);
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-6) 0;
    font-size: var(--text-sm);
}

.footer__legal {
    display: flex;
    gap: var(--spacing-6);
}

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }

    .feature-section--reverse {
        direction: ltr;
    }

    .footer__main {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer__brand {
        grid-column: span 3;
    }
}

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

    .menu-toggle {
        display: flex;
    }

    .hero {
        min-height: 500px;
    }

    .hero::before {
        width: 100%;
        clip-path: polygon(0 60%, 100% 40%, 100% 100%, 0 100%);
        opacity: 0.3;
    }

    .hero__title {
        font-size: var(--text-4xl);
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .grid-6 {
        grid-template-columns: 1fr;
    }

    .featured-news {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__main {
        grid-template-columns: 1fr 1fr;
    }

    .footer__brand {
        grid-column: span 2;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }

    .footer__legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-4);
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .footer__main {
        grid-template-columns: 1fr;
    }

    .footer__brand {
        grid-column: span 1;
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in {
    animation: fadeIn 0.4s ease forwards;
}

/* Staggered animations */
.stagger>*:nth-child(1) {
    animation-delay: 0.1s;
}

.stagger>*:nth-child(2) {
    animation-delay: 0.2s;
}

.stagger>*:nth-child(3) {
    animation-delay: 0.3s;
}

.stagger>*:nth-child(4) {
    animation-delay: 0.4s;
}

/* ================================
   Mobile Navigation Overlay
   ================================ */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-6);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-8);
}

.mobile-nav__close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.mobile-nav__link {
    font-size: var(--text-xl);
    font-weight: 600;
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

/* ================================
   Search Modal
   ================================ */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-modal__content {
    width: 100%;
    max-width: 700px;
    padding: 0 var(--spacing-6);
}

.search-modal__input {
    width: 100%;
    padding: var(--spacing-5);
    font-size: var(--text-2xl);
    border: none;
    border-bottom: 3px solid var(--color-primary);
    background-color: transparent;
    color: var(--color-white);
    outline: none;
}

.search-modal__input::placeholder {
    color: var(--color-gray-500);
}

/* ================================
   Page Header
   ================================ */
.page-header {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-gray-900) 100%);
    padding: var(--spacing-20) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    opacity: 0.1;
    border-radius: 50%;
}

.page-header__title {
    color: var(--color-white);
    font-size: var(--text-5xl);
    margin-bottom: var(--spacing-4);
    position: relative;
    z-index: 1;
}

.page-header__breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
    color: var(--color-gray-400);
    font-size: var(--text-sm);
    position: relative;
    z-index: 1;
}

.page-header__breadcrumb a:hover {
    color: var(--color-primary);
}

/* ================================
   Utility Classes
   ================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-4 {
    margin-bottom: var(--spacing-4);
}

.mb-8 {
    margin-bottom: var(--spacing-8);
}

.mt-0 {
    margin-top: 0;
}

.mt-4 {
    margin-top: var(--spacing-4);
}

.mt-8 {
    margin-top: var(--spacing-8);
}

.py-8 {
    padding-top: var(--spacing-8);
    padding-bottom: var(--spacing-8);
}

.py-16 {
    padding-top: var(--spacing-16);
    padding-bottom: var(--spacing-16);
}

.hidden {
    display: none;
}

.block {
    display: block;
}

.flex {
    display: flex;
}

.inline-flex {
    display: inline-flex;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-4 {
    gap: var(--spacing-4);
}

.gap-6 {
    gap: var(--spacing-6);
}

.gap-8 {
    gap: var(--spacing-8);
}

/* ================================
   Modal Styles
   ================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal__container {
    position: relative;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-100);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition);
}

.modal__close:hover {
    background-color: var(--color-gray-200);
}

.modal__content {
    padding: var(--spacing-8);
    max-height: 90vh;
    overflow-y: auto;
}

.modal__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-16);
    color: var(--color-gray-600);
}

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: var(--spacing-4);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ================================
   News Detail (Modal Content)
   ================================ */
.news-detail__image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
}

.news-detail__meta {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.news-detail__title {
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-6);
    line-height: 1.3;
}

.news-detail__content {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-gray-700);
}

.news-detail__gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
}

.news-detail__gallery img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition);
}

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

/* ================================
   AJAX News Cards
   ================================ */
.news-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-card__image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background-color: var(--color-gray-200);
}

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

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

.news-card__content {
    padding: var(--spacing-5);
}

.news-card__date {
    display: block;
    font-size: var(--text-xs);
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-2);
}

.news-card__title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card__link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
}

.news-card__link:hover {
    text-decoration: underline;
}

/* Large news card */
.news-card--large .news-card__image {
    height: 300px;
}

.news-card--large .news-card__title {
    font-size: var(--text-2xl);
}

/* ================================
   Skeleton Loader
   ================================ */
.skeleton {
    background: linear-gradient(90deg,
            var(--color-gray-200) 25%,
            var(--color-gray-100) 50%,
            var(--color-gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.skeleton--image {
    height: 200px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.skeleton--text {
    height: 1rem;
    margin-bottom: var(--spacing-2);
}

.news-card--skeleton {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.news-card--skeleton .news-card__content {
    padding: var(--spacing-5);
}

/* ================================
   News Grid Layout
   ================================ */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.news-grid .news-card:first-child {
    grid-column: span 2;
    grid-row: span 2;
}

.news-grid .news-card:first-child .news-card__image {
    height: 100%;
    min-height: 300px;
}

.load-more-container {
    text-align: center;
    margin-top: var(--spacing-10);
}

.all-loaded {
    color: var(--color-gray-500);
    font-size: var(--text-sm);
}

/* ================================
   Search Results
   ================================ */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
}

.search-results li a {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-gray-100);
    transition: background var(--transition);
}

.search-results li a:hover {
    background-color: var(--color-gray-50);
}

.search-results li img {
    width: 60px;
    height: 45px;
    object-fit: cover;
    border-radius: var(--radius);
}

.search-results strong {
    display: block;
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-1);
}

.search-results p {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    margin: 0;
}

.no-results {
    padding: var(--spacing-8);
    text-align: center;
    color: var(--color-gray-500);
}

.error {
    padding: var(--spacing-8);
    text-align: center;
    color: var(--color-error);
}

/* ================================
   Loading State
   ================================ */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ================================
   Placeholder Image
   ================================ */
.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-100));
}

.placeholder-image svg {
    width: 48px;
    height: 48px;
    fill: var(--color-gray-400);
}

/* Responsive for AJAX components */
@media (max-width: 992px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-grid .news-card:first-child {
        grid-column: span 2;
        grid-row: span 1;
    }

    .news-detail__gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-grid .news-card:first-child {
        grid-column: span 1;
    }

    .modal__container {
        width: 95%;
        max-height: 95vh;
    }

    .news-detail__title {
        font-size: var(--text-2xl);
    }
}

/* ================================
   Service Grid (Database & Journals)
   ================================ */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    padding-bottom: 0.5rem;
}

.service-card {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: 10px;
    padding: 0.875rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border-color: var(--primary);
}

.service-card__icon {
    width: 40px;
    height: 40px;
    background: var(--color-gray-100);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    color: var(--primary);
    transition: all 0.3s ease;
}

.service-card:hover .service-card__icon {
    background: var(--primary);
    color: var(--color-white);
}

.service-card__icon svg {
    width: 20px;
    height: 20px;
}

.service-card__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.service-card__desc {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

/* Journal specific style */
.service-card--journal .service-card__icon {
    background: rgba(45, 125, 70, 0.15);
    color: var(--secondary);
}

.service-card--journal:hover .service-card__icon {
    background: var(--secondary);
    color: var(--color-white);
}

.service-card--journal:hover {
    border-color: var(--secondary);
}

@media (max-width: 640px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .service-card {
        padding: 1rem;
    }

    .service-card__icon {
        width: 40px;
        height: 40px;
        margin-bottom: 0.75rem;
    }

    .service-card__title {
        font-size: 0.9rem;
    }
}

/* ================================
   Layout: Nav Dropdown (จาก main_layout)
   ================================ */
.nav__item--has-dropdown {
    position: relative;
}

.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    min-width: 280px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 100;
}

.nav__item--has-dropdown:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__dropdown-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: background 0.2s;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.nav__dropdown-link:last-child {
    border-bottom: none;
}

.nav__dropdown-link:hover {
    background: var(--color-gray-50);
    color: var(--secondary);
    padding-left: 1.75rem;
}

/* Hero Science (ภาพพื้นหลังกำหนดใน layout ผ่าน --hero-bg-url) */
.hero--science {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.hero--science::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--hero-bg-url, url('../images/hero_background.png')) center/cover;
    opacity: 0.15;
}

/* ================================
   Hero Carousel (หน้าแรก)
   ================================ */
.hero-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.hero-carousel__container {
    position: relative;
    width: 100%;
}

.hero-carousel__slides {
    position: relative;
    width: 100%;
    height: 70vh;
    min-height: 500px;
    max-height: 800px;
}

.hero-carousel__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    display: flex;
    align-items: center;
}

.hero-carousel__slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-carousel__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.25) 0%, rgba(45, 90, 135, 0.15) 100%);
}

.hero-carousel__slide .container {
    position: relative;
    z-index: 2;
}

.hero-carousel__slide .hero__content {
    max-width: 700px;
}

.hero-carousel__slide .hero__subtitle {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.hero-carousel__slide .hero__title {
    display: inline-block;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    color: var(--primary);
}

.hero-carousel__slide .hero__description {
    display: inline-block;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0.8rem 1.2rem;
    border-radius: 10px;
    color: var(--color-gray-700);
}

.hero-carousel__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 10;
}

.hero-carousel__nav:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.hero-carousel__nav--prev {
    left: 20px;
}

.hero-carousel__nav--next {
    right: 20px;
}

.hero-carousel__dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.hero-carousel__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-carousel__dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

.hero-carousel__dot.active {
    background: white;
    border-color: white;
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .hero-carousel__slides {
        height: 60vh;
        min-height: 400px;
    }

    .hero-carousel__nav {
        width: 40px;
        height: 40px;
    }

    .hero-carousel__nav--prev {
        left: 10px;
    }

    .hero-carousel__nav--next {
        right: 10px;
    }

    .hero-carousel__dots {
        bottom: 20px;
    }

    .hero-carousel__dot {
        width: 10px;
        height: 10px;
    }
}

/* ================================
   Programs Carousel, Degree Badges, Executive (หน้าแรก)
   ================================ */
.support-staff-section,
.internal-docs-section {
    background: var(--color-white);
    padding: 0;
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.support-staff-section:hover,
.internal-docs-section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.support-staff-list,
.internal-docs-list {
    list-style: none;
    padding: 1.5rem;
    margin: 0;
}

.support-staff-list__item,
.internal-docs-list__item {
    margin-bottom: 0.75rem;
}

.support-staff-list__item:last-child,
.internal-docs-list__item:last-child {
    margin-bottom: 0;
}

.support-staff-list__link,
.internal-docs-list__link {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    padding: 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--color-gray-800);
    background: var(--color-gray-100);
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.support-staff-list__link:hover,
.internal-docs-list__link:hover {
    background: var(--color-gray-50);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateX(4px);
}

.support-staff-list__bullet,
.internal-docs-list__bullet {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--color-gray-600);
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.support-staff-list__link:hover .support-staff-list__bullet,
.internal-docs-list__link:hover .internal-docs-list__bullet {
    background: var(--primary);
    transform: scale(1.3);
}

.support-staff-list__link span:last-child,
.internal-docs-list__link span:last-child {
    flex: 1;
    line-height: 1.6;
}

/* Executive Highlight */
.executive-highlight {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

.dean-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: var(--color-white);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    max-width: 700px;
    width: 100%;
}

.dean-card__image img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    box-shadow: var(--shadow-lg);
}

.dean-card__content {
    flex: 1;
}

.dean-card__badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--color-white);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.dean-card__name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.25rem;
}

.dean-card__title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0 1rem;
}

.dean-card__message {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
    margin: 0;
    padding-left: 1rem;
    border-left: 3px solid var(--primary);
}

.vice-deans {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.vice-dean-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--color-white);
    padding: 1rem 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.vice-dean-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.vice-dean-card img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.vice-dean-card__info {
    display: flex;
    flex-direction: column;
}

.vice-dean-card__position {
    font-size: 0.75rem;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.vice-dean-card__name {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Degree Badges */
.degree-badges {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.degree-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--color-white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(30, 58, 95, 0.3);
    transition: all 0.3s ease;
}

.degree-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 58, 95, 0.4);
}

.degree-badge--master {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    box-shadow: 0 4px 15px rgba(45, 125, 70, 0.3);
}

.degree-badge--doctorate {
    background: linear-gradient(135deg, #9333ea, #a855f7);
    box-shadow: 0 4px 15px rgba(147, 51, 234, 0.3);
}

/* Programs Carousel */
.programs-carousel-wrapper {
    position: relative;
    margin: 2rem 0;
    padding: 0 3rem;
}

.programs-carousel {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 1rem 0;
}

.programs-carousel::-webkit-scrollbar {
    display: none;
}

.program-carousel-card {
    flex: 0 0 320px;
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.program-carousel-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.program-carousel-card__image-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.program-carousel-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.program-carousel-card:hover .program-carousel-card__image {
    transform: scale(1.1);
}

.program-carousel-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.program-carousel-card:hover .program-carousel-card__overlay {
    opacity: 1;
}

.program-icon-square--carousel {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.program-carousel-card__content {
    padding: 1.5rem;
}

.program-carousel-card__degree {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-primary-light);
    color: var(--primary);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.program-carousel-card--master .program-carousel-card__degree {
    background: var(--color-secondary-light);
    color: var(--secondary);
}

.program-carousel-card--doctorate .program-carousel-card__degree {
    background: #f3e5f5;
    color: #7b1fa2;
}

.program-carousel-card__name {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--color-gray-800);
    line-height: 1.4;
}

.program-carousel-card__description {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.6;
    margin: 0;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: var(--shadow);
}

.carousel-nav:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--color-white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav--prev {
    left: 0;
}

.carousel-nav--next {
    right: 0;
}

.program-card {
    background: var(--color-white);
    padding: 1rem;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border-left: 3px solid var(--primary);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.program-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.program-icon-square {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    margin-bottom: 0.75rem;
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.2);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.program-card__degree {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-white);
    background: var(--primary);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.program-card__name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
}

.program-card--master {
    border-left-color: var(--secondary);
}

.program-card--master .program-card__degree {
    background: var(--secondary);
}

.program-card--doctorate {
    border-left-color: #9333ea;
}

.program-card--doctorate .program-card__degree {
    background: #9333ea;
}

@media (max-width: 768px) {
    .programs-carousel-wrapper {
        padding: 0 2.5rem;
    }

    .program-carousel-card {
        flex: 0 0 280px;
    }

    .carousel-nav {
        width: 40px;
        height: 40px;
    }

    .dean-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .dean-card__message {
        border-left: none;
        border-top: 3px solid var(--primary);
        padding-left: 0;
        padding-top: 1rem;
    }

    .vice-deans {
        flex-direction: column;
        align-items: stretch;
    }

    .degree-badge {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

/* ================================
   Personnel / Executives Cards (ใช้ theme --color-dean, --color-vice, --color-chair)
   ================================ */
.exec-card--dean .exec-card__photo-wrap {
    background: linear-gradient(135deg, #fda4af, var(--color-dean));
}

.exec-card--dean .exec-card__position {
    color: var(--color-dean);
}

.exec-card--vice .exec-card__photo-wrap {
    background: linear-gradient(135deg, #93c5fd, var(--color-vice));
}

.exec-card--vice .exec-card__position {
    color: var(--color-vice);
}

.exec-card--asst .exec-card__photo-wrap {
    background: linear-gradient(135deg, #fcd34d, var(--color-asst));
}

.exec-card--asst .exec-card__position {
    color: var(--color-asst);
}

.exec-card--head .exec-card__photo-wrap {
    background: linear-gradient(135deg, #5eead4, var(--color-head));
}

.exec-card--head .exec-card__position {
    color: var(--color-head);
}

.exec-card--chair .exec-card__photo-wrap {
    background: linear-gradient(135deg, #c4b5fd, var(--color-chair));
}

.exec-card--chair .exec-card__position {
    color: var(--color-chair);
}

/* QA Compact Grid */
.qa-compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.qa-compact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--color-white);
    border-radius: 10px;
    border: 1px solid var(--color-gray-200);
    text-decoration: none;
    transition: all 0.2s ease;
}

.qa-compact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.qa-compact-item__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: 8px;
    color: var(--primary);
}

.qa-compact-item__icon--dark {
    background: var(--color-gray-800);
    color: var(--color-white);
}

.qa-compact-item__icon--accent {
    background: #fef3c7;
    color: #d97706;
}

.qa-compact-item__text h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0;
    line-height: 1.3;
}

.qa-compact-item__text p {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    margin: 0.15rem 0 0 0;
}

/* animate-on-scroll (Humaan-style reveal) */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delay for personnel/exec cards in rows and grids */
.exec-row .exec-card.animate-fade-in-up:nth-child(1),
.exec-row .team-card.animate-fade-in-up:nth-child(1),
.exec-grid .exec-card.animate-fade-in-up:nth-child(1),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(1) { animation-delay: 0.05s; }
.exec-row .exec-card.animate-fade-in-up:nth-child(2),
.exec-row .team-card.animate-fade-in-up:nth-child(2),
.exec-grid .exec-card.animate-fade-in-up:nth-child(2),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(2) { animation-delay: 0.1s; }
.exec-row .exec-card.animate-fade-in-up:nth-child(3),
.exec-row .team-card.animate-fade-in-up:nth-child(3),
.exec-grid .exec-card.animate-fade-in-up:nth-child(3),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(3) { animation-delay: 0.15s; }
.exec-row .exec-card.animate-fade-in-up:nth-child(4),
.exec-row .team-card.animate-fade-in-up:nth-child(4),
.exec-grid .exec-card.animate-fade-in-up:nth-child(4),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(4) { animation-delay: 0.2s; }
.exec-row .exec-card.animate-fade-in-up:nth-child(5),
.exec-row .team-card.animate-fade-in-up:nth-child(5),
.exec-grid .exec-card.animate-fade-in-up:nth-child(5),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(5) { animation-delay: 0.25s; }
.exec-row .exec-card.animate-fade-in-up:nth-child(6),
.exec-row .team-card.animate-fade-in-up:nth-child(6),
.exec-grid .exec-card.animate-fade-in-up:nth-child(6),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(6) { animation-delay: 0.3s; }
.exec-row .exec-card.animate-fade-in-up:nth-child(7),
.exec-row .team-card.animate-fade-in-up:nth-child(7),
.exec-grid .exec-card.animate-fade-in-up:nth-child(7),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(7) { animation-delay: 0.35s; }
.exec-row .exec-card.animate-fade-in-up:nth-child(8),
.exec-row .team-card.animate-fade-in-up:nth-child(8),
.exec-grid .exec-card.animate-fade-in-up:nth-child(8),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(8) { animation-delay: 0.4s; }
.exec-row .exec-card.animate-fade-in-up:nth-child(9),
.exec-row .team-card.animate-fade-in-up:nth-child(9),
.exec-grid .exec-card.animate-fade-in-up:nth-child(9),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(9) { animation-delay: 0.45s; }
.exec-row .exec-card.animate-fade-in-up:nth-child(10),
.exec-row .team-card.animate-fade-in-up:nth-child(10),
.exec-grid .exec-card.animate-fade-in-up:nth-child(10),
.personnel-list-row .exec-card.animate-fade-in-up:nth-child(10) { animation-delay: 0.5s; }

.team-grid .team-card.animate-fade-in-up:nth-child(1) { animation-delay: 0.05s; }
.team-grid .team-card.animate-fade-in-up:nth-child(2) { animation-delay: 0.1s; }
.team-grid .team-card.animate-fade-in-up:nth-child(3) { animation-delay: 0.15s; }
.team-grid .team-card.animate-fade-in-up:nth-child(4) { animation-delay: 0.2s; }
.team-grid .team-card.animate-fade-in-up:nth-child(5) { animation-delay: 0.25s; }
.team-grid .team-card.animate-fade-in-up:nth-child(6) { animation-delay: 0.3s; }
.team-grid .team-card.animate-fade-in-up:nth-child(7) { animation-delay: 0.35s; }
.team-grid .team-card.animate-fade-in-up:nth-child(8) { animation-delay: 0.4s; }
.team-grid .team-card.animate-fade-in-up:nth-child(9) { animation-delay: 0.45s; }
.team-grid .team-card.animate-fade-in-up:nth-child(10) { animation-delay: 0.5s; }
.team-grid .team-card.animate-fade-in-up:nth-child(n+11) { animation-delay: 0.55s; }

/* ================================
   Event Coming Up (หน้าแรก)
   ================================ */
.events-coming-up {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

.event-card {
    display: flex;
    align-items: stretch;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-gray-100);
}

.event-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.event-card__date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    padding: var(--spacing-4);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--color-white);
}

.event-card__day {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
}

.event-card__month {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 0.25rem;
}

.event-card__body {
    flex: 1;
    padding: var(--spacing-4);
    display: flex;
    flex-direction: column;
}

.event-card__title {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    line-height: 1.4;
    color: var(--primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.event-card:hover .event-card__title {
    color: var(--primary-dark);
}

.event-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: 1.5;
    margin: 0 0 0.5rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.event-card__link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary);
}

.event-card:hover .event-card__link {
    text-decoration: underline;
}

@media (max-width: 640px) {
    .events-coming-up {
        grid-template-columns: 1fr;
    }

    .event-card__date {
        min-width: 70px;
        padding: var(--spacing-3);
    }

    .event-card__day {
        font-size: 1.5rem;
    }
}

/* ================================
   Page: Personnel (บุคลากรตามหลักสูตร)
   ================================ */
.personnel-page {
    font-family: var(--font-primary);
    background: var(--color-gray-100);
    min-height: 100vh;
    padding: 2rem 1.5rem;
}

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

.personnel-header {
    text-align: center;
    margin-bottom: 2rem;
}

.personnel-header__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.personnel-header__subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.program-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* ไอคอนหลักสูตรแบบเล็ก (หน้า personnel) — ชื่อหลักสูตรใช้ tooltip เท่านั้น */
.program-icons--compact {
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.program-icon--compact {
    width: 48px;
    min-height: 48px;
    padding: 0.4rem;
    border-radius: 12px;
}

.program-icon--compact .program-icon__symbol {
    width: 28px;
    height: 28px;
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ไอคอนสัญลักษณ์ SVG — ไม่ใช้พื้นหลังกราฟิก ใช้สีเดียวกับปุ่ม */
.program-icon__symbol--svg {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-gray-600);
}

.program-icon--compact .program-icon__symbol--svg {
    padding: 0;
}

.program-icon__symbol--svg svg {
    display: block;
    width: 100%;
    height: 100%;
}

.program-icon:hover .program-icon__symbol--svg,
.program-icon.active .program-icon__symbol--svg {
    color: var(--color-chair);
}

.program-icon.active .program-icon__symbol--svg {
    background: rgba(255, 255, 255, 0.95);
}

.program-icon__name--tooltip-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.program-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 90px;
    min-height: 90px;
    padding: 0.75rem;
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.25s ease;
    border: 2px solid transparent;
    text-decoration: none;
    color: var(--color-gray-600);
}

.program-icon:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    color: var(--color-gray-800);
}

.program-icon.active {
    border-color: var(--color-chair);
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
    color: var(--color-chair);
    font-weight: 600;
}

.program-icon__symbol {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #c4b5fd, var(--color-chair));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.program-icon__name {
    font-size: 0.7rem;
    line-height: 1.3;
    text-align: center;
    word-break: break-word;
}

.program-content {
    display: none;
    max-width: 1300px;
    margin: 0 auto 3rem;
}

.program-content.active {
    display: block;
}

.program-content__title {
    text-align: center;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.personnel-main-grid {
    display: flex;
    flex-direction: column;
    max-width: 1300px;
    margin: 0 auto;
    gap: 0;
}

.personnel-chair-area {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 200px;
    padding-bottom: 1rem;
}

.personnel-list-area {
    width: 100%;
    padding-top: 80px;
}

.personnel-list-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6rem 1.5rem;
    justify-content: center;
}

.personnel-footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.8rem;
    color: var(--color-gray-500);
}

.exec-card {
    background: var(--color-white);
    border-radius: 24px;
    padding: 7.5rem 1.25rem 1.25rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border: none;
    min-width: 200px;
    flex: 1 1 200px;
    position: relative;
}

.exec-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-6px);
}

.exec-card--chair {
    width: 260px;
    padding: 9rem 1.5rem 1.5rem;
}

.exec-card--chair .exec-card__name {
    font-size: 1.1rem;
    font-weight: 700;
}

.exec-card--chair .exec-card__position {
    font-size: 0.8rem;
    color: var(--color-chair);
}

.exec-card__photo-wrap {
    width: 120px;
    height: 160px;
    border-radius: 12px;
    padding: 4px;
    background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300));
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.exec-card__photo-inner {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-gray-100);
    transition: transform 0.4s ease;
}
.exec-card:hover .exec-card__photo-inner {
    transform: scale(1.05);
}

.exec-card__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 15%;
    transform: scale(1.35);
    transform-origin: center 25%;
}

.exec-card__photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-200);
}

.exec-card__photo-placeholder svg {
    fill: var(--color-gray-500);
}

.exec-card__name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    line-height: 1.4;
    margin-bottom: 0.25rem;
    position: relative;
    z-index: 1;
}

.exec-card__position {
    font-size: 0.7rem;
    font-weight: 500;
    line-height: 1.4;
    position: relative;
    z-index: 1;
}

@media (max-width: 900px) {
    .personnel-chair-area {
        padding-top: 160px;
    }

    .personnel-list-row {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .personnel-page {
        padding: 1rem;
    }

    .program-icon {
        width: 80px;
        min-height: 80px;
    }

    .program-icon__name {
        font-size: 0.65rem;
    }

    .program-icon--compact {
        width: 44px;
        min-height: 44px;
    }

    .program-icon--compact .program-icon__symbol {
        width: 24px;
        height: 24px;
        font-size: 0.85rem;
    }
}

/* ================================
   Page: Executives (โครงสร้างองค์กร)
   ================================ */
.exec-page {
    font-family: var(--font-primary);
    background: var(--color-gray-100);
    min-height: 100vh;
    padding: 2rem 1.5rem;
}

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

.exec-header {
    text-align: center;
    margin-bottom: 2rem;
}

.exec-header__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.exec-header__subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.exec-main-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2rem;
    max-width: 1300px;
    margin: 0 auto 3rem;
    align-items: stretch;
    min-height: 600px;
}

.exec-dean-area {
    grid-row: 1 / 3;
    display: flex;
    justify-content: center;
    align-items: stretch;
    padding-top: 0;
}

/* คณบดี: การ์ดเต็มความสูง 2 แถว */
.exec-dean-area .team-card {
    width: 100%;
    max-width: 320px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-self: stretch;
}

.exec-dean-area .team-card__image-wrap {
    aspect-ratio: auto;
    flex: 1;
    min-height: 280px;
}

.exec-vice-area {
    grid-column: 2;
    grid-row: 1;
}

.exec-asst-area {
    grid-column: 2;
    grid-row: 2;
}

.exec-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 1.25rem;
    justify-content: flex-start;
    padding-top: 1rem;
}

.exec-row .team-card {
    flex: 1 1 200px;
    max-width: 280px;
    min-width: 180px;
}

.tier-section {
    max-width: 1200px;
    margin: 0 auto 2rem;
}

/* Humaan-style About Team section (page_about-team): grid of equal cards, image on top */
.page-about-team {
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem 1.25rem;
    padding-top: 1rem;
}

.team-card {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease;
}

.team-card:hover {
    transform: translateY(-4px);
}

.team-card__image-wrap {
    width: 100%;
    aspect-ratio: 4 / 5;
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-gray-200);
    position: relative;
    transition: transform 0.4s ease;
}

.team-card:hover .team-card__image-wrap {
    transform: scale(1.03);
}

.team-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 15%;
    display: block;
}

/* ป้ายชื่อภายในกรอบรูป: พื้นหลังสีเหลือง ลอยจากขอบล่าง ตำแหน่งสีต่างจากชื่อ */
.team-card__label {
    position: absolute;
    bottom: 0.5rem;
    left: 0.5rem;
    right: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: linear-gradient(135deg, #fef9c3 0%, #fde047 50%, #facc15 100%);
    color: var(--color-gray-900);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    border-radius: 12px;
    line-height: 1.3;
    border: 1px solid rgba(253, 224, 71, 0.6);
    box-shadow: 0 4px 14px rgba(234, 179, 8, 0.22), 0 1px 3px rgba(0, 0, 0, 0.06);
}

.team-card__label-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.team-card__label-role {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-gray-600);
}

@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
    }
}

.tier-title {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 4rem 0 2rem;
    position: relative;
}

.tier-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: var(--color-gray-300);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

.exec-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6rem 1.5rem;
    padding-top: 80px;
}

.exec-card--dean {
    width: 260px;
    padding: 11.5rem 1.5rem 1.5rem;
}

.exec-card--dean .exec-card__name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.exec-card--dean .exec-card__position {
    font-size: 0.8rem;
}

.exec-card--dean .exec-card__photo-wrap {
    width: 240px;
    height: 320px;
    top: -180px;
    border-radius: 16px;
    background: linear-gradient(135deg, #fda4af, var(--color-dean));
}

.exec-card--dean .exec-card__photo-inner {
    border-radius: 12px;
}

@media (max-width: 900px) {
    .exec-main-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .exec-dean-area {
        grid-row: auto;
        grid-column: 1;
    }

    .exec-dean-area .team-card {
        height: auto;
    }

    .exec-dean-area .team-card__image-wrap {
        flex: none;
        aspect-ratio: 4 / 5;
        min-height: 0;
    }

    .exec-vice-area,
    .exec-asst-area {
        grid-column: 1;
        grid-row: auto;
    }

    .exec-row {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .exec-page {
        padding: 1rem;
    }

    .exec-card {
        width: 100%;
        max-width: 280px;
    }
}

/* ================================
   Page: Academics (หลักสูตร)
   ================================ */
.program-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--color-primary-light), var(--primary));
    border-radius: 16px;
    color: var(--color-white);
}

.program-stat {
    text-align: center;
}

.program-stat__number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.program-stat__label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

.program-degree-badge {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 6px;
    font-weight: 600;
    margin-bottom: 0.75rem;
    align-self: flex-start;
}

.program-degree-badge--master {
    background: #DCFCE7;
    color: #166534;
}

.program-degree-badge--doctorate {
    background: #F3E8FF;
    color: #6B21A8;
}

.program-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-200);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.program-coordinator {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-200);
}

.program-coordinator__label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.program-coordinator__person {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.program-coordinator__photo,
.program-coordinator__photo-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.program-coordinator__photo-placeholder {
    background: var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    font-size: 1rem;
}

.program-coordinator__name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary);
}

.program-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: var(--color-gray-100);
    color: var(--primary);
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.program-link:hover {
    background-color: var(--primary);
    color: var(--color-white);
    text-decoration: none;
}

.academics-page .program-card {
    border-radius: 16px;
    overflow: hidden;
    background: var(--color-white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.academics-page .program-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.academics-page .card__image-wrapper {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.academics-page .card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.academics-page .program-card:hover .card__image {
    transform: scale(1.1);
}

.academics-page .card__content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.academics-page .program-card .card__title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    min-height: 3rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.academics-page .program-card .card__excerpt {
    font-size: 0.85rem;
    color: var(--color-gray-600);
    line-height: 1.6;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

.academics-page .page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--hero-bg-url, url('../images/hero_background.png')) center/cover;
    opacity: 0.15;
}

@media (max-width: 768px) {
    .program-stats {
        flex-direction: column;
        gap: 1rem;
    }
}