/* ============================
   Global Styles
============================ */
* {
  font-family: 'Poppins', sans-serif;
}

body {
  margin: 0;
  background-color: #ffffff;
  position: relative;
  z-index: 0;
  color: #000000;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================
   Hero Section (Background Image)
============================ */
.hero-section {
  height: 90vh;
  background: url("/static/system/images/ISU.webp") no-repeat center center;
  background-size: cover;
  position: relative;
  padding-top: 100px;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 1;
  color: #ffffff;
}
/* ============================
   Hero Section learn more button
 ============================*/
.custom-btn-white-outline {
  color: #ffffff !important;
  border-color: #ffffff !important;
  transition: all 0.3s ease;
}

.custom-btn-white-outline:hover {
  color: #fff !important;
  background-color: #198754 !important; /* Bootstrap's success green */
  border-color: #198754 !important;
}

/*
   Navbar Styling
============================ */
nav.navbar.bg-body-tertiary {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background-color: transparent !important;
  transition: background-color 0.5s ease;
}

/* Change background of nav-bar color on scroll */
nav.navbar.bg-body-tertiary.scrolled {
  background-color: rgba(0, 102, 0, 0.8) !important; /* 0.9 = 90% opaque */
}

.navbar {
  padding: 1rem 2rem;
  min-height: 90px;
}

.navbar-brand {
  color: #ffffff !important;
  font-weight: bold;
  font-size: 1.9rem;
  text-transform: uppercase;
}

/* ============================
   Navbar Links
============================ */
.navbar-nav .nav-item {
  margin-left: 1.5rem;
}

@media (max-width: 768px) {
  .navbar-nav .nav-item {
    margin-left: 0;
    margin-bottom: 0.5rem;
  }
}

.navbar-nav > li > .nav-link {
  position: relative;
  color: #ffffff !important;
  padding-bottom: 4px;
  background-color: transparent !important;
  outline: none;
  transition: color 0.3s ease;
}

/* Underline effect (only non-dropdown links) */
.navbar-nav > li > .nav-link:not(.dropdown-toggle)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background-color: #ffffff;
  transition: width 0.3s ease;
}

.navbar-nav > li > .nav-link:not(.dropdown-toggle):hover::after {
  width: 100%;
}

.navbar-nav > li > .nav-link:hover {
  color: #ffffff !important;
}

/* Active & Disabled Links */
.navbar-nav .nav-link.active {
  color: #ffffff !important;
}

.navbar-nav .nav-link.disabled {
  color: #cccccc !important;
  pointer-events: none;
  opacity: 0.6;
}

.navbar-nav .nav-link:focus,
.navbar-nav .nav-link:active {
  background-color: transparent !important;
  outline: none !important;
  box-shadow: none !important;
  color: #ffffff !important;
}

/* ============================
   Dropdown
============================ */
.nav-link.dropdown-toggle::after {
  content: ' ▼';
  font-size: 0.6rem;
  margin-left: 4px;
  color: #ffffff;
}

.dropdown-menu {
  background-color: #ffffff !important;
  border: none !important;
  padding: 0.5rem 0 !important;
  border-radius: 0 !important;
}

.dropdown-menu .dropdown-item {
  color: #000000;
  padding: 0.5rem 1.25rem;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.dropdown-menu .dropdown-item:hover {
  background-color: #006600;
  color: #ffffff;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* ============================
   Divider (Vertical)
============================ */
.navbar-divider-vertical {
  width: 2px;
  height: 30px;
  background-color: #ffffff;
  opacity: 0.8;
  margin: 0 0.75rem;
}

@media (max-width: 991.98px) {
  .navbar-divider-vertical {
    display: none;
  }
}

/* ============================
   Search Bar
============================ */
.form-control {
  border-radius: 20px;
  padding: 0.375rem 1rem;
  border: 1px solid #ccc;
}

.btn-outline-success {
  color: #ffffff;
  border-color: #ffffff;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.btn-outline-success:hover {
  background-color: #00cc99;
  border-color: #00cc99;
  color: #000000;
}

/* ============================
   Navbar Toggler
============================ */
.navbar-toggler-icon {
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255, 255, 255, 1)' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* ============================
   Scrollable Content Section
============================ */
.content-section {
  background-color: #ffffff;
  color: #000000;
  padding: 4rem 2rem;
}

/* ============================
   Brand Site Title (Optional)
============================ */
.site-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #ffffff;
}


/*--------------------------------------------------------------
# Leadership Section
--------------------------------------------------------------*/
/* Fonts */
:root {
  --default-font: "Roboto", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --heading-font: "Raleway", sans-serif;
  --nav-font: "Poppins", sans-serif;

  --background-color: #f1f5f4;
  --default-color: #212529;
  --heading-color: #2d465e;
  --accent-color: #006600;
  --surface-color: #ffffff;
  --contrast-color: #ffffff;

  --nav-color: rgba(255, 255, 255, 0.75);
  --nav-hover-color: #006600;
  --nav-mobile-background-color: #ffffff;
  --nav-dropdown-background-color: #ffffff;
  --nav-dropdown-color: #212529;
  --nav-dropdown-hover-color: #006600;

  scroll-behavior: smooth;
}

.light-background {
  --background-color: #ffffff;
  --surface-color: #ffffff;
}

.dark-background {
  --background-color: #060606;
  --default-color: #ffffff;
  --heading-color: #ffffff;
  --surface-color: #252525;
  --contrast-color: #ffffff;
}

.leadership .section-subtitle {
  color: var(--accent-color);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  padding-top: 1rem;

}

.leadership .section-heading {
  color: var(--heading-color);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.leadership .section-description {
  margin-bottom: 2rem;
  font-size: 1.1rem;
  line-height: 1.7;
}

.leadership .about-image {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  height: 100%;
}

.leadership .about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leadership .stats-container {
  background-color: color-mix(in srgb, var(--accent-color), transparent 92%);
  border-radius: 8px;
  padding: 20px;
}

.leadership .stats-container .stat-item {
  text-align: center;
  padding: 15px 0;
}

.leadership .stats-container .stat-item h3 {
  color: var(--heading-color);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.leadership .stats-container .stat-item p {
  color: var(--default-color);
  font-size: 0.9rem;
  margin: 0;
}

.leadership .leadership-team {
  margin-top: 4rem;
}

.leadership .leadership-team .leader-card {
  background-color: var(--surface-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  height: 100%;
  transition: transform 0.3s, box-shadow 0.3s;
}

.leadership .leadership-team .leader-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* ✅ FIXED: Social links should always be visible */
/* Initial hidden state */
.leadership .leadership-team .leader-card .leader-image .social-links {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
  padding: 15px 0 10px;
  display: flex;
  justify-content: center;
  opacity: 0; /* Default: hidden */
  transition: opacity 0.5s ease-in-out; /* ✅ Smooth transition */
  z-index: 10;
}
/* Show on hover */
.leadership .leadership-team .leader-card:hover .leader-image .social-links {
  opacity: 1; /* ✅ Show with fade-in */
}


/* ✅ FIXED: Style for the icons */
.leadership .leadership-team .leader-card .leader-image .social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  margin: 0 5px;
  color: var(--contrast-color);
  font-size: 1rem;
  transition: background-color 0.5s;
}

.leadership .leadership-team .leader-card .leader-image .social-links a:hover {
  background-color: #006600;
}

.leadership .leadership-team .leader-card .leader-info {
  padding: 20px;
  text-align: center;
}

.leadership .leadership-team .leader-card .leader-info h4 {
  font-weight: 700;
  margin-bottom: 5px;
  font-size: 1.25rem;
}

.leadership .leadership-team .leader-card .leader-info .position {
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 15px;
  font-size: 0.95rem;
}

.leadership .leadership-team .leader-card .leader-info .bio {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0;
}

@media (max-width: 992px) {
  .leadership .section-heading {
    font-size: 2rem;
  }

  .leadership .about-image {
    margin-top: 2rem;
    height: 400px;
  }

  .leadership .leadership-team {
    margin-top: 2rem;
  }
}

@media (max-width: 768px) {
  .leadership .about-image {
    height: 300px;
  }

  .leadership .stat-item {
    margin-bottom: 15px;
  }
}

/*--------------------------------------------------------------
# Global Footer
--------------------------------------------------------------*/
.footer {
  color: var(--default-color);
  background-color: var(--background-color);
  font-size: 14px;
  position: relative;
}

.footer .footer-top {
  padding-top: 50px;
  border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
}

.footer .footer-about .logo {
  line-height: 1;
  margin-bottom: 25px;
}

.footer .footer-about .logo img {
  max-height: 40px;
  margin-right: 6px;
}

.footer .footer-about .logo span {
  color: var(--heading-color);
  font-family: var(--heading-font);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
}

.footer .footer-about p {
  font-size: 14px;
  font-family: var(--heading-font);
}

.footer .social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 50%);
  font-size: 16px;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  margin-right: 10px;
  transition: 0.3s;
}

.footer .social-links a:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.footer h4 {
  font-size: 16px;
  font-weight: bold;
  position: relative;
  padding-bottom: 12px;
}

.footer .footer-links {
  margin-bottom: 30px;
}

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

.footer .footer-links ul i {
  padding-right: 2px;
  font-size: 12px;
  line-height: 0;
}

.footer .footer-links ul li {
  padding: 10px 0;
  display: flex;
  align-items: center;
}

.footer .footer-links ul li:first-child {
  padding-top: 0;
}

.footer .footer-links ul a {
  color: color-mix(in srgb, var(--default-color), transparent 30%);
  display: inline-block;
  line-height: 1;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer .footer-links ul a:hover {
  color: #006600;
  /* text-decoration: underline;  optional */
}

.footer .footer-contact p {
  margin-bottom: 5px;
}

.footer .copyright {
  padding: 25px 0;
  border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
}

.footer .copyright p {
  margin-bottom: 0;
}

.footer .credits {
  margin-top: 8px;
  font-size: 13px;
}


/*--------------------------------------------------------------
# Preloader
--------------------------------------------------------------*/
#preloader {
  position: fixed;
  inset: 0;
  z-index: 999999;
  overflow: hidden;
  background: var(--background-color);
  transition: all 0.6s ease-out;
}

#preloader:before {
  content: "";
  position: fixed;
  top: calc(50% - 30px);
  left: calc(50% - 30px);
  border: 6px solid #ffffff;
  border-color: var(--accent-color) transparent var(--accent-color) transparent;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: animate-preloader 1.5s linear infinite;
}

@keyframes animate-preloader {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/*--------------------------------------------------------------
# Scroll Top Button
--------------------------------------------------------------*/
.scroll-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 15px;
  bottom: 15px;
  z-index: 99999;
  background-color: var(--accent-color);
  width: 40px;
  height: 40px;
  border-radius: 4px;
  transition: all 0.4s;
}

.scroll-top i {
  font-size: 24px;
  color: var(--contrast-color);
  line-height: 0;
}

.scroll-top:hover {
  background-color: color-mix(in srgb, var(--accent-color), transparent 20%);
  color: var(--contrast-color);
}

.scroll-top.active {
  visibility: visible;
  opacity: 1;
}

/*--------------------------------------------------------------
# Disable aos animation delay on mobile devices
--------------------------------------------------------------*/
@media screen and (max-width: 768px) {
  [data-aos-delay] {
    transition-delay: 0 !important;
  }
}