:root {
  --accent: #2e7d32; /* deep green */
  --soft-bg: #e8f5e9; /* light green */
  --soft-blue: #e3f2fd; /* light blue */
  --card-bg: #ffffff;
  --text: #153243;
  --nav-height: 0px; /* dynamically set by JS */
  font-size: 16px;
}

body {
  background: var(--soft-bg);
  color: var(--text);
  scroll-behavior: smooth;
}

/* Navbar styling */
.navbar {
  background: linear-gradient(90deg, rgba(255,255,255,0.6), rgba(255,255,255,0.85));
  backdrop-filter: blur(6px);
  z-index: 1000;
}
.brand {
  color: var(--accent);
  font-weight: 700;
}

/* Hide font resizer on tablet & mobile */
@media (max-width: 992px) {
  .font-control {
    display: none !important;
  }
}

/* Remove default border/shadow from hamburger icon */
.navbar-toggler {
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
}
.navbar-toggler:focus {
  box-shadow: none !important;
}

/* Nav link underline hover effect */
.navbar-nav .nav-item .nav-link {
  position: relative;
  transition: color 0.3s ease;
}
.navbar-nav .nav-item .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width 0.3s ease;
}
.navbar-nav .nav-item .nav-link:hover::after,
.navbar-nav .nav-item .nav-link:focus::after {
  width: 100%;
}

/* Dropdown style */
.navbar-nav .dropdown-toggle::after { display: none; }
.navbar-nav .dropdown-menu {
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.navbar-nav .dropdown-item:hover {
  background-color: var(--soft-bg);
}

/* Keep hover behavior for desktop but don't interfere with mobile click handling */
.dropdown:hover .dropdown-menu {
  display: block;
  margin-top: 0;
}
.navbar-nav .nav-link:focus {
  outline: none;
}

/* Ensure Bootstrap dropdown shows correctly when we toggle .show on mobile */
.navbar .dropdown-menu {
  display: none;
  will-change: transform, opacity, max-height;
  transform-origin: top center;
}

/* When shown (we toggle .show via JS) */
.navbar .dropdown-menu.show {
  display: block;
  animation: slideDown .18s ease-out;
}

/* Slide-down animation */
@keyframes slideDown {
  from { transform: translateY(-6px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Dropdown adjustments for small screens */
@media (max-width: 991px) {
  .navbar .dropdown-menu {
    position: static; /* keep it inside the collapsed menu flow */
    float: none;
    box-shadow: none;
    padding-left: 0.5rem;
  }
  .navbar .dropdown-item { padding-left: 1.25rem; } /* indent submenu items visually */
}

/* Offset sections to avoid overlap with fixed navbar */
header[id], section[id], [id] {
  scroll-margin-top: calc(var(--nav-height) + 10px);
}

/* Hero section */
.hero { padding: 1rem 0; }

/* Noticeboard */
.notice-wrap {
  height: 320px;
  overflow: hidden;
  background: var(--soft-blue);
  border-radius: 8px;
  padding: 10px;
}
.notice-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  transform: translateY(100%);
  animation: scrollUp linear infinite;
  animation-duration: 18s;
}
.notice-item {
  background: var(--card-bg);
  padding: 12px;
  border-radius: 6px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

/* Animated slide-in underline for headings using AOS */
.section-underline {
  position: relative;
  display: inline-block;
  padding-bottom: 6px;
  margin-bottom: 1rem;
  z-index: 1;
}
.section-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 4px;
  width: 100%;
  background: var(--accent);
  border-radius: 3px;
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 700ms cubic-bezier(.2,.9,.3,1);
  will-change: transform;
}
.section-underline.aos-animate::after { transform: scaleX(1); }
.section-underline.full-underline { display: block; }

@keyframes scrollUp {
  0% { transform: translateY(100%); }
  100% { transform: translateY(-100%); }
}

/* Committee Cards */
.committee-card img {
  height: 160px;
  object-fit: cover;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}
.committee-card {
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(20,40,60,0.06);
  overflow: hidden;
}

/* Footer */
footer {
  background: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,255,255,0.9));
  padding: 2rem 0;
  margin-top: 2rem;
}

/* === MOBILE: Logo+brand left, toggler right on same line === */
@media (max-width: 767.98px) {
  .navbar .container {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
  }

  /* brand-group is left side (logo + brand text) */
  .brand-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    order: 1;
    white-space: nowrap;
  }
  .brand-group img { height: 42px; width: auto; }

  .navbar-brand {
    font-size: 0.95rem;
    line-height: 1.1;
    font-weight: 700;
    color: var(--accent);
    margin: 0;
  }

  /* toggler on same line, right */
  .navbar-toggler {
    order: 2;
    margin-left: auto;
    border: none;
    box-shadow: none !important;
  }
  .navbar-toggler-icon { width: 1.4rem; height: 1.4rem; }

  /* hide font resizer on mobile */
  .font-control { display: none !important; }
}

/* Very small devices: slight shrink for balance */
@media (max-width: 420px) {
  .brand-group img { height: 38px; }
  .navbar-brand { font-size: 0.88rem; }
  .navbar-toggler { transform: scale(0.9); margin-top: 0; }
  .navbar-toggler-icon { width: 1.3rem; height: 1.3rem; }
}

/* Smooth transitions for layout changes */
.navbar, .navbar .container, .brand-group, .navbar-toggler {
  transition: padding .22s ease, gap .18s ease, transform .18s ease;
}


/* ----- Professional mobile/tablet collapse (drop-down panel) ----- */
/* Only for devices where collapse is used */
@media (max-width: 991px) {
  /* make the container a positioned ancestor so absolute collapse is anchored to it */
  .navbar .container {
    position: relative;
  }

  /* make collapse panel drop under the navbar container */
  .navbar .navbar-collapse {
    position: absolute;
    top: 100%;             /* directly below the navbar container */
    left: 0;
    right: 0;
    background: #ffffff;   /* clean card background */
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    box-shadow: 0 10px 30px rgba(10,20,30,0.12);
    padding: 0.5rem 0.75rem;
    z-index: 1050;         /* above page content but below modals */
    max-height: calc(100vh - var(--nav-height) - 20px); /* prevents it from filling screen */
    overflow: auto;
    transform-origin: top center;
    opacity: 0;
    transform: translateY(-6px);
    transition: transform .20s ease, opacity .18s ease;
  }

  /* When Bootstrap toggles .show, animate into view */
  .navbar .navbar-collapse.show {
    opacity: 1;
    transform: translateY(0);
  }

  /* Adjust inner spacing of nav items in collapsed view */
  .navbar .navbar-nav {
    display: block;
    padding: 0.25rem 0;
  }
  .navbar .navbar-nav .nav-item {
    padding: 0.18rem 0;
  }
  .navbar .navbar-nav .nav-link {
    padding: 0.5rem 1rem;
    display: block;
  }

  /* Make dropdown submenu items tidy inside the collapsed panel */
  .navbar .dropdown-menu {
    position: static !important;
    transform: none !important;
    box-shadow: none;
    margin: 0;
    padding-left: 0.5rem;
  }
  .navbar .dropdown-item { padding-left: 1.25rem; }

  /* Reduce collapse padding when content is small */
  .navbar .navbar-collapse .navbar-nav { margin-bottom: 0; }
}