/*
 * TAKEDOWN Workshop
 *
 * Palette: colorhunt.co/palette/222831393e4600adb5eeeeee
 *   #222831  deep charcoal  — darkest surfaces / header bg
 *   #393e46  dark slate     — secondary surfaces / footer
 *   #00adb5  teal           — primary accent (links, CTAs, underlines)
 *   #eeeeee  off-white      — page background / text on dark
 */

:root {
  --ch-charcoal:   #222831;
  --ch-slate:      #393e46;
  --ch-teal:       #00adb5;
  --ch-teal-deep:  #007f86;   /* hover/active teal */
  --ch-light:      #eeeeee;
  --ch-white:      #f5f5f5;   /* page background (slightly warmer than #eee) */
  --ch-ink:        #222831;   /* body text */
  --ch-ink-soft:   #6b7280;   /* muted labels */
}

html, body {
  scroll-behavior: smooth;
}

body {
  background: var(--ch-white);
  color: var(--ch-ink);
  font-family: 'K2D', sans-serif;
  font-size: 1.0625rem;
}

.container {
  max-width: 960px !important;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--ch-charcoal);
  font-family: 'K2D', sans-serif;
}

a {
  color: var(--ch-teal);
}

a:hover, a:focus, a:active {
  color: var(--ch-teal-deep);
}

strong {
  color: var(--ch-charcoal);
}

/* Buttons — primary (teal filled) via Bootstrap 5 custom properties */
.btn-primary {
  --bs-btn-bg: var(--ch-teal);
  --bs-btn-border-color: var(--ch-teal);
  --bs-btn-hover-bg: var(--ch-teal-deep);
  --bs-btn-hover-border-color: var(--ch-teal-deep);
  --bs-btn-active-bg: var(--ch-teal-deep);
  --bs-btn-active-border-color: var(--ch-teal-deep);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-color: #fff;
  --bs-btn-focus-shadow-rgb: 0, 173, 181;
}

/* Outline button — only used inside the hero (dark bg) */
.hero .btn:not(.btn-primary) {
  border-color: #fff;
  color: #fff;
  background: transparent;
}
.hero .btn:not(.btn-primary):hover,
.hero .btn:not(.btn-primary):focus {
  border-color: var(--ch-teal);
  color: var(--ch-teal);
  background: rgba(255,255,255,0.08);
}

/* Nav links — scoped to the dark header */
.site-header .nav-link {
  color: #fff !important;
}
.site-header .nav-link:hover,
.site-header .nav-link:focus {
  color: var(--ch-teal) !important;
}

/* ── Header ── */
.site-header {
  padding: 0.45rem 0;
  background: var(--ch-charcoal);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .navbar-brand {
  font-size: 1.26rem;
  letter-spacing: 0.04em;
  color: #fff;
  text-decoration: none;
}

.site-header .navbar-brand strong {
  color: var(--ch-teal);
}

.site-header .badge {
  background: var(--ch-teal) !important;
  color: #fff;
  font-size: 0.65rem;
  letter-spacing: 0.03em;
}

/* ── Hero ─── */
.hero {
  padding: 4.8rem 0 3.6rem;
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid var(--ch-teal);
  background:
    radial-gradient(ellipse at 82% 25%, rgba(0,173,181,0.32) 0%, transparent 52%),
    radial-gradient(ellipse at 8%  85%, rgba(0,173,181,0.13) 0%, transparent 38%),
    linear-gradient(155deg, #181e27 0%, var(--ch-charcoal) 40%, var(--ch-slate) 100%);
}

/* subtle dot-grid overlay — gives a technical/network feel */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0,173,181,0.18) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

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

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 0.4rem;
  letter-spacing: 0.06em;
  color: #fff;
}

.hero .lead {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  color: var(--ch-light);
}

.hero .text-gray {
  color: #9ca3af !important;
}

.hero-actions {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ── Main sections ── */
.main-content {
  padding-top: 1rem;
  padding-bottom: 2rem;
}

.content-section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--ch-light);
}

.content-section:last-of-type {
  border-bottom: 0;
}

.content-section h2 {
  margin-bottom: 1rem;
}

.content-section h2::after {
  content: "";
  display: block;
  width: 2.8rem;
  height: 3px;
  background: var(--ch-teal);
  margin-top: 0.4rem;
}

.content-section h4 {
  margin-top: 1.2rem;
  margin-bottom: 0.6rem;
  color: var(--ch-slate);
}

/* ── Cards ── */
.card {
  border: 1px solid #d9d9d9;
  background: #fff;
  transition: box-shadow 0.15s ease;
}

.card:hover {
  box-shadow: 0 4px 14px rgba(0, 173, 181, 0.12);
}

.card .card-header {
  background: var(--ch-charcoal);
  border-bottom: none;
}

.card .card-title {
  color: #fff;
  margin-bottom: 0;
}

.card .card-subtitle {
  color: var(--ch-light) !important;
}

.topics-grid .card .card-body ul {
  margin: 0;
  padding-left: 1.1rem;
}

.topics-grid .card .card-body li {
  margin-bottom: 0.25rem;
}

/* ── Badges (page-count chips in submission cards) ── */
.submission-card .badge {
  background: var(--ch-teal);
  color: #fff;
  font-weight: 600;
}

/* ── Important Dates ── */
.date-card {
  border: 1px solid #d9d9d9;
  border-top: 3px solid var(--ch-slate);
  border-radius: 0.2rem;
  background: #fff;
  padding: 1.1rem 1.2rem;
  margin-bottom: 0.6rem;
}

.date-card--accent {
  border-top-color: var(--ch-teal);
}

.date-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ch-ink-soft);
  margin-bottom: 0.35rem;
}

.date-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ch-charcoal);
}

.date-note {
  font-size: 0.72rem;
  color: var(--ch-ink-soft);
  margin-top: 0.25rem;
}

/* ── Note callout (formerly .toast) ── */
.note-callout {
  background: #e6f9fa;
  border: 1px solid var(--ch-teal);
  color: var(--ch-charcoal);
  padding: 0.8rem 1rem;
  border-radius: 0.2rem;
}

/* ── Tiles (chairs / PC members) ── */
.tile {
  padding: 0.6rem 0.8rem;
  border: 1px solid #d9d9d9;
  border-left: 3px solid var(--ch-teal);
  border-radius: 0.2rem;
  margin-bottom: 0.5rem;
  background: #fff;
}

.tile.compact {
  padding: 0.5rem 0.7rem;
  border-left-color: var(--ch-slate);
}

.tile .tile-title {
  margin: 0;
  font-weight: 600;
  color: var(--ch-charcoal);
}

.tile .tile-subtitle {
  margin: 0;
  font-size: 0.75rem;
  color: var(--ch-ink-soft) !important;
}

/* ── Footer ── */
.site-footer {
  background: var(--ch-slate);
  padding: 1.4rem 0;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--ch-light);
}

.site-footer p,
.site-footer strong {
  color: var(--ch-light);
}

.site-footer .text-gray {
  color: #9ca3af !important;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .hero {
    padding: 2.64rem 0 1.92rem;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .site-header .badge {
    display: none;
  }
}