/* =============================================================
   Gathid Limited — Corporate Site CSS
   Bootstrap 5.3 companion stylesheet
   ============================================================= */

/* ---- Font faces -------------------------------------------- */
@font-face {
  font-family: 'DM Sans';
  src: url('../fonts/dm-sans/DMSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('../fonts/dm-sans/DMSans-Regular-Italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('../fonts/dm-sans/DMSans-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('../fonts/dm-sans/DMSans-Bold-Italic.woff2') format('woff2');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

/* ---- CSS custom properties --------------------------------- */
:root {
  --color-accent:    #9DFF20;
  --color-secondary: #345C00;
  --color-dark:      #0d1117;
  --color-bg:        #ffffff;
  --color-surface:   #f8f9fa;
  --color-border:    #e9ecef;
  --color-text:      #212529;
  --color-muted:     #6c757d;
}

/* ---- Base -------------------------------------------------- */
body {
  font-family: 'DM Sans', sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Navbar ------------------------------------------------ */
.site-navbar {
  background-color: var(--color-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar-brand img {
  height: 40px;
  width: auto;
}

.site-navbar .nav-link {
  color: rgba(255, 255, 255, 0.80);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link:focus {
  color: var(--color-accent);
}

.site-navbar .nav-link.active {
  color: #ffffff;
  border-bottom-color: var(--color-accent);
}

.site-navbar .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
}

.site-navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---- Buttons ----------------------------------------------- */
.btn-accent {
  background-color: var(--color-accent);
  color: #000000;
  border: none;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  letter-spacing: 0.01em;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-accent:hover,
.btn-accent:focus {
  background-color: #84d918;
  color: #000000;
}

.btn-accent:active {
  transform: translateY(1px);
}

.btn-outline-dark-custom {
  background: transparent;
  color: var(--color-dark);
  border: 1.5px solid var(--color-dark);
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn-outline-dark-custom:hover,
.btn-outline-dark-custom:focus {
  background-color: var(--color-dark);
  color: #fff;
}

/* ---- Hero -------------------------------------------------- */
.site-hero {
  background-color: var(--color-surface);
  padding: 5rem 0 4.5rem;
  border-bottom: 1px solid var(--color-border);
}

.site-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-dark);
}

.site-hero .tagline {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-hero .lead {
  font-size: 1.1rem;
  color: #495057;
  max-width: 640px;
}

/* ---- Section divider --------------------------------------- */
.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

/* ---- Cards ------------------------------------------------- */
.card-portfolio {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card-portfolio:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card-portfolio .card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
}

.card-portfolio .card-text {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.card-portfolio .card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-secondary);
  text-decoration: none;
  display: inline-block;
  margin-top: 0.75rem;
}

.card-portfolio .card-link:hover {
  color: var(--color-accent);
}

/* Policy cards */
.card-policy {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  height: 100%;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card-policy:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card-policy .policy-icon {
  font-size: 2rem;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}

.card-policy .card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.4;
}

/* ---- Announcement accordion -------------------------------- */
.accordion-announcements .accordion-item {
  border: 1px solid var(--color-border);
  border-radius: 6px !important;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.accordion-announcements .accordion-button {
  background-color: var(--color-dark);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border-radius: 6px !important;
}

.accordion-announcements .accordion-button:not(.collapsed) {
  background-color: var(--color-dark);
  color: #ffffff;
  box-shadow: none;
}

.accordion-announcements .accordion-button::after {
  filter: invert(1) sepia(1) saturate(5) hue-rotate(50deg);
}

.accordion-announcements .accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(157, 255, 32, 0.25);
}

.accordion-announcements .accordion-body {
  padding: 0;
}

/* Year badge next to accordion heading */
.year-badge {
  background-color: var(--color-accent);
  color: #000000;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

/* Announcement table */
.table-announcements {
  margin: 0;
  font-size: 0.875rem;
}

.table-announcements thead th {
  background-color: #f1f3f5;
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--color-border);
  padding: 0.6rem 1rem;
}

.table-announcements tbody tr:hover {
  background-color: rgba(157, 255, 32, 0.06);
}

.table-announcements td {
  padding: 0.65rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--color-border);
}

.table-announcements tbody tr:last-child td {
  border-bottom: none;
}

.table-announcements .date-col {
  white-space: nowrap;
  color: var(--color-muted);
  font-size: 0.82rem;
  width: 120px;
}

.table-announcements .download-col {
  width: 90px;
  text-align: center;
}

.table-announcements a.download-link {
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 0.8rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.15s ease;
}

.table-announcements a.download-link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Placeholder row for historical data */
.row-placeholder td {
  color: var(--color-muted);
  font-style: italic;
  background-color: #fafafa;
}

/* ---- Privacy Policy prose ---------------------------------- */
.prose-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

.prose-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.prose-content p {
  color: #3d4349;
  line-height: 1.75;
  margin-bottom: 1rem;
}

/* ---- Page header ------------------------------------------- */
.page-header {
  background-color: var(--color-surface);
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
}

.page-header .lead {
  font-size: 1rem;
  color: var(--color-muted);
}

/* ---- 404 -------------------------------------------------- */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-page .error-code {
  font-size: 6rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
}

.error-page h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-dark);
}

/* ---- Footer ----------------------------------------------- */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.65);
  padding: 2.5rem 0;
  font-size: 0.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer .footer-brand {
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
}

.site-footer .footer-tagline {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.78rem;
  margin-top: 0.25rem;
}

.site-footer a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.site-footer .footer-divider {
  border-color: rgba(255, 255, 255, 0.1);
  margin: 1.5rem 0;
}

.site-footer .copyright {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.78rem;
}

/* ---- Utility ---------------------------------------------- */
.section-padding {
  padding: 4rem 0;
}

.section-padding-sm {
  padding: 2.5rem 0;
}

@media (max-width: 767.98px) {
  .section-padding {
    padding: 2.5rem 0;
  }

  .site-hero {
    padding: 3rem 0 2.5rem;
  }

  .site-navbar .nav-link.active {
    border-bottom: none;
    color: var(--color-accent);
  }
}