/* ==========================================================================
   MPMED-SEZ Investor Portal - design system
   eGA/EXT/APA/009 v2.0 compliant. Colours only via custom properties.
   ========================================================================== */

:root {
  --color-deep-teal: #0B3D40;  /* primary: header bar, navbar, footer */
  --color-tanzanite: #2A2D7C;  /* secondary accents, links */
  --color-saffron:   #F4B400;  /* CTA ONLY */
  --color-ember:     #D7263D;  /* errors only */
  --color-sandstone: #F7F5F0;  /* section backgrounds */
  --color-deep-ink:  #0F1923;  /* body text */
  --color-white:     #FFFFFF;
  --color-mist:      #D9DDE3;  /* borders */
  --color-leaf:      #1A7F4B;  /* available/success */
  --color-amber:     #B45309;  /* reserved/pending */
  --color-helper:    #6B7280;
  --color-saffron-hover: #DCA300;
  --color-deep-teal-05: rgba(11, 61, 64, 0.05);
  --color-deep-teal-10: rgba(11, 61, 64, 0.10);
  --space-xs: 4px; --space-sm: 8px; --space-md: 16px; --space-lg: 24px;
  --space-xl: 32px; --space-2xl: 48px; --space-3xl: 64px; --space-4xl: 96px;
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-card: 4px;
  --transition-base: 160ms ease-in-out;
}

/* ---------- Base typography ---------- */

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-deep-ink);
  background-color: var(--color-white);
  text-rendering: optimizeLegibility;
}

h1, h2, .hero-headline {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-deep-teal);
}

h1 { font-size: 2.5rem; margin-bottom: var(--space-lg); }
h2 { font-size: 2rem; margin-bottom: var(--space-lg); }
h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-deep-teal);
}
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

.hero-headline { font-size: 3.5rem; line-height: 1.12; }
@media (max-width: 767.98px) {
  .hero-headline { font-size: 2.25rem; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }
}

p { margin-bottom: var(--space-md); }
small, .small { font-size: 0.875rem; }

.content-measure { max-width: 680px; }

/* Body links: underlined, unvisited tanzanite, visited deep-teal */
main a:not(.btn):not(.nav-link):not(.dropdown-item):not(.breadcrumb-item a):not(.card-link-plain):not(.page-link):not(.share-link) {
  text-decoration: underline;
  text-underline-offset: 2px;
  color: var(--color-tanzanite);
}
main a:not(.btn):not(.nav-link):not(.dropdown-item):not(.page-link):not(.share-link):visited {
  color: var(--color-deep-teal);
}
main a:not(.btn):not(.nav-link):not(.dropdown-item):not(.page-link):not(.share-link):hover {
  color: var(--color-deep-teal);
  text-decoration-thickness: 2px;
}

/* ---------- Accessibility helpers ---------- */

.visually-hidden-focusable:focus {
  position: fixed;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 2000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  color: var(--color-deep-teal);
  border: 2px solid var(--color-deep-teal);
  border-radius: var(--radius-card);
  font-weight: 600;
}

:focus-visible {
  outline: 3px solid var(--color-deep-teal);
  outline-offset: 2px;
  border-radius: 2px;
}
.navbar-mpmed :focus-visible,
.header-bar :focus-visible,
.footer-mpmed :focus-visible,
.section-teal :focus-visible,
.section-tanzanite :focus-visible,
.hero-section :focus-visible {
  outline-color: var(--color-saffron);
}

/* ---------- Header bar (global utility strip) ---------- */

.header-bar {
  background: var(--color-deep-teal);
  color: var(--color-white);
  font-size: 0.8125rem;
  border-bottom: 1px solid var(--color-deep-teal-10);
}
.header-bar a {
  color: var(--color-white);
  text-decoration: none;
  opacity: 0.92;
}
.header-bar a:hover { opacity: 1; text-decoration: underline; }
.header-bar a:visited { color: var(--color-white); }
.header-bar .header-bar-sep { opacity: 0.4; margin: 0 var(--space-sm); }
.header-bar .header-search-input {
  width: 20ch;
  min-width: 20ch;
  font-size: 0.8125rem;
  padding: 2px var(--space-sm);
  border: 1px solid var(--color-mist);
  border-radius: 3px;
  background: var(--color-white);
  color: var(--color-deep-ink);
}
.header-bar .header-search-btn {
  font-size: 0.8125rem;
  padding: 2px var(--space-md);
  border: 1px solid var(--color-white);
  border-radius: 3px;
  background: transparent;
  color: var(--color-white);
}
.header-bar .header-search-btn:hover { background: var(--color-deep-teal-10); }
.header-bar .lang-active { color: var(--color-white); }

/* ---------- Masthead ---------- */

.masthead {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-mist);
  padding: var(--space-md) 0;
}
.masthead img { max-height: 80px; width: auto; }
.masthead .masthead-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-deep-teal);
  line-height: 1.2;
  margin: 0;
}
.masthead .masthead-subtitle {
  font-size: 0.8125rem;
  color: var(--color-helper);
  margin: 0;
  letter-spacing: 0.01em;
}
@media (max-width: 767.98px) {
  .masthead img { max-height: 56px; }
  .masthead .masthead-title { font-size: 1.15rem; }
  .masthead .masthead-subtitle { font-size: 0.72rem; }
}

/* ---------- Primary navigation ---------- */

.navbar-mpmed {
  background: var(--color-deep-teal);
  padding-top: 0;
  padding-bottom: 0;
  box-shadow: 0 1px 0 var(--color-deep-teal-10);
}
.navbar-mpmed .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.55);
  margin: var(--space-sm) 0;
}
.navbar-mpmed .navbar-toggler:focus { box-shadow: none; outline: 3px solid var(--color-saffron); }
.navbar-mpmed .nav-link {
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: var(--space-md) var(--space-md);
  border-bottom: 3px solid transparent;
  transition: background-color var(--transition-base);
}
.navbar-mpmed .nav-link:hover,
.navbar-mpmed .nav-link:focus {
  color: var(--color-white);
  background: var(--color-deep-teal-10);
}
.navbar-mpmed .nav-link.active,
.navbar-mpmed .nav-item.dropdown.show > .nav-link {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}
.navbar-mpmed .dropdown-menu {
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-card);
  box-shadow: 0 8px 24px rgba(15, 25, 35, 0.12);
  padding: var(--space-sm) 0;
  margin-top: 0;
}
.navbar-mpmed .dropdown-item {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-deep-ink);
  padding: var(--space-sm) var(--space-lg);
}
.navbar-mpmed .dropdown-item:hover,
.navbar-mpmed .dropdown-item:focus {
  background: var(--color-sandstone);
  color: var(--color-deep-teal);
}
.navbar-mpmed .dropdown-item.active,
.navbar-mpmed .dropdown-item:active {
  background: var(--color-deep-teal);
  color: var(--color-white);
}
.navbar-mpmed .btn-cta { margin: var(--space-sm) 0; }

/* ---------- Buttons ---------- */

.btn {
  font-weight: 600;
  border-radius: var(--radius-card);
  transition: background-color var(--transition-base), border-color var(--transition-base),
              color var(--transition-base);
}
.btn-cta {
  background: var(--color-saffron);
  border: 1px solid var(--color-saffron);
  color: var(--color-deep-ink);
  font-weight: 700;
  padding: 10px var(--space-lg);
}
.btn-cta:hover, .btn-cta:focus {
  background: var(--color-saffron-hover);
  border-color: var(--color-saffron-hover);
  color: var(--color-deep-ink);
}
.btn-cta:focus-visible { outline: 3px solid var(--color-deep-teal); outline-offset: 2px; }
.btn-outline-light:hover { color: var(--color-deep-teal); }
.btn-primary-mpmed {
  background: var(--color-deep-teal);
  border: 1px solid var(--color-deep-teal);
  color: var(--color-white);
}
.btn-primary-mpmed:hover, .btn-primary-mpmed:focus {
  background: var(--color-tanzanite);
  border-color: var(--color-tanzanite);
  color: var(--color-white);
}
.btn-outline-teal {
  background: transparent;
  border: 1px solid var(--color-deep-teal);
  color: var(--color-deep-teal);
}
.btn-outline-teal:hover, .btn-outline-teal:focus {
  background: var(--color-deep-teal);
  color: var(--color-white);
}

/* ---------- Sections ---------- */

.section-pad { padding: var(--space-3xl) 0; }
@media (max-width: 767.98px) { .section-pad { padding: var(--space-2xl) 0; } }

.section-sandstone { background: var(--color-sandstone); }
.section-teal { background: var(--color-deep-teal); color: var(--color-white); }
.section-teal h1, .section-teal h2, .section-teal h3, .section-teal h4 { color: var(--color-white); }
.section-tanzanite { background: var(--color-tanzanite); color: var(--color-white); }
.section-tanzanite h1, .section-tanzanite h2, .section-tanzanite h3 { color: var(--color-white); }

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-tanzanite);
  margin-bottom: var(--space-sm);
}
.section-teal .section-eyebrow, .section-tanzanite .section-eyebrow { color: var(--color-saffron); }
.section-lead { font-size: 1.125rem; color: var(--color-helper); max-width: 720px; }
.section-teal .section-lead, .section-tanzanite .section-lead { color: rgba(255, 255, 255, 0.85); }

/* ---------- Hero ---------- */

.hero-section {
  background: var(--color-deep-teal);
  background-image: linear-gradient(135deg, var(--color-deep-teal) 0%, #0E4A4E 55%, var(--color-tanzanite) 140%);
  color: var(--color-white);
  padding: var(--space-4xl) 0 var(--space-3xl);
}
.hero-section .hero-headline { color: var(--color-white); }
.hero-section .lead { color: rgba(255, 255, 255, 0.88); font-size: 1.25rem; max-width: 640px; }
@media (max-width: 767.98px) { .hero-section { padding: var(--space-3xl) 0 var(--space-2xl); } }

/* ---------- Cards ---------- */

.card-mpmed {
  background: var(--color-white);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-card);
  box-shadow: none;
  height: 100%;
  transition: border-color var(--transition-base), border-left-width var(--transition-base);
}
.card-mpmed:hover { border-left: 3px solid var(--color-saffron); }
.card-mpmed .card-body { padding: var(--space-lg); }
.card-mpmed .card-title { font-size: 1.15rem; font-weight: 600; color: var(--color-deep-teal); }
.card-mpmed .card-footer {
  background: transparent;
  border-top: 1px solid var(--color-mist);
  padding: var(--space-md) var(--space-lg);
}
.card-mpmed .card-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-card);
  background: var(--color-deep-teal-05);
  color: var(--color-deep-teal);
  font-size: 1.35rem;
  margin-bottom: var(--space-md);
}
a.card-link-plain, a.card-link-plain:hover, a.card-link-plain:visited {
  text-decoration: none;
  color: inherit;
}

/* Numbered step cards (investor journey) */
.step-card { position: relative; }
.step-card .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-deep-teal);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: var(--space-md);
}
.step-card.step-current { border: 2px solid var(--color-deep-teal); }
.step-card.step-done .step-number { background: var(--color-leaf); }

/* ---------- Badges ---------- */

.badge-available, .badge-reserved, .badge-unavailable {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.01em;
}
.badge-available { background: var(--color-leaf); color: var(--color-white); }
.badge-reserved { background: var(--color-amber); color: var(--color-white); }
.badge-unavailable { background: var(--color-mist); color: var(--color-deep-ink); }
.badge-category {
  background: var(--color-deep-teal-05);
  color: var(--color-deep-teal);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}
.badge-status {
  background: var(--color-tanzanite);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}

/* ---------- Breadcrumbs ---------- */

.breadcrumb {
  font-size: 0.875rem;
  background: transparent;
  padding: 0;
  margin-bottom: var(--space-lg);
  --bs-breadcrumb-divider: ">";
}
.breadcrumb-item + .breadcrumb-item::before {
  content: var(--bs-breadcrumb-divider);
  color: var(--color-helper);
}
.breadcrumb-item a { color: var(--color-tanzanite); }
.breadcrumb-item.active { color: var(--color-deep-ink); font-weight: 700; }

/* ---------- Forms ---------- */

.form-label { font-weight: 600; color: var(--color-deep-ink); margin-bottom: var(--space-xs); }
.form-control, .form-select {
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-card);
  padding: 10px 12px;
  font-size: 1rem;
  color: var(--color-deep-ink);
}
.form-control:focus, .form-select:focus {
  border-color: var(--color-deep-teal);
  box-shadow: 0 0 0 3px var(--color-deep-teal-10);
}
.form-check-input:checked { background-color: var(--color-deep-teal); border-color: var(--color-deep-teal); }
.form-check-input:focus { border-color: var(--color-deep-teal); box-shadow: 0 0 0 3px var(--color-deep-teal-10); }
.form-text { color: var(--color-helper); }
.field-error, .errorlist { color: var(--color-ember); font-size: 0.875rem; list-style: none; padding-left: 0; margin-top: var(--space-xs); }
fieldset { border: 1px solid var(--color-mist); border-radius: var(--radius-card); padding: var(--space-lg); margin-bottom: var(--space-xl); }
legend {
  float: none;
  width: auto;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-deep-teal);
  padding: 0 var(--space-sm);
  margin-bottom: 0;
}

/* ---------- Tables ---------- */

.table-mpmed { font-size: 0.9375rem; }
.table-mpmed thead th {
  background: var(--color-deep-teal);
  color: var(--color-white);
  font-weight: 600;
  border: none;
  padding: 12px var(--space-md);
  white-space: nowrap;
}
.table-mpmed tbody td { padding: 12px var(--space-md); vertical-align: top; border-color: var(--color-mist); }
.table-mpmed tbody tr:nth-child(even) { background: var(--color-sandstone); }

/* ---------- Footer ---------- */

.footer-mpmed {
  background: var(--color-deep-teal);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
  padding: var(--space-3xl) 0 var(--space-lg);
  margin-top: auto;
}
.footer-mpmed h2, .footer-mpmed h3 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.footer-mpmed a { color: rgba(255, 255, 255, 0.85); text-decoration: none; }
.footer-mpmed a:hover, .footer-mpmed a:focus { color: var(--color-white); text-decoration: underline; }
.footer-mpmed ul { list-style: none; padding: 0; margin: 0; }
.footer-mpmed ul li { margin-bottom: var(--space-sm); }
.footer-mpmed .footer-partner-logo { max-height: 40px; width: auto; background: var(--color-white); border-radius: 3px; padding: 4px; }
.footer-mpmed .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  font-size: 0.8125rem;
}
.footer-mpmed .footer-bottom a { text-decoration: underline; }
.footer-mpmed .footer-bottom .sep { margin: 0 var(--space-sm); opacity: 0.5; }

/* ---------- Cookie banner ---------- */

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1080;
  background: var(--color-white);
  border-top: 3px solid var(--color-deep-teal);
  box-shadow: 0 -8px 30px rgba(15, 25, 35, 0.15);
  padding: var(--space-md) 0;
}
.cookie-banner p { font-size: 0.875rem; margin: 0; }

/* ---------- Minister popup ---------- */

#ministerPopup .modal-header { background: var(--color-deep-teal); color: var(--color-white); }
#ministerPopup .modal-header .btn-close { filter: invert(1); }
#ministerPopup .minister-photo {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--color-sandstone);
}

/* ---------- Utility ---------- */

.text-helper { color: var(--color-helper); }
.text-leaf { color: var(--color-leaf); }
.text-amber { color: var(--color-amber); }
.text-ember { color: var(--color-ember); }
.bg-sandstone { background: var(--color-sandstone); }
.border-mist { border-color: var(--color-mist) !important; }
.zone-explorer-placeholder {
  border: 2px dashed var(--color-mist);
  border-radius: var(--radius-card);
  background: var(--color-sandstone);
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
  color: var(--color-helper);
}
.callout {
  border-left: 4px solid var(--color-deep-teal);
  background: var(--color-sandstone);
  padding: var(--space-md) var(--space-lg);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  margin-bottom: var(--space-lg);
}
.callout-saffron { border-left-color: var(--color-saffron); }
.share-link { text-decoration: none; font-weight: 600; font-size: 0.875rem; }
.share-link:hover { text-decoration: underline; }

/* ---------- Homepage stats bar ---------- */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  padding-top: var(--space-xl);
}
@media (max-width: 991.98px) { .stats-bar { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 575.98px) { .stats-bar { grid-template-columns: repeat(2, 1fr); } }
.stats-bar-item { display: flex; flex-direction: column; gap: 2px; }
.stats-bar-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1.1;
  color: var(--color-saffron);
}
.stats-bar-label { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.78); }

/* ---------- Trust strip ---------- */

.trust-partner { display: inline-flex; align-items: center; text-decoration: none; }
.trust-partner-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-deep-teal);
  letter-spacing: 0.02em;
}
.trust-partner-logo { max-height: 44px; width: auto; }

/* ---------- Filter buttons ---------- */

.filter-btn.active {
  background: var(--color-deep-teal);
  color: var(--color-white);
  border-color: var(--color-deep-teal);
}

/* ---------- Chatbot widget ---------- */

#chatbot-toggle {
  position: fixed;
  right: var(--space-lg);
  bottom: var(--space-lg);
  z-index: 1070;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--color-deep-teal);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(15, 25, 35, 0.25);
  transition: background-color var(--transition-base);
}
#chatbot-toggle:hover { background: var(--color-tanzanite); }

#chatbot-panel {
  position: fixed;
  right: var(--space-lg);
  bottom: calc(var(--space-lg) + 68px);
  z-index: 1070;
  width: min(360px, calc(100vw - 32px));
  height: min(480px, 70vh);
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-card);
  box-shadow: 0 12px 40px rgba(15, 25, 35, 0.22);
  overflow: hidden;
}
.chatbot-header {
  background: var(--color-deep-teal);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
}
.chatbot-title { font-size: 1rem; margin: 0; color: var(--color-white); }
#chatbot-close {
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  line-height: 1;
  padding: 0 var(--space-xs);
  cursor: pointer;
}
#chatbot-log {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.chatbot-msg {
  max-width: 85%;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-card);
  font-size: 0.9375rem;
  line-height: 1.5;
}
.chatbot-msg.user {
  align-self: flex-end;
  background: var(--color-sandstone);
}
.chatbot-msg.bot {
  align-self: flex-start;
  border: 1px solid var(--color-mist);
  background: var(--color-white);
}
.chatbot-msg.pending { color: var(--color-helper); }
#chatbot-form {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-top: 1px solid var(--color-mist);
}
#chatbot-input {
  flex: 1;
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-card);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9375rem;
}
#chatbot-input:focus {
  border-color: var(--color-deep-teal);
  outline: 3px solid var(--color-deep-teal-10);
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}