/* ==========================================================================
   Meridian Trust — Transfer Tracker
   ========================================================================== */

:root {
  --color-bg: #f6f7f9;
  --color-surface: #ffffff;
  --color-text: #14213a;
  --color-text-secondary: #5c6577;
  --color-text-muted: #8991a3;
  --color-border: #e4e7ed;
  --color-border-strong: #d3d8e0;

  --color-primary: #1656c9;
  --color-primary-dark: #113f96;
  --color-primary-tint: #eaf1fd;

  --color-success: #157a44;
  --color-success-tint: #e6f6ec;
  --color-success-border: #bfe6cd;

  --color-warning: #a15c07;
  --color-warning-tint: #fdf1de;
  --color-warning-border: #f3d9a4;

  --color-danger: #b3261e;
  --color-danger-tint: #fceeed;
  --color-danger-border: #f2c3bf;

  --color-neutral: #4b5468;
  --color-neutral-tint: #eef0f4;
  --color-neutral-border: #dde1e8;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(20, 33, 58, 0.06);
  --shadow-md: 0 4px 16px rgba(20, 33, 58, 0.06), 0 1px 3px rgba(20, 33, 58, 0.06);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 4px;
}

p {
  margin: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-shell {
  padding: 32px 20px 64px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-shell--narrow {
  max-width: 720px;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand:hover {
  text-decoration: none;
}
.brand-mark {
  color: var(--color-primary);
  display: inline-flex;
}
.brand-mark--image img {
  display: block;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.main-nav a {
  color: var(--color-text-secondary);
  font-size: 14.5px;
  font-weight: 600;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover {
  color: var(--color-text);
  text-decoration: none;
}
.main-nav a.is-active {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.secure-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-success);
  background: var(--color-success-tint);
  border: 1px solid var(--color-success-border);
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.help-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
}
.menu-toggle:hover {
  background: var(--color-bg);
}

/* Small-screen side nav (assets/js/drawer.js) */
body.drawer-open {
  overflow: hidden;
}
.site-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(10, 18, 34, 0.45);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.site-drawer-backdrop[hidden] {
  display: none;
}
.site-drawer-backdrop.is-open {
  opacity: 1;
}

.site-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  width: min(300px, 85vw);
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  box-shadow: -12px 0 32px rgba(20, 33, 58, 0.18);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.25s ease, visibility 0s linear 0.25s;
  overscroll-behavior: contain;
}
.site-drawer.is-open {
  transform: none;
  visibility: visible;
  transition: transform 0.25s ease, visibility 0s;
}

.site-drawer-head {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 68px;
  padding: 0 16px 0 20px;
  border-bottom: 1px solid var(--color-border);
}
.site-drawer-head .brand {
  min-width: 0;
}
.site-drawer-head .brand-name {
  overflow: hidden;
  text-overflow: ellipsis;
}
.site-drawer-close {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
}
.site-drawer-close:hover {
  color: var(--color-text);
  background: var(--color-bg);
}

.site-drawer-nav {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 12px;
}
.site-drawer-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: 600;
}
.site-drawer-link svg {
  flex: none;
}
.site-drawer-link:hover {
  color: var(--color-text);
  background: var(--color-bg);
  text-decoration: none;
}
.site-drawer-link.is-active {
  color: var(--color-primary-dark);
  background: var(--color-primary-tint);
  box-shadow: inset 3px 0 0 var(--color-primary);
}
.site-drawer-link.is-active svg {
  color: var(--color-primary);
}

.site-drawer-foot {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 16px 20px 22px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.site-drawer-help-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.site-drawer-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  padding: 6px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}
.site-drawer-contact svg {
  flex: none;
}
.site-drawer-contact span {
  overflow-wrap: anywhere;
}
.site-drawer-secure {
  margin-top: 10px;
}

.menu-toggle:focus-visible,
.site-drawer-close:focus-visible,
.site-drawer-link:focus-visible,
.site-drawer-contact:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .site-drawer,
  .site-drawer-backdrop {
    transition: none;
  }
}

/* ==========================================================================
   Hero / state hero
   ========================================================================== */

.hero {
  padding: 40px 0 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--color-primary);
}
.hero h1 {
  font-size: clamp(28px, 4vw, 38px);
  max-width: 620px;
  letter-spacing: -0.02em;
}
.hero-sub {
  color: var(--color-text-secondary);
  max-width: 520px;
  font-size: 16px;
  margin-bottom: 8px;
}
.hero .track-card {
  width: 100%;
  max-width: 560px;
  text-align: left;
}

.state-hero {
  padding: 8px 0 4px;
  text-align: left;
}
.state-hero h1 {
  font-size: clamp(24px, 3.5vw, 30px);
}
.state-hero p {
  color: var(--color-text-secondary);
  margin-top: 6px;
  font-size: 15px;
}
.state-hero .track-card {
  margin-top: 20px;
}

.state-hint {
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
}
.state-hero + .state-hint {
  text-align: left;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 12px;
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}
.feature-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-tint);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}
.feature-card h3 {
  font-size: 15px;
  margin-bottom: 6px;
}
.feature-card p {
  font-size: 13.5px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Track / search card
   ========================================================================== */

.track-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}
.track-card h2 {
  font-size: 17px;
}
.track-sub {
  color: var(--color-text-secondary);
  font-size: 13.5px;
  margin-top: 4px;
  margin-bottom: 16px;
}

.track-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.field {
  position: relative;
  flex: 1 1 260px;
  min-width: 0;
}
.field-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}
.field input[type="text"] {
  width: 100%;
  height: 46px;
  padding: 0 14px 0 38px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input[type="text"]::placeholder {
  color: var(--color-text-muted);
}
.field input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(22, 86, 201, 0.15);
}
.field input[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.field-error {
  color: var(--color-danger);
  font-size: 13px;
  font-weight: 600;
  margin-top: 10px;
}

.btn {
  height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
}

/* ==========================================================================
   Result states (invalid / not-found)
   ========================================================================== */

.result-state {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 36px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.result-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
}
.result-state--danger .result-icon {
  background: var(--color-danger-tint);
  color: var(--color-danger);
}
.result-state--neutral .result-icon {
  background: var(--color-neutral-tint);
  color: var(--color-neutral);
}
.result-state h1 {
  font-size: 21px;
}
.result-state > p {
  color: var(--color-text-secondary);
  font-size: 14.5px;
  max-width: 440px;
}
.result-next {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 10px 0 8px;
  max-width: 440px;
  text-align: left;
}
.result-next-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.result-next p:last-child {
  font-size: 13.5px;
  color: var(--color-text-secondary);
}
.result-state .track-card {
  width: 100%;
  max-width: 460px;
  margin-top: 12px;
  box-shadow: none;
  text-align: left;
}

/* ==========================================================================
   Page banner (delayed / failed context strip)
   ========================================================================== */

.page-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
}
.page-banner span {
  min-width: 0;
}
.page-banner--warning {
  background: var(--color-warning-tint);
  color: var(--color-warning);
  border-color: var(--color-warning-border);
}
.page-banner--danger {
  background: var(--color-danger-tint);
  color: var(--color-danger);
  border-color: var(--color-danger-border);
}
.page-banner svg {
  flex: none;
}

/* ==========================================================================
   Overview card
   ========================================================================== */

.overview-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 28px;
}

.overview-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.overview-top > div {
  min-width: 0;
}
.overview-top h1 {
  overflow-wrap: break-word;
}
.overview-eyebrow {
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.overview-top h1 {
  font-size: 22px;
  letter-spacing: -0.01em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  padding: 7px 13px;
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid transparent;
}
.badge--success {
  background: var(--color-success-tint);
  color: var(--color-success);
  border-color: var(--color-success-border);
}
.badge--warning {
  background: var(--color-warning-tint);
  color: var(--color-warning);
  border-color: var(--color-warning-border);
}
.badge--danger {
  background: var(--color-danger-tint);
  color: var(--color-danger);
  border-color: var(--color-danger-border);
}
.badge--neutral {
  background: var(--color-neutral-tint);
  color: var(--color-neutral);
  border-color: var(--color-neutral-border);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px 24px;
  margin: 0;
}
.overview-field dt {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.overview-field dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}
.overview-field dd.amount {
  font-size: 19px;
  font-weight: 800;
  color: var(--color-primary-dark);
}

/* ==========================================================================
   Timeline
   ========================================================================== */

.timeline-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 28px;
}
.timeline-card h2 {
  font-size: 17px;
  margin-bottom: 24px;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: flex-start;
}

.timeline-step {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 6px;
}

.timeline-step::before {
  content: "";
  position: absolute;
  top: 15px;
  left: -50%;
  width: 100%;
  height: 2px;
  background: var(--color-border-strong);
  z-index: 0;
}
.timeline-step:first-child::before {
  content: none;
}
.timeline-step.is-complete::before {
  background: var(--color-success-border);
}

.step-marker {
  position: relative;
  z-index: 1;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 2px solid var(--color-border-strong);
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.timeline-step.is-complete .step-marker {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

.timeline-step.is-active .step-marker {
  border-color: var(--color-warning);
  color: var(--color-warning);
  box-shadow: 0 0 0 0 rgba(161, 92, 7, 0.35);
  animation: pulse-ring 1.8s ease-out infinite;
}
.step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-warning);
}
.step-dot--pending {
  background: var(--color-border-strong);
}

.timeline-step.is-failed .step-marker {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(161, 92, 7, 0.35); }
  70% { box-shadow: 0 0 0 8px rgba(161, 92, 7, 0); }
  100% { box-shadow: 0 0 0 0 rgba(161, 92, 7, 0); }
}

.step-content {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.step-label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-text);
}
.timeline-step.is-pending .step-label {
  color: var(--color-text-muted);
}
.step-timestamp {
  font-size: 12px;
  color: var(--color-text-muted);
}
.timeline-step.is-active .step-timestamp {
  color: var(--color-warning);
  font-weight: 600;
}
.timeline-step.is-failed .step-timestamp {
  color: var(--color-danger);
  font-weight: 600;
}

.step-badge {
  display: inline-block;
  margin-left: 6px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-warning);
  background: var(--color-warning-tint);
  border: 1px solid var(--color-warning-border);
  border-radius: 999px;
  padding: 1px 7px;
  vertical-align: middle;
}

/* ==========================================================================
   Update card
   ========================================================================== */

.update-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 28px;
}
.update-top {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}
.update-top > div {
  min-width: 0;
}
.update-icon {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.update-icon--success { background: var(--color-success-tint); color: var(--color-success); }
.update-icon--warning { background: var(--color-warning-tint); color: var(--color-warning); }
.update-icon--danger { background: var(--color-danger-tint); color: var(--color-danger); }
.update-icon--neutral { background: var(--color-neutral-tint); color: var(--color-neutral); }

.update-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}
.update-top h2 {
  font-size: 17px;
}
.update-body {
  color: var(--color-text-secondary);
  font-size: 14.5px;
  line-height: 1.6;
  margin-bottom: 12px;
}
.update-timestamp {
  font-size: 12.5px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: 24px;
}
.footer-inner {
  padding: 36px 20px 28px;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 28px;
}
.trust-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.trust-item svg {
  flex: none;
  color: var(--color-primary);
  margin-top: 2px;
}
.trust-item > div {
  min-width: 0;
}
.trust-title {
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 3px;
}
.trust-text {
  font-size: 12.5px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}
.trust-text a {
  color: var(--color-text-secondary);
  text-decoration: underline;
}

.footer-base {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: var(--color-text-muted);
}
.footer-links a {
  color: var(--color-text-muted);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 860px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .main-nav,
  .secure-pill,
  .help-link {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .header-inner {
    gap: 12px;
  }
  .header-inner > .brand {
    min-width: 0;
  }
  .header-inner > .brand .brand-name {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .overview-top {
    flex-direction: column;
  }

  /* vertical stepper on small screens */
  .timeline {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .timeline-step {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    padding: 0 0 22px;
  }
  .timeline-step:last-child {
    padding-bottom: 0;
  }
  .timeline-step::before {
    content: "";
    position: absolute;
    top: 32px;
    left: 15px;
    width: 2px;
    height: calc(100% - 22px);
    background: var(--color-border-strong);
  }
  .timeline-step:first-child::before {
    content: "";
  }
  .timeline-step.is-complete::before {
    background: var(--color-success-border);
  }
  .step-marker {
    margin-bottom: 0;
    margin-right: 14px;
  }
  .step-content {
    padding-top: 4px;
  }
}

@media (max-width: 560px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .track-form {
    flex-direction: column;
  }
  .field {
    flex: 1 1 auto;
  }
  .btn {
    width: 100%;
  }
  .result-state {
    padding: 28px 18px;
  }
}