/* ============================================================
   金博娱乐 · 全站共享 Site Kit
   /assets/site.css
   暗夜星轨：深空蓝 × 琥珀金 × 翠绿
   ============================================================ */

/* ---------- 1. Reset & Tokens ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-deep-space: #0B1B3F;
  --color-amber: #C9A063;
  --color-emerald: #2A9D8F;
  --color-midnight: #1F2E56;
  --color-navy: #16233F;
  --color-cloud: #E9ECEF;
  --color-lavender: #8B9BC0;
  --color-cream: #FFF8EC;
  --color-warning: #D62828;

  --font-heading: "Playfair Display", Georgia, "Songti SC", "SimSun", serif;
  --font-body: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;

  --header-h: 64px;
  --nav-w: 280px;
  --content-max: 1160px;

  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;

  --border-gold: rgba(201, 160, 99, 0.35);
  --border-soft: rgba(139, 155, 192, 0.22);
  --shadow-float: 0 14px 40px rgba(3, 8, 24, 0.6);
  --ease: cubic-bezier(0.25, 0.1, 0.15, 1);
}

/* ---------- 2. Base Elements ---------- */
html {
  background-color: var(--color-deep-space);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--color-cloud);
  background-color: var(--color-deep-space);
  background-image:
    radial-gradient(circle at 85% 8%, rgba(201, 160, 99, 0.07), transparent 42%),
    radial-gradient(circle at 10% 88%, rgba(42, 157, 143, 0.05), transparent 36%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked {
  overflow: hidden;
}

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

ul,
ol {
  list-style: none;
}

a {
  color: var(--color-amber);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--color-cream);
}

button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: rgba(201, 160, 99, 0.35);
  color: var(--color-cloud);
}

/* ---------- 3. Accessibility ---------- */
.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  padding: 0.6rem 1.4rem;
  background: var(--color-amber);
  color: var(--color-navy);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 0 0 8px 8px;
  transition: top 0.2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 0;
  color: var(--color-navy);
}

/* ---------- 4. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(90deg, var(--color-navy) 0%, #101d36 55%, var(--color-navy) 100%);
  border-bottom: 1px solid var(--border-gold);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 82% -40%, rgba(201, 160, 99, 0.18), transparent 55%);
  pointer-events: none;
}

.header-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding-left: clamp(1rem, 3vw, 1.5rem);
  padding-right: clamp(0.75rem, 3vw, 1.5rem);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 2;
  background: linear-gradient(90deg, var(--color-amber), var(--color-emerald));
  transform-origin: 0 50%;
  transform: scaleX(0);
  transition: transform 0.08s linear;
  pointer-events: none;
}

/* ---------- Brand ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-cloud);
  white-space: nowrap;
  transition: color 0.2s ease;
}

a:hover .brand-name {
  color: var(--color-amber);
}

.brand-dot {
  color: var(--color-amber);
  font-size: 0.875rem;
  line-height: 1;
}

.brand-sub {
  font-size: 0.71875rem;
  letter-spacing: 0.22em;
  color: var(--color-lavender);
  white-space: nowrap;
}

/* ---------- Header Actions ---------- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feedback-entry {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--border-gold);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-amber);
  background: rgba(201, 160, 99, 0.06);
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.feedback-entry:hover,
.feedback-entry[aria-expanded="true"] {
  background: var(--color-amber);
  color: var(--color-navy);
  border-color: var(--color-amber);
}

.feedback-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-emerald);
  box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.feedback-entry:hover .feedback-dot,
.feedback-entry[aria-expanded="true"] .feedback-dot {
  background: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(11, 27, 63, 0.2);
}

/* ---------- Nav Toggle (mobile hamburger) ---------- */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  color: var(--color-cloud);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-toggle:hover {
  color: var(--color-amber);
  border-color: var(--border-gold);
}

.nav-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 22px;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle-text {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

/* ============================================================
   5. Navigation Rail
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: min(320px, 86vw);
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + 1.5rem) 0 1.5rem;
  background:
    radial-gradient(ellipse at 28% 18%, rgba(201, 160, 99, 0.12), transparent 46%),
    radial-gradient(ellipse at 72% 92%, rgba(42, 157, 143, 0.08), transparent 42%),
    var(--color-navy);
  border-right: 1px solid var(--border-gold);
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform 0.3s var(--ease), visibility 0s linear 0.3s;
  overflow-y: auto;
  z-index: 1100;
}

.site-nav[data-open="true"] {
  transform: none;
  visibility: visible;
  transition: transform 0.3s var(--ease), visibility 0s linear 0s;
  box-shadow: var(--shadow-float);
}

.site-nav::-webkit-scrollbar,
.feedback-panel::-webkit-scrollbar {
  width: 4px;
}

.site-nav::-webkit-scrollbar-thumb,
.feedback-panel::-webkit-scrollbar-thumb {
  background: rgba(201, 160, 99, 0.25);
  border-radius: 4px;
}

.nav-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-soft);
}

.nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-cloud);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nav-close:hover {
  background: var(--color-amber);
  border-color: var(--color-amber);
  color: var(--color-navy);
}

/* ---------- Nav List ---------- */
.nav-list {
  padding: 0 0.25rem;
}

.nav-item + .nav-item {
  margin-top: 0.25rem;
}

.nav-link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: 0 999px 999px 0;
  border-left: 2px solid transparent;
  color: var(--color-lavender);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.05em;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-cream);
  background: rgba(201, 160, 99, 0.08);
  border-left-color: var(--color-amber);
}

.nav-link[aria-current="page"] {
  color: var(--color-amber);
  border-left-color: var(--color-amber);
  background: linear-gradient(90deg, rgba(201, 160, 99, 0.12), transparent 75%);
}

.nav-link-index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--color-amber);
  opacity: 0.7;
}

.nav-link-text {
  flex: 1;
}

/* ---------- Nav Foot ---------- */
.nav-foot {
  margin-top: auto;
  padding: 1.75rem;
  border-top: 1px solid var(--border-soft);
  font-size: 0.75rem;
  line-height: 1.75;
  color: var(--color-lavender);
}

.nav-foot-item + .nav-foot-item {
  margin-top: 0.35rem;
}

.nav-foot-item:first-child {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ============================================================
   6. Feedback Panel (right drawer)
   ============================================================ */
.feedback-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(380px, 92vw);
  background:
    radial-gradient(ellipse at 85% 8%, rgba(201, 160, 99, 0.15), transparent 50%),
    var(--color-midnight);
  border-left: 1px solid var(--border-gold);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.35s var(--ease), visibility 0s linear 0.35s;
  overflow-y: auto;
  z-index: 1200;
}

.feedback-panel[data-open="true"] {
  transform: none;
  visibility: visible;
  transition: transform 0.35s var(--ease), visibility 0s linear 0s;
  box-shadow: var(--shadow-float);
}

.feedback-panel-inner {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.75rem;
}

.feedback-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-soft);
}

.feedback-kicker {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-amber);
}

.feedback-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-cloud);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.feedback-close:hover {
  background: var(--color-amber);
  border-color: var(--color-amber);
  color: var(--color-navy);
}

.feedback-panel-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 1.75rem;
}

.feedback-panel-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-cloud);
}

.feedback-note {
  font-size: 0.84375rem;
  line-height: 1.7;
  color: var(--color-lavender);
}

.feedback-list {
  display: grid;
  gap: 0.75rem;
}

.feedback-item {
  display: grid;
  gap: 0.2rem;
  padding: 0.875rem 1rem;
  background: var(--color-deep-space);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.feedback-item dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-lavender);
}

.feedback-item dd {
  font-size: 0.84375rem;
  line-height: 1.6;
  color: var(--color-cloud);
  overflow-wrap: break-word;
}

.feedback-trust {
  margin-top: auto;
  text-align: center;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--color-lavender);
}

/* ---------- Shared Overlay ---------- */
.site-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 27, 63, 0.65);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 1050;
}

.site-overlay[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   7. Main Content
   ============================================================ */
#main-content {
  position: relative;
  min-height: 70vh;
  padding: 2rem 0 4rem;
}

.content-wrap {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ============================================================
   8. Footer
   ============================================================ */
.site-footer {
  position: relative;
  margin-top: 3rem;
  padding: 3.5rem clamp(1.25rem, 4vw, 2rem) 1.5rem;
  background: linear-gradient(180deg, var(--color-navy), #0D1830);
  border-top: 1px solid var(--border-gold);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 12% 100%, rgba(201, 160, 99, 0.1), transparent 45%),
    radial-gradient(ellipse at 88% 0%, rgba(42, 157, 143, 0.06), transparent 40%);
  pointer-events: none;
}

.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  max-width: var(--content-max);
  margin: 0 auto;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.brand--footer {
  margin-bottom: 0.25rem;
}

.brand--footer .brand-name {
  font-size: 1.5rem;
  color: var(--color-cream);
}

.brand-tag {
  display: inline-block;
  margin-left: 0.25rem;
  padding: 0.15rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-amber);
  border: 1px solid var(--border-gold);
  border-radius: 2px;
  background: rgba(201, 160, 99, 0.06);
  vertical-align: middle;
}

.footer-brand-note {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-lavender);
}

.footer-trust {
  font-size: 0.75rem;
  line-height: 1.8;
  color: var(--color-lavender);
  border-left: 2px solid var(--color-amber);
  padding-left: 0.875rem;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-cloud);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-soft);
}

.footer-link-list {
  display: grid;
  gap: 0.4rem;
}

.footer-link-list a {
  display: inline-block;
  padding: 0.2rem 0;
  font-size: 0.84375rem;
  color: var(--color-lavender);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-link-list a:hover {
  color: var(--color-amber);
  padding-left: 0.35rem;
}

.footer-contact-list {
  display: grid;
  gap: 0.6rem;
  font-size: 0.84375rem;
}

.footer-contact-list li {
  color: var(--color-cloud);
  line-height: 1.6;
  overflow-wrap: break-word;
}

.footer-contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: 0.1rem;
}

.footer-bottom {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  max-width: var(--content-max);
  margin: 2.5rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-lavender);
}

/* ============================================================
   9. Reusable Components
   ============================================================ */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.84375rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-gold {
  background: var(--color-amber);
  border-color: var(--color-amber);
  color: var(--color-navy);
}

.btn-gold:hover {
  background: var(--color-cream);
  border-color: var(--color-cream);
  color: var(--color-navy);
}

.btn-outline {
  border-color: var(--border-gold);
  background: transparent;
  color: var(--color-amber);
}

.btn-outline:hover {
  background: rgba(201, 160, 99, 0.1);
  color: var(--color-cream);
}

.btn-ghost {
  background: transparent;
  color: var(--color-lavender);
}

.btn-ghost:hover {
  background: rgba(139, 155, 192, 0.08);
  color: var(--color-cloud);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.75rem;
}

/* ---------- Panels ---------- */
.panel {
  position: relative;
  background: linear-gradient(145deg, var(--color-midnight), var(--color-navy));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.panel::before {
  content: "";
  position: absolute;
  top: 6px;
  right: 6px;
  bottom: 6px;
  left: 6px;
  border: 1px solid rgba(201, 160, 99, 0.12);
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
}

.panel--gold {
  border-color: var(--border-gold);
}

.panel-tag {
  position: absolute;
  top: 0;
  left: 1.5rem;
  transform: translateY(-50%);
  padding: 0.25rem 0.75rem;
  background: var(--color-amber);
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  border-radius: 2px;
}

.panel > .panel-tag + * {
  margin-top: 0.75rem;
}

/* ---------- Badges & Tags ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-lavender);
  background: rgba(31, 46, 86, 0.6);
  border: 1px solid var(--border-soft);
}

.badge--live {
  color: var(--color-emerald);
  border-color: rgba(42, 157, 143, 0.4);
  background: rgba(42, 157, 143, 0.08);
}

.badge--live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2);
}

.badge--gold {
  color: var(--color-amber);
  border-color: var(--border-gold);
  background: rgba(201, 160, 99, 0.08);
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--color-amber);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  background: transparent;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  margin-bottom: 2rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-lavender);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: var(--color-amber);
  font-family: var(--font-mono);
}

.breadcrumb-link {
  color: var(--color-lavender);
  transition: color 0.2s ease;
}

.breadcrumb-link:hover {
  color: var(--color-amber);
}

.breadcrumb-current {
  color: var(--color-cloud);
}

/* ---------- Section Heading ---------- */
.section-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.section-index {
  display: inline-block;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--color-amber);
  padding: 0.15rem 0;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-amber);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--color-cloud);
}

.section-title em {
  font-style: italic;
  color: var(--color-amber);
}

.section-sub {
  max-width: 60ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-lavender);
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Image Frame (placeholder base) ---------- */
.img-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 30% 30%, rgba(201, 160, 99, 0.18), transparent 45%),
    radial-gradient(circle at 70% 70%, rgba(42, 157, 143, 0.12), transparent 40%),
    linear-gradient(150deg, #1A2A4C, var(--color-navy));
}

.img-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(201, 160, 99, 0.22) 1px, transparent 1.6px),
    radial-gradient(circle at 80% 30%, rgba(201, 160, 99, 0.16) 1px, transparent 1.6px),
    radial-gradient(circle at 50% 85%, rgba(139, 155, 192, 0.16) 1px, transparent 1.6px);
  background-size: 140px 120px, 180px 160px, 110px 110px;
  pointer-events: none;
}

.img-frame--wide {
  aspect-ratio: 21 / 9;
}

.img-frame--tall {
  aspect-ratio: 3 / 4;
}

.img-frame--square {
  aspect-ratio: 1 / 1;
}

/* ---------- Table ---------- */
.table-shell {
  overflow-x: auto;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: var(--color-midnight);
}

.data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.84375rem;
}

.data-table th {
  padding: 0.85rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  color: var(--color-amber);
  background: rgba(11, 27, 63, 0.3);
  border-bottom: 1px solid var(--border-gold);
  white-space: nowrap;
}

.data-table td {
  padding: 0.85rem 1.25rem;
  color: var(--color-cloud);
  border-bottom: 1px solid rgba(139, 155, 192, 0.15);
}

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

.data-table tbody tr:hover {
  background: rgba(201, 160, 99, 0.04);
}

.data-table .num {
  font-family: var(--font-mono);
  color: var(--color-amber);
}

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.text-muted {
  color: var(--color-lavender);
}

.text-gold {
  color: var(--color-amber);
}

/* ============================================================
   10. Responsive — Desktop
   ============================================================ */
@media (min-width: 1024px) {
  .header-bar {
    padding-left: calc(var(--nav-w) + clamp(1.25rem, 3vw, 2rem));
    padding-right: clamp(1.25rem, 3vw, 2.5rem);
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    top: var(--header-h);
    width: var(--nav-w);
    padding: 2rem 0 1.5rem;
    transform: none;
    visibility: visible;
    transition: none;
    z-index: 900;
    box-shadow: none;
    background:
      radial-gradient(ellipse at 32% 12%, rgba(201, 160, 99, 0.1), transparent 45%),
      linear-gradient(rgba(139, 155, 192, 0.028) 1px, transparent 1px),
      linear-gradient(90deg, rgba(139, 155, 192, 0.028) 1px, transparent 1px),
      var(--color-navy);
    background-size: auto, 28px 28px, 28px 28px, auto;
  }

  .nav-drawer-head {
    display: none;
  }

  #main-content {
    margin-left: var(--nav-w);
    padding: 3.5rem 0 5rem;
  }

  .site-footer {
    margin-left: var(--nav-w);
    padding-top: 4rem;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.6fr;
    gap: 2.5rem;
  }
}

/* ---------- Mobile refinements ---------- */
@media (max-width: 479px) {
  .brand-dot,
  .brand-sub {
    display: none;
  }

  .feedback-entry {
    padding: 0.4rem 0.8rem;
  }

  .nav-toggle-text {
    display: none;
  }

  .feedback-panel-inner {
    padding: 1.25rem;
  }
}

/* ============================================================
   11. Reduced Motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}