/* ========== Reset & Base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-warm-white);
}

h1, h2, h3, h4, h5, h6,
p, ul, ol, dl, figure, blockquote {
  margin: 0;
}

ul, ol {
  padding: 0;
}

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

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

a {
  color: var(--c-peacock);
  text-underline-offset: 2px;
}

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

#main-content {
  scroll-margin-top: 24px;
}

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

/* ========== Design Tokens ========== */
:root {
  --c-peacock: #00A5CF;
  --c-amber: #FFC107;
  --c-coral: #FF6F61;
  --c-teal: #20B2AA;
  --c-violet: #9B59B6;
  --c-neon: #39FF14;
  --c-success: #28A745;
  --c-buffer: #FFD700;
  --c-error: #DC3545;
  --c-charcoal: #1E1E1E;
  --c-warm-white: #FFF8F0;
  --c-ink: #2D2D2D;

  --font-headline: Impact, 'Arial Black', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Roboto Mono', 'Cascadia Mono', 'SFMono-Regular', 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;

  --container-max: 1240px;
  --container-pad: 24px;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-sm: 0 1px 2px rgba(30,30,30,0.04), 0 4px 12px rgba(30,30,30,0.05);
  --shadow-md: 0 2px 4px rgba(30,30,30,0.04), 0 10px 24px rgba(30,30,30,0.08);
}

/* ========== Utilities ========== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

@media (max-width: 640px) {
  :root {
    --container-pad: 16px;
  }
}

.mono {
  font-family: var(--font-mono);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-peacock);
}

/* ========== Skip Link & Scroll Progress ========== */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 200;
  background: var(--c-neon);
  color: var(--c-charcoal);
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 0;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--c-neon);
  z-index: 210;
  pointer-events: none;
}

/* ========== Site Header ========== */
.site-header {
  position: relative;
  z-index: 50;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(0,165,207,0.20), transparent 55%),
    radial-gradient(ellipse at 80% 100%, rgba(155,89,182,0.16), transparent 55%),
    var(--c-charcoal);
  color: var(--c-warm-white);
}

.mast-ticker {
  height: 6px;
  background: linear-gradient(90deg,
    var(--c-peacock) 0%,
    var(--c-peacock) 16.6%,
    var(--c-amber) 16.6%,
    var(--c-amber) 33.2%,
    var(--c-coral) 33.2%,
    var(--c-coral) 49.8%,
    var(--c-teal) 49.8%,
    var(--c-teal) 66.4%,
    var(--c-violet) 66.4%,
    var(--c-violet) 83%,
    var(--c-neon) 83%,
    var(--c-neon) 100%
  );
}

.header-mast {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 26px 0 20px;
}

.mast-aside {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.75rem;
  color: rgba(255,248,240,0.6);
}

.mast-aside--left {
  grid-column: 1;
  justify-self: start;
}

.mast-aside--right {
  grid-column: 3;
  justify-self: end;
  align-items: flex-end;
}

.mast-vol {
  color: var(--c-neon);
  letter-spacing: 0.12em;
}

.mast-code {
  color: rgba(255,248,240,0.45);
  letter-spacing: 0.1em;
}

.mast-replay {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-warm-white);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.mast-replay:hover {
  background: rgba(57,255,20,0.12);
  border-color: var(--c-neon);
  color: var(--c-neon);
}

.mast-replay__arrow {
  opacity: 0.7;
}

/* Brand lockup */
.brand-lockup {
  grid-column: 2;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--c-warm-white);
}

.brand-mark {
  width: 10px;
  height: 10px;
  margin-bottom: 6px;
  background: var(--c-neon);
  flex: none;
}

.brand-name {
  position: relative;
  display: inline-block;
  isolation: isolate;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--c-warm-white);
}

.brand-name::after {
  content: '';
  position: absolute;
  left: -0.04em;
  right: -0.04em;
  bottom: 0.04em;
  height: 0.42em;
  background: linear-gradient(90deg, rgba(255,111,97,0.75), rgba(255,193,7,0.65));
  transform: rotate(-1.5deg);
  z-index: -1;
  pointer-events: none;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-peacock);
  margin-top: 6px;
}

/* Navigation */
.site-nav {
  position: relative;
  background: linear-gradient(rgba(30,30,30,0.28), rgba(30,30,30,0.28)), var(--c-peacock);
  border-top: 2px solid rgba(30,30,30,0.35);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  position: relative;
}

.nav-toggle {
  display: none;
  appearance: none;
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  color: #fff;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  margin-left: -16px;
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  position: relative;
  transition: background 0.15s ease;
}

.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: #fff;
  transition: transform 0.15s ease, top 0.15s ease;
}

.nav-toggle__bar::before {
  top: -6px;
}

.nav-toggle__bar::after {
  top: 6px;
}

.nav-toggle.is-active .nav-toggle__bar {
  background: transparent;
}

.nav-toggle.is-active .nav-toggle__bar::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle.is-active .nav-toggle__bar::after {
  transform: rotate(-45deg);
  top: 0;
}

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

.nav-item {
  margin: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  color: #fff;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.nav-link:hover {
  background: rgba(30,30,30,0.12);
  border-bottom-color: var(--c-neon);
}

.nav-link[aria-current="page"] {
  background: var(--c-charcoal);
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

.nav-link__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  opacity: 0.75;
  letter-spacing: 0.04em;
}

.nav-link[aria-current="page"] .nav-link__num {
  opacity: 1;
}

/* ========== Site Footer ========== */
.site-footer {
  background: var(--c-charcoal);
  color: var(--c-warm-white);
}

.footer-strip {
  height: 6px;
  background: linear-gradient(90deg,
    var(--c-neon) 0%,
    var(--c-neon) 16.6%,
    var(--c-violet) 16.6%,
    var(--c-violet) 33.2%,
    var(--c-teal) 33.2%,
    var(--c-teal) 49.8%,
    var(--c-coral) 49.8%,
    var(--c-coral) 66.4%,
    var(--c-amber) 66.4%,
    var(--c-amber) 83%,
    var(--c-peacock) 83%,
    var(--c-peacock) 100%
  );
}

.site-footer .container {
  padding-top: 40px;
  padding-bottom: 24px;
}

.footer-mast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,248,240,0.14);
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-brand .brand-name {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.footer-brand .brand-sub {
  font-size: 0.75rem;
  color: var(--c-peacock);
  margin-top: 4px;
}

.footer-tag {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: rgba(255,248,240,0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding-bottom: 32px;
}

.footer-col-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-peacock);
  margin-bottom: 12px;
}

.footer-col-title__num {
  color: var(--c-neon);
  font-size: 0.6875rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--c-warm-white);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--c-neon);
}

.contact-line {
  margin: 0 0 6px;
  font-size: 0.875rem;
  color: var(--c-warm-white);
  word-break: break-all;
}

.contact-line .mono {
  display: inline-block;
  min-width: 32px;
  color: var(--c-amber);
  font-size: 0.75rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-top: 1px solid rgba(255,248,240,0.14);
  padding-top: 16px;
  font-size: 0.8125rem;
}

.footer-copy {
  margin: 0;
  color: rgba(255,248,240,0.65);
}

.footer-code {
  margin: 0;
  color: rgba(255,248,240,0.4);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
}

/* ========== Panels & Bands ========== */
.panel {
  background: #fff;
  border: 1px solid rgba(45,45,45,0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.panel--flush {
  padding: 0;
}

.section-band {
  padding: 48px 0;
}

.section-band--peacock {
  background: var(--c-peacock);
  color: var(--c-charcoal);
}

.section-band--peacock a {
  color: var(--c-charcoal);
}

.section-band--amber {
  background: var(--c-amber);
  color: var(--c-charcoal);
}

.section-band--amber a {
  color: var(--c-charcoal);
}

.section-band--charcoal {
  background: var(--c-charcoal);
  color: var(--c-warm-white);
}

.section-band--charcoal a {
  color: var(--c-neon);
}

.section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--c-charcoal);
}

.section-head__idx {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  padding: 2px 6px;
  background: rgba(0,165,207,0.10);
  color: var(--c-peacock);
}

.section-head__title {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.15;
}

.section-head__meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(45,45,45,0.6);
}

/* ========== Buttons ========== */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--c-charcoal);
  color: var(--c-warm-white);
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--neon {
  background: var(--c-neon);
  color: var(--c-charcoal);
  border-color: var(--c-neon);
}

.btn--peacock {
  background: var(--c-peacock);
  color: var(--c-charcoal);
  border-color: var(--c-peacock);
}

.btn--outline {
  background: transparent;
  border-color: currentColor;
}

/* ========== Card Grid & Cards ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.card-grid--compact {
  gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.card-grid--stagger .card:nth-child(3n+2) {
  translate: 0 16px;
}

@media (max-width: 768px) {
  .card-grid--stagger .card:nth-child(3n+2) {
    translate: 0 0;
  }
}

.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(45,45,45,0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card--coral {
  background: var(--c-coral);
  color: var(--c-charcoal);
  border-color: transparent;
}

.card--teal {
  background: var(--c-teal);
  color: var(--c-charcoal);
  border-color: transparent;
}

.card--violet {
  background: var(--c-violet);
  color: var(--c-warm-white);
  border-color: transparent;
}

.card--coral .card__meta,
.card--teal .card__meta {
  color: rgba(45,45,45,0.72);
}

.card--violet .card__meta {
  color: rgba(255,248,240,0.72);
}

.card__title {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.375rem;
  line-height: 1.2;
}

.card--violet .card__title {
  color: #fff;
}

.card__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: rgba(45,45,45,0.65);
}

.card__body {
  font-size: 0.875rem;
  line-height: 1.55;
}

.card__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.card a {
  color: inherit;
}

.card__link {
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 1px;
}

/* ========== Tiles ========== */
.tile-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px;
}

.tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--c-warm-white);
  border: 1px solid rgba(45,45,45,0.10);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--c-ink);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.tile:hover {
  border-color: var(--c-peacock);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,165,207,0.12);
}

.tile--peacock {
  background: linear-gradient(160deg, rgba(30,30,30,0.25), rgba(30,30,30,0.05)), var(--c-peacock);
  color: #fff;
  border-color: transparent;
}

.tile--amber {
  background: var(--c-amber);
  color: var(--c-charcoal);
  border-color: transparent;
}

.tile--teal {
  background: var(--c-teal);
  color: var(--c-charcoal);
  border-color: transparent;
}

.tile--violet {
  background: var(--c-violet);
  color: #fff;
  border-color: transparent;
}

.tile__name {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.125rem;
  line-height: 1.2;
}

.tile__meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  opacity: 0.8;
}

/* ========== Tags, Badges, Status ========== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 2px;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  background: rgba(45,45,45,0.05);
  color: var(--c-ink);
  border: 1px solid rgba(45,45,45,0.08);
  transition: border-color 0.15s ease;
}

a.tag:hover {
  border-color: currentColor;
}

.tag--peacock { background: rgba(0,165,207,0.12); color: #006D8A; border-color: rgba(0,165,207,0.22); }
.tag--amber   { background: rgba(255,193,7,0.16); color: #7A5A00; border-color: rgba(255,193,7,0.30); }
.tag--coral   { background: rgba(255,111,97,0.12); color: #B33A22; border-color: rgba(255,111,97,0.25); }
.tag--teal    { background: rgba(32,178,170,0.12); color: #0B5B57; border-color: rgba(32,178,170,0.25); }
.tag--violet  { background: rgba(155,89,182,0.12); color: #62318A; border-color: rgba(155,89,182,0.25); }
.tag--neon    { background: rgba(57,255,20,0.14); color: #1F5A00; border-color: rgba(57,255,20,0.35); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--c-charcoal);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 2px;
  letter-spacing: 0.05em;
}

.badge--neon {
  background: var(--c-neon);
  color: var(--c-charcoal);
}

.badge--peacock {
  background: var(--c-peacock);
  color: var(--c-charcoal);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.7;
  background: rgba(45,45,45,0.06);
  color: var(--c-ink);
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.status-badge--success  { background: var(--c-success); color: var(--c-charcoal); }
.status-badge--buffer   { background: var(--c-buffer); color: var(--c-charcoal); }
.status-badge--error    { background: var(--c-error); color: #fff; }
.status-badge--live     { background: var(--c-coral); color: var(--c-charcoal); }
.status-badge--archive  { background: var(--c-peacock); color: var(--c-charcoal); }

.grad-label {
  display: inline-block;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  border-radius: 2px;
  background:
    linear-gradient(rgba(30,30,30,0.40), rgba(30,30,30,0.40)),
    linear-gradient(90deg, var(--c-coral), var(--c-violet), var(--c-peacock));
}

.grad-label--teal {
  background:
    linear-gradient(rgba(30,30,30,0.40), rgba(30,30,30,0.40)),
    linear-gradient(90deg, var(--c-teal), var(--c-peacock), var(--c-violet));
}

.grad-label--amber {
  background:
    linear-gradient(rgba(30,30,30,0.35), rgba(30,30,30,0.35)),
    linear-gradient(90deg, var(--c-amber), var(--c-coral), var(--c-violet));
  color: #fff;
}

/* ========== Index & Metric ========== */
.index-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-charcoal);
  color: var(--c-neon);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1;
  flex: none;
}

.index-num--peacock {
  background: var(--c-peacock);
  color: #fff;
}

.index-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding: 8px 16px;
  background: var(--c-amber);
  color: var(--c-charcoal);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.index-bar__key {
  display: inline-block;
  padding: 0 8px;
  background: var(--c-charcoal);
  color: var(--c-neon);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.8;
}

.metric-bar {
  height: 6px;
  background: rgba(45,45,45,0.10);
  border-radius: 3px;
  overflow: hidden;
}

.metric-bar__fill {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--c-peacock), var(--c-teal));
}

.metric-bar--coral .metric-bar__fill {
  background: linear-gradient(90deg, var(--c-coral), var(--c-amber));
}

.metric-bar--violet .metric-bar__fill {
  background: linear-gradient(90deg, var(--c-violet), var(--c-coral));
}

/* ========== List & Table ========== */
.list-stack {
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--c-charcoal);
}

.list-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px 8px;
  border-bottom: 1px solid rgba(45,45,45,0.10);
  text-decoration: none;
  color: var(--c-ink);
  transition: background 0.15s ease;
}

.list-row:hover {
  background: rgba(0,165,207,0.06);
}

.list-row__title {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.4;
}

.list-row__sub {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: rgba(45,45,45,0.6);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.875rem;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  background: var(--c-charcoal);
  color: var(--c-warm-white);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(45,45,45,0.10);
  vertical-align: top;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.data-table--banded tbody tr:nth-child(even) {
  background: rgba(45,45,45,0.02);
}

/* ========== Rail ========== */
.rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 12px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.rail > * {
  flex: 0 0 auto;
  width: clamp(220px, 55vw, 320px);
  scroll-snap-align: start;
}

/* ========== Breadcrumb ========== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb li + li::before {
  content: '/';
  opacity: 0.4;
  margin-right: 6px;
}

.breadcrumb a {
  color: var(--c-peacock);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--c-ink);
  font-weight: 700;
}

/* ========== Article Body ========== */
.article-body {
  max-width: 720px;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  font-family: var(--font-headline);
  font-weight: 900;
  line-height: 1.2;
}

.article-body h2 {
  font-size: 1.75rem;
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--c-charcoal);
}

.article-body h3 {
  font-size: 1.25rem;
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-body h4 {
  font-size: 1.0625rem;
  margin-top: 20px;
  margin-bottom: 8px;
}

.article-body p,
.article-body ul,
.article-body ol {
  margin: 0 0 16px;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
}

.article-body blockquote {
  margin: 20px 0;
  padding: 12px 20px;
  border-left: 4px solid var(--c-amber);
  background: rgba(255,193,7,0.08);
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(45,45,45,0.06);
  padding: 2px 4px;
  border-radius: 2px;
}

/* ========== Figure ========== */
.figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0,165,207,0.85), rgba(32,178,170,0.75)), var(--c-peacock);
  color: #fff;
}

.figure::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.05) 0,
    rgba(255,255,255,0.05) 1px,
    transparent 1px,
    transparent 4px
  );
  pointer-events: none;
}

.figure[data-variant="grid"] {
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.10) 0, rgba(255,255,255,0.10) 1px, transparent 1px, transparent 32px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.10) 0, rgba(255,255,255,0.10) 1px, transparent 1px, transparent 32px),
    linear-gradient(135deg, var(--c-charcoal), var(--c-peacock));
}

.figure[data-variant="ledger"] {
  background:
    linear-gradient(120deg, transparent 40%, rgba(255,193,7,0.5) 40%, rgba(255,193,7,0.5) 42%, transparent 42%),
    linear-gradient(135deg, var(--c-charcoal), var(--c-peacock));
}

.figure[data-variant="signal"] {
  background:
    radial-gradient(circle at 30% 40%, rgba(255,255,255,0.25) 0, transparent 30%),
    radial-gradient(circle at 70% 60%, rgba(57,255,20,0.30) 0, transparent 35%),
    linear-gradient(135deg, var(--c-charcoal), var(--c-violet));
}

.figure__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 4px 10px;
  background: rgba(30,30,30,0.72);
  color: var(--c-warm-white);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  z-index: 1;
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mast-ticker {
    height: 4px;
  }

  .header-mast {
    gap: 8px;
    padding: 16px 0 14px;
  }

  .mast-aside--left {
    display: none;
  }

  .mast-aside--right {
    font-size: 0.6875rem;
  }

  .brand-name {
    font-size: clamp(2.25rem, 9vw, 3.25rem);
  }

  .brand-sub {
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
  }

  .site-nav {
    border-top-width: 1px;
  }

  .nav-wrap {
    justify-content: space-between;
    min-height: 52px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--c-peacock);
    border-top: 2px solid rgba(30,30,30,0.35);
    box-shadow: 0 20px 32px rgba(30,30,30,0.25);
    z-index: 40;
  }

  .site-nav[data-open] .nav-list {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.14);
    border-radius: 0;
  }

  .nav-link:hover {
    border-bottom-color: rgba(255,255,255,0.14);
    background: rgba(30,30,30,0.18);
  }

  .nav-link[aria-current="page"] {
    border-bottom-color: rgba(30,30,30,0.35);
  }

  .nav-link__num {
    order: -1;
  }
}

@media (max-width: 480px) {
  .mast-aside--right {
    display: none;
  }

  .header-mast {
    grid-template-columns: 1fr;
  }

  .brand-lockup {
    grid-column: 1;
    justify-self: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card-grid,
  .card-grid--compact {
    grid-template-columns: 1fr;
  }

  .tile-matrix {
    grid-template-columns: repeat(2, 1fr);
  }

  .list-row {
    grid-template-columns: 32px 1fr;
    gap: 10px;
  }

  .list-row > .status-badge,
  .list-row > .index-bar {
    grid-column: 2;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  .card:hover,
  .tile:hover,
  .btn:hover,
  .card-grid--stagger .card:nth-child(3n+2) {
    translate: 0 0;
    transform: none;
  }

  .skip-link {
    transition: none;
  }
}