:root {
  --bg: #111315;
  --bg-soft: #171b1f;
  --panel: rgba(18, 22, 25, 0.82);
  --panel-strong: #15191d;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #eef2f4;
  --muted: #a0abb3;
  --accent: #ff8b4d;
  --accent-2: #ffbe7d;
  --cold: #6db3d8;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.28);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1240px;
  --content-pad: clamp(1.1rem, 2vw, 1.6rem);
  --section-gap: clamp(1.35rem, 2.4vw, 2rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(255, 139, 77, 0.18), transparent 28%),
    radial-gradient(circle at 80% 18%, rgba(109, 179, 216, 0.14), transparent 24%),
    linear-gradient(180deg, #0f1113 0%, #15191d 48%, #0d0f11 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.15;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.15' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

.site-shell {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding-bottom: 2.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(12, 14, 16, 0.82);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand img {
  width: 44px;
  height: 44px;
}

.brand span {
  display: grid;
  gap: 0.08rem;
}

.brand strong,
h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
}

.brand strong {
  font-size: 0.98rem;
  letter-spacing: 0.04em;
}

.brand em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.8rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.3rem;
}

.site-header-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.8rem;
  margin-left: auto;
  min-width: 0;
}

.locale-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.locale-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.2rem;
  padding: 0.62rem 0.9rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 180ms ease, background-color 180ms ease;
}

.locale-switch a:hover,
.locale-switch a:focus-visible,
.locale-switch a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.site-nav a {
  padding: 0.72rem 1rem;
  color: var(--muted);
  border-radius: 999px;
  transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
  min-width: 0;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  color: var(--text);
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: currentColor;
}

main {
  display: grid;
  gap: var(--section-gap);
  padding-top: 1.35rem;
}

.hero,
.section,
.site-footer {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero::after,
.section::after,
.site-footer::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 24%);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.2rem, 2.4vw, 2rem);
  padding: clamp(1.4rem, 4vw, 3rem);
  min-height: 560px;
  align-items: stretch;
}

.compact-hero {
  min-height: auto;
}

.hero-home {
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  min-height: 500px;
}

.hero-home .hero-copy {
  gap: 1rem;
  align-content: center;
  justify-content: center;
  padding: clamp(0.2rem, 1vw, 0.6rem) 0;
}

.hero-home h1 {
  font-size: clamp(2.15rem, 4.2vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 14ch;
  color: #f2ddd0;
  text-wrap: balance;
}

.hero-home .lead {
  max-width: 56ch;
  font-size: 1.02rem;
  color: #bac4ca;
}

.hero-home .hero-actions {
  margin-top: 0.25rem;
}

.hero-home .signal-strip {
  margin-top: 0.35rem;
}

.hero-home .analytics-panel {
  padding: 1.35rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.025);
}

.hero-home .metric-cluster article {
  grid-template-columns: minmax(72px, 88px) minmax(0, 1fr);
  align-items: start;
  column-gap: 0.9rem;
  row-gap: 0.18rem;
}

.hero-home .metric-cluster span,
.hero-home .metric-cluster strong,
.hero-home .metric-cluster em {
  display: block;
}

.hero-home .metric-cluster span {
  grid-row: 1 / span 2;
}

.hero-home .metric-cluster strong {
  font-size: 1.14rem;
}

.hero-home .micro-chart {
  min-height: 170px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.4rem;
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  max-width: 12ch;
}

.compact-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.3rem);
  max-width: 14ch;
}

.lead,
.section-copy p,
.story-card p,
.band-grid p,
.mosaic-card p,
.analysis-grid p,
.narrative-columns p,
.terms-grid p,
.timeline-grid p,
.contact-list p,
.business-note p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
  max-width: 68ch;
}

.hero-actions,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #141414;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
}

.button-secondary {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
}

.signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.signal-strip li,
.chart-toolbar button,
.widget-card-copy span {
  padding: 0.72rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

.signal-strip li {
  backdrop-filter: blur(8px);
}

.analytics-panel,
.info-stack,
.integration-status,
.contact-panel,
.contact-form,
.widget-card,
.alpha-viewer-card,
.chart-stage,
.code-block,
.terms-grid article,
.timeline-grid article,
.analysis-grid article,
.story-card,
.mosaic-card,
.band-grid article {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-lg) - 6px);
  position: relative;
  overflow: hidden;
}

.analytics-panel::before,
.info-stack::before,
.integration-status::before,
.contact-panel::before,
.contact-form::before,
.widget-card::before,
.alpha-viewer-card::before,
.chart-stage::before,
.code-block::before,
.terms-grid article::before,
.timeline-grid article::before,
.analysis-grid article::before,
.story-card::before,
.mosaic-card::before,
.band-grid article::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 190, 125, 0.55), rgba(109, 179, 216, 0.1) 70%, transparent);
  pointer-events: none;
}

.analytics-panel,
.info-stack {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
  align-content: start;
}

.panel-header,
.metric-cluster article,
.info-stack article {
  display: grid;
  gap: 0.35rem;
}

.panel-header span,
.metric-cluster span,
.info-stack span,
.contact-list span,
.site-footer span,
.chart-stage-copy span,
.placeholder-note span {
  color: var(--muted);
  font-size: 0.84rem;
}

.panel-header strong,
.metric-cluster strong,
.info-stack strong,
.chart-stage-copy strong,
.placeholder-note strong,
.widget-card h3,
.contact-panel h2,
.contact-form button {
  font-size: 1.05rem;
}

.metric-cluster {
  display: grid;
  gap: 0.9rem;
}

.metric-cluster article,
.info-stack article {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.16);
}

.hero-panel {
  height: 100%;
}

.metric-cluster em {
  font-style: normal;
  color: var(--muted);
  line-height: 1.5;
}

.micro-chart {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(0, 0, 0, 0.12));
}

.micro-chart svg {
  width: 100%;
  height: auto;
}

.micro-chart path {
  fill: none;
  stroke: url(#homeLine);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.micro-chart .glow {
  opacity: 0.2;
  stroke-width: 13;
}

.section {
  padding: clamp(1.25rem, 3vw, 2.2rem);
}

.split-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 1.4rem;
}

body[data-page="home"] .split-section {
  grid-template-columns: 1fr;
  align-items: start;
  gap: 1.1rem;
}

body[data-page="home"] .split-section .section-copy {
  max-width: 56rem;
}

body[data-page="home"] .split-section .story-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

body[data-page="home"] .story-grid > .accent-card,
body[data-page="home"] .story-grid > .photo-card,
body[data-page="home"] .story-grid > .dark-card {
  grid-column: auto;
  grid-row: auto;
}

body[data-page="home"] .split-section .story-card {
  min-height: 100%;
}

body[data-page="home"] .split-section .photo-card {
  min-height: 280px;
}

body[data-page="home"] .split-section .photo-card img {
  min-height: 280px;
}

body[data-page="home"] .platform-band {
  display: grid;
  gap: 1rem;
}

body[data-page="home"] .platform-band .section-copy {
  max-width: 44rem;
}

body[data-page="home"] .platform-band .band-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0;
}

body[data-page="home"] .platform-band .band-grid article {
  min-height: 100%;
  display: grid;
  align-content: start;
  gap: 0.65rem;
}

body[data-page="home"] .mosaic-section {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

body[data-page="home"] .mosaic-intro {
  grid-column: 1 / -1;
  padding: 0 0 0.15rem;
  border: 0;
  background: transparent;
  display: grid;
  gap: 0.8rem;
}

body[data-page="home"] .mosaic-intro::before {
  display: none;
}

body[data-page="home"] .mosaic-intro h2 {
  max-width: none;
  font-size: clamp(1.55rem, 2.45vw, 2.35rem);
}

body[data-page="home"] .mosaic-home-title-en {
  display: grid;
  gap: 0.12em;
  max-width: 26ch;
  line-height: 1.02;
  text-wrap: pretty;
}

body[data-page="home"] .mosaic-home-title-en span {
  display: block;
}

body[data-page="home"] .mosaic-card {
  min-height: 100%;
}

body[data-page="home"] .illustration-card {
  align-content: start;
  gap: 1rem;
}

.section-copy {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.section-copy h2,
.story-card h3,
.band-grid h3,
.mosaic-card h3,
.analysis-grid h2,
.code-section h2,
.timeline-grid h3,
.terms-grid h2,
.business-note h3 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.section-copy.narrow,
.chart-copy {
  max-width: 48rem;
}

.timeline-title {
  margin: 0;
}

.timeline-title-en {
  display: grid;
  gap: 0.08em;
  max-width: 24ch;
  text-wrap: pretty;
}

.timeline-title-en span {
  display: block;
}

.timeline-title-zh {
  max-width: none;
  white-space: nowrap;
  font-size: clamp(1.42rem, 2.2vw, 2.05rem);
  letter-spacing: -0.035em;
}

.story-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.story-grid.single-column {
  grid-template-columns: 1fr;
}

.story-card {
  padding: 1.25rem;
  min-height: 220px;
  display: grid;
  align-content: start;
  gap: 0.7rem;
}

.story-grid > .accent-card {
  grid-column: span 5;
}

.story-grid > .photo-card {
  grid-column: span 7;
  grid-row: span 2;
}

.story-grid > .dark-card {
  grid-column: span 5;
}

.accent-card {
  background: linear-gradient(135deg, rgba(255, 139, 77, 0.18), rgba(255, 190, 125, 0.08));
}

.dark-card {
  background: linear-gradient(180deg, rgba(109, 179, 216, 0.08), rgba(255, 255, 255, 0.02));
}

.photo-card {
  overflow: hidden;
  padding: 0;
  min-height: 100%;
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.platform-band .band-grid,
.timeline-grid,
.terms-grid,
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.band-grid article,
.timeline-grid article,
.terms-grid article,
.analysis-grid article {
  padding: 1.2rem;
}

.band-grid span,
.timeline-grid span {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 139, 77, 0.12);
  color: var(--accent-2);
  margin-bottom: 1rem;
}

.mosaic-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 1rem;
}

body[data-page="home"] .mosaic-section {
  grid-template-columns: minmax(0, 1.15fr) repeat(2, minmax(220px, 0.85fr));
  align-items: stretch;
}

.mosaic-intro,
.mosaic-card {
  padding: 1.25rem;
}

.mosaic-intro {
  display: grid;
  align-content: space-between;
}

.mosaic-intro h2 {
  max-width: 12ch;
}

body[data-page="home"][data-locale="zh"] .mosaic-intro h2 {
  white-space: nowrap;
  font-size: clamp(1.3rem, 1.95vw, 1.85rem);
  letter-spacing: -0.035em;
}

body[data-page="home"][data-locale="en"] .mosaic-intro h2 {
  white-space: normal;
}

.illustration-card {
  display: grid;
  align-content: space-between;
}

.illustration-card img {
  width: 96px;
  opacity: 0.9;
}

.chart-lab {
  display: grid;
  gap: 1.15rem;
}

.symbol-search-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-lg) - 6px);
  background: rgba(255, 255, 255, 0.03);
  align-items: start;
}

.search-panel-copy {
  display: grid;
  gap: 0.4rem;
  align-content: start;
}

.search-panel-copy p {
  max-width: 46ch;
}

.search-panel-copy span,
.search-feedback,
.search-result-card span,
.search-result-card em,
.search-result-empty,
.widget-unavailable {
  color: var(--muted);
}

.symbol-search-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px auto;
  gap: 0.8rem;
}

.search-feedback,
.search-results {
  grid-column: 1 / -1;
}

.search-input-wrap,
.search-select-wrap {
  display: block;
}

.symbol-search-form input,
.symbol-search-form select {
  width: 100%;
  min-height: 50px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.16);
}

.search-feedback {
  font-size: 0.92rem;
}

.search-results {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.search-result-card {
  display: grid;
  gap: 0.4rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.16);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.search-result-card em {
  font-style: normal;
  font-size: 0.84rem;
}

.search-result-card:hover,
.search-result-card:focus-visible {
  border-color: rgba(255, 139, 77, 0.35);
  background: rgba(255, 139, 77, 0.08);
}

.search-result-empty,
.widget-unavailable {
  padding: 1rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.12);
}

.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;
}

.chart-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding: 0.2rem 0;
}

.chart-toolbar button {
  cursor: pointer;
  color: var(--text);
}

.chart-toolbar button.is-active {
  border-color: rgba(255, 139, 77, 0.4);
  background: rgba(255, 139, 77, 0.12);
}

.symbol-button--dynamic {
  border-style: dashed;
}

.chart-stage,
.widget-card {
  padding: 1.1rem;
}

.alpha-viewer-card {
  display: grid;
  gap: 1rem;
  padding: 1.1rem;
}

.viewer-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.provider-pill {
  padding: 0.85rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(109, 179, 216, 0.2);
  background: rgba(109, 179, 216, 0.08);
  color: var(--text);
}

.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.snapshot-grid article {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.16);
}

.snapshot-grid span,
.snapshot-table th {
  color: var(--muted);
  font-size: 0.84rem;
}

.snapshot-table-shell {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.16);
}

.snapshot-table {
  width: 100%;
  border-collapse: collapse;
}

.snapshot-table th,
.snapshot-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

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

.chart-stage {
  display: grid;
  grid-template-columns: minmax(280px, 0.4fr) minmax(0, 0.6fr);
  gap: 1.1rem;
  align-items: stretch;
}

.chart-stage-copy {
  display: grid;
  gap: 0.8rem;
  align-content: start;
  min-width: 0;
}

.chart-stage-copy p,
.widget-card p,
.placeholder-note {
  color: var(--muted);
  line-height: 1.68;
}

.integration-status {
  display: grid;
  gap: 0.4rem;
  padding: 1rem;
  border-radius: var(--radius-md);
}

.integration-status[data-state="ready"] {
  border-color: rgba(109, 179, 216, 0.35);
  background: rgba(109, 179, 216, 0.08);
}

.integration-status[data-state="loading"] {
  border-color: rgba(255, 190, 125, 0.35);
  background: rgba(255, 190, 125, 0.08);
}

.chart-shell,
.widget-shell {
  position: relative;
  min-height: 420px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(7, 11, 15, 0.95), rgba(13, 15, 18, 0.9));
  border: 1px solid var(--line);
}

.chart-placeholder {
  position: relative;
  height: 100%;
  min-height: 420px;
}

.licensed-chart-host {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: none;
}

.chart-shell.chart-shell--licensed .licensed-chart-host {
  display: block;
}

.chart-shell.chart-shell--licensed .chart-placeholder {
  display: none;
}

.placeholder-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 100% 20%, 12% 100%;
}

.chart-placeholder svg,
.widget-target,
.widget-target > div {
  width: 100%;
  height: 100%;
}

.chart-placeholder svg {
  position: absolute;
  inset: 0;
}

#placeholder-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#placeholder-area {
  fill: rgba(255, 139, 77, 0.15);
}

.placeholder-note {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(10, 12, 14, 0.84);
  border: 1px solid var(--line);
}

.widget-card {
  display: grid;
  grid-template-columns: minmax(240px, 0.34fr) minmax(0, 0.66fr);
  gap: 1rem;
  align-items: stretch;
}

.widget-card-copy {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

.narrative-columns,
.contact-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.code-block {
  margin: 1.5rem 0 0;
  padding: 1.15rem;
  overflow-x: auto;
  font-family: "IBM Plex Sans", sans-serif;
  color: #d7e0e6;
  background: rgba(7, 11, 15, 0.82);
}

.code-block code {
  font-family: "IBM Plex Sans", sans-serif;
  line-height: 1.8;
  white-space: pre;
}

.contact-panel,
.contact-form {
  padding: 1.25rem;
}

.contact-list {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.contact-list a {
  color: var(--text);
}

.business-note {
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.55rem;
}

.contact-form span {
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  color: var(--text);
  background: rgba(0, 0, 0, 0.16);
}

.contact-form textarea {
  resize: vertical;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 0.9fr;
  gap: 1rem;
  margin-top: 1.7rem;
  padding: 1.25rem;
  align-items: start;
}

.site-footer p,
.copyright {
  margin: 0.35rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.footer-links {
  align-content: start;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 420ms cubic-bezier(0.2, 0.7, 0.18, 1), transform 420ms cubic-bezier(0.2, 0.7, 0.18, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero,
  .split-section,
  .chart-stage,
  .widget-card,
  .mosaic-section,
  .narrative-columns,
  .contact-layout,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .story-grid {
    grid-template-columns: 1fr;
  }

  .hero-home {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .story-grid > .accent-card,
  .story-grid > .photo-card,
  .story-grid > .dark-card {
    grid-column: auto;
    grid-row: auto;
  }

  body[data-page="home"] .platform-band .band-grid,
  body[data-page="home"] .mosaic-section,
  body[data-page="home"] .split-section .story-grid {
    grid-template-columns: 1fr;
  }

  .symbol-search-panel {
    grid-template-columns: 1fr;
  }

  .symbol-search-form,
  .search-results {
    grid-template-columns: 1fr;
  }

  .snapshot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .platform-band .band-grid,
  .timeline-grid,
  .terms-grid,
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    border-radius: 26px;
    align-items: flex-start;
    padding: 0.95rem;
  }

  .site-header-tools {
    display: none;
    width: 100%;
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    width: 100%;
    padding-top: 0.5rem;
    flex-direction: column;
  }

  .locale-switch {
    align-self: flex-start;
  }

  .site-header.is-open .site-header-tools {
    display: flex;
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 1rem), var(--max));
  }

  .site-header,
  .hero,
  .section,
  .site-footer {
    border-radius: 22px;
  }

  .locale-switch {
    width: 100%;
  }

  .locale-switch a {
    flex: 1;
  }

  h1 {
    max-width: none;
  }

  .chart-shell,
  .widget-shell,
  .chart-placeholder {
    min-height: 320px;
  }

  .hero,
  .section,
  .site-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero {
    gap: 1.1rem;
  }

  .hero-home h1 {
    font-size: clamp(1.9rem, 8.2vw, 2.75rem);
    max-width: none;
  }

  .hero-home .lead {
    font-size: 0.98rem;
  }

  .signal-strip {
    gap: 0.55rem;
  }

  .signal-strip li,
  .chart-toolbar button,
  .widget-card-copy span {
    width: 100%;
    justify-content: center;
  }

  .snapshot-grid {
    grid-template-columns: 1fr;
  }
}