:root {
  --space-blue: #1f2a44;
  --indigo: #3e5e9a;
  --teal: #36b7a7;
  --magenta: #a22a6c;
  --white: #ffffff;
  --soft-bg: #f4f6f8;
  --text: #222222;
  --muted: #667085;
  --border: #e5e8ec;
  --shadow: 0 18px 40px rgba(31, 42, 68, 0.08);
  --shadow-strong: 0 24px 50px rgba(31, 42, 68, 0.14);
  --gradient: linear-gradient(135deg, #3e5e9a, #36b7a7 55%, #a22a6c);
  --gradient-soft: linear-gradient(140deg, rgba(62, 94, 154, 0.14), rgba(54, 183, 167, 0.1), rgba(162, 42, 108, 0.12));
  --font-sans: "Century Gothic", Arial, Helvetica, sans-serif;
  --radius: 24px;
  --radius-small: 14px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(54, 183, 167, 0.12), transparent 24%),
    radial-gradient(circle at bottom left, rgba(62, 94, 154, 0.08), transparent 28%),
    var(--white);
  line-height: 1.65;
}

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

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

button,
input,
select {
  font: inherit;
}

canvas {
  max-width: 100%;
}

.container {
  width: min(calc(100% - 60px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  transition: background-color 180ms ease, box-shadow 180ms ease, padding 180ms ease;
}

.site-header.is-scrolled {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 24px rgba(31, 42, 68, 0.08);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  flex-shrink: 0;
}

.brand-wordmark {
  width: 220px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  position: relative;
  color: var(--space-blue);
  font-size: 0.98rem;
  letter-spacing: 0.01em;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--teal);
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  color: var(--space-blue);
  border-radius: 999px;
  padding: 10px 16px;
}

.hero,
.page-hero {
  position: relative;
  overflow: clip;
}

.home-hero {
  padding: 72px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 48px;
  align-items: center;
}

.orbital {
  position: absolute;
  inset: auto auto 5% -6%;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  border: 1px solid rgba(62, 94, 154, 0.12);
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.85) 0 33%, transparent 33% 100%),
    conic-gradient(from 180deg, rgba(62, 94, 154, 0.18), rgba(54, 183, 167, 0.08), rgba(162, 42, 108, 0.16), rgba(62, 94, 154, 0.18));
}

.orbital::before,
.orbital::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  inset: 12%;
  border: 1px dashed rgba(31, 42, 68, 0.12);
}

.orbital::after {
  inset: 28%;
  border-style: solid;
  border-color: rgba(54, 183, 167, 0.18);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--indigo);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.eyebrow-dark {
  color: rgba(255, 255, 255, 0.72);
}

h1,
h2,
h3 {
  margin: 0 0 16px;
  color: var(--space-blue);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.8rem, 5vw, 4.25rem);
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3rem);
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
}

p {
  margin: 0 0 16px;
  max-width: 750px;
  color: var(--text);
}

.hero-text,
.page-hero p {
  font-size: 1.15rem;
  color: #3f4651;
}

.hero-actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: var(--white);
  background: var(--gradient);
  box-shadow: 0 16px 26px rgba(62, 94, 154, 0.2);
}

.button-secondary {
  color: var(--indigo);
  border: 1px solid rgba(62, 94, 154, 0.28);
  background: rgba(255, 255, 255, 0.82);
}

.text-link {
  color: var(--teal);
  font-weight: 600;
}

.text-link-light {
  color: rgba(255, 255, 255, 0.92);
}

.text-link-inline {
  color: var(--indigo);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 36px 0 0;
}

.hero-metrics div {
  padding: 18px 20px;
  border: 1px solid rgba(229, 232, 236, 0.8);
  border-radius: var(--radius-small);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow);
}

.hero-metrics dt {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-metrics dd {
  margin: 0;
  color: var(--space-blue);
  font-weight: 600;
}

.hero-panel {
  display: grid;
  gap: 20px;
}

.panel-card,
.content-card,
.feature-card,
.essay-card,
.tool-surface,
.tool-card,
.case-panel,
.detail-card,
.service-card,
.timeline-card {
  border: 1px solid rgba(229, 232, 236, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 28px;
}

.panel-large {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 246, 248, 0.96)),
    var(--white);
}

.panel-small {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 150px;
}

.panel-label,
.card-kicker,
.tool-chip,
.page-badge {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(62, 94, 154, 0.1);
  color: var(--indigo);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mini-chart {
  position: relative;
  height: 150px;
  margin: 24px 0;
  border-radius: 18px;
  background:
    linear-gradient(rgba(229, 232, 236, 0.65) 1px, transparent 1px),
    linear-gradient(90deg, rgba(229, 232, 236, 0.65) 1px, transparent 1px);
  background-size: 100% 32px, 48px 100%;
}

.mini-chart .line {
  position: absolute;
  left: 8%;
  right: 8%;
  height: 2px;
  border-radius: 999px;
  transform-origin: left;
}

.line-one {
  top: 70%;
  background: var(--teal);
  transform: rotate(-14deg);
}

.line-two {
  top: 58%;
  background: var(--indigo);
  transform: rotate(-6deg);
}

.line-three {
  top: 36%;
  background: var(--magenta);
  transform: rotate(10deg);
}

.line-four {
  top: 20%;
  background: linear-gradient(90deg, var(--space-blue), var(--magenta));
  transform: rotate(18deg);
}

.section {
  padding: 92px 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(244, 246, 248, 0.76), rgba(255, 255, 255, 0.9));
}

.section-dark {
  background:
    radial-gradient(circle at top left, rgba(54, 183, 167, 0.18), transparent 34%),
    linear-gradient(135deg, #18243d, #1f2a44 45%, #24365d);
}

.section-dark h2,
.section-dark p {
  color: var(--white);
}

.section-heading {
  margin-bottom: 36px;
}

.feature-grid,
.card-grid,
.footer-grid,
.story-grid,
.service-grid,
.project-grid,
.timeline-grid,
.detail-grid {
  display: grid;
  gap: 24px;
}

.feature-grid,
.card-grid,
.story-grid,
.service-grid,
.project-grid,
.timeline-grid,
.detail-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.content-card,
.essay-card,
.detail-card,
.service-card,
.project-card,
.timeline-card {
  padding: 28px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.feature-card:hover,
.content-card:hover,
.essay-card:hover,
.detail-card:hover,
.service-card:hover,
.project-card:hover,
.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
}

.project-card {
  overflow: hidden;
  padding: 0;
}

.project-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.project-card-body {
  padding: 24px 24px 26px;
}

.project-card-body p:last-child {
  margin-bottom: 0;
}

.project-card .ranking-list {
  margin-top: 12px;
}

.project-card .ranking-item {
  align-items: baseline;
}

.project-card .text-link {
  display: inline-flex;
  margin-top: 12px;
}

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

.project-section-note {
  max-width: 860px;
}

.feature-icon {
  width: 60px;
  margin-bottom: 20px;
}

.ring-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  border-radius: 50%;
  border: 2px solid rgba(62, 94, 154, 0.34);
  box-shadow: inset 0 0 0 10px rgba(54, 183, 167, 0.1);
}

.axis-icon {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
  gap: 8px;
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
}

.axis-icon span {
  border-radius: 999px 999px 6px 6px;
  background: var(--gradient);
}

.axis-icon span:nth-child(1) {
  height: 45%;
}

.axis-icon span:nth-child(2) {
  height: 75%;
}

.axis-icon span:nth-child(3) {
  height: 100%;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.stack {
  display: grid;
  gap: 20px;
}

.essay-meta {
  color: var(--teal);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dark-copy {
  color: rgba(255, 255, 255, 0.82);
}

.case-panel {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}

.case-stat {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.case-stat:last-of-type {
  border-bottom: 0;
}

.case-stat span {
  color: var(--white);
  font-size: 2rem;
  font-weight: 600;
}

.site-footer {
  background: var(--space-blue);
  color: rgba(255, 255, 255, 0.78);
  padding: 72px 0 48px;
}

.site-footer h3 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: 1.05rem;
}

.site-footer a,
.site-footer p {
  display: block;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.78);
}

.footer-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.footer-mark {
  width: 72px;
  margin-bottom: 18px;
}

.footer-copy {
  max-width: 320px;
  color: rgba(255, 255, 255, 0.82);
}

.page-hero {
  padding: 72px 0 40px;
}

.page-shell {
  display: grid;
  gap: 24px;
}

.page-intro {
  max-width: 760px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 0.92rem;
}

.breadcrumb a {
  color: var(--indigo);
}

.breadcrumb span[aria-current="page"] {
  color: var(--space-blue);
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: start;
}

.tool-surface,
.tool-card {
  padding: 28px;
}

.tool-form {
  display: grid;
  gap: 20px;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field-group {
  display: grid;
  gap: 8px;
}

.field-group label {
  color: var(--space-blue);
  font-size: 0.92rem;
  font-weight: 600;
}

.field-group input,
.field-group select {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  color: var(--space-blue);
}

.field-group textarea {
  width: 100%;
  min-height: 120px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  color: var(--space-blue);
  resize: vertical;
}

.range-field {
  gap: 10px;
}

.range-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.range-value {
  color: var(--teal);
  font-weight: 600;
}

.field-group input[type="range"] {
  padding: 0;
  min-height: 0;
  border: 0;
  accent-color: var(--teal);
}

.muted-copy,
.helper-text {
  color: var(--muted);
}

.stat-grid,
.result-grid,
.comparison-list,
.ranking-list,
.info-list {
  display: grid;
  gap: 14px;
}

.stat-grid,
.result-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat,
.result-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(244, 246, 248, 0.85), rgba(255, 255, 255, 0.95));
}

.stat strong,
.result-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--space-blue);
  font-size: 1.55rem;
  line-height: 1;
}

.comparison-list,
.ranking-list {
  margin-top: 18px;
}

.comparison-item,
.ranking-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.comparison-item:last-child,
.ranking-item:last-child {
  border-bottom: 0;
}

.chart-shell {
  min-height: 360px;
}

.chart-shell.chart-shell-small {
  min-height: 280px;
}

.copy-shell {
  margin-top: 20px;
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(244, 246, 248, 0.9), rgba(255, 255, 255, 0.96));
  border: 1px solid var(--border);
}

.copy-output {
  width: 100%;
  min-height: 110px;
  margin: 12px 0 0;
  padding: 14px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--white);
  color: var(--space-blue);
}

.copy-feedback {
  margin-top: 10px;
  color: var(--teal);
  font-size: 0.92rem;
  font-weight: 600;
}

.consent-banner {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 200;
  width: min(520px, calc(100% - 32px));
  padding: 20px;
  border: 1px solid rgba(229, 232, 236, 0.9);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-strong);
}

.consent-banner__inner {
  display: grid;
  gap: 16px;
}

.consent-banner strong {
  color: var(--space-blue);
}

.consent-banner p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.consent-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button-tertiary {
  color: var(--space-blue);
  border: 1px solid var(--border);
  background: var(--white);
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 28px;
  align-items: start;
}

.article-content,
.article-aside,
.faq-card,
.notice-card {
  padding: 28px;
  border: 1px solid rgba(229, 232, 236, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.article-content h2:not(:first-child),
.article-content h3,
.article-content ul,
.article-content ol,
.article-content table,
.faq-card h2 {
  margin-top: 28px;
}

.article-content ul,
.article-content ol {
  padding-left: 22px;
}

.article-content li {
  margin-bottom: 10px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
}

.article-content th,
.article-content td {
  padding: 12px 14px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.article-content th {
  color: var(--space-blue);
  background: rgba(62, 94, 154, 0.06);
}

.article-aside {
  display: grid;
  gap: 18px;
}

.aside-title {
  margin-bottom: 6px;
  color: var(--space-blue);
  font-size: 1.05rem;
  font-weight: 600;
}

.aside-list,
.faq-list,
.roadmap-list {
  display: grid;
  gap: 14px;
}

.aside-item,
.faq-item,
.roadmap-item {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.aside-item:last-child,
.faq-item:last-child,
.roadmap-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.article-highlight,
.worked-example {
  padding: 20px;
  border-radius: 20px;
  background: var(--gradient-soft);
  border: 1px solid rgba(62, 94, 154, 0.12);
}

.article-highlight strong,
.worked-example strong {
  color: var(--space-blue);
}

.pull-quote {
  margin: 28px 0;
  padding: 24px;
  border-left: 4px solid var(--teal);
  border-radius: 0 20px 20px 0;
  background: linear-gradient(180deg, rgba(62, 94, 154, 0.08), rgba(255, 255, 255, 0.98));
}

.pull-quote p {
  margin: 0;
  color: var(--space-blue);
  font-size: 1.2rem;
  line-height: 1.5;
}

.article-callout-grid,
.related-path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.article-action-card {
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(62, 94, 154, 0.12);
  background: linear-gradient(180deg, rgba(244, 246, 248, 0.9), rgba(255, 255, 255, 0.98));
}

.article-action-card h3,
.article-action-card p {
  margin-bottom: 12px;
}

.article-path-list {
  display: grid;
  gap: 12px;
}

.article-path-list a {
  color: var(--indigo);
  font-weight: 600;
}

.article-summary-list {
  display: grid;
  gap: 12px;
}

.article-summary-list div {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(62, 94, 154, 0.06);
  border: 1px solid rgba(62, 94, 154, 0.1);
}

.faq-card {
  margin-top: 28px;
}

.faq-item h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.roadmap-grid,
.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.resource-grid .content-card,
.roadmap-grid .content-card {
  height: 100%;
}

.tool-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
}

.tool-table th,
.tool-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

.tool-table th {
  color: var(--space-blue);
  font-weight: 600;
}

.tool-table select,
.tool-table input {
  min-height: 42px;
}

.recommendation-card,
.insight-card,
.map-card {
  padding: 20px;
  border-radius: 20px;
  border: 1px solid rgba(62, 94, 154, 0.12);
  background: linear-gradient(180deg, rgba(244, 246, 248, 0.9), rgba(255, 255, 255, 0.98));
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.score-chip {
  display: inline-flex;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(62, 94, 154, 0.1);
  color: var(--indigo);
  font-weight: 600;
  font-size: 0.86rem;
}

.score-chip.score-chip-strong {
  background: rgba(54, 183, 167, 0.14);
  color: #0d6d63;
}

.score-chip.score-chip-caution {
  background: rgba(162, 42, 108, 0.12);
  color: #7d1d53;
}

.progress-bar {
  width: 100%;
  height: 12px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(31, 42, 68, 0.08);
}

.progress-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--gradient);
}

.stage-grid,
.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.stage-button {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--space-blue);
  text-align: left;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

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

.stage-button.is-active {
  border-color: rgba(54, 183, 167, 0.45);
  box-shadow: 0 18px 36px rgba(31, 42, 68, 0.08);
  background: linear-gradient(180deg, rgba(54, 183, 167, 0.1), rgba(255, 255, 255, 0.96));
}

.stage-button strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.checklist {
  display: grid;
  gap: 10px;
}

.checklist div {
  padding-left: 20px;
  position: relative;
}

.checklist div::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
}

.channel-grid .content-card,
.stage-grid .content-card {
  height: 100%;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.tag-row span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(162, 42, 108, 0.08);
  color: var(--magenta);
  font-size: 0.88rem;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-pill {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
}

.metric-pill strong {
  display: block;
  margin-bottom: 6px;
  color: var(--space-blue);
  font-size: 1.2rem;
}

.compact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.callout-banner {
  padding: 26px 28px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at top right, rgba(54, 183, 167, 0.2), transparent 28%),
    linear-gradient(135deg, rgba(31, 42, 68, 0.96), rgba(62, 94, 154, 0.92));
  color: var(--white);
  box-shadow: var(--shadow-strong);
}

.callout-banner h2,
.callout-banner p {
  color: var(--white);
}

.page-links {
  display: grid;
  gap: 10px;
}

.page-links a {
  color: var(--indigo);
}

.list-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.list-inline span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(62, 94, 154, 0.08);
  color: var(--indigo);
  font-size: 0.9rem;
}

.summary-card,
.definition-card,
.formula-card,
.author-card,
.citation-card,
.knowledge-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.summary-card,
.definition-card,
.formula-card {
  margin-bottom: 24px;
}

.summary-card p:last-child,
.definition-card p:last-child,
.formula-card p:last-child,
.author-card p:last-child,
.citation-card p:last-child,
.knowledge-card p:last-child {
  margin-bottom: 0;
}

.summary-list,
.definition-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.summary-list div,
.definition-list div {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(62, 94, 154, 0.06);
}

.formula-block {
  margin: 18px 0;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(31, 42, 68, 0.05);
  color: var(--ink);
  font-weight: 600;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.knowledge-card h3 {
  margin-bottom: 10px;
}

.knowledge-card .tag-row {
  margin: 16px 0 20px;
}

.knowledge-meta {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.knowledge-footer .article-shell {
  align-items: stretch;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 450ms ease, transform 450ms ease;
}

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

@media (max-width: 960px) {
  .hero-grid,
  .split-grid,
  .tool-layout,
  .stage-grid,
  .channel-grid,
  .insight-grid,
  .article-callout-grid,
  .related-path-grid,
  .feature-grid,
  .card-grid,
  .story-grid,
  .project-grid,
  .roadmap-grid,
  .resource-grid,
  .article-shell,
  .compact-grid,
  .footer-grid,
  .service-grid,
  .timeline-grid,
  .detail-grid,
  .knowledge-grid,
  .knowledge-meta {
    grid-template-columns: 1fr;
  }

  .hero-metrics,
  .input-grid,
  .stat-grid,
  .result-grid,
  .metric-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .orbital {
    width: 320px;
    height: 320px;
    inset: auto -10% 12% auto;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .site-header {
    padding: 14px 0;
  }

  .brand-wordmark {
    width: 178px;
  }

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

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
  }

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

  .home-hero,
  .page-hero,
  .section {
    padding: 64px 0;
  }

  .hero-metrics,
  .input-grid,
  .stat-grid,
  .result-grid,
  .metric-strip {
    grid-template-columns: 1fr;
  }

  .tool-surface,
  .tool-card,
  .content-card,
  .feature-card,
  .essay-card,
  .detail-card,
  .service-card,
  .project-card,
  .timeline-card,
  .panel-card {
    padding: 22px;
  }

  .project-card {
    padding: 0;
  }

  .project-card-body {
    padding: 22px;
  }

  .consent-banner {
    right: 16px;
    bottom: 16px;
    width: calc(100% - 32px);
  }
}