:root {
  color-scheme: light;
  --bg-page: linear-gradient(155deg, #eef4f8 0%, #dce8ef 50%, #c9d9e4 100%);
  --bg-card-solid: #ffffff;
  --bg-card-glass: linear-gradient(155deg, rgba(238, 244, 248, 0.92) 0%, rgba(220, 232, 239, 0.88) 100%);
  --text-primary: #0e2543;
  --text-secondary: #5f7080;
  --text-tertiary: #8aa0b0;
  --accent: #174f82;
  --accent-strong: #102f52;
  --accent-bright: #2a6aa3;
  --accent-gradient: linear-gradient(135deg, #102f52 0%, #174f82 55%, #2a6aa3 100%);
  --border-soft: rgba(105, 144, 168, 0.18);
  --border-card: rgba(105, 144, 168, 0.24);
  --shadow-glass:
    0 1px 2px rgba(23, 51, 92, 0.04),
    0 8px 24px rgba(23, 51, 92, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  --shadow-card-hover:
    0 1px 3px rgba(23, 51, 92, 0.05),
    0 16px 40px rgba(23, 51, 92, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  --radius-card: 14px;
  --radius-card-large: 20px;
  --radius-button: 999px;
  --primary: var(--accent);
  --primary-hover: var(--accent-bright);
  --primary-focus: var(--accent-bright);
  --ink: var(--text-primary);
  --ink-muted: var(--text-secondary);
  --ink-subtle: var(--text-secondary);
  --ink-tertiary: var(--text-tertiary);
  --canvas: #eef4f8;
  --surface-1: var(--bg-card-glass);
  --surface-2: rgba(255, 255, 255, 0.72);
  --surface-3: rgba(238, 244, 248, 0.84);
  --surface-4: rgba(220, 232, 239, 0.72);
  --hairline: var(--border-soft);
  --hairline-strong: var(--border-card);
  --success: #2f7d5d;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: var(--radius-card);
  --radius-xl: var(--radius-card-large);
  --container: 1180px;
  --header-height: 56px;
  --hero-sticky-offset: var(--header-height);
  font-family: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: #eef4f8;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--bg-page);
  background-attachment: fixed;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
  overflow-x: hidden;
}

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

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

p,
h1,
h2,
h3,
figure,
pre,
ul,
dl,
dd {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

pre,
.mono {
  font-family: "JetBrains Mono", "SF Mono", Consolas, ui-monospace, monospace;
  font-size: 13px;
  line-height: 1.55;
}

pre {
  overflow: auto;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: rgba(14, 37, 67, 0.92);
  color: var(--ink-muted);
  padding: 14px;
}

.wrap {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: rgba(238, 244, 248, 0.86);
  border-bottom: 1px solid var(--hairline);
  backdrop-filter: blur(18px);
  transition: box-shadow 160ms ease;
}

.header-scrolled {
  box-shadow: 0 1px 0 rgba(105, 144, 168, 0.1), 0 4px 16px rgba(23, 51, 92, 0.06);
}

.beta-strip {
  position: relative;
  z-index: 1;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(105, 144, 168, 0.12);
  background: rgba(238, 244, 248, 0.72);
  color: var(--ink-subtle);
  font-size: 12.5px;
  padding: 6px 14px;
  text-align: center;
}

.beta-strip a {
  display: inline-block;
  max-width: min(100%, var(--container));
  overflow-wrap: anywhere;
}

.nav-shell {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(100% - 32px, var(--container));
  height: var(--header-height);
  margin-inline: auto;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  min-width: 0;
}

.brand-tagline {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--border-card);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--ink);
  font-size: 12px;
  font-weight: 650;
  padding: 4px 11px;
  box-shadow: var(--shadow-glass);
  white-space: nowrap;
}

.brand-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border: 0;
  border-radius: 8px;
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none;
  object-fit: contain;
}

.brand-icon-hero {
  width: 72px;
  height: 72px;
  flex: 0 0 auto;
  border: 0;
  border-radius: 16px;
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none;
  object-fit: contain;
}

.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(105, 144, 168, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.52);
  padding: 4px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.nav-links a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sm);
  color: var(--ink-subtle);
  font-size: 14px;
  padding: 6px 10px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
}

.nav-shell > .button {
  justify-self: end;
}

.nav-spacer {
  justify-self: end;
  min-width: 1px;
}

.button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-button);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  padding: 8px 14px;
  white-space: nowrap;
  box-shadow: none;
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease, color 160ms ease, transform 160ms ease;
}

.button-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow:
    0 1px 2px rgba(23, 79, 130, 0.2),
    0 8px 20px rgba(23, 79, 130, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.button-primary:hover {
  background: var(--accent-gradient);
  box-shadow:
    0 1px 3px rgba(23, 79, 130, 0.22),
    0 12px 28px rgba(23, 79, 130, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.button-secondary {
  border-color: var(--hairline);
  background: var(--surface-1);
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--hairline-strong);
  background: var(--surface-2);
  box-shadow: var(--shadow-glass);
  transform: translateY(-1px);
}

.disabled-link {
  cursor: not-allowed;
  opacity: 0.78;
}

.button:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(42, 106, 163, 0.72);
  outline-offset: 3px;
}

.section {
  padding-block: 96px;
}

.section.compact {
  padding-block: 48px;
}

.hero {
  padding-top: 80px;
  padding-bottom: 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  align-items: center;
  gap: 44px;
}

.hero-copy {
  min-width: 0;
  max-width: 560px;
}

.hero-brand-card {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  max-width: 100%;
  margin-bottom: 18px;
  padding: 8px 12px 8px 8px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--bg-card-glass);
  box-shadow: var(--shadow-glass);
}

.hero-brand-card img {
  width: 60px;
  height: 60px;
  flex: 0 0 auto;
  border: 0;
  border-radius: 16px;
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none;
  object-fit: contain;
}

.hero-brand-card span,
.hero-brand-card strong {
  display: block;
}

.hero-brand-card span {
  color: var(--ink);
  font-size: 24px;
  font-weight: 650;
  line-height: 1;
}

.hero-brand-card strong {
  margin-top: 8px;
  color: var(--primary-hover);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.25;
  text-transform: uppercase;
}

.section-label {
  margin-bottom: 14px;
  color: var(--accent-bright);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--ink);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  overflow-wrap: anywhere;
  font-size: clamp(40px, 5.2vw, 60px);
}

h1 span {
  display: block;
}

h2 {
  font-size: clamp(28px, 4.8vw, 48px);
  max-width: 780px;
}

h3 {
  font-size: 20px;
  line-height: 1.22;
}

.hero-lead {
  margin-top: 20px;
  color: var(--ink-muted);
  overflow-wrap: anywhere;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.35;
}

.hero-lead span {
  display: block;
}

.hero-body,
.section-heading p,
.pricing-note p,
.download-card p,
.feature-card p,
.workflow-list p,
.boundary-list p,
.gate-grid li,
.price-note,
.site-footer p {
  color: var(--ink-subtle);
}

.hero-body {
  margin-top: 18px;
  font-size: 17px;
  max-width: 620px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.trust-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.trust-chips span {
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink-muted);
  font-size: 13px;
  padding: 6px 10px;
}

.product-frame {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  background: var(--bg-card-glass);
  box-shadow: var(--shadow-glass);
}

.product-frame > img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-cover {
  position: relative;
  overflow: visible;
  height: 180vh;
  padding-top: 0;
  padding-bottom: 0;
  --frame-y: -42vh;
  --frame-rotate: 34deg;
  --frame-scale: 0.98;
  --frame-dim: 0;
  --copy-opacity: 1;
  --copy-y: 0px;
}

.hero-cover::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 72%;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.72), transparent 34%),
    radial-gradient(circle at 72% 35%, rgba(42, 106, 163, 0.12), transparent 28%);
  pointer-events: none;
}

.hero-cover__inner {
  position: sticky;
  top: var(--hero-sticky-offset);
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: flex-start;
  height: calc(100vh - var(--hero-sticky-offset));
  padding-top: clamp(16px, 3.4vh, 36px);
  text-align: center;
}

.hero-cover h1 {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin-top: 0;
  font-size: clamp(56px, 7.8vw, 104px);
  font-weight: 720;
  line-height: 0.98;
  opacity: var(--copy-opacity);
  transform: translateY(var(--copy-y));
  transition: opacity 120ms linear, transform 120ms linear;
}

.hero-cover h1 span:last-child {
  background: linear-gradient(120deg, #174f82 0%, #2f7ed0 48%, #5c6df2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-cover .hero-lead {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin-top: 24px;
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.5;
  opacity: var(--copy-opacity);
  transform: translateY(var(--copy-y));
  transition: opacity 120ms linear, transform 120ms linear;
}

.hero-cover__actions {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  margin-top: 28px;
  opacity: var(--copy-opacity);
  transform: translateY(var(--copy-y));
  transition: opacity 120ms linear, transform 120ms linear;
}

.hero-download {
  min-height: 68px;
  gap: 12px;
  border-radius: 999px;
  font-size: 24px;
  font-weight: 700;
  padding: 18px 38px;
  box-shadow:
    0 1px 3px rgba(23, 79, 130, 0.12),
    0 12px 32px rgba(23, 79, 130, 0.2);
}

.hero-download svg {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
}

.hero-download small {
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 600;
}

.hero-cover__frame {
  position: relative;
  z-index: 9;
  flex: 0 0 auto;
  width: min(1480px, 98%);
  margin-top: clamp(18px, 3vh, 36px);
  border-radius: 20px;
  background: #eaf2f7;
  transform: perspective(1100px) translate3d(0, var(--frame-y), 0) rotateX(var(--frame-rotate)) scale(var(--frame-scale));
  transform-origin: center bottom;
  box-shadow: 0 42px 88px rgba(23, 51, 92, 0.24), 0 -1px 0 rgba(255, 255, 255, 0.8), var(--shadow-glass);
  backface-visibility: hidden;
  will-change: transform;
}

.hero-cover__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: 2;
  height: 15%;
  background: linear-gradient(180deg, rgba(14, 37, 67, 0.18), transparent);
  opacity: var(--frame-dim);
  pointer-events: none;
}

.hero-cover__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(14, 37, 67, 0.16) 0%, rgba(14, 37, 67, 0.06) 38%, rgba(14, 37, 67, 0.18) 100%);
  opacity: var(--frame-dim);
  pointer-events: none;
  transition: opacity 120ms linear;
}

.hero-cover__frame img {
  position: relative;
  z-index: 1;
}

.hero-cover__chips {
  position: relative;
  z-index: 3;
  justify-content: center;
  max-width: 840px;
  margin-top: 18px;
  opacity: var(--copy-opacity);
  transform: translateY(var(--copy-y));
  transition: opacity 120ms linear, transform 120ms linear;
}

.hero-cover__chips span {
  min-width: 104px;
  justify-content: center;
  gap: 8px;
  text-align: center;
  white-space: nowrap;
}

.hero-cover__chips span::before {
  content: attr(data-icon);
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(42, 106, 163, 0.22);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--accent-bright);
  font-family: "JetBrains Mono", "SF Mono", Consolas, ui-monospace, monospace;
  font-size: 11px;
  font-weight: 700;
}

.app-chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 42px;
  border-bottom: 1px solid var(--hairline);
  padding: 0 18px;
}

.app-chrome span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-bright);
}

.product-ui {
  display: grid;
  grid-template-columns: 0.75fr 1.15fr 0.82fr;
  min-height: 470px;
}

.library-pane,
.entry-pane,
.context-pane {
  min-width: 0;
  padding: 20px;
}

.library-pane,
.entry-pane {
  border-right: 1px solid var(--hairline);
}

.pane-title,
.card-topline,
.entry-meta,
.plan-status,
.gate-grid span {
  color: var(--ink-tertiary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.search-line {
  margin-top: 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink-subtle);
  font-size: 13px;
  padding: 10px 12px;
}

.source-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.source-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: var(--radius-md);
  color: var(--ink-subtle);
  font-size: 13px;
  padding: 9px 10px;
}

.source-list li.active {
  background: var(--surface-2);
  color: var(--ink);
}

.source-list strong {
  color: var(--ink-tertiary);
  font-size: 12px;
}

.entry-pane {
  display: grid;
  align-content: start;
  gap: 14px;
}

.entry-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
  padding: 16px;
}

.entry-card.selected {
  border-color: rgba(42, 106, 163, 0.48);
  background: rgba(255, 255, 255, 0.9);
}

.entry-card h2 {
  margin-top: 9px;
  font-size: 20px;
  line-height: 1.22;
}

.entry-card p {
  margin-top: 10px;
  color: var(--ink-subtle);
  font-size: 13px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag-row span,
.release-card-header,
.pricing-note span {
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink-muted);
  font-size: 12px;
  padding: 3px 8px;
}

.context-pane {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.context-block {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  padding: 12px;
}

.context-block span {
  display: block;
  color: var(--ink-tertiary);
  font-size: 12px;
  text-transform: uppercase;
}

.context-block strong {
  display: block;
  margin-top: 5px;
  color: var(--ink);
  font-size: 13px;
}

.mock-button {
  min-height: 38px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-button);
  background: var(--surface-2);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading.split {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  align-items: end;
  gap: 32px;
}

.section-heading.split p {
  font-size: 16px;
}

.feature-grid,
.pricing-grid,
.download-grid {
  display: grid;
  gap: 16px;
}

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

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

.feature-card,
.pricing-card,
.download-card,
.workflow-panel,
.verification-panel,
.comparison-panel,
.boundary-grid,
.gate-grid,
.cta-panel,
.release-card,
.pricing-note {
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  background: var(--bg-card-glass);
  box-shadow: var(--shadow-glass);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.feature-card:hover,
.pricing-card:hover,
.download-card:hover,
.release-card:hover {
  border-color: var(--border-card);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-1px);
}

.feature-card,
.pricing-card,
.download-card {
  padding: 24px;
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 28px;
  border: 1px solid rgba(42, 106, 163, 0.26);
  border-radius: var(--radius-md);
  background: rgba(42, 106, 163, 0.1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.feature-card h3,
.download-card h2,
.pricing-card h2,
.workflow-list h3 {
  margin-top: 10px;
}

.feature-card p,
.download-card p,
.pricing-card li,
.workflow-list p {
  margin-top: 12px;
  font-size: 14px;
}

.feature-card__lead {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
}

.feature-card__meta {
  border-top: 1px solid var(--hairline);
  padding-top: 12px;
  color: var(--ink-subtle);
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: -4px 0 18px;
}

.workflow-steps span,
.workflow-mini span,
.evidence-tags span {
  border: 1px solid rgba(42, 106, 163, 0.18);
  border-radius: var(--radius-md);
  background: rgba(42, 106, 163, 0.08);
  color: var(--ink);
  font-size: 12px;
  line-height: 1.35;
}

.workflow-steps span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 10px;
  text-align: center;
  font-weight: 600;
}

.evidence-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.evidence-tags span {
  padding: 6px 9px;
}

.workflow-mini {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.workflow-mini span {
  position: relative;
  padding: 8px 10px;
}

.workflow-mini span + span::before {
  content: "↓";
  position: absolute;
  top: -17px;
  left: 14px;
  color: var(--accent);
  font-size: 12px;
}

.context-sample {
  margin-top: 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: rgba(3, 7, 18, 0.62);
  padding: 14px;
  overflow-x: auto;
  color: #dbeafe;
  font-family: "JetBrains Mono", "SF Mono", Consolas, ui-monospace, monospace;
  font-size: 12px;
  line-height: 1.65;
}

.feature-stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  scroll-margin-top: calc(var(--header-height) + 72px);
  margin-top: 0;
  padding: clamp(42px, 5vw, 68px) 0 clamp(52px, 6vw, 78px);
  background:
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.58), transparent 32%),
    radial-gradient(circle at 14% 60%, rgba(126, 171, 199, 0.22), transparent 34%),
    var(--bg-page);
  color: var(--ink);
  border-block: 1px solid var(--border-soft);
}

.feature-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(42, 106, 163, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 106, 163, 0.03) 1px, transparent 1px);
  background-size: 100px 100px;
  mask-image: radial-gradient(circle at center, black 0%, transparent 72%);
}

.feature-stage__header {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
  text-align: center;
}

.feature-stage__eyebrow {
  color: var(--accent-bright);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature-stage h2 {
  max-width: none;
  margin-top: 8px;
  color: var(--ink);
  font-size: clamp(42px, 5.6vw, 66px);
  font-weight: 700;
  line-height: 0.98;
}

.feature-stage__title {
  display: grid;
  justify-items: center;
  gap: 10px;
  margin-top: 0;
  line-height: 1;
}

.feature-stage__brand {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: clamp(30px, 3.3vw, 46px);
  font-weight: 700;
  color: #174f82;
  text-shadow: 0 12px 30px rgba(23, 79, 130, 0.16);
}

.feature-stage__main {
  font-size: clamp(42px, 5.9vw, 76px);
  font-weight: 760;
  background: linear-gradient(120deg, #102542 0%, #174f82 48%, #2f7ed0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.feature-stage__flare {
  display: block;
  width: min(220px, 48vw);
  height: 14px;
  margin: 18px auto 0;
  background: radial-gradient(ellipse at center, rgba(23, 79, 130, 0.42) 0%, rgba(47, 126, 208, 0.22) 34%, transparent 72%);
  filter: blur(4px);
}

.feature-scenes {
  display: grid;
  gap: clamp(22px, 3.8vw, 42px);
  width: min(100% - 44px, 1180px);
  margin: clamp(28px, 4vw, 42px) auto 0;
}

.feature-scene {
  position: relative;
  display: grid;
  grid-template-columns: minmax(230px, 0.62fr) minmax(390px, 1.38fr);
  align-items: center;
  gap: clamp(20px, 3vw, 36px);
  min-height: clamp(360px, 40vw, 460px);
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid rgba(185, 218, 255, 0.18);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(238, 244, 248, 0.94) 0%, rgba(220, 232, 239, 0.9) 50%, rgba(238, 244, 248, 0.92) 100%),
    radial-gradient(circle at 76% 50%, rgba(255, 255, 255, 0.48), transparent 38%);
  box-shadow:
    0 1px 3px rgba(23, 51, 92, 0.04),
    0 16px 48px rgba(23, 51, 92, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.feature-scene::before,
.feature-scene::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.feature-scene::before {
  inset: -1px;
  border-radius: var(--radius-xl);
  border-top: 1px solid rgba(42, 106, 163, 0.22);
  border-right: 1px solid rgba(105, 144, 168, 0.28);
  box-shadow: 0 0 20px rgba(42, 106, 163, 0.08);
}

.feature-scene::after {
  left: 0;
  bottom: 0;
  width: 24%;
  height: 1px;
  background: linear-gradient(90deg, rgba(42, 106, 163, 0.28), transparent);
  box-shadow: none;
}

.feature-scene__copy {
  position: relative;
  z-index: 1;
  max-width: 360px;
}

.feature-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  border: 1px solid rgba(68, 148, 255, 0.42);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--accent-bright);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 13px;
  box-shadow: inset 0 0 16px rgba(42, 106, 163, 0.08);
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(42, 106, 163, 0.22);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--accent-bright);
  font-family: "JetBrains Mono", "SF Mono", Consolas, ui-monospace, monospace;
  font-size: 11px;
  font-weight: 700;
}

.feature-scene h3 {
  margin-top: 14px;
  color: var(--ink);
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 700;
  line-height: 1.08;
}

.feature-scene__lead {
  margin-top: 12px;
  color: var(--ink);
  font-size: clamp(16px, 1.35vw, 19px);
  font-weight: 650;
  line-height: 1.42;
}

.feature-scene__copy p:not(.feature-scene__lead) {
  margin-top: 10px;
  color: var(--ink-muted);
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.58;
}

.feature-visual {
  position: relative;
  z-index: 1;
  min-height: clamp(250px, 29vw, 340px);
  overflow: hidden;
  border: 1px solid rgba(184, 207, 236, 0.16);
  border-radius: 16px;
  background: linear-gradient(180deg, #f8fbff 0%, #eef4f8 100%);
  box-shadow:
    0 1px 3px rgba(23, 51, 92, 0.04),
    0 12px 36px rgba(23, 51, 92, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.56);
}

.feature-video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  border-radius: inherit;
  background: #0d1117;
}

.feature-visual--figure {
  min-height: clamp(360px, 38vw, 500px);
}

.feature-visual--figure .feature-video {
  object-fit: contain;
  background: #eaf3f8;
}

.feature-scene--citation {
  isolation: isolate;
  overflow: visible;
  z-index: 0;
}

.feature-visual--export {
  min-height: clamp(330px, 36vw, 460px);
  padding: 0;
  z-index: 3;
  cursor: pointer;
}

.feature-ai-showcase {
  position: relative;
  display: block;
  height: 100%;
  min-height: inherit;
}

.feature-ai-showcase .feature-video {
  min-height: inherit;
  border-radius: inherit;
  object-fit: contain;
  background: linear-gradient(180deg, #edf5f9 0%, #dceaf1 100%);
}

.ai-result-preview {
  position: absolute;
  z-index: 1;
  top: 62%;
  left: auto;
  right: clamp(-68px, -4.8vw, -42px);
  width: clamp(228px, 19vw, 292px);
  aspect-ratio: 0.7;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(184, 207, 236, 0.42);
  border-radius: 12px;
  background: #eef6fb;
  cursor: pointer;
  opacity: 1;
  box-shadow:
    0 1px 2px rgba(23, 51, 92, 0.06),
    0 10px 24px rgba(23, 51, 92, 0.12);
  transform: translateY(-50%) rotate(11deg) scale(0.92);
  transform-origin: center;
  transition:
    left 0.9s cubic-bezier(0.19, 1, 0.22, 1),
    right 0.9s cubic-bezier(0.19, 1, 0.22, 1),
    top 0.9s cubic-bezier(0.19, 1, 0.22, 1),
    width 0.9s cubic-bezier(0.19, 1, 0.22, 1),
    opacity 0.45s ease,
    transform 0.9s cubic-bezier(0.19, 1, 0.22, 1),
    box-shadow 0.55s ease;
}

.ai-result-preview:focus-visible {
  outline: 2px solid rgba(42, 106, 163, 0.42);
  outline-offset: 4px;
}

.ai-result-preview::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.74);
  content: "";
  pointer-events: none;
}

.feature-scene--citation.is-card-open .ai-result-preview {
  z-index: 4;
  top: 62%;
  left: clamp(-128px, -7vw, -88px);
  right: auto;
  width: clamp(470px, 36vw, 530px);
  opacity: 1;
  box-shadow:
    0 3px 8px rgba(23, 51, 92, 0.1),
    0 18px 44px rgba(23, 51, 92, 0.2);
  transform: translateY(-50%) rotate(-5deg) scale(1);
}

.ai-result-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.feature-inventory {
  padding: clamp(42px, 5vw, 70px) 0;
  background: #f8fbff;
  border-bottom: 1px solid var(--border-soft);
  color: var(--ink);
}

.feature-inventory__inner {
  width: min(100% - 44px, 1180px);
  margin: 0 auto;
}

.feature-inventory__header {
  max-width: 720px;
}

.feature-inventory__header h2 {
  margin-top: 8px;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

.feature-inventory__header h2 span {
  display: inline-block;
  white-space: nowrap;
}

.feature-inventory__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(22px, 3vw, 34px);
}

.feature-inventory__grid article {
  border: 1px solid rgba(184, 207, 236, 0.58);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
  padding: 18px;
  box-shadow: 0 10px 28px rgba(23, 51, 92, 0.06);
}

.feature-inventory__grid h3 {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.25;
}

.feature-inventory__grid ul {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.feature-inventory__grid li {
  position: relative;
  padding-left: 16px;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.45;
}

.feature-inventory__grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent-bright);
  opacity: 0.72;
}

.workflow-panel,
.verification-panel,
.comparison-panel,
.boundary-grid,
.gate-grid,
.cta-panel {
  padding: clamp(24px, 4vw, 48px);
}

.workflow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.workflow-list article {
  border-top: 1px solid var(--hairline);
  padding-top: 18px;
}

.workflow-list span {
  color: var(--accent-bright);
  font-family: "JetBrains Mono", "SF Mono", Consolas, ui-monospace, monospace;
  font-size: 12px;
}

.boundary-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(300px, 1.2fr);
  gap: 28px;
}

.boundary-grid--stacked {
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 38px);
}

.boundary-grid--stacked .section-heading {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.boundary-grid--stacked .section-label {
  margin-bottom: 10px;
}

.boundary-grid--stacked h2 {
  font-size: clamp(36px, 4.6vw, 56px);
  line-height: 1.08;
}

.boundary-list {
  display: grid;
  gap: 10px;
}

.boundary-list p {
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 10px;
}

.mini-pricing,
.notice-panel,
.details-card,
.faq-list,
.timeline-list,
.alpha-rules {
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  background: var(--bg-card-glass);
  box-shadow: var(--shadow-glass);
}

.mini-pricing,
.notice-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(300px, 1.18fr);
  gap: 28px;
  padding: clamp(24px, 4vw, 48px);
}

.mini-pricing-list {
  display: grid;
  gap: 12px;
}

.mini-pricing-list p {
  display: grid;
  gap: 4px;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 12px;
}

.mini-pricing-list strong {
  color: var(--ink);
  font-size: 15px;
}

.mini-pricing-list span {
  color: var(--ink-muted);
  font-size: 14px;
}

.number-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding-left: 22px;
  color: var(--ink-muted);
  font-size: 14px;
}

.details-card {
  padding: 18px;
}

.details-card summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 600;
}

.details-card .command-grid {
  margin-top: 18px;
}

.faq-list,
.timeline-list {
  display: grid;
  gap: 0;
  padding: clamp(20px, 3vw, 28px);
}

.faq-list details,
.timeline-list li {
  border-bottom: 1px solid var(--hairline);
  padding-block: 14px;
}

.faq-list details:last-child,
.timeline-list li:last-child {
  border-bottom: 0;
}

.faq-list summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 600;
}

.faq-list p,
.timeline-list p {
  margin-top: 8px;
  color: var(--ink-muted);
  font-size: 14px;
}

.timeline-list strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.alpha-rules {
  overflow-x: auto;
}

.alpha-rules table {
  min-width: 680px;
}

.alpha-hero {
  overflow: hidden;
}

.alpha-hero .page-hero {
  align-items: stretch;
}

.alpha-platform-badge {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  margin: 12px 0 18px;
  border: 1px solid rgba(23, 79, 130, 0.22);
  border-radius: 999px;
  background: rgba(232, 243, 250, 0.88);
  color: var(--accent);
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 760;
  line-height: 1.2;
  padding: 7px 16px;
  box-shadow: 0 12px 30px rgba(23, 79, 130, 0.1);
}

.alpha-hero-title {
  display: grid;
  gap: 8px;
  margin: 0;
  max-width: 720px;
  line-height: 0.96;
}

.alpha-hero-title span {
  color: var(--accent);
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 760;
}

.alpha-hero-title strong {
  color: var(--ink);
  font-size: clamp(62px, 7.8vw, 108px);
  font-weight: 790;
  letter-spacing: 0;
}

.alpha-seat-card,
.alpha-cohort article,
.alpha-path article {
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(232, 243, 250, 0.78));
  box-shadow: var(--shadow-glass);
}

.alpha-seat-card {
  position: relative;
  isolation: isolate;
  display: grid;
  align-content: center;
  min-height: 430px;
  overflow: hidden;
  padding: clamp(28px, 4vw, 46px);
  text-align: center;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.alpha-seat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 36px 80px rgba(23, 79, 130, 0.24);
}

.seat-orbit {
  position: absolute;
  inset: 34px;
  z-index: -1;
  border: 1px solid rgba(42, 106, 163, 0.16);
  border-radius: 50%;
  animation: alpha-ring-breathe 3.8s ease-in-out infinite;
}

.seat-orbit span {
  position: absolute;
  inset: 11%;
  border: 1px solid rgba(42, 106, 163, 0.12);
  border-radius: inherit;
}

.seat-orbit span:nth-child(2) {
  inset: 23%;
}

.seat-orbit span:nth-child(3) {
  inset: 35%;
}

.seat-label {
  color: var(--accent-bright);
  font-family: "JetBrains Mono", "SF Mono", Consolas, ui-monospace, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.alpha-seat-offer {
  justify-self: center;
  display: grid;
  grid-template-columns: auto auto;
  align-items: end;
  column-gap: 8px;
  margin-top: 18px;
  color: var(--ink);
  line-height: 0.86;
}

.alpha-seat-offer span {
  color: var(--accent);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 720;
  transform: translateY(-0.1em);
}

.alpha-seat-offer strong {
  font-size: clamp(92px, 10vw, 132px);
  font-weight: 760;
  letter-spacing: 0;
}

.alpha-seat-offer em {
  grid-column: 1 / -1;
  justify-self: center;
  margin-top: 18px;
  border: 1px solid rgba(23, 79, 130, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 28px rgba(23, 79, 130, 0.1);
  color: var(--accent);
  font-size: 18px;
  font-style: normal;
  font-weight: 760;
  line-height: 1;
  padding: 9px 18px;
}

.alpha-seat-card > p:last-child {
  max-width: 340px;
  margin: 12px auto 0;
  color: var(--ink-muted);
  font-size: 15px;
}

.alpha-hero-note {
  max-width: 620px;
  margin-top: 16px;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.7;
}

.seat-meter {
  width: min(330px, 100%);
  height: 10px;
  margin: 26px auto 0;
  overflow: hidden;
  border: 1px solid rgba(42, 106, 163, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.seat-meter i {
  display: block;
  width: 62%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #174f82, #2f7ed0, #81d4fa);
  animation: alpha-meter-pulse 2.4s ease-in-out infinite;
}

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

.alpha-cohort-heading {
  margin-bottom: clamp(20px, 3vw, 30px);
  max-width: 720px;
  text-align: left;
}

.alpha-cohort-heading h2 {
  color: var(--ink);
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.08;
}

.alpha-path-heading {
  max-width: 720px;
}

.alpha-cohort article,
.alpha-path article {
  padding: clamp(22px, 3vw, 32px);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.alpha-cohort article:hover,
.alpha-path article:hover {
  transform: translateY(-5px);
  border-color: rgba(42, 106, 163, 0.28);
  box-shadow: 0 26px 58px rgba(23, 79, 130, 0.16);
}

.alpha-cohort span,
.alpha-path span {
  color: var(--accent-bright);
  font-family: "JetBrains Mono", "SF Mono", Consolas, ui-monospace, monospace;
  font-size: 12px;
  font-weight: 700;
}

.alpha-cohort h3,
.alpha-path h3 {
  margin-top: 12px;
  color: var(--ink);
  font-size: clamp(23px, 2.2vw, 30px);
}

.alpha-cohort p,
.alpha-path p {
  margin-top: 12px;
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.7;
}

.alpha-fit-list strong {
  font-size: 17px;
}

.alpha-brief {
  max-width: 1120px;
}

.alpha-brief .section-heading {
  max-width: 920px;
}

.alpha-brief .section-heading h2 {
  font-size: clamp(34px, 4vw, 50px);
  text-wrap: balance;
}

.alpha-brief-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 24px);
}

.alpha-brief-panel article {
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.82), rgba(238, 247, 252, 0.68));
  padding: clamp(22px, 3vw, 32px);
  box-shadow: var(--shadow-glass);
}

.alpha-brief-panel article > span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  background: rgba(42, 106, 163, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 12px;
}

.alpha-brief-list {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.alpha-brief-list li {
  border-top: 1px solid var(--hairline);
  padding: 16px 0 0;
}

.alpha-brief-list li + li {
  margin-top: 16px;
}

.alpha-brief-list strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.35;
}

.alpha-brief-list p {
  margin-top: 8px;
  color: var(--ink-muted);
  line-height: 1.7;
}

.alpha-download-panel {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(280px, 0.72fr);
  align-items: center;
  gap: clamp(22px, 4vw, 46px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(232, 243, 250, 0.78));
  box-shadow: var(--shadow-glass);
  padding: clamp(24px, 4vw, 42px);
}

.alpha-download-panel h2 {
  margin-top: 8px;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
}

.alpha-download-panel p {
  max-width: 620px;
  margin-top: 14px;
  color: var(--ink-muted);
  font-size: 16px;
  line-height: 1.7;
}

.alpha-download-panel .button {
  margin-top: 22px;
}

.alpha-install-card {
  border: 1px solid rgba(42, 106, 163, 0.16);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.58);
  padding: clamp(18px, 3vw, 26px);
}

.alpha-install-card > span {
  color: var(--accent-bright);
  font-family: "JetBrains Mono", "SF Mono", Consolas, ui-monospace, monospace;
  font-size: 12px;
  font-weight: 700;
}

@keyframes alpha-ring-breathe {
  0%,
  100% {
    transform: scale(0.98);
    opacity: 0.62;
  }
  50% {
    transform: scale(1.03);
    opacity: 1;
  }
}

@keyframes alpha-meter-pulse {
  0%,
  100% {
    filter: brightness(0.94);
  }
  50% {
    filter: brightness(1.18);
  }
}

.legal-doc {
  display: grid;
  gap: 22px;
}

.legal-doc section,
.legal-meta {
  display: grid;
  gap: 12px;
}

.legal-doc section {
  border-top: 1px solid var(--hairline);
  padding-top: 22px;
}

.legal-doc p,
.legal-doc li {
  color: var(--ink-muted);
  font-size: 14px;
}

.legal-doc ul {
  display: grid;
  gap: 8px;
  padding-left: 20px;
  list-style: disc;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-panel::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 60%;
  height: 180%;
  background: radial-gradient(ellipse at center, rgba(42, 106, 163, 0.06), transparent 60%);
  pointer-events: none;
}

.cta-panel > * {
  position: relative;
  z-index: 1;
}

.cta-panel h2 {
  max-width: 760px;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.16;
}

.cta-statement {
  display: grid;
  gap: 8px;
}

.cta-statement span {
  display: block;
}

.cta-statement span:last-child {
  width: fit-content;
  padding-bottom: 10px;
  background: linear-gradient(90deg, rgba(42, 106, 163, 0.18), rgba(42, 106, 163, 0));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 12px;
  color: var(--ink-strong);
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.68fr);
  align-items: start;
  gap: 48px;
}

.release-card,
.pricing-note {
  padding: 24px;
}

.release-card-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  border-radius: var(--radius-md);
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--success);
}

.release-meta {
  display: grid;
  gap: 15px;
  margin-top: 22px;
}

.release-meta div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  border-top: 1px solid var(--hairline);
  padding-top: 14px;
}

.release-meta dt {
  color: var(--ink-tertiary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.release-meta dd {
  color: var(--ink-muted);
  font-size: 14px;
}

.download-grid {
  grid-template-columns: 1.05fr 0.95fr;
}

.download-card.featured,
.pricing-card.featured {
  border-color: rgba(42, 106, 163, 0.55);
  background: var(--bg-card-glass);
}

.download-card .button,
.pricing-card .button {
  margin-top: 22px;
}

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

.command-grid h3 {
  margin-bottom: 10px;
  font-size: 16px;
}

.gate-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 28px;
}

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

.check-list li {
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 12px;
}

.pricing-note span {
  display: inline-flex;
  margin-bottom: 14px;
  border-radius: var(--radius-md);
}

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

.pricing-card {
  display: flex;
  min-height: 390px;
  flex-direction: column;
}

.pricing-card.unavailable {
  opacity: 0.58;
}

.pricing-card .price {
  margin-top: 16px;
  color: var(--ink);
  font-size: 36px;
  font-weight: 600;
  line-height: 1.1;
}

.pricing-card ul {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.pricing-card li {
  color: var(--ink-muted);
}

.pricing-card li::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--primary);
}

.pricing-card.unavailable li::before {
  background: var(--text-tertiary);
}

.pricing-card .button {
  align-self: flex-start;
  margin-top: auto;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.56);
  box-shadow: var(--shadow-glass);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  color: var(--ink-muted);
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid var(--hairline);
  padding: 14px 16px;
  text-align: left;
}

th {
  color: var(--ink);
  font-weight: 600;
}

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

.site-footer {
  border-top: 1px solid rgba(105, 144, 168, 0.12);
  background: rgba(238, 244, 248, 0.4);
  padding: 64px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(160px, 0.4fr));
  gap: 36px;
}

.site-footer h2 {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 13px;
}

.site-footer p,
.site-footer a {
  display: block;
  margin-top: 9px;
  color: var(--ink-subtle);
  font-size: 13px;
}

.site-footer a:hover {
  color: var(--ink);
}

@media (max-width: 1040px) {
  .hero-grid,
  .page-hero,
  .section-heading.split,
  .boundary-grid,
  .gate-grid,
  .mini-pricing,
  .notice-panel {
    grid-template-columns: 1fr;
  }

  .product-ui {
    grid-template-columns: 0.82fr 1.18fr;
  }

  .context-pane {
    grid-column: 1 / -1;
    border-top: 1px solid var(--hairline);
  }

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

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

  .feature-scene {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .feature-scene__copy {
    max-width: 680px;
  }

  .feature-visual {
    min-height: 320px;
  }

  .feature-scene--citation .ai-result-preview,
  .feature-scene--citation.is-card-open .ai-result-preview {
    position: relative;
    top: auto;
    left: auto;
    z-index: 3;
    justify-self: start;
    width: min(100%, 400px);
    height: 190px;
    aspect-ratio: auto;
    margin-top: 0;
    transform: none;
  }

  .alpha-cohort,
  .alpha-path,
  .alpha-brief-panel,
  .alpha-download-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: auto;
  }

  :root {
    --hero-sticky-offset: 118px;
  }

  .nav-shell {
    grid-template-columns: 1fr;
    height: auto;
    padding-block: 10px;
  }

  .nav-links {
    justify-content: stretch;
    order: 3;
    width: 100%;
    overflow-x: auto;
  }

  .nav-links a {
    flex: 0 0 auto;
    justify-content: center;
  }

  .nav-shell > .button {
    justify-self: start;
  }

  .section {
    padding-block: 64px;
  }

  .hero {
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .hero-cover {
    height: 180vh;
    padding-top: 0;
    padding-bottom: 0;
  }

  .hero-cover__inner {
    top: var(--hero-sticky-offset);
    height: calc(100vh - var(--hero-sticky-offset));
    padding-top: 18px;
  }

  .hero-cover h1 {
    margin-top: 0;
    width: 100%;
    font-size: clamp(32px, 8vw, 38px);
    line-height: 1.08;
  }

  .hero-cover .hero-lead {
    width: 100%;
    max-width: calc(100vw - 28px);
    overflow-wrap: anywhere;
    word-break: break-word;
    font-size: 18px;
  }

  .hero-cover .hero-lead span {
    display: inline;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .hero-download {
    min-height: 58px;
    font-size: 20px;
    padding: 15px 26px;
  }

  .hero-cover__frame {
    width: 106%;
    margin-top: -10px;
    transform: perspective(1000px) translate3d(0, var(--frame-y), 0) rotateX(var(--frame-rotate)) scale(var(--frame-scale));
  }

  .container {
    width: min(100% - 28px, var(--container));
  }

  .product-ui,
  .download-grid,
  .command-grid,
  .workflow-list,
  .workflow-steps,
  .pricing-grid,
  .feature-grid,
  .feature-inventory__grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .library-pane,
  .entry-pane {
    border-right: 0;
    border-bottom: 1px solid var(--hairline);
  }

  .cta-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .release-meta div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .feature-stage {
    scroll-margin-top: 150px;
    margin-top: 0;
    padding-block: 44px 56px;
  }

  .feature-stage h2 {
    font-size: clamp(38px, 13vw, 54px);
  }

  .feature-scenes {
    width: min(100% - 28px, 1180px);
    gap: 20px;
    margin-top: 28px;
  }

  .feature-scene {
    gap: 22px;
    padding: 24px 16px;
  }

  .feature-scene h3 {
    font-size: clamp(28px, 10vw, 38px);
  }

  .feature-scene__lead {
    margin-top: 16px;
  }

  .feature-visual {
    min-height: 260px;
  }

  .feature-visual--export {
    min-height: 300px;
  }

  .alpha-seat-card {
    min-height: 340px;
  }

  .seat-orbit {
    inset: 22px;
  }
}

@media (max-width: 460px) {
  h1 {
    font-size: 34px;
    line-height: 1.12;
  }

  .hero-cover h1 {
    max-width: 100%;
    font-size: 34px;
    line-height: 1.12;
  }

  .hero-cover__badge {
    display: none;
  }

  .hero-download {
    width: auto;
    max-width: 100%;
  }

  .hero-brand-card {
    align-items: flex-start;
    width: 100%;
  }

  .hero-brand-card img {
    width: 48px;
    height: 48px;
    border-radius: 8px;
  }

  .hero-brand-card span {
    font-size: 22px;
  }

  .button-row,
  .button {
    width: 100%;
  }

  .button {
    white-space: normal;
  }

  .hero-download {
    width: auto;
    min-height: 52px;
    gap: 8px;
    font-size: 17px;
    padding: 13px 20px;
  }

  .hero-download small {
    font-size: 12px;
  }

  .feature-card,
  .pricing-card,
  .download-card,
  .release-card,
  .pricing-note {
    padding: 18px;
  }

  .feature-kicker {
    font-size: 12px;
  }

  .feature-scene__copy p:not(.feature-scene__lead) {
    font-size: 14px;
  }

  .feature-visual {
    min-height: 292px;
  }

  .alpha-seat-card {
    padding: 24px 18px;
  }
}

.scene-hidden {
  opacity: 0;
  transform: translateY(28px);
}

.scene-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.feature-scene:nth-child(2).scene-visible { transition-delay: 0.06s; }
.feature-scene:nth-child(3).scene-visible { transition-delay: 0.12s; }
.feature-scene:nth-child(4).scene-visible { transition-delay: 0.18s; }
.feature-scene:nth-child(5).scene-visible { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }

  .seat-orbit,
  .seat-meter i {
    animation: none !important;
  }
}