:root {
  --bg: #06080b;
  --bg-2: #0a1118;
  --bg-3: #0f1722;
  --panel: rgba(11, 18, 26, 0.9);
  --panel-2: rgba(8, 13, 20, 0.94);
  --ink: #f5f7fb;
  --text: #b8c0d4;
  --muted: #8e9bb3;
  --line: rgba(111, 242, 191, 0.24);
  --line-soft: rgba(255, 255, 255, 0.08);
  --accent: #6ff2bf;
  --accent-2: #58aef8;
  --danger: #ff6868;
  --warn: #ffb457;
  --ok: #62e6a8;
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.5);
  --mono: "JetBrains Mono", "IBM Plex Mono", "Cascadia Code", monospace;
  --sans: "Space Grotesk", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
  background:
    radial-gradient(circle at 0 20%, rgba(111, 242, 191, 0.13), transparent 24rem),
    radial-gradient(circle at 100% 12%, rgba(255, 104, 104, 0.12), transparent 24rem),
    linear-gradient(180deg, #04070b 0%, #071018 45%, #04070b 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(111, 242, 191, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 242, 191, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0.2));
}

a {
  color: var(--accent);
}

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

code,
pre,
.eyebrow,
.stat-label,
.tag,
.pill,
.mini-pill,
.nav-links a,
.brand,
.copy-button {
  font-family: var(--mono);
}

.shell {
  width: min(1320px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

section[id] {
  scroll-margin-top: 7rem;
}

.nav {
  position: sticky;
  top: 0.8rem;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
  padding: 0.95rem 1.2rem;
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  background: rgba(5, 10, 15, 0.84);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.brand {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(111, 242, 191, 0.24);
  border-radius: 14px;
  background: rgba(111, 242, 191, 0.08);
  color: var(--accent);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: currentColor;
}

.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;
}

.nav-links {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: 0.8rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  position: relative;
  padding: 0.3rem 0;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="true"] {
  color: var(--accent);
}

.nav-links a[aria-current="true"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.55rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.hero {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(111, 242, 191, 0.16);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(8, 14, 22, 0.96), rgba(5, 8, 14, 0.98)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
  box-shadow: var(--shadow);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0%, rgba(111, 242, 191, 0.06) 50%, transparent 100%),
    radial-gradient(circle at 84% 16%, rgba(255, 104, 104, 0.2), transparent 20rem);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
  gap: 1.25rem;
  padding: 2rem;
}

.hero-copy h1 {
  margin: 0.9rem 0 1rem;
  max-width: 11.5ch;
  font-size: clamp(2.4rem, 4.3vw, 4.35rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.hero-copy h1 span {
  display: block;
}

.hero-id {
  margin-bottom: 0.25rem;
  color: #cceee0;
  font-size: 0.42em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title-sub {
  margin-top: 0.35rem;
  max-width: 16ch;
  color: #d5deee;
  font-size: 0.7em;
  line-height: 1.02;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.85rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 104, 104, 0.38);
  background: rgba(255, 104, 104, 0.1);
  color: #ff9f9f;
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sub,
.panel p,
.panel li,
.source-card li,
.timeline-item p,
.stat-card p,
.request-head p {
  color: var(--text);
}

.sub {
  max-width: 46rem;
  margin: 0 0 1.1rem;
  font-size: 1rem;
}

.compact-status-card {
  border-color: rgba(88, 174, 248, 0.18);
  background:
    linear-gradient(180deg, rgba(88, 174, 248, 0.06), rgba(88, 174, 248, 0.02) 7rem),
    var(--panel);
}

.compact-status-list {
  display: grid;
  gap: 0.55rem;
}

.compact-status-list span {
  display: block;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.4;
}

.hero-links-card .badge-links {
  gap: 0.65rem;
}

.hero-cta-row {
  margin-top: 0.85rem;
}

.meta-strip,
.cta-row,
.chips,
.badge-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.pill,
.tag,
.mini-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.5rem 0.82rem;
  border: 1px solid var(--line-soft);
  border-radius: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pill {
  font-size: 0.82rem;
}

.pill-danger {
  border-color: rgba(255, 104, 104, 0.38);
  color: #ff9d9d;
  background: rgba(255, 104, 104, 0.08);
}

.pill-info {
  border-color: rgba(88, 174, 248, 0.38);
  color: #8dcbff;
  background: rgba(88, 174, 248, 0.08);
}

.pill-warn {
  border-color: rgba(255, 180, 87, 0.38);
  color: #ffd08c;
  background: rgba(255, 180, 87, 0.08);
}

.pill-ok {
  border-color: rgba(98, 230, 168, 0.38);
  color: #8cf0ba;
  background: rgba(98, 230, 168, 0.08);
}

.hero-artifact-inline {
  margin: 0.4rem 0 1rem;
}

.hero-artifact-inline img {
  width: 100%;
}

.button,
.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.78rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(111, 242, 191, 0.22);
  font-weight: 700;
  text-decoration: none;
}

.button {
  color: var(--ink);
  background: linear-gradient(135deg, rgba(111, 242, 191, 0.2), rgba(88, 174, 248, 0.16));
}

.ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.request-panel,
.stat-card,
.panel,
.source-card,
.image-card,
.code-card {
  border: 1px solid var(--line-soft);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
}

.request-panel {
  margin: 0 0 1rem;
  padding: 1rem;
}

.request-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.request-head h2 {
  margin: 0;
  font-size: 1.22rem;
}

.request-head p {
  margin: 0.3rem 0 0;
}

.request-note {
  margin: 0.9rem 0 0;
  color: var(--text);
}

.request-note strong {
  color: var(--ink);
}

.mini-pill {
  min-height: auto;
  padding: 0.45rem 0.7rem;
  color: var(--accent);
  font-size: 0.76rem;
  background: rgba(111, 242, 191, 0.08);
}

.hero-side {
  display: grid;
  align-content: start;
  gap: 0.85rem;
}

.stat-card {
  padding: 1rem;
}

.card-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}

.card-toggle .stat-label {
  margin-bottom: 0.55rem;
}

.card-toggle-icon {
  display: none;
  position: relative;
  width: 0.9rem;
  height: 0.9rem;
  margin-top: -0.35rem;
  flex: 0 0 auto;
}

.card-toggle-icon::before,
.card-toggle-icon::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.8rem;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  transform: translate(-50%, -50%);
}

.card-toggle-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.card-body {
  display: block;
}

.stat-label {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--accent);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.facts-list {
  margin: 0;
}

.facts-list div {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0.75rem;
  padding: 0.62rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.facts-list div:first-child {
  border-top: 0;
  padding-top: 0;
}

.facts-list dt {
  color: var(--text);
}

.facts-list dd {
  margin: 0;
  color: var(--ink);
  text-align: right;
}

.flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.flow-list li {
  position: relative;
  margin: 0;
  padding: 0.4rem 0 0.4rem 3rem;
  color: var(--text);
  counter-increment: flow;
}

.flow-list li::before {
  content: counter(flow);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid rgba(111, 242, 191, 0.4);
  color: var(--accent);
  background: rgba(111, 242, 191, 0.06);
}

.flow-list li:last-child {
  color: #ff8888;
  font-weight: 700;
}

.flow-list li:last-child::before {
  border-color: rgba(255, 104, 104, 0.4);
  color: #ff9999;
  background: rgba(255, 104, 104, 0.08);
}

.compact-flow li {
  padding-top: 0.32rem;
  padding-bottom: 0.32rem;
}

.compact-flow li::before {
  top: 0;
  width: 1.8rem;
  height: 1.8rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.15rem;
  margin-top: 1.25rem;
}

.panel,
.source-card {
  padding: 1.3rem;
}

.panel {
  margin-bottom: 1rem;
}

.panel h2 {
  margin: 0 0 0.8rem;
  font-size: 1.48rem;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.panel ol,
.panel ul,
.source-card ol,
.source-card ul {
  padding-left: 1.2rem;
}

.summary-panel {
  border-color: rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015) 7rem),
    var(--panel-2);
}

.summary-head h2 {
  margin: 0.2rem 0 0.75rem;
}

.summary-lead {
  margin: 0 0 1.15rem;
  font-size: 1.02rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  align-items: start;
}

.summary-block {
  min-height: 100%;
  padding: 1rem 1.05rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.summary-block h3 {
  margin: 0 0 0.7rem;
  color: var(--ink);
  font-size: 0.98rem;
  letter-spacing: -0.01em;
}

.summary-block p {
  margin: 0;
}

.takeaway-block {
  border-top-color: rgba(111, 242, 191, 0.35);
}

.chips {
  margin-top: 1rem;
}

.chips-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.tag {
  min-height: auto;
  padding: 0.42rem 0.72rem;
  color: #d8e2f4;
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.82rem;
  justify-content: flex-start;
}

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

.firmware-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.limit-card {
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.limit-card h3 {
  margin: 0 0 0.55rem;
  color: var(--accent);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.firmware-card ul {
  margin: 0;
}

.timeline {
  position: relative;
  display: grid;
  gap: 0.95rem;
  padding-left: 0.35rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0.42rem;
  top: 0.7rem;
  bottom: 0.7rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(111, 242, 191, 0.7), rgba(88, 174, 248, 0.18));
}

.timeline-item {
  position: relative;
  padding: 1rem;
  padding-left: 1.2rem;
  border-left: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -0.02rem;
  top: 1.15rem;
  width: 0.7rem;
  height: 0.7rem;
  border: 1px solid rgba(111, 242, 191, 0.55);
  border-radius: 999px;
  background: #081018;
  box-shadow: 0 0 0 6px rgba(8, 16, 24, 0.95);
}

.timeline-item strong {
  color: var(--ink);
}

.timeline-item p {
  margin: 0.35rem 0 0;
}

.code-card {
  overflow: hidden;
  margin-top: 1rem;
}

.code-hot {
  display: block;
  margin: 0 -1.05rem;
  padding: 0 1.05rem;
  border-left: 3px solid rgba(255, 208, 92, 0.95);
  background: rgba(255, 208, 92, 0.16);
  color: #ffe7a6;
}

.request-code-accent {
  display: block;
  color: #ffd88a;
}

.code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
}

.code-head strong,
.code-head span {
  display: block;
}

.code-head span {
  color: var(--muted);
  font-size: 0.88rem;
}

.code-head span + span {
  margin-top: 0.2rem;
}

.copy-button {
  border: 1px solid rgba(111, 242, 191, 0.28);
  border-radius: 12px;
  background: rgba(111, 242, 191, 0.08);
  color: var(--accent);
  padding: 0.55rem 0.8rem;
  font-size: 0.78rem;
  cursor: pointer;
}

pre {
  margin: 0;
  padding: 1rem 1.05rem 1.1rem;
  overflow-x: auto;
  background: linear-gradient(180deg, rgba(3, 8, 13, 0.92), rgba(4, 9, 14, 0.98));
  color: #d7fff1;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.68;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

code {
  font-family: var(--mono);
  font-size: 0.94em;
  color: #d9fff2;
  background: linear-gradient(180deg, rgba(22, 33, 45, 0.96), rgba(11, 19, 28, 0.98));
  border: 1px solid rgba(88, 228, 183, 0.2);
  border-radius: 0.45rem;
  padding: 0.12rem 0.42rem 0.18rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

pre code {
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

.image-card {
  overflow: hidden;
}

.image-card img {
  width: 100%;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
  border-bottom: 1px solid var(--line-soft);
}

.image-card video {
  display: block;
  width: 100%;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
  border-bottom: 1px solid var(--line-soft);
  background: #000;
}

.image-card figcaption {
  padding: 1rem;
  color: var(--text);
}

.figure-panel img {
  aspect-ratio: auto;
  object-fit: contain;
}

.figure-panel video {
  aspect-ratio: auto;
  object-fit: contain;
}

.validation-panel {
  overflow: hidden;
  border-color: rgba(88, 174, 248, 0.18);
  background:
    linear-gradient(180deg, rgba(8, 14, 22, 0.96), rgba(5, 10, 16, 0.98)),
    radial-gradient(circle at 0 0, rgba(88, 174, 248, 0.08), transparent 28rem);
}

.validation-shell {
  display: grid;
  max-width: 1220px;
  margin: 0 auto;
  gap: 1.5rem;
}

.validation-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: flex-start;
  gap: 2rem;
}

.validation-title-group {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.validation-title-group h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.05;
}

.validation-title-group p {
  max-width: 48rem;
  margin: 0;
  font-size: 1.02rem;
}

.validation-icon {
  flex: 0 0 auto;
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  border: 1px solid rgba(111, 242, 191, 0.34);
  background: rgba(111, 242, 191, 0.08);
  box-shadow: inset 0 0 0 1px rgba(111, 242, 191, 0.08);
}

.validation-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.validation-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem;
}

.validation-tags span,
.validation-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.95rem;
  border-radius: 14px;
  border: 1px solid rgba(88, 174, 248, 0.28);
  background: rgba(88, 174, 248, 0.08);
  color: #67d3ff;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.validation-tags span:nth-child(2) {
  border-color: rgba(111, 242, 191, 0.28);
  background: rgba(111, 242, 191, 0.07);
  color: var(--accent);
}

.validation-tags span:nth-child(3) {
  border-color: rgba(197, 127, 255, 0.25);
  background: rgba(197, 127, 255, 0.08);
  color: #d0a5ff;
}

.validation-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

.validation-primary-card,
.validation-secondary-card {
  border: 1px solid rgba(80, 190, 210, 0.22);
  border-radius: 24px;
  background: rgba(8, 16, 24, 0.82);
  box-shadow: inset 0 0 0 1px rgba(88, 174, 248, 0.06);
}

.validation-primary-card {
  padding: 1.65rem;
}

.validation-primary-copy,
.validation-secondary-copy {
  display: flex;
  flex-direction: column;
}

.validation-primary-card h3,
.validation-secondary-copy h3 {
  margin: 0.9rem 0 0.75rem;
  font-size: clamp(1.45rem, 2.1vw, 2rem);
  line-height: 1.1;
}

.validation-caption,
.validation-secondary-copy p {
  font-size: 1rem;
}

.validation-caption {
  margin: 1rem 0 0;
  max-width: 40rem;
}

.validation-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.95rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(88, 174, 248, 0.14);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.9rem;
}

.validation-media-frame {
  margin: 1rem 0 0;
  border-radius: 18px;
}

.validation-media-frame video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-bottom: 0;
  border-radius: 18px;
  background: #000;
  object-fit: contain;
}

.validation-support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.validation-secondary-card {
  width: min(100%, 760px);
  padding: 1.5rem 1.55rem;
  align-items: start;
}

.validation-secondary-copy h3 {
  max-width: none;
}

.validation-secondary-copy p {
  margin: 0 0 1rem;
}

.hero-artifact figcaption {
  font-size: 0.88rem;
}

.sidebar {
  position: sticky;
  top: 5.8rem;
  align-self: start;
  display: grid;
  gap: 0.9rem;
}

.source-card h3 {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.92rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.source-card a {
  color: #bdf8dc;
}

.reference-cards {
  display: grid;
  gap: 0.75rem;
}

.reference-card {
  display: block;
  padding: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
}

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

.reference-card strong {
  color: var(--ink);
}

.reference-card span {
  margin-top: 0.2rem;
  color: var(--text);
  font-size: 0.9rem;
}

.upcoming-list {
  display: grid;
  gap: 0.8rem;
}

.upcoming-item {
  padding: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.upcoming-item p {
  margin: 0.45rem 0 0;
  color: var(--text);
}

.upcoming-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.impact-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.36rem 0.62rem;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.impact-critical {
  border: 1px solid rgba(255, 104, 104, 0.34);
  background: rgba(255, 104, 104, 0.1);
  color: #ff9d9d;
}

.impact-high {
  border: 1px solid rgba(255, 180, 87, 0.34);
  background: rgba(255, 180, 87, 0.1);
  color: #ffd08c;
}

.upcoming-critical {
  border-color: rgba(255, 104, 104, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 104, 104, 0.04);
}

.upcoming-high {
  border-color: rgba(255, 180, 87, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 180, 87, 0.04);
}

.badge-links img {
  display: block;
}

.footer {
  margin-top: 1.8rem;
  padding-top: 0.6rem;
  color: var(--muted);
  text-align: center;
  font-size: 0.92rem;
}

.timeline-panel {
  margin-top: 1.2rem;
}

@media (max-width: 1080px) {
  .hero-grid,
  .layout {
    grid-template-columns: 1fr;
  }

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

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

  .validation-title-group {
    flex-direction: column;
  }

  .validation-tags {
    justify-content: flex-start;
  }

  .validation-main,
  .validation-support-grid,
  .validation-secondary-card {
    grid-template-columns: 1fr;
  }

  .summary-grid,
  .firmware-grid,
  .limit-grid {
    grid-template-columns: 1fr;
  }

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

  .facts-list div {
    grid-template-columns: 1fr;
  }

  .facts-list dd {
    text-align: left;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 1rem;
  }

  .shell {
    width: min(100% - 0.75rem, 1320px);
    padding: 0.75rem 0 3rem;
  }

  body::before {
    opacity: 0.1;
  }

  .validation-title-group h2 {
    font-size: 1.9rem;
  }

  .validation-primary-card h3,
  .validation-secondary-copy h3 {
    font-size: 1.45rem;
  }

  .nav {
    position: static;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.72rem 0.85rem;
    border-radius: 18px;
  }

  .brand {
    font-size: 0.88rem;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding-top: 0.15rem;
  }

  .nav[data-open="true"] .nav-links {
    display: flex;
  }

  .nav-links a {
    white-space: normal;
    font-size: 0.82rem;
    padding: 0.58rem 0.2rem;
  }

  .nav-links a[aria-current="true"]::after {
    bottom: 0.18rem;
  }

  .hero-grid,
  .panel,
  .stat-card,
  .source-card {
    padding: 1rem;
  }

  .hero,
  .panel,
  .request-panel,
  .stat-card,
  .source-card,
  .timeline-panel {
    border-radius: 22px;
  }

  .hero-grid {
    gap: 0.9rem;
    padding: 1rem;
  }

  .hero-copy h1 {
    margin: 0.75rem 0 0.9rem;
    max-width: none;
    font-size: 1.92rem;
    line-height: 1.02;
  }

  .hero-title-sub {
    max-width: none;
    font-size: 0.68em;
  }

  .sub,
  .summary-lead,
  .panel p,
  .panel li,
  .source-card li,
  .timeline-item p,
  .stat-card p,
  .request-head p,
  .request-note {
    font-size: 0.98rem;
    line-height: 1.72;
  }

  .eyebrow,
  .pill,
  .tag,
  .mini-pill {
    font-size: 0.74rem;
  }

  .meta-strip,
  .chips {
    gap: 0.45rem;
  }

  .pill,
  .tag,
  .mini-pill {
    padding: 0.38rem 0.58rem;
  }

  .badge-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.55rem;
  }

  .badge-links a,
  .badge-links img {
    width: 100%;
  }

  .hero-links-card {
    padding: 0.9rem;
  }

  .hero-links-card .badge-links img {
    max-height: 28px;
    object-fit: contain;
  }

  .hero-links-card .button,
  .hero-links-card .ghost {
    min-height: 42px;
    padding: 0.65rem 0.8rem;
    font-size: 0.88rem;
  }

  .mobile-collapsible .card-toggle {
    cursor: pointer;
  }

  .mobile-collapsible .card-toggle .stat-label {
    margin-bottom: 0;
  }

  .mobile-collapsible .card-toggle-icon {
    display: inline-block;
  }

  .mobile-collapsible[data-collapsed="true"] .card-body {
    display: none;
  }

  .mobile-collapsible[data-collapsed="false"] .card-toggle-icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  .hero-cta-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .button,
  .ghost {
    width: 100%;
    min-height: 48px;
  }

  .code-head,
  .request-head {
    align-items: flex-start;
    flex-direction: column;
  }

  pre {
    padding: 0.9rem;
    font-size: 0.8rem;
    line-height: 1.62;
  }

  .code-hot {
    margin: 0 -0.9rem;
    padding: 0 0.9rem;
  }

  .facts-list div,
  .upcoming-head {
    gap: 0.45rem;
  }

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

  .upcoming-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .timeline-item {
    padding: 0.9rem;
  }

  .validation-shell,
  .validation-main,
  .validation-support-grid {
    gap: 1rem;
  }

  .validation-primary-card,
  .validation-secondary-card {
    padding: 1.1rem;
  }

  .validation-icon {
    width: 56px;
    height: 56px;
  }

  .validation-tags span,
  .validation-kicker {
    padding: 0.5rem 0.78rem;
    font-size: 0.74rem;
  }

  .footer {
    font-size: 0.86rem;
    line-height: 1.65;
  }
}

@media (max-width: 540px) {
  .hero-copy h1 {
    font-size: 1.62rem;
  }

  .validation-title-group h2 {
    font-size: 1.68rem;
  }

  .hero-side,
  .sidebar {
    grid-template-columns: 1fr;
  }

  .badge-links {
    grid-template-columns: 1fr;
  }

  .hero-cta-row {
    grid-template-columns: 1fr;
  }

  .button,
  .ghost {
    min-height: 46px;
  }

  .hero,
  .panel,
  .request-panel,
  .stat-card,
  .source-card,
  .timeline-panel {
    border-radius: 18px;
  }
}