:root {
  color-scheme: dark;
  --bg: #05080f;
  --panel: rgba(12, 24, 39, 0.78);
  --panel-strong: rgba(14, 32, 52, 0.94);
  --line: rgba(117, 217, 255, 0.22);
  --line-strong: rgba(121, 229, 255, 0.48);
  --text: #e9f7ff;
  --muted: #92a9bb;
  --soft: #c8d8e4;
  --cyan: #53e6ff;
  --blue: #2f7dff;
  --gold: #f0c56a;
  --green: #5bf7b2;
  --red: #ff6b8b;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.44);
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 70% 10%, rgba(83, 230, 255, 0.14), transparent 28rem),
    radial-gradient(circle at 12% 18%, rgba(240, 197, 106, 0.11), transparent 24rem),
    linear-gradient(140deg, #04060c 0%, #06101c 46%, #03060a 100%);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body.detail-mode .technical-detail {
  display: block;
}

body.detail-mode #viewToggle {
  border-color: rgba(240, 197, 106, 0.72);
  color: #06101c;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
}

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

button {
  font: inherit;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 72%, transparent);
}

.ambient {
  position: fixed;
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  pointer-events: none;
  z-index: -2;
  filter: blur(26px);
  opacity: 0.42;
  animation: drift 14s ease-in-out infinite alternate;
}

.ambient-a {
  top: 12vh;
  right: 5vw;
  background: radial-gradient(circle, rgba(83, 230, 255, 0.26), transparent 65%);
}

.ambient-b {
  left: -8vw;
  bottom: 4vh;
  background: radial-gradient(circle, rgba(240, 197, 106, 0.2), transparent 64%);
  animation-delay: -5s;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(117, 217, 255, 0.14);
  background: linear-gradient(180deg, rgba(3, 7, 13, 0.9), rgba(3, 7, 13, 0.58));
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 13rem;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 0.7rem;
  color: var(--cyan);
  font-family: var(--font-display);
  font-weight: 800;
  background: linear-gradient(145deg, rgba(83, 230, 255, 0.16), rgba(240, 197, 106, 0.1));
  box-shadow: 0 0 24px rgba(83, 230, 255, 0.22);
}

.brand strong {
  display: block;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
}

.brand small {
  display: block;
  margin-top: 0.12rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.22rem;
  border: 1px solid rgba(117, 217, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
}

.nav a {
  padding: 0.46rem 0.75rem;
  border-radius: 999px;
  color: var(--soft);
  font-size: 0.86rem;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav a:hover,
.nav a.active {
  color: #06101c;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
}

.toolbar {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  min-width: 13rem;
}

.ghost-button,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ghost-button {
  border: 1px solid rgba(117, 217, 255, 0.26);
  color: var(--text);
  background: rgba(8, 20, 34, 0.72);
  padding: 0 0.85rem;
  font-size: 0.83rem;
}

.ghost-button:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

.chapter-rail {
  position: fixed;
  z-index: 15;
  top: 50%;
  right: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transform: translateY(-50%);
}

.chapter-rail a {
  position: relative;
  width: 0.7rem;
  height: 0.7rem;
  border: 1px solid rgba(117, 217, 255, 0.45);
  border-radius: 50%;
  background: rgba(8, 20, 34, 0.72);
}

.chapter-rail a.active {
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(83, 230, 255, 0.9);
}

.chapter-rail a::after {
  content: attr(data-label);
  position: absolute;
  top: 50%;
  right: 1.05rem;
  min-width: 3rem;
  color: var(--muted);
  font-size: 0.75rem;
  text-align: right;
  opacity: 0;
  transform: translateY(-50%) translateX(0.3rem);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.chapter-rail a:hover::after,
.chapter-rail a.active::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.section {
  position: relative;
  min-height: 100vh;
  padding: clamp(6rem, 11vh, 8rem) clamp(1.2rem, 6vw, 6rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero {
  padding-top: 7.5rem;
}

.hero-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(22rem, 0.95fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.split.reverse {
  grid-template-columns: minmax(20rem, 0.9fr) minmax(0, 1.1fr);
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 58rem;
  margin-bottom: 1.35rem;
  font-size: clamp(3.4rem, 7.2vw, 7.2rem);
  text-wrap: balance;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4.7vw, 4.7rem);
  text-wrap: balance;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: clamp(1.15rem, 1.8vw, 1.55rem);
}

p {
  color: var(--soft);
  line-height: 1.9;
}

.technical-detail {
  display: none;
  margin-top: 0.85rem;
  border-top: 1px solid rgba(117, 217, 255, 0.16);
  padding-top: 0.85rem;
  color: #f4dfb0;
  font-size: 0.92rem;
}

.hero-lede {
  max-width: 50rem;
  margin-bottom: 2rem;
  color: #d7eaf6;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.primary-button {
  border: 0;
  color: #06101c;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  padding: 0 1.25rem;
  font-weight: 800;
  box-shadow: 0 18px 42px rgba(83, 230, 255, 0.23);
}

.secondary-button {
  border: 1px solid rgba(117, 217, 255, 0.28);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  padding: 0 1.15rem;
}

.command-orb {
  position: relative;
  display: grid;
  min-height: clamp(22rem, 42vw, 34rem);
  place-items: center;
}

.command-orb::before,
.command-orb::after {
  content: "";
  position: absolute;
  inset: 11%;
  border: 1px solid rgba(117, 217, 255, 0.2);
  border-radius: 50%;
  animation: spin 24s linear infinite;
}

.command-orb::after {
  inset: 23%;
  border-color: rgba(240, 197, 106, 0.22);
  animation-duration: 18s;
  animation-direction: reverse;
}

.orb-core {
  position: relative;
  z-index: 2;
  display: grid;
  width: clamp(12rem, 22vw, 17rem);
  height: clamp(12rem, 22vw, 17rem);
  place-items: center;
  border: 1px solid rgba(117, 217, 255, 0.42);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 40%, rgba(83, 230, 255, 0.2), transparent 62%),
    linear-gradient(145deg, rgba(8, 20, 34, 0.9), rgba(19, 42, 63, 0.78));
  box-shadow:
    inset 0 0 42px rgba(83, 230, 255, 0.18),
    0 30px 80px rgba(0, 0, 0, 0.48);
  text-align: center;
}

.orb-core span {
  align-self: end;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
}

.orb-core strong {
  align-self: start;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3.6rem);
}

.orbit {
  position: absolute;
  z-index: 3;
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(117, 217, 255, 0.28);
  border-radius: 999px;
  color: #dff8ff;
  background: rgba(7, 17, 29, 0.86);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
  font-size: 0.9rem;
}

.orbit-1 {
  top: 16%;
  left: 15%;
}

.orbit-2 {
  top: 22%;
  right: 8%;
}

.orbit-3 {
  bottom: 19%;
  left: 7%;
}

.orbit-4 {
  right: 13%;
  bottom: 16%;
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.metrics-strip article,
.glass-card,
.platform-node,
.asset-chain article,
.data-hero-card,
.signal-panel,
.scope-grid article,
.signal-grid article,
.risk-map article,
.final-card,
.evidence-card,
.evidence-ledger article {
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025)),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.metrics-strip article {
  position: relative;
  overflow: hidden;
  padding: 1.05rem;
  border-radius: 1.2rem;
}

.metrics-strip article::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(83, 230, 255, 0.16), transparent);
  transform: translateX(-100%);
  animation: scan 5.5s ease-in-out infinite;
}

.metrics-strip span,
.metrics-strip small {
  display: block;
  color: var(--muted);
}

.metrics-strip strong {
  display: block;
  margin: 0.4rem 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 3rem);
}

.section-heading {
  max-width: 58rem;
}

.section-heading.centered {
  max-width: 70rem;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.section-heading.centered p {
  margin-left: auto;
  margin-right: auto;
  max-width: 62rem;
}

.value-stack {
  display: grid;
  gap: 1rem;
}

.timeline-lane {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 2rem;
}

.timeline-lane article {
  position: relative;
  min-height: 18rem;
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  padding: 1.25rem;
  background:
    linear-gradient(180deg, rgba(83, 230, 255, 0.08), rgba(255, 255, 255, 0.025)),
    var(--panel);
  box-shadow: var(--shadow);
}

.timeline-lane article::before {
  content: "";
  position: absolute;
  top: 3.4rem;
  left: 1.25rem;
  right: -1rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(83, 230, 255, 0.65), transparent);
}

.timeline-lane article:last-child::before {
  right: 1.25rem;
  background: linear-gradient(90deg, rgba(240, 197, 106, 0.65), transparent);
}

.timeline-lane span {
  display: inline-flex;
  margin-bottom: 4.3rem;
  color: var(--gold);
  font-size: 0.95rem;
}

.dashboard-section .section-heading {
  max-width: 70rem;
}

.data-dashboard {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.data-hero-card {
  min-height: 15rem;
  border-radius: 1.35rem;
  padding: 1.35rem;
}

.data-hero-card span {
  color: var(--muted);
}

.data-hero-card strong {
  display: block;
  margin: 0.65rem 0 0.8rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1;
}

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

.signal-panel {
  border-radius: 1.35rem;
  padding: 1.25rem;
}

.signal-panel h3 {
  color: var(--cyan);
}

.signal-bar {
  display: grid;
  grid-template-columns: 5.4rem 1fr;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.signal-bar span {
  color: var(--soft);
}

.signal-bar i {
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: flex-end;
  min-height: 2.2rem;
  border: 1px solid rgba(117, 217, 255, 0.18);
  border-radius: 999px;
  padding: 0.42rem 0.75rem;
  color: #06101c;
  font-style: normal;
  font-weight: 800;
  background: rgba(83, 230, 255, 0.08);
}

.signal-bar i::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--bar);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  z-index: -1;
}

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

.scope-grid article {
  min-height: 15rem;
  border-radius: 1.3rem;
  padding: 1.15rem;
}

.scope-grid small {
  color: var(--gold);
}

.scope-grid h3 {
  margin-top: 0.55rem;
  color: var(--cyan);
}

.scope-grid b {
  display: block;
  margin-top: 1rem;
  color: #f4dfb0;
  font-weight: 700;
}

.glass-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 2vw, 1.65rem);
  border-radius: 1.4rem;
}

.glass-card.large {
  min-height: 12rem;
}

.glass-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 8rem;
  height: 8rem;
  background: radial-gradient(circle, rgba(83, 230, 255, 0.2), transparent 65%);
  transform: translate(35%, -35%);
}

.card-index {
  display: inline-flex;
  margin-bottom: 1.2rem;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.platform-board {
  position: relative;
  max-width: 76rem;
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid rgba(117, 217, 255, 0.18);
  border-radius: 2rem;
  background: rgba(3, 9, 16, 0.54);
}

.capability-ring {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.4rem;
}

.capability-ring span,
.bullet-grid span,
.closing-line span,
.modal-tags span {
  border: 1px solid rgba(117, 217, 255, 0.2);
  border-radius: 999px;
  color: #d9f7ff;
  background: rgba(83, 230, 255, 0.07);
}

.capability-ring span {
  padding: 0.65rem 0.75rem;
  text-align: center;
  font-size: 0.86rem;
}

.platform-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.85rem;
  align-items: stretch;
}

.platform-node {
  display: block;
  padding: 1.35rem;
  border-radius: 1.4rem;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.platform-login-link:hover {
  border-color: rgba(83, 230, 255, 0.75);
  transform: translateY(-4px);
}

.login-chip {
  display: inline-flex;
  margin-top: 0.7rem;
  border: 1px solid rgba(117, 217, 255, 0.26);
  border-radius: 999px;
  padding: 0.42rem 0.72rem;
  color: #06101c;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  font-size: 0.84rem;
  font-weight: 800;
}

.platform-node small {
  color: var(--muted);
}

.platform-node h3 {
  margin: 0.45rem 0 0.8rem;
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
}

.platform-node.primary {
  border-color: rgba(83, 230, 255, 0.48);
}

.platform-node.secondary h3 {
  color: var(--gold);
}

.platform-node.muted h3 {
  color: var(--green);
}

.flow-line {
  align-self: center;
  width: clamp(2rem, 4vw, 4rem);
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  box-shadow: 0 0 16px rgba(83, 230, 255, 0.55);
}

.asset-chain {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 2rem;
}

.asset-chain article {
  position: relative;
  min-height: 20rem;
  padding: 1.25rem;
  border-radius: 1.3rem;
}

.asset-chain article:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 2.25rem;
  right: -0.65rem;
  z-index: 2;
  width: 1.2rem;
  height: 1.2rem;
  border-top: 2px solid rgba(83, 230, 255, 0.72);
  border-right: 2px solid rgba(83, 230, 255, 0.72);
  transform: rotate(45deg);
}

.asset-chain span {
  display: inline-flex;
  margin-bottom: 5.2rem;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 2.2rem;
}

.ops-panel {
  display: grid;
  place-items: center;
}

.radar {
  position: relative;
  display: grid;
  width: min(35rem, 80vw);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(117, 217, 255, 0.22);
  border-radius: 50%;
  background:
    conic-gradient(from 0deg, rgba(83, 230, 255, 0.28), transparent 72deg, transparent 360deg),
    radial-gradient(circle, rgba(83, 230, 255, 0.12), transparent 58%);
  box-shadow: inset 0 0 60px rgba(83, 230, 255, 0.12), var(--shadow);
  animation: radarSweep 4s linear infinite;
}

.radar span {
  position: absolute;
  border: 1px solid rgba(117, 217, 255, 0.26);
  border-radius: 50%;
}

.radar span:nth-child(1) {
  inset: 16%;
}

.radar span:nth-child(2) {
  inset: 32%;
}

.radar span:nth-child(3) {
  inset: 48%;
}

.radar i {
  z-index: 2;
  width: 8rem;
  height: 8rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(117, 217, 255, 0.4);
  border-radius: 50%;
  color: var(--text);
  background: rgba(7, 17, 29, 0.84);
  font-style: normal;
}

.bullet-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.4rem 0;
}

.bullet-grid span {
  padding: 0.78rem 0.9rem;
}

.safe-note {
  border-left: 3px solid var(--gold);
  padding-left: 1rem;
  color: #f4dfb0;
}

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

.signal-grid article {
  min-height: 13rem;
  padding: 1.35rem;
  border-radius: 1.3rem;
}

.signal-grid b {
  display: block;
  margin-bottom: 1.1rem;
  color: var(--cyan);
  font-size: 1.25rem;
}

.signal-grid span {
  color: var(--soft);
  line-height: 1.9;
}

.evidence-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.evidence-card {
  min-height: 13rem;
  padding: 1.25rem;
  border-radius: 1.3rem;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.evidence-card:hover {
  border-color: rgba(83, 230, 255, 0.7);
  transform: translateY(-4px);
}

.evidence-card small {
  color: var(--muted);
}

.evidence-card strong {
  display: block;
  margin: 1rem 0 0.75rem;
  color: var(--gold);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.evidence-card span {
  color: var(--soft);
  line-height: 1.8;
}

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

.evidence-ledger article {
  min-height: 10rem;
  border-radius: 1.2rem;
  padding: 1rem;
}

.evidence-ledger span {
  display: block;
  color: var(--muted);
}

.evidence-ledger strong {
  display: block;
  margin: 0.65rem 0;
  color: var(--cyan);
  font-size: 1.06rem;
}

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

.risk-map article {
  min-height: 18rem;
  padding: 1.25rem;
  border-radius: 1.3rem;
}

.risk-map span {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--red);
  font-size: 0.9rem;
}

.risk-map strong {
  display: block;
  margin-bottom: 1rem;
  color: var(--text);
  font-size: 1.35rem;
}

.final-section {
  min-height: 92vh;
}

.final-card {
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(1.8rem, 4vw, 3.6rem);
  border-radius: 2rem;
  text-align: center;
}

.final-card h2 {
  font-size: clamp(2.2rem, 5vw, 5.2rem);
}

.final-card p {
  max-width: 60rem;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.08rem;
}

.closing-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.closing-line span {
  padding: 0.7rem 1rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  place-items: center;
  padding: 1rem;
  background: rgba(1, 4, 9, 0.72);
  backdrop-filter: blur(12px);
}

.modal[aria-hidden="false"] {
  display: grid;
}

.modal-panel {
  width: min(42rem, 94vw);
  border: 1px solid rgba(117, 217, 255, 0.34);
  border-radius: 1.5rem;
  padding: 1.5rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    var(--panel-strong);
  box-shadow: var(--shadow);
}

.modal-close {
  float: right;
  border: 1px solid rgba(117, 217, 255, 0.24);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.25rem;
}

.modal-tags span {
  padding: 0.45rem 0.7rem;
  font-size: 0.85rem;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 {
  transition-delay: 0.12s;
}

.delay-2 {
  transition-delay: 0.24s;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }

  to {
    transform: translate3d(2rem, -1.2rem, 0) scale(1.08);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes scan {
  0%,
  35% {
    transform: translateX(-100%);
  }

  72%,
  100% {
    transform: translateX(100%);
  }
}

@keyframes radarSweep {
  to {
    filter: hue-rotate(18deg);
  }
}

@media (max-width: 1180px) {
  .nav {
    display: none;
  }

  .toolbar,
  .brand {
    min-width: 0;
  }

  .metrics-strip,
  .data-dashboard,
  .signal-board,
  .scope-grid,
  .risk-map,
  .evidence-ledger {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .platform-flow {
    grid-template-columns: 1fr;
  }

  .flow-line {
    width: 1px;
    height: 2.5rem;
    justify-self: center;
    background: linear-gradient(180deg, var(--cyan), var(--gold));
  }
}

@media (max-width: 900px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar {
    width: 100%;
    justify-content: flex-start;
  }

  .section {
    min-height: auto;
    padding-top: 8.5rem;
    padding-bottom: 4rem;
  }

  .hero-grid,
  .split,
  .split.reverse {
    grid-template-columns: 1fr;
  }

  .metrics-strip,
  .asset-chain,
  .timeline-lane,
  .data-dashboard,
  .signal-board,
  .scope-grid,
  .signal-grid,
  .evidence-matrix,
  .evidence-ledger,
  .risk-map,
  .capability-ring {
    grid-template-columns: 1fr;
  }

  .asset-chain article {
    min-height: auto;
  }

  .asset-chain span {
    margin-bottom: 1rem;
  }

  .asset-chain article:not(:last-child)::after {
    display: none;
  }

  .timeline-lane article {
    min-height: auto;
  }

  .timeline-lane article::before {
    display: none;
  }

  .timeline-lane span {
    margin-bottom: 1rem;
  }

  .chapter-rail {
    display: none;
  }
}

@media (max-width: 560px) {
  .toolbar {
    flex-wrap: wrap;
  }

  .ghost-button,
  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  h1 {
    font-size: clamp(2.7rem, 16vw, 4.2rem);
  }
}

@media (min-width: 1000px) and (max-height: 820px) {
  .section {
    min-height: 100vh;
    padding-top: 5.6rem;
    padding-bottom: 3.2rem;
  }

  .hero {
    padding-top: 5.8rem;
  }

  h1 {
    font-size: clamp(3.2rem, 7vw, 6.5rem);
  }

  h2 {
    font-size: clamp(2rem, 4vw, 3.7rem);
  }

  p {
    line-height: 1.72;
  }

  .command-orb {
    min-height: 25rem;
  }

  .metrics-strip article,
  .data-hero-card,
  .signal-panel,
  .scope-grid article,
  .platform-node,
  .asset-chain article,
  .signal-grid article,
  .risk-map article,
  .evidence-card,
  .evidence-ledger article {
    padding: 1rem;
  }

  .asset-chain article {
    min-height: 16.5rem;
  }

  .timeline-lane article {
    min-height: 14rem;
  }

  .data-hero-card {
    min-height: 11.5rem;
  }

  .scope-grid article {
    min-height: 12.5rem;
  }

  .timeline-lane span {
    margin-bottom: 2.6rem;
  }

  .asset-chain span {
    margin-bottom: 3.1rem;
  }

  .signal-grid article,
  .evidence-card {
    min-height: 11rem;
  }

  .evidence-ledger article {
    min-height: 8.8rem;
  }

  .risk-map article {
    min-height: 14.5rem;
  }

  .dashboard-section {
    padding-top: 5rem;
    padding-bottom: 2rem;
  }

  .dashboard-section .section-heading {
    max-width: 66rem;
  }

  .dashboard-section h2 {
    font-size: clamp(2rem, 3.4vw, 3.25rem);
  }

  .data-dashboard {
    margin-top: 1.2rem;
  }

  .data-hero-card {
    min-height: 9.6rem;
  }

  .data-hero-card strong {
    font-size: clamp(2.4rem, 4.6vw, 4rem);
  }

  .signal-board {
    margin-top: 0.75rem;
  }

  .signal-panel h3 {
    margin-bottom: 0.4rem;
  }

  .signal-bar {
    margin-top: 0.42rem;
  }

  .signal-bar i {
    min-height: 1.78rem;
    padding: 0.25rem 0.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}