:root {
  color-scheme: dark;
  --bg: #071012;
  --bg-2: #0b171a;
  --panel: #101f23;
  --panel-2: #13282d;
  --line: rgba(160, 190, 194, 0.18);
  --text: #eef6f5;
  --muted: #9cb0b3;
  --signal: #3ff0ad;
  --blue: #4aa3ff;
  --warn: #f0c95a;
  --fail: #ff6d5f;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 72px);
  background: rgba(7, 16, 18, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 750;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(63, 240, 173, 0.45);
  border-radius: 8px;
  color: var(--signal);
  font-size: 12px;
  background: rgba(63, 240, 173, 0.08);
}

nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

nav a {
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.hero {
  position: relative;
  min-height: calc(100vh - 75px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.52fr);
  align-items: center;
  gap: clamp(24px, 5vw, 72px);
  padding: clamp(52px, 8vw, 110px) clamp(18px, 5vw, 72px);
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 24%, rgba(74, 163, 255, 0.18), transparent 34%),
    linear-gradient(135deg, #071012 0%, #0a181c 52%, #071012 100%);
}

#packetCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.72;
}

.hero-content,
.hero-panel {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--signal);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 980px;
  margin-bottom: 22px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 24px;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 760px;
  color: #c8d8da;
  font-size: clamp(18px, 2vw, 23px);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 750;
  cursor: pointer;
}

.button.primary {
  background: var(--signal);
  color: #052014;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.button:disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.52;
  filter: saturate(0.5);
}

.hero-panel,
.analysis-panel,
.upload-panel,
.terminal {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 31, 35, 0.78);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 22px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 18px rgba(63, 240, 173, 0.75);
}

.metric-grid,
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric-grid div,
.analysis-grid div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

dt,
.stat-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

dd,
.analysis-grid strong {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
}

.section {
  padding: clamp(64px, 9vw, 120px) clamp(18px, 5vw, 72px);
}

.intro-band {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(28px, 6vw, 92px);
  align-items: start;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-band p:last-child,
.section-heading {
  max-width: 850px;
}

.intro-band p:last-child {
  color: #c4d4d6;
  font-size: 21px;
}

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

.pillar-card {
  min-height: 360px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.pillar-card:hover,
.pillar-card.active {
  transform: translateY(-4px);
  border-color: rgba(63, 240, 173, 0.5);
  background: linear-gradient(180deg, rgba(63, 240, 173, 0.08), var(--panel));
}

.card-kicker {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--blue);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 800;
}

.pillar-card p,
.roadmap-item p,
.demo-copy p,
.page-hero p,
.upload-panel p {
  color: #c1d0d2;
}

.pillar-card ul {
  margin: 24px 0 0;
  padding-left: 18px;
  color: #dbe6e6;
}

.pillar-card li + li {
  margin-top: 8px;
}

.demo-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1.2fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  background: #081416;
}

.demo-copy {
  max-width: 620px;
}

.text-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--signal);
  font-weight: 800;
  text-decoration: none;
}

.terminal {
  overflow: hidden;
  background: #050b0d;
}

.terminal-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.terminal-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2c464b;
}

.terminal-top strong {
  margin-left: 8px;
  font-weight: 700;
}

pre {
  min-height: 330px;
  margin: 0;
  padding: 18px;
  color: #baf8dd;
  white-space: pre-wrap;
  font: 14px/1.65 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.standards {
  background: var(--bg-2);
}

.standard-bar {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.standard-bar span {
  display: grid;
  place-items: center;
  min-height: 82px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #dfe8e8;
  background: rgba(255, 255, 255, 0.035);
  font-weight: 800;
}

.page-hero {
  padding: clamp(54px, 8vw, 110px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(120deg, rgba(63, 240, 173, 0.12), transparent 38%),
    var(--bg-2);
  border-bottom: 1px solid var(--line);
}

.page-hero.compact h1 {
  max-width: 920px;
  font-size: clamp(42px, 6vw, 76px);
}

.page-hero.compact p:last-child {
  max-width: 790px;
  font-size: 20px;
}

.lab-shell {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
  gap: 18px;
  padding: clamp(28px, 5vw, 72px);
}

.upload-panel,
.analysis-panel {
  padding: 24px;
}

.file-drop {
  display: grid;
  gap: 10px;
  margin: 24px 0 16px;
  padding: 24px;
  border: 1px dashed rgba(63, 240, 173, 0.45);
  border-radius: 8px;
  background: rgba(63, 240, 173, 0.05);
  cursor: pointer;
}

.file-drop input {
  display: none;
}

.file-drop span {
  color: var(--signal);
  font-weight: 800;
}

.file-drop small {
  color: var(--muted);
}

.analysis-grid {
  margin-bottom: 24px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  position: relative;
  padding: 16px 16px 16px 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 21px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
}

.timeline-item.good::before {
  background: var(--signal);
}

.timeline-item.warn::before {
  background: var(--warn);
}

.timeline-item.fail::before {
  background: var(--fail);
}

.timeline-item.ripple::before {
  background: var(--blue);
}

.timeline-item span {
  color: var(--muted);
  font-size: 13px;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.timeline-item p {
  margin: 4px 0 0;
}

.roadmap {
  display: grid;
  gap: 14px;
  padding: clamp(28px, 5vw, 72px);
}

.roadmap-item {
  display: grid;
  grid-template-columns: 150px minmax(180px, 0.42fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.roadmap-item.current {
  border-color: rgba(63, 240, 173, 0.48);
  background: linear-gradient(90deg, rgba(63, 240, 173, 0.08), var(--panel));
}

.roadmap-item span {
  color: var(--signal);
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 12px;
}

.roadmap-item h2 {
  margin: 0;
  font-size: 28px;
}

.roadmap-item p {
  margin: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #050b0d;
}

.site-footer div {
  display: grid;
  gap: 4px;
}

.footer-links {
  display: flex;
  gap: 10px;
}

.footer-links a {
  padding: 8px 10px;
  border-radius: 8px;
  color: #dce8e8;
  text-decoration: none;
}

.footer-links a:hover {
  background: rgba(255, 255, 255, 0.07);
}

.content-page {
  display: grid;
  gap: 16px;
  max-width: 980px;
  padding: clamp(36px, 6vw, 84px) clamp(18px, 5vw, 72px);
}

.content-page article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.content-page h2 {
  font-size: 28px;
}

.contact-panel .button {
  margin-top: 10px;
}

@media (max-width: 980px) {
  .hero,
  .intro-band,
  .demo-section,
  .lab-shell {
    grid-template-columns: 1fr;
  }

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

  .roadmap-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 640px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: 42px;
  }

  .hero {
    min-height: auto;
  }

  .metric-grid,
  .analysis-grid,
  .ecosystem-grid,
  .standard-bar {
    grid-template-columns: 1fr;
  }

  .pillar-card {
    min-height: auto;
  }
}