:root {
  color-scheme: dark;
  --ink: #fff9ea;
  --muted: #b6afa1;
  --paper: #080a0d;
  --panel: rgba(255, 249, 234, 0.075);
  --panel-strong: rgba(255, 249, 234, 0.135);
  --line: rgba(255, 249, 234, 0.18);
  --hot: #ff6b35;
  --mint: #2dd4bf;
  --gold: #f4c95d;
  --blue: #5ab9ea;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(115deg, rgba(45, 212, 191, 0.16), transparent 36%),
    linear-gradient(245deg, rgba(255, 107, 53, 0.18), transparent 42%),
    linear-gradient(135deg, rgba(255, 249, 234, 0.055) 1px, transparent 1px),
    var(--paper);
  background-size: auto, auto, 42px 42px, auto;
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(180deg, rgba(11, 13, 16, 0.05), rgba(11, 13, 16, 0.72));
  z-index: -1;
}

a {
  color: inherit;
}

.site-header,
.site-footer,
main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header {
  min-height: 78px;
}

.brand {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel);
  box-shadow: inset 0 0 24px rgba(45, 212, 191, 0.12);
  font-weight: 900;
  text-decoration: none;
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 22px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

nav a,
.site-footer a,
.post-card a {
  text-decoration: none;
}

nav a:hover,
.site-footer a:hover,
.post-card a:hover {
  color: var(--mint);
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 460px);
  gap: clamp(32px, 6vw, 86px);
  align-items: center;
  min-height: calc(100vh - 78px);
  padding: 42px 0 76px;
}

.hero-copy {
  position: relative;
}

.hero-copy::before {
  display: inline-flex;
  margin-bottom: 22px;
  border: 1px solid rgba(45, 212, 191, 0.36);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(45, 212, 191, 0.08);
  color: #dffdf7;
  content: "Build / Govern / Ship";
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2 {
  margin: 0;
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  line-height: 0.88;
}

h1 {
  max-width: 960px;
  font-size: clamp(4.8rem, 10vw, 9.6rem);
}

h2 {
  max-width: 840px;
  font-size: clamp(2.7rem, 7vw, 6.2rem);
}

h3 {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.25;
}

.lede {
  max-width: 720px;
  margin: 28px 0 0;
  color: #ddd8c8;
  font-size: clamp(1.22rem, 2vw, 1.65rem);
  line-height: 1.42;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 20px;
  font-weight: 900;
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

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

.button.primary {
  border-color: transparent;
  background: linear-gradient(90deg, var(--hot), var(--gold));
  color: #11100d;
}

.button.secondary {
  background: rgba(247, 244, 232, 0.06);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-metrics span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 249, 234, 0.14);
  border-radius: 999px;
  padding: 0 14px;
  background: rgba(8, 10, 13, 0.42);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.hero-metrics strong {
  color: var(--ink);
  font-size: 1.1rem;
}

.console-panel,
.post-card,
.principle-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel-strong), rgba(247, 244, 232, 0.045));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.console-panel {
  position: relative;
  overflow: hidden;
  padding: 24px;
  transform: rotate(1deg);
}

.console-panel::before {
  position: absolute;
  inset: auto -20% -38% 16%;
  height: 230px;
  content: "";
  background: conic-gradient(from 180deg, var(--mint), var(--blue), var(--hot), var(--mint));
  filter: blur(38px);
  opacity: 0.22;
}

.console-top {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.console-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line);
}

.avatar-frame {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  margin-bottom: 22px;
  overflow: hidden;
  border: 1px solid rgba(45, 212, 191, 0.32);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 8%, rgba(244, 201, 93, 0.18), transparent 42%),
    rgba(11, 13, 16, 0.42);
}

.avatar-frame::after {
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(247, 244, 232, 0.12);
  border-radius: 6px;
  content: "";
  pointer-events: none;
}

.avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.console-line {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  z-index: 1;
}

.console-line span {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.console-line strong {
  font-size: 1.35rem;
  line-height: 1.25;
}

.console-line-hot strong {
  color: var(--gold);
}

.console-pulse {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  align-items: end;
  height: 96px;
  margin-top: 28px;
  z-index: 1;
}

.console-pulse span {
  border-radius: 999px;
  background: linear-gradient(180deg, var(--mint), rgba(45, 212, 191, 0.08));
  animation: meterPulse 2.2s ease-in-out infinite alternate;
}

.console-pulse span:nth-child(2n) {
  animation-delay: 180ms;
}

.console-pulse span:nth-child(3n) {
  animation-delay: 360ms;
}

.console-pulse span:nth-child(1) {
  height: 32%;
}

.console-pulse span:nth-child(2) {
  height: 68%;
}

.console-pulse span:nth-child(3) {
  height: 44%;
}

.console-pulse span:nth-child(4) {
  height: 86%;
}

.console-pulse span:nth-child(5) {
  height: 56%;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.72fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}

.band,
.ai-lab,
.operating-system,
.posts-section,
.article-page {
  padding: clamp(64px, 10vw, 118px) 0;
  border-top: 1px solid var(--line);
}

.section-copy {
  color: #d8d2c2;
  font-size: 1.08rem;
}

.section-copy p {
  margin: 0;
}

.section-copy p + p {
  margin-top: 20px;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 34px;
}

.lab-heading {
  max-width: 920px;
}

.lab-heading p:last-child {
  max-width: 760px;
  margin: 10px 0 0;
  color: #ddd8c8;
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
}

.readiness-lab {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 18px;
  border: 1px solid rgba(45, 212, 191, 0.25);
  border-radius: 8px;
  padding: clamp(16px, 2.2vw, 24px);
  background:
    linear-gradient(135deg, rgba(45, 212, 191, 0.12), transparent 34%),
    linear-gradient(315deg, rgba(255, 107, 53, 0.12), transparent 36%),
    rgba(8, 10, 13, 0.74);
  box-shadow: var(--shadow);
}

.lab-controls,
.lab-output {
  min-width: 0;
}

.lab-controls {
  display: grid;
  gap: 18px;
  align-content: start;
}

.scenario-buttons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.scenario-button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 249, 234, 0.06);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 900;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.scenario-button:hover,
.scenario-button.is-active {
  border-color: rgba(244, 201, 93, 0.78);
  background: rgba(244, 201, 93, 0.16);
  transform: translateY(-1px);
}

.range-control {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid rgba(255, 249, 234, 0.14);
  border-radius: 8px;
  background: rgba(255, 249, 234, 0.055);
}

.range-control span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: #e5decd;
  font-weight: 900;
}

.range-control strong {
  color: var(--mint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.range-control input {
  width: 100%;
  accent-color: var(--hot);
  cursor: pointer;
}

.lab-output {
  display: grid;
  gap: 18px;
  border: 1px solid rgba(255, 249, 234, 0.14);
  border-radius: 8px;
  padding: clamp(16px, 2vw, 22px);
  background: rgba(255, 249, 234, 0.055);
}

.lab-score {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 249, 234, 0.14);
  padding-bottom: 16px;
}

.lab-score span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.lab-score strong {
  color: var(--gold);
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 400;
  line-height: 0.8;
}

.signal-bars {
  display: grid;
  gap: 12px;
}

.signal-row {
  display: grid;
  grid-template-columns: minmax(116px, 0.42fr) minmax(80px, 1fr) 48px;
  gap: 12px;
  align-items: center;
}

.signal-row span,
.signal-row strong {
  color: #e5decd;
  font-size: 0.85rem;
  font-weight: 900;
}

.signal-row strong {
  color: var(--mint);
  text-align: right;
}

.signal-row i {
  position: relative;
  display: block;
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 249, 234, 0.1);
}

.signal-row i::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--value);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--gold), var(--hot));
  content: "";
  transition: width 220ms ease;
}

.momentum-chart {
  width: 100%;
  min-height: 220px;
  border: 1px solid rgba(255, 249, 234, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(8, 10, 13, 0.28), rgba(8, 10, 13, 0.62)),
    rgba(8, 10, 13, 0.36);
}

.chart-grid line {
  stroke: rgba(255, 249, 234, 0.13);
  stroke-width: 1;
}

.momentum-chart polyline {
  fill: none;
  stroke: url(#line-gradient);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 7;
  transition: points 220ms ease;
}

.chart-points circle {
  fill: var(--paper);
  stroke: var(--gold);
  stroke-width: 5;
}

.lab-diagnosis {
  min-height: 54px;
  margin: 0;
  color: #ddd8c8;
  font-size: 1.02rem;
}

.principle-grid,
.posts-grid {
  display: grid;
  gap: 16px;
}

.principle-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.posts-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.principle-grid article,
.post-card {
  min-height: 258px;
  padding: 22px;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.principle-grid article:hover,
.post-card:hover {
  border-color: rgba(45, 212, 191, 0.42);
  transform: translateY(-4px);
}

.principle-grid span,
.post-card time {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--mint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.principle-grid p,
.post-card p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.feature-card {
  background:
    linear-gradient(135deg, rgba(255, 107, 53, 0.22), transparent 58%),
    linear-gradient(180deg, var(--panel-strong), rgba(247, 244, 232, 0.045));
}

.article-page {
  max-width: 860px;
  margin: 0 auto;
}

.simulator-page {
  max-width: 1180px;
}

.article-page h1 {
  max-width: 860px;
  margin-bottom: 28px;
  font-size: clamp(3.6rem, 10vw, 8.3rem);
}

.simulator-page h1 {
  max-width: 1080px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 26px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.article-page .section-copy {
  font-size: clamp(1.04rem, 1.8vw, 1.24rem);
}

.simulator-intro {
  max-width: 820px;
}

.simulator-lab {
  padding-bottom: 0;
  border-top: 0;
}

.article-page h2 {
  margin-top: 44px;
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.1;
}

.article-page a {
  color: var(--mint);
}

.quiz {
  margin-top: 56px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(45, 212, 191, 0.12), transparent 52%),
    linear-gradient(180deg, var(--panel-strong), rgba(247, 244, 232, 0.045));
  box-shadow: var(--shadow);
}

.quiz-intro {
  max-width: 680px;
}

.quiz-intro h2 {
  margin: 0 0 14px;
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1;
}

.quiz-form {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.quiz fieldset {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(11, 13, 16, 0.34);
}

.quiz legend {
  padding: 0 6px;
  color: var(--ink);
  font-weight: 900;
}

.quiz label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: #ddd8c8;
  cursor: pointer;
}

.quiz input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--mint);
  flex: 0 0 auto;
}

.quiz-submit {
  width: fit-content;
  margin-top: 4px;
}

.quiz-result {
  min-height: 74px;
  margin-top: 22px;
  padding: 20px;
  border: 1px solid rgba(45, 212, 191, 0.34);
  border-radius: 8px;
  background: rgba(45, 212, 191, 0.08);
}

.quiz-result h3 {
  margin-bottom: 10px;
  color: var(--mint);
  font-size: 1.35rem;
}

.quiz-result p {
  margin: 0;
}

.quiz-result ol {
  margin: 16px 0 0;
  padding-left: 22px;
}

.quiz-result li + li {
  margin-top: 8px;
}

.site-footer {
  min-height: 92px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 800;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .section-grid,
  .readiness-lab,
  .principle-grid,
  .posts-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
  }

  .console-panel {
    transform: none;
  }

  .principle-grid article,
  .post-card {
    min-height: auto;
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  nav {
    justify-content: flex-start;
  }

  h1 {
    font-size: 4.6rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .console-panel {
    padding: 20px;
  }

  .scenario-buttons {
    grid-template-columns: 1fr;
  }

  .signal-row {
    grid-template-columns: 1fr 42px;
  }

  .signal-row i {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .quiz-submit {
    width: 100%;
  }
}

@keyframes meterPulse {
  from {
    opacity: 0.72;
    transform: scaleY(0.86);
    transform-origin: bottom;
  }

  to {
    opacity: 1;
    transform: scaleY(1.08);
    transform-origin: bottom;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}