:root {
  color-scheme: dark;
  --bg: #070707;
  --bg-elevated: #0d0d0d;
  --bg-sunken: #050505;
  --paper: #f3efe2;
  --text: #f7f3e8;
  --muted: #a9a396;
  --dim: #68645c;
  --line: rgba(243, 239, 226, 0.18);
  --line-soft: rgba(243, 239, 226, 0.1);
  --line-strong: rgba(243, 239, 226, 0.36);
  --green: #65f0a1;
  --green-soft: rgba(101, 240, 161, 0.12);
  --cyan: #14ded2;
  --cyan-soft: rgba(20, 222, 210, 0.14);
  --amber: #ffcf5a;
  --red: #ff6f61;
  --blue: #92c7ff;
  --duration-fast: 0.15s;
  --duration-normal: 0.3s;
  --duration-slow: 0.5s;
  --duration-reveal: 0.85s;
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --font-display: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  max-width: 100%;
  height: auto;
}

::selection {
  background: var(--green);
  color: var(--bg);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 12px 16px;
  background: var(--paper);
  color: var(--bg);
  font-family: var(--font-mono);
  font-weight: 800;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

#logic-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  background: #070707;
  opacity: 0.42;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7, 7, 7, 0.96), rgba(7, 7, 7, 0.7) 58%, rgba(7, 7, 7, 0.9)),
    linear-gradient(180deg, rgba(7, 7, 7, 0.1), rgba(7, 7, 7, 0.97) 78%),
    repeating-linear-gradient(90deg, rgba(243, 239, 226, 0.035) 0 1px, transparent 1px 96px);
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translate3d(0, 28px, 0);
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
  will-change: transform, opacity;
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.reveal[data-stagger="1"] { transition-delay: 80ms; }
.reveal[data-stagger="2"] { transition-delay: 160ms; }
.reveal[data-stagger="3"] { transition-delay: 240ms; }
.reveal[data-stagger="4"] { transition-delay: 320ms; }
.reveal[data-stagger="5"] { transition-delay: 400ms; }

@keyframes fadeInDown {
  from { opacity: 0; transform: translate3d(0, -12px, 0); }
  to   { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translate3d(0, 16px, 0); }
  to   { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes glowIn {
  0%   { opacity: 0; transform: scale(0.96); filter: blur(6px); }
  60%  { opacity: 1; filter: blur(0); }
  100% { opacity: 1; transform: scale(1); }
}

.announcement {
  display: flex;
  justify-content: center;
  gap: 10px;
  min-height: 34px;
  align-items: center;
  padding: 7px 18px;
  border-bottom: 1px solid rgba(101, 240, 161, 0.28);
  background: #10140f;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  animation: fadeInDown var(--duration-reveal) var(--ease-out) both;
}

.announcement span {
  color: var(--paper);
}

.announcement a {
  position: relative;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--duration-fast) var(--ease-out);
}

.announcement a:hover {
  color: var(--paper);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(243, 239, 226, 0.08);
  background: rgba(7, 7, 7, 0.74);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: fadeInDown var(--duration-reveal) var(--ease-out) 80ms both;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: #14ded2;
  font-weight: 800;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.brand:hover {
  opacity: 0.8;
}

.brand-wordmark {
  width: 177px;
  height: auto;
  display: block;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(13px, 2.3vw, 28px);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

nav a {
  position: relative;
  padding: 4px 0;
  transition: color var(--duration-fast) var(--ease-out);
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width var(--duration-normal) var(--ease-out);
}

nav a:hover {
  color: var(--paper);
}

nav a:hover::after,
nav a:focus-visible::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  height: 44px;
  min-width: 44px;
  padding: 0 14px 0 12px;
  border: 1px solid var(--line-strong);
  background: rgba(7, 7, 7, 0.6);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle:hover,
.nav-toggle[aria-expanded="true"] {
  border-color: rgba(20, 222, 210, 0.6);
  background: rgba(20, 222, 210, 0.08);
}

.nav-toggle-bars {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 18px;
  height: 12px;
}

.nav-toggle-bars span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--paper);
  transition:
    transform var(--duration-normal) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
  background: var(--cyan);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
  background: var(--cyan);
}

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 4;
  background: rgba(7, 7, 7, 0.62);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--duration-normal) var(--ease-out),
    visibility 0s linear var(--duration-normal);
}

body.nav-open .nav-scrim {
  opacity: 1;
  visibility: visible;
  transition:
    opacity var(--duration-normal) var(--ease-out),
    visibility 0s linear 0s;
}

body.nav-open {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 74vh;
  padding: clamp(54px, 7vw, 96px) clamp(18px, 5vw, 72px) clamp(42px, 6vw, 72px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -10% -20% auto auto;
  width: 60vw;
  height: 60vw;
  max-width: 720px;
  max-height: 720px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(20, 222, 210, 0.18), transparent 72%);
  filter: blur(20px);
  animation: glowIn 1.4s var(--ease-out) 200ms both, heroDrift 18s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto auto -20% -10%;
  width: 50vw;
  height: 50vw;
  max-width: 560px;
  max-height: 560px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(101, 240, 161, 0.12), transparent 72%);
  filter: blur(20px);
  animation: glowIn 1.4s var(--ease-out) 360ms both, heroDrift 22s ease-in-out -6s infinite reverse;
}

@keyframes heroDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-3%, 4%) scale(1.06); }
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(380px, 0.76fr);
  gap: clamp(32px, 5vw, 78px);
  max-width: 1560px;
  margin: 0 auto;
  align-items: center;
}

.hero-copy {
  max-width: 900px;
}

.hero-copy > * {
  animation: fadeInUp var(--duration-reveal) var(--ease-out) both;
}

.hero-copy > .eyebrow      { animation-delay: 240ms; }
.hero-copy > h1            { animation-delay: 320ms; }
.hero-copy > .display-line { animation-delay: 400ms; }
.hero-copy > .slogan       { animation-delay: 480ms; }
.hero-copy > .lede         { animation-delay: 560ms; }
.hero-copy > .actions      { animation-delay: 640ms; }
.hero-copy > .badge-row    { animation-delay: 720ms; }

.hero-visual {
  animation: glowIn var(--duration-reveal) var(--ease-out) 480ms both;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow span[aria-hidden] {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: livePulse 1.8s ease-in-out infinite;
}

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

h1 {
  margin-bottom: 16px;
  color: var(--paper);
  font-size: clamp(72px, 12vw, 176px);
  line-height: 0.84;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.display-line {
  max-width: 820px;
  margin-bottom: 16px;
  color: var(--paper);
  font-size: clamp(34px, 5.2vw, 78px);
  font-weight: 850;
  line-height: 0.98;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}

.slogan {
  margin-bottom: 20px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.1vw, 28px);
  font-weight: 800;
}

.lede,
.section-copy {
  max-width: 720px;
  color: #d8d1c0;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.32;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 20px;
}

.badge-row a {
  display: inline-flex;
  min-height: 20px;
  align-items: center;
  transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}

.badge-row a:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.badge-row img {
  display: block;
  max-width: 100%;
  height: 20px;
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 17px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  overflow: hidden;
  isolation: isolate;
  transition:
    transform var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.button::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, transparent 30%, rgba(243, 239, 226, 0.18) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform var(--duration-slow) var(--ease-out);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(20, 222, 210, 0.18);
}

.button:hover::before {
  transform: translateX(100%);
}

.button:active {
  transform: translateY(0);
}

.button.primary {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--bg);
}

.button.primary:hover {
  box-shadow: 0 10px 36px rgba(243, 239, 226, 0.18);
}

.button.secondary {
  background: rgba(243, 239, 226, 0.04);
  color: var(--paper);
}

.button.secondary:hover {
  background: rgba(243, 239, 226, 0.08);
  border-color: rgba(20, 222, 210, 0.6);
}

.hero-visual {
  position: relative;
}

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

.hero-visual::before {
  inset: -22px;
  border: 1px solid rgba(20, 222, 210, 0.16);
  background:
    linear-gradient(90deg, transparent, rgba(20, 222, 210, 0.08), transparent),
    repeating-linear-gradient(0deg, rgba(243, 239, 226, 0.04) 0 1px, transparent 1px 18px);
  animation: panelSweep 5.8s linear infinite;
}

.hero-visual::after {
  inset: 18px -12px -18px 12px;
  border: 1px solid rgba(101, 240, 161, 0.14);
  transition: inset var(--duration-slow) var(--ease-out);
}

.hero-visual:hover::after {
  inset: 12px -18px -24px 18px;
}

.engine-card {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid rgba(243, 239, 226, 0.28);
  background:
    linear-gradient(180deg, rgba(20, 222, 210, 0.09), transparent 34%),
    rgba(7, 7, 7, 0.86);
  box-shadow: 0 32px 120px rgba(0, 0, 0, 0.46);
  transition:
    transform var(--duration-slow) var(--ease-out),
    border-color var(--duration-slow) var(--ease-out),
    box-shadow var(--duration-slow) var(--ease-out);
}

.engine-card:hover {
  transform: translateY(-3px);
  border-color: rgba(20, 222, 210, 0.5);
  box-shadow: 0 36px 140px rgba(20, 222, 210, 0.14), 0 32px 120px rgba(0, 0, 0, 0.5);
}

.engine-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(101, 240, 161, 0.08), transparent);
  transform: translateY(-100%);
  animation: scan 4.5s ease-in-out infinite;
}

.engine-topline,
.task-feed,
.budget-panel,
.check-stack {
  position: relative;
  z-index: 1;
}

.engine-topline {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.engine-topline strong {
  margin-left: auto;
  color: var(--green);
  font-size: 11px;
}

.live-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #14ded2;
  box-shadow: 0 0 18px rgba(20, 222, 210, 0.82);
  animation: livePulse 1.8s ease-in-out infinite;
}

.task-feed {
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.task-feed span,
.engine-panel span,
.budget-panel span {
  display: block;
  margin-bottom: 7px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.task-feed strong {
  display: block;
  color: var(--paper);
  font-size: clamp(22px, 2.5vw, 36px);
  line-height: 1.05;
  transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.task-feed strong[data-scenario-task].is-swapping,
[data-scenario-tier].is-swapping,
[data-scenario-policy].is-swapping,
[data-scenario-verdict].is-swapping,
[data-scenario-reason].is-swapping {
  opacity: 0;
  transform: translateY(-6px);
}

.task-feed strong::after {
  content: "";
  display: inline-block;
  width: 0.48em;
  height: 0.08em;
  margin-left: 8px;
  background: var(--green);
  vertical-align: baseline;
  animation: cursorBlink 1.1s steps(2, end) infinite;
}

.tier-router {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  padding: 24px 18px;
  border-bottom: 1px solid var(--line);
}

.router-line {
  position: absolute;
  left: 38px;
  right: 38px;
  top: 50%;
  height: 1px;
  overflow: hidden;
  background: linear-gradient(90deg, rgba(20, 222, 210, 0.12), rgba(101, 240, 161, 0.72), rgba(255, 207, 90, 0.3));
}

.router-line::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 68px;
  height: 5px;
  background: var(--green);
  filter: blur(3px);
  animation: routePulse 3.2s ease-in-out infinite;
}

.tier-router button {
  position: relative;
  z-index: 1;
  display: inline-grid;
  min-width: 0;
  min-height: 42px;
  place-items: center;
  border: 1px solid rgba(243, 239, 226, 0.18);
  background: rgba(7, 7, 7, 0.88);
  color: var(--muted);
  font-family: var(--font-mono);
  font-weight: 800;
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.tier-router button:hover {
  transform: translateY(-2px);
  border-color: rgba(20, 222, 210, 0.5);
  color: var(--paper);
}

.tier-router button.active {
  border-color: rgba(20, 222, 210, 0.9);
  background: rgba(20, 222, 210, 0.13);
  color: var(--paper);
  box-shadow: 0 0 34px rgba(20, 222, 210, 0.18);
  animation: tierPop 0.6s var(--ease-bounce);
}

@keyframes tierPop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.engine-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}

.engine-panel {
  min-height: 146px;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: rgba(243, 239, 226, 0.025);
  transition: background-color var(--duration-normal) var(--ease-out);
}

.engine-panel:last-child {
  border-right: 0;
}

.primary-panel {
  background: rgba(20, 222, 210, 0.06);
}

.engine-panel strong,
.budget-panel strong {
  display: block;
  color: var(--paper);
  font-size: 22px;
  line-height: 1.12;
  transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.engine-panel p {
  margin: 12px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.45;
}

.budget-panel {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.budget-panel b {
  font-weight: 850;
  display: inline-block;
  transition: color var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.budget-panel b.is-pulsing {
  color: var(--green);
  transform: scale(1.04);
}

.budget-bars {
  display: grid;
  gap: 10px;
}

.bar {
  height: 12px;
  border: 1px solid rgba(243, 239, 226, 0.18);
  background: rgba(243, 239, 226, 0.035);
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  transform-origin: left center;
  transition: width var(--duration-slow) var(--ease-out);
}

.bar.before i {
  width: var(--before-width, 82%);
  background: linear-gradient(90deg, var(--amber), var(--red));
}

.bar.after i {
  width: var(--after-width, 28%);
  background: linear-gradient(90deg, #14ded2, var(--green));
  animation: budgetGlow 2.6s ease-in-out infinite;
}

.check-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px;
}

.check-stack span {
  padding: 7px 9px;
  border: 1px solid rgba(243, 239, 226, 0.16);
  background: rgba(243, 239, 226, 0.04);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  transition:
    border-color var(--duration-normal) var(--ease-out),
    background-color var(--duration-normal) var(--ease-out),
    color var(--duration-normal) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.check-stack span.active {
  border-color: rgba(101, 240, 161, 0.55);
  color: var(--paper);
  background: rgba(101, 240, 161, 0.1);
  transform: translateY(-1px);
}

.console {
  border: 1px solid var(--line-strong);
  background: rgba(7, 7, 7, 0.84);
  box-shadow: 0 22px 80px rgba(0, 0, 0, 0.28);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
}

.console:hover {
  border-color: rgba(101, 240, 161, 0.4);
  box-shadow: 0 26px 90px rgba(101, 240, 161, 0.1);
  transform: translateY(-2px);
}

.console-title {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.console-bar {
  display: flex;
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.console-bar span {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--dim);
  transition: transform var(--duration-fast) var(--ease-out);
}

.console-bar span:nth-child(1) { background: var(--red); }
.console-bar span:nth-child(2) { background: var(--amber); }
.console-bar span:nth-child(3) { background: var(--green); }

.console:hover .console-bar span {
  transform: scale(1.18);
}

pre {
  margin: 0;
  padding: 24px;
  overflow-x: auto;
}

code {
  color: #eee6d4;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
}

.quickstart {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(380px, 1.05fr);
  gap: 1px;
  margin: 0;
  padding: 0 clamp(18px, 5vw, 72px) 44px;
  border-bottom: 1px solid var(--line);
}

.quickstart > .console {
  align-self: stretch;
  box-shadow: none;
}

.install-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
}

.install-grid article {
  min-height: 0;
  padding: 22px;
  border: 0;
  background: rgba(7, 7, 7, 0.86);
}

.install-grid article span {
  margin-bottom: 12px;
}

.install-grid h3 {
  margin-bottom: 14px;
}

.install-grid pre {
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(243, 239, 226, 0.035);
  transition: border-color var(--duration-normal) var(--ease-out), background-color var(--duration-normal) var(--ease-out);
}

.install-grid article:hover pre {
  border-color: rgba(101, 240, 161, 0.45);
  background: rgba(101, 240, 161, 0.05);
}

.runner-grid pre {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(243, 239, 226, 0.035);
  transition: border-color var(--duration-normal) var(--ease-out), background-color var(--duration-normal) var(--ease-out);
}

.runner-grid article:hover pre {
  border-color: rgba(101, 240, 161, 0.45);
  background: rgba(101, 240, 161, 0.05);
}

.link-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 30px;
}

.link-grid h3 a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  transition: color var(--duration-fast) var(--ease-out);
}

.link-grid h3 a:hover {
  color: var(--cyan);
}

.link-list a {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 18px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
  transition:
    padding var(--duration-normal) var(--ease-out),
    background-color var(--duration-normal) var(--ease-out);
}

.link-list a:hover {
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(101, 240, 161, 0.06), transparent 60%);
}

.link-list a span {
  transition: color var(--duration-fast) var(--ease-out);
}

.link-list a:hover span {
  color: var(--cyan);
}

.docs-list {
  max-width: 1040px;
}

.section {
  margin: 0;
  padding: clamp(34px, 5vw, 62px) clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: rgba(7, 7, 7, 0.76);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 7, 7, 0.84);
}

.proof-strip div {
  min-height: 112px;
  padding: 22px clamp(18px, 3vw, 34px);
  border-right: 1px solid var(--line);
  transition: background-color var(--duration-normal) var(--ease-out);
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip span,
.ladder span {
  display: block;
  margin-bottom: 10px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.proof-strip strong {
  display: block;
  max-width: 280px;
  color: var(--paper);
  font-size: 18px;
  line-height: 1.16;
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 34px;
}

h2 {
  margin-bottom: 0;
  max-width: 980px;
  color: var(--paper);
  font-size: clamp(31px, 4.6vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.01em;
}

h3 {
  margin-bottom: 12px;
  color: var(--paper);
  font-size: 20px;
  letter-spacing: 0;
}

.philosophy {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: start;
}

.philosophy .section-copy {
  grid-column: 1 / -1;
  max-width: 980px;
  margin-bottom: 0;
}

.principles {
  border-top: 1px solid var(--line);
}

.principles p {
  margin: 0;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  font-size: clamp(19px, 2vw, 26px);
  font-weight: 760;
  line-height: 1.13;
  transition: padding-left var(--duration-normal) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.principles p:hover {
  padding-left: 12px;
  color: var(--cyan);
}

.metric-grid,
.checks-grid,
.ladder {
  display: grid;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

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

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

.ladder {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.ladder div {
  min-height: 210px;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ladder div.active {
  border-color: rgba(20, 222, 210, 0.48);
  background:
    linear-gradient(180deg, rgba(20, 222, 210, 0.08), rgba(20, 222, 210, 0.018)),
    rgba(7, 7, 7, 0.84);
  box-shadow: inset 0 0 0 1px rgba(20, 222, 210, 0.16);
  animation: tierPop 0.6s var(--ease-bounce);
}

.ladder strong {
  display: block;
  margin-bottom: 18px;
  color: var(--paper);
  font-size: 22px;
  line-height: 1.05;
}

.ladder p {
  margin: 0;
  color: var(--muted);
}

article {
  min-height: 218px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

article span {
  display: block;
  margin-bottom: 42px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

article p,
.stack-list strong {
  color: var(--muted);
  font-weight: 520;
}

.metric-grid article,
.checks-grid article,
.ladder div,
.install-grid article,
.proof-strip div {
  position: relative;
  isolation: isolate;
  transition:
    border-color var(--duration-normal) var(--ease-out),
    background-color var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
}

.metric-grid article::after,
.checks-grid article::after,
.ladder div::after,
.install-grid article::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%), rgba(20, 222, 210, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.metric-grid article:hover::after,
.checks-grid article:hover::after,
.ladder div:hover::after,
.install-grid article:hover::after {
  opacity: 1;
}

.metric-grid article:hover,
.checks-grid article:hover,
.ladder div:hover,
.install-grid article:hover,
.proof-strip div:hover {
  border-color: rgba(20, 222, 210, 0.45);
  background: rgba(20, 222, 210, 0.045);
  transform: translateY(-3px);
}

.split,
.install {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.78fr);
  gap: clamp(32px, 5vw, 70px);
  align-items: start;
}

.stack-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.stack-list div {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 18px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left var(--duration-normal) var(--ease-out), background-color var(--duration-normal) var(--ease-out);
}

.stack-list div:hover {
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(20, 222, 210, 0.05), transparent 70%);
}

.stack-list span {
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.install-console {
  width: 100%;
}

.page {
  padding-top: 56px;
}

footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding: 28px clamp(18px, 5vw, 72px) 42px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

footer a {
  position: relative;
  color: var(--paper);
  transition: color var(--duration-fast) var(--ease-out);
}

footer a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width var(--duration-normal) var(--ease-out);
}

footer a:hover {
  color: var(--cyan);
}

footer a:hover::after {
  width: 100%;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

@keyframes livePulse {
  0%, 100% { transform: scale(0.86); opacity: 0.76; }
  50%      { transform: scale(1.16); opacity: 1; }
}

@keyframes cursorBlink {
  0%, 48%   { opacity: 1; }
  49%, 100% { opacity: 0; }
}

@keyframes routePulse {
  0%        { left: 0; opacity: 0; }
  18%, 72%  { opacity: 0.9; }
  100%      { left: calc(100% - 68px); opacity: 0; }
}

@keyframes scan {
  0%, 42%   { transform: translateY(-100%); opacity: 0; }
  52%       { opacity: 0.7; }
  72%, 100% { transform: translateY(100%); opacity: 0; }
}

@keyframes panelSweep {
  0%   { background-position: -260px 0, 0 0; }
  100% { background-position: 260px 0, 0 180px; }
}

@keyframes budgetGlow {
  0%, 100% { box-shadow: 0 0 0 rgba(101, 240, 161, 0); }
  50%      { box-shadow: 0 0 22px rgba(101, 240, 161, 0.42); }
}

/* ---------- Tablet (≤ 1060px) ---------- */
@media (max-width: 1060px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 980px; }
  .split, .install, .philosophy, .quickstart { grid-template-columns: 1fr; }
  .console { max-width: none; }
  .proof-strip, .ladder, .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Mobile-nav cutoff (≤ 820px) ---------- */
@media (max-width: 820px) {
  .site-header {
    padding: 14px clamp(16px, 4vw, 28px);
    gap: 12px;
  }

  .brand-wordmark { width: 138px; }

  .nav-toggle {
    display: inline-flex;
    order: 2;
  }

  .site-header nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 5;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: max(72px, env(safe-area-inset-top)) clamp(20px, 6vw, 36px) 28px;
    background: rgba(7, 7, 7, 0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(20, 222, 210, 0.22);
    color: var(--paper);
    font-size: 18px;
    text-transform: none;
    transform: translateY(-110%);
    transition: transform var(--duration-slow) var(--ease-out);
    pointer-events: none;
    visibility: hidden;
  }

  body.nav-open .site-header nav {
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
  }

  .site-header nav a {
    display: flex;
    align-items: center;
    min-height: 52px;
    padding: 12px 4px;
    border-bottom: 1px solid rgba(243, 239, 226, 0.08);
    color: var(--paper);
    font-family: var(--font-display);
    font-size: clamp(20px, 5vw, 28px);
    font-weight: 600;
    letter-spacing: -0.005em;
    text-transform: none;
    opacity: 0;
    transform: translateY(8px);
    transition:
      transform var(--duration-normal) var(--ease-out),
      opacity var(--duration-normal) var(--ease-out),
      color var(--duration-fast) var(--ease-out);
  }

  body.nav-open .site-header nav a {
    opacity: 1;
    transform: translateY(0);
  }

  body.nav-open .site-header nav a:nth-child(1) { transition-delay: 80ms; }
  body.nav-open .site-header nav a:nth-child(2) { transition-delay: 130ms; }
  body.nav-open .site-header nav a:nth-child(3) { transition-delay: 180ms; }
  body.nav-open .site-header nav a:nth-child(4) { transition-delay: 230ms; }
  body.nav-open .site-header nav a:nth-child(5) { transition-delay: 280ms; }
  body.nav-open .site-header nav a:nth-child(6) { transition-delay: 330ms; }
  body.nav-open .site-header nav a:nth-child(7) { transition-delay: 380ms; }

  .site-header nav a::after { display: none; }
  .site-header nav a:active { color: var(--cyan); }

  .hero {
    min-height: auto;
    padding: clamp(36px, 7vw, 72px) clamp(16px, 5vw, 40px) clamp(40px, 7vw, 72px);
  }

  h1 { font-size: clamp(56px, 17vw, 112px); letter-spacing: -0.025em; }
  .display-line { font-size: clamp(28px, 7.4vw, 48px); }
  h2 { font-size: clamp(28px, 6.4vw, 48px); }

  .metric-grid, .checks-grid, .link-grid, .proof-strip, .ladder { grid-template-columns: 1fr; }
  .section { padding: clamp(40px, 8vw, 64px) clamp(16px, 5vw, 28px); }
  .section-heading { margin-bottom: 24px; gap: 6px; }
  .quickstart { padding: clamp(24px, 6vw, 40px) clamp(16px, 5vw, 24px); gap: 16px; }
  .engine-grid, .budget-panel { grid-template-columns: 1fr; }
  .engine-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .engine-panel:last-child { border-bottom: 0; }
  .budget-panel { gap: 12px; }

  article, .ladder div { min-height: 0; padding: 22px 20px; }
  article span { margin-bottom: 16px; }

  .link-list a {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 4px;
    min-height: 64px;
  }

  .stack-list div {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 4px;
  }

  .badge-row { gap: 6px; }

  /* Cockpit sized for mobile */
  .engine-card { font-size: 14px; }
  .task-feed strong { font-size: clamp(20px, 4.6vw, 28px); }
  .engine-panel strong, .budget-panel strong { font-size: 18px; }
  .tier-router {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 6px;
    padding: 18px 14px;
  }
  .tier-router button {
    min-height: 44px;
    min-width: 0;
    font-size: 12px;
    padding: 0 4px;
  }
  .router-line { left: 24px; right: 24px; }
  .check-stack { gap: 6px; padding: 14px; }
  .check-stack span { font-size: 10px; padding: 6px 8px; }
}

/* ---------- Phone (≤ 620px) ---------- */
@media (max-width: 620px) {
  body { font-size: 15px; }

  .announcement {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 11px;
    line-height: 1.3;
    text-align: center;
  }

  .announcement a { font-size: 11px; }

  h1 { font-size: clamp(48px, 16vw, 88px); }
  .display-line { font-size: clamp(24px, 7.5vw, 40px); }
  h2 { font-size: clamp(26px, 7.2vw, 40px); }
  .lede, .section-copy { font-size: 16px; line-height: 1.45; }
  .slogan { font-size: 16px; }

  .actions { flex-direction: column; gap: 10px; margin-top: 24px; }
  .actions .button { width: 100%; min-height: 50px; }

  .console { width: 100%; }
  .console-title { font-size: 11px; padding: 11px 14px; }
  .console-bar { padding: 12px 14px; }
  pre { padding: 18px 16px; white-space: pre-wrap; word-break: break-word; }
  code { font-size: 12px; line-height: 1.6; }

  .task-feed, .budget-panel, .check-stack, .engine-panel { padding: 14px; }
  .engine-topline { padding: 0 14px; min-height: 42px; font-size: 11px; }

  .tier-router {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 16px 14px;
  }
  .router-line { display: none; }
  .tier-router button { min-height: 48px; font-size: 13px; }

  .install-grid article,
  .runner-grid article,
  .checks-grid article,
  .metric-grid article,
  .ladder div { padding: 20px 18px; }

  .principles p { padding: 16px 0; font-size: 19px; }
  .principles p:hover { padding-left: 6px; }

  .link-list a:hover,
  .stack-list div:hover { padding-left: 6px; }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 28px clamp(16px, 5vw, 28px) 36px;
    font-size: 11px;
  }

  .footer-links { justify-content: flex-start; gap: 14px 18px; }
}

/* ---------- Narrow phones (≤ 380px) ---------- */
@media (max-width: 380px) {
  .site-header { padding: 12px 14px; gap: 8px; }
  .brand-wordmark { width: 118px; }
  .nav-toggle { padding: 0 10px; gap: 8px; font-size: 10px; }
  .nav-toggle-label { display: none; }
  .nav-toggle { min-width: 44px; padding: 0; justify-content: center; }
  .hero { padding: 28px 14px 40px; }
  h1 { font-size: 56px; }
  .display-line { font-size: 22px; }
  .eyebrow { font-size: 10px; gap: 6px; }
  .tier-router button { font-size: 12px; }
  .check-stack span { font-size: 9px; }
  .section { padding: 36px 14px; }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}