:root {
  --bg: #0a1612;
  --bg-2: #0f1f1a;
  --fg: #8fb3a5;
  --fg-bright: #c5ddd2;
  --accent: #e85d04;
  --functions: #8a5a8a;
  --types: #3a7a8c;
  --strings: #4a8c5c;
  --numbers: #d4a017;
  --comments: #4a6a5d;
  --line: rgba(74, 106, 93, 0.35);
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --space-75: 0.5rem;
  --space-100: 0.75rem;
  --space-200: 1rem;
  --space-300: 1.5rem;
  --space-400: 2rem;
  --space-600: 3rem;
  --space-700: 4rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--fg);
  background: var(--bg);
  font-family: var(--display);
  font-optical-sizing: auto;
  font-size: 1rem;
  line-height: 1.5;
  overflow-x: hidden;
}

.skip {
  position: absolute;
  left: var(--space-200);
  top: -3rem;
  z-index: 50;
  padding: var(--space-75) var(--space-100);
  background: var(--accent);
  color: #140c0a;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s var(--ease);
}

.skip:focus {
  top: var(--space-200);
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 45% at 15% -5%, rgba(232, 93, 4, 0.12), transparent 55%),
    radial-gradient(ellipse 55% 40% at 88% 18%, rgba(58, 122, 140, 0.14), transparent 50%),
    linear-gradient(180deg, var(--bg-2), var(--bg) 45%, #06100d);
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
  animation: grid-drift 32s linear infinite;
}

@keyframes grid-drift {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(44px);
  }
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #ff7a2e;
}

.hero {
  padding: var(--space-400) clamp(1.25rem, 5vw, 4rem) var(--space-300);
  max-width: 72rem;
}

.brand {
  margin: 0 0 var(--space-200);
  font-size: clamp(3rem, 11vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1;
  color: var(--fg-bright);
  text-wrap: balance;
}

h1 {
  margin: 0 0 var(--space-100);
  max-width: 680px;
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: transparent;
  background: linear-gradient(90deg, #ffffff 0%, #9b9b9b 100%);
  background-clip: text;
  -webkit-background-clip: text;
  text-wrap: balance;
}

.lede {
  margin: 0 0 var(--space-200);
  max-width: 680px;
  color: var(--fg);
  font-size: 1.125rem;
  line-height: 1.75;
  font-weight: 500;
  text-wrap: pretty;
}

.proof {
  margin: 0 0 var(--space-300);
  max-width: 680px;
  color: var(--fg-bright);
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 500;
  text-wrap: pretty;
  padding-left: var(--space-100);
  border-left: 2px solid var(--accent);
}

.proof code {
  color: var(--accent);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-75);
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 0;
  padding: var(--space-75) var(--space-100);
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 0.7s var(--ease),
    background 0.7s var(--ease),
    border-color 0.7s var(--ease),
    color 0.7s var(--ease);
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn.primary {
  background: var(--accent);
  color: #140c0a;
}

.btn.primary:hover {
  background: #ff7a2e;
  color: #140c0a;
}

.btn.ghost {
  background: transparent;
  color: var(--fg-bright);
  border-color: var(--line);
}

.btn.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-diagram {
  margin: var(--space-400) 0 0;
  max-width: 1100px;
}

.hero-diagram img {
  display: block;
  width: 100%;
  max-width: 1100px;
  height: auto;
  border: 1px solid var(--line);
  background: var(--bg);
}

.hero-diagram figcaption {
  margin: var(--space-75) 0 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--comments);
}

main {
  padding: 0 clamp(1.25rem, 5vw, 4rem) var(--space-700);
  max-width: 72rem;
}

section {
  padding: var(--space-700) 0;
  border-bottom: 1px solid var(--line);
}

section h2 {
  margin: 0 0 var(--space-200);
  font-size: clamp(1.5rem, 2.8vw, 1.875rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.2;
  color: var(--fg-bright);
  text-wrap: balance;
}

.tagline {
  border-bottom: 1px solid var(--line);
  padding: var(--space-700) 0;
}

.tagline-line {
  margin: 0;
  max-width: 680px;
  font-size: clamp(1.875rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  text-wrap: balance;
}

.tagline-line .word {
  color: rgba(143, 179, 165, 0.3);
  transition: color 0.7s var(--ease);
}

.tagline-line .word.is-on {
  color: var(--fg-bright);
}

.rule-line {
  margin: 0 0 var(--space-200);
  max-width: 28ch;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.2;
  color: var(--fg-bright);
  text-wrap: balance;
}

.rule-line .amp {
  display: inline-block;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.55em;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: middle;
  margin: 0 0.15em;
  animation: pulse 2.8s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

.muted {
  margin: 0;
  max-width: 40rem;
  color: var(--fg);
  font-weight: 500;
  text-wrap: pretty;
}

code,
pre {
  font-family: var(--mono);
}

code {
  font-size: 0.875rem;
  line-height: 1.25;
  color: var(--numbers);
  white-space: nowrap;
}

.status-track {
  list-style: none;
  margin: 0 0 var(--space-200);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-75) 0;
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.25;
}

.status-track li {
  display: inline-flex;
  align-items: center;
  color: var(--fg-bright);
}

.status-track li:nth-child(1) {
  color: var(--types);
}
.status-track li:nth-child(2) {
  color: var(--functions);
}
.status-track li:nth-child(3) {
  color: var(--strings);
}
.status-track li:nth-child(4) {
  color: var(--numbers);
}
.status-track li:nth-child(5) {
  color: var(--accent);
}

.status-track li:not(:last-child)::after {
  content: "→";
  margin: 0 0.65rem;
  color: var(--comments);
  opacity: 0.85;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: var(--space-200);
  max-width: 42rem;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  column-gap: var(--space-100);
  align-items: start;
  color: var(--fg);
  font-size: 1.125rem;
  line-height: 1.75;
  font-weight: 500;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--types);
}

.step-body {
  min-width: 0;
  text-wrap: pretty;
}

.benefit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-300);
  max-width: 40rem;
}

.benefit-list li {
  display: grid;
  gap: 0.25rem;
}

.benefit-list strong {
  color: var(--fg-bright);
  font-size: 1.25rem;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.benefit-list span {
  color: var(--fg);
  font-size: 1rem;
  line-height: 1.5;
  text-wrap: pretty;
}

.install pre {
  margin: var(--space-200) 0 var(--space-300);
  padding: var(--space-200);
  overflow-x: auto;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--fg-bright);
  font-size: 0.875rem;
  line-height: 1.5;
}

.harness {
  margin: var(--space-200) 0 0;
  color: var(--comments);
  font-size: 0.875rem;
}

.harness a {
  color: var(--strings);
}

.harness a:hover {
  color: var(--accent);
}

footer {
  padding: var(--space-400) clamp(1.25rem, 5vw, 4rem) var(--space-600);
  color: var(--comments);
  font-size: 0.875rem;
}

.brand-inline {
  color: var(--fg-bright);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.credit {
  margin: var(--space-75) 0 0;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--comments);
}

.credit a {
  color: var(--fg);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%) translateY(120%);
  padding: var(--space-75) var(--space-200);
  background: var(--accent);
  color: #140c0a;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: transform 0.7s var(--ease);
  z-index: 20;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(1rem);
  filter: blur(4px);
  transition:
    opacity 0.8s var(--ease),
    transform 0.8s var(--ease),
    filter 0.8s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
  filter: none;
}

@media (max-width: 720px) {
  .hero-diagram {
    max-width: 100%;
  }

  .status-track li:not(:last-child)::after {
    margin: 0 0.4rem;
  }

  .steps li {
    font-size: 1rem;
    line-height: 1.5;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .atmosphere::after {
    transform: none;
  }

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

  .tagline-line .word {
    color: var(--fg-bright);
  }
}