:root {
  color-scheme: dark;
  --bg: #06090f;
  --surface: #0c121b;
  --surface-raised: #121a25;
  --line: #243042;
  --line-soft: #1a2230;
  --text: #eef2f7;
  --text-secondary: #a9b4c3;
  --text-muted: #818c9c;
  --accent: #38c5b4;
  --accent-hover: #67ead8;
  --accent-rgb: 56, 197, 180;
  --warn: #d6a849;
  --display: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --content: 1240px;
  --radius: 12px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 76% 10%, rgba(var(--accent-rgb), 0.075), transparent 28rem),
    linear-gradient(rgba(36, 48, 66, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 48, 66, 0.14) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 48px 48px, 48px 48px, auto;
  color: var(--text);
  font-family: var(--display);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

img,
picture {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
a {
  touch-action: manipulation;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 6px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  transition: transform 180ms var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: min(calc(100% - 32px), var(--content));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgba(36, 48, 66, 0.7);
  background: rgba(6, 9, 15, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 19px;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 8px;
}

.site-header nav,
footer nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-header nav a,
footer nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 180ms var(--ease), background 180ms var(--ease);
}

.site-header nav a:hover,
footer nav a:hover {
  color: var(--text);
  background: rgba(var(--accent-rgb), 0.08);
}

main,
footer {
  width: min(calc(100% - 32px), var(--content));
  margin-inline: auto;
}

.hero {
  min-height: min(820px, calc(100dvh - 72px));
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(500px, 1.05fr);
  align-items: start;
  gap: clamp(36px, 5vw, 64px);
  padding: clamp(72px, 8vw, 104px) 0 88px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-top: clamp(36px, 5vw, 70px);
  animation: enter 440ms var(--ease) both;
}

.eyebrow,
.section-index {
  margin: 0 0 18px;
  color: var(--accent);
  font: 700 12px/1.3 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow span {
  width: 28px;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.55);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 710px;
  margin: 0;
  font-size: clamp(46px, 6.2vw, 82px);
  line-height: 0.99;
  letter-spacing: -0.055em;
  font-weight: 760;
}

.hero-lede {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--text-secondary);
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.58;
}

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

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 19px;
  border: 1px solid var(--line);
  border-radius: 7px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 720;
  transition:
    color 180ms var(--ease),
    background 180ms var(--ease),
    border-color 180ms var(--ease),
    transform 180ms var(--ease);
}

.button:hover {
  transform: translateY(-1px);
}

.button svg {
  width: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 12px 32px -18px rgba(var(--accent-rgb), 0.9);
}

.button-primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.button-secondary {
  background: rgba(12, 18, 27, 0.8);
  color: var(--text);
}

.button-secondary:hover {
  border-color: #506078;
  background: var(--surface-raised);
}

.hero-facts {
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 9px 22px;
  list-style: none;
  color: var(--text-muted);
  font: 500 12px/1.5 var(--mono);
}

.hero-facts li {
  display: inline-flex;
  gap: 7px;
}

.hero-facts span {
  color: var(--accent);
}

.hero-visual {
  position: relative;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 18, 27, 0.84);
  box-shadow: 0 32px 80px -44px rgba(0, 0, 0, 0.95);
  animation: enter 540ms 80ms var(--ease) both;
}

.hero-visual::before,
.hero-visual::after,
.frame::before,
.frame::after {
  content: "";
  position: absolute;
  width: 38px;
  height: 38px;
  pointer-events: none;
}

.hero-visual::before,
.frame::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius) 0 0;
}

.hero-visual::after,
.frame::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  border-radius: 0 0 var(--radius);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 7px;
  border: 1px solid var(--line-soft);
  background: var(--bg);
}

.preview-frame {
  position: relative;
}

.preview-control {
  position: absolute;
  left: 50%;
  bottom: 22px;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 8px 14px 8px 10px;
  transform: translateX(-50%);
  border: 1px solid rgba(103, 234, 216, 0.5);
  border-radius: 8px;
  background: rgba(6, 9, 15, 0.9);
  box-shadow: 0 16px 42px -20px #000;
  color: var(--text);
  cursor: pointer;
  font-family: var(--display);
  white-space: nowrap;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition:
    border-color 180ms var(--ease),
    background 180ms var(--ease),
    transform 180ms var(--ease);
}

.preview-control:hover {
  transform: translateX(-50%) translateY(-1px);
  border-color: var(--accent-hover);
  background: rgba(12, 18, 27, 0.96);
}

.preview-control:disabled {
  cursor: wait;
  opacity: 0.74;
}

.preview-control-icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 6px;
  background: var(--accent);
  color: var(--bg);
  font-size: 12px;
}

.preview-control-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.preview-control-copy strong {
  font-size: 12px;
  line-height: 1.25;
}

.preview-control-copy small {
  color: var(--text-muted);
  font: 600 9px/1.2 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.visual-status,
.visual-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 4px;
  color: var(--text-muted);
  font: 650 10px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.visual-status {
  min-height: 32px;
}

.status-live {
  color: var(--accent);
}

.status-live::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 9px rgba(var(--accent-rgb), 0.8);
}

.visual-caption {
  min-height: 36px;
  justify-content: flex-start;
  gap: 20px;
}

.visual-caption span:not(:last-child)::after {
  content: "/";
  margin-left: 20px;
  color: var(--line);
}

.signal-strip {
  min-height: 72px;
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 0 24px;
  border-block: 1px solid var(--line);
  background: rgba(12, 18, 27, 0.62);
}

.signal-strip p {
  margin: 0;
  color: var(--text-secondary);
  font: 650 12px/1.3 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.signal-strip span {
  height: 1px;
  background: linear-gradient(90deg, var(--line), rgba(var(--accent-rgb), 0.38), var(--line));
}

.section {
  padding: clamp(96px, 12vw, 154px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 52px;
}

.section-heading.compact {
  margin-bottom: 36px;
}

h2 {
  margin: 0;
  max-width: 860px;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 750;
}

.section-heading > p:last-child,
.evidence-copy > p,
.build-copy > p,
.open-section > p {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--text-secondary);
  font-size: 18px;
}

.control-grid {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.control-grid li {
  min-height: 270px;
  padding: 26px;
  background: rgba(12, 18, 27, 0.96);
}

.step-number {
  display: block;
  margin-bottom: 52px;
  color: var(--accent);
  font: 700 12px/1 var(--mono);
}

.control-grid h3 {
  margin: 0;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.control-grid p {
  margin: 12px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.evidence-section {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  align-items: center;
  gap: clamp(40px, 7vw, 90px);
}

.frame {
  position: relative;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.frame img {
  border-radius: 7px;
  border: 1px solid var(--line-soft);
}

.evidence-list {
  margin: 34px 0;
  border-top: 1px solid var(--line);
}

.evidence-list div {
  min-height: 48px;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.evidence-list dt {
  color: var(--text-muted);
  font: 650 11px/1.2 var(--mono);
  text-transform: uppercase;
}

.evidence-list dd {
  margin: 0;
  color: var(--text);
  font-size: 14px;
}

.text-link,
.open-links a,
.table-note a {
  color: var(--accent);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  font-weight: 680;
}

.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 18, 27, 0.9);
}

table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  text-align: left;
}

caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

th,
td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line-soft);
}

thead th {
  color: var(--text-muted);
  font: 700 11px/1.3 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

tbody th {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
}

tbody td {
  color: var(--text);
  font-size: 14px;
}

tbody td:nth-child(2) {
  color: var(--accent);
  font-weight: 700;
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

.table-note {
  max-width: 800px;
  margin: 18px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

.build-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(460px, 1.15fr);
  align-items: center;
  gap: clamp(44px, 8vw, 110px);
}

.requirements {
  color: var(--text-muted) !important;
  font: 500 13px/1.65 var(--mono) !important;
}

.terminal {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #080c12;
  box-shadow: 0 24px 60px -40px #000;
}

.terminal-bar {
  min-height: 46px;
  padding: 0 14px 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-muted);
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.08em;
}

.terminal button {
  min-width: 58px;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface-raised);
  color: var(--text-secondary);
  cursor: pointer;
  font: 650 12px/1 var(--display);
}

.terminal button:hover {
  border-color: var(--accent);
  color: var(--text);
}

.terminal pre {
  margin: 0;
  padding: clamp(22px, 4vw, 34px);
  overflow-x: auto;
  color: var(--text);
  font: 500 14px/1.9 var(--mono);
}

.terminal code::first-line {
  color: var(--accent);
}

.sr-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.open-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px 80px;
}

.open-section h2 {
  font-size: clamp(34px, 4vw, 50px);
}

.open-section > p {
  margin-top: 32px;
}

.open-links {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.open-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.final-cta {
  min-height: 560px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 16px;
  text-align: center;
}

.final-cta img {
  margin-bottom: 28px;
  border-radius: 14px;
  box-shadow: 0 0 40px -14px rgba(var(--accent-rgb), 0.7);
}

.final-cta h2 {
  max-width: 750px;
}

.final-cta .hero-actions {
  justify-content: center;
}

footer {
  min-height: 140px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 30px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 12px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-brand strong {
  color: var(--text);
  font-size: 15px;
}

footer p {
  font-family: var(--mono);
}

@keyframes enter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1040px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .hero-copy {
    max-width: 800px;
    padding-top: 0;
  }

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

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

  .evidence-section,
  .build-section {
    grid-template-columns: 1fr;
  }

  .evidence-copy,
  .build-copy {
    max-width: 760px;
  }

  .terminal {
    max-width: 760px;
    width: 100%;
  }

  footer {
    grid-template-columns: 1fr auto;
  }

  footer > p {
    grid-column: 1 / -1;
    margin-top: -18px;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 16px;
  }

  .site-header {
    position: relative;
    align-items: flex-start;
    padding: 14px 0;
  }

  .site-header nav {
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0;
  }

  .site-header nav a {
    padding-inline: 9px;
    font-size: 13px;
  }

  .hero {
    padding-top: 72px;
  }

  h1 {
    font-size: clamp(44px, 14vw, 62px);
  }

  .signal-strip {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 12px;
  }

  .signal-strip p {
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .signal-strip span {
    display: none;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .control-grid li {
    min-height: 210px;
  }

  .step-number {
    margin-bottom: 34px;
  }

  .visual-caption {
    display: none;
  }

  .preview-control {
    bottom: 14px;
  }

  .open-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .open-section > p {
    margin-top: 0;
  }

  .open-links {
    grid-column: 1;
  }

  footer,
  footer nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  footer {
    padding: 42px 0;
  }

  footer nav {
    gap: 0;
  }

  footer nav a {
    padding-inline: 0;
  }

  footer > p {
    margin: 0;
  }
}

@media (max-width: 440px) {
  .site-header nav a:nth-child(2),
  .site-header nav a:nth-child(3) {
    display: none;
  }

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

  .hero-facts {
    flex-direction: column;
  }

  .visual-status {
    font-size: 9px;
  }

  .preview-control {
    min-height: 46px;
    padding: 6px 10px 6px 7px;
  }

  .preview-control-icon {
    width: 32px;
    height: 32px;
  }

  .section-heading > p:last-child,
  .evidence-copy > p,
  .build-copy > p,
  .open-section > p {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}