:root {
  --ink: #0b1f33;
  --ink-soft: #24415c;
  --paper: #f5f8fa;
  --white: #ffffff;
  --line: #bfd0dc;
  --cyan: #37c8bd;
  --cyan-dark: #137f78;
  --amber: #f5b642;
  --muted: #617487;
  --shadow: 0 28px 80px rgba(11, 31, 51, 0.13);
  --display: "Chivo", "Arial Narrow", sans-serif;
  --body: "Source Sans 3", Arial, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(191, 208, 220, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(191, 208, 220, 0.16) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.55;
}

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  transform: translateY(-160%);
  background: var(--white);
  border: 2px solid var(--ink);
}

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

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-header nav,
footer nav {
  display: flex;
  gap: 28px;
}

.site-header nav a,
footer nav a,
.text-link {
  font-size: 0.88rem;
  font-weight: 650;
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
}

.site-header nav a {
  text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  text-decoration: underline;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  gap: clamp(54px, 7vw, 104px);
  align-items: center;
  min-height: 760px;
  padding: 80px 0 92px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--cyan-dark);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow span {
  padding: 4px 7px;
  color: var(--ink);
  background: rgba(55, 200, 189, 0.22);
}

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

h1,
h2,
h3 {
  font-family: var(--display);
}

h1 {
  max-width: 720px;
  margin-bottom: 30px;
  font-size: clamp(3.7rem, 7.3vw, 7.2rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.075em;
}

h1 em {
  position: relative;
  color: var(--cyan-dark);
  font-style: normal;
}

h1 em::after {
  position: absolute;
  right: 0;
  bottom: -0.05em;
  left: 0.05em;
  height: 0.09em;
  content: "";
  background: var(--amber);
  transform: rotate(-1.5deg);
  transform-origin: left;
}

.hero-deck {
  max-width: 650px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  line-height: 1.48;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 13px 20px;
  border: 2px solid var(--ink);
  border-radius: 0;
  font-family: var(--display);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button-primary {
  color: var(--white);
  background: var(--ink);
  box-shadow: 7px 7px 0 var(--cyan);
}

.button-primary:hover,
.button-primary:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 var(--cyan);
}

.button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}

.fact-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 620px;
  margin: 56px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.fact-strip li {
  display: flex;
  flex-direction: column;
  padding: 18px 12px 0 0;
}

.fact-strip strong {
  font-family: var(--mono);
  font-size: 1.35rem;
}

.fact-strip span {
  color: var(--muted);
  font-size: 0.78rem;
}

.hero-board {
  position: relative;
  padding: 22px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow), 14px 14px 0 rgba(55, 200, 189, 0.36);
  transform: rotate(1.25deg);
}

.hero-board::before {
  position: absolute;
  top: 0;
  right: 35px;
  width: 42px;
  height: 12px;
  content: "";
  background: var(--amber);
}

.board-topline,
.board-title,
.board-verdict {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.board-topline {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.status-dot {
  color: var(--cyan-dark);
}

.status-dot::before {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  content: "";
  background: var(--cyan);
  border-radius: 50%;
}

.board-title {
  padding: 30px 0 24px;
}

.board-title p {
  margin: 0;
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 700;
}

.board-index {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.evidence-rail {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.evidence-rail li {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.rail-code,
.rail-state {
  font-family: var(--mono);
  font-size: 0.62rem;
}

.evidence-rail strong,
.evidence-rail small {
  display: block;
}

.evidence-rail strong {
  font-family: var(--display);
  font-size: 0.96rem;
}

.evidence-rail small {
  color: var(--muted);
  font-size: 0.72rem;
}

.rail-state {
  padding: 4px 7px;
  color: var(--cyan-dark);
  background: rgba(55, 200, 189, 0.17);
  text-transform: uppercase;
}

.rail-state.warning {
  color: #755000;
  background: rgba(245, 182, 66, 0.28);
}

.board-verdict {
  align-items: flex-end;
  margin-top: 30px;
  padding: 16px;
  background: var(--ink);
  color: var(--white);
}

.board-verdict span {
  font-family: var(--mono);
  font-size: 0.61rem;
  text-transform: uppercase;
}

.board-verdict strong {
  color: var(--amber);
  font-family: var(--display);
  font-size: 1.05rem;
}

.signal-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  border: 1px solid var(--ink);
  background: var(--white);
}

.signal-band p {
  margin: 0;
  padding: 22px 28px;
  font-family: var(--display);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 700;
}

.signal-band p:last-child {
  color: var(--white);
  background: var(--ink);
}

.section {
  padding: 120px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr minmax(0, 2.2fr);
  gap: 20px 64px;
  align-items: start;
  margin-bottom: 62px;
}

.section-heading .eyebrow {
  grid-row: 1 / 3;
}

.section-heading h2,
.manifest h2,
.boundary h2,
.launch h2 {
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 4.7vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.section-heading > p:last-child {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.1rem;
}

.section-heading.compact {
  grid-template-columns: 1fr;
  max-width: 830px;
}

.section-heading.compact .eyebrow {
  grid-row: auto;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.workflow-grid article {
  padding: 34px 30px 44px 0;
}

.workflow-grid article + article {
  padding-left: 30px;
  border-left: 1px solid var(--line);
}

.step-label {
  display: inline-block;
  margin-bottom: 56px;
  padding: 4px 8px;
  background: var(--amber);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 600;
  text-transform: uppercase;
}

.workflow-grid h3 {
  margin-bottom: 16px;
  font-size: 1.45rem;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.workflow-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.product-view {
  padding-inline: clamp(20px, 5vw, 72px);
  background: var(--ink);
  color: var(--white);
}

.product-view .eyebrow {
  color: var(--cyan);
}

.preview {
  margin: 0;
}

.preview-frame {
  padding: 18px;
  background: #d9e3ea;
  border: 1px solid #8096a8;
}

.preview-frame img {
  width: 100%;
  background: var(--white);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.2);
}

.preview figcaption {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: 20px;
  padding: 18px 0 50px;
}

.preview figcaption span {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
}

.preview figcaption strong {
  font-family: var(--display);
  font-size: 1.2rem;
  line-height: 1.2;
}

.preview-pair {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 34px;
  align-items: end;
}

.preview-cover .preview-frame img {
  aspect-ratio: 0.77;
  object-fit: cover;
}

.preview-cost .preview-frame img {
  aspect-ratio: 1;
  object-fit: cover;
}

.manifest {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 88px;
}

.manifest-intro > p:last-child {
  color: var(--muted);
}

.manifest-list {
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

.manifest-list li {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.manifest-list span,
.manifest-list small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.manifest-list strong {
  font-family: var(--display);
  font-size: 1rem;
}

.boundary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px 80px;
  border-top: 1px solid var(--ink);
}

.chip-list {
  display: flex;
  align-content: flex-start;
  flex-wrap: wrap;
  gap: 10px;
  margin: 47px 0 0;
  padding: 0;
  list-style: none;
}

.chip-list li {
  padding: 9px 12px;
  border: 1px solid var(--ink);
  background: var(--white);
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.boundary-note {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 50px;
  padding: 28px;
  color: var(--white);
  background: var(--ink);
  border-left: 10px solid var(--amber);
}

.boundary-note strong {
  font-family: var(--display);
  font-size: 1.35rem;
}

.boundary-note p {
  margin: 0;
  color: #c8d6df;
}

.launch-card {
  display: grid;
  grid-template-columns: 1.5fr 0.5fr;
  gap: 64px;
  align-items: center;
  padding: clamp(32px, 6vw, 70px);
  background: var(--cyan);
  border: 2px solid var(--ink);
  box-shadow: 14px 14px 0 var(--ink);
}

.launch-card > div:first-child > p:last-child {
  max-width: 620px;
  margin-bottom: 0;
}

.price-block {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-width: 240px;
}

.old-price {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-decoration: line-through;
  text-transform: uppercase;
}

.price-block > strong {
  margin: 4px 0 14px;
  font-family: var(--display);
  font-size: 5.6rem;
  line-height: 1;
  letter-spacing: -0.07em;
}

.price-block sup {
  position: relative;
  top: -1.8rem;
  margin-right: 3px;
  font-size: 1.2rem;
}

.button-disabled {
  color: #9aabb6;
  background: var(--ink);
  cursor: not-allowed;
}

.price-block small {
  margin-top: 12px;
  font-size: 0.7rem;
  text-align: center;
}

.faq-list {
  border-top: 2px solid var(--ink);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  padding: 24px 50px 24px 0;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
}

.faq-list details p {
  max-width: 780px;
  padding-bottom: 24px;
  color: var(--muted);
}

footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 42px 0 54px;
  border-top: 1px solid var(--ink);
}

footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.legal-page {
  min-height: 100vh;
}

.legal-page main {
  max-width: 820px;
  padding: 80px 0 120px;
}

.legal-page h1 {
  margin-bottom: 22px;
  font-size: clamp(3rem, 7vw, 5.7rem);
}

.legal-page h2 {
  margin-top: 48px;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.legal-page main p,
.legal-page main li {
  color: var(--ink-soft);
}

.legal-page .effective {
  margin-bottom: 54px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-board {
    width: min(560px, 95%);
    margin-inline: auto;
  }

  .section-heading,
  .manifest,
  .boundary,
  .launch-card {
    grid-template-columns: 1fr;
  }

  .section-heading .eyebrow {
    grid-row: auto;
  }

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

  .workflow-grid article,
  .workflow-grid article + article {
    padding: 30px 0;
    border-left: 0;
  }

  .workflow-grid article + article {
    border-top: 1px solid var(--line);
  }

  .step-label {
    margin-bottom: 26px;
  }

  .preview-pair {
    grid-template-columns: 1fr 1fr;
  }

  .manifest {
    gap: 38px;
  }

  .boundary-note {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .launch-card {
    gap: 30px;
  }

  .price-block {
    align-items: flex-start;
  }

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

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .site-header,
  main,
  footer {
    width: min(100% - 28px, 1180px);
  }

  .site-header nav {
    display: none;
  }

  .hero {
    gap: 48px;
    padding: 58px 0 70px;
  }

  h1 {
    font-size: clamp(3.2rem, 17vw, 5rem);
  }

  .fact-strip {
    gap: 10px;
  }

  .hero-board {
    width: 95%;
    padding: 16px;
    transform: rotate(0.6deg);
  }

  .evidence-rail li {
    grid-template-columns: 28px 1fr;
  }

  .rail-state {
    grid-column: 2;
    justify-self: start;
  }

  .board-verdict {
    display: block;
  }

  .board-verdict span,
  .board-verdict strong {
    display: block;
  }

  .signal-band {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 82px 0;
  }

  .product-view {
    padding-inline: 16px;
  }

  .preview-pair {
    grid-template-columns: 1fr;
  }

  .preview figcaption {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .manifest-list li {
    grid-template-columns: 32px 1fr;
  }

  .manifest-list small {
    grid-column: 2;
  }

  .chip-list {
    margin-top: 0;
  }

  .launch-card {
    padding: 30px 24px;
    box-shadow: 8px 8px 0 var(--ink);
  }

  footer nav {
    flex-wrap: wrap;
    gap: 16px 22px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}