:root {
  color-scheme: dark;
  --bg: #07111a;
  --panel: #0d1a26;
  --panel-2: #122333;
  --ink: #f4f7fb;
  --muted: #a6b4c3;
  --line: #294052;
  --blue: #5d82ff;
  --mint: #78edc2;
  --amber: #ffd27a;
  --radius: 24px;
  --wrap: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 5%, rgba(93, 130, 255, 0.14), transparent 26rem),
    var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.55;
}

button,
img {
  max-width: 100%;
}

.wrap {
  width: min(var(--wrap), calc(100% - 40px));
  margin-inline: auto;
}

.concept-banner {
  padding: 15px 20px;
  background: var(--amber);
  color: var(--bg);
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-align: center;
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 28px;
  border-bottom: 1px solid var(--line);
}

.brand,
.header-note,
.eyebrow,
.mono-label,
figcaption {
  margin: 0;
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.brand,
.eyebrow {
  color: var(--mint);
}

.header-note,
.mono-label,
figcaption {
  color: var(--muted);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 70px;
  align-items: center;
  padding-block: 90px 76px;
}

.hero-copy {
  max-width: 820px;
}

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

h1 {
  max-width: 820px;
  margin: 24px 0;
  font-size: clamp(46px, 6vw, 76px);
  line-height: 1.01;
  letter-spacing: -0.055em;
}

h2 {
  margin: 14px 0;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.lede,
.section-heading > p:last-child {
  max-width: 760px;
  color: var(--muted);
  font-size: 19px;
}

.price-card,
.test-strip,
.measurement {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.price-card {
  padding: 30px;
}

.price-card .price {
  margin: 8px 0;
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.price-card > p:not(.mono-label) {
  color: var(--muted);
}

.price-card button,
.intent-cta {
  width: 100%;
  margin: 20px 0 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #24374a;
  color: var(--muted);
  font: 750 11px/1.2 ui-monospace, "Cascadia Mono", monospace;
  letter-spacing: 0.04em;
  cursor: not-allowed;
}

.intent-cta {
  display: block;
  background: var(--mint);
  color: var(--bg);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.intent-cta:hover {
  background: #9cf5d4;
}

.intent-cta:focus-visible,
.mail-link:focus-visible,
.back-link:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}

.price-card small {
  display: block;
  color: var(--muted);
}

.test-strip {
  padding: 32px;
}

.test-strip h2 {
  margin: 0 0 24px;
  font: 750 12px/1.2 ui-monospace, "Cascadia Mono", monospace;
  color: var(--mint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.test-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.test-grid p {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
}

.boundary {
  margin: 24px 0 0;
  color: var(--muted);
}

.gallery {
  padding-block: 120px 40px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 54px;
}

figure {
  margin: 0 0 74px;
}

figcaption {
  margin-bottom: 14px;
}

figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

.measurement {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 50px;
  margin-block: 50px 110px;
  padding: 42px;
}

.measurement-grid {
  display: grid;
  gap: 16px;
}

.measurement article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel-2);
}

.measurement article p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.footer {
  padding-block: 40px 70px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer strong {
  color: var(--amber);
}

.intent-main {
  padding-block: 76px 100px;
}

.intent-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 34px;
  align-items: start;
}

.intent-intro,
.intent-actions,
.intent-privacy,
.source-context {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.intent-intro,
.intent-actions,
.intent-privacy {
  padding: 34px;
}

.intent-intro h1 {
  margin-top: 20px;
  font-size: clamp(44px, 6vw, 72px);
}

.intent-intro .lede {
  margin-bottom: 0;
}

.not-transaction {
  display: grid;
  gap: 10px;
  margin-top: 30px;
  padding: 22px;
  border: 1px solid #745633;
  border-radius: 18px;
  background: #332820;
}

.not-transaction strong {
  color: var(--amber);
}

.not-transaction p {
  margin: 0;
  color: var(--ink);
}

.intent-actions h2,
.intent-privacy h2 {
  font-size: 30px;
}

.intent-actions > p,
.intent-privacy > p,
.intent-privacy li {
  color: var(--muted);
}

.mail-actions {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.mail-link {
  display: grid;
  gap: 6px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-2);
  color: var(--ink);
  text-decoration: none;
}

.mail-link strong {
  color: var(--mint);
}

.mail-link span {
  color: var(--muted);
  font-size: 14px;
}

.mail-link:hover {
  border-color: var(--mint);
}

.intent-privacy {
  grid-column: 1 / -1;
}

.intent-privacy ul {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding-left: 20px;
}

.source-context {
  width: fit-content;
  margin-bottom: 20px;
  padding: 10px 14px;
  color: var(--mint);
  font: 750 11px/1.2 ui-monospace, "Cascadia Mono", monospace;
  letter-spacing: 0.05em;
}

.back-link {
  display: inline-block;
  margin-top: 26px;
  color: var(--mint);
  text-underline-offset: 4px;
}

@media (max-width: 820px) {
  .site-header,
  .hero,
  .measurement,
  .intent-shell {
    grid-template-columns: 1fr;
  }

  .site-header {
    display: grid;
  }

  .hero {
    gap: 36px;
    padding-block: 64px;
  }

  .price-card {
    max-width: 420px;
  }

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

  .measurement {
    gap: 24px;
  }

  .intent-privacy {
    grid-column: auto;
  }
}

@media (max-width: 480px) {
  .wrap {
    width: min(100% - 28px, var(--wrap));
  }

  .concept-banner {
    font-size: 10px;
  }

  h1 {
    font-size: 43px;
  }

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

  .gallery {
    padding-top: 84px;
  }

  .measurement {
    padding: 24px;
  }
}

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

@media print {
  body {
    background: var(--bg);
  }

  .concept-banner {
    position: static;
  }
}