:root {
  --graphite: #1c2420;
  --graphite-soft: #29312d;
  --paper: #f5f4ef;
  --white: #ffffff;
  --ink: #17201b;
  --muted: #66716a;
  --line: #d8dcd6;
  --line-dark: #3c4842;
  --accent: #24745e;
  --accent-soft: #e7f1ed;
  --warning: #a36a19;
  --radius: 8px;
  --content: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

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

img {
  max-width: 100%;
}

code,
.eyebrow,
.brand small,
.step-number {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.site-header {
  background: var(--graphite);
  color: #f1f4f1;
}

.nav,
.hero,
.promise-band,
.section,
.status-band,
.beta-band,
footer {
  width: min(var(--content), calc(100% - 40px));
  margin-inline: auto;
}

.nav {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid #718079;
  border-radius: 6px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
}

.brand small {
  color: #aeb9b3;
  font-size: 10px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #c9d1cd;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: #ffffff;
}

main {
  overflow: hidden;
}

.hero {
  padding: 72px 0 0;
}

.hero-copy {
  max-width: 850px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.status-band .eyebrow,
.beta-band .eyebrow {
  color: #91c6b5;
}

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

h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-size: clamp(46px, 7vw, 80px);
  line-height: 1;
}

h2 {
  max-width: 780px;
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

h3 {
  margin-bottom: 6px;
  font-size: 20px;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 720px;
  color: #526159;
  font-size: clamp(18px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 30px 0 42px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: #eef3ef;
  color: var(--ink);
  font-weight: 800;
  padding: 0 18px;
}

.text-link {
  color: #46554d;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--ink);
}

.hero-preview {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-bottom: 0;
  background: #111815;
}

.hero-preview img {
  display: block;
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  object-position: top left;
}

.hero-preview figcaption {
  padding: 13px 16px;
  border-top: 1px solid var(--line-dark);
  color: #b8c2bd;
  font-size: 13px;
}

.promise-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--white);
}

.promise-band div {
  display: flex;
  min-height: 76px;
  align-items: center;
  gap: 12px;
  padding: 0 22px;
  border-right: 1px solid var(--line);
}

.promise-band div:last-child {
  border-right: 0;
}

.promise-band span {
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.section {
  padding: 92px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 800px;
  margin-bottom: 46px;
}

.section-heading.compact {
  margin-bottom: 34px;
}

.section-heading > p:not(.eyebrow),
.quiet {
  color: var(--muted);
}

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

.flow-list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 20px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.flow-list p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
}

.step-number {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.requirements-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  background: var(--white);
}

.requirements-grid > div {
  padding: 32px;
}

.requirements-grid > div + div {
  border-left: 1px solid var(--line);
}

.requirements-grid ul {
  margin: 18px 0;
  padding-left: 20px;
}

.requirements-grid li {
  margin-bottom: 9px;
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.screen {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.screen a {
  display: block;
  background: #e9ece8;
}

.screen img {
  display: block;
  width: 100%;
  height: 270px;
  object-fit: cover;
  object-position: top left;
}

.screen figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 17px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.screen figcaption span {
  color: var(--muted);
  text-align: right;
}

.status-band,
.beta-band {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  margin-block: 92px;
  padding: 48px;
  border-radius: var(--radius);
  background: var(--graphite);
  color: #edf2ef;
}

.status-copy p:not(.eyebrow),
.beta-band p:not(.eyebrow) {
  color: #b9c3be;
}

.status-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.status-list div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-dark);
}

.status-list dt {
  color: #96a49d;
  font-size: 12px;
  text-transform: uppercase;
}

.status-list dd {
  margin: 0;
  font-weight: 700;
}

.safety-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.safety-list p {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 24px 24px 24px 0;
  border-bottom: 1px solid var(--line);
}

.safety-list p:nth-child(odd) {
  padding-right: 36px;
  border-right: 1px solid var(--line);
}

.safety-list p:nth-child(even) {
  padding-left: 36px;
}

.safety-list span {
  color: var(--muted);
}

.beta-band {
  align-items: center;
  margin-bottom: 48px;
}

.beta-facts {
  display: grid;
  border-top: 1px solid var(--line-dark);
}

.beta-facts span {
  padding: 13px 0;
  border-bottom: 1px solid var(--line-dark);
  color: #d7dfdb;
  font-weight: 700;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 0 0 44px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px 0;
  }

  .nav-links {
    width: 100%;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 4px;
    white-space: nowrap;
  }

  .requirements-grid,
  .status-band,
  .beta-band {
    grid-template-columns: 1fr;
  }

  .requirements-grid > div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .status-band,
  .beta-band {
    gap: 30px;
  }
}

@media (max-width: 600px) {
  .nav,
  .hero,
  .promise-band,
  .section,
  .status-band,
  .beta-band,
  footer {
    width: min(var(--content), calc(100% - 24px));
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-preview img {
    min-height: 260px;
  }

  .promise-band,
  .screen-grid,
  .safety-list {
    grid-template-columns: 1fr;
  }

  .promise-band div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .promise-band div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 66px 0;
  }

  .flow-list li {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 10px;
  }

  .screen img {
    height: 210px;
  }

  .screen figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .screen figcaption span {
    text-align: left;
  }

  .status-band,
  .beta-band {
    margin-block: 66px;
    padding: 28px 22px;
  }

  .status-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .safety-list p,
  .safety-list p:nth-child(odd),
  .safety-list p:nth-child(even) {
    padding: 20px 0;
    border-right: 0;
  }

  footer {
    flex-direction: column;
  }
}