/* SurgiLog — public site
   Palette taken from the operating theatre itself: surgical drapes are that
   desaturated teal because it is the complement of blood red. */

:root {
  --ground: #f2f4f1;
  --surface: #ffffff;
  --ink: #0e1a1c;
  --muted: #5e6e6c;
  --drape: #2f6e68;
  --drape-deep: #1b4a46;
  --line: #d3dad6;
  --warn: #8a5a1f;

  --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --ground: #0c1416;
    --surface: #131f21;
    --ink: #e8eeec;
    --muted: #9aaba8;
    --drape: #63b3aa;
    --drape-deep: #8fcfc6;
    --line: #24383a;
    --warn: #d9a25c;
  }
}

:root[data-theme='dark'] {
  --ground: #0c1416;
  --surface: #131f21;
  --ink: #e8eeec;
  --muted: #9aaba8;
  --drape: #63b3aa;
  --drape-deep: #8fcfc6;
  --line: #24383a;
  --warn: #d9a25c;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--drape);
  text-underline-offset: 3px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--drape);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: 860px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------------------------------------------------------------- masthead */

.masthead {
  border-bottom: 1px solid var(--line);
  padding-block: 20px;
}

.masthead .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  text-decoration: none;
}

.mark {
  width: 22px;
  height: 22px;
  flex: none;
}

.masthead nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  font-weight: 600;
}

.masthead nav a {
  color: var(--muted);
  text-decoration: none;
}

.masthead nav a:hover {
  color: var(--drape);
}

/* -------------------------------------------------------------------- hero */

.hero {
  padding-block: 72px 56px;
}

.eyebrow {
  font-family: var(--display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--drape);
  margin: 0 0 18px;
}

h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
  margin: 0 0 20px;
  max-width: 16ch;
}

.lede {
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 36px;
}

/* --------------------------------------------------- the hashing demo */

.demo {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px;
  max-width: 560px;
}

.demo-label {
  font-family: var(--display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}

.demo input {
  width: 100%;
  font-family: var(--mono);
  font-size: 17px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ground);
  color: var(--ink);
}

.demo-arrow {
  color: var(--muted);
  font-size: 13px;
  margin: 14px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.demo-arrow::before {
  content: '';
  flex: none;
  width: 18px;
  height: 1px;
  background: var(--line);
}

.demo-out {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
  font-family: var(--mono);
  font-size: 14px;
  align-items: baseline;
}

.demo-out dt {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.demo-out dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--drape-deep);
  font-weight: 500;
}

.demo-note {
  font-size: 13px;
  color: var(--muted);
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

/* ---------------------------------------------------------------- sections */

section {
  padding-block: 56px;
  border-top: 1px solid var(--line);
}

h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.5vw, 1.9rem);
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0 0 8px;
}

.section-intro {
  color: var(--muted);
  max-width: 58ch;
  margin: 0 0 34px;
}

.features {
  display: grid;
  gap: 0;
  margin: 0;
}

.features > div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 8px 32px;
  padding-block: 22px;
  border-top: 1px solid var(--line);
  align-items: start;
}

.features > div:first-child {
  border-top: none;
  padding-top: 0;
}

.features dt {
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.features dd {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 620px) {
  .features > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* ----------------------------------------------------------------- pricing */

.plans {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.plan {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px;
}

.plan.is-featured {
  border-color: var(--drape);
}

.plan h3 {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--drape-deep);
  border: 1px solid var(--drape);
  border-radius: 2px;
  padding: 2px 6px;
}

.price {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  margin: 6px 0 2px;
}

.price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
}

.plan p {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* ------------------------------------------------------------------ footer */

footer {
  border-top: 1px solid var(--line);
  padding-block: 40px 56px;
  font-size: 14px;
  color: var(--muted);
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  align-items: baseline;
}

footer nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------ legal pages */

.legal {
  padding-block: 56px 72px;
}

.legal .wrap {
  max-width: 720px;
}

.legal h1 {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  max-width: none;
  margin-bottom: 6px;
}

.updated {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 40px;
}

.legal h2 {
  font-size: 1.15rem;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.legal h3 {
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 600;
  margin: 26px 0 6px;
}

.legal p,
.legal li {
  max-width: 68ch;
}

.legal ul {
  padding-left: 20px;
}

.legal li {
  margin-bottom: 8px;
}

.callout {
  background: var(--surface);
  border-left: 3px solid var(--drape);
  padding: 18px 20px;
  margin: 26px 0;
  border-radius: 0 3px 3px 0;
}

.callout p {
  margin: 0;
}

.callout strong {
  font-family: var(--display);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}