/* Knotwell site. Tokens mirror the app design system: discreet and warm, one plum accent, no shadows. */
@font-face {
  font-family: 'Young Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/young-serif-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/hanken-grotesk-latin.woff2') format('woff2');
}

:root {
  color-scheme: light dark;
  --surface-100: #f8f2f0;
  --surface-200: #ffffff;
  --surface-300: #f0e6e4;
  --ink: #24191c;
  --ink-muted: #5f5155;
  --line: #e6dad8;
  --line-strong: #948286;
  --plum: #7a2e4a;
  --on-plum: #ffffff;
  --plum-soft: #efdde3;
  --answer-yes: #2b6a6e;
  --answer-conditions: #3f5f8f;
  --answer-maybe: #8a5a12;
  --answer-fantasy: #6a4b8c;

  --s1: 4px;
  --s2: 8px;
  --s3: 16px;
  --s4: 24px;
  --s5: 32px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 24px;
  --r-pill: 999px;

  --serif: 'Young Serif', Georgia, 'Times New Roman', serif;
  --sans: 'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-100: #161113;
    --surface-200: #211a1c;
    --surface-300: #2c2326;
    --ink: #f3ebec;
    --ink-muted: #b3a5a8;
    --line: #3a3033;
    --line-strong: #7a6a6d;
    --plum: #e09ab2;
    --on-plum: #2a0f19;
    --plum-soft: #3d2530;
    --answer-yes: #7cc4c0;
    --answer-conditions: #9db8e6;
    --answer-maybe: #e0b264;
    --answer-fantasy: #c3a8e6;
  }
}

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

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

body {
  margin: 0;
  background: var(--surface-100);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.2;
  margin: 0;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3.5rem);
  letter-spacing: -0.01em;
}
h2 {
  font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem);
}
h3 {
  font-size: 1.25rem;
}

p,
ul,
ol,
dl {
  margin: 0;
}
p,
dd,
li {
  text-wrap: pretty;
}

a {
  color: var(--plum);
  text-underline-offset: 3px;
}
a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--plum);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

@media (prefers-reduced-motion: no-preference) {
  a,
  .btn {
    transition:
      background-color 120ms ease-out,
      color 120ms ease-out;
  }
  .lang-switch:active {
    transform: translateY(1px);
  }
}

.skip {
  position: absolute;
  left: var(--s3);
  top: var(--s2);
  padding: var(--s2) var(--s3);
  background: var(--plum);
  color: var(--on-plum);
  border-radius: var(--r-sm);
  transform: translateY(-200%);
  z-index: 10;
}
.skip:focus {
  transform: none;
}

.wrap {
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: var(--s3);
}
@media (min-width: 720px) {
  .wrap {
    padding-inline: var(--s4);
  }
}

.narrow {
  max-width: 720px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  padding-block: var(--s2);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  min-height: 44px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1;
}
.logo {
  display: block;
  flex: none;
  width: 32px;
  height: 32px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--s3);
}
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  text-decoration: none;
}
.site-nav a:hover {
  color: var(--plum);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.site-nav a[aria-current='page'] {
  text-decoration: underline;
  text-decoration-color: var(--plum);
  text-underline-offset: 4px;
}
.lang-switch {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  padding-inline: var(--s3);
  font-weight: 600;
  font-size: 0.9375rem;
}
.lang-switch:hover {
  background: var(--surface-300);
  text-decoration: none !important;
}

/* Sections */
.section {
  padding-block: calc(var(--s5) * 2);
}
.section-alt {
  background: var(--surface-300);
}
.section-last {
  padding-block: calc(var(--s5) * 2) var(--s5);
}
.section-head {
  margin-bottom: var(--s5);
  max-width: 640px;
}
.section-head h2 {
  margin-bottom: var(--s3);
}
.section-head p {
  color: var(--ink-muted);
}

/* The six answer colours, small: a divider that points back at the scale. */
.dots {
  display: flex;
  gap: 6px;
  margin-bottom: var(--s3);
}
.dots i {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: var(--r-pill);
}
.dots .m-no {
  border: 1px solid var(--line-strong);
}

/* Hero */
.hero {
  padding-block: calc(var(--s5) * 1.5) var(--s3);
}
.hero h1 {
  max-width: 20em;
}
.lead {
  font-size: 1.1875rem;
  color: var(--ink);
  margin-top: var(--s4);
  max-width: 34em;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2) var(--s4);
  margin-top: var(--s4);
}
.status {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: var(--s2) var(--s3);
  border: 1px solid var(--plum);
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.3;
}
.status-dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--plum);
}
.how-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 600;
}

/* Answer scale: the signature element. A ladder, six rungs, the last two closed. */
.scale {
  margin-top: calc(var(--s5) * 1.5);
  padding-top: var(--s4);
  border-top: 1px solid var(--line);
}
.scale-title {
  font-family: var(--serif);
  font-size: 1.375rem;
  line-height: 1.2;
}
.scale-intro {
  color: var(--ink-muted);
  margin-top: var(--s2);
  max-width: 40em;
}
.scale-list {
  list-style: none;
  padding: 0;
  margin-top: var(--s4);
}
.scale-list li {
  position: relative;
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  column-gap: var(--s3);
  padding-block: 12px;
  align-items: start;
}
.scale-list li:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 33px;
  bottom: -19px;
  width: 1px;
  background: var(--line-strong);
}
.scale-list .word {
  font-weight: 600;
}
.scale-list .says {
  grid-column: 2;
  color: var(--ink-muted);
  line-height: 1.4;
}
.scale-list .closed .word,
.scale-list .closed .says {
  color: var(--ink-muted);
}
.marker {
  width: 14px;
  height: 14px;
  margin-top: 7px;
  border-radius: var(--r-pill);
  display: inline-block;
  grid-row: 1;
  outline: 1px solid var(--line-strong);
  outline-offset: 2px;
}
.m-yes {
  background: var(--answer-yes);
}
.m-conditions {
  background: var(--answer-conditions);
}
.m-maybe {
  background: var(--answer-maybe);
}
.m-fantasy {
  background: var(--answer-fantasy);
}
.m-no {
  background: var(--surface-100);
  border: 2px solid var(--line-strong);
}
.m-hard {
  background: var(--ink-muted);
}
.scale-note {
  margin-top: var(--s3);
  max-width: 40em;
  color: var(--ink-muted);
}
@media (min-width: 900px) {
  .scale-list {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin-top: var(--s5);
  }
  .scale-list li {
    display: block;
    padding: 0 var(--s3) 0 0;
  }
  .scale-list li:not(:last-child)::after {
    left: 28px;
    right: 12px;
    top: 7px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
  .marker {
    display: block;
    margin: 0 0 var(--s3);
  }
  .scale-list .word {
    display: block;
  }
  .scale-list .says {
    display: block;
    margin-top: var(--s1);
    font-size: 0.9375rem;
  }
}

/* Steps: a vertical timeline */
.how-grid {
  display: grid;
  gap: var(--s4);
}
@media (min-width: 900px) {
  .how-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    gap: calc(var(--s5) * 2);
    align-items: start;
  }
  .how-grid .section-head {
    margin-bottom: 0;
  }
}
.steps {
  list-style: none;
  padding: 0;
  counter-reset: step;
  max-width: 34em;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 var(--s5) 56px;
}
.steps li:last-child {
  padding-bottom: 0;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-pill);
  background: var(--plum-soft);
  color: var(--plum);
  font-weight: 700;
}
.steps li:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 15px;
  top: 40px;
  bottom: 8px;
  width: 1px;
  background: var(--line-strong);
}
.steps h3 {
  margin-bottom: var(--s2);
  padding-top: 2px;
}
.steps p {
  color: var(--ink-muted);
}

/* Privacy facts, in two clusters */
.fact-group {
  display: grid;
  gap: var(--s2) calc(var(--s5) * 2);
  padding-top: var(--s4);
  margin-top: var(--s4);
  border-top: 1px solid var(--line-strong);
}
.fact-group h3 {
  font-size: 1.375rem;
}
@media (min-width: 900px) {
  .fact-group {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr);
  }
}
.facts {
  display: grid;
  gap: var(--s4) calc(var(--s5) * 1.5);
}
@media (min-width: 720px) {
  .facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.facts dt {
  font-weight: 600;
}
.facts dt .marker {
  display: inline-block;
  margin: 0 var(--s2) 0 0;
  vertical-align: -1px;
  width: 12px;
  height: 12px;
}
.facts dd {
  margin: var(--s1) 0 0;
  color: var(--ink-muted);
}
.know {
  margin-top: calc(var(--s5) * 1.5);
  padding-left: var(--s4);
  border-left: 2px solid var(--plum);
}
.know h3 {
  margin-bottom: var(--s3);
}
.know ul {
  padding-left: var(--s4);
  display: grid;
  gap: var(--s2);
  max-width: 44em;
}
.know-more {
  margin-top: var(--s4);
}

.age-block > * {
  max-width: 640px;
}
.age-block p {
  color: var(--ink-muted);
  margin-top: var(--s2);
}

/* Prose pages */
.prose {
  padding-block: calc(var(--s5) * 2);
}
.prose h1 {
  margin-bottom: var(--s3);
}
.prose .lead {
  margin-top: 0;
  color: var(--ink-muted);
}
.prose .updated {
  margin-top: var(--s2);
  color: var(--ink-muted);
  font-size: 0.9375rem;
}
.prose section {
  margin-top: calc(var(--s5) * 1.5);
}
.prose h2 {
  margin-bottom: var(--s3);
}
.prose p + p,
.prose p + ul,
.prose ul + p {
  margin-top: var(--s3);
}
.prose ul {
  padding-left: var(--s4);
  display: grid;
  gap: var(--s2);
}
.table-scroll {
  overflow-x: auto;
  margin-top: var(--s3);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface-200);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  min-width: 520px;
}
.prose th,
.prose td {
  text-align: left;
  vertical-align: top;
  padding: var(--s3);
  border-top: 1px solid var(--line);
}
.prose thead th {
  border-top: 0;
  background: var(--surface-300);
}
.prose .after {
  margin-top: var(--s3);
}

/* Invite page */
.invite {
  padding-block: calc(var(--s5) * 2);
}
.invite .panel:not([hidden]) ~ .panel:not([hidden]) {
  margin-top: calc(var(--s5) * 1.5);
  padding-top: calc(var(--s5) * 1.5);
  border-top: 1px solid var(--line);
}
.invite h1 {
  font-size: clamp(1.75rem, 1.3rem + 2vw, 2.5rem);
}
.invite p {
  margin-top: var(--s3);
}
.invite .muted {
  color: var(--ink-muted);
  font-size: 0.9375rem;
}
.btn {
  display: inline-block;
  margin-top: var(--s4);
  padding: var(--s3) var(--s4);
  border-radius: var(--r-pill);
  background: var(--plum);
  color: var(--on-plum);
  font-weight: 700;
  text-decoration: none;
}
.btn:hover {
  filter: brightness(1.08);
}
.btn[aria-disabled='true'] {
  background: var(--surface-300);
  color: var(--ink-muted);
  pointer-events: none;
}
.lang-btn {
  margin-top: var(--s4);
  font: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  padding: var(--s1) var(--s3);
  cursor: pointer;
}
.lang-btn:hover {
  background: var(--surface-300);
}
[hidden] {
  display: none !important;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface-100);
  color: var(--ink-muted);
  font-size: 0.9375rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3) var(--s5);
  justify-content: space-between;
  padding-block: var(--s4);
}
.site-footer p + p {
  margin-top: var(--s1);
}
.site-footer nav {
  display: flex;
  gap: var(--s4);
  align-items: flex-start;
}
.site-footer a {
  color: var(--ink);
}