:root {
  --surface: #f2ece1;
  --on-surface: #0f1413;
  --on-surface-variant: #3d4442;
  --text-muted: #5f6663;
  --outline: #ddd3c2;
  --outline-variant: #e7dfd1;
  --primary: #00695c;
  --surface-elevated: #faf6ee;
  --panel-surface: #00544a;
  --on-panel-surface: #ffffff;
  --inverse-on-surface-variant: #cadfd6;
  --inverse-primary: #62cfa6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #0e1211;
    --on-surface: #f1f4f3;
    --on-surface-variant: #c3cac7;
    --text-muted: #9aa3a0;
    --outline: #2a302e;
    --outline-variant: #202524;
    --primary: #7fb09f;
    --surface-elevated: #171c1b;
    --panel-surface: #f2ece1;
    --on-panel-surface: #0f1413;
    --inverse-on-surface-variant: #5f6663;
    --inverse-primary: #00695c;
  }
}

@font-face {
  font-family: Literata;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/Literata-600-latin-cyrillic.woff2") format("woff2");
}

@font-face {
  font-family: Literata;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/Literata-400-latin-cyrillic.woff2") format("woff2");
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--on-surface);
  background: var(--surface);
  margin: 0;
}

main,
footer {
  max-width: 68ch;
  margin-inline: auto;
  padding: 24px 16px;
}

h1, h2, h3 {
  font-family: Literata, Georgia, serif;
  font-weight: 600;
  text-wrap: balance;
}

h1 {
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.4px;
  margin: 0 0 12px;
}

h2 {
  font-size: 24px;
  line-height: 1.25;
  margin: 32px 0 12px;
}

h3 {
  font-size: 19px;
  line-height: 1.3;
  margin: 32px 0 12px;
}

p {
  margin: 0 0 16px;
}

main p,
main li,
main dd,
main td {
  color: var(--on-surface-variant);
}

main h1 + p {
  font-size: 19px;
  line-height: 1.5;
}

strong {
  color: var(--on-surface);
}

ul,
ol {
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

hr {
  border: 0;
  height: 1px;
  background: var(--outline);
  margin: 32px 0;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 15px;
}

th,
td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--outline-variant);
}

th {
  color: var(--text-muted);
  font-weight: 500;
}

dt {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

dd {
  margin: 4px 0 16px;
  font-size: 15px;
  line-height: 1.5;
}

footer {
  border-top: 1px solid var(--outline);
  margin-top: 48px;
  color: var(--text-muted);
}

footer > * {
  font-size: 15px;
}

main.chooser ul {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

main.chooser li {
  border-top: 1px solid var(--outline-variant);
  padding: 8px 0;
}

main.chooser li:first-child {
  border-top: 0;
}

.chooser-lang {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin: 0 0 4px;
}

main.chooser a {
  display: flex;
  align-items: center;
  min-height: 44px;
}

header {
  max-width: 1052px;
  margin-inline: auto;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--outline);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: Literata, Georgia, serif;
  font-weight: 600;
  font-size: 19px;
  color: var(--on-surface);
  text-decoration: none;
}

.brand-sign {
  width: 26px;
  height: 26px;
  color: var(--primary);
  flex-shrink: 0;
}

.langs {
  margin-left: auto;
  display: flex;
  gap: 14px;
  font-size: 14px;
  flex-wrap: wrap;
}

.langs [aria-current] {
  color: var(--text-muted);
}

header a {
  text-decoration: none;
}

.site-nav {
  display: none;
}

.site-nav [aria-current] {
  color: var(--primary);
  font-weight: 600;
}

@media (min-width: 800px) {
  .site-nav {
    margin-left: auto;
    display: flex;
    gap: 24px;
    font-size: 15px;
  }

  .site-nav + .langs {
    margin-left: 0;
    padding-left: 20px;
    border-left: 1px solid var(--outline);
  }
}

.channels {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 0 0 16px;
}

.channel {
  flex: 1 1 240px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--outline);
  border-radius: 12px;
  text-decoration: none;
}

.channel-sign {
  width: 40px;
  height: 40px;
  color: var(--primary);
  flex-shrink: 0;
}

.channel-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.channel-label {
  font-size: 13px;
  color: var(--text-muted);
}

.channel-value {
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
}

.callout {
  padding: 16px 20px;
  border-left: 2px solid var(--primary);
  background: var(--surface-elevated);
  color: var(--on-surface-variant);
}

@media (min-width: 560px) {
  dl {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    row-gap: 10px;
    column-gap: 20px;
  }

  dt,
  dd {
    margin: 0;
  }
}

main.landing {
  max-width: none;
  padding: 0;
}

main.landing ~ footer {
  max-width: 1052px;
  box-sizing: border-box;
}

.landing section {
  max-width: 1052px;
  margin-inline: auto;
  padding-inline: 16px;
  box-sizing: border-box;
}

.landing h1,
.landing h2,
.landing h3,
.landing p {
  margin: 0;
}

.landing .hero {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-block: 40px 36px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.landing h1 {
  font-size: 40px;
  line-height: 1.06;
  letter-spacing: -0.9px;
}

.landing .lead {
  font-size: 17px;
  line-height: 1.5;
}

.landing .note {
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-muted);
}

.landing .soon {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
}

.hero-sign {
  width: 150px;
  height: 163px;
  align-self: center;
  color: var(--primary);
  stroke-width: 0.62;
}

.landing .problem {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-block: 0 40px;
}

.landing .quote {
  font-family: Literata, Georgia, serif;
  font-weight: 400;
  font-size: 20px;
  line-height: 1.45;
  color: var(--on-surface);
  padding-left: 18px;
  border-left: 2px solid var(--primary);
}

.landing .aside {
  color: var(--text-muted);
}

.landing .features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-block: 0 40px;
}

.landing h2 {
  font-size: 28px;
  line-height: 1.15;
}

.feature {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--outline);
  border-radius: 12px;
}

.feature-text {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-row {
  display: grid;
  gap: 16px;
}

.feature-sign {
  width: 40px;
  height: 40px;
  color: var(--primary);
  flex-shrink: 0;
}

.landing h3 {
  font-size: 19px;
  line-height: 1.25;
}

.feature p {
  font-size: 15px;
  line-height: 1.6;
}

.landing .privacy {
  max-width: none;
  padding: 32px 16px;
  background: var(--panel-surface);
  color: var(--on-panel-surface);
}

.privacy-inner {
  max-width: 1020px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.privacy-text {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.privacy-sign {
  width: 48px;
  height: 48px;
  color: var(--inverse-primary);
}

.landing .privacy h2 {
  font-size: 26px;
  line-height: 1.2;
}

.landing .privacy p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--inverse-on-surface-variant);
}

.landing .privacy p:first-of-type {
  color: var(--on-panel-surface);
}

.landing .privacy a {
  color: var(--inverse-primary);
  font-weight: 600;
}

.landing .final-call {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-block: 40px;
}

@media (min-width: 800px) {
  .landing .hero {
    flex-direction: row;
    align-items: center;
    gap: 72px;
    padding-block: 96px 84px;
  }

  .hero-text {
    flex: 1;
    gap: 26px;
  }

  .landing h1 {
    font-size: 68px;
    line-height: 1.04;
    letter-spacing: -1.4px;
  }

  .landing .lead {
    font-size: 21px;
    max-width: 580px;
  }

  .landing .note {
    font-size: 15px;
  }

  .hero-sign {
    width: 236px;
    height: 256px;
    stroke-width: 0.78;
  }

  .landing .problem {
    flex-direction: row;
    align-items: flex-start;
    gap: 72px;
    padding-block: 40px 108px;
  }

  .landing .quote {
    flex: 0 1 640px;
    font-size: 31px;
    line-height: 1.4;
    padding-left: 32px;
  }

  .landing .aside {
    flex: 1;
    padding-top: 12px;
    font-size: 17px;
  }

  .landing .features {
    gap: 36px;
    padding-block: 0 112px;
  }

  .landing h2 {
    font-size: 38px;
    letter-spacing: -0.6px;
  }

  .feature-wide {
    flex-direction: row;
    align-items: center;
    gap: 48px;
    padding: 40px 44px;
  }

  .feature-sign-wide {
    width: 60px;
    height: 60px;
  }

  .feature-wide h3 {
    font-size: 29px;
    line-height: 1.2;
    letter-spacing: -0.4px;
  }

  .feature-wide p {
    font-size: 17px;
    max-width: 720px;
  }

  .feature-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .feature-row .feature {
    padding: 30px;
    gap: 14px;
  }

  .feature-row h3 {
    font-size: 22px;
  }

  .feature-row p {
    font-size: 16px;
  }

  .landing .privacy {
    padding: 112px 16px;
  }

  .privacy-inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 72px;
  }

  .privacy-sign {
    width: 76px;
    height: 76px;
    flex-shrink: 0;
    margin-top: 6px;
  }

  .privacy-text {
    max-width: 760px;
    gap: 20px;
  }

  .landing .privacy h2 {
    font-size: 38px;
    letter-spacing: -0.6px;
  }

  .landing .privacy p {
    font-size: 18px;
  }

  .landing .final-call {
    flex-direction: row;
    align-items: center;
    gap: 64px;
    padding-block: 96px;
  }

  .landing .final-call h2 {
    flex: 1;
    font-size: 42px;
    letter-spacing: -0.8px;
  }
}

.toc {
  display: none;
}

.toc-label {
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.toc a {
  text-decoration: none;
  color: var(--text-muted);
  border-left: 2px solid var(--outline);
  padding-left: 12px;
}

.toc a:hover,
.toc a:focus-visible {
  color: var(--primary);
  border-left-color: var(--primary);
}

#contacts {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--outline);
}

#contacts h2 {
  font-size: 21px;
  margin: 0 0 16px;
}

@media (min-width: 1100px) {
  main.doc {
    max-width: calc(220px + 72px + 760px);
    display: grid;
    grid-template-columns: 220px minmax(0, 760px);
    column-gap: 72px;
    align-items: start;
  }

  main.doc .toc {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    padding-top: 14px;
  }

  main.doc ~ footer {
    transform: translateX(146px);
    max-width: 760px;
  }
}

#faq .faq-item {
  padding-bottom: 22px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--outline-variant);
}

#faq .faq-item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

#faq > h2 {
  margin-bottom: 22px;
}

#faq h3 {
  font-family: inherit;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--on-surface);
  margin: 0;
}

#faq .faq-item p {
  margin: 8px 0 0;
}

@keyframes draw {
  from { stroke-dashoffset: 100; }
  to { stroke-dashoffset: 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-sign path {
    stroke-dasharray: 100;
    animation: draw 1.6s cubic-bezier(.4, 0, .2, 1) both;
  }
  .hero-sign path:nth-of-type(2) { animation-delay: .55s; }
  .hero-sign path:nth-of-type(3) { animation-delay: 1.1s; }
  .hero-sign path:nth-of-type(4) { animation-delay: 1.5s; }

  @supports (animation-timeline: view()) {
    .feature {
      view-timeline: --glyph block;
    }
    .feature-sign path,
    .feature-sign circle {
      stroke-dasharray: 100;
      animation: draw linear both;
      animation-timeline: --glyph;
      animation-range: entry 0% entry 100%;
    }
    .privacy-sign path,
    .privacy-sign circle {
      stroke-dasharray: 100;
      animation: draw linear both;
      animation-timeline: view();
      animation-range: entry 0% cover 50%;
    }
  }
}