/* ============================================================
   Gelonet — дизайн-система
   Жанр: «инженерная записка». Тёплая бумага, серифные заголовки,
   тонкие линии, один акцент. Токены — единственный источник значений:
   поддомены (docs./desk./demo.) наследуют этот же блок.
   ============================================================ */

/* ---------- Шрифты (self-hosted, subset cyrillic+latin) ---------- */

@font-face {
  font-family: "Golos Text";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/golos-text-cyrillic-400-normal.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Golos Text";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/golos-text-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Golos Text";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/golos-text-cyrillic-500-normal.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Golos Text";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/golos-text-cyrillic-700-normal.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Golos Text";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/golos-text-latin-700-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/literata-cyrillic-400-normal.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/literata-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/literata-cyrillic-600-normal.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/literata-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Токены ---------- */

:root {
  --paper: #fbfaf7;
  --paper-2: #f4f2ec;
  --ink: #14161a;
  --ink-2: #3a3f45;
  --ink-3: #6b7076;
  --rule: #dcd8cd;
  --rule-strong: #c4bfb1;
  --accent: #1e3a5f;
  --micro: #a8452a;

  --serif: "Literata", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: "Golos Text", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --wrap: 1120px;
  --measure: 68ch;
  --step: 8px;

  --fs-h1: clamp(2.1rem, 4.6vw, 3.5rem);
  --fs-h2: clamp(1.5rem, 2.6vw, 2.05rem);
  --fs-h3: clamp(1.15rem, 1.6vw, 1.3rem);
  --fs-lead: clamp(1.05rem, 1.5vw, 1.22rem);
  --fs-body: 1.02rem;
  --fs-small: 0.88rem;
  --fs-micro: 0.78rem;
}

/* ---------- База ---------- */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.62;
  font-feature-settings: "kern" 1;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.012em;
  margin: 0 0 calc(var(--step) * 2);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.25; letter-spacing: -0.005em; }

p { margin: 0 0 calc(var(--step) * 2); }
p:last-child { margin-bottom: 0; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: calc(var(--step) * 6) 0;
}

/* ---------- Сетка ---------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: calc(var(--step) * 3.5);
}

.section { padding-block: calc(var(--step) * 9); }
.section--tight { padding-block: calc(var(--step) * 6); }
.section + .section { border-top: 1px solid var(--rule); }

.eyebrow {
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 calc(var(--step) * 1.5);
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 54ch;
}

.muted { color: var(--ink-3); }
.small { font-size: var(--fs-small); }

/* ---------- Шапка ---------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 4);
  min-height: 72px;
  flex-wrap: wrap;
  padding-block: calc(var(--step) * 1.5);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  margin-right: auto;
}
.brand__mark {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.brand__name {
  font-family: var(--serif);
  font-size: 0.9rem;
  color: var(--ink-3);
}

.nav {
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 3);
  flex-wrap: wrap;
}
.nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: var(--fs-small);
  padding-block: 4px;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--rule-strong); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--micro); }

.nav-telegram {
  font-size: var(--fs-small);
  color: var(--accent) !important;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  padding: 6px 12px !important;
  text-decoration: none;
}
.nav-telegram:hover { border-color: var(--accent); }

/* ---------- Первый экран ---------- */

.hero { padding-block: calc(var(--step) * 10) calc(var(--step) * 7); }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(240px, 0.55fr);
  gap: calc(var(--step) * 7);
  align-items: start;
}

.hero h1 { margin-bottom: calc(var(--step) * 3); }
.hero .lead { margin-bottom: calc(var(--step) * 4); }

.actions {
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 3);
  flex-wrap: wrap;
  margin-bottom: calc(var(--step) * 4);
}

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 13px 22px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  transition: background-color 120ms ease, border-color 120ms ease;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}
.btn--ghost:hover { background: transparent; border-color: var(--ink); }

.proof {
  font-size: var(--fs-small);
  color: var(--ink-3);
  border-left: 2px solid var(--micro);
  padding-left: calc(var(--step) * 2);
  max-width: 46ch;
}

/* Карточка автора */

.author-card {
  border: 1px solid var(--rule);
  background: var(--paper-2);
  padding: calc(var(--step) * 3.5);
}
.author-card__photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  margin-bottom: calc(var(--step) * 2.5);
}
.author-card__monogram {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rule-strong);
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: calc(var(--step) * 2.5);
}
.author-card__name {
  font-family: var(--serif);
  font-size: 1.1rem;
  margin: 0 0 4px;
}
.author-card__role {
  font-size: var(--fs-small);
  color: var(--ink-3);
  margin: 0 0 calc(var(--step) * 2);
}
.author-card__note {
  font-size: var(--fs-small);
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0;
}

/* ---------- Лестница предложений ---------- */

.ladder { border-top: 1px solid var(--rule-strong); }

.ladder__row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: calc(var(--step) * 3);
  align-items: baseline;
  padding-block: calc(var(--step) * 3);
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
}
.ladder__row:hover .ladder__title { text-decoration: underline; text-underline-offset: 3px; }

.ladder__num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--micro);
  font-variant-numeric: tabular-nums;
}
.ladder__title {
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 600;
  margin: 0 0 4px;
}
.ladder__desc {
  font-size: var(--fs-small);
  color: var(--ink-3);
  margin: 0;
  max-width: 58ch;
}
.ladder__price {
  font-size: var(--fs-small);
  font-weight: 500;
  white-space: nowrap;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* ---------- Сетки блоков ---------- */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: calc(var(--step) * 5) calc(var(--step) * 6);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: calc(var(--step) * 5) calc(var(--step) * 5);
}

.item { border-top: 1px solid var(--rule-strong); padding-top: calc(var(--step) * 2.5); }
.item h3 { margin-bottom: calc(var(--step) * 1.25); }
.item p { font-size: var(--fs-small); color: var(--ink-2); }

.step__num {
  font-family: var(--serif);
  color: var(--micro);
  font-size: 0.9rem;
  display: block;
  margin-bottom: calc(var(--step) * 1.5);
}

/* ---------- Текст страниц ---------- */

.prose { max-width: var(--measure); }
.prose h2 { margin-top: calc(var(--step) * 6); }
.prose h3 { margin-top: calc(var(--step) * 4); }
.prose ul, .prose ol { padding-left: 1.25em; margin: 0 0 calc(var(--step) * 2); }
.prose li { margin-bottom: calc(var(--step) * 1); }
.prose blockquote {
  margin: calc(var(--step) * 4) 0;
  padding-left: calc(var(--step) * 3);
  border-left: 2px solid var(--micro);
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--ink-2);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
  margin: calc(var(--step) * 3) 0;
}
.prose th, .prose td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.prose th { font-weight: 500; color: var(--ink-3); }

@media (max-width: 700px) {
  .prose table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .prose table th, .prose table td { white-space: nowrap; }
}

.page-head { padding-block: calc(var(--step) * 8) calc(var(--step) * 5); border-bottom: 1px solid var(--rule); }
.page-head h1 { max-width: 30ch; }

/* ---------- Цены ---------- */

.price-block {
  border: 1px solid var(--rule-strong);
  background: var(--paper-2);
  padding: calc(var(--step) * 4);
}
.price-block__value {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 600;
  margin: 0 0 6px;
}
.price-block__note { font-size: var(--fs-small); color: var(--ink-3); margin: 0; }

/* ---------- Призыв ---------- */

.cta {
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
  padding-block: calc(var(--step) * 8);
}
.cta h2 { max-width: 26ch; }

/* ---------- Подвал ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: calc(var(--step) * 6);
  font-size: var(--fs-small);
  color: var(--ink-3);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: calc(var(--step) * 4);
}
.site-footer a { color: var(--ink-2); }
.site-footer__title {
  font-family: var(--sans);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: calc(var(--step) * 1.5);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 6px; }

/* ---------- Список статей ---------- */

.post-list { border-top: 1px solid var(--rule-strong); }
.post-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: calc(var(--step) * 3);
  padding-block: calc(var(--step) * 3);
  border-bottom: 1px solid var(--rule);
}
.post-row time {
  font-size: var(--fs-small);
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.post-row h3 { margin: 0 0 4px; font-size: 1.15rem; }
.post-row a { text-decoration: none; color: var(--ink); }
.post-row a:hover h3 { text-decoration: underline; text-underline-offset: 3px; }
.post-row p { font-size: var(--fs-small); color: var(--ink-3); margin: 0; }

.article-head { padding-block: calc(var(--step) * 8) calc(var(--step) * 4); border-bottom: 1px solid var(--rule); }
.article-head h1 { max-width: 32ch; }
.article-meta { font-size: var(--fs-small); color: var(--ink-3); }

/* ---------- Адаптив ---------- */

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: calc(var(--step) * 5); }
  .grid-3 { grid-template-columns: minmax(0, 1fr); }
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .site-footer__grid { grid-template-columns: minmax(0, 1fr); }
  .ladder__row { grid-template-columns: 32px minmax(0, 1fr); }
  .ladder__price { grid-column: 2; }
  .author-card { max-width: 320px; }
}

@media (max-width: 560px) {
  .wrap { padding-inline: calc(var(--step) * 2.5); }
  .site-header__inner { gap: calc(var(--step) * 2); }
  .brand { width: 100%; }
  .nav { gap: calc(var(--step) * 2); }
  .post-row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
}