/* ==========================================================================
   CTS — кастомные стили поверх Pico v2 (classless, blue)
   Подключается ПОСЛЕ pico.classless.blue.min.css
   ========================================================================== */

:root {
  /* Шрифт основного текста переопределяем поверх Pico */
  --pico-font-family-sans-serif: "Exo 2", system-ui, -apple-system, sans-serif;
  --pico-font-family: var(--pico-font-family-sans-serif);

  --cts-accent: var(--pico-primary);
  --cts-rule: color-mix(in srgb, var(--pico-muted-color) 25%, transparent);
  --cts-border: color-mix(in srgb, var(--pico-muted-color) 45%, transparent);
  --cts-mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono",
              Consolas, "Courier New", monospace;
  --cts-max-text: 68ch;
  --cts-max-page: 1100px;
}

body > header,
body > main,
body > footer {
  max-width: var(--cts-max-page);
}

/* --- Шапка ---------------------------------------------------------------- */
.site-header {
  position: relative;
  border-bottom: 1px solid var(--cts-rule);
  padding-block: 0.6rem;
  margin-bottom: 2rem;
}
.site-header::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(
    to right,
    var(--cts-accent) 0,
    var(--cts-accent) 64px,
    transparent 64px
  );
}
.site-header > nav {
  --pico-nav-element-spacing-vertical: 0.15rem;
  --pico-nav-element-spacing-horizontal: 0.5rem;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
  align-items: center;
}
.site-header > nav ul { align-items: center; }

.brand {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none !important;
  color: var(--pico-color);
}
.brand-mark {
  font-family: var(--cts-mono);
  font-size: 0.95rem;
  padding: 0.18em 0.5em;
  background: var(--cts-accent);
  color: var(--pico-primary-inverse);
  border-radius: 4px;
  line-height: 1;
}
.brand:hover .brand-mark {
  background: color-mix(in srgb, var(--cts-accent) 85%, black);
}

.site-header nav a:not(.brand) {
  font-size: 0.85rem;
  font-weight: 500;
  padding-block: 0.35rem;
  color: var(--pico-color);
  text-decoration: none;
  position: relative;
}
.site-header nav a:not(.brand):hover {
  color: var(--cts-accent);
  background: transparent;
}
.site-header nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -2px;
  height: 2px;
  background: var(--cts-accent);
}

.search-form { margin: 0; width: clamp(140px, 22vw, 240px); }
.search-form input[type="search"] {
  margin: 0;
  height: 2rem;
  padding-block: 0;
  /* Перебиваем Pico: иконка-лупа справа, а не слева */
  background-position: right 0.6rem center;
  padding-inline-start: 0.6rem;
  padding-inline-end: 2rem;
  font-size: 0.85rem;
}

/* Видимая рамка у тумблера темы (не зависит от ховера) */
.theme-toggle {
  background: var(--pico-background-color);
  border: 1px solid var(--cts-border);
  color: var(--pico-color);
  padding: 0;
  width: 2rem;
  height: 2rem;
  font-size: 1.05rem;
  margin: 0;
  cursor: pointer;
  border-radius: var(--pico-border-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
/* Центрируем глиф ◑ оптически: убираем «хвост» строки */
.theme-toggle > span {
  display: block;
  line-height: 1;
  transform: translateY(-1px);
}
.theme-toggle:hover {
  border-color: var(--cts-accent);
  color: var(--cts-accent);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--cts-accent);
  outline-offset: 2px;
}

/* --- Мобильное меню (бургер) — без JS ------------------------------------ */
/* Скрытый чекбокс хранит состояние «открыто/закрыто» */
.menu-toggle { display: none; }

/* Кнопка-бургер: видна только на мобильных */
.menu-burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  cursor: pointer;
  border: 1px solid var(--cts-border);
  background: var(--pico-background-color);
  color: var(--pico-color);
  border-radius: var(--pico-border-radius);
}
.menu-burger:hover { border-color: var(--cts-accent); color: var(--cts-accent); }
.menu-burger svg { width: 1.1rem; height: 1.1rem; display: block; }
.menu-burger .icon-close { display: none; }
.menu-toggle:checked ~ * .menu-burger .icon-open,
.site-header:has(.menu-toggle:checked) .menu-burger .icon-open { display: none; }
.menu-toggle:checked ~ * .menu-burger .icon-close,
.site-header:has(.menu-toggle:checked) .menu-burger .icon-close { display: block; }

@media (max-width: 720px) {
  /* Показываем бургер */
  .menu-burger { display: inline-grid; }

  /* Шапка: первый ряд — бренд + бургер по краям, второй — меню */
  .site-header > nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .site-header > nav > ul:first-child {
    margin: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
  }
  .site-header > nav > ul:last-child {
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    /* Скрыто по умолчанию */
    display: none;
    border-top: 1px solid var(--cts-rule);
    padding-top: 0.5rem;
  }
  /* Ячейка с бургером занимает всё свободное пространство и прижимает себя к правому краю */
  .menu-burger-cell { margin-inline-start: auto; }

  /* Открытое состояние (поддерживает оба варианта селектора) */
  .menu-toggle:checked ~ nav > ul:last-child,
  .site-header:has(.menu-toggle:checked) > nav > ul:last-child {
    display: flex;
  }

  /* В открытом меню элементы — на всю ширину, выровнены */
  .site-header > nav > ul:last-child > li {
    width: 100%;
    padding-block: 0.25rem;
  }
  .site-header > nav > ul:last-child > li > a:not(.brand) {
    display: block;
    padding-block: 0.55rem;
    font-size: 0.95rem;
  }
  .search-form { width: 100%; }
  .search-form input[type="search"] { height: 2.25rem; font-size: 0.95rem; }
  .theme-toggle { margin-block: 0.25rem; }
}

/* --- Хлебные крошки ------------------------------------------------------- */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--pico-muted-color);
  margin-bottom: 1.5rem;
  font-family: var(--cts-mono);
}
.breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4ch;
}
.breadcrumb li + li::before {
  content: "►";
  margin-inline-end: 2.2ch;
  color: var(--cts-rule);
}
.breadcrumb a { color: inherit; text-decoration: none; }
.breadcrumb a:hover { color: var(--cts-accent); }
.breadcrumb [aria-current="page"] { color: var(--pico-color); }

/* --- Главная: герой -------------------------------------------------------- */
.hero {
  padding-block: 1.5rem 2.5rem;
  border-bottom: 1px solid var(--cts-rule);
  margin-bottom: 2rem;
}
.hero h1 {
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-block-end: 0.5rem;
/*   max-width: 22ch; */
}
.hero h1::before {
  content: "/";
  font-family: var(--cts-mono);
  color: var(--cts-accent);
  margin-inline-end: 0.3ch;
  font-weight: 400;
}
.hero p {
  color: var(--pico-muted-color);
/*   max-width: 60ch; */
  margin: 0;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-top: 1.75rem;
  font-size: 0.75rem;
  color: var(--pico-muted-color);
  font-family: var(--cts-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero-meta strong {
  display: block;
  color: var(--pico-color);
  font-size: 1.75rem;
  font-weight: 700;
  font-feature-settings: "tnum";
  letter-spacing: -0.02em;
  text-transform: none;
  margin-bottom: 0.1rem;
  font-family: var(--cts-mono);
}

.section-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pico-muted-color);
  font-weight: 600;
  font-family: var(--cts-mono);
  margin: 0 0 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--cts-rule);
}

/* --- Список постов: чистим маркеры и нормализуем отступы ------------------ */
.post-list,
.post-list > li {
  list-style: none !important;     /* перебиваем правило Pico для li внутри ul */
}
.post-list {
  padding: 0;
  margin: 0;
}
.post-list > li:first-child {
    border-top: none;
}
.post-list > li {
  /* одинаковый отступ сверху и снизу => одинаковое расстояние между карточками */
  padding: 1.5rem 0;
  margin: 0;
  border-top: 1px solid var(--cts-rule);
}
.post-list > li::marker {       /* на всякий случай гасим маркер браузера */
  content: "";
}
.post-list > li:last-child {
  border-bottom: 1px solid var(--cts-rule);
}

.post-card {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem 1.5rem;
  align-items: start;
}
/* Полностью гасим внешние отступы у первого/последнего ребёнка во второй колонке,
   чтобы padding на <li> отвечал за интервал в одиночку */
.post-card > div > :first-child { margin-top: 0; }
.post-card > div > :last-child  { margin-bottom: 0; }
@media (max-width: 600px) {
  .post-card { grid-template-columns: 1fr; gap: 0.5rem; }
}
.post-meta {
  font-size: 0.7rem;
  color: var(--pico-muted-color);
  font-family: var(--cts-mono);
  padding-top: 0;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.post-meta time {
  display: block;
  color: var(--pico-color);
  font-size: 0.85rem;
  letter-spacing: 0;
  text-transform: none;
}
.post-meta a { color: var(--cts-accent); text-decoration: none; }
.post-meta a:hover { text-decoration: underline; }

.post-card h2,
.post-card h3 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}
.post-card h2 a,
.post-card h3 a {
  color: var(--pico-color);
  text-decoration: none;
  background-image: linear-gradient(var(--cts-accent), var(--cts-accent));
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size .25s ease, color .15s ease;
}
.post-card h2 a:hover,
.post-card h3 a:hover {
  color: var(--cts-accent);
  background-size: 100% 1px;
}
.post-card p {
  margin: 0 0 0.5rem;
  color: var(--pico-muted-color);
  font-size: 0.95rem;
  line-height: 1.55;
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4ch;
  color: var(--cts-accent);
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 500;
}
.read-more::after {
  content: "→";
  transition: transform .2s ease;
}
.read-more:hover::after { transform: translateX(3px); }

.pagination { margin-top: 2.5rem; text-align: center; }

/* --- Статья --------------------------------------------------------------- */
article.post {
 /*  max-width: var(--cts-max-text); */
  margin-inline: auto;
}
article.post header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--cts-rule);
}
article.post h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-block-end: 0.75rem;
}
article.post .post-meta-line {
  font-family: var(--cts-mono);
  font-size: 0.78rem;
  color: var(--pico-muted-color);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.post-meta-line > span + span::before {
  content: "·";
  margin-inline-end: 0.75rem;
  color: var(--cts-rule);
}
article.post .post-meta-line a { color: var(--cts-accent); text-decoration: none; }
article.post .lead {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--pico-color);
  margin-bottom: 1.5rem;
  padding-inline-start: 1rem;
  border-inline-start: 3px solid var(--cts-accent);
}
article.post h2 { margin-top: 2.5rem; font-size: 1.5rem; letter-spacing: -0.01em; }
article.post h3 { margin-top: 2rem; font-size: 1.2rem; }
article.post figure { margin-block: 2rem; }
article.post figure img { border-radius: var(--pico-border-radius); width: 100%; height: auto; }
article.post figcaption {
  font-size: 0.85rem;
  color: var(--pico-muted-color);
  margin-top: 0.5rem;
  text-align: center;
}
article.post pre { font-size: 0.85rem; }
article.post blockquote {
  border-inline-start-width: 3px;
  border-inline-start-color: var(--cts-accent);
  font-style: normal;
  color: var(--pico-color);
}

.tag-list {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--cts-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag {
  font-family: var(--cts-mono);
  font-size: 0.75rem;
  text-transform: lowercase;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--cts-rule);
  border-radius: 999px;
  color: var(--pico-muted-color);
  text-decoration: none;
}
.tag:hover { color: var(--cts-accent); border-color: var(--cts-accent); }

.related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--cts-rule);
}
.related h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pico-muted-color);
  font-weight: 600;
  font-family: var(--cts-mono);
  margin-bottom: 1rem;
}
.related ul {
  list-style: none !important;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}
.related li {
  list-style: none !important;
  padding-block: 0.5rem;
  border-bottom: 1px dashed var(--cts-rule);
}
.related li::marker { content: ""; }
.related li:last-child { border-bottom: 0; }
.related a {
  color: var(--pico-color);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.related a::before {
  content: "→";
  color: var(--cts-accent);
  font-family: var(--cts-mono);
  flex-shrink: 0;
  transition: transform .2s ease;
}
.related a:hover { color: var(--cts-accent); }
.related a:hover::before { transform: translateX(3px); }
.related .related-meta {
  display: block;
  font-family: var(--cts-mono);
  font-size: 0.7rem;
  color: var(--pico-muted-color);
  margin-top: 0.15rem;
  margin-inline-start: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --- Загрузка программы --------------------------------------------------- */
.download-card {
/*   max-width: var(--cts-max-text); */
  margin-inline: auto;
}
.download-card header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--cts-rule);
}
.download-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--cts-accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--cts-accent) 25%, transparent);
  display: grid;
  place-items: center;
  font-family: var(--cts-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cts-accent);
  letter-spacing: -0.05em;
  position: relative;
  overflow: hidden;
}
.download-icon::before {
  content: "";
  position: absolute;
  top: 6px;
  right: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cts-accent);
}
.download-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 16px;
}
.download-card h1 {
  font-size: 1.8rem;
  margin: 0 0 0.25rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.download-card .subtitle {
  margin: 0;
  color: var(--pico-muted-color);
  font-size: 0.95rem;
}

.spec-list {
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) 2fr;
  gap: 0;
  margin: 0 0 2rem;
  border-top: 1px solid var(--cts-rule);
}
.spec-list > div { display: contents; }
.spec-list dt,
.spec-list dd {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--cts-rule);
  margin: 0;
}
.spec-list dt {
  font-family: var(--cts-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pico-muted-color);
  padding-inline-end: 1rem;
}
.spec-list dd { font-size: 0.95rem; word-break: break-word; }
.spec-list dd code { font-size: 0.85em; }
@media (max-width: 600px) {
  .spec-list { grid-template-columns: 1fr; }
  .spec-list dt { padding-bottom: 0; border-bottom: 0; }
  .spec-list dd { padding-top: 0.25rem; }
}

.download-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: color-mix(in srgb, var(--cts-accent) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--cts-accent) 25%, transparent);
  border-radius: var(--pico-border-radius);
  margin-bottom: 2rem;
  position: relative;
}
.download-cta::before {
  content: "↓";
  position: absolute;
  top: -0.6rem;
  inset-inline-start: 1rem;
  background: var(--cts-accent);
  color: var(--pico-primary-inverse);
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: var(--cts-mono);
  line-height: 1;
}
.download-cta a[role="button"] { margin: 0; }
.download-cta .cta-note {
  font-size: 0.85rem;
  color: var(--pico-muted-color);
  margin: 0;
  flex: 1 1 200px;
}

.screenshots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}
.screenshots figure { margin: 0; }
.screenshots img {
  width: 100%;
  height: auto;
  border-radius: var(--pico-border-radius);
  border: 1px solid var(--cts-rule);
}

/* --- Универсальная страница ----------------------------------------------- max-width: var(--cts-max-text); */
.page { margin-inline: auto; }
.page h1 {
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--cts-rule);
}
.page h1::before {
  content: "/";
  font-family: var(--cts-mono);
  color: var(--cts-accent);
  margin-inline-end: 0.3ch;
  font-weight: 400;
}

/* --- Подвал --------------------------------------------------------------- */
.site-footer {
  margin-top: 4rem;
  padding-block: 2rem;
  border-top: 1px solid var(--cts-rule);
  font-size: 0.85rem;
  color: var(--pico-muted-color);
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
/* Мобильный footer: «Разделы» и «Сайт» в одной строке 50/50, «О проекте» во всю ширину */
@media (max-width: 600px) {
  .site-footer .footer-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "sections links"
      "about    about";
    gap: 1.75rem 1.5rem;
  }
  .site-footer .footer-grid > div:nth-child(1) { grid-area: sections; }
  .site-footer .footer-grid > div:nth-child(2) { grid-area: links; }
  .site-footer .footer-grid > div:nth-child(3) { grid-area: about; }
}
.site-footer h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pico-color);
  margin-bottom: 0.75rem;
  font-weight: 600;
  font-family: var(--cts-mono);
}
.site-footer ul {
  list-style: none !important;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.4rem;
}
.site-footer li { list-style: none !important; }
.site-footer li::marker { content: ""; }
.site-footer a { color: var(--pico-muted-color); text-decoration: none; }
.site-footer a:hover { color: var(--cts-accent); }
.site-footer .copyright {
  padding-top: 1.5rem;
  border-top: 1px solid var(--cts-rule);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--cts-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Print ---------------------------------------------------------------- */
@media print {
  .site-header nav,
  .site-footer,
  .related,
  .breadcrumb { display: none; }
  body { color: #000; background: #fff; }
  a { color: inherit; text-decoration: underline; }
}