/* ===========================================================================
   4dance.by — dance magazine theme over Pico CSS 2
   Tokens from design/specs.md:
   magenta #E0218A / deep #A8005F / ink #1A1A1F / electric #2D6BE0
   surface #FAF8FB / muted #6E6A73 / border #E7E2EB
   Headlines: Montserrat · Body: PT Sans (full Cyrillic)
   =========================================================================== */
:root {
  --d4-magenta: #E0218A;
  --d4-magenta-deep: #A8005F;
  --d4-ink: #1A1A1F;
  --d4-electric: #2D6BE0;
  --d4-surface: #FAF8FB;
  --d4-card: #FFFFFF;
  --d4-muted: #6E6A73;
  --d4-border: #E7E2EB;
  --d4-radius: 14px;
  --d4-shadow: 0 4px 18px rgba(26,26,31,0.07);
  --d4-shadow-hover: 0 10px 30px rgba(224,33,138,0.16);
  --pico-font-family: "PT Sans", system-ui, sans-serif;
  --pico-primary: var(--d4-magenta);
  --pico-primary-hover: var(--d4-magenta-deep);
}
body { background: var(--d4-surface); color: var(--d4-ink); font-family: "PT Sans", system-ui, sans-serif; font-size: 16px; line-height: 1.6; }
h1,h2,h3,h4,h5,h6 { font-family: "Montserrat", system-ui, sans-serif; color: var(--d4-ink); font-weight: 800; line-height: 1.2; letter-spacing: -0.01em; }

/* header */
.d4-header { position: sticky; top: 0; z-index: 60; background: var(--d4-ink); color: #fff; box-shadow: 0 2px 14px rgba(0,0,0,0.18); }
.d4-header__inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.7rem 1.25rem; flex-wrap: wrap; }
.d4-brand { display: flex; flex-direction: column; text-decoration: none; line-height: 1; }
.d4-brand__title { font-family: "Montserrat", sans-serif; font-weight: 800; font-size: 1.45rem; color: #fff; letter-spacing: 0.02em; }
.d4-brand__title b { color: var(--d4-magenta); }
.d4-brand__sub { font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: #b9b6bf; margin-top: 2px; }
.d4-nav ul { display: flex; flex-wrap: wrap; gap: 0.1rem; list-style: none; margin: 0; padding: 0; align-items: center; }
.d4-nav li { margin: 0; position: relative; }
.d4-nav a { display: block; padding: 0.4rem 0.7rem; border-radius: 999px; color: #e7e5ea; text-decoration: none; font-size: 0.9rem; font-weight: 700; transition: background .2s,color .2s; }
.d4-nav a:hover, .d4-nav a.active { background: var(--d4-magenta); color: #fff; }
.d4-nav .has-children > .submenu { display: none; position: absolute; top: 100%; left: 0; min-width: 230px; background: var(--d4-card); border: 1px solid var(--d4-border); border-radius: var(--d4-radius); box-shadow: var(--d4-shadow); padding: 0.3rem; z-index: 70; flex-direction: column; }
.d4-nav .has-children:hover > .submenu, .d4-nav .has-children:focus-within > .submenu { display: flex; }
.d4-nav .submenu a { color: var(--d4-ink); white-space: nowrap; font-weight: 600; }
.d4-nav .submenu a:hover { background: #fbe6f1; color: var(--d4-magenta-deep); }
.d4-toggle { display: none; background: none; border: 1px solid rgba(255,255,255,0.35); color: #fff; border-radius: 8px; padding: 0.25rem 0.6rem; font-size: 1.3rem; cursor: pointer; }
@media (max-width: 940px) {
  .d4-toggle { display: block; }
  .d4-nav { display: none; flex-basis: 100%; }
  #d4-nav-toggle:checked ~ .d4-nav { display: block; }
  .d4-nav ul { flex-direction: column; align-items: stretch; }
  .d4-nav .has-children > .submenu { position: static; box-shadow: none; border: none; padding-left: 1rem; }
}

/* hero */
.d4-hero { background: linear-gradient(120deg, var(--d4-ink), #2a2533); color: #fff; border-radius: 0 0 20px 20px; padding: 3rem 1.5rem; text-align: center; margin-bottom: 2rem; position: relative; overflow: hidden; }
.d4-hero h1 { color: #fff; font-size: clamp(2rem,5vw,3.4rem); margin: 0 0 0.4rem; }
.d4-hero h1 b { color: var(--d4-magenta); }
.d4-hero p { color: #d6d2da; max-width: 60ch; margin: 0 auto; }
.d4-hero::after { content:""; display:block; width:100px; height:5px; background:var(--d4-magenta); margin:1.1rem auto 0; border-radius:5px; }

/* layout */
.d4-wrap { max-width: 1200px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
.d4-cols { display: grid; grid-template-columns: 1fr 300px; gap: 2rem; align-items: start; }
@media (max-width: 940px) { .d4-cols { grid-template-columns: 1fr; } }
.d4-section-title { font-size: 1.7rem; margin: 0 0 1.1rem; padding-bottom: 0.4rem; border-bottom: 3px solid var(--d4-magenta); display: inline-block; }

/* sidebar */
.d4-aside { display: flex; flex-direction: column; gap: 1.25rem; }
.d4-panel { background: var(--d4-card); border: 1px solid var(--d4-border); border-radius: var(--d4-radius); box-shadow: var(--d4-shadow); padding: 1.1rem 1.25rem; }
.d4-panel h3 { font-size: 1.05rem; margin: 0 0 0.7rem; color: var(--d4-magenta-deep); }
.d4-panel ul { list-style: none; margin: 0; padding: 0; }
.d4-panel li { margin: 0 0 0.4rem; }
.d4-panel a { color: var(--d4-ink); text-decoration: none; font-weight: 700; font-size: 0.92rem; }
.d4-panel a:hover { color: var(--d4-magenta); }

/* content */
.content-prose { max-width: 100%; }
.content-copy { margin: 0 0 1rem; }
.content-heading { margin: 1.5rem 0 0.7rem; }
.content-prose a, .content-copy a, .content-mini-card h3 a { color: var(--d4-electric); text-decoration: underline; text-decoration-color: rgba(45,107,224,0.4); text-underline-offset: 2px; }
.content-prose a:hover, .content-copy a:hover { color: var(--d4-magenta); }
.content-figure { margin: 1rem 0; }
.content-figure img, .content-gallery img { max-width: 100%; height: auto; border-radius: 10px; }
.content-gallery { display: grid; grid-template-columns: repeat(auto-fill,minmax(150px,1fr)); gap: 0.7rem; margin: 1rem 0; }
.content-gallery__item { margin: 0; }
.content-gallery__item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
figcaption { font-size: 0.8rem; color: var(--d4-muted); margin-top: 0.25rem; }
.content-list { padding-left: 1.2rem; margin: 0 0 1rem; }
.content-table-wrap { overflow-x: auto; margin: 1rem 0; }
.content-table { width: 100%; border-collapse: collapse; background: var(--d4-card); }
.content-table td, .content-table th { padding: 0.45rem 0.6rem; border: 1px solid var(--d4-border); text-align: left; vertical-align: top; }
.content-table th { background: #fbe6f1; color: var(--d4-magenta-deep); }

/* cards */
.d4-card-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(250px,1fr)); gap: 1.2rem; }
.content-mini-card { background: var(--d4-card); border: 1px solid var(--d4-border); border-radius: var(--d4-radius); box-shadow: var(--d4-shadow); padding: 1rem 1.1rem; transition: transform .2s, box-shadow .2s; }
.content-mini-card:hover { transform: translateY(-3px); box-shadow: var(--d4-shadow-hover); }
.content-mini-card h3 { font-size: 1.02rem; margin: 0 0 0.3rem; }
.content-mini-card p { margin: 0; color: var(--d4-muted); font-size: 0.88rem; }

/* breadcrumbs */
.d4-breadcrumbs { margin: 0 0 1rem; font-size: 0.85rem; }
.d4-breadcrumbs ul { display: flex; flex-wrap: wrap; gap: 0.35rem; list-style: none; padding: 0; margin: 0; }
.d4-breadcrumbs li::after { content: "›"; margin-left: 0.35rem; color: var(--d4-muted); }
.d4-breadcrumbs li:last-child::after { content: ""; }
.d4-breadcrumbs a { color: var(--d4-electric); text-decoration: none; }

/* article */
.d4-article { background: var(--d4-card); border: 1px solid var(--d4-border); border-radius: var(--d4-radius); box-shadow: var(--d4-shadow); padding: 1.5rem 1.75rem; }
.d4-article__meta { color: var(--d4-muted); font-size: 0.85rem; margin-bottom: 1rem; }
.d4-article__summary { border-left: 4px solid var(--d4-magenta); background: var(--d4-surface); padding: 0.8rem 1.1rem; border-radius: 0 8px 8px 0; margin: 0 0 1.4rem; }
.d4-article__image { float: right; max-width: 40%; margin: 0 0 1rem 1.4rem; border-radius: 10px; }
@media (max-width: 600px) { .d4-article__image { float: none; max-width: 100%; margin: 0 0 1rem; } }
.d4-toc { background: var(--d4-surface); border: 1px solid var(--d4-border); border-radius: 8px; padding: 0.9rem 1.1rem; margin-bottom: 1.4rem; }
.d4-toc ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }
.d4-toc a { color: var(--d4-electric); }

/* category grid */
.d4-cat-grid { display: grid; gap: 1.2rem; }
.d4-cat-grid.cols-2 { grid-template-columns: repeat(2,1fr); }
.d4-cat-grid.cols-3 { grid-template-columns: repeat(3,1fr); }
@media (max-width: 800px) { .d4-cat-grid.cols-2, .d4-cat-grid.cols-3 { grid-template-columns: 1fr; } }
.d4-cat-card { display: flex; flex-direction: column; overflow: hidden; }
.d4-cat-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.d4-cat-card__body { padding: 1rem 1.1rem; }
.d4-cat-card__body h3 a { color: var(--d4-ink); text-decoration: none; }
.d4-cat-card__body h3 a:hover { color: var(--d4-magenta); }
.d4-readmore { display: inline-block; margin-top: 0.5rem; color: var(--d4-magenta); font-weight: 700; text-decoration: none; }
.d4-readmore:hover { text-decoration: underline; }

/* footer */
.d4-footer { background: var(--d4-ink); color: #b9b6bf; margin-top: 3rem; padding: 2.5rem 1.25rem; border-top: 4px solid var(--d4-magenta); }
.d4-footer__inner { max-width: 1200px; margin: 0 auto; }
.d4-footer h2 { color: #fff; margin: 0 0 0.5rem; }
.d4-footer__links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin: 1rem 0; }
.d4-footer__links a { color: #cfccd5; text-decoration: none; font-size: 0.85rem; }
.d4-footer__links a:hover { text-decoration: underline; color: var(--d4-magenta); }
.d4-footer__copy { color: #79757f; font-size: 0.8rem; margin-top: 1rem; }