/*
 * Homepage-only styles for `overrides/home.html`.
 *
 * This stylesheet is loaded ONLY when the page is the site root (the
 * `extrahead` block in home.html injects the link tag conditional on
 * `page.is_homepage`). Because it's home-scoped, the chrome overrides
 * here can target Material classes directly without needing a body
 * class — there's no risk of leaking into article pages.
 *
 * Selectors use 2-part specificity (e.g. `h1.df-hero__tagline` instead
 * of `.df-hero__tagline`) so they win against Material's
 * `.md-typeset <element>` rules at the same specificity, which
 * otherwise override single-class selectors.
 *
 * Brand color tokens (--df-bg-dark, --df-red, etc.) are defined in
 * extra.css :root and inherited here.
 */

/* =====================================================================
 * Chrome overrides — drop the article-style sidebar and content max-width
 * so the hero can run edge-to-edge.
 * ===================================================================== */
/* `!important` is used liberally in this block because Material's chrome
 * styles define the column layout (sidebars, content max-width, content
 * gutters) and we want to *fully* discard that on the home page so the
 * hero band can run viewport-edge to viewport-edge without leftover
 * margins. Material uses higher-specificity selectors for some of these
 * (e.g. `[data-md-component]` ancestor on the sidebars), and trying to
 * out-specify them rule-by-rule would be brittle. */
.md-main__inner,
.md-grid {
  max-width: none !important;
  margin: 0 !important;
}
.md-sidebar--primary,
.md-sidebar--secondary {
  display: none !important;
}
.md-content {
  padding: 0 !important;
  max-width: none !important;
  flex: 1 1 100% !important;
}
.md-content__inner {
  padding: 0 !important;
  margin: 0 !important;
  max-width: none !important;
}
.md-content__inner::before {
  display: none !important;
}
/* The page H1 ("DataForge Documentation") is kept in the body for the
 * search index but should not show — the hero is the visual title. */
.md-typeset h1:first-child {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =====================================================================
 * Hero band — full-bleed dark, centered logo + tagline + CTAs.
 * ===================================================================== */
section.df-hero {
  background: linear-gradient(180deg, var(--df-bg-dark) 0%, var(--df-bg-darker) 100%);
  color: #ffffff;
  padding: 3rem 1.2rem;          /* 60px 24px @ 20px rem base */
  text-align: center;
  color-scheme: dark;
  margin: 0;
}
.df-hero__inner {
  max-width: 44rem;              /* 880px */
  margin: 0 auto;
}
img.df-hero__logo {
  height: 3.5rem;                /* 70px */
  width: auto;
  margin: 0 auto 1.4rem;
  display: block;
}
h1.df-hero__tagline {
  font-size: clamp(1.4rem, 3vw, 2rem);  /* 28-40px */
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 0.7rem 0;
  color: #ffffff;
}
p.df-hero__sub {
  font-size: 0.85rem;            /* 17px */
  font-weight: 400;
  line-height: 1.55;
  max-width: 34rem;              /* 680px */
  margin: 0 auto 1.4rem;
  color: rgba(255, 255, 255, 0.78);
}
.df-hero__cta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
a.df-cta,
a.df-cta:visited {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}
a.df-cta--primary,
a.df-cta--primary:visited {
  background-color: var(--df-red);
  color: #ffffff;
}
a.df-cta--primary:hover {
  background-color: var(--df-red-hi);
  color: #ffffff;
  transform: translateY(-1px);
}
a.df-cta--secondary,
a.df-cta--secondary:visited {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.45);
}
a.df-cta--secondary:hover {
  background-color: #ffffff;
  color: var(--df-bg-dark);
  transform: translateY(-1px);
  border-color: #ffffff;
}

/* =====================================================================
 * Section wrapper for everything below the hero.
 *
 * NB: Material sets `html { font-size: 20px }`, so 1rem = 20px (not the
 * usual 16px). All rem values in this file are sized for that base.
 * 56rem = 1120px content cap, comfortable for prose while leaving the
 * tile row breathing room at standard desktop widths.
 *
 * Specificity note: a 3-class chain `.md-typeset > section.df-section`
 * (0,2,1) reliably beats Material's `.md-typeset > *` rules without
 * relying on cascade order.
 * ===================================================================== */
.md-typeset > section.df-section,
.md-typeset > section.df-pillars {
  max-width: 56rem !important;
  margin: 0 auto !important;
  padding: 2rem 1.2rem !important;
}
h2.df-section__heading {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--df-muted);
  margin: 0 0 1.25rem;
}

/* =====================================================================
 * Three-pillar row — Alloy / Ember / Talos.
 * ===================================================================== */
section.df-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 900px) {
  section.df-pillars {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
h2.df-pillar__name {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--df-text);
}
h2.df-pillar__name::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background-color: var(--df-red);
  margin-right: 0.55rem;
  vertical-align: middle;
  transform: translateY(-2px);
}
p.df-pillar__desc {
  font-size: 0.92rem;
  color: var(--df-muted);
  line-height: 1.55;
  margin: 0 0 0.65rem;
}
a.df-pillar__link,
a.df-pillar__link:visited {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--df-red);
  text-decoration: none;
}
a.df-pillar__link:hover {
  text-decoration: underline;
  color: var(--df-red-hi);
}

/* =====================================================================
 * Five-tile grid — one card per top-level tab.
 * ===================================================================== */
.df-tile-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}
@media (max-width: 1100px) {
  .df-tile-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .df-tile-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .df-tile-grid { grid-template-columns: 1fr; }
}
a.df-tile,
a.df-tile:visited {
  display: block;
  border: 1px solid var(--df-divider);
  border-left: 3px solid var(--df-red);
  border-radius: 6px;
  padding: 1.1rem 1.1rem 1rem;
  background-color: #ffffff;
  text-decoration: none;
  color: var(--df-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-left-color 0.15s ease;
}
a.df-tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(21, 21, 21, 0.08);
  border-left-color: var(--df-red-hi);
  color: var(--df-text);
}
.df-tile__name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.3rem;
  color: var(--df-text);
}
p.df-tile__desc {
  font-size: 0.82rem;
  color: var(--df-muted);
  margin: 0;
  line-height: 1.45;
}

/* =====================================================================
 * What's-new banner.
 * ===================================================================== */
.df-whats-new {
  background-color: var(--df-light-bg);
  border-radius: 8px;
  padding: 1.4rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.df-whats-new__copy { flex: 1 1 24rem; }
p.df-whats-new__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--df-red);
  margin: 0 0 0.3rem;
}
p.df-whats-new__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.3rem;
  color: var(--df-text);
}
p.df-whats-new__desc {
  font-size: 0.9rem;
  color: var(--df-muted);
  line-height: 1.5;
  margin: 0;
}
a.df-whats-new__link,
a.df-whats-new__link:visited {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--df-red);
  text-decoration: none;
  white-space: nowrap;
}
a.df-whats-new__link:hover {
  text-decoration: underline;
  color: var(--df-red-hi);
}

/* =====================================================================
 * Popular tasks — three-column compact link list. Beats Material's
 * default `.md-typeset ul` styling (which adds bullets + indentation).
 * ===================================================================== */
ul.df-popular {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem 2rem;
}
@media (max-width: 900px) {
  ul.df-popular { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  ul.df-popular { grid-template-columns: 1fr; }
}
ul.df-popular li {
  list-style: none;
  margin: 0;
  padding: 0;
}
ul.df-popular li::before,
ul.df-popular li::marker {
  content: none;
}
ul.df-popular a,
ul.df-popular a:visited {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: var(--df-text);
  text-decoration: none;
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
ul.df-popular a::before {
  content: "→";
  color: var(--df-red);
  font-weight: 600;
}
ul.df-popular a:hover {
  color: var(--df-red);
  border-color: var(--df-red);
}

/* =====================================================================
 * Search reminder.
 * ===================================================================== */
p.df-search-reminder {
  text-align: center;
  font-size: 0.85rem;
  color: var(--df-muted);
  padding: 1.5rem 1.5rem 3rem;
  margin: 0;
}