/* =========================================================
   SKILDGRAD · Layout
   Container, section scaffold, grid system. No components.
   ========================================================= */

/* ---- Container ---- */
.container{
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ---- Section scaffold ---- */
.section{
  padding-block: var(--s-8);
}
.section--tight{ padding-block: var(--s-7); }
.section--loose{ padding-block: var(--s-9); }
@media (max-width: 720px){
  .section{ padding-block: var(--s-6); }
  .section--loose{ padding-block: var(--s-7); }
}

/* Section header — eyebrow + title + lede, with optional inline action */
.section__head{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-4);
  margin-bottom: var(--s-6);
  flex-wrap: wrap;
}
.section__head-text{
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  max-width: 60ch;
}
.section__head-action{
  flex-shrink: 0;
  align-self: flex-end;
}
@media (max-width: 720px){
  .section__head{ flex-direction: column; align-items: flex-start; }
}

/* Section body is just a named hook — no styles by default */
.section__body{}

/* Dividing rule used between flow sections */
.rule{ height: 1px; background: var(--border); margin: 0; }

/* ---- Grid ---- */
.grid{
  display: grid;
  gap: var(--s-4);
}
.grid--2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--auto-260{ grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--auto-280{ grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--auto-320{ grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* Hairline grid — 1px gaps on a --border background.
   Children opt-in by using .card--minimal (transparent border). */
.grid--hairline{
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.grid--hairline > *{
  background: var(--bg-elevated);
}

/* Responsive grid collapses */
@media (max-width: 1024px){
  .grid--4{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px){
  .grid--2,
  .grid--3,
  .grid--4{ grid-template-columns: 1fr; }
}

/* Split — 50/50 with a bias option for hero-style layouts */
.split{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
  align-items: start;
}
@media (min-width: 960px){
  .split{ grid-template-columns: 1fr 1fr; gap: var(--s-8); }
  .split--wide-left{ grid-template-columns: 1.2fr 1fr; }
  .split--wide-right{ grid-template-columns: 1fr 1.2fr; }
}

/* Stack — a vertical flow with controlled gap */
.stack{ display: flex; flex-direction: column; gap: var(--s-3); }
.stack--sm{ gap: var(--s-2); }
.stack--lg{ gap: var(--s-5); }

/* Inline — a horizontal row with gap + wrap */
.inline{ display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); }
.inline--sm{ gap: var(--s-2); }

/* Utility: hide element but keep accessible to screen readers */
.sr-only{
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Visibility by breakpoint */
@media (max-width: 960px){ .hide-below-lg{ display: none !important; } }
@media (min-width: 960px){ .hide-above-md{ display: none !important; } }