/* ============================================================
   SatellitePortal — Layout System (layout.css)
   Mobile-first · Breakpoints: 480 / 768 / 1024 / 1280px
   ============================================================ */

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 480px) {
  .container { padding-left: var(--space-5); padding-right: var(--space-5); }
}
@media (min-width: 768px) {
  .container { padding-left: var(--space-6); padding-right: var(--space-6); }
}
@media (min-width: 1280px) {
  .container { padding-left: var(--space-8); padding-right: var(--space-8); }
}

.container--wide  { max-width: var(--container-wide); }
.container--mid   { max-width: var(--container-mid); }
.container--fluid { max-width: 100%; }

/* ── Page Wrapper ── */
#page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#content {
  flex: 1;
  padding-top: var(--space-6);
  padding-bottom: var(--space-10);
}

/* ── Content + Sidebar layouts ── */
.layout-with-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 1024px) {
  .layout-with-sidebar {
    grid-template-columns: 1fr 320px;
  }
  .layout-with-sidebar.sidebar-left {
    grid-template-columns: 300px 1fr;
  }
  .layout-with-sidebar.sidebar-left .main-content {
    order: 2;
  }
  .layout-with-sidebar.sidebar-left .sidebar {
    order: 1;
  }
}

.main-content { min-width: 0; }
.sidebar      { min-width: 0; }

/* ── Grid Utilities ── */
.grid         { display: grid; gap: var(--space-6); }
.grid-2       { grid-template-columns: repeat(2, 1fr); }
.grid-3       { grid-template-columns: repeat(3, 1fr); }
.grid-4       { grid-template-columns: repeat(4, 1fr); }

/* Auto-fit grids */
.grid-auto-sm { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid-auto-md { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid-auto-lg { grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); }

@media (max-width: 767px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 480px) and (max-width: 767px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ── Flex Utilities ── */
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.flex-wrap    { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-2        { gap: var(--space-2); }
.gap-3        { gap: var(--space-3); }
.gap-4        { gap: var(--space-4); }
.gap-6        { gap: var(--space-6); }

/* ── News Grid — Homepage ── */
.news-hero-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .news-hero-grid {
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
  }
  .news-hero-grid .hero-post {
    grid-row: 1 / 3;
  }
}

@media (min-width: 1024px) {
  .news-hero-grid {
    grid-template-columns: 3fr 2fr 2fr;
    grid-template-rows: 1fr 1fr;
  }
  .news-hero-grid .hero-post {
    grid-row: 1 / 3;
  }
}

/* ── Post Archive Grid ── */
.post-archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .post-archive-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1200px) {
  .post-archive-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Satellite Grid ── */
.satellite-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .satellite-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .satellite-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Spacing Utilities ── */
.mt-0  { margin-top: 0; }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.my-6  { margin-top: var(--space-6); margin-bottom: var(--space-6); }
.my-8  { margin-top: var(--space-8); margin-bottom: var(--space-8); }

.pt-4  { padding-top: var(--space-4); }
.pt-6  { padding-top: var(--space-6); }
.pb-4  { padding-bottom: var(--space-4); }
.pb-6  { padding-bottom: var(--space-6); }
.py-4  { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6  { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8  { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-10 { padding-top: var(--space-10); padding-bottom: var(--space-10); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }

/* ── Display Utilities ── */
.hidden        { display: none; }
.block         { display: block; }
.inline-block  { display: inline-block; }
.text-center   { text-align: center; }
.text-right    { text-align: right; }
.text-muted    { color: var(--text-muted); }
.text-small    { font-size: 0.875rem; }
.text-xs       { font-size: 0.75rem; }
.font-mono     { font-family: var(--font-mono); }
.truncate      { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

@media (max-width: 767px) { .hide-mobile { display: none !important; } }
@media (min-width: 768px) { .hide-desktop { display: none !important; } }

/* ── Sticky Sidebar ── */
.sticky-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--topbar-height) + var(--space-4));
}

/* ── Section Title ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--border);
  position: relative;
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
}

.section-title--sat {
  color: var(--sat-color);
}
.section-header--sat::after { background: var(--sat-color); }

.section-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.section-link:hover { color: var(--accent-hover); }
.section-link::after { content: '→'; }