/* =============================================================
   Society of Scholar Writers — Layout (layout.css)
   ============================================================= */

/* ── Container ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: var(--container-narrow);
}

@media (max-width: 768px) {
  .container { padding-inline: var(--space-4); }
}

/* ── Section wrappers ───────────────────────────────────────── */
.section {
  padding-block: var(--space-20);
}

.section--sm {
  padding-block: var(--space-12);
}

.section--lg {
  padding-block: var(--space-28);
}

.section--flush {
  padding-block: 0;
}

.section--bg {
  background-color: var(--color-surface);
}

.section--bg-2 {
  background-color: var(--color-surface-2);
}

.section--dark {
  background-color: var(--color-navy);
  color: var(--color-text-inverse);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-text-inverse);
}

.section--dark p {
  color: rgba(248, 247, 244, 0.75);
}

/* ── Section header ─────────────────────────────────────────── */
.section-header {
  margin-bottom: var(--space-12);
}

.section-header--center {
  text-align: center;
}

.section-header--center p {
  margin-inline: auto;
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 58ch;
}

/* ── Grid systems ───────────────────────────────────────────── */
.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); }
.grid--auto-fit-sm { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--auto-fit-md { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--auto-fit-lg { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--4,
  .grid--3,
  .grid--2 { grid-template-columns: 1fr; }
  .grid--auto-fit-sm,
  .grid--auto-fit-md,
  .grid--auto-fit-lg { grid-template-columns: 1fr; }
}

/* ── Flex helpers ───────────────────────────────────────────── */
.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.flex-start    { display: flex; align-items: center; justify-content: flex-start; }
.flex-col      { display: flex; flex-direction: column; }
.flex-wrap     { flex-wrap: wrap; }
.gap-2         { gap: var(--space-2); }
.gap-3         { gap: var(--space-3); }
.gap-4         { gap: var(--space-4); }
.gap-6         { gap: var(--space-6); }
.gap-8         { gap: var(--space-8); }

/* ── Two-column with sidebar ────────────────────────────────── */
.layout-sidebar {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-10);
  align-items: start;
}

.layout-sidebar--left {
  grid-template-columns: 280px 1fr;
}

@media (max-width: 900px) {
  .layout-sidebar,
  .layout-sidebar--left {
    grid-template-columns: 1fr;
  }
}

/* ── Page hero ───────────────────────────────────────────────── */
.page-hero {
  background-color: var(--color-navy);
  padding-block: var(--space-20) var(--space-16);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(1, 105, 111, 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(200, 150, 12, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  z-index: 1;
}

.page-hero__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-inverse);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
  max-width: 16ch;
}

.page-hero__subtitle {
  font-size: var(--text-base);
  color: rgba(248, 247, 244, 0.75);
  max-width: 54ch;
  line-height: var(--leading-relaxed);
}

/* ── Breadcrumbs ─────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(248, 247, 244, 0.5);
}

.breadcrumb__item:not(:last-child)::after {
  content: '/';
  opacity: 0.4;
}

.breadcrumb__link {
  color: rgba(248, 247, 244, 0.65);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb__link:hover { color: var(--color-text-inverse); }

.breadcrumb__item--current {
  color: rgba(248, 247, 244, 0.85);
}

/* ── Main content ────────────────────────────────────────────── */
main {
  min-height: 60vh;
  padding-top: var(--header-height);
}

/* ── CTA Banner ──────────────────────────────────────────────── */
.cta-banner {
  background-color: var(--color-primary);
  padding-block: var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 120% at 50% 50%, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner__inner {
  position: relative;
  z-index: 1;
}

.cta-banner__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
}

.cta-banner__subtitle {
  color: rgba(248, 247, 244, 0.80);
  margin-bottom: var(--space-8);
  margin-inline: auto;
  max-width: 52ch;
}

.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}