/* layout.css — shared header, footer, buttons, and utilities across all pages */

.wrap {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.wrap--narrow {
  max-width: var(--content-narrow);
}
.wrap--default {
  max-width: var(--content-default);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 86%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}
.site-header[data-scrolled='true'] {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.brand svg {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
}
.brand-word {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.2;
}
.brand-word small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.62em;
  letter-spacing: 0.22em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.main-nav a {
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  text-decoration: none;
  position: relative;
  padding-block: var(--space-1);
}
.main-nav a:hover,
.main-nav a[aria-current='page'] {
  color: var(--color-text);
}
.main-nav a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
}
.theme-toggle .icon-sun {
  display: none;
}
[data-theme='dark'] .theme-toggle .icon-moon {
  display: none;
}
[data-theme='dark'] .theme-toggle .icon-sun {
  display: block;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}
.nav-toggle svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100vh - 84px);
    z-index: 40;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    align-self: auto;
    padding: var(--space-6);
    gap: var(--space-2);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-interactive), transform var(--transition-interactive);
    overflow-y: auto;
  }
  .main-nav[data-open='true'] {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .main-nav a {
    font-size: var(--text-lg);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-divider);
  }
  .nav-toggle {
    display: inline-flex;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85em 1.6em;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn-ghost:hover {
  color: var(--color-text);
}
.btn svg {
  width: 16px;
  height: 16px;
}
.btn-lg {
  padding: 1em 2em;
  font-size: var(--text-base);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-10);
  background: var(--color-surface);
  margin-top: var(--space-24);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer-brand p {
  color: var(--color-text-muted);
  max-width: 32ch;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}
.footer-col h3 {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-col a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
}
.footer-col a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 760px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ---------- Reveal-on-scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
[data-reveal='true'][data-revealed='true'],
[data-reveal][data-revealed='true'] {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Utility ---------- */
.eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
}
.section {
  padding-block: var(--space-24);
}
.section--tight {
  padding-block: var(--space-16);
}
.text-muted {
  color: var(--color-text-muted);
}
.center {
  text-align: center;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* ---------- Shared quote / divider band (used on all pages) ---------- */
.verse-band {
  padding-block: var(--space-16);
  padding-inline: var(--space-6);
  text-align: center;
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.verse-band p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  max-width: 42ch;
  margin-inline: auto;
  color: var(--color-text);
}
.verse-band cite {
  display: block;
  margin-top: var(--space-3);
  font-style: normal;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}