/* ==========================================================================
   Layout: containers, sections, header, menu, tab bar, footer, page head, hero
   ========================================================================== */

.container {
  --bs-gutter-x: calc(var(--gutter) * 2);
  max-width: calc(var(--container) + var(--gutter) * 2);
}

.container-narrow { max-width: calc(var(--container-narrow) + var(--gutter) * 2); }

.section { padding-block: var(--space-section); position: relative; }
.section-tight { padding-block: calc(var(--space-section) * 0.55); }
.section + .section-tight, .section-tight + .section-tight { padding-top: 0; }

.section-band {
  background: var(--c-bg-alt);
  border-block: var(--bw) solid var(--c-border);
}

.section-head { max-width: 760px; margin-bottom: var(--space-7); }
.section-head .section-title { margin-bottom: var(--space-4); }

/* Header ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  padding: var(--space-3) var(--gutter) 0;
  view-transition-name: site-header;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  max-width: calc(var(--container) + 2rem);
  min-height: var(--header-h);
  margin-inline: auto;
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4);
  border: var(--bw) solid var(--c-border);
  border-radius: var(--radius-pill);
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.is-scrolled .header-inner { box-shadow: var(--shadow); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--c-ink);
  text-decoration: none;
  flex-shrink: 0;
}

.brand:hover { color: var(--c-ink); }
.brand .logo { width: 2.5rem; height: 2.5rem; color: var(--c-logo); }
.site-header .brand .logo, .site-header .brand-word { color: var(--c-logo-nav); }

.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--c-logo-word);
}


.main-nav { margin-inline: auto; }
.main-nav ul { display: flex; gap: var(--space-1); margin: 0; padding: 0; list-style: none; }

.main-nav a {
  position: relative;
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--c-text);
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.main-nav a:hover { background: var(--c-accent-soft); color: var(--c-accent-strong); }

.main-nav a[aria-current] { color: var(--c-accent); }

.main-nav a[aria-current]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.1rem;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: currentColor;
  transform: translateX(-50%);
  view-transition-name: nav-indicator;
}

.header-actions { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; }
.main-nav + .header-actions { margin-left: 0; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--c-muted);
  text-decoration: none;
  white-space: nowrap;
}

.status-pill:hover { color: var(--c-ink); background: var(--c-surface-2); }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 2.6rem;
  padding: 0 var(--space-4);
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--c-ink);
  color: var(--c-bg);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
}

.burger { display: grid; gap: 4px; width: 1rem; }
.burger span { height: 2px; background: currentColor; border-radius: 2px; transition: transform var(--dur) var(--ease); }
.burger span:last-child { width: 65%; justify-self: end; }
.menu-toggle:hover .burger span:last-child { transform: scaleX(1.5); transform-origin: right; }

.scroll-progress {
  position: absolute;
  left: var(--space-6);
  right: var(--space-6);
  bottom: -1px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-accent-fill);
  transform: scaleX(var(--progress, 0));
  transform-origin: left;
  pointer-events: none;
}

/* Theme popover */
.theme-btn .theme-icon { display: none; line-height: 0; }
[data-theme-pref="system"] .theme-btn [data-theme-icon="system"],
[data-theme-pref="light"] .theme-btn [data-theme-icon="light"],
[data-theme-pref="dark"] .theme-btn [data-theme-icon="dark"],
[data-theme-pref="contrast"] .theme-btn [data-theme-icon="contrast"] { display: block; }

.theme-menu {
  position: fixed;
  inset: auto;
  top: calc(var(--header-h) + var(--space-5));
  right: max(var(--gutter), calc((100vw - var(--container)) / 2 - 1rem));
  z-index: var(--z-popover);
  width: 15rem;
  margin: 0;
  padding: var(--space-2);
  border: var(--bw) solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-surface);
  color: var(--c-text);
  box-shadow: var(--shadow-lg);
}

.theme-menu-title {
  margin: var(--space-2) var(--space-3);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-muted);
}

.theme-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--c-text);
  font-size: var(--fs-sm);
  text-align: left;
  cursor: pointer;
}

.theme-option:hover { background: var(--c-surface-2); }
.theme-option[aria-pressed="true"] { background: var(--c-accent-soft); color: var(--c-accent-strong); font-weight: 600; }
.theme-option[aria-pressed="true"]::after { content: "✓"; margin-left: auto; }

/* Fullscreen menu (dialog) ---------------------------------------------- */
.site-menu {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--c-band);
  color: var(--c-on-band);
  overflow: hidden;
}

.site-menu::backdrop { background: rgb(0 0 0 / 0.4); }

/* No fill-mode: a clip-path left on the element breaks touch scrolling in Safari */
.site-menu[open] { animation: menu-in var(--dur-slow) var(--ease); }
@keyframes menu-in { from { clip-path: circle(0 at calc(100% - 3rem) 2.5rem); } to { clip-path: circle(150% at calc(100% - 3rem) 2.5rem); } }

/* The inner wrapper is the scroll container (reliable on iOS) */
.site-menu-inner {
  height: 100%;
  max-width: none;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-5) max(var(--gutter), calc((100% - var(--container)) / 2)) calc(var(--space-8) + env(safe-area-inset-bottom));
}

/* Page behind the open menu does not scroll */
html:has(.site-menu[open]) { overflow: hidden; }

.site-menu-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-6); }
.site-menu .eyebrow { color: var(--c-sand); }
.site-menu .eyebrow::before { background-image: linear-gradient(90deg, var(--c-sand) 70%, transparent 70%); }
.site-menu .icon-btn { background: transparent; color: var(--c-on-band); border-color: rgb(255 255 255 / 0.25); }

.site-menu-grid { display: grid; gap: var(--space-6) var(--space-5); grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }

.menu-area { min-width: 0; }
.menu-area-title {
  display: flex;
  hyphens: auto;
  overflow-wrap: anywhere;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgb(255 255 255 / 0.15);
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 600;
  color: var(--c-on-band);
  text-decoration: none;
}

a.menu-area-title:hover { color: var(--c-sand); }
.menu-area-title .index { font-size: var(--fs-xs); color: var(--c-sand); }

.menu-area ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-1); }

.menu-area li a {
  display: inline-block;
  padding: var(--space-1) 0;
  color: var(--c-on-band-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.menu-area li a:hover, .menu-area li a[aria-current] { color: var(--c-on-band); transform: translateX(4px); }

.menu-contact { display: grid; gap: var(--space-2); margin-top: var(--space-5); font-size: var(--fs-sm); color: var(--c-on-band-muted); }
.menu-contact a { color: var(--c-on-band); text-decoration: none; }
.menu-contact .icon { color: var(--c-sand); margin-right: var(--space-2); }

.site-menu[open] .menu-area { animation: rise var(--dur-slow) var(--ease) both; }
.site-menu[open] .menu-area:nth-child(2) { animation-delay: 60ms; }
.site-menu[open] .menu-area:nth-child(3) { animation-delay: 120ms; }
.site-menu[open] .menu-area:nth-child(4) { animation-delay: 180ms; }
.site-menu[open] .menu-area:nth-child(5) { animation-delay: 240ms; }
@keyframes rise { from { opacity: 0; transform: translateY(1rem); } }

/* Mobile tab bar ---------------------------------------------------------- */
.tabbar { display: none; }

@media (max-width: 1279.98px) {
  .status-pill { display: none; }
}

@media (max-width: 991.98px) {
  .main-nav, .header-cta, .scroll-progress { display: none; }
  .header-actions, .main-nav + .header-actions { margin-left: auto; }

  .tabbar {
    position: fixed;
    left: var(--space-3);
    right: var(--space-3);
    bottom: calc(var(--space-3) + env(safe-area-inset-bottom));
    z-index: var(--z-tabbar);
    display: grid;
    grid-auto-columns: 1fr;
    grid-auto-flow: column;
    padding: var(--space-1);
    border: var(--bw) solid var(--c-border);
    border-radius: var(--radius-lg);
    background: var(--glass);
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    box-shadow: var(--shadow-lg);
  }

  .tabbar a {
    display: grid;
    justify-items: center;
    gap: 0.15rem;
    padding: var(--space-2) 0;
    border-radius: var(--radius);
    font-size: 0.64rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--c-muted);
    text-decoration: none;
    line-height: 1.2;
    text-align: center;
  }

  .tabbar .icon { font-size: 1.2rem; }
  .tabbar span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .tabbar a[aria-current] { background: var(--c-ink); color: var(--c-bg); }

  body { padding-bottom: calc(var(--tabbar-h) + var(--space-5) + env(safe-area-inset-bottom)); }
}

@media (max-width: 420px) {
  .menu-toggle-label { display: none; }
  .brand-word { font-size: 1.05rem; letter-spacing: 0.06em; }
}

/* Page head (sub pages) --------------------------------------------------- */
.page-head { position: relative; padding: var(--space-7) 0 var(--space-8); overflow: hidden; }

.page-head-grid { display: grid; gap: var(--space-6); align-items: end; }
.has-aside .page-head-grid { grid-template-columns: minmax(0, 1fr); }

@media (min-width: 992px) {
  .has-aside .page-head-grid { grid-template-columns: minmax(0, 1.6fr) minmax(18rem, 1fr); }
}

.page-head h1 { max-width: 20ch; margin-block: var(--space-2) var(--space-5); }
.page-head .lead { position: relative; }

.breadcrumb-nav ol { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 0 0 var(--space-6); padding: 0; list-style: none; font-size: var(--fs-xs); color: var(--c-muted); }
.breadcrumb-nav li + li::before { content: "/"; margin-right: var(--space-2); opacity: 0.5; }
.breadcrumb-nav a { color: var(--c-muted); text-decoration: none; }
.breadcrumb-nav a:hover { color: var(--c-accent); }

/* Hero (home) ------------------------------------------------------------- */
.hero { position: relative; padding: var(--space-7) 0 var(--space-6); overflow: hidden; }

.hero-grid { position: relative; display: grid; gap: var(--space-6); align-items: center; }

@media (min-width: 992px) { .hero { padding-top: var(--space-8); } }
@media (max-width: 991.98px) { .pillars { margin-top: var(--space-5); } }
.hero-copy { max-width: 58rem; }

.hero-title { font-size: var(--fs-hero); line-height: 1; letter-spacing: -0.045em; margin: var(--space-4) 0 var(--space-5); }
.hero-text { font-size: var(--fs-lg); color: var(--c-muted); max-width: 54ch; }
.hero-copy > * { animation: rise var(--dur-slow) var(--ease) both; }
.hero-copy > :nth-child(2) { animation-delay: 80ms; }
.hero-copy > :nth-child(3) { animation-delay: 160ms; }
.hero-copy > :nth-child(4) { animation-delay: 240ms; }

/* Footer ------------------------------------------------------------------ */
.site-footer {
  margin-top: var(--space-8);
  padding: var(--space-8) 0 var(--space-6);
  background: var(--c-band);
  color: var(--c-on-band-muted);
  font-size: var(--fs-sm);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.site-footer a { color: var(--c-on-band); text-decoration: none; }
.site-footer a:hover { color: var(--c-sand); }
.site-footer .brand { color: var(--c-on-band); }
.site-footer .brand .logo, .site-footer .brand-word { color: var(--brand-sand); }

.footer-grid { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.footer-brand { grid-column: 1 / -1; }
@media (min-width: 1200px) { .footer-grid { grid-template-columns: 1.3fr repeat(5, 1fr); } .footer-brand { grid-column: auto; } }

.footer-slogan { margin: var(--space-4) 0; max-width: 32ch; }
.footer-contact { display: grid; gap: var(--space-2); font-style: normal; }
.footer-contact .icon, .menu-contact .icon { color: var(--c-sand); margin-right: var(--space-1); }
.footer-title { display: block; margin-bottom: var(--space-3); font-family: var(--font-display); font-weight: 600; color: var(--c-on-band); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.footer-col ul a { color: var(--c-on-band-muted); }

.footer-places { margin: var(--space-7) 0 0; padding-top: var(--space-5); border-top: 1px solid rgb(255 255 255 / 0.12); display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); }

.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5); justify-content: space-between; margin-top: var(--space-5); font-size: var(--fs-xs); }
.footer-bottom nav { display: flex; gap: var(--space-4); flex-wrap: wrap; }

.footer-newsletter {
  display: grid;
  gap: var(--space-4) var(--space-6);
  align-items: center;
  margin-top: var(--space-7);
  padding: var(--space-5);
  border: 1px solid rgb(255 255 255 / 0.12);
  border-radius: var(--radius-lg);
}

@media (min-width: 992px) { .footer-newsletter { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); padding: var(--space-6); } }
.footer-newsletter .footer-title { font-size: var(--fs-h4); margin-bottom: var(--space-2); }
.footer-newsletter .newsletter-text { margin: 0; }
.site-footer .newsletter-text, .site-footer .field-help { font-size: var(--fs-xs); color: var(--c-on-band-muted); }
.site-footer .form-control { background: transparent; color: var(--c-on-band); border-color: rgb(255 255 255 / 0.3); }
.site-footer .form-label { color: var(--c-on-band); }
.site-footer .form-check-input { background-color: transparent; border-color: rgb(255 255 255 / 0.4); }
.site-footer .form-check-input:checked { background-color: var(--brand-sand); border-color: var(--brand-sand); }
.site-footer .form-check-label a { color: var(--c-sand); text-decoration: underline; }