/* Hansika Guest Inn — layout and components (mobile-first).
   Signature: the tank-bund path — a 2px dashed kumbuk-green line that starts under the
   hero map pin and continues as the only section divider, with a 10px square station
   mark at each heading. docs/03-design-spec.md §3. */

/* ---------- utilities ---------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}
.wrap { max-width: var(--max-w); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- buttons ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  min-height: 48px; padding: var(--s-2) var(--s-6);
  border: 1.5px solid transparent; border-radius: var(--r-md);
  font-weight: 600; font-size: var(--fs-0); line-height: 1.4; text-align: center;
  text-decoration: none; cursor: pointer;
}
.button-primary { background: var(--c-accent); color: var(--c-accent-ink); }
.button-primary:hover { background: var(--c-accent-strong); }
.button-primary:active { background: var(--c-accent-strong); }
.button-secondary { background: transparent; color: var(--c-accent); border-color: var(--c-accent); }
.button-secondary:hover { background: var(--c-tint); }
.button-secondary:active { background: var(--c-line); }
.icon-button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; background: transparent; color: var(--c-ink);
  border: 1.5px solid var(--c-line); border-radius: var(--r-sm); cursor: pointer;
}
.icon-button svg { width: 22px; height: 22px; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--c-bg); border-bottom: 1px solid var(--c-line); }
.header-inner {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-3);
  max-width: var(--max-w); margin-inline: auto; padding: var(--s-2) var(--gutter); min-height: 56px;
}
.wordmark {
  margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 1.06rem;
  line-height: 1.3; color: var(--c-ink); white-space: nowrap;
}
.header-lang { display: flex; flex-wrap: wrap; gap: var(--s-1); margin-inline-start: auto; }
/* 390 and below: the language row wraps inside the same header instead of clipping. */
@media (max-width: 479px) {
  .header-lang { flex: 1 0 100%; margin-inline-start: 0; order: 4; }
  .menu-toggle { margin-inline-start: auto; order: 3; }
}
.lang a {
  display: inline-flex; align-items: center; min-height: 44px; padding-inline: var(--s-2);
  color: var(--c-muted); font-size: var(--fs-0); text-decoration: none;
  border-bottom: 2px solid transparent;
}
.lang a[aria-current="true"] { color: var(--c-ink); border-bottom-color: var(--c-accent); }
.nav-desktop { display: none; }
.header-cta { display: none; }
.menu-toggle {
  display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
  background: transparent; color: var(--c-ink); border: 1.5px solid var(--c-line);
  border-radius: var(--r-sm); cursor: pointer;
}
.menu-toggle svg { width: 24px; height: 24px; }
@media (min-width: 1024px) {
  .header-inner { min-height: 64px; }
  .menu-toggle { display: none; }
  .nav-desktop { display: flex; gap: var(--s-6); margin-inline: auto; }
  .nav-desktop a { display: inline-flex; align-items: center; min-height: 44px; color: var(--c-ink); text-decoration: none; }
  .nav-desktop a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
  .header-cta { display: inline-flex; min-height: 44px; }
}

/* ---------- hero (map-led) ---------- */
.hero { padding-top: var(--s-8); }
.hero-grid { display: grid; gap: var(--s-8); }
.hero-copy { display: grid; gap: var(--s-4); justify-items: start; }
.kicker { margin: 0; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-0); color: var(--c-muted); }
.hero h1 { max-width: 24ch; }
.subline { margin: 0; max-width: 36rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-3); }
.fact-chips { display: flex; flex-wrap: wrap; gap: var(--s-2); list-style: none; margin: 0; padding: 0; }
.fact-chips li {
  background: var(--c-tint); border: 1px solid var(--c-line); border-radius: var(--r-md);
  padding: var(--s-1) var(--s-3); font-size: var(--fs-0);
}
@media (min-width: 1024px) {
  .hero { padding-top: var(--s-12); }
  .hero-grid { grid-template-columns: minmax(0, 32rem) 480px; justify-content: space-between; gap: var(--s-12); align-items: start; }
  .hero-map { justify-self: end; }
}

/* ---------- map card ---------- */
.map-card {
  display: grid; gap: var(--s-3); padding: var(--s-4);
  background: var(--c-tint); border: 2px dashed var(--c-accent); border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
}
.map-frame {
  position: relative; display: grid; place-items: center; overflow: hidden;
  aspect-ratio: 4 / 3; background: var(--c-surface);
  border: 1px solid var(--c-line); border-radius: var(--r-md);
}
.map-grid { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--c-line); }
.map-pin { position: relative; display: block; width: 32px; height: 32px; color: var(--c-accent); animation: pin-drop var(--t-hero) var(--ease) both; }
.map-pin svg { display: block; width: 100%; height: 100%; }
.map-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.map-loading { position: absolute; inset: 0; display: grid; place-items: center; font-size: var(--fs-0); color: var(--c-muted); background: var(--c-surface); }
.map-caption { margin: 0; font-size: var(--fs-0); color: var(--c-muted); }
.map-actions { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.maps-link { display: inline-flex; align-items: center; min-height: 44px; font-size: var(--fs-0); }
@media (min-width: 1024px) { .hero-map .map-card { width: 480px; } }

/* ---------- the tank-bund path (signature) ---------- */
.tank-path {
  height: 2px;
  background-image: repeating-linear-gradient(to right, var(--c-accent) 0 8px, transparent 8px 14px);
  background-repeat: repeat-x;
}
.tank-path--hero { margin-top: var(--s-6); transform-origin: left center; animation: tank-draw var(--t-hero) var(--ease) both; }
.tank-path--section { margin-block: 0; }

/* ---------- heading station marks ---------- */
.section h2, .hero h2 { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: var(--s-3); align-items: start; }
.section h2::before {
  content: ""; width: 10px; height: 10px; background: var(--c-accent);
  margin-top: calc(var(--fs-3) * var(--scale-heading) * var(--lh-heading) / 2 - 5px);
}

/* ---------- hero band ---------- */
.hero-band { margin-top: var(--s-8); background: var(--c-tint); }
.hero-band img { width: 100%; height: auto; }
@media (max-width: 768px) { .hero-band img { aspect-ratio: 4 / 5; object-fit: cover; } }
@media (min-width: 769px) and (max-width: 1023px) { .hero-band img { aspect-ratio: 16 / 9; object-fit: cover; } }
@media (min-width: 1024px) { .hero-band img { height: 120px; object-fit: cover; } }

/* ---------- sections ---------- */
.section { padding-block: var(--s-12); border-top: 0; }
main section { border-top: 0; scroll-margin-top: calc(var(--header-h) + var(--s-4)); }
.section-intro { margin: var(--s-4) 0 var(--s-8); max-width: 46rem; }

/* about */
.about-grid { display: grid; gap: var(--s-8); }
.about-copy { display: grid; gap: var(--s-4); }
.prose p { margin: 0 0 var(--s-4); max-width: 40rem; }
.prose p:last-child { margin-bottom: 0; }
.about-photo img { width: 100%; border-radius: var(--r-md); }
.highlights { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4); margin: 0; }
.highlights dt { font-size: var(--fs-0); color: var(--c-muted); }
.highlights dd { margin: var(--s-1) 0 0; font-family: var(--font-display); font-weight: 600; }
@media (min-width: 1024px) {
  .about-grid { grid-template-columns: 7fr 5fr; gap: var(--s-12); align-items: start; }
  .about-copy { grid-column: 1; grid-row: 1 / span 2; }
  .about-photo { grid-column: 2; grid-row: 1; }
  .highlights { grid-column: 2; grid-row: 2; }
}

/* services */
.service-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-6); }
.service-list li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: var(--s-4); align-items: start; }
.service-list svg { width: 24px; height: 24px; margin-top: 3px; color: var(--c-accent); }
.service-list p { margin: var(--s-1) 0 0; }
.service-note { margin: var(--s-8) 0 0; font-size: var(--fs-0); color: var(--c-muted); }
@media (min-width: 1024px) {
  .service-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-8) var(--s-6); }
  .service-list li { grid-template-columns: minmax(0, 1fr); gap: var(--s-3); }
  .service-list svg { width: 28px; height: 28px; margin-top: 0; }
}

/* gallery */
.gallery-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3); }
.gallery-tile {
  position: relative; display: block; width: 100%; padding: 0; margin: 0; cursor: zoom-in;
  aspect-ratio: 4 / 3; overflow: hidden; background: var(--c-tint);
  border: 1px solid var(--c-line); border-radius: var(--r-md);
}
.gallery-tile picture { display: block; width: 100%; height: 100%; }
.gallery-tile img { width: 100%; height: 100%; object-fit: cover; }
.gallery-tile:focus-visible { outline-offset: 3px; }
.sample-badge {
  position: absolute; bottom: var(--s-2); inset-inline-start: var(--s-2);
  padding: 2px 6px; background: rgb(28 36 24 / .85); color: #FFFFFF;
  font-size: 11px; line-height: 1.5; border-radius: var(--r-sm);
}
@media (min-width: 1024px) { .gallery-list { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-4); } }

/* contact */
.contact-grid { display: grid; gap: var(--s-8); }
.contact-rows { display: grid; gap: var(--s-6); margin: var(--s-8) 0 0; }
.contact-rows dt { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-0); color: var(--c-muted); }
.contact-rows dd { margin: var(--s-1) 0 0; }
.contact-rows a[href^="tel:"] { display: inline-flex; align-items: center; min-height: 44px; font-family: var(--font-display); font-weight: 700; font-size: var(--fs-2); }
.hours-note { margin: 0; }
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 7fr 5fr; gap: var(--s-12); align-items: start; }
  .map-card--contact { justify-self: end; width: 100%; max-width: 30rem; }
}

/* ---------- image failure fallback ---------- */
picture.image-unavailable { position: relative; background: var(--c-tint); }
picture.image-unavailable img { visibility: hidden; }
picture.image-unavailable::after {
  content: attr(data-fallback-label);
  position: absolute; inset: 0; display: grid; place-items: center; padding: var(--s-3);
  text-align: center; font-size: var(--fs-0); color: var(--c-muted); background: var(--c-tint);
}

/* ---------- footer ---------- */
.site-footer { background: var(--c-surface); padding-block: var(--s-12); }
/* The sticky bar overlays the page bottom below 1024px; keep the last footer control
   reachable so a focused element is never covered by it. */
@media (max-width: 1023px) { .site-footer { padding-bottom: calc(var(--s-12) + var(--sticky-cta-h)); } }
.site-footer p { margin: 0 0 var(--s-3); }
.prototype-notice { font-size: var(--fs-0); color: var(--c-muted); max-width: 48rem; }
.offer-row { margin-top: var(--s-6); }
.back-top { display: inline-flex; align-items: center; min-height: 44px; margin-top: var(--s-4); font-size: var(--fs-0); }

/* ---------- sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 60;
  display: flex; justify-content: center;
  padding: var(--s-2) var(--gutter) calc(var(--s-2) + env(safe-area-inset-bottom));
  background: var(--c-bg); border-top: 1px solid var(--c-line);
}
.sticky-cta .button { width: 100%; max-width: 28rem; }
@media (min-width: 1024px) { .sticky-cta { display: none; } }

/* ---------- dialogs ---------- */
dialog { border: 0; padding: 0; background: var(--c-bg); color: var(--c-ink); overscroll-behavior: contain; }
dialog::backdrop { background: rgb(28 36 24 / .45); }
#menu-drawer {
  position: fixed; inset: 0 0 0 auto; margin: 0; width: min(22rem, 88vw);
  max-width: none; max-height: 100%; height: 100%; padding: var(--s-6);
  box-shadow: var(--shadow-1);
}
#menu-drawer[open] {
  display: grid; gap: var(--s-4); align-content: start;
  animation: drawer-in var(--t-base) var(--ease);
}
#menu-drawer .drawer-lang { margin-inline-start: 0; }
.drawer-nav { display: grid; gap: var(--s-1); }
.drawer-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--c-ink); text-decoration: none; }
#lightbox { width: min(56rem, 92vw); max-width: none; border-radius: var(--r-lg); padding: var(--s-4); box-shadow: var(--shadow-1); }
.viewer-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); margin-bottom: var(--s-3); }
.viewer-count { margin: 0 auto; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-0); }
.viewer-controls { display: flex; gap: var(--s-2); }
.viewer-image img { width: 100%; height: auto; max-height: 62vh; object-fit: contain; border-radius: var(--r-md); }
#viewer-caption { margin: var(--s-3) 0 0; font-size: var(--fs-0); color: var(--c-muted); }

/* ---------- the one hero entrance ---------- */
@keyframes pin-drop { from { transform: translateY(-8px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes tank-draw { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes drawer-in { from { transform: translateX(100%); } to { transform: translateX(0); } }
@media (prefers-reduced-motion: reduce) {
  .map-pin, .tank-path--hero, #menu-drawer { animation: none; }
}