/* sections.css: home page sections, top to bottom. */

/* ---------- Hero ---------- */

.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  padding: calc(var(--header-h) + 48px) 0 clamp(56px, 9vw, 112px);
  overflow: hidden;
}

.hero-img {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 45%;
  animation: hero-zoom 2.4s var(--ease-out) both;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(11, 9, 8, 0.7) 0%, rgba(11, 9, 8, 0.15) 30%, rgba(11, 9, 8, 0.6) 64%, var(--ink) 100%),
    linear-gradient(90deg, rgba(11, 9, 8, 0.72) 0%, transparent 72%);
}

/* Art Deco sunburst rising from the bottom edge. */
.hero-fan {
  position: absolute;
  left: 50%;
  bottom: 0;
  z-index: -1;
  width: min(1100px, 160vw);
  aspect-ratio: 2 / 1;
  transform: translateX(-50%);
  background: repeating-conic-gradient(from -90deg at 50% 100%, rgba(216, 180, 106, 0.3) 0deg 0.6deg, transparent 0.6deg 7.5deg);
  -webkit-mask-image: radial-gradient(circle at 50% 100%, #000 0, #000 30%, transparent 68%);
  mask-image: radial-gradient(circle at 50% 100%, #000 0, #000 30%, transparent 68%);
  opacity: 0.5;
}

.hero-content > * {
  animation: rise 0.9s var(--ease-out) both;
}

/* The title is the likely LCP element: it only settles, it never starts invisible. */
.hero-content > .hero-title {
  animation-name: settle;
}

.hero-content > :nth-child(2) {
  animation-delay: 0.12s;
}

.hero-content > :nth-child(3) {
  animation-delay: 0.24s;
}

.hero-content > :nth-child(4) {
  animation-delay: 0.36s;
}

.hero-content > :nth-child(5) {
  animation-delay: 0.48s;
}

.hero-crest {
  width: clamp(64px, 14vw, 104px);
  height: auto;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 6px 24px rgba(0, 0, 0, 0.55));
}

.hero-title {
  margin-bottom: 1.25rem;
  font-size: clamp(3.1rem, 13vw, 8rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.45);
}

.hero-title em {
  display: block;
  margin-top: 0.3em;
  font-size: 0.42em;
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--gold-bright);
}

.hero-lede {
  max-width: 34rem;
  margin-bottom: 2rem;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: rgba(244, 236, 221, 0.92);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: 32rem;
}

/* Side-by-side buttons share the row evenly and stack evenly on phones. */
.hero-actions .btn,
.booking-actions .btn,
.form-actions .btn {
  flex: 1 1 200px;
}

@media (max-width: 559px) {
  .hero .eyebrow {
    letter-spacing: 0.18em;
  }
}

/* Portrait tablets get the landscape photo: keep the TH-KTV sign in frame.
   Phones in portrait get a dedicated crop through <picture>. */
@media (min-width: 768px) and (max-width: 959px) {
  .hero-img {
    object-position: 68% 50%;
  }
}

.hero-hanzi {
  display: none;
}

@media (min-width: 960px) {
  .hero-hanzi {
    position: absolute;
    top: 50%;
    right: var(--gutter);
    z-index: -1;
    display: block;
    margin: 0;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-family: "Songti SC", "Noto Serif CJK SC", "Noto Serif SC", serif;
    font-size: clamp(6rem, 11vw, 10rem);
    line-height: 1;
    letter-spacing: 0.1em;
    color: transparent;
    -webkit-text-stroke: 1px rgba(216, 180, 106, 0.55);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes settle {
  from {
    transform: translateY(14px);
  }
  to {
    transform: none;
  }
}

@keyframes hero-zoom {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

/* ---------- Quick facts ---------- */

.facts {
  background: var(--ink-2);
  border-block: 1px solid var(--line-soft);
}

.facts-grid {
  display: grid;
}

.fact {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.fact:last-child {
  border-bottom: 0;
}

.fact-label {
  margin-bottom: 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.fact-value {
  margin-bottom: 0.25rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--cream);
}

.fact-value a {
  text-decoration: none;
}

.fact-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.fact-link {
  font-size: 0.9rem;
  color: var(--gold-bright);
  text-underline-offset: 4px;
}

@media (min-width: 760px) {
  .facts-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .fact {
    padding: 2rem 2rem 2rem 0;
    border-bottom: 0;
  }

  .fact + .fact {
    padding-left: 2rem;
    border-left: 1px solid var(--line-soft);
  }
}

/* ---------- Sections ---------- */

.section {
  padding-block: var(--section-y);
  scroll-margin-top: var(--header-h);
}

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.about-text p {
  max-width: 36rem;
  color: var(--cream-soft);
}

.link-arrow {
  display: inline-flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gold-bright);
}

.link-arrow::after {
  content: "→";
}

.about-media {
  position: relative;
  padding-bottom: 18%;
}

.about-main {
  width: 88%;
  margin-left: auto;
  aspect-ratio: 4 / 3;
}

.about-offset {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 52%;
  aspect-ratio: 4 / 3;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

/* ---------- Gallery ---------- */

.gallery {
  background: linear-gradient(180deg, transparent, rgba(20, 16, 13, 0.7) 25%, rgba(20, 16, 13, 0.7) 75%, transparent);
}

.gallery-grid {
  display: grid;
  gap: 12px;
}

.tile-btn {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: 0;
  overflow: hidden;
  background: var(--ink-3);
  border: 1px solid var(--line-soft);
  cursor: zoom-in;
}

.tile-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.tile-btn:hover img,
.tile-btn:focus-visible img {
  transform: scale(1.05);
}

.tile-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2.5rem 1rem 0.9rem;
  background: linear-gradient(180deg, transparent, rgba(11, 9, 8, 0.88));
  font-family: var(--font-display);
  font-size: 1.05rem;
  text-align: left;
  color: var(--cream);
}

.tile-caption::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  margin-bottom: 0.5rem;
  background: var(--gold);
}

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

  .tile-wide,
  .tile:last-child {
    grid-column: 1 / -1;
  }

  .tile-wide .tile-btn,
  .tile:last-child .tile-btn {
    aspect-ratio: 16 / 9;
  }
}

@media (min-width: 1000px) {
  .gallery-grid {
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: clamp(170px, 17vw, 230px);
  }

  .tile,
  .tile:last-child {
    grid-column: span 2;
  }

  .tile-wide {
    grid-column: span 4;
    grid-row: span 2;
  }

  .tile-btn,
  .tile-wide .tile-btn,
  .tile:last-child .tile-btn {
    height: 100%;
    aspect-ratio: auto;
  }
}

/* ---------- Occasions ---------- */

.occasion-list {
  display: grid;
}

.occasion {
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}

.numeral {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-style: italic;
  line-height: 1;
  color: var(--gold);
}

.occasion h3 {
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}

.occasion p {
  margin: 0;
  color: var(--muted);
}

@media (min-width: 640px) {
  .occasion-list {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 2rem;
  }
}

@media (min-width: 1000px) {
  .occasion-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Booking ---------- */

.booking {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  border-block: 1px solid var(--line-soft);
}

/* Deco pinstripes. */
.booking::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(216, 180, 106, 0.04) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.booking-grid {
  position: relative;
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
  align-items: start;
}

.steps {
  display: grid;
  gap: 1.1rem;
  margin-bottom: 2rem;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding-left: 3.25rem;
  color: var(--cream-soft);
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  top: -0.1rem;
  left: 0;
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--gold);
  outline: 1px solid var(--line-soft);
  outline-offset: 3px;
  font-family: var(--font-display);
  color: var(--gold-bright);
}

.steps strong {
  font-weight: 600;
  color: var(--cream);
}

.booking-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: 32rem;
}

.booking-form {
  padding: clamp(1.25rem, 4vw, 2rem);
  background: var(--ink);
  border: 1px solid var(--line);
  outline: 1px solid var(--line-soft);
  outline-offset: 6px;
}

.form-title {
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.form-note {
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1rem;
}

.field label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.85rem;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: 0;
  font: inherit;
  font-size: 1rem;
  color: var(--cream);
}

.field textarea {
  min-height: 96px;
  resize: vertical;
}

.field .required-mark {
  color: var(--gold-bright);
}

.field [aria-invalid="true"] {
  border-color: var(--red-bright);
}

/* Transparent outline (not none) so forced-colors mode still draws a focus ring. */
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid transparent;
  border-color: var(--gold-bright);
  box-shadow: 0 0 0 3px rgba(216, 180, 106, 0.18);
}

.form-error {
  padding: 0.7rem 0.9rem;
  background: rgba(179, 32, 42, 0.14);
  border-left: 3px solid var(--red-bright);
  font-size: 0.92rem;
  color: var(--cream);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.form-status {
  min-height: 1.5em;
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.form-preview {
  margin: 0.75rem 0 0;
  padding: 0.9rem 1rem;
  white-space: pre-wrap;
  background: var(--ink-3);
  border: 1px dashed var(--line);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--cream);
}

@media (min-width: 900px) {
  .booking-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.contact-list {
  margin-bottom: 1.75rem;
  font-style: normal;
}

.contact-list p {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1rem;
  color: var(--cream-soft);
}

.contact-list .icon {
  margin-top: 0.3rem;
  color: var(--gold);
}

.contact-list a {
  color: var(--gold-bright);
  text-underline-offset: 4px;
}

.map-frame {
  padding: 8px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  outline: 1px solid var(--line-soft);
  outline-offset: 6px;
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: clamp(300px, 42vw, 440px);
  border: 0;
  filter: grayscale(0.35) contrast(1.05);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 0.85fr 1.15fr;
  }
}