/**
 * KTC landing shutter — heritage valley doors
 * Emerald + rose gold; plays once per session on home.
 */
.ktc-shutter {
  --shutter-ease: cubic-bezier(0.76, 0, 0.24, 1);
  --shutter-soft: cubic-bezier(0.16, 1, 0.3, 1);
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #f6f3f1;
  background: #062820;
  isolation: isolate;
  pointer-events: auto;
}

.ktc-shutter[hidden] {
  display: none !important;
}

html.ktc-shutter-seen .ktc-shutter,
html.ktc-shutter-reduced .ktc-shutter {
  display: none !important;
}

body.has-ktc-shutter {
  overflow: hidden !important;
  height: 100dvh;
}

body.has-ktc-shutter .site-header,
body.has-ktc-shutter .ktc-announce,
body.has-ktc-shutter #main {
  visibility: hidden;
}

/* Soft rose bloom behind crest */
.ktc-shutter__bloom {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 48% 36% at 50% 42%, rgba(212, 160, 144, 0.22), transparent 70%),
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(10, 61, 50, 0.9), transparent 55%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s var(--shutter-soft);
}

.ktc-shutter.is-ready .ktc-shutter__bloom {
  opacity: 1;
}

/* Dual shutter panels */
.ktc-shutter__veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  pointer-events: none;
}

.ktc-shutter__panel {
  position: relative;
  flex: 1 1 50%;
  width: 50%;
  height: 100%;
  overflow: hidden;
  background:
    linear-gradient(165deg, #0c4639 0%, #062820 48%, #041e18 100%);
  will-change: transform;
  transition: transform 0.7s var(--shutter-ease);
}

.ktc-shutter__panel--left {
  border-right: 1px solid rgba(194, 145, 137, 0.18);
  transform-origin: left center;
  box-shadow: inset -24px 0 48px rgba(0, 0, 0, 0.18);
}

.ktc-shutter__panel--right {
  border-left: 1px solid rgba(194, 145, 137, 0.18);
  transform-origin: right center;
  box-shadow: inset 24px 0 48px rgba(0, 0, 0, 0.18);
}

.ktc-shutter__louvers {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent 28px,
    rgba(194, 145, 137, 0.045) 28px,
    rgba(194, 145, 137, 0.045) 29px
  );
  opacity: 0.85;
}

.ktc-shutter__grain {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  pointer-events: none;
}

.ktc-shutter__ridge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: clamp(72px, 14vh, 140px);
  color: rgba(6, 40, 32, 0.55);
  opacity: 0.9;
}

/* Center hinge seam */
.ktc-shutter__hinge {
  position: absolute;
  top: 8%;
  bottom: 8%;
  left: 50%;
  z-index: 3;
  width: 1px;
  transform: translateX(-50%) scaleY(0);
  background: linear-gradient(
    180deg,
    transparent,
    rgba(212, 160, 144, 0.55) 18%,
    rgba(212, 160, 144, 0.85) 50%,
    rgba(212, 160, 144, 0.55) 82%,
    transparent
  );
  transform-origin: center;
  transition: transform 0.5s var(--shutter-soft) 0.05s, opacity 0.3s ease 1.1s;
  opacity: 1;
  pointer-events: none;
}

.ktc-shutter.is-ready .ktc-shutter__hinge {
  transform: translateX(-50%) scaleY(1);
}

/* Crest stage */
.ktc-shutter__stage {
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
  max-width: min(92vw, 520px);
  transform: translateY(12px);
  opacity: 0;
  transition: opacity 0.4s var(--shutter-soft), transform 0.5s var(--shutter-soft);
}

.ktc-shutter.is-ready .ktc-shutter__stage {
  opacity: 1;
  transform: translateY(0);
}

.ktc-shutter__crest {
  position: relative;
  width: 5.5rem;
  height: 5.5rem;
  display: grid;
  place-items: center;
  margin-bottom: 1.35rem;
}

.ktc-shutter__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(212, 160, 144, 0.45);
  box-shadow:
    0 0 0 6px rgba(212, 160, 144, 0.06),
    inset 0 0 24px rgba(212, 160, 144, 0.08);
  transform: scale(0.72);
  opacity: 0;
  transition: transform 0.55s var(--shutter-soft) 0.05s, opacity 0.4s ease 0.05s;
}

.ktc-shutter.is-ready .ktc-shutter__ring {
  transform: scale(1);
  opacity: 1;
}

.ktc-shutter.is-ready .ktc-shutter__ring::after {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid rgba(212, 160, 144, 0.18);
  animation: ktc-shutter-pulse 1.4s var(--shutter-soft) 0.25s both;
}

.ktc-shutter__mark {
  position: relative;
  z-index: 1;
  width: 3.25rem;
  height: 3.25rem;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.35));
  transform: scale(0.6);
  opacity: 0;
  transition: transform 0.5s var(--shutter-soft) 0.08s, opacity 0.35s ease 0.08s;
}

.ktc-shutter.is-ready .ktc-shutter__mark {
  transform: scale(1);
  opacity: 1;
}

.ktc-shutter__eyebrow {
  margin: 0 0 0.55rem;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(212, 160, 144, 0.92);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease 0.2s, transform 0.4s var(--shutter-soft) 0.2s;
}

.ktc-shutter.is-ready .ktc-shutter__eyebrow {
  opacity: 1;
  transform: translateY(0);
}

.ktc-shutter__title {
  margin: 0;
  font-weight: 500;
  line-height: 1.15;
}

.ktc-shutter__brand {
  display: block;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(1.85rem, 4.6vw, 2.75rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #f6f3f1;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.4s ease 0.28s, transform 0.45s var(--shutter-soft) 0.28s;
}

.ktc-shutter.is-ready .ktc-shutter__brand {
  opacity: 1;
  transform: translateY(0);
}

.ktc-shutter__rule {
  width: min(220px, 52vw);
  height: 1px;
  margin: 1.1rem 0 1rem;
  overflow: hidden;
}

.ktc-shutter__rule i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, transparent, #d4a090 20%, #e0b4a8 50%, #d4a090 80%, transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.45s var(--shutter-soft) 0.4s;
}

.ktc-shutter.is-ready .ktc-shutter__rule i {
  transform: scaleX(1);
}

.ktc-shutter__lead {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 500;
  color: rgba(246, 243, 241, 0.88);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease 0.5s, transform 0.4s var(--shutter-soft) 0.5s;
}

.ktc-shutter.is-ready .ktc-shutter__lead {
  opacity: 1;
  transform: translateY(0);
}

.ktc-shutter__lead em {
  font-family: "Great Vibes", cursive;
  font-style: normal;
  font-size: 1.35em;
  color: #d4a090;
  margin-left: 0.12em;
}

.ktc-shutter__places {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1.1rem;
  margin: 1.35rem 0 0;
  padding: 0;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease 0.6s, transform 0.4s var(--shutter-soft) 0.6s;
}

.ktc-shutter.is-ready .ktc-shutter__places {
  opacity: 1;
  transform: translateY(0);
}

.ktc-shutter__places li {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(246, 243, 241, 0.55);
  position: relative;
}

.ktc-shutter__places li + li::before {
  content: '·';
  position: absolute;
  left: -0.7rem;
  color: rgba(212, 160, 144, 0.55);
}

/* Enter control */
.ktc-shutter__enter {
  position: absolute;
  z-index: 5;
  bottom: max(1.75rem, env(safe-area-inset-bottom, 0px) + 1rem);
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1.35rem;
  border: 1px solid rgba(212, 160, 144, 0.45);
  border-radius: 999px;
  background: rgba(6, 40, 32, 0.35);
  backdrop-filter: blur(10px);
  color: #f6f3f1;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0;
  transition:
    opacity 0.35s ease 0.7s,
    transform 0.4s var(--shutter-soft) 0.7s,
    background 0.2s ease,
    border-color 0.2s ease;
}

.ktc-shutter.is-ready .ktc-shutter__enter {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.ktc-shutter__enter:hover,
.ktc-shutter__enter:focus-visible {
  background: rgba(194, 145, 137, 0.22);
  border-color: rgba(224, 180, 168, 0.75);
  outline: none;
}

.ktc-shutter__enter svg {
  transition: transform 0.35s var(--shutter-soft);
}

.ktc-shutter__enter:hover svg {
  transform: translateX(3px);
}

/* Opening: panels part */
.ktc-shutter.is-opening .ktc-shutter__panel--left {
  transform: translateX(-104%);
}

.ktc-shutter.is-opening .ktc-shutter__panel--right {
  transform: translateX(104%);
}

.ktc-shutter.is-opening .ktc-shutter__stage {
  opacity: 0;
  transform: scale(1.04) translateY(-8px);
  transition-delay: 0s;
  transition-duration: 0.55s;
}

.ktc-shutter.is-opening .ktc-shutter__hinge,
.ktc-shutter.is-opening .ktc-shutter__bloom,
.ktc-shutter.is-opening .ktc-shutter__enter {
  opacity: 0;
  transition-delay: 0s;
  transition-duration: 0.4s;
}

.ktc-shutter.is-opening .ktc-shutter__enter {
  transform: translateX(-50%) translateY(8px);
  pointer-events: none;
}

.ktc-shutter.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0s linear 0.25s;
}

@keyframes ktc-shutter-pulse {
  0% { transform: scale(0.92); opacity: 0; }
  40% { opacity: 0.7; }
  100% { transform: scale(1.12); opacity: 0; }
}

@media (max-width: 640px) {
  .ktc-shutter__crest {
    width: 4.6rem;
    height: 4.6rem;
    margin-bottom: 1.1rem;
  }
  .ktc-shutter__mark {
    width: 2.7rem;
    height: 2.7rem;
  }
  .ktc-shutter__places {
    gap: 0.25rem 0.85rem;
  }
  .ktc-shutter__louvers {
    background: repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 18px,
      rgba(194, 145, 137, 0.05) 18px,
      rgba(194, 145, 137, 0.05) 19px
    );
  }
}

@media (prefers-reduced-motion: reduce) {
  .ktc-shutter,
  .ktc-shutter * {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}