/* ─── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:       #C8A96E;
  --gold-light: #E8D5A3;
  --cream:      #F4ECD8;
  --dark:       #1A0F05;
  --mid:        #3D2B1F;
  --slide-dur:  33s;       /* display time per slide          */
  --fade-dur:   1.8s;      /* crossfade duration              */
  --ken-scale:  1.08;      /* Ken Burns zoom amount           */
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--dark);
  cursor: none;
}

/* ─── Slideshow ─────────────────────────────────────────────────── */
#slideshow {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transform: scale(1);
  transition: opacity var(--fade-dur) ease-in-out;
  will-change: opacity, transform;
}

/* Active slide fades in */
.slide.active {
  opacity: 1;
}

/* Ken Burns — 8 directional variants, assigned via JS */
.slide.active.kb-0  { animation: kb-zoom-tl var(--slide-dur) ease-in-out forwards; }
.slide.active.kb-1  { animation: kb-zoom-tr var(--slide-dur) ease-in-out forwards; }
.slide.active.kb-2  { animation: kb-zoom-bl var(--slide-dur) ease-in-out forwards; }
.slide.active.kb-3  { animation: kb-zoom-br var(--slide-dur) ease-in-out forwards; }
.slide.active.kb-4  { animation: kb-pan-l   var(--slide-dur) ease-in-out forwards; }
.slide.active.kb-5  { animation: kb-pan-r   var(--slide-dur) ease-in-out forwards; }
.slide.active.kb-6  { animation: kb-pan-u   var(--slide-dur) ease-in-out forwards; }
.slide.active.kb-7  { animation: kb-pan-d   var(--slide-dur) ease-in-out forwards; }

@keyframes kb-zoom-tl {
  from { transform: scale(1)                  translate(0, 0); }
  to   { transform: scale(var(--ken-scale))   translate(-2%, -2%); }
}
@keyframes kb-zoom-tr {
  from { transform: scale(1)                  translate(0, 0); }
  to   { transform: scale(var(--ken-scale))   translate(2%, -2%); }
}
@keyframes kb-zoom-bl {
  from { transform: scale(1)                  translate(0, 0); }
  to   { transform: scale(var(--ken-scale))   translate(-2%, 2%); }
}
@keyframes kb-zoom-br {
  from { transform: scale(1)                  translate(0, 0); }
  to   { transform: scale(var(--ken-scale))   translate(2%, 2%); }
}
@keyframes kb-pan-l {
  from { transform: scale(var(--ken-scale))   translate(2%, 0); }
  to   { transform: scale(var(--ken-scale))   translate(-2%, 0); }
}
@keyframes kb-pan-r {
  from { transform: scale(var(--ken-scale))   translate(-2%, 0); }
  to   { transform: scale(var(--ken-scale))   translate(2%, 0); }
}
@keyframes kb-pan-u {
  from { transform: scale(var(--ken-scale))   translate(0, 2%); }
  to   { transform: scale(var(--ken-scale))   translate(0, -2%); }
}
@keyframes kb-pan-d {
  from { transform: scale(var(--ken-scale))   translate(0, -2%); }
  to   { transform: scale(var(--ken-scale))   translate(0, 2%); }
}

/* ─── Vignette ──────────────────────────────────────────────────── */
.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 80% at 50% 50%,
      transparent 40%,
      rgba(10, 5, 2, 0.55) 100%),
    linear-gradient(to bottom,
      rgba(10, 5, 2, 0.35) 0%,
      transparent 18%,
      transparent 72%,
      rgba(10, 5, 2, 0.65) 100%);
}

/* ─── Film Grain ────────────────────────────────────────────────── */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%; height: 200%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  animation: grain-shift 0.15s steps(1) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  10%  { transform: translate(-3%, -4%); }
  20%  { transform: translate(4%, 2%); }
  30%  { transform: translate(-2%, 5%); }
  40%  { transform: translate(5%, -3%); }
  50%  { transform: translate(-4%, 1%); }
  60%  { transform: translate(2%, -5%); }
  70%  { transform: translate(-5%, 3%); }
  80%  { transform: translate(3%, 4%); }
  90%  { transform: translate(-1%, -2%); }
  100% { transform: translate(4%, -4%); }
}

/* ─── UI Overlay ────────────────────────────────────────────────── */
.ui-overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3rem 4rem;
}

/* Title block — top left */
.title-block {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  animation: fade-in-down 2s ease forwards;
}

.eyebrow {
  font-family: 'Cinzel', serif;
  font-weight: 300;
  font-size: clamp(0.6rem, 1vw, 0.75rem);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.85;
}

.main-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.05;
  color: var(--cream);
  text-shadow: 0 2px 24px rgba(0,0,0,0.6);
}

.main-title em {
  font-style: italic;
  color: var(--gold-light);
}

/* Bottom bar */
.bottom-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  animation: fade-in-up 2s ease forwards;
}

.region-label {
  font-family: 'Cinzel', serif;
  font-weight: 300;
  font-size: clamp(0.55rem, 0.9vw, 0.7rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
  min-width: 160px;
  transition: opacity 0.6s ease;
}

.progress-wrap {
  flex: 1;
  height: 1px;
  background: rgba(200, 169, 110, 0.2);
  position: relative;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, var(--gold), var(--gold-light));
  transition: width 0.3s linear;
  box-shadow: 0 0 8px rgba(200, 169, 110, 0.5);
}

.slide-counter {
  font-family: 'Cinzel', serif;
  font-weight: 300;
  font-size: clamp(0.55rem, 0.9vw, 0.7rem);
  letter-spacing: 0.25em;
  color: var(--gold);
  opacity: 0.7;
  min-width: 60px;
  text-align: right;
}

/* ─── Controls ──────────────────────────────────────────────────── */
.controls {
  position: fixed;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

body:hover .controls,
body.show-controls .controls {
  opacity: 1;
  pointer-events: all;
}

.ctrl-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(200, 169, 110, 0.4);
  background: rgba(26, 15, 5, 0.55);
  backdrop-filter: blur(8px);
  color: var(--gold-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
}

.ctrl-btn svg {
  width: 16px; height: 16px;
}

.ctrl-btn:hover {
  background: rgba(200, 169, 110, 0.2);
  border-color: var(--gold);
  transform: scale(1.1);
}

.ctrl-btn:active {
  transform: scale(0.95);
}

/* ─── Custom cursor ─────────────────────────────────────────────── */
.cursor {
  position: fixed;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gold);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, width 0.2s ease, height 0.2s ease, opacity 0.2s ease;
  mix-blend-mode: screen;
}

.cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(200, 169, 110, 0.5);
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.18s ease, width 0.25s ease, height 0.25s ease, opacity 0.3s ease;
}

/* ─── Entrance animations ───────────────────────────────────────── */
@keyframes fade-in-down {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Region label transition ───────────────────────────────────── */
.region-label.changing {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ─── Responsive ────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .ui-overlay { padding: 2rem 1.8rem; }
  .main-title { font-size: 2rem; }
  .controls { bottom: 1.8rem; }
  .region-label { min-width: 100px; font-size: 0.55rem; }
}