:root {
  color-scheme: light;
  --bg: #f3eee6;
  --bg-deep: #e7ddd0;
  --surface: rgba(255, 252, 247, 0.74);
  --surface-strong: rgba(255, 252, 247, 0.9);
  --text: #2f2a24;
  --muted: #73685d;
  --line: rgba(80, 68, 58, 0.12);
  --accent: #9d8164;
  --accent-soft: rgba(157, 129, 100, 0.2);
  --shadow: 0 20px 50px rgba(56, 41, 27, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --content-width: min(1320px, calc(100vw - 32px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.88), transparent 38%),
    radial-gradient(circle at 80% 12%, rgba(236, 223, 205, 0.9), transparent 28%),
    linear-gradient(180deg, #f7f2ea 0%, var(--bg) 38%, #efe7dc 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, sans-serif;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.8), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.46), rgba(255, 255, 255, 0));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(52, 34, 20, 0.05) 0.5px, transparent 0.5px);
  background-size: 3px 3px;
  opacity: 0.25;
  mix-blend-mode: multiply;
}

img {
  display: block;
  max-width: 100%;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  width: var(--content-width);
  margin: 0 auto;
  padding: 30px 0 36px;
}

.masthead {
  padding: 28px 4px 24px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.masthead h1 {
  margin: 0;
  color: var(--text);
  font-family: "Iowan Old Style", "Baskerville", "Palatino Linotype", Georgia, serif;
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.subtitle {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.content {
  padding-top: 10px;
}

.viewer {
  position: relative;
  padding: 0;
}

.viewer-topline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  padding: 0 4px;
}

.room-meta {
  min-width: 0;
}

.room-counter {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.room-name {
  margin: 0;
  font-family: "Iowan Old Style", "Baskerville", "Palatino Linotype", Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.room-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-button {
  min-width: 148px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 13px 18px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.nav-button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.76);
  border-color: rgba(80, 68, 58, 0.18);
  box-shadow: 0 12px 28px rgba(74, 56, 36, 0.09);
}

.nav-button:active {
  transform: translateY(0);
}

.nav-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.viewer-body {
  display: grid;
  gap: 18px;
}

.room-description {
  margin: 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.comparison-card {
  position: relative;
  border: 1px solid rgba(80, 68, 58, 0.1);
  border-radius: var(--radius-xl);
  padding: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.comparison-stage {
  position: relative;
}

.comparison-media {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius-xl) - 12px);
  aspect-ratio: var(--comparison-aspect, 4 / 3);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(238, 229, 217, 0.92));
  touch-action: pan-y;
}

.comparison-card.is-transitioning .comparison-media {
  opacity: 0.45;
  transform: scale(0.994);
}

.comparison-media {
  --comparison-reveal: 50%;
  --comparison-aspect: 4 / 3;
}

.comparison-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}

.comparison-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  overflow: hidden;
  box-shadow: -10px 0 24px rgba(45, 31, 19, 0.12);
  clip-path: inset(0 0 0 calc(100% - var(--comparison-reveal)));
  will-change: clip-path;
}

.comparison-label {
  position: absolute;
  top: 20px;
  z-index: 3;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(47, 42, 36, 0.18);
  backdrop-filter: blur(10px);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.comparison-label--before {
  left: 20px;
}

.comparison-label--proposed {
  right: 20px;
}

.comparison-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--comparison-reveal);
  z-index: 2;
  width: 1px;
  transform: translateX(-1px);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.95) 18%,
    rgba(255, 255, 255, 0.95) 82%,
    rgba(255, 255, 255, 0)
  );
}

.comparison-handle {
  position: absolute;
  z-index: 4;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.7)),
    rgba(104, 82, 59, 0.16);
  box-shadow:
    0 8px 18px rgba(31, 21, 12, 0.16),
    0 0 0 6px rgba(255, 255, 255, 0.08);
  cursor: ew-resize;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.comparison-stage:focus-within .comparison-handle {
  box-shadow:
    0 8px 18px rgba(31, 21, 12, 0.16),
    0 0 0 6px rgba(255, 255, 255, 0.12),
    0 0 0 2px rgba(157, 129, 100, 0.35);
}

.comparison-handle__chevrons {
  color: rgba(84, 68, 52, 0.78);
  font-size: 18px;
  line-height: 1;
  letter-spacing: -0.08em;
  transform: translateX(-1px);
  user-select: none;
}

.comparison-range {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  margin: 0;
  opacity: 0.01;
  pointer-events: none;
}

.comparison-range:focus-visible {
  outline: none;
}

@media (max-width: 900px) {
  .page-shell {
    width: min(100vw - 22px, 100%);
    padding-top: 18px;
  }

  .masthead {
    padding-top: 22px;
    padding-bottom: 18px;
  }

  .viewer-topline {
    align-items: start;
    flex-direction: column;
  }

  .room-controls {
    justify-content: flex-start;
  }

  .comparison-card {
    padding: 12px;
  }
}

@media (max-width: 640px) {
  .eyebrow {
    margin-bottom: 12px;
    font-size: 0.74rem;
  }

  .subtitle {
    letter-spacing: 0.14em;
  }

  .nav-button {
    min-width: 0;
    flex: 1 1 0;
    padding-inline: 14px;
  }

  .comparison-label {
    top: 14px;
    padding: 8px 11px;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
  }

  .comparison-label--before {
    left: 14px;
  }

  .comparison-label--proposed {
    right: 14px;
  }

  .comparison-handle {
    width: 34px;
    height: 34px;
  }

  .comparison-handle__chevrons {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}