:root {
  --color-lime: #f6f1e7;
  --color-lime-dim: #e8e0cf;
  --color-basalt: #100e0c;
  --color-basalt-soft: #1c1916;
  --color-ink: #f6f1e7;
  --color-ink-muted: rgba(246, 241, 231, 0.72);
  --color-amber: #c9793d;
  --color-amber-bright: #e3924f;
  --font-serif: "Fraunces", "Georgia", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --demo-bar-height: 34px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-basalt);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

/* Demo disclosure bar */
.demo-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  min-height: var(--demo-bar-height);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  row-gap: 2px;
  column-gap: 6px;
  background: rgba(16, 14, 12, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(246, 241, 231, 0.12);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  z-index: 500;
  padding: 8px 16px;
  text-align: center;
  line-height: 1.4;
}

.demo-bar strong {
  color: var(--color-amber-bright);
  font-weight: 600;
}

/* Persistent scrim so the header stays legible over any section background */
.header-scrim {
  position: fixed;
  top: var(--demo-bar-height);
  left: 0;
  right: 0;
  height: 140px;
  z-index: 390;
  background: linear-gradient(to bottom, rgba(10, 9, 8, 0.55), rgba(10, 9, 8, 0));
  pointer-events: none;
}

/* Site header / nav */
.site-header {
  position: fixed;
  top: var(--demo-bar-height);
  left: 0;
  right: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(20px, 4vw, 48px);
  pointer-events: none;
}

.site-header a,
.site-header button {
  pointer-events: auto;
}

.wordmark {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--color-ink);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.45);
}

.wordmark span {
  color: var(--color-amber-bright);
}

.nav-cta {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink);
  background: rgba(246, 241, 231, 0.1);
  border: 1px solid rgba(246, 241, 231, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 11px 20px;
  border-radius: 999px;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.nav-cta:hover {
  background: var(--color-amber);
  border-color: var(--color-amber);
  color: var(--color-basalt);
}

/* Tour UI: index counter + progress bar */
.tour-index {
  position: fixed;
  top: calc(var(--demo-bar-height) + 84px);
  right: clamp(20px, 4vw, 48px);
  z-index: 350;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
  opacity: 1;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}

.tour-index .current {
  color: var(--color-ink);
  font-size: 0.95rem;
  font-family: var(--font-serif);
  font-style: italic;
}

.scene-dots {
  position: fixed;
  top: calc(var(--demo-bar-height) + 116px);
  right: clamp(20px, 4vw, 48px);
  z-index: 350;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 1;
  transition: opacity 0.5s var(--ease);
}

.scene-dots.tour-ui-hidden {
  opacity: 0;
  pointer-events: none;
}

.scene-dot {
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scene-dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(246, 241, 231, 0.4);
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.scene-dot:hover::before {
  background: rgba(246, 241, 231, 0.75);
}

.scene-dot[aria-current="true"]::before {
  background: var(--color-amber-bright);
  transform: scale(1.4);
}

.scene-dot:focus-visible {
  outline: 2px solid var(--color-amber-bright);
  outline-offset: 2px;
  border-radius: 999px;
}

.tour-progress {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: rgba(246, 241, 231, 0.15);
  z-index: 350;
  opacity: 1;
  transition: opacity 0.5s var(--ease);
}

.tour-progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-amber), var(--color-amber-bright));
  transition: width 0.15s linear;
}

.tour-ui-hidden {
  opacity: 0;
}

/* Scenes */
.scenes {
  position: relative;
}

.scene {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.scene:nth-of-type(1) { z-index: 1; }
.scene:nth-of-type(2) { z-index: 2; }
.scene:nth-of-type(3) { z-index: 3; }
.scene:nth-of-type(4) { z-index: 4; }
.scene:nth-of-type(5) { z-index: 5; }

.scene__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.scene__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
  will-change: transform;
}

.scene__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(10, 9, 8, 0.85) 0%, rgba(10, 9, 8, 0.25) 42%, rgba(10, 9, 8, 0.05) 62%, rgba(10, 9, 8, 0.35) 100%);
}

.scene__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 clamp(20px, 5vw, 64px) clamp(56px, 9vh, 96px);
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}

.scene.in-view .scene__content {
  opacity: 1;
  transform: translateY(0);
}

.scene__eyebrow {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-amber-bright);
  margin-bottom: 18px;
  font-weight: 600;
}

.scene__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 6vw, 4.4rem);
  line-height: 1.06;
  margin: 0 0 28px;
  max-width: 16ch;
  letter-spacing: -0.01em;
}

.scene__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 40px;
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(246, 241, 231, 0.25);
  max-width: 640px;
}

.scene__specs li {
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--color-ink-muted);
}

.scene__specs b {
  color: var(--color-ink);
  font-weight: 600;
  letter-spacing: 0.08em;
}

/* Closing / fact sheet section */
.closing {
  position: relative;
  z-index: 50;
  background: var(--color-lime);
  color: var(--color-basalt);
}

.closing .container {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) clamp(20px, 5vw, 48px) 0;
}

.closing__eyebrow {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-amber);
  font-weight: 600;
  margin-bottom: 18px;
}

.closing__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 18ch;
}

.closing__lede {
  font-size: 1.05rem;
  line-height: 1.65;
  color: rgba(16, 14, 12, 0.72);
  max-width: 56ch;
  margin: 0 0 56px;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 32px 24px;
  list-style: none;
  margin: 0 0 72px;
  padding: 40px 0;
  border-top: 1px solid rgba(16, 14, 12, 0.15);
  border-bottom: 1px solid rgba(16, 14, 12, 0.15);
}

.fact-grid dt {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(16, 14, 12, 0.7);
  margin-bottom: 8px;
}

.fact-grid dd {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.3rem;
}

/* Contact / viewing request */
.contact {
  background: var(--color-basalt-soft);
  color: var(--color-ink);
  position: relative;
  z-index: 50;
}

.contact .container {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) clamp(20px, 5vw, 48px);
}

.contact__eyebrow {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-amber-bright);
  font-weight: 600;
  margin-bottom: 18px;
}

.contact__title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  margin: 0 0 16px;
  max-width: 18ch;
}

.contact__lede {
  color: var(--color-ink-muted);
  max-width: 54ch;
  margin: 0 0 48px;
  line-height: 1.6;
}

.viewing-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 20px;
}

.viewing-form .field-full {
  grid-column: 1 / -1;
}

.viewing-form label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: 8px;
}

.viewing-form input,
.viewing-form select,
.viewing-form textarea {
  width: 100%;
  background: rgba(246, 241, 231, 0.06);
  border: 1px solid rgba(246, 241, 231, 0.22);
  border-radius: 6px;
  padding: 13px 14px;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 0.92rem;
}

.viewing-form input::placeholder,
.viewing-form textarea::placeholder {
  color: rgba(246, 241, 231, 0.55);
}

.viewing-form input:focus,
.viewing-form select:focus,
.viewing-form textarea:focus {
  outline: none;
  border-color: var(--color-amber-bright);
}

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

.field-error {
  display: block;
  min-height: 0;
  margin-top: 6px;
  font-size: 0.76rem;
  line-height: 1.4;
  color: #ff8a7a;
}

.field.has-error input {
  border-color: #ff8a7a;
}

.form-submit {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 8px;
}

.btn-primary {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-basalt);
  background: var(--color-amber-bright);
  border: none;
  padding: 15px 30px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.btn-primary:hover {
  background: var(--color-lime);
  transform: translateY(-1px);
}

.form-note {
  font-size: 0.78rem;
  color: rgba(246, 241, 231, 0.5);
}

.form-status {
  margin-top: 20px;
  font-size: 0.92rem;
  color: var(--color-amber-bright);
  display: none;
}

.form-status.is-visible {
  display: block;
}

.pending-flag {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(246, 241, 231, 0.14);
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(246, 241, 231, 0.62);
}

/* Footer */
.site-footer {
  background: var(--color-basalt);
  color: rgba(246, 241, 231, 0.5);
  position: relative;
  z-index: 50;
  border-top: 1px solid rgba(246, 241, 231, 0.1);
}

.site-footer .container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px clamp(20px, 5vw, 48px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  font-size: 0.76rem;
  line-height: 1.6;
}

.site-footer a {
  color: var(--color-amber-bright);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .scene__media img {
    transform: none !important;
  }

  .scene__content {
    transition: none;
  }
}

/* Mobile adjustments */
@media (max-width: 640px) {
  :root {
    --demo-bar-height: 54px;
  }

  .viewing-form {
    grid-template-columns: 1fr;
  }

  .scene__content {
    padding-bottom: 48px;
  }

  .scene__specs {
    flex-direction: column;
    gap: 8px;
  }

  .tour-index {
    top: calc(var(--demo-bar-height) + 74px);
  }

  .scene-dots {
    top: calc(var(--demo-bar-height) + 106px);
  }

  .demo-bar__text {
    flex-basis: 100%;
  }

  .site-header {
    padding: 16px 20px;
  }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 0.72rem;
    padding: 0 16px;
  }

  .wordmark {
    font-size: 1rem;
  }
}