:root {
  --ink: #182025;
  --paper: #f7f4ed;
  --soft: #ece7da;
  --white: #fffaf2;
  --green: #1f4f3f;
  --blue: #265f80;
  --red: #b94f38;
  --yellow: #e5b94f;
  --slate: #2f3d48;
  --muted: #66717a;
  --line: rgba(24, 32, 37, 0.15);
  --shadow: 0 18px 45px rgba(24, 32, 37, 0.16);
  font-family: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}

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

a {
  color: inherit;
}

.prototype-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 62px;
  padding: 12px 5vw;
  background: rgba(255, 250, 242, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.prototype-nav strong {
  font-size: 0.94rem;
}

.prototype-nav div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prototype-nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.6);
}

.prototype-nav a[aria-current="page"] {
  background: var(--ink);
  color: white;
}

.hero {
  position: relative;
  min-height: 84vh;
  display: grid;
  align-items: end;
  padding: 84px 5vw 48px;
  color: white;
  isolation: isolate;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: var(--hero-image);
  background-position: center;
  background-size: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.74));
}

.hero-copy {
  width: min(900px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4.7rem;
  line-height: 0.98;
}

h2 {
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.5rem;
  line-height: 1.08;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

p {
  line-height: 1.62;
}

.hero-copy p {
  max-width: 660px;
  font-size: 1.15rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  background: var(--red);
  color: white;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.42);
  color: white;
}

.band {
  padding: 78px 5vw;
}

.band.white {
  background: var(--white);
}

.band.dark {
  background: var(--ink);
  color: white;
}

.band.green {
  background: var(--green);
  color: white;
}

.wrap {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 44px;
  align-items: start;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.metric {
  border-left: 4px solid currentColor;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.16);
}

.metric b {
  display: block;
  font-size: 1.3rem;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}

.photo-grid figure {
  margin: 0;
  min-height: 250px;
  border-radius: 8px;
  overflow: hidden;
  background: #ddd;
}

.photo-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.span-7 {
  grid-column: span 7;
}

.span-5 {
  grid-column: span 5;
}

.span-4 {
  grid-column: span 4;
}

.span-3 {
  grid-column: span 3;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.fact,
.panel,
.lead-form,
.detail,
.listing-card,
.spec-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.fact,
.panel,
.detail,
.listing-card {
  padding: 18px;
}

.fact b {
  display: block;
  margin-bottom: 6px;
  font-size: 1.2rem;
}

.lead-form {
  padding: 22px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.lead-form label {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  font-weight: 700;
  font-size: 0.9rem;
}

.lead-form input,
.lead-form textarea,
.lead-form select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  background: white;
}

.lead-form textarea {
  min-height: 110px;
  resize: vertical;
}

.form-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.form-status {
  min-height: 24px;
  margin-top: 12px;
  font-weight: 800;
  color: var(--green);
}

.checklist {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.checklist li {
  padding-left: 26px;
  position: relative;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--yellow);
}

.source-list {
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.mockup-index {
  min-height: 100vh;
  background: #f2f0e7;
}

.mockup-index main {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 74px 5vw;
}

.concepts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.concept {
  display: grid;
  gap: 12px;
  min-height: 360px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  text-decoration: none;
}

.concept img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
}

.concept span {
  color: var(--muted);
}

.editorial .hero {
  --hero-image: url("../assets/photos/exterior-hero.jpg");
}

.editorial .pull {
  max-width: 760px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  line-height: 1.22;
}

.editorial .route {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 34px;
  align-items: center;
}

.editorial .route img {
  width: 100%;
  border-radius: 8px;
}

.dossier {
  background: #f6f7f3;
}

.dossier .hero {
  --hero-image: url("../assets/photos/interior-galley.jpg");
  min-height: 76vh;
}

.dossier .spec-board {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
}

.spec-table {
  display: grid;
  gap: 8px;
}

.spec-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  padding: 12px 14px;
  background: white;
}

.spec-row span:first-child {
  color: var(--muted);
}

.floorplan {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.floorplan img {
  width: 100%;
  border-radius: 4px;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.evidence-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
}

.listing {
  background: #f3f5f6;
}

.listing .top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  padding: 28px 5vw 60px;
  width: min(1240px, 100%);
  margin: 0 auto;
}

.listing h1 {
  color: var(--ink);
  font-size: 3rem;
}

.listing .gallery-main {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 10px;
}

.listing .gallery-main img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  border-radius: 8px;
}

.listing .thumb-column {
  display: grid;
  gap: 10px;
}

.listing aside {
  position: sticky;
  top: 86px;
  align-self: start;
}

.listing .quick-specs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0;
}

.listing-card {
  background: white;
}

.disclosure {
  border-left: 5px solid var(--red);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.mini-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
}

@media (max-width: 900px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2rem;
  }

  .split,
  .editorial .route,
  .dossier .spec-board,
  .listing .top,
  .listing .gallery-main {
    grid-template-columns: 1fr;
  }

  .metrics,
  .facts,
  .concepts,
  .evidence-grid,
  .listing .quick-specs,
  .mini-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .listing aside {
    position: static;
  }

  .span-7,
  .span-5,
  .span-4,
  .span-3 {
    grid-column: span 6;
  }
}

@media (max-width: 620px) {
  .prototype-nav {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: 82vh;
    padding-top: 48px;
  }

  h1 {
    font-size: 2.45rem;
  }

  .band {
    padding: 52px 5vw;
  }

  .metrics,
  .facts,
  .concepts,
  .evidence-grid,
  .listing .quick-specs,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  .photo-grid {
    grid-template-columns: 1fr;
  }

  .span-7,
  .span-5,
  .span-4,
  .span-3 {
    grid-column: auto;
  }
}