:root {
  --bg-canvas: #12332b;
  --bg-surface: #1b4035;
  --bg-surface-hover: #235043;
  --text-primary: #e0f2e8;
  --text-muted: #9ec0ae;
  --accent-primary: #ff6f59;
  --accent-secondary: #d99b52;
  --border-subtle: #2c5e4f;
  --radius: 4px;
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 12px 32px -4px rgba(0, 0, 0, 0.35);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  line-height: 1.7;
  font-size: 16px;
  overflow-wrap: anywhere;
  hyphens: auto;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.25s var(--ease-kinetic);
}

a:hover {
  color: var(--accent-primary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  object-fit: cover;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.prose {
  max-width: 70ch;
}

/* Header: Non-sticky, left-aligned brand above navigation row */
.site-header {
  position: relative;
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.25rem 0 0.75rem;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.brand-mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  background-color: var(--accent-primary);
  border-radius: 2px;
}

.menu-toggle {
  display: none;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 0.35rem 0.75rem;
  font-size: 1.25rem;
  cursor: pointer;
}

.nav-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  list-style: none;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(224, 242, 232, 0.08);
}

.nav-row a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.25rem 0;
  position: relative;
}

.nav-row a:hover,
.nav-row a[aria-current="page"] {
  color: var(--text-primary);
}

.nav-row a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background-color: var(--accent-primary);
}

/* Buttons & Links */
.btn-primary {
  display: inline-block;
  background-color: var(--accent-primary);
  color: #12332b;
  font-weight: 700;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease-kinetic), box-shadow 0.25s var(--ease-kinetic);
}

.btn-primary:hover {
  color: #12332b;
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevation);
}

.link-secondary {
  display: inline-block;
  color: var(--text-primary);
  font-weight: 600;
  position: relative;
  padding-bottom: 2px;
}

.link-secondary::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30%;
  height: 2px;
  background-color: var(--accent-primary);
  transition: width 0.3s var(--ease-kinetic);
}

.link-secondary:hover {
  color: var(--accent-primary);
}

.link-secondary:hover::after {
  width: 100%;
}

/* Hero Section */
.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

h1 {
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1.2;
  margin-bottom: 1.1rem;
  color: var(--text-primary);
}

h2 {
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.3;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
}

h3 {
  font-size: 1.2rem;
  line-height: 1.35;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

p {
  margin-bottom: 1.1rem;
  color: var(--text-primary);
}

.text-muted {
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.hero-media {
  position: relative;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-elevation);
}

/* Vertical Working Line Layout (Timeline / Pathway) */
.working-line {
  position: relative;
  padding: 3rem 0 3rem 2.75rem;
  margin-left: 1rem;
  border-left: 1px solid var(--accent-primary);
}

.line-node {
  position: relative;
  margin-bottom: 3.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.3s var(--ease-kinetic), box-shadow 0.3s var(--ease-kinetic);
}

.line-node:last-child {
  margin-bottom: 0;
}

.line-node:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevation);
}

.node-badge {
  position: absolute;
  left: -3.95rem;
  top: 1.5rem;
  width: 2.3rem;
  height: 2.3rem;
  background-color: var(--accent-primary);
  color: #12332b;
  font-weight: 700;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
}

/* Cards with Coral Labels Crossing Image Edge */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin-top: 1.5rem;
}

.cottage-card {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease-kinetic), box-shadow 0.3s var(--ease-kinetic);
}

.cottage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevation);
}

.card-image-wrap {
  position: relative;
  margin-bottom: 1rem;
}

.card-image-wrap img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 0;
}

.edge-label {
  position: absolute;
  left: 1rem;
  bottom: -0.75rem;
  background-color: var(--accent-primary);
  color: #12332b;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius);
}

.card-body {
  padding: 0.5rem 1.25rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Expandable Shelving Notes */
.expandable-group {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

details.shelf-note {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 0.9rem 1.2rem;
}

details.shelf-note summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

details.shelf-note summary::after {
  content: "+";
  color: var(--accent-primary);
  font-size: 1.2rem;
  font-weight: 700;
}

details.shelf-note[open] summary::after {
  content: "−";
}

details.shelf-note .note-content {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* Material Pros & Cons Rows & Tables */
.table-wrap {
  overflow-x: auto;
  margin-top: 1.25rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
}

table.material-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-canvas);
  text-align: left;
}

.material-table th,
.material-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

.material-table th {
  background-color: var(--bg-surface-hover);
  color: var(--accent-primary);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Budget Tier Panels (Without Invented Costs) */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.tier-panel {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--accent-primary);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.tier-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

/* Page Sections & Split Content */
.section-block {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
  margin-top: 1.5rem;
}

.checklist {
  list-style: none;
  margin: 1rem 0;
}

.checklist li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.6rem;
}

.checklist li::before {
  content: "▪";
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* Contact Room-Planning Note Tool */
.planning-form {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.form-row {
  margin-bottom: 1.15rem;
}

.form-row label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.4rem;
  font-size: 0.92rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 0.65rem 0.85rem;
  font-family: inherit;
  font-size: 0.95rem;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--accent-primary);
  border-color: transparent;
}

.note-preview {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.25rem;
  white-space: pre-wrap;
  font-family: monospace;
  font-size: 0.88rem;
  color: var(--text-muted);
  min-height: 220px;
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  align-items: center;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-kinetic), transform 0.6s var(--ease-kinetic);
}

.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 2rem;
  margin-top: 3rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-split,
  .split-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: inline-block;
  }
  .nav-row {
    display: none;
    flex-direction: column;
    gap: 0.65rem;
    padding: 1rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    margin-top: 0.5rem;
  }
  .nav-row.nav-open {
    display: flex;
  }
  .working-line {
    padding-left: 1.75rem;
    margin-left: 0.5rem;
  }
  .node-badge {
    left: -2.85rem;
    width: 2rem;
    height: 2rem;
    font-size: 0.8rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  .line-node {
    padding: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}