/* ==========================================================================
   Tom Young Architects - Replacement Website Styles
   Aesthetic: Honest, grounded, functional, and unpretentious British practice.
   Inspired by the original tomyoungarchitects.co.uk styling without modernist chic.
   ========================================================================== */

:root {
  --bg-page: #e8e9ec;
  --bg-sheet: #f7f8fa;
  --bg-header: #ffffff;
  --text-main: #222222;
  --text-muted: #555555;
  --border-color: #bbbbbb;
  --border-dark: #333333;
  --accent-yellow: #f5b700;
  --accent-yellow-light: #fff5cc;
  --link-color: #0b5394;
  --link-hover: #073763;
  --font-family: Verdana, Geneva, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --max-width: 980px;
}

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

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-main);
  background-color: var(--bg-page);
  padding: 16px 10px 40px;
}

/* Page Container wrapper with distinctive solid border */
#wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  background-color: var(--bg-sheet);
  border: 1px solid var(--border-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* --- Top Header --- */
#topbloc {
  background-color: #ffffff;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
}

.brand {
  font-size: 20px;
  letter-spacing: -0.3px;
  color: #111;
  text-decoration: none;
}

.brand strong {
  font-weight: 700;
}

.header-contact {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  align-items: center;
}

.header-contact a {
  color: inherit;
  text-decoration: none;
}

.header-contact a:hover {
  text-decoration: underline;
  color: var(--link-color);
}

.header-phone {
  font-weight: 600;
  color: #222;
}

/* --- Navigation Bar --- */
#navbloc {
  background-color: #eceff2;
  border-bottom: 2px solid var(--border-dark);
  padding: 0 10px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  margin: 0;
  padding: 6px 0 0;
  overflow-x: auto;
}

.nav-links li a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  text-transform: lowercase;
  color: #333333;
  text-decoration: none;
  background-color: #dce1e6;
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: 3px 3px 0 0;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-links li a:hover {
  background-color: #ffffff;
  color: #000000;
}

.nav-links li.active a {
  background-color: var(--bg-sheet);
  color: #000000;
  border-color: var(--border-dark);
  border-bottom: 1px solid var(--bg-sheet);
  margin-bottom: -2px;
  font-weight: 700;
  padding-bottom: 9px;
}

/* --- Content Layout --- */
.page-content {
  padding: 24px 28px 36px;
  min-height: 520px;
}

/* View Sections */
.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* --- Home Section --- */
.home-intro {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 22px 24px;
  margin-bottom: 28px;
  border-left: 4px solid var(--accent-yellow);
}

.home-intro h2 {
  font-size: 19px;
  margin-bottom: 12px;
  color: #111;
  font-weight: 700;
}

.home-intro p {
  margin-bottom: 12px;
  font-size: 14.5px;
  color: #333;
}

.home-intro p:last-child {
  margin-bottom: 0;
}

/* 4 Categories on Home */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.category-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 12px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  border-color: var(--border-dark);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.category-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid #ccc;
  margin-bottom: 10px;
}

.category-card .card-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #111;
  margin-bottom: 6px;
}

.category-card .card-count {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 8px;
}

.category-card .card-blurb {
  font-size: 12px;
  line-height: 1.4;
  color: #444;
  text-align: left;
  flex-grow: 1;
}

/* Home Highlights / Notice */
.home-subnote {
  background-color: #f0f3f6;
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  font-size: 13px;
  color: #444;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

/* --- Projects Section --- */
.category-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.cat-btn {
  background-color: #e5e8ed;
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 2px;
  font-family: inherit;
  transition: all 0.15s ease;
}

.cat-btn:hover {
  background-color: #ffffff;
  border-color: var(--border-dark);
}

.cat-btn.active {
  background-color: var(--accent-yellow);
  border-color: #997300;
  color: #000;
  font-weight: 700;
}

/* Main Projects Two-Column Explorer */
.projects-explorer {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: start;
}

/* Project Sidebar List */
.projects-sidebar {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  max-height: 720px;
  overflow-y: auto;
}

.sidebar-header {
  padding: 10px 14px;
  background-color: #e9ecef;
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #333;
}

.project-item-list {
  list-style: none;
}

.project-item {
  border-bottom: 1px solid #eeeeee;
}

.project-item:last-child {
  border-bottom: none;
}

.project-item-link {
  display: block;
  padding: 10px 14px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s ease;
}

.project-item-link:hover {
  background-color: #f7f9fb;
}

.project-item.active .project-item-link {
  background-color: var(--accent-yellow-light);
  border-left: 4px solid var(--accent-yellow);
  padding-left: 10px;
}

.item-title {
  font-size: 13.5px;
  font-weight: 700;
  color: #111;
  margin-bottom: 2px;
}

.item-meta {
  font-size: 11.5px;
  color: #666;
}

/* Main Display Canvas */
.project-display {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 24px;
  min-height: 480px;
}

.project-header {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid #e0e0e0;
}

.project-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: #111;
  margin-bottom: 8px;
}

.project-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12.5px;
  color: #444;
}

.project-badge {
  background-color: #f0f2f5;
  border: 1px solid #dcdcdc;
  padding: 3px 8px;
  border-radius: 2px;
}

.project-badge strong {
  color: #111;
}

/* Image Showcase */
.project-gallery {
  margin-bottom: 24px;
}

.gallery-main-image {
  background-color: #fbfbfb;
  border: 1px solid #cccccc;
  padding: 6px;
  text-align: center;
  margin-bottom: 8px;
}

.gallery-main-image img {
  max-width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: contain;
  display: inline-block;
  border: 1px solid #e0e0e0;
}

.gallery-main-caption {
  font-size: 12px;
  color: #555;
  font-style: italic;
  padding-top: 6px;
}

.gallery-thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.thumb-btn {
  background-color: #eceff2;
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  border-radius: 2px;
  transition: all 0.15s ease;
  color: #333;
}

.thumb-btn:hover {
  background-color: #ffffff;
  border-color: #888;
}

.thumb-btn.active {
  background-color: var(--accent-yellow);
  border-color: #997300;
  font-weight: 700;
  color: #000;
}

/* Markdown Rendered Content Area */
.markdown-body {
  font-size: 14.5px;
  line-height: 1.65;
  color: #2b2b2b;
  margin-bottom: 24px;
}

.markdown-body p {
  margin-bottom: 14px;
}

.markdown-body h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 18px 0 8px;
  color: #111;
  border-bottom: 1px solid #eee;
  padding-bottom: 4px;
}

.markdown-body blockquote {
  border-left: 3px solid var(--accent-yellow);
  padding-left: 12px;
  margin: 14px 0;
  font-style: italic;
  color: #444;
}

/* Report Download Card */
.report-card {
  background-color: #fcf8e3;
  border: 1px solid #faebcc;
  padding: 12px 16px;
  margin-top: 18px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.report-card a {
  font-weight: 700;
  color: #8a6d3b;
  text-decoration: underline;
}

.report-card a:hover {
  color: #66512c;
}

/* Markdown Source Viewer Box */
.markdown-source-toggle {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px dashed #cccccc;
  font-size: 12px;
  color: #666;
}

.toggle-link {
  color: var(--link-color);
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
}

.raw-markdown-container {
  display: none;
  margin-top: 10px;
  background-color: #f7f7f7;
  border: 1px solid #ddd;
  padding: 12px;
  font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 300px;
  overflow-y: auto;
}

/* --- About & Contact Pages --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 28px;
}

.about-text h2, .contact-text h2 {
  font-size: 20px;
  margin-bottom: 14px;
  color: #111;
  font-weight: 700;
}

.about-text p, .contact-text p {
  margin-bottom: 14px;
  font-size: 14.5px;
  color: #333;
}

.about-sidebar {
  text-align: center;
}

.about-sidebar img {
  width: 100%;
  max-width: 260px;
  border: 1px solid var(--border-color);
  padding: 4px;
  background: #fff;
  margin-bottom: 10px;
}

.about-caption {
  font-size: 12px;
  color: #666;
  font-style: italic;
}

.arb-badge {
  background-color: #f2f4f7;
  border: 1px solid #d0d4dc;
  padding: 12px 14px;
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.5;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.contact-details {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 20px;
}

.contact-details address {
  font-style: normal;
  margin-bottom: 14px;
  font-size: 14px;
  line-height: 1.6;
}

.contact-phone, .contact-email {
  margin-bottom: 10px;
  font-size: 14px;
}

.contact-form-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 20px;
}

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 4px;
  color: #333;
}

.form-control {
  width: 100%;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 13px;
  border: 1px solid #ccc;
  border-radius: 2px;
}

.form-control:focus {
  border-color: #222;
  outline: none;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.btn-submit {
  background-color: #333333;
  color: #ffffff;
  border: none;
  padding: 9px 22px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.15s ease;
}

.btn-submit:hover {
  background-color: #000000;
}

.btn-submit:disabled {
  background-color: #888888;
  cursor: not-allowed;
}

/* Form status alerts */
.form-alert {
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.5;
  border-radius: 2px;
}

.form-alert-success {
  background-color: #eaf5eb;
  border: 1px solid #7bc68a;
  color: #1f6b2f;
}

.form-alert-error {
  background-color: #fdf2f2;
  border: 1px solid #f0a2a2;
  color: #9c1c1c;
}

.form-alert-info {
  background-color: #f4f6fa;
  border: 1px solid #c8d3e6;
  color: #274574;
}

/* --- Footer --- */
#footer {
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 12px 20px;
  font-size: 12px;
  color: #666;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

/* --- Responsive Adjustments --- */
@media (max-width: 820px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-explorer {
    grid-template-columns: 1fr;
  }
  .projects-sidebar {
    max-height: 240px;
  }
  .about-grid, .contact-layout {
    grid-template-columns: 1fr;
  }
  .header-contact {
    font-size: 12px;
  }
  .page-content {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .category-grid {
    grid-template-columns: 1fr;
  }
  #topbloc {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links li a {
    padding: 6px 12px;
    font-size: 12px;
  }
}