/* Mike Potter Bespoke Joinery - Design Tokens and Stylesheet */
:root {
  --color-charred-oak: #1A1714;
  --color-natural-oak: #B9834E;
  --color-oak-hover: #cfa06d;
  --color-limewash: #F2EEE6;
  --color-limewash-muted: #e5dfd3;
  --color-iron: #2D3030;
  --color-iron-light: #444747;
  --color-plum: #6D3B72;
  --color-plum-hover: #86498c;
  --color-surface-dark: #12100e;
  --color-surface-card: #221e1a;
  --color-border: #35302b;
  --color-border-light: #4a443d;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Open Sans', system-ui, -apple-system, sans-serif;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --transition-smooth: 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

html {
  font-size: 16px;
  line-height: 1.6;
  font-family: var(--font-body);
  color: var(--color-limewash);
  background-color: var(--color-charred-oak);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-charred-oak);
  overflow-x: hidden;
}

a {
  color: var(--color-limewash);
  text-decoration: none;
  transition: color var(--transition-smooth);
}

a:hover {
  color: var(--color-natural-oak);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-natural-oak);
  outline-offset: 3px;
}

h1, h2, h3, h4, .font-serif {
  font-family: var(--font-display);
  font-weight: normal;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  color: var(--color-limewash-muted);
  max-width: 68ch;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(26, 23, 20, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-limewash);
  font-weight: 500;
}

.brand-sub {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-natural-oak);
  margin-top: 0.2rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-limewash);
  padding: 0.3rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-natural-oak);
  transition: width var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-natural-oak);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-limewash);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 380px;
  background-color: var(--color-charred-oak);
  border-left: 1px solid var(--color-border);
  z-index: 100;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer-close-btn {
  align-self: flex-end;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-limewash);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  margin-bottom: 2rem;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.drawer-link {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-limewash);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.drawer-link.active {
  color: var(--color-natural-oak);
  border-color: var(--color-natural-oak);
}

.drawer-contact-snippet {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.88rem;
  color: var(--color-limewash-muted);
}

/* Common Container & Sections */
.main-content {
  flex: 1;
}

.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem 1.5rem;
}

/* Button & Action styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-natural-oak);
  color: var(--color-charred-oak);
  border: 1px solid var(--color-natural-oak);
}

.btn-primary:hover {
  background-color: var(--color-oak-hover);
  border-color: var(--color-oak-hover);
  color: var(--color-charred-oak);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-limewash);
  border: 1px solid var(--color-border-light);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--color-natural-oak);
  color: var(--color-natural-oak);
}

/* Hero Section */
.hero-section {
  position: relative;
  background-color: var(--color-surface-dark);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(88vh - 80px);
}

.hero-text-col {
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-natural-oak);
  margin-bottom: 1.2rem;
  font-weight: 600;
}

.hero-heading {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  color: var(--color-limewash);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero-lead {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--color-limewash-muted);
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.hero-media-col {
  position: relative;
  min-height: 400px;
  background-color: #12100e;
  border-left: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}

.hero-media-caption {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background-color: rgba(26, 23, 20, 0.88);
  border: 1px solid var(--color-border);
  padding: 0.6rem 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-limewash);
  backdrop-filter: blur(4px);
}

/* Value / Heritage Facts Strip */
.heritage-strip {
  background-color: var(--color-surface-card);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 1.5rem;
}

.heritage-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
}

.heritage-item {
  border-left: 2px solid var(--color-natural-oak);
  padding-left: 1.5rem;
}

.heritage-stat {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-natural-oak);
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.heritage-title {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-limewash);
  margin-bottom: 0.5rem;
}

.heritage-desc {
  font-size: 0.88rem;
  color: var(--color-limewash-muted);
}

/* Feature Sections */
.section-block {
  padding: 5rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-natural-oak);
  margin-bottom: 0.8rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  color: var(--color-limewash);
  margin-bottom: 1rem;
}

/* Staircase Types Architecture Grid */
.stair-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.stair-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color var(--transition-smooth);
}

.stair-card:hover {
  border-color: var(--color-natural-oak);
}

.stair-card-index {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-natural-oak);
  margin-bottom: 1rem;
  opacity: 0.9;
}

.stair-card-name {
  font-size: 1.25rem;
  font-family: var(--font-display);
  color: var(--color-limewash);
  margin-bottom: 0.8rem;
}

.stair-card-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-limewash-muted);
  margin-bottom: 1.5rem;
}

/* Gallery Archive Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.8rem;
}

.gallery-item-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.gallery-item-card:hover {
  border-color: var(--color-natural-oak);
  transform: translateY(-2px);
}

.gallery-thumbnail-wrap {
  aspect-ratio: 4 / 3;
  width: 100%;
  overflow: hidden;
  background-color: #0d0c0a;
  position: relative;
}

.gallery-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
  display: block;
}

.gallery-item-card:hover .gallery-thumbnail {
  transform: scale(1.02);
}

.gallery-item-meta {
  padding: 1.2rem 1.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-card);
}

.gallery-item-title {
  font-size: 0.92rem;
  font-family: var(--font-display);
  color: var(--color-limewash);
}

.gallery-item-action {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-natural-oak);
}

/* Fullscreen Gallery Viewer */
.gallery-viewer {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 16, 14, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.gallery-viewer.active {
  opacity: 1;
  pointer-events: auto;
}

.viewer-header {
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
}

.viewer-counter {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-natural-oak);
  letter-spacing: 0.05em;
}

.viewer-title-info {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-limewash-muted);
}

.viewer-close-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-limewash);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition-smooth);
}

.viewer-close-btn:hover {
  border-color: var(--color-natural-oak);
  color: var(--color-natural-oak);
}

.viewer-body {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow: hidden;
  user-select: none;
  touch-action: pan-y; /* Allows vertical scrolling, touch swipe horizontal handled */
}

.viewer-image-container {
  max-width: 90vw;
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.viewer-image {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  transition: opacity 180ms ease, transform 180ms ease;
}

.viewer-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(26, 23, 20, 0.8);
  border: 1px solid var(--color-border);
  color: var(--color-limewash);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-smooth);
  z-index: 10;
}

.viewer-nav-btn:hover {
  background-color: var(--color-natural-oak);
  color: var(--color-charred-oak);
  border-color: var(--color-natural-oak);
}

.viewer-prev-btn {
  left: 2rem;
}

.viewer-next-btn {
  right: 2rem;
}

.viewer-footer {
  padding: 1.2rem 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--color-limewash-muted);
}

.viewer-keys-hint {
  display: flex;
  gap: 1rem;
}

.key-badge {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.75rem;
  color: var(--color-limewash);
}

/* Contact Page Styles */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 2rem;
}

.contact-facts-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2.5rem;
}

.fact-group {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.fact-group:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.fact-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-natural-oak);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.fact-value {
  font-size: 1.05rem;
  color: var(--color-limewash);
  line-height: 1.5;
}

.fact-link {
  color: var(--color-limewash);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.fact-link:hover {
  color: var(--color-natural-oak);
}

.hours-table {
  width: 100%;
  margin-top: 0.5rem;
  border-collapse: collapse;
}

.hours-table td {
  padding: 0.35rem 0;
  font-size: 0.9rem;
  color: var(--color-limewash-muted);
}

.hours-table td:last-child {
  text-align: right;
  color: var(--color-limewash);
}

/* Contact Form Box */
.contact-form-box {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-limewash);
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background-color: var(--color-surface-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-limewash);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--color-natural-oak);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-boundary-notice {
  background-color: rgba(185, 131, 78, 0.08);
  border-left: 3px solid var(--color-natural-oak);
  padding: 1rem 1.2rem;
  margin-bottom: 1.8rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-limewash-muted);
}

.form-boundary-notice strong {
  color: var(--color-natural-oak);
}

/* Direct Action Buttons on Mobile */
.direct-actions-bar {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background-color: var(--color-surface-dark);
  border-top: 1px solid var(--color-border);
  padding: 4rem 1.5rem 2.5rem 1.5rem;
  margin-top: auto;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--color-limewash-muted);
  margin-top: 1rem;
  max-width: 42ch;
}

.footer-heading {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-natural-oak);
  margin-bottom: 1.2rem;
  font-weight: 600;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.88rem;
  color: var(--color-limewash-muted);
}

.footer-link:hover {
  color: var(--color-limewash);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-limewash-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Self-check diagnostic banner (runtime self-check) */
.diagnostic-banner {
  background-color: #1a221f;
  border: 1px solid #2e4a3d;
  color: #a3e6c3;
  padding: 0.75rem 1.5rem;
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.diagnostic-status-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-right: 1.2rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #48bb78;
}

/* Media Queries for Viewports (375px, 390px, 768px, desktop) */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-media-col {
    min-height: 480px;
    border-left: none;
    border-top: 1px solid var(--color-border);
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
  }
  .nav-toggle-btn {
    display: inline-flex;
  }
  .hero-text-col {
    padding: 3rem 1.5rem;
  }
  .hero-media-col {
    min-height: 360px;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .viewer-nav-btn {
    width: 40px;
    height: 40px;
  }
  .viewer-prev-btn {
    left: 1rem;
  }
  .viewer-next-btn {
    right: 1rem;
  }
  .viewer-keys-hint {
    display: none;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 1rem;
  }
  .brand-title {
    font-size: 1.15rem;
  }
  .brand-sub {
    font-size: 0.65rem;
  }
  .hero-text-col {
    padding: 2.2rem 1rem;
  }
  .hero-heading {
    font-size: 2.1rem;
  }
  .hero-media-col {
    min-height: 280px;
  }
  .page-container {
    padding: 2rem 1rem 3.5rem 1rem;
  }
  .stair-card, .contact-facts-card, .contact-form-box {
    padding: 1.5rem;
  }
  .btn {
    width: 100%;
  }
  .hero-actions {
    flex-direction: column;
  }
  .direct-actions-bar .btn {
    width: 100%;
  }
}