/* ==========================================================================
   ARTISAN WOODCRAFT SYSTEM — MULTI-PAGE WEB PORTAL STYLESHEET
   Supports: PC (>=1024px), Tablet (768px-1023px), Mobile (<768px)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette - Design Specs */
  --color-primary: #442a22;
  --color-primary-hover: #331f19;
  --color-primary-container: #5d4037;
  --color-on-primary: #ffffff;
  
  --color-secondary: #655d5a;
  --color-secondary-container: #ece0dc;
  --color-on-secondary-container: #4c4542;
  
  --color-surface: #f4faff;
  --color-surface-container: #e3f0f8;
  --color-surface-container-low: #e9f6fd;
  --color-surface-bright: #ffffff;
  --color-on-surface: #111d23;
  --color-on-surface-variant: #504441;
  
  --color-outline: #827470;
  --color-outline-variant: #d4c3be;
  
  --color-accent-gold: #c5a059;

  /* Cad Blueprint / Technical Theme Colors */
  --cad-bg: #0f172a;
  --cad-grid: rgba(56, 189, 248, 0.12);
  --cad-line: #38bdf8;
  --cad-text: #e2e8f0;

  /* Typography */
  --font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Radii & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-subtle: 0 4px 20px rgba(17, 29, 35, 0.05);
  --shadow-medium: 0 8px 30px rgba(17, 29, 35, 0.09);
  --shadow-floating: 0 12px 40px rgba(68, 42, 34, 0.15);

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 48px;
  --spacing-xxl: 80px;

  --container-max-width: 1280px;
  --header-height-desktop: 80px;
  --header-height-mobile: 64px;
  --bottom-bar-height-mobile: 64px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-on-surface);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 2.5vw + 1rem, 2.25rem); }
h3 { font-size: clamp(1.2rem, 1.5vw + 1rem, 1.45rem); }

p { color: var(--color-on-surface-variant); font-size: 1rem; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: 0 4px 14px rgba(68, 42, 34, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(68, 42, 34, 0.3);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-container);
  color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(68, 42, 34, 0.15);
}

.btn-accent {
  background-color: var(--color-accent-gold);
  color: #ffffff;
}

.btn-accent:hover { 
  background-color: #b38e46; 
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 160, 89, 0.3);
}

/* Header & Multi-Page Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(244, 250, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-outline-variant);
  height: var(--header-height-desktop);
  display: flex;
  align-items: center;
}

.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-primary);
  letter-spacing: -0.03em;
}

.brand-logo svg { width: 32px; height: 32px; fill: currentColor; }
.brand-logo span.highlight { color: var(--color-on-surface); font-weight: 400; }

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-on-surface);
  position: relative;
  padding: 8px 0;
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active { color: var(--color-primary); }

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.25s ease;
}

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

.header-contacts {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-phone {
  display: flex;
  flex-direction: column;
  text-align: right;
}

.phone-number { font-weight: 700; font-size: 1rem; color: var(--color-primary); }
.phone-label { font-size: 0.75rem; color: var(--color-secondary); }

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-on-surface);
}

/* Mobile Slide-Over Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--color-surface-bright);
  z-index: 1000;
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  padding: var(--spacing-lg);
}

.mobile-drawer.open { right: 0; }

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(17, 29, 35, 0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.drawer-backdrop.active { opacity: 1; visibility: visible; }

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-outline-variant);
}

.drawer-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--color-on-surface); }

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.mobile-nav-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-on-surface);
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-surface-container);
}

/* Floating Bottom Bar for Mobile (<768px) */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: var(--bottom-bar-height-mobile);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-outline-variant);
  z-index: 900;
  grid-template-columns: repeat(3, 1fr);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

.bottom-bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--color-secondary);
  font-size: 0.72rem;
  font-weight: 600;
}

.bottom-bar-item svg { width: 20px; height: 20px; }
.bottom-bar-item.active { color: var(--color-primary); }

/* Page Header / Breadcrumb Hero */
.page-hero {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-container-low) 100%);
  border-bottom: 1px solid var(--color-outline-variant);
}

.page-hero-title { margin-bottom: var(--spacing-xs); }
.page-hero-subtitle { font-size: 1.1rem; max-width: 680px; }

/* Sections General */
.section { padding: var(--spacing-xxl) 0; }

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--spacing-xl);
}

.section-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

/* CAD Blueprint 3D Visual Configurator Styles */
.configurator-grid {
  display: grid; align-items: start;
  grid-template-columns: 2fr 1.2fr;
  gap: var(--spacing-xl);
  background-color: var(--color-surface-bright);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.configurator-preview { display: flex; flex-direction: column; gap: 16px; 
  padding: var(--spacing-xl);

  background-image: 
    linear-gradient(var(--cad-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--cad-grid) 1px, transparent 1px);
  background-size: 20px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 480px;
}

.configurator-canvas-wrapper { background: var(--cad-bg); border-radius: 8px;
  width: 100%;
  max-width: 500px;
  height: 360px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cad-badge {
  position: absolute;
  background-color: rgba(56, 189, 248, 0.15);
  border: 1px solid var(--cad-line);
  color: var(--cad-line);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-family: monospace;
}

.cad-width { top: 10px; left: 50%; transform: translateX(-50%); }
.cad-height { left: 10px; top: 50%; transform: translateY(-50%) rotate(-90deg); }

.configurator-controls { 
  padding: var(--spacing-xl);
  background-color: var(--color-surface-bright);
  border-left: 1px solid var(--color-outline-variant);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.control-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-on-surface);
  display: flex;
  justify-content: space-between;
}

.option-grid {
  display: grid; align-items: start;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.option-btn {
  padding: 10px 8px;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  position: relative;
}

.option-btn.active, .option-btn:hover {
  border-color: var(--color-primary);
  background-color: var(--color-secondary-container);
  color: var(--color-primary);
}

/* Mini Hover Tooltips on Color Buttons */
.finish-option-btn[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 115%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-on-surface);
  color: #ffffff;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 50;
  box-shadow: var(--shadow-medium);
}

.finish-option-btn[data-tooltip]:hover::before {
  opacity: 1;
  visibility: visible;
}

.range-slider-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.range-slider-wrapper input[type="range"] {
  flex: 1;
  accent-color: var(--color-primary);
  height: 6px;
  cursor: pointer;
}

.value-display {
  font-weight: 700;
  color: var(--color-primary);
  min-width: 60px;
  text-align: right;
  font-size: 0.9rem;
}

/* PDF Action Buttons Bar */
.pdf-actions-bar {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.pdf-actions-bar .btn {
  flex: 1;
  font-size: 0.85rem;
  padding: 10px 12px;
}

/* Material Catalog Page Styles */
.material-banner-disclaimer {
  background-color: #fff8e6;
  border: 1px solid #ffe599;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.disclaimer-icon {
  width: 32px;
  height: 32px;
  color: #b45309;
  flex-shrink: 0;
}

.materials-catalog-grid {
  display: grid; align-items: start;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.material-item-card {
  background-color: var(--color-surface-bright);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.material-item-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: var(--color-primary);
}

.material-item-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-outline-variant);
}

.material-thumb-circle {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background-position: center;
  background-size: cover;
  border: 2px solid #ffffff;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

.material-item-body {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.material-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* Portfolio Gateway & Category Pages */
.category-gateway-grid {
  display: grid; align-items: start;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.category-card {
  background-color: var(--color-surface-bright);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-medium);
}

.category-thumb {
  height: 280px;
  overflow: hidden;
}

.category-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.category-card:hover .category-thumb img { transform: scale(1.06); }

.category-content {
  padding: var(--spacing-lg);
}

/* Multi-Angle Project Detail View */
.project-detail-hero {
  display: grid; align-items: start;
  grid-template-columns: 2fr 1.2fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.main-showcase-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-outline-variant);
  box-shadow: var(--shadow-medium);
}

.main-showcase-frame img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.project-specs-card {
  background-color: var(--color-surface-bright);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.specs-list li {
  display: flex;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-surface-container);
  font-size: 0.92rem;
}

.specs-list li span.label { font-weight: 600; color: var(--color-secondary); }
.specs-list li span.val { font-weight: 700; color: var(--color-on-surface); }

.multi-angle-grid {
  display: grid; align-items: start;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.angle-card {
  background-color: var(--color-surface-bright);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
}

.angle-thumb {
  height: 240px;
  overflow: hidden;
}

.angle-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.angle-caption {
  padding: var(--spacing-md);
  font-weight: 700;
  font-size: 0.95rem;
}

/* O nas & Timeline Styles */
.about-hero-grid {
  display: grid; align-items: start;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.timeline-cards-grid {
  display: grid; align-items: start;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.timeline-card {
  background-color: var(--color-surface-bright);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
  padding: var(--spacing-xl);
  position: relative;
}

.timeline-badge {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-secondary-container);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
}

/* Form Contact Layout */
.contact-grid {
  display: grid; align-items: start;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-form {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-on-surface);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-outline-variant);
  background-color: var(--color-surface-bright);
  color: var(--color-on-surface);
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(68, 42, 34, 0.1);
}

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

.direct-contacts-below-form {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-outline-variant);
  display: grid; align-items: start;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.direct-contact-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-outline-variant);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.direct-contact-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-secondary-container);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

/* Toast */
.toast-notification {
  position: fixed;
  bottom: 80px;
  right: 24px;
  background-color: var(--color-on-surface);
  color: #ffffff;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-floating);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.show { transform: translateY(0); opacity: 1; }

/* Footer */
.site-footer {
  background-color: var(--color-on-surface);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

  flex-direction: column;
  gap: 10px;
}

.specs-list li {
  display: flex;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-surface-container);
  font-size: 0.92rem;
}

.specs-list li span.label { font-weight: 600; color: var(--color-secondary); }
.specs-list li span.val { font-weight: 700; color: var(--color-on-surface); }

.multi-angle-grid {
  display: grid; align-items: start;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.angle-card {
  background-color: var(--color-surface-bright);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
}

.angle-thumb {
  height: 240px;
  overflow: hidden;
}

.angle-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.angle-caption {
  padding: var(--spacing-md);
  font-weight: 700;
  font-size: 0.95rem;
}

/* O nas & Timeline Styles */
.about-hero-grid {
  display: grid; align-items: start;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.timeline-cards-grid {
  display: grid; align-items: start;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.timeline-card {
  background-color: var(--color-surface-bright);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
  padding: var(--spacing-xl);
  position: relative;
}

.timeline-badge {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-secondary-container);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
}

/* Form Contact Layout */
.contact-grid {
  display: grid; align-items: start;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-form {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-on-surface);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-outline-variant);
  background-color: var(--color-surface-bright);
  color: var(--color-on-surface);
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(68, 42, 34, 0.1);
}

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

.direct-contacts-below-form {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-outline-variant);
  display: grid; align-items: start;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.direct-contact-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-outline-variant);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.direct-contact-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-secondary-container);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

/* Toast */
.toast-notification {
  position: fixed;
  bottom: 80px;
  right: 24px;
  background-color: var(--color-on-surface);
  color: #ffffff;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-floating);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.show { transform: translateY(0); opacity: 1; }

/* Footer */
.site-footer {
  background-color: var(--color-on-surface);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

@media (min-width: 768px) and (max-width: 1023.98px) {
  .configurator-grid { grid-template-columns: 2fr 1.2fr; }
  .configurator-controls {  border-left: none; border-bottom: 1px solid var(--color-outline-variant); }
  .category-gateway-grid, .materials-catalog-grid, .timeline-cards-grid, .multi-angle-grid { grid-template-columns: repeat(2, 1fr); }
  .project-detail-hero, .about-hero-grid, .contact-grid { grid-template-columns: 2fr 1.2fr; }
}

@media (max-width: 767.98px) {
  .desktop-nav { display: none !important; }
  .nav-links { display: none !important; }
  .header-contacts { display: none !important; }
  .mobile-menu-toggle { display: block !important; cursor: pointer; }
  .pdf-actions-bar { flex-direction: column; }
  .mobile-bottom-bar { display: flex !important; align-items: center; justify-content: center; padding: 0 16px; box-sizing: border-box; z-index: 1000; }
  html, body { overflow-x: hidden; width: 100%; }
  .hero-section { padding: 32px 16px; width: 100%; box-sizing: border-box; overflow-x: hidden; }
  .hero-content { width: 100%; max-width: 100%; padding: 0; box-sizing: border-box; text-align: center; display: flex; flex-direction: column; align-items: center; }
  .hero-title { font-size: 1.8rem; word-break: break-word; line-height: 1.25; }
  .hero-subtitle { font-size: 0.95rem; width: 100%; box-sizing: border-box; margin: 0 auto 20px auto; padding: 0 4px; line-height: 1.5; }
  .hero-actions { flex-direction: column; width: 100%; max-width: 320px; gap: 12px; }
  .hero-actions .btn { width: 100%; justify-content: center; text-align: center; }
  .trust-stats { flex-direction: column; align-items: center; width: 100%; gap: 16px !important; margin-top: 24px !important; padding-top: 16px !important; }
  .stat-item { width: 100%; text-align: center; }
  .configurator-grid { grid-template-columns: 1fr; width: 100%; max-width: 100vw; overflow-x: hidden; box-sizing: border-box; }
  .configurator-preview { display: flex; flex-direction: column; gap: 10px; padding: 10px; width: 100%; box-sizing: border-box; align-items: center; }
  .configurator-canvas-wrapper { width: 100%; max-width: 320px; height: 240px; margin: 0 auto; overflow: hidden; }
  .option-grid { grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .option-btn { padding: 6px 4px; font-size: 0.75rem; }
  .configurator-controls { padding: 10px; border-left: none; border-top: 1px solid var(--color-outline-variant); width: 100%; box-sizing: border-box; }
  .form-select { padding: 6px; font-size: 0.75rem; min-width: 0; width: 100%; text-overflow: ellipsis; overflow: hidden; }
  .control-group > div[style*="flex"] { flex-direction: column !important; gap: 8px !important; }
  .control-group > div[style*="flex"] > div { width: 100%; min-width: 0; }
  
  .category-gateway-grid, .materials-catalog-grid, .timeline-cards-grid, .multi-angle-grid, .contact-grid, .about-hero-grid, .project-detail-hero, .direct-contacts-below-form { grid-template-columns: 1fr; }
}

/* User Alignment Tweaks */
.trust-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 30px;
  border-top: 1px solid var(--color-outline-variant);
  padding-top: 20px;
}
.stat-item { text-align: center; }
.page-hero { text-align: center; }
.page-hero .container { display: flex; flex-direction: column; align-items: center; }
.page-hero-subtitle { margin: 0 auto; }
.hero-content { text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero-subtitle { margin-left: auto; margin-right: auto; }
.section-header { text-align: center; display: flex; flex-direction: column; align-items: center; }