/* ==========================================================================
   PermitAndLabor.com — Master Architectural Design System (2026)
   Theme: Precision Blueprint & Burnished Copper / Steel Architecture
   100% Unique Aesthetics | High-DPI Data Density & Fluid Micro-Interactions
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700;800&family=Outfit:wght@400;600;700;800;900&display=swap');

:root {
  /* Blueprint & Copper Core Tokens */
  --blueprint-950: #060913;
  --blueprint-900: #0B1120;
  --blueprint-850: #0F172A;
  --blueprint-800: #1E293B;
  --blueprint-700: #334155;
  --blueprint-600: #475569;
  
  --cobalt-500: #2563EB;
  --cobalt-400: #3B82F6;
  --cobalt-300: #60A5FA;
  --cobalt-glow: rgba(37, 99, 235, 0.35);

  --copper-500: #D97706;
  --copper-400: #F59E0B;
  --copper-600: #B45309;
  --copper-accent: #EA580C;
  --copper-glow: rgba(217, 119, 6, 0.3);

  --teal-accent: #0D9488;
  --teal-glow: rgba(13, 148, 136, 0.25);

  --emerald-success: #10B981;
  --rose-danger: #F43F5E;
  --amber-warning: #F59E0B;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions & Shadows */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
}

/* Dark Theme (Default: Precision Obsidian Blueprint) */
[data-theme="dark"] {
  --bg-canvas: #070B14;
  --bg-surface: #0E1526;
  --bg-surface-elevated: #162038;
  --bg-surface-hover: #1E2D4E;
  --bg-glass: rgba(14, 21, 38, 0.85);

  --border-subtle: rgba(96, 165, 250, 0.12);
  --border-medium: rgba(96, 165, 250, 0.24);
  --border-strong: rgba(96, 165, 250, 0.45);

  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  --accent-primary: var(--cobalt-400);
  --accent-secondary: var(--copper-400);
  --accent-gradient: linear-gradient(135deg, #3B82F6 0%, #2563EB 50%, #1D4ED8 100%);
  --copper-gradient: linear-gradient(135deg, #F59E0B 0%, #D97706 50%, #B45309 100%);
  --brand-gradient: linear-gradient(135deg, #3B82F6 0%, #06B6D4 100%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.65);
  --shadow-glow: 0 0 28px rgba(37, 99, 235, 0.25);
  --shadow-copper-glow: 0 0 24px rgba(217, 119, 6, 0.25);

  --grid-pattern: radial-gradient(rgba(59, 130, 246, 0.1) 1px, transparent 1px);
}

/* Light Theme (Crisp Architectural Drafting Vellum) */
[data-theme="light"] {
  --bg-canvas: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-surface-hover: #E2E8F0;
  --bg-glass: rgba(255, 255, 255, 0.92);

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.16);
  --border-strong: rgba(37, 99, 235, 0.35);

  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-dim: #94A3B8;

  --accent-primary: #1D4ED8;
  --accent-secondary: #B45309;
  --accent-gradient: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  --copper-gradient: linear-gradient(135deg, #D97706 0%, #B45309 100%);
  --brand-gradient: linear-gradient(135deg, #2563EB 0%, #0284C7 100%);

  --shadow-sm: 0 1px 4px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);
  --shadow-copper-glow: 0 0 18px rgba(217, 119, 6, 0.15);

  --grid-pattern: radial-gradient(rgba(37, 99, 235, 0.08) 1px, transparent 1px);
}

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

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: var(--grid-pattern);
  background-size: 28px 28px;
  position: relative;
  overflow-x: hidden;
}

/* Blueprint Glow Header Effect */
.glow-backdrop {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: 480px;
  background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.18) 0%, rgba(217, 119, 6, 0.08) 45%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--cobalt-300);
}

/* Header & Navbar */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 72px;
  flex-wrap: nowrap;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
  min-width: 200px;
}

.brand-emblem {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  white-space: nowrap;
}

.brand-title span {
  color: var(--copper-400);
}

.brand-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  justify-content: center;
  flex: 1;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  padding: 6px 9px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-shrink: 0;
  min-width: 220px;
  margin-left: 18px;
  padding-left: 18px;
  border-left: 1px solid var(--border-subtle);
}

.btn-nav-cta {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .brand-badge {
    display: none;
  }
  .brand-wrapper {
    min-width: auto;
  }
  .nav-actions {
    min-width: auto;
    margin-left: 10px;
    padding-left: 12px;
  }
  .nav-link {
    font-size: 12.5px;
    padding: 5px 6px;
  }
  .btn-nav-cta {
    padding: 7px 11px;
    font-size: 12px;
  }
}

@media (max-width: 920px) {
  .nav-menu {
    display: none;
  }
  .nav-actions {
    border-left: none;
    padding-left: 0;
    margin-left: auto;
  }
}

/* Theme Toggle Button */
.theme-switch-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.theme-switch-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

/* Standard Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 16px var(--cobalt-glow);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.45);
  color: #FFFFFF;
}

.btn-copper {
  background: var(--copper-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 16px var(--copper-glow);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-copper:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(217, 119, 6, 0.45);
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

/* Badges & Telemetry Pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.pill-cobalt {
  background: rgba(37, 99, 235, 0.15);
  color: var(--cobalt-300);
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.pill-copper {
  background: rgba(217, 119, 6, 0.15);
  color: var(--copper-400);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.pill-emerald {
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-success);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

/* Surface Cards & Architectural Boxes */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-elevated {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
}

.card-blueprint {
  background: linear-gradient(145deg, var(--bg-surface) 0%, rgba(37, 99, 235, 0.06) 100%);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

/* Estimator Rig Control Inputs */
.rig-input, .rig-select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  transition: all var(--transition-fast);
  outline: none;
}

.rig-input:focus, .rig-select:focus {
  border-color: var(--cobalt-400);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

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

.control-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.data-table th {
  background: var(--bg-surface-elevated);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-medium);
}

.data-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--bg-surface-hover);
}

/* Modal Overlay & Box */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 540px;
  padding: 28px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: scale(0.95);
  transition: all var(--transition-normal);
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

/* Footer */
footer {
  margin-top: auto;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 32px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 13.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 13.5px;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 12.5px;
  color: var(--text-muted);
}

/* Responsive Breakpoints */
@media (max-width: 1120px) {
  .nav-menu {
    gap: 2px;
  }
  .nav-link {
    font-size: 12.5px;
    padding: 5px 7px;
  }
  .brand-badge {
    display: none;
  }
}

@media (max-width: 960px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .nav-menu {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .header-inner {
    height: 64px;
  }
}

/* ==========================================================================
   100/10 SEO & E-E-A-T High Authority Layout Elements
   ========================================================================== */
.quick-facts-box {
  background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(217,119,6,0.06) 100%);
  border: 1px solid var(--border-medium);
  border-left: 5px solid var(--copper-400);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.quick-facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.quick-fact-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.quick-fact-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

.quick-fact-val {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
}

.eeat-author-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-sm);
}

.eeat-author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
  border: 2px solid var(--copper-400);
}

.state-calc-widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 28px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.state-calc-widget::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cobalt-500), var(--copper-400));
}

.data-table-modern {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px 0;
  font-size: 13.5px;
}

.data-table-modern th {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  font-weight: 700;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid var(--border-medium);
}

.data-table-modern td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.data-table-modern tr:hover td {
  background: var(--bg-surface-hover);
}