/* DRAKO AI - Construction Lead Generation Platform Design System */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Primary Colors */
  --brand-orange: #FF6B35;
  --deep-navy: #1A2332;
  --slate-gray: #2D3748;
  
  /* Background Colors */
  --dark-bg: #0F1419;
  --card-bg: #1E2530;
  --subtle-bg: #252D3A;
  
  /* Accent Colors */
  --success-green: #10B981;
  --warning-yellow: #F59E0B;
  --danger-red: #EF4444;
  --info-blue: #3B82F6;
  
  /* Neutral Grays */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing (8px base unit) */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-24: 6rem;    /* 96px */
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

/* ===== GLOBAL STYLES ===== */
* {
  box-sizing: border-box;
}

html {
  font-family: var(--font-primary);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  background-color: var(--dark-bg);
  color: var(--gray-100);
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY SYSTEM ===== */
.text-hero {
  font-size: 3.5rem; /* 56px */
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.text-h1 {
  font-size: 2.25rem; /* 36px */
  font-weight: 700;
  line-height: 1.2;
}

.text-h2 {
  font-size: 1.875rem; /* 30px */
  font-weight: 600;
  line-height: 1.3;
}

.text-h3 {
  font-size: 1.5rem; /* 24px */
  font-weight: 600;
  line-height: 1.4;
}

.text-h4 {
  font-size: 1.25rem; /* 20px */
  font-weight: 500;
  line-height: 1.4;
}

.text-body-large {
  font-size: 1.125rem; /* 18px */
  line-height: 1.7;
}

.text-body {
  font-size: 1rem; /* 16px */
  line-height: 1.6;
}

.text-body-small {
  font-size: 0.875rem; /* 14px */
  line-height: 1.5;
}

.text-caption {
  font-size: 0.75rem; /* 12px */
  line-height: 1.4;
}

/* ===== COMPONENT LIBRARY ===== */

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--brand-orange);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 200ms ease;
  box-shadow: var(--shadow-lg);
  min-height: 44px;
  min-width: 44px;
}

.btn-primary:hover {
  background: #E55A2B;
  transform: translateY(-1px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--slate-gray);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 200ms ease;
  min-height: 44px;
  min-width: 44px;
}

.btn-secondary:hover {
  background: #374151;
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: transparent;
  color: var(--brand-orange);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--brand-orange);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 200ms ease;
  min-height: 44px;
  min-width: 44px;
}

.btn-ghost:hover {
  background: var(--brand-orange);
  color: white;
}

/* Cards */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all 300ms ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-elevated {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  transition: all 300ms ease;
}

.card-elevated:hover {
  box-shadow: var(--shadow-2xl);
  transform: translateY(-4px);
}

/* Status Badges */
.badge-hot {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: rgba(16, 185, 129, 0.2);
  color: var(--success-green);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-pending {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning-yellow);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-expired {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger-red);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Input Fields */
.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--card-bg);
  border: 1px solid var(--gray-600);
  border-radius: var(--radius-sm);
  color: var(--gray-100);
  font-size: 1rem;
  transition: all 200ms ease;
}

.input::placeholder {
  color: var(--gray-400);
}

.input:focus {
  outline: none;
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

/* Modal/Dialog */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-content {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 32rem;
  width: 100%;
  margin: var(--space-4);
  box-shadow: var(--shadow-2xl);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
  width: 100%;
  max-width: 80rem; /* 1280px */
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (min-width: 640px) {
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .sm\:flex-row {
    flex-direction: row;
  }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  
  .md\:grid-cols-6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.6s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.font-medium {
  font-weight: 500;
}

.rounded {
  border-radius: var(--radius-sm);
}

.rounded-lg {
  border-radius: var(--radius-md);
}

.rounded-xl {
  border-radius: var(--radius-lg);
}

.rounded-2xl {
  border-radius: var(--radius-xl);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.shadow-xl {
  box-shadow: var(--shadow-xl);
}

.transition {
  transition: all 200ms ease;
}

.transition-all {
  transition: all 300ms ease;
}

.hover\:scale-105:hover {
  transform: scale(1.05);
}

.hover\:-translate-y-1:hover {
  transform: translateY(-4px);
}

/* ===== CONSTRUCTION THEME SPECIFIC ===== */
.construction-pattern {
  background-image: 
    radial-gradient(circle at 25px 25px, rgba(255, 107, 53, 0.1) 2px, transparent 0),
    radial-gradient(circle at 75px 75px, rgba(255, 107, 53, 0.05) 1px, transparent 0);
  background-size: 100px 100px;
}

.gradient-brand {
  background: linear-gradient(135deg, var(--brand-orange) 0%, #E55A2B 100%);
}

.gradient-dark {
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--slate-gray) 100%);
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.focus\:not-sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: 0;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* ===== PRINT STYLES ===== */
@media print {
  .no-print {
    display: none !important;
  }
}