/* ============================================================
   REALTY DATA LABS — BASE CSS
   Global reset, design tokens, utilities
   All other CSS files depend on these variables.
   ============================================================ */

/* ============================================================
   GOOGLE FONTS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

/* ============================================================
   CSS DESIGN TOKENS
   ============================================================ */
:root {
  /* Backgrounds */
  --bg-primary:   #0A0A0F;
  --bg-secondary: #12121A;
  --bg-card:      #1A1A2E;

  /* Accents */
  --accent-blue:  #2D5BE3;
  --accent-teal:  #00D4AA;

  /* Text */
  --text-primary:   #FFFFFF;
  --text-secondary: #A0A0B0;

  /* Borders */
  --border-color: #2A2A3A;

  /* Gradient */
  --gradient: linear-gradient(135deg, #2D5BE3 0%, #00D4AA 100%);

  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --size-hero:  2.5rem;
  --size-h1:    2rem;
  --size-h2:    1.5rem;
  --size-h3:    1.25rem;
  --size-body:  1rem;
  --size-small: 0.875rem;
  --size-tiny:  0.75rem;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  48px;
  --space-2xl: 80px;

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-card:  0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 32px rgba(45, 91, 227, 0.15);

  /* Transitions */
  --transition: all 0.3s ease;

  /* Header height — used for body padding offset */
  --header-h: 64px;
  --ticker-h: 40px;
}

/* ============================================================
   FULL RESET
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: var(--size-body);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  /* Offset for fixed header + ticker */
  padding-top: calc(var(--header-h) + var(--ticker-h));
  overflow-x: hidden;
}

/* ============================================================
   SCROLLBAR — DARK MINIMAL
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-teal);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) var(--bg-secondary);
}

/* ============================================================
   TEXT SELECTION
   ============================================================ */
::selection {
  background: rgba(0, 212, 170, 0.25);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(0, 212, 170, 0.25);
  color: var(--text-primary);
}

/* ============================================================
   BASE ELEMENTS
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-main);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
}

h1 { font-size: var(--size-h1); }
h2 { font-size: var(--size-h2); }
h3 { font-size: var(--size-h3); }

p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-teal);
}

ul, ol {
  list-style: none;
}

img,
video,
canvas,
iframe {
  max-width: 100%;
  display: block;
}

img {
  height: auto;
}

button,
input,
select,
textarea {
  font-family: var(--font-main);
  font-size: var(--size-body);
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */

/* Centered content wrapper */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Grid utilities */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Flex utilities */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   TEXT UTILITIES
   ============================================================ */
.text-teal      { color: var(--accent-teal) !important; }
.text-blue      { color: var(--accent-blue) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-center    { text-align: center; }
.text-small     { font-size: var(--size-small); }
.text-tiny      { font-size: var(--size-tiny); }
.font-mono      { font-family: var(--font-mono); }
.font-bold      { font-weight: 700; }

/* ============================================================
   BADGE — SMALL PILL LABEL
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--size-tiny);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* Category color variants */
.badge-market     { background: rgba(45, 91, 227, 0.2);  color: #6B8EF0; }
.badge-mortgage   { background: rgba(0, 212, 170, 0.2);  color: #00D4AA; }
.badge-economic   { background: rgba(245, 158, 11, 0.2); color: #F59E0B; }
.badge-investment { background: rgba(16, 185, 129, 0.2); color: #10B981; }
.badge-industry   { background: rgba(139, 92, 246, 0.2); color: #8B5CF6; }
.badge-regional   { background: rgba(239, 68, 68, 0.2);  color: #EF4444; }

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border-color);
  margin: var(--space-xl) 0;
  border: none;
}

/* ============================================================
   SECTION HEADER — TITLE WITH LEFT TEAL ACCENT LINE
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  gap: var(--space-md);
}

.section-header h2 {
  position: relative;
  padding-left: 14px;
  font-size: var(--size-h2);
}

.section-header h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 100%;
  background: var(--gradient);
  border-radius: var(--radius-full);
}

.section-header .view-all {
  font-size: var(--size-small);
  color: var(--accent-teal);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.section-header .view-all:hover {
  gap: 8px;
}

.section-header .view-all::after {
  content: '→';
}

/* ============================================================
   BUTTONS
   ============================================================ */

/* Primary — blue gradient fill */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--gradient);
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--size-small);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.btn-primary:hover {
  color: var(--text-primary);
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(45, 91, 227, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Outline — teal border */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 28px;
  background: transparent;
  color: var(--accent-teal);
  font-weight: 600;
  font-size: var(--size-small);
  border-radius: var(--radius-md);
  border: 1px solid var(--accent-teal);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.btn-outline:hover {
  color: var(--bg-primary);
  background: var(--accent-teal);
}

/* ============================================================
   GLASSMORPHISM CARD
   ============================================================ */
.glassmorphism {
  background: rgba(26, 26, 46, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.glassmorphism:hover {
  border-color: rgba(45, 91, 227, 0.5);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

/* ============================================================
   FADE-IN ANIMATION
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

/* Applied by JS observer when element enters viewport */
.fade-in.visible {
  opacity: 1;
  animation: none;
}

/* Stagger delays for children */
.fade-in:nth-child(1) { animation-delay: 0.0s; }
.fade-in:nth-child(2) { animation-delay: 0.1s; }
.fade-in:nth-child(3) { animation-delay: 0.2s; }
.fade-in:nth-child(4) { animation-delay: 0.3s; }

/* ============================================================
   SKELETON LOADING ANIMATION
   ============================================================ */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    rgba(255, 255, 255, 0.05) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ============================================================
   SECTION SPACING
   ============================================================ */
.section {
  padding: var(--space-xl) 0;
}

.section-lg {
  padding: var(--space-2xl) 0;
}

/* ============================================================
   PAGE HERO (shared across category/legal pages)
   ============================================================ */
.page-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-xl);
}

.page-hero h1 {
  font-size: var(--size-hero);
  margin-bottom: 12px;
}

.page-hero p {
  font-size: var(--size-body);
  color: var(--text-secondary);
  max-width: 680px;
}

/* ============================================================
   RESPONSIVE GRID FALLBACKS
   (full mobile rules are in mobile.css)
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 16px;
  }
}