/* ==========================================================================
   SATRIA PROPERTY DESIGN SYSTEM & CORE STYLES
   Modern, Clean, Premium, Trustworthy & Mobile-First
   ========================================================================== */

:root {
  /* Color Palette */
  --primary-color: #0F766E;        /* Deep Teal */
  --primary-hover: #115E59;
  --secondary-color: #134E4A;      /* Dark Emerald */
  --accent-color: #F59E0B;         /* Vibrant Amber */
  --accent-hover: #D97706;
  --bg-color: #F8FAFC;             /* Light Slate Background */
  --surface-color: #FFFFFF;        /* Pure White Surface */
  --text-main: #0F172A;            /* Charcoal Black Body */
  --text-muted: #64748B;           /* Cool Gray Muted Text */
  --border-color: #E2E8F0;         /* Soft Border */
  --border-light: #F1F5F9;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Mobile Specs */
  --bottom-nav-height: 68px;
  --mobile-header-height: 60px;
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);

  /* Typography */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  padding-bottom: calc(var(--bottom-nav-height) + var(--safe-area-bottom) + 16px);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  color: var(--primary-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

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

/* Layout Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
}

.main-content {
  flex: 1;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary-color); }
.text-accent { color: var(--accent-color); }

/* Flex & Grid Utilities */
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }

/* Grid Responsive System */
.grid {
  display: grid;
  gap: 16px;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 576px) {
  .grid-sm-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-sm-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 992px) {
  .grid-lg-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-lg-4 { grid-template-columns: repeat(4, 1fr); }
  body {
    padding-bottom: 0; /* Remove bottom nav padding on desktop */
  }
}