/* ===== Forbes Property Network - Base Styles ===== */

/* CSS Custom Properties */
:root {
  /* Brand Colors */
  --navy: #1a365d;
  --navy-dark: #0f2440;
  --navy-light: #2a4a7f;
  --gold: #c6a84b;
  --gold-light: #d4bc6a;
  --gold-dark: #a88d3a;
  --white: #ffffff;
  --off-white: #f8f7f4;
  --light-gray: #f1f0ed;
  --medium-gray: #e2e0db;
  --dark-gray: #6b7280;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-light: #8a8a8a;
  --success: #059669;
  --error: #dc2626;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Sizing */
  --max-width: 1280px;
  --max-width-narrow: 960px;
  --nav-height: 80px;
  --nav-height-scrolled: 64px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-gold: 0 4px 14px rgba(198, 168, 75, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  color: var(--navy);
}

/* ===== Typography ===== */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-gold { color: var(--gold); }
.text-navy { color: var(--navy); }
.text-white { color: var(--white); }

/* ===== Layout Utilities ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-4xl) 0;
}

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

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-md);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  font-weight: 400;
}

.gold-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  margin: var(--space-md) auto;
  border-radius: 2px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(198, 168, 75, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--navy);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
}

.btn-navy:hover {
  background: var(--navy-dark);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background: transparent;
  color: var(--gold);
  border: 2px solid var(--gold);
}

.btn-outline-gold:hover {
  background: var(--gold);
  color: var(--white);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
}

/* ===== Image Placeholders ===== */
.img-placeholder {
  background: linear-gradient(135deg, var(--light-gray), var(--medium-gray));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-gray);
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
}

.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(0,0,0,0.02) 10px,
    rgba(0,0,0,0.02) 20px
  );
}

.img-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

/* ===== Grid Layouts ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }
}

/* ===== Visibility Helpers ===== */
.desktop-only {
  display: block;
}
.mobile-only {
  display: none;
}

@media (max-width: 768px) {
  .desktop-only { display: none; }
  .mobile-only { display: block; }

  .section { padding: var(--space-2xl) 0; }
  .container { padding: 0 1rem; }
  :root { --nav-height: 64px; }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--off-white);
}
::-webkit-scrollbar-thumb {
  background: var(--navy-light);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--navy);
}

/* ===== Selection ===== */
::selection {
  background: var(--gold);
  color: var(--white);
}

/* ===== Body offset for fixed nav ===== */
body {
  padding-top: var(--nav-height);
}