/* FrankGrant Marketing — Global Styles */

:root {
  --teal: #0d9488;
  --teal-dark: #0f766e;
  --teal-light: #ccfbf1;
  --gold: #f59e0b;

  /* Light theme (default) */
  --bg: #ffffff;
  --bg-surface: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-heading: #0f172a;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px 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);
  --nav-bg: rgba(255,255,255,0.9);
  --hero-bg: #0f172a;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --bg-surface: #1e293b;
  --bg-card: #1e293b;
  --border: #334155;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-heading: #f8fafc;
  --shadow: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5);
  --nav-bg: rgba(15,23,42,0.92);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  transition: background-color 0.2s ease, color 0.2s ease;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease;
}

h1, h2, h3, h4, h5 {
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--text-heading);
  line-height: 1.2;
}

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 2px solid transparent;
  text-decoration: none;
  font-family: system-ui, -apple-system, sans-serif;
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal);
  color: white;
  border-color: var(--teal);
}
.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13,148,136,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.btn-outline:hover {
  background: var(--teal);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--bg-surface);
  text-decoration: none;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 17px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
}
.badge-teal {
  background: rgba(13,148,136,0.15);
  color: var(--teal);
  border: 1px solid rgba(13,148,136,0.3);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: box-shadow 0.2s ease;
}
.card:hover { box-shadow: var(--shadow-lg); }

.card-featured {
  border-color: var(--teal);
  box-shadow: 0 0 0 1px var(--teal);
}

/* Section spacing */
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 120px 0; }

.section-title {
  font-size: 40px;
  font-weight: 400;
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
}
.section-header {
  margin-bottom: 56px;
}
.section-header.centered {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Grid utilities */
.grid-2 { display: grid; grid-template-columns: 1fr 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; }

/* Divider */
.divider { height: 1px; background: var(--border); margin: 40px 0; }

/* Text utilities */
.text-teal { color: var(--teal); }
.text-muted { color: var(--text-muted); }
.text-gold { color: var(--gold); }
.text-center { text-align: center; }
.text-sm { font-size: 14px; }
.text-lg { font-size: 18px; }
.font-mono { font-family: ui-monospace, 'Cascadia Code', monospace; }

/* Animate on scroll */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .section-title { font-size: 32px; }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .section-title { font-size: 28px; }
  .btn-lg { padding: 14px 24px; font-size: 15px; }
  .container { padding: 0 16px; }
}