/* Bluebonnet Growth - Main Stylesheet
   McKinney, Texas - Professional, approachable, growth-focused
   Color palette: blue, violet, indigo (no red/orange) */

:root {
  /* Brand colors */
  --color-indigo-900: #312e81;
  --color-indigo-800: #3730a3;
  --color-indigo-700: #4338ca;
  --color-indigo-600: #4f46e5;
  --color-indigo-500: #6366f1;
  --color-violet-600: #7c3aed;
  --color-violet-500: #8b5cf6;
  --color-blue-900: #1e3a8a;
  --color-blue-800: #1e40af;
  --color-blue-700: #1d4ed8;
  --color-blue-600: #2563eb;
  --color-blue-500: #3b82f6;
  --color-slate-50: #f8fafc;
  --color-slate-100: #f1f5f9;
  --color-slate-200: #e2e8f0;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;
  --color-white: #ffffff;
  
  /* Semantic */
  --color-primary: var(--color-indigo-600);
  --color-primary-hover: var(--color-indigo-700);
  --color-secondary: var(--color-violet-600);
  --color-accent: var(--color-blue-600);
  --color-text: var(--color-slate-800);
  --color-text-muted: var(--color-slate-600);
  --color-bg: var(--color-slate-50);
  --color-bg-alt: var(--color-white);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Libre Baskerville', Georgia, serif;
  
  /* Spacing & layout */
  --max-width: 1200px;
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  margin: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-indigo-600), var(--color-violet-600));
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-indigo-700), var(--color-violet-600));
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-indigo-600);
  border: 2px solid var(--color-indigo-500);
}

.btn-secondary:hover {
  background: var(--color-indigo-50, #eef2ff);
  border-color: var(--color-indigo-600);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-slate-200);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--color-slate-900);
}

.logo-img {
  height: 48px;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-indigo-800);
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  text-decoration: none;
  color: var(--color-slate-700);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: var(--color-indigo-600);
}

.nav-menu a:visited {
  color: var(--color-slate-700);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-slate-50) 0%, #eef2ff 50%, #e0e7ff 100%);
  padding: 4rem 1.5rem;
  text-align: center;
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: var(--color-indigo-100, #e0e7ff);
  color: var(--color-indigo-700);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero h1 {
  color: var(--color-slate-900);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Footer */
.site-footer {
  background: var(--color-slate-800);
  color: var(--color-slate-200);
  padding: 3rem 1.5rem 1.5rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer h3 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer a {
  color: var(--color-slate-300);
  text-decoration: none;
  transition: color 0.2s;
}

.footer a:visited {
  color: var(--color-slate-300);
}

.footer a:hover {
  color: var(--color-slate-100);
}

.footer-bottom {
  border-top: 1px solid var(--color-slate-600);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-slate-400);
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section spacing */
.section {
  padding: 4rem 0;
}

/* Cards */
.card {
  background: var(--color-bg-alt);
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.1);
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-slate-700);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-slate-200);
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-indigo-500);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Grid layouts */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 1rem;
    border-bottom: 1px solid var(--color-slate-200);
  }
}

/* Blog placeholder */
.blog-placeholder {
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
  border-radius: 0.75rem;
  padding: 3rem;
  text-align: center;
  border: 2px dashed var(--color-indigo-300);
}