/* =========================================
   VARIABLES & GLOBALS (Premium Developer Theme)
   ========================================= */
:root {
  /* Elegant Light Theme */
  --bg-body: #f1f5f9;      /* Soft light background */
  --bg-surface: #ffffff;   /* Pure white cards */
  --bg-surface-alt: #f8fafc; /* Even softer white for secondary cards */
  --bg-surface-dark: #0f172a; /* Deep slate for high contrast */
  
  --text-primary: #0f172a;
  --text-muted: #64748b;
  
  /* Typography from Church/Design reference */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout Constants */
  --nav-height: 80px;
  --container-w: 1280px;
  --radius-lg: 32px;
  --radius-md: 24px;
  --radius-sm: 12px;
  
  /* Animation */
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Links & Defaults */
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-smooth);
}
a:hover { color: var(--text-muted); }
ul { list-style: none; }
img { max-width: 100%; display: block; border-radius: var(--radius-sm); }

/* Typography Basics */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
}

/* Containers */
.container {
  width: 90%;
  max-width: var(--container-w);
  margin: 0 auto;
}

/* =========================================
   NAVIGATION (Sleek glassmorphism)
   ========================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; width: 100%;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-smooth);
}

/* =========================================
   BUTTONS & BADGES
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  text-transform: capitalize;
  border-radius: 100px;
  transition: all var(--transition-smooth);
  cursor: pointer;
  text-align: center;
  border: none;
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-surface);
}

.btn-primary:hover {
  background-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
}

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

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: 1px solid rgba(0,0,0,0.1);
  background: var(--bg-body);
}

.badge.dark {
  background: var(--bg-surface-dark);
  color: white;
  border: none;
}

/* =========================================
   BENTO GRID LAYOUT
   ========================================= */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(100px, auto);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.bento-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), background-color var(--transition-smooth);
}

/* Modifier Classes */
.bento-card.dark {
  background-color: var(--bg-surface-dark);
  color: var(--bg-surface);
}

.image-card {
  padding: 0;
  overflow: hidden;
}

.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.image-card:hover img {
  transform: scale(1.05);
}

/* Column Utilities */
.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 8; }
.col-7 { grid-column: span 7; }
.col-6 { grid-column: span 6; }
.col-5 { grid-column: span 5; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }

/* =========================================
   INTERACTIVE HOVER CARDS (Pricing, Stack)
   ========================================= */
.interactive-card {
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.interactive-card h3,
.interactive-card .price-amount,
.interactive-card ul,
.interactive-card li,
.interactive-card i {
  transition: color var(--transition-smooth);
}

.interactive-card:hover {
  background-color: var(--bg-surface-dark) !important;
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.interactive-card:hover h3,
.interactive-card:hover .price-amount,
.interactive-card:hover ul,
.interactive-card:hover li,
.interactive-card:hover i {
  color: #ffffff !important;
}

.interactive-card:hover p{
  color: rgba(255,255,255,0.7) !important;
}

/* =========================================
   ANIMATION CLASSES 
   ========================================= */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================
   MEDIA QUERIES
   ========================================= */
@media (max-width: 1024px) {
  .col-8, .col-7, .col-6, .col-5, .col-4 {
    grid-column: span 12;
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .bento-card { padding: 2rem; }
}