/*
 * Critical CSS - Above-the-fold styles
 * Blumenkind Daycare Website
 * Inline this CSS for performance
 */

/* === CRITICAL CSS VARIABLES === */
:root {
  --color-primary-mint: #D0F0C0;
  --color-primary-pink: #FADADD;
  --color-white: #FFFFFF;
  --color-cream: #FEFCF7;
  --color-charcoal: #333333;
  --color-dark-gray: #555555;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --radius-lg: 1rem;
  --radius-xl: 2rem;
  --shadow-strong: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* === CRITICAL RESET === */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-charcoal);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1;
  text-rendering: optimizeLegibility;
}

/* === CRITICAL TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-md) 0;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-charcoal);
}

h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-xl);
}

p {
  margin: 0 0 var(--space-md) 0;
  font-size: var(--font-size-base);
  line-height: 1.6;
}

/* === CRITICAL LAYOUT === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* === HERO BLOCK CRITICAL STYLES === */
.block-welcome-hero {
  background: linear-gradient(135deg, var(--color-primary-mint) 0%, var(--color-primary-pink) 100%);
  position: relative;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.block-welcome-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-charcoal);
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 4px rgba(255, 255, 255, 0.5);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xl);
  color: var(--color-dark-gray);
}

.hero-image {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-strong);
  max-width: 100%;
  height: auto;
}

/* === CRITICAL IMAGES === */
.img-responsive {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Unlazy image loading styles - prevent FOUC */
img[data-src] {
  transition: opacity 0.3s ease-in-out, filter 0.3s ease-in-out;
}

img[data-src]:not([src]) {
  opacity: 0.8;
}

img[src] {
  opacity: 1;
}

/* === CRITICAL CTA BUTTON === */
.cta-button {
  display: inline-block;
  background: var(--color-white);
  color: var(--color-charcoal);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-lg);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

/* === CRITICAL RESPONSIVE === */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-xl);
  }
  
  .block-welcome-hero {
    min-height: 90vh;
  }
  
  .hero-content {
    text-align: left;
  }
  
  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1200px;
    padding: 0 var(--space-xl);
  }
}

/* === ACCESSIBILITY === */
a:focus,
button:focus {
  outline: 2px solid var(--color-primary-mint);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}