/* ===========================================
   SUPERNANNY ACADEMY - DESIGN SYSTEM
   =========================================== */

/* === IMPORTS === */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* === CSS VARIABLES === */
:root {
  /* Primary Colors - Blue Theme */
  --primary-blue: #1E5BA8;
  --primary-blue-dark: #134280;
  --primary-blue-light: #2874D4;
  --primary-blue-lighter: #4A8EE6;
  
  /* Secondary Colors - Yellow/Gold Theme */
  --primary-yellow: #FFB81C;
  --primary-gold: #F9A825;
  --gold-dark: #E89100;
  
  /* Rainbow Colors */
  --rainbow-red: #EF4444;
  --rainbow-orange: #F97316;
  --rainbow-yellow: #FACC15;
  --rainbow-green: #22C55E;
  --rainbow-blue: #3B82F6;
  --rainbow-purple: #A855F7;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --off-white: #F9FAFB;
  --light-gray: #E5E7EB;
  --gray: #9CA3AF;
  --dark-gray: #4B5563;
  --darker-gray: #1F2937;
  --black: #111827;
  
  /* Sky & Background Colors */
  --sky-blue: #BAE6FF;
  --sky-light: #E0F2FE;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Font Sizes */
  --fs-xs: 0.75rem;     /* 12px */
  --fs-sm: 0.875rem;    /* 14px */
  --fs-base: 1rem;      /* 16px */
  --fs-lg: 1.125rem;    /* 18px */
  --fs-xl: 1.25rem;     /* 20px */
  --fs-2xl: 1.5rem;     /* 24px */
  --fs-3xl: 1.875rem;   /* 30px */
  --fs-4xl: 2.25rem;    /* 36px */
  --fs-5xl: 3rem;       /* 48px */
  --fs-6xl: 3.75rem;    /* 60px */
  
  /* Spacing */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 1rem;     /* 16px */
  --space-md: 1.5rem;   /* 24px */
  --space-lg: 2rem;     /* 32px */
  --space-xl: 3rem;     /* 48px */
  --space-2xl: 4rem;    /* 64px */
  --space-3xl: 6rem;    /* 96px */
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

/* === RESET & BASE STYLES === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--darker-gray);
  background-color: var(--white);
  overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-blue-dark);
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: var(--fs-5xl);
  font-weight: 800;
}

h2 {
  font-size: var(--fs-4xl);
  font-weight: 700;
}

h3 {
  font-size: var(--fs-3xl);
  font-weight: 700;
}

h4 {
  font-size: var(--fs-2xl);
  font-weight: 600;
}

h5 {
  font-size: var(--fs-xl);
  font-weight: 600;
}

h6 {
  font-size: var(--fs-lg);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-sm);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-blue-light);
}

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

.section {
  padding: var(--space-3xl) 0;
}

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

.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary-blue);
}

.text-yellow {
  color: var(--primary-yellow);
}

.bg-primary {
  background-color: var(--primary-blue);
}

.bg-yellow {
  background-color: var(--primary-yellow);
}

.bg-light {
  background-color: var(--off-white);
}

.bg-sky {
  background: linear-gradient(to bottom, var(--sky-light), var(--white));
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

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

.btn-yellow:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

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

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

/* === CARDS === */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    var(--rainbow-red),
    var(--rainbow-orange),
    var(--rainbow-yellow),
    var(--rainbow-green),
    var(--rainbow-blue),
    var(--rainbow-purple)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.card-glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: var(--fs-3xl);
}

/* === NAVIGATION === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--primary-blue);
}

.nav-logo img {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--darker-gray);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--primary-blue);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-blue);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

/* === HERO SECTION === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #BAE6FF 0%, #E0F2FE 50%, #FEF3C7 100%);
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 150px;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23FFB81C" fill-opacity="0.3" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
  background-size: cover;
  animation: wave 10s ease-in-out infinite;
}

@keyframes wave {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-20px); }
}

.hero-content {
  text-align: center;
  z-index: 2;
  position: relative;
}

.hero-logo {
  width: 180px;
  height: auto;
  margin-bottom: var(--space-md);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--primary-blue);
  margin-bottom: var(--space-sm);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 2rem);
  color: var(--primary-blue-dark);
  font-weight: 600;
  margin-bottom: var(--space-md);
  font-style: italic;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--darker-gray);
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* === SECTION HEADERS === */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--rainbow-red), var(--rainbow-orange), var(--rainbow-yellow));
  border-radius: var(--radius-full);
}

.section-subtitle {
  color: var(--gray);
  font-size: var(--fs-lg);
  max-width: 600px;
  margin: var(--space-md) auto 0;
}

/* === GRID LAYOUTS === */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* === BENEFITS SECTION === */
.benefit-card {
  text-align: center;
}

.benefit-icon {
  background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
  color: var(--white);
}

.benefit-title {
  color: var(--primary-blue-dark);
  font-size: var(--fs-xl);
  margin-bottom: var(--space-xs);
}

/* === EVENTS SECTION === */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.event-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.event-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.event-card:hover .event-image {
  transform: scale(1.1);
}

.event-content {
  padding: var(--space-lg);
}

.event-title {
  color: var(--primary-blue);
  margin-bottom: var(--space-sm);
}

/* === CONTACT SECTION === */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--off-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.contact-item:hover {
  background: var(--sky-light);
  transform: translateX(8px);
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: var(--fs-2xl);
  flex-shrink: 0;
}

.contact-details h4 {
  margin-bottom: 4px;
  font-size: var(--fs-base);
}

.contact-details a,
.contact-details p {
  color: var(--dark-gray);
  margin: 0;
}

/* === FOOTER === */
.footer {
  background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
  color: var(--white);
  padding: var(--space-2xl) 0 var(--space-lg);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, 
    var(--rainbow-red),
    var(--rainbow-orange),
    var(--rainbow-yellow),
    var(--rainbow-green),
    var(--rainbow-blue),
    var(--rainbow-purple)
  );
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: var(--space-md);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
  color: var(--primary-yellow);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.7);
}

/* === ANIMATIONS === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
  :root {
    --fs-5xl: 2.5rem;
    --fs-4xl: 2rem;
    --fs-3xl: 1.5rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-2xl) 0;
    transition: left var(--transition-base);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .card {
    padding: var(--space-md);
  }
}