:root {
  /* Colorful & Modern Educational Palette */
  --primary-color: #0ea5e9; /* Sky Blue */
  --secondary-color: #10b981; /* Emerald */
  --accent-color: #f59e0b; /* Amber/Orange */
  --dark-color: #1e293b; /* Slate Dark */
  --light-color: #f8fafc; /* Slate Light */
  
  --font-heading: 'Playfair Display', serif;
  --font-text: 'Inter', sans-serif;
}

body {
  font-family: var(--font-text);
  color: var(--dark-color);
  background-color: var(--light-color);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}

main {
  flex-grow: 1;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

/* Base button styles */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-accent {
  background-color: var(--accent-color);
  color: #fff;
  box-shadow: 0 4px 6px rgba(245, 158, 11, 0.3);
}
.btn-accent:hover {
  background-color: #d97706;
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--primary-color);
  color: #fff;
  box-shadow: 0 4px 6px rgba(14, 165, 233, 0.3);
}
.btn-primary:hover {
  background-color: #0284c7;
  transform: translateY(-2px);
}

/* Header & Nav */
.site-header {
  background-color: #ffffff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-link {
  color: var(--dark-color);
  font-weight: 500;
  transition: color 0.2s;
}
.nav-link:hover {
  color: var(--primary-color);
}

.mobile-menu {
  display: none;
  background-color: #ffffff;
  border-top: 1px solid #e2e8f0;
}
.mobile-menu.active {
  display: block;
}

/* Sections */
.hero-bg {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  position: relative;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(30, 41, 59, 0.9), rgba(30, 41, 59, 0.6));
}

/* Features */
.feature-card {
  background: #ffffff;
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
}
.icon-wrapper {
  background-color: var(--light-color);
  color: var(--secondary-color);
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  background-color: var(--dark-color);
  color: #f1f5f9;
}
.footer-link {
  color: #cbd5e1;
  transition: color 0.2s;
}
.footer-link:hover {
  color: var(--accent-color);
}

/* Form Styles */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  font-family: var(--font-text);
  transition: border-color 0.3s;
}
.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

/* Cookie Banner (JS Version) */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--dark-color);
  color: #ffffff;
  padding: 1.5rem;
  text-align: center;
  z-index: 9999;
  box-shadow: 0 -4px 15px rgba(0,0,0,0.3);
}
.cookie-btn {
  cursor: pointer;
  padding: 0.6rem 2rem;
  margin: 0.5rem;
  background-color: var(--accent-color);
  color: #ffffff;
  border-radius: 50px;
  border: none;
  display: inline-block;
  font-weight: bold;
  font-family: inherit;
  transition: all 0.3s ease;
}
.cookie-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}
.cookie-btn-alt {
  background-color: #4B5563;
}