/* ===== GLOBAL RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #1A1A2E;
  background-color: #FFFFFF;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; color: #0077BE; }
h3 { font-size: 1.5rem; }

p { margin-bottom: 1rem; }

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, #0077BE 0%, #005A8E 100%);
  color: white;
  text-align: center;
  padding: 4rem 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: white;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* ===== BUTTONS ===== */
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-primary {
  background: #FFD700;
  color: #1A1A2E;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
  transition: all 0.3s ease;
}

.cta-primary:hover {
  background: #FFA500;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
}

.cta-secondary {
  background: transparent;
  color: #0077BE;
  border: 2px solid #0077BE;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
  transition: all 0.3s ease;
}

.cta-secondary:hover {
  background: #0077BE;
  color: white;
}

.hero .cta-secondary {
  color: white;
  border-color: white;
}

.hero .cta-secondary:hover {
  background: white;
  color: #0077BE;
}

.cta-large {
  font-size: 1.2rem;
  padding: 1.2rem 2.5rem;
}

.cta-small {
  font-size: 0.9rem;
  padding: 0.6rem 1.2rem;
}

/* ===== SECTIONS ===== */
section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
  line-height: 1.8;
}

/* ===== FEATURED PRODUCT ===== */
.featured-product {
  background: linear-gradient(135deg, #E8F4F8 0%, #FFFFFF 100%);
  padding: 3rem 2rem;
  border-radius: 12px;
  border: 3px solid #0077BE;
  margin: 2rem auto;
  max-width: 1200px;
}

.featured-badge {
  background: #FFD700;
  color: #1A1A2E;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: bold;
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.featured-product h2 {
  color: #0077BE;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.featured-description {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* ===== PRODUCT PREVIEW GRID ===== */
.product-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.preview-card {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.preview-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.preview-card h3 {
  color: #0077BE;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.preview-card p {
  color: #666;
  margin-bottom: 0.5rem;
}

.coming-soon {
  color: #0077BE;
  font-weight: bold;
  margin-top: 1rem;
}

/* ===== CTA CENTER ===== */
.cta-center {
  text-align: center;
  margin-top: 2rem;
}

.pricing-preview {
  margin-top: 1rem;
  color: #666;
  font-size: 1rem;
}

/* ===== PRODUCT HIGHLIGHT ===== */
.product-highlight {
  background: #F9F9F9;
  padding: 3rem 2rem;
  text-align: center;
}

.product-highlight h2 {
  margin-bottom: 1rem;
}

/* ===== EDUCATOR HUB ===== */
.educator-hub {
  background: white;
  padding: 3rem 2rem;
}

.educator-hub h2 {
  text-align: center;
  margin-bottom: 1rem;
}

/* ===== ABOUT SECTION ===== */
.about-lab {
  background: #E8F4F8;
  padding: 3rem 2rem;
  text-align: center;
}

/* ===== CONTACT SECTION ===== */
.contact-signup {
  background: linear-gradient(135deg, #0077BE 0%, #005A8E 100%);
  color: white;
  text-align: center;
  padding: 3rem 2rem;
}

.contact-signup h2 {
  color: white;
  margin-bottom: 1rem;
}

.contact-signup form {
  max-width: 500px;
  margin: 2rem auto;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.contact-signup input[type="email"] {
  flex: 1;
  min-width: 250px;
  padding: 1rem;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
}

.contact-signup button {
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-weight: bold;
  cursor: pointer;
  font-size: 1rem;
}

.disclaimer {
  font-size: 0.9rem;
  margin-top: 1rem;
  opacity: 0.9;
}

.disclaimer a {
  color: #FFD700;
  text-decoration: none;
}

.disclaimer a:hover {
  text-decoration: underline;
}

/* ===== FOOTER ===== */
footer {
  background: #1A1A2E;
  color: white;
  text-align: center;
  padding: 2rem;
}

.footer-nav {
  margin: 1rem 0;
}

.footer-nav a {
  color: #E8F4F8;
  text-decoration: none;
  margin: 0 0.5rem;
}

.footer-nav a:hover {
  color: #FFD700;
  text-decoration: underline;
}

.contact-info {
  margin-top: 1rem;
}

.contact-info a {
  color: #0077BE;
  text-decoration: none;
}

.contact-info a:hover {
  color: #FFD700;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .hero {
    padding: 2rem 1rem;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  section {
    padding: 2rem 1rem;
  }
  
  .product-preview {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .contact-signup form {
    flex-direction: column;
  }
  
  .contact-signup input[type="email"] {
    min-width: 100%;
  }
}
/* ===== TOP NAVIGATION WITH LOGO ===== */
/* ===== TOP NAVIGATION WITH LOGO ===== */
.top-nav {
  background: white;
  padding: 0.75rem 2rem; 
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo-link {
  text-decoration: none;
  display: inline-block;
  transition: transform 0.3s ease;
}

.logo-link:hover {
  transform: scale(1.03);
}

.site-logo {
  height: 52px; 
  display: block;
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.nav-menu a {
  text-decoration: none;
  color: #2C3E50;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
}

.nav-menu a:hover {
  color: #0077BE;
  background: #E8F4F8;
}

.nav-menu .dropdown {
  position: relative;
}

.nav-menu .dropdown-toggle {
  cursor: pointer;
  display: inline-block;
}

.nav-menu .dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 260px;
  background: #ffffff;
  border: 2px solid rgba(26,26,46,0.12);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  padding: 0.5rem;
  z-index: 50;
}

.nav-menu .dropdown-menu a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  font-weight: 700;
}

.nav-menu .dropdown:hover .dropdown-menu,
.nav-menu .dropdown:focus-within .dropdown-menu {
  display: block;
}

.nav-menu .dropdown:hover .dropdown-toggle,
.nav-menu .dropdown:focus-within .dropdown-toggle {
  color: #0077BE;
  background: #E8F4F8;
}

.nav-menu .nav-cta {
  background-color: #0077BE;
  color: white;
  padding: 0.45rem 1.2rem; 
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
}

.hero {
  text-align: center;
  padding: 2.5rem 1.5rem; 
  background: linear-gradient(135deg, #0077BE, #00A6FF);
  color: white;
}

/* Mobile Responsive */
@media (max-width: 992px) {
  .top-nav {
    padding: 1rem 1.5rem;
  }
  
  .nav-menu {
    gap: 1.5rem;
  }
  
  .nav-menu a {
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
  }
}

@media (max-width: 768px) {
  .top-nav {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem 1rem;
  }
  
  .site-logo {
    max-width: 200px;
  }
  
  .nav-menu {
    flex-direction: column;
    gap: 0.8rem;
    width: 100%;
    text-align: center;
  }
  
  .nav-menu a {
    width: 100%;
    display: block;
  }

  .nav-menu .dropdown {
    width: 100%;
  }

  .nav-menu .dropdown-menu {
    position: static;
    min-width: 0;
    width: 100%;
    margin-top: 0.25rem;
    box-shadow: none;
  }
}

@media print {
  html, body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .top-nav,
  .nav-menu,
  .hero,
  .cta-buttons,
  .cta-primary,
  .cta-secondary,
  header,
  footer {
    display: none !important;
  }

  a {
    color: #000000 !important;
    text-decoration: underline !important;
  }

  .page,
  .container {
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .section,
  .card,
  .callout,
  pre,
  pre.md {
    box-shadow: none !important;
    background: transparent !important;
    border: 1px solid #dddddd !important;
  }

  h1, h2, h3, h4 {
    color: #000000 !important;
  }

  h2, h3 {
    break-after: avoid-page;
    page-break-after: avoid;
  }

  .section,
  .card,
  .callout {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  pre,
  pre.md {
    white-space: pre-wrap !important;
    word-break: break-word !important;
  }
}