@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

body {
  font-family: 'Poppins', sans-serif;
  background-color: #0f0f0f;
  color: #e6e6e6;
}

html {
  scroll-behavior: smooth;
}

.navbar {
  background-color: transparent;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 999;
}

.block-navbar {
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  align-items: center;
}

.image-logo {
  height: 2rem;
}

.nav-menu {
  display: flex;
  gap: 1rem;
  background: rgba(70, 70, 70, 0.3);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1rem;
  border-radius: 0.75rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.875rem;
  color: #e6e6e6;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background: #0006;
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
}

.section-hero {
  padding-top: 7rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.grid-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2rem;
  width: 100%;
  max-width: 1200px;
  margin: auto;
}

.hero-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.heading-hero {
  font-size: 3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #fff;
}

.paragraph-hero {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: #cfcfcf;
}

.image-hover {
  border-radius: 0.75rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.image-hover:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

details {
  overflow: hidden;
  background-color: #1f2937;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 
              0 4px 6px -2px rgba(0,0,0,0.05);
  transition: background-color 0.3s ease;
}

details[open] summary {
  background-color: #4f46e5;
  color: white;
}

summary {
  padding: 1rem;
  cursor: pointer;
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 600;
  transition: background-color 0.3s ease, color 0.3s ease;
}

details div {
  padding: 1rem;
  border-top: 1px solid #374151;
  color: #ffffff;
  font-size: 1rem;
  line-height: 1.5;
}

.footer a {
  text-decoration: none;
}

.footer a:hover {
  color: #6366f1;
}

.footer p {
  font-size: 0.875rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: none;
}
#backToTop {
  display: none;
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  background-color: #2563eb; /* blue-600 */
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 9999px;
  font-weight: 600;
  box-shadow: 0 10px 20px rgba(0,0,0,0.25);
  cursor: pointer;
  z-index: 999;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

#backToTop:hover {
  background-color: #1d4ed8; /* blue-700 */
  transform: scale(1.05);
}