:root {
  --brand-yellow: #FFC107;
  --accent-blue: #0d6efd;
  --text-dark: #2c3e50;
  --bg-light: #f8f9fa;
}

body {
  font-family: 'Nunito', sans-serif;
  background-color: var(--bg-light);
  color: var(--text-dark);
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, .navbar-brand {
  font-family: 'Fredoka', cursive, sans-serif;
}

.bg-brand-yellow {
  background-color: var(--brand-yellow) !important;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark) !important;
}

.nav-link {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark) !important;
  padding: 0.5rem 1rem !important;
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #000 !important;
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 3px;
}

.hero-title {
  color: var(--accent-blue);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
}

.motto-text {
  font-family: 'Fredoka', cursive;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 1px;
  font-style: italic;
}

.btn-accent-blue {
  background-color: var(--accent-blue);
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0.75rem 2.2rem;
  border-radius: 50px;
  border: none;
  box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
  transition: all 0.2s ease-in-out;
}

.btn-accent-blue:hover {
  background-color: #0b5ed7;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 110, 253, 0.4);
}

.hero-img-wrapper {
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
  background-color: #fff;
}

.hero-img-wrapper img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

.feature-card {
  border: none;
  border-radius: 20px;
  background-color: #ffffff;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(13, 110, 253, 0.25);
}

.footer-bar {
  background-color: #ffffff;
  border-top: 2px solid #f1f1f1;
}

.btn-chat {
  background-color: var(--brand-yellow);
  color: var(--text-dark);
  font-weight: 700;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  border: 2px solid var(--text-dark);
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-chat:hover {
  background-color: var(--text-dark);
  color: var(--brand-yellow);
  border-color: var(--text-dark);
}

.form-control-custom {
  border-radius: 16px;
  border: 2px solid var(--accent-blue);
  padding: 0.8rem 1.2rem;
  transition: border-color 0.2s ease;
}

.form-control-custom:focus {
  border-color: #0a58ca;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-control-custom.is-invalid {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

.form-control-custom.is-valid {
  border-color: #198754;
  box-shadow: 0 0 0 0.25rem rgba(25, 135, 84, 0.25);
}

@media (max-width: 991.98px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-img-wrapper img {
    height: 300px;
  }
  .motto-text {
    font-size: 1.2rem;
  }
}