/* ---------- Navigation ---------- */
.navbar {
  background: var(--navbar-bg);
  border-bottom: 1px solid var(--divider);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--navbar-hover) 20%, transparent);
}
.navbar-brand,
.nav-link {
  color: var(--navbar-text) !important;
  font-weight: 600;
  letter-spacing: .5px;
}
.nav-link.active,
.nav-link:hover {
  color: var(--navbar-hover) !important;
}

/* ---------- Hero section ---------- */
.hero {
  background: var(--hero-bg);
  border-radius: 1.5rem;
  padding: 3rem 2rem 2rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 4px 24px color-mix(in srgb, var(--navbar-hover) 15%, transparent);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.hero-title {
  color: var(--primary-text);
  font-family: 'Roboto', 'Open Sans', Arial, sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: .5rem;
}
.hero-desc {
  color: var(--desc-text);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}
.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  border-radius: 2rem;
  padding: .75rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  transition: background .2s;
}
.btn-primary:hover {
  background: var(--navbar-hover);
}
.btn-primary:active {
  background: var(--btn-active, #cddc39);
  color: var(--primary-text);
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}
.card {
  background: var(--primary-bg);
  border-radius: 1rem;
  box-shadow: 0 2px 12px color-mix(in srgb, var(--navbar-hover) 10%, transparent);
  border: 1px solid var(--card-border, var(--divider));
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s, background .3s, color .3s;
  color: var(--primary-text);
}
.card:hover {
  box-shadow: 0 6px 24px color-mix(in srgb, var(--navbar-hover) 20%, transparent);
}
.card-title {
  color: var(--primary-text);
  font-weight: 600;
  margin-bottom: .5rem;
}
.card-desc {
  color: var(--desc-text);
  font-size: 1rem;
}

/* ---------- Links ---------- */
a {
  color: var(--navbar-hover);
  text-decoration: none;
  transition: color .2s;
}
a:hover {
  color: var(--navbar-text) !important;
}

/* ---------- Divider ---------- */
.divider {
  border-top: 1px solid var(--divider);
  margin: 2.5rem 0;
}
/* ---------- Form controls ---------- */
input.form-control,
textarea.form-control {
  color: var(--primary-text);
  background: var(--primary-bg);
}

[data-bs-theme="dark"] input.form-control,
[data-bs-theme="dark"] textarea.form-control,
[data-bs-theme="dark"] .form-control.bg-light {
  color: var(--primary-text);
  background: var(--secondary-bg) !important;
  border-color: var(--card-border);
}
[data-bs-theme="dark"] label.form-label {
  color: var(--primary-text) !important;
}
[data-bs-theme="dark"] input.form-control::placeholder,
[data-bs-theme="dark"] textarea.form-control::placeholder {
  color: var(--desc-text);
  opacity: 0.7;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .hero   { padding: 2rem 1rem 1.5rem; }
  .cards  { gap: 1rem; }
  .card   { padding: 1.2rem .7rem; }
}

/* ---------- Error Pages (404, 405) ---------- */
.error-image {
  opacity: 0.9;
}

.error-image img {
  height: auto;
  object-fit: contain;
  max-width: 400px;
}

.error-message h2 {
  font-weight: 500;
  margin-top: 2rem;
}

.error-text {
  color: var(--navbar-text);
}

@media (max-width: 768px) {
  .error-image img {
    max-width: 280px;
  }
}

@media (max-width: 576px) {
  .error-image img {
    max-width: 250px;
  }
}

@media (max-width: 400px) {
  .error-image img {
    max-width: 200px;
  }
}

/* ---------- Features Section ---------- */
.features-section {
  background: var(--secondary-bg);
}

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

.feature-icon {
  color: var(--navbar-text);
}

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

.feature-desc {
  color: var(--desc-text);
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: var(--hero-bg);
}

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

.cta-text {
  color: var(--desc-text);
}

.cta-btn {
  background: var(--btn-bg);
  color: var(--btn-text);
  border: none;
}

/* ---------- Legacy dark-mode fallback ---------- */
[data-theme="dark"] {
  background: var(--primary-bg);
  color: var(--secondary-bg);
}
[data-theme="dark"] .navbar { background: var(--navbar-bg); }
[data-theme="dark"] .hero   { background: var(--hero-bg); }
[data-theme="dark"] .card   { background: var(--secondary-bg); }