/*
  components.css — Reusable UI pieces: buttons, cards, nav, footer.
*/

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: var(--purple);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--purple-dark);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--purple);
  border-color: var(--purple);
}

.btn-secondary:hover {
  background: var(--purple-light);
  color: var(--purple-dark);
}

.btn-pink {
  background: var(--pink);
  color: var(--white);
}

.btn-pink:hover {
  background: #d44f96;
  color: var(--white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* ---- Cards ---- */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ---- Site Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  height: var(--header-height);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--purple-dark);
  font-size: 1.125rem;
}

.nav-logo img {
  height: 48px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links a {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--gray-700);
  padding: 0.25rem 0;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--purple);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--pink);
  border-radius: 2px;
}

.nav-links a.btn {
  color: var(--white);
}

.nav-links a.btn:hover {
  color: var(--white);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--purple-dark);
  margin: 5px 0;
  transition: var(--transition);
}

/* ---- Footer ---- */
.site-footer {
  background: var(--gray-900);
  color: var(--gray-200);
  padding: var(--space-xl) var(--space-md) var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.footer-brand img {
  height: 64px;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  color: var(--gray-500);
  font-size: 0.9375rem;
}

.footer-links h4,
.footer-contact h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.footer-links ul li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--gray-500);
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: var(--pink-light);
}

.footer-contact a {
  color: var(--gray-500);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.footer-social img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: transform var(--transition);
}

.footer-social a:hover img {
  transform: scale(1.1);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  color: var(--gray-500);
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* ---- Mobile Nav ---- */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    border-bottom: 1px solid var(--gray-200);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}