/* ============================================
   Components: Buttons, Cards, Forms, Nav, Footer
   ============================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 3px solid rgba(var(--primary-rgb), 0.5);
  outline-offset: 2px;
}

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

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

.btn--outline {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}

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

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

.btn--white:hover {
  background-color: var(--gray-100);
  color: var(--primary);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-lg);
}

.btn--icon {
  padding: 0.5rem;
  border-radius: var(--radius-md);
}

.btn--full {
  width: 100%;
}

.btn--disabled,
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn svg {
  width: 1.125em;
  height: 1.125em;
  flex-shrink: 0;
}

/* ---- Cards ---- */
.card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  background-color: var(--primary-light);
  color: var(--primary);
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--gray-900);
}

.card__text {
  font-size: var(--text-sm);
  color: var(--gray-500);
  line-height: var(--leading-relaxed);
}

.card--feature {
  text-align: center;
}

.card--feature .card__icon {
  margin: 0 auto var(--space-4);
}

.card--link {
  text-decoration: none;
  display: block;
  cursor: pointer;
}

.card--link:hover {
  border-color: var(--primary);
}

.card--link:hover .card__title {
  color: var(--primary);
}

/* ---- Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge--primary {
  background-color: var(--primary-light);
  color: var(--primary);
}

.badge--success {
  background-color: var(--success-light);
  color: var(--success);
}

.badge--secondary {
  background-color: var(--secondary-light);
  color: var(--secondary-dark);
}

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: 64px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition-base);
}

.navbar--scrolled {
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

.navbar__inner {
  display: flex;
  align-items: center;
  height: 100%;
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--gray-900);
  text-decoration: none;
  margin-right: var(--space-10);
  flex-shrink: 0;
}

.navbar__logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #5631A7 0%, #6544F7 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: var(--text-sm);
  letter-spacing: -0.5px;
}

/* Desktop navigation links */
.navbar__nav {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 0;
  flex: 1;
}

.navbar__link {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 1.25rem;
  font-size: 15px;
  font-weight: 400;
  color: var(--gray-700);
  transition: color var(--transition-fast);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.25rem;
  right: 1.25rem;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.navbar__link:hover {
  color: var(--gray-900);
}

.navbar__link:hover::after {
  transform: scaleX(1);
}

.navbar__link--active {
  color: var(--gray-900);
  font-weight: 500;
}

.navbar__link--active::after {
  transform: scaleX(1);
}

/* Features mega-dropdown */
.navbar__dropdown {
  position: static;
  height: 100%;
}

.navbar__dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.navbar__dropdown-trigger svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.navbar__dropdown-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  padding: var(--space-8) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.25s ease;
  z-index: var(--z-dropdown);
}

.navbar__dropdown:hover .navbar__dropdown-panel,
.navbar__dropdown.is-open .navbar__dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar__dropdown:hover .navbar__dropdown-trigger svg,
.navbar__dropdown.is-open .navbar__dropdown-trigger svg {
  transform: rotate(180deg);
}

.navbar__dropdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.navbar__dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: background-color 0.15s ease;
}

.navbar__dropdown-item:hover {
  background-color: var(--gray-50);
}

.navbar__dropdown-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.navbar__dropdown-icon svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.navbar__dropdown-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.navbar__dropdown-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.3;
}

.navbar__dropdown-desc {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-500);
  line-height: 1.4;
}

.navbar__dropdown-item:hover .navbar__dropdown-title {
  color: var(--primary);
}

/* Right-side actions */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: auto;
  flex-shrink: 0;
}

.navbar__login {
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition-fast);
}

.navbar__login:hover {
  color: var(--primary);
}

/* Mobile menu toggle */
.navbar__toggle {
  display: none;
  padding: var(--space-2);
  color: var(--gray-700);
}

.navbar__toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile menu */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: var(--z-overlay);
  padding: var(--space-6);
  flex-direction: column;
  overflow-y: auto;
}

.navbar__mobile-menu.is-open {
  display: flex;
}

.navbar__mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.navbar__mobile-close {
  padding: var(--space-2);
  color: var(--gray-700);
}

.navbar__mobile-close svg {
  width: 24px;
  height: 24px;
}

.navbar__mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.navbar__mobile-link {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-md);
}

.navbar__mobile-link:hover {
  background-color: var(--gray-50);
  color: var(--primary);
}

.navbar__mobile-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-400);
  padding: var(--space-4) var(--space-4) var(--space-2);
}

.navbar__mobile-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: var(--border);
}

/* ---- Footer ---- */
.footer {
  background-color: var(--gray-900);
  color: var(--gray-400);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--gray-400);
  margin-top: var(--space-4);
  max-width: 300px;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--white);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-800);
  font-size: var(--text-sm);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-6);
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.form-label--required::after {
  content: ' *';
  color: var(--error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--text-base);
  color: var(--gray-800);
  background-color: var(--white);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-input--error {
  border-color: var(--error);
}

.form-input--error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--error);
  margin-top: var(--space-1);
}

.form-hint {
  font-size: var(--text-sm);
  color: var(--gray-400);
  margin-top: var(--space-1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-section-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: var(--border);
}

/* Radio-style school type buttons */
.form-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-2);
}

.form-type-btn {
  padding: 0.75rem var(--space-3);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-lg);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-type-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.form-type-btn.is-selected {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

/* ---- Alert Banner ---- */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.alert--error {
  background-color: var(--error-light);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert--success {
  background-color: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}