/* ============================================
   IDGAI Aceh Besar - Main Stylesheet
   Modern, Clean, Professional Medical Organization
   ============================================ */

:root {
  --primary: #EC4899;
  --primary-dark: #DB2777;
  --primary-light: #F9A8D4;
  --secondary: #10B981;
  --secondary-dark: #059669;
  --secondary-light: #34D399;
  --text: #0B1220;
  --text-muted: #64748B;
  --surface: #F8FAFC;
  --surface-elevated: #FFFFFF;
  --muted: #E2E8F0;
  --border: #CBD5E1;
  --danger: #EF4444;
  --warning: #F59E0B;
  --success: #10B981;

  --spacing-xs: clamp(0.25rem, 0.5vw, 0.5rem);
  --spacing-sm: clamp(0.5rem, 1vw, 0.75rem);
  --spacing-md: clamp(0.75rem, 1.5vw, 1rem);
  --spacing-lg: clamp(1rem, 2vw, 1.5rem);
  --spacing-xl: clamp(1.5rem, 3vw, 2rem);
  --spacing-2xl: clamp(2rem, 4vw, 3rem);
  --spacing-3xl: clamp(3rem, 6vw, 4rem);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Poppins', var(--font-sans);

  --text-xs: clamp(0.75rem, 0.8rem, 0.875rem);
  --text-sm: clamp(0.875rem, 0.9rem, 1rem);
  --text-base: clamp(1rem, 1.05rem, 1.125rem);
  --text-lg: clamp(1.125rem, 1.2rem, 1.25rem);
  --text-xl: clamp(1.25rem, 1.4rem, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.8rem, 2rem);
  --text-3xl: clamp(1.875rem, 2.2rem, 2.5rem);
  --text-4xl: clamp(2.25rem, 2.8rem, 3rem);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --surface: #1E293B;
  --surface-elevated: #334155;
  --muted: #475569;
  --border: #64748B;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--surface);
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  text-decoration: none;
  border-radius: 0 0 var(--radius-md) 0;
  z-index: 10000;
}

.skip-link:focus {
  top: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-narrow {
  max-width: 960px;
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-sm {
  padding: var(--spacing-2xl) 0;
}

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

.text-muted {
  color: var(--text-muted);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.top-bar {
  background: var(--primary-dark);
  color: white;
  font-size: var(--text-sm);
  padding: var(--spacing-sm) 0;
}

.top-bar__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.top-bar__links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.top-bar__links a {
  color: white;
  transition: opacity var(--transition);
}

.top-bar__links a:hover {
  opacity: 0.8;
}

.navbar {
  background: var(--surface-elevated);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  gap: var(--spacing-xl);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
}

.navbar__logo {
  width: 48px;
  height: 48px;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-sm);
  background: transparent;
  border: none;
  cursor: pointer;
}

.navbar__toggle-bar {
  width: 24px;
  height: 3px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.navbar__toggle.active .navbar__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__toggle.active .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.active .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  list-style: none;
}

.navbar__link {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition);
  position: relative;
}

.navbar__link:hover {
  background: var(--surface);
  color: var(--primary);
}

.navbar__link.active {
  color: var(--primary);
  background: var(--surface);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--spacing-md);
  right: var(--spacing-md);
  height: 2px;
  background: var(--primary);
}

@media (max-width: 1024px) {
  .navbar__toggle {
    display: flex;
  }

  .navbar__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface-elevated);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .navbar__menu.active {
    max-height: 100vh;
    padding: var(--spacing-lg) 0;
  }

  .navbar__link {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .navbar__link.active::after {
    display: none;
  }
}

.breadcrumb {
  padding: var(--spacing-md) 0;
  font-size: var(--text-sm);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  list-style: none;
  align-items: center;
}

.breadcrumb__item:not(:last-child)::after {
  content: '/';
  margin-left: var(--spacing-sm);
  color: var(--text-muted);
}

.breadcrumb__link {
  color: var(--text-muted);
}

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

.breadcrumb__current {
  color: var(--text);
}

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
  opacity: 0.1;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--spacing-lg);
  color: white;
}

.hero__subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  font-size: var(--text-base);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: white;
}

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

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

.btn-ghost:hover {
  background: var(--surface);
}

.card {
  background: var(--surface-elevated);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
}

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

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
}

.card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
}

.card__meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

.card__description {
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--surface-elevated);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

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

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
}

.feature-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-sm);
}

.feature-card__description {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.table-responsive {
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface-elevated);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

thead {
  background: var(--surface);
}

th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-weight: 600;
  color: var(--text);
}

td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border);
}

tbody tr:hover {
  background: var(--surface);
}

.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  background: var(--surface-elevated);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq__question {
  width: 100%;
  padding: var(--spacing-lg);
  text-align: left;
  font-size: var(--text-lg);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  cursor: pointer;
  transition: background var(--transition);
}

.faq__question:hover {
  background: var(--surface);
}

.faq__icon {
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq__item.active .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq__answer-content {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--text-muted);
  line-height: 1.7;
}

.faq__item.active .faq__answer {
  max-height: 1000px;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--text);
}

.form-label--required::after {
  content: '*';
  color: var(--danger);
  margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--text-base);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--surface-elevated);
  color: var(--text);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-input:invalid:not(:placeholder-shown),
.form-select:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
  border-color: var(--danger);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form-checkbox input {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-error {
  color: var(--danger);
  font-size: var(--text-sm);
  margin-top: var(--spacing-xs);
}

.form-help {
  color: var(--text-muted);
  font-size: var(--text-sm);
  margin-top: var(--spacing-xs);
}

.alert {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.alert-info {
  background: rgba(14, 165, 233, 0.1);
  color: var(--primary-dark);
  border-left: 4px solid var(--primary);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary-dark);
  border-left: 4px solid var(--secondary);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #D97706;
  border-left: 4px solid var(--warning);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #DC2626;
  border-left: 4px solid var(--danger);
}

.toast {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transform: translateY(200%);
  transition: transform 0.3s ease;
}

.toast.show {
  transform: translateY(0);
}

.toast-success {
  border-left: 4px solid var(--success);
  background: #F0FDF4;
  color: #166534;
}

.toast-error {
  border-left: 4px solid var(--danger);
  background: #FEF2F2;
  color: #991B1B;
}

.toast-info {
  border-left: 4px solid var(--primary);
  background: #FDF2F8;
  color: #831843;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
  background: var(--surface-elevated);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-image {
  transform: scale(1.05);
}

.gallery-caption {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--surface-elevated);
  color: var(--text);
  font-size: var(--text-sm);
  font-weight: 500;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.gallery__item:hover .gallery__image {
  transform: scale(1.1);
}

.gallery__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery__item:hover .gallery__overlay {
  opacity: 1;
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 10000;
  padding: var(--spacing-xl);
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox__image {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  background: white;
  color: var(--text);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
}

.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
}

.footer {
  background: var(--text);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__section h3 {
  color: white;
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-lg);
}

.footer__section p,
.footer__section li {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-sm);
}

.footer__section ul {
  list-style: none;
}

.footer__section a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
}

.footer__section a:hover {
  color: white;
}

.footer__social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.footer__social-link:hover {
  background: var(--primary);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-2xl) 0;
  list-style: none;
}

.pagination__item {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}

.pagination__item:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.pagination__item.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--muted);
  color: var(--text);
}

.badge-primary {
  background: rgba(14, 165, 233, 0.1);
  color: var(--primary);
}

.badge-secondary {
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary);
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  background: var(--surface);
  color: var(--text-muted);
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.filter-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}

.filter-button:hover {
  background: var(--primary);
  color: white;
}

.filter-button.active {
  background: var(--primary);
  color: white;
}

@media (max-width: 640px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .top-bar__content {
    flex-direction: column;
    text-align: center;
  }

  .footer__content {
    grid-template-columns: 1fr;
  }
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}