:root {
  --primary: #0EA5E9;
  --secondary: #10B981;
  --text: #0B1220;
  --surface: #F8FAFC;
  --muted: #E2E8F0;
  --white: #FFFFFF;
  --border: #CBD5E1;
  --hover: #0284C7;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;

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

  --font-sans: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.9rem + 0.2vw, 1.125rem);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--white);
}

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

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

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

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary);
  color: var(--white);
  font-weight: var(--font-weight-semibold);
  z-index: 9999;
}

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

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

.header-top {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-xs) 0;
  font-size: 0.875rem;
}

.header-info {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.header-info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
}

.header-info-item .icon {
  color: var(--primary);
}

.navbar {
  background: var(--white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.navbar-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: clamp(1rem, 0.9rem + 0.3vw, 1.25rem);
  font-weight: var(--font-weight-bold);
  color: var(--text);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: clamp(0.75rem, 0.7rem + 0.1vw, 0.875rem);
  color: var(--primary);
  font-weight: var(--font-weight-medium);
}

.navbar-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

.navbar-toggle:hover span {
  background: var(--primary);
}

.navbar-menu {
  display: none;
  list-style: none;
}

@media (min-width: 1024px) {
  .navbar-brand {
    width: auto;
  }

  .navbar-toggle {
    display: none;
  }

  .navbar-menu {
    display: flex;
    gap: var(--spacing-xs);
  }

  .navbar-menu a {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-medium);
    font-size: 0.9375rem;
    color: var(--text);
    transition: var(--transition);
  }

  .navbar-menu a:hover,
  .navbar-menu a.active {
    background: var(--surface);
    color: var(--primary);
  }
}

@media (max-width: 1023px) {
  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    padding: var(--spacing-xl) var(--spacing-md);
    box-shadow: var(--shadow-xl);
    flex-direction: column;
    transition: right var(--transition);
    overflow-y: auto;
  }

  .navbar-menu.active {
    display: flex;
    right: 0;
  }

  .navbar-menu a {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border);
    font-weight: var(--font-weight-medium);
    color: var(--text);
  }

  .navbar-menu a.active {
    color: var(--primary);
    background: var(--surface);
  }
}

.hero {
  position: relative;
  min-height: clamp(400px, 60vh, 600px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.9) 0%, rgba(16, 185, 129, 0.85) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--white);
  padding: var(--spacing-xl) 0;
}

.hero-title {
  font-size: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: clamp(1rem, 0.9rem + 0.4vw, 1.375rem);
  line-height: 1.5;
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 0.7rem + 0.2vw, 1rem) clamp(1.5rem, 1.3rem + 0.4vw, 2rem);
  font-size: clamp(0.9375rem, 0.9rem + 0.1vw, 1.0625rem);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

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

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

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

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

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

.section {
  padding: clamp(3rem, 2.5rem + 2vw, 5rem) 0;
}

.section-alt {
  background: var(--surface);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.section-title {
  font-size: clamp(1.75rem, 1.5rem + 1vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--text);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.section-subtitle {
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  color: #64748B;
  line-height: 1.6;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  border: 1px solid transparent;
}

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

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

.card-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  color: var(--white);
}

.card-title {
  font-size: clamp(1.125rem, 1.05rem + 0.3vw, 1.375rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.card-text {
  color: #64748B;
  line-height: 1.6;
}

.card-news {
  padding: 0;
  overflow: hidden;
}

.card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

.card-news:hover .card-image img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--primary);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-date {
  display: block;
  font-size: 0.875rem;
  color: #94A3B8;
  margin-bottom: var(--spacing-xs);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: var(--spacing-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--primary);
}

.card-link:hover {
  gap: 0.5rem;
}

.card-testimonial {
  position: relative;
  padding: var(--spacing-xl);
}

.testimonial-quote {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
}

.testimonial-text {
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  font-style: italic;
  color: #475569;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.testimonial-author strong {
  color: var(--text);
  font-weight: var(--font-weight-semibold);
}

.testimonial-author span {
  font-size: 0.875rem;
  color: #94A3B8;
}

.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.table {
  width: 100%;
  background: var(--white);
  border-collapse: collapse;
}

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

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table th {
  font-weight: var(--font-weight-semibold);
  font-size: 0.9375rem;
}

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

.table tbody tr:last-child td {
  border-bottom: none;
}

@media (max-width: 767px) {
  .table thead {
    display: none;
  }

  .table tr {
    display: block;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
  }

  .table td {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm);
  }

  .table td:before {
    content: attr(data-label);
    font-weight: var(--font-weight-semibold);
    color: var(--text);
  }
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 1.0625rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text);
  transition: var(--transition);
}

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

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

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.faq-answer p {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: #64748B;
  line-height: 1.7;
}

.alert-banner {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: var(--spacing-md);
  position: relative;
}

.alert-banner .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.alert-icon {
  flex-shrink: 0;
}

.alert-close {
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  margin-left: auto;
  padding: 0.25rem 0.5rem;
  transition: var(--transition);
  line-height: 1;
}

.alert-close:hover {
  opacity: 0.8;
}

.footer {
  background: var(--text);
  color: #E2E8F0;
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.footer-brand h3 {
  font-size: 1.125rem;
  color: var(--white);
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.0625rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-col a {
  color: #CBD5E1;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 0.25rem;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.footer-contact .icon {
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 0.25rem;
}

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

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

.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  color: #CBD5E1;
}

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

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 90;
}

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

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

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

.breadcrumb {
  padding: var(--spacing-md) 0;
  font-size: 0.875rem;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  margin-left: 0.5rem;
  color: #94A3B8;
}

.breadcrumb a {
  color: #64748B;
}

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

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

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

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

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

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

.form-checkbox input {
  margin-top: 0.25rem;
}

.form-error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.toast.show {
  opacity: 1;
  visibility: visible;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--error);
}