/*
 * Main stylesheet for FeriadosLegales.cl
 *
 * This file defines a modern, responsive and accessible design with
 * optimized CSS for fast loading. The layout uses CSS variables to
 * centralize colours and spacing. Elements are structured with
 * mobile‑first principles and scale gracefully on larger screens. Tables
 * are wrapped in a scroll container to prevent horizontal overflow on
 * small devices.
 */

/* CSS Variables for easy theming */
:root {
  --color-primary: #d32f2f; /* Chilean red */
  --color-secondary: #0d47a1; /* Chilean blue */
  --color-accent: #fafafa; /* light background */
  --color-dark: #212121;
  --color-light: #ffffff;
  --color-gray: #f5f5f5;
  --color-border: #e0e0e0;
  --radius: 0.5rem;
  --font-base: 'Poppins', sans-serif;
  --transition-fast: 0.2s ease-in-out;
}

/* Reset some default styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-base);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-accent);
}
a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover,
a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-secondary);
  color: var(--color-light);
  padding: 0.5rem 1rem;
  z-index: 100;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 0;
}

/* Navigation bar */
.site-header {
  position: relative;
  background-color: var(--color-dark);
  color: var(--color-light);
}
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
}
.nav-brand a {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-light);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-light);
  font-size: 1.5rem;
}
.nav-list {
  list-style: none;
  display: flex;
  gap: 1rem;
}
.nav-list a {
  color: var(--color-light);
  font-weight: 500;
}
.nav-list a:hover,
.nav-list a:focus {
  color: var(--color-primary);
}

/* Responsive navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-list {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-dark);
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-fast);
    z-index: 50;
  }
  .nav-list.open {
    max-height: 300px;
  }
  .nav-list li {
    width: 100%;
  }
  .nav-list li a {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
  }
}

/* Hero section */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--color-light);
  background-color: var(--color-secondary);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
  z-index: -1;
}
.hero-content {
  max-width: 800px;
}
.hero-content h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}
.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 600;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-light);
}
.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-secondary);
}
.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-light);
  margin-right: 0.5rem;
}
.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-primary);
}

/* Sections */
.section {
  padding: 3rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

/* Calendar tabs */
.calendar-tabs {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.calendar-tabs .tab-button {
  flex: 1 1 150px;
  padding: 0.5rem;
  margin-right: 0.5rem;
  background-color: var(--color-gray);
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}
.calendar-tabs .tab-button.active {
  background-color: var(--color-primary);
  color: var(--color-light);
}
.calendar-tabs .tab-button:focus {
  outline: 2px solid var(--color-secondary);
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}
.table-wrapper {
  overflow-x: auto;
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-light);
}
.holiday-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.holiday-table caption {
  padding: 0.75rem;
  font-weight: 600;
  text-align: left;
  background-color: var(--color-gray);
}
.holiday-table th,
.holiday-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.holiday-table tbody tr:nth-child(even) {
  background-color: var(--color-gray);
}

.calendar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

/* Accordion */
.accordion {
  border-top: 1px solid var(--color-border);
}
.accordion-item + .accordion-item {
  border-top: 1px solid var(--color-border);
}
.accordion-header {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--color-secondary);
}
.accordion-header:focus {
  outline: 2px solid var(--color-primary);
}
.accordion-body {
  padding: 0 1rem 1rem;
  display: none;
}
.accordion-body p {
  margin-top: 0.5rem;
}
.accordion-item.open .accordion-body {
  display: block;
}
.accordion-item.open .accordion-header .icon i {
  transform: rotate(180deg);
}

/* Cards */
.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.card {
  background-color: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.card-content {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}
.card-content p {
  flex: 1;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.card-link {
  font-weight: 600;
  color: var(--color-secondary);
}

/* Footer */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: 2rem 1rem;
  margin-top: 3rem;
}
.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 1200px;
  margin: 0 auto 1rem;
}
.footer-brand {
  font-weight: 700;
  margin-bottom: 1rem;
}
.footer-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-nav a {
  color: var(--color-light);
}
.social-links a {
  color: var(--color-light);
  margin-right: 1rem;
  font-size: 1.25rem;
}
.footer-meta {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.8rem;
  text-align: center;
  line-height: 1.4;
}

/* Utilities */
.hidden {
  display: none !important;
}