/* ============================================
   GLOBAL RESET
   ============================================ */

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ============================================
   LAYOUT
   ============================================ */

.site-header {
  height: var(--header-height);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-light);
  position: sticky;
  top: 0;
  z-index: var(--z-index-header);
  display: flex;
  align-items: center;
}

.container {
  width: 100%;
  padding-left: var(--container-padding-desktop);
  padding-right: var(--container-padding-desktop);
  max-width: 1200px;
  margin: 0 auto;
}

.main-content {
  padding-top: 60px;
  padding-bottom: 80px;
  min-height: calc(100vh - var(--header-height) - 100px);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

.page-title {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
  margin-bottom: 40px;
  line-height: 1.2;
}

.separator-text {
  font-size: var(--font-size-base);
  color: var(--color-black);
  margin: 40px 0 20px;
}

.divider {
  border: none;
  border-top: 1px solid var(--color-gray-light);
  margin: 0 0 40px;
}

/* ============================================
   SUGGESTION BOX
   ============================================ */

.suggestion-section {
  margin-bottom: 40px;
}

.suggestion-heading {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-black);
  margin-bottom: 16px;
}

.suggestion-box {
  background-color: var(--color-gray-light);
  padding: 24px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.suggestion-country {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 200px;
}

.suggestion-country .location-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-black);
}

.suggestion-country .country-name {
  font-weight: var(--font-weight-semibold);
}

.suggestion-languages {
  display: flex;
  gap: 32px;
  align-items: center;
}

.suggestion-languages a {
  color: var(--color-black);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: var(--font-size-base);
  transition: color 0.2s ease;
}

.suggestion-languages a:hover,
.suggestion-languages a:focus {
  color: var(--color-accent-orange);
}

/* ============================================
   ACCORDION (Continent Sections)
   ============================================ */

.accordion {
  border-top: none;
}

.accordion-item {
  border-bottom: 1px solid var(--color-gray-light);
}

.accordion-header {
  width: 100%;
  background: none;
  border: none;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
  text-align: left;
  transition: color 0.2s ease;
}

.accordion-header:hover {
  color: var(--color-accent-orange);
}

.accordion-header:focus {
  outline: none;
}

.accordion-header:focus-visible {
  outline: 2px solid var(--color-accent-orange);
  outline-offset: 4px;
}

.accordion-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-content[aria-hidden="false"] {
  max-height: 2000px;
  padding-bottom: 24px;
}

/* ============================================
   COUNTRY LIST
   ============================================ */

.country-list {
  display: flex;
  flex-direction: column;
}

.country-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
}

.country-item + .country-item {
  border-top: 1px solid var(--color-gray-lighter);
}

.location-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-black);
}

.country-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
  min-width: 180px;
}

.language-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.language-links a {
  color: var(--color-black);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: var(--font-size-base);
  transition: color 0.2s ease;
}

.language-links a:hover,
.language-links a:focus {
  color: var(--color-accent-orange);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background-color: var(--color-gray-lighter);
  padding: var(--footer-padding);
  text-align: center;
  font-size: 14px;
  color: var(--color-gray-medium);
}

/* ============================================
   LOADING & ERROR STATES
   ============================================ */

.loading-text {
  color: var(--color-gray-medium);
  font-style: italic;
}

.error-text {
  color: #c62828;
}

/* Visually hidden but accessible to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .container {
    padding-left: var(--container-padding-mobile);
    padding-right: var(--container-padding-mobile);
  }

  .main-content {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .page-title {
    font-size: 32px;
  }

  .suggestion-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 12px;
  }

  .suggestion-country {
    min-width: auto;
  }

  .country-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .country-name {
    min-width: auto;
  }

  .accordion-header {
    font-size: 20px;
    padding: 24px 0;
  }

  .language-links {
    gap: 24px;
  }
}

@media (max-width: 400px) {
  .logo img {
    height: 40px;
  }

  .page-title {
    font-size: 28px;
  }
}