/* ========================================
   CSS Variables – Biidaasige Cedar-Slate Editorial
   ======================================== */
:root {
  --color-primary: #1F6B5B;
  --color-secondary: #2E3A59;
  --color-accent: #C46A2B;
  --color-bg: #F6F2EA;
  --color-surface: #FFFFFF;
  --color-text: #1B1E24;
  --color-muted: #5B6472;
  --color-border: #D7D0C4;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(27,30,36,0.10);
  --space: 1rem;
  --maxw: 72rem;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}

/* ========================================
   Base & Reset
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========================================
   Typography – Mobile-first with clamp()
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-top: 2rem;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: 1.25rem;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

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

a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

strong {
  font-weight: 700;
  color: var(--color-secondary);
}

ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
}

li {
  margin-bottom: 0.5rem;
}

/* ========================================
   Layout – CSS Grid main columns
   ======================================== */
.container {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

main {
  min-height: 60vh;
  padding-top: 2rem;
  padding-bottom: 3rem;
}

/* ========================================
   Header – Flexbox for nav/footer clusters
   ======================================== */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  padding: 1.25rem 0;
  box-shadow: var(--shadow);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-branding .site-name {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
}

.main-nav a {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-accent);
}

/* ========================================
   Breadcrumbs
   ======================================== */
.breadcrumbs {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
  font-size: 0.9rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
}

.breadcrumbs li::after {
  content: "/";
  margin-left: 0.5rem;
  color: var(--color-muted);
}

.breadcrumbs li:last-child::after {
  content: "";
}

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

.breadcrumbs a:hover {
  text-decoration: underline;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-surface);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.95rem;
  margin-top: 3rem;
}

.site-footer p {
  margin: 0;
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 3px solid var(--color-primary);
}

/* ========================================
   Content Sections
   ======================================== */
.content-section {
  background-color: var(--color-surface);
  padding: 2rem;
  margin-bottom: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

@media (min-width: 768px) {
  .content-section {
    padding: 2.5rem;
  }
}

/* ========================================
   Tables – sticky header, zebra striping
   ======================================== */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

caption {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-secondary);
  text-align: left;
  padding: 1rem;
  background-color: var(--color-bg);
}

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

@media (min-width: 1024px) {
  thead {
    position: sticky;
    top: 0;
    z-index: 10;
  }
}

th {
  font-family: var(--font-sans);
  font-weight: 700;
  text-align: left;
  padding: 1rem;
  border-bottom: 2px solid var(--color-border);
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}

tbody tr:nth-child(even) {
  background-color: var(--color-bg);
}

tbody tr:hover {
  background-color: #EDE8DC;
}

/* ========================================
   Details/Summary – accordion with hover and open-state emphasis
   ======================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease;
}

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

.faq-item[open] {
  border-color: var(--color-accent);
  border-width: 3px;
}

.faq-item summary {
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-secondary);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "+";
  font-size: 1.5rem;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::before {
  content: "−";
  transform: rotate(90deg);
}

.faq-item summary:hover {
  color: var(--color-accent);
}

.faq-item summary h2 {
  margin: 0;
  font-size: 1.25rem;
}

.faq-answer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

/* ========================================
   Blockquote – callout with left border and subtle surface shadow
   ======================================== */
blockquote {
  background-color: var(--color-surface);
  border-left: 5px solid var(--color-accent);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-style: italic;
  color: var(--color-muted);
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* ========================================
   Responsive Breakpoints
   ======================================== */
@media (min-width: 768px) {
  body {
    font-size: 1.125rem;
  }

  .site-header .container {
    flex-wrap: nowrap;
  }

  .main-nav ul {
    gap: 2rem;
  }

  main {
    padding-top: 3rem;
    padding-bottom: 4rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .content-section {
    padding: 3rem;
  }
}

/* ========================================
   Accessibility – focus-visible ring
   ======================================== */
button:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
  body {
    background-color: white;
    color: black;
  }

  .site-header,
  .site-footer,
  .breadcrumbs {
    display: none;
  }

  a {
    text-decoration: underline;
    color: black;
  }

  .content-section {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}