/* CareDeal Documentation
   Design: Warm Medical Elegance
   Palette: Ocher (#AE8127), Dark Blue (#0F2937), Beige (#e8dec6)
*/

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Core Palette */
  --white: #FFFFFF;
  --beige: #e8dec6;
  --ocher: #AE8127;
  --dark-blue: #0F2937;
  --red: #E84B25;

  /* Beige Tints */
  --beige-tint1: #F3EEE1;
  --beige-tint2: #FAF7F2;
  --beige-shade1: #D6C39B;

  /* Ocher Tints */
  --ocher-tint1: #C49D2E;
  --ocher-tint2: #D3B33C;
  --ocher-tint3: #DECA66;
  --ocher-tint4: #EAE09E;
  --ocher-glow: rgba(174, 129, 39, 0.15);

  /* Dark Blue Tints */
  --dark-blue-tint1: #2E4351;
  --dark-blue-tint2: #4D5D6B;
  --dark-blue-shade1: #0C202D;

  /* Neutrals */
  --gray-100: #F5F5F5;
  --gray-200: #E6E6E6;
  --gray-300: #D6D6D6;
  --gray-400: #B3B3B3;
  --gray-500: #8A8A8A;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-base: 250ms var(--ease-out);
  --transition-slow: 400ms var(--ease-out);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 41, 55, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 41, 55, 0.08);
  --shadow-lg: 0 8px 24px rgba(15, 41, 55, 0.12);
  --shadow-xl: 0 16px 48px rgba(15, 41, 55, 0.16);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Layout */
  --sidebar-width: 280px;
  --header-height: 72px;
  --content-max: 720px;
}

/* Reset & Base */
*, *::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-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--dark-blue);
  background: var(--beige-tint2);
  min-height: 100vh;
}

/* Subtle grain texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.02;
  pointer-events: none;
  z-index: 1000;
}

::selection {
  background: var(--ocher-tint3);
  color: var(--dark-blue);
}

/* ═══════════════════════════════════════
   HEADER
   ═══════════════════════════════════════ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.625rem;
  color: var(--dark-blue);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: var(--transition-fast);
}

.logo span {
  color: var(--ocher);
}

.logo:hover {
  opacity: 0.8;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: var(--space-xs);
  padding: 4px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
}

.lang-switcher a {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--dark-blue-tint2);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.lang-switcher a:hover {
  color: var(--dark-blue);
  background: var(--white);
}

.lang-switcher a.active {
  background: var(--white);
  color: var(--ocher);
  box-shadow: var(--shadow-sm);
}

/* ═══════════════════════════════════════
   SIDEBAR NAVIGATION
   ═══════════════════════════════════════ */

.sidebar {
  position: fixed;
  left: 0;
  top: var(--header-height);
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  padding: var(--space-xl);
  overflow-y: auto;
  z-index: 50;
}

/* Custom scrollbar */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

.nav-section {
  margin-bottom: var(--space-xl);
}

.nav-section:last-child {
  margin-bottom: 0;
}

.nav-section h3 {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-md);
}

.nav-section a {
  display: flex;
  align-items: center;
  padding: 10px var(--space-md);
  font-size: 0.9375rem;
  font-weight: 450;
  color: var(--dark-blue-tint1);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}

.nav-section a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 20px;
  background: var(--ocher);
  border-radius: 0 2px 2px 0;
  transition: var(--transition-fast);
}

.nav-section a:hover {
  color: var(--dark-blue);
  background: var(--beige-tint2);
}

.nav-section a.active {
  color: var(--ocher);
  background: var(--ocher-glow);
  font-weight: 600;
}

.nav-section a.active::before {
  transform: translateY(-50%) scaleY(1);
}

/* ═══════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════ */

.main {
  margin-left: var(--sidebar-width);
  padding: calc(var(--header-height) + var(--space-2xl)) var(--space-2xl) var(--space-3xl);
  max-width: calc(var(--sidebar-width) + var(--content-max) + var(--space-3xl) * 2);
  animation: fadeIn 0.5s var(--ease-out);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Centered layout for landing pages */
.main.centered {
  margin-left: 0;
  max-width: 1100px;
  margin: 0 auto;
  padding-top: calc(var(--header-height) + var(--space-3xl));
}

/* Typography */
.main h1 {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 400;
  color: var(--dark-blue);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
  position: relative;
}

.main h1::after {
  content: '';
  display: block;
  width: 64px;
  height: 4px;
  background: linear-gradient(90deg, var(--ocher), var(--ocher-tint2));
  border-radius: 2px;
  margin-top: var(--space-md);
}

.main h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--dark-blue);
  line-height: 1.3;
  margin: var(--space-2xl) 0 var(--space-md);
  letter-spacing: -0.01em;
}

.main h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--dark-blue);
  line-height: 1.4;
  margin: var(--space-xl) 0 var(--space-sm);
}

.main h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ocher);
  margin-bottom: var(--space-sm);
}

.main p {
  margin-bottom: var(--space-md);
  color: var(--dark-blue-tint1);
}

.main ul, .main ol {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.main li {
  margin-bottom: var(--space-sm);
  color: var(--dark-blue-tint1);
}

.main li::marker {
  color: var(--ocher);
}

.main a {
  color: var(--ocher);
  text-decoration: none;
  border-bottom: 1px solid var(--ocher-tint3);
  transition: var(--transition-fast);
}

.main a:hover {
  color: var(--ocher-tint1);
  border-color: var(--ocher);
}

/* ═══════════════════════════════════════
   STEP COMPONENTS
   ═══════════════════════════════════════ */

.step {
  display: flex;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
}

.step:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--ocher-tint3);
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--ocher), var(--ocher-tint1));
  color: var(--white);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(174, 129, 39, 0.3);
}

.step-content {
  flex: 1;
  padding-top: 6px;
}

.step-content strong {
  display: block;
  font-weight: 600;
  color: var(--dark-blue);
  margin-bottom: var(--space-xs);
}

/* ═══════════════════════════════════════
   CARDS & BOXES
   ═══════════════════════════════════════ */

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
}

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

.card h4 {
  font-size: 1.0625rem;
  color: var(--dark-blue);
  margin-bottom: var(--space-sm);
}

/* FAQ Cards - Redesigned for clarity */
.faq-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
  overflow: hidden;
}

.faq-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--ocher-tint3);
}

/* Question header - prominent styling */
.faq-question {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  background: linear-gradient(135deg, var(--beige-tint2), var(--beige-tint1));
  border-bottom: 1px solid var(--gray-200);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--dark-blue);
  line-height: 1.4;
}

.faq-icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  line-height: 1;
}

/* Answer section - clean white background */
.faq-answer {
  padding: var(--space-lg) var(--space-xl);
}

.faq-answer p {
  margin-bottom: var(--space-sm);
  color: var(--dark-blue-tint1);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer ul {
  margin: var(--space-sm) 0;
  padding-left: var(--space-xl);
}

.faq-answer li {
  margin-bottom: var(--space-xs);
  color: var(--dark-blue-tint1);
}

/* Solution label - green accent */
.faq-solution-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  margin: var(--space-md) 0 var(--space-sm);
  background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
  color: #2E7D32;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border-left: 3px solid #4CAF50;
}

/* Causes label - amber/orange accent */
.faq-causes-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  margin: var(--space-sm) 0;
  background: linear-gradient(135deg, #FFF8E1, #FFECB3);
  color: #E65100;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border-left: 3px solid #FF9800;
}

/* Legacy h4 support for backwards compatibility */
.faq-card h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-blue);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.faq-card > ul {
  margin: 0;
  padding: 0 var(--space-xl) var(--space-lg) calc(var(--space-xl) + var(--space-lg));
}

.faq-card > ul li {
  margin-bottom: var(--space-xs);
  color: var(--dark-blue-tint1);
}

.info-box {
  background: linear-gradient(135deg, var(--beige-tint2), var(--beige-tint1));
  border-left: 4px solid var(--ocher);
  padding: var(--space-lg) var(--space-xl);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-lg) 0;
  position: relative;
}

.info-box::before {
  content: '💡';
  position: absolute;
  left: var(--space-lg);
  top: var(--space-md);
  font-size: 1.25rem;
}

.info-box {
  padding-left: calc(var(--space-xl) + 2rem);
}

.warning-box {
  background: linear-gradient(135deg, #FEF7F5, #FDEBE6);
  border-left: 4px solid var(--red);
  padding: var(--space-lg) var(--space-xl);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-lg) 0;
  position: relative;
}

.warning-box::before {
  content: '⚠️';
  position: absolute;
  left: var(--space-lg);
  top: var(--space-md);
  font-size: 1.25rem;
}

.warning-box {
  padding-left: calc(var(--space-xl) + 2rem);
}

/* ═══════════════════════════════════════
   DOC GRID & CARDS
   ═══════════════════════════════════════ */

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.doc-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.doc-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ocher), var(--ocher-tint2));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

.doc-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--ocher-tint3);
}

.doc-card:hover::before {
  transform: scaleX(1);
}

.doc-card h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--dark-blue);
  margin: 0 0 var(--space-sm);
  line-height: 1.3;
}

.doc-card p {
  font-size: 0.9375rem;
  color: var(--dark-blue-tint2);
  margin: 0;
  line-height: 1.6;
}

/* Status badges for UC cards */
.doc-card[href^="uc"] h3::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--ocher);
  border-radius: 50%;
  margin-right: var(--space-sm);
  vertical-align: middle;
}

/* ═══════════════════════════════════════
   CODE & TECHNICAL
   ═══════════════════════════════════════ */

code {
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 0.875em;
  background: var(--beige-tint1);
  padding: 0.2em 0.5em;
  border-radius: var(--radius-sm);
  color: var(--dark-blue);
}

pre {
  background: var(--dark-blue);
  color: var(--beige-tint1);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--space-lg) 0;
  font-size: 0.875rem;
  line-height: 1.6;
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ═══════════════════════════════════════
   TABLE OF CONTENTS
   ═══════════════════════════════════════ */

.toc {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  border: 1px solid var(--gray-200);
}

.toc h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin-bottom: var(--space-md);
}

.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
}

.toc li {
  counter-increment: toc;
  margin-bottom: var(--space-xs);
}

.toc a {
  display: flex;
  align-items: center;
  padding: var(--space-sm) 0;
  color: var(--dark-blue-tint1);
  text-decoration: none;
  border: none;
  transition: var(--transition-fast);
}

.toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ocher);
  margin-right: var(--space-md);
  min-width: 24px;
}

.toc a:hover {
  color: var(--ocher);
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */

.footer {
  margin-left: var(--sidebar-width);
  padding: var(--space-xl) var(--space-2xl);
  border-top: 1px solid var(--gray-200);
  background: var(--white);
}

.footer p {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin: 0;
}

.footer.centered {
  margin-left: 0;
  text-align: center;
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */

@media (max-width: 1024px) {
  :root {
    --sidebar-width: 240px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    display: none;
  }

  .main,
  .footer {
    margin-left: 0;
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-lg) var(--space-2xl);
    max-width: 100%;
  }

  .main.centered {
    padding-top: calc(var(--header-height) + var(--space-xl));
  }

  .main h1 {
    font-size: 2rem;
  }

  .main h2 {
    font-size: 1.5rem;
  }

  .header-content {
    padding: 0 var(--space-lg);
  }

  .lang-switcher {
    gap: 2px;
    padding: 3px;
  }

  .lang-switcher a {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }

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

  .step {
    padding: var(--space-md);
  }
}

/* ═══════════════════════════════════════
   PRINT STYLES
   ═══════════════════════════════════════ */

@media print {
  .header,
  .sidebar,
  .lang-switcher {
    display: none;
  }

  .main {
    margin: 0;
    padding: 2cm;
    max-width: 100%;
  }

  .main h1::after {
    display: none;
  }

  .card,
  .doc-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* ═══════════════════════════════════════
   ACCESSIBILITY
   ═══════════════════════════════════════ */

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

:focus-visible {
  outline: 2px solid var(--ocher);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--dark-blue);
  color: var(--white);
  font-weight: 600;
  z-index: 1000;
}

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