/* ═══════════════════════════════════════════════════════════════
   Home Healers — Professional Healthcare Design System
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Crimson+Pro:wght@400;500;600&display=swap');

/* CSS Variables */
:root {
  --color-bg-deep: #0c1222;
  --color-bg-card: #141d2f;
  --color-bg-elevated: #1a2540;
  --color-accent-primary: #22c997;
  --color-accent-secondary: #3b82f6;
  --color-accent-warm: #f59e0b;
  --color-accent-danger: #ef4444;
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-glow: rgba(34, 201, 151, 0.15);
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Crimson Pro', Georgia, serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px var(--color-glow);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Body & Background */
body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-text-primary);
  background: var(--color-bg-deep);
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(34, 201, 151, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-bg-deep) 0%, #0f172a 100%);
  pointer-events: none;
  z-index: -1;
}

/* Container */
.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 60px 40px;
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header */
header {
  text-align: center;
  margin-bottom: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent-primary), transparent);
}

/* Logo/Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.brand-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: var(--shadow-glow);
}

/* Typography */
h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 8px;
}

h1 span {
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 48px 0 20px;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent-primary);
  letter-spacing: -0.01em;
}

h2:first-of-type {
  margin-top: 0;
}

h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-accent-primary);
  margin: 32px 0 16px;
}

/* Paragraphs */
p {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

p strong {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Last Updated Badge */
.last-updated {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-bg-elevated);
  padding: 8px 16px;
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.last-updated::before {
  content: '📅';
}

/* Navigation */
nav {
  margin-top: 24px;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

nav ul li {
  margin: 0;
}

nav ul li a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

nav ul li a:hover {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  color: var(--color-bg-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(34, 201, 151, 0.25);
}

/* Links in content */
a {
  color: var(--color-accent-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--transition-smooth);
}

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

/* Lists */
ul, ol {
  margin: 0 0 24px 24px;
}

li {
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  padding-left: 8px;
}

li::marker {
  color: var(--color-accent-primary);
}

/* Definition List Styling */
.definition-list {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 24px 0;
  border: 1px solid var(--color-border);
}

.definition-list dt {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-accent-primary);
  margin-bottom: 6px;
}

.definition-list dd {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 2px solid var(--color-border);
}

.definition-list dd:last-child {
  margin-bottom: 0;
}

/* Info Cards */
.info-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 24px 0;
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
}

.info-card.warning::before {
  background: var(--color-accent-warm);
}

.info-card.danger::before {
  background: var(--color-accent-danger);
}

/* Buttons */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
}

button, .btn-primary {
  background: linear-gradient(135deg, var(--color-accent-primary), #1aa87c);
  color: var(--color-bg-deep);
  box-shadow: 0 4px 15px rgba(34, 201, 151, 0.3);
}

button:hover, .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(34, 201, 151, 0.4);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-accent-danger), #dc2626);
  color: white;
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

/* Forms */
form {
  margin-top: 32px;
}

input, textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text-primary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-smooth);
  margin-bottom: 16px;
}

input:focus, textarea:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(34, 201, 151, 0.15);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-muted);
}

label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

/* Success State */
.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  box-shadow: var(--shadow-glow);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(34, 201, 151, 0.4);
  }
  50% {
    box-shadow: 0 0 0 20px rgba(34, 201, 151, 0);
  }
}

/* Contact Info */
.contact-info {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  padding: 28px;
  margin: 24px 0;
  border: 1px solid var(--color-border);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-item:first-child {
  padding-top: 0;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

/* Table of Contents */
.toc {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 32px 0;
  border: 1px solid var(--color-border);
}

.toc-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.toc li {
  counter-increment: toc-counter;
  margin-bottom: 8px;
  padding-left: 0;
}

.toc li::before {
  content: counter(toc-counter) ".";
  color: var(--color-accent-primary);
  font-family: var(--font-display);
  font-weight: 600;
  margin-right: 8px;
}

.toc a {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

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

/* Footer */
footer {
  margin-top: 60px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-text {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

/* Section Divider */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: 48px 0;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 40px 24px;
    margin: 0;
    border-radius: 0;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
  }

  nav ul li a {
    width: 200px;
    justify-content: center;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-elevated);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Selection */
::selection {
  background: var(--color-accent-primary);
  color: var(--color-bg-deep);
}