/* ==========================================================================
   Microdose Guide — Design System: The Tactile Editorial
   Warm linen, deep moss ink, morning light through forest canopy.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,200..800;1,6..72,200..800&family=Manrope:wght@200..800&display=swap');

/* --- Tokens --- */
:root {
  --canvas: #fcf9f4;
  --ink: #182519;
  --ink-container: #2d3b2d;
  --stone: #685d4a;
  --clay: #3b1800;
  --clay-container: #582b0a;
  --clay-light: #feb78b;
  --clay-bg: #ffdbc8;
  --linen: #f6f3ee;
  --sand: #f0ede9;
  --parchment: #ebe8e3;
  --bone: #e5e2dd;
  --outline: #747872;
  --outline-light: #c4c8c0;
  --on-ink: #ffffff;
  --on-ink-muted: #95a593;
  --earth-bg: #eeddc6;
  --earth-text: #6d614e;
  --moss: #d7e7d3;
  --moss-dim: #bbcbb8;
  --error: #ba1a1a;
  --error-bg: #ffdad6;
  --success: #4A7C59;
  --success-bg: #d7e7d3;
  --warning: #D4A843;
  --warning-bg: #fef3d7;
  --font-headline: 'Newsreader', Georgia, serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --shadow-card: 0 12px 24px rgba(28, 28, 25, 0.05);
  --shadow-lg: 0 20px 40px rgba(28, 28, 25, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-w: 260px;

  /* Compat aliases for inline styles */
  --primary: var(--ink-container);
  --accent: var(--clay-light);
  --danger: var(--error);
  --danger-bg: var(--error-bg);
  --glass: var(--linen);
  --glass-strong: var(--outline-light);
  --text-secondary: var(--stone);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 700; }
::selection { background: var(--moss); color: var(--ink); }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-headline); font-weight: 400; line-height: 1.2; }
h1 { font-size: 3rem; font-style: italic; letter-spacing: -0.02em; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 0.75rem; margin-top: 3rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; margin-top: 2rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1.25rem; }
ul, ol { margin-bottom: 1.25rem; padding-left: 1.5rem; }
li { margin-bottom: 0.4rem; }
li::marker { color: var(--stone); }

/* --- Sidebar --- */
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(24, 37, 25, 0.4); z-index: 90; backdrop-filter: blur(4px);
}
.sidebar-overlay.open { display: block; }

.sidebar {
  position: fixed; left: 0; top: 0;
  width: var(--sidebar-w); height: 100vh;
  background: var(--ink-container);
  z-index: 100; display: flex; flex-direction: column;
  padding: 1.25rem 1.5rem; overflow-y: auto;
  transition: transform 0.3s ease;
}
.sidebar-logo {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 2.5rem; text-decoration: none;
}
.sidebar-mushroom { font-size: 1.75rem; filter: grayscale(0.3); }
.sidebar-title {
  font-family: var(--font-headline); font-style: italic;
  font-size: 1.05rem; color: var(--canvas); line-height: 1.2; white-space: nowrap;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 1.5rem; }
.sidebar-group { display: flex; flex-direction: column; gap: 0.125rem; }
.sidebar-label {
  font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.25em; color: rgba(255,255,255,0.35);
  padding: 0 1rem; margin-bottom: 0.375rem;
  cursor: default; pointer-events: none;
}
.sidebar-nav a {
  display: block; padding: 0.5rem 1rem; font-size: 0.875rem;
  color: rgba(252, 249, 244, 0.65); border-radius: var(--radius-sm);
  transition: all 0.2s; border-left: 2px solid transparent;
}
.sidebar-nav a:hover { color: var(--canvas); background: rgba(252, 249, 244, 0.06); }
.sidebar-nav a.active {
  color: var(--canvas); font-weight: 600;
  border-left-color: var(--clay-light); background: rgba(252, 249, 244, 0.08);
}
.sidebar-faq { margin-top: 0.5rem; font-weight: 600 !important; }

/* --- Layout --- */
.site-content { margin-left: var(--sidebar-w); min-height: 100vh; }

.site-header {
  display: none;
}
.site-header .container {
  display: flex; align-items: center; gap: 1rem; padding: 1rem 3rem;
}
.site-logo {
  font-family: var(--font-headline); font-style: italic;
  font-size: 1.25rem; color: var(--ink);
}
.sidebar-toggle { display: none; }

/* --- Language Toggle (not sticky on mobile) --- */
.lang-toggle {
  position: absolute; top: 1.25rem; right: 1.5rem; z-index: 60;
  display: flex; align-items: center;
  background: rgba(252, 249, 244, 0.9); backdrop-filter: blur(10px);
  border: 1px solid var(--outline-light); border-radius: 100px;
  padding: 0.25rem; gap: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.lang-toggle a {
  display: block; padding: 0.35rem 0.75rem;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.05em;
  text-transform: uppercase; text-decoration: none;
  color: var(--stone); border-radius: 100px;
  transition: all 0.2s;
}
.lang-toggle a:hover { color: var(--ink); }
.lang-toggle a.active {
  background: var(--ink); color: var(--canvas);
  pointer-events: none;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 3rem; }
.container--narrow { max-width: 760px; }

/* --- Hero --- */
.hero {
  padding: 5rem 0 4rem; text-align: center;
  background: var(--ink);
  border-bottom: 3px solid var(--moss);
  position: relative;
}
.hero::before {
  content: ''; position: absolute; inset: 0; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 30h60M30 0v60' stroke='%23fff' stroke-width='.5' fill='none'/%3E%3C/svg%3E");
}
.hero-kicker {
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.4em; color: var(--moss); display: inline-block;
  border: 1px solid var(--moss); padding: 0.35rem 1.25rem; border-radius: 2px;
  margin-bottom: 1rem;
}
.hero h1 { font-size: 3.25rem; max-width: 700px; margin: 1.25rem auto 0; line-height: 1.15; color: var(--canvas); }
.hero .subtitle {
  font-size: 1.15rem; color: rgba(252, 249, 244, 0.55);
  max-width: 520px; margin: 1.5rem auto 0; line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-block; padding: 0.75rem 1.75rem;
  font-family: var(--font-body); font-size: 0.875rem; font-weight: 600;
  border-radius: var(--radius-sm); cursor: pointer;
  transition: all 0.2s; border: none; text-decoration: none;
}
.btn-primary {
  background: var(--ink); color: var(--on-ink); box-shadow: var(--shadow-card);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-outline {
  background: transparent; color: var(--ink); border: 1.5px solid var(--outline-light);
}
.btn-outline:hover { border-color: var(--ink); }
.btn-lg { padding: 1rem 2rem; font-size: 1rem; }

/* --- Sections --- */
.section { padding: 3rem 0; }
.section--alt { background: var(--linen); }

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--canvas); padding: 2rem; border-radius: var(--radius);
  border: 1px solid rgba(28, 28, 25, 0.1);
  box-shadow: var(--shadow-card); transition: all 0.25s;
}
.section--alt .card { background: #fff; }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: rgba(28, 28, 25, 0.18); }
.card-icon {
  display: flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; border-radius: 50%;
  background: var(--linen); font-size: 1.25rem; margin-bottom: 1rem;
}
.card h3 { font-size: 1.25rem; margin-top: 0; margin-bottom: 0.5rem; }
.card h4 { margin-top: 0; }
.card ul { font-size: 0.9rem; color: var(--stone); }
.card p { font-size: 0.95rem; color: var(--stone); }

/* --- Steps --- */
.steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2rem; counter-reset: step;
}
.step { position: relative; padding-right: 2rem; }
.step:not(:last-child) { border-right: 1px solid var(--outline-light); }
.step-number {
  font-family: var(--font-headline); font-style: italic;
  font-size: 3rem; color: var(--clay-light); line-height: 1; margin-bottom: 0.75rem;
}
.step h4 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.step p { color: var(--stone); font-size: 0.95rem; }

/* --- CTA --- */
.cta-section {
  text-align: center; padding: 3rem; background: var(--ink-container);
  border-radius: var(--radius); color: var(--canvas); margin-top: 3rem;
}
.cta-section h2 { color: var(--canvas); margin-top: 0; }
.cta-section p { color: var(--on-ink-muted); margin-bottom: 1.5rem; }
.cta-section .btn-primary { background: var(--canvas); color: var(--ink); }
.cta-section .btn-primary:hover { background: var(--moss); }

/* --- Callouts --- */
.callout {
  padding: 1.5rem 2rem; border-radius: var(--radius); margin: 1.5rem 0;
  font-size: 0.95rem; line-height: 1.6;
  border-left: 4px solid var(--outline-light); background: var(--linen);
}
.callout p { margin-bottom: 0.75rem; }
.callout p:last-child { margin-bottom: 0; }
.callout ul { margin-bottom: 0; }
.callout-title { font-family: var(--font-headline); font-weight: 600; margin-bottom: 0.5rem; }
.callout-info { border-left-color: var(--ink-container); background: var(--linen); }
.callout-warning { border-left-color: var(--warning); background: var(--warning-bg); }
.callout-danger { border-left-color: var(--error); background: var(--error-bg); }
.callout-success { border-left-color: var(--success); background: var(--success-bg); }

/* --- Tables --- */
.table-wrapper {
  overflow-x: auto; margin: 1.5rem 0;
  border-radius: var(--radius); box-shadow: var(--shadow-card);
}
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; background: #fff; }
thead { background: var(--ink); color: var(--on-ink); }
th {
  padding: 0.875rem 1.25rem; text-align: left;
  font-family: var(--font-body); font-weight: 700;
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em;
}
td { padding: 0.875rem 1.25rem; border-bottom: 1px solid var(--bone); }
tr:last-child td { border-bottom: none; }
tr:hover { background: var(--linen); }
.table-highlight { background: var(--linen); }

/* --- Badges --- */
.badge {
  display: inline-block; padding: 0.2rem 0.6rem; border-radius: 9999px;
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
}
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-primary { background: var(--moss); color: var(--ink); }
.badge-warning { background: var(--warning-bg); color: #8a6d00; }
.badge-danger { background: var(--error-bg); color: var(--error); }

/* --- Blockquote --- */
blockquote {
  padding: 1.5rem 2rem; margin: 2rem 0;
  border-left: 4px solid var(--clay-light);
  font-family: var(--font-headline); font-style: italic; font-size: 1.25rem;
  color: var(--ink); background: var(--linen);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* --- Quote Cards --- */
.quote-card {
  padding: 1.5rem 2rem; margin-bottom: 1rem;
  font-family: var(--font-headline); font-style: italic; font-size: 1.125rem;
  color: var(--ink); background: var(--linen); border-radius: var(--radius);
  border-left: 3px solid var(--clay-light);
}

/* --- Numbered Steps --- */
.numbered-steps { counter-reset: step; list-style: none; padding-left: 0; }
.numbered-steps li {
  counter-increment: step; padding: 1.25rem 1.5rem 1.25rem 4rem;
  position: relative; margin-bottom: 0.75rem;
  background: var(--linen); border-radius: var(--radius);
}
.numbered-steps li::before {
  content: counter(step); position: absolute; left: 1.25rem; top: 1.25rem;
  font-family: var(--font-headline); font-style: italic;
  font-size: 1.25rem; color: var(--clay-light); font-weight: 600;
}

/* --- Timeline --- */
.timeline { margin: 2rem 0; }
.timeline-item {
  padding: 1.5rem 2rem; margin-bottom: 0.5rem;
  border-left: 3px solid var(--outline-light); position: relative;
  background: var(--linen); border-radius: 0 var(--radius) var(--radius) 0;
}
.timeline-item::before {
  content: ''; position: absolute; left: -7px; top: 1.75rem;
  width: 10px; height: 10px; background: var(--ink-container);
  border-radius: 50%; border: 2px solid var(--canvas);
}
.timeline-time {
  font-family: var(--font-headline); font-weight: 600;
  font-size: 1rem; color: var(--ink); margin-bottom: 0.375rem;
}
.timeline-text { color: var(--stone); font-size: 0.95rem; }
.timeline-text p { margin-bottom: 0; }

/* --- Protocol Cards --- */
.protocol-card {
  padding: 2.5rem; margin-bottom: 2.5rem;
  background: var(--linen); border-radius: var(--radius); box-shadow: var(--shadow-card);
}
.protocol-header {
  display: flex; align-items: center; gap: 1rem;
  flex-wrap: wrap; margin-bottom: 0.75rem;
}
.protocol-header h2 { margin: 0; }

/* --- Calendar --- */
.calendar {
  display: grid; grid-template-columns: repeat(7, 1fr);
  gap: 4px; margin: 1rem 0;
}
.calendar-header {
  text-align: center; font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--stone); padding: 0.5rem;
}
.calendar-day {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); font-size: 0.8rem; font-weight: 600;
}
.calendar-day--dose { background: var(--ink-container); color: var(--on-ink); }
.calendar-day--transition { background: var(--moss); color: var(--ink); }
.calendar-day--rest { background: var(--bone); color: var(--stone); }
.calendar-legend {
  display: flex; gap: 1.5rem; margin-top: 0.75rem;
  font-size: 0.8rem; color: var(--stone);
}
.legend-item { display: flex; align-items: center; gap: 0.375rem; }
.legend-swatch { width: 12px; height: 12px; border-radius: 3px; }
.legend-swatch--dose { background: var(--ink-container); }
.legend-swatch--transition { background: var(--moss); }
.legend-swatch--rest { background: var(--bone); }

/* --- Comparison Box --- */
.comparison-box {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.5rem 0;
}
.comparison-side {
  padding: 1.5rem; border-radius: var(--radius); border-left: 4px solid var(--outline-light);
}
.comparison-side h4 { margin-top: 0; font-family: var(--font-body); font-weight: 700; }

/* --- Accordion --- */
.accordion { margin: 1.5rem 0; }
.accordion-item {
  margin-bottom: 0.5rem; background: var(--linen);
  border-radius: var(--radius); overflow: hidden;
}
.accordion-trigger {
  display: flex; align-items: center; width: 100%;
  padding: 1.25rem 1.5rem; font-family: var(--font-body);
  font-size: 1rem; font-weight: 600; color: var(--ink);
  background: none; border: none; cursor: pointer; text-align: left;
}
.accordion-trigger::after {
  content: '+'; margin-left: auto; font-size: 1.25rem;
  color: var(--stone); transition: transform 0.2s;
}
.accordion-item.open .accordion-trigger::after { content: '\2212'; }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.accordion-item.open .accordion-content { max-height: 800px; }
.accordion-content > * { padding: 0 1.5rem; }
.accordion-content > *:last-child { padding-bottom: 1.5rem; }

/* --- Next Page --- */
.next-page {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 2rem; margin-top: 3rem;
  background: var(--linen); border-radius: var(--radius); transition: all 0.2s;
}
.next-page:hover { background: var(--bone); transform: translateX(4px); }
.next-page-label {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.15em; color: var(--stone);
}
.next-page-title { font-family: var(--font-headline); font-size: 1.25rem; color: var(--ink); }
.next-page-arrow { font-size: 1.5rem; color: var(--clay-light); }

/* --- Footer --- */
.site-footer {
  background: var(--ink); color: var(--on-ink-muted);
  padding: 3rem 0; text-align: center; font-size: 0.85rem;
}
.site-footer .container { max-width: 800px; }
.footer-disclaimer {
  font-size: 0.8rem; color: rgba(252,249,244,0.5);
  margin-bottom: 1rem; line-height: 1.5;
}
.footer-links {
  display: flex; justify-content: center; gap: 2rem;
  list-style: none; padding: 0; margin-bottom: 1rem;
}
.footer-links a {
  color: rgba(252,249,244,0.6); font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.15em; transition: color 0.2s;
}
.footer-links a:hover { color: var(--canvas); }
.site-footer p:last-child { color: rgba(252,249,244,0.35); margin-bottom: 0; }

/* --- Utility --- */
.text-center { text-align: center; }
.text-muted { color: var(--stone); }
.text-sm { font-size: 0.875rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.subtitle { font-size: 1.125rem; color: var(--stone); line-height: 1.6; margin-bottom: 2rem; }
.page-intro { font-size: 1.125rem; color: var(--stone); line-height: 1.6; margin-bottom: 2.5rem; }

/* --- Scroll Animations --- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .site-content { margin-left: 0; }

  /* Dark mobile header */
  .site-header {
    display: block;
    position: sticky; top: 0; z-index: 50;
    background: var(--ink-container);
    border-bottom: none;
  }
  .site-header .container {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.875rem 1.25rem;
  }
  .site-logo {
    color: var(--canvas);
    font-size: 1.1rem;
  }
  .site-logo .sidebar-mushroom { font-size: 1.25rem; filter: none; }
  .sidebar-toggle {
    display: flex; align-items: center; justify-content: center;
    background: none; border: none; cursor: pointer;
    padding: 0.5rem; color: var(--canvas);
    border-radius: var(--radius-sm);
  }
  .sidebar-toggle:active { background: rgba(255,255,255,0.1); }
  .sidebar-toggle svg { width: 22px; height: 22px; }

  /* Language toggle: inside header bar on mobile */
  .lang-toggle {
    position: fixed; top: 0.7rem; right: 1rem; z-index: 55;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: none;
  }
  .lang-toggle a { color: rgba(252,249,244,0.6); font-size: 0.65rem; padding: 0.25rem 0.5rem; }
  .lang-toggle a:hover { color: var(--canvas); }
  .lang-toggle a.active { background: var(--canvas); color: var(--ink); }

  .container { padding: 0 1.25rem; }
  h1 { font-size: 2.25rem; }
  .hero { padding: 3rem 0; }
  .hero h1 { font-size: 2.5rem; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: none !important; padding-right: 0; border-bottom: 1px solid var(--outline-light); padding-bottom: 2rem; }
  .step:last-child { border-bottom: none; }
  .card-grid { grid-template-columns: 1fr; }
  .comparison-box { grid-template-columns: 1fr; }
  .protocol-card { padding: 1.5rem; }
}

@media (max-width: 640px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .section { padding: 3rem 0; }
  .hero h1 { font-size: 2rem; }
  .hero .subtitle { font-size: 1rem; }
  blockquote { font-size: 1.1rem; padding: 1rem 1.25rem; }
  .calendar-day { font-size: 0.65rem; }
  .numbered-steps li { padding-left: 3.25rem; }
  table { font-size: 0.8rem; }
  th, td { padding: 0.625rem 0.75rem; }
}