/* ============================================================
   NEW MUSLIM COMPANION — stylesheet
   Palette
     Warm Paper   #FAF7F0  (background — mushaf paper)
     Night Ink    #1E2B25  (text — green-black ink)
     Prayer Green #155E4A  (accent, links, done states)
     Sage Mist    #DCE7E0  (soft surfaces, chips)
     Gold Thread  #B98A2F  (the Core Path — Essentials only)
   Type
     Marcellus        — display (inscriptional, quiet dignity)
     Source Serif 4   — body (bookish, highly readable)
     Amiri            — Arabic (classical naskh)
   ============================================================ */

:root {
  --paper: #FAF7F0;
  --ink: #1E2B25;
  --ink-soft: #5C6B63;
  --green: #155E4A;
  --green-deep: #0E4436;
  --mist: #DCE7E0;
  --mist-line: #C9D8CF;
  --gold: #B98A2F;
  --gold-soft: #F1E4C6;
  --white: #FFFFFF;
  --radius: 10px;
  --display: 'Marcellus', Georgia, serif;
  --body: 'Source Serif 4', Georgia, serif;
  --arabic: 'Amiri', 'Traditional Arabic', serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 0 1.25rem; }

a { color: var(--green); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--mist-line);
  padding: 1.4rem 0 1.2rem;
  background: var(--paper);
}
.site-header.slim { padding: 1rem 0; }
.brand {
  font-family: var(--display);
  font-size: 1.35rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.brand-line {
  margin: 0.15rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.back {
  text-decoration: none;
  font-size: 0.95rem;
}

/* ---------- hero ---------- */

.hero { padding: 2.5rem 0 1.25rem; }
.hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  line-height: 1.25;
  margin: 0 0 1rem;
}
.hero p { max-width: 60ch; color: var(--ink); margin: 0 0 0.75rem; }
.progress-line {
  color: var(--green-deep);
  font-size: 0.95rem;
  border-left: 3px solid var(--gold);
  padding-left: 0.75rem;
}
.continue { margin-top: 1.1rem; }
.btn-continue {
  display: inline-block;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  border: 1.5px solid var(--green);
  transition: background 0.2s ease;
}
.btn-continue:hover { background: var(--green-deep); }

@media (prefers-reduced-motion: no-preference) {
  .hero h1, .hero p { animation: rise 0.6s ease both; }
  .hero p { animation-delay: 0.12s; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
  }
}

/* ---------- sticky path menu ---------- */

.sticky-zone {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--paper);
  padding-top: 0.5rem;
  margin: 0 -1.25rem;           /* bleed to viewport edge inside .wrap */
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  border-bottom: 1px solid var(--mist-line);
}

.track-nav {
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.45rem;
  overflow-x: auto;
  padding: 0.35rem 0 0.6rem;
  scrollbar-width: none;
}
.track-nav::-webkit-scrollbar { display: none; }

/* the thread the menu chips sit on — the path continues here */
.track-nav::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--mist-line);
}

.track-nav a {
  position: relative;
  flex: none;
  text-decoration: none;
  font-size: 0.88rem;
  padding: 0.28rem 0.85rem;
  border: 1px solid var(--mist-line);
  border-radius: 999px;
  color: var(--green-deep);
  background: var(--white);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.track-nav a:hover { background: var(--mist); }
.track-nav a.active {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 1px var(--gold);
  color: var(--ink);
}

/* Core Path progress bar under the menu */
.corebar {
  height: 3px;
  background: var(--gold-soft);
  border-radius: 999px;
  margin-bottom: 0.55rem;
  overflow: hidden;
}
.corebar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--gold);
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* ---------- track sections (collapsible) ---------- */

.track-section { padding: 0.75rem 0 0.5rem; border-bottom: 1px solid var(--mist-line); }
.track-section:last-child { border-bottom: none; }

.track-summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
  list-style: none;
  padding: 0.6rem 0;
  scroll-margin-top: 4.5rem;
}
.track-summary::-webkit-details-marker { display: none; }
.summary-star { color: var(--gold); display: inline-flex; }
.track-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.45rem;
}
.track-count {
  margin-left: auto;
  font-size: 0.82rem;
  color: var(--ink-soft);
  white-space: nowrap;
}
.chev {
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid var(--ink-soft);
  border-bottom: 2px solid var(--ink-soft);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  flex: none;
}
details[open] > .track-summary .chev { transform: rotate(225deg); }

.track-intro {
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
  font-size: 0.98rem;
}

/* ---------- the path ---------- */

.path {
  position: relative;
  margin: 0;
  padding: 0.25rem 0 0.75rem 2.1rem;
  list-style: none;
}
.path::before {
  content: "";
  position: absolute;
  left: 0.72rem;
  top: 0.4rem;
  bottom: 0.6rem;
  width: 2px;
  background: var(--mist-line);
}

.node { position: relative; padding: 0 0 1.1rem; }
.node:last-child { padding-bottom: 0.25rem; }

.node-group {
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0.5rem 0 0.9rem;
}

/* the circle marker */
.node::before {
  content: "";
  position: absolute;
  left: -2.1rem;
  top: 1.05rem;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--mist-line);
  z-index: 1;
}
.node.essential::before { border-color: var(--gold); }
.node.done::before {
  background: var(--green);
  border-color: var(--green);
}
.node.done::after {
  content: "";
  position: absolute;
  left: calc(-2.1rem + 0.30rem);
  top: 1.27rem;
  width: 0.42rem;
  height: 0.24rem;
  border-left: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  transform: rotate(-45deg);
  z-index: 2;
}

.node a.node-link {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--white);
  border: 1px solid var(--mist-line);
  border-radius: var(--radius);
  padding: 0.85rem 1.05rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.node a.node-link:hover {
  border-color: var(--green);
  box-shadow: 0 1px 6px rgba(30, 43, 37, 0.07);
}
.node.essential a.node-link { border-left: 3px solid var(--gold); }

.node-title {
  font-family: var(--display);
  font-size: 1.12rem;
  margin: 0;
}
.node-blurb {
  margin: 0.15rem 0 0.4rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
}
.node-after {
  margin: 0 0 0.45rem;
  font-size: 0.8rem;
  font-style: italic;
  color: var(--ink-soft);
}
.chips { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.chip {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  background: var(--mist);
  color: var(--green-deep);
}
.chip.essential { background: var(--gold-soft); color: #6E5312; }
.chip.enrichment { background: transparent; border: 1px solid var(--mist-line); color: var(--ink-soft); }
.chip.soon { background: transparent; border: 1px dashed var(--mist-line); color: var(--ink-soft); }
.chip.done-chip { background: var(--green); color: var(--white); }

/* ---------- lesson page ---------- */

.lesson-wrap { max-width: 680px; padding-top: 1.5rem; padding-bottom: 2rem; }

.eyebrow {
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0.5rem 0 0;
}

.lesson-content h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.6rem, 5vw, 2.15rem);
  line-height: 1.25;
  margin: 0.35rem 0 1.25rem;
}
.lesson-content h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.3rem;
  margin: 2.2rem 0 0.6rem;
}
.lesson-content p { margin: 0 0 1.05rem; }
.lesson-content li { margin-bottom: 0.4rem; }
.lesson-content blockquote {
  margin: 1.25rem 0;
  padding: 0.1rem 1.1rem;
  border-left: 3px solid var(--gold);
  background: var(--white);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.lesson-content hr {
  border: none;
  border-top: 1px solid var(--mist-line);
  margin: 2rem 0;
}
.lesson-content table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.98rem;
  margin: 1.25rem 0;
}
.lesson-content th, .lesson-content td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--mist-line);
}
.lesson-content th {
  font-family: var(--display);
  font-weight: 400;
  background: var(--mist);
  color: var(--green-deep);
}
.lesson-content tr:last-child td { border-bottom: none; }

/* Arabic */
.ar {
  font-family: var(--arabic);
  font-size: 1.55em;
  line-height: 1.9;
  direction: rtl;
  unicode-bidi: isolate;
  color: var(--green-deep);
}
p.ar-line { text-align: center; margin: 1.4rem 0; }

.loading { color: var(--ink-soft); }

.stub-note {
  background: var(--white);
  border: 1px solid var(--mist-line);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin-top: 1rem;
}

/* actions + nav */
.lesson-actions { margin: 2.25rem 0 1rem; }
.btn-done {
  font-family: var(--body);
  font-size: 1rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  border: 1.5px solid var(--green);
  background: var(--green);
  color: var(--white);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.btn-done.is-done {
  background: var(--white);
  color: var(--green-deep);
}
.btn-done:hover { background: var(--green-deep); color: var(--white); }

.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--mist-line);
  padding-top: 1.25rem;
  font-size: 0.95rem;
}
.lesson-nav a { text-decoration: none; max-width: 46%; }
.lesson-nav a:hover { text-decoration: underline; text-underline-offset: 3px; }
.lesson-nav .nav-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.lesson-nav .next { text-align: right; margin-left: auto; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--mist-line);
  margin-top: 3rem;
  padding: 1.5rem 0 2.25rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.site-footer p { margin: 0 0 0.6rem; max-width: 62ch; }
.review-note { font-size: 0.85rem; }

@media (max-width: 480px) {
  body { font-size: 1rem; }
  .track-title { font-size: 1.25rem; }
  .lesson-content table { font-size: 0.88rem; }
  .lesson-content th, .lesson-content td { padding: 0.5rem 0.5rem; }
}