/* ============================================================
   BolNepali — Main Stylesheet
   Palette: Crimson (flag red), Flag Blue, Marigold accent, Parchment
   ============================================================ */

:root {
  --crimson: #DC143C;
  --crimson-dark: #B01030;
  --flag-blue: #003893;
  --flag-blue-dark: #00266b;
  --marigold: #F2A93B;
  --marigold-dark: #d68f22;
  --parchment: #FBF6EE;
  --parchment-deep: #F2E9D8;
  --charcoal: #241F1C;
  --charcoal-soft: #524A44;
  --white: #FFFFFF;

  --font-display: 'Fraunces', 'Noto Serif Devanagari', serif;
  --font-np: 'Noto Serif Devanagari', serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 10px;
  --shadow-sm: 0 2px 8px rgba(36, 31, 28, 0.08);
  --shadow-md: 0 8px 24px rgba(36, 31, 28, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--parchment);
  color: var(--charcoal);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--charcoal);
}

p { margin: 0 0 1em; }

a { color: var(--crimson); text-decoration: none; }
a:hover { text-decoration: underline; }

.np-text { font-family: var(--font-np); }
.romanized { font-family: var(--font-mono); color: var(--charcoal-soft); font-size: 0.9em; }

img { max-width: 100%; display: block; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--marigold);
  outline-offset: 2px;
}

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

/* ============================================================
   Top flag strip — signature pennant border
   ============================================================ */
.flag-strip {
  height: 6px;
  background: repeating-linear-gradient(
    -45deg,
    var(--crimson) 0px, var(--crimson) 14px,
    var(--flag-blue) 14px, var(--flag-blue) 28px
  );
}

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
  background: var(--white);
  border-bottom: 3px solid var(--flag-blue);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1140px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--charcoal);
}

.brand-mark {
  width: 34px;
  height: 40px;
  flex-shrink: 0;
}

.brand span.bol { color: var(--crimson); }
.brand span.nepali { color: var(--flag-blue); }

.main-nav { display: flex; }

.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--charcoal);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.main-nav a:hover {
  background: var(--parchment-deep);
  color: var(--crimson);
  text-decoration: none;
}

.main-nav a.active {
  background: var(--crimson);
  color: var(--white);
}

/* ============================================================
   Dropdown — "Learn Nepali" sub-menu
   ============================================================ */
.nav-item-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-dropdown-trigger .chevron {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.nav-item-dropdown:hover .chevron,
.nav-item-dropdown.open .chevron {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  list-style: none;
  margin: 0;
  padding: 8px;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--white);
  border: 1px solid var(--parchment-deep);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  z-index: 200;
}

.nav-item-dropdown:hover .nav-dropdown-menu,
.nav-item-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu li { margin: 0; }

.nav-dropdown-menu a {
  padding: 9px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
}

.nav-dropdown-menu a:hover {
  background: var(--parchment);
  color: var(--crimson);
}

@media (max-width: 880px) {
  .nav-dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--parchment);
    margin: 2px 0 6px;
    display: none;
  }
  .nav-item-dropdown.open .nav-dropdown-menu { display: block; }
  .nav-dropdown-trigger { width: 100%; justify-content: space-between; }
}

.nav-auth {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary { background: var(--crimson); color: var(--white); }
.btn-primary:hover { background: var(--crimson-dark); box-shadow: var(--shadow-sm); }

.btn-outline { background: transparent; border-color: var(--flag-blue); color: var(--flag-blue); }
.btn-outline:hover { background: var(--flag-blue); color: var(--white); }

.btn-marigold { background: var(--marigold); color: var(--charcoal); }
.btn-marigold:hover { background: var(--marigold-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--charcoal);
}

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 3px solid var(--flag-blue);
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; padding: 12px; gap: 2px; }
  .nav-auth { display: none; }
  .nav-auth.open { display: flex; flex-direction: column; padding: 0 12px 16px; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background: linear-gradient(180deg, var(--parchment) 0%, var(--parchment-deep) 100%);
  padding: 64px 24px 56px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1.5px solid var(--marigold);
  color: var(--crimson-dark);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  margin-bottom: 0.3em;
}

.hero h1 .np-line {
  display: block;
  font-size: 0.55em;
  color: var(--flag-blue);
  margin-bottom: 6px;
}

.hero-lede {
  font-size: 1.1rem;
  color: var(--charcoal-soft);
  max-width: 480px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   Pennant divider — signature element (Dashain garland motif)
   ============================================================ */
.pennant-divider {
  display: flex;
  justify-content: center;
  margin: 0;
  overflow: hidden;
  line-height: 0;
}
.pennant-divider svg { width: 100%; height: 28px; }

/* ============================================================
   Section scaffolding
   ============================================================ */
.section {
  padding: 64px 24px;
}
.section-alt { background: var(--white); }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.section-head .kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 8px;
}

.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
.section-head p { color: var(--charcoal-soft); }

/* ============================================================
   Cards
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--parchment-deep);
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 24px;
  width: 28px; height: 8px;
  background: var(--marigold);
  border-radius: 0 0 4px 4px;
}

.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--charcoal-soft); font-size: 0.95rem; margin-bottom: 0; }

.card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--parchment-deep);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  color: var(--flag-blue);
}

/* ============================================================
   Vocabulary / phrase items
   ============================================================ */
.vocab-list { display: grid; gap: 14px; }

.vocab-item {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 16px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--parchment-deep);
  border-left: 4px solid var(--crimson);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.vocab-np { font-family: var(--font-np); font-size: 1.3rem; }
.vocab-rom { font-family: var(--font-mono); color: var(--flag-blue); font-size: 0.95rem; }
.vocab-en { color: var(--charcoal-soft); }

@media (max-width: 700px) {
  .vocab-item { grid-template-columns: 1fr; gap: 4px; text-align: left; }
}

/* ============================================================
   Forms
   ============================================================ */
.form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 440px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
  border-top: 5px solid var(--crimson);
}

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--parchment-deep);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--parchment);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--flag-blue);
  outline: none;
  background: var(--white);
}

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 18px;
  font-size: 0.92rem;
}
.alert-error { background: #fde7e9; color: var(--crimson-dark); border: 1px solid #f5b8c0; }
.alert-success { background: #e6f4ea; color: #1e7a3c; border: 1px solid #a9dcb8; }

/* ============================================================
   Quiz / exam interface
   ============================================================ */
.quiz-question {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--parchment-deep);
}
.quiz-question h4 { font-size: 1.05rem; margin-bottom: 14px; }
.quiz-options { display: grid; gap: 10px; }
.quiz-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1.5px solid var(--parchment-deep);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
}
.quiz-option:hover { border-color: var(--marigold); background: var(--parchment); }
.quiz-option input { margin: 0; }

/* ============================================================
   Tables (exam results, etc.)
   ============================================================ */
table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--parchment-deep); }
th { background: var(--flag-blue); color: var(--white); font-weight: 600; }
tr:last-child td { border-bottom: none; }

/* ============================================================
   Badges / tags
   ============================================================ */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-beginner { background: #e6f4ea; color: #1e7a3c; }
.badge-intermediate { background: #fdf1d9; color: #a36b0d; }
.badge-advanced { background: #fde7e9; color: var(--crimson-dark); }

/* ============================================================
   Learn Nepali hub — step-path rows
   ============================================================ */
.learn-hub-row {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--parchment-deep);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 14px;
  text-decoration: none;
  color: var(--charcoal);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.learn-hub-row:hover {
  text-decoration: none;
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--marigold);
}

.learn-hub-step {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--crimson);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.learn-hub-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--parchment-deep);
  color: var(--flag-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.learn-hub-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.learn-hub-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
}

.learn-hub-desc {
  color: var(--charcoal-soft);
  font-size: 0.9rem;
}

.learn-hub-progress-track {
  width: 100%;
  max-width: 260px;
  height: 6px;
  border-radius: 999px;
  background: var(--parchment-deep);
  margin-top: 8px;
  overflow: hidden;
}

.learn-hub-progress-fill {
  display: block;
  height: 100%;
  background: var(--marigold);
  border-radius: 999px;
}

.learn-hub-progress-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--charcoal-soft);
  margin-top: 4px;
}

.learn-hub-arrow {
  flex-shrink: 0;
  font-size: 1.3rem;
  color: var(--crimson);
}

@media (max-width: 600px) {
  .learn-hub-row { flex-wrap: wrap; }
  .learn-hub-step { order: 1; }
  .learn-hub-icon { order: 2; }
  .learn-hub-arrow { display: none; }
  .learn-hub-body { order: 3; flex-basis: 100%; margin-top: 10px; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--charcoal);
  color: var(--parchment-deep);
  padding: 48px 24px 24px;
  margin-top: 40px;
}
.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-inner h4 { color: var(--white); font-size: 1rem; margin-bottom: 14px; }
.footer-inner ul { list-style: none; padding: 0; margin: 0; }
.footer-inner li { margin-bottom: 8px; }
.footer-inner a { color: var(--parchment-deep); }
.footer-inner a:hover { color: var(--marigold); }
.footer-bottom {
  max-width: 1140px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem;
  color: var(--charcoal-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
}