.header-inner {
  gap: 16px;
}

/* Language pill selector */
.lang-selector {  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1.5px solid var(--sand);
  border-radius: 99px;
  padding: 6px 14px 6px 10px;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s;
  position: relative;
}
.lang-selector:hover {
  border-color: var(--sage);
  box-shadow: 0 2px 12px rgba(30,58,47,.08);
}
.lang-flag { display: inline-flex; align-items: center; line-height: 0; }
.lang-flag .lang-flag-img { border-radius: 4px; }
.lang-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--forest);
}
.lang-caret {
  font-size: 10px;
  color: var(--muted);
  margin-left: 2px;
  transition: transform .2s;
}
.lang-selector.open .lang-caret { transform: rotate(180deg); }

/* Language dropdown */
.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  border: 1.5px solid var(--sand);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(30,58,47,.14);
  min-width: 180px;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.lang-dropdown.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: background .15s;
  border-bottom: 1px solid var(--cream-dark);
}
.lang-option:last-child { border-bottom: none; }
.lang-option:hover { background: var(--cream); }
.lang-option.active { color: var(--forest); background: var(--sage-light); }
.lang-option-flag { display: inline-flex; align-items: center; width: 24px; flex-shrink: 0; }

/* ══════════════════════════════════════
   HERO STRIP
══════════════════════════════════════ */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 44px 24px 16px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}


/* Overall progress pill */
.overall-progress {
  flex-shrink: 0;
  background: var(--white);
  border: 1.5px solid var(--sand);
  border-radius: 16px;
  padding: 16px 22px;
  text-align: center;
  min-width: 120px;
}
.op-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.op-value {
  font-family: 'Fraunces', serif;
  font-size: 32px;
  font-weight: 400;
  color: var(--forest);
  line-height: 1;
}
.op-value span { font-size: 14px; color: var(--muted); }

/* ══════════════════════════════════════
   LEVEL FILTER TABS
══════════════════════════════════════ */
.filter-bar {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 24px 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 99px;
  border: 1.5px solid var(--sand);
  background: transparent;
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all .18s;
}
.filter-tab:hover { border-color: var(--sage); color: var(--forest); }
.filter-tab.active {
  background: var(--forest);
  border-color: var(--forest);
  color: var(--white);
}
.filter-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
}

/* ══════════════════════════════════════
   CATEGORY GRID
══════════════════════════════════════ */
.grid-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 24px 60px;
}

.section-heading {
  font-family: 'Fraunces', serif;
  font-size: 13px;
  font-weight: 400;
  font-style: italic;
  color: var(--muted);
  letter-spacing: .02em;
  margin-bottom: 14px;
  padding-left: 2px;
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}

/* ── Category card ── */
.cat-card {
  background: var(--white);
  border: 1.5px solid var(--sand);
  border-radius: 20px;
  padding: 22px 22px 18px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
  transition: transform .22s cubic-bezier(.34,1.56,.64,1),
              box-shadow .22s ease,
              border-color .22s ease;
  opacity: 0;
  transform: translateY(16px);
}
.cat-card.visible {
  animation: cardIn .45s cubic-bezier(.34,1.2,.64,1) forwards;
}
.hero-text .hero-title {
  transition: opacity .2s ease;
}
.hero-title.is-loading {
  opacity: 0;
  min-height: 4.5rem;
}
.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(30,58,47,.13);
  border-color: var(--sage);
}
.cat-card:active { transform: translateY(-2px) scale(.99); }

/* Subtle corner accent */
.cat-card::before {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 90px; height: 90px;
  border-radius: 50%;
  background: var(--cream);
  opacity: .6;
  transition: transform .3s ease;
}
.cat-card:hover::before { transform: scale(1.3); }

/* card top row */
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.cat-icon {
  font-size: 36px;
  line-height: 1;
  filter: sepia(100%) drop-shadow(8px 8px 10px gray);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
.cat-card:hover .cat-icon { transform: scale(1.18) rotate(-4deg); }

/* SVG ring progress */
.ring-wrap {
  position: relative;
  width: 48px; height: 48px;
  flex-shrink: 0;
}
.ring-wrap svg { transform: rotate(-90deg); }
.ring-bg   { fill: none; stroke: var(--cream-dark); stroke-width: 3.5; }
.ring-fill {
  fill: none;
  stroke: var(--forest);
  stroke-width: 3.5;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s cubic-bezier(.4,0,.2,1);
}
.ring-pct {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--forest);
}

/* card body */
.cat-name {
  font-family: 'Fraunces', serif;
  font-size: 19px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--forest);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.phrase-count {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}
.level-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 99px;
}
.level-beginner    { background: var(--beg-bg); color: var(--beg); }
.level-intermediate{ background: var(--int-bg); color: var(--int); }
.level-advanced    { background: var(--adv-bg); color: var(--adv); }

/* Progress bar at card bottom */
.card-bar {
  height: 3px;
  background: var(--cream-dark);
  border-radius: 99px;
  overflow: hidden;
}
.card-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--sage), var(--forest-light));
  border-radius: 99px;
  width: 0%;
  transition: width 1s cubic-bezier(.4,0,.2,1);
}

/* completed stamp */
.cat-card.complete .card-bar-fill { background: var(--forest); }
.complete-stamp {
  display: none;
  position: absolute;
  top: 14px; right: 14px;
  font-size: 18px;
}
.cat-card.complete .complete-stamp { display: block; }
.cat-card.complete .ring-fill { stroke: var(--forest); }


/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 600px) {
  .cat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cat-card { padding: 16px 16px 14px; }
  .cat-name { font-size: 16px; }
  .cat-icon { font-size: 28px; }
}
@media (max-width: 400px) {
  .cat-grid { grid-template-columns: 1fr; }

  /* Header: back + flag + sign-in */
  .logo,
  .header-sep { display: none; }
  .lang-selector .lang-name { display: none; }
  .lang-selector {
    padding: 6px 8px;
    flex-shrink: 0;
  }
  .back-btn {
    width: 34px;
    height: 34px;
    font-size: 18px;
  }
}
@media (max-width: 360px) {
  .hero { flex-direction: column; align-items: flex-start; gap: 16px; }
}