/* ============================================================
   FinClear Calculators — shared stylesheet
   Aesthetic: refined fintech-editorial. Warm paper, deep ink,
   emerald accent. Plus Jakarta Sans + Noto Sans CJK (humanist).
   ============================================================ */

:root {
  --paper: #f6f2ea;
  --paper-2: #fffdf8;
  --ink: #15201c;
  --ink-soft: #4a564f;
  --line: #ddd6c8;
  --emerald: #0c7a52;
  --emerald-deep: #075c3d;
  --gold: #b7892f;
  --danger: #b3402e;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(21,32,28,.05), 0 12px 30px -18px rgba(21,32,28,.28);
  --maxw: 920px;
  /* Humanist sans stack with full CJK coverage (KR/JP/SC) */
  --font-body: "Plus Jakarta Sans","IBM Plex Sans KR","Noto Sans JP","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-display: "Plus Jakarta Sans","IBM Plex Sans KR","Noto Sans JP","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(12,122,82,.07), transparent 60%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin-top: 1.6em; }
h3 { font-size: 1.15rem; font-family: var(--font-body); font-weight: 700; }

a { color: var(--emerald-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--emerald); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255,253,248,.72);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap;
}
.logo {
  font-family: var(--font-display); font-weight: 600; font-size: 1.35rem;
  letter-spacing: -.02em; color: var(--ink); text-decoration: none;
  display: inline-flex; align-items: center; gap: 9px;
}
.logo .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--emerald); box-shadow: 0 0 0 4px rgba(12,122,82,.16);
}
.nav { display: flex; gap: 20px; font-size: .96rem; flex-wrap: wrap; }
.nav a { color: var(--ink-soft); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--emerald-deep); }

/* ---------- Hero / intro ---------- */
.hero { padding: 56px 0 18px; }
.eyebrow {
  font-size: .78rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin: 0 0 14px;
}
.lede { font-size: 1.18rem; color: var(--ink-soft); max-width: 60ch; margin: 0; }

/* ---------- Hub cards ---------- */
.calc-grid {
  display: grid; gap: 18px; margin: 38px 0 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.tile {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px 22px; box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.tile:hover { transform: translateY(-3px); border-color: var(--emerald); box-shadow: 0 18px 38px -20px rgba(7,92,61,.4); }
.tile .ico { font-size: 1.5rem; }
.tile h3 { margin: 12px 0 6px; font-size: 1.18rem; }
.tile p { margin: 0; color: var(--ink-soft); font-size: .96rem; }

/* ---------- Calculator card ---------- */
.calc {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
  margin: 26px 0;
}
.grid2 { display: grid; gap: 16px 20px; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px){ .grid2 { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 4px; }
.field label { font-size: .9rem; font-weight: 600; color: var(--ink); }
.field .hint { font-size: .8rem; color: var(--ink-soft); }
.field-row { position: relative; }
input, select {
  width: 100%; font: inherit; color: var(--ink);
  background: #fff; border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus {
  outline: none; border-color: var(--emerald);
  box-shadow: 0 0 0 3px rgba(12,122,82,.16);
}
.field-row .unit {
  position: absolute; right: 13px; top: 50%; transform: translateY(-50%);
  color: var(--ink-soft); font-size: .9rem; pointer-events: none;
}
.field-row input.has-unit { padding-right: 38px; }

.btn {
  appearance: none; border: none; cursor: pointer; font: inherit; font-weight: 700;
  background: var(--emerald); color: #fff; padding: 13px 22px; border-radius: 10px;
  transition: background .15s, transform .1s;
}
.btn:hover { background: var(--emerald-deep); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--emerald-deep); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--emerald); background: rgba(12,122,82,.06); }
.controls { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

/* ---------- Results ---------- */
.results { margin-top: 22px; border-top: 1px dashed var(--line); padding-top: 20px; }
.result-primary {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 14px;
}
.result-primary .big {
  font-family: var(--font-display); font-size: clamp(2rem, 6vw, 2.8rem);
  font-weight: 600; color: var(--emerald-deep); letter-spacing: -.02em;
}
.result-primary .lbl { color: var(--ink-soft); font-size: .95rem; }
.result-rows { display: grid; gap: 0; }
.result-row {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 11px 0; border-bottom: 1px solid var(--line); font-size: .98rem;
}
.result-row:last-child { border-bottom: none; }
.result-row .k { color: var(--ink-soft); }
.result-row .v { font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---------- Brackets table (tax) ---------- */
.brackets { margin: 8px 0 4px; }
.bracket-row { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; margin-bottom: 8px; align-items: center; }
.bracket-row .x { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 1.3rem; line-height: 1; padding: 4px 8px; }
.note {
  background: rgba(183,137,47,.09); border: 1px solid rgba(183,137,47,.3);
  border-radius: 10px; padding: 12px 14px; font-size: .88rem; color: #6a4f18; margin: 14px 0;
}

/* ---------- Prose / FAQ ---------- */
.prose { max-width: 68ch; }
.prose p { color: var(--ink); }
.faq details {
  border-bottom: 1px solid var(--line); padding: 6px 0;
}
.faq summary {
  cursor: pointer; font-weight: 700; padding: 12px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--emerald); font-size: 1.3rem; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 14px; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 60px; border-top: 1px solid var(--line);
  background: var(--paper-2); padding: 36px 0; font-size: .92rem; color: var(--ink-soft);
}
.site-footer .cols { display: flex; gap: 40px; flex-wrap: wrap; justify-content: space-between; }
.site-footer a { color: var(--ink-soft); text-decoration: none; display: block; padding: 3px 0; }
.site-footer a:hover { color: var(--emerald-deep); }
.site-footer .disclaimer { margin-top: 22px; font-size: .82rem; max-width: 70ch; }

/* ---------- Amortization schedule ---------- */
.sched-head { display:flex; align-items:baseline; justify-content:space-between; gap:12px; flex-wrap:wrap; margin:26px 0 6px; }
.sched-head h3 { margin:0; }
.seg { display:inline-flex; border:1px solid var(--line); border-radius:9px; overflow:hidden; }
.seg button { appearance:none; border:none; background:var(--paper-2); color:var(--ink-soft); font:inherit; font-size:.85rem; font-weight:600; padding:8px 14px; cursor:pointer; }
.seg button + button { border-left:1px solid var(--line); }
.seg button[aria-pressed="true"] { background:var(--emerald); color:#fff; }
.table-scroll { overflow-x:auto; border:1px solid var(--line); border-radius:12px; margin-top:12px; }
table.amort { width:100%; border-collapse:collapse; font-size:.92rem; font-variant-numeric:tabular-nums; }
table.amort th, table.amort td { padding:11px 14px; text-align:right; white-space:nowrap; }
table.amort th:first-child, table.amort td:first-child { text-align:left; }
table.amort thead th { background:var(--paper-2); color:var(--ink-soft); font-weight:700; font-size:.8rem; letter-spacing:.03em; text-transform:uppercase; border-bottom:1px solid var(--line); position:sticky; top:0; }
table.amort tbody tr { border-bottom:1px solid var(--line); }
table.amort tbody tr:last-child { border-bottom:none; }
table.amort tbody tr:nth-child(even) { background:rgba(21,32,28,.018); }
table.amort .c-prin { color:var(--emerald-deep); font-weight:600; }
table.amort .c-int  { color:var(--gold); font-weight:600; }
.bar { display:inline-block; height:8px; border-radius:4px; vertical-align:middle; }
.bar.p { background:var(--emerald); } .bar.i { background:var(--gold); }
.bar-wrap { display:flex; align-items:center; gap:0; min-width:90px; }
.sched-more { margin-top:12px; text-align:center; }
.legend { display:flex; gap:18px; flex-wrap:wrap; font-size:.85rem; color:var(--ink-soft); margin-top:10px; }
.legend span { display:inline-flex; align-items:center; gap:7px; }
.legend i { width:12px; height:12px; border-radius:3px; display:inline-block; }
.legend i.p { background:var(--emerald); } .legend i.i { background:var(--gold); }

/* ---------- Tax result infographic ---------- */
.infographic { margin: 0 0 26px; }
.ig-hero {
  display: flex; align-items: flex-end; gap: 14px; flex-wrap: wrap;
  padding: 22px 24px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--emerald-deep), var(--emerald));
  color: #fff; box-shadow: var(--shadow);
}
.ig-hero .ig-big { font-family:var(--font-display); font-weight:600; font-size:clamp(1.9rem,6vw,3rem); line-height:1.05; letter-spacing:-.01em; font-variant-numeric:tabular-nums; font-feature-settings:"tnum" 1; word-break:break-word; }
.ig-hero .ig-sub { font-size:.95rem; opacity:.92; padding-bottom:6px; }
.ig-hero .ig-month { margin-left:auto; text-align:right; padding-bottom:4px; }
.ig-hero .ig-month b { display:block; font-size:1.3rem; font-family:var(--font-display); font-variant-numeric:tabular-nums; font-feature-settings:"tnum" 1; }
.ig-hero .ig-month span { font-size:.78rem; opacity:.85; }

.ig-bar { display:flex; height:30px; border-radius:8px; overflow:hidden; margin:18px 0 8px; box-shadow: inset 0 0 0 1px rgba(0,0,0,.04); }
.ig-bar .seg-block { height:100%; transition:width .4s cubic-bezier(.2,.7,.3,1); min-width:2px; }
.seg-tax    { background: var(--danger); }
.seg-surtax { background: #c66; }
.seg-local  { background: var(--gold); }
.seg-social { background: #6a86c4; }
.seg-net    { background: var(--emerald); }
.ig-barlabels { display:flex; flex-wrap:wrap; gap:14px; font-size:.82rem; color:var(--ink-soft); margin-bottom:18px; }
.ig-barlabels span { display:inline-flex; align-items:center; gap:6px; }
.ig-barlabels i { width:11px; height:11px; border-radius:3px; display:inline-block; }

.ig-cards { display:grid; gap:12px; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); }
.ig-card { background:var(--paper-2); border:1px solid var(--line); border-radius:12px; padding:15px 16px; display:flex; flex-direction:column; }
.ig-card .lab { font-size:.8rem; color:var(--ink-soft); display:flex; align-items:flex-start; gap:7px; min-height:2.4em; line-height:1.25; }
.ig-card .lab i { width:10px; height:10px; border-radius:3px; display:inline-block; flex:0 0 auto; margin-top:3px; }
.ig-card .val { font-family:var(--font-display); font-size:1.4rem; font-weight:600; margin-top:auto; padding-top:6px; letter-spacing:-.01em; font-variant-numeric:tabular-nums; font-feature-settings:"tnum" 1; }
.ig-card .pctsub { font-size:.78rem; color:var(--ink-soft); margin-top:2px; }
.ig-card.subtle { background:transparent; }

.ig-rates { display:flex; gap:26px; flex-wrap:wrap; margin-top:18px; padding-top:16px; border-top:1px dashed var(--line); }
.ig-rates div { font-size:.86rem; color:var(--ink-soft); }
.ig-rates b { display:block; font-family:var(--font-display); font-size:1.5rem; color:var(--ink); font-weight:600; font-variant-numeric:tabular-nums; font-feature-settings:"tnum" 1; }
.ig-socnote { font-size:.78rem; color:var(--ink-soft); margin-top:10px; }

/* ---------- Mortgage "house fills up" visual ---------- */
.equity-wrap { display:grid; grid-template-columns: 240px 1fr; gap:28px; align-items:center; margin-bottom:8px; }
@media (max-width:560px){ .equity-wrap { grid-template-columns:1fr; justify-items:center; } }
.house-stage { width:220px; height:220px; position:relative; }
.house-pct {
  position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center;
  pointer-events:none; text-align:center;
}
.house-pct b { font-family:var(--font-display); font-size:2.4rem; font-weight:600; color:var(--ink); line-height:1; }
.house-pct span { font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-soft); margin-top:4px; }
.equity-side .big-eq { font-family:var(--font-display); font-size:clamp(1.8rem,5vw,2.4rem); font-weight:600; color:var(--emerald-deep); letter-spacing:-.02em; }
.equity-side .big-eq-lbl { color:var(--ink-soft); font-size:.92rem; margin-bottom:16px; }
.eq-rows { display:grid; gap:0; }
.eq-row { display:flex; justify-content:space-between; gap:14px; padding:9px 0; border-bottom:1px solid var(--line); font-size:.95rem; }
.eq-row:last-child { border-bottom:none; }
.eq-row .k { color:var(--ink-soft); }
.eq-row .v { font-weight:700; font-variant-numeric:tabular-nums; }

.scrubber { margin:22px 0 4px; }
.scrubber .slabel { display:flex; justify-content:space-between; font-size:.85rem; color:var(--ink-soft); margin-bottom:8px; }
.scrubber .slabel b { color:var(--ink); font-weight:700; }
input[type="range"].eq-range { width:100%; accent-color:var(--emerald); height:6px; cursor:pointer; }
.scrub-ticks { display:flex; justify-content:space-between; font-size:.72rem; color:var(--ink-soft); margin-top:6px; }
.eq-caption { font-size:.86rem; color:var(--ink-soft); margin-top:14px; }
.eq-caption.done { color:var(--emerald-deep); font-weight:600; }

@keyframes waveMove { from { transform: translateX(0); } to { transform: translateX(-40px); } }
.water-wave { animation: waveMove 2.4s linear infinite; }

/* ---------- Currency converter (ValutaFX-style) ---------- */
.fx-card {
  background: linear-gradient(180deg, #e8f4f5, #d6ecee);
  border: 1px solid #bfe0e2; border-radius: var(--radius);
  padding: 28px 26px; box-shadow: var(--shadow); margin: 24px 0 18px;
}
.fx-row { display:flex; gap:14px; align-items:flex-end; flex-wrap:wrap; }
.fx-amt { flex:0 0 130px; } .fx-sel { flex:1 1 200px; min-width:170px; }
.fx-card label { display:block; font-size:.82rem; font-weight:700; color:#0a6b73; margin-bottom:6px; }
.fx-card input, .fx-card select {
  width:100%; font:inherit; padding:13px 14px; border-radius:10px;
  border:1px solid #bfe0e2; background:#fff; color:var(--ink);
}
.fx-card input:focus, .fx-card select:focus { outline:none; border-color:#0a6b73; box-shadow:0 0 0 3px rgba(10,107,115,.16); }
.fx-swap {
  flex:0 0 auto; align-self:flex-end; width:46px; height:46px; border-radius:50%;
  border:none; cursor:pointer; background:#0a6b73; color:#fff; font-size:1.2rem;
  transition:background .15s, transform .15s;
}
.fx-swap:hover { background:#085258; transform:rotate(180deg); }
.fx-result { margin-top:22px; }
.fx-big { font-family:var(--font-display); font-size:clamp(2rem,6vw,2.9rem); font-weight:600; color:#08474d; letter-spacing:-.02em; }
.fx-inverse { display:flex; gap:26px; flex-wrap:wrap; margin-top:8px; font-size:.95rem; color:#0a6b73; font-weight:600; }
.fx-asof { margin-top:10px; font-size:.8rem; color:#5b8488; }

.fx-tabs { display:flex; gap:6px; overflow-x:auto; padding-bottom:4px; margin:8px 0 14px; }
.fx-tab {
  flex:0 0 auto; display:inline-flex; align-items:center; gap:7px;
  border:none; cursor:pointer; font:inherit; font-weight:700; font-size:.9rem;
  padding:11px 16px; border-radius:9px; background:#0a6b73; color:#cfeaec;
  transition:background .15s, color .15s;
}
.fx-tab:hover { background:#085258; color:#fff; }
.fx-tab.active { background:#08474d; color:#fff; box-shadow:inset 0 -3px 0 var(--gold); }
.fx-tab-flag { font-size:1.05rem; }

table.fx-table { width:100%; border-collapse:collapse; font-size:.95rem; }
table.fx-table thead th {
  background:#e8f4f5; color:#0a6b73; font-size:.78rem; letter-spacing:.04em; text-transform:uppercase;
  font-weight:700; text-align:right; padding:12px 16px; border-bottom:1px solid #bfe0e2; white-space:nowrap;
}
table.fx-table thead th:first-child { text-align:left; }
table.fx-table tbody tr { border-bottom:1px solid var(--line); }
table.fx-table tbody tr:nth-child(even){ background:#f3f9fa; }
table.fx-table td { padding:13px 16px; text-align:right; vertical-align:middle; }
table.fx-table td:first-child { text-align:left; font-weight:600; }
table.fx-table .fx-cell-flag { margin-right:9px; font-size:1.15rem; vertical-align:middle; }
table.fx-table .num { font-variant-numeric:tabular-nums; font-weight:700; }
table.fx-table .sub { font-size:.7rem; color:var(--ink-soft); font-weight:400; letter-spacing:.04em; text-transform:uppercase; margin-top:2px; }
table.fx-table .chg.up { color:var(--emerald-deep); }
table.fx-table .chg.down { color:var(--danger); }

/* ---------- Affiliate banner slot (link added later) ---------- */
.aff-banner {
  display:flex; align-items:center; gap:18px; flex-wrap:wrap;
  margin:24px 0; padding:20px 24px; border-radius:var(--radius);
  background:linear-gradient(135deg,#0a6b73,#0c7a52); color:#fff;
  box-shadow:var(--shadow); position:relative; overflow:hidden;
}
.aff-banner::after{
  content:""; position:absolute; right:-30px; top:-30px; width:160px; height:160px;
  background:radial-gradient(circle, rgba(255,255,255,.12), transparent 70%); pointer-events:none;
}
.aff-banner .aff-ico{ font-size:2rem; flex:0 0 auto; }
.aff-banner .aff-text{ flex:1 1 220px; }
.aff-banner .aff-text b{ display:block; font-family:var(--font-display); font-size:1.25rem; font-weight:600; }
.aff-banner .aff-text span{ font-size:.9rem; opacity:.9; }
.aff-banner .aff-cta{
  flex:0 0 auto; display:inline-flex; align-items:center; gap:8px;
  background:#fff; color:var(--emerald-deep); font-weight:700; font-size:.95rem;
  padding:12px 22px; border-radius:10px; text-decoration:none; transition:transform .15s;
  cursor:pointer; border:none;
}
.aff-banner .aff-cta:hover{ transform:translateY(-2px); }
.aff-banner .aff-tag{
  position:absolute; top:8px; right:12px; font-size:.62rem; letter-spacing:.1em;
  text-transform:uppercase; opacity:.7;
}

/* ---------- Rate comparison widget slot (lender table goes here later) ---------- */
.rate-widget {
  margin:24px 0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  background:var(--paper-2); box-shadow:var(--shadow);
}
.rate-widget .rw-head {
  display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
  padding:15px 20px; background:linear-gradient(135deg,#0a6b73,#0c7a52); color:#fff;
}
.rate-widget .rw-head b { font-family:var(--font-display); font-size:1.1rem; font-weight:600; }
.rate-widget .rw-head .rw-flag { font-size:1.2rem; margin-right:6px; }
.rate-widget .rw-region { font-size:.8rem; opacity:.9; }
.rate-widget .rw-body {
  padding:0;
}
.rate-widget table.rw-table { width:100%; border-collapse:collapse; font-size:.92rem; }
.rate-widget .rw-table th, .rate-widget .rw-table td { padding:12px 18px; text-align:right; }
.rate-widget .rw-table th:first-child, .rate-widget .rw-table td:first-child { text-align:left; }
.rate-widget .rw-table thead th { background:var(--paper); color:var(--ink-soft); font-size:.74rem; letter-spacing:.04em; text-transform:uppercase; border-bottom:1px solid var(--line); }
.rate-widget .rw-table tbody tr { border-bottom:1px solid var(--line); }
.rate-widget .rw-table tbody tr:last-child { border-bottom:none; }
.rate-widget .rw-lender { display:flex; align-items:center; gap:10px; font-weight:600; }
.rate-widget .rw-logo { width:34px; height:34px; border-radius:8px; background:var(--paper); display:inline-flex; align-items:center; justify-content:center; font-size:1rem; border:1px solid var(--line); }
.rate-widget .rw-apr { font-family:var(--font-display); font-size:1.15rem; font-weight:600; color:var(--emerald-deep); }
.rate-widget .rw-cta { background:var(--emerald); color:#fff; border:none; border-radius:8px; padding:8px 16px; font:inherit; font-weight:700; font-size:.85rem; cursor:pointer; text-decoration:none; display:inline-block; }
.rate-widget .rw-cta:hover { background:var(--emerald-deep); }
.rate-widget .rw-placeholder {
  padding:22px 20px; text-align:center; color:var(--ink-soft); font-size:.85rem;
  background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(0,0,0,.012) 10px,rgba(0,0,0,.012) 20px);
}
.rate-widget .rw-foot { padding:10px 18px; font-size:.72rem; color:var(--ink-soft); border-top:1px solid var(--line); }

/* ---------- Language switcher ---------- */
.lang-switch { display:flex; gap:4px; flex-wrap:wrap; margin-left:auto; }
.lang-btn {
  display:inline-flex; align-items:center; gap:5px; cursor:pointer;
  border:1px solid var(--line); background:var(--paper-2); color:var(--ink-soft);
  font:inherit; font-size:.8rem; font-weight:600; padding:6px 10px; border-radius:8px;
  transition:background .15s,color .15s,border-color .15s;
}
.lang-btn:hover { color:var(--ink); border-color:var(--ink-soft); }
.lang-btn.active { background:var(--emerald); color:#fff; border-color:var(--emerald); }
.lang-btn .lang-flag { font-size:.95rem; }
@media (max-width:640px){
  .lang-switch { width:100%; order:3; margin-top:8px; }
  .lang-btn { font-size:.75rem; padding:5px 8px; }
}

/* ad slot placeholder */
.ad-slot {
  margin: 30px 0; padding: 18px; text-align: center; min-height: 90px;
  border: 1px dashed var(--line); border-radius: 10px; color: var(--ink-soft);
  font-size: .82rem; display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0,0,0,.012) 10px, rgba(0,0,0,.012) 20px);
}

.staggered > * { animation: rise .6s cubic-bezier(.2,.7,.3,1) backwards; }
.staggered > *:nth-child(2){ animation-delay:.06s } .staggered > *:nth-child(3){ animation-delay:.12s }
.staggered > *:nth-child(4){ animation-delay:.18s } .staggered > *:nth-child(5){ animation-delay:.24s }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }