/* Aprender Portugués — hoja de estilos (mismo diseño que Parla Català) */

@font-face { font-family: "Bricolage"; src: url(../fonts/bricolage-grotesque-latin-standard-normal.woff2) format("woff2"); font-weight: 200 800; font-stretch: 75% 100%; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url(../fonts/fraunces-latin-standard-normal.woff2) format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }

:root {
  /* Paleta base */
  --pedra: #EDEBE4;        /* fondo beige del sitio */
  --pedra-2: #E3E0D6;      /* superficies hundidas */
  --panel: #F7F5EE;        /* panel claro del sitio */
  --basalto: #333333;      /* texto */
  --basalto-2: #634F4F;    /* texto secundario (marrón del sitio) */
  --gris: #7F7F8C;         /* gris del logotipo */
  --linea: #D3CCBE;        /* bordes, derivado de #AFA390 */
  --linea-2: #AFA390;
  --marca: #F8582A;        /* naranja del logotipo */
  --azulejo: #B23A12;      /* enlaces y palabras con audio: naranja oscuro legible */
  --azulejo-2: #FBE3D8;
  --boton: #E04A1C;        /* fondo de botones */
  --br: #0B7A47;           /* Brasil */
  --br-bg: #E1EFE4;
  --pt: #9E1B32;           /* Portugal (granate, distinto del naranja) */
  --pt-bg: #F5E1E3;
  --sol: #E9A824;          /* progreso, foco */
  --ok: #0B7A47;
  --ko: #9E1B32;
  --card: #FFFFFF;
  --wave-bg: #EDEBE4;

  --f-head: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  --f-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  --f-display: 'Fraunces', Georgia, serif;
  --measure: 68ch;
  --r: 8px;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --pedra: #1C1A17; --pedra-2: #26231F; --panel: #23201C; --basalto: #ECE8DF; --basalto-2: #C2B5A8; --gris: #A3A3AF;
    --linea: #3A352E; --linea-2: #5A5246; --marca: #FF7A52; --azulejo: #FF9470; --azulejo-2: #3A2318; --boton: #FF7A52;
    --br: #5CCB93; --br-bg: #142A1E; --pt: #F08A9A; --pt-bg: #3A1A20;
    --sol: #E9A824; --ok: #5CCB93; --ko: #F08A9A; --card: #24211D; --wave-bg: #1C1A17;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 16px; }
body { margin: 0; background: var(--pedra); color: var(--basalto); font: 400 1.0625rem/1.7 var(--f-body); }
body, input, button, select, textarea { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif !important; }
img, svg { max-width: 100%; }
a { color: var(--azulejo); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--sol); outline-offset: 2px; border-radius: 3px; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 14px; z-index: 50; }
.skip:focus { left: 8px; }
h1, h2, h3, h4 { font-family: var(--f-display) !important; line-height: 1.12; letter-spacing: -0.01em; font-weight: 600; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 4.4vw, 3.3rem); font-weight: 600; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.45rem, 2.4vw, 1.8rem); }
h3 { font-size: 1.2rem; }

/* ---------- capçalera: barra fosca (variant + cercador) i barra clara (marca + temari) ---------- */
:root { --tb-bg: #2B2622; --tb-text: #EDE7DD; --tb-muted: #B8ADA0; --tb-line: rgba(255,255,255,.16); --tb-field: rgba(255,255,255,.07); }
@media (prefers-color-scheme: dark) { :root { --tb-bg: #0F0E0C; --tb-line: rgba(255,255,255,.13); } }
.site-header { background: var(--panel); border-bottom: 1px solid var(--linea); }
.topbar { background: var(--tb-bg); color: var(--tb-text); }
.tb-inner { max-width: 1320px; margin: 0 auto; padding: 10px var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; }
.variant-wrap { display: flex; align-items: center; gap: 12px; }
.variant-label { font: 600 .95rem var(--f-head); color: var(--tb-muted); }

.hd-inner { max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter); display: flex; align-items: center; gap: 12px 32px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--basalto); padding: 18px 0; }
.brand-mark { width: 58px; height: 58px; flex: none; }
.brand-name { font: 750 2.5rem/1 "Bricolage", sans-serif; font-family: "Bricolage", -apple-system, 'Segoe UI', Roboto, Arial, sans-serif !important; letter-spacing: -0.02em; color: var(--gris); }
.brand-name b { color: var(--marca); font-weight: 750; }
.brand-sub { display: block; font: 500 .9rem/1.2 var(--f-head); color: var(--gris); letter-spacing: 0; margin-top: 6px; }
.main-nav { margin-left: auto; align-self: stretch; display: flex; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.main-nav li { display: flex; }
.main-nav a { display: flex; align-items: center; padding: 0 14px; text-decoration: none; color: var(--basalto); font: 600 1.1rem/1.2 var(--f-head); white-space: nowrap; box-shadow: inset 0 -3px 0 transparent; transition: box-shadow .15s, color .15s; }
.main-nav a:hover { color: var(--azulejo); box-shadow: inset 0 -3px 0 var(--linea-2); }
.main-nav a[aria-current] { color: var(--azulejo); box-shadow: inset 0 -3px 0 var(--azulejo); }
.nav-toggle { display: none; }

.search { position: relative; flex: 0 1 360px; }
.search input { width: 100%; font: 400 1.02rem var(--f-head); padding: 10px 14px 10px 40px; border: 1px solid var(--tb-line); border-radius: 999px; color: var(--tb-text);
  background: var(--tb-field) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23B8ADA0' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") no-repeat 14px center; }
.search input::placeholder { color: var(--tb-muted); opacity: 1; }
.search input:focus { border-color: rgba(255,255,255,.4); background-color: rgba(255,255,255,.12); outline-offset: 3px; }
.search-results { position: absolute; right: 0; top: calc(100% + 6px); width: min(420px, 90vw); max-height: 70vh; overflow: auto; margin: 0; padding: 6px; list-style: none; background: var(--card); border: 1px solid var(--linea); border-radius: var(--r); box-shadow: 0 12px 30px rgba(0,0,0,.14); }
.search-results a { display: block; padding: 8px 10px; border-radius: 4px; text-decoration: none; color: var(--basalto); line-height: 1.35; }
.search-results a small { display: block; color: var(--basalto-2); font-family: var(--f-head); font-size: .8rem; }
.search-results a:hover, .search-results [aria-selected="true"] a { background: var(--azulejo-2); }
.search-results .empty { padding: 10px; color: var(--basalto-2); font-size: .95rem; }

.variant { display: flex; border: 1px solid var(--tb-line); border-radius: 999px; padding: 4px; background: var(--tb-field); }
.variant button, .demo-switch button { font: 600 .85rem/1 var(--f-head); border: 0; background: none; color: var(--basalto-2); padding: 7px 11px; border-radius: 999px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.variant button { font-size: .98rem; padding: 9px 15px; color: var(--tb-text); }
.variant button:hover { background: rgba(255,255,255,.08); }
.variant button[aria-checked="true"] { background: #F7F5EE; color: #2B2622; }
.topbar .dot-br { background: #5CCB93; } .topbar .dot-pt { background: #F08A9A; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-br { background: var(--br); } .dot-pt { background: var(--pt); }

@media (max-width: 1100px) {
  .main-nav { margin-left: 0; flex-basis: 100%; border-top: 1px solid var(--linea); }
  .main-nav ul { margin-left: -14px; }
  .main-nav a { padding: 14px; }
  .brand { padding-bottom: 14px; }
}
@media (max-width: 760px) {
  .tb-inner { padding: 10px var(--gutter) 12px; }
  .search { flex: 1 1 100%; order: -1; }
  .variant-wrap { flex: 1 1 100%; }
  .variant-label { display: none; }
  .variant { flex: 1; justify-content: space-between; }
  .brand { padding: 14px 0; }
  .brand-mark { width: 46px; height: 46px; }
  .brand-name { font-size: 1.85rem; }
  .brand-sub { font-size: .8rem; }
  .nav-toggle { display: inline-flex; margin-left: auto; font: 600 1rem var(--f-head); background: none; border: 1px solid var(--linea); color: var(--basalto); padding: 9px 16px; border-radius: 999px; cursor: pointer; }
  .main-nav { border-top: 0; }
  .main-nav ul { display: none; flex-direction: column; margin: 0 0 8px; gap: 0; width: 100%; }
  .main-nav.open ul { display: flex; }
  .main-nav li { display: block; }
  .main-nav a { display: block; padding: 12px 4px; border-top: 1px solid var(--linea); box-shadow: none; }
  .main-nav a[aria-current] { box-shadow: none; }
}

/* ---------- variantes BR / PT ---------- */
html[data-variant="br"] .v-pt, html[data-variant="pt"] .v-br { display: none !important; }
html[data-variant="br"] .v-pt-box, html[data-variant="pt"] .v-br-box { display: none; }
html[data-variant="pt"] .conj tr.p-tu th { color: var(--basalto); }
html[data-variant="br"] .conj tr.p-tu { opacity: .55; }
.dual { display: inline; }
html[data-variant="ambos"] .dual { display: inline-flex; flex-wrap: wrap; gap: 2px 10px; }
html[data-variant="ambos"] .dual .w::before,
html[data-variant="ambos"] .only.v-br::before, html[data-variant="ambos"] .only.v-pt::before {
  font: 700 .62rem/1 var(--f-head); letter-spacing: .02em; padding: 3px 4px 2px; border-radius: 3px; margin-right: 5px; vertical-align: .18em; color: #fff;
}
html[data-variant="ambos"] .dual .v-br::before, html[data-variant="ambos"] .only.v-br::before { content: "BR"; background: var(--br); }
html[data-variant="ambos"] .dual .v-pt::before, html[data-variant="ambos"] .only.v-pt::before { content: "PT"; background: var(--pt); }
@media (prefers-color-scheme: dark) {
  html[data-variant="ambos"] .dual .w::before, html[data-variant="ambos"] .only::before { color: #111; }
}
.only.v-br + .only.v-pt { margin-left: .3em; }

/* palabra pronunciable */
.w { color: var(--azulejo); font-weight: 560; cursor: pointer; border-radius: 3px; }
.w:hover { background: var(--azulejo-2); }
.w.speaking { background: var(--sol); color: #333; }
.w-sample { color: var(--azulejo); font-weight: 560; }

/* ---------- portada ---------- */
.hero { max-width: 1320px; margin: 0 auto; padding: clamp(36px, 7vw, 88px) var(--gutter) clamp(32px, 5vw, 56px); display: grid; grid-template-columns: 1.3fr .7fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
/* portada: tipografia i colors del títol */
:root { --h-ink: #4A2A20; --h-accent: #C4572F; --h-lead: #5C4036; --h-btn: #DE6229; --h-pill: #F2E6DA; }
@media (prefers-color-scheme: dark) { :root { --h-ink: #F3E9DF; --h-accent: #FF9470; --h-lead: #D9C7B8; --h-btn: #E8743C; --h-pill: #3A2C25; } }
.hero-kicker { margin: 0 0 14px; font: 700 .9rem/1.2 var(--f-head); letter-spacing: .16em; text-transform: uppercase; color: var(--h-accent); }
.hero h1 { font: 600 clamp(58px, 5.7vw, 91px)/1.03 'Fraunces', Georgia, serif !important; letter-spacing: -0.02em; margin: 0 0 24px; max-width: none; color: var(--h-ink); }
.hero h1 .h1-a, .hero h1 .h1-b { display: block; }
.hero h1 .h1-b { color: var(--h-accent); }
.hero-lead { font: 400 1.22rem/1.6 var(--f-head); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif !important; max-width: 46ch; color: var(--h-lead); margin: 0; }
.hero-lead strong { font-weight: 650; color: var(--h-ink); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.btn.btn-hero { background: var(--h-btn); border-color: var(--h-btn); color: #fff; font: 700 1.2rem/1 var(--f-head); padding: 18px 26px; border-radius: 10px; display: inline-flex; align-items: center; gap: 34px; }
.btn.btn-hero:hover { filter: brightness(.94); }
.btn.btn-hero .arr { font-size: .8em; color: var(--h-ink); }
.btn-hero-2 { font: 700 1.1rem/1 var(--f-head); padding: 18px 22px; border-radius: 10px; }
.hero-lead, .hero-cta .btn, .hero-variant, .hero-variant button { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif !important; }
.hero-variant { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.hv-label { font: 700 .95rem var(--f-head); color: var(--h-ink); }
.variant.variant-pills { border: 0; padding: 0; background: none; gap: 10px; flex-wrap: wrap; flex: 0 1 auto; justify-content: flex-start; }
@media (max-width: 760px) { .hv-label { flex-basis: 100%; } .variant.variant-pills { gap: 8px; } .variant.variant-pills button { padding: 11px 15px; } }
.variant.variant-pills button { background: var(--h-pill); color: var(--h-ink); font: 700 .98rem/1 var(--f-head); padding: 11px 18px; }
.variant.variant-pills button:hover { filter: brightness(.96); background: var(--h-pill); }
.variant.variant-pills button[aria-checked="true"] { background: var(--h-btn); color: #fff; }
:root { --sombra: 0 1px 2px rgba(74,42,32,.06), 0 8px 24px rgba(74,42,32,.09); --sombra-hover: 0 2px 4px rgba(74,42,32,.07), 0 16px 36px rgba(74,42,32,.14); }
@media (prefers-color-scheme: dark) { :root { --sombra: 0 1px 2px rgba(0,0,0,.35), 0 8px 24px rgba(0,0,0,.35); --sombra-hover: 0 2px 4px rgba(0,0,0,.4), 0 16px 36px rgba(0,0,0,.5); } }
.hero-demo { margin: 0; background: var(--panel); border: 0; border-radius: 18px; padding: 28px 28px 22px; box-shadow: var(--sombra); }
.demo-es { margin: 0 0 12px; color: var(--basalto-2); font-style: italic; }
.demo-pt { margin: 0 0 16px; font-size: 1.45rem; line-height: 1.4; }
.demo-pt .w { font-weight: 600; }
html[data-variant="ambos"] .demo-pt .only { display: block; }
html[data-variant="ambos"] .demo-pt .only + .only { margin: 14px 0 0; }
.hero-demo figcaption { font: 400 .88rem/1.4 var(--f-head); color: var(--basalto-2); }
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
}

/* portada: per on vols començar */
.start { max-width: 1320px; margin: 0 auto; padding: clamp(24px, 4vw, 48px) var(--gutter) 8px; }
.start h2 { font-family: var(--f-display) !important; font-weight: 600; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.035em; line-height: 1.05; color: var(--h-ink); margin: 0 0 8px; }
.start-lead { font: 400 1.12rem/1.5 var(--f-head); color: var(--h-lead); margin: 0 0 26px; }
.start-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 20px; }
.start-card { display: flex; flex-direction: column; gap: 10px; padding: 28px 28px 24px; background: var(--panel); border: 0; border-radius: 18px; box-shadow: var(--sombra); text-decoration: none; color: var(--h-ink); transition: transform .18s, box-shadow .18s, border-color .18s; }
.start-card:hover { transform: translateY(-3px); box-shadow: var(--sombra-hover); }
.start-card:focus-visible { outline: 3px solid var(--sol); outline-offset: 3px; }
.sc-icon { width: 56px; height: 56px; border-radius: 16px; background: var(--h-pill); color: var(--h-btn); display: grid; place-items: center; margin-bottom: 6px; }
.sc-icon svg { width: 30px; height: 30px; }
.sc-meta { font: 700 .8rem/1.3 var(--f-head); letter-spacing: .08em; text-transform: uppercase; color: var(--h-accent); }
.sc-title { font-family: var(--f-display) !important; font-weight: 600; font-size: 2rem; line-height: 1.05; letter-spacing: -0.03em; }
.sc-text { font: 400 1.04rem/1.55 var(--f-head); color: var(--h-lead); flex: 1; }
.sc-go { font: 700 1.05rem var(--f-head); color: var(--h-btn); margin-top: 6px; }
.start-card:hover .sc-go span { margin-left: 4px; }
.sc-go span { transition: margin .18s; }
.start-variants { margin: 22px 0 0; font: 500 1.05rem/1.5 var(--f-head); color: var(--h-lead); }
.start-variants a { color: var(--h-btn); font-weight: 700; text-decoration: none; white-space: nowrap; }
.start-variants a:hover { text-decoration: underline; }
/* pàgines d'aterratge */
.is-landing .hero { grid-template-columns: 1.55fr .65fr; }
.is-landing .hero h1 { font-size: clamp(46px, 4.6vw, 72px); }
@media (max-width: 900px) { .is-landing .hero { grid-template-columns: 1fr; } .is-landing .hero h1 { font-size: clamp(40px, 9vw, 72px); } }
.landing-body.prose { max-width: 1320px; margin: 0 auto; padding: 8px var(--gutter) 40px; }
.landing-body p { max-width: 92ch; font-size: 1.1rem; }
.landing-body h2:first-child { margin-top: .4em; }
.landing-body h2 { font-family: var(--f-display) !important; font-weight: 600; letter-spacing: -0.03em; color: var(--h-ink); font-size: clamp(1.7rem, 3vw, 2.3rem); }
.landing-links { list-style: none; padding: 0; margin: 0 0 1em; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.landing-links li { background: var(--card); border: 1px solid var(--linea); border-radius: 12px; padding: 14px 18px; line-height: 1.35; margin: 0; }
.landing-links a { font: 650 1.02rem var(--f-head); text-decoration: none; color: var(--h-ink); display: block; }
.landing-links a:hover { color: var(--h-btn); }
.landing-links span { font: 500 .82rem var(--f-head); color: var(--h-lead); }
.landing-cta { margin-top: 2em; }
.map { max-width: 1320px; margin: 0 auto; padding: clamp(40px, 6vw, 72px) var(--gutter) 24px; }
.map-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.map-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 0; }
.overall { margin: 0; font-family: var(--f-head); color: var(--basalto-2); }
.map-sec { display: grid; grid-template-columns: minmax(220px, 300px) 1fr; gap: 12px 48px; padding: 28px; margin-bottom: 16px; background: var(--panel); border-radius: 12px; }
.map-sec-head h3 { font-size: 1.45rem; margin-bottom: .3em; }
.map-sec-head h3 a { color: var(--basalto); text-decoration: none; }
.map-sec-head h3 a:hover { color: var(--azulejo); }
.map-sec-head p { margin: 0 0 .6em; color: var(--basalto-2); font-size: .98rem; line-height: 1.55; }
.map .lesson-list { columns: 2 260px; column-gap: 40px; }
@media (max-width: 760px) { .map-sec { grid-template-columns: 1fr; } }

.lesson-list { list-style: none; counter-reset: ll; margin: 0; padding: 0; }
.lesson-list li { counter-increment: ll; break-inside: avoid; display: flex; align-items: baseline; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--linea); }
.lesson-list li::before { content: counter(ll); font: 600 .8rem/1 var(--f-head); color: var(--basalto-2); min-width: 1.6em; font-variant-numeric: tabular-nums; }
.lesson-list li.done::before { content: "✓"; color: var(--br); font-weight: 800; }
.lesson-list a { flex: 1; text-decoration: none; color: var(--basalto); font-family: var(--f-head); font-weight: 500; }
.lesson-list a:hover .ll-title { color: var(--azulejo); text-decoration: underline; }
.lesson-list.with-desc li { padding: 14px 0; }
.lesson-list.with-desc .ll-title { display: block; font-size: 1.12rem; font-weight: 650; }
.ll-desc { display: block; font-family: var(--f-body); color: var(--basalto-2); font-size: .97rem; line-height: 1.5; margin-top: 3px; }
.lvl { font: 700 .7rem/1 var(--f-head); padding: 4px 6px 3px; border-radius: 4px; border: 1px solid currentColor; color: var(--basalto-2); white-space: nowrap; }
.lvl-a { color: var(--br); } .lvl-b { color: var(--azulejo); }
.sec-progress { font: 500 .88rem/1.3 var(--f-head); color: var(--basalto-2); }
.sec-progress .bar { display: block; height: 6px; background: var(--pedra-2); border-radius: 3px; margin-top: 6px; overflow: hidden; max-width: 220px; }
.sec-progress .bar i { display: block; height: 100%; background: var(--sol); }

.how { max-width: 1320px; margin: 0 auto; padding: 40px var(--gutter) 80px; }
.how-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 28px 32px; margin: 18px 0 0; }
.how-list dt { font: 700 1.1rem/1.25 var(--f-head); margin-bottom: 6px; }
.how-list dd { margin: 0; color: var(--basalto-2); font-size: .98rem; line-height: 1.6; }

/* ---------- botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 650 .98rem/1 var(--f-head); padding: 12px 18px; border-radius: var(--r); border: 2px solid var(--boton); background: var(--boton); color: #fff; text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--azulejo); border-color: var(--azulejo); }
.btn-lg { padding: 15px 22px; font-size: 1.05rem; }
@media (prefers-color-scheme: dark) { .btn { color: #1C1A17; } .btn.ghost { color: var(--azulejo); } }

/* ---------- lección ---------- */
.lesson-layout { max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); }
.course-nav { position: sticky; top: 0; align-self: start; max-height: 100vh; overflow: auto; padding: 28px 6px 40px 0; font-family: var(--f-head); font-size: .92rem; scrollbar-width: thin; }
.cn-title { font-weight: 700; font-size: 1rem; margin: 0 0 8px; }
.course-nav details { border-top: 1px solid var(--linea); }
.course-nav summary { list-style: none; cursor: pointer; padding: 9px 0; display: flex; justify-content: space-between; gap: 8px; font-weight: 650; }
.course-nav summary::-webkit-details-marker { display: none; }
.course-nav summary a { color: var(--basalto); text-decoration: none; }
.course-nav summary::after { content: "+"; color: var(--basalto-2); }
.course-nav details[open] summary::after { content: "–"; }
.cn-count { margin-left: auto; color: var(--basalto-2); font-weight: 500; font-size: .8rem; }
.course-nav ol { list-style: none; margin: 0 0 10px; padding: 0; }
.course-nav li a { display: block; padding: 4px 8px; margin-left: -8px; border-radius: 4px; color: var(--basalto-2); text-decoration: none; line-height: 1.3; }
.course-nav li a:hover { color: var(--basalto); background: var(--pedra-2); }
.course-nav li a[aria-current] { color: var(--azulejo); background: var(--azulejo-2); font-weight: 650; }
.course-nav li a.done::after { content: " ✓"; color: var(--br); }
@media (max-width: 960px) {
  .lesson-layout { grid-template-columns: 1fr; }
  .course-nav { display: none; }
}

.lesson, .section-page { padding: 28px 0 80px; min-width: 0; max-width: 780px; }
.crumbs { font: 500 .88rem var(--f-head); color: var(--basalto-2); display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.crumbs a { color: var(--basalto-2); }
.lesson-head h1 { max-width: 22ch; }
.lesson-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; font: 500 .88rem var(--f-head); color: var(--basalto-2); margin: 0 0 14px; }
.lead { font-size: 1.15rem; color: var(--basalto-2); max-width: 60ch; }
.toc { border-left: 3px solid var(--sol); padding: 4px 0 4px 16px; margin: 26px 0 34px; font-family: var(--f-head); font-size: .95rem; }
.toc-t { font-weight: 700; margin: 0 0 6px; }
.toc ol { margin: 0; padding-left: 1.2em; columns: 2 220px; }
.toc a { color: var(--basalto); text-decoration: none; }
.toc a:hover { color: var(--azulejo); text-decoration: underline; }

.prose { max-width: var(--measure); }
.prose h2 { margin-top: 2.2em; padding-top: .2em; }
.prose h3 { margin-top: 1.8em; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.05em; }
.prose li { margin-bottom: .3em; }
.prose strong { font-weight: 650; }
.prose .tablewrap, .prose .examples, .prose .note, .prose .exercise { max-width: none; }

.tablewrap { overflow-x: auto; margin: 1.2em 0 1.6em; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: .98rem; line-height: 1.45; }
caption { text-align: left; font: 650 .95rem var(--f-head); padding-bottom: 8px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--linea); vertical-align: top; }
thead th { font: 650 .82rem/1.2 var(--f-head); color: var(--basalto-2); border-bottom: 2px solid var(--linea-2); }
tbody tr:hover { background: color-mix(in srgb, var(--pedra-2) 60%, transparent); }
.conj th[scope="row"] { font: 500 .92rem var(--f-head); color: var(--basalto-2); white-space: nowrap; }
.conj thead th { font-size: .95rem; color: var(--basalto); }
.note-cell { color: var(--basalto-2); font-size: .9rem; }
.vocab td:first-child { width: 45%; }

.examples { list-style: none; padding: 0; margin: 1em 0 1.6em; }
.examples li { padding: 10px 0 10px 16px; border-left: 3px solid var(--linea); margin-bottom: 8px; }
.examples .tr { display: block; color: var(--basalto-2); font-style: italic; font-size: .97rem; margin-top: 2px; }
html[data-variant="ambos"] .examples .dual { display: flex; flex-direction: column; gap: 4px; }

.note { margin: 1.4em 0 1.8em; padding: 14px 18px; border-radius: var(--r); background: var(--pedra-2); border-left: 4px solid var(--basalto-2); }
.note > :last-child { margin-bottom: 0; }
.note-t { font: 700 .92rem/1.2 var(--f-head); margin: 0 0 6px !important; }
.note-tip { border-color: var(--sol); }
.note-warn { border-color: var(--pt); }
.note-warn .note-t { color: var(--pt); }
.note-br { border-color: var(--br); background: var(--br-bg); }
.note-br .note-t { color: var(--br); }
.note-pt { border-color: var(--pt); background: var(--pt-bg); }
.note-pt .note-t { color: var(--pt); }
.note-info { border-color: var(--azulejo); background: var(--azulejo-2); }

/* ---------- ejercicios ---------- */
.exercise { margin: 3em 0 1em; padding: 22px clamp(16px, 3vw, 28px) 18px; background: var(--card); border: 1px solid var(--linea); border-top: 4px solid var(--marca); border-radius: var(--r); }
.exercise .ex-title { margin-top: 0; padding-top: 0; font-size: 1.35rem; }
.ex-list { margin: 0; padding-left: 1.3em; }
.ex-list > li { margin-bottom: 18px; }
.q-text { margin: 0 0 8px !important; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; }
.opt { font: 500 .98rem/1.3 var(--f-body); padding: 8px 14px; border: 1.5px solid var(--linea); border-radius: var(--r); background: var(--pedra); color: var(--basalto); cursor: pointer; text-align: left; }
.opt:hover:not(:disabled) { border-color: var(--azulejo); }
.opt:disabled { cursor: default; }
.opt.right { border-color: var(--ok); background: var(--br-bg); color: var(--basalto); font-weight: 650; }
.opt.wrong { border-color: var(--ko); background: var(--pt-bg); text-decoration: line-through; }
.exp { font-size: .95rem; color: var(--basalto-2); margin: 8px 0 0 !important; }
.exp.ok-t { color: var(--ok); }
.hint { font-size: .9rem; color: var(--basalto-2); font-style: italic; margin: 2px 0 0 !important; }
.gap { font: 600 1rem var(--f-body); padding: 3px 6px; border: 0; border-bottom: 2px solid var(--basalto-2); background: var(--pedra); color: var(--basalto); border-radius: 3px 3px 0 0; max-width: 100%; }
.gap:focus { outline: none; border-color: var(--azulejo); background: var(--azulejo-2); }
.gap.right { border-color: var(--ok); background: var(--br-bg); }
.gap.almost { border-color: var(--sol); background: color-mix(in srgb, var(--sol) 22%, transparent); }
.gap.wrong { border-color: var(--ko); background: var(--pt-bg); }
.ex-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.ex-actions .btn { padding: 10px 16px; font-size: .95rem; }
.score { font: 650 1rem var(--f-head); margin: 12px 0 0; min-height: 1em; }

.done-box { margin: 40px 0 0; padding: 22px 0; border-top: 1px solid var(--linea); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.done-btn[aria-pressed="true"] { background: var(--br); border-color: var(--br); }
.done-msg { margin: 0; font: 500 .95rem var(--f-head); color: var(--basalto-2); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 18px; }
.pg { display: block; padding: 14px 16px; border: 1px solid var(--linea); border-radius: var(--r); text-decoration: none; background: var(--card); }
.pg:hover { border-color: var(--azulejo); }
.pg.next { text-align: right; grid-column: 2; }
.pg-l { display: block; font: 500 .82rem var(--f-head); color: var(--basalto-2); }
.pg-t { display: block; font: 650 1rem/1.3 var(--f-head); color: var(--azulejo); margin-top: 3px; }
@media (max-width: 560px) { .pager { grid-template-columns: 1fr; } .pg.next { grid-column: 1; } }

.ad { margin: 2em 0; min-height: 100px; }

/* ---------- páginas ---------- */
.page { max-width: 760px; margin: 0 auto; padding: 48px var(--gutter) 80px; }

/* ---------- pie ---------- */
.site-footer { background: var(--panel); margin-top: 40px; border-top: 1px solid var(--linea); }
.ft-indep { font-size: .86rem; }
.ft-inner { max-width: 1320px; margin: 0 auto; padding: 40px var(--gutter) 20px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; font-size: .95rem; }
.ft-brand { font: 750 1.25rem "Bricolage", sans-serif; font-family: "Bricolage", -apple-system, 'Segoe UI', Roboto, Arial, sans-serif !important; letter-spacing: -0.02em; margin: 0 0 8px; color: var(--gris); }
.ft-brand b { color: var(--marca); }
.ft-about p { color: var(--basalto-2); max-width: 46ch; margin: 0 0 10px; }
.ft-h { font: 700 .95rem var(--f-head); margin: 0 0 8px; }
.ft-col ul { list-style: none; margin: 0; padding: 0; }
.ft-col li { margin-bottom: 4px; }
.ft-col a { color: var(--basalto); text-decoration: none; }
.ft-col a:hover { color: var(--azulejo); text-decoration: underline; }
.ft-copy { max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter) 24px; color: var(--basalto-2); font: 400 .85rem var(--f-head); }
@media (max-width: 760px) { .ft-inner { grid-template-columns: 1fr 1fr; } .ft-about { grid-column: 1 / -1; } }

@media print {
  .site-header, .course-nav, .site-footer, .pager, .done-box, .ad, .toc { display: none !important; }
  .lesson-layout { display: block; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translate(-50%, 140%); background: var(--basalto); color: var(--pedra); font: 500 .92rem/1.4 var(--f-head); padding: 12px 16px; border-radius: var(--r); max-width: min(460px, 92vw); z-index: 60; transition: transform .25s; }
.toast.show { transform: translate(-50%, 0); }

/* vocabulario en móvil: la nota pasa debajo de la fila */
@media (max-width: 560px) {
  .vocab thead { display: none; }
  .vocab tr { display: grid; grid-template-columns: 1.1fr 1fr; border-bottom: 1px solid var(--linea); }
  .vocab td { border-bottom: 0; padding: 9px 8px; }
  .vocab td:first-child { width: auto; }
  .vocab td.note-cell { grid-column: 1 / -1; padding-top: 0; font-size: .86rem; }
  .vocab td.note-cell:empty { display: none; }
}

.how-list a { color: var(--azulejo); }

@media (max-width: 420px) {
  .brand-sub { display: none; }
  .variant button { padding: 8px 8px; font-size: .86rem; }
}

/* formulari de contacte */
.contact-form { margin: 1.4em 0 0; display: grid; gap: 18px; max-width: 760px; }
.f-row { display: grid; gap: 6px; }
.f-row label { font-weight: 650; color: var(--h-ink); }
.f-row .f-opt { font-weight: 400; color: var(--basalto-2); font-size: .92em; }
.contact-form input[type=text], .contact-form input[type=email], .contact-form select, .contact-form textarea { width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border: 1px solid var(--linea); border-radius: 10px; background: var(--card); color: var(--basalto); }
.contact-form textarea { resize: vertical; min-height: 160px; line-height: 1.5; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 3px solid var(--sol); outline-offset: 1px; border-color: var(--linea-2); }
.f-two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .f-two { grid-template-columns: 1fr; } }
.f-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.f-check { display: flex; gap: 10px; align-items: flex-start; }
.f-check input { margin-top: 5px; width: 18px; height: 18px; flex: none; }
.f-info { margin: -6px 0 0; font-size: .86rem; color: var(--basalto-2); line-height: 1.5; }
.contact-form .btn-hero { justify-self: start; }
.form-ok, .form-err { border-radius: 14px; padding: 16px 20px; margin: 1.2em 0; }
.form-ok { background: var(--br-bg); color: var(--basalto); }
.form-err { background: var(--pt-bg); color: var(--basalto); }
.form-err ul { margin: 0; padding-left: 1.2em; }
.improve { margin: 18px 0 0; font-size: .95rem; color: var(--basalto-2); }

/* Aprender Portugués: la marca es más larga que «Parla Català» */
.brand-name { font-size: 2.15rem; }
@media (min-width: 1101px) and (max-width: 1360px) { .main-nav a { padding: 0 10px; font-size: 1.04rem; } }
@media (max-width: 760px) { .brand-name { font-size: 1.6rem; } }
@media (max-width: 480px) { .hd-inner { column-gap: 10px; } .brand-name { font-size: 1.3rem; } .brand-mark { width: 40px; height: 40px; } .brand { gap: 10px; } .nav-toggle { padding: 8px 12px !important; } }