/* =========================================================
   style.css — Personalització sobre Bootstrap 5
   Direcció d'art: revista de passatemps de quiosc.
   Paper, tinta, llapis vermell (el que encercla les paraules)
   i subratllador groc. Tipografia editorial:
     - Archivo (900) per a titulars: masthead de revista
     - Source Serif 4 per al cos: to editorial
     - IBM Plex Mono per a specs i etiquetes: la graella de lletres
   Tots els noms de classe són humanitzats i descriptius.
   ========================================================= */

:root {
  --paper-white: #f7f4ec;        /* paper de revista, lleugerament càlid */
  --paper-shade: #efeadd;        /* segona tinta de paper per a blocs */
  --pencil-ink: #23222a;         /* tinta principal */
  --pencil-soft: #6c6a63;        /* tinta secundària */
  --red-pencil: #c8372d;         /* llapis vermell d'encerclar respostes */
  --highlighter-yellow: #ffe86b; /* subratllador */
  --grid-line: #d8d2c2;          /* línies de graella suaus */

  --font-headline: 'Archivo', sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-specs: 'IBM Plex Mono', monospace;
}

body {
  background: var(--paper-white);
  color: var(--pencil-ink);
  font-family: var(--font-body);
}

h1, h2, h3, .btn {
  font-family: var(--font-headline);
}

a { color: var(--pencil-ink); }
a:hover { color: var(--red-pencil); }

/* ---------- Barra superior tipus revista ---------- */
.masthead-topline {
  background: var(--pencil-ink);
  color: var(--paper-white);
  padding: 0.35rem 0;
}
.topline-note {
  font-family: var(--font-specs);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Capçalera / masthead ---------- */
.magazine-masthead {
  background: var(--paper-white);
  border-bottom: 3px solid var(--pencil-ink);
}
.magazine-masthead .nav-link {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--pencil-ink);
}
.magazine-masthead .nav-link:hover { color: var(--red-pencil); }

/* Logo: el nom del site "trobat" dins la graella */
.solved-logo {
  display: flex;
  align-items: center;
  gap: 1px;
  text-decoration: none;
}
.letter-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border: 1px solid var(--pencil-ink);
  font-family: var(--font-specs);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--pencil-ink);
  background: #fff;
}
.letter-tile.is-found {
  background: var(--highlighter-yellow);
}
.brand-tagline {
  margin-left: 0.6rem;
  font-family: var(--font-specs);
  font-size: 0.72rem;
  color: var(--pencil-soft);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Enllaç destacat del menú (Maker) amb efecte subratllador */
.highlighter-link {
  background: linear-gradient(transparent 55%, var(--highlighter-yellow) 55%);
  border-radius: 2px;
}

/* ---------- HERO: portada de revista ---------- */
.magazine-cover {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--grid-line);
  background:
    linear-gradient(var(--paper-white) 0%, var(--paper-white) 92%, var(--paper-shade) 100%);
}
.cover-kicker {
  font-family: var(--font-specs);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red-pencil);
  margin-bottom: 0.75rem;
}
.cover-headline {
  font-weight: 900;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
/* Paraula encerclada amb llapis vermell, com a la revista resolta */
.circled-word {
  position: relative;
  display: inline-block;
  padding: 0 0.15em;
}
.circled-word::after {
  content: "";
  position: absolute;
  inset: -0.12em -0.25em;
  border: 3px solid var(--red-pencil);
  border-radius: 50% / 55%;
  transform: rotate(-2deg);
  pointer-events: none;
}
.cover-standfirst {
  font-size: 1.15rem;
  max-width: 36rem;
  margin-top: 1rem;
  color: var(--pencil-ink);
}

/* Botons de tinta (substitueixen l'aspecte Bootstrap per defecte) */
.btn-ink {
  background: var(--pencil-ink);
  color: var(--paper-white);
  border: 2px solid var(--pencil-ink);
  border-radius: 0;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.btn-ink:hover { background: var(--red-pencil); border-color: var(--red-pencil); color: #fff; }
.btn-outline-ink {
  background: transparent;
  color: var(--pencil-ink);
  border: 2px solid var(--pencil-ink);
  border-radius: 0;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.btn-outline-ink:hover { background: var(--pencil-ink); color: var(--paper-white); }

/* Graella decorativa de portada */
.cover-grid {
  border: 2px solid var(--pencil-ink);
  background: #fff;
  padding: 0.5rem;
  max-width: 22rem;
  margin: 0 auto;
  box-shadow: 6px 6px 0 var(--paper-shade);
}
.cover-grid-row { display: flex; }
.cover-grid-row span {
  flex: 1;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-specs);
  font-weight: 600;
  font-size: 1rem;
  color: var(--pencil-ink);
}
.cover-grid-row .hit { background: var(--highlighter-yellow); }
.cover-grid-row .hit-alt {
  position: relative;
}
.cover-grid-row .hit-alt::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 2px solid var(--red-pencil);
  border-radius: 50%;
}

/* Franja de dades del hero */
.fact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 2px solid var(--pencil-ink);
  background: #fff;
}
.fact-item {
  flex: 1 1 auto;
  min-width: 8rem;
  padding: 0.8rem 1rem;
  border-right: 1px solid var(--grid-line);
  text-align: center;
}
.fact-item:last-child { border-right: 0; }
.fact-number {
  display: block;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.15rem;
}
.fact-label {
  display: block;
  font-family: var(--font-specs);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pencil-soft);
}

/* ---------- Titulars de secció ---------- */
.section-kicker {
  font-family: var(--font-specs);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pencil-soft);
  margin-bottom: 0.75rem;
}
.section-headline {
  font-weight: 900;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.4rem;
  border-bottom: 3px solid var(--pencil-ink);
  display: inline-block;
}

/* ---------- Navegació de descoberta ---------- */
.discovery-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.discovery-links a {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--pencil-ink);
  background: #fff;
  border: 2px solid var(--pencil-ink);
  padding: 0.45rem 0.9rem;
}
.discovery-links a:hover {
  background: var(--highlighter-yellow);
  color: var(--pencil-ink);
}

/* ---------- Targetes de categoria amb dades ---------- */
.spec-card {
  background: #fff;
  border: 2px solid var(--pencil-ink);
  padding: 1.1rem 1.2rem;
  text-decoration: none;
  color: var(--pencil-ink);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.spec-card:hover {
  color: var(--pencil-ink);
  box-shadow: 5px 5px 0 var(--highlighter-yellow);
  transform: translate(-2px, -2px);
}
.spec-card-title {
  display: block;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}
.spec-card-data {
  margin: 0;
  font-family: var(--font-specs);
  font-size: 0.78rem;
}
.spec-card-data > div {
  display: flex;
  justify-content: space-between;
  border-top: 1px dotted var(--grid-line);
  padding: 0.25rem 0;
}
.spec-card-data dt { font-weight: 600; color: var(--pencil-soft); text-transform: uppercase; letter-spacing: 0.05em; }
.spec-card-data dd { margin: 0; font-weight: 600; }
.spec-card-note {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--pencil-soft);
}

/* Xips de tema/estacional */
.theme-chip {
  background: #fff;
  border: 1px solid var(--pencil-ink);
  padding: 0.7rem 1rem;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--pencil-ink);
}
.theme-chip:hover { background: var(--highlighter-yellow); color: var(--pencil-ink); }
.see-all-link { font-family: var(--font-specs); font-size: 0.85rem; }

/* ---------- Bloc de metodologia ---------- */
.method-feature {
  background: var(--pencil-ink);
  color: var(--paper-white);
}
.method-feature .section-headline {
  border-bottom-color: var(--highlighter-yellow);
  color: var(--paper-white);
}
.method-lede {
  max-width: 46rem;
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}
.method-table {
  --bs-table-bg: transparent;
  color: var(--paper-white);
  font-family: var(--font-specs);
  font-size: 0.85rem;
  border-color: #4a4954;
}
.method-table thead th {
  color: var(--highlighter-yellow);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--highlighter-yellow);
}
.method-table tbody th {
  color: var(--paper-white);
  font-weight: 600;
}
.method-table td { color: #dedbd2; }
.method-footnote { font-size: 0.9rem; color: #b9b6ac; }
.method-footnote a { color: var(--highlighter-yellow); }

/* ---------- Trust ---------- */
.trust-point {
  border-left: 3px solid var(--red-pencil);
  padding-left: 1rem;
}
.trust-point h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}
.trust-point p { font-size: 0.92rem; margin-bottom: 0; color: var(--pencil-soft); }
.trust-tick {
  font-family: var(--font-specs);
  color: var(--red-pencil);
  font-weight: 700;
  margin-right: 0.3rem;
}

/* ---------- Targetes de puzzle ---------- */
.puzzle-card {
  border: 1px solid var(--pencil-ink);
  background: #fff;
  color: var(--pencil-ink);
  text-decoration: none;
  transition: box-shadow 0.15s ease;
}
.puzzle-card:hover {
  color: var(--pencil-ink);
  box-shadow: 4px 4px 0 var(--paper-shade);
}
.puzzle-specs {
  display: block;
  font-family: var(--font-specs);
  font-size: 0.7rem;
  color: var(--pencil-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Guies editorials ---------- */
.editorial-guides {
  background: var(--paper-shade);
  border-top: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
}
.guide-note h3 {
  font-size: 1.05rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}
.guide-note p { font-size: 0.95rem; margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item {
  border: 1px solid var(--pencil-ink);
  border-radius: 0;
  background: #fff;
  margin-bottom: 0.5rem;
}
.faq-accordion .accordion-button {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--pencil-ink);
  background: #fff;
  border-radius: 0;
  box-shadow: none;
}
.faq-accordion .accordion-button:not(.collapsed) {
  background: var(--highlighter-yellow);
  color: var(--pencil-ink);
}
.faq-accordion .accordion-body {
  font-size: 0.95rem;
}

/* ---------- Llistats i fitxes ---------- */
.category-intro h1 { font-weight: 900; }
.category-description { max-width: 44rem; }
.freshness-note {
  font-family: var(--font-specs);
  font-size: 0.8rem;
  color: var(--red-pencil);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.puzzle-preview { border: 2px solid var(--pencil-ink); }
.spec-sheet {
  font-family: var(--font-specs);
  font-size: 0.85rem;
}
.spec-sheet th { font-weight: 600; color: var(--pencil-soft); width: 40%; text-transform: uppercase; letter-spacing: 0.05em; }

.difficulty-badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  font-family: var(--font-specs);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid currentColor;
}
.difficulty-badge.level-easy   { color: #2e6e46; background: #e7f2ea; }
.difficulty-badge.level-medium { color: #8a6400; background: #fdf3d1; }
.difficulty-badge.level-hard   { color: var(--red-pencil); background: #fbe6e3; }

/* ---------- Peu / colofó ---------- */
.magazine-colophon {
  background: var(--pencil-ink);
  color: var(--paper-white);
}
.magazine-colophon a { color: var(--paper-white); text-decoration: none; }
.magazine-colophon a:hover { color: var(--highlighter-yellow); }
.footer-heading {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}
.colophon-line {
  border-top: 1px solid #4a4954;
  padding-top: 1rem;
  color: #b9b6ac;
}

/* ---------- Accessibilitat ---------- */
:focus-visible {
  outline: 3px solid var(--red-pencil);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  .spec-card, .puzzle-card, .category-card {
    transition: none;
  }
  .spec-card:hover { transform: none; }
}