/* Binaria — estils de les seccions de la home (assets/home.css).
   Compartit per les quatre versions d'idioma (/, /es/, /fr/, /en/).
   Cada secció té el CSS scopejat sota un root únic (README §5.5). */

/* ---------- Component topo lines (reutilitzable) ---------- */

.topo {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.topo svg { width: 100%; height: 100%; display: block; }
.topo svg g { fill: none; stroke-width: 1; }
.topo[data-topo="green"] svg g { stroke: var(--topo-stroke-green); }
.topo[data-topo="grey"] svg g { stroke: var(--topo-stroke-grey); }
/* Per a seccions fosques: el mateix traç, invertit (com al design system) */
.topo.topo-invert { filter: invert(1); opacity: 0.9; }

@media (prefers-reduced-motion: no-preference) {
  .topo svg { animation: binaria-drift 26s var(--ease-in-out) infinite alternate; }
  /* Pausat fora de viewport (ho commuta home.js amb IntersectionObserver) */
  .topo.is-off svg { animation-play-state: paused; }
}

/* ---------- Hero ---------- */

.s-hero {
  position: relative;
  background: var(--mesh-dawn), var(--surface-page);
  overflow: hidden;
}

.s-hero__in {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-6);
  padding-top: clamp(72px, 10vw, 120px);
  padding-bottom: clamp(72px, 9vw, 110px);
}

.s-hero__title {
  margin: 0;
  max-width: 820px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display-xl);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}

.s-hero__lead {
  margin: 0;
  max-width: 560px;
  font-size: var(--text-lead);
  color: var(--text-secondary);
}

.s-hero__ctas { display: flex; gap: var(--space-3); flex-wrap: wrap; }

.s-hero__trust {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.s-hero__trust li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-small);
  color: var(--text-muted);
}
.s-hero__trust i, .s-hero__trust svg { width: 16px; height: 16px; color: var(--forest); flex: none; }

/* ---------- Per a qui ---------- */

.s-perqui { position: relative; padding: var(--section-pad-y) 0; }

.s-perqui__head { max-width: 760px; margin-bottom: var(--space-12); }
.s-perqui__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display-lg);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
}

.s-perqui__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.s-perqui__card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.s-perqui__card:hover { box-shadow: var(--shadow-lift); transform: var(--hover-rise); }

.s-perqui__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--forest-tint);
  color: var(--forest);
  margin-bottom: var(--space-4);
}
.s-perqui__ico i, .s-perqui__ico svg { width: 22px; height: 22px; }

.s-perqui__card h3 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-body);
  font-size: 19px;
  font-weight: var(--weight-semibold);
  line-height: 1.3;
}
.s-perqui__card p { margin: 0; color: var(--text-secondary); }

.s-perqui__close {
  margin: var(--space-10) 0 0;
  color: var(--text-muted);
  font-style: italic;
  max-width: 640px;
}

@media (max-width: 760px) {
  .s-perqui__grid { grid-template-columns: 1fr; }
}

/* ---------- Serveis (sticky) ---------- */

.s-serveis {
  position: relative;
  background: var(--surface-sunken);
  padding: var(--section-pad-y) 0;
  overflow: hidden;
}

.s-serveis__in {
  position: relative;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-16);
  align-items: start;
}

.s-serveis__aside {
  position: sticky;
  top: 108px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.s-serveis__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display-lg);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
}

.s-serveis__stack { display: flex; flex-direction: column; gap: var(--space-8); }

.s-serveis__card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-10);
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.s-serveis__card:hover { box-shadow: var(--shadow-lift); transform: var(--hover-rise); }

.s-serveis__num {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--forest-soft);
  letter-spacing: 0.04em;
}

.s-serveis__card h3 {
  margin: var(--space-2) 0 var(--space-4);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display-md);
  line-height: 1.1;
  letter-spacing: var(--tracking-display);
}

.s-serveis__pitch {
  margin: 0 0 var(--space-6);
  font-size: var(--text-lead);
  line-height: 1.5;
  color: var(--text-secondary);
}

.s-serveis__list {
  list-style: none;
  margin: 0 0 var(--space-6);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.s-serveis__list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-body); }
.s-serveis__list svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 4px;
  color: var(--forest);
}

.s-serveis__price {
  margin: 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-small);
  color: var(--text-secondary);
}
.s-serveis__price strong { color: var(--text-body); font-weight: var(--weight-semibold); }

/* Targeta destacada: el pack, amb vora de gradient alpí (2px) */
.s-serveis__pack {
  background: var(--gradient-alpine);
  border-radius: calc(var(--radius-card) + var(--border-alpine-width));
  padding: var(--border-alpine-width);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.s-serveis__pack:hover { box-shadow: var(--shadow-lift); transform: var(--hover-rise); }

.s-serveis__packin {
  background: var(--surface-card);
  border-radius: var(--radius-card);
  padding: var(--space-10);
}
.s-serveis__packin h3 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display-md);
  line-height: 1.1;
  letter-spacing: var(--tracking-display);
}
.s-serveis__packin p { margin: 0 0 var(--space-6); color: var(--text-secondary); font-size: var(--text-body-size); }

@media (max-width: 900px) {
  .s-serveis__in { grid-template-columns: 1fr; gap: var(--space-10); }
  .s-serveis__aside { position: static; }
  .s-serveis__card, .s-serveis__packin { padding: var(--space-8); }
}

/* ---------- Qui som ---------- */

.s-quisom { position: relative; padding: var(--section-pad-y) 0; }

.s-quisom__in {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-16);
  align-items: center;
}

.s-quisom__photo { margin: 0; }
.s-quisom__ph {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, var(--stone-1), var(--stone-2));
  color: var(--ink-3);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}

.s-quisom__txt { display: flex; flex-direction: column; gap: var(--space-5); }
.s-quisom__txt h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display-lg);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
}
.s-quisom__txt p { margin: 0; color: var(--text-secondary); font-size: var(--text-body-size); max-width: 520px; }
.s-quisom__txt strong { color: var(--text-body); font-weight: var(--weight-semibold); }

.s-quisom__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-20);
}

.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__num {
  font-family: var(--font-display);
  font-size: var(--text-stat);
  line-height: 1;
  letter-spacing: var(--tracking-display);
  color: var(--text-body);
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--text-muted);
  max-width: 240px;
}

@media (max-width: 860px) {
  .s-quisom__in { grid-template-columns: 1fr; gap: var(--space-10); }
  .s-quisom__ph { aspect-ratio: 4 / 3; }
  .s-quisom__stats { grid-template-columns: 1fr; gap: var(--space-8); margin-top: var(--space-12); }
}

/* ---------- Testimonis (construït, encara ocult al HTML) ---------- */

.s-testimonis { position: relative; background: var(--surface-sunken); padding: var(--section-pad-y) 0; }

.s-testimonis__head { text-align: center; max-width: 640px; margin: 0 auto var(--space-12); }
.s-testimonis__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display-lg);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
}

.s-testimonis__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }

.s-testimonis__card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  box-shadow: var(--shadow-soft);
}
.s-testimonis__card figure { margin: 0; display: flex; flex-direction: column; gap: var(--space-5); }
.s-testimonis__card blockquote {
  margin: 0;
  font-size: var(--text-lead);
  line-height: 1.5;
  color: var(--text-body);
}
.s-testimonis__card figcaption { display: flex; align-items: center; gap: 12px; }
.s-testimonis__foto {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  flex: none;
  background: linear-gradient(160deg, var(--stone-1), var(--stone-2));
  color: var(--ink-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
}
.s-testimonis__nom { display: flex; flex-direction: column; }
.s-testimonis__nom b { font-size: var(--text-small); font-weight: var(--weight-semibold); }
.s-testimonis__nom span { font-size: var(--text-caption); color: var(--text-muted); }

@media (max-width: 760px) {
  .s-testimonis__grid { grid-template-columns: 1fr; }
}

/* ---------- Preguntes (FAQ) ---------- */
/* El root .faq és a propòsit: l'analítica (ANALYTICS-v5) escolta `.faq details summary`. */

.faq { position: relative; padding: var(--section-pad-y) 0; }

.faq__in { max-width: 820px; }

.faq__head { margin-bottom: var(--space-10); }
.faq__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display-lg);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
}

.faq__list { display: flex; flex-direction: column; }

.faq details {
  border-bottom: 1px solid var(--border-subtle);
}
.faq details:first-child { border-top: 1px solid var(--border-subtle); }

.faq summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  cursor: pointer;
  font-size: 19px;
  font-weight: var(--weight-semibold);
  color: var(--text-body);
  transition: color var(--duration-fast) var(--ease-out);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--forest); }

.faq summary svg {
  width: 20px;
  height: 20px;
  flex: none;
  color: var(--forest);
  transition: transform var(--duration-base) var(--ease-out);
}
.faq details[open] summary svg { transform: rotate(45deg); }

.faq .faq__a { padding: 0 0 var(--space-6); max-width: 680px; }
.faq .faq__a p { margin: 0; color: var(--text-secondary); }

/* ---------- Contacte (CTA final) ---------- */

.s-contacte {
  position: relative;
  background: var(--surface-inverse);
  color: var(--paper);
  padding: var(--section-pad-y) 0;
  overflow: hidden;
}

.s-contacte__in {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.s-contacte__txt { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-6); }
.s-contacte__txt h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-display-lg);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  color: var(--paper);
}
.s-contacte__txt p {
  margin: 0;
  font-size: var(--text-lead);
  color: rgba(250, 248, 244, 0.7);
  max-width: 480px;
}

.s-contacte__form {
  background: rgba(250, 248, 244, 0.04);
  border: 1px solid rgba(250, 248, 244, 0.14);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.s-contacte__form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  color: rgba(250, 248, 244, 0.85);
}

.s-contacte__form input,
.s-contacte__form select {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  color: var(--paper);
  background: rgba(250, 248, 244, 0.06);
  border: 1px solid rgba(250, 248, 244, 0.2);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}
.s-contacte__form input::placeholder { color: rgba(250, 248, 244, 0.35); }
.s-contacte__form select { appearance: none; }
.s-contacte__form select option { color: var(--ink); background: var(--paper); }
.s-contacte__form input:focus,
.s-contacte__form select:focus {
  border-color: var(--ice);
  box-shadow: 0 0 0 3px rgba(194, 216, 225, 0.25);
}

/* Camp trampa per a bots: fora de la vista, mai display:none (alguns bots ho detecten) */
.s-contacte__hp {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.s-contacte__form .btn { align-self: flex-start; margin-top: var(--space-2); }

.s-contacte__note {
  margin: 0;
  font-size: var(--text-caption);
  color: rgba(250, 248, 244, 0.45);
}

.s-contacte__msg { margin: 0; font-size: var(--text-small); font-weight: var(--weight-medium); }
.s-contacte__msg.is-ok { color: var(--ice); }
/* Error llegible sobre fons fosc, derivat del token --error (mai hex nous) */
.s-contacte__msg.is-err { color: color-mix(in srgb, var(--error) 55%, var(--paper)); }

@media (max-width: 860px) {
  .s-contacte__in { grid-template-columns: 1fr; gap: var(--space-10); }
}