/* ==========================================================================
   TALLER ATLAS — Vistas: portada, catálogo de especialidad, página de herramienta
   ========================================================================== */

/* ---------- PORTADA (Nivel 1) ---------- */
.home { max-width: var(--maxw); margin: 0 auto; padding: clamp(56px, 9vh, 104px) var(--gutter) 72px; }
.hero { text-align: center; max-width: 760px; margin: 0 auto clamp(40px, 6vh, 60px); }
.hero__title {                 /* misma letra y dorado del «ATLAS» del portal */
  font-family: var(--brand); font-weight: 400; line-height: 1.04;
  font-size: clamp(42px, 7.2vw, 76px);
  letter-spacing: .12em; padding-left: .12em;   /* compensa el espaciado final para centrar */
  color: #eef3f8;
}
.hero__title span { -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__title-a { background-image: linear-gradient(180deg, #fff 0%, #eef3f8 45%, #c3d0dc 100%); }
.hero__title-b { background-image: linear-gradient(180deg, #f6e2b0 0%, #dcb86e 55%, #b88d43 100%); }
@media (max-width: 400px) { .hero__title { letter-spacing: .07em; padding-left: .07em; } }
.hero__tagline { font-family: var(--serif); font-style: italic; color: var(--gold); font-size: clamp(18px, 2.2vw, 22px); margin-top: 10px; }
.hero__desc { color: var(--muted); font-size: clamp(14px, 1.6vw, 16px); margin-top: 14px; }
.hero__rule { width: 64px; height: 1px; margin: 26px auto 0; background: linear-gradient(90deg, transparent, var(--gold), transparent); opacity: .7; }

.spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.spec-card {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 300px; padding: 28px;
  display: flex; flex-direction: column; justify-content: flex-end;
  background: var(--card); border: 1px solid var(--border); border-radius: 3px;
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease);
}
.spec-card::after {            /* retículas en esquinas (precisión cartográfica) */
  content: ""; position: absolute; inset: 10px; z-index: 2; pointer-events: none; opacity: 0;
  background:
    linear-gradient(var(--cyan), var(--cyan)) top left / 14px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) top left / 1px 14px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) bottom right / 14px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) bottom right / 1px 14px no-repeat;
  transition: opacity .35s var(--ease), inset .35s var(--ease);
}
.spec-card:hover, .spec-card:focus-visible { border-color: rgba(0, 212, 255, .42); box-shadow: 0 6px 28px rgba(0, 212, 255, .07); }
.spec-card:hover::after, .spec-card:focus-visible::after { opacity: .75; inset: 14px; }
.spec-card__img {
  position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: 70% center;
  transform: scale(1.01); transition: transform 1.1s var(--ease), filter .6s var(--ease);
  filter: saturate(1.08) brightness(1.4) contrast(1.06);
}
.spec-card:hover .spec-card__img { transform: scale(1.06); filter: saturate(1.15) brightness(1.62) contrast(1.06); }
.spec-card__img--claro { display: none; }               /* versión para el modo claro */
.spec-card__shade {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to top, rgba(5, 10, 18, .96) 0%, rgba(5, 10, 18, .62) 34%, rgba(5, 10, 18, .08) 78%),
    linear-gradient(to right, rgba(5, 10, 18, .86) 0%, rgba(5, 10, 18, .38) 46%, transparent 78%);
}
.spec-card__num { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: .12em; }
.spec-card__title { font-family: var(--serif); font-weight: 500; font-size: clamp(22px, 2.4vw, 27px); letter-spacing: .01em; margin-top: 6px; color: var(--text); transition: color .25s; }
.spec-card:hover .spec-card__title { color: #fff; }
.spec-card__desc { color: var(--muted); font-size: 14px; margin-top: 7px; max-width: 460px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.spec-card__cta { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; font-family: var(--mono); font-size: 12px; color: var(--cyan); }
.spec-card__cta span { transition: transform .25s var(--ease); }
.spec-card:hover .spec-card__cta span { transform: translateX(4px); }
.spec-card__count { position: absolute; top: 20px; right: 22px; z-index: 3; font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .06em; padding: 4px 10px; border-radius: 999px; background: rgba(5, 10, 18, .62); border: 1px solid rgba(122, 143, 163, .14); backdrop-filter: blur(4px); }

.home-foot { margin-top: 30px; display: flex; justify-content: center; gap: 10px; align-items: center; color: var(--dim); font-family: var(--mono); font-size: 11.5px; text-align: center; }
.home-foot .ico { color: var(--muted); }

/* ---------- CATÁLOGO (Nivel 2) ---------- */
.cat-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.cat-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-top: 22px; }
.search { position: relative; width: min(340px, 100%); }
.search .ico { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search input {
  width: 100%; height: 44px; padding: 0 56px 0 40px;
  background: var(--card); border: 1px solid #162536; border-radius: 12px; color: var(--text); font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
}
.search input::placeholder { color: var(--dim); }
.search input:focus { outline: none; border-color: rgba(0, 212, 255, .45); box-shadow: 0 0 0 3px rgba(0, 212, 255, .08); }
.search kbd {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  padding: 2px 7px; border-radius: 6px; border: 1px solid #1b2b3d; background: #0c1824;
  font-family: var(--mono); font-size: 10.5px; color: var(--muted);
}
.filters { display: flex; gap: 8px; margin-top: 26px; padding-bottom: 16px; border-bottom: 1px solid rgba(22, 37, 54, .7); overflow-x: auto; scrollbar-width: none; }
.filters::-webkit-scrollbar { display: none; }
.pill {
  flex: none; padding: 7px 15px; border-radius: 999px; border: 1px solid transparent; background: none;
  font-size: 12.5px; font-weight: 500; color: var(--muted); transition: all .2s var(--ease);
}
.pill:hover { color: var(--text); background: var(--card); }
.pill[aria-selected="true"] { background: rgba(0, 212, 255, .13); color: var(--cyan); border-color: rgba(0, 212, 255, .3); }

.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.tool-card {
  position: relative; display: flex; flex-direction: column; min-height: 210px; padding: 24px;
  background: var(--card); border: 1px solid #162536; border-radius: 13px;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.tool-card:hover, .tool-card:focus-visible { transform: translateY(-2px); border-color: rgba(0, 212, 255, .3); box-shadow: var(--shadow-lift); }
.tool-card__icon {
  width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center;
  background: var(--surface); border: 1px solid #162536; color: rgba(0, 212, 255, .82); transition: color .25s, border-color .25s;
}
.tool-card:hover .tool-card__icon { color: var(--cyan); border-color: rgba(0, 212, 255, .28); }
.tool-card h3 { font-size: 16px; font-weight: 500; margin-top: 18px; color: var(--text); transition: color .25s; }
.tool-card:hover h3 { color: var(--cyan); }
.tool-card p { font-size: 13.5px; color: var(--muted); margin-top: 7px; line-height: 1.6; }
.tool-card__foot { margin-top: auto; padding-top: 18px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.tool-card__arrow { margin-left: auto; color: var(--muted); transition: transform .25s var(--ease), color .25s; }
.tool-card:hover .tool-card__arrow { color: var(--cyan); transform: translateX(4px); }
.cat-empty { text-align: center; color: var(--muted); padding: 60px 0; }

/* ---------- HERRAMIENTA (Nivel 3) ---------- */
.tool-head { margin: 22px 0 30px; }
.tool-head .back-link { margin: 14px 0 10px; }
.workspace { display: grid; grid-template-columns: minmax(0, 8fr) minmax(300px, 4fr); gap: 30px; align-items: start; }
.workspace--wide { grid-template-columns: minmax(0, 1fr); }
.ws-main { min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.ws-side { position: sticky; top: 86px; display: flex; flex-direction: column; gap: 16px; min-width: 0; }

@media (max-width: 1024px) {
  .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workspace { grid-template-columns: minmax(0, 1fr); }
  .ws-side { position: static; }
}
@media (max-width: 760px) {
  .spec-grid { grid-template-columns: 1fr; gap: 16px; }
  .spec-card { min-height: 240px; padding: 22px; }
  .tool-grid { grid-template-columns: 1fr; gap: 14px; }
  .tool-card { min-height: 0; }
  .search { width: 100%; }
}