/* ==========================================================================
   DTI PROS · Servicios (servicios.php)
   Secuencia del master: hero, índice, 01 impresión, 02 corte, 03 asesoramiento,
   pasos, preguntas frecuentes y tira de servicios.
   Hero, pasos, FAQ y foco de luz son componentes de header.css
   ========================================================================== */

/* Índice fijo bajo la cabecera (servicios.js marca el apartado visible) */
.idx { position: sticky; top: var(--header-h); z-index: 50; background: rgba(7, 13, 28, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line-2); }
.idx__grid { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.idx a { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border-left: 1px solid var(--line-2); color: var(--muted); transition: color .25s, background .25s; }
.idx a:first-child { border-left: 0; }
.idx a:hover, .idx a.is-active { color: var(--white); background: rgba(31, 91, 255, .08); }
.idx__n { font-size: 30px; color: transparent; -webkit-text-stroke: 1.2px var(--blue-2); transition: color .25s; }
.idx a.is-active .idx__n { color: var(--blue-2); }
.idx b { display: block; font: 700 16px/1.2 var(--label); letter-spacing: .1em; text-transform: uppercase; }
.idx small { font-size: 13px; color: var(--muted-2); }
.idx a > span:last-child { min-width: 0; }
.idx b, .idx small { overflow-wrap: anywhere; hyphens: auto; }
.idx__bar { position: absolute; left: 0; bottom: -1px; width: calc(100% / 3); height: 2px; background: var(--blue); box-shadow: 0 0 12px var(--glow); transform: translateX(calc(var(--k, 0) * 100%)); transition: transform .5s cubic-bezier(.2, .7, .2, 1); }
.sv { scroll-margin-top: calc(var(--header-h) + 80px); }

/* 01 · Tarjetas por técnica */
.tiers { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.tier { display: flex; flex-direction: column; overflow: hidden; border-radius: 18px; border: 1px solid var(--line); background: var(--panel); transition: transform .35s cubic-bezier(.2, .7, .2, 1), border-color .3s, box-shadow .35s; }
.tier:hover { transform: translateY(-8px); border-color: rgba(76, 132, 255, .7); box-shadow: 0 30px 60px -24px var(--glow); }
.tier__im { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.tier__im img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .9s cubic-bezier(.2, .7, .2, 1); }
.tier:hover .tier__im img { transform: scale(1.07); }
.tier__tag { position: absolute; left: 12px; bottom: 12px; padding: 7px 14px; border-radius: 8px; background: rgba(4, 7, 15, .82); color: var(--blue-3); font-size: 22px; }
.tier__bd { flex: 1; display: flex; flex-direction: column; gap: 12px; padding: 20px; }
.tier__bd p { margin: 0; color: var(--muted); font-size: 15px; }
.tier__bd ul { list-style: none; margin: 0 0 6px; padding: 0; display: grid; gap: 6px; font-size: 15px; }
.tier__bd li::before { content: "// "; color: var(--blue-2); font: italic 700 14px var(--label); }
.tier__bd .btn { margin-top: auto; min-height: 44px; font-size: 14px; }
.tier--gold { border-color: rgba(217, 164, 74, .45); }
.tier--gold .tier__tag { color: var(--gold-2); }
.tier--gold li::before { color: var(--gold-2); }
.tier--gold:hover { border-color: var(--gold); box-shadow: 0 30px 60px -24px rgba(217, 164, 74, .45); }
.perks { list-style: none; margin: 16px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.perks li { padding: 18px 20px; border-radius: 14px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .015); }
.perks b { display: block; margin-bottom: 4px; font: 700 16px/1.2 var(--label); letter-spacing: .1em; text-transform: uppercase; }
.perks span { font-size: 14px; color: var(--muted); }

/* 02 · Corte */
.sv2 { background: linear-gradient(180deg, transparent, rgba(31, 91, 255, .06) 50%, transparent); }
.cut { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.cut__photo { aspect-ratio: 1389 / 1132; border: 1px solid var(--line); box-shadow: 0 40px 80px -36px rgba(0, 0, 0, .9); }
.ask { display: inline-flex; margin: 16px 0 0; padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(217, 164, 74, .45); color: var(--gold-2); font: 700 13px/1 var(--label); letter-spacing: .14em; text-transform: uppercase; }
.cut__lead { margin: 18px 0 22px; color: var(--muted); max-width: 540px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 26px; }
.compare > div { padding: 18px; border-radius: 14px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .015); }
.compare .compare__yes { border-color: rgba(76, 132, 255, .6); background: rgba(31, 91, 255, .08); }
.compare b { display: block; margin-bottom: 8px; font: 700 16px/1.2 var(--label); letter-spacing: .1em; text-transform: uppercase; }
.compare__yes b { color: var(--blue-3); }
.compare ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 14px; color: var(--muted); }

/* 03 · Asesoramiento */
.adv { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.acard { padding: clamp(24px, 3vw, 34px); border-radius: 18px; border: 1px solid var(--line); background: var(--panel); }
.acard h3 { font-size: clamp(28px, 2.8vw, 38px); margin-bottom: 18px; }
.acard .ticks { margin: 0; }
.specs { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 28px; align-items: center; margin-top: 16px; padding: clamp(24px, 3vw, 36px); border-radius: 18px; border: 1px solid var(--line); background: linear-gradient(120deg, #0A1A4A, var(--bg-2) 70%); }
.specs__intro h3 { font-size: clamp(28px, 3vw, 40px); }
.specs__intro p { margin: 10px 0 0; color: var(--muted); }
.specs__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.specs__list li { padding: 16px 12px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(4, 7, 15, .5); }
.specs__list b { display: block; font-size: 22px; color: var(--blue-3); }
.specs__list span { font-size: 13px; color: var(--muted-2); }
.talk { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; margin-top: 16px; padding: 22px 26px; border-radius: 18px; border: 1.5px dashed var(--line); }
.talk p { margin: 0; max-width: 560px; color: var(--muted); }
.talk b { display: block; font: 700 18px/1.2 var(--label); letter-spacing: .08em; text-transform: uppercase; color: var(--white); }
.talk__ctas { display: flex; flex-wrap: wrap; gap: 10px; }

@media (max-width: 1100px) {
  .tiers, .perks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .specs__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .cut, .adv, .specs { grid-template-columns: 1fr; }
  .idx small { display: none; }
  .idx a { padding: 12px 10px; gap: 8px; }
  .idx b { font-size: 13px; letter-spacing: .06em; }
  .idx__n { font-size: 22px; }
}
@media (max-width: 560px) {
  .tiers, .perks, .compare { grid-template-columns: 1fr; }
  .idx b { font-size: 11px; }
}