/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #0f1115;
  --bg-2:      #14171d;
  --ink:       #ffffff;
  --ink-2:     #c3ccd6;
  --ink-3:     #8795a3;
  --accent:    #4db8ff;
  --accent-d:  #1d7fb5;
  --line:      rgba(255,255,255,.14);
  --line-2:    rgba(255,255,255,.08);
  --sans:      "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:      "IBM Plex Mono", ui-monospace, "Consolas", monospace;
  --gutter:    clamp(1.1rem, 4vw, 3.5rem);
  --maxw:      1180px;
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; line-height: 1.1; letter-spacing: -.025em; color: var(--ink); font-weight: 800; }
ul { list-style: none; padding: 0; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 999;
  padding: .6rem 1rem; background: var(--accent); color: var(--bg); font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   3. Nav
   ============================================================= */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15,17,21,.92);
  border-bottom: 1px solid var(--line);
}
@supports (backdrop-filter: blur(8px)) {
  .nav { background: rgba(15,17,21,.78); backdrop-filter: blur(10px); }
}
.nav-in {
  max-width: var(--maxw); margin: 0 auto; padding: .85rem var(--gutter);
  display: flex; align-items: center; gap: 1rem; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: .6rem; color: var(--ink); }
.brand-txt { font-weight: 800; letter-spacing: .18em; font-size: .95rem; }
.brand-txt span { color: var(--accent); }
.nav-links { display: none; gap: 1.6rem; font-size: .9rem; }
.nav-links a { color: var(--ink-3); transition: color .2s var(--ease-out); }
.nav-links a:hover { color: var(--ink); }

/* =============================================================
   4. Buttons
   ============================================================= */
.btn {
  display: inline-block; padding: .85rem 1.5rem;
  background: var(--accent); color: #0b0d10;
  font-weight: 600; font-size: .95rem; letter-spacing: .01em;
  border: 1px solid var(--accent);
  transition: background .18s var(--ease-out), color .18s var(--ease-out);
}
.btn:hover { background: transparent; color: var(--accent); }
.btn-sm { padding: .5rem 1rem; font-size: .85rem; }
.btn-lg { padding: 1.05rem 2.2rem; font-size: 1.05rem; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* =============================================================
   5. Grid system (hairlines as design element)
   ============================================================= */
.grid {
  display: grid; grid-template-columns: 1fr; gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
}
.cell { background: var(--bg); padding: clamp(1.4rem, 3vw, 2.4rem); }

.sec { max-width: var(--maxw); margin: 0 auto; padding: clamp(3.4rem, 8vw, 6rem) var(--gutter) 0; }
.sec:last-of-type { padding-bottom: 0; }
.kicker {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: .7rem;
}
.sec h2 { font-size: clamp(1.75rem, 4.4vw, 2.6rem); margin-bottom: 1.6rem; }
.lbl {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-3); margin: 1.2rem 0 .5rem;
}
.note { color: var(--ink-3); font-size: .95rem; margin-top: 1.2rem; }

/* =============================================================
   6. Hero
   ============================================================= */
.hero { max-width: var(--maxw); margin: 0 auto; padding: clamp(2.6rem, 7vw, 5rem) var(--gutter) 0; }
.hero h1 { font-size: clamp(2.1rem, 6.4vw, 4rem); margin-bottom: 1.1rem; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: clamp(1rem, 1.6vw, 1.15rem); max-width: 54ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.hero-side { display: flex; align-items: center; }
.specs { width: 100%; }
.specs > div {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: .75rem 0; border-bottom: 1px solid var(--line-2);
}
.specs > div:last-child { border-bottom: 0; }
.specs dt { color: var(--ink-3); font-size: .9rem; }
.specs dd { color: var(--ink); font-weight: 600; }

/* =============================================================
   7. Marquee (signature)
   ============================================================= */
.marquee {
  margin-top: clamp(2.4rem, 6vw, 4rem);
  border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2);
  overflow: hidden; padding: .8rem 0;
}
.marquee-track {
  display: flex; gap: 2.6rem; width: max-content;
  animation: slide 46s linear infinite;
  font-family: var(--mono); font-size: .82rem; color: var(--ink-3);
  white-space: nowrap;
}
.marquee-track span::before { content: "■ "; color: var(--accent); font-size: .7em; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* =============================================================
   8. Servicios
   ============================================================= */
.svc-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: .9rem; margin-bottom: 1rem; }
.svc h3 { font-size: clamp(1.25rem, 2.4vw, 1.55rem); }
.price { font-size: 1.9rem; font-weight: 600; color: var(--accent); }
.svc-for { color: var(--ink-2); }
.list li { position: relative; padding-left: 1.4rem; margin-bottom: .5rem; font-size: .96rem; }
.list li::before { content: "+"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); }
.list-no li::before { content: "−"; color: var(--ink-3); }
.list-no li { color: var(--ink-3); }
.svc .btn-ghost { margin-top: 1.5rem; }

/* =============================================================
   9. Pasos, quién, zona
   ============================================================= */
.num { font-size: 1.6rem; color: var(--accent); margin-bottom: .4rem; }
.step h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.big { font-size: 1.3rem; color: var(--ink); font-weight: 600; margin-bottom: .5rem; }

.zona p:last-child { font-size: .95rem; }

/* =============================================================
   10. FAQ
   ============================================================= */
.faq { display: grid; gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); }
.faq details { background: var(--bg); padding: 1.1rem clamp(1.1rem, 3vw, 2rem); }
.faq summary {
  cursor: pointer; font-weight: 600; color: var(--ink); font-size: 1.02rem;
  list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--accent); font-size: 1.3rem; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: .7rem; font-size: .96rem; max-width: 70ch; }

/* =============================================================
   11. CTA + footer
   ============================================================= */
.cta { margin-top: clamp(3.4rem, 8vw, 6rem); border-top: 1px solid var(--line); background: var(--bg-2); }
.cta-in { max-width: var(--maxw); margin: 0 auto; padding: clamp(2.8rem, 7vw, 4.5rem) var(--gutter); text-align: center; }
.cta h2 { font-size: clamp(1.6rem, 4vw, 2.3rem); margin-bottom: .6rem; }
.cta p { margin-bottom: 1.6rem; }
.phone { margin-top: 1.1rem; color: var(--ink-3); font-size: .95rem; }
.foot { border-top: 1px solid var(--line); }
.foot-in {
  max-width: var(--maxw); margin: 0 auto; padding: 2.4rem var(--gutter) 1.4rem;
  display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between;
}
.foot .brand-txt { font-size: 1rem; }
.fmeta { font-size: .88rem; color: var(--ink-3); margin-top: .4rem; }
.fcols { display: flex; gap: 2.6rem; flex-wrap: wrap; font-size: .9rem; }
.fcols .lbl { margin-top: 0; }
.fcols a:hover { color: var(--accent); }
.legal {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter) 2.4rem;
  font-size: .76rem; color: var(--ink-3); line-height: 1.6;
}

/* =============================================================
   12. Reveals
   ============================================================= */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.is-in, .no-js .reveal { opacity: 1; transform: none; }

/* =============================================================
   13. Responsive
   ============================================================= */
@media (min-width: 720px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .hero .grid { grid-template-columns: 1.55fr 1fr; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .zona { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 960px) {
  .nav-links { display: flex; }

}

/* =============================================================
   14. Reduced motion (solo lo intrusivo)
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track { animation: none; }
}