/* ============================================================
   MODEL | ARQ — sistema de estilos
   Minimalista · tipografía protagonista · 3 direcciones
   ============================================================ */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }

/* ---------- tokens ---------- */
:root {
  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 72px);
  --paper: #ffffff;
  --ink: #0f0f0f;
  --muted: #8d8d87;
  --faint: #f4f3f0;
  --line: rgba(15,15,15,.13);
  --line-strong: rgba(15,15,15,.28);
  --accent: #0f0f0f;

  --font-display: "Archivo", sans-serif;
  --font-body: "Archivo", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --display-weight: 900;
  --display-tracking: -0.035em;
  --display-leading: 1.04;
  --display-transform: none;

  --dur: .5s;
  --ease: cubic-bezier(.16,.84,.44,1);
}

/* ===== Dirección 2 — Editorial Serif ===== */
[data-dir="2"] {
  --paper: #faf8f2;
  --ink: #1b1813;
  --muted: #97907f;
  --faint: #f0ece1;
  --line: rgba(27,24,19,.15);
  --line-strong: rgba(27,24,19,.32);
  --accent: #1b1813;
  --font-display: "Fraunces", serif;
  --display-weight: 900;
  --display-tracking: -0.02em;
  --display-leading: 1.04;
}

/* ===== Dirección 3 — Mono / Técnico ===== */
[data-dir="3"] {
  --paper: #ffffff;
  --ink: #10131a;
  --muted: #7b8090;
  --faint: #f2f5fb;
  --line: rgba(16,19,26,.16);
  --line-strong: rgba(31,79,214,.55);
  --accent: #1f4fd6;
  --font-display: "Archivo", sans-serif;
  --display-weight: 800;
  --display-tracking: -0.02em;
  --display-leading: 1.03;
}

/* ---------- base ---------- */
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
  overflow-x: hidden;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }

/* technical grid backdrop — only D3 */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  opacity: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: clamp(60px,8vw,110px) clamp(60px,8vw,110px);
  transition: opacity var(--dur) var(--ease);
}
[data-dir="3"] body::before { opacity: .5; }

main, header, footer { position: relative; z-index: 1; }

/* ---------- type scale ---------- */
.display {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  line-height: var(--display-leading);
  text-transform: var(--display-transform);
  margin: 0;
  text-wrap: balance;
}
.d-xxl { font-size: clamp(3rem, 9.5vw, 8.6rem); }
.d-xl  { font-size: clamp(2.4rem, 6.6vw, 5.3rem); }
.d-lg  { font-size: clamp(1.9rem, 4.2vw, 3.4rem); }
.d-md  { font-size: clamp(1.45rem, 2.6vw, 2.1rem); }

.lead {
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  line-height: 1.45;
  font-weight: 300;
  max-width: 30ch;
  text-wrap: pretty;
}
[data-dir="2"] .lead { font-weight: 400; }

.body-copy { max-width: 62ch; color: var(--ink); }
.body-copy p { margin: 0 0 1.2em; text-wrap: pretty; }
.muted { color: var(--muted); }

/* eyebrow / mono labels */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px; background: var(--line-strong);
  display: inline-block;
}
.eyebrow-sym::after {
  content: "";
  width: 26px; height: 1px; background: var(--line-strong);
  display: inline-block;
}
.eyebrow.no-rule::before { display: none; }

/* ---------- logo lockup ---------- */
.logo {
  display: inline-flex; align-items: baseline;
  font-family: "Archivo", sans-serif;
  font-size: 26px; letter-spacing: -0.02em; line-height: 1;
  color: var(--ink);
}
.logo .m { font-weight: 900; }
.logo .a { font-weight: 100; }
.logo .bar {
  display: inline-block; width: 1.5px; height: 0.78em;
  background: currentColor; margin: 0 0.42em; align-self: center; opacity: .8;
}
.logo.big { font-size: clamp(34px, 5vw, 64px); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px;
}
.nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 40px); }
.nav a {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); position: relative; padding: 4px 0;
  transition: color .25s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a.active { color: var(--ink); }
.nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1.5px; background: var(--accent);
}

/* ---------- control bar (lang + direction) ---------- */
.controls {
  position: fixed; right: clamp(16px,4vw,32px); bottom: clamp(16px,4vw,28px);
  z-index: 80;
  display: flex; gap: 8px; align-items: stretch;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px;
  box-shadow: 0 10px 40px rgba(0,0,0,.10);
  font-family: var(--font-mono);
}
.ctrl-group { display: flex; align-items: center; }
.ctrl-group + .ctrl-group { border-left: 1px solid var(--line); margin-left: 4px; padding-left: 6px; }
.ctrl {
  border: none; background: transparent; color: var(--muted);
  font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  padding: 7px 11px; border-radius: 999px; line-height: 1;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.ctrl:hover { color: var(--ink); }
.ctrl.on { background: var(--ink); color: var(--paper); }
.ctrl-label {
  font-size: 9px; letter-spacing: .18em; color: var(--muted);
  align-self: center; padding: 0 8px 0 4px; text-transform: uppercase;
}

/* ---------- buttons / links ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink);
  padding: 16px 26px; border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
[data-dir="3"] .btn:hover { background: var(--accent); border-color: var(--accent); }
.btn.solid { background: var(--ink); color: var(--paper); border-color: var(--ink); }
[data-dir="3"] .btn.solid { background: var(--accent); border-color: var(--accent); }
.btn.solid:hover { opacity: .85; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink);
}
.arrow-link .ar { transition: transform .3s var(--ease); }
.arrow-link:hover .ar { transform: translateX(6px); }

/* ---------- sections ---------- */
section { padding-block: clamp(72px, 11vw, 168px); }
.section-line { border-top: 1px solid var(--line); }

/* ---------- hero ---------- */
.hero { padding-top: clamp(40px, 7vw, 90px); padding-bottom: 0; }
.hero-type { display: flex; flex-direction: column; gap: clamp(20px,4vw,40px); }
.hero-head { position: relative; }
.hero-head .display { color: var(--ink); }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: clamp(24px,5vw,80px);
  padding-block: clamp(24px,4vw,44px);
  border-top: 1px solid var(--line);
  margin-top: clamp(28px,5vw,52px);
}
.hero-fact { display: flex; flex-direction: column; gap: 6px; }
.hero-fact .num {
  font-family: var(--font-display); font-weight: var(--display-weight);
  font-size: clamp(2rem,4vw,3rem); line-height: 1; letter-spacing: -0.03em;
}
.hero-fact .lbl {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted);
}
.hero-image {
  margin-top: clamp(28px,5vw,56px);
  width: 100%;
}
.hero-image img, .hero-image image-slot {
  width: 100%; height: clamp(320px, 56vw, 720px); object-fit: cover;
  display: block;
}
.figure-cap {
  display: flex; justify-content: space-between; gap: 16px;
  font-family: var(--font-body); font-weight: 500; font-size: 10px;
  letter-spacing: .09em; text-transform: uppercase; color: var(--muted);
  padding-top: 12px; flex-wrap: wrap; line-height: 1.4;
}

/* ---------- statement ---------- */
.statement .display { max-width: 18ch; }
.statement-grid {
  display: grid; grid-template-columns: 1fr; gap: clamp(28px,5vw,64px);
}
@media (min-width: 860px) {
  .statement-grid { grid-template-columns: 1.4fr 1fr; align-items: end; }
}

/* ---------- project grid ---------- */
.proj-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 24px; flex-wrap: wrap; margin-bottom: clamp(32px,5vw,60px);
}
.proj-grid { display: grid; grid-template-columns: 1fr; gap: clamp(36px,5vw,64px); }
@media (min-width: 720px) { .proj-grid { grid-template-columns: repeat(2, 1fr); } }
.proj-grid.feature .proj:first-child { grid-column: 1 / -1; }

.proj { display: flex; flex-direction: column; gap: 16px; }
.proj-media { position: relative; overflow: hidden; background: var(--faint); }
.proj-media img, .proj-media image-slot {
  width: 100%; height: clamp(220px, 34vw, 380px); object-fit: cover;
  transition: transform .9s var(--ease); display: block;
}
.proj-grid.feature .proj:first-child .proj-media img,
.proj-grid.feature .proj:first-child .proj-media image-slot {
  height: clamp(340px, 50vw, 640px);
}
.proj:hover .proj-media img { transform: scale(1.04); }
.proj-index {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em;
  color: #fff; mix-blend-mode: difference;
}
.proj-info { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.proj-title {
  font-family: var(--font-display); font-weight: var(--display-weight);
  font-size: clamp(1.3rem, 2.4vw, 1.9rem); letter-spacing: -0.02em; line-height: 1.05;
  margin: 0;
}
.proj-tag {
  font-family: var(--font-body); font-weight: 500; font-size: 10px; letter-spacing: .09em;
  text-transform: uppercase; color: var(--muted); white-space: nowrap;
}

/* ---------- sliding gallery ---------- */
.slider-nav { display: flex; align-items: center; gap: 18px; }
.slider-count {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em;
  color: var(--muted); white-space: nowrap;
}
.slider-count b { color: var(--ink); font-weight: 500; }
.slider-btn {
  width: 46px; height: 46px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: transparent; color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 17px; line-height: 1;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), opacity .25s;
}
.slider-btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
[data-dir="3"] .slider-btn:hover { background: var(--accent); border-color: var(--accent); }
.slider-btn:disabled { opacity: .28; pointer-events: none; }

.slider {
  margin-top: clamp(28px,4vw,48px);
  overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -ms-overflow-style: none; scrollbar-width: none;
  cursor: grab; scroll-behavior: smooth;
}
.slider::-webkit-scrollbar { display: none; }
.slider.dragging { cursor: grabbing; scroll-behavior: auto; }
.slider.dragging .slide { pointer-events: none; }
.slider-track {
  display: flex; gap: clamp(16px,2vw,30px);
  padding-inline: var(--gutter);
  width: max-content;
}
.slide {
  scroll-snap-align: start;
  flex: 0 0 auto;
  width: min(82vw, 620px);
  display: flex; flex-direction: column; gap: 16px;
}
.slide-media { position: relative; overflow: hidden; background: var(--faint); }
.slide-media img {
  width: 100%; height: clamp(300px, 46vw, 560px); object-fit: cover;
  display: block; transition: transform .9s var(--ease);
  -webkit-user-drag: none; user-select: none;
}
.slide:hover .slide-media img { transform: scale(1.04); }
.slide-index {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em;
  color: #fff; mix-blend-mode: difference;
}
.slide-info { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.slide-title {
  font-family: var(--font-mono); font-weight: 400; text-transform: uppercase;
  font-size: clamp(0.72rem, 0.95vw, 0.85rem); letter-spacing: .06em; line-height: 1.3; margin: 0;
}

/* ---------- figured mosaic gallery ---------- */
.mosaic {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: clamp(140px, 16vw, 230px);
  gap: clamp(12px, 1.6vw, 22px);
}
.m-tile {
  position: relative; overflow: hidden; background: var(--faint);
  display: block; color: #fff;
}
.m-tile img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 1s var(--ease);
}
.m-tile:hover img { transform: scale(1.05); }
.m-idx {
  position: absolute; top: 14px; left: 14px; z-index: 3;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em;
  color: #fff; mix-blend-mode: difference;
}
.m-cap {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 14px;
  padding: 40px 18px 16px;
  background: linear-gradient(to top, rgba(0,0,0,.62), rgba(0,0,0,0));
  opacity: 0; transform: translateY(8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.m-tile:hover .m-cap, .m-tile:focus-visible .m-cap { opacity: 1; transform: none; }
.m-cap .t {
  font-family: var(--font-display); font-weight: var(--display-weight);
  font-size: clamp(1rem, 1.6vw, 1.4rem); letter-spacing: -0.01em; line-height: 1.05;
}
.m-cap .g {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; white-space: nowrap; opacity: .85; align-self: flex-end;
}
/* figured placement */
.m1 { grid-column: 1 / 5; grid-row: 1 / 3; }
.m2 { grid-column: 5 / 7; grid-row: 1 / 2; }
.m3 { grid-column: 5 / 7; grid-row: 2 / 3; }
.m4 { grid-column: 1 / 3; grid-row: 3 / 5; }
.m5 { grid-column: 3 / 7; grid-row: 3 / 4; }
.m6 { grid-column: 3 / 7; grid-row: 4 / 5; }
@media (max-width: 760px) {
  .mosaic { grid-template-columns: repeat(2, 1fr); grid-auto-rows: clamp(150px,38vw,220px); }
  .m1 { grid-column: 1 / 3; grid-row: auto; }
  .m2, .m3, .m4, .m5, .m6 { grid-column: auto; grid-row: auto; }
  .m1 { aspect-ratio: auto; }
  .m-cap { opacity: 1; transform: none; }
}

/* slot styling inside slider */
.slide-media image-slot { display:block; width:100%; height: clamp(300px,46vw,560px); }

/* ---------- process steps ---------- */
.steps { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line); }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: clamp(20px,5vw,60px);
  padding-block: clamp(28px,4vw,46px); border-bottom: 1px solid var(--line);
  align-items: start;
}
.step-num {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em; color: var(--muted);
  padding-top: 8px;
}
.step-body { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 800px) { .step-body { grid-template-columns: minmax(0,18ch) 1fr; gap: clamp(24px,5vw,64px); } }
.step-title {
  font-family: var(--font-display); font-weight: var(--display-weight);
  font-size: clamp(1.4rem,3vw,2.2rem); letter-spacing: -0.02em; line-height: 1.02; margin: 0;
}

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: clamp(40px,6vw,80px); }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 26px; }
.field label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted);
}
.field input, .field textarea {
  font-family: var(--font-body); font-size: 1.05rem; color: var(--ink);
  background: transparent; border: none; border-bottom: 1px solid var(--line-strong);
  padding: 10px 0; outline: none; transition: border-color .25s var(--ease);
}
.field input:focus, .field textarea:focus { border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 100px; }
.contact-detail { display: flex; flex-direction: column; gap: 4px; margin-bottom: 30px; }
.contact-detail .k {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted);
}
.contact-detail .v { font-size: clamp(1.1rem,2vw,1.5rem); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: clamp(48px,7vw,90px); }
.footer-top {
  display: grid; grid-template-columns: 1fr; gap: clamp(32px,5vw,60px);
  margin-bottom: clamp(48px,7vw,90px);
}
@media (min-width: 760px) { .footer-top { grid-template-columns: 1.5fr 1fr 1fr; } }
.footer-col h4 {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 16px; font-weight: 400;
}
.footer-col a { display: block; padding: 5px 0; color: var(--ink); transition: opacity .2s; }
.footer-col a:hover { opacity: .55; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted);
  padding-top: 28px; border-top: 1px solid var(--line);
}
.footer-legal { display: inline-flex; gap: 18px; flex-wrap: wrap; }
.footer-legal a { color: var(--muted); transition: color .2s var(--ease); }
.footer-legal a:hover { color: var(--ink); }

/* ---------- legal page ---------- */
.legal-toc {
  display: flex; flex-wrap: wrap; gap: 14px 26px; margin-top: clamp(26px,4vw,40px);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
}
.legal-toc a { color: var(--muted); padding-bottom: 4px; border-bottom: 1px solid var(--line); transition: color .2s var(--ease), border-color .2s var(--ease); }
.legal-toc a:hover { color: var(--ink); border-color: var(--line-strong); }
.legal-note {
  max-width: 70ch; font-size: 14px; line-height: 1.6; color: var(--muted);
  padding: clamp(16px,2vw,22px) clamp(18px,2.5vw,26px); border: 1px dashed var(--line-strong); border-radius: 4px;
}
.legal-note code { font-family: var(--font-mono); font-size: 12px; }
.legal-block { scroll-margin-top: 90px; }
.legal-hero-title {
  font-size: clamp(.92rem, 1.2vw, 1.05rem);
  line-height: 1.3;
  color: var(--ink);
}
.legal-block .display {
  margin-top: 10px;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  letter-spacing: -0.01em; line-height: 1.2;
}
.legal-copy { max-width: 72ch; margin-top: clamp(22px,3vw,34px); }
.legal-copy h3 {
  font-family: var(--font-display); font-weight: var(--display-weight);
  font-size: clamp(.95rem,1.4vw,1.05rem); letter-spacing: -0.01em; line-height: 1.25;
  margin: clamp(22px,3vw,32px) 0 8px;
}
.legal-copy p { color: var(--muted); margin: 0 0 1.1em; font-size: 13.5px; line-height: 1.65; text-wrap: pretty; }
.legal-data { list-style: none; padding: 0; margin: 0 0 1.4em; display: grid; gap: 8px; }
.legal-data li { color: var(--ink); font-size: 13.5px; }
.legal-data li span {
  display: inline-block; min-width: 160px; color: var(--muted);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
}

/* ---------- reveal animation ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
  .reveal.in { opacity: 1; transform: none; }
}

/* ---------- mobile nav ---------- */
@media (max-width: 680px) {
  .nav { gap: 14px; }
  .nav a { font-size: 10px; letter-spacing: .1em; }
  .controls { right: 12px; bottom: 12px; padding: 5px; }
  .ctrl { padding: 6px 8px; font-size: 10px; }
  .ctrl-label { display: none; }
}

/* ============================================================
   AMPLIACIÓN — hero home · quiénes somos · clientes · responsive
   ============================================================ */

/* ---- homepage hero: mantener la imagen del centro comercial a la vista ---- */
.hero:has(.hero-type) { padding-top: clamp(24px, 3.6vw, 52px); }
.hero-type { gap: clamp(16px, 2.4vw, 26px); }
.hero-type .display { font-size: clamp(2.4rem, 6vw, 5rem); }
.hero-type .lead { max-width: none; font-size: clamp(0.95rem, 1.1vw, 1.2rem); }
.hero:has(.hero-type) .hero-image { margin-top: clamp(18px, 2.6vw, 34px); }
.hero:has(.hero-type) .hero-image img,
.hero:has(.hero-type) .hero-image image-slot { height: clamp(300px, 40vw, 520px); }
/* titular de cabecera idéntico en todas las páginas (como el hero de Inicio) */
.hero .display { font-size: clamp(2.4rem, 6vw, 5rem); }

/* ---- quiénes somos ---- */
.qs-top { display: grid; grid-template-columns: 1fr; gap: clamp(24px,4vw,46px); align-items: end; }
@media (min-width: 880px) { .qs-top { grid-template-columns: 0.85fr 1fr; gap: clamp(40px,5vw,72px); } }
.qs-head { display: flex; flex-direction: column; gap: clamp(14px,2vw,22px); }
.qs-lead { color: var(--ink); max-width: 46ch; margin: 0; }
.qs-body {
  display: grid; grid-template-columns: 1fr; gap: clamp(20px,3vw,44px);
  margin-top: clamp(34px,5vw,66px);
  padding-top: clamp(26px,4vw,46px);
  border-top: 1px solid var(--line);
}
@media (min-width: 880px) { .qs-body { grid-template-columns: 1fr 1fr; } }
.qs-body .body-copy { max-width: 56ch; }
.qs-body--media { align-items: start; }
@media (min-width: 880px) { .qs-body--media { grid-template-columns: 0.85fr 1fr; gap: clamp(40px,5vw,72px); } }
.qs-figure { margin: 0; }
.qs-figure img { width: 100%; height: clamp(340px, 46vw, 540px); object-fit: cover; display: block; }
.qs-body--media .body-copy { max-width: 60ch; }

/* ---- socios (alianza) ---- */
.partners {
  margin-top: clamp(34px,5vw,64px);
  padding-top: clamp(28px,4vw,48px);
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: clamp(20px,3vw,32px);
}
.partners-row {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: clamp(24px,5vw,64px);
}
.partner {
  display: inline-flex; color: var(--ink);
  transition: opacity .25s var(--ease);
}
.partner:hover { opacity: .55; }
.partner svg { width: clamp(170px, 22vw, 230px); height: auto; display: block; }
.partner.partner-img img { width: clamp(190px, 24vw, 250px); height: auto; display: block; }
.partner.partner-badge { align-items: center; }
.partner.partner-badge img { width: clamp(104px, 14vw, 132px); height: auto; }
.partner .pt-name {
  font-family: var(--font-display); font-weight: var(--display-weight);
  font-size: 30px; letter-spacing: -0.02em; fill: var(--ink);
}
.partner .pt-sub {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .28em;
  text-transform: uppercase; fill: var(--muted);
}
.partner-amp {
  font-family: var(--font-display); font-weight: 300; font-size: clamp(28px,3vw,40px);
  color: var(--muted); line-height: 1;
}

/* ---- clientes ---- */
.clients-head { display: flex; flex-direction: column; gap: clamp(14px,2vw,22px); margin-bottom: clamp(30px,5vw,56px); }
.clients-head .display { max-width: 26ch; }
.client-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(12px,1.5vw,18px); }
@media (min-width: 600px) { .client-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 920px) { .client-grid { grid-template-columns: repeat(5, 1fr); } }
.client-grid .client.empty { border-style: dashed; }
.client-grid .client.empty::before {
  content: "+"; color: var(--line-strong); font-family: var(--font-display);
  font-weight: 300; font-size: 1.5rem; line-height: 1; opacity: .6;
}
.client-grid .client {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 3 / 2;
  padding: clamp(12px, 1.7vw, 20px);
  border: 1px solid var(--line);
}
.client-grid .client img {
  max-width: 100%; max-height: 100%; width: auto; height: auto;
  object-fit: contain;
  opacity: .82;
  transition: opacity var(--dur) var(--ease);
}
.client-grid .client:hover img { opacity: 1; }

/* ---- lightbox ---- */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(10px, 1.5vw, 28px);
  background: rgba(12,12,12,.97); cursor: zoom-out;
  opacity: 0; visibility: hidden; transition: opacity .22s var(--ease), visibility .22s var(--ease);
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-fig {
  margin: 0; display: flex; flex-direction: column; gap: 14px;
  align-items: center; max-width: 100%; max-height: 100%;
}
.lightbox-fig img {
  max-width: 100%; max-height: calc(100vh - clamp(50px, 6vw, 90px));
  object-fit: contain; cursor: default;
  box-shadow: 0 24px 90px rgba(0,0,0,.55);
  transform: scale(.98); transition: transform .22s var(--ease);
}
.lightbox.open .lightbox-fig img { transform: scale(1); }
.lightbox-fig figcaption {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  text-transform: uppercase; color: rgba(255,255,255,.78); text-align: center;
}
.lightbox-close {
  position: absolute; top: clamp(12px, 2vw, 26px); right: clamp(12px, 2vw, 26px);
  width: 46px; height: 46px; border: none; border-radius: 50%;
  background: rgba(255,255,255,.12); color: #fff; font-size: 26px; line-height: 1;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background .18s var(--ease);
}
.lightbox-close:hover { background: rgba(255,255,255,.24); }

/* ---- responsive polish ---- */
@media (max-width: 520px) {
  .site-header .wrap { height: 60px; }
  .logo { font-size: 20px; }
  .nav { gap: 12px; }
  .nav a { font-size: 9.5px; letter-spacing: .08em; }
  .hero-type .lead { max-width: none; }
}