/* Arquiplaneta — estilos del sitio. Tokens en tokens.css. Mobile-first. */

/* ───────── Base ───────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; font-family: var(--f-sans); font-size: var(--fs-body); line-height: var(--lh-body);
  color: var(--c-ink); background: var(--c-cream); -webkit-font-smoothing: antialiased; overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
h1, h2, h3, h4, h5, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
::selection { background: var(--c-gold); color: var(--c-navy); }
:focus-visible { outline: 2px solid var(--c-gold); outline-offset: 3px; }
section[id], article[id], form[id] { scroll-margin-top: calc(var(--header-h) + 8px); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 200; background: var(--c-gold); color: var(--c-navy);
  padding: 12px 18px; font-weight: 600; text-decoration: none; transition: top .2s; }
.skip-link:focus { top: 12px; }

/* ───────── Tipografía ───────── */
.display { font-size: var(--fs-display); font-weight: 600; line-height: .98; letter-spacing: -.035em; }
.h1 { font-size: var(--fs-h1); font-weight: 600; line-height: var(--lh-tight); letter-spacing: -.03em; }
.h2 { font-size: var(--fs-h2); font-weight: 600; line-height: 1.08; letter-spacing: var(--ls-tight); max-width: 22ch; }
.h3 { font-size: var(--fs-h3); font-weight: 600; line-height: var(--lh-snug); letter-spacing: -.01em; }
.h4 { font-size: clamp(1.0625rem, 1rem + .25vw, 1.1875rem); font-weight: 600; line-height: 1.3; }
.lead { font-size: var(--fs-lead); line-height: 1.5; color: var(--c-ink-soft); max-width: 58ch; }
.serif { font-family: var(--f-serif); font-style: italic; font-weight: 500; letter-spacing: -.01em; }
.h1 .serif, .h2 .serif, .display .serif { font-size: 1.08em; line-height: 1; }
.accent { color: var(--c-gold-deep); }
.eyebrow, .label {
  font-family: var(--f-mono, monospace); font-size: var(--fs-eyebrow); font-weight: 500; letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase; color: var(--c-gold-deep);
}
.eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: var(--sp-5); }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.label { display: block; font-size: .72rem; margin-bottom: var(--sp-3); }

/* ───────── Secciones / ritmo ───────── */
.section { position: relative; padding-block: var(--section-y); }
.section--white { background: var(--c-white); }
.section--navy, .section--blue { background: var(--c-navy); color: var(--c-cream); }
.section--blue { background: var(--c-blue); }
.section--navy .lead, .section--blue .lead { color: var(--c-cream-soft); }
.section--navy .accent, .section--blue .accent, .hero .accent { color: var(--c-gold); }
.section--navy .eyebrow, .section--blue .eyebrow, .section--navy .label, .section--blue .label, .eyebrow--light { color: var(--c-gold); }
/* sobre azul institucional el dorado base no llega a AA en texto chico */
.section--blue .eyebrow, .section--blue .label, .section--blue .accent, .section--blue .cycle__node[aria-selected="true"] .cycle__num, .section--blue .cycle__svcn { color: var(--c-gold-light); }
.bg-grid { position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(243,239,229,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(243,239,229,.05) 1px, transparent 1px);
  background-size: 48px 48px; mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 30%, transparent 85%); }
.section > .container { position: relative; }
.section-head { display: grid; gap: var(--sp-5); margin-bottom: clamp(40px, 6vw, 80px); }
.section-head .eyebrow { margin-bottom: 0; }
.section-head--split { align-items: end; }
@media (min-width: 1024px) {
  .section-head--split { grid-template-columns: 1.2fr 1fr; gap: var(--sp-8); }
}

/* ───────── Botones y enlaces ───────── */
.btn {
  --bg: var(--c-blue); --fg: var(--c-cream); --bd: var(--bg);
  display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 14px 26px;
  border: 1px solid var(--bd); border-radius: var(--radius); background: var(--bg); color: var(--fg);
  font-size: .8125rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; line-height: 1.2;
  cursor: pointer; position: relative; overflow: hidden; isolation: isolate;
  transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.btn::after { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--hover, var(--c-gold));
  transform: translateY(101%); transition: transform .5s var(--ease-out); }
.btn:hover::after, .btn:focus-visible::after { transform: translateY(0); }
.btn:hover, .btn:focus-visible { color: var(--hfg, var(--c-navy)); border-color: var(--hover, var(--c-gold)); }
.btn .ico { width: 14px; height: 14px; flex: none; transition: transform .35s var(--ease-out); }
.btn:hover .ico { transform: translateX(4px); }
.btn--primary { --bg: var(--c-gold); --fg: var(--c-navy); --hover: var(--c-cream); }
.btn--dark { --bg: var(--c-navy); --fg: var(--c-cream); }
.btn--ghost { --bg: transparent; --fg: currentColor; --bd: rgba(243,239,229,.35); }
.section--white .btn--ghost, .section:not(.section--navy):not(.section--blue) .btn--ghost { --bd: var(--c-line); }
.btn--sm { min-height: 44px; padding: 10px 18px; font-size: .75rem; }
.btn--lg { min-height: 60px; padding: 18px 32px; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--sp-4); }
.btn-row--center { justify-content: center; margin-top: var(--sp-8); }
.ico { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.5; }
.link-arrow { display: inline-flex; align-items: center; gap: 10px; background: none; border: 0; padding: 6px 0; cursor: pointer;
  font-weight: 600; font-size: .9rem; text-decoration: none; color: inherit; border-bottom: 1px solid currentColor; }
.link-arrow .ico { transition: transform .35s var(--ease-out); }
.link-arrow:hover .ico { transform: translateX(4px); }
.link-arrow:hover { color: var(--c-gold-deep); }
.section--navy .link-arrow:hover, .section--blue .link-arrow:hover, .site-footer .link-arrow:hover { color: var(--c-gold); }

/* ───────── Header ───────── */
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-h); color: var(--c-cream);
  transition: background-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), transform .4s var(--ease-out); }
.site-header.is-solid { background: rgba(13,31,48,.88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--c-line-dark); }
.site-header.is-hidden { transform: translateY(-100%); }
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5); }
.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; white-space: nowrap; min-height: 44px; }
.logo__badge { width: 46px; height: 46px; flex: none; border-radius: 50%; background: var(--c-cream); display: grid; place-items: center; box-shadow: 0 0 0 1px rgba(184,137,46,.35); }
.logo__badge img { width: 36px; height: auto; }
.logo__word { font-weight: 500; letter-spacing: .2em; font-size: .9rem; color: var(--c-cream); }
.logo__word em { font-style: normal; color: var(--c-gold); }
.nav { display: none; }
.nav ul { display: flex; gap: clamp(14px, 1.5vw, 26px); }
.nav a { font-size: .8rem; font-weight: 500; letter-spacing: .03em; text-decoration: none; padding: 8px 0; white-space: nowrap; position: relative; color: var(--c-cream-soft); transition: color .25s; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px; background: var(--c-gold);
  transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease-out); }
.nav a:hover, .nav a.is-current { color: var(--c-cream); }
.nav a:hover::after, .nav a.is-current::after { transform: scaleX(1); transform-origin: left; }
.header__actions { display: flex; align-items: center; gap: var(--sp-4); }
.header__cta { display: none; white-space: nowrap; }
.lang-switch { display: flex; border: 1px solid var(--c-line-dark); border-radius: var(--radius); }
.lang-switch button { background: none; border: 0; padding: 8px 10px; min-width: 44px; min-height: 40px; cursor: pointer;
  font-family: var(--f-mono, monospace); font-size: .75rem; letter-spacing: .08em; color: var(--c-cream-soft); transition: color .2s, background .2s; }
.lang-switch button[aria-pressed="true"] { color: var(--c-navy); background: var(--c-gold); }
.lang-switch button:hover:not([aria-pressed="true"]) { color: var(--c-cream); }
.menu-toggle { width: 48px; height: 44px; display: grid; place-content: center; gap: 7px; background: none; border: 1px solid var(--c-line-dark); border-radius: var(--radius); cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 1.5px; background: currentColor; transition: transform .4s var(--ease-out); }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.25px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.25px) rotate(-45deg); }
.header__actions > .lang-switch { display: none; }
@media (min-width: 640px) { .header__actions > .lang-switch { display: flex; } }
@media (min-width: 1280px) {
  .nav { display: block; }
  .menu-toggle { display: none; }
  .header__cta { display: inline-flex; }
}

/* Menú móvil */
.menu-overlay { position: fixed; inset: 0; z-index: 90; background: var(--c-navy); color: var(--c-cream);
  padding-top: calc(var(--header-h) + 24px); visibility: hidden; opacity: 0; overflow-y: auto;
  clip-path: inset(0 0 100% 0); transition: clip-path .6s var(--ease-in-out), opacity .3s, visibility 0s .6s; }
.menu-overlay.is-open { visibility: visible; opacity: 1; clip-path: inset(0); transition: clip-path .6s var(--ease-in-out), opacity .2s, visibility 0s; }
.menu__inner { display: flex; flex-direction: column; justify-content: space-between; min-height: calc(100% - 24px); gap: var(--sp-7); padding-bottom: var(--sp-7); }
.menu-overlay ul { display: grid; gap: 4px; }
.menu-overlay ul a { display: block; padding: 8px 0; font-size: clamp(1.75rem, 7vw, 2.75rem); font-weight: 600; letter-spacing: -.02em; text-decoration: none; border-bottom: 1px solid var(--c-line-dark); }
.menu-overlay ul a:hover { color: var(--c-gold); }
.menu__foot { display: flex; flex-wrap: wrap; gap: var(--sp-4); align-items: center; justify-content: space-between; }
.lang-switch--lg button { padding: 10px 16px; font-size: .8rem; }

/* ───────── Hero ───────── */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center;
  padding-top: calc(var(--header-h) + clamp(40px, 5vw, 72px)); padding-bottom: clamp(56px, 6vw, 88px); overflow: hidden; }
.section--navy.hero { background: radial-gradient(ellipse 70% 60% at 78% 45%, #15314d 0%, var(--c-navy) 65%); }
.hero__grid { position: relative; display: grid; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero__title { max-width: 15ch; font-size: clamp(2.2rem, 1.35rem + 2.4vw, 3.6rem); line-height: 1.08; margin-bottom: clamp(20px, 2.4vw, 30px); }
.hero__title .serif { display: inline; }
.hero__lead { margin-bottom: clamp(28px, 3vw, 40px); max-width: 48ch; font-size: clamp(1.05rem, 1rem + .3vw, 1.25rem); }
.hero__facts { display: grid; gap: var(--sp-4); margin-top: clamp(32px, 4vw, 48px); padding-top: var(--sp-5); border-top: 1px solid var(--c-line-dark); }
.hero__facts dt { font-family: var(--f-mono, monospace); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--c-gold); margin-bottom: 4px; }
.hero__facts dd { font-size: .9rem; color: var(--c-cream-soft); }
@media (min-width: 640px) { .hero__facts { grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); } }
.hero__art { width: 100%; max-width: 560px; justify-self: center; }
.hero__scroll { position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%); display: none; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--f-mono, monospace); font-size: .65rem; letter-spacing: .2em; text-transform: uppercase; text-decoration: none; color: var(--c-cream-soft); }
.hero__scroll i { width: 1px; height: 40px; background: linear-gradient(var(--c-gold), transparent); animation: scrollcue 2.4s var(--ease-in-out) infinite; transform-origin: top; }
@keyframes scrollcue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 96px); }
  .hero__art { max-width: 620px; justify-self: end; width: 100%; }
  .hero__scroll { display: flex; }
}

/* Dibujo técnico */
.drawing { width: 100%; height: auto; overflow: visible; }
.drawing path, .drawing rect, .drawing circle { fill: none; vector-effect: non-scaling-stroke; }
.drawing text { font-family: var(--f-mono, monospace); font-size: 11px; letter-spacing: .06em; fill: var(--c-cream-soft); }
.dw-axes path { stroke: rgba(243,239,229,.22); stroke-width: 1; stroke-dasharray: 2 5 12 5; }
.dw-axes circle { stroke: rgba(243,239,229,.4); }
.dw-axes text { text-anchor: middle; font-size: 12px; fill: var(--c-cream); }
.dw-ground path:first-child { stroke: var(--c-cream); stroke-width: 1.5; }
.dw-ground path + path { stroke: rgba(243,239,229,.25); }
.dw-struct path { stroke: var(--c-gray); stroke-width: 1.2; }
.dw-arch path { stroke: var(--c-cream); stroke-width: 1.4; }
.dw-duct rect { stroke: rgba(243,239,229,.45); stroke-dasharray: 4 4; }
.dw-mep path { stroke: var(--c-gold); stroke-width: 2.2; }
.dw-mep circle { fill: var(--c-gold); }
.dw-levels text { font-size: 10px; }
.dw-dim path { stroke: rgba(243,239,229,.4); }
.dw-dim text { text-anchor: middle; font-size: 10px; }
.dw-clash circle { stroke: var(--c-gold); stroke-width: 1.5; }
.dw-clash circle + circle { fill: var(--c-gold); }
.dw-clash path { stroke: var(--c-gold); }
.dw-clash text { fill: var(--c-gold); font-size: 11px; }
.clash__ring { transform-box: fill-box; transform-origin: center; animation: ping 2.6s var(--ease-out) infinite; }
@keyframes ping { 0% { transform: scale(.6); opacity: 1; } 80%, 100% { transform: scale(1.8); opacity: 0; } }
.hero__legend { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: var(--sp-4); padding-left: 6%; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .08em; color: var(--c-cream-soft); }
.hero__legend span { display: inline-flex; align-items: center; gap: 8px; }
.hero__legend span::before { content: ""; width: 22px; height: 2px; background: currentColor; }
.hero__legend .lg-a::before { background: var(--c-cream); } .hero__legend .lg-s::before { background: var(--c-gray); } .hero__legend .lg-m::before { background: var(--c-gold); }

/* ── Portada «Plano real a sangre» (aprobada): plano de entrega + cañerías que se trazan ── */
.hero--plan .hero__grid { grid-template-columns: minmax(0, 640px); }
.hero--plan .hero__copy { position: relative; z-index: 2; }
.hplan { position: absolute; inset: 0; overflow: hidden; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 26%, rgba(0,0,0,.3) 44%, #000 64%);
          mask-image: linear-gradient(90deg, transparent 26%, rgba(0,0,0,.3) 44%, #000 64%); }
.hplan::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 55% 65% at 72% 50%, transparent 40%, rgba(13,31,48,.6) 100%); }
.hplan__frame { position: absolute; top: -18%; right: max(-11%, calc(50vw - 1100px)); height: 136%; aspect-ratio: 2400 / 1842; }
.hplan__frame > img, .hplan__svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hplan__base { opacity: .95; }
.hplan__svg { opacity: 0; overflow: visible; } /* solo se ve durante el trazado */
.hplan__svg path { fill: none; stroke-width: 6; stroke-linecap: round; stroke-linejoin: round; }
.hplan__svg .p-a { stroke: #F3E3B6; } .hplan__svg .p-b { stroke: #A07838; } .hplan__svg .p-c { stroke: #D9A440; }
.hplan__chip { position: absolute; z-index: 2; transform: translate(26px, -50%); white-space: nowrap; padding: 6px 10px; border: 1px solid rgba(212,168,78,.6);
  background: rgba(13,31,48,.78); font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; color: var(--c-gold-light); }
.hplan__chip::before { content: ""; position: absolute; left: -26px; top: 50%; width: 10px; height: 10px; margin-top: -5px; border-radius: 50%; background: var(--c-gold);
  box-shadow: 0 0 0 6px rgba(184,137,46,.22); animation: chipPulse 2.8s var(--ease-out) infinite; }
.hplan__chip::after { content: ""; position: absolute; left: -16px; top: 50%; width: 16px; height: 1px; background: rgba(212,168,78,.7); }
@keyframes chipPulse { 0% { box-shadow: 0 0 0 0 rgba(184,137,46,.45); } 70%, 100% { box-shadow: 0 0 0 12px rgba(184,137,46,0); } }
.hplan__plate { position: absolute; z-index: 2; right: var(--gutter); bottom: 22px; margin: 0; display: none; gap: 14px; font-family: var(--f-mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--c-cream-soft); }
.hplan__plate b { color: var(--c-gold); font-weight: 500; margin-right: 10px; }
@media (min-width: 1024px) { .hplan__plate { display: block; } }
@media (max-width: 1023px) {
  .hplan { -webkit-mask-image: linear-gradient(180deg, transparent 0, transparent 48%, #000 78%); mask-image: linear-gradient(180deg, transparent 0, transparent 48%, #000 78%); opacity: .5; }
  .hplan__frame { right: -40%; height: 110%; top: 0; }
  .hplan__chip { display: none; }
}

/* Franja de disciplinas */
.ticker { background: var(--c-gold); color: var(--c-navy); overflow: hidden; border-block: 1px solid rgba(13,31,48,.2); }
.ticker__track { display: flex; width: max-content; animation: marquee 42s linear infinite; }
.ticker ul { display: flex; }
.ticker li { padding: 16px 28px; font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; white-space: nowrap; display: flex; align-items: center; gap: 28px; }
.ticker li::after { content: ""; width: 6px; height: 6px; border: 1.5px solid currentColor; transform: rotate(45deg); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ───────── Propuesta de valor ───────── */
.value { padding-block: clamp(72px, 8vw, 120px); }
.value__grid { display: grid; gap: clamp(24px, 4vw, 48px); align-items: end; }
.value__title { max-width: 16ch; }
.value__body { display: grid; gap: var(--sp-6); }
.value__body .lead { color: var(--c-ink-soft); }
.value__close { font-size: clamp(1.0625rem, 1rem + .35vw, 1.3rem); font-weight: 600; line-height: 1.4; color: var(--c-navy); padding-left: var(--sp-5); border-left: 2px solid var(--c-gold); max-width: 40ch; }
.value__close .accent { color: var(--c-blue); }
@media (min-width: 1024px) { .value__grid { grid-template-columns: 1.15fr 1fr; gap: var(--sp-9); } }

/* ───────── Desafíos ───────── */
.challenges { display: grid; border-top: 1px solid var(--c-line); border-left: 1px solid var(--c-line); }
.challenge { position: relative; padding: clamp(24px, 3vw, 36px); border-right: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line);
  display: flex; flex-direction: column; gap: var(--sp-3); min-height: 230px; transition: background .5s var(--ease-out); }
.challenge::before { content: ""; position: absolute; left: -1px; top: -1px; height: 2px; width: calc(100% + 2px); background: var(--c-gold);
  transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease-out); }
.challenge:hover, .challenge:focus-within { background: var(--c-cream); }
.challenge:hover::before, .challenge:focus-within::before { transform: scaleX(1); }
.challenge__n { font-family: var(--f-mono, monospace); font-size: .75rem; color: var(--c-gold-deep); }
.challenge p { color: var(--c-ink-soft); font-size: .95rem; }
.challenge__fix { margin-top: auto; padding-top: var(--sp-4); display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: .85rem; font-weight: 600; text-decoration: none; color: var(--c-blue); }
.challenge__fix small { width: 100%; font-family: var(--f-mono, monospace); font-size: .66rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--c-ink-soft); }
.challenge__fix .ico { transition: transform .35s var(--ease-out); }
.challenge__fix:hover { color: var(--c-gold-deep); }
.challenge__fix:hover .ico { transform: translateX(4px); }
@media (min-width: 640px) { .challenges { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .challenges { grid-template-columns: repeat(3, 1fr); } }

/* ───────── Ciclo del proyecto ───────── */
.cycle { --n: 7; }
.cycle__rail { position: relative; margin-bottom: clamp(32px, 4vw, 48px); }
.cycle__track { display: none; position: absolute; left: 0; right: 0; top: 23px; height: 1px; background: var(--c-line-dark); transform-origin: left; }
@media (min-width: 1024px) { .cycle__track { display: block; } }
.cycle__progress { position: absolute; inset: 0; background: var(--c-gold); transform-origin: left; transform: scaleX(var(--p, 0)); transition: transform .8s var(--ease-out); }
.cycle__tabs { display: grid; grid-template-columns: repeat(7, minmax(108px, 1fr)); gap: 8px; overflow-x: auto; scrollbar-width: none; scroll-snap-type: x mandatory; padding-bottom: 4px; }
.cycle__tabs::-webkit-scrollbar { display: none; }
.cycle__node { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding: 16px 4px 8px 0; text-align: left;
  background: none; border: 0; cursor: pointer; color: var(--c-cream-soft); scroll-snap-align: start; min-height: 44px; }
.cycle__dot { width: 15px; height: 15px; border: 1.5px solid var(--c-cream-soft); background: var(--c-blue); transform: rotate(45deg); transition: background .4s, border-color .4s, transform .5s var(--ease-out); }
.cycle__num { font-family: var(--f-mono, monospace); font-size: .7rem; letter-spacing: .1em; }
.cycle__label { font-size: .875rem; font-weight: 600; line-height: 1.25; transition: color .3s; }
.cycle__node:hover .cycle__label { color: var(--c-cream); }
.cycle__node.is-done .cycle__dot { background: var(--c-gold); border-color: var(--c-gold); }
.cycle__node[aria-selected="true"] { color: var(--c-cream); }
.cycle__node[aria-selected="true"] .cycle__dot { background: var(--c-gold); border-color: var(--c-gold); transform: rotate(45deg) scale(1.15); outline: 1px solid var(--c-gold); outline-offset: 4px; }
.cycle__node[aria-selected="true"] .cycle__num { color: var(--c-gold); }
.cycle__panels { position: relative; }
.cycle__panel { position: relative; padding: clamp(24px, 4vw, 48px); background: rgba(13,31,48,.55); border: 1px solid var(--c-line-dark); }
.js .cycle.is-ready .cycle__panel[hidden] { display: none; }
.cycle__panel + .cycle__panel { margin-top: var(--sp-5); }
.cycle.is-ready .cycle__panel + .cycle__panel { margin-top: 0; }
.cycle__ph { display: flex; align-items: baseline; gap: var(--sp-5); margin-bottom: var(--sp-6); padding-bottom: var(--sp-5); border-bottom: 1px solid var(--c-line-dark); }
.cycle__big { font-family: var(--f-serif); font-style: italic; font-size: clamp(3rem, 2rem + 4vw, 5.5rem); line-height: .8; color: var(--c-gold); }
.cycle__cols { display: grid; gap: var(--sp-6); }
@media (min-width: 900px) { .cycle__cols { grid-template-columns: 1fr 1fr .9fr; gap: var(--sp-7); } }
.dash li { position: relative; padding: 7px 0 7px 22px; line-height: 1.45; }
.dash li::before { content: ""; position: absolute; left: 0; top: 1.05em; width: 10px; height: 1px; background: var(--c-gold); }
.section--blue .dash li, .section--navy .dash li { color: var(--c-cream-soft); }
.cycle__svclink { display: flex; gap: 12px; align-items: flex-start; padding: 18px; border: 1px solid var(--c-line-dark); text-decoration: none; font-weight: 600; line-height: 1.3;
  transition: background .4s var(--ease-out), border-color .4s; }
.cycle__svclink .ico { margin-left: auto; flex: none; margin-top: 3px; transition: transform .35s var(--ease-out); }
.cycle__svclink:hover { background: rgba(184,137,46,.12); border-color: var(--c-gold); }
.cycle__svclink:hover .ico { transform: translateX(4px); }
.cycle__svcn { font-family: var(--f-mono, monospace); color: var(--c-gold); font-size: .8rem; padding-top: 2px; }
.cycle__next { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-4); margin-top: var(--sp-7); padding-top: var(--sp-5); border-top: 1px dashed var(--c-line-dark); }
.cycle__next p { max-width: 60ch; color: var(--c-cream); }
.cycle__next .label { display: inline; margin: 0 8px 0 0; }
.scope-note { margin-top: var(--sp-6); font-size: var(--fs-small); color: var(--c-cream-soft); max-width: 70ch; }
.js-anim .cycle__panel.is-entering { animation: panelIn .6s var(--ease-out); }
@keyframes panelIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ───────── Servicios ───────── */
.services { display: grid; gap: clamp(40px, 6vw, 80px); }
.services__head { display: grid; gap: var(--sp-5); align-content: start; }
.services__head .eyebrow { margin-bottom: 0; }
.services__head .btn { justify-self: start; margin-top: var(--sp-3); }
.services__main { min-width: 0; }
@media (min-width: 1100px) {
  .services { grid-template-columns: minmax(300px, .8fr) 1.6fr; }
  .services__head { position: sticky; top: calc(var(--header-h) + 32px); align-self: start; }
}
.services__list { border-top: 1px solid var(--c-navy); }
.svc { border-bottom: 1px solid var(--c-line); position: relative; padding: clamp(24px, 3vw, 36px) 0 clamp(16px, 2vw, 22px); }
.svc::before { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%; background: var(--c-gold); transform: scaleX(0); transform-origin: left; transition: transform .7s var(--ease-out); }
.svc:hover::before, .svc.is-open::before { transform: scaleX(1); }
.svc__top { display: grid; grid-template-columns: 44px 1fr; gap: 4px var(--sp-4); }
.svc__num { font-family: var(--f-mono, monospace); font-size: .8rem; color: var(--c-gold-deep); padding-top: .55em; }
.svc__titles { display: grid; gap: 10px; justify-items: start; }
.svc__title { font-size: clamp(1.2rem, 1.02rem + .8vw, 1.7rem); font-weight: 600; line-height: 1.18; letter-spacing: -.015em; }
.svc__benefit { color: var(--c-ink-soft); max-width: 60ch; }
.svc__tag { font-family: var(--f-mono, monospace); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; padding: 5px 9px; background: var(--c-navy); color: var(--c-cream); }
.svc__toggle { margin: var(--sp-3) 0 0 calc(44px + var(--sp-4)); display: inline-flex; align-items: center; gap: 12px; min-height: 44px; padding: 6px 0; background: none; border: 0; cursor: pointer;
  font-size: .78rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--c-blue); }
.svc__toggle:hover { color: var(--c-gold-deep); }
.svc__icon { width: 30px; height: 30px; flex: none; border: 1px solid var(--c-line); border-radius: 50%; position: relative; transition: background .4s, border-color .4s, transform .5s var(--ease-out); }
.svc__icon::before, .svc__icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.5px; background: var(--c-navy); transform: translate(-50%, -50%); transition: transform .5s var(--ease-out), background .3s; }
.svc__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.svc.is-open .svc__icon { background: var(--c-navy); border-color: var(--c-navy); transform: rotate(180deg); }
.svc.is-open .svc__icon::before { background: var(--c-cream); }
.svc.is-open .svc__icon::after { transform: translate(-50%, -50%) rotate(0deg); background: var(--c-cream); }
.svc__body { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .6s var(--ease-out); }
.is-ready > .svc:not(.is-open) .svc__body { grid-template-rows: 0fr; }
.svc__inner { overflow: hidden; min-height: 0; }
.no-anim .svc__body, .no-anim .svc__inner { transition: none !important; }
.is-ready > .svc:not(.is-open) .svc__inner { visibility: hidden; transition: visibility 0s .6s; }
.svc__when { margin: var(--sp-5) 0 var(--sp-5) calc(44px + var(--sp-4)); padding: var(--sp-4) var(--sp-5); background: var(--c-white); }
.svc__when p { color: var(--c-ink-soft); }
.svc__inc { margin-left: calc(44px + var(--sp-4)); padding-bottom: var(--sp-5); }
@media (max-width: 639px) { .svc__toggle, .svc__when, .svc__inc { margin-left: 0; } }
@media (min-width: 640px) { .dash--cols { columns: 2; column-gap: var(--sp-7); } .dash--cols li { break-inside: avoid; } }
.svc__note { margin-top: var(--sp-5); font-size: var(--fs-small); color: var(--c-ink-soft); padding-left: var(--sp-4); border-left: 2px solid var(--c-gold); max-width: 70ch; }
.svc__note--key { background: var(--c-white); padding: var(--sp-4) var(--sp-5); }
.svc__feature { margin-top: var(--sp-5); }
.disciplines { display: grid; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); }
.disc { background: var(--c-cream); padding: var(--sp-5); transition: background .4s; }
.disc:hover { background: var(--c-white); }
.disc h5 { font-size: .95rem; font-weight: 600; margin-bottom: var(--sp-2); padding-bottom: var(--sp-2); border-bottom: 1px solid var(--c-line); display: flex; align-items: center; gap: 10px; }
.disc h5::before { content: ""; width: 8px; height: 8px; background: var(--c-gold); transform: rotate(45deg); flex: none; }
.disc .dash li { font-size: .9rem; padding-block: 5px; }
@media (min-width: 640px) { .disciplines { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .disciplines { grid-template-columns: repeat(3, 1fr); } }
.pro-note { margin-top: clamp(32px, 4vw, 48px); padding: var(--sp-5) var(--sp-6); border-left: 3px solid var(--c-gold); background: var(--c-white); font-size: var(--fs-small); color: var(--c-ink-soft); max-width: 900px; }
.pro-note strong, .svc__note strong { color: var(--c-navy); }

/* ───────── Coordinación BIM ───────── */
.bim { overflow: hidden; background: radial-gradient(ellipse 60% 70% at 72% 50%, #14304b 0%, var(--c-navy) 70%); }
.bim__grid { display: grid; gap: clamp(32px, 5vw, 56px); align-items: center; }
.bim__copy { display: grid; gap: var(--sp-5); justify-items: start; position: relative; z-index: 1; }
.bim__head { position: relative; z-index: 1; margin-bottom: clamp(28px, 4vw, 48px); }
.bim__head .h2 { max-width: 24ch; }
.bim__list { display: grid; width: 100%; max-width: 46ch; border-top: 1px solid var(--c-line-dark); }
.bim__list li { position: relative; padding: 12px 0 12px 26px; border-bottom: 1px solid var(--c-line-dark); color: var(--c-cream); font-size: .95rem; }
.bim__list li::before { content: ""; position: absolute; left: 2px; top: 1.15em; width: 9px; height: 9px; border: 1.5px solid var(--c-gold); transform: rotate(45deg); }
.bim__note { font-size: var(--fs-small); color: var(--c-cream-soft); max-width: 46ch; }
/* Integración de la imagen: el fondo blanco ya es transparente píxel a píxel (_fuente/assets.py) y los bordes
   se desvanecen con máscaras anidadas: vertical en <figure>, horizontal en <picture>, barrido de revelado en <img>.
   No se usa transparencia global (borraría las instalaciones junto con el fondo). */
.bim__media { position: relative; margin: 0 calc(-1 * var(--gutter)); padding: clamp(20px, 2.5vw, 36px) clamp(10px, 1.5vw, 20px) 48px; isolation: isolate; }
/* base de luz bajo el modelo: lo "apoya" sobre el fondo técnico en vez de dejarlo flotando */
.bim__media::before { content: ""; position: absolute; left: 10%; right: 10%; top: 10%; bottom: 10%; z-index: -1;
  background: radial-gradient(ellipse at 50% 60%, rgba(120,160,200,.20) 0%, rgba(120,160,200,.06) 45%, transparent 70%); filter: blur(6px); }
.bim__media picture { display: block; }
.bim__media img { --sweep: 160%; width: 100%; height: auto;
  -webkit-mask-image: linear-gradient(112deg, #000 calc(var(--sweep) - 30%), transparent var(--sweep));
          mask-image: linear-gradient(112deg, #000 calc(var(--sweep) - 30%), transparent var(--sweep)); }
/* marcas de lámina (mismo lenguaje que el dibujo técnico de la portada) */
.bim__marks i { position: absolute; width: 22px; height: 22px; border-color: rgba(184,137,46,.75); border-style: solid; border-width: 0; }
.bim__marks i:nth-child(1) { top: 10px; left: 10px; border-top-width: 1px; border-left-width: 1px; }
.bim__marks i:nth-child(2) { top: 10px; right: 10px; border-top-width: 1px; border-right-width: 1px; }
.bim__marks i:nth-child(3) { bottom: 10px; left: 10px; border-bottom-width: 1px; border-left-width: 1px; }
.bim__marks i:nth-child(4) { bottom: 10px; right: 10px; border-bottom-width: 1px; border-right-width: 1px; }
.bim__cap { position: absolute; left: 44px; right: 44px; bottom: 14px; line-height: 1.5; font-family: var(--f-mono, monospace); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--c-cream-soft); }
.bim__scan { position: absolute; top: -10%; bottom: -10%; left: 0; width: 18%; pointer-events: none; opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(184,137,46,.2) 45%, rgba(212,168,78,.5) 50%, rgba(184,137,46,.2) 55%, transparent); transform: skewX(-22deg); }
@media (min-width: 1024px) {
  .bim__grid { grid-template-columns: minmax(380px, .62fr) 1.6fr; }
  /* el render sangra hasta el borde derecho de la ventana; sus bordes ya vienen fundidos */
  .bim__media { margin: 0 calc((min(100vw, var(--container)) - 100vw) / 2 - var(--gutter)) 0 0; padding-inline: 0; }
}
/* ARC */
.arc { padding-block: clamp(48px, 6vw, 72px); border-top: 1px solid var(--c-line-dark); }
.arc__inner { display: grid; gap: var(--sp-6); align-items: center; }
.arc h2 { margin-bottom: var(--sp-3); }
.arc__brand { color: var(--c-gold); font-family: var(--f-mono, monospace); font-weight: 500; font-size: .8em; letter-spacing: .02em; white-space: nowrap; }
.arc p { color: var(--c-cream-soft); max-width: 62ch; }
.arc__pillars { display: flex; flex-wrap: wrap; gap: 8px; }
.arc__pillars li { font-family: var(--f-mono, monospace); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; padding: 10px 14px; border: 1px solid var(--c-line-dark); color: var(--c-gold); }
@media (min-width: 1024px) { .arc__inner { grid-template-columns: 1.6fr auto auto; gap: var(--sp-7); } }

/* ───────── Banco de horas ───────── */
.hours { overflow: hidden; }
.hours__intro { display: grid; gap: var(--sp-6); align-items: end; margin-bottom: clamp(48px, 7vw, 96px); }
@media (min-width: 1024px) { .hours__intro { grid-template-columns: 1.3fr 1fr; gap: var(--sp-9); } }
.hours__refs { margin-bottom: clamp(64px, 9vw, 128px); }
.refs { display: grid; gap: 1px; background: var(--c-line-dark); border: 1px solid var(--c-line-dark); }
.ref { background: var(--c-navy); padding: clamp(24px, 3vw, 40px); }
.ref__num { font-size: clamp(4.5rem, 3rem + 6vw, 8.5rem); font-weight: 600; line-height: .85; letter-spacing: -.05em; color: var(--c-cream); font-variant-numeric: tabular-nums; }
.ref__num::after { content: "h"; font-family: var(--f-serif); font-style: italic; font-weight: 500; font-size: .45em; color: var(--c-gold); margin-left: 6px; letter-spacing: 0; }
.ref__unit { font-family: var(--f-mono, monospace); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--c-gold); margin: var(--sp-4) 0 var(--sp-3); }
.ref__d { color: var(--c-cream-soft); max-width: 34ch; }
.checks li { position: relative; padding: 8px 0 8px 28px; color: var(--c-cream-soft); border-bottom: 1px solid var(--c-line-dark); font-size: .95rem; }
.checks li:last-child { border-bottom: 0; }
.checks li::before { content: ""; position: absolute; left: 2px; top: 15px; width: 10px; height: 5px; border-left: 1.5px solid var(--c-gold); border-bottom: 1.5px solid var(--c-gold); transform: rotate(-45deg); }
.hours__fine { margin-top: var(--sp-4); font-size: var(--fs-small); color: var(--c-cream-soft); }
@media (min-width: 768px) { .refs { grid-template-columns: 1fr 1fr; } .ref--list { grid-column: 1 / -1; } }
@media (min-width: 1100px) { .refs { grid-template-columns: 1fr 1fr 1.25fr; } .ref--list { grid-column: auto; } }

.cases { padding: clamp(24px, 4vw, 56px); background: rgba(22,50,79,.55); border: 1px solid var(--c-line-dark); margin-bottom: clamp(64px, 9vw, 128px); }
.cases__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-5); margin-bottom: var(--sp-6); }
.cases__tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.cases__tabs button { min-height: 44px; padding: 10px 18px; background: none; border: 1px solid var(--c-line-dark); color: var(--c-cream-soft); cursor: pointer;
  font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; transition: background .3s, color .3s, border-color .3s; }
.cases__tabs button:hover { color: var(--c-cream); border-color: var(--c-cream-soft); }
.cases__tabs button[aria-selected="true"] { background: var(--c-cream); color: var(--c-navy); border-color: var(--c-cream); }
.case + .case { margin-top: var(--sp-7); }
.cases.is-ready .case + .case { margin-top: 0; }
.js .cases.is-ready .case[hidden] { display: none; }
.case__d { font-size: var(--fs-lead); line-height: 1.5; max-width: 64ch; margin-bottom: var(--sp-6); color: var(--c-cream); }
.alloc__cap { font-family: var(--f-mono, monospace); font-size: .78rem; letter-spacing: .08em; color: var(--c-cream-soft); margin-bottom: var(--sp-3); }
.alloc__cap b { color: var(--c-gold); font-weight: 500; }
.alloc__bar { display: flex; height: 56px; gap: 3px; background: rgba(243,239,229,.06); padding: 3px; }
.seg { flex: 0 0 calc(var(--w) - 2px); transform-origin: left; transition: transform 1s var(--ease-out); }
.seg--1 { background: var(--c-gold); } .seg--2 { background: var(--c-cream); } .seg--3 { background: var(--c-gray); }
.case.is-animating .seg { transform: scaleX(0); transition: none; }
.alloc__legend { display: grid; gap: var(--sp-3); margin-top: var(--sp-5); }
.alloc__legend li { display: flex; align-items: baseline; gap: 10px; font-size: .95rem; color: var(--c-cream-soft); }
.alloc__legend li::before { content: ""; width: 12px; height: 12px; flex: none; transform: translateY(1px); }
.alloc__legend b { font-family: var(--f-mono, monospace); font-weight: 500; color: var(--c-cream); min-width: 3.4em; }
.lg--1::before { background: var(--c-gold); } .lg--2::before { background: var(--c-cream); } .lg--3::before { background: var(--c-gray); }
@media (min-width: 768px) { .alloc__legend { grid-template-columns: repeat(3, 1fr); } }

.how h3 { margin-bottom: var(--sp-7); }
.steps { display: grid; gap: 0; counter-reset: s; position: relative; }
.step { position: relative; padding: 0 0 var(--sp-6) 64px; }
.step::before { content: ""; position: absolute; left: 21px; top: 44px; bottom: 0; width: 1px; background: var(--c-line-dark); }
.step::after { content: ""; position: absolute; left: 21px; top: 44px; bottom: 0; width: 1px; background: var(--c-gold); transform: scaleY(var(--fill, 1)); transform-origin: top; }
.step:last-child::before, .step:last-child::after { display: none; }
.step__n { position: absolute; left: 0; top: 0; width: 43px; height: 43px; display: grid; place-items: center; border: 1px solid var(--c-gold); color: var(--c-gold);
  font-family: var(--f-mono, monospace); font-size: .8rem; background: var(--c-navy); }
.step h4 { font-size: 1.0625rem; font-weight: 600; margin-bottom: 6px; padding-top: 9px; }
.step p { color: var(--c-cream-soft); font-size: .95rem; max-width: 40ch; }
@media (min-width: 1024px) {
  .steps { grid-template-columns: repeat(6, 1fr); gap: var(--sp-5); }
  .step { padding: 64px 0 0; }
  .step::before, .step::after { left: 44px; right: calc(-1 * var(--sp-5)); top: 21px; bottom: auto; width: auto; height: 1px; }
  .step::after { transform: scaleX(var(--fill, 1)); transform-origin: left; }
}
.hours__cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-5); margin-top: clamp(56px, 8vw, 112px); padding-top: var(--sp-7); border-top: 1px solid var(--c-line-dark); }
.hours__cta .h3 { max-width: 24ch; }

/* ───────── Comparativa ───────── */
.compare table { width: 100%; border-collapse: collapse; }
.compare th, .compare td { text-align: left; vertical-align: top; padding: 20px 24px; border-bottom: 1px solid var(--c-line); }
.compare thead th { padding-top: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--c-navy); }
.compare__t { display: block; font-size: clamp(1.15rem, 1rem + .6vw, 1.5rem); font-weight: 600; line-height: 1.2; margin-bottom: 6px; }
.compare__s { display: block; font-size: .9rem; color: var(--c-ink-soft); font-weight: 400; }
.compare tbody th { font-family: var(--f-mono, monospace); font-weight: 500; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--c-gold-deep); width: 18%; padding-top: 24px; }
.compare td { color: var(--c-ink-soft); }
.compare .is-feat { background: var(--c-navy); color: var(--c-cream-soft); border-bottom-color: var(--c-line-dark); }
.compare thead .is-feat { color: var(--c-cream); border-bottom-color: var(--c-gold); }
.compare thead .is-feat .compare__s { color: var(--c-cream-soft); }
.compare thead .is-feat .compare__t::after { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--c-gold); transform: rotate(45deg) translateY(-3px); margin-left: 12px; }
.compare tfoot td { border-bottom: 0; padding-top: 28px; padding-bottom: 28px; }
.compare__both { margin-top: var(--sp-6); font-family: var(--f-serif); font-style: italic; font-size: clamp(1.25rem, 1.1rem + .6vw, 1.6rem); color: var(--c-blue); max-width: 46ch; }
@media (max-width: 767px) {
  .compare table, .compare tbody, .compare tr, .compare th, .compare td, .compare tfoot { display: block; width: 100%; }
  .compare thead { display: none; }
  .compare tbody tr { margin-bottom: var(--sp-5); border: 1px solid var(--c-line); }
  .compare tbody th { width: auto; padding: 14px 18px; background: var(--c-white); border-bottom: 1px solid var(--c-line); }
  .compare td { padding: 14px 18px; }
  .compare td::before { content: attr(data-label); display: block; font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 4px; color: var(--c-navy); }
  .compare td.is-feat::before { color: var(--c-gold); }
  .compare tfoot tr { display: grid; gap: var(--sp-3); }
  .compare tfoot td { padding: 0; background: none; }
  .compare tfoot td:empty { display: none; }
  .compare tfoot .btn { width: 100%; }
}

/* ───────── Sectores ───────── */
.sectors { display: grid; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); }
.sector { background: var(--c-white); padding: clamp(24px, 3vw, 40px); display: flex; flex-direction: column; gap: var(--sp-3); position: relative; overflow: hidden; transition: background .5s var(--ease-out), color .5s; }
.sector p { color: var(--c-ink-soft); transition: color .5s; }
.sector--main { min-height: 280px; background: var(--c-cream); }
.sector--main h3 { margin-top: auto; }
.sector__tag { font-family: var(--f-mono, monospace); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--c-gold-deep); }
.sector::after { content: ""; position: absolute; right: -40px; bottom: -40px; width: 120px; height: 120px; border: 1px solid var(--c-gold); transform: rotate(45deg) scale(.4); opacity: 0; transition: transform .7s var(--ease-out), opacity .5s; }
.sector:hover { background: var(--c-navy); color: var(--c-cream); }
.sector:hover p { color: var(--c-cream-soft); }
.sector:hover .sector__tag { color: var(--c-gold); }
.sector:hover::after { transform: rotate(45deg) scale(1); opacity: 1; }
@media (min-width: 640px) { .sectors { grid-template-columns: repeat(2, 1fr); } .sector--main:first-child { grid-column: 1 / -1; } }
@media (min-width: 1024px) {
  .sectors { grid-template-columns: repeat(12, 1fr); }
  .sector--main { grid-column: span 4; }
  .sector--main:first-child { grid-column: span 4; }
  .sector:not(.sector--main) { grid-column: span 3; }
}

/* ───────── Proyectos ───────── */
.projects { display: grid; gap: clamp(64px, 9vw, 128px); }
.project { display: grid; gap: var(--sp-6); align-items: center; }
.project__media { position: relative; overflow: hidden; background: #fff; padding: clamp(8px, 1.2vw, 14px) clamp(8px, 1.2vw, 14px) 64px; border: 1px solid var(--c-line); box-shadow: 0 30px 60px -36px rgba(13,31,48,.35); }
.project__media img { width: 100%; height: auto; transition: transform 1.2s var(--ease-out); }
.js-anim [data-anim="reveal"] { clip-path: inset(0 0 100% 0); }
.project__idx { display: flex; gap: 14px; align-items: baseline; margin-bottom: var(--sp-5); font-size: var(--fs-h3); font-weight: 600; line-height: 1.2; }
.project__idx span:first-child { font-family: var(--f-serif); font-style: italic; color: var(--c-gold-deep); font-size: 1.4em; line-height: .9; }
.project dl { display: grid; gap: var(--sp-4); }
.project dl > div { padding-top: var(--sp-4); border-top: 1px solid var(--c-line); }
.project dt { font-family: var(--f-mono, monospace); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--c-gold-deep); margin-bottom: 4px; }
.project dd { color: var(--c-ink-soft); }
.project__stage { font-family: var(--f-mono, monospace); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--c-gold-deep); margin-bottom: var(--sp-3); }
.project dl { gap: 0; }
.project dl > div { display: grid; gap: 4px; padding-block: var(--sp-3); }
@media (min-width: 640px) { .project dl > div { grid-template-columns: 9.5rem 1fr; gap: var(--sp-4); } .project dt { margin: 3px 0 0; } }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { font-size: .78rem; padding: 4px 10px; border: 1px solid var(--c-line); background: var(--c-white); color: var(--c-navy); }
.project__zoom { position: absolute; right: clamp(8px, 1.2vw, 14px); bottom: 10px; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 14px;
  background: rgba(13,31,48,.9); color: var(--c-cream); border: 1px solid rgba(243,239,229,.25); cursor: zoom-in; font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; transition: background .3s, color .3s; }
.project__zoom .ico { width: 15px; height: 15px; }
.project__zoom:hover, .project__zoom:focus-visible { background: var(--c-gold); color: var(--c-navy); }
.viewer { width: min(96vw, 1500px); max-height: 94vh; padding: 0; border: 0; background: var(--c-navy); color: var(--c-cream); overflow: auto; }
.viewer::backdrop { background: rgba(6,15,24,.86); }
.viewer__bar { position: sticky; top: 0; display: flex; justify-content: space-between; align-items: center; gap: var(--sp-4); padding: 10px 10px 10px 20px; background: var(--c-navy); border-bottom: 1px solid var(--c-line-dark); font-size: .85rem; }
.viewer__close { width: 44px; height: 44px; flex: none; background: none; border: 1px solid var(--c-line-dark); color: inherit; cursor: pointer; font-size: 1rem; }
.viewer__close:hover { background: var(--c-gold); color: var(--c-navy); }
.viewer__img { width: 100%; height: auto; background: #fff; }
@media (min-width: 1024px) {
  .project { grid-template-columns: 1.45fr 1fr; gap: var(--sp-8); }
  .project--flip { grid-template-columns: 1fr 1.45fr; }
  .project--flip .project__media { order: 2; }
}

/* ───────── Metodología ───────── */
.method { display: grid; gap: var(--sp-6); counter-reset: m; }
.method li { position: relative; padding-top: var(--sp-6); }
.method li::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--c-line); }
.method li::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--c-navy); transform: scaleX(var(--fill, 1)); transform-origin: left; }
.method__n { display: block; font-family: var(--f-serif); font-style: italic; font-size: 3rem; line-height: 1; color: var(--c-gold-deep); margin-bottom: var(--sp-4); }
.method h3 { margin-bottom: var(--sp-3); }
.method p { color: var(--c-ink-soft); }
@media (min-width: 768px) { .method { grid-template-columns: repeat(2, 1fr); gap: var(--sp-7); } }
@media (min-width: 1100px) { .method { grid-template-columns: repeat(4, 1fr); } }
.tools { margin-top: clamp(48px, 7vw, 96px); display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4) var(--sp-5); padding: var(--sp-5) 0; border-block: 1px solid var(--c-line); }
.tools .label { margin: 0; }
.tools ul { display: flex; flex-wrap: wrap; gap: 8px; }
.tools li { padding: 8px 14px; border: 1px solid var(--c-line); font-family: var(--f-mono, monospace); font-size: .78rem; background: var(--c-white); }
.tools__note { font-family: var(--f-serif); font-style: italic; font-size: 1.15rem; color: var(--c-blue); margin-left: auto; }

/* ───────── Por qué ───────── */
.why { display: grid; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); }
.why__item { background: var(--c-white); padding: clamp(24px, 3vw, 40px); }
.why__item span { display: block; font-family: var(--f-mono, monospace); font-size: .75rem; color: var(--c-gold-deep); margin-bottom: var(--sp-6); }
.why__item h3 { margin-bottom: var(--sp-3); }
.why__item p { color: var(--c-ink-soft); }
@media (min-width: 640px) { .why { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .why { grid-template-columns: repeat(3, 1fr); } }

/* ───────── Nosotros ───────── */
.about { display: grid; gap: clamp(40px, 6vw, 80px); align-items: start; }
.about__text { display: grid; gap: var(--sp-5); }
.about__text .eyebrow { margin-bottom: 0; }
.about__text .h2 { margin-bottom: var(--sp-3); }
.about__text p:not(.eyebrow) { color: var(--c-ink-soft); max-width: 62ch; }
/* Fundadora: sello circular de líneas técnicas (eco del globo del logo), sin caja: se funde con el fondo */
.founder { display: grid; justify-items: center; gap: var(--sp-5); }
.founder__seal { position: relative; width: min(100%, 420px); aspect-ratio: 1; display: grid; place-items: center; }
.founder__orbit { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.founder__orbit circle, .founder__orbit path { fill: none; vector-effect: non-scaling-stroke; }
.founder__orbit .fo-glow { fill: url(#founder-glow); }
.fo-dash { stroke: rgba(138,100,32,.45); stroke-width: 1; stroke-dasharray: 2 9; }
.fo-ring { stroke: rgba(138,100,32,.55); stroke-width: 1; }
.fo-ring--in { stroke: rgba(22,50,79,.18); }
.fo-grid { stroke: rgba(138,100,32,.7); stroke-width: 1; }
.fo-grid--soft { stroke: rgba(22,50,79,.22); }
.fo-dot { fill: var(--c-gold); }
.fo-tick { font-family: var(--f-mono); font-size: 10px; letter-spacing: .1em; fill: var(--c-gold-deep); text-anchor: middle; }
.fo-spin, .fo-orbit { transform-origin: 200px 200px; transform-box: view-box; }
.fo-spin { animation: spin 90s linear infinite; }
.fo-orbit { animation: spin 26s linear infinite; }
.founder__body { position: relative; text-align: center; display: grid; gap: 6px; padding: 0 18%; }
.founder__body .label { margin: 0 0 6px; }
.founder__name { font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.5rem); font-weight: 600; line-height: 1.05; letter-spacing: -.02em; color: var(--c-navy); }
.founder__name span { display: block; }
.founder__name .serif { color: var(--c-gold-deep); font-size: 1.12em; }
.founder__role { color: var(--c-ink-soft); font-size: .95rem; margin-top: 4px; }
.founder__link { color: var(--c-navy); }
@media (min-width: 1024px) { .about { grid-template-columns: 1.35fr 1fr; align-items: center; } .founder { position: sticky; top: calc(var(--header-h) + 32px); } }

/* ───────── FAQ ───────── */
.faq { display: grid; gap: var(--sp-7); }
.faq__head .eyebrow { margin-bottom: var(--sp-4); }
@media (min-width: 1024px) { .faq { grid-template-columns: 1fr 1.8fr; } .faq__head { position: sticky; top: calc(var(--header-h) + 32px); align-self: start; } }
.qa { border-bottom: 1px solid var(--c-line); }
.qa:first-child { border-top: 1px solid var(--c-navy); }
.qa summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: var(--sp-5); padding: 22px 0; cursor: pointer;
  font-weight: 600; font-size: clamp(1rem, .96rem + .2vw, 1.125rem); line-height: 1.35; transition: color .3s; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--c-gold-deep); }
.qa__icon { width: 30px; height: 30px; flex: none; border: 1px solid var(--c-line); border-radius: 50%; position: relative; transition: transform .45s var(--ease-out), background .3s; }
.qa__icon::before, .qa__icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.5px; background: currentColor; transform: translate(-50%, -50%); }
.qa__icon::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .45s var(--ease-out); }
.qa[open] .qa__icon { background: var(--c-gold); border-color: var(--c-gold); }
.qa[open] .qa__icon::after { transform: translate(-50%, -50%) rotate(0); }
.qa__a { padding: 0 48px 24px 0; color: var(--c-ink-soft); max-width: 70ch; }
.qa[open] .qa__a { animation: panelIn .5s var(--ease-out); }

/* ───────── Contacto ───────── */
.contact__top { position: relative; margin-bottom: clamp(48px, 7vw, 96px); }
.contact .display { max-width: 12ch; }
.stamp { position: absolute; right: 0; bottom: -10px; width: clamp(110px, 14vw, 170px); aspect-ratio: 1; display: none; color: var(--c-gold); }
.stamp svg { width: 100%; height: 100%; }
.stamp text { font-family: var(--f-mono, monospace); font-size: 13.5px; letter-spacing: .2em; fill: currentColor; }
.stamp svg text { transform-origin: 100px 100px; animation: spin 22s linear infinite; }
.stamp__arrow { fill: none; stroke: currentColor; stroke-width: 2; transition: transform .5s var(--ease-out); transform-origin: 100px 100px; }
.stamp:hover .stamp__arrow { transform: rotate(45deg); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (min-width: 900px) { .stamp { display: block; } }
.contact__grid { display: grid; gap: clamp(48px, 6vw, 80px); }
@media (min-width: 1024px) { .contact__grid { grid-template-columns: 1fr 1.5fr; } }
.contact__side .lead { margin-bottom: var(--sp-7); }
.channels { border-top: 1px solid var(--c-line-dark); }
.channels a { display: grid; grid-template-columns: 1fr auto; gap: 2px var(--sp-4); padding: 18px 0; border-bottom: 1px solid var(--c-line-dark); text-decoration: none; transition: padding .4s var(--ease-out), color .3s; }
.channels a:hover { padding-left: 10px; color: var(--c-gold); }
.channels__t { font-weight: 600; font-size: 1.05rem; }
.channels__d { grid-row: 2; color: var(--c-cream-soft); font-size: .9rem; }
.channels .ico { grid-row: 1 / 3; grid-column: 2; align-self: center; width: 16px; height: 16px; }

.form { display: grid; gap: var(--sp-5); padding: clamp(24px, 4vw, 48px); background: var(--c-cream); color: var(--c-navy); }
.form__row { display: grid; gap: var(--sp-5); }
@media (min-width: 640px) { .form__row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 8px; border: 0; padding: 0; margin: 0; min-width: 0; }
.field label, .field legend { font-size: .8rem; font-weight: 600; letter-spacing: .02em; padding: 0; }
.field abbr { text-decoration: none; color: var(--c-gold-deep); }
.field input, .field select, .field textarea { width: 100%; min-height: 52px; padding: 12px 14px; font: inherit; font-size: 1rem; color: var(--c-navy);
  background: var(--c-white); border: 1px solid var(--c-line); border-bottom: 1.5px solid var(--c-blue); border-radius: 0; transition: border-color .3s, box-shadow .3s; }
.field textarea { resize: vertical; min-height: 120px; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--c-navy) 50%), linear-gradient(135deg, var(--c-navy) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--c-gold); box-shadow: 0 2px 0 var(--c-gold); }
.field [aria-invalid="true"] { border-bottom-color: #A3261B; }
.field__err { font-size: .8rem; color: #A3261B; min-height: 0; }
.field__err:empty { display: none; }
.radios { display: grid; gap: 8px; margin-top: 8px; }
@media (min-width: 640px) { .radios { grid-template-columns: repeat(3, 1fr); } }
.radio { position: relative; display: flex; align-items: center; gap: 10px; min-height: 52px; padding: 12px 14px; background: var(--c-white); border: 1px solid var(--c-line); cursor: pointer; font-size: .9rem; font-weight: 500; transition: border-color .3s, background .3s, color .3s; }
.radio input { width: 18px; height: 18px; min-height: 0; margin: 0; accent-color: var(--c-gold-deep); flex: none; }
.radio:hover { border-color: var(--c-blue); }
.radio:has(input:checked) { background: var(--c-navy); color: var(--c-cream); border-color: var(--c-navy); }
.radio:has(input:focus-visible) { outline: 2px solid var(--c-gold); outline-offset: 2px; }
.form__foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--sp-4); }
.form__consent { font-size: var(--fs-small); color: var(--c-ink-soft); max-width: 36ch; }
.form__status { font-weight: 600; }
.form__status:empty { display: none; }
.form__status.is-ok { padding: 14px 18px; background: var(--c-navy); color: var(--c-cream); border-left: 3px solid var(--c-gold); }
.form__status.is-err { padding: 14px 18px; background: #FBEDEB; color: #7A1D14; }
.form .btn--primary { --bg: var(--c-navy); --fg: var(--c-cream); --hover: var(--c-gold); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ───────── Footer ───────── */
.site-footer { background: var(--c-navy); color: var(--c-cream); padding-top: clamp(56px, 8vw, 96px); border-top: 1px solid var(--c-line-dark); }
.footer__grid { display: grid; gap: var(--sp-7); padding-bottom: var(--sp-8); }
.footer__logo { display: inline-block; background: var(--c-cream); padding: 18px 26px 14px; }
.footer__logo img { width: 172px; height: auto; }
.footer__desc { margin-top: var(--sp-5); color: var(--c-cream-soft); max-width: 44ch; font-size: .95rem; }
.site-footer .label { color: var(--c-gold); }
.site-footer ul { display: grid; gap: 4px; }
.site-footer ul a { display: inline-block; padding: 6px 0; text-decoration: none; color: var(--c-cream-soft); transition: color .3s; }
.site-footer ul a:hover { color: var(--c-gold); }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--sp-4); padding-block: var(--sp-5) var(--sp-6); border-top: 1px solid var(--c-line-dark); font-size: var(--fs-small); color: var(--c-cream-soft); }
.footer__arc { font-family: var(--f-mono, monospace); color: var(--c-gold); opacity: .7; font-size: .72rem; }
@media (min-width: 900px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr; } }

/* ───────── Ajustes de densidad en celulares (menos altura, misma jerarquía) ───────── */
@media (max-width: 639px) {
  .section-head { margin-bottom: 32px; gap: 16px; }
  .challenge { min-height: 0; padding: 20px; gap: 8px; }
  .challenge__fix { padding-top: 8px; }
  .why__item { padding: 22px; }
  .why__item span { margin-bottom: 14px; }
  .method { gap: 28px; }
  .method li { padding-top: 20px; }
  .method__n { font-size: 2.2rem; margin-bottom: 8px; }
  .sector, .sector--main { min-height: 0; padding: 22px; }
  .hours__intro, .hours__refs, .cases { margin-bottom: 56px; }
  .ref { padding: 22px; }
  .step { padding-bottom: 22px; }
  .projects { gap: 64px; }
  .project dl > div { padding-block: 10px; }
  .hours__cta { margin-top: 48px; }
  .cases { padding: 20px; }
  .challenge__fix small { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; } /* oculto a la vista, no al lector */
}
/* en pantallas angostas el modelo BIM va inmediatamente después del título */
@media (max-width: 1023px) { .bim__media { order: -1; } }
@media (max-width: 639px) { .bim__media { padding-bottom: 70px; } }
/* objetivos táctiles cómodos (≥ 44 px) */
.link-arrow { min-height: 44px; }
.site-footer ul a { padding: 10px 0; }
.channels a { min-height: 56px; }

/* ───────── Estados de animación (solo si GSAP cargó y no hay reduced-motion) ───────── */
.js-anim [data-anim="fade-up"], .js-anim [data-anim="stagger"] > * { opacity: 0; }
.js-anim.split-ok [data-anim="lines"]:not(.is-split) { opacity: 0; }
.js-anim .hero [data-draw] { stroke-dashoffset: 2000; stroke-dasharray: 2000; }
.line { padding-bottom: .06em; }

/* ───────── Reduced motion ───────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .ticker__track { animation: none; flex-wrap: wrap; width: auto; }
  .ticker ul + ul { display: none; }
  .ticker ul { flex-wrap: wrap; justify-content: center; }
  .stamp svg text { animation: none; }
  .clash__ring { animation: none; opacity: .6; }
}

/* ───────── Impresión ───────── */
@media print {
  .site-header, .menu-overlay, .ticker, .hero__scroll, .stamp, .form { display: none !important; }
  .section--navy, .section--blue, .site-footer { background: #fff !important; color: #000 !important; }
  .svc .svc__body { grid-template-rows: 1fr !important; } .svc .svc__inner { visibility: visible !important; }
}