/* Pyroblast-C — sistema visual
   Colores tomados del producto real (verde lima muestreado de la etiqueta). */
:root {
  --coal: #0b0d0c;
  --graphite: #171b19;
  --graphite-2: #222823;
  --bone: #f2f4ee;
  --sand: #e3e7dc;
  --tech: #a8b0b7;
  --lime: #80bf23;
  --lime-deep: #3f6e10;
  --handle: #e8db1a;

  --ink: var(--coal);
  --on-dark: var(--bone);

  --f: "Libre Franklin", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --step-s: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-b: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --step-l: clamp(1.15rem, 1.05rem + 0.5vw, 1.45rem);
  --step-h2: clamp(2.1rem, 1.2rem + 3.6vw, 4.6rem);
  --step-h1: clamp(3.1rem, 1rem + 5.9vw, 7.2rem);

  --gut: clamp(16px, 4vw, 56px);
  --gap-sec: clamp(88px, 12vw, 180px);
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-io: cubic-bezier(0.77, 0, 0.175, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 var(--step-b)/1.6 var(--f); color: var(--ink); background: var(--coal); overflow-x: hidden; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; height: auto; }
figure, ul, h1, h2, h3, p { margin: 0; padding: 0; }
ul { list-style: none; }
a { color: inherit; }
h1, h2, h3 { font-weight: 800; letter-spacing: -0.03em; line-height: 1; text-wrap: balance; }
h3 { letter-spacing: -0.01em; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
::selection { background: var(--lime); color: var(--coal); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: 8px; top: -60px; z-index: 100; background: var(--lime); color: var(--coal); padding: 12px 16px; font-weight: 600; transition: top 160ms var(--ease); }
.skip:focus { top: 8px; }
.wrap { padding-inline: var(--gut); max-width: 1680px; margin-inline: auto; }

/* Etiquetas de dato pendiente: siempre visibles y consistentes */
.tag { display: inline-block; font-size: var(--step-s); font-weight: 600; line-height: 1.3; padding: 2px 8px; background: var(--handle); color: var(--coal); vertical-align: baseline; margin-inline: 2px; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; font: 600 var(--step-b)/1 var(--f); text-decoration: none; border: 2px solid transparent; border-radius: 0; cursor: pointer; transition: transform 160ms var(--ease), background-color 160ms ease, color 160ms ease, border-color 160ms ease; -webkit-tap-highlight-color: transparent; }
.btn:active { transform: scale(0.97); }
.btn-sm { min-height: 42px; padding: 0 18px; font-size: 0.95rem; }
.btn-primary { background: var(--lime); color: var(--coal); }
.btn-ghost { border-color: rgba(242, 244, 238, 0.5); color: var(--bone); }
.btn-dark { background: var(--coal); color: var(--bone); }
.btn-block { width: 100%; min-height: 56px; }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: #95d63a; }
  .btn-ghost:hover { border-color: var(--lime); color: var(--lime); }
  .btn-dark:hover { background: var(--lime-deep); }
}
.btn[disabled] { opacity: 0.65; cursor: progress; }

/* Header */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background-color 240ms ease, transform 240ms var(--ease); }
.site-header.solid { background: rgba(11, 13, 12, 0.94); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; padding-inline: var(--gut); max-width: 1680px; margin-inline: auto; color: var(--bone); }
.wordmark { font-weight: 900; font-size: 1.25rem; letter-spacing: -0.04em; text-decoration: none; }
.wordmark span { color: var(--lime); }
.nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 32px); }
.nav a:not(.btn) { text-decoration: none; font-size: 0.95rem; font-weight: 500; padding: 8px 0; position: relative; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px; background: var(--lime); transform: scaleX(0); transform-origin: left; transition: transform 200ms var(--ease); }
.nav a[aria-current="true"]::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) { .nav a:not(.btn):hover::after { transform: scaleX(1); } }
.menu-btn { display: none; width: 48px; height: 48px; background: none; border: 0; cursor: pointer; position: relative; color: var(--bone); }
.menu-btn i, .menu-btn i::before { content: ""; position: absolute; left: 0; right: 0; height: 2px; background: currentColor; transition: transform 200ms var(--ease); }
.menu-btn i { top: 23px; transform: translateY(-4px); }
.menu-btn i::before { top: 0; transform: translateY(8px); }
.menu-btn[aria-expanded="true"] i { transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] i::before { transform: rotate(-90deg); }

/* Hero */
.hero { position: relative; min-height: max(100svh, 680px); background: var(--coal); color: var(--bone); display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; overflow: hidden; }
.hero-media { grid-column: 2; grid-row: 1; height: max(100svh, 680px); aspect-ratio: 1122 / 1402; margin-right: 3vw; -webkit-mask-image: linear-gradient(to right, transparent 0, #000 24%, #000 76%, transparent 100%); mask-image: linear-gradient(to right, transparent 0, #000 24%, #000 76%, transparent 100%); } /* taste-skill-ignore: máscara funcional, no decorativa */
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-copy { grid-column: 1; grid-row: 1; padding: 112px 0 120px var(--gut); max-width: min(46vw, 760px); position: relative; z-index: 2; }
.hero h1 { font-size: var(--step-h1); font-weight: 900; text-transform: uppercase; letter-spacing: -0.045em; line-height: 0.9; }
.lead { margin-top: 28px; font-size: var(--step-l); line-height: 1.5; max-width: 34ch; color: var(--bone); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-facts { position: absolute; left: var(--gut); bottom: 28px; display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: var(--step-s); color: var(--tech); z-index: 2; }
.hero-facts li::before { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--lime); margin-right: 10px; }

/* Secciones */
.sec { padding-block: var(--gap-sec); }
.sec-bone { background: var(--bone); color: var(--coal); }
.sec-sand { background: var(--sand); color: var(--coal); }
.sec-coal { background: var(--graphite); color: var(--bone); }
.sec h2 { font-size: var(--step-h2); }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(16px, 2vw, 32px); }
.col-head { grid-column: 1 / -1; align-self: start; margin-bottom: 48px; }
.col-head > p { max-width: 58ch; }
.col-head h2 { margin-bottom: 24px; }
.col-head p + p { margin-top: 16px; }
.col-body { grid-column: 6 / -1; display: grid; gap: 32px; max-width: 62ch; }
.statement { font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2.25rem); font-weight: 500; line-height: 1.25; letter-spacing: -0.015em; }
.intro { margin: 20px 0 56px; font-size: var(--step-l); max-width: 46ch; line-height: 1.5; }
.pending-note { font-size: var(--step-b); }
.sec-coal .tag, .site-footer .tag { background: var(--handle); }

/* Tecnología: pasillo de fichas */
.tiles { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px 10px; }
.tile { display: flex; flex-direction: column; gap: 6px; }
.tile-wide { grid-column: span 2; }
.tile-img { aspect-ratio: 4 / 5; overflow: hidden; margin-bottom: 10px; }
.tile-wide .tile-img { aspect-ratio: 8 / 5; }
.tile-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease); }
.t-coal { background: var(--coal); } .t-graphite { background: var(--graphite-2); } .t-bone { background: var(--bone); }
.tile h3 { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; }
.tile p { font-size: 0.97rem; line-height: 1.5; max-width: 34ch; }
@media (hover: hover) and (pointer: fine) { .tile:hover .tile-img img { transform: scale(1.04); } }

/* Especificaciones */
.spec-layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 96px); align-items: start; }
.anatomy { position: sticky; top: 96px; width: min(100%, 520px); justify-self: center; margin-block: 8px; }
.anatomy img { width: 100%; }
.co { position: absolute; top: var(--y); transform: translateY(-50%); font-size: var(--step-s); font-weight: 600; color: var(--bone); white-space: nowrap; line-height: 1.2; background: rgba(11, 13, 12, 0.82); padding-block: 4px; }
.co::after { content: ""; position: absolute; top: 50%; height: 2px; width: 36px; background: var(--lime); }
.co::before { content: ""; position: absolute; top: 50%; width: 8px; height: 8px; background: var(--lime); transform: translateY(-50%); }
.co-l { right: calc(50% + 10%); padding-right: 54px; text-align: right; }
.co-l::after { right: 12px; } .co-l::before { right: 4px; }
.co-r { left: calc(50% + 10%); padding-left: 54px; }
.co-r::after { left: 12px; } .co-r::before { left: 4px; }
.spec-table table { width: 100%; border-collapse: collapse; font-size: var(--step-b); }
.spec-table th, .spec-table td { text-align: left; padding: 15px 12px 15px 0; vertical-align: top; border-bottom: 1px solid rgba(242, 244, 238, 0.14); }
.spec-table thead th { font-size: var(--step-s); color: var(--tech); font-weight: 600; }
.spec-table tbody th { font-weight: 600; width: 38%; }
.spec-table td { color: var(--bone); }

/* Aplicaciones */
.apl { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 120px); align-items: start; }
.apl-img { aspect-ratio: 3 / 4; overflow: hidden; background: var(--coal); }
.apl-img img { width: 100%; height: 100%; object-fit: cover; }
.apl-body .intro { margin-bottom: 40px; }
.apl-list li { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 22px 24px; margin-bottom: 8px; background: var(--sand); }
.apl-list h3 { font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.9rem); letter-spacing: -0.02em; margin-bottom: 4px; }
.apl-list p { font-size: 0.97rem; max-width: 46ch; }
.status { flex: none; font-size: var(--step-s); font-weight: 600; padding: 5px 12px; background: var(--sand); color: var(--coal); }
.status.ok { background: var(--lime); }

/* Visual */
.visual { padding-bottom: 0; }
.visual-main { margin-top: 48px; overflow: hidden; }
.visual-main img { width: 100%; aspect-ratio: 16 / 8.5; object-fit: cover; object-position: 50% 45%; }
.visual-row { display: grid; grid-template-columns: 4fr 3fr 3fr; gap: clamp(12px, 2vw, 32px); align-items: end; padding-block: 56px var(--gap-sec); }
.visual-row p { font-size: var(--step-l); line-height: 1.45; max-width: 26ch; }
.visual-row img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.visual-row figure:last-child { margin-bottom: 64px; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 6vw, 112px); align-items: start; }
.faq-list { margin: 40px 0 44px; }
.faq details { padding: 0; }
.faq summary { list-style: none; cursor: pointer; padding: 20px 56px 20px 20px; margin-top: 8px; background: var(--sand); font-size: var(--step-l); font-weight: 600; letter-spacing: -0.01em; line-height: 1.25; position: relative; min-height: 48px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before, .faq summary::after { content: ""; position: absolute; right: 20px; top: 50%; width: 18px; height: 2px; background: currentColor; transition: transform 240ms var(--ease); }
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0); }
.faq details p { padding: 16px 20px 8px; max-width: 58ch; animation: open 280ms var(--ease); }
@keyframes open { from { opacity: 0; transform: translateY(-6px); } }
.faq-media { position: relative; padding-bottom: 60px; }
.faq-media .big { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: 50% 30%; }
.faq-media .small { position: absolute; width: 38%; aspect-ratio: 1; object-fit: cover; left: -40px; bottom: 0; border: 6px solid var(--bone); }

/* Contacto */
.contact { position: relative; background: var(--coal); padding: clamp(80px, 10vw, 140px) var(--gut); min-height: 100svh; display: flex; justify-content: flex-end; align-items: flex-start; overflow: clip; }
.contact-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 20% 50%; }
.contact::after { content: ""; position: absolute; inset: 0; background: rgba(11, 13, 12, 0.5); }
.contact-card { position: sticky; top: 88px; z-index: 2; width: min(100%, 540px); background: var(--bone); color: var(--coal); padding: clamp(24px, 3vw, 40px); }
.contact-card h2 { font-size: clamp(1.9rem, 1.4rem + 1.6vw, 2.8rem); margin-bottom: 12px; }
.card-lead { margin-bottom: 24px; }
.field { margin-bottom: 18px; position: relative; }
.field label { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 6px; }
.field input:not([type="checkbox"]), .field select, .field textarea { width: 100%; min-height: 50px; padding: 12px 14px; font: inherit; font-size: 1rem; color: var(--coal); background: #fff; border: 2px solid #b9bfb2; border-radius: 0; transition: border-color 160ms ease; }
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--lime); outline-offset: 0; border-color: var(--coal); }
.field [aria-invalid="true"] { border-color: #b3261e; }
.err { color: #b3261e; font-size: 0.9rem; font-weight: 500; margin-top: 6px; min-height: 0; }
.err:empty { display: none; }
.check { display: grid; grid-template-columns: 24px 1fr; gap: 6px 12px; align-items: start; }
.check input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--lime-deep); }
.check label { margin: 0; font-weight: 400; }
.check .err { grid-column: 2; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; } /* taste-skill-ignore: campo trampa para bots, invisible */
.status-msg { margin-top: 16px; padding: 0; font-weight: 500; }
.status-msg:not(:empty) { padding: 14px 16px; }
.status-msg.ok { background: #e1f2c8; border: 2px solid var(--lime-deep); }
.status-msg.bad { background: #fbe3e0; border: 2px solid #b3261e; }
.contact-pending { margin-top: 20px; font-size: 0.95rem; }
.btn.loading .btn-label::after { content: ""; display: inline-block; width: 14px; height: 14px; margin-left: 12px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; vertical-align: -2px; animation: spin 700ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.site-footer { background: var(--coal); color: var(--bone); padding: 96px 0 40px; overflow: hidden; }
.foot-name { font-size: clamp(2.6rem, 12.4vw, 15rem); font-weight: 900; letter-spacing: -0.06em; line-height: 0.82; white-space: nowrap; margin-bottom: 64px; }
.foot-name span { color: var(--lime); }
.foot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; max-width: 1100px; }
.foot-grid p + p { margin-top: 10px; }
.foot-note { margin-top: 56px; font-size: var(--step-s); color: var(--tech); }

/* Movimiento: contenido visible por defecto; se oculta solo si hay JS */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); transition-delay: var(--d, 0ms); }
.js .reveal.in { opacity: 1; transform: none; }
.js .hero-media { clip-path: inset(0 0 100% 0); animation: shutter 1100ms var(--ease-io) 150ms forwards; }
.js .hero-media img { transform: scale(1.12); animation: settle 1300ms var(--ease) 150ms forwards; }
.js .hero-copy > * { opacity: 0; transform: translateY(20px); animation: rise 700ms var(--ease) forwards; }
.js .hero-copy > :nth-child(1) { animation-delay: 200ms; }
.js .hero-copy > :nth-child(2) { animation-delay: 300ms; }
.js .hero-copy > :nth-child(3) { animation-delay: 380ms; }
@keyframes shutter { to { clip-path: inset(0 0 0 0); } }
@keyframes settle { to { transform: none; } }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal, .js .hero-copy > *, .js .hero-media, .js .hero-media img { transition: none; animation: none; opacity: 1; transform: none; clip-path: none; }
  .btn, .tile-img img, .nav a::after { transition: none; }
  .faq details p { animation: none; }
}

/* Tablet */
@media (max-width: 1100px) {
  .col-head { grid-column: 1 / -1; margin-bottom: 40px; }
  .col-body { grid-column: 1 / -1; }
  .tiles { grid-column: 1 / -1; }
  .spec-layout, .apl, .faq-grid { grid-template-columns: 1fr; }
  .apl-img { aspect-ratio: 16 / 10; }
  .faq-media { max-width: 520px; }
}

/* Móvil / menú */
@media (max-width: 899px) {
  .menu-btn { display: block; }
  .nav { position: fixed; inset: 72px 0 0 0; background: var(--coal); flex-direction: column; align-items: stretch; gap: 0; padding: 16px var(--gut) 32px; transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity 200ms var(--ease), transform 200ms var(--ease), visibility 0s linear 200ms; overflow-y: auto; }
  .nav.open { opacity: 1; transform: none; visibility: visible; transition-delay: 0s; }
  .nav a:not(.btn) { font-size: 1.6rem; font-weight: 700; padding: 14px 0; }
  .nav a:not(.btn)::after { display: none; }
  .nav-cta { margin-top: 24px; min-height: 56px; }
  .site-header.menu-open { background: var(--coal); }

  .hero { display: flex; flex-direction: column; align-items: stretch; min-height: 0; }
  .hero-media { order: 0; width: 100%; height: auto; max-height: 68svh; aspect-ratio: 4 / 5; margin: 0; -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent 100%); mask-image: linear-gradient(to bottom, #000 70%, transparent 100%); } /* taste-skill-ignore */
  .hero-copy { order: 1; max-width: none; padding: 0 var(--gut) 24px; margin-top: -48px; }
  .hero h1 { font-size: clamp(2.6rem, 13.2vw, 5rem); }
  .lead { max-width: none; }
  .actions .btn { width: 100%; }
  .hero-facts { position: static; padding: 8px var(--gut) 36px; order: 2; flex-direction: column; gap: 8px; }

  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 8px; }
  .tile h3 { font-size: 1.05rem; }
  .tile p { font-size: 0.93rem; }
  .spec-table th, .spec-table td { display: block; width: 100% !important; padding: 0; border: 0; }
  .spec-table thead { display: none; }
  .spec-table tr { display: block; padding: 14px 0; border-bottom: 1px solid rgba(242, 244, 238, 0.14); }
  .spec-table tbody th { margin-bottom: 4px; color: var(--tech); font-size: var(--step-s); }
  .apl-list li { align-items: flex-start; flex-direction: column; gap: 10px; }
  .visual-row { grid-template-columns: 1fr 1fr; }
  .visual-row p { grid-column: 1 / -1; max-width: none; }
  .visual-row figure:last-child { margin-bottom: 0; }
  .visual-main img { aspect-ratio: 4 / 3; }
  .faq-media .small { left: auto; right: -8px; }
  .contact { padding: 0 0 0; min-height: 0; display: block; }
  .contact-bg { position: relative; height: 56svh; }
  .contact::after { display: none; }
  .contact-card { position: relative; top: auto; width: auto; margin: -80px var(--gut) 0; }
  .foot-grid { grid-template-columns: 1fr; }
  .co { font-size: 0.8125rem; white-space: normal; max-width: 27vw; }
  .co-l { right: calc(50% + 11%); padding-right: 30px; }
  .co-r { left: calc(50% + 11%); padding-left: 30px; }
  .co::after { width: 18px; }
  .co-l::after { right: 10px; } .co-r::after { left: 10px; }
}

/* Posición vertical de las anotaciones (sin estilos inline por CSP) */
.co[data-y="1"] { --y: 5.5%; } .co[data-y="2"] { --y: 10.5%; } .co[data-y="3"] { --y: 33%; }
.co[data-y="4"] { --y: 62%; } .co[data-y="5"] { --y: 84%; }
.menu-btn i { left: 12px; right: 12px; }

/* ---- Refresco: cartel, sistema (campo lima), zoom en tres distancias ---- */
.apl-img img { object-position: 72% 50%; }

.band { position: relative; min-height: min(86svh, 820px); display: flex; align-items: flex-end; background: var(--coal); color: var(--bone); overflow: clip; }
.band-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; }
.band::after { content: ""; position: absolute; inset: 0; background: rgba(11, 13, 12, 0.38); }
.band-copy { position: relative; z-index: 2; padding: 0 var(--gut) clamp(32px, 6vw, 80px); max-width: 1680px; }
.band h2 { font-size: clamp(3rem, 0.6rem + 11.2vw, 13rem); font-weight: 900; text-transform: uppercase; letter-spacing: -0.05em; line-height: 0.86; }
.band p { margin-top: 20px; font-size: var(--step-l); max-width: 36ch; }

.sec-lime { background: var(--lime); color: var(--coal); }
.sec-lime .tag { background: var(--coal); color: var(--bone); }
.sys-list { grid-column: 6 / -1; }
.sys-list li { padding: 26px 0 28px; border-top: 3px solid var(--coal); }
.sys-list li:last-child { border-bottom: 3px solid var(--coal); }
.sys-list h3 { font-size: clamp(1.6rem, 1.1rem + 1.9vw, 3rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.02; margin-bottom: 10px; max-width: 18ch; }
.sys-list p { font-size: var(--step-l); max-width: 44ch; line-height: 1.4; }

.zoom { background: var(--coal) url("assets/gen-wall.webp") center / cover no-repeat; color: var(--bone); position: relative; }
.zoom::before { content: ""; position: absolute; inset: 0; background: rgba(11, 13, 12, 0.62); }
.zoom-stage { position: relative; padding: 96px var(--gut) 64px; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(24px, 5vw, 96px); align-items: center; max-width: 1680px; margin-inline: auto; }
.zoom-copy h2 { font-size: var(--step-h2); margin-bottom: 40px; max-width: 12ch; }
.zoom-caps { display: grid; }
.zoom-cap { grid-area: 1 / 1; font-size: var(--step-l); line-height: 1.4; max-width: 30ch; opacity: 1; }
.zoom-cap strong { display: block; color: var(--lime); font-weight: 800; font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); letter-spacing: -0.02em; margin-bottom: 6px; }
.zoom-frame { width: min(100%, min(540px, 70svh * 0.8)); aspect-ratio: 4 / 5; overflow: hidden; background: var(--coal); justify-self: center; }
.zoom-frame img { width: 100%; height: 100%; object-fit: cover; transform-origin: 50% 50%; transition: transform 900ms var(--ease-io); }
.zoom-stage[data-step="1"] .zoom-frame img { transform: scale(2.6); transform-origin: 50% 8%; }
.zoom-stage[data-step="2"] .zoom-frame img { transform: scale(2.2); transform-origin: 46% 35%; }

/* Con JS: pista alta con escenario fijo; sin JS: apilado estático */
.js .zoom-track { height: 250vh; }
.js .zoom-stage { position: sticky; top: 0; min-height: 100svh; padding-block: 88px 40px; }
.js .zoom-cap { opacity: 0; transform: translateY(10px); transition: opacity 400ms var(--ease), transform 400ms var(--ease); pointer-events: none; }
.js .zoom-stage[data-step="0"] [data-cap="0"],
.js .zoom-stage[data-step="1"] [data-cap="1"],
.js .zoom-stage[data-step="2"] [data-cap="2"] { opacity: 1; transform: none; pointer-events: auto; }
.zoom-track { position: relative; }
.no-js-fallback { display: none; }
@media (prefers-reduced-motion: reduce) {
  .zoom-frame img, .js .zoom-cap { transition: none; }
}
@media (max-width: 1100px) {
  .sys-list { grid-column: 1 / -1; }
}
@media (max-width: 899px) {
  .zoom-stage { grid-template-columns: 1fr; gap: 20px; align-content: center; padding-block: 84px 32px; }
  .zoom-copy { order: 2; }
  .zoom-copy h2 { font-size: clamp(1.7rem, 7vw, 2.4rem); margin-bottom: 14px; max-width: none; }
  .zoom-frame { order: 1; width: min(66vw, 46svh * 0.8, 340px); }
  .zoom-cap { font-size: 1.05rem; }
  .band { min-height: 64svh; }
}
@media (max-width: 899px) { .band h2 { font-size: 11vw; } }
p { max-width: 75ch; }
.site-footer .foot-note { max-width: 80ch; }
.sys-list { grid-column: 4 / -1; }
@media (max-width: 899px) { .sys-list h3 { max-width: none; } }
/* La imagen del hero deja libre la barra de navegación (el asa no cruza los enlaces) */
@media (min-width: 900px) { .hero-media { align-self: end; height: calc(max(100svh, 680px) - 64px); } }
/* Logo */
.wordmark { display: inline-flex; align-items: center; }
.wordmark img { height: 46px; width: auto; display: block; }
.foot-logo { height: 96px; width: auto; margin-bottom: 20px; }
@media (max-width: 899px) { .wordmark img { height: 40px; } .foot-logo { height: 80px; } }

/* Selector de idioma */
.nav a.lang-link { font-weight: 800; font-size: 0.85rem; letter-spacing: 0.04em; padding: 6px 10px; background: var(--graphite-2); color: var(--bone); text-decoration: none; transition: background-color 160ms ease, color 160ms ease; }
.nav a.lang-link::after { display: none; }
@media (hover: hover) and (pointer: fine) { .nav a.lang-link:hover { background: var(--lime); color: var(--coal); } }
@media (max-width: 899px) { .nav a.lang-link { font-size: 1.6rem; padding: 14px 0; background: none; letter-spacing: 0; } }