/* B / reglas compartidas. La paleta y las fuentes provienen de la marca. */
:root {
  --space:clamp(20px,4.5vw,72px);
  --measure:68ch;
  --section-space:clamp(52px,7vw,100px);
  --gap:clamp(24px,4vw,64px);
  --control-size:48px;
  --border-control:var(--secondary);
  --focus-color:var(--active);
  --disabled-ink:var(--secondary);
}
body {font-size:18px;line-height:1.6}
.wrap {max-width:1440px}
h1,h2,h3 {text-wrap:balance}
p {text-wrap:pretty}
h1 {font-size:clamp(42px,5.1vw,74px);line-height:1.07;letter-spacing:-.035em}
h2 {font-size:clamp(32px,3.5vw,50px);line-height:1.12;max-width:24ch;letter-spacing:-.025em}
h3 {font-size:clamp(21px,2vw,26px);line-height:1.25}
button,a,input,textarea,select,summary {scroll-margin-block:28px}
:focus-visible {outline:2px solid var(--focus-color);outline-offset:5px}
.site-header {padding-block:24px;gap:32px;align-items:center}
.brand-original,.brand-footer {display:inline-flex;flex-direction:column;align-items:center;gap:.7rem;flex-shrink:0;color:var(--ink);text-decoration:none}
.brand-original svg,.brand-footer svg {display:block;width:2.45rem;height:2.45rem;fill:currentColor}
.brand-original-word {font-family:JetBrains,monospace;font-size:.74rem;letter-spacing:.2em;color:var(--secondary);writing-mode:vertical-rl;transform:rotate(180deg)}
nav {align-items:center;justify-content:flex-end;gap:clamp(16px,2vw,32px)}
nav a {font-size:14px;text-underline-offset:6px}
nav a:hover {text-decoration:underline}
.theme-switch {min-height:44px;background:none;border:1px solid var(--line);padding:8px 12px;font-size:13px;color:var(--ink)}
.theme-switch:hover {border-color:var(--secondary)}

/* Apertura: mensaje a la izquierda, pieza geométrica a la derecha. */
.hero-b {display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,1fr);grid-template-rows:auto 1fr;align-items:start;gap:0 clamp(32px,4vw,60px);padding-block:clamp(40px,4.5vw,64px) var(--section-space)}
.hero-b h1 {grid-column:1;grid-row:1;margin:8px 0 30px;font-size:clamp(46px,4.25vw,62px);font-weight:450;line-height:1.09;letter-spacing:-.042em;max-width:none;text-wrap:initial}
.hero-title-line {display:block}
.hero-b .hero-bottom {grid-column:1;grid-row:2;display:flex;flex-direction:column;gap:24px}
.hero-b .hero-bottom>div {order:1;min-width:0}
.hero-b .hero-bottom>.marginal {order:2;margin:0;font-size:13px}
.hero-b .lead {font-size:clamp(19px,1.5vw,21px);line-height:1.6;max-width:44ch;margin-bottom:26px;color:var(--ink)}
.hero-b .service-bridge {font-size:15px;line-height:1.6;max-width:100%;margin-bottom:0}
.hero-b .actions {gap:12px 22px;margin-top:26px}
.hero-b>.review-note {grid-column:1/-1;grid-row:3}
.klein-figure {grid-column:2;grid-row:1/3;align-self:start;margin:0;min-width:0;padding:clamp(16px,2.1vw,30px);border:1px solid var(--line);background:var(--surface)}
.klein-figure img {display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain}
.klein-caption {display:flex;justify-content:flex-end;margin-top:8px}
.klein-caption button {min-height:44px;padding:8px 12px;background:none;border:1px solid var(--border-control);font-size:13px;color:var(--ink)}

/* Ritmo y contenido: títulos claros, límites de lectura, sin rótulos decorativos. */
.section {padding-block:var(--section-space)}
.section-heading {display:block;margin-bottom:36px}
.section-heading h2 {margin-bottom:24px}
.section-heading p {max-width:var(--measure)}
.solution-grid {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.solution-grid>div {padding:32px clamp(20px,2.5vw,36px)}
.solution-grid>div:first-child {padding-left:0}
.solution-grid>div+div {border-left:1px solid var(--line)}
.solution-grid h3 {font-size:clamp(22px,2vw,28px);line-height:1.2;letter-spacing:-.025em;margin:0 0 16px}
.solution-grid p {margin:0;max-width:36ch}
.solution-grid>div {display:flex;flex-direction:column}
.solution-grid .outcome-metrics {margin-top:auto;padding-top:26px;font-size:14px;line-height:1.6;color:var(--secondary)}
.outcome-metrics span {display:block;margin-bottom:5px;font-size:12px}
.outcome-note {margin:20px 0 0;font-size:15px;color:var(--secondary);max-width:68ch}
@media(max-width:960px) {
  .solution-grid {grid-template-columns:1fr}
  .solution-grid>div {padding:24px 0}
  .solution-grid>div+div {border-left:0;border-top:1px solid var(--line)}
  .solution-grid p {max-width:60ch}
}
.before-after {border:1px solid var(--line)}
.before-after>div {padding:clamp(24px,3vw,40px)}
.before-after h3 {max-width:24ch;margin-bottom:18px}
.before-after .eyebrow {font-size:11px;margin-bottom:18px}
.example-caption {font-size:13px;margin-top:16px}
.method-list {border-bottom:1px solid var(--line)}
.method-list li {grid-template-columns:32px minmax(120px,.65fr) minmax(0,1.6fr) minmax(145px,.65fr);gap:24px;padding-block:28px;align-items:start}
.method-list .number {padding-top:5px;color:var(--secondary)}
.method-list h3 {font-size:23px}
.method-list p {font-size:17px}
.method-list .output {font-size:13px;line-height:1.6}
.evidence-list summary {font-size:clamp(18px,2vw,23px);padding-block:24px;gap:20px;line-height:1.4}
.evidence-list summary:hover {color:var(--active)}
.evidence-list summary:after {margin-left:auto}
.evidence-list details[open] summary {color:var(--active)}
.detail-body {max-width:850px;padding:0 0 28px 44px;font-size:17px}
.capability {grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:var(--gap);padding-block:28px}
.capability h3 {max-width:22ch;margin-bottom:0}
.capability p {font-size:17px}
.section-foot {font-size:15px;margin-top:28px}
.lab {background:var(--surface);padding-inline:clamp(24px,4vw,56px)}
.lab h2 {max-width:28ch}
.lab-copy {display:block;max-width:760px;padding-top:0}
.lab-copy>p:first-child {font-size:clamp(20px,2vw,24px);margin-bottom:0}
.closing p {max-width:58ch}
.footer {gap:24px;padding-block:32px;font-size:12px}
.footer .notes-toggle {border:0;padding-inline:0;font-size:12px;text-decoration:underline;text-underline-offset:5px}
.review-note {max-width:100%;font-size:14px}

/* Componentes: iguales en portada, contacto y panel, en ambos temas. */
.button {min-height:var(--control-size);padding:12px 18px;font-size:16px;line-height:1.45;gap:16px;border-color:var(--border-control);justify-content:center;text-align:left}
.button:hover {background:var(--surface);border-color:var(--ink);color:var(--ink)}
.button.primary:hover {background:var(--active);color:var(--paper);border-color:var(--active)}
.button:active,.theme-switch:active,.klein-caption button:active {outline:1px solid var(--ink);outline-offset:-4px}
.text-link {font-size:15px;line-height:1.45;min-height:44px}
button:disabled,button:disabled:hover {opacity:1;color:var(--disabled-ink);background:var(--surface);border-color:var(--line);cursor:not-allowed}
input[type=text],input[type=email],textarea,select {min-width:0;font-size:16px;line-height:1.5;border:1px solid var(--border-control);border-radius:0;padding:14px 16px;background:var(--paper);color:var(--ink)}
input[type=text],input[type=email],select {min-height:var(--control-size);margin-bottom:28px}
textarea {min-height:128px}
input:hover,textarea:hover,select:hover {border-color:var(--ink)}
input:focus-visible,textarea:focus-visible,select:focus-visible {outline:2px solid var(--focus-color);outline-offset:3px}
input[aria-invalid=true],textarea[aria-invalid=true],select[aria-invalid=true] {border:2px solid var(--ink);padding:13px 15px}
input:disabled,textarea:disabled,select:disabled {background:var(--surface);color:var(--disabled-ink);border-color:var(--line);cursor:not-allowed}
.field-error {border:1px solid var(--ink);border-left-width:3px;padding:14px 16px;font-size:15px;background:var(--surface)}
.field-hint {font-size:13px;margin-top:10px;margin-bottom:30px;max-width:60ch}
.sandbox-banner {font-size:14px;line-height:1.6;padding:16px 20px}
.contact-main {padding-block:clamp(40px,5vw,72px) var(--section-space)}
.contact-main>.section-heading {max-width:850px;margin-bottom:32px}
.contact-main h1 {font-size:clamp(42px,5.1vw,68px);margin-bottom:24px}
.contact-main .lead {font-size:clamp(20px,2vw,24px);max-width:52ch}
.contact-expectation {font-size:16px;max-width:75ch;margin-top:24px}
.contact-layout {grid-template-columns:minmax(0,.65fr) minmax(0,1.35fr);gap:var(--gap);margin-top:40px;align-items:start}
.contact-context {max-width:320px;font-size:16px}
.contact-context .eyebrow {margin-bottom:20px}
.contact-layout>section {min-width:0;border:1px solid var(--line);padding:clamp(24px,3vw,40px);background:var(--surface)}
.contact-layout legend {font-size:22px;margin-bottom:28px}
.contact-layout legend.marginal {font-size:14px}
.contact-layout label {font-size:17px;margin-bottom:10px}
.contact-layout h2 {font-size:clamp(28px,3vw,38px);margin-bottom:24px}
.contact-layout .actions {gap:14px 24px;margin-top:26px}
.summary-list>div {margin-top:0;padding-block:16px;border-top:1px solid var(--line)}
.summary-list dt {font-size:13px;margin-bottom:8px}
.summary-list dd {font-size:16px;overflow-wrap:anywhere}
.panel-section h2 {font-size:clamp(28px,3vw,42px)}
.panel-section .capability {grid-template-columns:1fr 1.5fr}
[role=status] {font-size:14px;margin-top:22px}

@media(max-width:1080px) {
  .hero-b {gap:0 32px}
  .method-list li {grid-template-columns:28px minmax(120px,.7fr) minmax(0,1.7fr)}
  .method-list .output {grid-column:3}
}
@media(max-width:960px) {
  .site-header {align-items:flex-start;gap:24px}
  nav {gap:8px 20px}
  .hero-b {display:flex;flex-direction:column;align-items:stretch;gap:0}
  .hero-b h1 {order:1;font-size:clamp(44px,6.4vw,62px);max-width:none;margin-top:0}
  .hero-b .hero-bottom {order:2;min-width:0;width:100%}
  .hero-b .lead {max-width:44ch}
  .hero-b .klein-figure {order:3;align-self:stretch;max-width:none;margin-top:32px}
  .klein-figure img {max-height:520px}
  .hero-b>.review-note {order:4}
  .contact-layout {grid-template-columns:1fr;gap:28px}
  .contact-context {max-width:600px}
  .contact-context .button {margin-top:0}
  .contact-layout>section {max-width:780px}
}
@media(max-width:560px) {
  body {font-size:17px}
  .site-header {flex-direction:row;padding-block:20px;gap:20px}
  nav {justify-content:flex-start;gap:4px 16px;flex:1}
  nav a {font-size:13px;min-height:44px}
  nav .theme-switch {font-size:12px}
  h1 br,h2 br {display:none}
  .hero-b h1 {font-size:clamp(36px,10vw,44px);line-height:1.12;letter-spacing:-.035em;margin-bottom:26px;text-wrap:balance}
  .hero-title-line {display:inline}
  .hero-b .lead {font-size:18.5px;line-height:1.6}
  .actions {align-items:stretch;gap:14px;margin-top:24px}
  .actions .button {width:100%}
  .actions .text-link {align-self:flex-start}
  .klein-figure {padding:16px}
  .klein-caption button {font-size:12px}
  .before-after {grid-template-columns:1fr}
  .before-after>div+div {border-left:0;border-top:1px solid var(--line)}
  .method-list li {grid-template-columns:24px minmax(0,1fr);gap:12px 16px;padding-block:24px}
  .method-list h3,.method-list p,.method-list .output {grid-column:2}
  .method-list h3 {margin-bottom:0}
  .detail-body {padding-left:0}
  .evidence-list summary {gap:12px;flex-wrap:nowrap}
  .evidence-list summary .number {flex:0 0 16px}
  .evidence-list summary:after {flex:0 0 18px}
  .capability,.panel-section .capability {grid-template-columns:1fr;gap:16px}
  .lab {padding-inline:24px}
  .contact-layout>section {padding:20px 16px}
  .contact-main h1 {font-size:42px}
  .contact-layout>.section-heading {margin-bottom:24px}
  .contact-layout .button {max-width:100%;white-space:normal}
  .footer {align-items:flex-start;gap:18px}
}
@media(prefers-reduced-motion:reduce) {html {scroll-behavior:auto}*,*::before,*::after {animation:none!important;transition:none!important}}
@media(forced-colors:active) {.button,.theme-switch,.klein-caption button,input,textarea,select {border-color:ButtonText}:focus-visible {outline-color:Highlight}button:disabled {color:GrayText}}