/* ═══════════════════════════════════════════════════════════
   IASOFTLAB · secciones
   ═══════════════════════════════════════════════════════════ */

.section {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(5rem, 12vw, 9rem) var(--gutter);
}

.section__head { max-width: 46rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.section__num {
  font-family: var(--mono); font-size: .6875rem; letter-spacing: .2em;
  color: var(--acid); margin-bottom: var(--s4);
}
.section__num::after {
  content: ''; display: inline-block; width: 40px; height: 1px;
  background: var(--line); margin-left: var(--s3); vertical-align: middle;
}
.section__title { font-size: clamp(2.25rem, 6vw, 4rem); margin-bottom: var(--s4); }
.section__desc { color: var(--bone-dim); max-width: 40rem; }
.section__head--inline { margin-bottom: var(--s6); }

/* ══════════ HERO ══════════ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(7rem, 14vh, 10rem) var(--gutter) 0;
}

.hero__grid {
  width: 100%; max-width: var(--shell); margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
  flex: 1;
}

.hero__copy { max-width: 34rem; }
.hero__title {
  font-size: clamp(2.75rem, 7.2vw, 5.25rem);
  margin: var(--s5) 0 var(--s5);
}
.hero__lead { color: var(--bone-dim); max-width: 30rem; }

.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin: var(--s6) 0 var(--s7); }

.hero__facts {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--s4); margin: 0;
  border-top: 1px solid var(--line); padding-top: var(--s4);
}
.hero__facts dt {
  font-family: var(--mono); font-size: .625rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); line-height: 1.5;
}
.hero__facts dd {
  margin: var(--s2) 0 0;
  font-family: var(--serif); font-size: 2rem; line-height: 1;
}
.hero__facts small { font-family: var(--sans); font-size: .75rem; color: var(--muted); letter-spacing: 0; }

.hero__stage { position: relative; aspect-ratio: 1 / .92; }
.hero__canvas { width: 100%; height: 100%; }
.hero__stage-hint {
  position: absolute; left: 0; bottom: 0;
  font-family: var(--mono); font-size: .625rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
  transition: opacity .5s var(--ease);
}
.hero__stage-hint.is-hidden { opacity: 0; }

.hero__ticker {
  margin-top: clamp(2rem, 6vh, 4rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden; padding: var(--s3) 0;
  margin-inline: calc(var(--gutter) * -1);
}
.ticker__track {
  display: flex; gap: var(--s6); width: max-content;
  animation: ticker 46s linear infinite;
}
.ticker__track span {
  font-family: var(--mono); font-size: .6875rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
  display: inline-flex; align-items: center; gap: var(--s6);
  white-space: nowrap;
}
.ticker__track span::after { content: '◦'; color: var(--acid-dim); }
@keyframes ticker { to { transform: translateX(-50%); } }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__stage { order: -1; aspect-ratio: 3 / 2; max-height: 34vh; }
  .hero__facts { grid-template-columns: 1fr; gap: var(--s3); }
  .hero__facts div { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s4); }
  .hero__facts dd { font-size: 1.5rem; }
}

/* ══════════ 01 · RUBROS ══════════ */

.dial {
  display: grid; grid-template-columns: minmax(320px, 460px) 1fr;
  gap: clamp(2rem, 6vw, 5rem); align-items: center;
}

.dial__ring { position: relative; aspect-ratio: 1; }

.dial__orbit { position: absolute; inset: 0; }
.dial__orbit svg { width: 100%; height: 100%; }
.dial__orbit circle {
  fill: none; stroke: var(--line); stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.dial__orbit .dashed {
  stroke-dasharray: 2 10; stroke: var(--line-soft);
  transform-origin: 50% 50%;
  animation: spin 90s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.dial__items { position: absolute; inset: 0; }

.dial__item {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%) translate(var(--x, 0), var(--y, 0));
  display: flex; align-items: center; gap: var(--s2);
  padding: var(--s2) var(--s3);
  background: var(--ink-2); border: 1px solid var(--line);
  border-radius: 100px; color: var(--bone-dim);
  font-family: var(--mono); font-size: .625rem;
  letter-spacing: .1em; text-transform: uppercase;
  white-space: nowrap; cursor: pointer;
  transition: color .3s var(--ease), border-color .3s var(--ease),
              background-color .3s var(--ease), box-shadow .3s var(--ease),
              transform .6s var(--ease-out);
}
.dial__item::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--line); flex: none;
  transition: background-color .3s var(--ease);
}
.dial__item:hover { color: var(--bone); border-color: var(--bone-dim); }
.dial__item[aria-selected='true'] {
  color: var(--ink); background: var(--acid); border-color: var(--acid);
  box-shadow: 0 0 0 6px rgba(198, 242, 78, .1);
  z-index: 2;
}
.dial__item[aria-selected='true']::before { background: var(--ink); }

.dial__core {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 42%; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-content: center; text-align: center;
  background: radial-gradient(circle at 50% 50%, rgba(198, 242, 78, .05), transparent 70%);
}
.dial__core-code {
  display: block;
  font-family: var(--serif); font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1; color: var(--acid);
}
.dial__core-label {
  font-family: var(--mono); font-size: .5625rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}

.dial__panel { min-height: 26rem; }
.panel__head { display: flex; align-items: baseline; gap: var(--s3); margin-bottom: var(--s4); }
.panel__code { font-family: var(--mono); font-size: .6875rem; letter-spacing: .16em; color: var(--acid); }
.panel__full { font-family: var(--mono); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.panel__claim { font-size: clamp(1.75rem, 3.4vw, 2.5rem); margin-bottom: var(--s4); }
.panel__body { color: var(--bone-dim); margin-bottom: var(--s6); max-width: 38rem; }

.panel__modules { list-style: none; padding: 0; margin: 0 0 var(--s6); }
.panel__modules li {
  display: grid; grid-template-columns: 1.6rem 1fr;
  gap: var(--s3); padding: var(--s3) 0;
  border-top: 1px solid var(--line-soft);
}
.panel__modules b { font-weight: 500; }
.panel__modules span { color: var(--muted); font-size: .875rem; display: block; }
.panel__modules i {
  font-style: normal; font-family: var(--mono);
  font-size: .625rem; color: var(--acid-dim); padding-top: .3em;
}

.panel__metrics { display: flex; flex-wrap: wrap; gap: var(--s6); margin-bottom: var(--s5); }
.panel__metric b {
  display: block; font-family: var(--serif); font-weight: 400;
  font-size: 2.25rem; line-height: 1; color: var(--bone);
}
.panel__metric b small { font-size: 1rem; color: var(--acid); }
.panel__metric span {
  font-family: var(--mono); font-size: .5625rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted);
  display: block; max-width: 12rem; margin-top: var(--s2); line-height: 1.6;
}

.panel__stack { display: flex; flex-wrap: wrap; gap: var(--s2); }
.tag {
  font-family: var(--mono); font-size: .625rem; letter-spacing: .08em;
  color: var(--muted); border: 1px solid var(--line);
  padding: 2px var(--s3); border-radius: 100px;
}

.panel-anim { animation: panelIn .5s var(--ease-out) both; }
@keyframes panelIn { from { opacity: 0; transform: translateY(14px); } }

.dial__nav {
  display: flex; align-items: center; gap: var(--s4);
  margin-top: var(--s7); justify-content: center;
}

@media (max-width: 1024px) {
  /* minmax(0,...) y min-width:0 son obligatorios: sin eso el riel horizontal de
     chips fija el ancho mínimo de la columna y arrastra al panel fuera de pantalla. */
  .dial { grid-template-columns: minmax(0, 1fr); }
  .dial__ring { aspect-ratio: auto; min-width: 0; }
  .dial__orbit, .dial__core { display: none; }
  .dial__items {
    position: static; display: flex; gap: var(--s2);
    min-width: 0; overflow-x: auto;
    padding-bottom: var(--s3);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    /* el degradado del borde avisa que el riel sigue */
    mask-image: linear-gradient(90deg, #000 88%, transparent 100%);
  }
  .dial__items::-webkit-scrollbar { height: 2px; }
  .dial__items::-webkit-scrollbar-thumb { background: var(--line); }
  .dial__item { position: static; transform: none; scroll-snap-align: start; flex: none; }
  .dial__panel { min-width: 0; min-height: 0; }
  .panel__claim { text-wrap: pretty; }
}

/* ══════════ 02 · LABORATORIO ══════════ */

.lab__grid {
  display: grid;
  grid-template-columns: minmax(240px, 300px) 1fr minmax(200px, 260px);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

.lab__legend { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--s4); }
.lab__hint { font-family: var(--mono); font-size: .625rem; letter-spacing: .08em; color: var(--acid); text-transform: uppercase; }

.chips { display: flex; flex-direction: column; gap: var(--s2); }
.chip {
  position: relative; text-align: left;
  padding: var(--s3) var(--s4) var(--s3) var(--s6);
  background: transparent; border: 1px solid var(--line);
  border-radius: var(--radius); cursor: pointer;
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}
.chip::before {
  content: ''; position: absolute; left: var(--s3); top: 1.15em;
  width: 8px; height: 8px; border: 1px solid var(--bone-dim);
  transition: background-color .25s var(--ease), border-color .25s var(--ease);
}
.chip b { display: block; font-weight: 500; font-size: .875rem; }
.chip span { display: block; font-size: .75rem; color: var(--muted); line-height: 1.5; margin-top: 2px; }
.chip:hover { border-color: var(--bone-dim); }
.chip[aria-pressed='true'] { border-color: var(--acid); background: rgba(198, 242, 78, .05); }
.chip[aria-pressed='true']::before { background: var(--acid); border-color: var(--acid); }
.chip[aria-pressed='true'] b { color: var(--acid); }

.lab__presets { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s3); margin-top: var(--s5); }

.lab__canvas {
  position: relative;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--ink-2); overflow: hidden;
}
.lab__canvas-head {
  display: flex; justify-content: space-between; gap: var(--s4);
  padding: var(--s3) var(--s4); border-bottom: 1px solid var(--line);
}
.lab__stamp { color: var(--acid); }
.arch { width: 100%; height: auto; display: block; }
.lab__empty {
  position: absolute; inset: 3.5rem 0 0;
  display: grid; place-content: center; text-align: center;
  color: var(--muted); font-size: .875rem; line-height: 2;
  background: var(--ink-2);
  transition: opacity .4s var(--ease), visibility .4s;
}
.lab__empty.is-hidden { opacity: 0; visibility: hidden; }

/* nodos del diagrama */
.arch .node-box { fill: var(--ink-3); stroke: var(--line); stroke-width: 1; }
.arch .node-box.is-core { fill: rgba(198, 242, 78, .08); stroke: var(--acid); }
.arch .node-label { fill: var(--bone); font-family: var(--mono); font-size: 9px; letter-spacing: .06em; }
.arch .node-sub   { fill: var(--muted); font-family: var(--mono); font-size: 7px; letter-spacing: .06em; }
.arch .layer-label { fill: var(--muted); font-family: var(--mono); font-size: 7.5px; letter-spacing: .18em; }
.arch .link { fill: none; stroke: var(--line); stroke-width: 1; }
.arch .link.is-live {
  stroke: var(--acid-dim); stroke-dasharray: 3 5;
  animation: flow 1.4s linear infinite;
}
@keyframes flow { to { stroke-dashoffset: -16; } }
.arch .node-in { animation: nodeIn .45s var(--ease-out) both; }
@keyframes nodeIn { from { opacity: 0; transform: translateY(6px); } }

/* ── arquitectura apilada (pantalla angosta) ──────────────── */

.flow { display: none; padding: var(--s5) var(--s4); }
.flow__layer + .flow__arrow { margin: var(--s3) 0; }
.flow__label {
  font-family: var(--mono); font-size: .5625rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted); margin-bottom: var(--s3);
}
.flow__items { display: flex; flex-wrap: wrap; gap: var(--s2); }
.flow__item {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--ink-3); padding: var(--s2) var(--s3);
  font-family: var(--mono); font-size: .6875rem; color: var(--bone);
}
.flow__item--core {
  border-color: var(--acid); background: rgba(198, 242, 78, .07);
  display: flex; align-items: baseline; gap: var(--s2);
}
.flow__item--core i {
  font-style: normal; font-size: .5625rem; color: var(--acid-dim);
}
.flow__arrow {
  display: flex; flex-direction: column; align-items: center;
  gap: 2px; color: var(--acid-dim); font-size: .6875rem;
}
.flow__arrow::before {
  content: ''; width: 1px; height: 18px;
  background: linear-gradient(var(--line), var(--acid-dim));
}

.lab__readout { display: grid; gap: var(--s4); }
.readout { border-top: 1px solid var(--line); padding-top: var(--s3); }
.readout__label { font-family: var(--mono); font-size: .5625rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.readout__value {
  font-family: var(--serif); font-size: 2.5rem; line-height: 1.1;
  margin-top: var(--s1);
}
.readout__value small { font-size: .875rem; font-family: var(--sans); color: var(--muted); }
.readout__note { margin-top: var(--s2); text-transform: none; letter-spacing: .04em; line-height: 1.6; }

.meter { height: 3px; background: var(--ink-4); margin-top: var(--s3); overflow: hidden; }
.meter i {
  display: block; height: 100%; width: 0; background: var(--acid);
  transition: width .6s var(--ease-out), background-color .4s var(--ease);
}
.meter i.is-high { background: var(--signal); }

@media (max-width: 1100px) {
  .lab__grid { grid-template-columns: 1fr 1fr; }
  .lab__canvas { grid-column: 1 / -1; order: 3; }
  .lab__readout { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .lab__grid { grid-template-columns: minmax(0, 1fr); }
  .lab__readout { grid-template-columns: repeat(2, 1fr); }
  .readout--wide { grid-column: 1 / -1; }
  .readout__value { font-size: 2rem; }
  /* a este ancho el SVG renderiza texto de 4px: se cambia por la versión apilada */
  .arch { display: none; }
  .flow { display: block; }
  .lab__file { display: none; }   /* ya no se muestra un .svg, y liberaba espacio al sello */
}

/* ══════════ 03 · PROCESO ══════════ */

.proceso {
  position: relative;
  height: var(--rail-h, auto);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-2);
}
.proceso__sticky {
  position: sticky; top: 0;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--s8) 0 var(--s7);
  overflow: hidden;
}
.proceso .section__head { padding-inline: var(--gutter); max-width: var(--shell); margin-inline: auto; width: 100%; }

.rail { overflow: hidden; }
.rail__track {
  display: flex; gap: var(--s5); list-style: none;
  margin: 0; padding-inline: var(--gutter);
  width: max-content;
  transform: translate3d(var(--rail-x, 0px), 0, 0);
  will-change: transform;
}

.stage {
  width: clamp(260px, 30vw, 380px);
  border-left: 1px solid var(--line);
  padding: var(--s5) var(--s5) var(--s6) var(--s5);
  background: linear-gradient(180deg, rgba(236, 231, 222, .02), transparent 60%);
  transition: border-color .4s var(--ease);
}
.stage:hover { border-left-color: var(--acid); }
.stage__num { font-family: var(--mono); font-size: .6875rem; letter-spacing: .2em; color: var(--acid); }
.stage__title { font-size: 2rem; margin: var(--s4) 0 var(--s3); }
.stage__body { color: var(--bone-dim); font-size: .9375rem; }
.stage__out { margin-top: var(--s4); color: var(--muted); text-transform: none; letter-spacing: .04em; line-height: 1.6; }

.rail__progress {
  max-width: var(--shell); width: 100%; margin: var(--s7) auto 0;
  padding-inline: var(--gutter);
}
.rail__progress i {
  display: block; height: 1px; width: 8%;
  background: var(--acid); transition: width .1s linear;
}

@media (max-width: 900px), (prefers-reduced-motion: reduce) {
  .proceso { height: auto !important; }
  .proceso__sticky { position: static; min-height: 0; padding-bottom: var(--s8); }
  .rail__track {
    width: auto; flex-direction: column;
    transform: none !important;
  }
  .stage { width: auto; }
  .rail__progress { display: none; }
}

/* ══════════ 04 · DEMO ══════════ */

.console {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--ink-2); overflow: hidden;
  max-width: 56rem;
}
.console__bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--s3) var(--s4); border-bottom: 1px solid var(--line);
}
.console__bar b { color: var(--acid); font-weight: 500; }
.console__state { display: inline-flex; align-items: center; gap: var(--s2); }
.console__state::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--acid); animation: pulse 2.4s var(--ease) infinite;
}

.console__log {
  height: clamp(320px, 46vh, 440px);
  overflow-y: auto; padding: var(--s5) var(--s4);
  display: flex; flex-direction: column; gap: var(--s4);
  scrollbar-width: thin; scrollbar-color: var(--ink-4) transparent;
}
.console__log::-webkit-scrollbar { width: 3px; }
.console__log::-webkit-scrollbar-thumb { background: var(--ink-4); }

.msg { max-width: 44ch; animation: msgIn .4s var(--ease-out) both; }
@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } }
.msg__who {
  font-family: var(--mono); font-size: .5625rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted); margin-bottom: var(--s2);
}
.msg__body { font-size: .9375rem; line-height: 1.65; }
.msg--user { margin-left: auto; text-align: right; }
.msg--user .msg__body {
  display: inline-block; text-align: left;
  background: var(--ink-4); padding: var(--s3) var(--s4);
  border-radius: var(--radius-lg);
}
.msg--bot .msg__body { border-left: 1px solid var(--acid); padding-left: var(--s4); }
.msg--typing .msg__body { color: var(--muted); }
.msg--typing .msg__body::after {
  content: '▍'; color: var(--acid); animation: caret 1s steps(2) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

.console__suggestions {
  display: flex; flex-wrap: wrap; gap: var(--s2);
  padding: 0 var(--s4) var(--s3);
}
.suggestion {
  background: transparent; border: 1px solid var(--line);
  border-radius: 100px; padding: var(--s1) var(--s3);
  font-family: var(--mono); font-size: .625rem; letter-spacing: .04em;
  color: var(--bone-dim); cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.suggestion:hover { color: var(--acid); border-color: var(--acid); }

.console__form {
  display: flex; align-items: center; gap: var(--s3);
  border-top: 1px solid var(--line); padding: var(--s3) var(--s4);
}
.console__prompt { color: var(--acid); font-size: .875rem; }
.console__form input {
  flex: 1; background: none; border: 0; outline: none;
  font-family: var(--mono); font-size: .8125rem; padding: var(--s2) 0;
}
.console__form input::placeholder { color: var(--muted); }

/* ══════════ IMPACTO ══════════ */

.impacto {
  border-top: 1px solid var(--line);
  background: var(--ink-2);
  padding: clamp(3rem, 8vw, 5rem) var(--gutter);
  position: relative; z-index: 1;
}
.impacto__grid {
  max-width: var(--shell); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s6);
}
.figure { border-top: 1px solid var(--line); padding-top: var(--s4); }
.figure__value {
  font-family: var(--serif); font-size: clamp(2.75rem, 6vw, 4.5rem);
  line-height: 1; color: var(--acid);
}
.figure__value small { font-size: .35em; color: var(--bone-dim); }
.figure__label { color: var(--muted); font-size: .8125rem; margin-top: var(--s3); line-height: 1.6; }

@media (max-width: 900px) { .impacto__grid { grid-template-columns: repeat(2, 1fr); gap: var(--s5); } }
@media (max-width: 480px) { .impacto__grid { grid-template-columns: 1fr; } }

/* ══════════ 05 · NOSOTROS ══════════ */

.svg-defs { position: absolute; width: 0; height: 0; }

.founders { display: grid; gap: clamp(3rem, 8vw, 6rem); }

.founder {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
}
.founder--rev { grid-template-columns: minmax(0, 1fr) minmax(0, 300px); }
.founder--rev .portrait { order: 2; }

/* ── retrato duotono ── */
.portrait {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 5;          /* el figure fija la proporción; el img la llena */
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}
.portrait::before {
  /* trama fina sobre la imagen: refuerza el aire de serigrafía */
  content: ''; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(8,9,11,.16) 0 1px, transparent 1px 3px);
  mix-blend-mode: multiply; opacity: .5;
}
.portrait img {
  display: block; width: 100%; height: 100%; object-fit: cover;
  filter: url(#isl-duo);
  transition: filter .5s var(--ease), transform .8s var(--ease-out);
}
.portrait img.is-placeholder { filter: none; }
.founder:hover .portrait img { filter: none; transform: scale(1.03); }

.portrait__cap {
  position: absolute; left: 0; bottom: 0; z-index: 3;
  padding: var(--s2) var(--s3);
  background: var(--acid); color: var(--ink);
}
.portrait__cap .mono { color: var(--ink); }
.portrait__corner {
  position: absolute; top: -1px; right: -1px; z-index: 3;
  width: 22px; height: 22px;
  border-top: 1px solid var(--acid); border-right: 1px solid var(--acid);
}

/* ── cuerpo ── */
.founder__eyebrow { color: var(--acid); letter-spacing: .12em; }
.founder__name {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1;
  margin: var(--s3) 0 var(--s4);
}
.founder__name[data-fill] { position: relative; }
.founder__name[data-fill]::after {
  content: '↩ completar'; position: absolute; margin-left: var(--s3);
  font-family: var(--mono); font-size: .5rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--signal);
  border: 1px solid var(--signal); border-radius: 100px;
  padding: 2px 6px; vertical-align: middle; white-space: nowrap;
}
.founder__lead { color: var(--bone); font-size: 1.0625rem; margin-bottom: var(--s4); max-width: 44rem; }
.founder__bio { color: var(--bone-dim); font-size: .9375rem; margin-bottom: var(--s6); max-width: 44rem; }

.creds { display: grid; gap: var(--s5); }
.creds__label {
  color: var(--muted); padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line-soft); margin-bottom: var(--s3);
}
.creds__group ul { list-style: none; margin: 0; padding: 0; }
.creds__group li {
  position: relative; padding-left: var(--s5); margin-bottom: var(--s2);
  color: var(--bone-dim); font-size: .9375rem; line-height: 1.5;
}
.creds__group li::before {
  content: ''; position: absolute; left: 0; top: .6em;
  width: 10px; height: 1px; background: var(--acid-dim);
}
.creds__tags { display: flex; flex-wrap: wrap; gap: var(--s2); }

.creds__more { margin-top: var(--s3); }
.creds__more summary {
  cursor: pointer; list-style: none;
  font-family: var(--mono); font-size: .625rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--bone-dim);
  border: 1px solid var(--line); border-radius: 100px;
  padding: var(--s2) var(--s4); display: inline-flex; align-items: center; gap: var(--s2);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.creds__more summary::-webkit-details-marker { display: none; }
.creds__more summary::after { content: '+'; color: var(--acid); }
.creds__more[open] summary::after { content: '–'; }
.creds__more summary:hover { color: var(--acid); border-color: var(--acid); }
.creds__more ul { margin-top: var(--s3); }

@media (max-width: 820px) {
  .founder, .founder--rev { grid-template-columns: minmax(0, 1fr); }
  .founder--rev .portrait { order: 0; }
  .portrait { aspect-ratio: 3 / 2; max-width: 24rem; }
}

/* ══════════ 06 · CONTACTO ══════════ */

.contacto__grid {
  display: grid; grid-template-columns: 1fr 1.15fr;
  gap: clamp(2rem, 6vw, 5rem); align-items: start;
}
.contacto__list { list-style: none; padding: 0; margin: var(--s6) 0; }
.contacto__list li {
  display: grid; grid-template-columns: 2rem 1fr; gap: var(--s3);
  padding: var(--s3) 0; border-top: 1px solid var(--line-soft);
  color: var(--bone-dim); font-size: .9375rem;
}
.contacto__direct { line-height: 2; text-transform: none; letter-spacing: .06em; color: var(--bone); }

.form {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--s4);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem); background: var(--ink-2);
}
.field { display: flex; flex-direction: column; gap: var(--s2); }
.field--full { grid-column: 1 / -1; }
.field label { font-family: var(--mono); font-size: .625rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea {
  background: var(--ink); border: 1px solid var(--line);
  border-radius: var(--radius); padding: var(--s3);
  font-size: .9375rem; outline: none; resize: vertical;
  transition: border-color .25s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--acid); }
.field.has-error input, .field.has-error textarea { border-color: var(--signal); }
.field__error { color: var(--signal); font-size: .75rem; display: flex; gap: var(--s2); }
.field__error[hidden] { display: none; }   /* el atributo hidden pierde contra la clase */
.field__error::before { content: '✕'; }
.field__help { text-transform: none; letter-spacing: .04em; line-height: 1.5; }

.form__foot {
  grid-column: 1 / -1; display: flex; flex-wrap: wrap;
  align-items: center; gap: var(--s4); margin-top: var(--s2);
}
.form__status { font-family: var(--mono); font-size: .6875rem; letter-spacing: .06em; color: var(--acid); }
.form__status.is-error { color: var(--signal); }

@media (max-width: 900px) {
  .contacto__grid, .form { grid-template-columns: minmax(0, 1fr); }
}

/* ── ajustes finos de pantalla chica ──────────────────────── */

@media (max-width: 720px) {
  /* 9px de mono es legible en un monitor, no en un teléfono */
  .readout__label,
  .panel__metric span,
  .flow__label { font-size: .625rem; }
  .section__title { font-size: clamp(2rem, 8.5vw, 2.75rem); }
  .panel__claim { font-size: clamp(1.5rem, 6.5vw, 2rem); }
  .panel__metrics { gap: var(--s5); }
  .stage__title { font-size: 1.75rem; }
  .console__log { padding: var(--s4) var(--s3); }
  .console__suggestions { padding: 0 var(--s3) var(--s3); }
  .console__form { padding: var(--s3); }
}

@media (pointer: coarse) {
  .dial__item { padding: var(--s3) var(--s4); min-height: 44px; }
  .chip { padding: var(--s4) var(--s4) var(--s4) var(--s6); }
  .chip::before { top: 1.45em; }
  .suggestion { padding: var(--s2) var(--s3); min-height: 38px; }
}