/* ───────────── 01 · Entrada ───────────── */
.hero__intro {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: var(--edge-bottom);
}
.hero__intro .eyebrow { color: var(--ink-2); margin-bottom: clamp(16px, 2.6vh, 28px); }
.hero__title { font-size: clamp(46px, 8.2vw, 172px); }
.hero__line { display: block; }
.hero__sub {
  margin-top: clamp(18px, 3vh, 32px);
  font-size: clamp(16px, 1.45vw, 22px); line-height: 1.35;
  color: var(--ink-2); max-width: 26ch;
}
.hero__words {
  position: absolute; inset: 0; padding: 0 var(--gutter);
  display: grid; place-items: center;
  pointer-events: none;
}
.hero__words span {
  grid-area: 1 / 1; max-width: 100%;
  font-size: clamp(30px, 8.4vw, 190px);
  text-align: center;
}
.scroll-hint {
  position: absolute; right: var(--gutter); bottom: var(--edge-bottom);
  display: flex; align-items: center; gap: 12px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3);
}
.scroll-hint i {
  position: relative; width: 1px; height: 46px; background: var(--line); overflow: hidden;
}
.scroll-hint i::after {
  content: ''; position: absolute; left: 0; top: -40%; width: 1px; height: 40%;
  background: var(--amber); animation: hint 2.2s var(--ease-out) infinite;
}
@keyframes hint { to { top: 110%; } }

/* ───────────── 02 · Filosofía ───────────── */
.phrases { position: absolute; inset: 0 var(--gutter); pointer-events: none; }
.phrase {
  position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-50%);
  font-size: clamp(38px, 7vw, 148px);
  max-width: 15ch;
}
.phrase em { font-style: normal; color: var(--amber); }

/* ───────────── 03 · Ecosistema ───────────── */
.eco__title {
  position: absolute; right: var(--gutter); top: calc(var(--edge-top) - 4px);
  font-size: clamp(22px, 2.6vw, 46px); line-height: .95; text-align: right;
}
.node-logo { height: clamp(18px, 1.6vw, 26px); width: auto; display: block; }
.node-label.node-label--left .node-label__in { transform: translate(-100%, -50%); align-items: flex-end; text-align: right; }
.node-label.node-label--left.is-active .node-label__in { transform: translate(-100%, -50%) translateX(-4px); }
.node-label.node-label--above .node-label__in { transform: translate(-50%, -100%); }
.node-label.node-label--above.is-active .node-label__in { transform: translate(-50%, -100%) translateY(-4px); }
.node-label.node-label--center .node-label__in, .node-label.node-label--center.is-active .node-label__in { transform: translate(-50%, -50%); }
.node-label--link { pointer-events: auto; color: inherit; }
.node-label--link .node-label__in { cursor: pointer; }
.node-go {
  font-style: normal; font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--amber); opacity: 0; transition: opacity .4s;
}
.node-label--link.is-active .node-go, .node-label--link:hover .node-go { opacity: 1; }
.node-label--link:hover .node-label__in { opacity: 1; }

/* Enlace a sigma.codigocreativo.tech */
.go-link {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 22px;
  padding: 11px 18px; border-radius: 999px;
  border: 1px solid rgba(61, 214, 245, .45); color: var(--ink);
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  transition: background-color .3s, color .3s, border-color .3s;
}
.go-link i { font-style: normal; transition: transform .4s var(--ease-out); }
.go-link:hover { background: var(--cyan); border-color: var(--cyan); color: #05070d; }
.go-link:hover i { transform: translate(3px, -3px); }
.eco__labels { position: absolute; inset: 0; pointer-events: none; }
.node-label { position: absolute; left: 0; top: 0; will-change: transform; }
.node-label__in {
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  text-align: center; white-space: nowrap;
  opacity: .45; transition: opacity .5s, transform .6s var(--ease-out);
}
.node-label.is-active .node-label__in { opacity: 1; transform: translateX(-50%) translateY(-4px); }
.node-label small { font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em; color: var(--amber); }
.node-label b { font-weight: 800; font-stretch: 125%; font-size: clamp(13px, 1.3vw, 21px); letter-spacing: .01em; }
.node-label span { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .08em; color: var(--ink-2); text-transform: uppercase; }
.node-label--core b { font-size: clamp(11px, .95vw, 15px); color: var(--ink-2); letter-spacing: .08em; }

/* ───────────── 04 · SIGMA ───────────── */
.sigma__head { position: absolute; left: var(--gutter); top: calc(var(--edge-top) + 28px); }
.sigma__logo img { height: clamp(58px, 8vw, 140px); width: auto; display: block; transition: transform .6s var(--ease-out); }
.sigma__logo a:hover img { transform: translateX(6px); }
.sigma__modules li.is-module {
  display: inline-flex; align-items: center; gap: 8px;
  border-color: rgba(61, 214, 245, .5); color: var(--ink);
}
.sigma__modules li.is-module img { width: 16px; height: 16px; }
.sigma__head p { margin-top: 12px; color: var(--ink-2); font-size: clamp(15px, 1.3vw, 20px); }

.sigma__modules {
  position: absolute; right: var(--gutter); top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
  list-style: none;
}
.sigma__modules li {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em;
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(5, 7, 13, .55); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.sigma__readout {
  position: absolute; right: var(--gutter); bottom: var(--edge-bottom);
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; line-height: 1.9;
  color: var(--cyan); text-align: right;
}
.sigma__phases {
  position: absolute; left: var(--gutter); bottom: var(--edge-bottom);
  display: flex; gap: clamp(12px, 2.6vw, 36px);
  list-style: none;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
}
.sigma__phases li {
  position: relative; padding-top: 14px; min-width: clamp(64px, 9vw, 130px);
  color: var(--ink-3); transition: color .4s;
}
.sigma__phases li::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--line); transition: background .4s;
}
.sigma__phases li.is-done { color: var(--ink-2); }
.sigma__phases li.is-done::before { background: rgba(61, 214, 245, .35); }
.sigma__phases li.is-active { color: var(--ink); }
.sigma__phases li.is-active::before { background: var(--cyan); }

/* Tarjetas ancladas a un punto 3D (proyectadas en main.js) */
.anchor-tip { position: absolute; left: 0; top: 0; pointer-events: none; will-change: transform; }
.anchor-tip__in {
  transform: translate(-50%, calc(-100% - 22px));
  display: flex; align-items: center; gap: 10px; white-space: nowrap;
  padding: 10px 14px; border-radius: 10px;
  border: 1px solid rgba(247, 169, 40, .55);
  background: rgba(5, 7, 13, .78); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
}
.anchor-tip__in i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--amber);
  box-shadow: 0 0 0 0 rgba(247, 169, 40, .6); animation: ping 1.6s infinite;
}
@keyframes ping { to { box-shadow: 0 0 0 10px rgba(247, 169, 40, 0); } }

/* ───────────── 05 · SIGMA AI ───────────── */
.ai__logo {
  position: absolute; left: var(--gutter); top: calc(var(--edge-top) + 26px);
  height: clamp(28px, 3vw, 46px); width: auto;
}
.ai__steps {
  position: absolute; top: calc(var(--edge-top) + 54px + clamp(28px, 3vw, 46px)); left: var(--gutter); right: var(--gutter);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(10px, 2vw, 28px);
  list-style: none;
}
.ai__steps li {
  display: flex; gap: 10px; align-items: baseline;
  padding-top: 12px; border-top: 1px solid var(--line);
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em;
  color: var(--ink-3); transition: color .4s, border-color .4s;
}
.ai__steps li small { font-size: 10px; opacity: .7; }
.ai__steps li.is-done { color: var(--ink-2); border-color: rgba(61, 214, 245, .35); }
.ai__steps li.is-active { color: var(--ink); border-color: var(--cyan); }

.ai__stream {
  position: absolute; left: var(--gutter); bottom: var(--edge-bottom);
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; line-height: 1.85;
  color: var(--cyan); white-space: pre;
}
.ai__prediction { position: absolute; inset: 0; pointer-events: none; }
.stat { display: flex; flex-direction: column; gap: 10px; }
.stat--main {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  align-items: center; text-align: center;
}
.stat--side {
  position: absolute; right: var(--gutter); bottom: var(--edge-bottom);
  align-items: flex-end; text-align: right;
}
.stat__value { display: flex; align-items: baseline; gap: .08em; line-height: .85; }
.stat--main .stat__value { font-size: clamp(64px, 9vw, 160px); }
.stat--side .stat__value { font-size: clamp(40px, 4.6vw, 84px); }
.stat__unit { font-size: .42em; color: var(--amber); }
.stat__label { font-family: var(--f-mono); font-size: 11px; letter-spacing: .16em; color: var(--ink-2); }
.ai__final {
  position: absolute; left: var(--gutter); right: var(--gutter); top: 50%; transform: translateY(-50%);
  text-align: center; font-size: clamp(40px, 7.4vw, 150px);
}

/* ───────────── 06 · Laboratorio (claro) ───────────── */
.sec--light .stage { background: var(--paper); color: var(--paper-ink); }
.sec--light .sec__tag { color: var(--paper-ink-2); }
.lab__words h2 {
  position: absolute; left: var(--gutter); right: var(--gutter); top: 50%; transform: translateY(-50%);
  text-align: center; font-size: clamp(22px, 6.6vw, 150px);
}
.lab__field { position: absolute; inset: 0; }
.chip { position: absolute; left: var(--x); top: var(--y); }
@media (max-width: 600px) { .chip { left: var(--xm, var(--x)); } }
.chip__in {
  display: inline-block; white-space: nowrap;
  font-family: var(--f-mono); font-size: clamp(11px, 1vw, 14px); letter-spacing: .14em;
  padding: clamp(9px, 1vw, 13px) clamp(14px, 1.6vw, 22px);
  border: 1px solid var(--paper-ink); border-radius: 999px;
  background: var(--paper);
  transition: background-color .25s, color .25s, border-color .25s;
  will-change: transform;
}
.chip__in:hover { background: var(--paper-ink); color: var(--paper); }
.chip--accent .chip__in { background: var(--amber); border-color: var(--amber); }
.chip--accent .chip__in:hover { background: var(--paper-ink); border-color: var(--paper-ink); }

/* ───────────── 07 · Proyectos ───────────── */
.sec--showcase .stage { display: flex; align-items: center; }
.track {
  display: flex; gap: clamp(28px, 5vw, 80px);
  padding: 0 var(--gutter);
  width: max-content; will-change: transform;
}
.panel {
  width: min(84vw, 1240px);
  display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(24px, 4vw, 72px); align-items: center;
  padding-top: 28px; border-top: 1px solid var(--line);
}
.panel__num {
  display: block; font-weight: 800; font-stretch: 125%; line-height: .85;
  font-size: clamp(60px, 9vw, 170px);
  color: transparent; -webkit-text-stroke: 1px var(--ink-3);
}
.panel__title { margin-top: 18px; font-size: clamp(32px, 4.2vw, 80px); }
.panel__title--logo img { height: clamp(40px, 4.4vw, 80px); width: auto; max-width: 100%; display: block; }
.panel__num small { font-size: .42em; margin-left: .08em; -webkit-text-stroke: 1px var(--cyan); }
.panel__eyebrow {
  display: block; margin-top: 16px;
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan);
}
.panel__eyebrow + .panel__title { margin-top: 10px; }
.panel__line { margin-top: 18px; max-width: 34ch; color: var(--ink-2); font-size: clamp(15px, 1.2vw, 19px); line-height: 1.45; }
.panel__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; list-style: none; }
.panel__tags li {
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .12em;
  padding: 6px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-2);
}
.panel__visual {
  position: relative; overflow: hidden;
  aspect-ratio: 4 / 3; width: 100%;
  padding: clamp(14px, 1.6vw, 22px);
  border: 1px solid var(--line); border-radius: 18px;
  background: rgba(11, 17, 30, .74);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; flex-direction: column; gap: 14px;
}
.vhead {
  display: flex; justify-content: space-between; gap: 12px;
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; color: var(--ink-3);
}
.is-amber { color: var(--amber); fill: var(--amber); }
.is-cyan { color: var(--cyan); }

/* Spots en video (SIGMA AI / SIGMA TWIN) */
.panel__visual--video {
  padding: 0; aspect-ratio: 16 / 9; background: #000;
  width: min(100%, calc(58vh * 16 / 9)); justify-self: center;
}
/* Pantallas bajas y apaisadas (notebooks pequeños, móvil girado): tarjeta en dos columnas compactas */
@media (max-height: 560px) and (orientation: landscape) {
  .panel { grid-template-columns: 1fr 1.3fr; gap: 24px; padding-top: 14px; }
  .panel__num { font-size: 40px; }
  .panel__line, .panel__tags { display: none; }
  .panel__title--logo img { height: 34px; }
  .go-link { margin-top: 12px; }
  .panel__visual--video { width: min(100%, calc(62vh * 16 / 9)); }
}
.spot { width: 100%; height: 100%; object-fit: cover; display: block; }
.spot__sound {
  position: absolute; left: 14px; bottom: 14px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 14px 9px 12px; border-radius: 999px;
  background: rgba(5, 7, 13, .72); border: 1px solid var(--line);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  transition: background-color .3s, color .3s, border-color .3s;
}
.spot__sound:hover { border-color: var(--cyan); }
.spot__sound i { position: relative; width: 14px; height: 12px; }
.spot__sound i::before, .spot__sound i::after {
  content: ''; position: absolute; bottom: 0; width: 3px; border-radius: 2px; background: currentColor;
}
.spot__sound i::before { left: 2px; height: 6px; }
.spot__sound i::after { left: 8px; height: 10px; }
.spot__sound[aria-pressed="true"] { background: var(--cyan); color: #05070d; border-color: var(--cyan); }
.spot__sound[aria-pressed="true"] i::before { animation: eq .7s ease-in-out infinite alternate; }
.spot__sound[aria-pressed="true"] i::after { animation: eq .55s ease-in-out infinite alternate-reverse; }
@keyframes eq { from { height: 3px; } to { height: 12px; } }
.spot__off { display: none; }
.spot__sound[aria-pressed="true"] .spot__on { display: none; }
.spot__sound[aria-pressed="true"] .spot__off { display: inline; }

.vgrid { flex: 1; display: grid; grid-template-columns: repeat(8, 1fr); gap: clamp(5px, .7vw, 9px); align-content: center; }
.vgrid i {
  position: relative; aspect-ratio: 1; border-radius: 6px;
  background: rgba(61, 214, 245, .06); border: 1px solid rgba(61, 214, 245, .18);
}
.vgrid i::after {
  content: ''; position: absolute; right: 18%; top: 18%; width: 4px; height: 4px; border-radius: 50%;
  background: rgba(61, 214, 245, .7);
}
.vgrid i.warn { border-color: rgba(247, 169, 40, .45); }
.vgrid i.warn::after { background: var(--amber); }
.vgrid i.crit { background: rgba(247, 169, 40, .2); border-color: var(--amber); animation: crit 1.6s infinite; }
.vgrid i.crit::after { background: var(--amber); }
@keyframes crit { 50% { background: rgba(247, 169, 40, .05); } }

.vchart, .viso { flex: 1; width: 100%; height: auto; min-height: 0; }
.vchart__grid path { stroke: var(--line); fill: none; }
.vchart__limit { stroke: rgba(247, 169, 40, .6); stroke-dasharray: 4 6; fill: none; }
.vchart__window { fill: rgba(247, 169, 40, .1); }
.vchart__today { stroke: var(--ink-3); stroke-dasharray: 2 4; }
.vchart__hist { stroke: var(--ink-2); stroke-width: 2; fill: none; }
.vchart__pred { stroke: var(--amber); stroke-width: 2.4; stroke-dasharray: 7 6; fill: none; }
.vchart__dot { fill: var(--amber); }
.vchart__txt { font-family: var(--f-mono); font-size: 10px; letter-spacing: .12em; fill: var(--ink-3); }
.viso polygon { stroke: rgba(61, 214, 245, .75); stroke-width: 1; stroke-linejoin: round; }
.viso .floor { stroke: rgba(242, 244, 248, .08); fill: none; }
.viso .hot polygon { stroke: var(--amber); }

.vcode {
  flex: 1; margin: 0; overflow: hidden;
  font-family: var(--f-mono); font-size: clamp(11px, 1.05vw, 15px); line-height: 1.8;
  color: var(--ink);
}
.vcode .k { color: var(--cyan); }
.vcode .f { color: var(--amber); }
.vcode .s { color: #9FE3A8; }
.vcode .b { color: #C7A6FF; }
.vcode .c { color: var(--ink-3); }

.track__progress {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: var(--edge-bottom);
  height: 1px; background: var(--line);
}
.track__progress i { position: absolute; inset: 0; background: var(--amber); transform-origin: left; transform: scaleX(0); }

/* ───────────── 08 · Transición ───────────── */
.trans__cap {
  position: absolute; left: 0; right: 0; top: 64%;
  text-align: center; font-family: var(--f-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-2);
}
.trans__q {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: calc(var(--edge-bottom) + 10px);
  text-align: center; font-size: clamp(24px, 3.8vw, 64px); line-height: .98;
}

/* ───────────── 09 · CTA ───────────── */
.sec--cta {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: grid; place-items: center; text-align: center;
  padding: 120px var(--gutter) 60px;
}
.cta__inner { min-width: 0; max-width: 100%; }
.cta__title { font-size: clamp(42px, 8vw, 164px); }
.cta__sub { margin-top: 26px; color: var(--ink-2); font-size: clamp(17px, 1.6vw, 23px); line-height: 1.4; }
.magnet-zone { display: inline-block; padding: clamp(28px, 5vw, 64px); }
.magnet {
  display: inline-flex; align-items: center; gap: 18px;
  padding: clamp(20px, 2.4vw, 32px) clamp(30px, 4.2vw, 62px);
  border-radius: 999px; background: var(--amber); color: #0b0b0b;
  font-weight: 800; font-stretch: 125%; font-size: clamp(15px, 1.6vw, 24px); letter-spacing: .02em;
  will-change: transform;
}
.magnet__label { display: inline-block; }
.magnet__arrow { display: inline-block; transition: transform .5s var(--ease-out); }
.magnet:hover .magnet__arrow { transform: translateX(8px); }

.foot {
  position: relative; z-index: 1;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px;
  padding: 26px var(--gutter) 30px; border-top: 1px solid var(--line);
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3);
  background: var(--bg);
}
.foot__brand { display: flex; align-items: center; gap: 10px; color: var(--ink-2); }
.foot__brand svg { width: 22px; height: 22px; color: var(--amber); }
.foot__top:hover { color: var(--ink); }

/* ───────────── Responsive ───────────── */
@media (max-width: 820px) {
  .sigma__modules {
    top: auto; bottom: calc(var(--edge-bottom) + 64px); right: auto; left: var(--gutter);
    transform: none; flex-direction: row; flex-wrap: wrap; align-items: flex-start; max-width: 92vw;
  }
  .sigma__modules li { padding: 6px 10px; font-size: 10px; }
  .sigma__readout { display: none; }
  .sigma__phases li { min-width: 0; flex: 1; font-size: 10px; letter-spacing: .08em; }
  .sigma__phases { right: var(--gutter); }

  .ai__steps li { flex-direction: column; gap: 2px; font-size: 10px; letter-spacing: .08em; }
  .ai__stream { font-size: 10px; bottom: calc(var(--edge-bottom) + 10px); }
  .stat--side { bottom: var(--edge-bottom); }

  .panel { width: calc(100vw - 2 * var(--gutter)); grid-template-columns: 1fr; gap: 22px; }
  .panel__num { font-size: 54px; }
  .panel__title { margin-top: 10px; }
  .panel__line { margin-top: 10px; }
  .panel__tags { margin-top: 14px; }
  .panel__visual { aspect-ratio: 16 / 11; }
  .track { gap: calc(2 * var(--gutter)); }
}