/* Sitio público de Relevant (relevantchem.com). Lo enlaza la página que arma lib/sitio/pagina.ts.
   Es una hoja propia, aparte de app/globals.css: el sitio no usa el marco ni los tokens de la aplicación.
   Los cuatro colores de marca de :root son los de lib/marca/catalogo.ts (test/sitio.test.mjs lo verifica);
   todo lo demás sale de los tokens de este bloque. La página se sirve con una CSP sin estilos en línea:
   nada de style="…" en el HTML; lo que cambia con el tiempo lo fija sitio.js por CSSOM. */
@font-face{font-family:"Pretendard";src:url("fonts/Pretendard-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Pretendard";src:url("fonts/Pretendard-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Pretendard";src:url("fonts/Pretendard-ExtraBold.woff2") format("woff2");font-weight:800;font-display:swap}

/* Layout: un hero cinematográfico oscuro (las fotos en duotono del manual), luego bandas claras y una banda navy;
   todo alineado a la izquierda en una retícula de 12 columnas con medida de lectura de ~62 caracteres. */
:root{
  --morado:#773DBD; --lima:#B9D641; --navy:#0E1130; --gris:#CCCCCC; --blanco:#FFFFFD;
  --bg:#FFFFFD; --bg-2:#F3F1F8; --card:#FFFFFF; --fg:#0E1130; --fg-2:#4B4D68; --line:#DEDAEA;
  --accent:#773DBD; --accent-ink:#FFFFFF; --accent-soft:#EFE7FA;
  --band:#0E1130; --band-2:#161A45; --band-fg:#F4F2FA; --band-mute:#A6A7C6;
  --focus:#773DBD; --err:#B3261E; --shadow:0 18px 40px -24px rgba(14,17,48,.35);
  --font-ui:"Pretendard",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-data:ui-monospace,"SF Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --step-0:1rem; --step-1:1.125rem; --step-2:1.4rem; --step-3:clamp(1.6rem,1.2rem + 1.6vw,2.4rem); --step-4:clamp(2.2rem,1.5rem + 3.2vw,4.25rem);
  --wrap:1240px; --gut:max(16px,env(safe-area-inset-left,0px)); --gut-r:max(16px,env(safe-area-inset-right,0px));
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0A0C22; --bg-2:#10132F; --card:#14183A; --fg:#EEEDF6; --fg-2:#A9AAC6; --line:#262A52;
  --accent:#A47BE2; --accent-ink:#0E1130; --accent-soft:#221B46;
  --band:#060818; --band-2:#0F1232; --band-fg:#F4F2FA; --band-mute:#9FA0BE;
  --focus:#B9D641; --err:#FF8A80; --shadow:0 18px 40px -24px rgba(0,0,0,.7);
  color-scheme:dark}}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--bg);color:var(--fg);font-family:var(--font-ui);font-size:var(--step-0);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{font-weight:800;line-height:1.08;letter-spacing:-.025em;text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-left:var(--gut);padding-right:var(--gut-r)}
.eyebrow{font-family:var(--font-data);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:500}
.lead{font-size:var(--step-1);color:var(--fg-2);max-width:62ch}
.sec{padding-block:clamp(64px,9vw,120px)}
.sec-head{display:grid;gap:16px;margin-bottom:clamp(32px,5vw,56px);max-width:760px}
.sec-head h2{font-size:var(--step-3)}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font:600 1rem/1 var(--font-ui);padding:15px 22px;border-radius:999px;border:1px solid transparent;text-decoration:none;cursor:pointer;transition:transform .2s ease,background-color .2s ease,border-color .2s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn svg{width:18px;height:18px;flex:none}
.btn-lima{background:var(--lima);color:var(--navy)}
.btn-lima:hover{background:#C6E25A}
.btn-ghost{color:#FFFFFD;border-color:rgba(255,255,253,.45)}
.btn-ghost:hover{border-color:#FFFFFD;background:rgba(255,255,253,.08)}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-line{border-color:var(--line);color:var(--fg);background:transparent}
.btn-line:hover{border-color:var(--accent)}

/* ---------- Cabecera ---------- */
.hdr{position:fixed;inset:0 0 auto;z-index:40;padding-top:env(safe-area-inset-top,0px);transition:background-color .3s ease,box-shadow .3s ease;--h-ink:#FFFFFD}
.hdr[data-over="page"]{background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);box-shadow:0 1px 0 var(--line);--h-ink:var(--fg)}
.hdr .wrap{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;flex:none}
.nav{display:flex;gap:4px;margin-left:12px}
.nav a{color:var(--h-ink);text-decoration:none;font-weight:600;font-size:.95rem;padding:8px 12px;border-radius:8px;opacity:.88}
.nav a:hover{opacity:1;background:color-mix(in srgb,var(--h-ink) 10%,transparent)}
.hdr-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.lang{display:flex;border:1px solid color-mix(in srgb,var(--h-ink) 35%,transparent);border-radius:999px;padding:3px}
.lang a{display:inline-block;text-decoration:none;font:600 .78rem/1 var(--font-data);letter-spacing:.06em;color:var(--h-ink);background:none;border:0;padding:13px 12px;border-radius:999px;cursor:pointer}
.lang a[aria-current="true"]{background:var(--h-ink);color:var(--navy)}
.hdr[data-over="page"] .lang a[aria-current="true"],.hdr[data-open="true"] .lang a[aria-current="true"]{color:var(--bg)}
.portal{color:var(--h-ink);font-size:.9rem;font-weight:600;text-decoration:none;opacity:.8;padding:8px 6px}
.portal:hover{opacity:1;text-decoration:underline}
.hdr .btn{padding:12px 18px;font-size:.92rem}
.menu-btn{display:none;background:none;border:1px solid color-mix(in srgb,var(--h-ink) 35%,transparent);color:var(--h-ink);border-radius:10px;width:44px;height:44px;cursor:pointer;align-items:center;justify-content:center}
.menu-btn svg{width:20px;height:20px}
.mnav{display:none}
@media (max-width:1060px){.portal{display:none}}
@media (max-width:920px){
  .nav,.hdr .btn{display:none}
  .menu-btn{display:inline-flex}
  .mnav{position:absolute;inset:100% 0 auto;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:8px var(--gut-r) 20px var(--gut)}
  .mnav:not([hidden]){display:grid;gap:2px}
  .mnav a{color:var(--fg);text-decoration:none;font-weight:600;padding:14px 4px;border-bottom:1px solid var(--line)}
  .mnav .btn{margin-top:14px;justify-content:center;display:flex}
  .mnav .btn-accent{color:var(--accent-ink);border-bottom:0}
  .hdr[data-open="true"]{background:var(--bg);--h-ink:var(--fg)}
}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;background:var(--navy);color:#FFFFFD;overflow:hidden;min-height:min(92vh,880px);display:flex;flex-direction:column}
.scenes{position:absolute;inset:0;z-index:-3}
.scene{position:absolute;inset:-2%;background-size:cover;background-position:center;opacity:0;transition:opacity 1.4s ease;will-change:transform,opacity}
.scene.on{opacity:1}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:
  linear-gradient(90deg,rgba(14,17,48,.94) 0%,rgba(14,17,48,.78) 34%,rgba(14,17,48,.25) 70%,rgba(14,17,48,.15) 100%),
  linear-gradient(0deg,rgba(14,17,48,.92) 0%,rgba(14,17,48,0) 42%)}
#flow{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none}
.hero-body{flex:1;display:flex;align-items:center;padding-top:calc(120px + env(safe-area-inset-top,0px));padding-bottom:40px}
.hero-copy{display:grid;gap:26px;max-width:760px}
.hero .eyebrow{color:var(--lima);display:flex;align-items:center;gap:12px}
.hero .eyebrow::before{content:"";width:28px;height:2px;background:var(--lima)}
.hero h1{font-size:var(--step-4);letter-spacing:-.035em}
.hero h1 em{font-style:normal;color:var(--lima)}
.hero p.sub{font-size:var(--step-1);color:rgba(255,255,253,.82);max-width:58ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px}
.reel{display:flex;align-items:flex-end;gap:20px;justify-content:space-between;flex-wrap:wrap;padding-bottom:28px}
.reel-caption{font-family:var(--font-data);font-size:.8rem;letter-spacing:.08em;color:rgba(255,255,253,.8);min-height:1.4em;display:flex;gap:10px;align-items:center}
.reel-caption b{color:var(--lima);font-weight:500}
.reel-ctrl{display:flex;align-items:center;gap:14px;flex:1;max-width:460px;min-width:240px}
.segs{display:flex;gap:6px;flex:1}
.seg{flex:1;height:28px;display:flex;align-items:center;background:none;border:0;padding:0;cursor:pointer}
.seg span{flex:1;height:3px;background:rgba(255,255,253,.22);border-radius:3px;overflow:hidden}
.seg i{display:block;height:100%;width:100%;background:#FFFFFD;transform-origin:left;transform:scaleX(0)}
.play{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,253,.45);background:rgba(14,17,48,.35);color:#FFFFFD;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:none}
.play svg{width:14px;height:14px}
.facts{position:relative;border-top:1px solid rgba(255,255,253,.16);background:rgba(14,17,48,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.fact{padding:22px 20px 24px 0;display:grid;gap:4px;align-content:start}
.fact+.fact{padding-left:20px;border-left:1px solid rgba(255,255,253,.14)}
.fact strong{font-family:var(--font-data);font-weight:500;font-size:clamp(1.3rem,1rem + 1vw,1.75rem);letter-spacing:-.01em;color:#FFFFFD;font-variant-numeric:tabular-nums}
.fact span{font-size:.88rem;color:rgba(255,255,253,.7);line-height:1.4}
@media (max-width:760px){
  .facts .wrap{grid-template-columns:1fr 1fr}
  .hero::before{background:linear-gradient(0deg,rgba(14,17,48,.96) 0%,rgba(14,17,48,.84) 50%,rgba(14,17,48,.62) 100%)}
  .fact:nth-child(3){padding-left:0;border-left:0}
  .fact:nth-child(n+3){border-top:1px solid rgba(255,255,253,.14)}
  .hero-body{padding-top:calc(104px + env(safe-area-inset-top,0px))}
}

/* ---------- Selector de problemas ---------- */
.solver{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(20px,3vw,40px);align-items:start}
.probs{display:grid;gap:8px}
.prob{display:flex;align-items:center;gap:14px;text-align:left;width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--fg);font:600 1rem/1.3 var(--font-ui);cursor:pointer;transition:border-color .2s ease,background-color .2s ease}
.prob:hover{border-color:var(--accent)}
.prob[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.panel{border-radius:22px;background:var(--bg-2);border:1px solid var(--line);overflow:hidden;position:sticky;top:96px}
.panel-body{padding:clamp(20px,3vw,32px);display:grid;gap:18px}
.panel h3{font-size:var(--step-2)}
.panel .why{color:var(--fg-2)}
.prods{display:grid;gap:10px}
.prod{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 16px;padding:14px 16px;border-radius:12px;background:var(--card);border:1px solid var(--line)}
.prod code{font:500 .82rem/1.5 var(--font-data);color:var(--accent);grid-row:span 2;padding-top:2px;min-width:7.5ch}
.prod b{font-weight:600}
.prod span{color:var(--fg-2);font-size:.94rem;line-height:1.5}
.panel-ctas{display:flex;flex-wrap:wrap;gap:10px}
.fine{font-size:.82rem;color:var(--fg-2)}
@media (max-width:860px){
  .solver{grid-template-columns:1fr}
  .probs{grid-template-columns:1fr 1fr}
  .prob{padding:12px 12px;font-size:.92rem}
  .panel{position:static}
}
@media (max-width:420px){.probs{grid-template-columns:1fr}}

/* ---------- Ciclo del pozo ---------- */
.cycle-sec{background:var(--bg-2)}
.cycle{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;counter-reset:etapa;position:relative}
.stage{position:relative;padding:44px 18px 8px 0;display:grid;gap:10px;align-content:start;counter-increment:etapa}
.stage::before{content:"";position:absolute;top:13px;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--accent) 40%,transparent))}
.stage::after{content:counter(etapa,decimal-leading-zero);position:absolute;top:0;left:0;width:28px;height:28px;border-radius:50%;background:var(--bg-2);border:2px solid var(--accent);font:500 .7rem/24px var(--font-data);text-align:center;color:var(--accent)}
.stage h3{font-size:1.15rem;letter-spacing:-.01em}
.stage p{color:var(--fg-2);font-size:.94rem;line-height:1.5}
.stage .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.tag{font:500 .75rem/1 var(--font-data);padding:6px 8px;border-radius:6px;background:var(--card);border:1px solid var(--line);color:var(--fg)}
.cycle-photos{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px;margin-top:clamp(36px,5vw,56px)}
.cycle-photos figure{margin:0;border-radius:18px;overflow:hidden;position:relative;aspect-ratio:4/3;max-width:100%}
.cycle-photos figure:first-child{aspect-ratio:auto}
.cycle-photos img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .8s ease}
.cycle-photos figure:hover img{transform:scale(1.04)}
.cycle-photos figcaption{position:absolute;left:12px;bottom:12px;font:500 .75rem/1 var(--font-data);letter-spacing:.08em;text-transform:uppercase;color:#FFFFFD;background:rgba(14,17,48,.6);padding:7px 9px;border-radius:6px}
@media (max-width:1060px){.cycle{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:28px}}
@media (max-width:640px){
  .cycle{grid-template-columns:1fr}
  .stage{padding:0 0 22px 46px}
  .stage::before{top:0;bottom:0;left:13px;right:auto;width:2px;height:auto;background:var(--accent)}
  .stage:last-child::before{bottom:auto;height:28px}
  .cycle-photos{grid-template-columns:1fr 1fr}
  .cycle-photos figure:first-child{grid-column:span 2;aspect-ratio:16/9}
}

/* ---------- Propósito (foto) ---------- */
.purpose{position:relative;isolation:isolate;color:#FFFFFD;overflow:hidden;background:var(--navy)}
.purpose img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;object-position:70% 30%}
.purpose::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(119,61,189,.92) 0%,rgba(119,61,189,.72) 38%,rgba(14,17,48,.05) 78%)}
.purpose .wrap{padding-block:clamp(80px,12vw,150px);display:grid;gap:22px}
.purpose blockquote{margin:0;font-size:var(--step-3);font-weight:800;line-height:1.12;letter-spacing:-.025em;max-width:18em;text-wrap:balance}
.purpose .sign{font-family:var(--font-data);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--lima)}

/* ---------- ADN (banda navy) ---------- */
.dna{background:var(--bg)}
.dna-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.dna-card{background:var(--card);padding:clamp(22px,2.6vw,34px);display:grid;gap:14px;align-content:start;transition:background-color .3s ease}
.dna-card:hover{background:var(--bg-2)}
.dna-card svg{width:52px;height:52px;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.dna-card:hover svg{transform:rotate(-8deg) scale(1.06)}
.dna-card h3{font-size:1.3rem}
.dna-card .tagline{font:500 .74rem/1.3 var(--font-data);letter-spacing:.1em;text-transform:uppercase;color:var(--fg-2)}
.dna-card p{color:var(--fg-2);font-size:.96rem;line-height:1.55}
@media (max-width:980px){.dna-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.dna-grid{grid-template-columns:1fr}}

/* ---------- Proceso ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(12px,2vw,20px)}
.step{border-top:2px solid var(--fg);padding-top:18px;display:grid;gap:10px;align-content:start}
.step .n{font:500 .78rem/1 var(--font-data);letter-spacing:.1em;color:var(--accent);text-transform:uppercase}
.step h3{font-size:1.25rem}
.step p{color:var(--fg-2);font-size:.96rem;line-height:1.55}
.step .t{font:500 .78rem/1.3 var(--font-data);color:var(--fg)}
.lab{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,4vw,56px);align-items:center;margin-top:clamp(40px,6vw,72px)}
.lab figure{margin:0;border-radius:22px;overflow:hidden;aspect-ratio:4/3;max-width:100%}
.lab img{width:100%;height:100%;object-fit:cover;display:block}
.lab-copy{display:grid;gap:16px}
.lab-copy h3{font-size:var(--step-2)}
.lab-copy ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.lab-copy li{display:grid;grid-template-columns:22px minmax(0,1fr);gap:10px;color:var(--fg-2)}
.lab-copy li svg{width:18px;height:18px;margin-top:4px;color:var(--accent)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:28px}.lab{grid-template-columns:1fr}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* ---------- Programa químico (servicio en campo, referente ChampionX) ---------- */
.alt{background:var(--bg-2)}
.prog{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(20px,4vw,48px);align-items:stretch}
.prog figure{margin:0;border-radius:22px;overflow:hidden;position:relative;min-height:320px;max-width:100%}
.prog figure img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 25%}
.prog figcaption{position:absolute;left:16px;right:16px;bottom:16px;padding:16px 18px;border-radius:14px;background:rgba(14,17,48,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#FFFFFD;font-size:.94rem;line-height:1.45}
.prog figcaption b{display:block;font:500 .75rem/1.2 var(--font-data);letter-spacing:.1em;text-transform:uppercase;color:var(--lima);margin-bottom:6px}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.kpi{background:var(--card);padding:22px 20px;display:grid;gap:8px;align-content:start}
.kpi .u{font:500 clamp(1.35rem,1rem + 1vw,1.8rem)/1 var(--font-data);color:var(--accent);letter-spacing:-.01em}
.kpi b{font-weight:600}
.kpi span{font-size:.9rem;color:var(--fg-2);line-height:1.45}
.prog-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;font-size:.9rem;color:var(--fg-2)}
@media (max-width:980px){.prog{grid-template-columns:1fr}.prog figure{min-height:280px}}
@media (max-width:620px){.kpis{grid-template-columns:1fr 1fr}}
@media (max-width:380px){.kpis{grid-template-columns:1fr}}

/* Selector agrupado por área */
.grp{font:500 .75rem/1 var(--font-data);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-2);margin:14px 0 2px;grid-column:1/-1}
.grp:first-child{margin-top:0}
.panel .area{font:500 .74rem/1 var(--font-data);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}

/* ---------- Hubs ---------- */
.hubs{position:relative;isolation:isolate;background:var(--navy);color:#FFFFFD;overflow:hidden}
.hubs > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.85}
.hubs::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(14,17,48,.9) 0%,rgba(14,17,48,.55) 55%,rgba(14,17,48,.9) 100%)}
.hubs .eyebrow{color:var(--lima)}
.hubs .lead{color:rgba(255,255,253,.75)}
.hub-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hub{border:1px solid rgba(255,255,253,.18);border-radius:22px;padding:clamp(22px,3vw,32px);background:rgba(14,17,48,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:grid;gap:16px;align-content:start}
.hub-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}
.hub h3{font-size:var(--step-2)}
.clock{font:500 1.5rem/1 var(--font-data);font-variant-numeric:tabular-nums;color:var(--lima);text-align:right}
.clock small{display:block;font-size:.75rem;letter-spacing:.1em;color:rgba(255,255,253,.6);margin-top:6px;text-transform:uppercase}
.hub dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 18px;font-size:.94rem}
.hub dt{font:500 .74rem/1.9 var(--font-data);letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,253,.55)}
.hub dd{margin:0;color:rgba(255,255,253,.9)}
@media (max-width:780px){.hub-grid{grid-template-columns:1fr}}

/* ---------- Contacto ---------- */
.contact{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,5vw,72px);align-items:start}
.contact-aside{display:grid;gap:22px}
.contact-aside h2{font-size:var(--step-3)}
.person{display:flex;gap:16px;align-items:center;padding:14px;border-radius:16px;background:var(--bg-2);border:1px solid var(--line)}
.person img{width:72px;height:72px;border-radius:12px;object-fit:cover;flex:none}
.person p{font-size:.94rem;color:var(--fg-2)}
.person b{display:block;color:var(--fg);font-weight:600}
.mail{display:grid;gap:4px}
.mail span{font:500 .74rem/1 var(--font-data);letter-spacing:.1em;text-transform:uppercase;color:var(--fg-2)}
.mail-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.mail-row code{font:500 1.05rem var(--font-data);user-select:all}
.copy{font:600 .8rem/1 var(--font-ui);border:1px solid var(--line);background:var(--card);color:var(--fg);border-radius:8px;padding:13px 14px;cursor:pointer}
form.f{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:clamp(20px,3vw,32px);border-radius:22px;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}
.fld{display:grid;gap:6px;min-width:0}
.fld.full{grid-column:1/-1}
.fld label{font-weight:600;font-size:.9rem}
.fld input,.fld select,.fld textarea{font:400 1rem var(--font-ui);color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%}
.fld textarea{min-height:120px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.f-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.f-ok{grid-column:1/-1;padding:14px 16px;border-radius:12px;background:var(--accent-soft);color:var(--fg);font-size:.94rem}
.f-ok[data-kind="error"]{background:color-mix(in srgb,var(--err) 10%,var(--card));border:1px solid var(--err)}
.fld [aria-invalid="true"]{border-color:var(--err)}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
@media (max-width:520px){form.f{grid-template-columns:1fr}}

/* ---------- Pie ---------- */
.ftr{background:var(--band);color:var(--band-mute);padding-block:56px 32px}
.ftr-top{display:grid;grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr));gap:32px}
.ftr .lema{font:500 .78rem/1 var(--font-data);letter-spacing:.14em;text-transform:uppercase;color:var(--lima);margin-top:14px}
.ftr h4{margin:0 0 12px;color:var(--band-fg);font-size:.9rem}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:.92rem}
.ftr a{text-decoration:none}
.ftr a:hover{color:var(--band-fg);text-decoration:underline}
.ftr-legal{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,253,.12);display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;font-size:.84rem}
@media (max-width:820px){.ftr-top{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.ftr-top{grid-template-columns:1fr}}



/* Aparición suave, siempre desde un estado visible */
.rise{animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
.rise.d1{animation-delay:.08s}.rise.d2{animation-delay:.16s}.rise.d3{animation-delay:.24s}
@keyframes rise{from{transform:translateY(14px)}to{transform:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ---------- Base y piezas que el prototipo llevaba en línea ---------- */
html{-webkit-text-size-adjust:100%;color-scheme:light}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
/* Logo: los archivos de public/marca (blanco sobre el hero y en tema oscuro; a color sobre fondo claro). */
.brand img{height:26px;width:auto;display:block}
.ftr .brand img{height:30px}
.brand .logo-color{display:none}
.hdr[data-over="page"] .logo-color,.hdr[data-open="true"] .logo-color{display:block}
.hdr[data-over="page"] .logo-blanco,.hdr[data-open="true"] .logo-blanco{display:none}
@media (prefers-color-scheme:dark){
  .hdr[data-over="page"] .logo-color,.hdr[data-open="true"] .logo-color{display:none}
  .hdr[data-over="page"] .logo-blanco,.hdr[data-open="true"] .logo-blanco{display:block}
}
.skip{position:absolute;left:16px;top:-80px;z-index:60;background:var(--navy);color:var(--blanco);padding:12px 16px;border-radius:10px;font-weight:600}
.skip:focus{top:calc(12px + env(safe-area-inset-top,0px))}
.scene-0{background-image:url("img/refineria.jpg")}
.scene-1{background-image:url("img/campo.jpg");background-position:62% 30%}
.scene-2{background-image:url("img/laboratorio.jpg");background-position:70% 40%}
.scene-3{background-image:url("img/terminal.jpg")}
.hero-body .wrap{width:100%}
/* Sobre fondo claro el botón principal es morado, como en la aplicación; la lima queda para el hero navy. */
.hdr[data-over="page"] .btn-lima{background:var(--accent);color:var(--accent-ink)}
.cycle-photos .ph-campo{object-position:50% 30%}
.lab img{object-position:72% 40%}
.person img{object-position:55% 25%}
.copy-estado{font-size:.86rem;color:var(--fg-2)}
.previa{position:fixed;z-index:50;left:calc(16px + env(safe-area-inset-left,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));max-width:min(420px,calc(100% - 32px));margin:0;background:var(--navy);color:var(--blanco);border:1px solid rgba(255,255,253,.35);border-radius:12px;padding:10px 14px;font-size:.86rem;line-height:1.4}