/* Layout: obra/faena — franjas de ancho completo, orden de trabajo como pieza central, señalética condensada */
:root{
  --bg:#F5F6F8; --surface:#FFFFFF; --ink:#18212C; --muted:#4A5565; --line:#D8DDE4;
  --band:#1E2833; --band-ink:#EEF1F5; --band-muted:#AEB8C4;
  --accent:#C2410C; --accent-mark:#F97316; --on-accent:#FFFFFF; --accent-soft:#FDEBDD;
  --ok:#15803D; --ok-soft:#DCFCE7; --run:#B45309; --run-soft:#FEF3C7; --plan:#475569; --plan-soft:#E2E8F0;
  --f-display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"Open Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --wrap:1160px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#11161C; --surface:#18202A; --ink:#E8ECF1; --muted:#A5B0BD; --line:#2A3441;
  --band:#0A0E13; --band-ink:#EEF1F5; --band-muted:#9AA6B3;
  --accent:#F97316; --accent-mark:#FB923C; --on-accent:#111418; --accent-soft:#3A2214;
  --ok:#4ADE80; --ok-soft:#14301F; --run:#FBBF24; --run-soft:#3A2E10; --plan:#CBD5E1; --plan-soft:#273241;
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#11161C; --surface:#18202A; --ink:#E8ECF1; --muted:#A5B0BD; --line:#2A3441;
  --band:#0A0E13; --band-ink:#EEF1F5; --band-muted:#9AA6B3;
  --accent:#F97316; --accent-mark:#FB923C; --on-accent:#111418; --accent-soft:#3A2214;
  --ok:#4ADE80; --ok-soft:#14301F; --run:#FBBF24; --run-soft:#3A2E10; --plan:#CBD5E1; --plan-soft:#273241;
  color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:40;background:var(--surface)}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.05;text-wrap:balance;margin:0;letter-spacing:.005em}
h2{font-size:clamp(2rem,4.4vw,3rem);text-transform:uppercase}
h3{font-size:1.45rem;text-transform:uppercase;letter-spacing:.02em}
p{margin:0}
a{color:inherit}
.eyebrow{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--accent-mark)}
.lead{color:var(--muted);font-size:1.075rem;max-width:62ch}
:focus-visible{outline:3px solid var(--accent-mark);outline-offset:3px;border-radius:4px}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:6px;font-weight:700;font-size:.98rem;text-decoration:none;cursor:pointer;border:2px solid transparent;transition:background-color .2s,border-color .2s,color .2s;font-family:var(--f-body)}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover{background:var(--accent-mark)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}
.btn svg{width:18px;height:18px}

/* nav */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:var(--surface);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-mark{width:38px;height:38px;flex:none}
.brand-name{font-family:var(--f-display);font-weight:700;font-size:1.55rem;line-height:1;text-transform:uppercase}
.brand-name small{display:block;font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;color:var(--muted);font-weight:500;margin-top:3px}
.nav-links{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{text-decoration:none;font-weight:600;font-size:.94rem;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
@media (max-width:860px){.nav-links{display:none}.nav .btn{padding:0 16px}}

/* hero */
.hero{padding-block:clamp(48px,7vw,88px) clamp(48px,6vw,72px);border-bottom:1px solid var(--line);background:
  linear-gradient(var(--bg),var(--bg)) padding-box}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero-grid>*{min-width:0}
.hero h1{font-size:clamp(2.7rem,6.6vw,5rem);text-transform:uppercase;margin-top:18px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{margin-top:20px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.pledge{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:30px;padding:0;list-style:none;font-weight:600;font-size:.93rem}
.pledge li{display:flex;align-items:center;gap:8px}
.pledge svg{width:18px;height:18px;color:var(--accent)}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}

/* orden de trabajo */
.ot{background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 40px -24px rgba(15,23,32,.45);overflow:hidden}
.ot-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 20px;border-bottom:2px dashed var(--line)}
.ot-head .k{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.ot-head .v{font-family:var(--f-display);font-size:1.5rem;font-weight:700;text-transform:uppercase;line-height:1.1}
.tag-ex{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;padding:4px 8px;border-radius:4px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}
.ot-list{list-style:none;margin:0;padding:6px 0}
.ot-item{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;padding:12px 20px}
.ot-item+.ot-item{border-top:1px solid var(--line)}
.ot-ico{width:34px;height:34px;border-radius:6px;display:grid;place-items:center;background:var(--bg);color:var(--ink)}
.ot-ico svg{width:18px;height:18px}
.ot-item b{display:block;font-size:.95rem;line-height:1.3}
.ot-item span.area{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.chip{font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:99px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.run{background:var(--run-soft);color:var(--run)}
.chip.plan{background:var(--plan-soft);color:var(--plan)}
.ot-foot{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px dashed var(--line);font-variant-numeric:tabular-nums}
.ot-foot div{padding:14px 16px;text-align:center}
.ot-foot div+div{border-left:1px solid var(--line)}
.ot-foot strong{display:block;font-family:var(--f-display);font-size:1.7rem;line-height:1;color:var(--accent)}
.ot-foot span{font-size:.78rem;color:var(--muted);font-weight:600}
@media (max-width:420px){.ot-item{grid-template-columns:30px 1fr}.ot-item .chip{grid-column:2;justify-self:start}}

/* sections */
section.block{padding-block:clamp(56px,8vw,96px)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:20px 48px;align-items:end;margin-bottom:44px}
.sec-head>*{min-width:0}
.sec-head h2{margin-top:12px}
@media (max-width:820px){.sec-head{grid-template-columns:1fr}}

/* servicios */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.svc{background:var(--surface);padding:28px 26px 30px;display:flex;flex-direction:column;gap:12px;transition:background-color .2s}
.svc:hover{background:var(--bg)}
.svc-top{display:flex;justify-content:space-between;align-items:center}
.svc-ico{width:46px;height:46px;border-radius:8px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.svc-ico svg{width:24px;height:24px}
.svc-code{font-family:var(--f-mono);font-size:.72rem;color:var(--muted);letter-spacing:.08em}
.svc p{color:var(--muted);font-size:.95rem}
.svc ul{margin:4px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.svc li{font-size:.78rem;font-weight:600;padding:3px 9px;border:1px solid var(--line);border-radius:4px;color:var(--ink)}
@media (max-width:960px){.services{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.services{grid-template-columns:1fr}}

/* banda comparativa */
.band{background:var(--band);color:var(--band-ink)}
.band .eyebrow{color:var(--accent-mark)}
.band .lead{color:var(--band-muted)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.compare>div{border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:26px}
.compare h3{font-size:1.25rem;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.compare li{display:flex;gap:12px;align-items:flex-start;color:var(--band-muted)}
.compare li svg{width:20px;height:20px;flex:none;margin-top:2px}
.compare .them svg{color:var(--band-muted)}
.compare .us{border-color:var(--accent-mark);background:rgba(249,115,22,.07)}
.compare .us li{color:var(--band-ink)}
.compare .us svg{color:var(--accent-mark)}
@media (max-width:760px){.compare{grid-template-columns:1fr}}

/* sectores */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sector{border-top:4px solid var(--ink);padding-top:18px;display:flex;flex-direction:column;gap:10px}
.sector:nth-child(odd){border-top-color:var(--accent-mark)}
.sector p{color:var(--muted);font-size:.94rem}
.sector .need{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
@media (max-width:960px){.sectors{grid-template-columns:repeat(2,1fr);gap:32px 24px}}
@media (max-width:520px){.sectors{grid-template-columns:1fr}}

/* proceso */
.process{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:p}
.process li{position:relative;padding:0 22px 0 0;display:flex;flex-direction:column;gap:10px}
.step-n{font-family:var(--f-display);font-weight:700;font-size:1.05rem;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:2px solid var(--accent-mark);color:var(--accent);position:relative;z-index:1}
.process li:not(:last-child)::after{content:"";position:absolute;top:21px;left:44px;right:0;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 14px)}
.process p{color:var(--muted);font-size:.94rem}
.process .time{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
@media (max-width:860px){.process{grid-template-columns:1fr 1fr;gap:36px 24px}.process li::after{display:none}}
@media (max-width:480px){.process{grid-template-columns:1fr}}

/* contacto */
.contact{background:var(--surface);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,64px)}
.contact-grid>*{min-width:0}
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-info dl{margin:12px 0 0;display:grid;gap:16px}
.contact-info dt{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.contact-info dd{margin:2px 0 0;font-weight:700;font-size:1.05rem;user-select:all}
form.quote{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:clamp(20px,3vw,32px)}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
label{font-weight:600;font-size:.88rem}
input,select,textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:11px 12px;min-height:46px;width:100%;transition:border-color .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent-mark);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{min-height:110px;resize:vertical}
.err{color:var(--accent);font-size:.82rem;font-weight:600}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.form-foot small{color:var(--muted)}
.notice{grid-column:1/-1;background:var(--ok-soft);color:var(--ok);padding:12px 14px;border-radius:6px;font-weight:600}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
@media (max-width:520px){form.quote{grid-template-columns:1fr}}

footer{background:var(--band);color:var(--band-muted);font-size:.88rem}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-block:28px}
footer .brand-name{color:var(--band-ink);font-size:1.25rem}

.sprite{position:absolute}
.block-line{border-top:1px solid var(--line)}
body{margin:0}img{max-width:100%}[hidden]{display:none!important}