/* Layout: sitio de una página; héroe con el triángulo de la marca, franja de obra (amarillo/negro) como separador, bitácora de obras como pieza central */
:root{
  --bg:#F3F3F0; --surface:#FFFFFF; --ink:#1D1D1B; --muted:#5D5C55; --line:#DADAD3;
  --brand:#FCCB26; --brand-ink:#9A7400; --brand-soft:#FFF1C2; --band:#1D1D1B; --band-ink:#F3F3F0; --tri:#E4E3DC;
  --display:"Oswald","Arial Narrow",Impact,sans-serif;
  --body:"Barlow","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#141412; --surface:#1E1E1B; --ink:#EDEDE8; --muted:#A8A79F; --line:#34332E;
  --brand:#FCCB26; --brand-ink:#FCCB26; --brand-soft:#2E2812; --band:#0B0B0A; --band-ink:#EDEDE8; --tri:#24241F; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#141412; --surface:#1E1E1B; --ink:#EDEDE8; --muted:#A8A79F; --line:#34332E;
  --brand:#FCCB26; --brand-ink:#FCCB26; --brand-soft:#2E2812; --band:#0B0B0A; --band-ink:#EDEDE8; --tri:#24241F; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:1.0625rem;line-height:1.6}
a{color:inherit}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.wrap{max-width:72rem;margin:0 auto;padding-inline:clamp(1rem,4vw,2rem)}
h1,h2,h3{font-family:var(--display);text-transform:uppercase;line-height:1.02;margin:0;text-wrap:balance;letter-spacing:.005em}
h2{font-size:clamp(2rem,5vw,3.25rem);font-weight:700}
h3{font-size:1.2rem;font-weight:600;letter-spacing:.02em}
p{margin:0}
.eyebrow{font-family:var(--display);font-weight:500;font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--brand-ink)}
.lede{font-size:1.15rem;color:var(--muted);max-width:40rem}
.hazard{height:12px;background:repeating-linear-gradient(-45deg,#1D1D1B 0 12px,#FCCB26 12px 24px)}
section{padding-block:clamp(3.5rem,8vw,6rem)}
.sec-head{display:grid;gap:.9rem;margin-bottom:2.5rem;max-width:46rem}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:1.25rem;padding-block:.55rem}
.plate{background:#FFFFFF;border-radius:4px;padding:4px 8px;display:flex;line-height:0}
.plate img{height:46px;width:auto}
.nav{display:flex;gap:1.4rem;margin-left:auto;font-family:var(--display);font-weight:500;text-transform:uppercase;letter-spacing:.08em;font-size:.88rem}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-size:.95rem;text-decoration:none;padding:.8rem 1.25rem;border-radius:3px;border:2px solid transparent;cursor:pointer;transition:transform .15s ease}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:20px;height:20px;flex:0 0 20px}
.btn-wa{background:var(--brand);color:#1D1D1B}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.top .btn{padding:.55rem .95rem;font-size:.85rem}
@media (max-width:820px){.nav{display:none}.top .btn{margin-left:auto}}

/* hero */
.hero{position:relative;overflow:hidden;padding-block:clamp(3rem,7vw,5.5rem) 0}
.hero .tri{position:absolute;right:-6rem;top:-1rem;width:min(46rem,80vw);height:auto;z-index:0;pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;gap:1.5rem}
.hero h1{font-size:clamp(2.9rem,9vw,6.4rem);font-weight:700;max-width:12ch}
.hero h1 em{font-style:normal;color:var(--brand-ink)}
.hero .ctas{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:.5rem}
.stats{margin-top:clamp(2.5rem,6vw,4rem);background:var(--band);color:var(--band-ink)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{padding:1.4rem 1.2rem 1.5rem;border-left:1px solid #3a3a36}
.stat:first-child{border-left:none;padding-left:0}
.stat b{display:block;font-family:var(--display);font-weight:700;font-size:clamp(2rem,4.4vw,2.9rem);line-height:1;color:#FCCB26;font-variant-numeric:tabular-nums}
.stat span{font-size:.9rem;color:#C9C8C0;display:block;margin-top:.35rem}
@media (max-width:760px){.stats .wrap{grid-template-columns:1fr 1fr}.stat:nth-child(3){border-left:none;padding-left:0}.stat{border-top:1px solid #3a3a36}.stat:nth-child(-n+2){border-top:none}}

/* services */
.svc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.svc article{background:var(--surface);padding:1.6rem 1.5rem 1.7rem;display:grid;gap:.6rem;align-content:start;min-width:0}
.svc .ico{width:48px;height:48px;background:var(--brand);display:grid;place-items:center;border-radius:2px;margin-bottom:.3rem}
.svc .ico svg{width:28px;height:28px;stroke:#1D1D1B;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.svc p{color:var(--muted);font-size:.98rem}
@media (max-width:900px){.svc{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.svc{grid-template-columns:1fr}}

/* equipment */
.equip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;margin-top:2.5rem}
.eq{background:var(--surface);border:1px solid var(--line);padding:1.5rem;display:grid;grid-template-columns:auto 1fr;gap:1.25rem;align-items:center;min-width:0}
.eq svg{width:96px;height:64px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.eq .spec{font-family:var(--mono);font-size:.85rem;color:var(--brand-ink);margin-top:.35rem}
.eq p{color:var(--muted);font-size:.95rem;margin-top:.3rem}
.qty{font-family:var(--display);font-weight:700;color:var(--brand-ink);margin-right:.35rem}
@media (max-width:760px){.equip{grid-template-columns:1fr}.eq{grid-template-columns:1fr}}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1rem;counter-reset:st;list-style:none;padding:0;margin:0}
.steps li{border-top:4px solid var(--brand);padding-top:.9rem;min-width:0}
.steps li::before{counter-increment:st;content:"0" counter(st);font-family:var(--display);font-weight:700;font-size:1.8rem;color:var(--brand-ink);display:block;line-height:1;margin-bottom:.4rem}
.steps p{color:var(--muted);font-size:.95rem;margin-top:.3rem}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* obras */
.obras{background:var(--surface);border-block:1px solid var(--line)}
.ob-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(1.5rem,4vw,3rem);align-items:start}
@media (max-width:900px){.ob-grid{grid-template-columns:1fr}}
.list-title{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-size:1rem;padding-bottom:.6rem;border-bottom:2px solid var(--ink);display:flex;justify-content:space-between;gap:1rem}
.list-title small{font-family:var(--mono);font-weight:500;color:var(--muted);letter-spacing:0;text-transform:none;font-size:.8rem}
.landmarks{list-style:none;margin:0;padding:0}
.landmarks li{display:grid;grid-template-columns:2.2rem 1fr;gap:.5rem;padding:.6rem 0;border-bottom:1px solid var(--line)}
.landmarks .n{font-family:var(--mono);font-size:.8rem;color:var(--muted);padding-top:.15rem;font-variant-numeric:tabular-nums}
.landmarks .now{display:block;font-size:.88rem;color:var(--muted)}
.landmarks .now::before{content:"hoy → ";color:var(--brand-ink);font-weight:600}
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.97rem}
th{text-align:left;font-family:var(--display);font-weight:500;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;color:var(--muted);padding:.5rem .4rem;border-bottom:1px solid var(--line)}
td{padding:.65rem .4rem;border-bottom:1px solid var(--line);vertical-align:top}
td.m2{font-family:var(--mono);text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--ink)}
th.m2{text-align:right}
.bar{display:block;height:5px;background:var(--brand);margin-top:.35rem;border-radius:1px}
.clients{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.25rem}
.chip{font-family:var(--display);font-weight:500;text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;padding:.35rem .7rem;border:1.5px solid var(--ink);border-radius:2px}

/* trayectoria */
.tray{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
@media (max-width:900px){.tray{grid-template-columns:1fr}}
.doc{background:#FBFBF8;color:#24241F;border:1px solid #CFCFC6;padding:clamp(1.4rem,3vw,2.2rem);box-shadow:0 18px 40px -22px rgba(0,0,0,.45);transform:rotate(-1.2deg);position:relative;font-family:var(--mono);font-size:.88rem;line-height:1.65;padding-bottom:4rem}
.doc .hdr{font-family:Georgia,"Times New Roman",serif;font-size:1.25rem;letter-spacing:.06em;text-align:center;text-transform:uppercase;margin-bottom:1rem}
.doc .meta{color:#5D5C55;margin-bottom:1rem}
.doc strong{background:#FFF1C2;padding:0 .2rem}
.stamp{position:absolute;right:1.2rem;bottom:1rem;border:2.5px solid #9A7400;color:#9A7400;font-family:var(--display);font-weight:600;letter-spacing:.12em;text-transform:uppercase;font-size:.72rem;padding:.35rem .6rem;transform:rotate(-8deg);opacity:.85}
.facts{display:grid;gap:1.1rem;margin-top:1.75rem}
.fact{display:grid;grid-template-columns:5.5rem 1fr;gap:1rem;align-items:baseline;padding-bottom:1.1rem;border-bottom:1px solid var(--line)}
.fact b{font-family:var(--display);font-weight:700;font-size:1.9rem;color:var(--brand-ink);line-height:1}

/* contacto */
.contact{background:var(--band);color:var(--band-ink)}
.contact h2{color:#FFFFFF}
.contact .lede{color:#C9C8C0}
.contact .eyebrow{color:#FCCB26}
.ct-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem)}
@media (max-width:900px){.ct-grid{grid-template-columns:1fr}}
.lines{display:grid;gap:0;margin-top:1.75rem}
.line{display:flex;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid #3a3a36;flex-wrap:wrap}
.line .k{font-family:var(--display);text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;color:#9C9B93;width:100%}
.line .v{font-size:1.2rem;font-weight:600;color:#FFFFFF;user-select:all;word-break:break-word;min-width:0}
.copy{margin-left:auto;background:transparent;border:1.5px solid #5a5a54;color:#E6E5DE;font-family:var(--display);text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;padding:.35rem .7rem;border-radius:2px;cursor:pointer}
.copy:hover{border-color:#FCCB26;color:#FCCB26}
form.quote{background:#262623;border:1px solid #3a3a36;padding:clamp(1.25rem,3vw,2rem);display:grid;gap:1rem;align-content:start}
form.quote h3{color:#FCCB26}
label{display:grid;gap:.35rem;font-family:var(--display);text-transform:uppercase;letter-spacing:.1em;font-size:.75rem;color:#B9B8B0}
input,select,textarea{font:inherit;font-family:var(--body);font-size:1rem;letter-spacing:0;text-transform:none;background:#141412;color:#F3F3F0;border:1.5px solid #46463F;border-radius:3px;padding:.7rem .8rem;width:100%}
input:focus,select:focus,textarea:focus{border-color:#FCCB26;outline:none}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:480px){.row2{grid-template-columns:1fr}}
.preview{font-size:.88rem;color:#9C9B93;border-left:3px solid #FCCB26;padding-left:.8rem;white-space:pre-line}

footer{background:var(--band);color:#9C9B93;padding-block:2rem 6rem;font-size:.9rem}
footer .wrap{display:grid;gap:.6rem}
footer .tag{font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;color:#E6E5DE;font-size:1rem}

.fab{position:fixed;right:clamp(1rem,3vw,1.75rem);bottom:calc(clamp(1rem,3vw,1.75rem) + env(safe-area-inset-bottom,0px));z-index:30;display:flex;align-items:center;gap:.6rem;background:#25D366;color:#0B2E17;text-decoration:none;font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:.85rem 1.15rem .85rem 1rem;border-radius:999px;box-shadow:0 10px 26px -8px rgba(0,0,0,.5);transition:transform .15s ease}
.fab:hover{transform:scale(1.04)}
.fab svg{width:26px;height:26px}
@media (max-width:480px){.fab span{display:none}.fab{padding:.95rem}}