/* IPMVA — sitio público · minimalista · mobile-first · PWA */
:root{
  --bg:#f6f7f9; --surface:#fff; --ink:#0f1720; --muted:#5e6a76; --line:#e2e6ea;
  --dark:#0b1117; --dark2:#121b24; --accent:#d9791a; --accent-h:#c46a12; --accent-soft:#fdf1e3;
  --wa:#1faa59; --r:16px; --max:1140px; --tab:64px;
  --sat:env(safe-area-inset-top,0px); --sab:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}
img,video,iframe{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0 0 1rem}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.ic{width:1.25em;height:1.25em;flex:none;vertical-align:-.2em}
.wrap{width:min(var(--max),100% - 32px);margin-inline:auto}
.narrow{max-width:760px}
.center{text-align:center}
.muted{color:var(--muted)} .small{font-size:.85rem}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 14px;border-radius:8px;z-index:200}
.skip:focus{left:8px}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}

/* tipografía */
.h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.08;letter-spacing:-.03em}
.h2{font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.1;letter-spacing:-.03em}
.h3{font-size:1.4rem;letter-spacing:-.02em}
h3{font-size:1.1rem;letter-spacing:-.01em}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.75rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.eyebrow:before{content:"";width:24px;height:2px;background:currentColor}
.eyebrow.light{color:#f0a64f}
.kicker{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.lead{font-size:clamp(1.02rem,2vw,1.25rem);color:#cfd8df;max-width:640px}
.lead.dark-text{color:var(--muted)}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:.95rem;transition:.2s;white-space:nowrap}
.btn.sm{min-height:38px;padding:6px 16px;font-size:.88rem}
.btn.lg{min-height:52px;padding:12px 26px;font-size:1rem}
.btn.block{display:flex;width:100%;margin-top:10px}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-h);transform:translateY(-1px)}
.btn.ghost{border-color:var(--line);background:var(--surface)}
.btn.ghost:hover{border-color:#b9c1c8}
.btn.glass{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff;backdrop-filter:blur(8px)}
.btn.glass:hover{background:rgba(255,255,255,.18)}
.btn.wa{background:var(--wa);color:#fff}
.iconbtn{width:44px;height:44px;border:0;background:none;border-radius:12px;display:grid;place-items:center}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.actions.c{justify-content:center}
.linkbtn{background:none;border:0;padding:0;text-align:left}

/* encabezado */
.topbar{position:sticky;top:0;z-index:60;background:rgba(246,247,249,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding-top:var(--sat);transition:background .3s,border-color .3s}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:.02em}
.brand img{height:36px;width:auto}
.brandmark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--dark);color:#fff;font-weight:900;font-size:.95rem;box-shadow:inset 0 -3px 0 var(--accent)}
.brandtxt{line-height:1.1}
.brandtxt small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.navlinks{display:flex;gap:6px}
.navlinks a{padding:8px 14px;border-radius:999px;font-weight:600;font-size:.92rem;color:#38434d}
.navlinks a:hover{background:#e9edf0}
.navlinks a[aria-current]{color:var(--accent)}
.bar-actions{display:flex;align-items:center;gap:8px}
.show-sm{display:none}
.drawer{position:fixed;inset:calc(64px + var(--sat)) 0 0 0;z-index:55;background:rgba(11,17,23,.5);backdrop-filter:blur(3px)}
.drawer[hidden]{display:none}
.drawer nav{background:var(--surface);padding:16px;display:grid;gap:4px;border-bottom:1px solid var(--line)}
.drawer nav a:not(.btn){padding:14px 12px;font-weight:600;border-radius:10px}
.drawer nav .btn{margin-top:8px}

/* hero */
.hero{position:relative;color:#fff;background:var(--dark);min-height:min(88vh,760px);display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-shade{position:absolute;inset:0;background:linear-gradient(95deg,rgba(7,12,17,.92) 0%,rgba(7,12,17,.72) 45%,rgba(7,12,17,.35) 100%)}
.hero-in{position:relative;padding:72px 0 56px}
.hero h1{font-size:clamp(2.3rem,6.2vw,4.8rem);line-height:1.02;letter-spacing:-.045em;max-width:820px;margin-bottom:20px}
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:640px;margin:44px 0 0}
.trust li{border-left:2px solid rgba(255,255,255,.2);padding-left:14px}
.trust strong{display:block;font-size:1.05rem}
.trust span{font-size:.8rem;color:#9fb0bd}

/* secciones */
.section{padding:84px 0}
.section.tight{padding:40px 0 64px}
.section.alt{background:var(--surface);border-block:1px solid var(--line)}
.section.dark{background:var(--dark);color:#fff}
.section.dark .muted,.dark p{color:#9fb0bd}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:36px}
.sec-head p{max-width:480px;margin:0}
.page-head{padding:56px 0 24px}
.page-head .lead{margin-top:6px}
.back{display:inline-block;margin-bottom:18px;color:var(--muted);font-weight:600;font-size:.9rem}
.back:hover{color:var(--accent)}

/* tarjetas */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scard{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:.25s}
.scard:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(15,23,32,.09);border-color:#cfd6dc}
.scard p{color:var(--muted);font-size:.95rem;flex:1}
.sicon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin-bottom:12px}
.sicon .ic{width:24px;height:24px}
.sicon.big{width:56px;height:56px;margin:8px 0 14px}
.more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.9rem;color:var(--accent)}
.scard:hover .more .ic,.pcard:hover .more .ic{transform:translateX(3px)}
.more .ic{transition:.2s}
.pcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(15,23,32,.09)}
.pcard-img{aspect-ratio:3/2;background:#dfe4e8;overflow:hidden}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pcard:hover img{transform:scale(1.04)}
.pcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:6px;flex:1}
.pcard-body h3{margin:0}
.pcard-body p{color:var(--muted);font-size:.93rem;flex:1;margin:0 0 6px}
.pcard[hidden]{display:none}

/* proceso */
.process{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.steps{display:grid;gap:10px}
.steps li{display:grid;grid-template-columns:44px 1fr;gap:14px;background:var(--dark2);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:18px 20px}
.steps b{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:rgba(217,121,26,.18);color:#f0a64f}
.steps h3{margin:0 0 2px}.steps p{margin:0;font-size:.93rem}

/* nosotros */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.about-img img{width:100%;border-radius:20px;object-fit:cover;max-height:520px}
.prose{color:#3a4651}
.prose p{margin-bottom:1rem}
.prose.big{font-size:1.06rem}
.prose h2{font-size:1.5rem;margin:2rem 0 .6rem;color:var(--ink);letter-spacing:-.02em}
.prose h3{margin:1.4rem 0 .4rem;color:var(--ink)}
.prose ul{list-style:disc;padding-left:1.3rem;margin-bottom:1rem}.prose ul li{margin-bottom:.3rem}
.prose ol{list-style:decimal;padding-left:1.3rem;margin-bottom:1rem}
.prose a{color:var(--accent);text-decoration:underline}
.metrics{display:grid;gap:0;margin:22px 0 26px;border-top:1px solid var(--line)}
.metrics li{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.metrics strong{font-size:1.25rem}.metrics span{color:var(--muted);font-size:.88rem;text-align:right}
.mv{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mv article{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px}
.section.alt .mv article{background:var(--bg)}
.cta{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;background:var(--dark);color:#fff;border-radius:24px;padding:44px}
.cta p{color:#9fb0bd;margin:0;max-width:640px}
.cta .h2{margin-bottom:10px}
.cta .actions{margin:0}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px}
.chip,.chips.static li{display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-weight:600;font-size:.86rem;color:#38434d;min-height:36px}
.chips.static{margin-top:18px}
button.chip:hover,a.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.on{background:var(--dark);border-color:var(--dark);color:#fff}
.filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;scrollbar-width:none;margin-bottom:28px}
.filters::-webkit-scrollbar{display:none}.filters .chip{white-space:nowrap}

/* proyecto */
.facts{display:flex;flex-wrap:wrap;gap:10px 36px;margin:22px 0 0}
.facts li{font-weight:600}.facts span{display:block;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cover{margin:24px 0 0}.cover img{width:100%;border-radius:20px;max-height:620px;object-fit:cover}
.case{display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:start}
.side{position:sticky;top:88px;display:grid;gap:18px}
.sidecta{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.gitem{border:0;padding:0;background:#dfe4e8;border-radius:14px;overflow:hidden;aspect-ratio:4/3}
.gitem img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.gitem:hover img{transform:scale(1.05)}
.videos{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.video iframe,.video video{width:100%;aspect-ratio:16/9;border:0;border-radius:14px;background:#000}
.video figcaption{font-size:.9rem;color:var(--muted);margin-top:8px}
.lightbox{border:0;padding:0;background:transparent;max-width:96vw;max-height:94vh;color:#fff;overflow:visible}
.lightbox::backdrop{background:rgba(5,9,13,.92)}
.lightbox img{max-width:94vw;max-height:84vh;border-radius:10px;margin:auto}
.lightbox p{text-align:center;margin:10px 0 0;color:#cfd8df}
.lb-close{position:absolute;right:0;top:-48px;background:rgba(255,255,255,.12);border:0;border-radius:50%;width:42px;height:42px;display:grid;place-items:center;color:#fff}

/* contacto */
.cgrid{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start}
.cinfo ul{display:grid;gap:4px;margin-bottom:12px}
.cinfo li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.cinfo li .ic{color:var(--accent);margin-top:3px}
.cinfo a:hover{color:var(--accent)}
.map iframe{width:100%;height:240px;border:0;border-radius:14px;margin-top:14px}
.form{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px}
.fields .full{grid-column:1/-1}
label{display:grid;gap:6px;font-size:.85rem;font-weight:700;color:#38434d}
input:not([type=checkbox]),textarea,select{width:100%;min-height:46px;border:1px solid #d3dae0;border-radius:12px;padding:11px 14px;background:#fbfcfd;font:inherit;color:var(--ink)}
textarea{resize:vertical;min-height:120px}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,121,26,.16)}
.check{display:flex;align-items:flex-start;gap:10px;font-weight:500;margin:12px 0 4px}
.check input{width:20px;height:20px;margin-top:2px;accent-color:var(--accent)}
.check a{color:var(--accent);text-decoration:underline}
.err{color:#c0392b;font-weight:600;min-height:0;font-size:.8rem}
.formmsg{margin:14px 0 0;font-weight:600}.formmsg.ok{color:#1f8a4c}.formmsg.bad{color:#c0392b}
.form .btn{margin-top:14px}

/* pie */
.footer{background:var(--dark);color:#b5c1cb;padding:56px 0 0;margin-top:0}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer h4{color:#fff;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase}
.footer a:hover{color:#fff}
.footer .brand{color:#fff;margin-bottom:12px}.footer .brandtxt small{color:#8294a3}
.footer .brandmark{background:#1b2733}
.flink{display:block;padding:5px 0}
.social{display:flex;gap:10px}.social a{width:40px;height:40px;border:1px solid rgba(255,255,255,.15);border-radius:50%;display:grid;place-items:center}
.fbottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding:20px 0;font-size:.82rem;color:#8294a3}

/* flotantes */
.wa-float{position:fixed;right:16px;bottom:calc(16px + var(--sab));z-index:50;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(31,170,89,.45);transition:.2s}
.wa-float:hover{transform:scale(1.07)}
.wa-float .ic{width:30px;height:30px}
.tabbar{display:none}
.flash{background:#e8f6ee;color:#17603a;padding:12px 16px;text-align:center;font-weight:600}.flash.err{background:#fdecea;color:#a1291c}
.toast{position:fixed;left:50%;bottom:calc(90px + var(--sab));transform:translate(-50%,30px);background:var(--dark);color:#fff;padding:12px 20px;border-radius:12px;opacity:0;pointer-events:none;transition:.3s;z-index:90;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.netbar{position:fixed;top:0;left:0;right:0;z-index:100;background:#b45309;color:#fff;text-align:center;font-size:.82rem;padding:calc(6px + var(--sat)) 8px 6px}

/* animación de entrada */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
  .reveal.in{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* tablet */
@media (max-width:1023px){
  .grid3{grid-template-columns:repeat(2,1fr)}
  .process,.about,.case,.cgrid{grid-template-columns:1fr;gap:32px}
  .side{position:static}
  .about-img{order:-1}
}
/* móvil: se comporta como app (barra inferior) */
@media (max-width:767px){
  body{padding-bottom:calc(var(--tab) + var(--sab))}
  .navlinks,.hide-sm{display:none}.show-sm{display:grid}
  .grid3,.mv,.fields,.fgrid{grid-template-columns:1fr}
  .section{padding:56px 0}.section.tight{padding:28px 0 48px}
  .sec-head{display:block}.sec-head .btn{margin-top:14px}
  .hero{min-height:calc(100svh - 64px - var(--tab))}
  .hero-shade{background:linear-gradient(180deg,rgba(7,12,17,.55) 0%,rgba(7,12,17,.88) 100%)}
  .trust{grid-template-columns:1fr 1fr 1fr;gap:8px}.trust span{font-size:.7rem}
  .cta{grid-template-columns:1fr;padding:28px}
  .page-head{padding-top:36px}
  .form{padding:20px}
  .actions .btn.lg{flex:1 1 100%}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;height:calc(var(--tab) + var(--sab));padding-bottom:var(--sab);background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-top:1px solid var(--line)}
  .tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:.66rem;font-weight:700;color:var(--muted)}
  .tabbar a .ic{width:24px;height:24px}
  .tabbar a[aria-current]{color:var(--accent)}
  .wa-float{bottom:calc(var(--tab) + var(--sab) + 14px);width:54px;height:54px}
  .footer{padding-bottom:0}
}
/* modo app instalada */
@media (display-mode:standalone){
  .topbar{background:rgba(11,17,23,.94);color:#fff;border-color:rgba(255,255,255,.08)}
  .topbar .navlinks a{color:#cfd8df}.topbar .brandtxt small{color:#8294a3}.topbar .iconbtn{color:#fff}
  .topbar .brandmark{background:#1b2733}
  #installBtn,#installBtn2{display:none!important}
  body{user-select:none;-webkit-user-select:none}
  .prose,input,textarea{user-select:text;-webkit-user-select:text}
}