/* ==========================================================================
   MONTERO SOLUCIONES Y ACABADOS — Demo web (HTML/CSS/JS)
   Paleta y lineamientos tomados de la identidad del ERP (plantilla de cotización)
   ========================================================================== */

:root{
  --primary:#0074BC;
  --primary-d:#005A93;
  --primary-dd:#0B4C79;
  --primary-l:#9AC2E6;
  --primary-xl:#EAF3FB;
  --accent:#FED701;
  --accent-l:#FFFE65;

  --ink:#10243A;
  --ink-2:#44546A;
  --ink-3:#6B7C90;
  --line:#E2E8F0;
  --line-2:#EDF2F7;
  --bg:#FFFFFF;
  --soft:#F4F7FB;

  --radius:18px;
  --radius-sm:12px;
  --shadow:0 14px 40px rgba(16,36,58,.12);
  --shadow-sm:0 6px 18px rgba(16,36,58,.08);
  --shadow-xs:0 2px 8px rgba(16,36,58,.06);
  --max:1200px;
  --header-h:96px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.14;letter-spacing:-.015em;font-weight:830}
h1{font-size:clamp(34px,4.4vw,56px)}
h2{font-size:clamp(26px,3vw,38px)}
h3{font-size:19px}
p{margin:0;color:var(--ink-2)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.muted{color:var(--ink-2)}
.center{text-align:center}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--primary)}
.sec{padding:86px 0}
.sec-soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:44px;margin-bottom:44px}
.sec-head p{max-width:560px}
.sec-head h2{margin-top:12px}

/* ── Botones ─────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;
  padding:15px 26px;font-weight:800;font-size:15px;border:2px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(0,116,188,.30)}
.btn-primary:hover{background:var(--primary-d)}
.btn-accent{background:var(--accent);color:var(--ink);box-shadow:0 10px 24px rgba(254,215,1,.35)}
.btn-accent:hover{background:#F0C800}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary-l)}
.btn-ghost:hover{background:var(--primary-xl)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:rgba(255,255,255,.12)}
.btn-block{width:100%}
.btn-sm{padding:11px 18px;font-size:13.5px}

/* ── Topbar + Header ─────────────────────────────────────── */
.topbar{background:var(--ink);color:#DCE7F2;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;min-height:40px;padding-top:6px;padding-bottom:6px}
.topbar b{color:#fff}
.topbar a{color:#fff;font-weight:700}
.topbar a:hover{color:var(--accent)}

.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(8px);
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.header.is-scrolled{box-shadow:0 8px 26px rgba(16,36,58,.10)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:var(--header-h);transition:min-height .2s ease}
.header.is-scrolled .wrap{min-height:78px}
.brand{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.brand img{height:72px;width:auto;transition:height .2s ease}
.header.is-scrolled .brand img{height:58px}
.brand-txt{display:none}

.nav{display:flex;align-items:center;gap:28px;font-size:14.5px;font-weight:650}
.nav a{position:relative;padding:6px 0;color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--primary);transition:right .22s ease}
.nav a:hover::after,.nav a.is-active::after{right:0}
.nav a.is-active{color:var(--primary)}
.header .cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}

.burger{display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;
  flex:0 0 auto;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}

.mobile-menu{position:fixed;inset:0;background:rgba(16,36,58,.55);backdrop-filter:blur(3px);z-index:90;
  opacity:0;pointer-events:none;transition:opacity .22s ease}
.mobile-menu.is-open{opacity:1;pointer-events:auto}
.mobile-menu .panel{position:absolute;right:0;top:0;bottom:0;width:min(88vw,360px);background:#fff;padding:26px;
  display:flex;flex-direction:column;gap:6px;transform:translateX(100%);transition:transform .26s ease}
.mobile-menu.is-open .panel{transform:none}
.mobile-menu a{padding:14px 4px;border-bottom:1px solid var(--line-2);font-weight:700}
.mobile-menu .btn{margin-top:18px}

/* ── Hero ────────────────────────────────────────────────── */
.hero{position:relative;overflow:hidden;
  background:radial-gradient(1100px 420px at 90% -10%, #EAF3FB 0%, rgba(234,243,251,0) 60%),
             linear-gradient(180deg,#FFF 0%, #F7FAFD 100%);
  border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;padding-top:64px;padding-bottom:72px}
.hero h1 span{color:var(--primary)}
.hero .lead{font-size:18px;margin-top:18px;max-width:540px}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-sells{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap;font-size:13.5px;font-weight:750;color:var(--ink-2)}
.hero-sells i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--accent);margin-right:8px}
.hero-media{position:relative}
.hero-media .shot{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3.2}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,36,58,0) 45%,rgba(16,36,58,.55) 100%)}
/* Etiqueta anclada ARRIBA de la foto: deja libre la franja inferior, que es
   donde viven las tarjetas flotantes (antes se pisaban entre sí). */
.hero-media .tag{position:absolute;left:16px;top:16px;bottom:auto;z-index:3;max-width:calc(100% - 32px);
  background:rgba(255,255,255,.95);border-radius:12px;
  padding:10px 14px;font-size:12.5px;font-weight:800;color:var(--ink);line-height:1.3}
.float-card{position:absolute;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;
  box-shadow:var(--shadow-sm);display:flex;gap:12px;align-items:center;animation:floaty 5s ease-in-out infinite}
.float-card .ic{width:44px;height:44px;border-radius:12px;background:var(--primary-xl);display:flex;align-items:center;
  justify-content:center;font-size:20px;flex:0 0 44px}
.float-card b{display:block;font-size:14px;font-weight:830;color:var(--ink)}
.float-card small{font-size:11.8px;color:var(--ink-2)}
.fc-1{left:-26px;bottom:58px;width:236px}
.fc-2{right:-18px;bottom:-14px;width:250px;animation-delay:.8s}

/* Sin espacio para flotar: las tarjetas pasan al flujo, debajo de la foto.
   Así no pueden solaparse entre sí ni con la etiqueta en ningún ancho. */
@media (max-width:1200px){
  .hero-media{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;align-items:start}
  .hero-media .shot{grid-column:1/-1}
  .float-card{position:static;width:auto;left:auto;right:auto;bottom:auto;top:auto;animation:none}
  .fc-1,.fc-2{width:auto}
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* ── Trust strip / counters ──────────────────────────────── */
.trust{background:var(--ink);color:#fff}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding-top:26px;padding-bottom:26px}
.trust .item{padding:8px 26px;border-left:1px solid rgba(255,255,255,.14)}
.trust .item:first-child{border-left:0;padding-left:0}
.trust .n{font-size:clamp(26px,3vw,34px);font-weight:850;letter-spacing:-.02em}
.trust .n em{color:var(--accent);font-style:normal}
.trust .l{font-size:12.5px;color:#B9CCDD;font-weight:650;margin-top:4px}

/* ── Cards / servicios ───────────────────────────────────── */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-xs);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#D7E5F2}
.card .ico{width:54px;height:54px;border-radius:15px;background:var(--primary-xl);display:flex;align-items:center;
  justify-content:center;margin-bottom:18px;font-size:24px}
.card h3{margin-bottom:8px}
.card p{font-size:14.6px}
.card .more{margin-top:18px;font-size:13.5px;font-weight:800;color:var(--primary);display:inline-flex;gap:6px;
  background:none;border:0;padding:0;cursor:pointer}
.card .more:hover{gap:10px}
.card-accent{background:linear-gradient(120deg,#F4F7FB,#EAF3FB);display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.card-accent h3{font-size:21px}

/* ── Galería / proyectos ────────────────────────────────── */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 16px;font-size:13.5px;font-weight:750;
  color:var(--ink-2);cursor:pointer;transition:all .18s ease}
.chip:hover{border-color:var(--primary-l)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gal{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:4/3;cursor:pointer;box-shadow:var(--shadow-xs);
  background:#DCE7F2}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.gal:hover img{transform:scale(1.06)}
.gal.is-hidden{display:none}
.gal .cap{position:absolute;left:0;right:0;bottom:0;padding:34px 14px 12px;color:#fff;font-size:13px;font-weight:800;
  background:linear-gradient(180deg,rgba(16,36,58,0),rgba(16,36,58,.82))}
.gal .cap small{display:block;font-size:11.5px;font-weight:600;opacity:.85}
.gal.wide{grid-column:span 2;aspect-ratio:8/3.05}

/* ── Proceso ─────────────────────────────────────────────── */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative}
.step .num{width:44px;height:44px;border-radius:13px;background:var(--primary);color:#fff;display:flex;align-items:center;
  justify-content:center;font-weight:850;margin-bottom:16px}
.step:nth-child(2) .num{background:#1E86C8}
.step:nth-child(3) .num{background:#4FA3DA}
.step:nth-child(4) .num{background:var(--accent);color:var(--ink)}
.step h3{margin-bottom:8px}
.step p{font-size:14.5px}

/* ── Split / por qué ─────────────────────────────────────── */
.split{display:grid;grid-template-columns:1.03fr .97fr;gap:56px;align-items:center}
.checks{display:grid;gap:14px;margin-top:26px}
.chk{display:flex;gap:12px;font-size:15px;font-weight:650;color:var(--ink)}
.chk .t{width:22px;height:22px;border-radius:50%;background:var(--accent);color:var(--ink);display:flex;align-items:center;
  justify-content:center;font-size:13px;font-weight:900;flex:0 0 22px;margin-top:3px}
.split-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3}
.split-media img{width:100%;height:100%;object-fit:cover}

/* ── Cobertura ───────────────────────────────────────────── */
.zones{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.zone{background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 16px;font-size:13.5px;font-weight:750;
  display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-xs)}
.zone b{color:var(--primary)}
.zone i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block}

/* ── Testimonios ─────────────────────────────────────────── */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-xs)}
.quote .stars{color:#F2B400;font-size:15px;letter-spacing:2px;margin-bottom:12px}
.quote p{color:var(--ink);font-size:15px}
.quote .who{display:flex;gap:12px;align-items:center;margin-top:20px}
.quote .av{width:40px;height:40px;border-radius:50%;background:var(--primary-l);display:flex;align-items:center;
  justify-content:center;font-weight:850;color:#fff}
.quote .who b{font-size:14px}
.quote .who small{display:block;font-size:12.5px;color:var(--ink-2)}

/* ── CTA final + formulario ──────────────────────────────── */
/* OJO: la sección final usa class="sec cta" y el header usa un <div class="cta">.
   Estas reglas se limitan a la sección para no arrastrar fondo/gradiente/overflow
   al contenedor de botones del header (que rompía el botón hamburguesa en móvil). */
section.cta{background:linear-gradient(120deg,#0074BC 0%,#0B6FAF 55%,#005A93 100%);color:#fff;position:relative;overflow:hidden}
section.cta::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:rgba(255,255,255,.07)}
section.cta .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:2}
section.cta h2{color:#fff}
section.cta p{color:#D9E8F5}
section.cta .sells{display:flex;gap:26px;margin-top:26px;font-size:13px;color:#CFE2F2;flex-wrap:wrap}
section.cta .sells b{color:#fff}
.form{background:#fff;border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.form h3{margin-bottom:18px;font-size:18px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:800;color:var(--ink-2);margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--line);border-radius:11px;padding:12px 14px;font:inherit;font-size:14.5px;
  color:var(--ink);background:#fff;outline:none;transition:border-color .18s ease, box-shadow .18s ease}
.field textarea{min-height:92px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(0,116,188,.12)}
.field .err{color:#C0392B;font-size:12px;font-weight:700;margin-top:6px;display:none}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:#E0A0A0}
.field.has-error .err{display:block}
.form .note{font-size:11.5px;color:#8494A4;margin-top:12px}
.form .ok{display:none;background:#EAF7EF;border:1px solid #BFE3CD;color:#1E6B3A;border-radius:12px;padding:12px 14px;
  font-size:13.5px;font-weight:700;margin-bottom:14px}
.form .ok.is-on{display:block}

/* ── Footer ──────────────────────────────────────────────── */
.footer{background:var(--ink);color:#C8D7E4;padding:62px 0 26px}
.footer .cols{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:36px}
.footer h4{color:#fff;font-size:12.5px;text-transform:uppercase;letter-spacing:.13em;margin:0 0 16px}
.footer .li{font-size:14px;margin-bottom:10px;color:#AFC3D5}
.footer a.li:hover{color:#fff}
.footer .brandbox{background:#fff;border-radius:14px;padding:8px 12px;display:inline-block}
.footer .brandbox img{height:78px;width:auto}
.footer .about{font-size:13.6px;color:#AFC3D5;margin-top:18px}
.footer .ruc{font-size:12.4px;color:#8FA6BC;margin-top:12px}
.footer .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;display:flex;
  justify-content:space-between;gap:12px;font-size:12.5px;color:#8FA6BC;flex-wrap:wrap}

/* ── Flotantes ───────────────────────────────────────────── */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:80;display:flex;align-items:center;gap:12px;
  background:#25D366;color:#fff;border-radius:999px;padding:12px 20px 12px 14px;font-weight:800;font-size:14.5px;
  box-shadow:0 14px 32px rgba(37,211,102,.42);transition:transform .2s ease, box-shadow .2s ease}
.wa-float:hover{transform:translateY(-3px) scale(1.02)}
.wa-float svg{width:28px;height:28px;flex:0 0 28px}
.wa-float::before{content:"";position:absolute;left:0;top:0;width:100%;height:100%;border-radius:999px;
  background:#25D366;opacity:.55;animation:pulse 2.4s ease-out infinite;z-index:-1}
@keyframes pulse{0%{transform:scale(1);opacity:.5}70%{transform:scale(1.22);opacity:0}100%{opacity:0}}
.wa-float .tip{position:absolute;right:100%;margin-right:12px;background:#10243A;color:#fff;font-size:12.5px;
  font-weight:700;padding:8px 12px;border-radius:10px;white-space:nowrap;opacity:0;transform:translateX(6px);
  transition:all .2s ease;pointer-events:none}
.wa-float:hover .tip{opacity:1;transform:none}
.wa-float.is-mini{padding:14px;border-radius:50%}
.wa-float.is-mini .label{display:none}

.to-top{position:fixed;right:26px;bottom:104px;z-index:79;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--primary);display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:all .22s ease;font-size:18px}
.to-top.is-on{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--primary-xl)}

/* ── Modal servicio + lightbox ───────────────────────────── */
.modal{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:24px;
  background:rgba(16,36,58,.6);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .22s ease}
.modal.is-open{opacity:1;pointer-events:auto}
.modal .box{background:#fff;border-radius:20px;max-width:640px;width:100%;max-height:88vh;overflow:auto;
  padding:30px;box-shadow:var(--shadow);transform:translateY(10px);transition:transform .24s ease}
.modal.is-open .box{transform:none}
.modal .box h3{font-size:24px;margin-bottom:10px}
.modal .box ul{margin:18px 0 0;padding-left:0;list-style:none;display:grid;gap:10px}
.modal .box li{display:flex;gap:10px;font-size:14.6px;color:var(--ink-2)}
.modal .box li::before{content:"✓";color:var(--primary);font-weight:900}
.modal .close{position:absolute;top:26px;right:26px;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:18px;color:var(--ink-2)}
.lightbox .box{padding:0;background:transparent;box-shadow:none;max-width:1000px}
.lightbox img{border-radius:16px;width:100%;box-shadow:var(--shadow)}
.lightbox .cap{color:#fff;text-align:center;margin-top:14px;font-weight:700;font-size:14px}

/* ── Animaciones de entrada ──────────────────────────────── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}

/* ── Demo banner ─────────────────────────────────────────── */
.demo-note{background:var(--accent-l);border-bottom:1px solid #E8DC6A;color:#5C4B00;font-size:12.5px;font-weight:700;
  text-align:center;padding:7px 14px}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width:1080px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .trust .wrap{grid-template-columns:repeat(2,1fr);gap:18px}
  .trust .item{border-left:0;padding:4px 0}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .zones{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:920px){
  .topbar .wrap{justify-content:center}
  .topbar .tb-right{display:none}
  .nav{display:none}
  .burger{display:flex}
  .brand img{height:58px!important}
  .hero .wrap,.split,section.cta .wrap{grid-template-columns:1fr;gap:34px;padding-top:40px;padding-bottom:48px}
  .hero-media .shot{aspect-ratio:4/3}
  .sec{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:30px}
  .grid-3,.grid-2,.gallery{grid-template-columns:1fr}
  .gal.wide{grid-column:auto;aspect-ratio:4/3}
  .split-media{aspect-ratio:16/10}
  .footer .cols{grid-template-columns:1fr}
  .footer .brandbox img{height:64px!important}
  .wa-float{right:14px;bottom:14px}
  .to-top{right:20px;bottom:96px}
}
@media (max-width:560px){
  .wrap{padding:0 18px}
  .hero-sells{gap:14px;font-size:12.8px}
  .row-2{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-cta .btn,section.cta .btn{width:100%}
  .demo-note{font-size:11.5px}
}