/* Roman Ortiz Construcciones — demo TuPaginaYa */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

:root{
  --carbon:#1B1815;
  --carbon2:#252019;
  --ladrillo:#C1502E;
  --ladrillo-d:#9C3E22;
  --crema:#F3ECE0;
  --papel:#FAF6EF;
  --acero:#8B8378;
  --ink:#1B1815;
  --muted:#665F55;
  --wa:#25D366;
  --ease:cubic-bezier(.23,1,.32,1);
  --radius:14px;
}

body{
  font-family:"Work Sans",system-ui,sans-serif;
  color:var(--ink);
  background:var(--papel);
  overflow-x:hidden;
  line-height:1.5;
}

.container{max-width:1180px;margin:0 auto;padding:0 24px}
img{display:block;max-width:100%}
a{color:inherit}
ul{list-style:none}

.display{font-family:"Bebas Neue",system-ui,sans-serif;letter-spacing:.01em}

/* ---------- reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1!important;transform:none!important;transition:none!important}
  *{animation:none!important}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:"Work Sans";font-weight:700;font-size:15px;text-decoration:none;
  padding:14px 24px;border-radius:10px;border:none;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .25s var(--ease)}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--wa);color:#04210f;box-shadow:0 14px 30px -12px rgba(37,211,102,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px -12px rgba(37,211,102,.65)}
.btn-glass{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(4px)}
.btn-glass:hover{background:rgba(255,255,255,.16)}
.btn-nav{background:var(--ladrillo);color:#fff;padding:10px 18px;font-size:14px;box-shadow:0 10px 22px -10px rgba(193,80,46,.6)}
.btn-nav:hover{background:var(--ladrillo-d)}
.btn-amber{background:var(--ladrillo);color:#fff;box-shadow:0 16px 34px -14px rgba(193,80,46,.6)}
.btn-amber:hover{transform:translateY(-2px)}
.btn-whatsapp-xl{background:var(--wa);color:#04210f;font-size:18px;padding:18px 34px;border-radius:14px;box-shadow:0 20px 44px -16px rgba(37,211,102,.55)}
.btn-whatsapp-xl:hover{transform:translateY(-3px)}
.btn-block{width:100%}
.btn-dark{background:var(--carbon);color:#fff}
.btn-sm{padding:9px 16px;font-size:13.5px}

/* ---------- navbar ---------- */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;
  transition:background .3s,padding .3s,box-shadow .3s}
.navbar.scrolled{background:rgba(250,246,239,.92);backdrop-filter:blur(10px);
  padding:10px 0;box-shadow:0 4px 24px -8px rgba(0,0,0,.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:#fff}
.navbar.scrolled .brand{color:var(--ink)}
.brand-seal{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;
  border:2px solid currentColor;font-family:"Bebas Neue";font-size:16px;letter-spacing:.03em;
  flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:"Bebas Neue";font-size:17px;letter-spacing:.02em}
.brand-sub{font-size:10px;letter-spacing:.12em;text-transform:uppercase;opacity:.7}
.nav-links{display:flex;gap:28px;font-size:14.5px;font-weight:600;color:#fff}
.navbar.scrolled .nav-links{color:var(--ink)}
.nav-links a{text-decoration:none;opacity:.9;transition:opacity .2s}
.nav-links a:hover{opacity:1}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:#fff;transition:.3s}
.navbar.scrolled .nav-toggle span{background:var(--ink)}

@media (max-width:900px){
  .nav-links{position:fixed;top:0;right:0;height:100dvh;width:min(78vw,320px);
    background:var(--carbon);color:#fff;flex-direction:column;justify-content:center;
    align-items:flex-start;padding:32px;gap:26px;font-size:19px;
    transform:translateX(100%);transition:transform .35s var(--ease);z-index:99}
  .nav-links.open{transform:translateX(0)}
  .nav-toggle{display:flex}
  .btn-nav{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;
  justify-content:flex-end;overflow:hidden;color:#fff;padding-bottom:64px}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-scrim{position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(0deg,rgba(20,17,14,.92) 0%,rgba(20,17,14,.55) 42%,rgba(20,17,14,.25) 68%,rgba(20,17,14,.15) 100%),
    linear-gradient(100deg,rgba(20,17,14,.5) 0%,transparent 55%)}
.hero-content{position:relative;z-index:2;padding-top:120px}
.hero-title{margin-bottom:18px}
.ht-line{display:block;font-family:"Bebas Neue";font-weight:400;font-size:clamp(38px,7.6vw,78px);
  line-height:1.02;letter-spacing:.01em}
.ht-accent{color:var(--ladrillo)}
.hero-sub{max-width:46ch;font-size:16.5px;color:#e7e2d8;line-height:1.65;margin-bottom:28px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;font-weight:600;color:#d8d2c6}
.hero-trust li{display:flex;align-items:center;gap:8px}
.hero-trust li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ladrillo);flex-shrink:0}

.worktag{position:absolute;top:100px;right:28px;z-index:3;background:var(--papel);color:var(--ink);
  padding:12px 18px 12px 30px;border-radius:3px;box-shadow:0 14px 34px -10px rgba(0,0,0,.55);
  transform:rotate(3deg);display:flex;flex-direction:column;gap:2px;
  border:1px dashed var(--acero)}
.worktag-hole{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:8px;height:8px;
  border-radius:50%;background:var(--papel);box-shadow:inset 0 0 0 1.5px var(--acero), -14px 0 0 -6px var(--carbon)}
.worktag-line{font-family:"JetBrains Mono";font-size:10.5px;letter-spacing:.1em;font-weight:600;color:var(--ladrillo-d)}
.worktag-num{font-family:"JetBrains Mono";font-size:11.5px;font-weight:500;color:var(--muted)}
@media (max-width:640px){.worktag{display:none}}

.scroll-cue{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);z-index:2;
  width:26px;height:42px;border:2px solid rgba(255,255,255,.6);border-radius:20px}
.scroll-cue span{position:absolute;top:7px;left:50%;transform:translateX(-50%);width:4px;height:8px;
  background:#fff;border-radius:2px;animation:cue 1.6s infinite}
@keyframes cue{0%{opacity:1;top:7px}70%{opacity:0;top:22px}100%{opacity:0;top:7px}}

/* ---------- section heads ---------- */
.sec-head{max-width:640px;margin-bottom:50px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{display:inline-block;font-family:"JetBrains Mono";font-size:12px;letter-spacing:.08em;
  color:var(--ladrillo-d);font-weight:600;text-transform:uppercase;margin-bottom:14px}
.kicker.light{color:#e8b195}
.sec-title{font-family:"Bebas Neue";font-weight:400;font-size:clamp(30px,5vw,48px);line-height:1.06;
  letter-spacing:.01em;margin-bottom:16px}
.sec-title.light{color:#fff}
.sec-title .hl{color:var(--ladrillo)}
.sec-title .hl-amber{color:var(--ladrillo)}
.sec-lead{color:var(--muted);font-size:16px;line-height:1.65}
.sec-lead.light{color:#cfc8ba}

section{padding:96px 0}
@media (max-width:768px){section{padding:68px 0}}

/* ---------- servicios ---------- */
.serv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:1000px){.serv-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.serv-grid{grid-template-columns:1fr}}
.serv-card{background:var(--crema);border-radius:var(--radius);padding:30px 26px;
  border:1px solid rgba(27,24,21,.06);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.serv-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -20px rgba(27,24,21,.25)}
.serv-icon{width:48px;height:48px;border-radius:10px;background:var(--carbon);color:var(--ladrillo);
  display:grid;place-items:center;margin-bottom:18px}
.serv-icon svg{width:24px;height:24px}
.serv-card h3{font-family:"Bebas Neue";font-size:22px;font-weight:400;letter-spacing:.01em;margin-bottom:8px}
.serv-card p{color:var(--muted);font-size:14.5px;line-height:1.6;margin-bottom:16px}
.serv-link{font-weight:700;font-size:14px;color:var(--ladrillo-d);text-decoration:none}
.serv-link:hover{text-decoration:underline}

/* ---------- trabajos en video ---------- */
.trabajos{background:var(--carbon);position:relative}
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:1000px){.video-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.video-grid{grid-template-columns:1fr}}
.video-card{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:3/4;
  background:#000;box-shadow:0 18px 40px -18px rgba(0,0,0,.6)}
.video-card video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.88;transition:transform .5s var(--ease),opacity .3s}
.video-card:hover video{transform:scale(1.05);opacity:1}
.video-card::after{content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(0,0,0,.85) 0%,rgba(0,0,0,.15) 45%,transparent 65%)}
.video-card figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:16px;
  display:flex;flex-direction:column;gap:8px}
.vc-tag{font-family:"Bebas Neue";font-size:20px;color:#fff;letter-spacing:.01em}
.vc-link{font-size:12.5px;font-weight:700;color:#e8b195;text-decoration:none;width:fit-content}
.vc-link:hover{text-decoration:underline}
.video-note{margin-top:22px;font-size:12.5px;color:#a89f8f;text-align:center}

/* ---------- proceso ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{padding:26px 22px;border-radius:var(--radius);background:var(--crema);position:relative}
.step-num{font-family:"Bebas Neue";font-size:38px;color:var(--ladrillo);display:block;margin-bottom:10px;letter-spacing:.02em}
.step h3{font-family:"Bebas Neue";font-size:19px;font-weight:400;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;line-height:1.55}

/* ---------- cotizador ---------- */
.cotizador{position:relative;color:#fff;padding:0}
.cotizador-bg{position:absolute;inset:0;overflow:hidden}
.cotizador-bg img{width:100%;height:100%;object-fit:cover}
.cotizador-scrim{position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,17,14,.94) 30%,rgba(20,17,14,.68) 75%)}
.cot-inner{position:relative;padding:96px 24px}
.cot-content{max-width:600px}
.cot-lead{color:#d8d2c6;font-size:15.5px;margin-bottom:30px}
.cot-form{display:flex;flex-direction:column;gap:22px}
.cot-field label{display:block;font-size:13px;font-weight:700;letter-spacing:.03em;
  text-transform:uppercase;color:#e8b195;margin-bottom:10px}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:10px 16px;border-radius:999px;border:1.5px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:.2s}
.chip:hover{background:rgba(255,255,255,.14)}
.chip.active{background:var(--ladrillo);border-color:var(--ladrillo)}
.cot-field input[type=text]{width:100%;padding:13px 16px;border-radius:10px;border:1.5px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.06);color:#fff;font-family:inherit;font-size:14.5px}
.cot-field input::placeholder{color:#a89f8f}

/* ---------- testimonios ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:900px){.testi-grid{grid-template-columns:1fr}}
.testi-card{background:var(--crema);border-radius:var(--radius);padding:28px;border:1px solid rgba(27,24,21,.06)}
.stars{color:var(--ladrillo);letter-spacing:2px;margin-bottom:12px;font-size:15px}
.testi-card p{font-size:15px;line-height:1.6;margin-bottom:20px;font-style:italic}
.testi-card footer{display:flex;align-items:center;gap:12px}
.av{width:38px;height:38px;border-radius:50%;background:var(--carbon);color:#fff;display:grid;
  place-items:center;font-family:"Bebas Neue";font-size:14px;flex-shrink:0}
.meta{display:flex;flex-direction:column;font-size:13px}
.meta strong{font-size:14px}
.meta em{font-style:normal;color:var(--muted)}

/* ---------- CTA ---------- */
.cta{background:var(--carbon);color:#fff;text-align:center}
.cta-inner h2{font-family:"Bebas Neue";font-weight:400;font-size:clamp(28px,5vw,46px);
  line-height:1.08;margin-bottom:16px}
.cta-inner p{color:#cfc8ba;font-size:16px;margin-bottom:32px}

/* ---------- contacto ---------- */
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media (max-width:900px){.contact-inner{grid-template-columns:1fr;gap:40px}}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.contact-row{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:12px;
  background:var(--crema);text-decoration:none;color:var(--ink);transition:.2s}
.contact-row:hover{background:#ece3d3}
.cr-ico{width:38px;height:38px;border-radius:50%;background:var(--carbon);color:var(--ladrillo);
  display:grid;place-items:center;flex-shrink:0}
.cr-txt{display:flex;flex-direction:column;font-size:13.5px}
.cr-txt strong{font-size:14.5px}

.contact-form{background:var(--crema);border-radius:16px;padding:32px;display:flex;flex-direction:column;gap:18px}
.field label,.field-row label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:9px;
  border:1.5px solid rgba(27,24,21,.15);background:#fff;font-family:inherit;font-size:14.5px;color:var(--ink)}
.field textarea{resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:480px){.field-row{grid-template-columns:1fr}}
.form-note{font-size:12px;color:var(--muted);text-align:center}

/* ---------- footer ---------- */
.footer{background:var(--carbon);color:#cfc8ba;padding-top:64px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.08)}
@media (max-width:768px){.footer-inner{grid-template-columns:1fr;gap:30px}}
.footer .brand{color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.6;max-width:38ch}
.footer-col h4{font-family:"Bebas Neue";font-weight:400;font-size:16px;letter-spacing:.03em;
  color:#fff;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{text-decoration:none;font-size:13.5px;color:#cfc8ba;transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{padding:22px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-size:12.5px;color:#8f8779}
.credit strong{color:#cfc8ba}

/* ---------- WhatsApp float ---------- */
.wa-float{position:fixed;bottom:22px;right:22px;z-index:90;width:58px;height:58px;border-radius:50%;
  background:var(--wa);display:grid;place-items:center;box-shadow:0 14px 30px -10px rgba(37,211,102,.6)}
.wa-pulse{position:absolute;inset:0;border-radius:50%;border:2px solid var(--wa);animation:wap 2s infinite}
@keyframes wap{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.7);opacity:0}}