/* =========================================================
   DANTAS ELEVADORES — design tokens
   Color: charcoal + signal red + steel + warm off-white + hazard amber
   Type:  Archivo Black (display) / Barlow (body) / IBM Plex Mono (data)
   Signature: elevator floor-indicator hero + shaft guide-rail scroll marker
   ========================================================= */

:root{
  --black:        #1c1c1e;
  --charcoal:     #2b2b2e;
  --red:          #e2241a;
  --red-dim:      #b91d15;
  --steel:        #52565c;
  --steel-light:  #8b8f96;
  --grey-panel:   #eceae6;
  --white:        #faf9f7;
  --amber:        #ffb400;

  --font-display: sans-serif;
  --font-body:    'Barlow', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --header-h: 84px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--white);
  color:var(--black);
  font-family:var(--font-body);
  line-height:1.5;
  overflow-x:hidden;
  cursor:none;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; border:none; background:none; cursor:none; }
ul{ list-style:none; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- custom cursor ---------- */
.cursor-dot, .cursor-ring{
  position:fixed; top:0; left:0; pointer-events:none; z-index:9999;
  border-radius:50%;
  transform:translate(-50%,-50%);
  will-change:transform;
}
.cursor-dot{
  width:6px; height:6px; background:var(--red);
  transition:opacity .2s;
}
.cursor-ring{
  width:34px; height:34px;
  border:1.5px solid rgba(28,28,30,.35);
  transition:width .25s var(--ease), height .25s var(--ease), border-color .25s var(--ease), opacity .25s var(--ease), background .25s var(--ease);
}
.cursor-ring.is-link{ width:54px; height:54px; border-color:var(--red); background:rgba(226,36,26,.08); }
.cursor-ring.is-card{ width:70px; height:70px; border-color:rgba(28,28,30,.5); background:rgba(28,28,30,.04); }
@media (hover:none), (pointer:coarse){
  .cursor-dot,.cursor-ring{ display:none; }
  body{ cursor:auto; }
  button, a{ cursor:pointer; }
}

/* ---------- shaft guide-rail (scroll progress) ---------- */
.rail{
  position:fixed; left:28px; top:50%; transform:translateY(-50%);
  height:280px; width:20px; z-index:40;
  display:flex; align-items:center; justify-content:center;
}
.rail-track{
  position:absolute; top:0; bottom:0; left:50%; width:2px;
  background:linear-gradient(var(--steel-light), var(--steel-light));
  opacity:.35; transform:translateX(-50%);
}
.rail-car{
  position:absolute; left:50%; top:0;
  width:14px; height:14px; border-radius:3px;
  background:var(--red);
  transform:translate(-50%,0);
  transition:top .12s linear;
  box-shadow:0 0 0 3px rgba(226,36,26,.15);
}
.rail-floor{
  position:absolute; left:50%; top:calc(var(--pos) * 33.333%);
  transform:translate(-50%,-50%);
  width:20px; height:20px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:9px; font-weight:600;
  color:var(--steel); background:var(--white);
  border:1.5px solid var(--steel-light);
  pointer-events:none;
}
@media (max-width: 980px){ .rail{ display:none; } }

/* ---------- header ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  height:var(--header-h);
  background:rgba(250,249,247,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:height .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.site-header.scrolled{
  height:64px;
  box-shadow:0 6px 24px rgba(0,0,0,.08);
  border-color:rgba(0,0,0,.06);
}
.header-inner{
  max-width:1240px; margin:0 auto; height:100%;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 32px;
}
.brand-logo{ height:44px; transition:height .3s var(--ease); }
.site-header.scrolled .brand-logo{ height:36px; }
.main-nav{ display:flex; gap:36px; }
.main-nav a{
  font-family:var(--font-mono); font-size:13px; font-weight:500;
  letter-spacing:.04em; text-transform:uppercase;
  position:relative; padding:6px 0; color:var(--black);
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--red); transition:width .25s var(--ease);
}
.main-nav a:hover::after{ width:100%; }
.header-cta{ display:inline-flex; }
@media (max-width: 760px){
  .main-nav{ display:none; }
  .header-inner{ padding:0 20px; }
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-weight:600; font-size:13px;
  letter-spacing:.04em; text-transform:uppercase;
  padding:15px 28px; border-radius:2px;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.btn-primary{
  background:var(--red); color:var(--white);
  box-shadow:0 4px 0 var(--red-dim);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 6px 0 var(--red-dim); }
.btn-primary:active{ transform:translateY(0); box-shadow:0 2px 0 var(--red-dim); }
.btn-outline{
  border:1.5px solid var(--black); color:var(--black);
}
.btn-outline:hover{ background:var(--black); color:var(--white); }
.btn-ghost{
  border:1.5px solid var(--red); color:var(--red);
  padding:10px 20px;
}
.btn-ghost:hover{ background:var(--red); color:var(--white); }

/* ---------- reveal on scroll ---------- */
.reveal{
  opacity:0; transform:translateY(28px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex; flex-direction:column; align-items:flex-start; justify-content:center;
  padding:calc(var(--header-h) + 40px) 32px 80px;
  max-width:1240px; margin:0 auto;
  overflow:hidden;
}
.floor-display{
  display:flex; align-items:center; gap:14px; margin-bottom:36px;
}
.fd-screen{
  background:var(--black); color:var(--amber);
  font-family:var(--font-mono); font-size:28px; font-weight:600;
  padding:10px 18px; border-radius:4px; letter-spacing:.05em;
  display:flex; align-items:center; gap:10px;
  box-shadow:inset 0 0 12px rgba(0,0,0,.5);
  min-width:76px; justify-content:center;
}
.fd-arrow{ font-size:16px; animation:pulse-arrow 1.1s infinite; }
@keyframes pulse-arrow{ 0%,100%{opacity:.3;} 50%{opacity:1;} }
.fd-label{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--steel);
}
.hero-title{
  font-family:var(--font-display); font-weight:400;
  font-size:clamp(2.6rem, 6vw, 5.2rem);
  line-height:1.02; letter-spacing:-.01em;
  max-width:16ch;
}
.hero-title .accent{ color:var(--red); }
.hero-sub{
  margin-top:26px; max-width:46ch; font-size:1.15rem; color:var(--steel);
}
.hero-actions{ margin-top:40px; display:flex; gap:18px; flex-wrap:wrap; }

/* ---------- credentials ---------- */
.credentials{
  background:var(--black); color:var(--white);
  padding:64px 32px;
}
.credentials-inner{
  max-width:1240px; margin:0 auto;
  display:flex; align-items:center; gap:56px;
}
.stamp{ flex:0 0 auto; }
.stamp-svg{ width:120px; height:120px; }
.stamp-ring{ fill:none; stroke:var(--red); stroke-width:2; }
.stamp-ring-inner{ fill:none; stroke:var(--red); stroke-width:1; opacity:.6; }
.stamp-text-top, .stamp-text-bottom{
  fill:var(--white); font-family:var(--font-mono); font-size:9px;
  text-anchor:middle; letter-spacing:.05em;
}
.credentials-copy{ max-width:640px; }
.eyebrow{
  display:inline-block; font-family:var(--font-mono); font-size:12px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--red);
  margin-bottom:14px;
}
.eyebrow--light{ color:var(--amber); }
.credentials-copy h2{
  font-family:var(--font-display); font-weight:400;
  font-size:clamp(1.6rem,3vw,2.2rem); line-height:1.2;
}
.credentials-copy strong{ color:var(--red); }
.crea-number{
  font-family:var(--font-mono); font-size:.95rem; color:var(--amber);
  margin:10px 0 18px;
}
.credentials-copy p:last-child{ color:var(--steel-light); font-size:1rem; max-width:56ch; }
@media (max-width: 760px){
  .credentials-inner{ flex-direction:column; text-align:center; gap:28px; }
}

/* ---------- services / control panel ---------- */
.services{ padding:120px 32px; max-width:1240px; margin:0 auto; }
.services-head{ margin-bottom:56px; max-width:60ch; }
.services-head h2{
  font-family:var(--font-display); font-weight:400;
  font-size:clamp(2rem,4vw,3rem); margin-top:10px;
}
.panel-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
}
.panel-btn{
  position:relative;
  text-align:left;
  background:var(--grey-panel);
  border:1.5px solid transparent;
  border-radius:6px;
  padding:28px 26px 26px;
  display:flex; flex-direction:column; gap:14px;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.panel-btn:hover{
  transform:translateY(-6px);
  box-shadow:0 18px 34px rgba(28,28,30,.14);
  border-color:var(--red);
  background:var(--white);
}
.panel-btn--wide{ grid-column:span 2; }
.panel-btn-num{
  font-family:var(--font-mono); font-size:12px; color:var(--steel-light);
  letter-spacing:.05em;
}
.panel-icon{ width:36px; height:36px; color:var(--red); }
.panel-title{
  font-family:var(--font-body); font-weight:700; font-size:1.15rem;
}
.panel-desc{ color:var(--red); font-size:.95rem; }
@media (max-width: 900px){
  .panel-grid{ grid-template-columns:repeat(2,1fr); }
  .panel-btn--wide{ grid-column:span 2; }
}
@media (max-width: 600px){
  .panel-grid{ grid-template-columns:1fr; }
  .panel-btn--wide{ grid-column:span 1; }
}

/* ---------- contact ---------- */
.contact{ background:var(--red); color:var(--white); padding:100px 32px; }
.contact-inner{
  max-width:1240px; margin:0 auto;
  display:grid; grid-template-columns:1.15fr .85fr; gap:70px;
}
.contact-form h2{
  font-family:var(--font-display); font-weight:400;
  font-size:clamp(1.8rem,3.4vw,2.6rem); margin:8px 0 30px;
}
.field{ margin-bottom:18px; }
.field label{
  display:block; font-family:var(--font-mono); font-size:12px;
  letter-spacing:.06em; text-transform:uppercase; margin-bottom:8px;
  color:rgba(255,255,255,.85);
}
.field input, .field textarea{
  width:100%; background:rgba(255,255,255,.08);
  border:1.5px solid rgba(255,255,255,.35);
  border-radius:2px; padding:13px 14px;
  color:var(--white); font-family:var(--font-body); font-size:1rem;
  transition:border-color .2s, background .2s;
}
.field input::placeholder, .field textarea::placeholder{ color:rgba(255,255,255,.5); }
.field input:focus, .field textarea:focus{
  outline:none; border-color:var(--white); background:rgba(255,255,255,.14);
}
.contact-form .btn-primary{
  background:var(--black); box-shadow:0 4px 0 #000;
}
.form-note{ margin-top:14px; font-family:var(--font-mono); font-size:.85rem; min-height:1.2em; }

.contact-info{ display:flex; flex-direction:column; gap:30px; justify-content:center; }
.info-block{ display:flex; flex-direction:column; gap:6px; }
.info-label{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.06em;
  text-transform:uppercase; color:rgba(255,255,255,.75);
}
.info-value{
  font-family:var(--font-display); font-weight:400; font-size:1.5rem;
  transition:opacity .2s;
}
.info-value--static{ font-family:var(--font-body); font-weight:700; font-size:1.15rem; }
a.info-value:hover{ opacity:.75; }
.info-value--phone{ display:inline-flex; align-items:center; gap:12px; }
.whatsapp-icon{ width:28px; height:28px; flex:0 0 auto; color:var(--white); }
@media (max-width: 860px){
  .contact-inner{ grid-template-columns:1fr; gap:48px; }
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--black); color:var(--steel-light);
  text-align:center; padding:26px 20px;
  font-family:var(--font-mono); font-size:12px; letter-spacing:.03em;
}