:root{
  --red:#BF1E2E;
  --red-dark:#8f1622;
  --gray:#6D6E70;
  --gray-dark:#3d3d3f;
  --ink:#232324;
  --paper:#F5F5F4;
  --line:#dcdcda;
  --white:#ffffff;
  --stripe-a:#BF1E2E;
  --stripe-b:#1b1b1b;
  --radius:2px;
  --maxw:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Oswald',sans-serif;
  font-weight:600;
  line-height:1.08;
  margin:0 0 .5em;
  letter-spacing:.2px;
}
p{margin:0 0 1em;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
button{font-family:inherit;cursor:pointer;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}

/* signature motif: hazard stripe divider */
.stripe-bar{
  height:8px;
  background:repeating-linear-gradient(45deg,var(--stripe-a) 0 18px,var(--stripe-b) 18px 36px);
  width:100%;
}
.stripe-bar.thin{height:5px;}

/* ---------- HEADER ---------- */
header{
  position:sticky;top:0;z-index:500;
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 24px;max-width:var(--maxw);margin:0 auto;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:52px;width:auto;}
nav.mainnav{display:flex;gap:28px;align-items:center;}
nav.mainnav a{
  font-size:14.5px;font-weight:500;color:var(--gray-dark);
  padding:6px 0;border-bottom:2px solid transparent;
  transition:border-color .15s, color .15s;
}
nav.mainnav a:hover{color:var(--red);border-bottom-color:var(--red);}
.header-actions{display:flex;align-items:center;gap:14px;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius);
  font-weight:600;font-size:14.5px;border:2px solid transparent;
  transition:transform .12s ease, background .15s;
}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-dark);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-ghost{border-color:var(--line);color:var(--gray-dark);background:transparent;}
.btn-ghost:hover{border-color:var(--gray-dark);}
.btn-sm{padding:8px 16px;font-size:13.5px;}
.menu-toggle{display:none;background:none;border:none;padding:6px;}
.menu-toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:5px 0;}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  color:#fff;
  background-image:
    linear-gradient(rgba(20,20,21,.86),rgba(20,20,21,.92)),
    repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 42px);
}
.hero-inner{
  max-width:var(--maxw);margin:0 auto;padding:88px 24px 76px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.hero-tag{
  display:inline-block;font-size:13.5px;font-weight:600;color:var(--red);
  border:1px solid rgba(191,30,46,.5);padding:6px 14px;border-radius:var(--radius);
  margin-bottom:22px;background:rgba(191,30,46,.08);
}
.hero h1{font-size:clamp(34px,4.6vw,56px);color:#fff;max-width:14ch;}
.hero p.lead{font-size:18px;color:#d6d6d6;max-width:46ch;margin-bottom:30px;}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;}
.hero-stats div{border-left:3px solid var(--red);padding-left:14px;}
.hero-stats strong{display:block;font-family:'Oswald',sans-serif;font-size:30px;font-weight:600;}
.hero-stats span{font-size:13px;color:#b9b9b9;}

.hero-art{position:relative;display:flex;align-items:center;justify-content:center;}
.hero-art svg{width:100%;max-width:420px;height:auto;}
.plate{
  position:absolute;bottom:-6px;right:6px;background:#fff;color:var(--ink);
  padding:12px 16px;border-radius:var(--radius);font-size:12.5px;
  box-shadow:0 12px 28px rgba(0,0,0,.35);max-width:220px;
}
.plate strong{color:var(--red);}

/* ---------- SECTION GENERIC ---------- */
section{padding:76px 0;}
.section-head{max-width:640px;margin:0 0 44px;}
.section-head h2{font-size:clamp(26px,3vw,36px);}
.section-head p{color:var(--gray);font-size:16.5px;}
.section-alt{background:var(--paper);}

/* ---------- SERVICES ---------- */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.service-card{background:#fff;padding:32px 26px;display:flex;flex-direction:column;gap:12px;}
.service-icon{width:44px;height:44px;color:var(--red);}
.service-card h3{font-size:19px;}
.service-card p{color:var(--gray);font-size:14.5px;margin-bottom:6px;flex:1;}
.service-card a.link{font-size:14px;font-weight:600;color:var(--red);}
.service-card a.link:hover{text-decoration:underline;}
@media (max-width:980px){.services-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.services-grid{grid-template-columns:1fr;}}

/* ---------- RENTAL PLANS (spec plate style) ---------- */
.plans-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.plan-card{
  border:1px solid var(--line);background:#fff;padding:0;position:relative;
  display:flex;flex-direction:column;
}
.plan-card.featured{border-color:var(--red);}
.plan-head{padding:22px 22px 16px;border-bottom:1px dashed var(--line);}
.plan-head .months{font-family:'Oswald',sans-serif;font-size:38px;font-weight:600;color:var(--ink);}
.plan-head .months span{font-size:15px;font-weight:500;color:var(--gray);}
.plan-tagline{font-size:13px;color:var(--red);font-weight:600;margin-top:4px;}
.plan-body{padding:18px 22px 22px;flex:1;display:flex;flex-direction:column;gap:14px;}
.plan-body ul{margin:0;padding:0;list-style:none;font-size:14px;color:var(--gray-dark);display:flex;flex-direction:column;gap:8px;}
.plan-body li{padding-left:18px;position:relative;}
.plan-body li::before{content:"";position:absolute;left:0;top:7px;width:8px;height:8px;background:var(--red);}
.energy-tabs{display:flex;gap:8px;margin-bottom:28px;flex-wrap:wrap;}
.energy-tab{border:1px solid var(--line);background:#fff;padding:9px 18px;font-size:14px;font-weight:600;color:var(--gray-dark);}
.energy-tab.active{background:var(--ink);color:#fff;border-color:var(--ink);}
@media (max-width:980px){.plans-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.plans-grid{grid-template-columns:1fr;}}

/* ---------- COMPRA / CONSIGNADO / STEPS ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.steps{counter-reset:step;display:flex;flex-direction:column;gap:0;}
.step{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);}
.step:last-child{border-bottom:none;}
.step-num{
  counter-increment:step;font-family:'Oswald',sans-serif;font-weight:600;font-size:22px;color:var(--red);
  width:44px;height:44px;border:2px solid var(--red);display:flex;align-items:center;justify-content:center;
}
.step-num::before{content:counter(step);}
.step h4{font-size:16.5px;margin-bottom:4px;}
.step p{color:var(--gray);font-size:14.5px;margin:0;}
.info-box{background:var(--paper);border-left:4px solid var(--red);padding:22px 24px;font-size:14.5px;color:var(--gray-dark);}
.info-box strong{color:var(--ink);}
@media (max-width:860px){.two-col{grid-template-columns:1fr;}}

/* ---------- QUOTE FORM ---------- */
.quote-panel{
  background:var(--ink);color:#fff;border-radius:var(--radius);
  display:grid;grid-template-columns:1fr 1fr;overflow:hidden;
}
.quote-info{padding:44px;display:flex;flex-direction:column;justify-content:center;gap:16px;background:linear-gradient(160deg,#1b1b1c,var(--ink));}
.quote-info h2{color:#fff;font-size:28px;}
.quote-info p{color:#c9c9c9;}
.quote-info .whats-cta{display:flex;align-items:center;gap:12px;margin-top:10px;padding:16px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);}
.quote-info .whats-cta svg{width:26px;height:26px;color:#25D366;flex-shrink:0;}
.quote-form{padding:44px;background:#fff;color:var(--ink);}
.quote-form h3{font-size:20px;margin-bottom:4px;}
.quote-form .sub{color:var(--gray);font-size:13.5px;margin-bottom:20px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:inherit;font-size:14.5px;background:#fbfbfa;
}
.field textarea{resize:vertical;min-height:80px;}
.field input:focus,.field select:focus,.field textarea:focus,button:focus-visible,a:focus-visible{
  outline:2px solid var(--red);outline-offset:1px;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.form-msg{font-size:13.5px;padding:10px 12px;margin-top:10px;display:none;}
.form-msg.show{display:block;}
.form-msg.ok{background:#e9f7ee;color:#166534;border:1px solid #bbe7cb;}
@media (max-width:860px){.quote-panel{grid-template-columns:1fr;}.field-row{grid-template-columns:1fr;}}

/* ---------- BLOG / KNOWLEDGE BASE ---------- */
.kb-search{display:flex;gap:10px;margin-bottom:30px;max-width:560px;}
.kb-search input{
  flex:1;padding:13px 16px;border:1px solid var(--line);font-size:15px;font-family:inherit;border-radius:var(--radius);
}
.kb-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px;}
.kb-tag{border:1px solid var(--line);background:#fff;padding:7px 14px;font-size:13px;font-weight:600;color:var(--gray-dark);border-radius:20px;}
.kb-tag.active{background:var(--red);color:#fff;border-color:var(--red);}
.kb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.kb-card{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;cursor:pointer;transition:box-shadow .15s;}
.kb-card:hover{box-shadow:0 10px 24px rgba(0,0,0,.08);}
.kb-card .kb-cat{font-size:12px;font-weight:700;color:var(--red);padding:16px 20px 0;}
.kb-card h3{font-size:17px;padding:6px 20px 0;}
.kb-card p{font-size:13.8px;color:var(--gray);padding:0 20px 20px;flex:1;}
.kb-card .kb-read{font-size:13px;font-weight:600;padding:0 20px 18px;color:var(--ink);}
.kb-empty{color:var(--gray);font-size:14.5px;padding:30px 0;}
@media (max-width:980px){.kb-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.kb-grid{grid-template-columns:1fr;}.kb-search{flex-direction:column;}}

/* article modal */
.modal-overlay{
  position:fixed;inset:0;background:rgba(15,15,16,.6);z-index:1000;
  display:none;align-items:flex-start;justify-content:center;padding:5vh 20px;overflow-y:auto;
}
.modal-overlay.open{display:flex;}
.modal{background:#fff;max-width:720px;width:100%;border-radius:var(--radius);padding:0;margin-bottom:5vh;}
.modal-head{padding:30px 34px 0;}
.modal-close{position:absolute;top:16px;right:18px;background:none;border:none;font-size:26px;line-height:1;color:var(--gray);}
.modal-body{padding:14px 34px 34px;font-size:15.5px;color:var(--gray-dark);}
.modal-body h4{font-size:16.5px;margin-top:22px;}
.modal-body ul{padding-left:20px;}
.modal .kb-cat{font-size:12px;font-weight:700;color:var(--red);}
.modal h2{font-size:25px;margin-top:6px;}

/* ---------- AI ASSISTANT ---------- */
.ai-section{background:var(--ink);color:#fff;position:relative;}
.ai-inner{max-width:var(--maxw);margin:0 auto;padding:76px 24px;display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start;}
.ai-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#fff;background:rgba(191,30,46,.25);border:1px solid rgba(191,30,46,.5);padding:6px 14px;margin-bottom:20px;}
.ai-inner h2{color:#fff;font-size:32px;max-width:12ch;}
.ai-inner>div:first-child p{color:#c9c9c9;font-size:15.5px;}
.ai-feature{display:flex;gap:12px;margin-top:18px;}
.ai-feature svg{width:22px;height:22px;color:var(--red);flex-shrink:0;margin-top:2px;}
.ai-feature p{margin:0;font-size:14.5px;color:#d3d3d3;}
.chat-shell{background:#1c1c1d;border:1px solid #333;border-radius:var(--radius);display:flex;flex-direction:column;min-height:480px;overflow:hidden;}
.chat-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid #333;background:#161617;}
.chat-header .who{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;}
.chat-dot{width:9px;height:9px;border-radius:50%;background:#2ecc71;}
.usage-pill{font-size:12px;color:#aaa;border:1px solid #333;padding:4px 10px;border-radius:20px;}
.chat-body{flex:1;padding:18px;display:flex;flex-direction:column;gap:12px;overflow-y:auto;max-height:420px;}
.msg{max-width:82%;padding:11px 14px;font-size:14.3px;line-height:1.5;border-radius:var(--radius);}
.msg.bot{background:#2a2a2b;align-self:flex-start;color:#eaeaea;}
.msg.user{background:var(--red);align-self:flex-end;color:#fff;}
.msg.bot ul{margin:8px 0 0;padding-left:18px;}
.chat-inputbar{display:flex;gap:8px;padding:14px;border-top:1px solid #333;background:#161617;}
.chat-inputbar input{flex:1;background:#2a2a2b;border:1px solid #3a3a3b;color:#fff;padding:11px 13px;border-radius:var(--radius);font-family:inherit;font-size:14px;}
.chat-inputbar button{background:var(--red);color:#fff;border:none;padding:0 18px;border-radius:var(--radius);font-weight:600;}
.chat-inputbar button:disabled{background:#444;cursor:not-allowed;}
.chat-locked{padding:30px 22px;text-align:center;display:flex;flex-direction:column;gap:14px;align-items:center;flex:1;justify-content:center;}
.chat-locked svg{width:38px;height:38px;color:var(--red);}
.chat-locked p{color:#c9c9c9;font-size:14px;max-width:34ch;}
.mini-form{display:flex;flex-direction:column;gap:10px;width:100%;max-width:300px;}
.mini-form input{background:#2a2a2b;border:1px solid #3a3a3b;color:#fff;padding:11px 13px;border-radius:var(--radius);font-family:inherit;font-size:14px;}
.doc-btn{margin-top:8px;background:transparent;border:1px solid #3a3a3b;color:#ddd;padding:9px 14px;font-size:13px;border-radius:var(--radius);align-self:flex-start;}
.doc-btn:hover{border-color:var(--red);color:#fff;}

/* ---------- CTA STRIP ---------- */
.cta-strip{background:var(--red);color:#fff;padding:44px 0;text-align:center;}
.cta-strip h2{color:#fff;font-size:26px;}
.cta-strip .btn-outline{border-color:#fff;color:#fff;}
.cta-strip .btn-outline:hover{background:#fff;color:var(--red);}

/* ---------- FOOTER ---------- */
footer{background:#151516;color:#c9c9c9;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px;}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;font-size:14px;}
.footer-grid a:hover{color:#fff;}
.footer-brand img{height:44px;margin-bottom:14px;filter:brightness(0) invert(1);opacity:.92;}
.footer-brand p{font-size:13.8px;color:#9a9a9a;max-width:34ch;}
.footer-bottom{border-top:1px solid #2a2a2b;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.8px;color:#8a8a8a;}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- WHATSAPP FLOAT ---------- */
.wa-float{
  position:fixed;bottom:22px;right:22px;z-index:600;
  background:#25D366;color:#fff;width:58px;height:58px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(0,0,0,.28);
}
.wa-float svg{width:28px;height:28px;}

/* ---------- RESPONSIVE NAV ---------- */
@media (max-width:980px){
  nav.mainnav{position:fixed;top:78px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;
    padding:18px 24px 24px;border-bottom:1px solid var(--line);display:none;gap:6px;}
  nav.mainnav.open{display:flex;}
  .menu-toggle{display:block;}
  .header-actions .btn-ghost{display:none;}
  .hero-inner{grid-template-columns:1fr;}
  .hero-art{order:-1;max-width:280px;margin:0 auto;}
  .ai-inner{grid-template-columns:1fr;}
  .quote-panel{grid-template-columns:1fr;}
}