:root{
  --primary:#0f766e; --primary-dark:#0d5c56; --accent:#f97316;
  --ink:#0f172a; --mut:#64748b; --line:#e2e8f0; --bg:#f8fafc;
  --whatsapp:#25d366;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;margin:0 0 10px}
h1{font-size:2.1rem}
h2{font-size:1.5rem}
.eyebrow{color:var(--primary);font-weight:700;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;margin:0 0 8px}
.section{padding:56px 0}
.section-alt{background:var(--bg)}
.section-h{margin-bottom:6px}
.section-sub{color:var(--mut);margin-bottom:16px}
.center{text-align:center}

.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:.95rem;border:none;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-accent{background:var(--accent);color:#fff}
.btn-whatsapp{background:var(--whatsapp);color:#fff}
.btn-block{display:flex;justify-content:center;width:100%}

/* Header */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:16px}
.brand-logo{font-weight:900;font-size:1.25rem;color:var(--ink)}
.brand-logo span{color:var(--primary)}
.nav{display:flex;align-items:center;gap:22px}
.nav a{color:var(--ink);font-weight:600;font-size:.92rem}
.nav a.btn{color:#fff}
.header-actions{display:flex;gap:10px}
.hamburger{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer}
@media (max-width:860px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;border-bottom:1px solid var(--line);gap:14px}
  .nav.open{display:flex}
  .hamburger{display:block}
  .header-actions{display:none}
}

/* Hero */
.hero{background:linear-gradient(180deg,#f0fdfa,#fff);padding:50px 0}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:36px;align-items:center}
@media (max-width:860px){.hero-grid{grid-template-columns:minmax(0,1fr)}}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.badge-pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:600}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.hero-highlights{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}
.hero-highlight{background:var(--bg);border-radius:12px;padding:12px;font-weight:700;font-size:.9rem;text-align:center}

/* Grids / cards */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:860px){.grid-2,.grid-3{grid-template-columns:minmax(0,1fr)}}
@media (max-width:640px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 4px 14px rgba(15,23,42,.04)}
.service-card-img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:12px;margin-bottom:12px;background:var(--bg)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:20px}
@media (max-width:640px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center;font-size:.9rem;font-weight:600}
.step-num{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 10px}

/* Form */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:640px){.form-grid{grid-template-columns:minmax(0,1fr)}}
.field label{display:block;font-size:.82rem;font-weight:700;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:.95rem;font-family:inherit}
.alert{padding:12px 14px;border-radius:10px;font-size:.9rem;margin-bottom:14px}
.alert-ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line);padding:12px 0}
.faq-item summary{font-weight:700;cursor:pointer}
.faq-item p{color:var(--mut);margin:8px 0 0}

/* Footer */
.site-footer{background:#0f172a;color:#cbd5e1;padding:44px 0 24px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr);gap:28px}
@media (max-width:860px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.site-footer h4{color:#fff;font-size:.9rem;margin-bottom:12px}
.site-footer a{color:#94a3b8;font-size:.88rem;display:block;margin-bottom:8px}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid #1e293b;margin-top:28px;padding-top:18px;font-size:.8rem;color:#64748b;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* Sticky mobile call + WhatsApp bar — safe-area-aware */
.sticky-cta{display:none}
@media (max-width:860px){
  .sticky-cta{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;gap:1px;padding-bottom:env(safe-area-inset-bottom,0px);box-shadow:0 -4px 14px rgba(0,0,0,.12)}
  .sticky-call,.sticky-whatsapp{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 10px;font-weight:800;color:#fff}
  .sticky-call{background:var(--primary)}
  .sticky-whatsapp{background:var(--whatsapp)}
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom,0px))}
}

/* Brand popup — fixed, non-modal, no backdrop, no close button by
   design so it never blocks normal page use. */
.brand-popup{
  position:fixed; right:18px; bottom:18px; z-index:70;
  width:300px; max-width:calc(100vw - 36px);
  background:#fff; border:1px solid var(--line); border-radius:16px;
  box-shadow:0 10px 34px rgba(15,23,42,.18); padding:0 0 16px; overflow:hidden;
  animation:popIn .25s ease-out;
}
.brand-popup[hidden]{display:none}
.brand-popup-image{width:100%;aspect-ratio:480/320;object-fit:cover;background:var(--bg)}
.brand-popup-title{font-weight:800;font-size:.98rem;margin:14px 16px 0}
.brand-popup-sub{color:var(--mut);font-size:.85rem;margin:6px 16px 14px}
.brand-popup-call{font-size:.9rem;padding:12px 16px;margin:0 16px;width:calc(100% - 32px)}
@keyframes popIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media (max-width:860px){
  .brand-popup{left:12px;right:12px;bottom:calc(70px + env(safe-area-inset-bottom,0px));width:auto;max-width:none}
}

/* AI Assistant widget */
.assistant-fab{
  position:fixed; left:18px; bottom:18px; z-index:71;
  display:flex; align-items:center; gap:8px;
  background:var(--ink); color:#fff; border:none; border-radius:999px;
  padding:10px 16px 10px 10px; font-weight:700; font-size:.82rem; cursor:pointer;
  box-shadow:0 8px 24px rgba(0,0,0,.22);
  max-width:calc(100vw - 36px);
  transition:background .2s;
}
.assistant-fab[hidden]{display:none}
.assistant-avatar{font-size:1.3rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.15);border-radius:50%;flex-shrink:0}
.assistant-fab-active{background:var(--primary)}
.assistant-fab-listening{background:#dc2626;animation:assistantPulse 1.2s ease-in-out infinite}
.assistant-fab-speaking{background:var(--primary)}
@keyframes assistantPulse{0%,100%{box-shadow:0 8px 24px rgba(220,38,38,.3)}50%{box-shadow:0 8px 24px rgba(220,38,38,.6)}}
@media (max-width:860px){
  .assistant-fab{bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  .assistant-fab-label{display:none}
}

.assistant-panel{
  position:fixed; left:12px; right:12px; bottom:18px; z-index:90;
  max-width:380px; margin:0 auto;
  background:#fff; border:1px solid var(--line); border-radius:18px;
  box-shadow:0 20px 50px rgba(0,0,0,.25);
  display:flex; flex-direction:column; max-height:70vh;
  padding-bottom:env(safe-area-inset-bottom,0px);
}
.assistant-panel[hidden]{display:none}
.assistant-panel-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);font-weight:800}
.assistant-panel-title{flex:1}
.assistant-close{background:none;border:none;font-size:1.3rem;cursor:pointer;color:var(--mut)}
.assistant-messages{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:10px;min-height:120px}
.assistant-msg{max-width:85%;padding:9px 13px;border-radius:14px;font-size:.9rem;white-space:pre-wrap}
.assistant-msg-bot{background:var(--bg);align-self:flex-start;border-bottom-left-radius:4px}
.assistant-msg-user{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.assistant-status-row{display:flex;justify-content:space-between;align-items:center;padding:0 16px;min-height:18px;gap:8px}
.assistant-status{font-size:.78rem;color:var(--primary);font-weight:600}
.assistant-voice-indicator{font-size:.7rem;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.assistant-text-form{display:flex;gap:8px;padding:10px 16px}
.assistant-text-form input{flex:1;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:.9rem}
.assistant-controls{padding:0 16px 14px}
.assistant-mic-btn{width:100%;padding:10px;border-radius:10px;border:1px solid var(--line);background:var(--bg);font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}

@media (prefers-reduced-motion: reduce){
  .brand-popup,.assistant-panel{animation:none}
}