/* =========================================================
   ZENAU.AI — Design tokens & shared components
   Concepto: sastrería técnica (moldes + planos de ingeniería)
   ========================================================= */

:root{
  --paper: #ece6d9;
  --paper-dark: #ded5c0;
  --ink: #201f1b;
  --ink-soft: #4a473f;
  --thread-blue: #33465c;
  --thread-rust: #a64b2a;
  --line: #c9bfa9;
  --white: #f8f6f1;
  --radius: 2px;
  --ok: #3d6b4a;
}

*{box-sizing:border-box; margin:0; padding:0;}

html{scroll-behavior:smooth;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important; transition:none !important;}
}

body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  line-height:1.55;
  background-image:
    repeating-linear-gradient(0deg, rgba(51,70,92,0.06) 0px, rgba(51,70,92,0.06) 1px, transparent 1px, transparent 100px),
    repeating-linear-gradient(90deg, rgba(51,70,92,0.06) 0px, rgba(51,70,92,0.06) 1px, transparent 1px, transparent 100px);
  min-height:100vh;
}

a{color:inherit; text-decoration:none;}

.wrap{max-width:1120px; margin:0 auto; padding:0 28px;}
.wrap-narrow{max-width:720px; margin:0 auto; padding:0 28px;}

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--thread-rust);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:22px; height:1px;
  background:var(--thread-rust);
  display:inline-block;
}

h1,h2,h3{
  font-family:'Bricolage Grotesque', sans-serif;
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--ink);
}

/* ---------- HEADER ---------- */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(236,230,217,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 0;
}
.logo{
  font-family:'IBM Plex Mono', monospace;
  font-weight:500;
  font-size:17px;
  letter-spacing:-0.02em;
}
.logo span{color:var(--thread-rust);}
.nav-links{display:flex; gap:28px; font-size:14px; font-weight:500;}
.nav-links a{opacity:0.75; transition:opacity 0.2s;}
.nav-links a:hover{opacity:1;}
.nav-cta{
  font-family:'IBM Plex Mono', monospace;
  font-size:13px;
  background:var(--ink);
  color:var(--white);
  padding:9px 16px;
  border-radius:var(--radius);
}

/* ---------- MEASURING TAPE DIVIDER (signature element) ---------- */
.tape{
  height:34px;
  display:flex; align-items:flex-end;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--paper-dark);
}
.tape-inner{
  display:flex; align-items:flex-end;
  width:100%;
  padding:0 28px;
}
.tick{
  flex:1;
  border-left:1px solid rgba(32,31,27,0.25);
  height:10px;
  position:relative;
}
.tick.major{height:18px; border-left:1px solid rgba(32,31,27,0.5);}
.tick.major span{
  position:absolute; bottom:20px; left:2px;
  font-family:'IBM Plex Mono', monospace;
  font-size:9px;
  color:var(--ink-soft);
}

/* ---------- HERO ---------- */
.hero{padding:88px 0 64px;}
.hero .eyebrow{margin-bottom:22px;}
.hero h1{
  font-size:clamp(34px, 5.4vw, 60px);
  line-height:1.06;
  max-width:15ch;
  margin-bottom:26px;
}
.hero h1 em{
  font-style:normal;
  color:var(--thread-blue);
  text-decoration:underline;
  text-decoration-color:var(--thread-rust);
  text-decoration-thickness:3px;
  text-underline-offset:6px;
}
.hero p.lead{
  font-size:18px;
  color:var(--ink-soft);
  max-width:52ch;
  margin-bottom:36px;
}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap;}
.btn{
  font-family:'IBM Plex Mono', monospace;
  font-size:14px;
  padding:14px 24px;
  border-radius:var(--radius);
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid var(--ink);
  transition:transform 0.15s ease, background 0.15s ease;
  cursor:pointer;
  background:transparent;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--thread-blue); color:var(--white); border-color:var(--thread-blue);}
.btn-primary:hover{background:#293849;}
.btn-ghost{background:transparent; color:var(--ink);}
.btn-ghost:hover{background:var(--paper-dark);}
.btn:disabled{opacity:0.35; cursor:not-allowed; transform:none;}

/* ---------- PHILOSOPHY ---------- */
.philosophy{padding:72px 0;}
.philosophy .grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px;}
.philosophy h2{font-size:clamp(26px,3.4vw,38px); line-height:1.14; margin-bottom:6px;}
.philosophy .col-right p{color:var(--ink-soft); margin-bottom:16px; font-size:16px;}
.philosophy .col-right p:last-child{margin-bottom:0;}
.philosophy strong{color:var(--ink); font-weight:600;}

/* ---------- SERVICIOS ---------- */
.services{padding:72px 0;}
.section-head{margin-bottom:44px; max-width:60ch;}
.section-head h2{font-size:clamp(26px,3.4vw,38px); margin-top:10px;}
.service-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.service-card{background:var(--paper); padding:32px;}
.service-num{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  color:var(--thread-rust);
  letter-spacing:0.06em;
  margin-bottom:14px;
  display:block;
}
.service-card h3{font-size:21px; margin-bottom:10px;}
.service-card p{color:var(--ink-soft); font-size:15px;}

/* ---------- PARA QUIEN ---------- */
.audience{padding:72px 0;}
.audience-list{display:grid; grid-template-columns:repeat(2,1fr); gap:0; border-top:1px solid var(--line);}
.audience-item{
  padding:22px 4px; border-bottom:1px solid var(--line);
  display:flex; align-items:baseline; gap:14px; font-size:16px;
}
.audience-item:nth-child(odd){border-right:1px solid var(--line); padding-right:24px;}
.audience-item:nth-child(even){padding-left:24px;}
.audience-mark{font-family:'IBM Plex Mono', monospace; color:var(--thread-blue); font-size:13px;}

/* ---------- PROCESO ---------- */
.process{padding:72px 0;}
.process-list{border-top:1px solid var(--line);}
.process-item{
  display:grid; grid-template-columns:90px 1fr; gap:24px;
  padding:26px 0; border-bottom:1px solid var(--line);
}
.process-num{font-family:'IBM Plex Mono', monospace; font-size:26px; color:var(--thread-rust); font-weight:500;}
.process-item h3{font-size:19px; margin-bottom:6px;}
.process-item p{color:var(--ink-soft); font-size:15px; max-width:60ch;}

/* ---------- MANIFESTO ---------- */
.manifesto{padding:80px 0; background:var(--ink); color:var(--white);}
.manifesto .eyebrow{color:#e8a37e;}
.manifesto .eyebrow::before{background:#e8a37e;}
.manifesto h2{color:var(--white); font-size:clamp(26px,3.6vw,40px); line-height:1.18; max-width:22ch; margin:16px 0 40px;}
.manifesto-list{display:grid; grid-template-columns:repeat(2,1fr); gap:20px 40px;}
.manifesto-list li{list-style:none; padding-left:22px; position:relative; font-size:15.5px; color:#d8d3c6;}
.manifesto-list li::before{content:'—'; position:absolute; left:0; top:0; color:#e8a37e;}

/* ---------- CTA FINAL ---------- */
.cta-final{padding:88px 0; text-align:center;}
.cta-final h2{font-size:clamp(28px,4.2vw,46px); max-width:18ch; margin:0 auto 16px;}
.cta-final p{color:var(--ink-soft); font-size:17px; max-width:48ch; margin:0 auto 36px;}
.cta-final .hero-ctas{justify-content:center;}

/* ---------- FOOTER ---------- */
footer{padding:40px 0; border-top:1px solid var(--line);}
.footer-inner{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;}
.footer-links{display:flex; gap:22px; font-size:14px;}
.footer-links a{opacity:0.7; transition:opacity 0.2s;}
.footer-links a:hover{opacity:1;}
.footer-note{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--ink-soft);}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--thread-blue);
  outline-offset:3px;
}

/* =========================================================
   DIAGNÓSTICO — formulario multi-paso tipo Typeform
   ========================================================= */
.diag-shell{
  min-height:calc(100vh - 71px);
  display:flex; flex-direction:column;
}
.diag-progress{
  height:6px; background:var(--paper-dark); position:relative; overflow:hidden;
}
.diag-progress-bar{
  height:100%; background:var(--thread-rust); width:0%;
  transition:width 0.35s ease;
}
.diag-body{
  flex:1;
  display:flex; align-items:center;
  padding:56px 0 40px;
}
.diag-step{display:none;}
.diag-step.active{display:block; animation:fadeUp 0.4s ease;}
@keyframes fadeUp{
  from{opacity:0; transform:translateY(10px);}
  to{opacity:1; transform:translateY(0);}
}
.diag-count{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px; color:var(--thread-blue);
  margin-bottom:18px; letter-spacing:0.06em;
}
.diag-step h2{
  font-size:clamp(24px,3.6vw,34px);
  line-height:1.22;
  max-width:20ch;
  margin-bottom:32px;
}
.diag-options{display:flex; flex-direction:column; gap:10px; max-width:520px;}
.diag-option{
  text-align:left;
  padding:16px 20px;
  border:1px solid var(--line);
  background:var(--white);
  border-radius:var(--radius);
  font-size:15.5px;
  font-family:'Inter', sans-serif;
  cursor:pointer;
  transition:border-color 0.15s ease, background 0.15s ease;
  display:flex; align-items:center; justify-content:space-between;
}
.diag-option:hover{border-color:var(--thread-blue);}
.diag-option.selected{border-color:var(--thread-blue); background:#e4e9ee;}
.diag-option .mono{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--ink-soft);}

.diag-slider-wrap{max-width:520px;}
.diag-slider-labels{
  display:flex; justify-content:space-between;
  font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--ink-soft);
  margin-bottom:10px;
}
.diag-slider-value{
  font-family:'Bricolage Grotesque', sans-serif;
  font-size:52px; font-weight:800; color:var(--thread-rust);
  margin-bottom:14px;
}
input[type="range"]{
  width:100%; height:4px; -webkit-appearance:none; appearance:none;
  background:var(--line); border-radius:2px; outline:none;
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none;
  width:22px; height:22px; border-radius:50%;
  background:var(--thread-blue); border:3px solid var(--white);
  box-shadow:0 0 0 1px var(--thread-blue);
  cursor:pointer;
}
input[type="range"]::-moz-range-thumb{
  width:22px; height:22px; border-radius:50%;
  background:var(--thread-blue); border:3px solid var(--white);
  box-shadow:0 0 0 1px var(--thread-blue);
  cursor:pointer;
}

.diag-field{max-width:420px; margin-bottom:16px;}
.diag-field label{
  display:block; font-family:'IBM Plex Mono', monospace; font-size:12px;
  color:var(--ink-soft); margin-bottom:8px; letter-spacing:0.04em;
}
.diag-field input{
  width:100%; padding:14px 16px; font-size:16px; font-family:'Inter', sans-serif;
  border:1px solid var(--line); border-radius:var(--radius); background:var(--white); color:var(--ink);
}

.diag-nav{display:flex; align-items:center; gap:14px; margin-top:36px;}
.diag-back{
  font-family:'IBM Plex Mono', monospace; font-size:13px; color:var(--ink-soft);
  background:none; border:none; cursor:pointer;
}
.diag-back:hover{color:var(--ink);}
.diag-hint{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--ink-soft); margin-top:14px;}

.diag-summary{
  border:1px solid var(--line); background:var(--paper-dark);
  padding:22px; border-radius:var(--radius); margin-bottom:28px; max-width:520px;
}
.diag-summary-title{font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--thread-rust); letter-spacing:0.08em; text-transform:uppercase; margin-bottom:12px;}
.diag-summary-row{display:flex; justify-content:space-between; gap:16px; font-size:14px; padding:6px 0; border-bottom:1px dashed var(--line);}
.diag-summary-row:last-child{border-bottom:none;}
.diag-summary-row .k{color:var(--ink-soft);}
.diag-summary-row .v{font-weight:600; text-align:right;}

/* =========================================================
   AGENTE FLOTANTE (widget.js)
   ========================================================= */
.zw-launcher{
  position:fixed; bottom:22px; right:22px; z-index:200;
  background:var(--ink); color:var(--white);
  font-family:'IBM Plex Mono', monospace; font-size:13px;
  padding:14px 20px; border-radius:30px;
  display:flex; align-items:center; gap:10px;
  box-shadow:0 8px 24px rgba(32,31,27,0.25);
  border:none; cursor:pointer;
  transition:transform 0.15s ease;
}
.zw-launcher:hover{transform:translateY(-2px);}
.zw-dot{width:8px; height:8px; border-radius:50%; background:#7fd39a; box-shadow:0 0 0 3px rgba(127,211,154,0.25);}

.zw-panel{
  position:fixed; bottom:22px; right:22px; z-index:210;
  width:340px; max-width:calc(100vw - 32px);
  height:460px; max-height:calc(100vh - 100px);
  background:var(--paper); border:1px solid var(--line);
  border-radius:6px; box-shadow:0 20px 48px rgba(32,31,27,0.3);
  display:none; flex-direction:column; overflow:hidden;
}
.zw-panel.open{display:flex;}
.zw-head{
  background:var(--ink); color:var(--white); padding:16px 18px;
  display:flex; align-items:center; justify-content:space-between;
  font-family:'IBM Plex Mono', monospace; font-size:13px;
}
.zw-head-title{display:flex; align-items:center; gap:8px;}
.zw-close{background:none; border:none; color:var(--white); opacity:0.7; cursor:pointer; font-size:16px;}
.zw-close:hover{opacity:1;}
.zw-body{
  flex:1; overflow-y:auto; padding:16px; display:flex; flex-direction:column; gap:10px;
  background-image:
    repeating-linear-gradient(0deg, rgba(51,70,92,0.05) 0px, rgba(51,70,92,0.05) 1px, transparent 1px, transparent 60px);
}
.zw-msg{max-width:85%; padding:10px 13px; border-radius:8px; font-size:14px; line-height:1.4;}
.zw-msg.bot{background:var(--white); border:1px solid var(--line); align-self:flex-start; border-bottom-left-radius:2px;}
.zw-msg.user{background:var(--thread-blue); color:var(--white); align-self:flex-end; border-bottom-right-radius:2px;}
.zw-quick{display:flex; flex-wrap:wrap; gap:8px; margin-top:4px;}
.zw-quick button{
  font-family:'Inter', sans-serif; font-size:13px;
  background:var(--white); border:1px solid var(--thread-blue); color:var(--thread-blue);
  padding:8px 12px; border-radius:20px; cursor:pointer; transition:background 0.15s ease;
}
.zw-quick button:hover{background:#e4e9ee;}
.zw-quick button:disabled{opacity:0.5; cursor:default;}
.zw-typing{color:var(--ink-soft); letter-spacing:2px;}
.zw-input-row{
  display:flex; gap:8px; padding:10px 12px; border-top:1px solid var(--line); background:var(--white);
}
.zw-input-row input{
  flex:1; border:1px solid var(--line); border-radius:20px; padding:8px 14px;
  font-family:'Inter', sans-serif; font-size:13px; outline:none;
}
.zw-input-row input:focus{border-color:var(--thread-blue);}
.zw-input-row button{
  background:var(--ink); color:var(--white); border:none; border-radius:50%;
  width:34px; height:34px; cursor:pointer; font-size:15px; flex-shrink:0;
}
.zw-input-row button:hover{opacity:0.85;}
.zw-contact-form{display:flex; flex-direction:column; gap:6px; width:100%;}
.zw-contact-form input{
  border:1px solid var(--line); border-radius:6px; padding:8px 10px;
  font-family:'Inter', sans-serif; font-size:13px; outline:none;
}
.zw-contact-form input:focus{border-color:var(--thread-blue);}
.zw-contact-form button{
  background:#33465c; color:#fff; border:none; border-radius:20px;
  padding:8px 14px; font-family:'Inter', sans-serif; font-size:13px; cursor:pointer;
}
.zw-contact-form button:hover{opacity:0.9;}
.zw-foot{
  padding:12px; border-top:1px solid var(--line); background:var(--paper-dark);
  font-family:'IBM Plex Mono', monospace; font-size:10.5px; color:var(--ink-soft); text-align:center;
}

@media (max-width:760px){
  .nav-links{display:none;}
  .philosophy .grid{grid-template-columns:1fr; gap:28px;}
  .service-grid{grid-template-columns:1fr;}
  .audience-list{grid-template-columns:1fr;}
  .audience-item:nth-child(odd){border-right:none; padding-right:4px;}
  .audience-item:nth-child(even){padding-left:4px;}
  .manifesto-list{grid-template-columns:1fr;}
  .process-item{grid-template-columns:50px 1fr;}
  .process-num{font-size:20px;}
  .tick.major span{display:none;}
  .zw-panel{right:16px; bottom:86px; width:calc(100vw - 32px);}
  .zw-launcher{right:16px; bottom:16px;}
}

/* =========================================================
   AGREGADOS 2026-07-03 — logo con marca SVG, micro-nota de
   CTA, ejemplos por servicio, galería de trabajos y FAQ
   ========================================================= */

.logo{display:flex; align-items:center; gap:9px;}
.logo-mark{width:23px; height:23px; flex-shrink:0;}
.logo-mark circle{
  fill:none;
  stroke:var(--ink);
  stroke-width:2.6;
  stroke-linecap:round;
}

.cta-note{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--ink-soft); margin-top:16px;}

.service-ex{font-family:'IBM Plex Mono', monospace; font-size:12.5px; line-height:1.6; margin-top:14px;}

/* ---------- TRABAJOS ---------- */
.works{padding:72px 0;}
.works-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.work-card{background:var(--paper); display:flex; flex-direction:column;}
.work-card img{display:block; width:100%; aspect-ratio:3/2; object-fit:cover; border-bottom:1px solid var(--line);}
.work-body{padding:24px; flex:1; display:flex; flex-direction:column;}
.work-num{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--thread-rust); letter-spacing:0.06em; margin-bottom:12px; display:block;}
.work-card h3{font-size:19px; margin-bottom:14px;}
.work-label{font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.08em; text-transform:uppercase; color:var(--thread-blue); margin-bottom:4px;}
.work-card p{color:var(--ink-soft); font-size:14.5px; margin-bottom:14px;}
.work-result{font-family:'IBM Plex Mono', monospace; font-size:12.5px; line-height:1.6; color:var(--ink); margin-top:auto;}

/* ---------- FAQ ---------- */
.faq{padding:72px 0;}
.faq-list{border-top:1px solid var(--line); max-width:820px;}
.faq-item{padding:26px 0; border-bottom:1px solid var(--line);}
.faq-item h3{font-size:19px; margin-bottom:8px;}
.faq-item p{color:var(--ink-soft); font-size:15px; max-width:70ch;}

@media (max-width:760px){
  .works-grid{grid-template-columns:1fr;}
}