/* ============================================================
   WANX AI
   Palette: ink #0A0F0E · panel #101614 · line rgba(233,240,236,.09)
            paper #E9F0EC · muted #7C8A83 · signal #4ED9C0 · amber #E8A33D
   Type: Archivo (display) · Inter (body) · IBM Plex Mono (data)
   ============================================================ */

:root{
  --ink: #0A0F0E;
  --ink-2: #0D1311;
  --panel: #101614;
  --panel-2: #151C19;
  --line: rgba(233,240,236,0.09);
  --line-strong: rgba(233,240,236,0.18);

  --paper: #E9F0EC;
  --paper-dim: #B9C4BE;
  --muted: #7C8A83;
  --muted-dim: #4E5A54;

  --signal: #4ED9C0;
  --signal-dim: rgba(78,217,192,0.14);
  --amber: #E8A33D;
  --amber-dim: rgba(232,163,61,0.14);
  --bad: #E8735A;

  --display: 'Archivo', 'Inter', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --container: 1120px;
  --edge: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(.16,.8,.24,1);
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; background:var(--ink); }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

::selection{ background:var(--signal); color:var(--ink); }
a{ color:inherit; text-decoration:none; }
ul, ol{ list-style:none; }
img{ max-width:100%; display:block; }
:focus-visible{ outline:2px solid var(--signal); outline-offset:3px; }

/* ============================= NAV ============================= */
.nav{
  position:sticky; top:0; z-index:100;
  background:rgba(10,15,14,0.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--container); margin:0 auto; padding:18px var(--edge);
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.nav-mark{ font-family:var(--display); font-weight:700; font-size:18px; color:var(--paper); }
.nav-links{ display:flex; gap:32px; }
.nav-links a{ font-size:14.5px; color:var(--muted); transition:color .2s ease; }
.nav-links a:hover{ color:var(--paper); }
.nav-cta{
  font-size:14px; font-weight:600; color:var(--ink);
  background:var(--signal); padding:9px 16px; border-radius:3px;
  transition: background .2s ease, transform .2s ease;
}
.nav-cta:hover{ background:#6EE6D1; transform:translateY(-1px); }

.nav-toggle{ display:none; flex-direction:column; justify-content:center; gap:5px; width:34px; height:34px; background:none; border:none; cursor:pointer; }
.nav-toggle span{ display:block; width:20px; height:1.5px; background:var(--paper); }
.nav-mobile{ display:none; flex-direction:column; gap:2px; background:var(--panel); border-top:1px solid var(--line); padding:8px var(--edge) 18px; }
.nav-mobile a{ font-size:15px; color:var(--paper-dim); padding:12px 0; border-bottom:1px solid var(--line); }
.nav.is-open .nav-mobile{ display:flex; }
@media (max-width:760px){
  .nav-links, .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ============================= HERO ============================= */
.hero{ padding:96px var(--edge) 0; }
.hero-inner{ max-width:var(--container); margin:0 auto; }
.hero-title{
  font-family:var(--display); font-weight:700;
  font-size:clamp(34px, 5.2vw, 58px);
  line-height:1.08; letter-spacing:-0.01em;
  max-width:820px; margin-bottom:24px;
}
.hero-desc{
  max-width:620px; color:var(--paper-dim); font-size:17px; line-height:1.7;
  margin-bottom:36px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:64px; }

.btn{
  font-size:14.5px; font-weight:600; padding:13px 22px; border-radius:3px;
  display:inline-flex; align-items:center; transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn-primary{ background:var(--signal); color:var(--ink); }
.btn-primary:hover{ background:#6EE6D1; transform:translateY(-2px); }
.btn-ghost{ border:1px solid var(--line-strong); color:var(--paper); }
.btn-ghost:hover{ border-color:var(--signal); color:var(--signal); transform:translateY(-2px); }

/* ledger */
.ledger{
  max-width:var(--container); margin:0 auto; padding:32px var(--edge) 56px;
  border-top:1px solid var(--line);
}
.ledger-caption{ font-family:var(--mono); font-size:12.5px; color:var(--muted); margin:24px 0 18px; }
.ledger-row{
  display:flex; align-items:baseline; gap:14px;
  padding:14px 0; border-bottom:1px solid var(--line);
}
.ledger-label{ font-size:15px; color:var(--paper-dim); flex-shrink:0; max-width:56%; }
.ledger-fill{ flex:1; border-bottom:1px dashed var(--line-strong); transform:translateY(-5px); }
.ledger-value{ font-family:var(--mono); font-size:19px; font-weight:600; flex-shrink:0; }
.ledger-value--bad{ color:var(--bad); }
.ledger-value--good{ color:var(--signal); }
.ledger-note{ font-size:13.5px; color:var(--muted); margin-top:16px; }
.ledger-note a{ color:var(--signal); border-bottom:1px solid rgba(78,217,192,0.4); }
@media (max-width:640px){
  .ledger-label{ max-width:100%; }
  .ledger-row{ flex-wrap:wrap; }
  .ledger-fill{ display:none; }
}

/* ============================= PROOF STRIP ============================= */
.proof{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--ink-2); }
.proof-inner{
  max-width:var(--container); margin:0 auto; padding:44px var(--edge);
  display:grid; grid-template-columns:repeat(4,1fr); gap:32px;
}
.proof-item{ display:flex; flex-direction:column; }
.proof-num{ font-family:var(--mono); font-weight:600; font-size:clamp(26px,3.4vw,34px); color:var(--signal); }
.proof-label{ margin-top:8px; font-size:13px; color:var(--muted); line-height:1.55; }
@media (max-width:900px){ .proof-inner{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:480px){ .proof-inner{ grid-template-columns:1fr; gap:24px; } }

/* ============================= SECTION HEAD ============================= */
.section-head{ max-width:var(--container); margin:0 auto; padding:0 var(--edge); }
.section-title{
  font-family:var(--display); font-weight:700;
  font-size:clamp(26px,3.6vw,38px); letter-spacing:-0.01em; max-width:600px;
}
.section-sub{ color:var(--muted); max-width:460px; margin-top:12px; font-size:15px; }

/* ============================= SERVICES ============================= */
.services{ padding:96px 0 100px; }
.service-list{
  max-width:var(--container); margin:52px auto 0; padding:0 var(--edge);
  display:flex; flex-direction:column;
}
.service{ padding:32px 0; border-top:1px solid var(--line); display:grid; grid-template-columns:220px 1fr; gap:32px; }
.service:last-child{ border-bottom:1px solid var(--line); }
.service-title{ font-family:var(--display); font-weight:600; font-size:21px; }
.service-desc{ color:var(--paper-dim); font-size:15px; line-height:1.7; margin-bottom:10px; }
.service-proof{ font-family:var(--mono); font-size:12.5px; color:var(--signal); line-height:1.6; }
@media (max-width:760px){ .service{ grid-template-columns:1fr; gap:12px; } }

/* ============================= WORK ============================= */
.work{ padding:20px 0 110px; }
.case-grid{
  max-width:var(--container); margin:52px auto 0; padding:0 var(--edge);
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line);
}
.case{ background:var(--panel); padding:36px; display:flex; flex-direction:column; }
.case--feature{ grid-column:1/-1; }
.case-top{ display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:16px; flex-wrap:wrap; }
.case-tag{ font-family:var(--mono); font-size:11px; color:var(--amber); background:var(--amber-dim); padding:5px 10px; border-radius:3px; }
.case-link{ font-family:var(--mono); font-size:12px; color:var(--signal); border-bottom:1px solid transparent; }
.case-link:hover{ border-bottom-color:var(--signal); }
.case-title{ font-family:var(--display); font-weight:600; font-size:21px; margin-bottom:12px; }
.case-desc{ color:var(--paper-dim); font-size:14.5px; line-height:1.7; margin-bottom:16px; }
.case-points{ display:flex; flex-direction:column; gap:10px; }
.case-points li{ font-size:14px; color:var(--paper-dim); line-height:1.7; padding-left:16px; position:relative; }
.case-points li::before{ content:''; position:absolute; left:0; top:8px; width:4px; height:4px; background:var(--signal); }
.case-points li strong{ color:var(--paper); font-weight:600; }
@media (max-width:800px){ .case-grid{ grid-template-columns:1fr; } }

/* ============================= PARTNERS ============================= */
.partners{ padding:20px 0 110px; }
.partner-list{
  max-width:var(--container); margin:52px auto 0; padding:0 var(--edge);
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line);
}
.partner{ background:var(--panel); padding:32px; }
.partner-top{ display:flex; align-items:baseline; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom:12px; }
.partner-name{ font-family:var(--display); font-weight:600; font-size:19px; }
.partner-link{ font-family:var(--mono); font-size:12px; color:var(--signal); border-bottom:1px solid transparent; }
.partner-link:hover{ border-bottom-color:var(--signal); }
.partner-desc{ color:var(--paper-dim); font-size:14.5px; line-height:1.7; }
@media (max-width:760px){ .partner-list{ grid-template-columns:1fr; } }

/* ============================= APPROACH ============================= */
.approach{ padding:20px 0 110px; }
.approach-list{
  max-width:var(--container); margin:52px auto 0; padding:0 var(--edge);
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line);
}
.approach-step{ background:var(--panel); padding:28px; display:flex; flex-direction:column; gap:14px; }
.approach-index{ font-family:var(--mono); font-size:13px; color:var(--signal); }
.approach-step h3{ font-family:var(--display); font-weight:600; font-size:17px; }
.approach-step p{ font-size:14px; color:var(--paper-dim); line-height:1.65; }
@media (max-width:900px){ .approach-list{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .approach-list{ grid-template-columns:1fr; } }

/* ============================= ABOUT ============================= */
.about{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--ink-2); }
.about-inner{ max-width:760px; margin:0 auto; padding:64px var(--edge); }
.about-text{ font-size:18px; line-height:1.75; color:var(--paper-dim); }

/* ============================= CONTACT ============================= */
.contact{ padding:100px 0 110px; }
.contact-inner{
  max-width:var(--container); margin:0 auto; padding:0 var(--edge);
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start;
}
.contact-desc{ color:var(--muted); font-size:15px; line-height:1.75; margin-top:16px; max-width:440px; }
.contact-links{ display:flex; flex-direction:column; border-top:1px solid var(--line); }
.contact-link{ display:flex; align-items:center; justify-content:space-between; padding:18px 0; border-bottom:1px solid var(--line); transition:padding-left .2s ease; }
.contact-link:hover{ padding-left:8px; }
.contact-link:hover .contact-link-value{ color:var(--signal); }
.contact-link-label{ font-family:var(--mono); font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:.04em; }
.contact-link-value{ font-family:var(--display); font-size:16px; color:var(--paper); transition:color .2s ease; }
@media (max-width:760px){ .contact-inner{ grid-template-columns:1fr; gap:32px; } }

/* ============================= FOOTER ============================= */
.footer{
  max-width:var(--container); margin:0 auto; padding:28px var(--edge) 48px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  font-size:12.5px; color:var(--muted-dim);
}