:root{
  --navy:#0B1220;
  --line-dark: rgba(201,205,211,0.14);
  --platinum:#C9CDD3;
  --paper:#FAFAF8;
  --paper-2:#F2F1ED;
  --line:#E2E0D8;
  --ink:#12182A;
  --ink-soft:#5B6272;
  --ink-faint:#8A8F9C;
  --brass:#93703A;
  --brass-soft:#B99A63;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  font-weight:400;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  font-size:15.5px;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 40px;
}
h1,h2,h3,h4{
  font-family:'Instrument Serif', serif;
  font-weight:400;
  letter-spacing:-0.01em;
  color:var(--ink);
}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex;
  align-items:center;
  gap:12px;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:1px;
  background:var(--brass);
  display:inline-block;
}
section{position:relative;}
/* ============ NAV ============ */
header.nav{
  position:fixed;
  top:0; left:0; right:0;
  z-index:1000;
  background:rgba(11,18,32,0.0);
  backdrop-filter:blur(0px);
  transition:background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}
header.nav.scrolled{
  background:rgba(11,18,32,0.94);
  backdrop-filter:blur(10px);
  box-shadow:0 1px 0 var(--line-dark);
}
.nav-inner{
  max-width:1180px;
  margin:0 auto;
  padding:22px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav-brand{
  display:flex;
  align-items:center;
  gap:16px;
}
.nav-brand img{height:48px; width:auto;}
.nav-brand .word{
  font-family:'Inter', sans-serif;
  font-size:19px;
  letter-spacing:0.05em;
  color:#fff;
  font-weight:600;
  text-transform:uppercase;
}
.nav-brand .word span{
  display:block;
  font-family:'IBM Plex Mono', monospace;
  font-size:10.5px;
  letter-spacing:0.2em;
  color:var(--platinum);
  font-weight:400;
  margin-top:4px;
  text-transform:uppercase;
}
nav.links{
  display:flex;
  align-items:center;
  gap:38px;
}
nav.links a{
  font-size:13px;
  color:var(--platinum);
  letter-spacing:0.02em;
  transition:color 0.25s ease;
}
nav.links a:hover{color:#fff;}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 24px;
  font-size:13px;
  letter-spacing:0.02em;
  border-radius:1px;
  transition:all 0.25s ease;
  cursor:pointer;
  border:1px solid transparent;
  white-space:nowrap;
  font-weight:500;
}
.btn-brass{ background:var(--brass); color:#fff; }
.btn-brass:hover{background:var(--brass-soft);}
.btn-outline{ border-color:rgba(255,255,255,0.3); color:#fff; }
.btn-outline:hover{border-color:#fff; background:rgba(255,255,255,0.05);}

.menu-toggle{display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none;}
.menu-toggle span{width:20px; height:1px; background:#fff;}

/* ============ HERO ============ */
.hero{
  background:var(--navy);
  min-height:92vh;
  display:flex;
  align-items:center;
  padding:150px 0 80px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  left:50%;
  top:0; bottom:0;
  width:1px;
  background:var(--line-dark);
  transform:translateX(-50%);
  opacity:0.5;
}
.hero-inner{
  display:grid;
  grid-template-columns:1fr 340px;
  gap:80px;
  align-items:end;
  position:relative;
  z-index:2;
}
.hero-logo{
  display:flex;
  align-items:center;
  gap:18px;
  margin-bottom:38px;
}
.hero-logo img{ height:72px; width:auto; }
.hero-word{
  font-family:'Inter', sans-serif;
  font-size:24px;
  font-weight:600;
  letter-spacing:0.04em;
  text-transform:uppercase;
  color:#fff;
  line-height:1.3;
}
.hero-word em{
  display:block;
  font-style:normal;
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  letter-spacing:0.24em;
  color:var(--platinum);
  text-transform:uppercase;
  font-weight:400;
  margin-top:2px;
}
.hero-eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--brass-soft);
  margin-bottom:30px;
  display:flex;
  align-items:center;
  gap:12px;
}
.hero-eyebrow::before{content:""; width:24px; height:1px; background:var(--brass-soft);}
.hero h1{
  color:#fff;
  font-size:clamp(42px, 6vw, 76px);
  line-height:1.02;
  font-weight:400;
  letter-spacing:-0.02em;
}
.hero h1 em{ font-style:italic; color:var(--platinum); }
.hero p.lead{
  margin-top:30px;
  font-size:16.5px;
  color:rgba(201,205,211,0.82);
  max-width:460px;
  font-weight:300;
  line-height:1.7;
}
.hero-cta{ margin-top:44px; display:flex; gap:14px; flex-wrap:wrap; }
.hero-side{ border-left:1px solid var(--line-dark); padding-left:36px; padding-bottom:6px; }
.hero-side .item{ padding:20px 0; border-bottom:1px solid var(--line-dark); }
.hero-side .item:first-child{padding-top:0;}
.hero-side .item b{
  display:block;
  font-family:'Instrument Serif', serif;
  font-size:28px;
  color:#fff;
  font-weight:400;
}
.hero-side .item span{ font-size:12px; color:var(--ink-faint); letter-spacing:0.02em; }

/* ============ PRINCIPIOS ============ */
.principios{ background:var(--paper); padding:130px 0 110px; border-bottom:1px solid var(--line); }
.principios-head{ max-width:680px; margin-bottom:80px; }
.principios-head h2{ font-size:clamp(30px,3.6vw,42px); margin-top:20px; line-height:1.2; font-weight:400; }
.principios-head p{ margin-top:22px; color:var(--ink-soft); font-size:16px; font-weight:300; max-width:580px; line-height:1.75; }
.pillars{ display:grid; grid-template-columns:repeat(3, 1fr); gap:56px; }
.pillar{ padding-top:26px; border-top:1px solid var(--ink); }
.pillar .label{ font-family:'IBM Plex Mono', monospace; font-size:11px; letter-spacing:0.14em; color:var(--brass); text-transform:uppercase; }
.pillar h3{ font-size:23px; margin-top:14px; font-weight:400; }
.pillar p{ margin-top:12px; font-size:14px; color:var(--ink-soft); font-weight:300; line-height:1.75; }

/* ============ SERVICIOS ============ */
.servicios{ background:var(--paper-2); padding:130px 0; }
.servicios-head{ max-width:720px; margin-bottom:60px; }
.servicios-head h2{ font-size:clamp(32px,3.8vw,46px); margin-top:20px; font-weight:400; line-height:1.15; }
.servicios-head p{ margin-top:20px; color:var(--ink-soft); font-size:15.5px; font-weight:300; max-width:600px; }

.ambito-nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:56px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.ambito-nav a{
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  letter-spacing:0.04em;
  color:var(--ink-soft);
  border:1px solid var(--line);
  padding:9px 16px;
  transition:all 0.2s ease;
}
.ambito-nav a:hover{ border-color:var(--brass); color:var(--brass); }

details.clause{ border-bottom:1px solid var(--line); }
details.clause[open]{background:rgba(255,255,255,0.5);}
details.clause summary{
  list-style:none;
  cursor:pointer;
  display:grid;
  grid-template-columns:56px 1fr 28px;
  align-items:center;
  gap:20px;
  padding:26px 4px;
  -webkit-tap-highlight-color:transparent;
}
details.clause summary::-webkit-details-marker{display:none;}
details.clause summary::marker{display:none; content:"";}
details.clause .num{ font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--brass); }
details.clause .title h4{ font-size:19px; font-family:'Instrument Serif', serif; font-weight:400; color:var(--ink); }
details.clause .title span{ display:block; font-size:12.5px; color:var(--ink-faint); margin-top:4px; font-weight:300; }
details.clause .toggle{
  width:26px; height:26px;
  border:1px solid var(--line);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  position:relative; flex-shrink:0;
  transition:transform 0.3s ease, border-color 0.3s ease;
}
details.clause .toggle::before, details.clause .toggle::after{ content:""; position:absolute; background:var(--ink); }
details.clause .toggle::before{width:9px; height:1px;}
details.clause .toggle::after{width:1px; height:9px;}
details.clause[open] .toggle{transform:rotate(45deg); border-color:var(--brass);}
details.clause[open] .toggle::before, details.clause[open] .toggle::after{background:var(--brass);}

.clause-body{ padding:0 4px 34px 76px; max-width:760px; }
.clause-body ul{ list-style:none; display:grid; gap:12px; }
.clause-body li{ font-size:14.5px; color:var(--ink-soft); font-weight:300; line-height:1.7; padding-left:18px; position:relative; }
.clause-body li::before{ content:""; position:absolute; left:0; top:9px; width:5px; height:1px; background:var(--brass); }
.clause-body .legal-basis{
  margin-top:22px; padding-top:16px; border-top:1px dashed var(--line);
  font-family:'IBM Plex Mono', monospace; font-size:11px; letter-spacing:0.03em; color:var(--ink-faint); line-height:1.8;
}
.clause-body .legal-basis b{
  color:var(--brass); font-weight:500; display:block; margin-bottom:4px;
  letter-spacing:0.1em; text-transform:uppercase; font-size:10px;
}

/* ============ EXPERTISE BAND ============ */
.expertise{ background:var(--navy); padding:130px 0; position:relative; }
.expertise-inner{ display:grid; grid-template-columns:1fr; gap:0; max-width:840px; }
.expertise blockquote{
  font-family:'Instrument Serif', serif; font-style:italic; font-weight:400;
  font-size:clamp(28px,3.4vw,42px); line-height:1.35; color:#fff;
}
.expertise blockquote strong{ font-style:normal; color:var(--brass-soft); font-family:'Inter', sans-serif; font-weight:600; }
.expertise-tags{ margin-top:48px; display:flex; flex-wrap:wrap; gap:10px; }
.expertise-tags span{
  font-family:'IBM Plex Mono', monospace; font-size:11px; letter-spacing:0.04em;
  color:var(--platinum); border:1px solid var(--line-dark); padding:8px 14px;
}

/* ============ CONTACTO ============ */
.contacto{ background:var(--paper); padding:130px 0; }
.contacto-inner{ display:grid; grid-template-columns:1fr 0.85fr; gap:80px; }
.contacto h2{ font-size:clamp(30px,3.6vw,42px); margin-top:20px; line-height:1.18; font-weight:400; }
.contacto p.lead{ margin-top:22px; color:var(--ink-soft); font-size:15.5px; font-weight:300; max-width:420px; }
.info-list{margin-top:50px;}
.info-row{ display:grid; grid-template-columns:24px 1fr; gap:18px; padding:22px 0; border-top:1px solid var(--line); }
.info-row:last-child{border-bottom:1px solid var(--line);}
.info-row svg{margin-top:3px;}
.info-row .t{font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--brass); font-family:'IBM Plex Mono', monospace;}
.info-row .d{margin-top:7px; font-size:15px; color:var(--ink); font-weight:400;}
.info-row .d small{display:block; font-size:12.5px; color:var(--ink-soft); font-weight:300; margin-top:3px;}

.card{ background:var(--navy); padding:52px 46px; position:relative; color:#fff; align-self:start; }
.card .eyebrow{color:var(--brass-soft);}
.card .eyebrow::before{background:var(--brass-soft);}
.card h3{ color:#fff; font-size:26px; margin-top:20px; font-weight:400; }
.card p{ margin-top:16px; font-size:14px; color:var(--platinum); font-weight:300; line-height:1.75; }
.card .cta-group{ margin-top:34px; display:flex; flex-direction:column; gap:12px; }
.card .btn{justify-content:center; width:100%;}
.card .fine{ margin-top:28px; font-size:11px; color:rgba(201,205,211,0.55); font-family:'IBM Plex Mono', monospace; letter-spacing:0.04em; }

/* ============ FOOTER ============ */
footer{ background:var(--navy); border-top:1px solid var(--line-dark); padding:60px 0 34px; }
.footer-inner{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:36px; }
.footer-brand{display:flex; align-items:center; gap:14px;}
.footer-brand img{height:38px;}
.footer-brand .word{font-family:'Inter', sans-serif; color:#fff; font-size:16px; letter-spacing:0.05em; text-transform:uppercase; font-weight:600;}
.footer-cols{display:flex; gap:76px; flex-wrap:wrap;}
.footer-col .t{font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.14em; text-transform:uppercase; color:var(--brass-soft); margin-bottom:16px;}
.footer-col a, .footer-col span{display:block; font-size:13px; color:var(--platinum); margin-bottom:10px; font-weight:300;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:54px; padding-top:26px; border-top:1px solid var(--line-dark);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:11px; color:rgba(201,205,211,0.5); font-family:'IBM Plex Mono', monospace; letter-spacing:0.02em;
}

/* ============ WHATSAPP FLOAT ============ */
.wa-float{
  position:fixed; bottom:26px; right:26px; z-index:900;
  display:flex; align-items:center; gap:10px;
  background:#2F7A56; color:#fff; padding:14px 20px 14px 14px;
  border-radius:2px; box-shadow:0 12px 30px rgba(0,0,0,0.28);
  font-size:13px; font-weight:500;
  transition:transform 0.25s ease, box-shadow 0.25s ease;
}
.wa-float:hover{transform:translateY(-2px); box-shadow:0 16px 34px rgba(0,0,0,0.32);}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px){
  nav.links{display:none;}
  .menu-toggle{display:flex;}
  .hero-logo img{height:56px;}
  .hero-word{font-size:19px;}
  .hero-inner{grid-template-columns:1fr; align-items:start;}
  .hero-side{border-left:none; border-top:1px solid var(--line-dark); padding-left:0; padding-top:30px; margin-top:36px; display:flex; gap:40px;}
  .hero-side .item{border-bottom:none; padding:0;}
  .hero::after{display:none;}
  .pillars{grid-template-columns:1fr; gap:40px;}
  .contacto-inner{grid-template-columns:1fr;}
  details.clause summary{grid-template-columns:40px 1fr 24px; gap:12px;}
  .clause-body{padding-left:52px;}
  .footer-inner{flex-direction:column;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}