:root{
  --black:#08090B;
  --carbon:#121216;
  --graphite:#25242A;
  --purple:#8D4E8C;
  --violet:#A66BDB;
  --platinum:#D9D9DD;
  --white:#F5F5F4;
  --maxw:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--black);
  color:var(--white);
  font-family:'Montserrat',sans-serif;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 32px;}
.eyebrow{
  text-transform:uppercase;
  letter-spacing:0.28em;
  font-size:12px;
  font-weight:500;
  color:var(--platinum);
}
.accent{color:var(--purple);font-weight:700;}
.line{
  width:44px;height:2px;background:var(--purple);
  margin:20px 0;border:none;
}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-0.01em;}
p{line-height:1.7;color:var(--platinum);font-weight:300;}

/* ===== Age gate ===== */
#agegate{
  position:fixed;inset:0;background:var(--black);
  display:flex;align-items:center;justify-content:center;
  z-index:999;padding:24px;text-align:center;
  transition:opacity .5s ease, visibility .5s ease;
}
#agegate.hidden{opacity:0;visibility:hidden;pointer-events:none;}
.gate-box{max-width:460px;}
.gate-box img{width:64px;margin:0 auto 28px;}
.gate-box h2{font-size:22px;font-weight:500;margin-bottom:14px;}
.gate-box p{font-size:14px;margin-bottom:32px;}
.gate-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;font-size:13px;font-weight:600;
  letter-spacing:0.08em;text-transform:uppercase;
  cursor:pointer;border:1px solid transparent;
  transition:border-color .25s ease, color .25s ease, background .25s ease;
  font-family:inherit;
}
.btn-primary{background:var(--purple);color:var(--white);}
.btn-primary:hover{background:var(--violet);}
.btn-ghost{background:transparent;color:var(--white);border-color:var(--graphite);}
.btn-ghost:hover{border-color:var(--platinum);}

/* ===== Header ===== */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:22px 0;transition:background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom:1px solid transparent;
}
header.scrolled{background:rgba(8,9,11,0.9);backdrop-filter:blur(10px);border-color:var(--graphite);padding:14px 0;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{width:30px;}
.brand span{font-size:18px;letter-spacing:0.32em;font-weight:400;}
.brand small{display:block;font-size:8px;letter-spacing:0.35em;color:var(--platinum);margin-top:2px;}
nav.links{display:flex;gap:38px;align-items:center;}
nav.links a{font-size:12px;letter-spacing:0.1em;text-transform:uppercase;color:var(--platinum);transition:color .2s ease;position:relative;}
nav.links a:hover{color:var(--white);}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px;}
.burger span{width:24px;height:1.5px;background:var(--white);}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:190px 0 110px;
  display:grid;grid-template-columns:1.15fr 0.85fr;gap:40px;align-items:center;
}
.hero::before{
  content:"";position:absolute;top:0;left:0;right:0;height:100%;
  background:radial-gradient(ellipse 70% 55% at 78% 30%, rgba(141,78,140,0.16), transparent 65%);
  pointer-events:none;
}
.hero-copy{position:relative;z-index:2;}
.kicker{font-size:12px;letter-spacing:0.3em;color:var(--purple);text-transform:uppercase;margin-bottom:26px;font-weight:600;}
.hero h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.16;font-weight:600;letter-spacing:-0.01em;
}
.hero h1 span{display:block;opacity:0;transform:translateY(16px);animation:rise .7s ease forwards;}
.hero h1 span:nth-child(1){animation-delay:.05s;}
.hero h1 span:nth-child(2){animation-delay:.18s;}
.hero h1 span:nth-child(3){animation-delay:.31s;}
.hero h1 span:nth-child(4){animation-delay:.44s;}
.hero h1 span:nth-child(5){animation-delay:.57s;}
@keyframes rise{to{opacity:1;transform:translateY(0);}}
.hero-tagline{
  margin-top:34px;font-size:13px;letter-spacing:0.22em;text-transform:uppercase;color:var(--platinum);
}
.hero-actions{margin-top:44px;display:flex;gap:18px;flex-wrap:wrap;}
.hero-visual{position:relative;z-index:2;}
.hero-visual .frame{
  position:relative;border:1px solid var(--graphite);padding:18px;
  box-shadow:0 0 60px rgba(141,78,140,0.18);
}
.hero-visual img{width:100%;}
.pillars-float{
  position:absolute;top:-150px;right:0;text-align:right;
  font-size:11px;letter-spacing:0.28em;text-transform:uppercase;color:var(--platinum);
  line-height:2.1;
}
.pillars-float .line{margin-left:auto;margin-right:0;}

/* ===== Philosophy strip ===== */
.philosophy{padding:90px 0;border-top:1px solid var(--graphite);border-bottom:1px solid var(--graphite);}
.phil-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;}
.phil-grid h3{font-size:13px;letter-spacing:0.24em;text-transform:uppercase;color:var(--purple);margin-bottom:16px;}
.phil-grid p{font-size:14.5px;}
.phil-num{font-size:11px;color:var(--graphite);letter-spacing:0.2em;margin-bottom:18px;font-weight:600;}

/* ===== Section heading pattern ===== */
.section{padding:110px 0;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:56px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(26px,3vw,38px);max-width:560px;}
.section-head p{max-width:400px;font-size:14.5px;margin:0;}

/* ===== Catalog ===== */
.catalog-controls{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;padding-bottom:28px;border-bottom:1px solid var(--graphite);}
.chip-row{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  font-size:11.5px;letter-spacing:0.06em;text-transform:uppercase;
  padding:9px 18px;border:1px solid var(--graphite);background:transparent;color:var(--platinum);
  cursor:pointer;transition:all .2s ease;font-family:inherit;
}
.chip.active,.chip:hover{border-color:var(--purple);color:var(--white);}
select{
  background:var(--carbon);color:var(--white);border:1px solid var(--graphite);
  padding:10px 16px;font-family:inherit;font-size:12px;letter-spacing:0.05em;
}
.grid-products{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--graphite);border:1px solid var(--graphite);}
.card{background:var(--black);padding:34px 30px;transition:background .25s ease;}
.card:hover{background:var(--carbon);}
.card .tag{font-size:10px;letter-spacing:0.18em;text-transform:uppercase;color:var(--purple);margin-bottom:16px;display:inline-block;}
.card h4{font-size:18px;font-weight:500;margin-bottom:10px;}
.card p{font-size:13.5px;margin-bottom:22px;min-height:66px;}
.card-foot{display:flex;justify-content:space-between;align-items:center;padding-top:18px;border-top:1px solid var(--graphite);}
.card-foot .price{font-size:13px;color:var(--white);font-weight:500;display:block;}
.card-foot .note{font-size:10px;color:var(--graphite);}
.card-foot a{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--platinum);border-bottom:1px solid var(--graphite);padding-bottom:2px;}
.card-foot a:hover{color:var(--purple);border-color:var(--purple);}

/* ===== Calculator ===== */
.calc-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border:1px solid var(--graphite);
}
.calc-inputs{padding:48px;border-right:1px solid var(--graphite);}
.calc-results{padding:48px;background:var(--carbon);}
.field{margin-bottom:26px;}
.field label{display:block;font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--platinum);margin-bottom:10px;}
.field input{
  width:100%;background:transparent;border:none;border-bottom:1px solid var(--graphite);
  color:var(--white);font-family:inherit;font-size:16px;padding:10px 0;font-weight:400;
}
.field input:focus{outline:none;border-color:var(--purple);}
.result-row{display:flex;justify-content:space-between;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--graphite);}
.result-row:last-of-type{border-bottom:none;}
.result-row .label{font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--platinum);}
.result-row .value{font-size:20px;font-weight:600;color:var(--white);}
.calc-warning{margin-top:22px;padding:14px 16px;border:1px solid var(--purple);font-size:12.5px;color:var(--platinum);display:none;}
.calc-warning.show{display:block;}
.calc-footnote{font-size:11px;color:var(--graphite);margin-top:24px;}

/* ===== Nosotros ===== */
.about-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--graphite);border:1px solid var(--graphite);}
.about-card{background:var(--black);padding:30px 24px;transition:background .2s ease;display:block;}
.about-card:hover{background:var(--carbon);}
.about-card h4{font-size:14px;font-weight:500;margin-bottom:10px;}
.about-card p{font-size:12.5px;margin-bottom:0;}

/* ===== Reference criteria ===== */
.crit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--graphite);border:1px solid var(--graphite);}
.crit-card{background:var(--black);padding:36px 26px;}
.crit-card .phil-num{margin-bottom:22px;}
.crit-card h4{font-size:15px;font-weight:500;margin-bottom:12px;line-height:1.4;}
.crit-card p{font-size:12.5px;}

/* ===== Contact ===== */
.contact-wrap{display:grid;grid-template-columns:0.8fr 1.2fr;gap:70px;}
.contact-info h3{font-size:13px;letter-spacing:0.2em;text-transform:uppercase;color:var(--purple);margin-bottom:22px;}
.contact-line{margin-bottom:20px;}
.contact-line .k{font-size:11px;color:var(--platinum);letter-spacing:0.08em;text-transform:uppercase;display:block;margin-bottom:4px;}
.contact-line .v{font-size:15px;color:var(--white);}
.pending{color:var(--graphite);font-style:normal;}
form{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
form .full{grid-column:1/-1;}
form label{display:block;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--platinum);margin-bottom:10px;}
form input,form select,form textarea{
  width:100%;background:transparent;border:none;border-bottom:1px solid var(--graphite);
  color:var(--white);font-family:inherit;font-size:14px;padding:10px 0;
}
form input:focus,form select:focus,form textarea:focus{outline:none;border-color:var(--purple);}
form textarea{resize:vertical;min-height:70px;}
form option{background:var(--carbon);}
.toast{
  margin-top:20px;padding:14px 18px;border:1px solid var(--purple);font-size:13px;
  display:none;
}
.toast.show{display:block;}

/* ===== Footer ===== */
footer{border-top:1px solid var(--graphite);padding:80px 0 34px;}
.foot-top{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:50px;margin-bottom:60px;}
.foot-brand img{width:26px;margin-bottom:16px;}
.foot-brand p{font-size:12.5px;max-width:260px;margin-bottom:22px;}
.foot-brand .social{display:flex;gap:16px;}
.foot-brand .social a{font-size:11px;letter-spacing:0.06em;text-transform:uppercase;color:var(--platinum);border-bottom:1px solid var(--graphite);padding-bottom:2px;}
.foot-col h5{font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--platinum);margin-bottom:20px;font-weight:500;}
.foot-col ul{list-style:none;padding:0;margin:0;}
.foot-col li{margin-bottom:12px;}
.foot-col a{font-size:13px;color:var(--white);opacity:0.85;}
.foot-col a:hover{opacity:1;color:var(--purple);}
.foot-disclaimer{font-size:11.5px;color:var(--graphite);border-top:1px solid var(--graphite);padding-top:28px;line-height:1.8;}
.foot-bottom{display:flex;justify-content:space-between;margin-top:24px;font-size:11px;color:var(--graphite);flex-wrap:wrap;gap:10px;}

/* ===== Legal pages ===== */
.legal-main{padding:160px 0 110px;}
.back-link{font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--platinum);border-bottom:1px solid var(--graphite);padding-bottom:2px;}
.back-link:hover{color:var(--purple);border-color:var(--purple);}
.legal-main h1{font-size:clamp(28px,4vw,42px);margin-top:32px;margin-bottom:12px;}
.legal-sub{font-size:14.5px;color:var(--platinum);margin-bottom:56px;}
.legal-content h2{font-size:19px;font-weight:600;margin-top:2.5em;margin-bottom:0.8em;color:var(--white);}
.legal-content h2:first-child{margin-top:0;}
.legal-content p{font-size:14.5px;margin-bottom:1.1em;}
.legal-content ul{margin:0 0 1.1em 0;padding-left:1.3em;}
.legal-content li{font-size:14.5px;margin-bottom:0.5em;color:var(--platinum);}
.legal-content table{width:100%;border-collapse:collapse;margin-bottom:1.5em;font-size:13.5px;}
.legal-content th,.legal-content td{text-align:left;padding:10px 14px;border:1px solid var(--graphite);color:var(--platinum);}
.legal-content th{color:var(--white);font-weight:500;background:var(--carbon);}
.legal-content strong{color:var(--white);}

@media(max-width:960px){
  nav.links{display:none;}
  .burger{display:flex;}
  .hero{grid-template-columns:1fr;padding-top:150px;}
  .pillars-float{position:static;text-align:left;margin-bottom:40px;}
  .phil-grid{grid-template-columns:1fr;gap:44px;}
  .grid-products{grid-template-columns:1fr 1fr;}
  .calc-panel{grid-template-columns:1fr;}
  .calc-inputs{border-right:none;border-bottom:1px solid var(--graphite);}
  .about-grid{grid-template-columns:1fr 1fr;}
  .crit-grid{grid-template-columns:1fr 1fr;}
  .contact-wrap{grid-template-columns:1fr;gap:40px;}
  form{grid-template-columns:1fr;}
  .foot-top{grid-template-columns:1fr 1fr;}
}
@media(max-width:600px){
  .grid-products{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;}
  .crit-grid{grid-template-columns:1fr;}
  .foot-top{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}