/* Biactro Technology — hoja de estilo */

:root{
  --ink:#12190F;
  --forest:#1E3524;
  --moss:#365F3D;
  --leaf:#7FA95E;
  --wheat:#C99A2E;
  --wheat-text:#805D00;
  --canvas:#F6F2E7;
  --canvas-2:#EBE5D6;
  --line:#D6CFBC;
  --line-dark:#3A5340;
  --muted:#5F6656;
  --muted-on-dark:#CFD9C4;

  --display:"Young Serif",Georgia,serif;
  --body:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;

  --gut:clamp(1.25rem,4.5vw,4rem);
  --maxw:1240px;
  --r:3px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

body{
  margin:0;background:var(--canvas);color:var(--ink);
  font-family:var(--body);font-size:17.5px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}

h1,h2,h3{font-family:var(--display);font-weight:400;letter-spacing:-.015em;line-height:1.08;margin:0 0 .55em}
h1{font-size:clamp(2.7rem,6.6vw,5.1rem)}
h2{font-size:clamp(2rem,4.1vw,3.1rem)}
h3{font-size:clamp(1.25rem,2vw,1.55rem);line-height:1.18}
h4{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;margin:0 0 1rem}
p{margin:0 0 1.15em;max-width:62ch}
a{color:inherit}
img{max-width:100%;height:auto;display:block}

.eyebrow{
  font-family:var(--mono);font-size:.73rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--moss);margin:0 0 1.1rem;display:flex;align-items:center;gap:.7rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--wheat);flex:none}
.on-dark .eyebrow{color:var(--leaf)}
.hero .eyebrow,.feature .eyebrow{color:#E8CE8A}
.hero .eyebrow::before,.feature .eyebrow::before{background:#E8CE8A}
.num-lead{font-family:var(--mono);font-size:.78rem;letter-spacing:.2em;color:var(--wheat-text);display:block;margin-bottom:1.4rem}
.on-dark .num-lead{color:#E8CE8A}

/* ---------- cabecera ---------- */
.site-head{position:sticky;top:0;z-index:60;background:rgba(246,242,231,.94);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line);transition:background .25s ease,border-color .25s ease}
.site-head.over-hero{background:transparent;backdrop-filter:none;border-bottom-color:transparent;color:#fff}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:80px}
.brand{display:flex;align-items:center;text-decoration:none;line-height:0}
.brand img{height:32px;width:auto;max-width:none}
.brand .logo-light{display:none}
.site-head.over-hero .brand .logo-dark{display:none}
.site-head.over-hero .brand .logo-light{display:block}
@media(max-width:520px){.brand img{height:26px}}
nav ul{display:flex;gap:1.9rem;list-style:none;margin:0;padding:0;align-items:center}
nav a{text-decoration:none;font-size:.93rem;font-weight:500;padding-bottom:4px;border-bottom:2px solid transparent;transition:border-color .18s}
nav a:hover,nav a:focus-visible{border-bottom-color:var(--wheat)}
.langs{display:flex;gap:.55rem;align-items:center}
.langs a{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;opacity:.55;text-decoration:none;border-bottom:2px solid transparent;padding-bottom:3px}
.langs a:hover,.langs a:focus-visible{opacity:1;border-bottom-color:var(--wheat)}
.langs a[aria-current="true"]{opacity:1;border-bottom-color:var(--wheat)}
.langs span{opacity:.3;font-size:.7rem}
@media(max-width:880px){
  .langs{padding:1.05rem 0}
  .langs a{padding-bottom:0;border-bottom:none}
  .langs a[aria-current="true"]{text-decoration:underline;text-underline-offset:4px}
}
.nav-toggle{display:none;background:none;border:1px solid currentColor;border-radius:var(--r);padding:.5rem .8rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;color:inherit}

@media(max-width:880px){
  .nav-toggle{display:block}
  nav{position:absolute;top:80px;left:0;right:0;background:var(--canvas);border-bottom:1px solid var(--line);display:none;color:var(--ink)}
  nav.open{display:block}
  nav ul{flex-direction:column;gap:0;padding:0 var(--gut);align-items:stretch}
  nav li{border-top:1px solid var(--line)}
  nav a{display:block;padding:1.05rem 0;border-bottom:none}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(92vh,860px);display:flex;align-items:flex-end;margin-top:-80px;padding-top:80px;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img,.hero-bg video{width:100%;height:100%;object-fit:cover;display:block}
.hero-cap{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:#CBD6C0;margin:1.8rem 0 0}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,18,12,.62) 0%,rgba(10,18,12,.30) 42%,rgba(10,18,12,.88) 100%)}
.hero-in{position:relative;z-index:2;width:100%;padding:4.4rem 0 2.8rem}
.hero h1{max-width:15ch;color:#fff;text-wrap:balance}
.hero .lede{font-size:clamp(1.1rem,1.75vw,1.35rem);color:#E6EDE0;max-width:52ch;margin-bottom:0}
.hero-meta{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:2.2rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.13em;text-transform:uppercase}
.hero-meta span{border:1px solid rgba(255,255,255,.4);border-radius:var(--r);padding:.45rem .8rem;color:#EAF0E4}

/* ---------- secciones ---------- */
section{padding:clamp(3rem,6.4vw,5.6rem) 0}
section[id]{scroll-margin-top:96px}
.on-dark{background:var(--forest);color:var(--canvas)}
.on-dark h2,.on-dark h3{color:#fff}
.on-dark p{color:var(--muted-on-dark)}
.on-dark .lead-p{color:#E4EBDC}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.grid-2.top{align-items:start}
@media(max-width:900px){.grid-2{grid-template-columns:1fr;gap:2.5rem}}

.lead-p{font-size:clamp(1.05rem,1.55vw,1.22rem);color:var(--forest)}
.on-dark .lead-p{color:#E4EBDC}
.closing{font-family:var(--display);font-size:clamp(1.35rem,2.5vw,2rem);line-height:1.22;color:var(--forest);border-left:2px solid var(--wheat);padding-left:1.4rem;margin:2.8rem 0 0;max-width:34ch}
.on-dark .closing,.feature .closing{color:#fff;border-left-color:#E8CE8A}

ul.plain{list-style:none;padding:0;margin:0 0 1.3em}
ul.plain li{padding:.7rem 0 .7rem 1.7rem;border-bottom:1px solid var(--line);position:relative;max-width:58ch}
ul.plain li:first-child{border-top:1px solid var(--line)}
ul.plain li::before{content:"";position:absolute;left:0;top:1.35rem;width:9px;height:9px;border-radius:50%;background:var(--wheat)}
.on-dark ul.plain li{border-bottom-color:var(--line-dark);color:var(--muted-on-dark)}
.on-dark ul.plain li:first-child{border-top-color:var(--line-dark)}
.on-dark ul.plain li::before{background:var(--leaf)}

figure{margin:0}
figure img{width:100%;border-radius:var(--r)}
figcaption{font-family:var(--mono);font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-top:.75rem}
.img-tall{aspect-ratio:4/5;height:auto;object-fit:cover}
.img-wide{aspect-ratio:16/10;height:auto;object-fit:cover}

/* ---------- comparativa ---------- */
.cmp{margin-top:2.8rem;border-top:2px solid var(--forest)}
.cmp-row{display:grid;grid-template-columns:1.05fr .75fr .95fr 1.25fr;gap:1.4rem;padding:1.15rem 0;border-bottom:1px solid var(--line);align-items:baseline}
.cmp-head{font-family:var(--mono);font-size:.67rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:.75rem 0}
.cmp-name{font-weight:600;font-size:1rem}
.cmp-row div:not(.cmp-name){font-size:.93rem;color:var(--muted)}
.cmp-row.is-us{background:var(--canvas-2);border-bottom:none;border-top:2px solid var(--forest);margin-top:.6rem;padding:1.4rem 1.1rem;border-radius:var(--r)}
.cmp-row.is-us .cmp-name{font-size:1.06rem}
.cmp-row.is-us div:not(.cmp-name){color:var(--ink)}
@media(max-width:820px){
  .cmp-head{display:none}
  .cmp-row{grid-template-columns:1fr;gap:.15rem;padding:1.3rem 0}
  .cmp-row div[data-l]::before{content:attr(data-l);font-family:var(--mono);font-size:.63rem;letter-spacing:.13em;text-transform:uppercase;color:var(--wheat-text);display:block;margin-top:.6rem}
}

/* ---------- planos de diferencia ---------- */
.diffs{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.4rem,2.6vw,2.2rem);margin-top:2.4rem}
@media(max-width:820px){.diffs{grid-template-columns:1fr;gap:1.8rem}}
.diff{border-top:2px solid var(--wheat);padding-top:1.15rem}
.diff h3{font-size:1.08rem;margin-bottom:.45rem}
.diff p{font-size:.93rem;color:var(--muted);margin:0}

/* ---------- pasos ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.2rem,2.4vw,2rem);margin-top:3rem}
@media(max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{border-top:2px solid var(--leaf);padding-top:1.2rem}
.step .n{font-family:var(--mono);font-size:.72rem;letter-spacing:.15em;color:#E8CE8A;display:block;margin-bottom:.7rem}
.step h3{font-size:1.15rem;margin-bottom:.5rem;color:#fff}
.step p{font-size:.94rem;margin:0;color:var(--muted-on-dark)}

/* ---------- métricas ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
@media(max-width:900px){.metrics{grid-template-columns:repeat(2,1fr)}}
.metric{border-top:2px solid var(--wheat);padding-top:1.2rem}
.on-dark .metric{border-top-color:var(--leaf)}
.metric .v{font-family:var(--display);font-size:clamp(1.8rem,3.4vw,2.7rem);line-height:1;letter-spacing:-.02em}
.on-dark .metric .v{color:#fff}
.metric .k{font-family:var(--mono);font-size:.71rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin-top:.8rem;display:block}
.on-dark .metric .k{color:var(--muted-on-dark)}

/* ---------- dos salidas ---------- */
.outs{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,3vw,2.4rem);margin-top:3rem}
@media(max-width:820px){.outs{grid-template-columns:1fr}}
.out-card{background:var(--canvas-2);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.out-card .out-body{flex:1}
.out-card img{aspect-ratio:3/2;width:100%;height:auto;object-fit:cover;display:block}
.out-body{padding:1.7rem 1.6rem 2rem}
.out-body h3{margin-bottom:.55rem}
.out-body p{font-size:.97rem;margin-bottom:0}

/* ---------- analíticas ---------- */
.lab{margin-top:2.6rem;border-top:2px solid var(--forest)}
.lab-row{display:grid;grid-template-columns:1.9fr .8fr auto .8fr;gap:1rem;align-items:center;padding:1.05rem 0;border-bottom:1px solid var(--line)}
.lab-head{font-family:var(--mono);font-size:.67rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:.7rem 0}
.lab-head span:nth-child(2),.lab-head span:nth-child(4){text-align:right}
.lab-par{font-weight:600;font-size:.98rem}
.lab-par small{display:block;font-weight:400;font-size:.85rem;color:var(--muted);line-height:1.4;margin-top:.15rem}
.lab-in{font-family:var(--mono);font-size:.95rem;color:var(--muted);text-align:right}
.lab-arrow{color:var(--wheat);text-align:center}
.lab-out{font-family:var(--mono);font-size:1.06rem;font-weight:500;color:var(--forest);text-align:right}
@media(max-width:640px){
  .lab-row{grid-template-columns:1fr auto;gap:.25rem 1rem}
  .lab-par{grid-column:1/-1}
  .lab-in{text-align:left}
  .lab-arrow{display:none}
  .lab-head{display:none}
}
.note{background:var(--canvas-2);border-left:2px solid var(--wheat);padding:1.3rem 1.5rem;margin-top:2rem}
.note h4{color:var(--moss)}
.note p{margin:0;font-size:.95rem;color:var(--muted)}
.src{font-family:var(--mono);font-size:.69rem;letter-spacing:.05em;color:var(--muted);margin-top:1.6rem;max-width:none}

/* ---------- respaldo institucional ---------- */
.inst{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,4vw,3.6rem);align-items:start}
@media(max-width:940px){.inst{grid-template-columns:1fr;gap:2.6rem}}
.inst-list{border-top:1px solid var(--line)}
.inst-item{display:grid;grid-template-columns:.85fr 1.4fr;gap:1.5rem;padding:1.15rem 0;border-bottom:1px solid var(--line)}
@media(max-width:560px){.inst-item{grid-template-columns:1fr;gap:.3rem}}
.inst-k{font-family:var(--mono);font-size:.71rem;letter-spacing:.13em;text-transform:uppercase;color:var(--wheat-text);line-height:1.55}
.inst-v{font-size:.97rem;margin:0}
.inst-panel{background:var(--canvas-2);border-radius:var(--r);padding:clamp(1.5rem,3vw,2.2rem)}
.quote{background:#E2DBC9;border-radius:var(--r);padding:1.6rem}
.quote::before{content:"\201C";font-family:var(--display);font-size:3.4rem;line-height:.62;color:#C4BCA6;display:block;margin-bottom:.5rem}
.quote p{font-style:italic;margin:0;font-size:.97rem;color:var(--ink)}
.media-lead{font-family:var(--mono);font-size:.71rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:1.9rem 0 1rem;display:flex;align-items:center;gap:.7rem;border-top:1px solid var(--line);padding-top:1.6rem}
.media-lead::before{content:"";width:24px;height:1px;background:var(--muted);flex:none}
.media-item{display:grid;grid-template-columns:96px 1fr;gap:1rem;align-items:center;background:var(--canvas);border:1px solid var(--line);border-radius:var(--r);padding:.75rem;margin-bottom:.8rem;text-decoration:none;transition:border-color .18s,background .18s}
.media-item:hover{border-color:var(--wheat);background:#FFFDF7}
.media-thumb{position:relative;border-radius:2px;overflow:hidden;aspect-ratio:16/10}
.media-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.media-thumb::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.92);box-shadow:0 1px 4px rgba(0,0,0,.35)}
.media-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;width:0;height:0;border-left:8px solid var(--ink);border-top:5.5px solid transparent;border-bottom:5.5px solid transparent;margin-left:2px}
.media-src{font-family:var(--mono);font-size:.65rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.2rem}
.media-title{font-size:.92rem;font-weight:500;line-height:1.35;display:block}

/* ---------- banda a sangre ---------- */
.feature{position:relative;color:#fff;overflow:hidden;padding:clamp(3.9rem,8.6vw,6.9rem) 0}
.feature .bg{position:absolute;inset:0;z-index:0}
.feature .bg img{width:100%;height:100%;object-fit:cover;display:block}
.feature .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,20,12,.94) 0%,rgba(10,20,12,.82) 46%,rgba(10,20,12,.50) 100%)}
.feature .wrap{position:relative;z-index:2}
.feature h2{color:#fff}
.feature p{color:#DDE6D6}

/* ---------- botones ---------- */
.btn{
  display:inline-block;text-decoration:none;font-family:var(--mono);
  font-size:.77rem;letter-spacing:.13em;text-transform:uppercase;
  padding:1.05rem 1.8rem;border-radius:var(--r);
  border:1px solid var(--ink);background:var(--ink);color:var(--canvas);
  transition:background .18s,color .18s,border-color .18s;
}
.btn:hover,.btn:focus-visible{background:transparent;color:var(--ink)}
.btn-light{background:var(--wheat);border-color:var(--wheat);color:var(--ink)}
.btn-light:hover{background:transparent;color:#fff;border-color:#fff}
.btn-wa{display:inline-flex;align-items:center;gap:.6rem;background:#25D366;border-color:#25D366;color:#0B2E17}
.btn-wa:hover,.btn-wa:focus-visible{background:transparent;color:#25D366;border-color:#25D366}
.btn-wa svg{width:17px;height:17px;fill:currentColor;flex:none}
.btn-wrap{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center;margin-top:2.8rem}
.wa-line{display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;border-bottom:1px solid #25D366;padding-bottom:1px}
.wa-line svg{width:15px;height:15px;fill:#25D366;flex:none}

/* ---------- dos puertas ---------- */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,3vw,2.4rem);margin-top:2.8rem}
@media(max-width:820px){.doors{grid-template-columns:1fr}}
.door{background:#26402C;border-radius:var(--r);padding:clamp(1.7rem,3vw,2.3rem)}
.door h3{margin-bottom:.9rem}
.door ul.plain li{border-bottom-color:var(--line-dark);color:var(--muted-on-dark);font-size:.95rem}
.door ul.plain li:first-child{border-top-color:var(--line-dark)}
.door ul.plain{margin-bottom:0}

/* ---------- formulario ---------- */
form{max-width:620px}
.field{margin-bottom:1.35rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.35rem}
@media(max-width:600px){.field-row{grid-template-columns:1fr;gap:0}}
label{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
input,textarea,select{
  width:100%;font-family:var(--body);font-size:1rem;color:var(--ink);
  background:#FFFDF7;border:1px solid var(--line);border-radius:var(--r);padding:.9rem 1rem;
}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 1.35rem,calc(100% - 15px) 1.35rem;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
input:focus,textarea:focus,select:focus{outline:2px solid var(--moss);outline-offset:1px;border-color:var(--moss)}
textarea{min-height:130px;resize:vertical}
.consent{display:flex;gap:.75rem;align-items:flex-start}
.consent input{width:auto;margin-top:.35rem}
.consent label{font-family:var(--body);text-transform:none;letter-spacing:0;font-size:.92rem;color:var(--muted);margin:0}
button[type=submit]{
  font-family:var(--mono);font-size:.77rem;letter-spacing:.13em;text-transform:uppercase;
  padding:1.05rem 1.8rem;border-radius:var(--r);border:1px solid var(--ink);
  background:var(--ink);color:var(--canvas);cursor:pointer;transition:background .18s,color .18s;
}
button[type=submit]:hover{background:transparent;color:var(--ink)}
.hp{position:absolute;left:-9999px}

.contact-panel{background:var(--canvas-2);border-radius:var(--r);padding:clamp(1.6rem,3vw,2.4rem)}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:.9rem 0;border-bottom:1px solid var(--line)}
.contact-list li:last-child{border-bottom:none}
.contact-list .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.15rem}
.contact-list a{text-decoration:none;border-bottom:1px solid var(--wheat)}

/* ---------- pie ---------- */
footer{background:var(--ink);color:#C6CFBE;padding:3.9rem 0 2rem;font-size:.94rem}
.foot-grid{display:grid;grid-template-columns:2.2fr 1fr 1.2fr;gap:3rem}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr;gap:2.2rem}}
footer .brand{margin-bottom:1.2rem}
footer .brand .logo-dark{display:none}
footer .brand .logo-light{display:block}
footer h4{color:#8FA383}
footer ul{list-style:none;padding:0;margin:0}
footer li{padding:.32rem 0}
footer a{color:#C6CFBE;text-decoration:none;border-bottom:1px solid transparent}
footer a:hover{border-bottom-color:var(--wheat)}
.foot-bar{border-top:1px solid #2A342A;margin-top:3rem;padding-top:1.5rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:#79836F}

/* ---------- cookies ---------- */
.cookie{position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--ink);color:var(--canvas);padding:1.2rem var(--gut);display:none;gap:1.2rem;align-items:center;flex-wrap:wrap;border-top:2px solid var(--wheat)}
.cookie.show{display:flex}
.cookie p{margin:0;font-size:.9rem;max-width:68ch;flex:1 1 320px;color:#D3DBCB}
.cookie button{font-family:var(--mono);font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;padding:.75rem 1.2rem;border-radius:var(--r);border:1px solid rgba(255,255,255,.5);background:transparent;color:var(--canvas);cursor:pointer}
.cookie button.accept{background:var(--wheat);border-color:var(--wheat);color:var(--ink)}

.skip{position:absolute;left:-9999px;background:var(--ink);color:var(--canvas);padding:.75rem 1.1rem;z-index:100}
.skip:focus{left:1rem;top:1rem}

.prose{max-width:74ch}
.prose h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-top:2.8rem}
.page-head{padding-top:clamp(3rem,6vw,5rem);padding-bottom:0}