/* =========================================================
   ZALLERIS Scientific — estilos
   Colores tomados del logo: azul marino #1B2440 · azul #0B6BAA
   ========================================================= */
:root{
  --bg:#000;
  --bg-2:#07090f;
  --panel:#0c1018;
  --line:rgba(255,255,255,.12);
  --line-2:rgba(255,255,255,.22);
  --text:#fff;
  --muted:#9aa3b2;
  --navy:#1B2440;
  --blue:#0B6BAA;
  --blue-l:#3898e0;
  --display:"Montserrat",system-ui,sans-serif;
  --body:"Inter",system-ui,sans-serif;
  --gutter:clamp(20px,5vw,72px);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-weight:300;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.02em;margin:0}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue-l);outline-offset:3px}

.wrap{max-width:1240px;margin:0 auto;padding:0 var(--gutter)}
.kicker{font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.32em;text-transform:uppercase;color:var(--blue-l);margin:0 0 22px}

/* ---------- Botones (estilo borde fino con relleno al pasar) ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 30px;border:1.5px solid #fff;font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:#fff;overflow:hidden;cursor:pointer;background:none;transition:color .35s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;background:#fff;transform:translateY(101%);transition:transform .35s var(--ease)}
.btn span{position:relative}
.btn:hover{color:#000}
.btn:hover::before{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.55)}
.btn-solid{background:#fff;color:#000;border-color:#fff}
.btn-solid::before{background:var(--blue)}
.btn-solid:hover{color:#fff}

/* ---------- Header ---------- */
.header{position:fixed;z-index:50;inset:0 0 auto 0;height:84px;padding:0 var(--gutter);display:flex;align-items:center;justify-content:space-between;transition:background .4s,height .4s,transform .4s var(--ease),border-color .4s;border-bottom:1px solid transparent}
.header.scrolled{background:rgba(0,0,0,.78);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);height:68px;border-color:var(--line)}
.header.hide{transform:translateY(-100%)}
.brand img{height:32px;width:auto}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;position:relative;padding:6px 0}
.nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:#fff;transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.nav a:not(.nav-cta):hover::after{transform:scaleX(1);transform-origin:left}
.nav-cta{border:1.5px solid rgba(255,255,255,.6);padding:10px 20px!important;transition:background .3s,color .3s}
.nav-cta:hover{background:#fff;color:#000}
.menu{display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;position:relative;z-index:60}
.menu span{position:absolute;left:10px;right:10px;height:1.5px;background:#fff;transition:transform .35s var(--ease),top .35s}
.menu span:first-child{top:17px}.menu span:last-child{top:26px}
.menu[aria-expanded="true"] span:first-child{top:21px;transform:rotate(45deg)}
.menu[aria-expanded="true"] span:last-child{top:21px;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;padding:0 var(--gutter) 150px;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-3;background:
  linear-gradient(180deg,rgba(0,0,0,.25) 0%,rgba(0,0,0,.1) 40%,#000 100%),
  var(--photo),
  radial-gradient(ellipse 70% 60% at 75% 35%,rgba(11,107,170,.38),transparent 60%),
  radial-gradient(ellipse 60% 50% at 20% 90%,rgba(27,36,64,.9),transparent 70%),
  #000;
  background-size:cover;background-position:center;animation:slowzoom 24s ease-in-out infinite alternate}
@keyframes slowzoom{from{transform:scale(1)}to{transform:scale(1.07)}}
.hero-orbit{position:absolute;z-index:-2;right:-14vw;top:50%;width:min(78vw,900px);aspect-ratio:1;transform:translateY(-52%)}
.hero-orbit svg{width:100%;height:100%;animation:spin 120s linear infinite}
.hero-orbit circle{fill:none;stroke:rgba(255,255,255,.07);stroke-width:1}
.hero-orbit circle:nth-child(2){stroke-dasharray:2 10;stroke:rgba(56,152,224,.35)}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-ecg{position:absolute;z-index:-1;left:0;right:0;top:42%;width:100%;height:150px;opacity:.55}
.hero-ecg path{fill:none;stroke:var(--blue-l);stroke-width:1.6;stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 5s var(--ease) .4s forwards;filter:drop-shadow(0 0 6px rgba(56,152,224,.8))}
@keyframes draw{to{stroke-dashoffset:0}}
.hero-content{max-width:1160px}.hero-lead,.hero-actions{max-width:560px}
.hero h1{font-size:clamp(42px,7.2vw,104px);line-height:.98;letter-spacing:-.005em;font-weight:600;margin-bottom:28px}
.hero-lead{font-size:clamp(16px,1.4vw,19px);color:#c9d1dc;max-width:560px;margin:0 0 40px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-strip{position:absolute;left:var(--gutter);right:var(--gutter);bottom:46px;display:flex;align-items:center;gap:22px;font-family:var(--display);font-size:11px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);border-top:1px solid var(--line);padding-top:22px}
.hero-strip i{width:5px;height:5px;background:var(--blue-l);border-radius:50%}
.scroll-cue{position:absolute;right:var(--gutter);bottom:40px;width:26px;height:42px;border:1.5px solid rgba(255,255,255,.5);border-radius:14px}
.scroll-cue span{position:absolute;left:50%;top:8px;width:3px;height:8px;margin-left:-1.5px;background:#fff;border-radius:2px;animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ---------- Paneles a pantalla completa ---------- */
.panel{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;padding:0 var(--gutter) 120px;overflow:hidden;isolation:isolate;border-top:1px solid var(--line)}
.panel-bg{position:absolute;inset:-8% 0;z-index:-2;background:
  linear-gradient(90deg,rgba(0,0,0,.85) 0%,rgba(0,0,0,.35) 55%,rgba(0,0,0,.15) 100%),
  linear-gradient(0deg,#000 0%,transparent 45%),
  var(--photo),
  radial-gradient(ellipse 55% 55% at 72% 42%,rgba(11,107,170,.30),transparent 65%),
  radial-gradient(ellipse 80% 60% at 50% 110%,rgba(27,36,64,.9),transparent 70%),
  var(--bg-2);
  background-size:cover;background-position:center;will-change:transform}
.panel-right .panel-bg{background:
  linear-gradient(270deg,rgba(0,0,0,.85) 0%,rgba(0,0,0,.35) 55%,rgba(0,0,0,.15) 100%),
  linear-gradient(0deg,#000 0%,transparent 45%),
  var(--photo),
  radial-gradient(ellipse 55% 55% at 28% 42%,rgba(11,107,170,.30),transparent 65%),
  radial-gradient(ellipse 80% 60% at 50% 110%,rgba(27,36,64,.9),transparent 70%),
  var(--bg-2);background-size:cover;background-position:center}
.panel-right{justify-content:flex-end}
.panel-right .panel-content{text-align:right}
.panel-right .panel-content p{margin-left:auto}
.panel-content{max-width:620px;position:relative}
.panel-num{font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--blue-l);margin:0 0 20px}
.panel h2{font-size:clamp(38px,5.6vw,80px);line-height:1;margin-bottom:24px}
.panel-content>p:not(.panel-num){font-size:17px;color:#c9d1dc;max-width:470px;margin:0 0 36px}
/* Arte de línea (se oculta si pones una foto) */
.panel-art{position:absolute;z-index:-1;top:50%;right:6vw;width:min(46vw,620px);transform:translateY(-58%);fill:none;stroke:rgba(255,255,255,.22);stroke-width:1.4;stroke-linejoin:round}
.panel-right .panel-art{right:auto;left:6vw}
.has-photo .panel-art{display:none}
.art-ecg path{stroke:var(--blue-l);stroke-width:2;stroke-dasharray:1200;stroke-dashoffset:1200;filter:drop-shadow(0 0 8px rgba(56,152,224,.7))}
.in .art-ecg path{animation:draw 3.2s var(--ease) forwards}
.art-lab{width:min(34vw,440px)}
.art-lab circle{fill:var(--blue-l);stroke:none}
.art-lab g{animation:float 8s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-14px)}}
.art-gauge{width:min(40vw,520px)}
.art-gauge .g2{stroke:var(--blue-l);stroke-dasharray:3 9}
.art-gauge .needle{stroke:#fff;stroke-width:2.5;transform-origin:200px 230px;transform:rotate(-80deg);transition:transform 2s var(--ease) .3s}
.in .art-gauge .needle{transform:rotate(0)}
.art-gauge circle{fill:#fff;stroke:none}
.art-gear{width:min(34vw,440px)}
.art-gear .spin{transform-origin:200px 200px;animation:spin 40s linear infinite}
.art-gear .teeth rect{fill:rgba(255,255,255,.06)}

/* ---------- Secciones ---------- */
.section{padding:clamp(100px,14vw,170px) 0;border-top:1px solid var(--line);position:relative}
.section h2{font-size:clamp(34px,4.6vw,64px);line-height:1.02}
.section-head{max-width:760px;margin-bottom:70px}
.section-head h2{margin-bottom:26px}
.section-lead{font-size:clamp(16px,1.3vw,18px);color:var(--muted);max-width:560px;margin:0}

.lifecycle{list-style:none;margin:0 0 70px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-2);counter-reset:x}
.lifecycle li{position:relative;padding:26px 0 0;font-family:var(--display);text-transform:uppercase}
.lifecycle li::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;background:var(--blue-l);border-radius:50%;box-shadow:0 0 0 5px rgba(56,152,224,.15)}
.lifecycle b{display:block;font-size:11px;letter-spacing:.3em;color:var(--muted);font-weight:600;margin-bottom:6px}
.lifecycle span{font-size:clamp(16px,1.8vw,24px);font-weight:600;letter-spacing:.06em}

.services{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.service{background:var(--bg);padding:40px 32px 44px;transition:background .4s}
.service:hover{background:var(--panel)}
.service svg{width:42px;height:42px;fill:none;stroke:var(--blue-l);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:46px}
.service h3{font-size:16px;letter-spacing:.06em;margin-bottom:12px;line-height:1.35}
.service p{margin:0;color:var(--muted);font-size:15px}

/* Desarrollos */
.section-dev{background:radial-gradient(ellipse 60% 70% at 85% 0%,rgba(11,107,170,.16),transparent 70%),var(--bg)}
.devs{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.dev{position:relative;border:1px solid var(--line);padding:44px 40px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent);transition:border-color .4s,transform .4s var(--ease)}
.dev:hover{border-color:rgba(56,152,224,.6);transform:translateY(-4px)}
.dev-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:56px}
.tag{font-family:var(--display);font-size:10px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;padding:7px 12px;border:1px solid rgba(56,152,224,.6);color:var(--blue-l)}
.dev-code{font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.34em;color:#fff}
.dev h3{font-size:clamp(20px,2vw,26px);line-height:1.2;margin-bottom:16px}
.dev p{color:var(--muted);margin:0 0 30px}
.link{font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;display:inline-flex;gap:10px;border-bottom:1px solid var(--line-2);padding-bottom:6px;transition:border-color .3s,gap .3s}
.link:hover{border-color:#fff;gap:16px}

/* Nosotros */
.about{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end;margin-bottom:90px}
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.member{border-top:1px solid var(--line-2);padding-top:28px}
.avatar{aspect-ratio:4/5;margin-bottom:24px;background:var(--photo),radial-gradient(circle at 50% 40%,var(--navy),#05070c 75%);background-size:cover;background-position:center;display:grid;place-items:center;overflow:hidden;filter:grayscale(.15)}
.avatar img{width:28%;opacity:.5}
.has-photo .avatar img{display:none}
.role{font-family:var(--display);font-size:11px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--blue-l);margin:0 0 8px}
.member h3{font-size:18px;letter-spacing:.06em}

/* Contacto */
.contact{padding:clamp(100px,14vw,170px) 0;border-top:1px solid var(--line);background:radial-gradient(ellipse 70% 80% at 0% 100%,rgba(27,36,64,.95),transparent 70%),radial-gradient(ellipse 50% 60% at 100% 0%,rgba(11,107,170,.18),transparent 70%),#000}
.contact h2{font-size:clamp(36px,5vw,72px);line-height:1;margin-bottom:26px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.mail{display:inline-block;margin-top:40px;font-family:var(--display);font-size:clamp(18px,2vw,26px);font-weight:500;letter-spacing:.04em;border-bottom:1px solid var(--blue-l);padding-bottom:6px;transition:color .3s}
.mail:hover{color:var(--blue-l)}
.form{display:grid;gap:22px;border:1px solid var(--line);padding:40px;background:rgba(0,0,0,.45);backdrop-filter:blur(8px)}
.form label{display:grid;gap:8px}
.form label span{font-family:var(--display);font-size:11px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.form input,.form select,.form textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line-2);color:#fff;font:inherit;font-size:16px;padding:10px 0;border-radius:0;transition:border-color .3s;-webkit-appearance:none;appearance:none}
.form select{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23fff' stroke-width='1.4'/%3E%3C/svg%3E") right 4px center/12px no-repeat;padding-right:28px}
.form select option{background:#0c1018}
.form textarea{resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue-l)}
.form .btn{margin-top:10px;width:100%}
.form-note{margin:0;font-size:13px;color:var(--muted)}

/* Footer */
.footer{border-top:1px solid var(--line);padding:50px 0}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer img{height:34px;width:auto}
.footer nav{display:flex;gap:26px;flex-wrap:wrap}
.footer nav a,.footer p{font-family:var(--display);font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:0}
.footer nav a:hover{color:#fff}

/* ---------- Animación al aparecer ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.panel .reveal:nth-child(2),.section-head .reveal:nth-child(2){transition-delay:.08s}
.panel .reveal:nth-child(3),.section-head .reveal:nth-child(3){transition-delay:.16s}
.panel .reveal:nth-child(4){transition-delay:.24s}
.services .reveal:nth-child(2),.team .reveal:nth-child(2),.devs .reveal:nth-child(2){transition-delay:.1s}
.services .reveal:nth-child(3),.team .reveal:nth-child(3){transition-delay:.2s}
.services .reveal:nth-child(4){transition-delay:.3s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .hero-ecg path,.art-ecg path{stroke-dashoffset:0}
}

/* ---------- Páginas de Novedades / artículo ---------- */
.page-hero{padding:190px 0 90px;border-bottom:1px solid var(--line);background:radial-gradient(ellipse 60% 80% at 80% 0%,rgba(11,107,170,.22),transparent 70%),#000}
.page-hero h1{font-size:clamp(40px,6vw,88px);line-height:1}
.page-hero .section-lead{margin-top:24px}
.posts{padding:80px 0 140px;display:grid;gap:0}
.post-card{display:grid;grid-template-columns:220px 1fr auto;gap:40px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line);transition:padding .4s var(--ease)}
.post-card:hover{padding-left:14px}
.post-card time,.post-meta{font-family:var(--display);font-size:11px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.post-card h2{font-size:clamp(22px,2.6vw,34px);line-height:1.15;margin-bottom:10px}
.post-card p{margin:0;color:var(--muted);max-width:620px}
.post-card .arrow{font-size:28px;color:var(--blue-l);transition:transform .4s var(--ease)}
.post-card:hover .arrow{transform:translateX(8px)}
.empty{color:var(--muted);padding:44px 0}
.article{max-width:760px;margin:0 auto;padding:80px var(--gutter) 140px}
.article h2{font-size:clamp(22px,2.4vw,30px);margin:70px 0 20px;line-height:1.2}
.article p,.article li{font-size:18px;color:#c9d1dc}
.article ul{padding-left:0;list-style:none;margin:0;border-top:1px solid var(--line)}
.article li{padding:18px 0 18px 34px;border-bottom:1px solid var(--line);position:relative}
.article li::before{content:"";position:absolute;left:4px;top:30px;width:8px;height:8px;background:var(--blue-l);border-radius:50%}
.article li strong{color:#fff;font-weight:500}
.callout{margin:60px 0 0;padding:32px;border:1px solid rgba(56,152,224,.5);background:rgba(11,107,170,.08)}
.callout p{margin:0 0 22px}
.back{display:inline-flex;margin-bottom:34px}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .services{grid-template-columns:1fr 1fr}
  .about,.contact-grid{grid-template-columns:1fr;gap:40px}
  .devs{grid-template-columns:1fr}
}
@media (max-width:860px){
  .menu{display:block}
  .nav{position:fixed;inset:0;flex-direction:column;justify-content:center;gap:30px;background:rgba(0,0,0,.97);opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s}
  .nav.open{opacity:1;visibility:visible}
  .nav a{font-size:16px}
  .panel,.panel-right{justify-content:flex-start;padding-bottom:90px}
  .panel-right .panel-content{text-align:left}
  .panel-right .panel-content p{margin-left:0}
  .panel-art,.panel-right .panel-art{left:auto;right:-10vw;top:30%;width:85vw;opacity:.7}
  .panel-bg,.panel-right .panel-bg{background:
    linear-gradient(0deg,#000 10%,rgba(0,0,0,.55) 55%,rgba(0,0,0,.2) 100%),
    var(--photo),
    radial-gradient(ellipse 80% 50% at 70% 30%,rgba(11,107,170,.3),transparent 65%),
    var(--bg-2);background-size:cover;background-position:center}
  .team{grid-template-columns:1fr 1fr}
  .post-card{grid-template-columns:1fr;gap:12px}
  .post-card .arrow{display:none}
}
@media (max-width:600px){
  .hero{padding-bottom:130px}
  .hero-strip{gap:10px;font-size:9px;letter-spacing:.12em;bottom:36px}
  .panel h2{font-size:8.4vw}
  .section h2,.contact h2{overflow-wrap:anywhere}
  .scroll-cue{display:none}
  .hero-orbit{right:-50vw;width:130vw}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .panel .btn{width:auto}
  .lifecycle{grid-template-columns:1fr 1fr;row-gap:34px}
  .services,.team{grid-template-columns:1fr}
  .form{padding:26px 20px}
  .dev{padding:34px 24px}
  .footer-grid{flex-direction:column;align-items:flex-start}
}