/* =========================================================
   SIASE WEB360 — Design tokens
   Paleta extraída del isotipo (esfera de nodos SIASE)
   ========================================================= */
:root{
  --navy-950:#0F1030;
  --navy-900:#171A4A;
  --navy-800:#23245D;
  --navy-700:#2E3172;
  --blue-600:#0087C6;
  --blue-500:#1AA0DA;
  --cyan-400:#00BDE7;
  --cyan-300:#5AD8F2;

  --bg:#F5F7FB;
  --bg-alt:#EEF2F9;
  --white:#FFFFFF;
  --ink:#181B32;
  --ink-soft:#565B78;
  --ink-faint:#8388A3;
  --line:#E2E6F1;
  --line-dark:rgba(255,255,255,.14);

  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;

  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:26px;
  --container:1260px;

  --shadow-card:0 24px 48px -28px rgba(15,16,48,.28);
  --shadow-soft:0 12px 28px -18px rgba(15,16,48,.22);

  --ease:cubic-bezier(.16,.84,.44,1);
}

/* =========================================================
   Reset & base
   ========================================================= */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--navy-900);
  margin:0 0 .5em;
  line-height:1.12;
  letter-spacing:-.01em;
}
p{margin:0 0 1em;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}
section{position:relative;}

/* Accessibility: skip link */
.screen-reader-text{
  border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);
  height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;
  width:1px;word-wrap:normal !important;
}
.skip-link.screen-reader-text:focus{
  background:var(--navy-950);
  color:var(--white);
  display:block;
  clip:auto !important;clip-path:none;
  height:auto;width:auto;
  left:16px;top:16px;
  padding:14px 20px;
  border-radius:8px;
  z-index:100000;
  font-family:var(--font-body);
  font-size:14px;
}

/* Focus visibility (accessibility) */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--cyan-400);
  outline-offset:3px;
  border-radius:4px;
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

/* =========================================================
   Utility
   ========================================================= */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--blue-600);
  font-weight:500;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;
  background:var(--cyan-400);
  display:inline-block;
}
.section-head{
  max-width:680px;
  margin:0 0 56px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(28px,4vw,40px);}
.section-head p{color:var(--ink-soft);font-size:17px;margin-top:14px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:15px 28px;
  border-radius:999px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:15px;
  border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan-400),var(--blue-600));
  color:var(--white);
  box-shadow:0 14px 28px -12px rgba(0,135,198,.55);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(0,135,198,.65);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-dark);
  color:var(--white);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);}
.btn-outline{
  background:transparent;
  border-color:var(--line);
  color:var(--navy-900);
}
.btn-outline:hover{border-color:var(--blue-600);color:var(--blue-600);}
.btn-block{width:100%;}

.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  padding:18px 0;
  transition:background .3s var(--ease),padding .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.site-header.is-scrolled{
  background:rgba(15,16,48,.86);
  backdrop-filter:blur(14px);
  padding:12px 0;
  box-shadow:0 12px 30px -20px rgba(0,0,0,.5);
}
.site-branding{display:flex;align-items:center;gap:12px;}
.site-branding img{height:125px;width:auto;}
.site-branding .logo-fallback{
  font-family:var(--font-display);
  color:var(--white);
  font-weight:700;
  font-size:19px;
  letter-spacing:.01em;
}
.main-navigation{display:flex;align-items:center;gap:6px;}
.main-navigation ul{display:flex;align-items:center;gap:6px;}
.main-navigation a{
  color:rgba(255,255,255,.82);
  font-size:14.5px;
  font-weight:500;
  padding:10px 16px;
  border-radius:999px;
  transition:background .2s,color .2s;
}
.main-navigation a:hover{background:rgba(255,255,255,.1);color:var(--white);}
.header-actions{display:flex;align-items:center;gap:14px;}
.menu-toggle{
  display:none;
  background:transparent;border:1px solid var(--line-dark);
  border-radius:10px;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  color:var(--white);
}
.menu-toggle svg{width:20px;height:20px;}

@media (max-width:900px){
  .main-navigation{
    position:fixed;
    inset:0 0 0 auto;
    top:0;
    height:100vh;
    width:min(320px,86vw);
    background:var(--navy-950);
    flex-direction:column;
    align-items:stretch;
    padding:96px 26px 26px;
    transform:translateX(100%);
    transition:transform .35s var(--ease);
    box-shadow:-20px 0 60px rgba(0,0,0,.35);
  }
  .main-navigation.is-open{transform:translateX(0);}
  .main-navigation ul{flex-direction:column;align-items:stretch;gap:4px;}
  .main-navigation a{padding:14px 16px;font-size:16px;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .main-navigation .btn-primary{display:inline-flex;margin-top:18px;}
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;
  background:radial-gradient(120% 140% at 78% -10%,#1b2a6b 0%,var(--navy-900) 46%,var(--navy-950) 100%);
  padding:172px 0 120px;
  overflow:hidden;
  color:var(--white);
}
.hero-network{
  position:absolute;
  inset:0;
  z-index:0;
  opacity:.9;
}
.hero-network canvas{width:100%;height:100%;display:block;}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,560px) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan-300);
  padding:8px 16px 8px 8px;
  border:1px solid rgba(0,189,231,.35);
  border-radius:999px;
  background:rgba(0,189,231,.08);
  margin-bottom:26px;
}
.hero-kicker .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan-400);
  box-shadow:0 0 0 4px rgba(0,189,231,.18);
}
.hero h1{
  font-size:clamp(34px,4.8vw,54px);
  color:var(--white);
  font-weight:600;
  margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--cyan-300),var(--blue-500) 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{
  font-size:18px;
  color:rgba(255,255,255,.72);
  max-width:520px;
  margin-bottom:36px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:64px;}

.hero-visual{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  border:1px solid var(--line-dark);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;display:block;}

.device-strip{
  display:flex;flex-wrap:wrap;
  gap:10px 34px;
  padding-top:34px;
  border-top:1px solid var(--line-dark);
}
.device-strip .label{
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(255,255,255,.45);
  width:100%;
  margin-bottom:6px;
}
.device-item{
  display:flex;align-items:center;gap:9px;
  color:rgba(255,255,255,.82);
  font-size:14.5px;font-weight:500;
}
.device-item svg{width:19px;height:19px;color:var(--cyan-300);flex-shrink:0;}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;max-width:480px;margin:0 auto 8px;}
}
@media (max-width:640px){
  .hero{padding:140px 0 84px;}
  .hero-actions{margin-bottom:48px;}
}

/* =========================================================
   Marquee / convive strip
   ========================================================= */
.convive-bar{
  background:var(--navy-950);
  color:rgba(255,255,255,.55);
  padding:16px 0;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.04em;
  border-top:1px solid var(--line-dark);
  text-align:center;
}
.convive-bar strong{color:var(--cyan-300);font-weight:600;}

/* =========================================================
   Modules section
   ========================================================= */
.modules{padding:120px 0 100px;}
.modules-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.module-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:26px 24px 24px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.module-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card);
  border-color:transparent;
}
.module-icon{
  display:inline-flex;
  align-items:center;justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg, var(--bg-alt), #E4E9F4);
  color:var(--blue-600);
  margin-bottom:14px;
  transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease);
}
.module-icon svg{width:17px;height:17px;}
.module-card:hover .module-icon{
  background:linear-gradient(135deg,var(--cyan-400),var(--blue-600));
  color:var(--white);
  transform:scale(1.06);
}
.module-card h3{
  font-size:17.5px;
  margin-bottom:8px;
  color:var(--navy-900);
}
.module-card p{
  font-size:14.5px;
  color:var(--ink-soft);
  margin:0;
  line-height:1.55;
}

@media (max-width:980px){
  .modules-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:620px){
  .modules-grid{grid-template-columns:1fr;}
  .modules{padding:84px 0 70px;}
}

/* =========================================================
   Preview / browser mockup
   ========================================================= */
.preview{
  padding:90px 0 120px;
  background:var(--bg-alt);
  overflow:hidden;
}
.preview .container{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:64px;
  align-items:center;
}
.preview-copy .section-head{margin-bottom:28px;}
.preview-list{display:flex;flex-direction:column;gap:16px;margin-bottom:34px;}
.preview-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink-soft);
}
.preview-list svg{width:20px;height:20px;flex-shrink:0;color:var(--blue-600);margin-top:1px;}
.preview-list strong{color:var(--navy-900);}

.browser-frame{
  background:var(--white);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  border:1px solid var(--line);
  display:flex;
  flex-direction:column;
  max-height:560px;
  max-width:80%;
}
.browser-bar{
  display:initial;
  padding:6px 10px;
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
  flex:0 0 auto;
}
.browser-bar span{width:10px;height:10px;border-radius:50%;background:#D7DCE8;}
.browser-bar .url{
  margin-left:14px;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--ink-faint);
  background:var(--white);
  border:1px solid var(--line);
  padding:5px 12px;
  border-radius:999px;
  flex:1;
  max-width:280px;
}
.browser-frame img{
  width:100%;
  flex:1 1 auto;
  min-height:0;
  object-fit:fill;
  object-position:top center;
  display:block;
}

@media (max-width:980px){
  .preview .container{grid-template-columns:1fr;gap:44px;}
  .browser-frame{height:auto !important;}
  .browser-frame img{flex:none;height:auto;max-height:420px;}
}

/* =========================================================
   Benefits
   ========================================================= */
.benefits{padding:110px 0;}
.benefits-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.benefit-card{
  padding:30px 24px;
  border-radius:var(--radius-md);
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.benefit-card .icon{
  width:46px;height:46px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--cyan-400),var(--blue-600));
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.benefit-card .icon svg{width:22px;height:22px;color:var(--white);}
.benefit-card h3{font-size:16.5px;margin-bottom:8px;}
.benefit-card p{font-size:14px;color:var(--ink-soft);margin:0;}

@media (max-width:980px){.benefits-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.benefits-grid{grid-template-columns:1fr;}.benefits{padding:80px 0;}}

/* =========================================================
   CTA / Demo
   ========================================================= */
.cta-demo{
  position:relative;
  background:linear-gradient(155deg,var(--navy-950) 0%,var(--navy-800) 68%,var(--blue-600) 140%);
  color:var(--white);
  padding:110px 0;
  overflow:hidden;
}
.cta-demo .container{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1fr .9fr;
  gap:60px;
  align-items:start;
}
.cta-copy .eyebrow{color:var(--cyan-300);}
.cta-copy .eyebrow::before{background:var(--cyan-300);}
.cta-copy h2{color:var(--white);font-size:clamp(28px,4vw,38px);}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16.5px;max-width:460px;}
.cta-note{
  margin-top:28px;
  padding:16px 18px;
  border:1px dashed rgba(255,255,255,.28);
  border-radius:var(--radius-sm);
  font-size:14px;
  color:rgba(255,255,255,.68);
}

.contact-countries{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:34px;
}
.contact-country{
  padding:18px 16px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.contact-country h4{
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan-300);
  margin:0 0 10px;
  font-weight:500;
}
.contact-country a{
  display:block;
  font-size:14.5px;
  color:rgba(255,255,255,.88);
  line-height:1.7;
  transition:color .2s;
}
.contact-country a:hover{color:var(--cyan-300);}

.contact-extra{
  display:flex;flex-wrap:wrap;gap:24px;
  margin-top:22px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
}
.contact-extra-item{font-size:14px;color:rgba(255,255,255,.72);}
.contact-extra-item strong{
  display:block;
  font-family:var(--font-mono);
  font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;
  color:rgba(255,255,255,.45);
  margin-bottom:5px;
  font-weight:500;
}
.contact-extra-item a{color:var(--cyan-300);}

@media (max-width:640px){
  .contact-countries{grid-template-columns:1fr;}
}

.demo-form{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:34px;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.45);
}
.demo-form h3{color:var(--navy-900);font-size:19px;margin-bottom:4px;}
.demo-form .sub{color:var(--ink-soft);font-size:14px;margin-bottom:22px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-field{margin-bottom:16px;}
.form-field label{
  display:block;font-size:13px;font-weight:600;color:var(--navy-900);margin-bottom:6px;
}
.required-mark{
  color:#E0304A;
  font-weight:700;
}
.form-field input,.form-field textarea,.form-field select{
  width:100%;
  padding:12px 14px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--bg);
  font-family:var(--font-body);
  font-size:14.5px;
  color:var(--ink);
  transition:border-color .2s;
}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{
  border-color:var(--blue-600);
  outline:none;
}
.form-field textarea{resize:vertical;min-height:90px;}
.form-honeypot{position:absolute;left:-9999px;top:-9999px;}
.form-note{font-size:12px;color:var(--ink-faint);margin-top:12px;}
.form-status{
  margin-top:14px;padding:12px 14px;border-radius:10px;font-size:13.5px;display:none;
}
.form-status.is-success{display:block;background:#E7F8F0;color:#0F7A4D;}
.form-status.is-error{display:block;background:#FCEBEE;color:#B3273E;}

@media (max-width:980px){
  .cta-demo .container{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .demo-form{padding:24px;}
  .cta-demo{padding:80px 0;}
}

/* =========================================================
   Páginas genéricas / blog / comentarios
   ========================================================= */
.generic-page{padding:168px 0 110px;}
.generic-page__head{max-width:760px;margin:0 auto 40px;text-align:center;}
.generic-page__head h1{font-size:clamp(30px,4.6vw,44px);}
.generic-page__body{max-width:760px;margin:0 auto;font-size:16.5px;color:var(--ink-soft);}
.generic-page__body h2{color:var(--navy-900);margin-top:1.6em;}
.generic-page__body a{color:var(--blue-600);text-decoration:underline;}
.generic-page__body img{border-radius:var(--radius-md);margin:1.2em 0;}

.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;max-width:900px;margin:0 auto;}
.post-list__item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;}
.post-list__thumb img{aspect-ratio:16/10;object-fit:cover;}
.post-list__item h2{font-size:18px;padding:20px 20px 0;}
.post-list__item h2 a{color:var(--navy-900);}
.post-list__meta{font-family:var(--font-mono);font-size:12px;color:var(--ink-faint);padding:6px 20px 0;}
.post-list__excerpt{padding:10px 20px 22px;color:var(--ink-soft);font-size:14.5px;}
.post-list__pagination{max-width:900px;margin:40px auto 0;text-align:center;}
.single-thumb{max-width:800px;margin:0 auto 30px;}
.single-thumb img{border-radius:var(--radius-md);}

.comments-area{max-width:760px;margin:60px auto 0;border-top:1px solid var(--line);padding-top:40px;}
.comments-title{font-size:22px;}
.comment-list{list-style:none;padding:0;}
.comment-list .comment-body{padding:18px 0;border-bottom:1px solid var(--line);}
.no-comments{color:var(--ink-soft);}

@media (max-width:700px){
  .post-list{grid-template-columns:1fr;}
  .generic-page{padding:130px 0 70px;}
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  background:var(--navy-950);
  color:rgba(255,255,255,.6);
  padding:70px 0 30px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand__name{
  font-family:var(--font-display);
  font-size:22px;
  font-weight:700;
  color:var(--white);
  letter-spacing:.01em;
  margin:0 0 14px;
}
.footer-brand p{font-size:14px;line-height:1.6;max-width:280px;color:rgba(255,255,255,.5);}
.footer-tagline{
  font-family:var(--font-mono);
  font-size:12.5px;letter-spacing:.08em;
  color:var(--cyan-300);
  text-transform:uppercase;
  margin-top:14px;
}
.footer-col h4{
  color:var(--white);
  font-size:13.5px;
  text-transform:uppercase;
  letter-spacing:.06em;
  margin-bottom:16px;
  font-family:var(--font-mono);
  font-weight:500;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s;}
.footer-col a:hover{color:var(--cyan-300);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:26px;
  font-size:13px;
  color:rgba(255,255,255,.4);
}

@media (max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .footer-top{grid-template-columns:1fr;}
  .site-footer{padding:54px 0 24px;}
}