/* Eventos Interactivos — Tecnoblue Systems S.L.
   Hoja de estilos única. Sin dependencias externas. */

:root{
  --bg:#070b16;
  --bg-2:#0d1424;
  --bg-3:#131c30;
  --line:#1e2b45;
  --txt:#e8edf7;
  --txt-2:#9fb0cc;
  --accent:#00b4ff;
  --accent-2:#7c5cff;
  --accent-3:#00e5a0;
  --warn:#ffb020;
  --radius:14px;
  --max:1180px;
  --font:'Segoe UI',system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--font);font-size:17px;line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .6em;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5vw,3.3rem)}
h2{font-size:clamp(1.5rem,3.4vw,2.3rem)}
h3{font-size:clamp(1.15rem,2.2vw,1.45rem)}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
li{margin-bottom:.45em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.narrow{max-width:820px;margin-left:auto;margin-right:auto}
section{padding:70px 0}
section.tight{padding:46px 0}
.alt{background:var(--bg-2)}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin-bottom:14px;
}
.lead{font-size:1.15rem;color:var(--txt-2)}
.muted{color:var(--txt-2)}
.center{text-align:center}

/* ---------- Header ---------- */
.topbar{
  background:var(--bg-3);border-bottom:1px solid var(--line);
  font-size:.85rem;color:var(--txt-2);
}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.topbar a{color:var(--txt-2)}
.topbar strong{color:var(--txt)}

header.site{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:13px;font-weight:800;font-size:1.05rem;color:#fff;letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo img{height:34px;width:auto;flex:0 0 auto}
.logo .logo-txt{
  padding-left:13px;border-left:1px solid var(--line);
  line-height:1.15;
}
.logo small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.11em;color:var(--txt-2);text-transform:uppercase;margin-top:2px}
footer.site .logo img{height:40px}
@media(max-width:520px){
  .logo .logo-txt{display:none}
  .logo img{height:32px}
}

nav.main{display:flex;align-items:center;gap:4px}
nav.main > ul{display:flex;list-style:none;margin:0;padding:0;gap:2px}
nav.main > ul > li{position:relative;margin:0}
nav.main a{
  display:block;padding:9px 13px;border-radius:9px;
  color:var(--txt);font-size:.93rem;font-weight:600;
}
nav.main a:hover{background:var(--bg-3);text-decoration:none;color:var(--accent)}
nav.main a[aria-current="page"]{color:var(--accent)}
.submenu{
  position:absolute;top:100%;left:0;min-width:265px;list-style:none;margin:0;padding:8px;
  background:var(--bg-3);border:1px solid var(--line);border-radius:12px;
  box-shadow:0 22px 50px rgba(0,0,0,.55);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.16s;
}
nav.main li:hover > .submenu,nav.main li:focus-within > .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{font-weight:500;font-size:.9rem;padding:8px 11px}

.btn{
  display:inline-block;padding:13px 26px;border-radius:11px;border:0;cursor:pointer;
  font-weight:700;font-size:.97rem;font-family:inherit;text-align:center;
}
.btn:hover{text-decoration:none;filter:brightness(1.1)}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#03111f}
.btn-ghost{background:transparent;color:var(--txt);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:9px 17px;font-size:.87rem}

.burger{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:9px 11px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--txt);margin:4px 0;border-radius:2px}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:88px 0 76px;overflow:hidden;
  background:
    radial-gradient(1000px 520px at 78% -8%,rgba(0,180,255,.20),transparent 62%),
    radial-gradient(760px 460px at 6% 108%,rgba(124,92,255,.17),transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero h1 strong{
  background:linear-gradient(100deg,var(--accent),var(--accent-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-media img{border-radius:var(--radius);border:1px solid var(--line);width:100%}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-facts div strong{display:block;font-size:1.6rem;color:var(--accent);line-height:1.1}
.hero-facts div span{font-size:.83rem;color:var(--txt-2)}

/* ---------- Breadcrumb ---------- */
.crumbs{font-size:.84rem;color:var(--txt-2);padding:14px 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0}
.crumbs li::after{content:"›";margin-left:7px;color:var(--line)}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--txt-2)}

/* ---------- Grids & cards ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.18s;
}
.card:hover{border-color:var(--accent);transform:translateY(-3px)}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line)}
.card-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.card h3{margin-bottom:.45em;font-size:1.1rem}
.card p{font-size:.93rem;color:var(--txt-2);margin-bottom:1em}
.card .more{margin-top:auto;font-size:.88rem;font-weight:700}
.card .price{font-size:.83rem;color:var(--accent-3);font-weight:700;margin-bottom:.7em}

.feature{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.feature .ico{
  width:44px;height:44px;border-radius:11px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(0,180,255,.12);border:1px solid rgba(0,180,255,.3);font-size:1.25rem;
}
.feature h3{font-size:1.05rem}
.feature p{font-size:.93rem;color:var(--txt-2);margin:0}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split img{border-radius:var(--radius);border:1px solid var(--line)}

/* ---------- Tablas ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2)}
table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:460px}
caption{text-align:left;padding:16px 20px 0;font-weight:700;color:var(--txt)}
th,td{padding:13px 20px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--bg-3);font-size:.8rem;letter-spacing:.07em;text-transform:uppercase;color:var(--txt-2)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(0,180,255,.045)}
td.num{color:var(--accent-3);font-weight:700;white-space:nowrap}

/* ---------- Listas de comprobación ---------- */
.check{list-style:none;padding:0}
.check li{position:relative;padding-left:30px;margin-bottom:.6em}
.check li::before{
  content:"";position:absolute;left:0;top:.52em;width:16px;height:16px;border-radius:5px;
  background:rgba(0,229,160,.14);border:1px solid var(--accent-3);
}
.check li::after{
  content:"";position:absolute;left:5px;top:.72em;width:5px;height:9px;
  border:solid var(--accent-3);border-width:0 2px 2px 0;transform:rotate(45deg);
}

.pills{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0;margin:0}
.pills li{
  margin:0;background:var(--bg-3);border:1px solid var(--line);border-radius:999px;
  padding:7px 15px;font-size:.85rem;color:var(--txt-2);
}

/* ---------- FAQ ---------- */
details.faq{
  background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:16px 20px;margin-bottom:12px;
}
details.faq summary{cursor:pointer;font-weight:700;list-style:none;font-size:1.02rem}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";float:right;color:var(--accent);font-weight:800}
details.faq[open] summary::after{content:"–"}
details.faq p{margin:14px 0 2px;color:var(--txt-2);font-size:.95rem}

/* ---------- Vídeo ---------- */
.video-wrap{max-width:100%;margin-left:auto;margin-right:auto;
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:#000;margin-top:22px;
  box-shadow:0 18px 50px rgba(0,0,0,.45);
}
.video-wrap video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#000}
.video-pie{margin-top:14px;font-size:.88rem;color:var(--txt-2)}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(135deg,rgba(0,180,255,.15),rgba(124,92,255,.15));
  border:1px solid var(--line);border-radius:18px;padding:44px;text-align:center;
}
.cta h2{margin-bottom:.4em}
.cta .btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:22px}

/* ---------- Formulario ---------- */
form.contact{display:grid;gap:16px;grid-template-columns:1fr 1fr}
form.contact .full{grid-column:1/-1}
label{display:block;font-size:.87rem;font-weight:600;margin-bottom:6px;color:var(--txt-2)}
input,select,textarea{
  width:100%;padding:12px 14px;border-radius:10px;font-family:inherit;font-size:.96rem;
  background:var(--bg-3);border:1px solid var(--line);color:var(--txt);
}
input:focus,select,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
textarea{min-height:130px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--txt-2)}
.consent input{width:auto;margin-top:4px;flex:0 0 auto}

/* ---------- Footer ---------- */
footer.site{background:var(--bg-2);border-top:1px solid var(--line);padding:56px 0 26px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
footer.site h4{font-size:.8rem;letter-spacing:.13em;text-transform:uppercase;color:var(--txt-2);margin-bottom:14px}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin-bottom:8px}
footer.site a{color:var(--txt-2);font-size:.9rem}
footer.site a:hover{color:var(--accent)}
.foot-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.82rem;color:var(--txt-2);
}
.seo-cloud{margin-top:28px;font-size:.78rem;color:#4b5b78;line-height:1.9}
.seo-cloud a{color:#4b5b78;font-size:.78rem}

/* ---------- Barra móvil fija ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:var(--bg-3);border-top:1px solid var(--line);padding:9px 12px;
  gap:9px;
}
.mobile-cta a{flex:1;padding:12px 8px;font-size:.9rem}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero-grid,.split{grid-template-columns:1fr;gap:34px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  body{font-size:16px}
  section{padding:52px 0}
  .burger{display:block}
  nav.main{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--bg-3);border-bottom:1px solid var(--line);
    padding:14px 22px 22px;max-height:74vh;overflow-y:auto;
  }
  nav.main.open{display:block}
  nav.main > ul{flex-direction:column;gap:0}
  nav.main a{padding:11px 6px;border-bottom:1px solid var(--line)}
  .submenu{
    position:static;opacity:1;visibility:visible;transform:none;
    background:transparent;border:0;box-shadow:none;padding:0 0 6px 14px;
  }
  .submenu a{border-bottom:0;padding:8px 6px;color:var(--txt-2)}
  .g3,.g2,.g4{grid-template-columns:1fr}
  form.contact{grid-template-columns:1fr}
  .cta{padding:30px 22px}
  .mobile-cta{display:flex}
  body{padding-bottom:66px}
  .topbar .wrap{font-size:.78rem}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}