/* ══════════════════════════════════════════════
   Blue4 Alliance
   ══════════════════════════════════════════════ */

:root{
  --bg:#08101f;
  --bg2:#0c1628;
  --bg3:#122036;
  --line:rgba(255,255,255,.09);
  --line2:rgba(255,255,255,.16);
  --fg:#eef3fb;
  --fg2:#a9b6cc;
  --fg3:#72819a;
  --blue:#0f62fe;
  --blue-l:#78a9ff;
  --cyan:#33d6e8;
  --hot:#0f62fe;
  --err:#ff8389;
  --ok:#42be65;
  --r:14px;
  --wrap:1160px;
  --sans:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}}

body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--blue-l);outline-offset:3px;border-radius:4px}
[hidden]{display:none!important}

.skip{position:absolute;left:-999px;top:0;z-index:200;background:var(--blue);color:#fff;padding:.7rem 1.1rem;border-radius:0 0 8px 0}
.skip:focus{left:0}

.wrap{width:min(100% - 2rem,var(--wrap));margin-inline:auto}
.sec{padding:clamp(64px,9vw,112px) 0}
.sec--alt{background:var(--bg2);border-block:1px solid var(--line)}

/* ── Tipografía ── */
.h1{
  font-size:clamp(2.3rem,6vw,4rem);line-height:1.04;letter-spacing:-.035em;
  font-weight:700;margin:1rem 0 0;
}
.h2{
  font-size:clamp(1.75rem,4.2vw,2.7rem);line-height:1.12;letter-spacing:-.025em;
  font-weight:600;margin:.4rem 0 0;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--fg3);margin:0;
}
.eyebrow--hot{color:var(--cyan)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(51,214,232,.15)}
.lede{color:var(--fg2);font-size:clamp(1rem,1.7vw,1.15rem);max-width:60ch;margin:1.1rem 0 0}
.grad{background:linear-gradient(96deg,var(--blue-l),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ── Botones ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  background:var(--blue);color:#fff;text-decoration:none;font-weight:500;
  padding:.72rem 1.35rem;border-radius:10px;border:1px solid transparent;
  font-size:.95rem;cursor:pointer;font-family:inherit;white-space:nowrap;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:hover{background:#0353e9;transform:translateY(-1px);box-shadow:0 8px 24px -8px rgba(15,98,254,.7)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.6;cursor:progress;transform:none;box-shadow:none}
.btn--sm{padding:.5rem 1rem;font-size:.87rem}
.btn--lg{padding:.95rem 1.9rem;font-size:1.03rem}
.btn--full{width:100%}
.btn--ghost{background:transparent;border-color:var(--line2);color:var(--fg)}
.btn--ghost:hover{background:rgba(255,255,255,.06);box-shadow:none}

/* ── Navegación ── */
.nav{position:sticky;top:0;z-index:50;background:rgba(8,16,31,.72);
  backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);
  border-bottom:1px solid transparent;transition:border-color .2s ease,background .2s ease}
.nav.is-stuck{border-color:var(--line);background:rgba(8,16,31,.9)}
.nav__in{display:flex;align-items:center;gap:1.5rem;height:68px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;margin-right:auto}
.brand__mark{width:28px;height:28px;fill:var(--blue)}
.brand__hot{fill:var(--cyan)}
.brand__txt{font-weight:600;font-size:1.12rem;letter-spacing:-.01em}
.brand__txt b{color:var(--cyan);font-weight:700}
.brand__txt span{color:var(--fg2);font-weight:400}
.nav__links{display:flex;gap:1.6rem}
.nav__links a{text-decoration:none;color:var(--fg2);font-size:.92rem}
.nav__links a:hover{color:var(--fg)}
@media (max-width:760px){.nav__links{display:none}}

/* ── Hero ── */
.hero{position:relative;overflow:hidden;padding:clamp(48px,7vw,96px) 0 clamp(64px,8vw,112px)}
.hero__glow{position:absolute;inset:-20% -10% auto auto;width:900px;height:700px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(15,98,254,.28),transparent 70%),
             radial-gradient(closest-side at 70% 60%,rgba(51,214,232,.14),transparent 70%)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(ellipse 70% 60% at 30% 30%,#000 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 30% 30%,#000 20%,transparent 75%)}
.hero__grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
@media (max-width:940px){.hero__grid{grid-template-columns:1fr}}

.checks{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:.75rem;max-width:56ch}
.checks li{position:relative;padding-left:1.9rem;color:var(--fg2)}
.checks li::before{content:"";position:absolute;left:0;top:.28em;width:1.1rem;height:1.1rem;border-radius:50%;
  background:rgba(51,214,232,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2333d6e8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/70% no-repeat}

.allies{margin-top:2.4rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.allies__t{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fg3);margin:0}
.allies__row{display:flex;align-items:center;gap:1.2rem;margin-top:1rem;flex-wrap:wrap}
.allies__list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;flex:1 1 360px}
.allies__list li{display:grid;place-items:center;height:64px;padding:.6rem .9rem;border:1px solid var(--line2);
  border-radius:10px;background:rgba(255,255,255,.03)}
/* Los logotipos llegan en colores distintos (blancos, TPS en azul marino, IBM
   en gris). Se igualan a blanco para que ninguno se pierda en el fondo oscuro
   ni destaque sobre los demás. */
.allies__list img,.allies__ibm{filter:brightness(0) invert(1);opacity:.9}
.allies__list img{max-height:100%;width:auto;max-width:100%;object-fit:contain}
.allies__ibm{height:56px;width:auto;padding-left:1.2rem;border-left:1px solid var(--line2)}
@media (max-width:560px){.allies__list{grid-template-columns:1fr 1fr}
  .allies__ibm{border-left:0;padding-left:0}}

/* ── Formulario ── */
.formcard{background:linear-gradient(180deg,rgba(18,32,54,.92),rgba(12,22,40,.92));border:1px solid var(--line2);
  border-radius:20px;padding:clamp(1.4rem,3vw,2.2rem);box-shadow:0 30px 80px -30px rgba(0,0,0,.7);scroll-margin-top:90px}
.formcard__t{font-size:1.55rem;line-height:1.2;letter-spacing:-.02em;font-weight:600;margin:.7rem 0 1.4rem}
.form{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{display:grid;gap:.35rem;min-width:0}
.field--full{grid-column:1/-1}
@media (max-width:520px){.form{grid-template-columns:1fr}}
.field label{font-size:.82rem;color:var(--fg2);font-weight:500}
.field label span{color:var(--cyan)}
.field input,.field select{
  width:100%;font:inherit;font-size:.95rem;color:var(--fg);background:rgba(8,16,31,.7);
  border:1px solid var(--line2);border-radius:10px;padding:.72rem .85rem;
  transition:border-color .15s ease,box-shadow .15s ease}
.field select{appearance:none;-webkit-appearance:none;padding-right:2.4rem;cursor:pointer;
  background:rgba(8,16,31,.7) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a9b6cc' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") right .8rem center/16px no-repeat}
.field select option{background:var(--bg2);color:var(--fg)}
.field input::placeholder{color:var(--fg3)}
.field input:focus,.field select:focus{outline:none;border-color:var(--blue-l);box-shadow:0 0 0 3px rgba(120,169,255,.2)}
.field [aria-invalid="true"]{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,131,137,.15)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .btn{margin-top:.4rem}
.form__msg{margin:0;font-size:.9rem;min-height:1.2em;color:var(--fg2)}
.form__msg.err{color:var(--err)}
.form__msg.ok{color:var(--ok)}
.form__legal{display:flex;gap:.5rem;align-items:center;margin:0;font-size:.8rem;color:var(--fg3)}
.form__legal svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:2}

.done{text-align:center;padding:2rem 0 1rem}
.done__ic{display:inline-grid;place-items:center;width:56px;height:56px;border-radius:50%;
  background:rgba(66,190,101,.15);color:var(--ok);font-size:1.6rem;font-weight:700}
.done h3{font-size:1.5rem;margin:1rem 0 .4rem;letter-spacing:-.02em}
.done p{color:var(--fg2);margin:0 auto 1.4rem;max-width:36ch}

/* ── Tarjetas ── */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:2.6rem}
@media (max-width:860px){.cards{grid-template-columns:1fr}}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:1.8rem;
  transition:border-color .2s ease,transform .2s ease}
.card:hover{border-color:var(--line2);transform:translateY(-2px)}
.card__ic{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;
  background:rgba(15,98,254,.14);border:1px solid rgba(120,169,255,.25)}
.card__ic svg{width:22px;height:22px;fill:none;stroke:var(--blue-l);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.2rem;margin:1.1rem 0 .5rem;letter-spacing:-.01em}
.card p{color:var(--fg2);margin:0;font-size:.97rem}

/* ── Catálogo ── */
.tabs{display:flex;gap:.4rem;margin-top:2.4rem;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{font:inherit;font-size:.93rem;font-weight:500;color:var(--fg3);background:none;border:0;
  border-bottom:2px solid transparent;padding:.85rem 1rem;cursor:pointer;white-space:nowrap;margin-bottom:-1px;
  transition:color .15s ease,border-color .15s ease}
.tab:hover{color:var(--fg)}
.tab[aria-selected="true"]{color:var(--fg);border-color:var(--cyan)}
.panels{margin-top:2rem}
.panel{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start;
  background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:clamp(1.5rem,4vw,2.6rem)}
.panel + .panel{margin-top:1rem}
.js .panel + .panel{margin-top:0}
@media (max-width:760px){.panel{grid-template-columns:1fr}}
.panel__n{font-family:var(--mono);color:var(--cyan);font-size:.8rem;letter-spacing:.12em;margin:0}
.panel h3{font-size:clamp(1.35rem,2.6vw,1.8rem);letter-spacing:-.02em;line-height:1.2;margin:.5rem 0 .8rem}
.panel p{color:var(--fg2);margin:0}
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.ticks li{position:relative;padding:.9rem 1rem .9rem 2.8rem;background:var(--bg2);border:1px solid var(--line);border-radius:12px;font-weight:500}
.ticks li::before{content:"";position:absolute;left:1rem;top:50%;translate:0 -50%;width:1.1rem;height:1.1rem;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2378a9ff' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/contain no-repeat}

/* ── Resultados ── */
.stats{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
@media (max-width:700px){.stats{grid-template-columns:1fr}}
.stats li{border-left:2px solid var(--blue);padding:.4rem 0 .4rem 1.4rem}
.stats b{display:block;font-size:clamp(2.6rem,6vw,3.8rem);line-height:1;letter-spacing:-.04em;font-weight:600}
.stats span{display:block;margin-top:.6rem;font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fg3)}
.accr{margin-top:3.5rem;padding-top:2rem;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:1.2rem 2rem;align-items:center}
.accr__list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.6rem}
.accr__list li{padding:.45rem .9rem;border:1px solid var(--line2);border-radius:999px;font-size:.88rem;color:var(--fg2)}

/* ── Cierre ── */
.cta{position:relative;overflow:hidden;background:radial-gradient(60% 120% at 50% 100%,rgba(15,98,254,.25),transparent 70%),var(--bg2);border-top:1px solid var(--line)}
.cta__in{text-align:center;display:flex;flex-direction:column;align-items:center}
.cta .h2{max-width:22ch}
.cta .lede{margin-bottom:2rem}

/* ── Pie ── */
.foot{border-top:1px solid var(--line);padding:2.2rem 0;color:var(--fg3);font-size:.88rem}
.foot__in{display:flex;flex-wrap:wrap;gap:.6rem 2rem;align-items:center}
.foot p{margin:0}
.foot a{color:var(--fg2)}
.foot__brand{color:var(--fg);font-weight:600}
.foot__brand b{color:var(--cyan)}
.foot__c{margin-left:auto!important}
@media (max-width:700px){.foot__c{margin-left:0!important}}

/* ── Reveal ── */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}