/* ===================================================================
   NEXORA TECHNOLOGY LABS — Landing
   Paleta de marca: navy #0A1130 · azul→cian→menta · violeta #8B5CF6
   =================================================================== */

:root{
  --navy:#0A1130;
  --navy-2:#0D1740;
  --panel:#121A3A;
  --panel-2:#161F47;
  --line:rgba(255,255,255,.08);
  --blue:#2E8BFF;
  --cyan:#22D3EE;
  --mint:#34E0A1;
  --violet:#8B5CF6;
  --text:#EAF0FF;
  --muted:#9FB0D6;
  --muted-2:#7E8BB0;
  --grad:linear-gradient(120deg,var(--blue),var(--cyan) 55%,var(--mint));
  --grad-soft:linear-gradient(120deg,#2E8BFF22,#22D3EE22);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 50px -20px rgba(0,0,0,.6);
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,Arial,sans-serif;
  background:var(--navy);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,.nav__logo-text{font-family:'Poppins',sans-serif;line-height:1.15}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--narrow{max-width:840px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:600;font-size:.95rem;padding:.7rem 1.25rem;border-radius:999px;
  border:1px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#04122b;box-shadow:0 8px 24px -8px var(--blue)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px var(--cyan)}
.btn--ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--cyan);color:#fff}
.btn--lg{padding:.95rem 1.7rem;font-size:1.02rem}
.btn--block{width:100%}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(10,17,48,.72);border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;gap:1.5rem;height:72px}
.nav__logo{display:flex;align-items:center}
.nav__logo-img{height:44px;width:auto;display:block}
.nav__links{display:flex;align-items:center;gap:1.6rem;margin-left:auto;font-size:.94rem;color:var(--muted)}
.nav__links a:not(.btn){transition:.2s}
.nav__links a:not(.btn):hover{color:#fff}
.nav__links .nav__cta{margin-left:.2rem}
.nav__links .nav__cta:first-of-type{margin-left:.8rem}
.nav__actions{display:flex;gap:.6rem;margin-left:1.4rem}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.nav__burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger.is-open span:nth-child(2){opacity:0}
.nav__burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Selector de idioma */
.lang{position:relative}
.lang__btn{display:flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.04);
  border:1px solid var(--line);color:var(--text);padding:.5rem .7rem;border-radius:999px;
  cursor:pointer;font-size:.85rem;font-weight:600;font-family:inherit;transition:.2s}
.lang__btn:hover{border-color:var(--cyan)}
.lang__flag{font-size:1.05rem;line-height:1}
.lang__caret{font-size:.7rem;color:var(--muted);transition:.2s}
.lang.is-open .lang__caret{transform:rotate(180deg)}
.lang__menu{position:absolute;right:0;top:calc(100% + 8px);min-width:168px;list-style:none;
  background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:6px;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s;z-index:60}
.lang.is-open .lang__menu{opacity:1;visibility:visible;transform:none}
.lang__menu button{display:flex;align-items:center;gap:.6rem;width:100%;background:none;border:0;
  color:var(--text);padding:.6rem .7rem;border-radius:9px;cursor:pointer;font-size:.9rem;
  font-family:inherit;text-align:left;transition:.15s}
.lang__menu button:hover{background:rgba(255,255,255,.06)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 90px;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.blob--1{width:520px;height:520px;background:radial-gradient(circle,#2E8BFF,transparent 70%);top:-140px;left:-120px}
.blob--2{width:480px;height:480px;background:radial-gradient(circle,#8B5CF6,transparent 70%);bottom:-160px;right:-100px}
.grid-overlay{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(46,139,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(46,139,255,.06) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0,#000,transparent 75%);
  mask-image:radial-gradient(ellipse at 50% 0,#000,transparent 75%)}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}

.pill{display:inline-flex;align-items:center;gap:.5rem;font-size:.72rem;font-weight:700;letter-spacing:1.8px;
  color:#CFE9DD;border:1px solid rgba(52,224,161,.4);border-radius:999px;padding:.4rem .85rem;margin-bottom:1.25rem}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint)}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:800;letter-spacing:-.5px}
.hero__sub{color:var(--muted);font-size:1.1rem;margin:1.25rem 0 1.8rem;max-width:560px}
.hero__cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero__trust{list-style:none;display:flex;flex-wrap:wrap;gap:1rem 1.5rem;margin-top:1.8rem;color:var(--muted);font-size:.9rem}

/* ---------- Calculadora ---------- */
.calc{background:linear-gradient(180deg,var(--panel),var(--navy-2));border:1px solid var(--line);
  border-radius:24px;padding:26px;box-shadow:var(--shadow);position:relative}
.calc::before{content:"";position:absolute;inset:0;border-radius:24px;padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.5;pointer-events:none}
.calc__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.calc__head h3{font-size:1.2rem}
.calc__tag{font-size:.68rem;font-weight:700;letter-spacing:1px;color:var(--cyan);
  border:1px solid rgba(34,211,238,.4);border-radius:999px;padding:.25rem .6rem}
.calc__tabs{display:flex;background:rgba(255,255,255,.04);border-radius:999px;padding:4px;margin-bottom:1.2rem}
.calc__tab{flex:1;border:0;background:none;color:var(--muted);font-weight:600;font-size:.9rem;
  padding:.55rem;border-radius:999px;cursor:pointer;transition:.2s}
.calc__tab.is-active{background:var(--grad);color:#04122b}
.calc__field{margin-bottom:.6rem}
.calc__field label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:.35rem}
.calc__input{display:flex;align-items:center;background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:.2rem .4rem .2rem 1rem;transition:.2s}
.calc__input:focus-within{border-color:var(--cyan)}
.calc__input--out{background:rgba(34,211,238,.06)}
.calc__input input{flex:1;background:none;border:0;color:#fff;font-size:1.5rem;font-weight:700;
  font-family:'Poppins';padding:.5rem 0;outline:none;width:100%}
.calc__cur{font-weight:700;color:var(--muted);background:rgba(255,255,255,.06);
  padding:.4rem .7rem;border-radius:8px;font-size:.85rem}
.calc__select{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;
  color:#fff;font-family:'Poppins';font-weight:600;font-size:1rem;padding:.7rem .8rem;outline:none;
  -webkit-appearance:none;appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%2322D3EE' d='M1 1l5 5 5-5'/></svg>");
  background-repeat:no-repeat;background-position:right .9rem center}
.calc__select:focus{border-color:var(--cyan)}
.calc__select option{color:#111}
.calc__eq{font-size:.8rem;color:var(--muted);margin-top:.35rem;text-align:right}
.calc__swap{text-align:center;color:var(--cyan);font-size:1.1rem;margin:.1rem 0}
.calc__meta{list-style:none;margin:1rem 0;border-top:1px dashed var(--line);padding-top:1rem}
.calc__meta li{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted);padding:.2rem 0}
.calc__meta strong{color:#fff;font-weight:600}
.calc__note{font-size:.74rem;color:var(--muted-2);text-align:center;margin-top:.7rem}

/* ---------- Secciones ---------- */
.section{padding:88px 0}
.section--alt{background:linear-gradient(180deg,transparent,rgba(46,139,255,.04),transparent)}
.section__head{text-align:center;max-width:680px;margin:0 auto 48px}
.eyebrow{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:.7rem}
.section__head h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800}
.section__head p{color:var(--muted);margin-top:.7rem;font-size:1.05rem}

/* ---------- Cards ---------- */
.cards-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.35);box-shadow:var(--shadow)}
.card__icon{font-size:1.8rem;width:54px;height:54px;display:grid;place-items:center;
  background:var(--grad-soft);border-radius:14px;margin-bottom:1rem}
.card h3{font-size:1.2rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.95rem}
.card--accent{position:relative;overflow:hidden}
.card--accent::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative}
.step__n{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;
  background:var(--grad);color:#04122b;font-family:'Poppins';font-weight:800;font-size:1.3rem;margin-bottom:1rem}
.step h3{font-size:1.15rem;margin-bottom:.4rem}
.step p{color:var(--muted);font-size:.95rem}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq__item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.4rem 1.2rem}
.faq__item summary{cursor:pointer;font-weight:600;font-size:1.02rem;padding:1rem 0;list-style:none;
  display:flex;justify-content:space-between;align-items:center}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";color:var(--cyan);font-size:1.5rem;font-weight:400;transition:.2s}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{color:var(--muted);padding:0 0 1rem;font-size:.95rem}

/* ---------- Contacto ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:44px}
.contact__copy h2{font-size:2rem;margin:.3rem 0 .6rem}
.contact__copy>p{color:var(--muted);margin-bottom:1.5rem}
.contact__small{font-size:.9rem;color:var(--muted);margin-top:1rem}
.contact__small a{color:var(--cyan)}
.contact__form{display:flex;flex-direction:column;gap:1rem}
.contact__form label{font-size:.85rem;color:var(--muted);display:flex;flex-direction:column;gap:.4rem}
.contact__form input,.contact__form textarea{background:var(--navy);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:.8rem 1rem;color:#fff;font-family:inherit;font-size:.95rem;outline:none;transition:.2s}
.contact__form input:focus,.contact__form textarea:focus{border-color:var(--cyan)}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);padding:48px 0;background:var(--navy-2)}
.footer__inner{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.footer__brand{display:flex;align-items:center}
.footer__logo{height:52px;width:auto;display:block}
.footer__links{display:flex;flex-wrap:wrap;gap:1rem 1.4rem;color:var(--muted);font-size:.9rem}
.footer__links--legal{justify-content:flex-end}
.footer__links a:hover{color:#fff}
.footer__legal{grid-column:1/-1;color:var(--muted-2);font-size:.8rem;border-top:1px solid var(--line);padding-top:24px}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:60px;height:60px;border-radius:50%;
  background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px -6px rgba(37,211,102,.6);
  animation:waPulse 2.6s infinite;transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,120px);z-index:70;
  background:var(--panel-2);border:1px solid var(--cyan);color:#fff;padding:.85rem 1.4rem;border-radius:999px;
  font-size:.9rem;box-shadow:var(--shadow);transition:transform .35s ease;opacity:0}
.toast.is-show{transform:translate(-50%,0);opacity:1}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .cards-3,.steps{grid-template-columns:1fr 1fr}
  .contact{grid-template-columns:1fr;gap:32px;padding:32px}
}
@media (max-width:760px){
  .nav__links{display:none}
  .nav__links.is-open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:var(--navy-2);border-bottom:1px solid var(--line);padding:1rem 24px;gap:1rem}
  .nav__links.is-open .nav__cta{margin-left:0;width:100%;text-align:center}
  .nav__burger{display:flex}
  .lang{margin-left:auto;margin-right:.2rem}
  .cards-2,.cards-3,.steps{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;text-align:center;justify-items:center}
  .footer__links,.footer__links--legal{justify-content:center}
  .section{padding:64px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
}

.footer__links--legal a{font-size:.85rem;opacity:.75}