/* ============ TESNET · Futuristic Software Solutions ============ */
:root{
  --bg:#05060f;
  --bg-2:#0a0c1c;
  --surface:rgba(255,255,255,.04);
  --surface-2:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.10);
  --text:#eaf0ff;
  --muted:#9aa6c7;
  --cyan:#22e6ff;
  --violet:#8b5cff;
  --magenta:#ff4ddb;
  --grad:linear-gradient(120deg,#22e6ff 0%,#8b5cff 50%,#ff4ddb 100%);
  --grad-soft:linear-gradient(120deg,rgba(34,230,255,.18),rgba(139,92,255,.18));
  --radius:20px;
  --shadow:0 30px 80px -30px rgba(34,230,255,.25);
  --maxw:1180px;
}

/* ============ Tema claro ============ */
:root[data-theme="light"]{
  --bg:#eef1fb;
  --bg-2:#ffffff;
  --surface:rgba(15,21,48,.035);
  --surface-2:rgba(15,21,48,.06);
  --border:rgba(15,21,48,.12);
  --text:#0f1530;
  --muted:#5a6485;
  --cyan:#0091b3;
  --violet:#6d3bff;
  --magenta:#d61bb0;
  --grad:linear-gradient(120deg,#00aecb 0%,#6d3bff 50%,#d61bb0 100%);
  --grad-soft:linear-gradient(120deg,rgba(0,145,179,.12),rgba(109,59,255,.12));
  --shadow:0 30px 70px -30px rgba(109,59,255,.30);
}
/* En claro: auroras tenues y rejilla oscura */
:root[data-theme="light"] .aurora{opacity:.16;mix-blend-mode:normal;filter:blur(120px)}
:root[data-theme="light"] .grid-overlay{
  background-image:linear-gradient(rgba(15,21,48,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(15,21,48,.05) 1px,transparent 1px);
}
:root[data-theme="light"] .nav.scrolled{background:rgba(238,241,251,.8)}
:root[data-theme="light"] .marquee{background:rgba(15,21,48,.02)}
:root[data-theme="light"] .modal-card{
  background:linear-gradient(160deg,rgba(255,255,255,.98),rgba(240,243,252,.98));
}
:root[data-theme="light"] .modal-backdrop{background:rgba(20,26,55,.4)}
:root[data-theme="light"] .footer{background:rgba(255,255,255,.5)}
:root[data-theme="light"] .btn-primary{color:#fff}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.brand-text{font-family:'Space Grotesk',sans-serif;line-height:1.1;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
section{position:relative;z-index:2}

/* ============ Animated Background ============ */
.bg-fx{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.grid-overlay{
  position:absolute;inset:-2px;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);
}
.aurora{position:absolute;border-radius:50%;filter:blur(110px);opacity:.30;mix-blend-mode:screen;animation:float 18s ease-in-out infinite}
.aurora-1{width:540px;height:540px;background:radial-gradient(circle,#22e6ff,transparent 65%);top:-160px;left:-120px}
.aurora-2{width:620px;height:620px;background:radial-gradient(circle,#8b5cff,transparent 65%);top:10%;right:-180px;animation-delay:-6s}
.aurora-3{width:480px;height:480px;background:radial-gradient(circle,#ff4ddb,transparent 65%);bottom:-160px;left:30%;animation-delay:-11s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(40px,-30px) scale(1.08)}66%{transform:translate(-30px,25px) scale(.96)}}
#particles{position:absolute;inset:0;width:100%;height:100%}

/* ============ Navbar ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,48px);
  transition:.35s ease;
}
.nav.scrolled{
  background:rgba(5,6,15,.72);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  padding-top:12px;padding-bottom:12px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.3rem}
.brand-mark{color:var(--cyan);font-size:.8rem;filter:drop-shadow(0 0 8px var(--cyan));animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.brand-text span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{color:var(--muted);font-weight:500;font-size:.95rem;transition:.2s;position:relative}
.nav-links a:not(.nav-cta):hover{color:var(--text)}
.nav-links a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:.25s}
.nav-links a:not(.nav-cta):hover::after{width:100%}
.nav-cta{padding:9px 20px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);color:var(--text)!important}
.nav-cta:hover{border-color:var(--cyan);box-shadow:0 0 20px -4px var(--cyan)}
/* Botón de cambio de tema */
.theme-toggle{
  display:grid;place-items:center;width:40px;height:40px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);color:var(--text);
  cursor:pointer;transition:.25s;font-size:1.05rem;line-height:1;flex-shrink:0;
}
.theme-toggle:hover{border-color:var(--cyan);box-shadow:0 0 18px -6px var(--cyan);transform:rotate(18deg)}
.theme-toggle .i-sun{display:none}
.theme-toggle .i-moon{display:block}
.theme-toggle.is-light .i-sun{display:block}
.theme-toggle.is-light .i-moon{display:none}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:26px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:.98rem;
  cursor:pointer;transition:.25s ease;border:1px solid transparent;white-space:nowrap;
}
.btn.full{width:100%}
.btn-primary{background:var(--grad);color:#05060f;box-shadow:0 10px 30px -8px rgba(139,92,255,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -8px rgba(34,230,255,.6)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);background:var(--surface)}
.btn-soft{background:var(--surface-2);border:1px solid var(--border);color:var(--text)}
.btn-soft:hover{border-color:var(--violet);box-shadow:0 0 22px -6px var(--violet);transform:translateY(-2px)}
.arrow{transition:.25s}
.btn:hover .arrow{transform:translateX(4px)}

/* ============ Hero ============ */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 20px 80px}
.hero-inner{max-width:880px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;font-size:.85rem;color:var(--muted);
  background:var(--surface);border:1px solid var(--border);margin-bottom:28px;
}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2s infinite}
.hero h1{font-size:clamp(2.6rem,7vw,5rem);font-weight:700;margin-bottom:24px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(1.02rem,2vw,1.22rem);color:var(--muted);max-width:680px;margin:0 auto 38px}
.hero-sub strong{color:var(--text)}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:clamp(24px,6vw,64px);justify-content:center;margin-top:60px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-family:'Space Grotesk';font-size:2.4rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{color:var(--muted);font-size:.9rem}

/* ============ Marquee ============ */
.marquee{position:relative;z-index:2;overflow:hidden;padding:18px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:rgba(255,255,255,.02)}
.marquee-track{display:flex;gap:28px;width:max-content;animation:scroll 28s linear infinite}
.marquee-track span{font-family:'Space Grotesk';font-weight:600;color:var(--muted);font-size:1.05rem;letter-spacing:.04em;white-space:nowrap}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============ Sections ============ */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(70px,10vw,120px) clamp(20px,5vw,40px)}
.section-head{text-align:center;max-width:680px;margin:0 auto 56px}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.section-head h2{font-size:clamp(1.9rem,4.5vw,3rem);margin-bottom:16px}
.section-head p{color:var(--muted);font-size:1.05rem}

/* ============ Generic cards grid ============ */
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;transition:.3s ease;position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(34,230,255,.4)}
.card:hover::before{opacity:1}
.card>*{position:relative;z-index:1}
.card-icon{font-size:2rem;margin-bottom:16px}
.card h3{font-size:1.25rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.97rem}

/* ============ Systems ============ */
.systems{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.system{
  position:relative;background:var(--bg-2);border:1px solid var(--border);
  border-radius:var(--radius);padding:30px;overflow:hidden;transition:.3s ease;
}
.system-glow{position:absolute;top:-50%;right:-30%;width:300px;height:300px;background:radial-gradient(circle,rgba(139,92,255,.25),transparent 65%);opacity:0;transition:.4s;pointer-events:none}
.system:hover{transform:translateY(-6px);border-color:rgba(139,92,255,.5);box-shadow:var(--shadow)}
.system:hover .system-glow{opacity:1}
.system.featured{border-color:rgba(34,230,255,.35)}
.system-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.system-emoji{font-size:2rem}
.tag{font-size:.72rem;font-weight:600;padding:5px 12px;border-radius:999px;letter-spacing:.04em}
.tag-live{background:rgba(34,230,255,.14);color:var(--cyan);border:1px solid rgba(34,230,255,.3)}
.tag-soon{background:rgba(255,77,219,.14);color:var(--magenta);border:1px solid rgba(255,77,219,.3)}
.system h3{font-size:1.3rem;margin-bottom:10px}
.system>p{color:var(--muted);font-size:.96rem;margin-bottom:18px}
.features{list-style:none;margin-bottom:24px;display:flex;flex-direction:column;gap:9px}
.features li{position:relative;padding-left:26px;color:var(--text);font-size:.93rem}
.features li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:50%;background:var(--grad-soft);border:1px solid var(--cyan)}
.features li::after{content:"";position:absolute;left:5px;top:10px;width:4px;height:7px;border:solid var(--cyan);border-width:0 2px 2px 0;transform:rotate(45deg)}
.system.soon{border-style:dashed;background:var(--surface)}

/* ============ Pricing ============ */
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;align-items:stretch}
.price{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:34px 30px;display:flex;flex-direction:column;transition:.3s ease;position:relative;
}
.price:hover{transform:translateY(-6px);border-color:rgba(34,230,255,.4)}
.price.featured{background:linear-gradient(160deg,rgba(139,92,255,.14),rgba(34,230,255,.06));border-color:rgba(139,92,255,.55);box-shadow:var(--shadow)}
.best{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#05060f;font-size:.74rem;font-weight:700;padding:5px 16px;border-radius:999px;letter-spacing:.04em}
.price h3{font-size:1.35rem;margin-bottom:6px}
.price-desc{color:var(--muted);font-size:.9rem;margin-bottom:22px;min-height:2.6em}
.amount{font-family:'Space Grotesk';font-size:2.6rem;font-weight:700;margin-bottom:24px;display:flex;align-items:baseline;gap:2px}
.amount .curr{font-size:1.4rem;color:var(--muted)}
.amount .per{font-size:1rem;color:var(--muted);font-weight:400;margin-left:4px}
.amount-quote{font-size:2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.price ul{list-style:none;margin-bottom:28px;display:flex;flex-direction:column;gap:11px;flex:1}
.price ul li{position:relative;padding-left:26px;font-size:.94rem;color:var(--muted)}
.price ul li::before{content:"\2713";position:absolute;left:0;color:var(--cyan);font-weight:700}
.price-note{text-align:center;color:var(--muted);margin-top:34px}
.price-note a{color:var(--cyan);text-decoration:underline}

/* ============ Steps ============ */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px}
.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:.3s}
.step:hover{transform:translateY(-5px);border-color:rgba(139,92,255,.45)}
.step-n{font-family:'Space Grotesk';font-size:2.4rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:10px}
.step h3{font-size:1.15rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.93rem}

/* ============ CTA band ============ */
.cta-band{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,40px)}
.cta-inner{
  background:linear-gradient(135deg,rgba(34,230,255,.12),rgba(255,77,219,.12));
  border:1px solid var(--border);border-radius:28px;padding:clamp(40px,7vw,70px) 30px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-inner::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(139,92,255,.25),transparent 60%)}
.cta-inner>*{position:relative;z-index:1}
.cta-inner h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:14px}
.cta-inner p{color:var(--muted);margin-bottom:30px;font-size:1.08rem}

/* ============ Contact ============ */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info h2{font-size:clamp(1.8rem,4vw,2.6rem);margin:14px 0 16px}
.contact-info p{color:var(--muted);margin-bottom:28px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:16px}
.contact-list li{display:flex;align-items:center;gap:14px;font-size:1.02rem}
.contact-list li span{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);font-size:1.1rem}
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:34px;display:flex;flex-direction:column;gap:20px}
.field{position:relative}
.field input,.field select,.field textarea{
  width:100%;padding:16px 16px;background:var(--bg-2);border:1px solid var(--border);
  border-radius:12px;color:var(--text);font-family:inherit;font-size:.97rem;transition:.2s;resize:vertical;
}
.field select{color:var(--muted);cursor:pointer;appearance:none}
.field textarea{padding-top:18px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,230,255,.14)}
.field label{
  position:absolute;left:16px;top:16px;color:var(--muted);pointer-events:none;
  transition:.2s ease;font-size:.97rem;background:var(--bg-2);padding:0 6px;
}
.field input:focus+label,.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label{
  top:-9px;font-size:.78rem;color:var(--cyan);
}
.field select option{background:var(--bg-2);color:var(--text)}
.form-status{font-size:.92rem;text-align:center;min-height:1.2em}
.form-status.ok{color:var(--cyan)}
.form-status.err{color:var(--magenta)}

/* ============ Footer ============ */
.footer{position:relative;z-index:2;border-top:1px solid var(--border);margin-top:40px;background:rgba(5,6,15,.6)}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:50px clamp(20px,5vw,40px) 30px;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer-brand .brand-text{font-size:1.4rem;font-weight:700}
.footer-brand p{color:var(--muted);margin-top:8px;font-size:.95rem}
.footer-links{display:flex;gap:26px;flex-wrap:wrap;align-items:center}
.footer-links a{color:var(--muted);transition:.2s}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid var(--border);padding:20px;text-align:center;color:var(--muted);font-size:.86rem}

/* ============ Reveal animation ============ */
.reveal{opacity:0;transform:translateY(34px);transition:.7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ============ Responsive ============ */
@media(max-width:860px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    flex-direction:column;justify-content:center;gap:28px;
    background:rgba(5,6,15,.96);backdrop-filter:blur(20px);border-left:1px solid var(--border);
    transform:translateX(100%);transition:.4s cubic-bezier(.16,1,.3,1);
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:1.15rem}
  .nav-toggle{display:flex;z-index:60}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .contact-wrap{grid-template-columns:1fr;gap:34px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============ Navbar: enlace Acceder ============ */
.nav-login{padding:9px 18px;border:1px solid var(--border);border-radius:999px;color:var(--text)!important;font-weight:500;font-size:.95rem;transition:.2s}
.nav-login:hover{border-color:var(--violet);box-shadow:0 0 18px -6px var(--violet)}
.nav-links-simple{display:flex;align-items:center;gap:22px}
.nav-links-simple a{color:var(--muted);font-weight:500;font-size:.95rem;transition:.2s}
.nav-links-simple a:hover{color:var(--text)}

/* ============ Portal de acceso ============ */
.acceso-body{min-height:100vh;display:flex;flex-direction:column}
.portal{flex:1;max-width:1100px;margin:0 auto;width:100%;padding:130px clamp(20px,5vw,40px) 70px;display:flex;flex-direction:column;justify-content:center}
.portal-head{text-align:center;max-width:640px;margin:0 auto 50px}
.portal-head h1{font-size:clamp(2.2rem,6vw,3.6rem);margin:18px 0 14px}
.portal-head p{color:var(--muted);font-size:1.05rem}
.portal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:24px}
.portal-card{
  position:relative;overflow:hidden;text-align:center;
  background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);
  padding:36px 28px;display:flex;flex-direction:column;align-items:center;gap:12px;transition:.3s ease;
}
.portal-card:hover{transform:translateY(-7px);border-color:rgba(34,230,255,.45);box-shadow:var(--shadow)}
.portal-card:hover .system-glow{opacity:1}
.portal-card.featured{border-color:rgba(139,92,255,.5)}
.portal-icon{font-size:3rem;line-height:1}
.portal-card h3{font-size:1.35rem;margin-top:4px}
.portal-card p{color:var(--muted);font-size:.95rem;flex:1}
.portal-card .btn{margin-top:8px}
.portal-card .tag{position:relative;z-index:1}
.portal-foot{text-align:center;color:var(--muted);margin-top:40px}
.portal-foot a{color:var(--cyan);text-decoration:underline}

/* ============ Modal login ============ */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(3,4,12,.7);backdrop-filter:blur(8px)}
.modal-card{
  position:relative;z-index:1;width:100%;max-width:430px;
  background:linear-gradient(160deg,rgba(16,18,38,.96),rgba(8,9,22,.96));
  border:1px solid var(--border);border-radius:24px;padding:38px 34px;
  box-shadow:0 40px 100px -30px rgba(34,230,255,.4);
  animation:modalIn .35s cubic-bezier(.16,1,.3,1);
}
@keyframes modalIn{from{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:16px;right:18px;background:none;border:0;color:var(--muted);font-size:1.8rem;line-height:1;cursor:pointer;transition:.2s}
.modal-close:hover{color:var(--text)}
.modal-sys{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.modal-sys-icon{font-size:2.4rem}
.modal-eyebrow{display:block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:600}
.modal-sys h3{font-size:1.4rem}
#loginForm{display:flex;flex-direction:column;gap:18px}
.toggle-pass{position:absolute;right:12px;top:13px;background:none;border:0;font-size:1.15rem;cursor:pointer;opacity:.6;transition:.2s}
.toggle-pass:hover,.toggle-pass.on{opacity:1}
.login-row{display:flex;justify-content:space-between;align-items:center;font-size:.88rem;flex-wrap:wrap;gap:10px}
.check{display:flex;align-items:center;gap:8px;color:var(--muted);cursor:pointer}
.check input{accent-color:var(--cyan);width:16px;height:16px}
.forgot{color:var(--cyan)}
.forgot:hover{text-decoration:underline}

@media(max-width:520px){
  .modal-card{padding:30px 22px}
}