/* ============================================================
   RADEX · Web v1 — Hoja de estilos compartida
   Identidad basada en la página "coming soon".
   Tema por defecto = HÍBRIDO (hero oscuro + cuerpo claro).
   Añade class="tema-oscuro" al <body> para la versión oscura.
   ============================================================ */

:root{
  /* Marca */
  --blue:#1f7bff;
  --blue-soft:#4f9bff;
  --blue-deep:#0b1f3a;
  --ink:#05080f;          /* casi negro azulado */
  --black:#000000;
  --silver:#cfd6dd;
  --muted-d:#7e8a99;      /* texto tenue sobre oscuro */

  /* Tema HÍBRIDO (cuerpo claro) */
  --bg:#ffffff;
  --bg-alt:#f4f7fb;       /* secciones alternas */
  --surface:#ffffff;      /* tarjetas */
  --border:#e4eaf2;
  --text:#15202b;         /* texto principal */
  --text-soft:#52617a;    /* texto secundario */
  --heading:#0e1b2e;
  --hero-bg:#000000;      /* el hero siempre es oscuro */
  --hero-text:#e9eef5;
  --hero-muted:#7e8a99;
  --footer-bg:#05080f;
  --footer-text:#aeb9c7;
  --nav-bg:rgba(5,8,15,.92);
  --nav-text:#e9eef5;
  --shadow:0 16px 40px rgba(16,33,61,.10);
  --radius:16px;
}

/* ====== Tema OSCURO predominante ====== */
body.tema-oscuro{
  --bg:#04070d;
  --bg-alt:#070b14;
  --surface:#0b1019;
  --border:#172234;
  --text:#e9eef5;
  --text-soft:#9aa7b8;
  --heading:#f3f7fc;
  --footer-bg:#02040a;
  --footer-text:#8b97a8;
  --nav-bg:rgba(2,4,10,.92);
  --shadow:0 16px 40px rgba(0,0,0,.45);
}

/* ====== Base ====== */
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 24px;}
section{padding:clamp(56px,9vw,104px) 0;}

h1,h2,h3,h4{color:var(--heading);line-height:1.15;font-weight:700;letter-spacing:-.01em;}
h2.section-title{font-size:clamp(26px,4.6vw,40px);}
.section-head{max-width:680px;margin:0 auto clamp(36px,6vw,56px);text-align:center;}
.section-head .eyebrow{
  display:inline-block;color:var(--blue);font-weight:700;font-size:13px;
  letter-spacing:.22em;text-transform:uppercase;margin-bottom:14px;
}
.section-head p{color:var(--text-soft);font-size:clamp(15px,2.4vw,18px);margin-top:14px;}
.bg-alt{background:var(--bg-alt);}

/* ====== Botones ====== */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;
  cursor:pointer;border:1.5px solid transparent;transition:.2s ease;white-space:nowrap;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(31,123,255,.32);}
.btn-primary:hover{background:#1568e6;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-outline{background:transparent;color:var(--blue);border-color:var(--blue);}
.btn-outline:hover{background:var(--blue);color:#fff;}

/* ====== Navbar ====== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:var(--nav-bg);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px;}
.nav .brand img{height:38px;width:auto;}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none;margin-left:auto;margin-right:24px;}
.nav-links a{color:var(--nav-text);font-size:15px;font-weight:500;opacity:.88;transition:.2s;}
.nav-links a:hover{opacity:1;color:var(--blue-soft);}
.nav-cta{margin-left:8px;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-actions .btn{padding:11px 18px;font-size:14px;}
.btn-login{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-login:hover{border-color:var(--blue-soft);background:rgba(31,123,255,.14);color:#fff;transform:translateY(-2px);}
.nav-toggle{display:none;background:none;border:0;color:var(--nav-text);font-size:26px;cursor:pointer;margin-left:2px;}
.menu-open .nav-links{display:flex;}

/* ====== Hero ====== */
.hero{
  position:relative;background:var(--hero-bg);color:var(--hero-text);
  padding:clamp(130px,18vw,180px) 0 clamp(80px,12vw,120px);
  overflow:hidden;text-align:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(1100px 600px at 50% -10%, rgba(31,123,255,.22), transparent 60%),
    radial-gradient(800px 500px at 50% 120%, rgba(31,123,255,.10), transparent 60%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(79,155,255,.10) 1px, transparent 1.4px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%, #000 0%, transparent 72%);
  mask-image:radial-gradient(circle at 50% 40%, #000 0%, transparent 72%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:1;}
.hero-logo{width:min(78vw,440px);height:auto;margin:0 auto 30px;display:block;animation:rise .9s ease-out both;}
.hero .badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:999px;
  border:1px solid rgba(79,155,255,.35);background:rgba(31,123,255,.06);
  color:var(--blue-soft);font-size:12px;letter-spacing:.22em;text-transform:uppercase;margin-bottom:26px;
}
.hero .badge .dot{width:8px;height:8px;border-radius:50%;background:var(--blue-soft);box-shadow:0 0 12px var(--blue-soft);}
.hero h1{
  color:#fff;font-size:clamp(32px,6.4vw,60px);font-weight:700;max-width:18ch;margin:0 auto 22px;
  background:linear-gradient(180deg,#fff 0%,#cfd6dd 60%,#9fb0c4 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero h1 .accent{-webkit-text-fill-color:initial;color:var(--blue-soft);}
.hero p.lead{color:var(--hero-muted);font-size:clamp(16px,2.6vw,20px);max-width:60ch;margin:0 auto 36px;}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.hero-stats{
  display:flex;gap:clamp(24px,6vw,72px);justify-content:center;flex-wrap:wrap;
  margin-top:clamp(48px,8vw,72px);padding-top:36px;border-top:1px solid rgba(255,255,255,.08);
}
.hero-stats .stat strong{display:block;font-size:clamp(26px,4vw,38px);color:#fff;font-weight:700;}
.hero-stats .stat span{color:var(--hero-muted);font-size:13px;letter-spacing:.08em;text-transform:uppercase;}

/* ====== Pilares ====== */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pillar{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:34px 28px;text-align:center;box-shadow:var(--shadow);
}
.pillar .ic{
  width:60px;height:60px;border-radius:14px;margin:0 auto 18px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(31,123,255,.14),rgba(79,155,255,.06));color:var(--blue);
}
.pillar h3{font-size:20px;margin-bottom:8px;}
.pillar p{color:var(--text-soft);font-size:15px;}

/* ====== Tecnología (split) ====== */
.tech-split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,64px);align-items:center;}
.tech-media{
  position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--border);
  background:linear-gradient(160deg,#0a1422,#05080f);min-height:340px;box-shadow:var(--shadow);
}
.tech-media img{width:100%;height:100%;object-fit:cover;}
.tech-media.is-product{background:linear-gradient(160deg,#ffffff,#eef3f9);}
.tech-media.is-product img{object-fit:contain;padding:22px;}
.tech-media .ph{
  position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:var(--muted-d);
  padding:24px;font-size:14px;
}
.tech-text h2{font-size:clamp(26px,4.4vw,38px);margin-bottom:18px;}
.tech-text .lead{color:var(--text-soft);font-size:17px;margin-bottom:26px;}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.spec{background:var(--bg-alt);border:1px solid var(--border);border-radius:12px;padding:18px 18px;}
.spec strong{display:block;color:var(--blue);font-size:22px;font-weight:700;}
.spec span{font-size:14px;color:var(--text-soft);}
.tech-note{margin-top:22px;font-size:13px;color:var(--text-soft);}

/* ====== Servicios ====== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow);transition:.22s ease;position:relative;overflow:hidden;
}
.svc:hover{transform:translateY(-4px);border-color:var(--blue);}
.svc .ic{
  width:54px;height:54px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,var(--blue),var(--blue-soft));color:#fff;
}
.svc h3{font-size:19px;margin-bottom:8px;}
.svc p{color:var(--text-soft);font-size:15px;}
.svc .tag{display:inline-block;margin-top:14px;font-size:12px;color:var(--blue);font-weight:600;letter-spacing:.04em;}

/* ====== Profesionales (portal) ====== */
.pro{
  background:linear-gradient(150deg,#061129,#02060f 70%);color:#e9eef5;border-radius:24px;
  padding:clamp(36px,6vw,64px);position:relative;overflow:hidden;
}
.pro::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(79,155,255,.10) 1px, transparent 1.4px);background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 80% 30%,#000,transparent 70%);
  mask-image:radial-gradient(circle at 80% 30%,#000,transparent 70%);pointer-events:none;
}
.pro .inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;}
.pro .eyebrow{color:var(--blue-soft);font-weight:700;font-size:13px;letter-spacing:.22em;text-transform:uppercase;}
.pro h2{color:#fff;font-size:clamp(26px,4.2vw,38px);margin:14px 0 16px;}
.pro p{color:#aeb9c7;font-size:16px;margin-bottom:26px;}
.pro-feats{list-style:none;display:grid;gap:14px;}
.pro-feats li{display:flex;gap:12px;align-items:flex-start;color:#cdd6e2;font-size:15px;}
.pro-feats .chk{color:var(--blue-soft);flex:none;margin-top:2px;}
.pro-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(79,155,255,.25);border-radius:18px;
  padding:28px;text-align:center;backdrop-filter:blur(6px);
}
.pro-card .big{font-size:clamp(20px,3vw,24px);color:#fff;font-weight:700;margin-bottom:6px;}
.pro-card .soft{color:#9aa7b8;font-size:14px;margin-bottom:20px;}

/* ====== Pacientes ====== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow);}
.step .n{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:700;
  background:var(--blue);color:#fff;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:6px;}
.step p{color:var(--text-soft);font-size:14px;}

/* ====== El centro ====== */
.centro-split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,56px);align-items:center;}
.centro-media{border-radius:20px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);}
.centro-text h2{font-size:clamp(26px,4.4vw,38px);margin-bottom:18px;}
.centro-text p{color:var(--text-soft);font-size:16px;margin-bottom:16px;}
.centro-values{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px;}
.centro-values li{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--text);}
.centro-values .chk{color:var(--blue);flex:none;}

/* ====== Contacto ====== */
.contact-split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,56px);}
.contact-info .item{display:flex;gap:16px;align-items:flex-start;margin-bottom:26px;}
.contact-info .ic{
  width:48px;height:48px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(31,123,255,.14),rgba(79,155,255,.06));color:var(--blue);
}
.contact-info h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-soft);margin-bottom:3px;}
.contact-info .v{font-size:17px;color:var(--heading);font-weight:600;}
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:clamp(26px,4vw,38px);box-shadow:var(--shadow);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--heading);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--border);border-radius:11px;
  background:var(--bg);color:var(--text);font-size:15px;font-family:inherit;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,123,255,.14);}
.field textarea{resize:vertical;min-height:110px;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-soft);margin-bottom:20px;}
.consent input{margin-top:3px;flex:none;}

/* ====== Footer ====== */
.footer{background:var(--footer-bg);color:var(--footer-text);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:44px;}
.footer .brand img{height:42px;margin-bottom:18px;}
.footer p{font-size:14px;color:var(--footer-text);max-width:38ch;}
.footer h4{color:#fff;font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px;}
.footer ul{list-style:none;display:grid;gap:11px;}
.footer ul a{color:var(--footer-text);font-size:14px;transition:.2s;}
.footer ul a:hover{color:var(--blue-soft);}
.footer .socials{display:flex;gap:12px;margin-top:18px;}
.footer .socials a{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:var(--footer-text);transition:.2s;
}
.footer .socials a:hover{border-color:var(--blue-soft);color:var(--blue-soft);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;}
.footer-bottom a{color:var(--footer-text);}

/* ====== Toggle de versión (solo demo) ====== */
.ver-toggle{
  position:fixed;right:18px;bottom:18px;z-index:80;display:flex;gap:6px;
  background:rgba(5,8,15,.9);border:1px solid rgba(79,155,255,.3);border-radius:999px;padding:6px;
  backdrop-filter:blur(8px);box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.ver-toggle a{padding:8px 14px;border-radius:999px;font-size:12px;font-weight:600;color:#aeb9c7;letter-spacing:.03em;}
.ver-toggle a.active{background:var(--blue);color:#fff;}

/* ====== Placeholder helper ====== */
.ph-note{
  display:inline-block;background:rgba(255,193,7,.14);color:#b8860b;border:1px dashed #d9b441;
  padding:2px 8px;border-radius:6px;font-size:12px;font-weight:600;
}
body.tema-oscuro .ph-note{color:#ffd874;background:rgba(255,193,7,.10);}

/* ====== Páginas legales / texto ====== */
.legal{padding:clamp(110px,16vw,150px) 0 80px;}
.legal .container{max-width:860px;}
.legal h1{font-size:clamp(28px,5vw,40px);margin-bottom:10px;}
.legal .updated{color:var(--text-soft);font-size:14px;margin-bottom:36px;}
.legal h2{font-size:22px;margin:34px 0 12px;}
.legal h3{font-size:18px;margin:22px 0 8px;}
.legal p,.legal li{color:var(--text-soft);font-size:16px;margin-bottom:12px;}
.legal ul,.legal ol{padding-left:22px;margin-bottom:14px;}
.legal a{color:var(--blue);}
.callout{background:var(--bg-alt);border:1px solid var(--border);border-left:4px solid var(--blue);border-radius:10px;padding:18px 20px;margin:20px 0;}

/* ====== FAQ ====== */
.faq{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq details{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:0 22px;box-shadow:var(--shadow);overflow:hidden;
}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 0;font-weight:600;font-size:17px;color:var(--heading);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--blue);font-size:24px;font-weight:400;flex:none;transition:.2s;}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq details p{color:var(--text-soft);font-size:15px;padding:0 0 22px;margin:0;}

/* ====== Responsive ====== */
@media (max-width:900px){
  .pillars,.svc-grid,.steps{grid-template-columns:1fr 1fr;}
  .tech-split,.pro .inner,.centro-split,.contact-split,.footer-grid{grid-template-columns:1fr;}
  .footer-grid{gap:30px;}
  .spec-grid,.centro-values{grid-template-columns:1fr 1fr;}
  .nav-links{
    display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--nav-bg);border-bottom:1px solid rgba(255,255,255,.08);padding:8px 0;
    margin:0;
  }
  .nav-links li{width:100%;}
  .nav-links a{display:block;padding:14px 24px;}
  .nav-cta{margin:10px 24px 16px;}
  .nav-toggle{display:block;}
  .nav .brand img{height:32px;}
  .nav-actions{gap:7px;}
  .nav-actions .btn{padding:9px 13px;font-size:12.5px;}
}
@media (max-width:560px){
  .pillars,.svc-grid,.steps{grid-template-columns:1fr;}
  .spec-grid,.centro-values{grid-template-columns:1fr;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;justify-content:center;}
  .nav .container{gap:8px;padding:0 16px;}
  .nav .brand img{height:28px;}
  .nav-actions .btn{padding:8px 11px;font-size:12px;}
}
