/* AedOxígeno · estilos v2 (clínico, sobrio). Tokens en :root. */
:root{
  --navy:#23418f; --navy-deep:#0d2247; --ink:#12213f; --blue:#3b72c9;
  --sky:#e3edfa; --sky-2:#c9dcf4; --paper:#eaf1fb; --line:#e0e8f2; --muted:#58698a;
  --red:#d1392d; --wa:#17824a; --wa-deep:#10663a; --bg:#fff;
  --display:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --body:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:12px; --r-lg:20px; --shadow:0 24px 48px -28px rgba(13,34,71,.35);
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:calc(90px + var(--safe-t))}
body{margin:0;font:400 1.0625rem/1.65 var(--body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy)}
h1,h2,h3{font-family:var(--display);color:var(--navy-deep);margin:0;text-wrap:balance;font-optical-sizing:auto}
h1{font-weight:800;line-height:1.05;letter-spacing:-.035em}
h2{font-size:clamp(1.85rem,3.3vw,2.6rem);font-weight:800;line-height:1.12;letter-spacing:-.03em}
h3{font-size:1.12rem;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
.sr{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:100;background:#fff;padding:10px 14px;border-radius:8px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}
.eyebrow{font:700 .78rem var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:99px;font:600 .98rem var(--body);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .2s,box-shadow .2s,transform .2s;white-space:nowrap}
.btn svg{width:19px;height:19px;flex:none}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--navy-deep);box-shadow:0 10px 22px -12px rgba(13,34,71,.7)}
.btn-wa{background:var(--wa);color:#fff}.btn-wa:hover{background:var(--wa-deep);box-shadow:0 10px 22px -12px rgba(16,102,58,.8)}
.btn-line{border-color:var(--sky-2);color:var(--navy);background:#fff}.btn-line:hover{border-color:var(--navy)}
.btn-white{background:#fff;color:var(--navy-deep)}.btn-white:hover{background:var(--sky)}
.btn-sm{padding:9px 18px;font-size:.92rem}

/* Etiqueta / píldora */
.tag{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--navy);font:600 .85rem var(--body);padding:6px 14px;border-radius:99px;letter-spacing:.01em}
.tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--red)}

/* Barra superior */
.topbar{background:var(--navy-deep);color:#c9daf6;font-size:.86rem;padding-top:var(--safe-t)}
.topbar .wrap{display:flex;gap:4px 22px;justify-content:space-between;flex-wrap:wrap;padding-block:8px}
.topbar a{color:#fff;text-decoration:none;font-weight:600}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:22px;padding-block:10px}
.brand img{height:58px;width:auto}
.nav{margin-left:auto}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav a{text-decoration:none;font-weight:500;color:var(--ink);font-size:.95rem;white-space:nowrap;position:relative;padding-block:6px}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--navy);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav a:hover::after{transform:scaleX(1)}
.hdr-cta{display:flex;gap:8px;align-items:center}
@media (max-width:1180px){.nav ul{gap:16px}.nav a{font-size:.9rem}}
@media (max-width:960px){.nav{display:none}.hdr-cta{margin-left:auto}}
@media (max-width:480px){.brand img{height:46px}.hdr-cta .lbl{display:none}.hdr-cta .btn{padding:10px 12px}}

/* Hero */
.hero{background:radial-gradient(760px 520px at 88% 8%,rgba(59,114,201,.22) 0,rgba(59,114,201,0) 70%),linear-gradient(160deg,#cfe0f5 0%,#e3edfa 55%,#f1f6fd 100%);border-bottom:1px solid var(--sky-2)}
.hero{padding-block:0}
.hero .wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(28px,5vw,72px);align-items:center;padding-block:clamp(40px,6vw,84px)}
.hero h1{font-size:clamp(2.3rem,4.8vw,3.7rem);margin-top:18px}
.hero h1 em{font-style:normal;color:var(--navy);background:linear-gradient(transparent 64%,rgba(59,114,201,.28) 64%);padding-inline:2px}
.hero .lead{margin-top:20px;font-size:1.15rem;color:#3d5278;max-width:50ch}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.ticks{list-style:none;margin:30px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px 26px;font-weight:500;font-size:.95rem;color:var(--ink)}
.ticks li{display:flex;gap:8px;align-items:center}
.ticks svg{width:19px;height:19px;color:var(--blue)}
.hero-photo{position:relative}
.hero-photo .ph{border-radius:var(--r-lg);box-shadow:var(--shadow)}
.hero-photo .tag{position:absolute;top:16px;right:16px;background:rgba(255,255,255,.94);box-shadow:0 8px 20px -10px rgba(13,34,71,.4)}
.hero-photo .seal{position:absolute;left:-18px;bottom:28px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 20px 14px 16px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow)}
.seal b{font:800 2.5rem/1 var(--display);color:var(--navy)}
.seal small{font-size:.82rem;line-height:1.25;color:var(--muted);font-weight:500}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-photo{order:-1;max-width:560px}.hero-photo .seal{left:10px}}

/* Franja de confianza */
.paths{background:var(--navy)}
.paths .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.path{display:flex;gap:16px;align-items:center;padding:24px 20px;color:#fff;text-decoration:none;transition:background .2s}
.path+.path{border-left:1px solid rgba(255,255,255,.18)}
.path:hover{background:rgba(255,255,255,.08)}
.path .ic{width:46px;height:46px;border-radius:14px;background:rgba(255,255,255,.14);color:#fff;display:grid;place-items:center;flex:none}
.path .ic svg{width:23px;height:23px}
.path b{display:block;font:700 1.02rem var(--display);color:#fff}
.path span span{font-size:.9rem;color:#b9cdee}
@media (max-width:820px){.paths .wrap{grid-template-columns:1fr}.path+.path{border-left:0;border-top:1px solid rgba(255,255,255,.18)}}

/* Secciones */
section{padding-block:clamp(60px,8vw,104px)}
.head{display:flex;justify-content:space-between;align-items:end;gap:16px 48px;flex-wrap:wrap;margin-bottom:38px}
.head p{color:var(--muted);max-width:52ch}

/* Catálogo */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);display:flex;flex-direction:column;overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--sky-2)}
.card .pic{background:#fff;aspect-ratio:3/2;display:grid;place-items:center;padding:0;border-bottom:1px solid var(--line)}
.card .pic .ph{width:100%;height:100%;aspect-ratio:auto!important;border-radius:0;border-width:0}
.card .pic .ph img{object-fit:cover}
.card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.card .d{color:var(--muted);font-size:.95rem}
.card ul{margin:2px 0 0;padding:0;list-style:none;font-size:.9rem;color:var(--ink);display:grid;gap:4px}
.card li{padding-left:20px;position:relative}
.card li::before{content:"";position:absolute;left:2px;top:.55em;width:8px;height:5px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}
.card .foot{margin-top:auto;padding-top:14px}
.nota{margin-top:26px;font-size:.9rem;color:var(--muted);max-width:70ch}

/* Calculadora */
.calc-sec{background:linear-gradient(180deg,var(--paper),#dce8f8);border-block:1px solid var(--sky-2)}
.calc-sec .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,80px);align-items:center}
.calc{background:#fff;border:1px solid var(--line);padding:30px;border-radius:var(--r-lg);box-shadow:var(--shadow)}
.calc .lab{display:flex;justify-content:space-between;font-weight:600;margin:20px 0 10px;font-size:.95rem}
.calc .lab:first-child{margin-top:0}
.seg{display:flex;background:var(--sky);border-radius:99px;padding:4px;gap:4px}
.seg button{flex:1;border:0;background:transparent;color:var(--navy);font:600 .93rem var(--body);padding:9px 8px;cursor:pointer;border-radius:99px;transition:background .2s}
.seg button[aria-pressed=true]{background:var(--navy);color:#fff}
.seg small{display:block;font-weight:500;font-size:.76rem;opacity:.85}
input[type=range]{width:100%;accent-color:var(--navy)}
.out{margin-top:24px;padding:20px;background:var(--sky);border-radius:var(--r);display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.out b{font:800 2.3rem/1 var(--display);color:var(--navy);display:block}
.out span{font-size:.88rem;color:var(--muted)}
.fine{margin-top:14px;font-size:.82rem;color:var(--muted)}
@media (max-width:860px){.calc-sec .wrap{grid-template-columns:1fr}}

/* Guía */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pick{background:#fff;padding:28px;border-radius:var(--r-lg);border:1px solid var(--line);transition:border-color .25s}
.pick:hover{border-color:var(--blue)}
.pick h3{margin-bottom:10px}
.pick p{color:var(--muted);font-size:.97rem}
.pick .who{margin-top:16px;font-weight:600;font-size:.9rem;color:var(--navy);display:flex;gap:8px;align-items:center}
.pick .who::before{content:"";width:18px;height:2px;background:var(--red)}
@media (max-width:860px){.three{grid-template-columns:1fr}}

/* Pasos */
.steps-sec{background:var(--paper);border-block:1px solid var(--sky-2)}
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);padding:28px;border-radius:var(--r-lg)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;font:800 1.1rem var(--display);margin-bottom:16px}
.steps b{display:block;font:700 1.1rem var(--display);margin-bottom:8px;color:var(--navy-deep)}
.steps span{color:var(--muted);font-size:.97rem}
@media (max-width:860px){.steps{grid-template-columns:1fr}}

/* Empresas */
.biz{background:var(--navy-deep);color:#dbe6f8}
.biz h2,.biz h3{color:#fff}
.biz .eyebrow{color:#8fb0ea}
.biz .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,6vw,80px);align-items:center}
.biz .ph{border-radius:var(--r-lg);width:100%}
.biz p{color:#b9cbea;margin-top:16px;max-width:54ch}
.seg-list{list-style:none;padding:0;margin:26px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px 20px}
.seg-list li{display:flex;gap:12px;align-items:center;font-weight:500;font-size:.97rem}
.seg-list svg{width:36px;height:36px;color:#fff;background:rgba(255,255,255,.1);border-radius:10px;padding:8px;flex:none}
.biz .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.biz .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.biz .btn-line:hover{border-color:#fff}
@media (max-width:860px){.biz .wrap{grid-template-columns:1fr}}

/* Nosotros */
.about .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,6vw,80px);align-items:center}
.about p{color:var(--muted);margin-top:16px;max-width:58ch}
.facts{display:flex;gap:18px 44px;flex-wrap:wrap;margin-top:32px;padding-top:28px;border-top:1px solid var(--line)}
.facts div b{font:800 2.3rem/1 var(--display);color:var(--navy);display:block}
.facts div span{font-size:.88rem;color:var(--muted)}
.about .ph{border-radius:var(--r-lg);box-shadow:var(--shadow)}
@media (max-width:860px){.about .wrap{grid-template-columns:1fr}}

/* FAQ */
.faq{max-width:860px}
details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font:700 1.05rem var(--display);padding:20px 40px 20px 0;list-style:none;position:relative;color:var(--navy-deep)}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);transform:translateY(-70%) rotate(45deg);transition:transform .25s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
details p{padding:0 0 22px;color:var(--muted);max-width:68ch}

/* Contacto */
.contact{background:linear-gradient(180deg,var(--paper),#d6e4f6);border-top:1px solid var(--sky-2)}
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,6vw,80px)}
.cbox{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:12px}
.cbox a{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);padding:16px 18px;border-radius:var(--r);text-decoration:none;color:var(--navy-deep);font-weight:600;transition:border-color .2s}
.cbox a:hover{border-color:var(--blue)}
.cbox svg{width:40px;height:40px;color:var(--navy);background:var(--sky);border-radius:12px;padding:9px;flex:none}
.cbox small{display:block;font-weight:500;color:var(--muted);font-size:.83rem}
form.f{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;display:grid;gap:16px;box-shadow:var(--shadow)}
.f label{font-weight:600;font-size:.9rem;display:grid;gap:6px}
.f input,.f select,.f textarea{font:inherit;padding:12px 14px;border:1px solid #c9d6e8;border-radius:10px;background:#fff;color:var(--ink);width:100%;transition:border-color .2s,box-shadow .2s}
.f input:focus,.f select:focus,.f textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,114,201,.2)}
.f .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f .hp{position:absolute;left:-9999px}
@media (max-width:860px){.contact .wrap{grid-template-columns:1fr}.f .two{grid-template-columns:1fr}}

/* Footer */
footer{background:var(--navy-deep);color:#b9cbea;padding-block:44px calc(40px + var(--safe-b));font-size:.94rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:24px 48px;justify-content:space-between;align-items:center}
footer .lg{background:#fff;padding:8px 14px;border-radius:10px}
footer .lg img{height:48px;width:auto}
footer a{color:#fff}
.legal{width:100%;font-size:.82rem;color:#8fa5cc;border-top:1px solid rgba(255,255,255,.14);padding-top:20px}

/* WhatsApp flotante */
.fab{position:fixed;right:18px;bottom:calc(18px + var(--safe-b));z-index:45;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 14px 28px -10px rgba(16,102,58,.65);transition:transform .2s}
.fab:hover{transform:scale(1.06)}
.fab svg{width:30px;height:30px}
.toast{position:fixed;left:50%;bottom:calc(92px + var(--safe-b));transform:translateX(-50%);background:var(--navy-deep);color:#fff;padding:10px 18px;border-radius:99px;z-index:70;font-weight:500;font-size:.95rem}

/* Placeholders de imagen (se reemplazan al completar "src" en assets/js/images.js) */
.ph{margin:0;display:grid;place-items:center;text-align:center;overflow:hidden}
.ph img{width:100%;height:100%;object-fit:cover}
.ph.empty{background:repeating-linear-gradient(135deg,#f1f6fc 0 14px,#e6eef8 14px 28px);border:1.5px dashed #9db6dc;color:var(--navy);padding:14px}
.ph .lab{display:grid;gap:4px;justify-items:center;max-width:32ch;font-size:.85rem;line-height:1.35;margin:0}
.ph .lab svg{width:36px;height:36px;opacity:.7}
.ph .lab b{font:600 .95rem var(--body)}
.ph .lab small{color:var(--muted)}

/* Aparición suave al hacer scroll */
.rv{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

#como-elegir{background:#fff}
.pick{border-top:4px solid var(--navy)}

/* Menú móvil */
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--sky-2);background:#fff;border-radius:12px;cursor:pointer;position:relative;flex:none}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:11px;right:11px;height:2px;background:var(--navy);border-radius:2px;content:"";transition:transform .25s,top .25s,opacity .2s}
.nav-toggle span{top:20px}.nav-toggle span::before{left:0;right:0;top:-6px}.nav-toggle span::after{left:0;right:0;top:6px}
.nav-toggle[aria-expanded=true] span{background:transparent}
.nav-toggle[aria-expanded=true] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded=true] span::after{top:0;transform:rotate(-45deg)}
.site-header .wrap{position:relative}
@media (max-width:960px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;margin:0;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 var(--r-lg) var(--r-lg);box-shadow:var(--shadow);padding:8px 8px 14px}
  .nav.open{display:block}
  .nav ul{flex-direction:column;gap:0}
  .nav a{display:block;padding:14px 16px;font-size:1.02rem;border-radius:10px}
  .nav a::after{display:none}
  .nav a:hover{background:var(--sky)}
}
/* Pantallas grandes y muy pequeñas */
@media (min-width:1600px){.wrap{width:min(1320px,100% - 80px)}html{font-size:106%}}
@media (max-width:640px){
  .wrap{width:calc(100% - 32px)}
  .topbar .wrap{justify-content:center;text-align:center}
  .topbar .wrap>span:first-child{display:none}
  .head{margin-bottom:26px}
  .hero .cta .btn{flex:1 1 100%}
  .ticks{gap:8px 18px}
  .grid{grid-template-columns:1fr}
  .seg-list{grid-template-columns:1fr}
  .out{flex-direction:column;align-items:stretch}.out .btn{width:100%}
  .calc,form.f{padding:22px}
  .facts{gap:18px 30px}
  .biz .cta .btn{flex:1 1 100%}
  .path{padding:18px 16px}
  .fab{width:54px;height:54px}
}
@media (max-width:360px){.brand img{height:40px}.btn{padding:12px 18px}.hero h1{font-size:2.05rem}}
.wrap>*,.grid>*{min-width:0}
.seg button{overflow-wrap:anywhere}
.cbox li,.cbox a span{min-width:0}.cbox a span{overflow-wrap:anywhere}
@media (max-width:360px){.cbox a{padding:12px;gap:12px}.cbox svg{width:34px;height:34px}}