/* AedOxígeno · estilos. Tokens en :root. Tema claro: el logo vive sobre blanco. */
:root{
  --navy:#2e4995; --navy-deep:#14244f; --blue:#3f7fd0; --sky:#e9f2fc; --sky-2:#d3e5f8;
  --red:#d1392d; --red-deep:#a92a20; --ink:#0f1b3a; --muted:#52627f; --line:#d8e3f1;
  --bg:#fbfdff; --white:#fff; --wa:#128c4a;
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:10px; --shadow:0 18px 40px -22px rgba(20,36,79,.45);
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(88px + var(--safe-t))}
body{margin:0;font:400 1.0625rem/1.6 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);line-height:1.1;margin:0;letter-spacing:-.02em;text-wrap:balance;color:var(--navy-deep)}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0}
.wrap{width:min(1180px,100% - 32px);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:4px}
@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 22px;border-radius:var(--r);font:700 1rem var(--body);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .15s,transform .15s;white-space:nowrap}
.btn svg{width:20px;height:20px;flex:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--navy-deep)}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-deep)}
.btn-wa{background:var(--wa);color:#fff}.btn-wa:hover{background:#0d6e39}
.btn-line{border-color:var(--navy);color:var(--navy);background:#fff}.btn-line:hover{background:var(--sky)}
.btn-white{background:#fff;color:var(--navy-deep)}.btn-white:hover{background:var(--sky)}
.btn-sm{padding:9px 14px;font-size:.93rem}

/* Etiqueta roja (eco del cuadro "Medicinal" del logo) */
.tag{display:inline-block;background:var(--red);color:#fff;font:italic 800 .92rem var(--display);padding:3px 11px;letter-spacing:.01em}

/* Barra superior */
.topbar{background:var(--navy-deep);color:#dbe7fb;font-size:.9rem;padding-top:var(--safe-t)}
.topbar .wrap{display:flex;gap:6px 22px;justify-content:space-between;flex-wrap:wrap;padding-block:7px}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar span{display:inline-flex;gap:8px;align-items:center}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:20px;padding-block:8px}
.brand img{height:62px;width:auto}
.nav{margin-left:auto}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav a{text-decoration:none;font-weight:600;color:var(--navy-deep);font-size:.97rem}
.nav a:hover{color:var(--red)}
.hdr-cta{display:flex;gap:8px;align-items:center}
@media (max-width:960px){.nav{display:none}.hdr-cta{margin-left:auto}}
@media (max-width:480px){.brand img{height:44px}.hdr-cta .lbl{display:none}}

/* Hero */
.hero{background:linear-gradient(180deg,var(--sky) 0%,#fff 100%);position:relative}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,5vw,64px);align-items:center;padding-block:clamp(36px,6vw,76px) clamp(64px,8vw,110px)}
.hero h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:800}
.hero h1 em{font-style:normal;color:var(--navy)}
.hero .lead{margin-top:18px;font-size:1.18rem;color:var(--muted);max-width:52ch}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.ticks{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px 24px;font-weight:600;font-size:.97rem;color:var(--navy-deep)}
.ticks li{display:flex;gap:8px;align-items:center}
.ticks svg{width:20px;height:20px;color:var(--red)}
.hero-photo{position:relative;padding:0 0 28px 28px}
.hero-photo::before{content:"";position:absolute;inset:0 28px 0 0;border:3px solid var(--navy);z-index:0}
.hero-photo .ph{position:relative;z-index:1;width:calc(100% - 22px);margin:22px 0 0 22px;box-shadow:var(--shadow)}
.hero-photo .tag{position:absolute;z-index:2;left:0;bottom:0;font-size:1.05rem;padding:7px 16px}
.hero-photo .seal{position:absolute;z-index:2;right:8px;top:-2px;background:var(--navy);color:#fff;width:124px;height:124px;border-radius:50%;display:grid;place-content:center;text-align:center;border:4px solid #fff;box-shadow:var(--shadow);line-height:1}
.seal b{font:800 2.4rem var(--display)}.seal small{font-size:.7rem;font-weight:600;margin-top:4px;padding:0 10px}
.wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:clamp(46px,7vw,92px);display:block}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-photo{order:-1;max-width:520px}}

/* Sendas rápidas */
.paths{background:var(--navy);color:#fff;padding-block:30px 34px;margin-top:-1px}
.paths .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.path{display:flex;gap:16px;align-items:center;padding:16px 18px;border:1.5px solid rgba(255,255,255,.35);border-radius:var(--r);color:#fff;text-decoration:none;transition:background .15s}
.path:hover{background:rgba(255,255,255,.1)}
.path .ic{width:50px;height:50px;border-radius:50%;background:#fff;color:var(--navy);display:grid;place-items:center;flex:none}
.path .ic svg{width:26px;height:26px}
.path b{display:block;font:700 1.1rem var(--display)}.path span{font-size:.92rem;color:#cfe0f8}
@media (max-width:820px){.paths .wrap{grid-template-columns:1fr}}

/* Secciones */
section{padding-block:clamp(52px,7vw,92px)}
.head{display:flex;justify-content:space-between;align-items:end;gap:16px 40px;flex-wrap:wrap;margin-bottom:30px}
.head p{color:var(--muted);max-width:58ch}

/* Tienda */
.toolbar{display:flex;gap:14px 24px;justify-content:space-between;flex-wrap:wrap;align-items:center;margin-bottom:24px}
.seg{display:inline-flex;border:2px solid var(--navy);border-radius:var(--r);overflow:hidden}
.seg button{border:0;background:#fff;color:var(--navy);font:700 .98rem var(--body);padding:10px 22px;cursor:pointer}
.seg button[aria-pressed=true]{background:var(--navy);color:#fff}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1.5px solid var(--line);background:#fff;color:var(--navy-deep);border-radius:99px;padding:7px 16px;font:600 .93rem var(--body);cursor:pointer}
.chip[aria-pressed=true]{background:var(--sky-2);border-color:var(--navy)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{background:#fff;border:1.5px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;overflow:hidden}
.card .pic{background:#fff;aspect-ratio:4/3;display:grid;place-items:center;padding:14px;border-bottom:1px solid var(--line);position:relative}
.card .pic .ph{width:100%;height:100%;aspect-ratio:auto!important}.card .pic .ph img{object-fit:contain}
.card .pic svg{width:96px;height:96px;color:var(--navy);opacity:.75}
.card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:1.1rem}
.card .d{color:var(--muted);font-size:.95rem}
.card ul{margin:2px 0 0;padding-left:18px;font-size:.9rem;color:var(--navy-deep)}
.card .foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.price{font:800 1.35rem var(--display);color:var(--navy-deep)}
.price small{display:block;font:500 .78rem var(--body);color:var(--muted)}
.price.ask{font-size:1rem;color:var(--muted)}
.nota{margin-top:22px;font-size:.92rem;color:var(--muted)}

/* Calculadora */
.calc-sec{background:var(--sky)}
.calc-sec .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.calc{background:#fff;border:2px solid var(--navy);padding:26px;border-radius:var(--r);box-shadow:var(--shadow)}
.calc .lab{display:flex;justify-content:space-between;font-weight:700;margin:18px 0 8px}
.calc .seg{display:flex;width:100%}.calc .seg button{flex:1;padding:10px 6px;font-size:.92rem}
.calc .seg small{display:block;font-weight:500;font-size:.78rem;opacity:.85}
input[type=range]{width:100%;accent-color:var(--navy)}
.out{margin-top:22px;padding:18px;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 2.2rem var(--display);color:var(--navy-deep);display:block;line-height:1}
.out span{font-size:.9rem;color:var(--muted)}
.fine{margin-top:12px;font-size:.84rem;color:var(--muted)}
@media (max-width:860px){.calc-sec .wrap{grid-template-columns:1fr}}

/* Guía de equipo */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pick{border-top:5px solid var(--navy);background:#fff;padding:22px;border-radius:0 0 var(--r) var(--r);border:1.5px solid var(--line);border-top:5px solid var(--navy)}
.pick:nth-child(2){border-top-color:var(--red)}
.pick h3{margin-bottom:8px}.pick p{color:var(--muted);font-size:.97rem}
.pick .who{margin-top:12px;font-weight:700;font-size:.92rem;color:var(--navy)}
@media (max-width:860px){.three{grid-template-columns:1fr}}

/* Pasos */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps li{counter-increment:s;background:#fff;border:1.5px solid var(--line);padding:24px;border-radius:var(--r);position:relative}
.steps li::before{content:counter(s);font:800 2.6rem var(--display);color:var(--sky-2);position:absolute;right:18px;top:8px}
.steps b{display:block;font:700 1.15rem var(--display);margin-bottom:6px;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:#e6eefc}
.biz h2,.biz h3{color:#fff}
.biz .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,5vw,64px);align-items:center}
.biz .ph{border-radius:var(--r);width:100%}
.biz p{color:#c4d5f2;margin-top:14px;max-width:56ch}
.seg-list{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
.seg-list li{display:flex;gap:10px;align-items:center;font-weight:600}
.seg-list svg{width:22px;height:22px;color:#fff;background:var(--red);border-radius:50%;padding:4px;flex:none}
.biz .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
@media (max-width:860px){.biz .wrap{grid-template-columns:1fr}}

/* Nosotros */
.about .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,64px);align-items:center}
.about p{color:var(--muted);margin-top:14px;max-width:60ch}
.facts{display:flex;gap:14px 34px;flex-wrap:wrap;margin-top:26px}
.facts div b{font:800 2.2rem var(--display);color:var(--navy);display:block;line-height:1}
.facts div span{font-size:.9rem;color:var(--muted)}
.about .ph{border-radius:var(--r);box-shadow:var(--shadow)}
@media (max-width:860px){.about .wrap{grid-template-columns:1fr}}

/* FAQ */
.faq{max-width:860px}
details{border-bottom:1.5px solid var(--line);padding:4px 0}
summary{cursor:pointer;font:700 1.08rem var(--display);padding:16px 36px 16px 0;list-style:none;position:relative;color:var(--navy-deep)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:10px;font:400 1.8rem var(--body);color:var(--red)}
details[open] summary::after{content:"–"}
details p{padding:0 0 18px;color:var(--muted);max-width:70ch}

/* Contacto */
.contact{background:var(--sky)}
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,5vw,64px)}
.cbox{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.cbox a{display:flex;gap:14px;align-items:center;background:#fff;border:1.5px solid var(--line);padding:14px 16px;border-radius:var(--r);text-decoration:none;color:var(--navy-deep);font-weight:700}
.cbox svg{width:26px;height:26px;color:var(--navy);flex:none}
.cbox small{display:block;font-weight:500;color:var(--muted)}
form.f{background:#fff;border:2px solid var(--navy);border-radius:var(--r);padding:24px;display:grid;gap:14px}
.f label{font-weight:700;font-size:.93rem;display:grid;gap:6px}
.f input,.f select,.f textarea{font:inherit;padding:11px 12px;border:1.5px solid #b9c9e2;border-radius:8px;background:#fff;color:var(--ink);width:100%}
.f .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.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:#c4d5f2;padding-block:40px calc(40px + var(--safe-b));font-size:.95rem}
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:8px}
footer .lg img{height:48px;width:auto}
footer a{color:#fff}
.legal{width:100%;font-size:.84rem;color:#9db3dc;border-top:1px solid rgba(255,255,255,.18);padding-top:18px}

/* WhatsApp flotante */
.fab{position:fixed;right:16px;bottom:calc(16px + var(--safe-b));z-index:45;width:60px;height:60px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px -6px rgba(0,0,0,.45)}
.fab svg{width:32px;height:32px}

.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:600;font-size:.95rem}
.toast[hidden]{display:none}

@media (max-width:860px){
  .hero .wrap{padding-block:20px 64px}
  .hero-photo .seal{width:92px;height:92px;right:4px;top:-6px}
  .seal b{font-size:1.8rem}.seal small{font-size:.6rem;padding:0 6px}
}

/* 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,#eaf2fc 0 14px,#dfeaf8 14px 28px);border:2px dashed var(--navy);color:var(--navy);padding:14px}
.ph .lab{display:grid;gap:4px;justify-items:center;max-width:32ch;font-size:.85rem;line-height:1.35}
.ph .lab svg{width:38px;height:38px;opacity:.8}
.ph .lab b{font:700 .95rem var(--display)}
.ph .lab small{color:var(--muted)}

[hidden]{display:none!important}
.nav a{white-space:nowrap}
@media (max-width:1180px){.nav ul{gap:14px}.nav a{font-size:.9rem}}