/* Salud Celular — Pascal Kahlem, PhD */
:root{
  --paper:#F7F9FA; --panel:#FFFFFF; --ink:#12191C; --mid:#4F5B60; --dim:#7F8D93;
  --rule:#DFE6E8; --accent:#0E7C8A; --accent-soft:#E2F1F3;
  --deep:#0B1F29; --deep-soft:#E6EFF1;
  --hero-bg:#081820; --hero-cyan:#5FE6F0;
  --shadow:0 1px 2px rgba(11,31,41,.05), 0 14px 36px -28px rgba(11,31,41,.55);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0E1417; --panel:#161E22; --ink:#E6EDEF; --mid:#9BA9AE; --dim:#74838A;
    --rule:#263138; --accent:#4FCBD9; --accent-soft:#10333A;
    --deep:#8FD8E2; --deep-soft:#0F2A31;
    --shadow:0 1px 2px rgba(0,0,0,.5), 0 14px 36px -28px rgba(0,0,0,.95);
  }
}
:root[data-theme="dark"]{
  --paper:#0E1417; --panel:#161E22; --ink:#E6EDEF; --mid:#9BA9AE; --dim:#74838A;
  --rule:#263138; --accent:#4FCBD9; --accent-soft:#10333A;
  --deep:#8FD8E2; --deep-soft:#0F2A31;
  --shadow:0 1px 2px rgba(0,0,0,.5), 0 14px 36px -28px rgba(0,0,0,.95);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:Manrope,system-ui,sans-serif;font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;}
.wrap{max-width:780px;margin:0 auto;padding:0 24px;}

/* header */
header.site{border-bottom:1px solid var(--rule);background:var(--paper);}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap;}
.brand{font-family:Newsreader,Georgia,serif;font-weight:600;font-size:21px;
  letter-spacing:-.01em;text-decoration:none;color:var(--ink);}
.brand span{color:var(--accent);}
nav.site{display:flex;gap:20px;flex-wrap:wrap;align-items:center;}
nav.site a{font-size:15px;color:var(--mid);text-decoration:none;}
nav.site a:hover,nav.site a[aria-current="page"]{color:var(--accent);}
.lang{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12px;
  color:var(--dim);text-decoration:none;border:1px solid var(--rule);
  padding:3px 7px;border-radius:2px;}
.lang:hover{color:var(--accent);border-color:var(--accent);}

main{padding:56px 0 20px;}
h1{font-family:Newsreader,Georgia,serif;font-weight:600;
  font-size:clamp(31px,5.2vw,45px);line-height:1.1;letter-spacing:-.02em;
  margin:0 0 16px;text-wrap:balance;}
h2{font-family:Newsreader,Georgia,serif;font-weight:600;font-size:26px;
  letter-spacing:-.01em;margin:44px 0 10px;text-wrap:balance;}
h3{font-family:Newsreader,Georgia,serif;font-weight:600;font-size:19px;margin:0 0 6px;}
p{margin:0 0 16px;} p:last-child{margin-bottom:0;}
.lede{font-size:19.5px;color:var(--mid);max-width:60ch;}
.eyebrow{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
  font-weight:500;margin:0 0 10px;}
a{color:var(--accent);text-underline-offset:2px;}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
ul.plain{padding-left:20px;color:var(--mid);}
ul.plain li{margin-bottom:8px;}

.cta{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;
  font-weight:600;font-size:16px;padding:11px 22px;border-radius:2px;margin-top:6px;}
.cta:hover{opacity:.9;}
.cta.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent);}

.card{background:var(--panel);border:1px solid var(--rule);border-radius:2px;
  padding:22px 24px;box-shadow:var(--shadow);}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin-top:8px;}
.stack{display:grid;gap:16px;}

table.rates{width:100%;border-collapse:collapse;font-size:16px;margin-top:8px;
  font-variant-numeric:tabular-nums;}
table.rates th,table.rates td{text-align:left;padding:11px 14px 11px 0;
  border-bottom:1px solid var(--rule);vertical-align:top;}
table.rates th{font-size:11px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--dim);font-weight:700;}
table.rates td.n{font-family:"JetBrains Mono",monospace;white-space:nowrap;}
.scroller{overflow-x:auto;}

.note{background:var(--deep-soft);border:1px solid var(--rule);
  border-left:4px solid var(--deep);border-radius:2px;padding:18px 20px;margin-top:24px;}
.note h3{color:var(--deep);}
.note p{font-size:16px;color:var(--mid);}

.disclaimer{background:var(--panel);border:1px solid var(--rule);border-radius:2px;
  padding:16px 18px;margin-top:28px;font-size:15px;color:var(--mid);}
.disclaimer b{color:var(--ink);}

footer.site{border-top:1px solid var(--rule);margin-top:64px;padding:28px 0 48px;}
footer.site .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:14.5px;color:var(--dim);}
footer.site a{color:var(--mid);text-decoration:none;}
footer.site a:hover{color:var(--accent);}
footer.site nav{display:flex;gap:16px;flex-wrap:wrap;}
.legal-body h2{font-size:21px;margin-top:32px;}
.legal-body p,.legal-body li{font-size:15.5px;color:var(--mid);}
.fill{background:var(--accent-soft);color:var(--accent);
  font-family:"JetBrains Mono",monospace;font-size:.88em;padding:1px 6px;border-radius:2px;}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;}html{scroll-behavior:auto;}}

/* purchase / partner link */
.quicklink{display:flex;gap:16px;align-items:center;flex-wrap:wrap;
  border:1px solid var(--rule);background:var(--panel);border-radius:2px;
  padding:15px 18px;margin-top:26px;font-size:15.5px;color:var(--mid);
  box-shadow:var(--shadow);}
.quicklink b{color:var(--ink);}
.quicklink a.cta{margin-top:0;padding:9px 18px;font-size:15px;}
.buy{background:var(--accent-soft);border:1px solid var(--rule);
  border-left:4px solid var(--accent);border-radius:2px;padding:24px 26px;margin-top:30px;}
.buy h2{margin-top:0;color:var(--accent);}
.buy p{color:var(--mid);}
.disclose{font-size:14.5px;color:var(--dim);margin-top:12px;line-height:1.55;}

/* ---------- illustration + richer layout ---------- */
.ill{display:block;width:100%;height:auto;color:var(--accent);}
.hero{position:relative;overflow:hidden;background:var(--hero-bg);isolation:isolate;}
.hero .wrap{position:relative;z-index:3;padding-top:92px;padding-bottom:82px;}
.hero-art{position:absolute;inset:0;z-index:1;pointer-events:none;}


.hero-svg{width:100%;height:100%;display:block;object-fit:cover;}
.hero::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(102deg,rgba(8,24,32,.93) 0%,rgba(8,24,32,.66) 40%,rgba(8,24,32,.10) 100%);}
.hero h1{margin-bottom:14px;color:#fff;}
.hero .eyebrow{color:var(--hero-cyan);}
.hero .lede{color:rgba(255,255,255,.80);}
.hero .cta.ghost{color:#fff;border-color:rgba(255,255,255,.45);}
.hero .cta.ghost:hover{border-color:#fff;}
.hero .lede{font-size:20px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}

.section-art{max-width:290px;margin:6px auto 0;opacity:.72;}
.section-art.wide{max-width:440px;}

.card{position:relative;overflow:hidden;}
.card .mark{width:26px;height:26px;color:var(--accent);opacity:.85;margin-bottom:10px;display:block;}
.card.tinted{background:linear-gradient(160deg,var(--accent-soft) 0%,var(--panel) 62%);}

.split{display:grid;gap:30px;grid-template-columns:1.25fr .75fr;align-items:center;margin-top:34px;}
@media (max-width:720px){.split{grid-template-columns:1fr;gap:18px;}}

.rule-label{display:flex;align-items:center;gap:14px;margin:52px 0 4px;}
.rule-label::after{content:"";flex:1;height:1px;background:var(--rule);}
.rule-label h2{margin:0;}

.steps{counter-reset:s;display:grid;gap:14px;margin-top:10px;}
.step-card{position:relative;background:var(--panel);border:1px solid var(--rule);
  border-radius:2px;padding:20px 22px 20px 60px;box-shadow:var(--shadow);}
.step-card::before{counter-increment:s;content:counter(s);
  position:absolute;left:20px;top:19px;width:26px;height:26px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  font-family:"JetBrains Mono",monospace;font-size:12px;font-weight:500;
  display:flex;align-items:center;justify-content:center;}
.step-card h3{margin-bottom:5px;}
.step-card p{color:var(--mid);font-size:16px;}

/* ---------- homepage: alternating route blocks ---------- */
.band{background:var(--panel);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);}
.band.tint{background:linear-gradient(175deg,var(--accent-soft) 0%,var(--panel) 70%);}
.band > .wrap{padding:58px 24px;max-width:940px;}
.route{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;}
.route .route-art{color:var(--accent);opacity:.78;}
.route.flip .route-copy{order:2;}
.route h2{margin-top:0;}
.route p{color:var(--mid);}
.route .meta-row{display:flex;flex-wrap:wrap;gap:8px 22px;margin:16px 0 20px;
  font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--dim);}
.route .meta-row b{color:var(--ink);font-weight:500;}
@media (max-width:760px){
  .route{grid-template-columns:1fr;gap:22px;}
  .route.flip .route-copy{order:0;}
  .route .route-art{max-width:280px;margin:0 auto;}
}

/* ---------- three-step funnel ---------- */
.flow3{max-width:940px;margin-left:auto;margin-right:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:26px;
  border:1px solid var(--rule);border-radius:2px;overflow:hidden;background:var(--panel);}
.flow3 .f{padding:22px 22px 24px;border-right:1px solid var(--rule);position:relative;}
.flow3 .f:last-child{border-right:0;}
.flow3 .n{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.14em;
  color:var(--accent);display:block;margin-bottom:8px;}
.flow3 h3{font-size:17.5px;margin-bottom:5px;}
.flow3 p{font-size:15px;color:var(--mid);margin:0;}
.flow3 .price{display:block;margin-top:12px;font-family:"JetBrains Mono",monospace;
  font-size:13px;color:var(--ink);}
@media (max-width:760px){
  .flow3{grid-template-columns:1fr;}
  .flow3 .f{border-right:0;border-bottom:1px solid var(--rule);}
  .flow3 .f:last-child{border-bottom:0;}
}

/* ---------- credibility strip ---------- */
.creds{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--rule);border:1px solid var(--rule);margin-top:8px;}
.creds div{background:var(--paper);padding:18px 20px;}
.creds .k{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--dim);display:block;margin-bottom:5px;}
.creds .v{font-size:16px;color:var(--ink);line-height:1.45;}

.closer{text-align:center;padding:16px 0 4px;}
.closer h2{margin-bottom:8px;}
.closer p{color:var(--mid);max-width:52ch;margin-left:auto;margin-right:auto;}

/* ---------- inner page headers ---------- */
.pagehead{background:linear-gradient(172deg,var(--accent-soft) 0%,var(--paper) 84%);
  border-bottom:1px solid var(--rule);position:relative;overflow:hidden;}
.pagehead > .wrap{padding:54px 24px 48px;position:relative;z-index:2;max-width:940px;}
.pagehead h1{margin-bottom:13px;}
.pagehead .lede{max-width:58ch;}
.pagehead-art{position:absolute;right:-56px;top:50%;transform:translateY(-50%);
  width:330px;opacity:.30;z-index:1;color:var(--accent);pointer-events:none;}
.pagehead-art .ill{width:100%;height:auto;display:block;}
@media (max-width:900px){.pagehead-art{display:none;}}
main.wrap{padding-top:44px;}

/* ---------- evidence page ---------- */
.caution-plain{background:var(--panel);border:1px solid var(--rule);border-left:4px solid var(--accent);
  border-radius:2px;padding:20px 22px;margin-top:6px;box-shadow:var(--shadow);}
.caution-plain h3{color:var(--accent);margin-bottom:8px;}
.caution-plain ol{margin:0;padding-left:20px;color:var(--mid);font-size:15.5px;}
.caution-plain li{margin-bottom:9px;}
.caution-plain li:last-child{margin-bottom:0;}
.studies{display:grid;gap:14px;margin-top:12px;}
.study{background:var(--panel);border:1px solid var(--rule);border-radius:2px;
  padding:18px 20px;box-shadow:var(--shadow);}
.study h3{font-size:16.5px;line-height:1.4;margin-bottom:6px;font-family:Manrope,sans-serif;font-weight:600;}
.study .cite{font-size:14.5px;color:var(--mid);margin:0 0 10px;}
.study-meta{display:flex;flex-wrap:wrap;gap:6px 22px;font-family:"JetBrains Mono",monospace;
  font-size:11.5px;color:var(--dim);}
.study-meta b{color:var(--ink);font-weight:500;}

/* ---------- manufacturer indications block ---------- */
.ifu{background:var(--panel);border:1px solid var(--rule);border-left:4px solid var(--deep);
  border-radius:2px;padding:22px 24px;margin-top:26px;box-shadow:var(--shadow);}
.ifu h3{color:var(--deep);margin-bottom:4px;}
.ifu .src{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.05em;
  color:var(--dim);margin:0 0 14px;}
.ifu blockquote{margin:0 0 14px;padding:0 0 0 16px;border-left:2px solid var(--rule);
  font-size:16.5px;color:var(--ink);font-style:italic;}
.ifu h4{font-family:Manrope,sans-serif;font-size:14.5px;font-weight:700;margin:16px 0 6px;
  letter-spacing:.01em;}
.ifu ul{margin:0;padding-left:18px;color:var(--mid);font-size:15.5px;}
.ifu li{margin-bottom:5px;}
.ifu li:last-child{margin-bottom:0;}
.ifu .note-small{font-size:14.5px;color:var(--mid);margin-top:14px;}
.warn-box{background:var(--accent-soft);border:1px solid var(--rule);border-left:4px solid var(--accent);
  border-radius:2px;padding:18px 20px;margin-top:16px;}
.warn-box h4{color:var(--accent);font-family:Manrope,sans-serif;font-size:15px;font-weight:700;margin:0 0 7px;}
.warn-box ul{margin:0;padding-left:18px;color:var(--mid);font-size:15.5px;}
.warn-box li{margin-bottom:5px;}

/* ---------- blog ---------- */
.postlist{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-top:8px;}
.postcard{display:block;background:var(--panel);border:1px solid var(--rule);border-radius:2px;
  padding:22px 24px;box-shadow:var(--shadow);text-decoration:none;color:inherit;
  transition:border-color .15s ease,transform .15s ease;}
.postcard:hover{border-color:var(--accent);transform:translateY(-2px);}
.postcard h2{font-size:19px;line-height:1.32;margin:0 0 8px;}
.postcard p{color:var(--mid);font-size:15.5px;margin:0;}
main.wrap.post{max-width:720px;}
.postbody{font-size:17.5px;line-height:1.68;}
.postbody > p:first-of-type{font-size:19px;color:var(--ink);}
.postbody h2{font-size:23px;margin:38px 0 10px;}
.postbody h3{font-size:17px;margin:26px 0 6px;font-family:Manrope,sans-serif;font-weight:600;}
.postbody p,.postbody li{color:var(--mid);}
.postbody ul,.postbody ol{padding-left:22px;}
.postbody li{margin-bottom:8px;}
.postbody blockquote{margin:22px 0;padding:2px 0 2px 18px;border-left:3px solid var(--rule);
  font-style:italic;color:var(--ink);}
.postbody table{width:100%;border-collapse:collapse;font-size:16px;margin:18px 0;}
.postbody th,.postbody td{text-align:left;padding:10px 14px 10px 0;border-bottom:1px solid var(--rule);
  vertical-align:top;color:var(--mid);}
.postbody th{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--dim);font-weight:700;}
.postbody > p:last-child{border-top:1px solid var(--rule);padding-top:20px;margin-top:32px;
  color:var(--ink);font-size:18px;}
.postnav{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:34px;padding-top:20px;border-top:1px solid var(--rule);font-size:15.5px;}
.postnav a{text-decoration:none;max-width:46%;}
.postnav a:hover{text-decoration:underline;}
.backlink{margin-top:24px;font-size:15px;}
.backlink a{text-decoration:none;}
@media (max-width:620px){.postnav a{max-width:100%;}.postbody{font-size:16.5px;}}