@font-face{font-family:"Montserrat";font-weight:600;font-style:normal;font-display:swap;src:url(/fonts/montserrat-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Montserrat";font-weight:700;font-style:normal;font-display:swap;src:url(/fonts/montserrat-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Montserrat";font-weight:800;font-style:normal;font-display:swap;src:url(/fonts/montserrat-latin-800-normal.woff2) format("woff2")}
@font-face{font-family:"Source Serif 4";font-weight:400;font-style:normal;font-display:swap;src:url(/fonts/source-serif-4-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Source Serif 4";font-weight:400;font-style:italic;font-display:swap;src:url(/fonts/source-serif-4-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Source Serif 4";font-weight:600;font-style:normal;font-display:swap;src:url(/fonts/source-serif-4-latin-600-normal.woff2) format("woff2")}

:root{
  --paper:#F3F6F6; --surface:#FFFFFF; --surface-2:#E8EFF0;
  --ink:#0F2229; --muted:#4A5F67; --line:#D5E0E2;
  --teal:#0D5F79; --teal-ink:#0D5F79; --band:#0D5F79; --band-2:#0A4D63; --band-ink:#FFFFFF; --band-muted:#C9E2EA;
  --orange:#E8621A; --orange-hover:#CF5310; --on-orange:#FFFFFF;
  --mustard:#F2B32B; --mark:rgba(242,179,43,.38);
  --alarm:#B42318; --alarm-bg:#FDECEA; --warn:#8A5A00; --warn-bg:#FFF4DC;
  --ok:#1D7A4C; --shadow:0 18px 40px -18px rgba(9,40,52,.45);
  --r:12px;
  --sans:"Montserrat",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --serif:"Source Serif 4","Source Serif Pro",Georgia,"Times New Roman",serif;
}
:root{color-scheme:light}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--serif);text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-ink);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--mustard);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--sans);line-height:1.12;letter-spacing:-.02em;text-wrap:balance;margin:0}
h1{font-weight:800;font-size:clamp(2rem,1.2rem + 3.4vw,3.35rem)}
h2{font-weight:800;font-size:clamp(1.55rem,1.1rem + 1.8vw,2.3rem)}
h3{font-weight:700;font-size:1.18rem;letter-spacing:-.01em}
p{margin:0}
mark{background:linear-gradient(transparent 55%,var(--mark) 55%);color:inherit;padding:0 .08em}
.wrap{max-width:1120px;margin:0 auto;padding-inline:20px}
.narrow{max-width:720px;margin:0 auto;padding-inline:20px}
.eyebrow{font:700 .78rem/1.3 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--teal-ink)}
.sans{font-family:var(--sans)}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;z-index:99}
.skip:focus{left:12px}

/* header */
.site-h{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-h .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:800 1rem/1 var(--sans);letter-spacing:-.01em;margin-right:auto}
.logo-mark{width:34px;height:34px;flex:none}
.logo small{display:block;font:600 .68rem/1.2 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:22px}
.nav a{font:600 .9rem/1 var(--sans);color:var(--ink);text-decoration:none}
.nav a:hover{color:var(--teal-ink)}
@media (max-width:860px){.nav{display:none}}
@media (max-width:520px){.logo small{display:none}.logo{font-size:.9rem}.site-h .wrap{gap:12px}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;font:700 1rem/1.2 var(--sans);text-decoration:none;border-radius:10px;padding:15px 22px;transition:background .15s,transform .15s,box-shadow .15s;cursor:pointer;border:0}
.btn-buy{background:var(--orange);color:var(--on-orange);box-shadow:0 10px 24px -12px rgba(232,98,26,.9)}
.btn-buy:hover{background:var(--orange-hover);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--line)}
.btn-ghost:hover{box-shadow:inset 0 0 0 2px var(--teal-ink)}
.btn-sm{padding:10px 16px;font-size:.9rem}
.btn svg{width:1.05em;height:1.05em;flex:none}
.micro{font:500 .82rem/1.45 var(--sans);color:var(--muted)}

/* hero */
.hero{padding-block:clamp(36px,6vw,80px) clamp(40px,6vw,72px)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(28px,5vw,72px);align-items:center}
.hero h1 .accent{color:var(--orange)}
.hero .lead{font-size:1.2rem;line-height:1.55;color:var(--muted);margin-top:20px;max-width:34em}
.checks{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:10px}
.checks li{display:flex;gap:12px;align-items:flex-start;font:500 .98rem/1.45 var(--sans)}
.checks svg{width:22px;height:22px;flex:none;color:var(--ok);margin-top:1px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;align-items:center}
.hero .micro{margin-top:14px;max-width:36em}
.cover{position:relative;justify-self:center;max-width:340px;width:100%}
.cover img{border-radius:4px 8px 8px 4px;box-shadow:var(--shadow),inset 0 0 0 1px rgba(0,0,0,.1);transform:perspective(1400px) rotateY(-9deg);transform-origin:left center}
.cover::before{content:"";position:absolute;inset:6% -8% -4% 8%;background:radial-gradient(closest-side,var(--mark),transparent);z-index:-1;filter:blur(10px)}
.cover .badge{position:absolute;right:-10px;top:18px;background:var(--surface);color:var(--ink);font:700 .78rem/1.25 var(--sans);padding:10px 12px;border-radius:10px;box-shadow:var(--shadow);text-align:center}
.cover .badge b{display:block;font-size:1.25rem;color:var(--orange)}
@media (max-width:820px){
  .hero-grid{grid-template-columns:1fr}
  .cover{order:-1;max-width:150px;justify-self:start}
  .cover img{transform:none}
  .cover .badge{right:-84px;top:auto;bottom:18px}
}

/* band: the stopwatch */
.band{background:var(--band);color:var(--band-ink)}
.band .eyebrow{color:var(--mustard)}
.clock-grid{display:grid;grid-template-columns:auto 1fr;gap:clamp(28px,5vw,64px);align-items:center;padding-block:clamp(48px,7vw,84px)}
.dial{width:min(300px,70vw);height:auto;display:block}
.dial .tick{stroke:var(--band-muted)}
.dial .tick-5{stroke:var(--mustard)}
.dial .arc{stroke:var(--orange);stroke-dasharray:var(--len) var(--len);stroke-dashoffset:0;animation:sweep 1.6s cubic-bezier(.6,.05,.2,1) .2s both}
@keyframes sweep{from{stroke-dashoffset:var(--len)}to{stroke-dashoffset:0}}
.dial text{fill:var(--band-ink);font-family:var(--sans)}
.clock-copy h2{color:var(--band-ink);margin-top:10px}
.clock-copy p{color:var(--band-muted);margin-top:16px;max-width:36em;font-size:1.08rem}
.stat-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;max-width:520px}
.stat{background:var(--band-2);border-radius:var(--r);padding:16px 18px}
.stat b{display:block;font:800 2.2rem/1 var(--sans);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat span{display:block;font:500 .86rem/1.4 var(--sans);color:var(--band-muted);margin-top:8px}
.stat.hot b{color:var(--mustard)}
.src{font:500 .78rem/1.45 var(--sans);color:var(--band-muted);margin-top:16px;max-width:44em}
@media (max-width:760px){.clock-grid{grid-template-columns:1fr;justify-items:start}.dial{width:min(240px,70vw)}}

/* sections */
.sec{padding-block:clamp(56px,8vw,96px)}
.sec-head{max-width:720px;margin-bottom:34px}
.sec-head p{color:var(--muted);margin-top:14px;font-size:1.1rem}
.alt{background:var(--surface-2)}

.quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:860px){.quotes{grid-template-columns:1fr}}
.quotes li{list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;font:italic 400 1.08rem/1.5 var(--serif)}
.quotes{padding:0;margin:0}
.silence{margin-top:30px;font:800 clamp(1.3rem,1rem + 1.2vw,1.8rem)/1.25 var(--sans);letter-spacing:-.02em;max-width:24em}

.inside{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0;border-top:1px solid var(--line)}
.inside div{padding:22px 24px 22px 0;border-bottom:1px solid var(--line)}
.inside h3{margin-bottom:8px}
.inside p{color:var(--muted)}
.inside .ch{font:700 .75rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--orange);display:block;margin-bottom:10px}

/* chapters */
.parts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:26px 30px}
@media (min-width:1040px){.parts{grid-template-columns:repeat(5,minmax(0,1fr));gap:26px 24px}}
.part h3{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-ink);padding-bottom:10px;border-bottom:2px solid var(--teal-ink);margin-bottom:12px}
.part ol{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.part li{display:grid;grid-template-columns:2.1em 1fr;font:500 .95rem/1.35 var(--sans)}
.part li span{color:var(--muted);font-variant-numeric:tabular-nums}
.part li.first{font-weight:700}
.part li.first em{display:block;font-style:normal;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--alarm);margin-top:3px}

/* evidence meter */
.ev{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.ev-row{display:grid;grid-template-columns:1.1fr 1.4fr;gap:18px;padding:16px 20px;border-top:1px solid var(--line);align-items:center}
.ev-row:first-child{border-top:0}
.ev-row h3{font-size:1rem}
.ev-row p{font-size:.93rem;color:var(--muted);margin-top:4px}
.meter{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
.meter i{height:10px;border-radius:3px;background:var(--line)}
.meter-lab{display:flex;justify-content:space-between;font:600 .7rem/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:7px}
.meter-lab b{color:var(--ink)}
.lv-4 i{background:var(--ok)} .lv-3 i:nth-child(-n+3){background:var(--teal-ink)} .lv-3 i:nth-child(4){background:var(--line)}
.lv-2 i:nth-child(-n+2){background:var(--mustard)} .lv-1 i:first-child{background:var(--alarm)}
@media (max-width:640px){.ev-row{grid-template-columns:1fr}}

.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
@media (max-width:820px){.two{grid-template-columns:1fr}}
.annex{list-style:none;padding:0;margin:0;display:grid;gap:0}
.annex li{display:grid;grid-template-columns:2.4em 1fr;padding:14px 0;border-bottom:1px solid var(--line);font:600 1rem/1.4 var(--sans)}
.annex li span{color:var(--orange);font-weight:800}
.annex li small{display:block;font:400 .92rem/1.45 var(--serif);color:var(--muted);margin-top:3px}

.author{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start}
.author .pic{width:64px;height:64px;border-radius:50%;background:var(--band);color:var(--mustard);display:grid;place-items:center;font:800 1.4rem/1 var(--sans)}
blockquote{margin:0;font:italic 400 1.25rem/1.5 var(--serif);border-left:3px solid var(--orange);padding-left:18px}
.reviewer{margin-top:22px;display:flex;gap:12px;align-items:center;font:600 .95rem/1.4 var(--sans)}
.reviewer svg{width:26px;height:26px;color:var(--orange);flex:none}

/* pricing */
.formats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:880px}
.fmt{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;display:flex;flex-direction:column;gap:14px}
.fmt.pick{border:2px solid var(--orange);box-shadow:var(--shadow)}
.fmt .tag{align-self:flex-start;font:700 .7rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;background:var(--orange);color:var(--on-orange);padding:6px 9px;border-radius:6px}
.fmt .tag.muted{background:var(--surface-2);color:var(--muted)}
.fmt .price{font:800 2.4rem/1 var(--sans);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.fmt .price small{font-size:1rem;font-weight:600;color:var(--muted);letter-spacing:0}
.fmt ul{margin:0;padding-left:1.1em;color:var(--muted);display:grid;gap:6px;font-size:.98rem}
.fmt .btn{margin-top:auto}
@media (max-width:700px){.formats{grid-template-columns:1fr}}

/* article cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.card{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--teal-ink);transform:translateY(-2px)}
.card .k{font:700 .72rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--orange)}
.card h3{font-size:1.12rem}
.card p{color:var(--muted);font-size:.96rem}
.grp{margin-top:36px}.grp:first-of-type{margin-top:8px}.grp h2{font-size:1.25rem;margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--teal-ink);color:var(--teal-ink)}
.card .more{font:700 .88rem/1 var(--sans);color:var(--teal-ink);margin-top:auto}

/* faq */
.faq{max-width:780px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;font:700 1.08rem/1.35 var(--sans)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;border-right:2.5px solid var(--teal-ink);border-bottom:2.5px solid var(--teal-ink);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details>div{padding:0 0 22px;color:var(--muted)}
.faq details>div p+p{margin-top:10px}

.final{text-align:left}
.final .box{background:var(--band);color:var(--band-ink);border-radius:20px;padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.final h2{color:var(--band-ink)}
.final p{color:var(--band-muted);margin-top:12px;max-width:34em}
.final img{width:150px;border-radius:3px;box-shadow:0 20px 40px -16px rgba(0,0,0,.6)}
@media (max-width:700px){.final .box{grid-template-columns:1fr}.final img{width:120px}}

/* footer */
.site-f{border-top:1px solid var(--line);padding-block:40px 110px;font:500 .88rem/1.55 var(--sans);color:var(--muted)}
.site-f .wrap{display:grid;gap:18px}
.site-f nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.site-f a{color:var(--muted)}
.disclaimer{max-width:62em}

/* sticky mobile CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--surface);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));display:none;gap:12px;align-items:center;box-shadow:0 -10px 30px -18px rgba(0,0,0,.4)}
.sticky-cta .t{font:700 .88rem/1.25 var(--sans);flex:1;min-width:0}
.sticky-cta .t small{display:block;font-weight:500;color:var(--muted)}
@media (max-width:760px){.sticky-cta{display:flex}}

/* ============ article ============ */
.crumbs{font:500 .82rem/1.4 var(--sans);color:var(--muted);padding-top:28px}
.crumbs a{color:var(--muted)}
.art-head{padding-block:18px 26px}
.art-head h1{font-size:clamp(1.9rem,1.2rem + 2.6vw,2.9rem)}
.art-head .dek{font-size:1.2rem;line-height:1.55;color:var(--muted);margin-top:18px}
.byline{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:20px;font:600 .82rem/1.4 var(--sans);color:var(--muted)}
.prose{font-size:1.125rem;line-height:1.72}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(1.35rem,1.1rem + 1vw,1.75rem);margin-top:2.1em}
.prose h3{margin-top:1.6em}
.prose ul,.prose ol{padding-left:1.25em}
.prose li+li{margin-top:.45em}
.prose .tldr{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;font-size:1.02rem}
.prose .tldr b.h{display:block;font:700 .75rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--teal-ink);margin-bottom:10px}
.prose .tldr ul{margin:0}
.table-x{overflow-x:auto}
.prose table{border-collapse:collapse;width:100%;font:500 .93rem/1.45 var(--sans)}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{font-weight:700;background:var(--surface-2)}

.flags{display:grid;grid-template-columns:1fr 1fr;gap:12px;font:500 .95rem/1.45 var(--sans)}
.flags>div{border-radius:var(--r);padding:18px 20px}
.flags .now{background:var(--alarm-bg);box-shadow:inset 4px 0 0 var(--alarm)}
.flags .soon{background:var(--warn-bg);box-shadow:inset 4px 0 0 var(--warn)}
.flags h3{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.flags .now h3{color:var(--alarm)} .flags .soon h3{color:var(--warn)}
.flags ul{margin:0;padding-left:1.1em}
.flags li+li{margin-top:.35em}
.flags-note{font:600 .92rem/1.45 var(--sans);margin-top:10px}
@media (max-width:640px){.flags{grid-template-columns:1fr}}

.book-cta{display:grid;grid-template-columns:96px 1fr;gap:20px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;margin-block:2em!important}
.book-cta img{width:96px;border-radius:2px;box-shadow:0 10px 22px -12px rgba(0,0,0,.6)}
.book-cta .k{font:700 .72rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}
.book-cta h3{font-size:1.1rem;margin-top:8px}
.book-cta p{font-size:.98rem;color:var(--muted);margin-top:8px}
.book-cta .btn{margin-top:14px}
@media (max-width:520px){.book-cta{grid-template-columns:72px 1fr}.book-cta img{width:72px}}

.sources{font:500 .86rem/1.5 var(--sans);color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:2.4em}
.sources h2{font-size:1rem;margin:0 0 10px}
.sources ol{padding-left:1.2em;margin:0}
.sources li+li{margin-top:.4em}
.note{font:500 .88rem/1.5 var(--sans);color:var(--muted);background:var(--surface-2);border-radius:10px;padding:14px 16px}

/* estilos de páginas concretas */
.bs{display:inline-block;font:700 .72rem/1.25 var(--sans);letter-spacing:.06em;text-transform:uppercase;padding:6px 8px;border-radius:6px}
.bs-slow{background:var(--warn-bg);color:var(--warn)}
.bs-ok{background:rgba(29,122,76,.14);color:var(--ok)}
.bs-fast{background:var(--alarm-bg);color:var(--alarm)}
.bscale{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-top:1.4em!important}
.bscale div{text-align:center;font:700 .85rem/1 var(--sans);padding:14px 0;border-radius:6px}
.bscale .s{background:var(--warn-bg);color:var(--warn)} .bscale .o{background:rgba(29,122,76,.14);color:var(--ok)} .bscale .f{background:var(--alarm-bg);color:var(--alarm)}
.bt td:first-child{white-space:nowrap}
@media (max-width:560px){.bt th:nth-child(3),.bt td:nth-child(3){display:none}}
.bscale-lab{display:flex;justify-content:space-between;font:600 .75rem/1.3 var(--sans);color:var(--muted);margin-top:6px!important}