/* Flash Kos — energía: blanco, negro, naranja y amarillo; Archivo 900; diagonales y marquesina. */
:root{
  --ink:#111318; --ink-2:#3B4048; --muted:#6C727C; --gray:#F3F4F6; --line:#E5E7EB;
  --orange:#FF5A1F; --orange-2:#FF7A45; --yellow:#FFC93C; --black:#111318; --white:#fff;
  --display:"Archivo",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--body);color:var(--ink);background:#fff;line-height:1.55;font-size:16px;padding-bottom:0}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:900;line-height:1;margin:0 0 .5em;letter-spacing:-.03em;text-transform:uppercase}
h1{font-size:clamp(2.8rem,7.5vw,5.6rem)}
h2{font-size:clamp(2rem,4.5vw,3.4rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{width:min(1180px,100% - 2.5rem);margin-inline:auto}
.eyebrow{font-family:var(--display);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.75rem;color:var(--orange);margin:0 0 .8rem}
.eyebrow--orange{color:var(--yellow)}
.eyebrow--dark{color:var(--black)}
.lead{font-size:1.15rem;color:var(--ink-2);max-width:56ch}
.lead--light{color:rgba(255,255,255,.8)}
.lead--dark{color:var(--black)}
.skip{position:absolute;left:-999px;top:8px;background:var(--black);color:#fff;padding:.5rem 1rem;z-index:100}
.skip:focus{left:8px}

.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--display);font-weight:900;text-transform:uppercase;letter-spacing:.02em;font-size:.9rem;padding:.85rem 1.4rem;border:3px solid var(--black);transition:transform .12s,box-shadow .12s,background .15s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--black)}
.btn--black{background:var(--black);color:#fff}
.btn--orange{background:var(--orange);color:#fff;border-color:var(--black)}
.btn--line{background:#fff;color:var(--black)}
.btn--xl{padding:1.1rem 1.9rem;font-size:1.05rem}
.ico{width:1.2em;height:1.2em}

.brand{display:inline-flex;align-items:center;gap:.35rem;color:var(--black)}
.brand__bolt{width:30px;height:30px;color:var(--orange)}
.brand__name{font-family:var(--display);font-weight:900;font-size:1.35rem;letter-spacing:-.02em}
.brand__name em{font-style:italic;color:var(--orange)}
.brand--light{color:#fff}

.nav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:3px solid var(--black)}
.nav__in{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:1rem}
.nav__links{display:none;gap:1.5rem;font-weight:600;font-size:.92rem}
.nav__links a:hover{color:var(--orange)}
.nav__actions{display:flex;align-items:center;gap:.7rem}
.lang{display:inline-flex;border:2px solid var(--black)}
.lang button{border:0;background:#fff;font-family:var(--display);font-weight:900;font-size:.75rem;padding:.4rem .6rem;cursor:pointer;color:var(--muted)}
.lang button[aria-pressed="true"]{background:var(--yellow);color:var(--black)}
.burger{display:inline-flex;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.burger span{width:24px;height:3px;background:var(--black)}
.mnav{display:none;flex-direction:column;background:var(--yellow);border-top:3px solid var(--black)}
.mnav a{padding:1rem 1.25rem;font-family:var(--display);font-weight:900;text-transform:uppercase;border-bottom:2px solid var(--black)}
.mnav.is-open{display:flex}
@media (min-width:960px){.nav__links{display:flex}.burger,.mnav{display:none!important}}
@media (max-width:520px){.nav__actions .btn{display:none}}

.hero{position:relative;background:var(--gray);overflow:hidden}
.hero__shape{position:absolute;top:-10%;right:-25%;width:70%;height:130%;background:var(--orange);transform:skewX(-14deg);z-index:0}
.hero__shape::after{content:"";position:absolute;left:-40px;top:0;bottom:0;width:26px;background:var(--yellow)}
.hero__in{position:relative;z-index:1;display:grid;gap:2.5rem;padding:4rem 0 4.5rem;align-items:center}
h1 mark{background:linear-gradient(transparent 55%,var(--yellow) 55%);color:inherit;padding:0 .1em}
.hero__cta{display:flex;flex-wrap:wrap;gap:.9rem;margin:1.5rem 0 1.75rem}
.amounts{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.4rem}
.amounts li{font-family:var(--display);font-weight:700;font-size:.85rem;padding:.35rem .6rem;border:2px solid var(--black);background:#fff}
.amounts .is-hot{background:var(--black);color:var(--yellow)}
.excard{background:#fff;border:3px solid var(--black);box-shadow:10px 10px 0 var(--black);padding:1.5rem;transform:rotate(-1.5deg);max-width:440px;justify-self:center}
.excard__head{display:flex;justify-content:space-between;align-items:center;font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:.95rem;border-bottom:3px dashed var(--black);padding-bottom:.8rem;margin-bottom:.8rem}
.excard__badge{background:var(--orange);color:#fff;padding:.15rem .5rem;font-size:.75rem}
.excard dl{margin:0;display:grid;gap:.65rem}
.excard dl>div{display:grid;grid-template-columns:1fr 1.5fr;gap:.6rem;font-size:.92rem;border-bottom:1px solid var(--line);padding-bottom:.6rem}
.excard dt{font-weight:700}
.excard dd{margin:0;color:var(--ink-2)}
.excard__foot{margin:.9rem 0 0;font-size:.82rem;font-weight:600;color:var(--orange)}
@media (min-width:920px){.hero__in{grid-template-columns:1.2fr .8fr;padding:5.5rem 0 6rem}.hero__shape{right:-18%;width:60%}}

.marquee{background:var(--black);color:#fff;overflow:hidden;border-top:3px solid var(--black)}
.marquee__track{display:flex;gap:0;width:max-content;animation:mq 22s linear infinite}
.marquee__track span{font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:1rem;letter-spacing:.06em;padding:.9rem 1.5rem;white-space:nowrap}
.marquee__track span::before{content:"⚡";margin-right:1.2rem;color:var(--yellow)}
@keyframes mq{to{transform:translateX(-50%)}}

.sec{padding:5rem 0}
.sec--gray{background:var(--gray)}
.sec--black{background:var(--black);color:#fff}
.sec--black h2{color:#fff}
.grid-2{display:grid;gap:2rem}
@media (min-width:900px){.grid-2{grid-template-columns:1fr 1.3fr;gap:4rem;align-items:start}}

.steps{list-style:none;padding:0;margin:2.5rem 0 0;display:grid;gap:1.5rem}
.steps li{border-left:6px solid var(--orange);padding:0 0 0 1.25rem}
.steps__n{display:block;font-family:var(--display);font-weight:900;font-size:3.6rem;line-height:.9;color:var(--black);letter-spacing:-.05em;margin-bottom:.6rem}
.steps p{color:var(--ink-2);margin:0}
@media (min-width:860px){.steps{grid-template-columns:repeat(3,1fr);gap:2.5rem}}

.cards{display:grid;gap:1.25rem;margin-top:2.5rem}
.card{background:#fff;border:3px solid var(--black);padding:1.5rem;position:relative}
.card svg{width:40px;height:40px;color:var(--orange);margin-bottom:.8rem}
.card p{color:var(--ink-2);margin:0}
.card:hover{box-shadow:6px 6px 0 var(--yellow)}
@media (min-width:640px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.cards{grid-template-columns:repeat(3,1fr)}}

.isnt{display:grid;gap:1.25rem;margin-top:2rem}
.isnt>div{padding:1.75rem;border:3px solid var(--black)}
.isnt__yes{background:var(--yellow)}
.isnt__no{background:#fff}
.isnt h3{font-size:1.6rem;margin-bottom:.8rem}
.isnt ul{margin:0;padding-left:1.2rem;font-weight:500}
.isnt li{margin:.45rem 0}
.isnt__no li{color:var(--ink-2)}
@media (min-width:800px){.isnt{grid-template-columns:1fr 1fr}}

.checks{list-style:none;padding:0;margin:0;display:grid;gap:1rem}
.checks li{position:relative;padding:1rem 1rem 1rem 3.4rem;border:2px solid rgba(255,255,255,.2);font-weight:500;color:rgba(255,255,255,.9)}
.checks li::before{content:"✓";position:absolute;left:1rem;top:.85rem;width:28px;height:28px;background:var(--orange);color:#fff;font-weight:900;display:grid;place-items:center}

.faq{display:grid;gap:.75rem;margin-top:2rem}
.faq details{background:#fff;border:3px solid var(--black);padding:0 1.25rem}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;font-family:var(--display);font-weight:700;font-size:1.05rem;padding:1rem 0}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--orange);font-weight:900;font-size:1.5rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink-2);margin:0 0 1rem}
@media (min-width:900px){.faq{grid-template-columns:1fr 1fr;align-items:start}}

.cta{background:var(--orange);padding:5rem 0;border-top:3px solid var(--black)}
.cta__in{display:grid;gap:2rem;align-items:center}
.cta h2{color:var(--black)}
.cta__box{background:#fff;border:3px solid var(--black);box-shadow:10px 10px 0 var(--black);padding:1.75rem}
.cta__have{margin:1.25rem 0 .4rem;font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:.85rem}
.cta__box ul{margin:0;padding-left:1.2rem;color:var(--ink-2)}
@media (min-width:900px){.cta__in{grid-template-columns:1.1fr .9fr;gap:4rem}}

.foot{background:var(--black);color:rgba(255,255,255,.75);padding:3rem 0 6rem;font-size:.9rem}
.foot__top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem}
.foot__links{display:flex;flex-wrap:wrap;gap:1.25rem}
.foot__links a:hover{color:var(--yellow)}
.foot__tag{font-family:var(--display);text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;color:var(--yellow)}
.foot__legal{font-size:.78rem;line-height:1.6;color:rgba(255,255,255,.5);max-width:100ch}
.foot__copy{margin:1rem 0 0;color:rgba(255,255,255,.5)}
@media (min-width:900px){.foot{padding-bottom:2rem}}

.sticky{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--black);color:var(--yellow);font-family:var(--display);font-weight:900;text-transform:uppercase;text-align:center;padding:1rem;border-top:3px solid var(--yellow)}
@media (min-width:900px){.sticky{display:none}}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.marquee__track{animation:none}.btn{transition:none}}

/* móvil: la franja naranja pasa a ser una banda detrás de la tarjeta, no del titular */
@media (max-width:919px){
  .hero__shape{top:auto;bottom:-6%;height:52%;width:150%;right:-30%;transform:skewY(-6deg)}
  .hero__shape::after{left:auto;right:-30px;top:-14px;bottom:auto;height:22px;width:100%}
}