@font-face{font-family:"Inter";src:url("assets/fonts/inter-latin-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("assets/fonts/inter-latin-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("assets/fonts/inter-latin-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow Condensed";src:url("assets/fonts/barlow-condensed-latin-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow Condensed";src:url("assets/fonts/barlow-condensed-latin-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}

/* Paleta y tipografía de la landing actual (d4fitness.com, 31/10/2026) */
:root{--bg:#0a0a0c;--bg2:#121216;--fg:#f4f4f5;--muted:#a3a3ab;--dim:#8a8a92;--red:#e52528;--line:#2a2a31;--max:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:Inter,system-ui,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--red);color:#fff;padding:.6rem 1rem;z-index:10}
.skip:focus{left:1rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
h1,h2,h3{font-family:"Barlow Condensed","Arial Narrow",sans-serif;text-transform:uppercase;letter-spacing:.01em;margin:0}
h2{font-size:clamp(2.2rem,5vw,3.4rem);line-height:.95}
h3{font-size:1.5rem;line-height:1}
.eyebrow{margin:0 0 .6rem;font-size:.7rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--dim)}
.rule{display:block;width:56px;height:2px;margin:1rem 0;background:var(--red)}
.lead{color:var(--muted);font-size:1.02rem;max-width:36rem}
section{padding:4.5rem 0;border-top:1px solid var(--line)}

/* Cabecera */
.top{position:sticky;top:0;z-index:5;background:rgba(10,10,12,.94);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.7rem;padding-bottom:.7rem}
.top img{height:32px;width:auto}
nav ul{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;list-style:none;margin:0;padding:0}
nav a{color:#a3a3ab;text-decoration:none;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;padding:.3rem 0}
nav a:hover{color:#fff}
@media (max-width:719px){nav .opt{display:none}}

/* Hero */
.hero{border-top:0;padding:2.5rem 0 3rem}
.hero .wrap{display:grid;gap:2rem;align-items:center}
.hero h1{font-size:clamp(3rem,8.5vw,5.4rem);line-height:.9;margin-top:.4rem}
.hero h1 em{font-style:normal;color:var(--red)}
.kicker{margin:1rem 0 0;font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--dim)}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;margin-top:1.6rem}
.badge img{height:52px;width:auto}
.offer{margin:.8rem 0 0;font-size:.88rem;color:var(--muted)}
.offer strong{color:var(--fg);font-weight:600}
.hero-shot{justify-self:center;width:min(78%,320px)}
.hero-shot img{border-radius:28px;border:1px solid var(--line)}
.motto{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 2rem;margin-top:2.5rem;padding-top:.8rem;border-top:1px solid #2a1213;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}
@media (min-width:900px){.hero .wrap{grid-template-columns:1.15fr .85fr}.hero-shot{justify-self:end}.motto{grid-column:1/-1}}

/* Método y bloques alternos */
.split{display:grid;gap:2rem;align-items:center}
.split figure{margin:0;justify-self:center;width:min(78%,300px)}
.split figure img{border-radius:28px;border:1px solid var(--line)}
figcaption{margin-top:.7rem;font-size:.85rem;color:var(--muted);text-align:center}
@media (min-width:900px){.split{grid-template-columns:1fr 1fr}.split.rev figure{order:-1}}
.steps{list-style:none;counter-reset:s;padding:0;margin:1.5rem 0 0;display:grid;gap:1rem}
.steps li{counter-increment:s;position:relative;padding-left:3rem}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:-.1rem;font-family:"Barlow Condensed",sans-serif;font-size:1.6rem;font-weight:700;color:var(--red)}
.steps strong{display:block}
.steps span{color:var(--muted);font-size:.95rem}
.ticks{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:.7rem}
.ticks li{padding-left:1.6rem;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.55rem;width:.7rem;height:2px;background:var(--red)}
.link{color:#fff;text-underline-offset:3px;text-decoration-color:var(--red)}
.tour{display:grid;gap:3.5rem;margin-top:2.5rem}

/* Carrusel */
.carousel{position:relative;margin-top:2rem}
.shots{display:grid;grid-auto-flow:column;grid-auto-columns:72%;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:0 1.25rem;padding:.5rem 1.25rem 1rem;margin:0 -1.25rem;list-style:none;scrollbar-color:var(--red) var(--bg2)}
.shots li{scroll-snap-align:center}
.shots figure{margin:0}
.shots img{border-radius:24px;border:1px solid var(--line);width:100%}
.shots:focus-visible{outline-offset:-2px}
.ctrl{display:flex;gap:.6rem;justify-content:flex-end;margin-top:.5rem}
.ctrl button{min-width:48px;min-height:48px;border-radius:50%;border:1px solid var(--line);background:var(--bg2);color:#fff;font-size:1.2rem;cursor:pointer}
.ctrl button:hover{border-color:var(--red)}
.ctrl[hidden]{display:none}
@media (min-width:900px){.shots{grid-auto-columns:250px;margin:0;padding:.5rem 0 1rem;scroll-padding:0}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.shots{scroll-behavior:auto}}

/* Planes */
.plans{display:grid;gap:1rem;margin-top:2rem}
.plan{border:1px solid var(--line);border-radius:8px;padding:1.5rem;background:var(--bg2)}
.plan.pro{border-color:var(--red)}
.price{font-family:"Barlow Condensed",sans-serif;font-size:2.6rem;font-weight:700;line-height:1;margin:.6rem 0 .2rem}
.price small{font-family:Inter,sans-serif;font-size:.9rem;font-weight:500;color:var(--muted)}
.plan ul{margin:1rem 0 0;padding-left:1.1rem;color:var(--muted)}
.note{color:var(--muted);font-size:.85rem;margin-top:1rem}
@media (min-width:720px){.plans{grid-template-columns:1fr 1fr 1fr}}

/* FAQ */
.faq{margin-top:2rem;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:1.1rem 2rem 1.1rem 0;font-weight:600;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.2rem;top:.9rem;color:var(--red);font-size:1.4rem}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 1.1rem;color:var(--muted);max-width:44rem}

/* Cierre y pie */
.close{text-align:center}
.close .badge{display:inline-block;margin-top:1.5rem}
.close h2{font-size:clamp(2.6rem,7vw,4.4rem)}
footer{border-top:1px solid var(--line);padding:1.5rem 0 2.5rem;color:var(--dim);font-size:.82rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:.6rem 1.25rem}
footer a{color:#a3a3ab}
.top img{width:63px}
.gal{margin-top:4rem}
.lead.center{margin:1rem auto 0}
/* Enlace Android (copiado de la home anterior, estilo discreto) */
.apk{display:inline-flex;align-items:center;gap:.45rem;min-height:42px;min-width:140px;padding:.2rem .65rem .2rem .5rem;border-radius:8px;border:1px solid #2a2a30;background:#000;color:#fff;text-decoration:none}
.apk small{display:block;font-size:.55rem;color:#8e8e96}
.apk strong{display:block;font-size:.88rem;font-weight:600}
.apk svg{width:18px;height:18px;flex:none}