:root{--black:#0a0a0a;--ink:#111;--white:#fff;--grey:#f3f3f1;--mute:#6b6b6b;--mute-d:#a9a9a9;--red:#d71920;--red-d:#b3141a;--line:#262626;--r:14px;--wrap:1160px;--head:"Archivo","Arial Black",Impact,system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--white);padding-bottom:72px}
img{max-width:100%;height:auto;display:block}a{color:inherit}
h1,h2,h3,.h3{font-family:var(--head);font-weight:900;line-height:1.05;letter-spacing:-.01em;margin:0 0 .5em;text-transform:uppercase}
h1{font-size:clamp(2.3rem,7vw,4.6rem)}h2{font-size:clamp(1.7rem,4.4vw,2.8rem)}h3,.h3{font-size:1.2rem;letter-spacing:.01em}
p{margin:0 0 1em}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px}
section{padding:72px 0}section.tight{padding:56px 0}
.dark{background:var(--black);color:var(--white)}.light{background:var(--white)}.light:nth-of-type(even){background:var(--grey)}
.kicker{font-weight:700;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin-bottom:14px}
.lead{font-size:1.15rem;max-width:62ch}.dark .lead{color:#e6e6e6}.small{font-size:.92rem}.muted{color:var(--mute)}.dark .muted{color:var(--mute-d)}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 24px;border-radius:999px;font-weight:800;text-decoration:none;font-size:1rem;border:2px solid transparent;transition:background .15s,transform .15s;text-align:center}
.btn:active{transform:scale(.98)}.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-d)}
.btn-black{background:var(--black);color:#fff}.btn-black:hover{background:#333}
.btn-ghost{border-color:#fff;color:#fff}.btn-ghost:hover{background:#fff;color:#000}
.btn-ghost-dark{border-color:#000;color:#000}.btn-ghost-dark:hover{background:#000;color:#fff}
.btn-sm{min-height:42px;padding:8px 18px;font-size:.92rem}.btn-full{width:100%}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 14px}.cta-row.center{justify-content:center}
.dark a:not(.btn){color:#fff}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,10,10,.96);backdrop-filter:saturate(1.4) blur(8px);color:#fff;border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.brand img{width:50px;height:auto}
.brand span{font-family:var(--head);font-weight:900;text-transform:uppercase;line-height:1;font-size:.95rem;letter-spacing:.04em}
.site-nav{display:flex;align-items:center;gap:22px}.site-nav a:not(.btn){text-decoration:none;font-weight:700;font-size:.95rem;color:#ddd}
.site-nav a[aria-current=page]{color:#fff;box-shadow:0 2px 0 var(--red)}.site-nav a:not(.btn):hover{color:#fff}
.menu-btn{display:none;background:none;border:2px solid #fff;color:#fff;border-radius:999px;padding:8px 16px;font-weight:800;font-size:.9rem}
@media (max-width:900px){.menu-btn{display:block}.site-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--black);flex-direction:column;align-items:stretch;padding:12px 20px 22px;gap:0;border-bottom:1px solid var(--line)}
.site-nav.open{display:flex}.site-nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line);font-size:1.05rem}.nav-call{margin-top:14px}}
/* hero */
.hero{padding:64px 0 72px}.hero.sub{padding:56px 0 60px}
.hero-grid{display:grid;gap:36px;align-items:center}
.hero-media img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
@media(min-width:900px){.hero-grid{grid-template-columns:1.1fr .9fr}.hero{padding:96px 0}}
/* grids */
.grid-2,.grid-3{display:grid;gap:22px}@media(min-width:760px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}
.two-col{display:grid;gap:36px;align-items:center}@media(min-width:900px){.two-col{grid-template-columns:1fr 1fr}}
.sec-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.sec-head h2{margin:0}.ace{width:84px;height:84px}
.card{background:#151515;border:1px solid var(--line);border-radius:var(--r);padding:26px}.card p{color:#d5d5d5}
.card-light{background:#fff;border:1px solid #e2e2e2;border-radius:var(--r);padding:26px}
.price .amount{font-family:var(--head);font-weight:900;font-size:2.4rem;line-height:1;margin:.2em 0 .5em}
.price .amount span{display:block;font-family:system-ui,sans-serif;font-size:.95rem;font-weight:600;color:var(--mute);margin-top:6px;text-transform:none}
.dark .price .amount span{color:var(--mute-d)}
/* video */
.vid{margin:0}.vid-btn{position:relative;display:block;width:100%;padding:0;border:0;border-radius:var(--r);overflow:hidden;background:#000;cursor:pointer}
.vid-btn img{width:100%;height:100%;object-fit:cover;opacity:.88;transition:opacity .2s}.vid-btn:hover img{opacity:1}
.vid-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:68px;height:68px;border-radius:50%;background:var(--red);display:grid;place-items:center;box-shadow:0 6px 24px rgba(0,0,0,.4)}
.vid-play svg{width:30px;height:30px;color:#fff;margin-left:4px}
.vid iframe,.vid video{width:100%;height:100%;border:0;border-radius:var(--r);background:#000;display:block}
.vid figcaption{font-size:.95rem;margin-top:10px}.dark .vid figcaption{color:#ddd}
/* steps */
.steps{list-style:none;padding:0;margin:26px 0 30px;display:grid;gap:16px}@media(min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}.steps.compact{grid-template-columns:1fr}}
.steps li{display:flex;gap:16px;align-items:flex-start;padding:22px;border-radius:var(--r);border:1px solid #e2e2e2;background:#fff}
.dark .steps li{background:#151515;border-color:var(--line)}
.steps .num{flex:none;font-family:var(--head);font-weight:900;font-size:1.6rem;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--red)}
.steps .num::after{content:"m";font-size:.8rem;margin-left:1px}.steps h3{margin:.25em 0 .35em}.steps p{margin:0}
.steps.compact li{padding:14px 18px;align-items:center}.steps.compact h3{margin:0;font-size:1rem}.steps.compact .num{width:48px;height:48px;font-size:1.25rem}
.ticks{padding:0;list-style:none}.ticks li{padding-left:30px;position:relative;margin-bottom:10px}.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:14px;height:8px;border-left:3px solid var(--red);border-bottom:3px solid var(--red);transform:rotate(-45deg)}
.gallery{display:grid;gap:14px;margin-top:24px}@media(min-width:760px){.gallery{grid-template-columns:repeat(3,1fr)}}.gallery img{border-radius:var(--r);aspect-ratio:3/2;object-fit:cover}
.lessons{list-style:none;padding:0;display:grid;gap:12px;margin:24px 0 0}@media(min-width:760px){.lessons{grid-template-columns:repeat(3,1fr)}}
.lessons li{display:flex;align-items:center;gap:14px;padding:18px;border:1px solid #e2e2e2;border-radius:var(--r);font-weight:700;background:#fff}
.lessons span{font-family:var(--head);color:var(--red);font-size:1.2rem}
.final .logo-black{width:120px;margin:0 auto 18px}
/* book */
.book-grid{display:grid;gap:30px}@media(min-width:900px){.book-grid{grid-template-columns:.8fr 1.2fr;align-items:start}}
.contact-cards{display:grid;gap:12px}
.contact-card{display:flex;align-items:center;gap:16px;padding:20px;border-radius:var(--r);background:var(--black);color:#fff;text-decoration:none}
.contact-card svg{width:30px;height:30px;color:var(--red);flex:none}.contact-card strong{display:block;font-family:var(--head);text-transform:uppercase;font-size:1.05rem}
.contact-card span{font-size:.98rem;word-break:break-word}.contact-card:hover{background:#222}
.form-card{background:#fff;border:1px solid #e2e2e2;border-radius:var(--r);padding:26px}
.field{margin-bottom:16px}.field label{display:block;font-weight:700;margin-bottom:6px}
.field input,.field textarea{width:100%;font:inherit;padding:14px;border:2px solid #d4d4d4;border-radius:10px;background:#fff}
.field input:focus,.field textarea:focus{outline:none;border-color:#000}.field [aria-invalid=true]{border-color:var(--red)}
.error{color:var(--red);font-size:.9rem;margin:6px 0 0;min-height:0}.error:empty{display:none}
.thanks{padding:20px;border-radius:var(--r);background:#f3f3f1}
/* footer */
.site-footer{background:var(--black);color:#ddd;padding:56px 0 24px;border-top:1px solid var(--line)}
.foot{display:grid;gap:30px}@media(min-width:760px){.foot{grid-template-columns:.7fr 1.3fr 1fr}}
.site-footer img{width:120px}.foot-tag{margin-top:14px;font-weight:700;color:#fff}.foot-h{font-size:1rem;color:#fff}
.site-footer a{color:#fff}.foot-links a{display:block;text-decoration:none;padding:3px 0}
.socials{display:flex;gap:12px;margin-top:14px}.socials a{width:44px;height:44px;border-radius:50%;border:1px solid #444;display:grid;place-items:center}.socials svg{width:20px;height:20px}
.socials a:hover{background:var(--red);border-color:var(--red)}.copy{font-size:.85rem;color:#888;margin-top:30px}
/* mobile pinned bar */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr 1fr;background:#000;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.mbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:64px;color:#fff;text-decoration:none;font-weight:800;font-size:.85rem}
.mbar svg{width:22px;height:22px}.mbar a+a{border-left:1px solid var(--line)}.mbar .mbar-red{background:var(--red)}
@media(min-width:900px){.mbar{display:none}body{padding-bottom:0}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}