:root{--bg:#09111f;--panel:#111d32;--panel2:#172540;--text:#f7f9ff;--muted:#b5c0d6;--brand:#39d8c8;--violet:#8c82ff;--yellow:#ffd166;--danger:#ff7676;--line:#2a3b59;--radius:22px;--shadow:0 24px 70px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}a{color:inherit}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.wrap{width:min(1120px,calc(100% - 36px));margin:auto}.nav{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(9,17,31,.88);backdrop-filter:blur(15px)}.nav-in{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo{width:170px;height:auto}.nav-links{display:flex;align-items:center;gap:24px;color:var(--muted);font-weight:650}.nav-links a{text-decoration:none}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:0;border-radius:14px;background:var(--brand);color:#06111e;text-decoration:none;font-weight:850;cursor:pointer;transition:.2s transform,.2s filter}.button:hover{transform:translateY(-2px);filter:brightness(1.06)}.button.secondary{background:transparent;color:var(--text);border:1px solid var(--line)}.button.violet{background:var(--violet);color:#080d1b}.button.small{min-height:40px;padding:0 16px;font-size:.92rem}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid rgba(57,216,200,.35);border-radius:100px;background:rgba(57,216,200,.09);color:var(--brand);font-size:.82rem;font-weight:850;letter-spacing:.07em;text-transform:uppercase}.hero{padding:86px 0 62px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:64px}.hero h1{margin:20px 0 18px;font-size:clamp(2.75rem,6.2vw,5.3rem);line-height:.98;letter-spacing:-.055em}.hero h1 span{background:linear-gradient(90deg,var(--brand),#8ee8df,var(--violet));-webkit-background-clip:text;color:transparent}.lead{max-width:660px;color:var(--muted);font-size:clamp(1.08rem,2vw,1.3rem)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.micro{margin-top:18px;color:#8fa0bd;font-size:.9rem}.phone{position:relative;max-width:410px;margin:auto;padding:12px;border-radius:42px;background:#050a12;border:1px solid #31425e;box-shadow:var(--shadow);transform:rotate(2deg)}.phone:before{content:"";position:absolute;width:38%;height:25px;top:12px;left:31%;border-radius:0 0 17px 17px;background:#050a12;z-index:2}.screen{min-height:700px;border-radius:31px;padding:50px 24px 26px;background:radial-gradient(circle at 5% 0,#263f68 0,transparent 37%),linear-gradient(#101c30,#0b1423);overflow:hidden}.streak{display:flex;justify-content:space-between;color:var(--muted);font-size:.9rem}.progress{height:8px;border-radius:8px;background:#2b3952;margin:16px 0 28px;overflow:hidden}.progress>span{display:block;width:43%;height:100%;background:linear-gradient(90deg,var(--brand),var(--violet))}.lesson-card{padding:22px;border:1px solid #34476a;border-radius:20px;background:rgba(18,31,53,.92)}.lesson-card .day{color:var(--brand);font-weight:800;font-size:.82rem;text-transform:uppercase}.lesson-card h3{font-size:1.55rem;line-height:1.12;margin:8px 0 12px}.lesson-card p{color:var(--muted)}.prompt-mini{padding:14px 16px;border-radius:13px;background:#202e4a;border-left:3px solid var(--violet);font-size:.9rem}.trust-strip{padding:24px 0;border-block:1px solid rgba(255,255,255,.07);background:#0d1728}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center;color:var(--muted);font-weight:700}.trust-grid b{display:block;color:var(--text);font-size:1.05rem}.section{padding:90px 0}.section.alt{background:#0c1627}.section-head{max-width:760px;margin:0 auto 46px;text-align:center}.section h2{font-size:clamp(2rem,4.4vw,3.6rem);line-height:1.07;letter-spacing:-.04em;margin:14px 0}.section-head p{color:var(--muted);font-size:1.1rem}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:0 14px 40px rgba(0,0,0,.12)}.card .icon{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:rgba(57,216,200,.12);color:var(--brand);font-size:1.35rem;font-weight:900}.card h3{font-size:1.25rem;margin:18px 0 8px}.card p{color:var(--muted);margin:0}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.step{position:relative;padding:28px 24px 28px 76px;border-top:1px solid var(--line)}.step:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:22px;display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--yellow);color:#121827;font-weight:900}.step p{color:var(--muted)}.price{max-width:820px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:18px}.price-card{position:relative;padding:34px;border:1px solid var(--line);border-radius:28px;background:var(--panel)}.price-card.featured{border:2px solid var(--brand);background:linear-gradient(155deg,rgba(57,216,200,.13),var(--panel) 45%)}.badge{position:absolute;right:20px;top:20px;padding:6px 10px;border-radius:100px;background:var(--yellow);color:#171b25;font-size:.75rem;font-weight:900}.amount{font-size:3rem;font-weight:900;letter-spacing:-.05em}.amount small{font-size:.95rem;color:var(--muted);letter-spacing:0}.checklist{padding:0;list-style:none}.checklist li{padding:8px 0;color:var(--muted)}.checklist li:before{content:"✓";color:var(--brand);font-weight:900;margin-right:10px}.faq{max-width:800px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:20px 4px}.faq summary{cursor:pointer;font-weight:800;font-size:1.05rem}.faq p{color:var(--muted)}.final-cta{padding:70px 24px;text-align:center;border:1px solid var(--line);border-radius:32px;background:radial-gradient(circle at 50% 110%,rgba(57,216,200,.27),transparent 50%),var(--panel)}.footer{padding:42px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}.footer-grid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer a{margin-left:18px}
/* Reto */.app-body{background:#080f1b}.app-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:26px 20px;border-right:1px solid var(--line);background:#0d1728}.sidebar .logo{width:155px;margin:5px 8px 30px}.side-progress{padding:18px;border-radius:16px;background:var(--panel)}.side-progress strong{display:block;font-size:1.35rem}.side-progress span{color:var(--muted);font-size:.85rem}.day-list{list-style:none;padding:0;margin:22px 0}.day-list button{width:100%;padding:12px;border:0;border-radius:12px;background:transparent;color:var(--muted);text-align:left;cursor:pointer;font-weight:700}.day-list button:hover,.day-list button.active{background:var(--panel2);color:var(--text)}.day-list button.done:after{content:"✓";float:right;color:var(--brand)}.app-main{padding:40px 5vw 80px}.app-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:38px}.app-top .mobile-brand{display:none}.lesson{max-width:820px;margin:auto}.lesson h1{font-size:clamp(2.1rem,5vw,3.8rem);line-height:1.05;letter-spacing:-.045em;margin:16px 0}.lesson .intro{color:var(--muted);font-size:1.14rem}.lesson-section{margin-top:30px;padding:26px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}.lesson-section h2{font-size:1.25rem;margin:0 0 12px}.example-doc{padding:22px;border-radius:16px;background:#f6f0e4;color:#1d2635}.redact{padding:2px 8px;border-radius:4px;background:#e65361;color:#fff}.prompt-box{position:relative;padding:22px 22px 76px;border:1px solid rgba(140,130,255,.55);border-radius:17px;background:#182542}.prompt-box p{margin:0;font-size:1.05rem}.copy{position:absolute;left:20px;bottom:18px}.safety{border-left:4px solid var(--yellow)}.lesson-actions{display:flex;justify-content:space-between;gap:14px;margin-top:30px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,30px);padding:13px 18px;border-radius:12px;background:var(--text);color:var(--bg);font-weight:800;opacity:0;pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}.locked{filter:saturate(.45);opacity:.7}.premium-wall{margin-top:34px;padding:32px;text-align:center;border:1px solid rgba(57,216,200,.55);border-radius:24px;background:linear-gradient(145deg,rgba(57,216,200,.1),var(--panel))}
@media(max-width:820px){.nav-links a:not(.button){display:none}.hero{padding-top:55px}.hero-grid{grid-template-columns:1fr}.phone{max-width:360px}.screen{min-height:610px}.trust-grid{grid-template-columns:1fr 1fr}.cards,.steps,.price{grid-template-columns:1fr}.section{padding:68px 0}.app-shell{display:block}.sidebar{display:none}.app-main{padding:24px 18px 70px}.app-top{margin-bottom:24px}.app-top .mobile-brand{display:block;width:136px}.app-top .eyebrow{display:none}.lesson-section{padding:20px}.lesson-actions{flex-direction:column-reverse}.lesson-actions .button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

/* Tema claro y amable */
:root{--bg:#fffdf8;--panel:#fff;--panel2:#e9f8f5;--text:#17243b;--muted:#5f6f82;--brand:#0fae9f;--violet:#7568eb;--yellow:#ffc94d;--danger:#e95f68;--line:#dce7e8;--shadow:0 24px 70px rgba(38,73,82,.14)}
body{background:var(--bg);color:var(--text)}
.nav{border-bottom-color:rgba(23,36,59,.08);background:rgba(255,253,248,.92)}
.button{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(15,174,159,.2)}
.button.secondary{background:#fff;color:var(--text);border-color:var(--line);box-shadow:none}
.button.violet{background:var(--violet);color:#fff}
.eyebrow{border-color:rgba(15,174,159,.3);background:#eafaf7;color:#087f75}
.hero{background:radial-gradient(circle at 85% 5%,#e4fbf6 0,transparent 28%),radial-gradient(circle at 4% 80%,#fff1cd 0,transparent 24%)}
.hero h1 span{background:linear-gradient(90deg,var(--brand),#35c9b8,var(--violet));-webkit-background-clip:text;color:transparent}
.micro{color:#718094}
.phone{background:#26354b;border-color:#bccbd0;box-shadow:var(--shadow)}
.phone:before{background:#26354b}
.screen{background:radial-gradient(circle at 5% 0,#d8f6f0 0,transparent 37%),linear-gradient(#fff,#f5faf9)}
.progress{background:#dfe9eb}
.lesson-card{border-color:var(--line);background:rgba(255,255,255,.96);box-shadow:0 12px 30px rgba(32,70,78,.1)}
.prompt-mini{background:#f1efff}
.trust-strip{border-color:var(--line);background:#f0faf7}
.section.alt{background:#f4faf8}
.card,.price-card{background:#fff;box-shadow:0 14px 40px rgba(45,82,89,.08)}
.card .icon{background:#e7f9f5;color:var(--brand)}
.price-card.featured{background:linear-gradient(155deg,#e9fbf7,#fff 48%)}
.final-cta{border-color:#cfe9e4;background:radial-gradient(circle at 50% 110%,#c9f5ec,transparent 55%),#fff}
.footer{background:#f8fbfa}
.app-body{background:#f7fbfa}
.sidebar{background:#eff9f6}
.side-progress{border:1px solid var(--line);background:#fff}
.day-list button:hover,.day-list button.active{background:#dff5f0;color:var(--text)}
.lesson-section{background:#fff;box-shadow:0 10px 30px rgba(45,82,89,.06)}
.example-doc{background:#fff8e9}
.prompt-box{border-color:#bcb6f7;background:#f2f0ff}
.safety{background:#fffdf4}
.toast{background:var(--text);color:#fff}
.premium-wall{border-color:#9ddfd6;background:linear-gradient(145deg,#e9fbf7,#fff)}