/* V1188.42 · Sistema visual público de APPClientes. Capa aislada: no modifica la aplicación privada. */
:root{--v-navy:#071a36;--v-navy-2:#0d2d52;--v-blue:#1d67d5;--v-yellow:#ffd24a;--v-green:#0d9c69;--v-ink:#12263d;--v-muted:#62758a;--v-line:#dbe5ee;--v-soft:#f3f6f9;--v-white:#fff;--v-shadow:0 28px 80px rgba(5,28,55,.14);--v-radius:22px;--v-max:1220px;--v-ease:cubic-bezier(.2,.75,.2,1)}
.page-home,.page-demos,.page-tutores,.page-legal{overflow-x:clip;background:var(--v-soft);color:var(--v-ink)}
.page-home :focus-visible,.page-demos :focus-visible,.page-tutores :focus-visible,.page-legal :focus-visible{outline:3px solid rgba(255,210,74,.85);outline-offset:3px}
.site-header{position:sticky;top:0;z-index:100;height:74px;border-bottom:1px solid rgba(255,255,255,.1);background:rgba(5,18,36,.94);backdrop-filter:blur(18px);transition:.2s}
.site-header.is-scrolled{box-shadow:0 14px 42px rgba(0,0,0,.24)}
.site-header__inner{width:min(calc(100% - 40px),var(--v-max));height:74px;max-width:none;margin:auto;padding:0;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;min-width:max-content}.brand img{width:38px;height:46px}.brand span{display:grid;line-height:1}.brand strong{font-size:1.22rem}.brand small{margin-top:5px;color:#b5c5d6;font-size:.62rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}
.main-nav{display:flex;justify-content:center;gap:23px;flex:1}.main-nav a{padding:26px 0;color:#d7e2ee;font-size:.8rem;font-weight:800}.main-nav a:hover,.main-nav a[aria-current="page"]{color:#fff}
.header-actions{display:flex;align-items:center;gap:9px}.header-login{color:#dce8f5;font-size:.75rem;font-weight:800}.nav-toggle{display:none;border:0;background:transparent}.nav-toggle span{display:block;width:24px;height:2px;margin:5px;background:#fff}.button--header{min-height:39px;padding:0 14px}.button--whatsapp{border-color:#9ee0c5;background:#eaf9f2;color:#086947}
.page-home .hero{position:relative;overflow:hidden;padding:92px 0 76px;background:radial-gradient(circle at 82% 18%,rgba(35,120,225,.35),transparent 32%),linear-gradient(135deg,#06172f,#0b315c 72%,#164b7b);color:#fff}
.page-home .hero__inner{width:min(calc(100% - 40px),var(--v-max));min-height:560px;margin:auto;padding:0;display:grid;grid-template-columns:minmax(0,.9fr) minmax(500px,1.1fr);align-items:center;gap:52px}
.page-home .hero h1{max-width:720px;margin:18px 0 22px;font-size:clamp(3rem,5.1vw,5.1rem);line-height:.96;letter-spacing:-.055em}.page-home .hero h1 em,.subpage-hero h1 em{font-style:normal;color:var(--v-yellow)}
.page-home .hero__copy>p{max-width:670px;margin:0;color:#d3dfeb;font-size:1.04rem;line-height:1.72}.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.hero__trust{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;margin-top:24px}.hero__trust span{color:#bcd0e3;font-size:.71rem}.hero__trust span:before{content:'✓';margin-right:7px;color:var(--v-yellow);font-weight:900}
.home-product{overflow:hidden;border:1px solid rgba(255,255,255,.2);border-radius:19px;background:#fff;box-shadow:0 35px 90px rgba(0,0,0,.34)}.home-product__bar{display:flex;align-items:center;gap:7px;height:38px;padding:0 14px;background:#edf2f7;color:#52667b;font-size:.64rem}.home-product__bar span{width:8px;height:8px;border-radius:50%;background:#aebdcb}.home-product__bar span:first-child{background:#ef6d69}.home-product__bar span:nth-child(2){background:#edbd4e}.home-product__bar span:nth-child(3){background:#55b878}.home-product__bar b{margin-left:7px}
.home-product__body{display:grid;grid-template-columns:106px minmax(0,1fr) 185px;min-height:360px;color:var(--v-ink)}.home-product__body>aside:first-child{display:grid;align-content:start;gap:7px;padding:18px 11px;background:#0c2b4e;color:#a9bfd4}.home-product__body>aside:first-child strong{margin-bottom:10px;color:#fff}.home-product__body>aside:first-child span{padding:7px 8px;border-radius:7px;font-size:.59rem}.home-product__body>aside:first-child .is-active{background:var(--v-blue);color:#fff}.home-product__body>section{padding:24px}.home-product__body>section small{color:#73879b;font-size:.62rem}.home-product__body>section h2{margin:8px 0 18px;color:var(--v-navy-2);font-size:1rem;line-height:1.45}.home-answer{display:flex;align-items:center;gap:9px;margin-top:8px;padding:10px;border:1px solid var(--v-line);border-radius:10px}.home-answer span{display:grid;place-items:center;width:25px;height:25px;border-radius:7px;background:#e9eff6;color:#42627e;font-size:.66rem;font-weight:900}.home-answer p{margin:0;color:#536b82;font-size:.68rem}.home-answer.is-correct{border-color:#75b49d;background:#edf8f3}.home-answer.is-correct span{background:#16835f;color:#fff}.home-feedback{margin-top:15px;padding:13px;border-radius:11px;background:#eef4fb}.home-feedback b{color:var(--v-blue);font-size:.66rem}.home-feedback p{margin:5px 0 0;color:#4d667e;font-size:.65rem;line-height:1.55}.home-product__tutor{padding:17px 13px;background:#f5f8fb;border-left:1px solid var(--v-line)}.home-product__tutor img{width:52px;height:52px;border-radius:12px;object-fit:cover;object-position:center 15%}.home-product__tutor>div{display:grid;margin-top:8px}.home-product__tutor small{color:#5e7b96;font-size:.55rem;text-transform:uppercase}.home-product__tutor strong{color:var(--v-navy-2);font-size:.72rem}.home-product__tutor p{margin:18px 0 12px;padding:10px;border-radius:10px;background:#fff;color:#526a80;font-size:.64rem;line-height:1.55}.home-product__tutor>span{color:var(--v-blue);font-size:.6rem;font-weight:850}
.visual-ticker{overflow:hidden;background:#061426;color:#fff;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}.visual-ticker__track{display:flex;width:max-content;animation:ticker 34s linear infinite}.visual-ticker__group{display:flex;align-items:center;gap:28px;padding:14px 28px;font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.visual-ticker i{color:var(--v-yellow);font-style:normal}
.home-proof{display:grid;grid-template-columns:repeat(4,1fr);width:min(calc(100% - 40px),1120px);margin:-28px auto 0;position:relative;z-index:3;border:1px solid var(--v-line);border-radius:19px;background:#fff;box-shadow:var(--v-shadow)}.home-proof article{display:flex;align-items:center;gap:14px;min-height:118px;padding:20px;border-right:1px solid var(--v-line)}.home-proof article:last-child{border-right:0}.proof-icon{display:grid;place-items:center;flex:0 0 38px;width:38px;height:38px;border-radius:12px;background:#edf4fc;color:var(--v-blue);font-weight:950}.home-proof article>div{display:grid}.home-proof small{color:#75889a;font-size:.58rem;font-weight:850;text-transform:uppercase}.home-proof strong{color:var(--v-navy-2);font-size:1.2rem}.home-proof p{margin:2px 0 0;color:var(--v-muted);font-size:.64rem;line-height:1.4}
.page-home .section{max-width:var(--v-max);padding:88px 24px}.page-home .section-heading h2{color:var(--v-navy-2);font-size:clamp(2rem,3.5vw,3.2rem);letter-spacing:-.04em}.page-home .section-heading p{color:var(--v-muted);font-size:.92rem}.home-platform{padding-top:110px!important}.home-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.home-steps article{padding:24px;border:1px solid var(--v-line);border-radius:17px;background:#fff}.home-steps b{color:#8ba0b5;font-size:.7rem}.home-steps h3{margin:18px 0 7px;color:var(--v-navy-2);font-size:1.05rem}.home-steps p{margin:0;color:var(--v-muted);font-size:.72rem;line-height:1.55}
.home-modules{max-width:none!important;background:#fff}.home-modules>.section-heading,.home-modules>.home-module-grid,.home-modules>.section-cta{max-width:var(--v-max);margin-left:auto;margin-right:auto}.home-module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.home-module-grid>a{display:grid;grid-template-rows:78px auto;position:relative;min-height:215px;padding:20px;border:1px solid var(--v-line);border-radius:18px;background:#fff;transition:.22s var(--v-ease)}.home-module-grid>a:hover{transform:translateY(-5px);border-color:#aac3de;box-shadow:0 18px 42px rgba(11,43,79,.11)}.home-module-grid img{width:70px;height:70px;object-fit:contain}.home-module-grid a>span{display:grid;align-content:end;gap:4px}.home-module-grid strong{color:var(--v-navy-2);font-size:1rem}.home-module-grid small{color:var(--v-muted);font-size:.68rem}.home-module-grid a>b{position:absolute;right:17px;top:16px;color:#8ba2ba}.section-cta{display:flex;justify-content:center;margin-top:29px}
.home-featured-topics{max-width:none!important;background:var(--v-soft,#f6f9fd)}.home-featured-topics>.section-heading,.home-featured-topics>.home-featured-topics__grid{max-width:var(--v-max);margin-left:auto;margin-right:auto}.home-featured-topics__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.home-featured-topics__grid>a{display:grid;gap:.3rem;padding:16px 40px 16px 18px;border:1px solid var(--v-line);border-left:3px solid var(--v-blue,#1c5fd4);border-radius:0 16px 16px 0;background:#fff;position:relative;transition:.22s var(--v-ease)}.home-featured-topics__grid>a:hover{transform:translateY(-3px);border-color:#aac3de;box-shadow:0 16px 36px rgba(11,43,79,.1)}.home-featured-topics__grid>a:after{content:'→';position:absolute;right:16px;top:50%;transform:translateY(-50%);color:#9db3cc}.home-featured-topics__grid small{color:var(--v-muted);font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.home-featured-topics__grid strong{color:var(--v-navy-2);font-size:.95rem;line-height:1.35}
@media(max-width:780px){.home-featured-topics__grid{grid-template-columns:1fr}}
.home-tutors{max-width:none!important;background:#eaf0f5}.home-tutors>.section-heading,.home-tutors>.home-tutor-grid,.home-tutors>.section-cta{max-width:var(--v-max);margin-left:auto;margin-right:auto}.home-tutor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.home-tutor-grid>a{overflow:hidden;display:grid;grid-template-rows:220px auto;border:1px solid var(--v-line);border-radius:19px;background:#fff;box-shadow:0 12px 32px rgba(10,39,70,.07);transition:.22s var(--v-ease)}.home-tutor-grid>a:hover{transform:translateY(-5px);box-shadow:0 22px 50px rgba(10,39,70,.13)}.home-tutor-grid img{width:100%;height:220px;object-fit:cover;object-position:center 15%}.home-tutor-grid a>div{display:grid;gap:3px;padding:17px}.home-tutor-grid span{color:var(--v-blue);font-size:.56rem;font-weight:900;text-transform:uppercase}.home-tutor-grid strong{color:var(--v-navy-2);font-size:.95rem}.home-tutor-grid small{color:var(--v-muted);font-size:.65rem}.home-tutor-grid b{margin-top:11px;color:var(--v-blue);font-size:.65rem}
.home-pricing{max-width:none!important;background:#fff}.home-pricing>.section-heading,.home-pricing>.pricing-grid{max-width:1050px;margin-left:auto;margin-right:auto}.home-pricing .pricing-grid{gap:15px}.home-pricing .price-card{padding:26px;border:1px solid var(--v-line);border-radius:19px;box-shadow:none}.home-pricing .price-card.is-featured{border-color:#7ca7d2;box-shadow:0 18px 46px rgba(12,54,96,.12)}.home-faq{max-width:none!important;background:var(--v-soft)}.home-faq>.section-heading,.home-faq>.faq-list{max-width:900px;margin-left:auto;margin-right:auto}.home-faq .faq-list details{border:1px solid var(--v-line);border-radius:14px;background:#fff}
.final-cta{width:min(calc(100% - 40px),var(--v-max));margin:20px auto 76px;padding:44px;border-radius:23px;background:linear-gradient(135deg,#06172f,#123f6d);color:#fff}.final-contact{display:grid;grid-template-columns:.75fr 1.25fr;gap:36px;align-items:center}.final-cta h2{margin:8px 0;color:#fff;font-size:clamp(1.8rem,3vw,2.8rem)}.final-cta p{color:#c8d7e5}.contact-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact-card{display:grid;grid-template-columns:42px 1fr;gap:12px;padding:17px;border:1px solid rgba(255,255,255,.18);border-radius:16px;background:rgba(255,255,255,.08);color:#fff}.contact-card__icon{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:rgba(255,255,255,.12)}.contact-card__copy{display:grid}.contact-card small{color:#b9cce0;font-size:.57rem}.contact-card strong{font-size:1rem}.contact-card em{color:#d4e0ec;font-size:.63rem;font-style:normal}.contact-card>b{grid-column:2;color:var(--v-yellow);font-size:.62rem}
.public-subpage{min-height:70vh}.subpage-hero{display:flex;justify-content:space-between;align-items:end;gap:40px;padding:76px max(24px,calc((100% - var(--v-max))/2));background:radial-gradient(circle at 80% 5%,rgba(40,132,239,.38),transparent 32%),linear-gradient(135deg,#06172f,#0b315c);color:#fff}.subpage-hero>div{max-width:780px}.subpage-hero h1{margin:16px 0 16px;font-size:clamp(2.7rem,5vw,4.8rem);line-height:.98;letter-spacing:-.05em}.subpage-hero p{max-width:700px;margin:0;color:#cad9e7;font-size:1rem;line-height:1.7}
.demo-page{max-width:var(--v-max);margin:auto}.demo-page__tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:30px}.demo-page__tabs button{display:flex;align-items:center;gap:11px;min-height:70px;padding:10px 14px;border:1px solid var(--v-line);border-radius:15px;background:#fff;color:var(--v-ink);font-weight:850}.demo-page__tabs button[aria-selected="true"]{border-color:#7da9dc;background:#edf5ff;box-shadow:0 10px 28px rgba(18,83,150,.1)}.demo-page__tabs img{width:48px;height:48px;object-fit:contain}.demo-page__intro{display:flex;align-items:center;gap:18px;margin-bottom:20px}.demo-page__intro>img{width:72px;height:72px;object-fit:contain}.demo-page__intro h2{margin:7px 0 4px;color:var(--v-navy-2);font-size:2rem}.demo-page__intro p{margin:0;color:var(--v-muted)}.demo-page__workspace{display:grid;grid-template-columns:.9fr 1.1fr;min-height:470px;overflow:hidden;border:1px solid var(--v-line);border-radius:22px;background:#fff;box-shadow:var(--v-shadow)}.demo-page__question{padding:28px;border-right:1px solid var(--v-line);background:#f7f9fb}.demo-page__question header{display:flex;justify-content:space-between;gap:15px}.demo-page__question header>div{display:grid;color:var(--v-muted);font-size:.67rem}.demo-page__question header span{color:var(--v-blue);font-weight:900}.demo-page__question nav{display:flex;gap:5px}.demo-page__question nav button{width:30px;height:30px;border:1px solid var(--v-line);border-radius:8px;background:#fff;font-size:.68rem;font-weight:850}.demo-page__question nav button.is-active{background:var(--v-blue);color:#fff}.demo-page__question h3{margin:25px 0;font-size:1.3rem;line-height:1.48}.module-inline-options{display:grid;gap:10px}.module-inline-options button{display:flex;align-items:flex-start;gap:12px;padding:13px;border:1px solid #d3dee9;border-radius:13px;background:#fff;color:#263c54;text-align:left}.module-inline-options button b{display:grid;place-items:center;flex:0 0 28px;width:28px;height:28px;border-radius:8px;background:#edf2f7}.module-inline-options button.is-correct{border-color:#72c39d;background:#effaf5}.module-inline-options button.is-wrong{border-color:#e09d9d;background:#fff3f3}.module-inline-result{padding:28px;background:#fff}.module-inline-result.is-empty{display:grid;place-items:center;color:var(--v-muted)}.module-inline-result__head{display:flex;justify-content:space-between;gap:15px;padding:13px;border-radius:13px;background:#edf9f3;color:#08714a}.module-inline-result__head span{font-weight:900}.module-inline-result__head small{color:#4d7163}.module-inline-detail{margin-top:20px}.module-inline-detail h4{margin-bottom:7px;color:var(--v-navy-2)}.module-inline-detail p{color:#52677c;line-height:1.65}.exam-tip{padding:12px;border:1px solid #ecd686;border-radius:11px;background:#fff8df;color:#6e570d}.demo-page__english-cta{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:25px;padding:25px;border-radius:18px;background:linear-gradient(135deg,#071a36,#123e69);color:#fff}.demo-page__english-cta h3{margin:5px 0}.demo-page__english-cta p{margin:0;color:#cbd9e6}.english-ai-section{max-width:var(--v-max);margin:auto}.open-answer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.open-answer-card{padding:24px;border:1px solid var(--v-line);border-radius:20px;background:#fff}.open-answer-card>header{display:flex;gap:12px}.open-answer-number{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#eaf3ff;color:var(--v-blue);font-weight:900}.english-ai-demo{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}.english-ai-reading,.english-ai-answer{padding:16px;border:1px solid var(--v-line);border-radius:15px;background:#f8fafc}.english-ai-reading header{display:flex;justify-content:space-between}.english-ai-reading__body p{font-size:.78rem;line-height:1.6}.english-ai-answer label{display:grid}.english-ai-answer textarea{width:100%;margin:10px 0;padding:12px;border:1px solid var(--v-line);border-radius:11px;resize:vertical}.english-ai-review{margin-top:13px;padding:14px;border-radius:12px;background:#edf9f3;font-size:.75rem}.definition-prompt,.open-answer-card blockquote{padding:14px;border-radius:12px;background:#f5f8fb}.definition-feedback li{margin:7px 0;color:var(--v-muted)}
.tutors-page{display:grid;grid-template-columns:260px 1fr;gap:20px;max-width:var(--v-max);margin:auto}.tutors-page__selector{display:grid;align-content:start;gap:9px}.tutors-page__selector button{display:flex;align-items:center;gap:12px;padding:11px;border:1px solid var(--v-line);border-radius:15px;background:#fff;text-align:left}.tutors-page__selector button[aria-selected="true"]{border-color:#78a7dc;background:#edf5ff}.tutors-page__selector img{width:58px;height:58px;border-radius:13px;object-fit:cover;object-position:center 15%}.tutors-page__selector span{display:grid}.tutors-page__selector small{color:var(--v-muted);font-size:.58rem}.tutors-page__selector strong{color:var(--v-navy-2)}.tutors-page__workspace{padding:26px;border:1px solid var(--v-line);border-radius:22px;background:#fff;box-shadow:var(--v-shadow)}.tutor-disclosure{margin:0 0 18px;padding:10px 12px;border-radius:10px;background:#f5f8fb;color:var(--v-muted);font-size:.67rem}.tutors-page__profile{display:flex;gap:22px;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--v-line)}.tutors-page__profile>img{width:150px;height:150px;border-radius:22px;object-fit:cover;object-position:center 15%}.tutors-page__profile span{color:var(--v-blue);font-size:.65rem;font-weight:900}.tutors-page__profile h2{margin:5px 0;color:var(--v-navy-2);font-size:2rem}.tutors-page__profile p{color:var(--v-muted)}.tutors-page__tags{display:flex;flex-wrap:wrap;gap:6px}.tutors-page__tags span{padding:6px 9px;border-radius:999px;background:#edf4fb;font-size:.58rem}.tutors-page__examples{margin-top:26px}.tutors-page__examples-head{display:flex;justify-content:space-between;gap:20px}.tutors-page__examples-head h3{margin:5px 0}.tutors-page__examples>nav{display:flex;flex-wrap:wrap;gap:8px;margin:17px 0}.tutors-page__examples>nav button{padding:9px 12px;border:1px solid var(--v-line);border-radius:10px;background:#fff;font-weight:800}.tutors-page__examples>nav button.is-active{background:var(--v-blue);color:#fff}.tutors-page__conversation{display:grid;grid-template-columns:.8fr 1.2fr;gap:12px}.tutors-page__question,.tutors-page__answer{padding:17px;border-radius:15px}.tutors-page__question{background:#eaf3ff}.tutors-page__answer{border:1px solid var(--v-line);background:#f8fafc}.tutors-page__conversation small{color:var(--v-muted);font-size:.58rem;text-transform:uppercase}.tutors-page__conversation p{margin:7px 0;line-height:1.6}.tutors-page__answer ul{margin:10px 0 0;padding-left:18px}.tutor-english-panel{display:flex;align-items:center;gap:18px;margin-top:20px;padding:20px;border-radius:17px;background:#081c37;color:#fff}.tutor-english-panel__icon{display:grid;place-items:center;flex:0 0 54px;width:54px;height:54px;border-radius:15px;background:#663fd0;font-weight:950}.tutor-english-panel h3{margin:4px 0}.tutor-english-panel p{margin:0;color:#cbd8e5;font-size:.75rem}.tutor-english-panel .button{margin-left:auto}.tutors-page__method{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:min(calc(100% - 40px),var(--v-max));margin:0 auto 60px}.tutors-page__method article{display:flex;align-items:center;gap:13px;padding:19px;border:1px solid var(--v-line);border-radius:16px;background:#fff}.tutors-page__method b{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#eaf3ff;color:var(--v-blue)}.tutors-page__method span{color:var(--v-muted);font-size:.72rem}.final-cta--compact{display:flex;justify-content:space-between;align-items:center}
.legal-page{width:min(calc(100% - 40px),900px);margin:55px auto 80px;padding:34px;border:1px solid var(--v-line);border-radius:22px;background:#fff;box-shadow:var(--v-shadow)}.legal-page h1{margin:14px 0;color:var(--v-navy-2);font-size:clamp(2.4rem,5vw,4rem)}.legal-page h2{margin-top:30px;color:var(--v-navy-2)}.legal-page p,.legal-page li{color:#4f657b;line-height:1.72}.legal-page a:not(.button){color:var(--v-blue);text-decoration:underline}
.purchase-dialog{width:min(620px,calc(100% - 28px));padding:0;border:0;border-radius:22px;box-shadow:0 36px 100px rgba(0,0,0,.35)}.purchase-dialog::backdrop{background:rgba(2,12,25,.72);backdrop-filter:blur(4px)}.purchase-dialog form{position:relative;padding:30px}.dialog-close{position:absolute;right:15px;top:13px;width:36px;height:36px;border:0;border-radius:50%;background:#edf2f7;font-size:1.3rem}.purchase-dialog h2{margin:12px 0 8px;color:var(--v-navy-2)}.purchase-modules{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0}.purchase-module{display:flex;gap:9px;padding:11px;border:1px solid var(--v-line);border-radius:11px}.ai-addon-choice{display:flex;gap:10px;padding:13px;border-radius:12px;background:#f1f6fc}.ai-addon-choice span{display:grid}.ai-addon-choice small{color:var(--v-muted)}.purchase-error{min-height:20px;color:#a6383c}.purchase-total{display:flex;justify-content:space-between;align-items:center;margin:15px 0;font-size:1.1rem}.purchase-total strong{font-size:1.5rem;color:var(--v-navy-2)}
.reveal-ready{opacity:0;transform:translateY(18px);transition:opacity .6s var(--v-ease),transform .6s var(--v-ease)}.reveal-ready.is-revealed{opacity:1;transform:none}
@keyframes ticker{to{transform:translateX(-50%)}}
@media(max-width:1060px){.page-home .hero__inner{grid-template-columns:1fr}.home-product{max-width:760px}.home-proof{grid-template-columns:1fr 1fr}.home-proof article:nth-child(2){border-right:0}.home-proof article:nth-child(-n+2){border-bottom:1px solid var(--v-line)}.home-module-grid,.home-tutor-grid{grid-template-columns:1fr 1fr}.final-contact{grid-template-columns:1fr}.demo-page__workspace{grid-template-columns:1fr}.demo-page__question{border-right:0;border-bottom:1px solid var(--v-line)}.open-answer-grid{grid-template-columns:1fr}.tutors-page{grid-template-columns:1fr}.tutors-page__selector{grid-template-columns:1fr 1fr}.tutor-english-panel{align-items:flex-start;flex-wrap:wrap}.tutor-english-panel .button{margin-left:0}}
@media(max-width:780px){.site-header__inner{width:calc(100% - 28px)}.nav-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:74px;left:0;right:0;padding:14px;background:#071a36;box-shadow:0 20px 40px rgba(0,0,0,.25)}.main-nav.is-open{display:grid}.main-nav a{padding:11px}.header-actions{display:none}.page-home .hero{padding:62px 0}.page-home .hero__inner{width:calc(100% - 30px);min-height:auto}.page-home .hero h1{font-size:3rem}.home-product{display:none}.hero__trust{grid-template-columns:1fr}.home-proof{grid-template-columns:1fr;margin-top:0;width:100%;border-radius:0}.home-proof article{border-right:0;border-bottom:1px solid var(--v-line)!important}.home-steps,.home-module-grid,.home-tutor-grid{grid-template-columns:1fr}.page-home .section{padding:62px 18px}.home-tutor-grid>a{grid-template-columns:120px 1fr;grid-template-rows:auto}.home-tutor-grid img{height:150px}.final-cta{width:calc(100% - 28px);padding:28px}.contact-card-grid{grid-template-columns:1fr}.subpage-hero{display:grid;padding:55px 20px}.subpage-hero h1{font-size:3rem}.demo-page{padding:50px 16px}.demo-page__tabs{grid-template-columns:1fr 1fr}.demo-page__intro{align-items:flex-start}.demo-page__workspace{border-radius:17px}.english-ai-demo{grid-template-columns:1fr}.tutors-page{padding:50px 16px}.tutors-page__selector{grid-template-columns:1fr}.tutors-page__profile{align-items:flex-start}.tutors-page__profile>img{width:100px;height:100px}.tutors-page__conversation{grid-template-columns:1fr}.tutors-page__method{grid-template-columns:1fr}.final-cta--compact{display:grid}.legal-page{width:calc(100% - 28px);padding:23px}.site-footer__inner{width:calc(100% - 28px);grid-template-columns:1fr}.purchase-modules{grid-template-columns:1fr}}
@media(max-width:480px){.page-home .hero h1,.subpage-hero h1{font-size:2.55rem}.demo-page__tabs{grid-template-columns:1fr}.demo-page__question,.module-inline-result{padding:20px}.tutors-page__profile{display:grid}.home-tutor-grid>a{grid-template-columns:100px 1fr}.home-tutor-grid img{height:135px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.visual-ticker__track{animation:none}.reveal-ready{opacity:1;transform:none;transition:none}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Paridad 2026-08-17 · bloque H2D IA compartido */
.home-ai{display:flex;justify-content:space-between;align-items:center;gap:42px;width:min(1120px,calc(100% - 40px));margin:54px auto;padding:30px 34px;border-radius:20px;background:linear-gradient(135deg,var(--hn,#071a36),#123e6a);color:#fff}.home-ai>div{max-width:720px}.home-ai h2{margin:7px 0 9px;font-size:clamp(1.65rem,3vw,2.45rem);letter-spacing:-.04em}.home-ai p{margin:0;color:#c5d4e3;font-size:.83rem;line-height:1.65}@media(max-width:760px){.home-ai{display:grid;padding:24px}}