/* Landing only: 60% clear composition, 40% Aurora accents. No account/Praxis overrides. */
.premium-landing { --lp-space: clamp(72px, 9vw, 128px); --lp-ease: cubic-bezier(.22,1,.36,1); }
.premium-landing .lp-symbols { position: absolute; pointer-events: none; }
.premium-landing .lp-icon { width: 24px; height: 24px; flex: 0 0 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.premium-landing main, .premium-landing footer, .premium-landing .nav-shell { width: min(1240px, calc(100% - 64px)); }
.premium-landing main { padding-block: 0; }
.premium-landing main:focus { outline: none; }
.premium-landing :is(section, [id]) { scroll-margin-top: 110px; }
.premium-landing .nav-shell { min-height: 86px; }
.premium-landing .hero-brand-row, .aurora.landing-page.premium-landing .hero-brand-row { margin: 0; }
/* Logo grande (titular, 25 sept.): la cabecera de la portada crece con él y el menú del teléfono se abre justo debajo. */
.aurora.landing-page.premium-landing { --mui-header: 144px; }
.aurora.landing-page.premium-landing .nav-shell { padding-block: 8px; }
@media (max-width: 540px) { .aurora.landing-page.premium-landing { --mui-header: 104px; } .aurora.landing-page.premium-landing .nav-shell { padding-block: 6px; } }
/* iPhone SE y teléfonos de 380 px o menos (auditoría en aparatos, 26 sept.): logo, idioma, «Entrar» y menú caben sin salirse. */
@media (max-width: 380px) { .aurora.landing-page.premium-landing .nav-shell { width: calc(100% - 24px); gap: 4px; } }
/* Pantallas de 340 px o menos (Android pequeños): solo aquí el logo baja a 68 px y el selector de idioma se compacta. */
@media (max-width: 340px) { .aurora.landing-page.premium-landing { --mui-header: 80px; } .aurora.landing-page.premium-landing .brand img { height: 68px; } html body.aurora.landing-page.premium-landing .lang-switch a { padding-inline: 4px; min-width: 36px; } .aurora.landing-page.premium-landing .nav-enter { padding-inline: 12px; } .aurora.landing-page.premium-landing .nav-shell { width: calc(100% - 16px); } }
.premium-landing .brand img { width: auto; height: 128px; object-fit: contain; border-radius: 0; box-shadow: none; }
.premium-landing nav { gap: 2px; }
.premium-landing nav a { font-size: .9375rem; padding-inline: 15px; }
.premium-landing .nav-account { background: #1d1d23; padding-inline: 24px; }
.premium-landing :is(a,button,summary):focus-visible { outline: 3px solid #4b2fc7; outline-offset: 5px; }
.premium-landing .lp-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; padding-block: clamp(56px, 7vw, 108px) 76px; }
.premium-landing .lp-eyebrow { display: inline-flex; gap: 10px; align-items: center; font-size: .875rem; font-weight: 500; color: #4b2fc7; letter-spacing: .08em; }
.premium-landing .lp-hero .lp-eyebrow { text-transform: none; letter-spacing: .025em; }
.premium-landing .lp-live-dot { width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: #19866b; box-shadow: 0 0 0 5px #31c7a11a; }
.premium-landing .lp-hero h1 { font-size: clamp(3rem, 4.9vw, 4.65rem); font-weight: 500; line-height: 1.04; letter-spacing: -.065em; margin: 24px 0; max-width: 10em; text-wrap: balance; overflow-wrap: normal; }
.premium-landing .lp-gradient { display: block; padding-bottom: .1em; background: linear-gradient(105deg,#6d4aff 5%,#4b2fc7 36%,#0a84ff 78%,#19866b); background-size: 180% 100%; background-clip: text; -webkit-background-clip: text; color: transparent; }
.premium-landing .lp-hero .lp-lead { max-width: 490px; margin: 0; font-size: 1.1875rem; line-height: 1.6; color: var(--aurora-muted); }
.premium-landing .lp-lead strong { color: var(--aurora-ink); }
.premium-landing .lp-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 28px; }
.premium-landing .primary-button { min-height: 54px; padding: 14px 24px; gap: 12px; font-size: 1rem; line-height: 1.4; font-weight: 500; box-shadow: 0 8px 22px -12px #6d4aff99; text-align: center; }
.premium-landing .primary-button .lp-icon { width: 20px; height: 20px; flex-basis: 20px; }
.premium-landing .lp-link { display: inline-flex; align-items: center; justify-content: flex-start; gap: 10px; min-height: 48px; color: #4b2fc7; font-size: 1rem; font-weight: 500; text-decoration: none; }
.premium-landing .lp-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.premium-landing .lp-small { font-size: .875rem; line-height: 1.6; color: var(--aurora-muted); }
.premium-landing .lp-hero-note { max-width: 380px; margin: 22px 0 0; }
.premium-landing .lp-device-stage { isolation: isolate; position: relative; min-width: 0; margin: 0; padding: 40px 24px 76px 0; }
.premium-landing .lp-orbit { position: absolute; z-index: -1; border-radius: 50%; pointer-events: none; }
.premium-landing .lp-orbit-one { inset: 0 -8px 25px 0; background: radial-gradient(ellipse at 55% 50%,#cfbeff88, #cad8ff77 44%,#b7e7e533 63%,transparent 72%); }
.premium-landing .lp-orbit-two { width: 68%; aspect-ratio: 1; left: 16%; top: 20%; border: 1px solid #9a86d825; rotate: -25deg; }
.premium-landing .lp-tablet { position: relative; width: 100%; padding: 12px 13px 12px 24px; border: 2px solid #75747e; border-radius: 30px; background: #25242b; box-shadow: 0 35px 65px -25px #271c4755, inset 0 0 0 2px #08070b; transform: perspective(1200px) rotateY(-7deg) rotateZ(-4deg); }
.premium-landing .lp-tablet-camera { position: absolute; left: 8px; top: 50%; width: 6px; height: 6px; border-radius: 50%; background: #111; box-shadow: inset 1px 1px 2px #3d476e; }
.premium-landing .lp-tablet-screen { background: #f7f7fa; border-radius: 16px; padding: clamp(16px,2vw,28px); }
.premium-landing .lp-screen-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid #dedbe5; font-size: .75rem; color: var(--aurora-muted); }
.premium-landing .lp-screen-top img { width: 110px; height: 45px; object-fit: contain; }
.premium-landing .lp-screen-welcome { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-block: 24px 18px; }
.premium-landing .lp-screen-welcome span { display: block; font-size: .625rem; color: #4b2fc7; letter-spacing: .06em; }
.premium-landing .lp-screen-welcome strong { display: block; font-size: clamp(1rem,1.65vw,1.35rem); letter-spacing: -.035em; line-height: 1.25; margin-top: 5px; }
.premium-landing .lp-mini-avatar { flex: 0 0 54px; background: #ece7fc; border-radius: 17px; }
.premium-landing .lp-mini-avatar img { width: 54px; height: 54px; object-fit: contain; }
.premium-landing .lp-screen-filter { display: flex; align-items: center; gap: 7px; font-size: .6875rem; color: #4b2fc7; margin-bottom: 14px; }
.premium-landing .lp-screen-filter .lp-icon { width: 16px; height: 16px; flex-basis: 16px; }
.premium-landing .lp-screen-filter > span { margin-left: auto; border: 1px solid #d1c7eb; padding: 4px 8px; border-radius: 8px; }
.premium-landing .lp-screen-course { background: white; border: 1px solid #e5e1ee; border-radius: 18px; padding: 20px; box-shadow: 0 8px 18px -14px #37206044; }
.premium-landing .lp-tag { display: inline-block; color: #226750; background: #e1f6ee; font-size: .5625rem; letter-spacing: .06em; padding: 5px 8px; border-radius: 20px; }
.premium-landing .lp-screen-course > strong { display: block; font-size: 1.5rem; margin: 7px 0 0; }
.premium-landing .lp-screen-course p { font-size: .75rem; line-height: 1.45; color: var(--aurora-muted); margin: 4px 0 14px; }
.premium-landing .lp-screen-actions { display: flex; gap: 8px; }
.premium-landing .lp-screen-actions > span { padding: 7px 12px; border-radius: 20px; font-size: .6875rem; color: #4b2fc7; background: #efebfc; }
.premium-landing .lp-screen-actions > span:first-child { color: #fff; background: #6d4aff; }
.premium-landing .lp-screen-bottom { display: flex; gap: 10px; align-items: center; margin-top: 18px; color: var(--aurora-muted); font-size: .6875rem; line-height: 1.5; }
.premium-landing .lp-screen-bottom .lp-icon { background: #e2f1ea; border-radius: 50%; padding: 4px; color: #247052; }
.premium-landing .lp-hero-phone { position: absolute; right: -4px; bottom: 28px; display: flex; flex-direction: column; align-items: center; width: 160px; padding: 45px 14px 26px; border: 6px solid #24222b; border-radius: 28px; color: #fff; background: linear-gradient(150deg,#452789,#302055 60%,#245052); box-shadow: 0 22px 38px -12px #20103666,0 0 0 1px #8d8998; rotate: 8deg; }
.premium-landing .lp-phone-camera { position: absolute; top: 10px; left: 50%; translate: -50% 0; width: 42px; height: 10px; border-radius: 12px; background: #131019; }
.premium-landing .lp-phone-kicker { font-size: .4375rem; letter-spacing: .12em; color: #e4ddf5; }
.premium-landing .lp-phone-spark { width: 36px; height: 36px; margin: 16px 0 6px; color: #ffda69; }
.premium-landing .lp-hero-phone > strong { font-size: 1.25rem; letter-spacing: -.025em; margin-bottom: 14px; }
.premium-landing .lp-phone-step { width: 100%; font-size: .625rem; padding: 8px; margin: 3px 0; background: #ffffff12; border: 1px solid #ffffff16; border-radius: 9px; }
.premium-landing .lp-phone-step span { display: inline-block; color: #d8c9ff; margin-right: 8px; }
.premium-landing .lp-phone-home { position: absolute; bottom: 9px; width: 46px; height: 3px; background: #c9c0db; border-radius: 5px; }
/* El equipo de la portada (25 sept.): Kaito, Aiko y Riku se asoman por detrás de la tableta; Fuku se posa en la esquina y Luna saluda al frente. */
.premium-landing .lp-device-stage { padding-top: 8px; }
.premium-landing .lp-tablet { z-index: 1; }
.premium-landing .lp-hero-phone { z-index: 2; }
.premium-landing .lp-crew { position: relative; aspect-ratio: 100 / 19; pointer-events: none; }
.premium-landing .lp-crew > img { position: absolute; z-index: 0; width: 20%; height: auto; filter: drop-shadow(0 10px 14px #2a1a5a22); }
.premium-landing .lp-crew-kaito { left: 7%; top: 30%; rotate: -6deg; }
.premium-landing .lp-crew-aiko { left: 30%; top: 12%; rotate: -2deg; }
.premium-landing .lp-crew-riku { left: 53%; top: 8%; rotate: 3deg; }
.premium-landing .lp-crew > .lp-crew-fuku { z-index: 3; left: auto; right: 2%; top: 22%; width: 15%; height: auto; rotate: 4deg; filter: drop-shadow(0 12px 14px #2a1a5a33); pointer-events: none; }
.premium-landing .lp-crew-luna { position: absolute; z-index: 3; left: -7%; bottom: 22%; width: 27%; pointer-events: none; }
.premium-landing .lp-crew-luna img { display: block; width: 100%; height: auto; filter: drop-shadow(0 16px 18px #2a1a5a33); }
.premium-landing .lp-crew-bubble { position: absolute; left: 62%; top: -8%; width: max-content; max-width: 170px; padding: 9px 13px; border-radius: 16px 16px 16px 4px; background: #fff; color: #3a2a8c; font-size: .875rem; font-weight: 600; line-height: 1.3; box-shadow: 0 10px 24px -8px #35205055; border: 1px solid #e3dcf8; }
@media (max-width: 599px) {
  .premium-landing .lp-crew-luna { left: -4%; width: 32%; bottom: 24%; }
  .premium-landing .lp-crew-bubble { left: 60%; top: -12%; max-width: 116px; padding: 6px 9px; font-size: .75rem; border-radius: 12px 12px 12px 3px; }
}
.premium-landing .lp-device-stage figcaption { position: relative; font-size: .875rem; text-align: center; color: var(--aurora-muted); margin: 42px 90px -55px 0; line-height: 1.5; }
.premium-landing .lp-value-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 22px 54px; padding: 26px 0; border-block: 1px solid var(--aurora-separator); }
.premium-landing .lp-value-strip > span { display: inline-flex; align-items: center; gap: 10px; font-size: .9375rem; color: #4a4855; }
.premium-landing .lp-value-strip .lp-icon { color: #6d4aff; }
.premium-landing .lp-section, .premium-landing .how-it-works { padding-block: var(--lp-space); }
.premium-landing .lp-section-heading { max-width: 760px; margin-bottom: 42px; }
.premium-landing .lp-section-heading h2, .premium-landing .section-heading h2 { font-size: clamp(2rem, 3.65vw, 3.5rem); line-height: 1.09; letter-spacing: -.05em; margin: 16px 0; text-wrap: balance; }
.premium-landing .lp-section-heading p { max-width: 600px; color: var(--aurora-muted); font-size: 1.125rem; margin: 0; }
.premium-landing .lp-age-grid, .premium-landing .lp-product-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.premium-landing .lp-age-card { display: flex; flex-direction: column; border: 1px solid #1d1d2308; border-radius: 30px; background: #ede9fa; min-width: 0; }
.premium-landing .lp-age-art { position: relative; display: grid; place-items: center; min-width: 0; height: 300px; overflow: hidden; border-radius: 30px 30px 0 0; }
.premium-landing .lp-age-art > img { position: absolute; inset: 0; margin: auto; width: 100%; height: 100%; min-height: 0; object-fit: contain; }
.premium-landing .lp-age-copy { flex: 1; display: flex; flex-direction: column; padding: 12px 28px 30px; }
.premium-landing .lp-age-label { color: #4b2fc7; font-size: .875rem; letter-spacing: .085em; font-weight: 500; }
.premium-landing .lp-age-card h3 { font-size: 1.7rem; line-height: 1.14; letter-spacing: -.04em; margin: 12px 0 16px; }
.premium-landing .lp-age-card p { font-size: 1rem; color: #55505f; margin: 0 0 26px; }
.premium-landing .lp-age-card .lp-device-line { display: flex; align-items: flex-start; gap: 10px; margin: auto 0 0; padding-top: 20px; border-top: 1px solid #58447622; font-size: .875rem; }
.premium-landing .lp-device-line .lp-icon { width: 20px; height: 20px; flex-basis: 20px; }
.premium-landing .lp-teen { background: #211d35; color: white; }
.premium-landing .lp-teen .lp-age-label { color: #cabbff; }
.premium-landing .lp-teen p { color: #d4cfdf; }
.premium-landing .lp-teen .lp-device-line { border-top-color: #ffffff26; }
.premium-landing .lp-teen .lp-age-art { background: #f0ebff; }
.premium-landing .lp-teen-device { position: relative; display: flex; flex-direction: column; align-items: center; width: 165px; padding: 32px 20px 22px; color: #fff; border: 4px solid #17151f; border-radius: 29px; background: linear-gradient(150deg,#393759,#242239); box-shadow: 0 15px 35px #0005,0 0 0 1px #898599; rotate: -8deg; }
.premium-landing .lp-teen-device .custom-avatar { width: 72px; height: 72px; margin-bottom: 14px; font-size: 2.25rem; border: 1px solid #a69fff; border-radius: 22px; }
.premium-landing .lp-teen-device > span { font-size: .9375rem; text-align: center; line-height: 1.4; }
.premium-landing .lp-teen-line { width: 84px; height: 5px; border-radius: 4px; background: #b2a1d544; margin-top: 15px; }
.premium-landing .lp-teen-line.short { width: 58px; margin-top: 7px; }
.premium-landing .lp-teen-caption { position: absolute; bottom: 29px; right: 16px; padding: 10px 14px; background: #ede9fa; color: #4b2fc7; border-radius: 14px; font-size: .875rem; rotate: 4deg; box-shadow: 0 8px 20px #0002; }
.premium-landing .lp-adult { background: #e5f2ee; }
.premium-landing .lp-adult .lp-age-label { color: #23634d; }
.premium-landing .lp-family-line { text-align: center; color: var(--aurora-muted); margin: 32px 0 0; font-size: 1rem; }
.premium-landing .lp-family-line strong { color: var(--aurora-ink); }
.premium-landing .lp-products { border-top: 1px solid var(--aurora-separator); }
.premium-landing .lp-product-card { padding: 32px 28px; border: 1px solid #e2deed; background: #fff; border-radius: 26px; display: flex; flex-direction: column; min-width: 0; }
.premium-landing .lp-product-icon { display: grid; place-items: center; width: 52px; height: 52px; background: #efebfb; color: #4b2fc7; border-radius: 16px; margin-bottom: 26px; }
.premium-landing .lp-product-purpose { font-size: .875rem; letter-spacing: .055em; color: var(--aurora-muted); min-height: 2.9em; }
.premium-landing .lp-product-card h3 { font-size: 1.8rem; letter-spacing: -.04em; margin: 4px 0 12px; line-height: 1.15; }
.premium-landing .lp-product-card p { font-size: 1rem; color: var(--aurora-muted); margin: 0; }
.premium-landing .lp-product-card ul { padding: 0; list-style: none; margin: 24px 0 32px; }
.premium-landing .lp-product-card li { position: relative; padding-left: 21px; font-size: .9375rem; line-height: 1.5; margin-bottom: 14px; }
.premium-landing .lp-product-card li::before { content: ''; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; border-radius: 50%; background: #6d4aff; }
.premium-landing .lp-product-card .lp-product-device { font-size: .875rem; margin-top: auto; border-top: 1px solid #ded8ec; padding-top: 20px; }
.premium-landing .lp-product-featured { background: linear-gradient(155deg,#f2edff,#f7f5fc 65%); border-color: #c8b9f4; box-shadow: 0 20px 44px -35px #6d4aff80; }
.premium-landing .lp-product-featured .lp-product-icon { background: var(--aurora-action); color: #fff; }
.premium-landing .lp-product-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 28px; }
.premium-landing .lp-product-bottom .lp-small { margin: 5px 0; max-width: 600px; }
.premium-landing .lp-product-bottom > .lp-link { flex: 0 0 auto; }
.premium-landing .how-it-works { background: transparent; padding-inline: 0; margin: 0; border: 0; border-top: 1px solid var(--aurora-separator); box-shadow: none; border-radius: 0; }
.premium-landing .lp-family-layout { display: grid; grid-template-columns: minmax(0,.95fr) minmax(0,1fr); gap: clamp(36px,7vw,100px); align-items: center; }
.premium-landing .lp-family-demo { padding: 32px; border-radius: 32px; background: radial-gradient(ellipse at 20% 0,#e6defb,transparent 65%),#edf0f9; }
.premium-landing .lp-demo-label { display: block; color: #4b2fc7; font-size: .875rem; font-weight: 500; letter-spacing: .09em; text-align: center; margin-bottom: 24px; }
.premium-landing .lp-profile-screen { padding: 26px; background: #fff; border: 1px solid #eeebf4; border-radius: 24px; box-shadow: 0 25px 50px -35px #37205066; }
.premium-landing .lp-profile-logo { width: auto; height: 64px; object-fit: contain; margin-bottom: 20px; }
.premium-landing .lp-profile-screen h3 { font-size: 1.55rem; line-height: 1.2; margin: 12px 0 6px; letter-spacing: -.035em; }
.premium-landing .lp-profile-screen > p { font-size: .9375rem; color: var(--aurora-muted); margin: 0 0 20px; }
.premium-landing .lp-profile-options { display: grid; gap: 10px; }
.premium-landing .lp-profile-option { display: flex; align-items: center; gap: 12px; padding: 10px 12px; min-height: 70px; width: 100%; text-align: left; border: 1px solid #e0dbe9; background: #faf9fc; border-radius: 16px; color: #34303f; cursor: pointer; font-size: 1rem; }
.premium-landing .lp-profile-option img { width: 44px; height: 44px; object-fit: contain; flex: 0 0 44px; }
.premium-landing .lp-profile-check { margin-left: auto; opacity: 0; width: 18px; height: 18px; flex-basis: 18px; }
.premium-landing .lp-profile-option[aria-pressed="true"] { border: 2px solid #6d4aff; padding: 9px 11px; background: #f2edff; color: #4b2fc7; }
.premium-landing .lp-profile-option[aria-pressed="true"] .lp-profile-check { opacity: 1; }
.premium-landing .lp-profile-option:disabled { cursor: default; }
.premium-landing .lp-profile-teen { width: 44px; height: 44px; display: grid; place-items: center; flex: 0 0 44px; background: linear-gradient(145deg,#6d4aff,#0a84ff,#31c7a1); border-radius: 14px; color: #fff; }
.premium-landing .lp-profile-screen .lp-profile-message { font-size: .875rem; min-height: 5em; margin: 20px 0 14px; color: #4b2fc7; }
.premium-landing .lp-profile-screen .primary-button { width: 100%; }
.premium-landing .lp-demo-note { text-align: center; margin-bottom: 0; }
.premium-landing .how-steps { display: grid; grid-template-columns: minmax(0,1fr); gap: 0; margin: 0; padding: 0; }
.premium-landing .how-steps li { display: grid; grid-template-columns: 38px minmax(0,1fr); gap: 18px; padding: 24px 0; background: transparent; border-radius: 0; border: 0; border-bottom: 1px solid #dfdbe8; }
.premium-landing .how-steps li:first-child { padding-top: 0; }
.premium-landing .how-steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.premium-landing .how-step-number { display: block; width: auto; height: auto; font-size: 1.3rem; color: #6d4aff; padding: 0; background: transparent; }
.premium-landing .how-steps h4 { font-size: 1.3rem; margin: 0 0 8px; line-height: 1.3; letter-spacing: -.025em; }
.premium-landing .how-steps p { font-size: 1rem; line-height: 1.6; margin: 0; color: var(--aurora-muted); }
.premium-landing .lp-family-notes { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; margin-top: 32px; }
.premium-landing .lp-family-notes p { font-size: .875rem; color: var(--aurora-muted); line-height: 1.6; margin: 0; padding-left: 18px; border-left: 2px solid #d9cfee; }
.premium-landing .lp-center { justify-content: center; margin-top: 40px; }
.premium-landing .finder { margin-top: 0; border-radius: 30px; padding: 40px; box-shadow: none; }
.premium-landing .finder .section-intro { font-size: 1rem; max-width: 500px; }
.premium-landing .finder .result-count { font-size: .875rem; }
.premium-landing .courses { padding-block: 48px var(--lp-space); }
.premium-landing .courses .section-heading h2 { font-size: 1.75rem; }
.premium-landing .subject-section { margin-top: 30px; }
.premium-landing .course-card { min-height: 0; }
.premium-landing .course-card h4 { font-size: 1.6rem; margin: 16px 0 10px; }
.premium-landing .course-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.premium-landing .lp-close { position: relative; isolation: isolate; padding: clamp(40px,7vw,88px); text-align: center; background: #211b32; color: #fff; border-radius: 36px; margin-bottom: 70px; }
.premium-landing .lp-close-orbit { position: absolute; inset: 0; z-index: -1; border-radius: inherit; overflow: hidden; background: radial-gradient(ellipse at 20% 100%,#15726466,transparent 60%),radial-gradient(ellipse at 90% 0,#5035b58a,transparent 60%); }
.premium-landing .lp-close .lp-close-icon { display: block; width: 44px; height: 44px; margin: 0 auto 24px; color: #d5c8ff; }
.premium-landing .lp-close .lp-eyebrow { color: #cabcf0; }
.premium-landing .lp-close h2 { font-size: clamp(2.75rem,5vw,4.4rem); line-height: 1.05; margin: 20px 0; letter-spacing: -.055em; }
.premium-landing .lp-close p { color: #ded7ea; font-size: 1.125rem; margin: 0 auto 28px; max-width: 630px; }
.premium-landing .lp-close .primary-button { background: #fff; color: #4b2fc7; }
.premium-landing .lp-close .lp-small { font-size: .875rem; margin-top: 22px; }
.premium-landing .lp-close details { max-width: 650px; margin: 0 auto; }
.premium-landing .lp-close summary { cursor: pointer; padding: 14px 8px; min-height: 48px; font-size: .9375rem; color: #ebe3fa; text-decoration: underline; text-underline-offset: 4px; }
.premium-landing .lp-close details p { font-size: .9375rem; text-align: left; margin-top: 16px; }
.premium-landing .lp-close :is(a,summary):focus-visible { outline-color: #ffda69; }
.premium-landing footer { padding-top: 32px; }
.premium-landing footer a { display: inline-flex; align-items: center; min-height: 44px; }
.premium-landing .footer-logo { margin: 0; width: 200px; height: auto; }
@media (max-width: 1100px) {
  .premium-landing .lp-hero { gap: 24px; }
  .premium-landing .lp-hero h1 { font-size: clamp(3rem,5vw,4rem); }
  .premium-landing .lp-age-copy { padding: 12px 20px 26px; }
  .premium-landing .lp-product-card { padding: 26px 22px; }
  .premium-landing .lp-product-bottom { flex-wrap: wrap; }
  .premium-landing .lp-age-art { height: 250px; }
  .premium-landing .lp-family-demo { padding: 24px; }
}
@media (max-width: 960px) {
  .premium-landing main, .premium-landing footer, .premium-landing .nav-shell { width: min(760px, calc(100% - 40px)); }
  .premium-landing .lp-hero { grid-template-columns: minmax(0,1fr); text-align: center; gap: 0; padding-top: 48px; }
  .premium-landing .lp-hero h1 { font-size: clamp(3rem,7.5vw,4.3rem); max-width: 13em; margin-inline: auto; }
  .premium-landing .lp-hero .lp-lead { max-width: 530px; margin-inline: auto; }
  .premium-landing .lp-actions { justify-content: center; }
  .premium-landing .lp-hero-note { margin-inline: auto; }
  .premium-landing .lp-device-stage { width: min(530px,100%); justify-self: center; padding-top: 8px; text-align: left; }
  .premium-landing .lp-screen-welcome strong { font-size: 1.25rem; }
  .premium-landing .lp-age-grid { grid-template-columns: minmax(0,1fr); }
  .premium-landing .lp-age-card { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1fr); }
  .premium-landing .lp-age-copy { padding: 32px 26px 32px 12px; }
  .premium-landing .lp-age-art { height: auto; min-height: 300px; border-radius: 30px 0 0 30px; }
  .premium-landing .lp-age-art > img { max-height: 310px; }
  .premium-landing .lp-product-grid { gap: 14px; }
  .premium-landing .lp-product-card { padding: 24px 18px; }
  .premium-landing .lp-product-card h3 { font-size: 1.5rem; }
  .premium-landing .lp-family-layout { gap: 30px; }
  .premium-landing .lp-family-demo { padding: 18px; }
  .premium-landing .lp-profile-screen { padding: 18px; }
  .premium-landing .lp-profile-option { gap: 8px; font-size: .9375rem; }
  .premium-landing .lp-profile-option img, .premium-landing .lp-profile-teen { width: 36px; height: 36px; flex-basis: 36px; }
}
@media (max-width: 760px) {
  .premium-landing .lp-product-grid, .premium-landing .lp-family-layout, .premium-landing .lp-family-notes { grid-template-columns: minmax(0,1fr); }
  .premium-landing .lp-product-card { padding: 28px; }
  .premium-landing .lp-product-purpose { min-height: 0; margin-bottom: 8px; }
  .premium-landing .lp-product-card h3 { font-size: 1.875rem; }
  .premium-landing .lp-family-demo { width: min(470px,100%); justify-self: center; padding: 26px; }
  .premium-landing .lp-profile-screen { padding: 24px; }
  .premium-landing .lp-profile-option { font-size: 1rem; gap: 12px; }
  .premium-landing .lp-family-layout { gap: 40px; }
  .premium-landing .lp-family-notes { gap: 20px; }
  .premium-landing .lp-value-strip { gap: 16px 24px; }
  .premium-landing .finder { padding: 28px; }
  .premium-landing .course-grid { grid-template-columns: minmax(0,1fr); }
}
@media (max-width: 540px) {
  .premium-landing main, .premium-landing footer, .premium-landing .nav-shell { width: calc(100% - 32px); }
  .premium-landing .nav-shell { min-height: 76px; }
  .premium-landing .brand img { width: auto; height: 92px; }
  .premium-landing .lp-hero { padding-top: 36px; padding-bottom: 46px; }
  .premium-landing .lp-hero h1 { font-size: clamp(2rem,11.4vw,3.6rem); max-width: 10em; letter-spacing: -.055em; margin-block: 20px; }
  .premium-landing .lp-hero .lp-lead { font-size: 1.0625rem; }
  .premium-landing .lp-hero .lp-eyebrow { font-size: .875rem; letter-spacing: .01em; }
  .premium-landing .lp-hero .lp-actions { gap: 8px; }
  .premium-landing .lp-hero .primary-button { width: 100%; }
  .premium-landing .lp-device-stage { padding: 8px 14px 80px 0; }
  .premium-landing .lp-tablet { padding: 9px 9px 9px 17px; border-radius: 22px; }
  .premium-landing .lp-tablet-camera { left: 5px; width: 4px; height: 4px; }
  .premium-landing .lp-tablet-screen { padding: 16px; border-radius: 12px; }
  .premium-landing .lp-screen-welcome strong { font-size: 1.1rem; }
  .premium-landing .lp-screen-top img { width: 90px; height: 37px; }
  .premium-landing .lp-screen-top > span { font-size: .625rem; }
  .premium-landing .lp-screen-welcome { margin-top: 16px; }
  .premium-landing .lp-screen-course { padding: 15px; }
  .premium-landing .lp-screen-course p { max-width: 170px; }
  .premium-landing .lp-hero-phone { width: 122px; border-width: 5px; padding: 35px 9px 24px; right: 2px; bottom: 28px; border-radius: 23px; }
  .premium-landing .lp-phone-kicker { font-size: .375rem; }
  .premium-landing .lp-phone-spark { width: 28px; height: 28px; margin-top: 10px; }
  .premium-landing .lp-hero-phone > strong { font-size: 1rem; }
  .premium-landing .lp-phone-step { font-size: .5rem; padding: 6px; }
  .premium-landing .lp-phone-step span { margin-right: 4px; }
  .premium-landing .lp-device-stage figcaption { font-size: .875rem; margin-right: 100px; margin-top: 28px; }
  .premium-landing .lp-value-strip { align-items: flex-start; flex-direction: column; padding: 24px 12px; gap: 16px; }
  .premium-landing .lp-section-heading { margin-bottom: 28px; }
  .premium-landing .lp-section-heading h2 { font-size: 2.3rem; }
  .premium-landing .lp-section-heading p { font-size: 1rem; }
  .premium-landing .lp-age-card { display: flex; border-radius: 26px; }
  .premium-landing .lp-age-art { height: 280px; min-height: 0; border-radius: 26px 26px 0 0; }
  .premium-landing .lp-age-art > img { max-height: none; }
  .premium-landing .lp-age-copy { padding: 12px 26px 28px; }
  .premium-landing .lp-age-card h3 { font-size: 1.85rem; }
  .premium-landing .lp-family-line { text-align: left; }
  .premium-landing .lp-product-bottom > .lp-link { flex: 0 1 auto; }
  .premium-landing .lp-family-demo { padding: 22px 16px; }
  .premium-landing .lp-profile-screen { padding: 20px 16px; }
  .premium-landing .how-steps li { gap: 12px; grid-template-columns: 32px minmax(0,1fr); }
  .premium-landing .how-steps h4 { font-size: 1.25rem; }
  .premium-landing .finder { padding: 24px 20px; border-radius: 26px; }
  .premium-landing .search-box input { padding-left: 2.75rem; font-size: 1rem; }
  .premium-landing .search-icon { left: .75rem; }
  .premium-landing .subject-filters { gap: 8px; }
  .premium-landing .filter-button { font-size: .875rem; padding-inline: 12px; }
  .premium-landing .lp-close { padding: 40px 24px; border-radius: 28px; }
  .premium-landing .lp-close .primary-button { width: 100%; padding-inline: 18px; }
}
/* Biblioteca (26 sept.): barra de materias + galería flotante. */
.premium-landing .lp-library { padding-block: var(--lp-space); border-top: 1px solid var(--aurora-separator); }
.premium-landing .lp-library .lp-section-heading { margin-bottom: 28px; }
.premium-landing .lp-subject-bar { display: flex; gap: 10px; overflow-x: auto; padding: 6px 4px 14px; margin: 0 -4px; scrollbar-width: none; scroll-snap-type: x proximity; }
.premium-landing .lp-subject-bar::-webkit-scrollbar { display: none; }
.premium-landing .lp-subject-tab { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 10px 18px; border: 1px solid #ddd6f3; border-radius: 999px; background: #fff; color: #2a2340; font: inherit; font-size: 1rem; font-weight: 600; cursor: pointer; scroll-snap-align: start; transition: background .25s ease, color .25s ease, box-shadow .25s ease, transform .25s ease; }
.premium-landing .lp-subject-tab:hover { border-color: #b9a8f3; }
.premium-landing .lp-subject-tab[aria-selected="true"] { background: #5b3df5; border-color: #5b3df5; color: #fff; box-shadow: 0 10px 22px -10px #5b3df5aa; }
.premium-landing .lp-subject-tab:focus-visible { outline: 3px solid #ffbd17; outline-offset: 2px; }
.premium-landing .lp-subject-emoji { font-size: 1.15rem; line-height: 1; }
.premium-landing .lp-subject-count { min-width: 26px; padding: 2px 8px; border-radius: 999px; background: #efeafe; color: #4b2fc7; font-size: .8125rem; text-align: center; }
.premium-landing .lp-subject-tab[aria-selected="true"] .lp-subject-count { background: #ffffff2e; color: #fff; }
.premium-landing .lp-gallery { position: relative; margin-top: 8px; }
.premium-landing .lp-gallery-track { display: flex; gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: 6px; padding: 26px 6px 40px; margin: 0 -6px; scrollbar-width: none; }
.premium-landing .lp-gallery-track::-webkit-scrollbar { display: none; }
.premium-landing .lp-gallery-track:focus-visible { outline: 3px solid #ffbd17; outline-offset: 4px; border-radius: 24px; }
.premium-landing .lp-float-card { flex: 0 0 clamp(250px, 28vw, 310px); display: flex; flex-direction: column; min-height: 300px; margin: 0; padding: 22px; border: 1px solid #ece7fa; border-radius: 26px; background: #fff; box-shadow: 0 22px 40px -26px #2a1a5a66, 0 2px 6px #2a1a5a0d; scroll-snap-align: start; transition: transform .35s var(--lp-ease), box-shadow .35s var(--lp-ease); }
.premium-landing .lp-float-card:hover { transform: translateY(-8px); box-shadow: 0 30px 50px -26px #2a1a5a88, 0 2px 6px #2a1a5a0d; }
.premium-landing .lp-float-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.premium-landing .lp-float-card .course-emoji { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 18px; background: var(--course-bg, #efeafe); color: var(--course-color, #5b3df5); font-size: 1.6rem; }
.premium-landing .lp-float-subject { padding: 5px 10px; border-radius: 999px; background: var(--course-bg, #efeafe); color: var(--course-color, #5b3df5); font-size: .75rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.premium-landing .lp-float-card h4 { font-size: 1.35rem; line-height: 1.2; letter-spacing: -.02em; margin: 18px 0 8px; }
.premium-landing .lp-float-card p { flex: 1; margin: 0 0 18px; color: var(--aurora-muted); font-size: .9375rem; line-height: 1.5; }
.premium-landing .lp-float-card .course-link { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 10px 18px; border-radius: 14px; background: #5b3df5; color: #fff; font-weight: 600; text-decoration: none; }
.premium-landing .lp-gallery-nav { position: absolute; top: 50%; z-index: 2; display: grid; place-items: center; width: 48px; height: 48px; margin-top: -24px; border: 1px solid #ddd6f3; border-radius: 50%; background: #fff; color: #4b2fc7; box-shadow: 0 10px 24px -10px #2a1a5a66; cursor: pointer; }
.premium-landing .lp-gallery-nav[hidden] { display: none; }
.premium-landing .lp-gallery-prev { left: -18px; }
.premium-landing .lp-gallery-prev .lp-icon { transform: scaleX(-1); }
.premium-landing .lp-gallery-next { right: -18px; }
.premium-landing .lp-gallery-nav:focus-visible { outline: 3px solid #ffbd17; outline-offset: 2px; }
.premium-landing .lp-library .result-count { margin: 0 0 8px; color: var(--aurora-muted); font-size: .9375rem; }
@media (max-width: 760px) { .premium-landing .lp-gallery-nav { display: none; } .premium-landing .lp-float-card { flex-basis: 78%; } }
@media (prefers-reduced-motion: no-preference) {
  .premium-landing.motion-enabled .lp-float-card { animation: lp-float-bob 6s ease-in-out infinite; animation-delay: calc(var(--i, 0) * -1.3s); }
  .premium-landing.motion-enabled .lp-float-card:hover { animation-play-state: paused; }
  .premium-landing.motion-enabled .lp-gallery-refresh .lp-float-card { animation: lp-float-in .55s var(--lp-ease) both, lp-float-bob 6s ease-in-out .55s infinite; animation-delay: calc(var(--i, 0) * 60ms), calc(var(--i, 0) * -1.3s); }
  @keyframes lp-float-bob { 50% { transform: translateY(-6px); } }
  @keyframes lp-float-in { from { opacity: 0; transform: translateY(18px) scale(.97); } to { opacity: 1; transform: none; } }
  .premium-landing.motion-enabled .lp-gradient { animation: gradient-flow 7s ease-in-out infinite alternate; }
  .premium-landing.motion-enabled .lp-tablet { animation: lp-tablet-float 7s ease-in-out infinite; }
  .premium-landing.motion-enabled .lp-hero-phone { animation: lp-phone-float 6s ease-in-out -2s infinite; }
  .premium-landing.motion-enabled .lp-orbit { animation: lp-orbit-drift 12s ease-in-out infinite alternate; }
  .premium-landing.motion-enabled .lp-crew > img { animation: lp-crew-peek 5s ease-in-out infinite; }
  .premium-landing.motion-enabled .lp-crew-aiko { animation-delay: -1.6s !important; }
  .premium-landing.motion-enabled .lp-crew-riku { animation-delay: -3.2s !important; }
  .premium-landing.motion-enabled .lp-crew > .lp-crew-fuku { animation: lp-crew-perch 6s ease-in-out infinite; }
  .premium-landing.motion-enabled .lp-crew-luna img { animation: lp-crew-luna 4.5s ease-in-out infinite; transform-origin: 50% 100%; }
  .premium-landing.motion-enabled .lp-crew-bubble { animation: lp-crew-bubble .7s var(--lp-ease) .6s both; }
  @keyframes lp-crew-peek { 50% { transform: translateY(-7px); } }
  @keyframes lp-crew-perch { 50% { transform: translateY(-4px) rotate(-3deg); } }
  @keyframes lp-crew-luna { 50% { transform: translateY(-6px) rotate(-2deg); } }
  @keyframes lp-crew-bubble { from { opacity: 0; transform: translateY(8px) scale(.9); } to { opacity: 1; transform: none; } }
  .premium-landing.motion-enabled .lp-age-card.is-visible .lp-age-art > img,
  .premium-landing.motion-enabled .lp-age-card.is-visible .lp-teen-device { animation: lp-character-enter .9s var(--lp-ease) both; }
  .premium-landing.motion-enabled .lp-profile-message.lp-preview-change { animation: lp-preview-in .4s var(--lp-ease); }
  .premium-landing :is(.lp-profile-option,.lp-age-card,.lp-product-card) { transition: transform .4s var(--lp-ease), box-shadow .4s var(--lp-ease), background .25s ease; }
  .premium-landing .lp-profile-option:active { transform: scale(.98); }
  @keyframes lp-tablet-float { 50% { transform: perspective(1200px) rotateY(-5deg) rotateZ(-3deg) translateY(-9px); } }
  @keyframes lp-phone-float { 50% { transform: translateY(-8px); rotate: 6deg; } }
  @keyframes lp-orbit-drift { to { transform: translate(8px,-10px) scale(1.03); } }
  @keyframes lp-character-enter { from { opacity: .5; transform: translateY(16px) scale(.96); } to { opacity: 1; transform: none; } }
  @keyframes lp-preview-in { from { opacity: .45; transform: translateY(6px); } to { opacity: 1; transform: none; } }
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .premium-landing :is(.lp-age-card,.lp-product-card):hover { transform: translateY(-5px); box-shadow: 0 22px 44px -32px #35205077; }
  .premium-landing .lp-link:hover .lp-icon { transform: translateX(4px); transition: transform .3s var(--lp-ease); }
}
@media (prefers-reduced-motion: reduce) {
  .premium-landing *, .premium-landing *::before, .premium-landing *::after { animation: none !important; transition: none !important; }
  .premium-landing .lp-tablet { transform: none; }
  .premium-landing .lp-hero-phone { rotate: 0deg; }
}
@media (prefers-reduced-transparency: reduce) { .premium-landing .site-header { background: #f7f7fa; backdrop-filter: none; -webkit-backdrop-filter: none; } }
@media (prefers-contrast: more) { .premium-landing :is(.lp-age-card,.lp-product-card,.lp-profile-option,.finder) { border: 2px solid #726583; } }
@media (forced-colors: active) {
  .premium-landing .lp-gradient { background: none; color: CanvasText; -webkit-text-fill-color: CanvasText; }
  .premium-landing :is(.lp-close,.lp-teen,.lp-product-card,.lp-profile-screen) { color: CanvasText; background: Canvas; border: 1px solid CanvasText; }
  .premium-landing :is(a,button,summary):focus-visible { outline-color: Highlight; }
  .premium-landing :is(.lp-teen,.lp-close) :is(p,.lp-age-label,.lp-eyebrow,summary) { color: CanvasText; }
  .premium-landing .lp-orbit, .premium-landing .lp-close-orbit { display: none; }
}