/*
RTH 2026 v1.5.0 — Approved Layout Fidelity Layer
Author: L. Terry
Date: 2026-09-06

This stylesheet restores the approved five-page visual baseline while the
v1.4.x governance, routing, WooCommerce, privacy, and staging safeguards
remain in force.
*/

:root{
  --rth13-navy:#07264e;
  --rth13-navy-deep:#041a35;
  --rth13-blue:#0c4f92;
  --rth13-red:#d52032;
  --rth13-red-dark:#a91424;
  --rth13-gold:#e0a827;
  --rth13-green:#16875b;
  --rth13-purple:#67328a;
  --rth13-ink:#10233d;
  --rth13-muted:#5e6d7d;
  --rth13-line:#d8e0e9;
  --rth13-paper:#f6f8fb;
  --rth13-white:#fff;
  --rth13-radius:18px;
  --rth13-shadow:0 18px 48px rgba(7,38,78,.11);
  --rth13-shell:1280px;
}

.rth-v13-shell{width:min(calc(100% - 2rem),var(--rth13-shell));margin-inline:auto}
.rth-v13-red{color:var(--rth13-red)}
.rth-v13-section{padding:clamp(3rem,6vw,5.5rem) 0;background:#fff;color:var(--rth13-ink)}
.rth-v13-section--light{background:var(--rth13-paper)}
.rth-v13-section--dark{background:var(--rth13-navy-deep);color:#fff}
.rth-v13-section-heading{max-width:800px;margin-bottom:2.25rem}
.rth-v13-section-heading--center{text-align:center;margin-inline:auto}
.rth-v13-section-heading h2,.rth-v13-feature h2,.rth-v13-evidence-summary h2,.rth-v13-model-summary h2,.rth-v13-specialist-band h2,.rth-v13-kids-closing h2{font-family:Georgia,'Times New Roman',serif}
.rth-v13-section-heading h2{margin:.25rem 0 .6rem;color:var(--rth13-navy);font-size:clamp(2rem,4vw,3.8rem);line-height:1.04}
.rth-v13-section--dark .rth-v13-section-heading h2{color:#fff}
.rth-v13-kicker{margin:0 0 .5rem;color:var(--rth13-navy);font-size:.78rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.rth-v13-kicker span,.rth-v13-kicker--red{color:var(--rth13-red)}
.rth-v13-kicker--gold{color:var(--rth13-gold)}
.rth-v13-kicker--light{color:#8fd0ff}
.rth-v13-small{font-size:.78rem;color:var(--rth13-muted)}

.rth-v13-button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;gap:.45rem;padding:.75rem 1.25rem;border-radius:9px;font-weight:800;text-decoration:none;border:2px solid transparent;transition:transform .18s ease,background .18s ease,color .18s ease}
.rth-v13-button:hover,.rth-v13-button:focus-visible{transform:translateY(-1px)}
.rth-v13-button--primary,.rth-v13-button--donate{background:var(--rth13-red);color:#fff}
.rth-v13-button--primary:hover,.rth-v13-button--donate:hover{background:var(--rth13-red-dark);color:#fff}
.rth-v13-button--secondary{background:var(--rth13-navy);color:#fff}
.rth-v13-button--outline-light{border-color:rgba(255,255,255,.8);color:#fff;background:rgba(7,38,78,.25)}
.rth-v13-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.35rem}

.screen-reader-text{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.screen-reader-text:focus{clip:auto!important;width:auto!important;height:auto!important;margin:0!important;overflow:visible!important;white-space:normal!important}
.skip-link:focus{left:1rem;top:1rem;z-index:9999;background:#fff;color:var(--rth13-navy);padding:.7rem 1rem;border:3px solid var(--rth13-gold)}

/* Approved header */
.rth-v13-header{position:sticky;top:0;z-index:999;background:#fff;border-bottom:1px solid rgba(7,38,78,.12);box-shadow:0 2px 12px rgba(7,38,78,.05)}
.rth-v13-header__inner{min-height:72px;display:grid;grid-template-columns:auto 1fr auto;grid-template-areas:'brand nav donate';gap:1.5rem;align-items:center}
.rth-v13-brand{grid-area:brand;display:flex;align-items:center;gap:.7rem;color:var(--rth13-navy);text-decoration:none;font-weight:900;line-height:.95;letter-spacing:.05em}
.rth-v13-brand__mark{width:48px;height:48px;display:grid;place-items:center;border:2px solid var(--rth13-navy);border-radius:50%;font-size:.8rem}
.rth-v13-brand__name{font-size:.82rem}
.rth-v13-brand__logo img{max-height:50px;width:auto}
.rth-v13-nav{grid-area:nav;justify-self:center}
.rth-v13-nav>ul,.rth-v13-nav ul{list-style:none;margin:0;padding:0}
.rth-v13-nav>ul{display:flex;align-items:center;gap:1.35rem}
.rth-v13-nav>ul>li{position:relative}
.rth-v13-nav a{color:var(--rth13-navy);font-weight:750;font-size:.9rem;text-decoration:none;padding:.75rem 0;display:block}
.rth-v13-nav a:hover,.rth-v13-nav a:focus-visible{color:var(--rth13-red)}
.rth-v13-nav .menu-item-has-children>a::after{content:'▾';font-size:.72em;margin-left:.32rem;color:var(--rth13-red)}
.rth-v13-nav .sub-menu{position:absolute;left:-1rem;top:100%;min-width:235px;background:#fff;border:1px solid var(--rth13-line);border-radius:12px;box-shadow:var(--rth13-shadow);padding:.55rem;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease}
.rth-v13-nav .sub-menu a{padding:.65rem .8rem;border-radius:8px;white-space:nowrap}
.rth-v13-nav .sub-menu a:hover,.rth-v13-nav .sub-menu a:focus-visible{background:var(--rth13-paper)}
.rth-v13-nav>ul>li:hover>.sub-menu,.rth-v13-nav>ul>li:focus-within>.sub-menu{opacity:1;visibility:visible;transform:none}
.rth-v13-menu-toggle{grid-area:toggle;display:none;background:#fff;border:1px solid var(--rth13-line);color:var(--rth13-navy);border-radius:8px;padding:.65rem .8rem;font-weight:800}
.rth-v13-button--donate{grid-area:donate;justify-self:end;white-space:nowrap}

/* Core hero */
.rth-v13-hero{--rth-hero-image:none;color:#fff;background-image:linear-gradient(90deg,rgba(4,26,53,.98) 0%,rgba(7,38,78,.91) 47%,rgba(7,38,78,.38) 100%),var(--rth-hero-image);background-color:var(--rth13-navy);background-size:cover;background-position:center;overflow:hidden}
.rth-v13-hero__grid{min-height:470px;display:grid;grid-template-columns:minmax(0,1.04fr) minmax(320px,.96fr);gap:2rem;align-items:center}
.rth-v13-hero__copy{padding:clamp(3rem,6vw,5.5rem) 0}
.rth-v13-hero h1{margin:.2rem 0 1rem;font-family:Georgia,'Times New Roman',serif;font-size:clamp(3.1rem,6vw,5.8rem);line-height:.95;letter-spacing:-.045em;color:#fff}
.rth-v13-hero h1 em{color:var(--rth13-gold);font-style:normal}
.rth-v13-hero h2{font-family:Georgia,'Times New Roman',serif;color:var(--rth13-gold);font-size:clamp(1.7rem,3vw,3rem);margin:.3rem 0 1rem;line-height:1.08}
.rth-v13-hero__copy>p:not(.rth-v13-kicker){max-width:700px;font-size:1.08rem;color:rgba(255,255,255,.92)}
.rth-v13-hero__art{min-height:340px}
.rth-v13-trustline{display:flex;flex-wrap:wrap;gap:1rem 1.8rem;margin-top:1.5rem;font-size:.8rem;color:rgba(255,255,255,.82)}
.rth-v13-trustline span{max-width:155px}
.rth-v13-trustline strong{display:block;color:#fff;text-transform:uppercase;font-size:.72rem;letter-spacing:.04em}

/* Shared cards/grids */
.rth-v13-card,.rth-v13-feature,.rth-v13-model-summary,.rth-v13-evidence-summary,.rth-v13-model-cycle,.rth-v13-cascade{background:#fff;border:1px solid var(--rth13-line);border-radius:var(--rth13-radius);box-shadow:var(--rth13-shadow)}
.rth-v13-card{padding:1.35rem}
.rth-v13-card h2,.rth-v13-card h3{color:var(--rth13-navy)}
.rth-v13-card h3{font-size:1.05rem}
.rth-v13-card p{color:var(--rth13-muted)}
.rth-v13-card a{font-weight:800;text-decoration:none}
.rth-v13-card--dark{background:#0b3261;border-color:rgba(255,255,255,.15);box-shadow:none}
.rth-v13-card--dark h3,.rth-v13-card--dark p,.rth-v13-card--dark a{color:#fff}
.rth-v13-badge{display:grid;place-items:center;width:48px;height:48px;margin-bottom:.8rem;border-radius:50%;color:#fff;font-weight:900}
.rth-v13-icon{display:block;width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.rth-v13-badge--blue{background:var(--rth13-blue)}
.rth-v13-badge--red{background:var(--rth13-red)}
.rth-v13-badge--gold{background:#d99100}
.rth-v13-badge--green{background:var(--rth13-green)}
.rth-v13-badge--purple{background:var(--rth13-purple)}
.rth-v13-three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.rth-v13-four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.rth-v13-five-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem}
.rth-v13-secondary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1rem}
.rth-v13-split{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;align-items:stretch}

/* Homepage */
.rth-v13-hero--home{background-position:center}
.rth-v13-home-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:1.2rem;align-items:start}
.rth-v13-ecosystem-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}
.rth-v13-ecosystem-cards .rth-v13-card{min-height:240px}
.rth-v13-model-summary{padding:1.5rem}
.rth-v13-model-summary h2{color:var(--rth13-navy);font-size:clamp(1.6rem,2.7vw,2.35rem);line-height:1.08}
.rth-v13-cycle{display:grid;gap:.5rem;margin:1rem 0}
.rth-v13-cycle span{display:grid;grid-template-columns:34px 1fr;align-items:center;padding:.65rem;background:var(--rth13-paper);border-radius:8px;color:var(--rth13-navy);font-weight:750}
.rth-v13-cycle b{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--rth13-blue);color:#fff}
.rth-v13-feature{padding:2rem}
.rth-v13-feature h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.02;color:var(--rth13-navy)}
.rth-v13-feature--founder{position:relative;overflow:hidden;min-height:350px;background-image:linear-gradient(90deg,rgba(255,255,255,.98),rgba(255,255,255,.9) 48%,rgba(255,255,255,.12) 78%),url('../images/rth-founder-story-v1.png');background-size:cover;background-position:center}
.rth-v13-feature--founder>*{position:relative;z-index:1;max-width:58%}
.rth-v13-publications{padding:1.25rem}
.rth-v13-book-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem}
.rth-v13-book{min-height:150px;padding:1rem;border:1px solid var(--rth13-line);border-radius:10px;background:linear-gradient(145deg,#0a3971,#102042);box-shadow:0 8px 18px rgba(3,26,57,.16)}
.rth-v13-book strong,.rth-v13-book span{display:block;color:#fff}
.rth-v13-book strong{font-family:Georgia,'Times New Roman',serif;font-size:1.05rem}
.rth-v13-book span{margin-top:.5rem;font-size:.76rem;color:rgba(255,255,255,.76)}
.rth-v13-kids-band{position:relative;min-height:340px;display:flex;align-items:center;background-image:linear-gradient(90deg,rgba(223,245,255,.99),rgba(223,245,255,.9) 42%,rgba(223,245,255,.08) 69%),url('../images/rth-heart-heroes-v1.png');background-size:cover;background-position:center}
.rth-v13-kids-band__inner>div{max-width:48%}
.rth-v13-kids-band h2{margin:.15rem 0;font-family:Georgia,'Times New Roman',serif;color:var(--rth13-navy);font-size:clamp(2.7rem,5vw,4.7rem);line-height:.98}

/* Ecosystem */
.rth-v13-hero--ecosystem{background-position:center}
.rth-v13-specialist-band{background:linear-gradient(120deg,#052e63,#03162f);color:#fff}
.rth-v13-specialist-band__grid{min-height:250px;display:grid;align-items:center;padding-block:2rem}
.rth-v13-specialist-band__grid>div{max-width:880px}
.rth-v13-specialist-band h2{font-size:clamp(2rem,4vw,3.2rem);margin:.2rem 0 .6rem;color:#fff}
.rth-v13-specialist-band h2 span{color:var(--rth13-gold)}
.rth-v13-specialist-band p{color:rgba(255,255,255,.86)}
.rth-v13-impact-grid{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--rth13-line);border-radius:var(--rth13-radius);overflow:hidden}
.rth-v13-impact-grid>div{text-align:center;padding:1.4rem;border-right:1px solid var(--rth13-line)}
.rth-v13-impact-grid>div:last-child{border-right:0}
.rth-v13-impact-grid strong{display:block;color:var(--rth13-navy);font-size:1.05rem}
.rth-v13-impact-grid span{color:var(--rth13-muted);font-size:.82rem}

/* SuperstarIQ */
.rth-v13-hero--siq{background-image:radial-gradient(circle at 80% 35%,rgba(224,168,39,.20),transparent 25%),linear-gradient(115deg,rgba(4,26,53,.99),rgba(7,38,78,.96)),var(--rth-hero-image)}
.rth-v13-siq-hero{min-height:500px;display:grid;grid-template-columns:1.05fr .95fr;gap:1.5rem;align-items:center;padding:3.5rem 0}
.rth-v13-siq-hero h1{margin:.35rem 0 .7rem;font-family:Georgia,'Times New Roman',serif;font-size:clamp(3.5rem,7vw,6.4rem);line-height:.9;color:#fff}
.rth-v13-siq-hero h1 span{color:var(--rth13-gold)}
.rth-v13-siq-hero sup{font-size:.28em;top:-1.5em;position:relative}
.rth-v13-siq-hero>div:first-child>p:not(.rth-v13-siq-tagline){color:rgba(255,255,255,.88)}
.rth-v13-siq-tagline{font-size:clamp(1.35rem,2.5vw,2rem)!important;line-height:1.35;color:#fff}
.rth-v13-siq-tagline strong{color:var(--rth13-gold)}
.rth-v13-dashboard{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.rth-v13-dashboard>div{min-height:140px;padding:1rem;background:rgba(11,66,119,.6);border:1px solid rgba(255,255,255,.25);border-radius:12px;backdrop-filter:blur(4px)}
.rth-v13-dashboard small,.rth-v13-dashboard span{display:block;color:rgba(255,255,255,.75)}
.rth-v13-dashboard strong{display:block;margin:.45rem 0;color:#fff;font-size:1.3rem}
.rth-v13-check-list{padding-left:1.2rem}
.rth-v13-check-list li{margin:.55rem 0}
.rth-v13-evidence-summary{padding:2rem}
.rth-v13-evidence-summary h2{color:var(--rth13-navy);font-size:clamp(2rem,3.4vw,3rem)}
.rth-v13-document-mock{max-width:420px;padding:1.2rem;background:#fff;border:1px solid var(--rth13-line);box-shadow:var(--rth13-shadow);border-radius:10px;transform:rotate(1deg)}
.rth-v13-document-mock>div{height:10px;background:#e6ebf2;margin:.65rem 0;border-radius:5px}
.rth-v13-document-mock>.short{width:57%}
.rth-v13-document-mock>.chart{height:100px;background:linear-gradient(180deg,#e5f2fb,#fff)}
.rth-v13-status-chip{display:inline-block;padding:.35rem .6rem;border-radius:999px;background:#fff2bf;color:#6e5310!important;font-size:.75rem;font-weight:800}
.rth-v13-status-note,.rth-v13-public-disclaimer{margin-top:1.5rem;padding:1rem 1.2rem;border-radius:10px;font-size:.82rem}
.rth-v13-status-note{background:rgba(255,255,255,.08);color:rgba(255,255,255,.82)}
.rth-v13-public-disclaimer{background:var(--rth13-paper);color:var(--rth13-muted)}

/* Neurocardiac */
.rth-v13-hero--neuro{background-position:center}
.rth-v13-neuro-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:1rem;align-items:start}
.rth-v13-model-cycle,.rth-v13-cascade{padding:1.5rem}
.rth-v13-model-cycle h2,.rth-v13-cascade h2{color:var(--rth13-navy)}
.rth-v13-model-cycle ol{list-style:none;counter-reset:rthmodel;padding:0;display:grid;gap:.7rem}
.rth-v13-model-cycle li{counter-increment:rthmodel;display:grid;grid-template-columns:46px 1fr;column-gap:.8rem;align-items:start;padding:.85rem;background:var(--rth13-paper);border-radius:10px}
.rth-v13-model-cycle li:before{content:counter(rthmodel);grid-row:1 / span 2;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--rth13-blue);color:#fff;font-weight:900}
.rth-v13-model-cycle li strong{color:var(--rth13-navy)}
.rth-v13-model-cycle li span{color:var(--rth13-muted)}
.rth-v13-cascade>div{display:grid;grid-template-columns:42px 1fr;gap:.7rem;align-items:center;margin:.65rem 0;padding:.7rem;border:1px solid var(--rth13-line);border-radius:10px}
.rth-v13-cascade b{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--rth13-red);color:#fff}
.rth-v13-cascade span strong{display:block;color:var(--rth13-navy)}
.rth-v13-callout{background:var(--rth13-navy);color:#fff;padding:1rem;border-radius:9px;font-weight:700}

/* Children & Educators */
.rth-v13-kids-hero{--rth-hero-image:none;background-image:linear-gradient(90deg,rgba(255,255,255,.98),rgba(255,255,255,.77) 48%,rgba(255,255,255,.12) 70%),var(--rth-hero-image);background-color:#eef9ff;background-size:cover;background-position:center}
.rth-v13-kids-hero__copy{min-height:440px;max-width:620px;display:flex;flex-direction:column;justify-content:center;padding:3rem 0}
.rth-v13-kids-hero h1{margin:0;font-family:Georgia,'Times New Roman',serif;font-size:clamp(3rem,6vw,5.8rem);color:var(--rth13-navy);line-height:.95}
.rth-v13-kids-hero h2{color:var(--rth13-navy);font-size:1.25rem;line-height:1.3}
.rth-v13-kids-traits{background:#fff;border-block:1px solid var(--rth13-line)}
.rth-v13-kids-traits .rth-v13-shell{display:grid;grid-template-columns:repeat(6,1fr)}
.rth-v13-kids-traits span{padding:1rem .7rem;text-align:center;font-size:.78rem;font-weight:800;color:var(--rth13-navy);border-right:1px solid var(--rth13-line)}
.rth-v13-kids-traits span:last-child{border-right:0}
.rth-v13-kids-card{min-height:315px}
.rth-v13-resource-chips{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:.55rem}
.rth-v13-resource-chips li{padding:.65rem;background:var(--rth13-paper);border-radius:8px;text-align:center;color:var(--rth13-navy);font-weight:700;font-size:.82rem}
.rth-v13-kids-roster{padding:1.8rem 0;background:#fff;border-top:1px solid var(--rth13-line)}
.rth-v13-kids-roster p{margin:.25rem 0}
.rth-v13-kids-closing{background:linear-gradient(90deg,#e5f6ff,#fff8d9);padding:3rem 0}
.rth-v13-kids-closing h2{color:var(--rth13-navy);font-size:clamp(2.3rem,5vw,4.4rem);line-height:.95;margin:0 0 1rem}
.rth-v13-kids-closing h2 span{color:var(--rth13-red)}

/* Approved footer */
.rth-v13-footer{background:var(--rth13-navy-deep);color:#fff}
.rth-v13-footer__impact{display:grid;grid-template-columns:repeat(5,1fr);padding:1.3rem 0;border-bottom:1px solid rgba(255,255,255,.16)}
.rth-v13-footer__impact>div{text-align:center;padding:.4rem .8rem;border-right:1px solid rgba(255,255,255,.16)}
.rth-v13-footer__impact>div:last-child{border-right:0}
.rth-v13-footer__impact strong,.rth-v13-footer__impact span{display:block}
.rth-v13-footer__impact strong{color:var(--rth13-gold);font-size:.78rem}
.rth-v13-footer__impact span{font-size:.72rem;color:rgba(255,255,255,.8)}
.rth-v13-footer__grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:2rem;padding:2.6rem 0}
.rth-v13-footer h2{font-family:inherit;font-size:.95rem;text-transform:uppercase;letter-spacing:.03em;color:#fff}
.rth-v13-footer p,.rth-v13-footer a{color:rgba(255,255,255,.78)}
.rth-v13-footer ul{list-style:none;margin:0;padding:0}
.rth-v13-footer li{margin:.4rem 0}
.rth-v13-footer a{text-decoration:none}
.rth-v13-footer a:hover,.rth-v13-footer a:focus-visible{color:#fff}
.rth-v13-footer__specialist{color:var(--rth13-gold)!important;font-weight:800}
.rth-v13-footer__legal{display:flex;gap:1rem;justify-content:space-between;align-items:center;padding:1rem 0 1.5rem;border-top:1px solid rgba(255,255,255,.16);font-size:.72rem;color:rgba(255,255,255,.6)}
.rth-v13-footer__legal nav{display:flex;flex-wrap:wrap;gap:.85rem}

/* WooCommerce boundary keeps the same brand language */
.rth-commerce-boundary{border-left-color:var(--rth13-red)}
.woocommerce .button,.woocommerce button.button,.woocommerce input.button{background-color:var(--rth13-red);color:#fff}

/* Accessibility */
.rth-v13-button:focus-visible,.rth-v13-nav a:focus-visible,.rth-v13-footer a:focus-visible,.rth-v13-card a:focus-visible{outline:3px solid var(--rth13-gold);outline-offset:3px}

/* Responsive */
@media(max-width:1100px){
  .rth-v13-header__inner{grid-template-columns:auto 1fr auto;grid-template-areas:'brand toggle donate' 'nav nav nav'}
  .rth-v13-menu-toggle{display:inline-flex;justify-self:end}
  .rth-v13-nav{display:none;width:100%;padding-bottom:1rem;justify-self:stretch}
  .rth-v13-nav.is-open{display:block}
  .rth-v13-nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .rth-v13-nav .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-left:2px solid var(--rth13-line);border-radius:0;margin-left:1rem;display:none}
  .rth-v13-nav li:focus-within>.sub-menu,.rth-v13-nav li:hover>.sub-menu{display:block}
  .rth-v13-nav .sub-menu a{white-space:normal}
  .rth-v13-button--donate{justify-self:end}
  .rth-v13-five-grid{grid-template-columns:repeat(3,1fr)}
  .rth-v13-kids-traits .rth-v13-shell{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:860px){
  .rth-v13-hero__grid,.rth-v13-siq-hero,.rth-v13-home-grid,.rth-v13-split,.rth-v13-neuro-grid{grid-template-columns:1fr}
  .rth-v13-hero__art{display:none}
  .rth-v13-hero{background-position:62% center}
  .rth-v13-ecosystem-cards{grid-template-columns:repeat(2,1fr)}
  .rth-v13-four-grid,.rth-v13-secondary-grid{grid-template-columns:repeat(2,1fr)}
  .rth-v13-five-grid,.rth-v13-three-grid{grid-template-columns:repeat(2,1fr)}
  .rth-v13-book-grid{grid-template-columns:repeat(2,1fr)}
  .rth-v13-impact-grid,.rth-v13-footer__impact{grid-template-columns:1fr 1fr}
  .rth-v13-impact-grid>div,.rth-v13-footer__impact>div{border-bottom:1px solid var(--rth13-line)}
  .rth-v13-footer__impact>div{border-bottom-color:rgba(255,255,255,.16)}
  .rth-v13-footer__grid{grid-template-columns:1fr 1fr}
  .rth-v13-footer__legal{align-items:flex-start;flex-direction:column}
  .rth-v13-kids-band__inner>div,.rth-v13-feature--founder>*{max-width:72%}
}
@media(max-width:620px){
  .rth-v13-header__inner{gap:.65rem}
  .rth-v13-brand__mark{width:42px;height:42px}
  .rth-v13-brand__name{font-size:.72rem}
  .rth-v13-button--donate{padding:.6rem .75rem;font-size:.78rem}
  .rth-v13-ecosystem-cards,.rth-v13-four-grid,.rth-v13-secondary-grid,.rth-v13-five-grid,.rth-v13-three-grid,.rth-v13-book-grid,.rth-v13-dashboard,.rth-v13-impact-grid,.rth-v13-footer__impact,.rth-v13-footer__grid,.rth-v13-kids-traits .rth-v13-shell{grid-template-columns:1fr}
  .rth-v13-cycle{grid-template-columns:1fr}
  .rth-v13-hero h1,.rth-v13-kids-hero h1{font-size:clamp(2.6rem,14vw,4rem)}
  .rth-v13-trustline{flex-direction:column}
  .rth-v13-kids-band,.rth-v13-kids-hero{background-position:65% center}
  .rth-v13-kids-band::before{content:'';position:absolute;inset:0;background:rgba(223,245,255,.68)}
  .rth-v13-kids-band__inner{position:relative;z-index:1}
  .rth-v13-kids-band__inner>div,.rth-v13-feature--founder>*{max-width:100%}
  .rth-v13-feature--founder{background-position:65% center}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}