/* Hallmark v2.0.0 · critique: warm editorial classroom system with one strong action and restrained cards */
/* Hallmark · dismissed 58 · expanded FAQ answers stay collapsed until teachers request them */
/* Hallmark · answered F3 · resource previews use varied subject motifs instead of repeated decorative cards */
:root {
  --ink: #1d3354;
  --paper: #f6efdf;
  --cream: #fff9ec;
  --pencil: #5c564f;
  --line: #e2d8c2;
  --teal: #087f78;
  --teal-deep: #06615c;
  --coral: #e2694f;
  --coral-deep: #b4432c;
  --mustard: #e9b44c;
  --night: #15233a;
  --white: #fffdf8;
  --focus: #15233a;
  --shadow: rgba(29, 51, 84, 0.12);
  --font-display: 'Source Serif 4', Georgia, serif;
  --font-sans: 'Source Sans 3', system-ui, sans-serif;
}
@font-face{font-family:'Source Sans 3';src:url('/assets/fonts/source-sans-3.woff2') format('woff2');font-style:normal;font-weight:400 700;font-display:swap}
@font-face{font-family:'Source Serif 4';src:url('/assets/fonts/source-serif-4.woff2') format('woff2');font-style:normal;font-weight:600 700;font-display:swap}
*{box-sizing:border-box}
html,body{margin:0;overflow-x:clip}
body{background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:18px;line-height:1.55}
a{color:var(--teal-deep);text-underline-offset:.2em}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
a:active,button:active{transform:translateY(1px)}button:disabled,input:disabled,select:disabled{background:var(--line);color:var(--pencil);opacity:.72;cursor:not-allowed}
.skip{position:absolute;left:1rem;top:-5rem;background:var(--night);color:var(--white);padding:.75rem 1rem;z-index:20}.skip:focus{top:1rem}
.shell{width:min(1120px,calc(100% - 2rem));margin-inline:auto}
.site-head{border-bottom:1px solid var(--line);background:var(--cream)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{font-family:var(--font-display);font-weight:700;font-size:1.45rem;color:var(--ink);text-decoration:none;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:1.25rem}.nav-links a{font-size:1rem;color:var(--ink)}.nav-links a.button{color:var(--cream)}
.button{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:.4rem 1.1rem;border:2px solid var(--night);background:var(--night);color:var(--cream);font-weight:700;text-decoration:none;border-radius:6px;cursor:pointer;white-space:nowrap}
.button.secondary{background:transparent;color:var(--teal-deep)}
.hero{padding:clamp(3.5rem,8vw,7rem) 0 4rem;min-height:calc(100dvh - 72px);display:grid;align-items:center}.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:clamp(2rem,6vw,5rem);align-items:center}
h1,h2,h3{font-family:var(--font-display);line-height:1.08;margin:0;color:var(--ink);overflow-wrap:break-word;min-width:0;text-wrap:balance}
h1{font-size:clamp(2.8rem,6vw,5.25rem);max-width:13ch}h2{font-size:clamp(2rem,4vw,3.15rem)}h3{font-size:1.45rem}
.lede{max-width:59ch;font-size:clamp(1.05rem,2vw,1.28rem);color:var(--pencil);margin:1.35rem 0 1.75rem}
.proof{font-size:.95rem;color:var(--pencil);margin-top:1rem}
.lesson-board{background:var(--cream);border:1px solid var(--line);padding:1.25rem;box-shadow:12px 12px 0 var(--mustard);transform:rotate(1deg)}
.board-title{font-family:var(--font-display);font-size:1.65rem;font-weight:700;margin-bottom:1rem}
.equation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}.tile{min-height:96px;display:grid;place-items:center;background:var(--white);border:1px solid var(--line);font-family:var(--font-display);font-size:1.6rem;font-weight:700}.tile:nth-child(2){background:var(--teal);color:var(--white)}
.section{padding:4.5rem 0}.section.cream{background:var(--cream)}.section-head{max-width:700px;margin-bottom:2.25rem}.section-head p{color:var(--pencil)}
.hero + .section,.section#how{min-height:1000px;display:grid;align-items:center}
.benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem}.benefit{border-top:4px solid var(--coral-deep);padding-top:1.1rem}.benefit p{color:var(--pencil)}
.steps{counter-reset:steps;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}.step{counter-increment:steps;padding:1.5rem;border-left:1px solid var(--line)}.step:before{content:counter(steps);display:grid;place-items:center;width:44px;height:44px;background:var(--mustard);color:var(--night);font-weight:700;border-radius:50%;margin-bottom:1rem}
.catalog-tools{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem}.catalog-tools label{font-weight:700}.catalog-tools select,.catalog-tools input{display:block;min-height:48px;margin-top:.35rem;padding:.55rem;border:2px solid var(--line);background:var(--white);font:inherit;color:var(--ink)}
.catalog{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.resource{display:grid;grid-template-columns:104px minmax(0,1fr);gap:1.1rem;background:var(--white);border:1px solid var(--line);padding:1rem}.resource-art{min-height:110px;background:var(--teal);color:var(--white);display:grid;place-items:center;font-family:var(--font-display);font-size:1.55rem;font-weight:700}.resource:nth-child(3n+2) .resource-art{background:var(--coral-deep)}.resource:nth-child(3n) .resource-art{background:var(--night)}
.resource p{margin:.4rem 0;color:var(--pencil);font-size:1rem}.availability{font-weight:700;color:var(--coral-deep);font-size:.95rem}.resource a{display:inline-block;min-height:44px;padding-top:.5rem;font-weight:700}
.faq{max-width:none;min-height:900px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1.5rem}.faq .section-head{grid-column:1/-1}.faq details{border-top:1px solid var(--line);padding:3.5rem 0}.faq summary{min-height:44px;cursor:pointer;font-weight:700}.faq p{color:var(--pencil)}
.final{background:var(--night);color:var(--white);text-align:center;min-height:500px;display:grid;align-items:center}.final h2{color:var(--white);margin-bottom:1rem;font-size:clamp(3rem,7vw,6rem)}.final p{margin:0 auto 1.5rem;max-width:70ch;color:var(--paper)}
.site-foot{background:var(--cream);padding:2rem 0;border-top:1px solid var(--line);font-size:.95rem;color:var(--pencil)}
.holding{min-height:100vh;display:grid;grid-template-rows:auto 1fr auto}.holding main{display:grid;place-items:center}.holding-card{padding:4rem 0;max-width:760px}.holding-card h1{max-width:14ch}.holding-mark{width:88px;height:88px;display:grid;place-items:center;background:var(--mustard);border-radius:50%;font-family:var(--font-display);font-size:2rem;font-weight:700;margin-bottom:2rem}
.detail{padding:3rem 0}.crumbs{font-size:.95rem;margin-bottom:2rem}.player-shell{margin-top:2rem;border:1px solid var(--line);background:var(--cream);padding:1rem}.player-shell iframe{display:block;width:100%;min-height:420px;border:1px solid var(--line);background:var(--white)}
.notice{border:1px solid var(--mustard);padding:1rem 1.25rem;background:var(--cream);max-width:70ch}
@media(max-width:760px){.faq{grid-template-columns:minmax(0,1fr)}}
@media(max-width:760px){body{font-size:17px}.nav{align-items:flex-start;padding:1rem 0}.nav-links{gap:.6rem;flex-wrap:wrap;justify-content:flex-end}.hero{padding-top:3rem}.hero-grid,.benefits,.steps,.catalog{grid-template-columns:minmax(0,1fr)}.lesson-board{transform:none;box-shadow:7px 7px 0 var(--mustard)}.resource{grid-template-columns:84px minmax(0,1fr)}.resource-art{min-height:96px}.section{padding:3rem 0}.player-shell iframe{min-height:520px}}
@media(max-width:430px){.shell{width:min(100% - 1.25rem,1120px)}.nav-links a:not(.button){display:none}.nav .button{font-size:.88rem;padding-inline:.65rem}.resource{grid-template-columns:1fr}.resource-art{min-height:72px}h1{font-size:2.65rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}