/* the mobile menu, opened by the burger: links and sign-in below the bar */
@media (max-width:980px){
  .nav.open .wrap{flex-wrap:wrap;height:auto;min-height:70px;padding-top:14px;padding-bottom:18px;row-gap:16px}
  .nav.open .nav-links{display:flex;flex-direction:column;gap:14px;width:100%;order:10;font-size:17px}
  .nav.open .nav-cta{display:flex;width:100%;order:11;margin-left:0}
  .nav.open .nav-cta .login{padding:0}
  .nav.open .nav-cta .btn{display:none}
}

/* pricing: three plans, centred */
.tiers3{grid-template-columns:repeat(3,minmax(0,1fr));max-width:1040px;margin-left:auto;margin-right:auto}
.tier ul:only-of-type{margin-top:0}
.tier .btn-dark{color:#fff}
@media (max-width:980px){.tiers3{grid-template-columns:minmax(0,1fr);max-width:420px}}

/* prices in the visitor's currency: the page says which, the switch changes it */
html:not([data-currency="cad"]) .cad,html[data-currency="cad"] .usd{display:none}
.cur-toggle button{font:inherit;border:0;background:none;cursor:pointer;padding:8px 16px;border-radius:999px;color:var(--ink-3)}
.cur-toggle button.on{background:var(--ink);color:#fff}
.tier .price small:first-child{margin-right:4px}

/* for schools */
.sch2-hero{padding:72px 0 80px}
.sch2-hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.sch2-hero h1{font-size:clamp(38px,5vw,64px)}
.sch2-hero .lead{margin-top:18px;max-width:560px}
.sch2-hero .hero-ctas{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
.sch2-board{position:relative;padding:22px 22px 18px}
.sch2-table{width:100%;border-collapse:collapse;margin-top:10px;font-size:13px}
.sch2-table th{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);text-align:left;font-weight:700;padding:6px 6px 8px;border-bottom:1.5px solid var(--ink)}
.sch2-table td{padding:9px 6px;border-bottom:1px solid var(--line)}
.sch2-table tr:last-child td{border-bottom:0}
.sk{display:inline-block;font-size:11.5px;font-weight:600;padding:3px 8px;border-radius:999px;white-space:nowrap}
.sk-m{background:var(--green-soft);color:#14684a}.sk-d{background:var(--amber-soft);color:#8a5c00}.sk-n{background:var(--gray-soft);color:var(--ink-3)}
.sch2-why{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;max-width:1000px;margin:0 auto}
.sch2-why>div{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 26px 24px}
.sch2-why h3{font-size:21px}
.sch2-why p{margin-top:10px;color:var(--ink-2);font-size:16px}
.sch2-demo{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sch2-cta{display:flex;justify-content:center}
.sch2-price{text-align:center;margin-top:22px;color:var(--ink-2);font-size:15.5px}
.sch2-price a{color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.sch2-paths{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:760px;margin:0 auto}
.sch2-paths .tier{text-align:center}
.sch2-paths .tier .for{min-height:0}
@media (max-width:980px){.sch2-hero .wrap{grid-template-columns:1fr;gap:40px}.sch2-why,.sch2-paths{grid-template-columns:minmax(0,1fr)}}
@media (max-width:640px){.sch2-hero .hero-ctas .btn{width:100%}.sch2-table{font-size:12px}.sch2-table th,.sch2-table td{padding-left:3px;padding-right:3px}}
.sch2-sheets{display:flex;flex-direction:column;gap:20px;max-width:540px;margin-left:auto;width:100%;font-size:1.08em}
.sch2-sheets .pp{padding:18px 20px}
.sch2-sheets .pp:nth-child(2){margin-left:28px}
.sch2-sheets .pp:nth-child(3){margin-left:56px}
.sch2-fine{text-align:center;color:var(--ink-3);font-size:14.5px;margin-top:26px}
.sch2-record .wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.sch2-record h2{font-size:clamp(28px,3.2vw,40px)}
.sch2-record p{margin-top:14px;color:var(--ink-2);font-size:18px;max-width:460px}
@media (max-width:980px){.sch2-record .wrap{grid-template-columns:1fr;gap:32px}.sch2-sheets{margin:0 auto}.sch2-sheets .pp:nth-child(n){margin-left:0}}

/* curriculum pages */
.cur-hero{padding:56px 0 64px}
.cur-hero h1{font-size:clamp(34px,4.6vw,58px);max-width:900px;margin-top:12px}
.cur-hero .lead{margin-top:18px;max-width:760px}
.cur-hero .hero-ctas{margin-top:26px}
.cur-strip{margin-top:18px;font-family:var(--f-mono);font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ink-2)}
.cur-note{margin-top:12px;color:var(--ink-3);font-size:15px}
.cur-sources-h{font-size:20px;margin-bottom:16px}
.crumbs{font-size:14px;color:var(--ink-3);margin-bottom:18px}
.crumbs a{text-decoration:underline;text-underline-offset:3px}
.cur-grades{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:960px;margin:0 auto}
.cur-grade{display:block;background:#fff;border:1px solid var(--ink);padding:22px 22px 20px}
.cur-grade:hover{background:var(--paper)}
.cur-grade-name{display:block;font-family:var(--f-display);font-weight:700;font-size:24px}
.cur-grade-meta{display:block;margin-top:6px;color:var(--ink-3);font-size:14.5px}
.cur-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cur-two{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start}
.cur-two h2{font-size:clamp(26px,3vw,36px)}
.cur-two p{margin-top:12px;color:var(--ink-2);font-size:17px}
.cur-sources{list-style:none;display:flex;flex-direction:column;gap:14px}
.cur-sources a,.cur-source a{font-weight:600;text-decoration:underline;text-underline-offset:3px}
.cur-sources span{display:block;color:var(--ink-3);font-size:14px}
.cur-area{padding:48px 0}
.cur-area h2{font-size:clamp(26px,3vw,34px);margin-bottom:20px}
.cur-outcomes{display:flex;flex-direction:column;gap:16px}
.cur-outcome{background:#fff;border:1px solid var(--ink);padding:20px 22px}
.cur-outcome header{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:baseline}
.cur-code{font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:var(--ink);color:#fff;padding:3px 8px;white-space:nowrap}
.cur-outcome header p{font-size:16.5px}
.cur-official{font-size:13.5px;color:var(--ink-3);text-decoration:underline;text-underline-offset:3px;white-space:nowrap}
.cur-skills{list-style:none;margin-top:14px;border-top:1px solid var(--line)}
.cur-skills li{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.cur-skills li:last-child{border-bottom:0}
.cur-skill{font-size:15.5px}
.cur-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.cur-versions{display:flex;gap:2px}
.cur-versions a{display:inline-grid;place-items:center;width:26px;height:26px;border:1px solid var(--line);font-family:var(--f-mono);font-size:12px;color:var(--ink-2)}
.cur-versions a:hover{border-color:var(--ink);color:var(--ink)}
.cur-none{margin-top:12px;color:var(--ink-3);font-size:14.5px}
.cur-nav{display:flex;flex-direction:column;gap:12px;font-size:16px}
.cur-nav a{font-weight:600}
.cur-source{color:var(--ink-3);font-size:14px;margin-top:8px}
@media (max-width:980px){.cur-grades{grid-template-columns:repeat(2,minmax(0,1fr))}.cur-two{grid-template-columns:1fr}.cur-outcome header{grid-template-columns:1fr}}
@media (max-width:640px){.cur-grades{grid-template-columns:1fr}.cur-skills li{flex-direction:column;align-items:flex-start}.cur-actions{flex-wrap:wrap}}

/* the public worksheet generator */
.gen{padding-bottom:88px}
.gen-card{margin-top:32px;background:#fff;border:1px solid var(--ink);padding:26px 26px 28px;max-width:720px}
.gen-used{border-left:4px solid var(--hl);background:var(--paper);padding:12px 14px;margin-bottom:18px;font-size:15.5px}
.gen-used a,.gen-err a{font-weight:600;text-decoration:underline;text-underline-offset:3px}
.gen-grades{display:flex;flex-wrap:wrap;gap:6px}
.gen-grades a{border:1px solid var(--line-2);padding:8px 12px;font-size:14.5px}
.gen-grades a[aria-current]{background:var(--ink);color:#fff;border-color:var(--ink)}
.gen-form{margin-top:20px;display:flex;flex-direction:column;gap:16px}
.gen-form label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:14.5px}
.gen-form select{font:inherit;font-weight:400;font-size:16px;border:1px solid var(--line-2);background:#fff;padding:11px 12px;color:var(--ink)}
.gen-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.gen-form .btn{align-self:flex-start;margin-top:4px}
.gen-err{color:var(--ink);background:var(--paper);border-left:4px solid var(--ink);padding:8px 12px;font-size:14.5px}
.gen-result{display:grid;grid-template-columns:1fr 520px;gap:48px;align-items:start}
.gen-result h1{font-size:clamp(30px,3.6vw,46px)}
.gen-more{margin-top:36px;border-top:1px solid var(--line);padding-top:24px;max-width:520px}
.gen-more h2{font-size:24px}
.gen-more p{margin:8px 0 16px;color:var(--ink-2)}
.gen-preview{background:#fff;border:1px solid var(--ink);box-shadow:6px 6px 0 -1px var(--paper),6px 6px 0 0 var(--ink)!important;aspect-ratio:8.5/10;overflow:hidden;position:relative}
/* the sheet inside fits itself to this width (the embed script), so only the height is set here */
.gen-preview iframe{position:absolute;inset:0;width:100%;height:100%;border:0;pointer-events:none}
@media (max-width:980px){.gen-result{grid-template-columns:1fr}.gen-preview{max-width:520px}}
@media (max-width:640px){.gen-row{grid-template-columns:1fr}.gen-form .btn{width:100%}}
.cur-samples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;max-width:1080px;margin:0 auto}
.cur-sample{display:block}
.cur-sample-img{display:block;background:#fff;border:1px solid var(--ink);box-shadow:5px 5px 0 -1px var(--paper),5px 5px 0 0 var(--ink)!important;aspect-ratio:600/700;overflow:hidden}
.cur-sample-img img{width:100%;height:auto;display:block}
.cur-sample-cap{display:block;margin-top:14px;font-size:15px;color:var(--ink-2)}
.cur-sample-cap b{display:block;color:var(--ink);font-family:var(--f-display);font-size:18px}
.cur-sample:hover .cur-sample-img{border-width:2px}
@media (max-width:980px){.cur-samples{grid-template-columns:1fr;max-width:420px}}

/* a real Axis worksheet, as a picture of its first page */
.pp.real{padding:0;background:#fff}
.pp.real img{display:block;width:100%;height:auto}

/* a plan name is the pricing page's section heading, at the size the cards were designed for */
.tier h2.tier-name{font-size:21px;letter-spacing:-.01em;line-height:1.2}

/* the hero headline gets the room to run two or three words a line; the cards keep their composition */
@media (min-width:981px){
  .hero2 .wrap{grid-template-columns:1fr 1fr;gap:44px}
  .hero2 h1{font-size:clamp(44px,4.2vw,58px)}
  .hero2 .comp-wrap{--s:.8}
}
@media (min-width:1280px){.hero2 .comp-wrap{--s:.86}}

/* the hero's worksheet card: an AXIS worksheet, drawn in its own parts (band, title, name strip,
   numbered squares on ruled rows) at a size that reads, with one student's handwritten answers */
.c-sheet.axs{padding:12px 14px 14px}
.axs-band{display:flex;align-items:center;gap:8px;padding-bottom:7px}
.axs-logo{display:inline-flex;align-items:center;gap:4px;font-family:var(--f-body);font-weight:500;font-size:11px;letter-spacing:-.01em}
.axs-kick{padding-left:8px;border-left:1px solid var(--line);font-family:var(--f-mono);font-weight:600;font-size:8px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.axs-title{font-family:var(--f-body);font-weight:800;font-size:19px;letter-spacing:-.02em;line-height:1.1;margin:2px 0 7px}
.axs-id{display:flex;border:1.3px solid var(--ink);height:27px}
.axs-id>span{position:relative;display:flex;align-items:flex-end;justify-content:flex-end;padding:0 6px 2px}
.axs-id>span+span{border-left:1px solid var(--ink)}
.axs-id em{position:absolute;left:5px;top:2px;font-style:normal;font-family:var(--f-mono);font-weight:600;font-size:6px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.axs-id .hand{font-size:16px;margin-right:auto;padding-left:34px}
.axs-n{flex:3}.axs-d{flex:1.3}.axs-s{flex:1}
.axs-s b{font-size:10px;font-weight:600}
.axs-instr{font-size:11px;margin:9px 0 3px}
.axs-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.axs-q{display:flex;gap:7px;padding:8px 0 9px;border-top:1.2px solid var(--ink)}
.axs-no{flex:0 0 16px;height:16px;display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:#fff;font-family:var(--f-mono);font-weight:600;font-size:8px}
.axs-b{flex:1;display:flex;flex-direction:column;gap:4px;min-width:0}
.axs-eq{font-family:var(--f-mono);font-size:12px;display:flex;align-items:center;gap:4px}
.axs-eq .frac{font-size:12px}
.axs-bar{display:flex;height:11px;border:1px solid var(--ink);width:100%}
.axs-bar i{flex:1;border-right:1px solid var(--ink)}
.axs-bar i:last-child{border-right:0}
.axs-bar i.f{background:var(--ink)}
.axs-box{align-self:flex-end;width:34px;height:22px;border:1.2px solid var(--ink);display:flex;align-items:center;justify-content:center;margin-top:2px}
.axs-box .hand{font-size:16px}

/* Every material on the home page at its real shape: a worksheet, quiz, lesson plan or answer key
   is a US Letter page (8.5 × 11), a slide is a 16:9 screen. What doesn't fit the page isn't shown. */
.comp .pp,.gallery .pp,.right .pp,.groups .pp{aspect-ratio:8.5/11}
.comp .slide,.gallery .slide{aspect-ratio:16/9;display:flex;flex-direction:column}
.comp .slide .sl-body,.gallery .slide .sl-body{flex:1;min-height:0}
.pp.real{display:block}
/* the hero's cards, re-set for their real heights */
.comp{height:745px}
.comp-wrap{height:calc(745px*var(--s))}
.comp .c-sheet{left:0;top:40px}
.comp .c-slide{right:0;top:0}
.comp .c-plan{right:4px;top:206px}
.comp .c-quiz{left:150px;top:438px;width:232px}

/* each student's own sheet, a letter page, fanned in a stack: the front one whole, the others by their tops */
.groups .g-stack{position:relative;aspect-ratio:8.5/11;display:block}
.groups .g-stack .pp.strip{position:absolute;width:calc(100% - 44px)}
.groups .g-stack .pp.strip:nth-child(1){left:0;top:0}
.groups .g-stack .pp.strip:nth-child(2){left:22px;top:34px}
.groups .g-stack .pp.strip:nth-child(3){left:44px;top:68px}
.groups .g-stack .two + .two{margin-top:12px}

/* PrintOut: a page feeding out of a printer slot, top first (src/components/PrintOut.tsx) */
.axis-printer{position:relative;padding-top:16px}
.axis-printer-slot{position:absolute;left:-12px;right:-12px;top:0;height:16px;background:#002500;z-index:3;display:flex;align-items:center;justify-content:center}
.axis-printer-slot::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;background:#000f00}
.axis-printer-slot span{font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace;font-size:9px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#FCFCF8;animation:axis-printing 2.8s ease both}
.axis-printout{animation:axis-feed 2.6s cubic-bezier(.25,.6,.3,1) .45s both}
@keyframes axis-feed{
  0%{clip-path:inset(0 0 100% 0);transform:translateY(-14px)}
  12%{clip-path:inset(0 0 88% 0);transform:translateY(-12px)}
  100%{clip-path:inset(0 0 0 0);transform:translateY(0)}
}
@keyframes axis-printing{0%,70%{opacity:1}100%{opacity:0}}
@media (prefers-reduced-motion:reduce){.axis-printout,.axis-printer-slot span{animation:none}}
/* schools, v3: a single-column hero, the three-student example with its caption, narrow text sections */
.sch3-hero .wrap{grid-template-columns:minmax(0,880px)}
.sch3-hero h1{font-size:clamp(34px,4.4vw,56px)}
.sch3-hero .lead{max-width:760px}
.sch3-hero .lead+.lead{margin-top:14px}
.sch2-record p+p{margin-top:12px}
.sch3-example{margin:0}
.sch3-kicker{font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 14px;max-width:540px;margin-left:auto}
.sch3-cap{max-width:540px;margin:18px 0 0 auto;color:var(--ink-2);font-size:15px}
.sch3-narrow{max-width:760px;text-align:center}
.sch3-narrow h2{font-size:clamp(26px,3vw,36px)}
.sch3-narrow p{margin-top:14px;color:var(--ink-2);font-size:17px}
.sch3-narrow .hero-ctas{justify-content:center;margin-top:26px}
@media (max-width:980px){.sch3-kicker,.sch3-cap{margin-left:0}}
/* pricing, v2: the comparison table and the text sections */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.pr-lead{max-width:820px}
.tier .pr-kick{font-weight:700;font-size:15px;margin-top:6px}
.tier .pr-kick+.for{margin-top:2px}
.pr-cmp-wrap{max-width:1000px;margin:0 auto;overflow-x:auto;background:#fff;border:1px solid var(--ink)}
.pr-cmp{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
.pr-cmp th,.pr-cmp td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:center}
.pr-cmp tbody th{text-align:left;font-weight:500;color:var(--ink)}
.pr-cmp thead th{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:700;border-bottom:1.5px solid var(--ink)}
.pr-cmp thead th:last-child,.pr-cmp td:last-child{background:var(--paper)}
.pr-cmp tbody tr:last-child th,.pr-cmp tbody tr:last-child td{border-bottom:0}
.pr-y{color:var(--green);font-weight:800}
.pr-n{color:var(--ink-3)}
.pr-text{text-align:left}
.pr-text .hero-ctas{justify-content:flex-start}
@media (max-width:640px){.pr-cmp{font-size:13px;min-width:0}.pr-cmp th,.pr-cmp td{padding:10px 6px}.pr-cmp tbody th{width:46%;padding-left:12px}.pr-cmp thead th{font-size:9.5px;letter-spacing:.03em}}
/* the hero, v3: real AXIS output, as it prints: a worksheet, a lesson plan, a test */
.comp.comp3{width:600px;height:700px}
.hero2 .comp-wrap:has(.comp3){height:calc(700px*var(--s))}
.comp3 .pp.real{overflow:visible}
.comp3 .pp.real img{border:1px solid var(--ink)}
.comp3 .c-sheet{left:0;top:56px;width:330px;transform:rotate(-2deg);z-index:3}
.comp3 .c-plan{left:auto;right:0;top:0;width:300px;transform:rotate(1.5deg);z-index:2}
.comp3 .c-quiz{left:200px;top:330px;width:290px;transform:rotate(-.5deg);z-index:4}