/* Fonts are served from this site (no request to Google). */
@font-face{font-family:"Shantell Sans";src:url(fonts/ShantellSans-Variable.woff2) format("woff2");font-weight:300 800;font-style:normal;font-display:swap}
@font-face{font-family:Geist;src:url(fonts/Geist-Variable.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:Caveat;src:url(fonts/Caveat-Variable.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap}

html,body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

/* Layout: an exercise book. Graph-paper ground with a red margin rule, marker headings,
   handwritten notes, tape and sticky notes; the product shots sit on it like taped-in screenshots. */
:root{
  --paper:#FDFCF7; --grid:#E6ECF7; --margin:#F3B3A6;
  --ink:#1B1D24; --ink-2:#3A3B3F; --muted:#5F5E5A;
  --card:#FFFFFF; --line:#E4E2DC; --nav-bg:rgba(253,252,247,.88);
  --accent:#2451D6; --accent-ink:#1F46B8; --on-accent:#FFFFFF;
  --pen:#C2410C; --hand-blue:#2451D6; --hand-orange:#A35A00;
  --tape:rgba(255,229,138,.88); --tape-ink:#6B4E00; --hilite:rgba(255,229,138,.95);
  --sticky-y:#FFF3B0; --sticky-b:#DDE7FF; --sticky-p:#FFE1D6; --sticky-g:#DDF1DC; --sticky-ink:#1B1D24; --sticky-muted:#3A3B3F;
  --chalk:#1B1D24; --chalk-line:rgba(255,255,255,.05); --chalk-fg:#FFFFFF; --chalk-muted:#D2D1CC; --chalk-hi:#FFE58A; --chalk-panel:#2A2C33; --chalk-panel-line:#3A3D45;
  --soft-shadow:0 10px 24px rgba(27,29,36,.10);
  /* screenshot surfaces: the app is light, so these stay light in both themes */
  --shot-bg:#FFFFFF; --shot-ink:#18191C; --shot-muted:#5F5E5A; --shot-line:#E4E2DC; --shot-soft:#F8F7F4; --shot-grid:#E7EAF1; --shot-rule:#C7D5FB;

  --f-display:"Shantell Sans","Comic Neue","Trebuchet MS",sans-serif;
  --f-body:Geist,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --f-hand:Caveat,"Segoe Print","Bradley Hand",cursive;
  --f-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --gutter:clamp(16px,5vw,80px);
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#15171C; --grid:#1D2027; --margin:#5A302C;
  --ink:#F2F1EC; --ink-2:#D3D4D9; --muted:#A7A9B0;
  --card:#1F2229; --line:#30343D; --nav-bg:rgba(21,23,28,.88);
  --accent:#7C9BFF; --accent-ink:#A9BCFF; --on-accent:#0E1014;
  --pen:#FF8A5C; --hand-blue:#9DB2FF; --hand-orange:#F0B060;
  --tape:rgba(255,229,138,.8); --hilite:rgba(255,214,90,.45);
  --sticky-y:#F1E3A0; --sticky-b:#CAD7F6; --sticky-p:#EFCFC2; --sticky-g:#CBE3C9;
  --chalk:#0D0E11; --chalk-panel:#1E2026; --chalk-panel-line:#30333B;
  --soft-shadow:0 10px 24px rgba(0,0,0,.4);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --paper:#15171C; --grid:#1D2027; --margin:#5A302C;
  --ink:#F2F1EC; --ink-2:#D3D4D9; --muted:#A7A9B0;
  --card:#1F2229; --line:#30343D; --nav-bg:rgba(21,23,28,.88);
  --accent:#7C9BFF; --accent-ink:#A9BCFF; --on-accent:#0E1014;
  --pen:#FF8A5C; --hand-blue:#9DB2FF; --hand-orange:#F0B060;
  --tape:rgba(255,229,138,.8); --hilite:rgba(255,214,90,.45);
  --sticky-y:#F1E3A0; --sticky-b:#CAD7F6; --sticky-p:#EFCFC2; --sticky-g:#CBE3C9;
  --chalk:#0D0E11; --chalk-panel:#1E2026; --chalk-panel-line:#30333B;
  --soft-shadow:0 10px 24px rgba(0,0,0,.4);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{
  margin:0; font-family:var(--f-body); font-size:17px; line-height:1.55; color:var(--ink);
  background-color:var(--paper);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:32px 32px;
  overflow-x:hidden; position:relative;
}
body::before{content:"";position:absolute;top:0;bottom:0;left:clamp(6px,2.4vw,40px);width:2px;background:var(--margin);pointer-events:none}
a{color:var(--accent-ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;letter-spacing:-.02em}
p{margin:0}
.wrap{max-width:1280px;margin-inline:auto;padding-inline:var(--gutter);position:relative}
.wide{max-width:1440px;margin-inline:auto;padding-inline:var(--gutter);position:relative}
section{padding-block:clamp(64px,9vw,120px)}
.hand{font-family:var(--f-hand)}

/* tape label */
.tape-label{display:inline-flex;align-items:center;min-height:36px;padding:2px 16px;background:var(--tape);color:var(--tape-ink);font-family:var(--f-hand);font-size:clamp(20px,2.2vw,25px);font-weight:700;transform:rotate(-2deg);line-height:1.1}
.tape{position:absolute;width:96px;height:26px;background:var(--tape);pointer-events:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 26px;border-radius:14px;font-family:var(--f-body);font-size:17px;font-weight:600;text-decoration:none;border:2px solid var(--ink);cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}
.btn-primary{background:var(--accent);color:var(--on-accent);box-shadow:4px 4px 0 var(--ink)}
.btn-dark{background:var(--ink);color:var(--paper);box-shadow:4px 4px 0 var(--accent)}
.btn-ghost{background:var(--card);color:var(--ink)}
.btn-primary:hover,.btn-dark:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.btn-dark:hover{box-shadow:2px 2px 0 var(--accent)}
.btn-ghost:hover{background:var(--paper)}
.btn svg{flex-shrink:0}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--nav-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{height:76px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-family:var(--f-display);font-size:21px;font-weight:800;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--paper);display:flex;align-items:center;justify-content:center;transform:rotate(-4deg)}
.nav-links{display:flex;gap:28px;flex:1;font-weight:500;font-size:16px}
.nav-links a,.nav-join{color:var(--ink-2);text-decoration:none}
.nav-links a:hover,.nav-join:hover{color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}
.nav-join{font-weight:600;font-size:16px}
.nav .btn{min-height:46px;padding:0 20px;font-size:16px;border-radius:12px;box-shadow:3px 3px 0 var(--accent)}
.nav .btn:hover{box-shadow:1px 1px 0 var(--accent)}
@media (max-width:900px){.nav-links{display:none}.nav .wrap{justify-content:space-between}}
@media (max-width:480px){.nav-join{display:none}}

/* hero */
.hero{padding-block:clamp(48px,6vw,72px) clamp(72px,8vw,110px);text-align:center}
.hero-copy{display:flex;flex-direction:column;align-items:center}
.hero h1{display:flex;flex-direction:column;align-items:center;font-size:inherit;font-weight:inherit;line-height:inherit;letter-spacing:0}
.hero h1 .tape-label{font-size:clamp(20px,2.2vw,25px);line-height:1.1}
.h1-main{display:block;margin-top:28px;font-weight:800;font-size:clamp(46px,7.6vw,108px);line-height:1.02;letter-spacing:-.03em;max-width:16ch}
.mark{position:relative;display:inline-block;color:var(--accent);white-space:nowrap}
.mark svg{position:absolute;left:-2%;width:104%;bottom:-.14em;height:.3em;overflow:visible}
.mark path{stroke:var(--accent);stroke-dasharray:420;stroke-dashoffset:0;animation:draw .9s .35s ease-out backwards}
@keyframes draw{from{stroke-dashoffset:420}to{stroke-dashoffset:0}}
.hero-lede{margin-top:40px;font-size:clamp(18px,1.6vw,21px);color:var(--ink-2);max-width:40em}
.cta-row{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.cta-note{margin-top:16px;font-family:var(--f-hand);font-size:22px;line-height:1.15;color:var(--hand-blue)}
.subjects{margin-top:36px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 12px;font-size:15px;color:var(--muted)}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;border:1.5px solid var(--ink);background:var(--card);color:var(--ink);font-weight:600;font-size:15px}

/* hero screenshot row */
.shot-row{margin-top:clamp(56px,7vw,88px);display:grid;grid-template-columns:150px minmax(0,1fr) 150px;grid-template-areas:"l shot r";gap:28px;align-items:stretch;text-align:left}
.shot-wrap{grid-area:shot;position:relative}
.shot-frame{border:2px solid var(--ink);border-radius:18px;background:var(--shot-bg);box-shadow:8px 8px 0 var(--ink);overflow:hidden}
.shot-wrap .tape.t1{left:-18px;top:-12px;transform:rotate(-9deg)}
.shot-wrap .tape.t2{right:-18px;top:-10px;transform:rotate(8deg)}
.note{font-family:var(--f-hand);font-size:27px;line-height:1.08;font-weight:500}
.note-l{grid-area:l;align-self:center;color:var(--hand-blue);transform:rotate(-4deg);display:flex;flex-direction:column;gap:10px}
.note-r{grid-area:r;display:flex;flex-direction:column;justify-content:space-between;gap:24px;padding-block:20px}
.note-r .n1{color:var(--hand-blue);transform:rotate(3deg)}
.note-r .n2{color:var(--hand-orange);transform:rotate(-3deg)}
.note svg{display:block}
.note .arrow-mobile{display:none}
@media (max-width:1180px){
  .shot-row{grid-template-columns:1fr 1fr;grid-template-areas:"shot shot" "l r";gap:28px 40px}
  .note-l,.note-r .n1,.note-r .n2{transform:none}
  .note-r{padding:0;justify-content:flex-start}
  .note .arrow-desk{display:none}
  .note{font-size:24px;display:flex;gap:10px;align-items:flex-start}
  .note-l{flex-direction:row}
  .note .arrow-mobile{display:block;flex-shrink:0;margin-top:2px}
}
@media (max-width:640px){.shot-row{grid-template-columns:1fr;grid-template-areas:"shot" "l" "r";gap:22px}.shot-frame{box-shadow:5px 5px 0 var(--ink)}}

/* scaled fixed-size mockups */
.fit{position:relative;width:100%;max-width:100%;overflow:hidden}
.fit-inner{position:absolute;left:0;top:0;transform-origin:0 0;transform:scale(var(--k,1))}

/* paper patterns (light, like the app) */
.p-sq{background-color:#fff;background-image:linear-gradient(var(--shot-grid) 1px,transparent 1px),linear-gradient(90deg,var(--shot-grid) 1px,transparent 1px);background-size:36px 36px;background-position:0 6px}
.p-sq-s{background-color:#fff;background-image:linear-gradient(#DDE3EF 1px,transparent 1px),linear-gradient(90deg,#DDE3EF 1px,transparent 1px);background-size:14px 14px}
.p-lined{background-color:#fff;background-image:linear-gradient(var(--shot-rule) 1px,transparent 1px);background-size:100% 30px;background-position:0 14px}
.p-lined-s{background-color:#fff;background-image:linear-gradient(var(--shot-rule) 1px,transparent 1px);background-size:100% 13px}
.p-dot{background-color:#fff;background-image:radial-gradient(#9C9B97 1.2px,transparent 1.5px);background-size:14px 14px}
.p-iso{background-color:#fff;background-image:linear-gradient(60deg,transparent 48%,#DDE3EF 49%,#DDE3EF 51%,transparent 52%),linear-gradient(-60deg,transparent 48%,#DDE3EF 49%,#DDE3EF 51%,transparent 52%),linear-gradient(90deg,transparent 48%,#DDE3EF 49%,#DDE3EF 51%,transparent 52%);background-size:14px 24px}

/* section heads */
.head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px 72px;align-items:end;margin-bottom:clamp(40px,5vw,64px)}
.head h2{font-weight:800;font-size:clamp(38px,5vw,64px);line-height:1.04}
.head p{font-size:clamp(17px,1.4vw,19px);color:var(--ink-2);max-width:34em}
.hl{background:linear-gradient(transparent 56%,var(--hilite) 56%);padding:0 .12em}
@media (max-width:860px){.head{grid-template-columns:1fr}}

/* subject cards */
.subject-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.subject{background:var(--card);border:2px solid var(--ink);border-radius:18px;box-shadow:6px 6px 0 var(--ink);overflow:hidden;display:flex;flex-direction:column}
.subject .mini{aspect-ratio:26/15;max-width:100%;border-bottom:2px solid var(--ink);position:relative}
.subject .mini svg{position:absolute;inset:0;width:100%;height:100%}
.subject .txt{padding:20px 22px 24px;display:flex;flex-direction:column;gap:6px}
.subject h3{font-size:24px;font-weight:700}
.subject p{font-size:16px;color:var(--ink-2)}
@media (max-width:1100px){.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.subject-grid{grid-template-columns:1fr}}

/* tools */
.tool-group+.tool-group{margin-top:clamp(56px,6vw,80px)}
.group-label{display:flex;align-items:center;gap:16px;margin-bottom:34px;font-family:var(--f-hand);font-size:clamp(26px,2.4vw,32px);font-weight:700;color:var(--hand-blue)}
.group-label::after{content:"";flex:1;height:2px;background:repeating-linear-gradient(90deg,var(--hand-blue) 0 10px,transparent 10px 18px);opacity:.6}
.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px 28px}
.tcard{position:relative;background:var(--card);border:1px solid var(--line);box-shadow:var(--soft-shadow);padding:30px 22px 26px;display:flex;flex-direction:column;gap:14px;transition:transform .15s ease}
.tcard:hover{transform:translateY(-3px)}
.tcard .tape{left:50%;top:-13px;margin-left:-48px;transform:rotate(-3deg)}
.tcard:nth-child(even) .tape{transform:rotate(2.5deg)}
.illus{aspect-ratio:13/8;max-width:100%;border:1.5px solid var(--ink);border-radius:10px;background:var(--shot-bg);overflow:hidden;position:relative}
.illus>svg{position:absolute;inset:0;width:100%;height:100%}
.illus .swatches{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:18px 16px 30px;background:var(--shot-soft)}
.illus .swatches div{border:1px solid #DCDAD3;border-radius:6px}
.illus .swatch-labels{position:absolute;left:16px;right:16px;bottom:7px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;text-align:center;font-size:11px;font-weight:600;color:var(--shot-muted)}
.tcard h3{font-size:21px;font-weight:700;line-height:1.15}
.tcard p{font-size:15.5px;color:var(--ink-2)}
@media (max-width:1180px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.tool-grid{grid-template-columns:1fr}}

/* classroom chalkboard */
.chalk{margin-inline:clamp(0px,2vw,24px);border-radius:28px;border:2px solid var(--ink);box-shadow:8px 8px 0 var(--accent);background-color:var(--chalk);background-image:linear-gradient(var(--chalk-line) 1px,transparent 1px),linear-gradient(90deg,var(--chalk-line) 1px,transparent 1px);background-size:32px 32px;color:var(--chalk-fg);padding:clamp(40px,6vw,96px) clamp(22px,5vw,80px);display:grid;grid-template-columns:minmax(0,470px) minmax(0,1fr);gap:clamp(40px,5vw,72px);align-items:center}
.chalk .tape-label{align-self:flex-start}
.chalk-copy{display:flex;flex-direction:column;gap:24px}
.chalk h2{font-weight:800;font-size:clamp(38px,4.4vw,56px);line-height:1.06}
.chalk h2 span{color:var(--chalk-hi)}
.chalk-copy>p{font-size:18px;color:var(--chalk-muted)}
.steps{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:18px}
.steps li{display:flex;gap:16px;align-items:flex-start;font-size:17px;line-height:1.45}
.steps .num{width:36px;height:36px;flex-shrink:0;border-radius:99px;border:2px solid var(--chalk-hi);color:var(--chalk-hi);display:flex;align-items:center;justify-content:center;font-family:var(--f-display);font-weight:700;font-size:16px}
.steps li:nth-child(1) .num{transform:rotate(-6deg)}.steps li:nth-child(2) .num{transform:rotate(5deg)}.steps li:nth-child(3) .num{transform:rotate(-4deg)}
.steps .t{padding-top:6px}
.steps b{font-weight:600}
.steps .t span{color:var(--chalk-muted)}
.roster-col{display:flex;flex-direction:column;align-items:flex-end;min-width:0}
.roster{width:100%;border-radius:18px;background:var(--chalk-panel);border:1px solid var(--chalk-panel-line);padding:22px;display:flex;flex-direction:column;gap:16px}
.roster-top{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.roster-top .ttl{font-size:15px;font-weight:600;flex:1}
.code{display:inline-flex;align-items:center;height:34px;padding:0 12px;border-radius:8px;border:1.5px dashed var(--chalk-hi);color:var(--chalk-hi);font-family:var(--f-mono);font-size:14px;letter-spacing:.12em}
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.tile{position:relative;aspect-ratio:10/8.6;max-width:100%;background:#fff;border-radius:10px;padding:9px 12px 30px;color:#18191C;font-family:var(--f-hand);font-size:clamp(16px,1.4vw,20px);line-height:1.12;overflow:hidden}
.tile .ok{color:#2451D6}
.tile .who{position:absolute;left:10px;bottom:6px;font-family:var(--f-body);font-size:12px;font-weight:600;color:#3A3B3F}
.tile.flag{box-shadow:0 0 0 3px #D9480F}
.pin{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:99px 99px 99px 3px;background:#D9480F;color:#fff;font-family:var(--f-body);font-size:11px;font-weight:700}
.tile .pin{position:absolute;right:10px;top:10px}
.comment{margin-top:-10px;margin-right:clamp(0px,2vw,24px);width:min(270px,100%);background:var(--sticky-b);color:var(--sticky-ink);padding:16px 18px 20px;box-shadow:0 16px 36px rgba(0,0,0,.35);transform:rotate(2.5deg);position:relative;z-index:1}
.comment .who{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.06em;color:#1F46B8}
.comment .msg{font-family:var(--f-hand);font-size:27px;line-height:1.1;margin-top:8px}
@media (max-width:980px){.chalk{grid-template-columns:1fr}}
@media (max-width:520px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}.tiles .tile:nth-child(n+5){display:none}}

/* tablets */
.tablet-sec{display:grid;grid-template-columns:minmax(0,540px) minmax(0,1fr);gap:clamp(48px,7vw,96px);align-items:center}
.tablet-col{display:flex;flex-direction:column;gap:22px}
.tablet-stage{position:relative;padding-right:40px;padding-bottom:40px}
.tablet{border-radius:34px;background:#1B1D24;padding:16px;box-shadow:10px 10px 0 var(--accent)}
.tablet .fit{border-radius:20px}
.screen{width:488px;height:348px;padding:40px 40px 0;color:#18191C;font-family:var(--f-hand)}
.screen .t1{font-size:30px;color:#5F5E5A}
.screen .eq{font-size:40px;line-height:1.3;letter-spacing:.01em;margin-top:12px}
.screen .eq.b{color:#2451D6;padding-left:30px;margin-top:4px}
.screen sub{font-size:.62em;vertical-align:-.28em;line-height:0;margin:0 .04em}
.screen .ul{width:320px;height:14px;margin:4px 0 0 30px}
.pencil{position:absolute;right:120px;bottom:0;width:16px;height:220px;border-radius:8px;background:#E9E8E3;border:1.5px solid #1B1D24;transform:rotate(28deg);transform-origin:bottom center}
.pencil::after{content:"";position:absolute;left:3px;bottom:-12px;border-left:4px solid transparent;border-right:4px solid transparent;border-top:12px solid #1B1D24}
.tablet-note{font-family:var(--f-hand);font-size:27px;line-height:1.1;color:var(--hand-orange);transform:rotate(-2deg);align-self:flex-start;padding-left:8px}
.tablet-sec h2{font-weight:800;font-size:clamp(38px,4.4vw,56px);line-height:1.06}
.points{display:flex;flex-direction:column;gap:24px;margin-top:30px}
.point{display:flex;gap:18px}
.point svg{flex-shrink:0;margin-top:2px;color:var(--accent)}
.point h3{font-size:21px;font-weight:700;letter-spacing:-.01em}
.point p{font-size:17px;color:var(--ink-2);margin-top:4px}
@media (max-width:980px){.tablet-sec{grid-template-columns:1fr}.tablet-col{max-width:540px}}

/* sticky notes */
.stickies{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(28px,4vw,48px)}
.sticky{padding:30px 30px 34px;box-shadow:0 12px 26px rgba(27,29,36,.14);color:var(--sticky-ink)}
.sticky h3{font-size:27px;font-weight:700;line-height:1.15}
.sticky p{margin-top:12px;font-size:16px;color:var(--sticky-muted)}
.sticky.y{background:var(--sticky-y);transform:rotate(-2deg)}
.sticky.b{background:var(--sticky-b);transform:rotate(1.5deg)}
.sticky.p{background:var(--sticky-p);transform:rotate(-1deg)}
.sticky.g{background:var(--sticky-g);transform:rotate(1.2deg)}
.stickies{grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(24px,2.6vw,36px)}
.stickies .sticky{padding:26px 24px 30px}
.stickies .sticky h3{font-size:24px}
@media (max-width:1180px){.stickies{grid-template-columns:repeat(2,minmax(0,1fr));max-width:820px;margin-inline:auto}}
@media (max-width:640px){.stickies{grid-template-columns:1fr;max-width:520px}}

/* homework CTA */
.homework{max-width:860px;margin-inline:auto;background:var(--sticky-y);color:var(--sticky-ink);padding:clamp(32px,5vw,56px) clamp(22px,5vw,64px) clamp(36px,5vw,60px);box-shadow:0 18px 40px rgba(27,29,36,.16);transform:rotate(-1deg);display:flex;flex-direction:column;gap:24px}
.homework .due{font-family:var(--f-hand);font-size:30px;font-weight:700;color:#6B4E00}
.homework h2{font-weight:800;font-size:clamp(36px,5vw,62px);line-height:1.08}
.homework .mark{color:#2451D6}
.homework .mark path{stroke:#2451D6}
.checks{display:flex;flex-direction:column;gap:12px;font-family:var(--f-hand);font-size:clamp(25px,2.6vw,32px);line-height:1.1;margin-top:6px}
.checks label{display:flex;align-items:center;gap:14px;cursor:pointer}
.checks input{width:24px;height:24px;flex-shrink:0;accent-color:#2451D6}
.checks input:checked+span{text-decoration:line-through;text-decoration-color:#C2410C;text-decoration-thickness:2px}
.hw-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:6px}
.homework .btn-dark{background:#1B1D24;color:#FFFFFF;border-color:#1B1D24;box-shadow:4px 4px 0 #2451D6}
.homework .btn-dark:hover{box-shadow:2px 2px 0 #2451D6}
.join{display:flex;align-items:center;gap:8px;min-height:58px;padding:6px 6px 6px 16px;border-radius:14px;background:#FFFFFF;border:2px solid #1B1D24;color:#1B1D24;flex-wrap:wrap}
.join label{font-size:15px;font-weight:600}
.join input{width:140px;min-width:0;flex:1;height:40px;border:none;outline:none;font-size:16px;font-family:var(--f-mono);letter-spacing:.08em;background:transparent;color:#1B1D24}
.join button{height:44px;padding:0 18px;border-radius:10px;border:none;background:#2451D6;color:#FFFFFF;font-size:15px;font-weight:600;font-family:var(--f-body);cursor:pointer}
.homework .hw-demo{background:#FFFFFF;color:#1B1D24;border-color:#1B1D24}
.join-msg:empty{display:none}
.join-msg a{color:#1F46B8;font-weight:600}
.join-msg{font-size:15px;color:#3A3B3F;min-height:1.4em}

/* footer */
footer{border-top:2px solid var(--ink);background:var(--paper);position:relative}
footer .wrap{padding-block:40px;display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px;font-size:15px;color:var(--muted)}
footer .fname{font-family:var(--f-display);font-size:19px;font-weight:800;color:var(--ink)}
footer .grow{flex:1;min-width:220px}
footer nav{display:flex;flex-wrap:wrap;gap:12px 28px}
footer a{color:var(--ink-2);text-decoration:none}
footer a:hover{text-decoration:underline}

/* ---- selling points update ---- */
:root{--accent-soft:#EAF0FF;--us-row:#FFF6C8}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--accent-soft:#23304F;--us-row:#3A3620}}
:root[data-theme="dark"]{--accent-soft:#23304F;--us-row:#3A3620}

.proof{list-style:none;margin:30px 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 28px;font-size:16px;color:var(--ink-2)}
.proof li{display:flex;align-items:center;gap:8px}
.proof svg{color:var(--accent);flex-shrink:0}
.proof b{color:var(--ink);font-weight:700}

.why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 28px}
.why{background:var(--card);border:2px solid var(--ink);border-radius:18px;box-shadow:6px 6px 0 var(--ink);padding:28px 26px 24px;display:flex;flex-direction:column;gap:12px}
.why .ico{width:52px;height:52px;border-radius:14px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;border:1.5px solid var(--ink);transform:rotate(-3deg)}
.why:nth-child(even) .ico{transform:rotate(3deg)}
.why h3{font-size:clamp(23px,2vw,26px);font-weight:800;line-height:1.1;margin-top:4px}
.why p{font-size:16px;color:var(--ink-2)}
.why .scribble{margin-top:auto;padding-top:6px;font-family:var(--f-hand);font-size:23px;line-height:1.1;color:var(--hand-blue);display:flex;gap:8px;align-items:flex-start}
.why .scribble svg{flex-shrink:0;margin-top:3px}
@media (max-width:1100px){.why-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.why-grid{grid-template-columns:1fr}}

.switch{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(44px,6vw,80px);align-items:start}
.switch h2{font-weight:800;font-size:clamp(36px,4.4vw,56px);line-height:1.06;margin-top:22px}
.switch .lede{margin-top:18px;font-size:18px;color:var(--ink-2)}
.move-steps{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:16px}
.move-steps li{display:flex;gap:14px;align-items:flex-start;font-size:17px;line-height:1.45}
.move-steps .num{width:34px;height:34px;flex-shrink:0;border-radius:99px;border:2px solid var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--f-display);font-weight:700;font-size:15px;margin-top:-4px}
.move-steps b{font-weight:600}
.switch-cta{margin-top:32px;display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.src{font-size:13px;color:var(--muted)}
.src a{color:var(--muted)}
.freecard{background:var(--card);border:2px solid var(--ink);border-radius:18px;box-shadow:6px 6px 0 var(--ink);padding:30px 26px 22px;position:relative;min-width:0}
.freecard .tape{left:50%;top:-13px;margin-left:-48px;transform:rotate(-2deg)}
.freecard h3{font-size:24px;font-weight:700}
.freecard table{width:100%;border-collapse:collapse;margin-top:14px;font-size:15.5px;line-height:1.4}
.freecard th,.freecard td{text-align:left;padding:12px 10px;border-top:1px solid var(--line);vertical-align:top}
.freecard thead th{font-family:var(--f-body);font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);border-top:0;padding-top:4px}
.freecard tbody th{font-weight:600;width:38%}
.freecard tr.us th,.freecard tr.us td{background:var(--us-row);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);color:var(--ink);font-weight:700}
.freecard .src{margin-top:14px}
@media (max-width:980px){.switch{grid-template-columns:1fr}}

.support{white-space:nowrap}
@media (max-width:420px){.support{white-space:normal;word-break:break-all}}

/* ================= shared additions: search pages, screenshots, FAQ ================= */
.nav-links a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}
@media (max-width:1040px){.nav-links{gap:20px}}

/* real screenshots */
.shot-frame img{display:block;width:100%;height:auto}
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:44px 36px}
.gallery figure,.fig{margin:0}
.gallery .shot-frame,.fig .shot-frame{box-shadow:6px 6px 0 var(--ink);border-radius:14px}
.gallery figcaption,.fig figcaption{margin-top:16px;font-family:var(--f-hand);font-size:25px;line-height:1.1;color:var(--hand-blue)}
@media (max-width:760px){.gallery{grid-template-columns:1fr}}

/* a single tool shown large, with a real screenshot */
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:clamp(32px,5vw,72px);align-items:center}
.feature-copy h3{font-weight:800;font-size:clamp(28px,3vw,38px);line-height:1.1}
.feature-copy>p{margin-top:16px;font-size:18px;color:var(--ink-2)}
.feature-copy ul.ticks li{font-size:17px;color:var(--ink-2)}
.feature-shot{position:relative;margin:0}
.feature-shot .shot-frame{box-shadow:8px 8px 0 var(--ink)}
.feature-shot .tape{left:50%;top:-13px;margin-left:-48px;transform:rotate(-3deg)}
@media (max-width:980px){.feature{grid-template-columns:1fr}.feature-shot .shot-frame{box-shadow:5px 5px 0 var(--ink)}}

/* links inside headings and cards */
.why h3 a,.subject h3 a{color:inherit;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:4px}
.why h3 a:hover,.subject h3 a:hover{color:var(--accent-ink)}
.more{margin-top:22px;font-size:17px;font-weight:600}
.more a{text-underline-offset:4px}
.chalk .more a{color:var(--chalk-hi)}

/* "popular uses" and "keep reading" cards */
.uses-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}
.use{display:flex;flex-direction:column;gap:8px;background:var(--card);border:2px solid var(--ink);border-radius:16px;box-shadow:5px 5px 0 var(--ink);padding:22px 22px 20px;text-decoration:none;color:var(--ink);transition:transform .12s ease,box-shadow .12s ease}
.use:hover{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--ink)}
.use b{font-family:var(--f-display);font-size:21px;font-weight:700;line-height:1.15;letter-spacing:-.01em}
.use span{font-size:15.5px;line-height:1.45;color:var(--ink-2)}
.use i{margin-top:auto;padding-top:6px;font-style:normal;font-size:15px;font-weight:600;color:var(--accent-ink)}
@media (max-width:1100px){.uses-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.uses-grid{grid-template-columns:1fr}}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 28px;align-items:start}
.faq-item{background:var(--card);border:1px solid var(--line);box-shadow:var(--soft-shadow);padding:22px 24px 24px}
.faq-item h3{font-size:21px;font-weight:700;line-height:1.2;letter-spacing:-.01em}
.faq-item p{margin-top:8px;font-size:16.5px;color:var(--ink-2)}
@media (max-width:820px){.faq-grid{grid-template-columns:1fr}}

/* footer with link columns */
footer .wrap.foot{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:36px 40px;align-items:start;padding-block:52px 44px}
.foot p{margin-top:8px}
.foot-h{font-family:var(--f-display);font-weight:700;font-size:16px;color:var(--ink);margin:0 0 10px}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.foot li a{display:inline-block;padding:5px 0}
@media (max-width:900px){footer .wrap.foot{grid-template-columns:1fr 1fr}}
@media (max-width:520px){footer .wrap.foot{grid-template-columns:1fr}}

/* ---- search pages ---- */
.page-hero{padding-block:clamp(36px,5vw,60px) clamp(40px,5vw,64px)}
.crumbs{font-size:15px;color:var(--muted);margin-bottom:26px}
.crumbs a{color:var(--muted)}
.page-hero .h1-main{font-size:clamp(38px,5.8vw,76px);line-height:1.04;max-width:19ch}
.page-shot{position:relative;max-width:980px;margin:clamp(48px,6vw,72px) auto 0}
.page-shot.narrow{max-width:560px}
.page-shot .tape.t1{left:-18px;top:-12px;transform:rotate(-9deg)}
.page-shot .tape.t2{right:-18px;top:-10px;transform:rotate(8deg)}
@media (max-width:640px){.page-shot .tape,.shot-wrap .tape{width:70px}.page-shot .tape.t1,.shot-wrap .tape.t1{left:-8px}.page-shot .tape.t2,.shot-wrap .tape.t2{right:-8px}}

.prose{max-width:820px;margin-inline:auto;padding-bottom:clamp(56px,7vw,96px)}
.block{padding-block:0;margin-top:clamp(48px,6vw,76px)}
.block:first-child{margin-top:0}
.block h2{font-weight:800;font-size:clamp(29px,3.5vw,42px);line-height:1.1}
.block p,.block li{font-size:18px;line-height:1.6;color:var(--ink-2)}
.block>p{margin-top:16px}
.block b{color:var(--ink);font-weight:600}
.block .fig{margin-top:30px}
.fig.narrow{max-width:520px}
.block p.src{font-size:13px;color:var(--muted);margin-top:10px}
ul.ticks{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
ul.ticks li{position:relative;padding-left:36px}
ul.ticks li::before{content:"";position:absolute;left:8px;top:.32em;width:7px;height:14px;border:solid var(--accent);border-width:0 3px 3px 0;transform:rotate(45deg)}
ol.steps-list{list-style:none;counter-reset:step;margin:22px 0 0;padding:0;display:flex;flex-direction:column;gap:18px}
ol.steps-list li{counter-increment:step;position:relative;padding-left:52px;min-height:36px}
ol.steps-list li::before{content:counter(step);position:absolute;left:0;top:-3px;width:34px;height:34px;border-radius:99px;border:2px solid var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--f-display);font-weight:700;font-size:15px;line-height:1;color:var(--ink)}
.table-scroll{margin-top:22px;overflow-x:auto;background:var(--card);border:2px solid var(--ink);border-radius:14px;box-shadow:6px 6px 0 var(--ink)}
table.cmp{width:100%;min-width:540px;border-collapse:collapse;font-size:16px;line-height:1.4}
table.cmp th,table.cmp td{text-align:left;padding:14px 16px;border-top:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
table.cmp thead th{border-top:0;font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
table.cmp tbody th{font-weight:600;color:var(--ink);width:25%}
table.cmp td:nth-child(2){background:var(--us-row);color:var(--ink);font-weight:600}
table.cmp thead th:nth-child(2){background:var(--us-row);color:var(--ink)}
@media (max-width:640px){table.cmp{min-width:0;font-size:14.5px}table.cmp th,table.cmp td{padding:11px 9px}table.cmp tbody th{width:24%}}
.block .faq-list{margin-top:22px;display:flex;flex-direction:column;gap:16px}
.block .faq-item p{font-size:17px}
.related{padding-block:0 clamp(56px,7vw,96px)}
.related h2{font-weight:800;font-size:clamp(29px,3.5vw,42px);line-height:1.1;margin-bottom:30px}

/* ---- privacy page ---- */
.policy{max-width:780px;padding-block:clamp(40px,6vw,72px) clamp(64px,8vw,110px)}
.policy h1{font-weight:800;font-size:clamp(44px,6vw,72px);line-height:1;margin-top:24px}
.policy .updated{margin-top:12px;color:var(--muted);font-size:15px}
.policy h2{font-weight:800;font-size:clamp(26px,3vw,32px);line-height:1.15;margin-top:48px}
.policy h3{font-family:var(--f-body);font-weight:700;font-size:18px;letter-spacing:0;margin-top:26px}
.policy p,.policy li{font-size:17px;line-height:1.6;color:var(--ink-2)}
.policy p{margin-top:12px}
.policy ul{margin:12px 0 0;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.policy b{color:var(--ink);font-weight:600}
.policy .summary{margin-top:36px;background:var(--sticky-y);color:var(--sticky-ink);padding:26px 30px 30px;box-shadow:0 12px 26px rgba(27,29,36,.12);transform:rotate(-.6deg)}
.policy .summary h2{margin-top:0;color:var(--sticky-ink)}
.policy .summary li{color:var(--sticky-muted)}