/* IELTS Laboratory, Free resources: one shared stylesheet. Lora for H1/H2, Raleway for everything else.
   Blue #4467F5, blue-light #EEF1FD, blue-tint #F9FAFE (page ground), blue-pale #C8D4FD, ink #1A1A2E, grey #6B7280, white cards. */
:root{--blue:#4467F5;--blue-light:#EEF1FD;--blue-tint:#F9FAFE;--blue-pale:#C8D4FD;--ink:#1A1A2E;--grey:#6B7280;
  --display:"Lora",Georgia,serif;--body:"Raleway",Arial,sans-serif;--soft:#6B7280;--abg:#EEF1FD;--a:#4467F5;--hiedge:#4467F5}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--blue-tint);color:var(--ink);font:500 17px/1.65 var(--body);text-align:center;overflow-wrap:break-word}
img{max-width:100%;height:auto}
a{color:var(--blue);font-weight:700}
h1,h2{font-family:var(--display);font-weight:600;line-height:1.15;margin:0}
h3,h4{font-family:var(--body);font-weight:800;line-height:1.3;margin:0}
p{margin:0 0 14px}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}


.band{padding:56px 0}
.band.blue{background:var(--blue);color:#fff}
.band.light{background:var(--blue-light)}
.band.tint{background:var(--blue-tint)}
.band h2{font-size:clamp(26px,4vw,36px);margin-bottom:14px}
.band.blue h1,.band.blue h2,.band.blue p{color:#fff}
.band.blue a:not(.btn){color:#fff}
.hero{padding:60px 0 54px}
.hero h1{font-size:clamp(32px,6vw,54px);max-width:22ch;margin:0 auto 18px;letter-spacing:-.01em}
.eyebrow{font:800 13px/1.2 var(--body);letter-spacing:.16em;text-transform:uppercase;margin:0 0 16px}
.hero .lead{max-width:620px;margin:0 auto 18px;font-size:19px}


.card{background:#fff;border:1px solid var(--blue-pale);border-radius:16px;padding:28px 22px}
.actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;max-width:880px;margin:0 auto}
.actions.one{max-width:520px}
.card.feature{border:2px solid var(--blue)}
.card-title{font:800 21px/1.3 var(--body);margin:0 0 10px;color:var(--ink)}
.card p{max-width:46ch;margin-left:auto;margin-right:auto}

.article{max-width:700px;margin:0 auto;background:#fff;border:1px solid var(--blue-pale);border-radius:16px;padding:36px 28px;overflow-x:auto}
.article>:first-child{margin-top:0}
.article p,.article li{max-width:68ch;margin-left:auto;margin-right:auto}
.article h2{font-size:28px;margin:44px 0 14px}
.article h3{font-size:20px;margin:30px 0 8px}
.article ul,.article ol{padding:0;list-style-position:inside;margin:14px auto;max-width:68ch}
.article li{margin-top:8px;margin-bottom:8px}
.article ol ol{margin:8px auto}
.article b{color:var(--ink)}
.article a{overflow-wrap:anywhere}
.article table{display:block;overflow-x:auto;margin:14px auto;border-collapse:collapse}
.article th,.article td{border:1px solid var(--blue-pale);padding:8px 10px;text-align:center}

.mouth-wrap{max-width:900px;margin:26px auto 0}
.mouth-wrap .mouth-key{justify-content:center;margin:14px 0 0}
.mouth-stage{text-align:center;justify-items:center}
.mouth-stage button{font:800 15px var(--body);min-height:44px;border-radius:12px;padding:9px 18px;cursor:pointer;background:#fff;color:var(--blue);border:2px solid var(--blue-pale)}
.mouth-stage button.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.mouth-stage .row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.mouth-stage .mouth-btns{justify-content:center}
.mouth-stage .mouth-btns button{border-radius:999px;color:var(--ink)}
.mouth-stage .mouth-btns button[aria-pressed="true"]{background:var(--blue);color:#fff;border-color:var(--blue)}
.mouth-stage .mouth-side{justify-items:center}
.mouth-stage .mouth-svg{margin:0 auto}
.mouth-stage .mouth-parts{grid-template-columns:1fr;gap:2px;text-align:center}
.mouth-stage .mouth-parts dt{padding-top:8px}
.mouth-stage .mouth-parts dd{margin:0}
.mouth-stage .mouth-cap b{color:var(--ink)}
.mouth-key span{color:var(--ink)}

/* Hub */
.search{max-width:560px;margin:28px auto 0}
.search input{width:100%;min-height:54px;border-radius:12px;border:2px solid #fff;padding:12px 16px;font:600 17px var(--body);text-align:center;color:var(--ink);background:#fff}
.search input::placeholder{color:var(--grey)}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:0 0 10px}
.chip{font:800 15px var(--body);min-height:44px;padding:8px 18px;border-radius:999px;border:2px solid var(--blue-pale);background:#fff;color:var(--ink);cursor:pointer}
.chip:hover{border-color:var(--blue)}
.chip[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
.count{color:var(--grey);font-size:15px;margin:12px 0 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;list-style:none;padding:0;margin:26px 0 0}
.rcard{display:flex}
.rcard[hidden]{display:none}
.rcard article{display:flex;flex-direction:column;width:100%;background:#fff;border:1px solid var(--blue-pale);border-radius:16px;padding:24px 20px}
.rcard .eyebrow{color:var(--blue);font-size:12px;margin-bottom:10px}
.rcard h3{font-size:21px;margin:0 0 10px;color:var(--ink)}
.rcard p.sum{font-size:16px;line-height:1.55;margin-bottom:18px}
.rlinks{display:flex;flex-direction:column;gap:10px;margin-top:auto}
.empty{margin:30px 0 0;font-size:18px}


@media (max-width:640px){
  .band{padding:44px 0}.hero{padding:44px 0 40px}
  .article{padding:28px 16px}
  .mouth-stage{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.article .toc{background:#fff;border:1px solid #C8D4FD;border-radius:16px;padding:14px 20px;margin:18px auto;max-width:68ch;text-align:left}

.article .toc ol{margin:8px 0 0;padding-left:24px;columns:2;column-gap:28px;list-style:decimal;list-style-position:outside;max-width:none}
.article .toc li{break-inside:avoid;margin:0;padding:3px 0;line-height:1.4}
@media (max-width:640px){.article .toc ol{columns:1}}
.article details.toc summary{cursor:pointer;min-height:44px;display:flex;align-items:center;color:#4467F5}