/* Layout: deep-teal hero with a "lesson at a glance" slide card, six colour-coded collections, what's-in-every-lesson strip, waitlist card, footer. */
:root{
  --bg:#FBFAF6; --surface:#FFFFFF; --ink:#16323A; --muted:#55676C; --line:#E3E6E2;
  --hero:#0F5E6B; --hero-ink:#F4FBFA; --hero-muted:#BFE0DF; --sun:#F5B321; --sun-ink:#2A1F00;
  --teal:#0F8B8D; --coral:#F26B4F; --fern:#3FA34D; --sky:#2F80C8; --plum:#8E5BD0;
  --c-pron:#F0B429; --c-func:#2C9DB0; --c-topic:#F0904A; --c-biz:#D64545; --c-acad:#1E5FA8; --c-irish:#7CC142;
  --tint:12%;
  --display:"Young Serif", Cambria, Georgia, serif;
  --body:"Figtree", Calibri, "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0E1A1D; --surface:#15252A; --ink:#E9F1F0; --muted:#A3B6B8; --line:#26393E;
  --hero:#0B4650; --hero-ink:#F4FBFA; --hero-muted:#A8D3D2; --tint:22%; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1A1D; --surface:#15252A; --ink:#E9F1F0; --muted:#A3B6B8; --line:#26393E;
  --hero:#0B4650; --hero-ink:#F4FBFA; --hero-muted:#A8D3D2; --tint:22%; color-scheme:dark}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.15;text-wrap:balance;margin:0}
p{margin:0}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}

/* Hero */
.hero{background:var(--hero);color:var(--hero-ink)}
.hero .wrap{padding-block:28px 64px}
.nav{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:48px}
.logo{font-family:var(--display);font-size:22px;display:flex;align-items:center;gap:10px}
.logo-dot{width:14px;height:14px;border-radius:50%;background:var(--sun);box-shadow:10px 0 0 var(--coral)}
.logo span{margin-left:10px}
.nav a{color:var(--hero-ink);font-weight:600;text-decoration:none;border-bottom:2px solid var(--sun)}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center}
.hero-grid>*{min-width:0}
.hero .eyebrow{color:var(--sun)}
.hero h1{font-size:clamp(38px,6vw,64px);margin:14px 0 20px}
.hero h1 em{font-style:normal;color:var(--sun)}
.hero p.lead{font-size:19px;color:var(--hero-muted);max-width:34em}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;font:600 16px var(--body);padding:14px 22px;border-radius:999px;border:0;cursor:pointer;text-decoration:none}
.btn-sun{background:var(--sun);color:var(--sun-ink)}
.btn-sun:hover{filter:brightness(1.06)}
.btn:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
.hero .small{font-size:14px;color:var(--hero-muted)}

/* Slide card */
.slide{background:var(--surface);color:var(--ink);border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.28);display:grid;grid-template-columns:132px 1fr;transform:rotate(1.2deg)}
.slide-side{background:#16323A;color:#F4FBFA;padding:18px 16px;display:flex;flex-direction:column;gap:10px;font-size:13px}
.slide-side b{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--sun);font-weight:700}
.slide-main{padding:18px 18px 14px;min-width:0}
.slide-main h3{font-size:20px;margin-bottom:10px}
.flow{display:grid;gap:7px;font-size:13.5px}
.flow div{display:grid;grid-template-columns:30px 1fr;gap:8px;align-items:center}
.num{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:12px;color:#fff}
.slide-foot{margin-top:12px;padding-top:8px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}

/* Sections */
section{padding-block:72px}
.sec-head{max-width:640px;margin-bottom:36px}
.sec-head h2{font-size:clamp(30px,4vw,42px);margin:10px 0 12px}
.sec-head p{color:var(--muted)}

.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.cat-top{background:var(--c);height:10px}
.cat-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat h3{font-size:22px}
.cat p{color:var(--muted);font-size:15.5px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:6px}
.chip{font-size:13px;font-weight:600;padding:4px 10px;border-radius:999px;background:color-mix(in srgb,var(--c) var(--tint),transparent);color:var(--ink)}

.inbox{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.inbox>div{display:flex;flex-direction:column;gap:8px}
.icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:color-mix(in srgb,var(--c) var(--tint),transparent);color:var(--c);font-weight:700;font-family:var(--display);font-size:20px}
.inbox h3{font-size:19px}
.inbox p{color:var(--muted);font-size:15.5px}

.about{background:color-mix(in srgb,var(--sun) 14%,var(--bg))}
.about .wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:48px;align-items:start}
.about .wrap>*{min-width:0}
.about blockquote{margin:0;font-family:var(--display);font-size:clamp(24px,3vw,32px);line-height:1.3}
.about ul{margin:0;padding-left:20px;display:grid;gap:8px;color:var(--ink)}

/* Waitlist */
.join{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:var(--hero);color:var(--hero-ink);border-radius:24px;padding:44px clamp(20px,4vw,48px)}
.join>*{min-width:0}
.join h2{font-size:clamp(28px,4vw,40px);margin:10px 0 14px}
.join .eyebrow{color:var(--sun)}
.join p{color:var(--hero-muted)}
form{display:grid;gap:12px}
label{font-size:14px;font-weight:600}
input,select{width:100%;font:16px var(--body);padding:13px 14px;border-radius:12px;border:1px solid transparent;background:#FFFFFF;color:#16323A}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row2>div,form>div{display:grid;gap:6px}

.ml-block-form{display:grid;gap:12px}
.ml-form-formContent{display:grid;gap:12px}
.ml-field-group{display:grid;gap:6px}
.ml-form-embedSubmit{display:grid}
.ml-error input{border-color:#FF8A73 !important;box-shadow:0 0 0 2px #FF8A73}
.ml-error label{color:#FFC2B5}
.row-success{display:grid;gap:8px}
.row-success p{color:var(--hero-muted)}
.row-success .ok-title{font-family:var(--display);font-size:26px;color:var(--sun)}
.msg{font-size:15px;min-height:1.4em}
.msg.ok{color:var(--sun);font-weight:600}
.msg.err{color:#FFC2B5}


.navlinks{display:flex;gap:18px}
.btn-ghost{background:transparent;color:var(--hero-ink);box-shadow:inset 0 0 0 2px var(--hero-muted)}
.btn-ghost:hover{box-shadow:inset 0 0 0 2px var(--sun)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.chipbtn{font:600 15px var(--body);padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.chipbtn span{color:var(--muted);font-weight:500;margin-left:4px;font-variant-numeric:tabular-nums}
.prod[hidden]{display:none}
.chipbtn.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chipbtn.on span{color:inherit;opacity:.7}
.chipbtn:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px}
.prod{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;--k:var(--sky)}
.prod.k-vocab{--k:var(--c-topic)}.prod.k-academic{--k:var(--c-acad)}.prod.k-pron{--k:var(--c-pron)}.prod.k-writing{--k:var(--plum)}.prod.k-bundle{--k:var(--sun)}
.prod.k-bundle{border-color:color-mix(in srgb,var(--sun) 55%,var(--line))}
.cover{display:block;aspect-ratio:16/9;background:color-mix(in srgb,var(--k) var(--tint),var(--surface));max-width:100%}
.cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease}
.prod:hover .cover img{transform:scale(1.03)}
.pbody{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1;min-width:0}
.meta{display:flex;gap:8px;align-items:center}
.tag{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:999px;background:color-mix(in srgb,var(--k) 22%,transparent);color:var(--ink)}
.lvl{font-size:13px;font-weight:700;color:var(--muted)}
.prod h3{font-size:20px}
.sub{font-size:14px;font-weight:600;color:var(--k)}
.k-bundle .sub{color:var(--ink)}
.desc{font-size:14.5px;color:var(--muted);line-height:1.5}
.buy{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px}
.price{font-family:var(--display);font-size:22px;font-variant-numeric:tabular-nums}
.price.free{color:var(--fern)}
.btn-buy{background:var(--ink);color:var(--bg);padding:10px 16px;font-size:15px}
.btn-buy:hover{background:var(--teal);color:#fff}
.shopnote{margin-top:24px;color:var(--muted);font-size:14px}
.shopnote a{color:var(--teal);font-weight:600}
@media (max-width:560px){.navlinks a:first-child{display:none}.grid{grid-template-columns:1fr;gap:16px}}
@media (prefers-reduced-motion:reduce){.cover img{transition:none}}
footer{padding-block:36px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}

@media (max-width:860px){
  .hero-grid,.about .wrap,.join{grid-template-columns:1fr}
  .cats{grid-template-columns:repeat(2,1fr)}
  .inbox{grid-template-columns:repeat(2,1fr)}
  .slide{transform:none}
}
@media (max-width:560px){
  .cats,.inbox,.row2{grid-template-columns:1fr}
  .slide{grid-template-columns:1fr}
  .slide-side{flex-direction:row;flex-wrap:wrap;gap:14px}
  section{padding-block:52px}
}
@media (prefers-reduced-motion:no-preference){
  .slide{transition:transform .4s ease}
  .slide:hover{transform:rotate(0deg) translateY(-4px)}
}

.topbar{background:var(--hero);color:var(--hero-ink)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:18px}
.topbar a{color:var(--hero-ink);text-decoration:none}
.topbar .navlinks a{font-weight:600;border-bottom:2px solid var(--sun)}
.crumbs{font-size:14px;color:var(--muted);padding-block:22px 0}
.crumbs a{color:var(--teal);text-decoration:none;font-weight:600}
.lesson{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:start;padding-block:22px 56px}
.lesson>*{min-width:0}
.lcover{border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;max-width:100%;background:var(--surface)}
.lcover img{width:100%;height:100%;object-fit:cover;display:block}
.lesson h1{font-size:clamp(30px,4.2vw,44px);margin:10px 0 6px}
.lsub{font-weight:600;color:var(--teal);font-size:17px}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.facts span{font-size:14px;font-weight:600;padding:6px 12px;border-radius:999px;background:color-mix(in srgb,var(--teal) var(--tint),transparent)}
.buybox{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:18px 20px;border-radius:16px;background:var(--surface);border:1px solid var(--line);margin:8px 0 22px}
.buybox .price{font-size:30px}
.buybox .note{font-size:13.5px;color:var(--muted);flex-basis:100%}
.prose{max-width:62ch}
.prose p{margin:0 0 14px}
.prose h2{font-size:24px;margin:26px 0 10px}
.prose ul{margin:0 0 16px;padding-left:20px;display:grid;gap:6px}
.prose .small{font-size:14px;color:var(--muted)}
.related h2{font-size:clamp(24px,3vw,32px);margin-bottom:18px}
.minis{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.mini{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--ink);padding-bottom:14px}
.mini img{aspect-ratio:16/9;object-fit:cover;width:100%;height:auto;margin-bottom:8px}
.mini>span,.mini>strong{padding-inline:14px}
.mtag{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.mini strong{font-family:var(--display);font-weight:400;font-size:18px;line-height:1.2}
.msub{font-size:14px;color:var(--teal);font-weight:600}
.mprice{font-family:var(--display);font-size:18px;margin-top:4px}
.mini:hover{border-color:var(--teal)}
@media (max-width:860px){.lesson{grid-template-columns:1fr;gap:24px}}

@media (max-width:560px){.nav,.topbar .wrap{flex-wrap:wrap;row-gap:10px}.navlinks a{white-space:nowrap}.logo{white-space:nowrap}}

.plink{color:inherit;text-decoration:none}.plink:hover{color:var(--teal)}
.prod.k-listening,.lesson.k-listening,.mini.k-listening{--k:var(--sky)}.prod.k-irish,.lesson.k-irish,.mini.k-irish{--k:var(--c-irish)}.prod.k-functional,.lesson.k-functional,.mini.k-functional{--k:var(--c-func)}
.prod.k-worksheets,.lesson.k-worksheets,.mini.k-worksheets{--k:var(--sun)}