/* English for Fun: marketing site. Lagoon palette, Baloo 2 headings, Be Vietnam Pro body (both self-hosted, both cover Vietnamese). */

@font-face{font-family:"Baloo 2";font-weight:700;font-display:swap;src:url(fonts/baloo-2-vietnamese-700-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Baloo 2";font-weight:700;font-display:swap;src:url(fonts/baloo-2-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-weight:400;font-display:swap;src:url(fonts/be-vietnam-pro-vietnamese-400-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:400;font-display:swap;src:url(fonts/be-vietnam-pro-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-weight:600;font-display:swap;src:url(fonts/be-vietnam-pro-vietnamese-600-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:600;font-display:swap;src:url(fonts/be-vietnam-pro-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --ink:#0E3B46;        /* deep lagoon: text, dark sections */
  --ink-soft:#3E6B75;   /* secondary text */
  --foam:#F2FBF9;       /* page background */
  --sea:#2AA7B8;        /* shallow water */
  --sea-deep:#0B6E7C;   /* links and focus (passes 4.5:1 on foam) */
  --sand:#FFF3D2;       /* warm panels */
  --sun:#FFC83D;        /* the one action colour */
  --sun-edge:#D9A400;
  --coral:#F2705D;
  --line:#CFE7E4;
  --radius:18px;
  --font-head:"Baloo 2","Be Vietnam Pro",system-ui,sans-serif;
  --font-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--foam);color:var(--ink);font:400 1.0625rem/1.65 var(--font-body)}
img{max-width:100%;height:auto}
a{color:var(--sea-deep);text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--sea-deep);outline-offset:3px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:50}
.skip:focus{left:8px;top:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

h1,h2,h3{font-family:var(--font-head);font-weight:700;line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.5rem,6.4vw,4.4rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h3{font-size:1.5rem}
p{margin:0 0 1em;max-width:62ch}
ul,ol{padding-left:1.2em;margin:0 0 1em}
li{margin-bottom:.4em;max-width:62ch}

/* top strip + header */
.preview-bar{background:var(--ink);color:#fff;font-size:.875rem;text-align:center;padding:6px 12px}
.draft-bar{background:var(--sand);border-bottom:2px solid var(--sun);font-size:.9375rem;padding:8px 20px;text-align:center}
.site-header{padding:14px 0}
.site-header .wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:700 1.5rem/1 var(--font-head)}
.brand img{width:40px;height:40px;border-radius:10px}
.nav{display:flex;gap:6px 20px;flex-wrap:wrap;margin-left:auto;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;padding:8px 2px}
.nav a[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--sun)}
.nav a:hover{box-shadow:inset 0 -3px 0 var(--sea)}
.nav .lang{border:2px solid var(--ink);border-radius:999px;padding:4px 12px;font-size:.9rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 26px;border:0;border-radius:999px;background:var(--sun);color:var(--ink);font:700 1.0625rem/1.2 var(--font-body);text-decoration:none;cursor:pointer;box-shadow:0 4px 0 var(--sun-edge);transition:transform .08s,box-shadow .08s}
.btn:hover{color:var(--ink);transform:translateY(2px);box-shadow:0 2px 0 var(--sun-edge)}
.btn[disabled],.btn[aria-disabled="true"]{background:#E3EFED;color:var(--ink-soft);box-shadow:none;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;border:2px solid var(--ink);box-shadow:none}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:none;box-shadow:none}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.2em}

/* hero: the bubble field is the one memorable thing on the page */
.hero{padding:34px 0 70px;background:linear-gradient(180deg,var(--foam) 0,#DDF3F0 100%);position:relative}
.hero .wrap{display:grid;gap:30px;align-items:center}
.hero p.sub{font-size:1.25rem;max-width:34ch}
.bubbles{position:relative;min-height:400px;touch-action:manipulation}
.bubble{position:absolute;left:var(--x);top:var(--y);width:var(--s);height:var(--s);border-radius:50%;border:0;cursor:pointer;
  background:radial-gradient(circle at 32% 28%,#fff 0,rgba(255,255,255,.85) 12%,rgba(42,167,184,.30) 55%,rgba(42,167,184,.55) 100%);
  box-shadow:inset 0 0 0 3px rgba(255,255,255,.7),0 8px 22px rgba(14,59,70,.18);
  color:var(--ink);font:700 calc(var(--s)*.34)/1 var(--font-head);display:flex;align-items:center;justify-content:center;
  animation:bob var(--t,5s) ease-in-out var(--d,0s) infinite alternate}
.bubble:hover{filter:brightness(1.05)}
.bubble.pop{animation:pop .26s ease-out forwards;pointer-events:none}
.bubbles-status{position:absolute;left:0;bottom:0;margin:0;font-weight:600}
.bubbles-status button{all:unset;cursor:pointer;color:var(--sea-deep);text-decoration:underline;text-underline-offset:3px}
.bubbles-status button:focus-visible{outline:3px solid var(--sea-deep);outline-offset:3px}
@keyframes bob{from{transform:translateY(0)}to{transform:translateY(-14px)}}
@keyframes pop{to{transform:scale(1.35);opacity:0;visibility:hidden}}

/* islands: each game is its own organic shape on the water */
.section{padding:64px 0}
.islands{display:grid;gap:24px;margin-top:28px}
.island{position:relative;display:block;text-decoration:none;color:var(--ink);background:#fff;border:2px solid var(--line);padding:38px 40px 32px;min-height:230px;overflow:hidden}
.island::before{content:"";position:absolute;right:-30px;top:-30px;width:130px;height:130px;border-radius:50%;background:var(--c);opacity:.28}
.island:hover{border-color:var(--c);color:var(--ink)}
.island h3{margin-bottom:.25em;position:relative}
.island p{position:relative;max-width:36ch}
.pill{display:inline-block;position:relative;background:var(--sand);border-left:6px solid var(--c);padding:6px 12px;border-radius:8px;font-size:.9375rem;font-weight:600}
.island:nth-child(1){border-radius:22% 78% 52% 48% / 26% 40% 60% 74%}
.island:nth-child(2){border-radius:26% 74% 46% 54% / 30% 24% 76% 70%}
.island:nth-child(3){border-radius:20% 80% 60% 40% / 24% 34% 66% 76%}
.island:nth-child(4){border-radius:28% 72% 50% 50% / 34% 28% 72% 66%}
.island:nth-child(5){border-radius:24% 76% 44% 56% / 28% 38% 62% 72%}
.island:nth-child(6){border-radius:22% 78% 58% 42% / 32% 26% 74% 68%}

.steps{list-style:none;counter-reset:s;padding:0;display:grid;gap:22px;margin-top:24px}
.steps li{counter-increment:s;position:relative;padding-left:64px;max-width:none}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:46px;height:46px;border-radius:50%;background:var(--sun);display:flex;align-items:center;justify-content:center;font:700 1.5rem/1 var(--font-head)}
.steps h3{margin-bottom:.15em}

.two-col{display:grid;gap:24px}
.plain-list{list-style:none;padding:0}
.plain-list li{padding:12px 0;border-top:1px solid var(--line)}
.plain-list li:last-child{border-bottom:1px solid var(--line)}

.band{background:var(--ink);color:#fff;padding:60px 0}
.band a{color:#fff}
.band p{color:#D6ECEA}

/* page heads */
.page-head{padding:40px 0 20px}
.page-head h1{font-size:clamp(2.2rem,5vw,3.4rem)}
.crumbs{font-size:.9375rem;margin-bottom:12px}

/* game page */
.game-hero{padding:30px 0 50px;position:relative;overflow:hidden}
.game-hero::before{content:"";position:absolute;right:-90px;top:-90px;width:380px;height:380px;border-radius:50%;background:var(--c,var(--sea));opacity:.22}
.game-hero .wrap{position:relative}
.facts{list-style:none;padding:0;display:flex;gap:8px 22px;flex-wrap:wrap;margin:1em 0}
.facts li{font-weight:600;margin:0}
.panel{background:var(--sand);border-radius:var(--radius);padding:22px 24px;margin-bottom:20px}
.panel h2,.panel h3{margin-bottom:.3em}
details{border-top:1px solid var(--line);padding:14px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{font-weight:600;cursor:pointer}
details p{margin:.6em 0 0}
.card-list{display:grid;gap:16px;margin-top:20px}
.mini{display:block;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:18px 20px;text-decoration:none;color:var(--ink)}
.mini:hover{border-color:var(--sea);color:var(--ink)}
.mini h3{font-size:1.25rem;margin-bottom:.2em}
.mini p{margin:0}

/* forms and pricing */
.lanes{display:grid;gap:22px;margin-top:24px}
.lane{background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:26px}
label{display:block;font-weight:600;margin:14px 0 6px}
input[type=text],input[type=email],select,textarea{width:100%;min-height:50px;padding:10px 14px;border:2px solid var(--ink-soft);border-radius:12px;font:inherit;background:#fff;color:var(--ink)}
.field-hint{font-size:.9375rem;color:var(--ink-soft)}
.msg{margin-top:14px;padding:12px 14px;border-radius:12px;font-weight:600}
.msg.ok{background:#DDF3E6;border:2px solid #3FA66B}
.msg.err{background:#FDE7E3;border:2px solid var(--coral)}
.kv{display:grid;grid-template-columns:auto 1fr auto;gap:8px 14px;align-items:center;margin:14px 0}
.kv dt{font-weight:600}
.kv dd{margin:0;word-break:break-all}
.copy{min-height:40px;padding:6px 14px;border-radius:10px;border:2px solid var(--ink);background:#fff;font:600 .9375rem var(--font-body);cursor:pointer}
code,.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1em;background:#E7F4F2;padding:2px 6px;border-radius:6px}
.lane h2{font-size:1.5rem}
.price{font:700 1.5rem/1.2 var(--font-head);color:var(--sea-deep)}

/* footer */
.site-footer{border-top:2px solid var(--line);padding:36px 0 44px;margin-top:40px;font-size:.9375rem}
.site-footer .wrap{display:grid;gap:24px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer h2{font:700 1.0625rem var(--font-body);margin-bottom:.4em}

@media(min-width:760px){
  .islands{grid-template-columns:repeat(3,1fr)}
  .island:nth-child(3n+2){margin-top:32px}
  .steps{grid-template-columns:repeat(3,1fr)}
  .two-col{grid-template-columns:1fr 1.2fr;gap:50px}
  .card-list{grid-template-columns:repeat(2,1fr)}
  .lanes{grid-template-columns:1fr 1fr}
  .site-footer .wrap{grid-template-columns:2fr 1fr 1fr}
}
@media(min-width:960px){
  .hero{padding:50px 0 90px}
  .hero .wrap{grid-template-columns:1.05fr 1fr}
  .bubbles{min-height:420px}
  .card-list{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:520px){
  .nav{margin-left:0}
  .kv{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .bubble{animation:none}
  .bubble.pop{animation:none;opacity:0;visibility:hidden}
  .btn{transition:none}
}

textarea{min-height:140px;resize:vertical}
select{appearance:auto}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.small{margin-top:18px;font-size:.9rem;color:var(--ink-soft)}

/* topic pages */
.num-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:12px;margin:18px 0 8px;padding:0;list-style:none}
.num-grid button{width:100%;display:flex;flex-direction:column;align-items:center;gap:2px;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:14px 8px 12px;cursor:pointer;font:inherit;color:var(--ink)}
.num-grid button:hover{border-color:var(--c,var(--sea))}
.num-grid button.playing{border-color:var(--c,var(--sea));background:var(--sand)}
.num-grid .n{font-family:var(--font-head);font-weight:700;font-size:2.4rem;line-height:1;color:var(--c,var(--ink))}
.num-grid .w{font-weight:600}
.num-grid .h{font-size:.8rem;color:var(--ink-soft)}
.topic-hero{border-bottom:6px solid var(--c,var(--sea))}
.num-grid .n.emoji{font-size:2.3rem}
.num-grid .n.shape{color:var(--c,var(--ink));line-height:0}
.num-grid .n.swatch{width:46px;height:46px;border-radius:50%;border:2px solid rgba(0,0,0,.08)}
.say-list{list-style:none;padding:0;margin:18px 0 8px;display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.say-list button{width:100%;display:flex;align-items:center;gap:14px;text-align:left;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:12px 16px;cursor:pointer;font:inherit;color:var(--ink)}
.say-list button:hover,.say-list button.playing{border-color:var(--c,var(--sea))}
.say-list button.playing{background:var(--sand)}
.say-list .n{font-size:1.9rem;line-height:1;flex:none}
.say-list .w{font-weight:600}
.topic-cards{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.topic-cards .mini{border-left:6px solid var(--c,var(--sea))}