/* Young Kings Exchange — Empire Green system
   Deep channel greens + gold + warm reds, Kente accents.
   System font stacks only: zero external requests, works offline. */

:root{
  --green-950:#04170f;
  --green-900:#06231a;
  --green-850:#082b1f;
  --green-800:#0b3524;
  --green-700:#0f4d2e;
  --green:#177a4c;
  --green-bright:#2fbf71;
  --gold:#ffc61a;
  --gold-soft:#ffd95e;
  --gold-deep:#c9930a;
  --red:#d64533;
  --red-deep:#a02c1e;
  --cream:#fdf6e3;
  --cream-dim:#e9dcbb;
  --ink:#0d2318;
  --card:#0a2b1e;
  --card-line:#1d5c3d;
  --radius:16px;
  --font-head:"Arial Black","Segoe UI",system-ui,sans-serif;
  --font-body:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --font-script:"Segoe Script","Brush Script MT","Comic Sans MS",cursive;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{
  margin:0;
  background:var(--green-900);
  color:var(--cream);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.55;
  -webkit-tap-highlight-color:transparent;
}
img,svg,canvas{max-width:100%}
a{color:var(--gold-soft)}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;margin:0 0 .4em}
h2{font-size:clamp(1.6rem,6vw,2.3rem);text-align:center}
.h-crown{color:var(--gold)}
.gold-text{color:var(--gold)}

/* Kente divider: woven stripes of gold, red, green, black */
.kente-bar{
  height:14px;
  background:repeating-linear-gradient(90deg,
    var(--gold) 0 26px, #14100c 26px 34px,
    var(--red) 34px 60px, #14100c 60px 68px,
    var(--green-bright) 68px 94px, #14100c 94px 102px,
    var(--gold-deep) 102px 128px, #14100c 128px 136px);
  border-top:2px solid #14100c;border-bottom:2px solid #14100c;
}

/* Coin bank */
#coin-bank{
  position:fixed;top:calc(10px + env(safe-area-inset-top));right:12px;z-index:60;
  display:flex;align-items:center;gap:8px;
  background:var(--green-950);border:2px solid var(--gold-deep);border-radius:999px;
  padding:6px 14px 6px 8px;font-family:var(--font-head);font-size:1.05rem;color:var(--gold);
  box-shadow:0 4px 14px rgba(0,0,0,.45);
}
.coin-icon{
  width:22px;height:22px;border-radius:50%;flex:0 0 auto;
  background:radial-gradient(circle at 35% 35%, var(--gold-soft), var(--gold) 60%, var(--gold-deep));
  border:2px solid var(--gold-deep);position:relative;
}
.coin-icon::after{content:"★";position:absolute;inset:0;display:grid;place-items:center;color:var(--gold-deep);font-size:12px}
#coin-bank.bump{animation:bump .3s ease}
@keyframes bump{40%{transform:scale(1.12)}}

#toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,80px);z-index:70;
  background:var(--gold);color:var(--ink);font-family:var(--font-head);
  padding:12px 20px;border-radius:999px;border:3px solid var(--gold-deep);
  box-shadow:0 10px 26px rgba(0,0,0,.5);opacity:0;transition:all .35s ease;pointer-events:none;
  text-align:center;max-width:92vw;
}
#toast.show{transform:translate(-50%,0);opacity:1}

/* Nav */
.site-nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:14px;
  background:var(--green-950);padding:10px 14px;border-bottom:2px solid var(--gold-deep);
}
.brand-lockup{display:flex;align-items:center;gap:8px;font-family:var(--font-head);font-size:1rem;white-space:nowrap}
.brand-crown{color:var(--gold);font-size:1.3rem}
.brand-name em{font-style:normal;color:var(--gold)}
.nav-links{margin-left:auto;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{
  color:var(--cream);text-decoration:none;font-weight:600;font-size:.92rem;
  padding:8px 10px;border-radius:999px;white-space:nowrap;
}
.nav-links a:active,.nav-links a:hover{background:var(--green-800);color:var(--gold-soft)}

/* Hero */
.hero{
  text-align:center;padding:38px 18px 30px;
  background:
    radial-gradient(600px 300px at 50% -60px, rgba(47,191,113,.28), transparent 70%),
    linear-gradient(180deg, var(--green-850), var(--green-900));
}
.hero-art{position:relative;width:min(230px,58vw);margin:0 auto 6px}
.amari{width:100%;height:auto;filter:drop-shadow(0 10px 18px rgba(0,0,0,.45))}
.hero-coin{position:absolute;width:56px;right:-8px;top:8px;animation:spincoin 5s linear infinite}
@keyframes spincoin{0%{transform:rotateY(0)}100%{transform:rotateY(360deg)}}
.hero h1{font-size:clamp(2.1rem,9.5vw,3.4rem);letter-spacing:.5px}
.hero-line{font-family:var(--font-head);font-size:clamp(1.05rem,4.6vw,1.4rem);color:var(--gold-soft);margin:.2em 0}
.hero-sub{max-width:560px;margin:10px auto;color:var(--cream-dim)}
.rally{
  font-family:var(--font-head);color:var(--gold);letter-spacing:2px;font-size:1.05rem;
  margin:16px 0 6px;text-transform:uppercase;
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:14px}
.tap-hint{color:var(--cream-dim);font-size:.9rem;margin-top:16px;font-style:italic}

.btn{
  display:inline-block;text-decoration:none;font-family:var(--font-head);
  padding:14px 22px;border-radius:999px;border:3px solid transparent;
  font-size:1rem;cursor:pointer;text-align:center;min-height:52px;
}
.btn-gold{background:var(--gold);color:var(--ink);border-color:var(--gold-deep);box-shadow:0 5px 0 var(--gold-deep)}
.btn-gold:active{transform:translateY(3px);box-shadow:0 2px 0 var(--gold-deep)}
.btn-ghost{background:transparent;color:var(--gold-soft);border-color:var(--gold-deep)}
.btn-ghost:active{background:var(--green-800)}
.btn-buy{background:var(--green);color:#fff;border-color:var(--green-bright);width:100%;box-shadow:0 5px 0 var(--green-700)}
.btn-buy:active{transform:translateY(3px);box-shadow:0 2px 0 var(--green-700)}

/* Ticker */
.ticker{background:#14100c;border-top:2px solid var(--gold-deep);border-bottom:2px solid var(--gold-deep);overflow:hidden;padding:9px 0}
.ticker-track{display:flex;gap:34px;white-space:nowrap;width:max-content;animation:tick 26s linear infinite;font-family:var(--font-head);font-size:.92rem;color:var(--green-bright)}
.ticker-track .ticker-note{color:var(--gold)}
@keyframes tick{to{transform:translateX(-50%)}}

/* Sections */
.section{padding:38px 16px;max-width:1060px;margin:0 auto}
.section-lede{text-align:center;color:var(--cream-dim);max-width:640px;margin:0 auto 22px}
.refund-note{text-align:center;color:var(--cream-dim);max-width:640px;margin:18px auto 0;font-size:.95rem}

/* Games */
.games-grid{display:grid;gap:20px}
@media(min-width:820px){.games-grid{grid-template-columns:1fr 1fr}}
.game-card{
  background:var(--card);border:2px solid var(--card-line);border-radius:var(--radius);
  padding:18px;box-shadow:0 8px 22px rgba(0,0,0,.35);
}
.game-card h3{color:var(--gold);font-size:1.25rem}
.game-how{color:var(--cream-dim);margin-top:0}
.game-stage{position:relative;background:var(--green-950);border:2px solid var(--card-line);border-radius:12px;overflow:hidden}
#snake-canvas{display:block;margin:0 auto;width:100%;max-width:340px;height:auto;touch-action:none;background:
  repeating-linear-gradient(0deg, rgba(47,191,113,.07) 0 20px, transparent 20px 40px),
  repeating-linear-gradient(90deg, rgba(47,191,113,.07) 0 20px, transparent 20px 40px), var(--green-950)}
.game-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;background:rgba(4,23,15,.88);text-align:center;padding:18px;z-index:3;
}
.game-overlay.hidden{display:none}
.host-face{
  width:58px;height:58px;border-radius:14px;background:var(--green);border:3px solid var(--gold);
  display:grid;place-items:center;font-size:1.7rem;color:var(--gold);
}
.host-line{font-weight:600;max-width:300px;margin:0}
.game-score{color:var(--gold-soft);font-family:var(--font-head);margin:0;min-height:1.2em}
.snake-hud{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:12px;font-size:.98rem}
.snake-hud strong{color:var(--gold)}
.dpad{margin:14px auto 0;width:170px;text-align:center}
.dpad button,.dpad-row button{
  width:52px;height:52px;border-radius:14px;border:2px solid var(--gold-deep);
  background:var(--green-800);color:var(--gold);font-size:1.15rem;cursor:pointer;
}
.dpad button:active{background:var(--green);transform:scale(.94)}
.dpad-row{display:flex;justify-content:space-between;margin-top:6px}
.game-tip{color:var(--cream-dim);font-size:.88rem;text-align:center;margin-bottom:0}

/* Cabbage Patch */
.garden{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:14px;
  background:linear-gradient(180deg,#123f27,#0a2b1a);
}
.plot{
  aspect-ratio:1/1;border-radius:12px;position:relative;overflow:hidden;
  background:radial-gradient(ellipse at 50% 78%, #4a2f1c 0 46%, #5d3c22 47% 62%, #123f27 63%);
  border:2px solid rgba(0,0,0,.35);
}
.cabbage{
  position:absolute;inset:6%;border:0;background:transparent;cursor:pointer;padding:0;
  transform:translateY(112%);transition:transform .18s ease;
}
.cabbage.up{transform:translateY(6%)}
.cabbage svg{width:100%;height:100%;display:block;filter:drop-shadow(0 3px 3px rgba(0,0,0,.4))}
.cabbage:active{transform:translateY(6%) scale(.92)}
.timer-track{height:10px;background:#14100c}
#cabbage-timer{height:100%;width:100%;background:linear-gradient(90deg,var(--green-bright),var(--gold));transition:width .2s linear}

/* Parents note */
.parents-note{
  border:3px solid var(--gold);border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,198,26,.10), rgba(255,198,26,.03));
  padding:20px 22px;margin:0 auto 30px;max-width:760px;
}
.parents-note h3{color:var(--gold);font-size:1.15rem}
.parents-note p{margin:0;color:var(--cream)}

/* Courses */
.level-head{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-family:var(--font-body);font-weight:600;color:var(--cream-dim);
  margin:30px 0 14px;font-size:1rem;
}
.level-tag{
  font-family:var(--font-head);background:var(--green);color:#fff;
  padding:6px 14px;border-radius:999px;font-size:.9rem;border:2px solid var(--green-bright);
}
.course-grid{display:grid;gap:16px}
@media(min-width:640px){.course-grid{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.course-grid{grid-template-columns:1fr 1fr 1fr}}
.course-card{
  background:var(--card);border:2px solid var(--card-line);border-radius:var(--radius);
  padding:18px;display:flex;flex-direction:column;gap:8px;
  box-shadow:0 8px 22px rgba(0,0,0,.3);
}
.course-card:active{transform:scale(.99)}
.flagship-card{border-color:var(--gold-deep);background:linear-gradient(180deg,#0d3520,#0a2b1e)}
.card-top{display:flex;justify-content:space-between;align-items:center}
.course-code{font-family:var(--font-head);color:var(--green-bright);font-size:.9rem;letter-spacing:1px}
.age-badge{
  background:var(--gold);color:var(--ink);font-family:var(--font-head);font-size:.78rem;
  padding:5px 11px;border-radius:999px;border:2px solid var(--gold-deep);white-space:nowrap;
}
.course-card h4{font-size:1.22rem;color:var(--cream);margin:2px 0 0}
.teaches{margin:0}
.thread{margin:0;color:var(--cream-dim);font-size:.95rem;border-left:4px solid var(--red);padding-left:10px}
.thread span{color:var(--gold-soft);font-weight:700}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:6px}
.lessons{color:var(--cream-dim);font-size:.92rem}
.price{font-family:var(--font-head);color:var(--gold);font-size:1.3rem}
.course-card .btn-buy{margin-top:6px}

/* Flagship timeline */
.flagship{background:linear-gradient(180deg, transparent, rgba(255,198,26,.05), transparent)}
.timeline{list-style:none;margin:26px auto 0;padding:0;max-width:720px;position:relative}
.timeline::before{
  content:"";position:absolute;left:59px;top:6px;bottom:6px;width:4px;
  background:linear-gradient(180deg,var(--gold),var(--green-bright),var(--red));
  border-radius:2px;
}
.timeline li{display:flex;gap:16px;position:relative;padding:12px 0}
.t-year{
  flex:0 0 104px;text-align:right;font-family:var(--font-head);color:var(--gold);
  font-size:1.02rem;padding-right:22px;position:relative;
}
.t-year::after{
  content:"";position:absolute;right:-8px;top:4px;width:14px;height:14px;border-radius:50%;
  background:var(--gold);border:3px solid var(--green-900);z-index:1;
}
.t-body h4{color:var(--cream);font-size:1.08rem}
.t-body p{margin:0;color:var(--cream-dim)}
.flagship-cta{text-align:center;margin-top:26px}
@media(max-width:520px){
  .timeline::before{left:47px}
  .t-year{flex-basis:84px;font-size:.92rem;padding-right:18px}
}

/* Price ladder */
.ladder{display:grid;gap:16px}
@media(min-width:820px){.ladder{grid-template-columns:1fr 1fr 1fr}}
.ladder-card{
  background:var(--card);border:2px solid var(--card-line);border-radius:var(--radius);
  padding:22px;text-align:center;display:flex;flex-direction:column;gap:8px;position:relative;
}
.ladder-card h3{color:var(--cream)}
.ladder-price{font-family:var(--font-head);font-size:2.4rem;color:var(--gold);margin:0}
.ladder-card p{color:var(--cream-dim);margin:0}
.ladder-card .btn{margin-top:auto}
.ladder-best{border-color:var(--gold);background:linear-gradient(180deg,#0d3520,#0a2b1e)}
.best-tag{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--red);color:#fff;font-family:var(--font-head);font-size:.8rem;
  padding:5px 14px;border-radius:999px;border:2px solid var(--red-deep);white-space:nowrap;
}

/* Certificate */
.cert-form{display:grid;gap:12px;max-width:520px;margin:0 auto 22px}
@media(min-width:640px){.cert-form{grid-template-columns:1fr 1fr}}
.cert-form label{font-weight:600;display:grid;gap:6px}
.cert-form input,.cert-form select{
  font:inherit;padding:13px 14px;border-radius:10px;border:2px solid var(--card-line);
  background:var(--green-950);color:var(--cream);min-height:52px;width:100%;
}
.cert-form input:focus,.cert-form select:focus{outline:3px solid var(--gold);outline-offset:1px}
.certificate{
  max-width:680px;margin:0 auto;background:var(--cream);color:var(--ink);
  border-radius:10px;padding:10px;box-shadow:0 16px 40px rgba(0,0,0,.5);
  background-image:repeating-linear-gradient(90deg,var(--gold) 0 18px,#14100c 18px 22px,var(--red) 22px 40px,#14100c 40px 44px,var(--green-bright) 44px 62px,#14100c 62px 66px);
}
.cert-inner{background:var(--cream);border:3px double var(--gold-deep);border-radius:6px;padding:26px 20px;text-align:center}
.cert-crown{font-size:2.2rem;color:var(--gold-deep)}
.cert-brand{font-family:var(--font-head);letter-spacing:2px;text-transform:uppercase;color:var(--green-700);margin:2px 0}
.cert-title{font-size:clamp(1.4rem,5.6vw,2rem);color:var(--ink)}
.cert-this{color:#5a4a28;margin:8px 0 0}
.cert-name{font-family:var(--font-script);font-size:clamp(1.7rem,7vw,2.5rem);color:var(--green-800);margin:2px 0;border-bottom:2px solid var(--gold-deep);display:inline-block;padding:0 22px 4px}
.cert-course{font-family:var(--font-head);font-size:1.15rem;color:var(--ink);margin:4px 0}
.cert-motto{color:#5a4a28;font-style:italic}
.cert-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;margin-top:22px}
.cert-sig{display:grid;gap:2px;text-align:center;flex:1}
.sig-amari{font-family:var(--font-script);font-size:1.5rem;color:var(--green-800)}
.sig-founder{font-family:var(--font-script);font-size:1.15rem;color:var(--green-800)}
.sig-line{border-top:1.5px solid #8a743f;padding-top:4px;font-size:.78rem;color:#5a4a28;text-transform:uppercase;letter-spacing:1px}
.cert-seal{
  width:74px;height:74px;flex:0 0 auto;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, var(--gold-soft), var(--gold) 55%, var(--gold-deep));
  border:3px dashed var(--gold-deep);display:grid;place-items:center;
  color:var(--gold-deep);font-size:1.8rem;transform:rotate(-8deg);
}
.cert-date{color:#5a4a28;font-size:.9rem;margin-bottom:0}

/* Umbrella */
.umbrella-grid{display:grid;gap:16px;max-width:760px;margin:0 auto}
@media(min-width:640px){.umbrella-grid{grid-template-columns:1fr 1fr}}
.umbrella-card{
  display:block;text-decoration:none;color:var(--cream);
  background:var(--card);border:2px solid var(--card-line);border-radius:var(--radius);padding:20px;
}
.umbrella-card h3{color:var(--gold)}
.umbrella-card p{color:var(--cream-dim);margin:0 0 10px}
.umbrella-go{color:var(--green-bright);font-weight:700}

/* Footer */
.site-footer{text-align:center;padding:30px 16px 44px;background:var(--green-950)}
.site-footer p{margin:4px 0;color:var(--cream-dim)}
.foot-brand{font-family:var(--font-head);color:var(--cream);font-size:1.15rem}
.ai-note{font-style:italic}
.foot-motto{font-family:var(--font-head);color:var(--gold);letter-spacing:2px;text-transform:uppercase}

/* Coin bursts */
#burst-layer{position:fixed;inset:0;pointer-events:none;z-index:80;overflow:hidden}
.burst-coin{
  position:absolute;width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, var(--gold-soft), var(--gold) 60%, var(--gold-deep));
  border:2px solid var(--gold-deep);display:grid;place-items:center;
  color:var(--gold-deep);font-size:11px;font-weight:900;
  animation:burstfly .8s ease-out forwards;
}
@keyframes burstfly{
  0%{transform:translate(0,0) scale(.6) rotate(0);opacity:1}
  100%{transform:translate(var(--dx),var(--dy)) scale(1.05) rotate(300deg);opacity:0}
}
@media (prefers-reduced-motion: reduce){
  .ticker-track,.hero-coin{animation:none}
  html{scroll-behavior:auto}
}