/* Achieve School of Education — set B: scroll-scrubbed 3D scenes */
:root{
  color-scheme:dark;
  --black:#000;--ink:#0c0a0a;--ink-2:#17120f;--ink-3:#231b18;
  --red:#e3122b;--red-deep:#9c0a1b;--paper:#f6f1ea;--paper-dim:#b9b0a6;--gold:#f2b632;--green:#3fae6a;
  --glass:rgba(246,241,234,.07);--glass-line:rgba(246,241,234,.14);
  --display:"Unbounded","Arial Black",Impact,sans-serif;--body:"Figtree","Segoe UI",system-ui,sans-serif;
  --gut:20px;--vh:100vh;
}
@supports(height:100dvh){:root{--vh:100dvh}}
*{box-sizing:border-box}
html{background:var(--black);overflow-x:clip}
body{margin:0;background:var(--black);color:var(--paper);font-family:var(--body);font-size:17px;line-height:1.5;overflow-x:clip;-webkit-font-smoothing:antialiased;padding-bottom:80px}
h1,h2,h3{font-family:var(--display);margin:0;line-height:1;letter-spacing:-.025em;text-wrap:balance}
p{margin:0}
a{color:inherit}
button{font:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
img{max-width:100%;display:block}

/* glass nav */
.bar{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;gap:10px;padding:10px var(--gut);background:rgba(0,0,0,.55);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid rgba(246,241,234,.08)}
.bar b{font-family:var(--display);font-weight:900;font-size:17px;letter-spacing:.03em;flex:none}
.bar b i{font-style:normal;color:var(--red)}
.bar nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin-left:auto}
.bar nav::-webkit-scrollbar{display:none}
.bar nav a{flex:none;font-size:12.5px;font-weight:500;text-decoration:none;color:var(--paper-dim);padding:7px 11px;border-radius:999px;white-space:nowrap}
.bar nav a[aria-current]{color:var(--paper);background:var(--glass)}

/* scenes */
.scene{position:relative;height:calc(var(--len,3)*var(--vh))}
.scene>.pin{position:sticky;top:0;height:var(--vh);overflow:hidden;display:grid;place-items:center;isolation:isolate}
.pin>*{grid-area:1/1}
.stage3d{perspective:1100px;perspective-origin:50% 45%;width:100%;height:100%;position:relative;transform-style:preserve-3d;pointer-events:none}
.copy{position:relative;z-index:3;text-align:center;padding:0 var(--gut);max-width:720px;margin-inline:auto;pointer-events:none;display:grid;place-items:center;width:100%}
.copy>.step{grid-area:1/1;width:100%}
.copy h1,.copy h2{font-size:clamp(34px,9.6vw,86px);font-weight:900}
.copy p{font-size:clamp(17px,2.3vw,22px);color:var(--paper-dim);margin-top:16px;max-width:30em;margin-inline:auto}
.copy .btns{pointer-events:auto}
.step{opacity:0;transform:translateY(24px);will-change:opacity,transform}
.step.on{opacity:1;transform:none}
.btns{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;text-decoration:none;padding:14px 22px;border-radius:999px;border:1px solid var(--paper);background:var(--paper);color:var(--ink);cursor:pointer}
.btn.red{background:var(--red);border-color:var(--red);color:var(--paper)}
.btn.glass{background:var(--glass);border-color:var(--glass-line);color:var(--paper);backdrop-filter:blur(10px)}
.glow{position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(60% 50% at 50% 60%,rgba(227,18,43,.28),transparent 70%)}
.glow.gold{background:radial-gradient(60% 50% at 50% 55%,rgba(242,182,50,.22),transparent 70%)}
.cue{position:absolute;bottom:92px;left:50%;transform:translateX(-50%);font-size:12.5px;color:var(--paper-dim);display:flex;flex-direction:column;align-items:center;gap:6px;transition:opacity .4s;z-index:4;pointer-events:none}
.cue i{width:1px;height:28px;background:linear-gradient(var(--paper),transparent);display:block;animation:cue 1.6s ease-in-out infinite}
@keyframes cue{50%{transform:scaleY(.4);transform-origin:top}}
.scene[style*="--p:0"] .cue{opacity:1}

/* reading blocks */
.block{position:relative;padding:96px var(--gut);max-width:760px;margin-inline:auto}
.block h2{font-size:clamp(30px,7.5vw,62px);font-weight:900;margin-bottom:18px}
.block .lead{font-size:clamp(17px,2.3vw,21px);color:var(--paper-dim);max-width:32em}
.block.wide{max-width:1100px}
.center{text-align:center}
.center .lead{margin-inline:auto}
.kicker{font-size:14px;font-weight:600;color:var(--red);margin-bottom:12px}
.paper{background:var(--paper);color:var(--ink)}
.paper .lead,.paper .kicker{color:#5e544d}
.paper .kicker{color:var(--red-deep)}

/* reveals: one orchestrated rise per block, staggered */
.rise{opacity:0;transform:translateY(30px) perspective(800px) rotateX(6deg);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.rise.in{opacity:1;transform:none}
.rise:nth-child(2){transition-delay:.08s}.rise:nth-child(3){transition-delay:.16s}.rise:nth-child(4){transition-delay:.24s}.rise:nth-child(5){transition-delay:.32s}.rise:nth-child(6){transition-delay:.4s}

/* glass tiles with pointer tilt */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:34px;perspective:900px}
.tile{position:relative;border-radius:22px;padding:22px 18px;background:linear-gradient(160deg,rgba(246,241,234,.1),rgba(246,241,234,.03));border:1px solid var(--glass-line);transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.2,1);min-height:150px;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;overflow:hidden}
.tile::after{content:"";position:absolute;inset:0;background:radial-gradient(120px 120px at var(--mx,50%) var(--my,50%),rgba(246,241,234,.16),transparent 70%);opacity:0;transition:opacity .4s;pointer-events:none}
.tile.lit::after{opacity:1}
.tile b{font-family:var(--display);font-weight:900;font-size:clamp(34px,7vw,46px);line-height:1;color:var(--paper)}
.tile b i{font-style:normal;font-size:.42em;color:var(--gold);margin-left:4px}
.tile span{font-size:14px;color:var(--paper-dim);line-height:1.35}
.tile.red{background:linear-gradient(160deg,var(--red),var(--red-deep));border-color:transparent}
.tile.red span{color:rgba(246,241,234,.85)}
.tile.gold{background:linear-gradient(160deg,#f7c753,#d99a12);border-color:transparent;color:var(--ink)}
.tile.gold b,.tile.gold span{color:var(--ink)}
.paper .tile{background:#fff;border-color:rgba(12,10,10,.08);box-shadow:0 24px 40px -28px rgba(12,10,10,.5),0 1px 0 rgba(12,10,10,.04)}
.paper .tile b{color:var(--ink)}.paper .tile span{color:#5e544d}

/* horizontal snap strip (swipe row) */
.strip{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px var(--gut) 30px;margin:0 calc(-1*var(--gut));scrollbar-width:none;perspective:900px}
.strip::-webkit-scrollbar{display:none}
.strip>*{flex:0 0 min(78vw,330px);scroll-snap-align:center;border-radius:26px;padding:26px 22px;min-height:300px;display:flex;flex-direction:column;justify-content:flex-end;gap:8px;background:linear-gradient(170deg,var(--ink-3),var(--ink));border:1px solid var(--glass-line);transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.strip h3{font-size:22px;font-weight:700}
.strip p{font-size:15px;color:var(--paper-dim)}
.strip .n{font-family:var(--display);font-weight:900;font-size:64px;line-height:1;color:var(--red);opacity:.9;margin-bottom:auto}

/* steps list */
.steps{list-style:none;margin:30px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:center;padding:18px;border-radius:20px;background:var(--glass);border:1px solid var(--glass-line)}
.steps li::before{content:counter(s);font-family:var(--display);font-weight:900;font-size:30px;color:var(--red);text-align:center}
.steps b{display:block;font-size:17px}
.steps span{font-size:14.5px;color:var(--paper-dim)}

/* contact + dock */
.contact{background:linear-gradient(180deg,var(--red),var(--red-deep));color:var(--paper);padding:96px var(--gut)}
.contact .in{max-width:760px;margin-inline:auto}
.contact h2{font-size:clamp(34px,9vw,76px);font-weight:900;margin-bottom:16px}
.card{margin-top:28px;background:rgba(0,0,0,.55);border-radius:24px;padding:22px;backdrop-filter:blur(12px)}
.kv{display:grid;grid-template-columns:72px 1fr;gap:8px 14px;font-size:15.5px;margin:0 0 18px}
.kv dt{font-size:12px;font-weight:600;color:var(--paper-dim);padding-top:3px}
.kv dd{margin:0;overflow-wrap:anywhere}
.more{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:30px;perspective:900px}
.more a{text-decoration:none;border-radius:22px;padding:22px;background:var(--glass);border:1px solid var(--glass-line);display:flex;flex-direction:column;gap:6px;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.more a b{font-family:var(--display);font-size:16px;font-weight:700}
.more a span{font-size:14px;color:var(--paper-dim)}
footer{padding:30px var(--gut) 14px;text-align:center;font-size:13px;color:var(--paper-dim)}
.dock{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;gap:8px;padding:10px var(--gut) calc(10px + env(safe-area-inset-bottom,0px));background:rgba(0,0,0,.7);backdrop-filter:blur(18px);border-top:1px solid rgba(246,241,234,.08)}
.dock a{flex:1;padding:13px 8px;font-size:13.5px}
@media(min-width:900px){.dock{display:none}body{padding-bottom:0}}
@media(prefers-reduced-motion:reduce){.rise{opacity:1;transform:none;transition:none}.cue i{animation:none}.step{transition:none}}