:root{
  --paper:#F4F7FA;
  --card:#FFFFFF;
  --ink:#15212E;
  --slate:#54677B;
  --faint:#8698AA;
  --hair:#DCE3EB;
  --navy:#0C1826;
  --navy-2:#122438;
  --hero-ink:#EAF1F8;
  --hero-slate:#9DB2C7;
  --consult:#D6803E;
  --consult-deep:#B8642A;
  --laddice:#3AA6B2;
  --laddice-deep:#268793;
  --accent:var(--navy);
  --shadow:0 1px 2px rgba(12,24,38,.05), 0 12px 32px -18px rgba(12,24,38,.22);
  --maxw:1080px;
  --sans:"Barlow", system-ui, -apple-system, sans-serif;
  --disp:"Barlow Semi Condensed", "Barlow", system-ui, sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#0A131E;
    --card:#111F2E;
    --ink:#E7EEF5;
    --slate:#9DB0C2;
    --faint:#6C8095;
    --hair:#213244;
    --hero-ink:#EAF1F8;
    --hero-slate:#9DB2C7;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 18px 40px -20px rgba(0,0,0,.7);
  }
}
:root[data-theme="light"]{
  --paper:#F4F7FA; --card:#FFFFFF; --ink:#15212E; --slate:#54677B; --faint:#8698AA; --hair:#DCE3EB; --hero-ink:#EAF1F8; --hero-slate:#9DB2C7;
  --shadow:0 1px 2px rgba(12,24,38,.05), 0 12px 32px -18px rgba(12,24,38,.22);
}
:root[data-theme="dark"]{
  --paper:#0A131E; --card:#111F2E; --ink:#E7EEF5; --slate:#9DB0C2; --faint:#6C8095; --hair:#213244;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 18px 40px -20px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3{margin:0;font-family:var(--disp);font-weight:700;line-height:1.02;letter-spacing:-.01em;text-wrap:balance}
p{margin:0}
a{color:inherit}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}

/* ---- top nav ---- */
.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 86%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--hair)}
.nav .wrap{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--disp);font-weight:700;font-size:20px;letter-spacing:.01em;cursor:pointer;background:none;border:0;color:var(--ink);padding:0}
.brand .mark{width:132px;flex:none}
.nav.nav-hub .brand{display:none}
.brand small{font-family:var(--sans);font-weight:600;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);align-self:flex-end;margin-bottom:3px}
.navlinks{margin-left:auto;display:flex;gap:4px}
.navlinks button{font-family:var(--sans);font-size:14.5px;font-weight:600;color:var(--slate);background:none;border:0;
  padding:8px 13px;border-radius:8px;cursor:pointer;position:relative;transition:color .18s,background .18s}
.navlinks button:hover{color:var(--ink);background:color-mix(in srgb,var(--ink) 6%,transparent)}
.navlinks button.on{color:var(--ink)}
.navlinks button.on::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--accent)}
.navcta{margin-left:8px}

/* ---- screens ---- */
.screen{display:none;animation:fade .4s ease}
.screen.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.screen{animation:none}}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:600;font-size:15px;
  padding:12px 20px;border-radius:10px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn .arw{transition:transform .18s}
.btn:hover .arw{transform:translateX(3px)}
.btn-solid{background:var(--accent);color:#fff}
.btn-solid:hover{box-shadow:0 10px 24px -10px var(--accent)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--hair)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ============ HUB ============ */
.hub-hero{position:relative;background:linear-gradient(160deg,#0B1622 0%,#0F2033 60%,#10283D 100%);color:var(--hero-ink);overflow:hidden}
#lattice{position:absolute;inset:0;width:100%;height:100%;display:block}
.hub-hero .wrap{position:relative;z-index:2;padding:30px 28px 76px;text-align:center}
.hub-hero .eyebrow{color:var(--laddice);letter-spacing:.28em}
.hub-hero h1{font-size:clamp(44px,7vw,84px);margin:18px auto 0;max-width:14ch;color:#fff}
.hub-hero h1 .amp{color:var(--consult)}
.hub-hero .lede{margin:22px auto 0;max-width:52ch;font-size:clamp(17px,2.1vw,20px);color:var(--hero-slate);line-height:1.5}
.hub-hero .hero-mark{position:absolute;top:0;left:0;height:auto;display:block}
.hub-hero .brand-lock{position:relative;display:inline-block;margin:12px auto 0;padding-top:clamp(28px,4.6vw,42px)}
.hub-hero .wm-row{display:flex;justify-content:center;align-items:baseline;gap:.02em;font-family:var(--disp);font-weight:700;font-size:clamp(38px,6.6vw,68px);line-height:1;color:#fff;white-space:nowrap}
.hub-hero .wm-row .pj{font-family:var(--disp);font-weight:700;color:var(--hero-slate);white-space:nowrap;text-transform:uppercase;font-size:.58em;letter-spacing:.05em;align-self:baseline}
.hub-hero .sp{display:inline-block;width:.14em}
.wm-row .rest{display:inline-block;white-space:nowrap;vertical-align:bottom}
.wm-row .rest .c{display:inline-block;will-change:opacity,filter,transform}
/* tight wordmark AMPLE with per-letter coloured underlines */
.am{display:inline-flex}
.am .al{position:relative;padding:0 .015em}
.am .al::after{content:"";position:absolute;left:10%;right:10%;bottom:-.13em;height:3px;border-radius:2px;background:var(--mc);box-shadow:0 0 8px var(--mc)}
/* JS-drawn connector lines fanning from each underline down to its method letter */
.charge-svg{position:absolute;left:0;top:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:0}
.charge-svg .base{fill:none;stroke-width:2;opacity:.3}
.charge-svg .pulse{fill:none;stroke-width:2.4;stroke-linecap:round;stroke-dasharray:5 40;filter:drop-shadow(0 0 3px currentColor);animation:flow 3.2s linear infinite}
@keyframes flow{to{stroke-dashoffset:-45}}
@media (prefers-reduced-motion:reduce){.charge-svg .pulse{animation:none;opacity:.5}}
/* method row: word beside its coloured initial, centred under AMPLE (JS-aligned) */
.ampleway{position:relative;z-index:1;display:flex;justify-content:center;gap:clamp(10px,2vw,28px);list-style:none;margin:56px 0 0;padding:0}
.ampleway li{display:inline-flex;align-items:baseline}
.ampleway .ini{font-family:var(--disp);font-weight:700;font-size:clamp(1.4rem,3.1vw,1.85rem);line-height:1;color:var(--mc);text-shadow:0 0 10px color-mix(in srgb,var(--mc) 45%,transparent)}
.ampleway .w{font-family:var(--disp);font-weight:600;font-size:clamp(.95rem,2.1vw,1.2rem);line-height:1;color:var(--hero-slate)}
/* once-a-day intro: "P A" then roject / MPLE coalesce, then the currents charge in */
.brand-lock.intro .pj .rest{max-width:0}
.brand-lock.intro.play .pj .rest{max-width:260px;transition:max-width 1s cubic-bezier(.2,.72,.15,1)}
.brand-lock.intro .pj .rest .c{opacity:0;filter:blur(7px);transform:translateY(-3px) scale(.92)}
.brand-lock.intro.play .pj .rest .c{opacity:1;filter:blur(0);transform:none;transition:opacity .5s ease,filter .5s ease,transform .5s ease}
.brand-lock.intro.play .pj .rest .c:nth-child(1){transition-delay:.10s}
.brand-lock.intro.play .pj .rest .c:nth-child(2){transition-delay:.17s}
.brand-lock.intro.play .pj .rest .c:nth-child(3){transition-delay:.24s}
.brand-lock.intro.play .pj .rest .c:nth-child(4){transition-delay:.31s}
.brand-lock.intro.play .pj .rest .c:nth-child(5){transition-delay:.38s}
.brand-lock.intro.play .pj .rest .c:nth-child(6){transition-delay:.45s}
.brand-lock.intro .am .al:not(.a0){opacity:0;filter:blur(6px)}
.brand-lock.intro.play .am .al:not(.a0){opacity:1;filter:blur(0);transition:opacity .55s ease,filter .55s ease}
.brand-lock.intro.play .am .a2{transition-delay:.12s}
.brand-lock.intro.play .am .a3{transition-delay:.22s}
.brand-lock.intro.play .am .a4{transition-delay:.32s}
.brand-lock.intro .ampleway,.brand-lock.intro .charge-svg{opacity:0}
.brand-lock.intro.play .ampleway{opacity:1;transition:opacity .7s ease .5s}
.brand-lock.intro.play .charge-svg{opacity:1;transition:opacity .8s ease .6s}

.fork{position:relative;z-index:2;margin-top:-24px;padding-bottom:108px}
.fork-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:720px){.fork-grid{grid-template-columns:1fr}}
.path{--a:var(--navy);background:var(--card);border:1px solid var(--hair);border-radius:18px;padding:30px 30px 26px;
  box-shadow:var(--shadow);cursor:pointer;text-align:left;position:relative;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}
.path::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--a)}
.path:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--a) 55%,var(--hair));box-shadow:0 1px 2px rgba(12,24,38,.05),0 26px 46px -22px color-mix(in srgb,var(--a) 60%,transparent)}
.path .kind{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--a)}
.path h3{font-size:30px;margin-top:10px;color:var(--a)}
.path p{color:var(--slate);margin-top:10px;font-size:15.5px;max-width:34ch}
.path .go{margin-top:20px;display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--a);font-size:15px}
.path .go .arw{transition:transform .18s}
.path:hover .go .arw{transform:translateX(4px)}
.path .badge{position:absolute;top:26px;right:26px;font-size:11.5px;font-weight:600;color:var(--slate);
  border:1px solid var(--hair);border-radius:100px;padding:4px 11px}
.path .pathmark{width:38px;height:38px;margin-bottom:2px}

/* ============ sub-page shared ============ */
.subhero{background:var(--navy);color:var(--hero-ink);position:relative;overflow:hidden}
.subhero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--accent) 42%,transparent),transparent 68%);opacity:.55}
.subhero .wrap{position:relative;z-index:2;padding:78px 28px}
.subhero .eyebrow{color:var(--accent)}
.subhero h1{font-size:clamp(38px,5.6vw,64px);margin-top:16px;max-width:18ch;color:#fff}
.subhero .lede{margin-top:20px;max-width:50ch;font-size:clamp(16px,2vw,19px);color:var(--hero-slate)}
.subhero .cta-row{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.subhero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.28)}
.subhero .btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

.section{padding:64px 0}
.section.tight{padding:48px 0}
.section h2{font-size:clamp(28px,3.6vw,40px)}
.section .kick{max-width:56ch;color:var(--slate);margin-top:14px;font-size:17px}

.cards{display:grid;gap:18px;margin-top:34px}
.c4{grid-template-columns:repeat(4,1fr)}
.c3{grid-template-columns:repeat(3,1fr)}
.c5{grid-template-columns:repeat(5,1fr)}
@media(max-width:900px){.c4,.c5{grid-template-columns:repeat(2,1fr)}.c3{grid-template-columns:1fr}}
@media(max-width:520px){.c4,.c5,.c3{grid-template-columns:1fr}}
.tile{background:var(--card);border:1px solid var(--hair);border-radius:14px;padding:22px}
.tile .n{font-family:var(--disp);font-weight:700;font-size:15px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase}
.tile h4{margin:12px 0 0;font-size:18px;font-family:var(--sans);font-weight:600;letter-spacing:0}
.tile p{margin-top:8px;color:var(--slate);font-size:14.5px}

/* proof strip */
.proof{background:var(--navy-2);color:var(--hero-ink);border-radius:18px;padding:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media(max-width:720px){.proof{grid-template-columns:1fr;gap:22px}}
.proof .stat{border-left:2px solid var(--accent);padding-left:18px}
.proof .big{font-family:var(--disp);font-weight:700;font-size:34px;color:#fff;line-height:1}
.proof .lbl{margin-top:8px;color:var(--hero-slate);font-size:14px;line-height:1.4}
.proof .cap{grid-column:1/-1;color:var(--hero-slate);font-size:12.5px;opacity:.8;border-top:1px solid rgba(255,255,255,.1);padding-top:14px;margin-top:2px}

/* how-we-work list */
.hlist{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
@media(max-width:720px){.hlist{grid-template-columns:1fr}}
.hlist .h{padding:20px 0;border-top:2px solid var(--accent)}
.hlist .h b{font-family:var(--disp);font-size:20px;font-weight:700;display:block}
.hlist .h span{color:var(--slate);font-size:15px;display:block;margin-top:8px}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:34px}
@media(max-width:860px){.pillars{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.pillars{grid-template-columns:1fr}}
.pil{background:var(--card);border:1px solid var(--hair);border-radius:14px;padding:22px 20px;text-align:center}
.pil .l{font-family:var(--disp);font-size:46px;font-weight:700;color:var(--accent);line-height:1}
.pil b{display:block;margin-top:10px;font-family:var(--sans);font-weight:600;font-size:16px}
.pil span{display:block;margin-top:6px;color:var(--slate);font-size:13px}

.statusband{display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:var(--card);border:1px solid var(--hair);
  border-radius:14px;padding:20px 24px;margin-top:30px}
.statusband .pill{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#fff;
  background:var(--accent);border-radius:100px;padding:5px 12px}
.statusband span{color:var(--slate);font-size:15px}

.calloutcta{background:var(--navy);color:var(--hero-ink);border-radius:18px;padding:44px;text-align:center;margin-top:10px}
.calloutcta h2{font-size:clamp(26px,3.4vw,38px);color:#fff}
.calloutcta p{color:var(--hero-slate);margin:14px auto 26px;max-width:44ch}

/* footer */
.foot{border-top:1px solid var(--hair);padding:40px 0 60px;color:var(--slate);font-size:14px}
.foot .wrap{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.foot a{color:var(--ink);font-weight:600;text-decoration:none}
.foot a:hover{color:var(--accent)}