/* algo188 — site styles. Single stylesheet; see PROJECT-NOTES.md for the section map. */
@font-face{font-family:'Space Grotesk';src:url(fonts/space-grotesk-latin-wght-normal.woff2) format('woff2');font-weight:300 700;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url(fonts/jetbrains-mono-latin-500-normal.woff2) format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Playfair Display';src:url(fonts/playfair-display-latin-500-italic.woff2) format('woff2');font-weight:500;font-style:italic;font-display:swap}
@font-face{font-family:'Manrope';src:url(fonts/manrope-latin-700-normal.woff2) format('woff2');font-weight:700;font-display:swap}

/* ---------- tokens ---------- */
:root{--bg:#44474F;--bg2:#4F525B;--ac:#00D4B4;--gold:#E5B84B;--tx:#F4F6F9;--mu:#CDD3DD;--bd:rgba(255,255,255,.15);--gl:rgba(40,43,50,.62);--ease:cubic-bezier(.22,1,.36,1);--sans:'Space Grotesk',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--mono:'JetBrains Mono',ui-monospace,Menlo,monospace}
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.35s}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
body,h1,h2,h3,p,ul,figure{margin:0}ul{padding:0;list-style:none}
html{scroll-behavior:smooth;scroll-padding-top:84px;color-scheme:dark;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
html.nav-open{overflow:hidden}
body{background:var(--bg);color:var(--tx);font:400 1.0625rem/1.7 var(--sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-kerning:normal;font-optical-sizing:auto;overflow-x:hidden}
::selection{background:rgba(0,212,180,.35)}
img{max-width:100%;height:auto;display:block}button,a,input,textarea{touch-action:manipulation}button{font:inherit}a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--ac);outline-offset:3px;border-radius:6px}
.wrap{width:min(1180px,100% - 3rem);margin-inline:auto}
section{position:relative;padding:clamp(4.5rem,9vw,8rem) 0}
h1,h2,h3{line-height:1.1;letter-spacing:-.02em;font-weight:600;text-wrap:balance}
h3{font-size:1.25rem;letter-spacing:-.01em}
p{text-wrap:pretty}
.t{color:var(--ac)}.mu{color:var(--mu)}
.big{font-size:clamp(2.4rem,5.6vw,4.4rem);font-weight:700;line-height:1.03;letter-spacing:-.03em;margin-bottom:1.6rem;overflow-wrap:break-word}
.hp{position:absolute;left:-9999px}
.skip{position:absolute;left:-9999px;top:0}.skip:focus{left:1rem;top:1rem;z-index:99;background:var(--ac);color:#03110E;padding:.6rem 1rem;border-radius:8px}

/* ---------- header ---------- */
.hd{position:sticky;top:0;z-index:50;height:68px;background:rgba(60,63,71,.62);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--bd);transition:background .35s,box-shadow .35s;view-transition-name:site-header}
.hd.sc{background:rgba(50,53,60,.88);box-shadow:0 12px 32px -20px rgba(0,0,0,.6)}
.hd-in{height:100%;display:flex;align-items:center;justify-content:space-between}
.logo img{height:46px;width:auto}
.burger{background:none;border:1px solid var(--bd);color:var(--tx);border-radius:10px;width:44px;height:44px;display:grid;place-items:center;cursor:pointer;transition:border-color .25s}.burger:hover{border-color:var(--ac)}
.nav{position:fixed;inset:68px 0 auto 0;background:rgba(60,63,71,.97);backdrop-filter:blur(16px);display:flex;flex-direction:column;gap:.25rem;padding:1rem 1.5rem 1.5rem;border-bottom:1px solid var(--bd);transform:translateY(-130%);visibility:hidden;transition:transform .4s var(--ease),visibility 0s .4s}
.nav.open{transform:none;visibility:visible;transition-delay:0s}
.nav a:not(.btn){padding:.8rem 0;color:var(--mu);font-weight:500;transition:color .2s}
.nav a:not(.btn):hover,.nav a[aria-current]{color:var(--ac)}
.nav .btn{padding:.7rem 1.2rem;font-size:.92rem;justify-content:center;margin-top:.5rem}
@media(min-width:900px){
 .burger{display:none}
 .nav{position:static;flex-direction:row;align-items:center;gap:2.2rem;padding:0;background:none;border:0;backdrop-filter:none;transform:none;visibility:visible}
 .nav a:not(.btn){padding:0;position:relative}
 .nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--ac);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
 .nav a:not(.btn):hover::after,.nav a[aria-current]::after{transform:scaleX(1)}
 .nav .btn{margin:0 0 0 .5rem}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.9rem 1.6rem;border-radius:12px;font:600 .98rem var(--sans);border:1px solid transparent;cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s,opacity .3s}
.bp{background:linear-gradient(135deg,#1CE6C6,#00C2A3);color:#03110E;box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 8px 24px -12px rgba(0,212,180,.7)}
.bp:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 0 0 4px rgba(0,212,180,.16),0 14px 40px -10px rgba(0,212,180,.7)}
.bp:active{transform:translateY(0) scale(.985);transition-duration:.1s}
.btn .ic{transition:transform .3s var(--ease)}.btn:hover .ic{transform:translateX(3px)}
.btns{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.4rem}
button[disabled]{opacity:.6;cursor:wait}

/* ---------- image backgrounds (.bgs) ---------- */
.bgs{isolation:isolate;overflow:clip}
.bgi{position:absolute;inset:0;z-index:-2;overflow:hidden;-webkit-mask-image:linear-gradient(180deg,transparent,#000 16%,#000 84%,transparent);mask-image:linear-gradient(180deg,transparent,#000 16%,#000 84%,transparent)}
.bgi b{position:absolute;inset:-9% 0;background:center/cover no-repeat;transform:translate3d(0,0,0)}.bgi.vis b{will-change:transform}.bgi b[data-bg]{opacity:0;transition:opacity .9s ease}.bgi b.ld{opacity:1}
.bgs::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 55% at 50% 35%,var(--glow,transparent),transparent 70%),linear-gradient(180deg,rgba(68,71,79,var(--ov,.85)),rgba(68,71,79,calc(var(--ov,.85) + .08)))}
.lw::after{background:linear-gradient(90deg,rgba(68,71,79,.95),rgba(68,71,79,.7) 50%,rgba(68,71,79,.25)),linear-gradient(0deg,#44474F,transparent 28%)}

/* ---------- cards & layout ---------- */
.card{background:var(--gl);border:1px solid var(--bd);border-radius:16px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:2rem;box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.glassx,.card.rows{background:rgba(40,43,50,.74)}
.glassx{padding:clamp(1.5rem,3vw,2.4rem)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);align-items:start}
.split p{color:var(--mu)}.split p+p{margin-top:1.2rem}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem;margin-top:3.2rem}
@media(max-width:899px){.split,.cols3{grid-template-columns:1fr}}
.ibox{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;color:var(--ac);background:rgba(0,212,180,.08);border:1px solid rgba(0,212,180,.28)}
.fig{margin:0;border-radius:16px;overflow:hidden;border:1px solid var(--bd);box-shadow:0 30px 80px -30px rgba(0,212,180,.4);position:relative}
.fig img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 1.4s var(--ease)}
.fig:hover img{transform:scale(1.04)}.fig.tall img{aspect-ratio:4/5}

/* ---------- hero ---------- */
.hero{min-height:calc(100svh - 68px);display:flex;align-items:center;padding:4rem 0 6rem}
.hero .wrap{position:relative;z-index:1}.hero .in{max-width:1040px}
.hero h1{font-size:clamp(3.12rem,7.68vw,6.48rem);font-weight:700;line-height:1.02;letter-spacing:-.03em}
.hero p.sub{font-size:clamp(1.05rem,2vw,1.25rem);line-height:1.6;color:#D3DBE6;margin-top:1.8rem;max-width:620px}
.sls{position:absolute;inset:0;z-index:-2;overflow:hidden;-webkit-mask-image:linear-gradient(180deg,#000 70%,transparent);mask-image:linear-gradient(180deg,#000 70%,transparent)}
.sl{position:absolute;inset:0;background:center/cover no-repeat;opacity:0;transform:scale(1.07);transition:opacity 1.8s ease}.hero.off .sl{transition:none}
.sl.on{will-change:transform,opacity;opacity:1;transform:scale(1);transition:opacity 1.8s ease,transform 9s linear}
.hgrid{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden;opacity:.5;-webkit-mask-image:radial-gradient(ellipse at center,#000 25%,transparent 75%);mask-image:radial-gradient(ellipse at center,#000 25%,transparent 75%)}
.hgrid::before{content:"";position:absolute;inset:-64px;background-image:linear-gradient(rgba(0,229,195,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,195,.08) 1px,transparent 1px);background-size:64px 64px;animation:pan 26s linear infinite;will-change:transform}
@keyframes pan{to{transform:translate3d(64px,64px,0)}}
.hero.off .hgrid::before{animation-play-state:paused;will-change:auto}

/* ---------- section headings ---------- */
.h-who{font-size:clamp(3.36rem,7.84vw,6.16rem);margin-bottom:1.8rem}
.h-infra,.h-par{font-size:clamp(3.24rem,7.56vw,5.94rem)}
.h-pil{font-size:clamp(3rem,7vw,5.5rem)}
.h-cta{font-size:clamp(3.48rem,8.12vw,6.38rem)}
.hd2{margin-bottom:2.6rem}.split.top{align-items:start}

/* ---------- infrastructure ---------- */
.alc{font:italic 500 clamp(1.5rem,2.6vw,2.1rem)/1.3 'Playfair Display',Georgia,serif;color:var(--tx)}
.alw{font:600 2.2rem/1.2 var(--sans);margin-top:.4rem}.alw i{font-style:normal;color:var(--ac)}
.assets{display:grid;grid-template-columns:1fr 1fr;gap:0 2rem;margin-top:2rem}
.as{display:flex;align-items:center;gap:1.1rem;padding:.9rem 0;border-top:1px solid var(--bd);transition:border-color .3s}
.as:hover{border-color:var(--ac)}.as span{font-size:1.08rem;font-weight:500}
.tile{width:58px;height:58px;flex:none;border-radius:14px;display:grid;place-items:center;color:var(--ac);background:rgba(0,212,180,.1);border:1px solid rgba(0,212,180,.38);transition:background .3s,box-shadow .3s}
.as:hover .tile{background:rgba(0,212,180,.2);box-shadow:0 0 28px -4px rgba(0,212,180,.55)}
@media(max-width:420px){.assets{grid-template-columns:1fr}}

/* ---------- partner rows ---------- */
.card.rows{padding:.2rem clamp(1.2rem,3vw,2.2rem)}.rows .row:first-child{border-top:0}
.row{display:grid;grid-template-columns:58px 1fr 1.4rem;gap:1.1rem;align-items:start;padding:1.7rem 0;border-top:1px solid var(--bd);transition:border-color .3s,padding .4s var(--ease)}
.row:hover{border-color:var(--ac);padding-left:.7rem}
.row .ibox{width:58px;height:58px;color:var(--c);background:color-mix(in srgb,var(--c) 13%,transparent);border-color:color-mix(in srgb,var(--c) 42%,transparent)}
.row .ibox .ic{width:27px;height:27px}
.row h3{font-size:1.3rem;margin-bottom:.4rem}.row p{color:var(--mu);font-size:1rem}
.row>.ic{color:var(--mu);margin-top:.5rem;transition:color .3s,transform .3s var(--ease)}.row:hover>.ic{color:var(--ac);transform:translate(3px,-3px)}
@media(max-width:520px){.row{grid-template-columns:48px 1fr 1.2rem}.row .ibox{width:48px;height:48px}.row .ibox .ic{width:23px;height:23px}}

/* ---------- pillars ---------- */
.pim{border-radius:14px;overflow:hidden;aspect-ratio:16/10;border:1px solid var(--bd);margin-bottom:1.5rem}
.pim img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}.pil:hover .pim img{transform:scale(1.06)}
.pil .k{display:flex;justify-content:space-between;align-items:center;font:700 .975rem 'Manrope',var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--ac);margin-bottom:1.1rem;border-top:1px solid var(--ac);padding-top:1.2rem}
.pil .k .ic{color:var(--gold);flex:none}.pil p{color:var(--mu)}

/* ---------- final banner ---------- */
.cta .btns{margin-top:1rem}

/* ---------- forms ---------- */
.fld{margin-bottom:1.2rem}
.fld label{display:block;font:500 .78rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--mu);margin-bottom:.5rem}
input,textarea{width:100%;background:rgba(40,43,50,.7);border:1px solid var(--bd);border-radius:12px;color:var(--tx);padding:.95rem 1rem;font:inherit;transition:border-color .25s,box-shadow .25s}
textarea{min-height:150px;resize:vertical}input::placeholder,textarea::placeholder{color:#8E9AAB}
input:focus,textarea:focus{outline:0;border-color:var(--ac);box-shadow:0 0 0 3px rgba(0,212,180,.18)}
[aria-invalid=true]{border-color:#ff7a7a}
.err{display:block;color:#ffb0b0;font-size:.85rem;min-height:1.3em;margin-top:.3rem}
.ferr{color:#ffb0b0;margin-top:1rem;font-size:.95rem}
.ok{text-align:center;padding:1.5rem 0;animation:pop .6s var(--ease)}
.ok .ibox{margin:0 auto 1.2rem;border-radius:50%}.ok p{color:var(--tx);font-size:1.15rem}
@keyframes pop{from{opacity:0;transform:translateY(10px)}}

/* ---------- academy ---------- */
.page{min-height:calc(100svh - 68px);display:grid;align-items:center}
.al .h-ac{font-size:clamp(5.2rem,20vw,17rem);line-height:.92;margin-bottom:1.6rem}
.inl{display:flex;gap:.8rem;max-width:520px;margin:2.2rem 0 0}.inl .fld{flex:1;margin:0}.inl .err{position:absolute}
.al .ok{text-align:left}.al .ok .ibox{margin:0 0 1.2rem}
@media(max-width:560px){.inl{flex-direction:column}.inl .btn{justify-content:center}.inl .err{position:static}}

/* ---------- academy: video + booking ---------- */
.ac2{padding:clamp(3rem,6vw,5rem) 0;align-items:start}
.ac2 .acw{display:flex;flex-direction:column;align-items:center;text-align:center}
.h-ac2{font-size:clamp(2.8rem,7.4vw,6rem);line-height:1.02;max-width:15ch;margin-bottom:1.4rem}
.acp{max-width:600px;margin-bottom:2.6rem}
.acrow{width:100%;display:grid;grid-template-columns:auto minmax(0,500px);justify-content:center;align-items:stretch;gap:clamp(2rem,5vw,4.5rem)}
.vid{position:relative;align-self:start;margin:0;width:min(380px,calc((100svh - 150px)*.5625));aspect-ratio:9/16;border-radius:22px;overflow:hidden;background:#1d2026;border:1px solid rgba(255,255,255,.22);box-shadow:0 40px 90px -30px rgba(0,0,0,.75),0 0 0 8px rgba(0,212,180,.06),0 30px 80px -30px rgba(0,212,180,.45);contain:paint}
.vid video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#1d2026;pointer-events:none;-webkit-user-select:none;user-select:none}
.vid video::-webkit-media-controls,.vid video::-webkit-media-controls-enclosure,.vid video::-webkit-media-controls-panel,.vid video::-webkit-media-controls-start-playback-button,.vid video::-webkit-media-controls-overlay-play-button{display:none!important;-webkit-appearance:none}
.vmute{pointer-events:none;position:absolute;top:14px;right:14px;z-index:2;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;padding:0;border:1px solid rgba(255,255,255,.28);background:rgba(20,22,28,.55);color:#fff;cursor:pointer;backdrop-filter:blur(10px) saturate(140%);-webkit-backdrop-filter:blur(10px) saturate(140%);opacity:0;transform:scale(.9);transition:opacity .4s,transform .4s var(--ease),background .25s,border-color .25s}
.vid.on .vmute{opacity:1;transform:none;pointer-events:auto}.vmute:hover{background:rgba(20,22,28,.78);border-color:var(--ac)}.vmute:active{transform:scale(.94)}
.vmute .i-off{display:none}.vmute[aria-pressed=true] .i-on{display:none}.vmute[aria-pressed=true] .i-off{display:block;color:var(--ac)}
.vplay{position:absolute;inset:0;width:100%;height:100%;border:0;padding:0;cursor:pointer;display:grid;place-items:center;background:linear-gradient(180deg,rgba(20,22,28,.05),rgba(20,22,28,.4));color:#03110E;transition:opacity .35s,background .3s}
.vplay:hover{background:linear-gradient(180deg,rgba(20,22,28,0),rgba(20,22,28,.3))}
.vpb{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;padding-left:5px;background:linear-gradient(135deg,#1CE6C6,#00C2A3);box-shadow:0 0 0 10px rgba(0,212,180,.2),0 16px 40px -8px rgba(0,212,180,.7);transition:transform .35s var(--ease),box-shadow .35s}
.vplay:hover .vpb{transform:scale(1.08);box-shadow:0 0 0 14px rgba(0,212,180,.22),0 20px 50px -8px rgba(0,212,180,.8)}
.vid.on .vplay{opacity:0;pointer-events:none}
.bk{width:100%;margin:0;text-align:left;display:flex;flex-direction:column;justify-content:center;padding:clamp(1.6rem,3.5vw,3rem);background:rgba(40,43,50,.62);border:1px solid var(--bd);border-radius:22px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 30px 80px -40px rgba(0,0,0,.6)}
.bk .fld{margin-bottom:1.1rem}.bk .err{min-height:1.2em}.bk input{padding:1.1rem 1.15rem}
.bl{width:100%;justify-content:center;font-size:1.2rem;padding:1.2rem 2rem;margin-top:.4rem;border-radius:14px}
.bk .ok{text-align:center}.bk .ok .ibox{margin:0 auto 1.2rem}
@media(max-width:860px){.acrow{grid-template-columns:minmax(0,1fr);justify-items:center;gap:2rem}.vid{width:min(360px,100%,calc((100svh - 150px)*.5625))}.bk{max-width:500px}}
/* soft blurred photo mosaic over the base background */
.mos{position:absolute;inset:0;z-index:-2;pointer-events:none;overflow:hidden;-webkit-mask-image:linear-gradient(180deg,transparent,#000 14%,#000 86%,transparent);mask-image:linear-gradient(180deg,transparent,#000 14%,#000 86%,transparent)}
.mos b{position:absolute;background:center/cover no-repeat;opacity:.26;border-radius:28px;-webkit-mask-image:radial-gradient(closest-side,#000 35%,transparent);mask-image:radial-gradient(closest-side,#000 35%,transparent)}
.m1{width:42%;height:30%;left:-8%;top:3%}.m2{width:38%;height:34%;right:-8%;top:2%;opacity:.22!important}
.m3{width:34%;height:28%;left:-6%;top:40%;opacity:.2!important}.m4{width:38%;height:28%;right:-8%;top:42%}
.m5{width:44%;height:30%;left:-6%;bottom:-2%;opacity:.3!important}.m6{width:44%;height:30%;right:-6%;bottom:-2%;opacity:.3!important}
@media(max-width:700px){.mos b{opacity:.22}.m1{width:70%;height:20%}.m2{width:70%;height:22%}.m3{width:60%;height:18%}.m4{width:60%;height:18%}.m5,.m6{width:70%;height:20%}}

/* ---------- contact ---------- */
.cs{padding:clamp(3.5rem,7vw,6rem) 0}
.chd{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:end;margin-bottom:3rem}.chd .big{margin:0}.chd p{color:var(--mu)}
.crow{display:grid;grid-template-columns:5fr 7fr;gap:2rem;align-items:stretch}
.crow .fig{min-height:460px}.crow .fig img{position:absolute;inset:0;height:100%;aspect-ratio:auto;object-position:center 24%}
.fcard{padding:clamp(1.5rem,4vw,2.6rem)}
@media(max-width:899px){.chd,.crow{grid-template-columns:1fr}.chd{gap:1.5rem}}

/* ---------- footer ---------- */
.ft{background:var(--bg);border-top:1px solid var(--bd);padding:3.5rem 0 2rem}
.ft-in{display:flex;flex-wrap:wrap;gap:2.5rem;justify-content:space-between;align-items:flex-start}
.ft img{height:34px;margin-bottom:1rem}.ft p{color:var(--mu);max-width:340px;font-size:.98rem}
.ft ul{display:flex;gap:2rem}.ft li a{color:var(--mu);transition:color .2s}.ft li a:hover{color:var(--ac)}
.disc{border-top:1px solid var(--bd);margin-top:2.5rem;padding-top:1.5rem;color:#B4BDCA;font-size:.85rem;line-height:1.6;max-width:none!important}

/* ---------- motion ---------- */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s)}
.js .rv:not(.in){will-change:opacity,transform}.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .rv{opacity:1;transform:none}}