/* Dark and light themes share one palette structure; the visitor picks one (or follows the system). Shape: pills for interactive, 36px for big containers, 14px for fields. One accent: the logo turquoise. Display type is Geist Bold with tight tracking. */
:root{
  color-scheme:dark;
  --bg:#0A0A09; --surface:#131312; --surface2:#1B1B19; --ink:#F1F0EB; --muted:#A8A8A1; --line:rgba(241,240,235,.14); --line-strong:rgba(241,240,235,.5); --field:rgba(241,240,235,.5);
  --hover:rgba(255,255,255,.08); --focus:#3FC1B5; --accent-text:#3FC1B5;
  --accent:#1E998F; --on-accent:#0A0A09; --err:#FF9C8F;
  --nav-bg:rgba(20,20,19,.55); --nav-line:rgba(255,255,255,.14); --nav-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 12px 40px rgba(0,0,0,.35);
  --brand-filter:none;
  --font:'Geist',system-ui,-apple-system,'Segoe UI',sans-serif;
  --display:'Geist',system-ui,-apple-system,'Segoe UI',sans-serif;
  --r:36px; --r-field:14px; --max:1320px; --gutter:clamp(20px,4vw,56px);
  --ease:cubic-bezier(.16,1,.3,1);
}
:root[data-theme="light"]{
  color-scheme:light;
  --bg:#EEF0EE; --surface:#FFFFFF; --surface2:#E4E7E4; --ink:#121312; --muted:#55595A; --line:rgba(18,19,18,.14); --line-strong:rgba(18,19,18,.5); --field:rgba(18,19,18,.5);
  --hover:rgba(18,19,18,.06); --focus:#121312; --accent-text:#146B64;
  --accent:#1E998F; --on-accent:#0A0A09; --err:#A32020;
  --nav-bg:rgba(255,255,255,.7); --nav-line:rgba(18,19,18,.12); --nav-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 12px 40px rgba(18,19,18,.14);
  --brand-filter:invert(1);
}
@media (prefers-color-scheme:light){
  :root:not([data-theme]){
    color-scheme:light;
  --bg:#EEF0EE; --surface:#FFFFFF; --surface2:#E4E7E4; --ink:#121312; --muted:#55595A; --line:rgba(18,19,18,.14); --line-strong:rgba(18,19,18,.5); --field:rgba(18,19,18,.5);
  --hover:rgba(18,19,18,.06); --focus:#121312; --accent-text:#146B64;
  --accent:#1E998F; --on-accent:#0A0A09; --err:#A32020;
  --nav-bg:rgba(255,255,255,.7); --nav-line:rgba(18,19,18,.12); --nav-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 12px 40px rgba(18,19,18,.14);
  --brand-filter:invert(1);
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.6 var(--font);-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.035em;line-height:1.05;margin:0;text-wrap:balance}
p{margin:0;max-width:62ch;text-wrap:pretty}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
section{padding-block:clamp(64px,8vw,120px)}
h2{font-size:clamp(2rem,3.9vw,3.5rem)}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--on-accent);padding:8px 14px;z-index:100;border-radius:999px}
.skip:focus{left:8px}
.w{display:inline-block}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;height:56px;padding:0 32px;font:600 1rem/1 var(--font);text-decoration:none;white-space:nowrap;border:1.5px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);cursor:pointer;transition:translate .5s var(--ease),transform .35s var(--ease),background .25s,color .25s,border-color .25s}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.btn-primary:hover{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.btn-ghost{border-color:rgba(241,240,235,.45)}
.btn-ghost:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.i{width:1.1em;height:1.1em;flex:none;transition:transform .35s var(--ease)}
.btn:hover .i{transform:translate(2px,-2px)}

/* floating glass nav (web approximation of frosted glass, solid fallback) */
.nav{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:50;width:min(calc(100% - 2*var(--gutter) + 24px),1120px);height:64px;padding:0 10px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-radius:999px;border:1px solid var(--nav-line);background:var(--nav-bg);backdrop-filter:blur(22px) saturate(170%);-webkit-backdrop-filter:blur(22px) saturate(170%);box-shadow:var(--nav-shadow)}
@media (prefers-reduced-transparency:reduce){.nav{background:var(--surface);backdrop-filter:none;-webkit-backdrop-filter:none}}
.logo{flex:none}
.logo img{height:44px;width:auto}
.logo .logo-light{display:none}
:root[data-theme="light"] .logo .logo-light{display:block}
:root[data-theme="light"] .logo .logo-dark{display:none}
@media (prefers-color-scheme:light){:root:not([data-theme]) .logo .logo-light{display:block}:root:not([data-theme]) .logo .logo-dark{display:none}}
.nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.nav ul a{display:block;text-decoration:none;font-weight:500;font-size:.9375rem;padding:10px 16px;border-radius:999px;color:var(--muted);transition:background .25s,color .25s}
.nav ul a:hover{background:var(--hover);color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav .btn{height:44px;padding:0 22px}
.lang{display:inline-grid;place-items:center;text-decoration:none;height:44px;min-width:48px;padding:0 14px;font:600 .875rem/1 var(--font);background:none;color:var(--ink);border:1px solid var(--line);border-radius:999px;cursor:pointer;transition:background .25s}
.lang:hover,.theme:hover{background:var(--hover)}
.theme{width:44px;height:44px;display:inline-grid;place-items:center;padding:0;background:none;color:var(--ink);border:1px solid var(--line);border-radius:50%;cursor:pointer;transition:background .25s}
.theme .i{width:1.15rem;height:1.15rem}
.theme .moon{display:none}
:root[data-theme="light"] .theme .sun{display:none}
:root[data-theme="light"] .theme .moon{display:block}
@media (prefers-color-scheme:light){:root:not([data-theme]) .theme .sun{display:none}:root:not([data-theme]) .theme .moon{display:block}}
@media (max-width:820px){.nav ul{display:none}}
@media (max-width:480px){.nav{gap:8px;padding:0 8px 0 14px}.nav-actions{gap:6px}.theme{width:40px;height:40px}.lang{min-width:40px;height:40px;padding:0}.nav .btn{height:40px;padding:0 14px;font-size:.875rem}.logo{flex:none}.logo img{height:32px}}

/* hero: pinned stage, image zooms and headline leaves as you scroll */
.hero{padding:0;position:relative}
.hero-stick{--bg:#0A0A09;--ink:#F1F0EB;--muted:#A8A8A1;--line:rgba(241,240,235,.14);--focus:#3FC1B5;color:var(--ink)}
.hero-stick{position:relative;height:100dvh;min-height:560px;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-1}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:50% 40%;will-change:transform}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,10,9,.92) 0%,rgba(10,10,9,.45) 42%,rgba(10,10,9,.05) 72%,rgba(10,10,9,.3) 100%)}
.hero-copy{width:100%;padding-bottom:clamp(36px,7vh,80px);padding-top:120px}
.hero h1{font-size:clamp(2.2rem,4.6vw,4.4rem);max-width:20ch;letter-spacing:-.04em}
.hero h1 .w{overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em}
.hero-copy p{margin-top:28px;font-size:1.1875rem;color:rgba(241,240,235,.84);max-width:38ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
@media (prefers-reduced-motion:no-preference){
  .hero h1 .w>span{display:inline-block;animation:wordUp 1.1s var(--ease) both;animation-delay:calc(var(--i)*80ms + 250ms)}
  .hero-copy p,.hero-cta{animation:rise 1s var(--ease) both;animation-delay:.9s}
  .hero-cta{animation-delay:1.05s}
  .hero-media img{animation:settle 2.4s var(--ease) both}
  @keyframes wordUp{from{transform:translateY(108%)}to{transform:none}}
  @keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
  @keyframes settle{from{transform:scale(1.16)}to{transform:scale(1.02)}}
  @supports (animation-timeline:scroll()){
    .hero-media img{animation:settle 2.4s var(--ease) both,zoom linear both;animation-timeline:auto,scroll(root);animation-range:normal,0 100vh}
    @keyframes zoom{to{scale:1.1}}
  }
}

/* clients */
.clients{padding-block:clamp(36px,5vw,64px);border-bottom:1px solid var(--line)}
.clients .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px 48px;flex-wrap:wrap}
.clients h2{font:500 1rem/1.2 var(--font);letter-spacing:0;color:var(--muted)}
.clients .marquee{flex:1 1 420px;min-width:0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.clients ul{display:flex;align-items:center;width:max-content;list-style:none;margin:0;padding:0}
.clients li{flex:none;padding-right:clamp(32px,4.5vw,64px)}
@media (prefers-reduced-motion:no-preference){
  .clients ul{animation:logos 32s linear infinite}
  .clients .marquee:hover ul{animation-play-state:paused}
  @keyframes logos{to{transform:translateX(-33.3333%)}}
}
@media (prefers-reduced-motion:reduce){.clients .marquee{-webkit-mask-image:none;mask-image:none;overflow:visible}.clients ul{width:auto;flex-wrap:wrap;gap:12px 0}.clients li[data-dup]{display:none}}
.clients img{height:26px;width:auto;max-width:150px;object-fit:contain;opacity:.85;filter:var(--brand-filter)}

/* applications: three calm rows */
.apps-head{margin-bottom:clamp(32px,4vw,56px)}
.apps{display:grid;gap:20px;grid-auto-rows:1fr}
.app{position:relative;display:grid;grid-template-columns:5fr 7fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .6s var(--ease),border-color .35s}
.app::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:0;transition:opacity .4s;background:radial-gradient(520px circle at var(--mx,50%) var(--my,50%),rgba(30,153,143,.20),transparent 62%)}
.app:hover{transform:translateY(-8px);border-color:var(--accent)}
.app:hover::before{opacity:1}
.app:hover .ext .i{transform:translate(3px,-3px)}
.app{overflow:hidden}
.app>img{width:100%;height:100%;min-height:300px;object-fit:cover;transition:transform 1s var(--ease)}
.app .img{overflow:hidden}
.app .txt{padding:clamp(24px,3.6vw,56px);display:flex;flex-direction:column;justify-content:center;gap:16px}
.app h3{font-size:clamp(1.6rem,2.6vw,2.4rem);letter-spacing:-.035em}
.app p{color:var(--muted);font-size:1.0625rem}
.app:hover>img{transform:scale(1.03)}
.ext{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;font-weight:600;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:5px}
.note{color:var(--ink)!important}
@media (max-width:820px){.app{grid-template-columns:1fr}.app>img{height:auto;aspect-ratio:16/10;min-height:0}}

/* projects: snap rail, alternating heights */
#projects{padding-top:clamp(56px,7vw,96px)}
.proj-head{display:grid;grid-template-columns:1fr auto;align-items:end;gap:24px;margin-bottom:clamp(28px,4vw,44px)}
.chips{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px}
.chip{height:44px;padding:0 22px;font:500 .9375rem/1 var(--font);background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:999px;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.chip:hover{border-color:var(--line-strong)}
.chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.rail-nav{display:flex;gap:8px}
.rail-nav button .i{width:1.3rem;height:1.3rem}
.rail-nav button{width:56px;height:56px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);font-size:1.3rem;display:grid;place-items:center;cursor:pointer;transition:background .25s,color .25s}
.rail-nav button:hover{background:var(--ink);color:var(--bg)}
.pgrid{--pad:max(var(--gutter),calc(50vw - 660px + var(--gutter)));display:flex;align-items:flex-start;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;margin-inline:calc(50% - 50vw);padding-inline:var(--pad);scroll-padding-inline:var(--pad);padding-bottom:8px;scrollbar-width:none}
.pgrid::-webkit-scrollbar{display:none}
.pitem{flex:0 0 min(84vw,700px);scroll-snap-align:start;margin:0}
.pitem[hidden]{display:none}
.pbtn{display:block;width:100%;padding:0;border:0;background:none;color:inherit;text-align:left;cursor:zoom-in;font:inherit}
.pimg{overflow:hidden;background:var(--surface);aspect-ratio:4/3;border-radius:var(--r);transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.pbtn:hover .pimg{transform:translateY(-8px)}
.pimg img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.pbtn:hover img{transform:scale(1.05)}
.pcap{display:flex;justify-content:space-between;gap:16px;margin-top:18px;padding-inline:8px;font:600 1.25rem/1.2 var(--display);letter-spacing:-.02em}
.pcap span:last-child{color:var(--muted);font:400 1rem/1.4 var(--font);white-space:nowrap}
@media (prefers-reduced-motion:no-preference){.pitem.show .pbtn,.pitem.show .pcap{animation:rise .6s var(--ease) both}}

dialog{border:0;padding:0;background:transparent;max-width:min(1100px,94vw);width:100%;color:#fff;overflow:visible}
dialog::backdrop{background:rgba(6,6,5,.92);backdrop-filter:blur(6px)}
dialog img{width:100%;max-height:78dvh;object-fit:contain;border-radius:20px;background:#0A0A09}
.lb-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 4px 0}
.lb-nav{display:flex;gap:8px}
.lb-bar button .i{width:1.2rem;height:1.2rem}
.lb-bar button{width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;font-size:1.2rem;cursor:pointer;display:grid;place-items:center}
.lb-bar button:hover{background:#fff;color:#0A0A09}

/* corporate: huge statement lights up word by word */
.corp h2.statement{font-size:clamp(1.9rem,3.6vw,3.4rem);max-width:24ch;margin-bottom:clamp(48px,7vw,104px)}
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    .statement .w>span{opacity:.16;animation:lit linear both;animation-timeline:view();animation-range:cover 8% cover 36%}
    @keyframes lit{to{opacity:1}}
  }
}
.corp .grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(32px,6vw,96px);align-items:end}
.corp figure{margin:0}
.corp figure img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r)}
.corp .lead{font-size:1.1875rem;color:var(--muted)}
.facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:clamp(20px,4vw,56px);margin:48px 0 0;padding-top:32px;border-top:1px solid var(--line)}
.facts div{display:flex;flex-direction:column-reverse;gap:6px}
.facts dt{color:var(--muted);font-size:.9375rem}
.facts dd{margin:0;font:700 clamp(2.4rem,4.2vw,3.75rem)/1 var(--display);letter-spacing:-.04em}
@media (max-width:820px){.corp .grid{grid-template-columns:1fr}.corp figure img{aspect-ratio:4/3}}

/* policies */
#policies{padding-top:0}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:clamp(28px,4vw,48px)}
.tab{height:52px;padding:0 26px;font:500 1rem/1 var(--font);color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:999px;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.tab:hover{border-color:var(--line-strong)}
.tab[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.panels{margin-top:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(28px,4.4vw,64px)}
.panel{max-width:70ch}
.panel[hidden]{display:none}
.panel p{color:var(--ink);font-size:1.125rem}
.panel p+p{margin-top:1em}
@media (prefers-reduced-motion:no-preference){.panel{animation:rise .5s var(--ease) both}}
@media (max-width:820px){.tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.tab{flex:none}}

/* contact */
#contact{padding-top:0}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:44px;padding:clamp(28px,5.5vw,88px)}
.contact-card h2{font-size:clamp(2rem,3.9vw,3.5rem)}
.mega{display:inline-block;margin-top:clamp(20px,3vw,36px);font:600 clamp(1.1rem,4.6vw,2.25rem)/1.1 var(--display);letter-spacing:-.03em;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:.08em;text-underline-offset:.16em;transition:color .25s}
.mega:hover{color:var(--accent-text)}
.contact-grid{display:grid;grid-template-columns:4fr 8fr;gap:clamp(32px,6vw,96px);margin-top:clamp(40px,6vw,88px);padding-top:clamp(32px,4vw,56px);border-top:1px solid var(--line)}
.info{display:grid;gap:28px;margin:0;align-content:start}
.info dt .i{width:1rem;height:1rem}
.info dt{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.9375rem;margin-bottom:4px}
.info dd{margin:0;font-size:1.125rem}
form{display:grid;gap:22px;align-content:start}
.row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:flex;flex-direction:column;gap:8px}
label{font-weight:500;font-size:.9375rem}
.opt{font-weight:400;color:var(--muted)}
input,textarea{width:100%;font:400 1rem/1.4 var(--font);color:var(--ink);background:var(--bg);border:1px solid var(--field);border-radius:var(--r-field);padding:15px 16px}
textarea{min-height:160px;resize:vertical}
input:focus-visible,textarea:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-color:var(--focus)}
.err{display:none;color:var(--err);font-size:.9rem}
.field[data-invalid] .err{display:block}
.field[data-invalid] input,.field[data-invalid] textarea{border-color:var(--err)}
.status{min-height:1.6em;font-weight:500}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.btn[disabled]{opacity:.6;cursor:progress}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr}.row{grid-template-columns:1fr}}

footer{padding:32px 0 40px;color:var(--muted);font-size:.9375rem;overflow:hidden}
footer .social{display:flex;gap:16px}
footer .social a{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px}

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.note-inline{color:var(--ink)}

/* ---- scroll-driven motion for projects and applications ---- */
@media (prefers-reduced-motion:no-preference){
  /* lightbox: a small state change, so it eases in */
  dialog[open]{animation:pop .4s var(--ease)}
  dialog[open]::backdrop{animation:fadeIn .3s ease-out}
  @keyframes pop{from{opacity:0;transform:translateY(18px) scale(.97)}}
  @keyframes fadeIn{from{opacity:0}}

  @supports (animation-timeline:view()) {
    /* projects: cards grow into place from the rail edge, photo drifts inside its frame */
    .pitem{animation:cardIn linear both;animation-timeline:view(inline);animation-range:entry 0% entry 100%}
    @keyframes cardIn{from{opacity:.25;translate:56px 0}to{opacity:1;translate:0 0}}
    .pimg img{scale:1.2;animation:pan linear both;animation-timeline:view(inline);animation-range:cover 0% cover 100%}
    @keyframes pan{from{translate:-6% 0}to{translate:6% 0}}

    /* applications: the whole card unfolds from a smaller, rounded, offset shape into full size */
    .app{animation:cardUnfold linear both;animation-timeline:view();animation-range:entry 0% entry 75%}
    @keyframes cardUnfold{
      from{opacity:0;scale:.9;translate:0 110px;clip-path:inset(9% 6% 9% 6% round 80px)}
      to{opacity:1;scale:1;translate:0 0;clip-path:inset(0 0 0 0 round 36px)}
    }
    .app>img{animation:drift linear both;animation-timeline:view();animation-range:cover 0% cover 100%}
    @keyframes drift{from{scale:1.14;translate:0 -3%}to{scale:1.02;translate:0 3%}}
    .app .txt>*{animation:textUp linear both;animation-timeline:view();animation-range:entry 30% entry 80%}
    .app .txt>:nth-child(2){animation-range:entry 38% entry 88%}
    .app .txt>:nth-child(3){animation-range:entry 46% entry 96%}
    .app .txt>:nth-child(n+4){animation-range:entry 54% entry 100%}
    @keyframes textUp{from{opacity:0;translate:0 28px}to{opacity:1;translate:0 0}}
  }
}

/* smooth colour change while switching theme */
@media (prefers-reduced-motion:no-preference){
  html.theme-anim,html.theme-anim *,html.theme-anim *::before,html.theme-anim *::after{transition:background-color .35s ease,color .35s ease,border-color .35s ease,fill .35s ease !important}
}