/* Martin Sas · styles.css · fonts are self-hosted (Bricolage Grotesque, IBM Plex: OFL 1.1)
   Dark only: deep-space navy with one accent. The accent follows the chosen colour view (js/lenses.js);
   the Gold view restores the original navy and gold identity of the CV and portraits.
   Shape rule: interactive controls are pills, surfaces are 4px.
   Layers: scenes 0 · scrims 1 · content 1-2 · rail 9 · header 10 · skip link 30 (the pop-up dialog sits in the top layer) */

@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-display:swap;font-weight:200 800;src:url(/fonts/bricolage-grotesque-latin-opsz-normal.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-display:swap;font-weight:200 800;src:url(/fonts/bricolage-grotesque-latin-ext-opsz-normal.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/ibm-plex-sans-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-display:swap;font-weight:500;src:url(/fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-display:swap;font-weight:500;src:url(/fonts/ibm-plex-sans-latin-ext-500-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/ibm-plex-mono-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

/* Registered so a colour-view change fades instead of jumping. */
@property --accent{syntax:"<color>";inherits:true;initial-value:#5CDDEB}
@property --accent-1{syntax:"<color>";inherits:true;initial-value:#8DE7F1}

/* ============ tokens ============ */
:root{
  color-scheme:dark;
  --ink:#080D1A;            /* deep-space navy, page ground */
  --surface:#0C1426;
  --surface-2:#111B32;
  --line:rgb(233 236 243 / .09);
  --line-2:rgb(233 236 243 / .18);
  /* The one accent. Set at runtime by js/lenses.js from the chosen colour view (default: Vortex);
     these are the Vortex values for the first paint. Every accent reaches 4.5:1 on --ink. */
  --accent:#5CDDEB;
  --accent-1:rgb(141 231 241);
  --accent-line:rgb(92 221 235 / .34);
  --accent-soft:rgb(92 221 235 / .1);
  --paper:#F3EFE4;
  --text:#E9ECF3;
  --dim:#B4BCCC;            /* 10:1 on --ink */
  --faint:#8D97AE;          /* 6.4:1 on --ink */
  --on-accent:#080D1A;
  --glass:rgb(8 13 26 / .84);
  --hdr:64px;
  --gutter:clamp(16px,4vw,48px);
  --r:4px;
  --pill:999px;
  --ease:cubic-bezier(.16,1,.3,1);
  --fd:"Bricolage Grotesque",ui-sans-serif,"Trebuchet MS",sans-serif;
  --fb:"IBM Plex Sans",ui-sans-serif,system-ui,"Segoe UI",sans-serif;
  --fm:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  transition:--accent .6s var(--ease),--accent-1 .6s var(--ease);
}

/* ============ base ============ */
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;scroll-padding-top:var(--hdr);-webkit-text-size-adjust:100%;text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:var(--fb);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
/* hidden="until-found" must stay searchable (the browser renders it with content-visibility). */
[hidden]:not([hidden="until-found"]){display:none!important}
img,svg,canvas,video{display:block}
img{max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--fd);margin:0;font-weight:400;text-wrap:balance}
p,figure,blockquote,dl,dd{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
::selection{background:color-mix(in srgb,var(--accent) 40%,transparent);color:var(--paper)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--gutter)}
.ico{width:18px;height:18px;flex:none}

.skip{
  position:fixed;left:16px;top:-64px;z-index:30;
  background:var(--accent);color:var(--on-accent);
  padding:10px 18px;border-radius:var(--pill);font-weight:500;text-decoration:none;
  transition:top .2s var(--ease);
}
.skip:focus{top:12px}
.sentinel{position:absolute;top:0;left:0;width:1px;height:48px;pointer-events:none}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:46px;padding:0 22px;border-radius:var(--pill);
  background:var(--accent);color:var(--on-accent);border:1px solid var(--accent);
  font:500 15px/1 var(--fb);text-decoration:none;white-space:nowrap;cursor:pointer;
  transition:background-color .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),transform .15s var(--ease);
}
.btn:hover{background:var(--accent-1);border-color:var(--accent-1)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn .ico{transition:transform .3s var(--ease)}
.btn:hover .ico{transform:translateX(3px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{background:color-mix(in srgb,var(--accent) 8%,transparent);border-color:var(--accent-line);color:var(--accent-1)}
.btn-ghost:hover .ico{transform:none}

/* ============ header ============ */
.bar{
  position:fixed;top:0;left:0;right:0;z-index:10;height:var(--hdr);
  border-bottom:1px solid transparent;
  transition:background-color .35s var(--ease),border-color .35s var(--ease);
}
.bar.scrolled,.bar.open{background:var(--glass);border-bottom-color:var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.bar-in{height:100%;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.mark{width:26px;height:26px;fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round}
.mark .mark-core{fill:var(--accent-1);stroke:none}
.wordmark{font:500 18px/1 var(--fd);letter-spacing:-.01em;color:var(--paper)}
.nav{display:flex;align-items:center;gap:clamp(14px,2vw,28px);margin-left:auto}
.nav a{font-size:14px;color:var(--dim);text-decoration:none;transition:color .2s}
.nav a:hover,.nav a[aria-current="true"]{color:var(--paper)}
.nav a[aria-current="true"]{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:8px;text-decoration-thickness:1px}
.nav .nav-cv{border:1px solid var(--line-2);border-radius:var(--pill);padding:7px 14px;color:var(--text)}
.nav .nav-cv:hover{border-color:var(--accent-line);color:var(--accent-1)}
.bar-end{display:flex;align-items:center;gap:8px}
.lang{display:flex;border:1px solid var(--line);border-radius:var(--pill);padding:2px}
.lang button{
  font:400 12px/1 var(--fm);letter-spacing:.06em;color:var(--faint);
  background:none;border:0;border-radius:var(--pill);padding:7px 10px;cursor:pointer;min-height:30px;
}
.lang button[aria-pressed="true"]{color:var(--on-accent);background:var(--accent)}
.lang button:not([aria-pressed="true"]):hover{color:var(--paper)}
.menu-btn{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:none;border:1px solid var(--line-2);border-radius:var(--pill);color:var(--text);cursor:pointer;
}
.menu-btn .ico-close{display:none}
.menu-btn[aria-expanded="true"] .ico-open{display:none}
.menu-btn[aria-expanded="true"] .ico-close{display:block}

@media (max-width:959px){
  .menu-btn{display:inline-flex}
  .bar-end{margin-left:auto}
  .nav{
    position:fixed;top:var(--hdr);left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:0;
    /* Opaque: a backdrop-filter nested inside the header's own blur does not apply,
       and any translucency lets the hero headline ghost through. */
    padding:8px var(--gutter) 24px;background:var(--ink);
    border-bottom:1px solid var(--line);
    display:none;
  }
  .bar.open .nav{display:flex}
  .nav a{font:400 22px/1.2 var(--fd);color:var(--text);padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .nav-cv{border:0;border-radius:0;padding:14px 0;color:var(--accent-1)}
}

/* ============ story rail ============ */
.rail{
  position:fixed;right:clamp(14px,2vw,28px);top:50%;z-index:9;
  display:flex;flex-direction:column;align-items:flex-end;gap:12px;
  transform:translateY(-50%);opacity:0;visibility:hidden;
  transition:opacity .4s var(--ease),visibility .4s;
}
.in-story .rail{opacity:1;visibility:visible}
.rail a{
  display:flex;align-items:center;gap:10px;min-height:24px;
  font:400 11px/1 var(--fm);letter-spacing:.12em;text-transform:uppercase;
  color:var(--faint);text-decoration:none;transition:color .25s;
}
.rail a::after{content:"";width:18px;height:1px;background:currentColor;transition:width .3s var(--ease),background-color .3s}
.rail a:hover{color:var(--paper)}
.rail a[aria-current="step"]{color:var(--paper)}
.rail a[aria-current="step"]::after{width:36px;background:var(--accent)}
@media (max-width:1099px){.rail{display:none}}

/* ============ hero ============ */
.hero{
  position:relative;min-height:100vh;min-height:100dvh;overflow:clip;
  display:grid;align-items:center;
  padding:calc(var(--hdr) + 32px) 0 clamp(40px,7vh,72px);
}
.hero-field{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:30%;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,transparent,var(--ink));
}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:clamp(32px,6vw,96px);align-items:center}
.eyebrow{font:400 12px/1.4 var(--fm);letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.hero-name{
  margin-top:20px;font-weight:300;letter-spacing:-.035em;line-height:.92;color:var(--paper);
  font-size:clamp(60px,9.4vw,140px);
}
.hero-sub{margin-top:26px;max-width:34ch;font-size:clamp(17px,1.6vw,21px);line-height:1.55;color:var(--dim)}
.hero-cta{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px}
.hero-portrait{position:relative;justify-self:end;width:min(100%,calc((100dvh - var(--hdr) - 120px) * .8),440px);margin-top:10vh}
.hero-portrait::before{
  content:"";position:absolute;inset:-14px 14px 14px -14px;z-index:-1;
  border:1px solid var(--accent-line);border-radius:var(--r);
}
.hero-portrait img{width:100%;border-radius:var(--r);box-shadow:0 30px 80px -30px rgb(3 6 14 / .9)}

@media (prefers-reduced-motion:no-preference){
  .rise{animation:rise 1s var(--ease) both}
  .r2{animation-delay:.08s}.r3{animation-delay:.18s}.r4{animation-delay:.28s}
  @keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
}

@media (max-width:899px){
  .hero{align-items:start}
  .hero-in{grid-template-columns:1fr;gap:40px}
  .hero-portrait{justify-self:start;width:min(72vw,300px);margin:0 0 0 14px}
}

/* ============ story ============ */
/* One stage pinned behind the whole story (js/story.js draws on it); the phases scroll over it.
   .story-track is pulled up by one screen so the first phase starts on top of the stage. */
.story{position:relative}
.story-stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;z-index:0}
.story-gl,.story-video{position:absolute;inset:0;width:100%;height:100%}
.story-video{object-fit:cover;opacity:0}
.story-shade{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgb(8 13 26 / .7) 0%,rgb(8 13 26 / 0) 24%,rgb(8 13 26 / 0) 52%,rgb(8 13 26 / .88) 100%),
    radial-gradient(90% 70% at 50% 45%,transparent 55%,rgb(8 13 26 / .55));
}
/* Without WebGL2 the stage keeps a quiet accent glow so the copy still sits on something. */
.no-story-gl .story-stage{background:radial-gradient(70% 60% at 70% 40%,var(--accent-soft),transparent 70%)}
.story-track{position:relative;z-index:1;margin-top:-100vh;margin-top:-100svh}
.phase{position:relative;height:200vh}
.phase-last{height:150vh}
.phase-inner{
  position:sticky;top:0;height:100vh;height:100svh;
  display:flex;flex-direction:column;justify-content:flex-end;
}
.readout{
  position:absolute;z-index:2;top:calc(var(--hdr) + 28px);
  left:max(var(--gutter),calc((100% - 1240px) / 2 + var(--gutter)));
  padding-left:14px;border-left:1px solid var(--accent-line);
  font:400 12px/1.9 var(--fm);letter-spacing:.06em;color:var(--dim);
}
.ro-head{color:var(--accent);text-transform:uppercase;letter-spacing:.16em}
.phase-copy{position:relative;z-index:2;padding-bottom:clamp(48px,11vh,120px)}
.js .phase-copy{opacity:var(--o,1);transform:translateY(calc((1 - var(--o,1)) * 28px))}
.phase-copy h3{
  font-weight:300;letter-spacing:-.03em;line-height:.98;color:var(--paper);
  font-size:clamp(40px,6.4vw,96px);max-width:14ch;
}
.phase-copy h3 span,.phase-copy h3 em{display:block}
.phase-copy h3 em{font-style:normal;font-weight:600;color:var(--accent-1)}
.phase-copy p{margin-top:24px;max-width:46ch;font-size:clamp(16px,1.4vw,18px);line-height:1.6;color:var(--dim)}
#ph-purpose .phase-copy h3{max-width:18ch}

@media (max-width:719px){
  .phase{height:170vh}
  .phase-last{height:130vh}
  .readout{font-size:11px;line-height:1.8}
}

/* ============ generic section frame ============ */
.section{position:relative;z-index:1;padding:clamp(96px,14vh,168px) 0}
.sec-title{
  font-weight:300;letter-spacing:-.03em;line-height:1;color:var(--paper);
  font-size:clamp(36px,5vw,68px);max-width:16ch;margin-bottom:clamp(40px,6vh,72px);
}
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{transform:none;transition:opacity .3s linear}}

/* ============ vision ============ */
.statement{
  font:300 clamp(26px,3.3vw,48px)/1.18 var(--fd);letter-spacing:-.02em;color:var(--paper);max-width:26em;
}
.statement .hl{color:var(--accent-1);font-weight:500}
.vm-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(32px,5vw,72px);
  margin:clamp(56px,9vh,96px) 0 0 calc(100% / 12 * 4);
}
.vm h3{font:500 15px/1 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.vm p{font-size:17px;line-height:1.7;color:var(--dim);max-width:46ch}
@media (max-width:899px){.vm-grid{margin-left:0;grid-template-columns:1fr}}

/* ============ evidence ============ */
.evidence{background:linear-gradient(180deg,var(--ink),#060A15 60%,var(--ink))}
.stats{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
.stat{display:flex;flex-direction:column;gap:14px;padding:32px 24px 8px}
.stat + .stat{border-left:1px solid var(--line)}
.stat-feature{padding-left:0}
.stat .v{font:300 clamp(44px,4.6vw,66px)/.95 var(--fd);letter-spacing:-.03em;color:var(--paper);font-variant-numeric:tabular-nums}
.stat-feature .v{font-size:clamp(96px,11vw,168px);color:var(--accent-1)}
.stat .k{font-size:15px;line-height:1.5;color:var(--dim);max-width:24ch}
.quote{
  display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:start;
  max-width:820px;margin:clamp(72px,11vh,128px) 0 0 auto;
}
.quote img{width:88px;height:88px;border-radius:50%;object-fit:cover;border:1px solid var(--accent-line)}
.quote blockquote p{font:300 clamp(22px,2.4vw,32px)/1.3 var(--fd);letter-spacing:-.015em;color:var(--paper)}
.quote figcaption{grid-column:2;margin-top:-8px;font:400 12px/1.4 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
@media (max-width:899px){
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-feature{grid-column:1 / -1;padding-right:0}
  .stat + .stat{border-left:0}
  .stat:nth-child(n+2){border-top:1px solid var(--line);padding-left:0}
  .stat:nth-child(odd):not(.stat-feature){border-left:1px solid var(--line);padding-left:24px}
}
@media (max-width:539px){
  .quote{grid-template-columns:1fr;gap:20px}
  .quote figcaption{grid-column:1;margin-top:0}
}

/* ============ expertise bento ============ */
.bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:minmax(190px,auto);gap:12px}
.cell{
  position:relative;overflow:hidden;isolation:isolate;
  display:flex;flex-direction:column;gap:12px;padding:clamp(24px,2.6vw,36px);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  transition:border-color .35s var(--ease),transform .35s var(--ease);
}
.cell:hover{border-color:var(--accent-line);transform:translateY(-2px)}
.cell-ico{width:32px;height:32px;color:var(--accent);margin-bottom:auto}
.cell h3{margin-top:28px;font-size:clamp(21px,1.9vw,26px);line-height:1.15;letter-spacing:-.015em;color:var(--paper);font-weight:500}
.cell p{font-size:15px;line-height:1.6;color:var(--dim);max-width:52ch}
.cell .proof{font:400 12px/1.5 var(--fm);letter-spacing:.08em;text-transform:uppercase;color:var(--accent-1)}
.c-sensing{grid-column:1 / span 2;background:linear-gradient(135deg,var(--surface-2),var(--surface) 60%)}
.c-metrology{
  grid-column:3;grid-row:1 / span 2;
  background:
    radial-gradient(circle at 70% 26%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 30%),
    repeating-radial-gradient(circle at 70% 26%,color-mix(in srgb,var(--accent) 16%,transparent) 0 1px,transparent 1px 34px),
    var(--surface);
}
.c-photonics{grid-column:1}
.c-film{grid-column:2;justify-content:flex-end}
.c-film .cell-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.c-film::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgb(8 13 26 / .35),rgb(8 13 26 / .94) 62%)}
.c-film .cell-ico{margin-bottom:auto}
.c-rf{grid-column:1}
.c-ai{
  grid-column:2 / span 2;
  background:
    radial-gradient(circle,color-mix(in srgb,var(--accent) 22%,transparent) 1px,transparent 1.6px) 0 0 / 20px 20px,
    linear-gradient(90deg,var(--surface) 30%,transparent),
    var(--surface);
}
@media (max-width:959px){
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .c-sensing,.c-ai{grid-column:1 / -1}
  .c-metrology,.c-photonics,.c-film,.c-rf{grid-column:auto;grid-row:auto}
}
@media (max-width:599px){
  .bento{grid-template-columns:1fr;grid-auto-rows:auto}
  .cell{min-height:240px}
}

/* ============ record ============ */
.rec-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);gap:clamp(48px,7vw,112px);align-items:start}
.timeline{border-left:1px solid var(--line);padding-left:32px}
.tl{position:relative}
.tl + .tl{margin-top:44px}
.tl::before{content:"";position:absolute;left:-32px;top:9px;width:14px;height:1px;background:var(--accent)}
.tl .yr{font:400 12px/1.4 var(--fm);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.tl h3{margin-top:8px;font-size:clamp(20px,1.8vw,24px);line-height:1.2;font-weight:500;letter-spacing:-.01em;color:var(--paper)}
.tl .org{margin-top:4px;font-size:14px;color:var(--faint)}
.tl ul{margin-top:14px;display:grid;gap:6px}
.tl ul li{position:relative;padding-left:18px;font-size:15px;line-height:1.55;color:var(--dim)}
.tl ul li::before{content:"";position:absolute;left:0;top:.8em;width:8px;height:1px;background:var(--faint)}
.rec-side{display:grid;gap:36px;position:sticky;top:calc(var(--hdr) + 32px)}
.blk h3{font:400 12px/1.4 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.blk dl{display:grid;gap:12px}
.blk dl div{display:flex;justify-content:space-between;align-items:baseline;gap:16px}
.blk dt{font-size:15px;line-height:1.4;color:var(--text)}
.blk dt a{text-decoration-color:var(--accent-line);text-underline-offset:4px;text-decoration-thickness:1px}
.blk dt a:hover{color:var(--accent-1);text-decoration-color:var(--accent-1)}
.blk dd{flex:none;font:400 12px/1.4 var(--fm);letter-spacing:.04em;color:var(--faint);text-align:right}
.blk > p{font-size:15px;line-height:1.6;color:var(--dim)}
.tag{display:inline-block;padding:4px 9px;border:1px solid var(--line-2);border-radius:var(--pill);color:var(--dim);white-space:nowrap}
.tag-strong{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.rec-side .btn{justify-self:start}
@media (max-width:899px){
  .rec-grid{grid-template-columns:1fr}
  .rec-side{position:static}
  .timeline{padding-left:24px}
  .tl::before{left:-24px;width:10px}
}
@media (max-width:420px){
  .blk dl div{flex-direction:column;gap:4px}
  .blk dd{text-align:left}
}

/* ============ projects ============ */
.pr-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);grid-template-rows:auto auto;gap:12px}
.pr-feature{
  grid-row:1 / span 2;display:flex;flex-direction:column;gap:14px;
  padding:clamp(28px,3vw,44px);border:1px solid var(--accent-line);border-radius:var(--r);
  background:radial-gradient(120% 80% at 0% 0%,color-mix(in srgb,var(--accent) 16%,transparent),transparent 60%),var(--surface);
}
.pr-ico{width:44px;height:44px;color:var(--accent);margin-bottom:auto}
.status{align-self:flex-start;margin-top:48px;padding:5px 11px;border:1px solid var(--accent-line);border-radius:var(--pill);font:400 11px/1.3 var(--fm);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-1)}
.pr-feature h3{font-size:clamp(28px,2.8vw,38px);line-height:1.08;font-weight:400;letter-spacing:-.02em;color:var(--paper)}
.pr-feature p:not(.status){font-size:16px;line-height:1.65;color:var(--dim);max-width:40ch}
.pr-card{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);height:100%;
  text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:border-color .35s var(--ease);
}
.pr-card:hover{border-color:var(--accent-line)}
.pr-media{position:relative;overflow:hidden;min-height:180px}
.pr-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:0 50%;transform-origin:0 50%;transition:transform .8s var(--ease)}
.pr-card:hover .pr-media img{transform:scale(1.04)}
.pr-body{display:flex;flex-direction:column;gap:8px;padding:24px}
.pr-name{font:500 22px/1.15 var(--fd);color:var(--paper)}
.pr-desc{font-size:15px;line-height:1.55;color:var(--dim)}
.pr-domain{margin-top:auto;padding-top:12px;display:inline-flex;align-items:center;gap:6px;font:400 12px/1.4 var(--fm);color:var(--accent-1)}
.pr-domain .ico{width:14px;height:14px}
.more-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:28px;
  font:400 13px/1.4 var(--fm);letter-spacing:.06em;color:var(--accent-1);text-decoration:none;
  border-bottom:1px solid var(--accent-line);padding-bottom:4px;
}
.more-link:hover{border-bottom-color:var(--accent-1)}
.more-link .ico{width:14px;height:14px}
@media (max-width:899px){
  .pr-grid{grid-template-columns:1fr}
  .pr-feature{grid-row:auto}
}
@media (max-width:539px){
  .pr-card{grid-template-columns:1fr}
  .pr-media{aspect-ratio:2 / 1;min-height:0}
}

/* ============ contact ============ */
.contact{padding-bottom:clamp(96px,16vh,180px)}
.contact-title{font-weight:300;letter-spacing:-.04em;line-height:.95;color:var(--paper);font-size:clamp(48px,8vw,120px);max-width:12ch}
.contact-sub{margin-top:24px;max-width:44ch;font-size:clamp(16px,1.4vw,19px);color:var(--dim)}
.email{margin-top:44px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 14px}
.email-link{
  margin-right:12px;font:400 clamp(22px,3vw,38px)/1.2 var(--fd);letter-spacing:-.01em;color:var(--accent-1);
  text-decoration:underline;text-decoration-color:var(--accent-line);text-underline-offset:8px;text-decoration-thickness:1px;
  overflow-wrap:anywhere;
}
.email-link:hover{text-decoration-color:var(--accent-1)}
.copy-status{margin-top:16px;min-height:1.5em;font:400 13px/1.5 var(--fm);color:var(--accent-1)}

/* ============ footer ============ */
.foot{border-top:1px solid var(--line);padding:28px 0}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:14px;color:var(--faint)}
.foot a{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:var(--dim)}
.foot a:hover{color:var(--accent-1)}
.foot .ico{width:14px;height:14px}

/* ============ 404 ============ */
.lost{min-height:100vh;min-height:100dvh;display:grid;align-content:center;gap:24px;padding-block:var(--hdr)}
.lost h1{font-weight:300;letter-spacing:-.04em;line-height:.95;color:var(--paper);font-size:clamp(48px,8vw,112px)}
.lost p{color:var(--dim);max-width:40ch}
.lost .btn{justify-self:start}

/* ============ hero wave field (js/wavefield.js) ============ */
.hero-field{opacity:0;transition:opacity 1.6s ease}
/* A soft scrim keeps the headline readable over the brightest ridges. */
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(60% 55% at 22% 50%,rgb(8 13 26 / .78),rgb(8 13 26 / 0) 70%);
}
.gl-ready .hero-field{opacity:1}
/* Without WebGL2 (or after a lost context) a still of the same plane is shown instead. */
.no-gl .hero{background:url(/images/hero-wave.webp) center bottom / cover no-repeat}
.no-gl .hero-field{display:none}

/* ============ folded sections ============
   .fold-head is always visible: text column + scroll-linked graphic.
   .fold-body unfolds; JS sets hidden="until-found" so find-in-page can still reach it. */
.fold-sec{padding:clamp(56px,9vh,104px) 0;border-top:1px solid var(--line)}
.fold-head{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,4vw,64px);align-items:center}
.fold-head .sec-title{margin-bottom:0}
.fold-sum{margin-top:18px;max-width:46ch;font-size:clamp(16px,1.4vw,18px);line-height:1.6;color:var(--dim)}
.fold-btn{
  display:none;align-items:center;gap:10px;margin-top:28px;min-height:44px;padding:0 20px;
  border:1px solid var(--line-2);border-radius:var(--pill);background:transparent;color:var(--text);
  font:500 15px/1 var(--fb);cursor:pointer;
  transition:border-color .25s var(--ease),color .25s var(--ease),background-color .25s var(--ease),transform .15s var(--ease);
}
.js .fold-btn{display:inline-flex}
.fold-btn:hover{border-color:var(--accent-line);color:var(--accent-1);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.fold-btn:active{transform:translateY(1px) scale(.98)}
.fold-btn .if-open,.fold-btn .ico-minus{display:none}
.fold-btn[aria-expanded="true"] .if-open,.fold-btn[aria-expanded="true"] .ico-minus{display:inline}
.fold-btn[aria-expanded="true"] .if-closed,.fold-btn[aria-expanded="true"] .ico-plus{display:none}
.fold-btn[aria-expanded="true"]{border-color:var(--accent-line);color:var(--accent-1)}
.gfx{width:100%;height:clamp(160px,22vw,260px)}
/* Folding animates the row height (0fr -> 1fr), so no height has to be measured. */
.fold-body{display:grid;grid-template-rows:1fr}
.js .fold-body{grid-template-rows:0fr;transition:grid-template-rows .6s var(--ease)}
.js .fold-body.open{grid-template-rows:1fr}
.fold-inner{min-height:0;overflow:hidden;padding-top:clamp(40px,6vh,72px)}
.js .fold-body:not(.open) .fold-inner{visibility:hidden}
@media (prefers-reduced-motion:reduce){.js .fold-body{transition:none}}
@media (max-width:899px){
  .fold-head{grid-template-columns:1fr;gap:20px}
  .gfx{height:150px;order:-1}
}

/* ============ pop-up triggers ============
   The trigger is the item's title button; its ::after stretches over the whole item,
   so the full card is clickable while only one control is announced. */
[data-pop]{position:relative}
.pop-btn{
  display:inline;padding:0;margin:0;border:0;background:none;
  font:inherit;color:inherit;text-align:left;cursor:pointer;
}
.pop-btn::after{content:"";position:absolute;inset:0;border-radius:inherit}
.pop-btn .ico{display:inline-block;width:14px;height:14px;margin-left:8px;vertical-align:middle;color:var(--accent);transition:transform .3s var(--ease)}
[data-pop]:hover .pop-btn .ico{transform:rotate(90deg)}
.pop-btn:focus-visible{outline:none}
[data-pop]:has(.pop-btn:focus-visible){outline:2px solid var(--accent);outline-offset:4px}
.js #main .more{display:none}
.stat .pop-btn.k{font-size:15px;line-height:1.5;color:var(--dim);max-width:24ch}
.stat:hover .pop-btn.k{color:var(--text)}
.tl{padding:6px 0;border-radius:var(--r)}
.tl:hover h3{color:var(--accent-1)}
.cell h3 .pop-btn,.pr-feature h3 .pop-btn{color:var(--paper)}
.cell:hover h3 .pop-btn{color:var(--accent-1)}

/* ============ pop-up window ============ */
html:has(.pop[open]){overflow:hidden}
.pop{
  width:min(640px,calc(100vw - 32px));max-height:min(82vh,780px);padding:0;
  border:1px solid var(--accent-line);border-radius:var(--r);
  background:var(--surface);color:var(--text);
  box-shadow:0 40px 120px -30px rgb(2 4 10 / .95);
}
.pop::backdrop{background:rgb(4 7 15 / .74);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.pop-inner{position:relative;max-height:inherit;overflow:auto;padding:clamp(28px,4vw,44px)}
.pop-close{
  position:sticky;top:0;float:right;margin:-12px -12px 8px 16px;z-index:1;
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);border-radius:var(--pill);background:var(--surface);color:var(--text);cursor:pointer;
}
.pop-close:hover{border-color:var(--accent-line);color:var(--accent-1)}
@media (prefers-reduced-motion:no-preference){
  .pop[open]{animation:pop-in .42s var(--ease)}
  .pop[open]::backdrop{animation:fade-in .42s ease}
  .pop.closing{animation:pop-out .22s ease-in forwards}
  .pop.closing::backdrop{animation:fade-out .22s ease-in forwards}
  @keyframes pop-in{from{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:none}}
  @keyframes pop-out{to{opacity:0;transform:translateY(10px) scale(.98)}}
  @keyframes fade-in{from{opacity:0}}
  @keyframes fade-out{to{opacity:0}}
}
/* Inside the pop-up the copied item is shown as a document, not a card. */
.pop-content > *{position:static;display:block;padding:0;margin:0;border:0;background:none;min-height:0;transform:none;opacity:1;visibility:visible;box-shadow:none}
.pop-content .cell-img,.pop-content .cell-ico,.pop-content .pr-ico{display:none}
.pop-content > *::before{content:none}
.pop-content .pop-btn{pointer-events:none}
.pop-content .pop-btn::after,.pop-content .pop-btn .ico{display:none}
.pop-content h3,.pop-content .pop-title{font:400 clamp(26px,3vw,34px)/1.12 var(--fd);letter-spacing:-.02em;color:var(--paper);margin:0 0 14px}
.pop-content .yr,.pop-content .status{display:inline-block;margin:0 0 14px;font:400 12px/1.4 var(--fm);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.pop-content .v{display:block;font:300 72px/1 var(--fd);letter-spacing:-.03em;color:var(--accent-1);margin-bottom:12px}
.pop-content .k{display:block;font:400 clamp(22px,2.6vw,28px)/1.2 var(--fd);color:var(--paper);max-width:none;margin-bottom:18px}
.pop-content .org,.pop-content .proof{margin:0 0 18px;color:var(--faint);font-size:14px}
.pop-content .proof{font:400 12px/1.5 var(--fm);letter-spacing:.08em;text-transform:uppercase;color:var(--accent-1)}
.pop-content p{color:var(--dim);line-height:1.7}
.pop-content .more{display:grid;gap:12px;margin-top:6px}
.pop-content .more ul,.pop-content ul.more{display:grid;gap:8px;margin-top:4px}
.pop-content .more li{position:relative;padding-left:18px;color:var(--text);line-height:1.6}
.pop-content .more li::before{content:"";position:absolute;left:0;top:.8em;width:8px;height:1px;background:var(--accent)}
.pop-content .tl::before{content:none}

/* ============ contact graphic ============ */
.contact{position:relative;overflow:clip}
.gfx-contact{
  position:absolute;right:0;top:50%;width:min(52vw,720px);height:min(52vw,560px);transform:translateY(-50%);pointer-events:none;opacity:.9;
  -webkit-mask-image:radial-gradient(closest-side,#000 55%,transparent);mask-image:radial-gradient(closest-side,#000 55%,transparent);
}
@media (max-width:899px){.gfx-contact{width:100%;height:60%;top:auto;bottom:0;transform:none;opacity:.5}}

/* ============ view menu (bottom right): colour views + flow controls ============ */
.lens{position:fixed;right:clamp(12px,2vw,24px);bottom:clamp(12px,2vw,24px);z-index:12;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.lens-toggle{
  display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 14px 0 8px;
  border:1px solid var(--line-2);border-radius:var(--pill);background:var(--glass);color:var(--text);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  font:400 13px/1 var(--fm);letter-spacing:.04em;cursor:pointer;
  transition:border-color .25s var(--ease),transform .15s var(--ease);
}
.lens-toggle:hover,.lens-toggle[aria-expanded="true"]{border-color:var(--accent-line)}
.lens-toggle:active{transform:scale(.97)}
.lens-toggle .ico{color:var(--dim)}
.lens-swatch{display:block;width:28px;height:28px;border-radius:50%;border:1px solid var(--line-2);flex:none}
.lens-panel{
  width:min(336px,calc(100vw - 24px));max-height:calc(100dvh - 100px);overflow:auto;overscroll-behavior:contain;
  padding:14px 16px;border:1px solid var(--line-2);border-radius:var(--r);
  background:rgb(12 20 38 / .97);box-shadow:0 30px 80px -30px rgb(2 4 10 / .9);
}
.vp-group{border:0;margin:0;padding:0;min-width:0}
.vp-group + .vp-group{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.vp-group > legend{padding:0;font:400 12px/1.4 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
/* colour views: two compact columns */
.lens-options{display:grid;grid-template-columns:1fr 1fr;gap:2px 8px}
.lens-opt{position:relative;display:flex;align-items:center;gap:10px;min-height:36px;padding:2px 6px;border-radius:var(--r);cursor:pointer}
.lens-opt:hover{background:rgb(255 255 255 / .04)}
.lens-opt input{position:absolute;opacity:0;width:1px;height:1px}
.lens-opt .sw{display:block;width:40px;height:10px;border-radius:var(--pill);flex:none;border:1px solid var(--line)}
.lens-opt span{font-size:13px;color:var(--dim)}
.lens-opt input:checked ~ span{color:var(--paper)}
.lens-opt input:checked ~ .sw{outline:2px solid var(--accent);outline-offset:2px}
.lens-opt input:focus-visible ~ .sw{outline:2px solid var(--paper);outline-offset:3px}
/* flow: lines/spheres switch, then a direction compass beside three sliders */
.flow-mode{display:grid;grid-template-columns:1fr 1fr;gap:2px;margin:0 0 12px;padding:2px;border:1px solid var(--line-2);border-radius:var(--pill)}
.flow-mode label{position:relative;display:grid;place-items:center;min-height:30px;border-radius:var(--pill);font-size:13px;color:var(--dim);cursor:pointer;transition:color .2s,background-color .2s}
.flow-mode label:hover{color:var(--paper)}
.flow-mode input{position:absolute;opacity:0;width:1px;height:1px}
.flow-mode label:has(input:checked){background:var(--accent);color:var(--on-accent)}
.flow-mode label:has(input:focus-visible){outline:2px solid var(--paper);outline-offset:2px}
.flow-grid{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center}
.flow-compass{display:grid;grid-template-columns:repeat(3,30px);grid-template-rows:repeat(3,30px);gap:3px;border:0;margin:0;padding:0}
.flow-dir{position:relative;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--pill);color:var(--faint);cursor:pointer;transition:color .2s,border-color .2s,background-color .2s}
.flow-dir:hover{color:var(--paper);border-color:var(--line-2)}
.flow-dir input{position:absolute;opacity:0;width:1px;height:1px}
.flow-dir .ico{width:15px;height:15px}
.flow-dir:has(input:checked){color:var(--on-accent);background:var(--accent);border-color:var(--accent)}
.flow-dir:has(input:focus-visible){outline:2px solid var(--paper);outline-offset:2px}
.flow-hub{place-self:center;width:6px;height:6px;border-radius:50%;background:var(--line-2)}
.flow-ranges{display:grid;gap:8px;min-width:0}
.flow-range{display:grid;grid-template-columns:1fr auto;align-items:baseline;row-gap:2px}
.flow-range label{font-size:12px;color:var(--dim)}
.flow-range output{font:400 11px/1 var(--fm);color:var(--paper);font-variant-numeric:tabular-nums}
.flow-range input{grid-column:1 / -1;width:100%;height:22px;margin:0;accent-color:var(--accent);cursor:pointer}
.flow-actions{display:flex;justify-content:space-between;align-items:center;margin-top:12px}
.flow-show{font:400 12px/1.4 var(--fm);color:var(--accent-1);text-decoration:underline;text-decoration-color:var(--accent-line);text-underline-offset:4px}
.flow-reset{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 12px;border:1px solid var(--line-2);border-radius:var(--pill);background:none;color:var(--dim);font:400 12px/1 var(--fb);cursor:pointer}
.flow-reset:hover{color:var(--paper);border-color:var(--accent-line)}
.flow-reset .ico{width:14px;height:14px}
.lens-hint{margin-top:12px;font-size:12px;line-height:1.5;color:var(--faint)}
@media (max-width:540px){.lens-name{display:none}.lens-toggle{padding:0 10px 0 8px}}
@media (hover:none){.lens-hint{display:none}}