/* ============================================================
   Harrison Chapman — personal site
   ============================================================ */

:root{
  --bg:#08090c;
  --bg-2:#0d0f14;
  --panel:#11141b;
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.055);
  --ink:#f2f4f8;
  --ink-2:#a8b0be;
  --ink-3:#6c7484;
  --accent:#5b8cff;
  --accent-2:#00e0c6;
  --accent-3:#ff7a5c;
  --serif:"Instrument Serif",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --gut:clamp(20px,5vw,72px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.65;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--accent);color:#fff}
a{color:inherit;text-decoration:none}
canvas{display:block}
code{font-family:var(--mono);font-size:.88em;background:rgba(255,255,255,.06);
  padding:.12em .4em;border-radius:4px;color:var(--accent-2)}
strong{font-weight:600;color:#fff}
em{font-style:italic;font-family:var(--serif)}

.wrap{width:min(1240px,100% - var(--gut)*2);margin-inline:auto}

/* ---------- chrome ---------- */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;background:transparent;pointer-events:none}
.scroll-progress span{display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 0 12px var(--accent)}

.grain{position:fixed;inset:0;z-index:100;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:90;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:20px var(--gut);transition:padding .4s var(--ease),background .4s,border-color .4s;
  border-bottom:1px solid transparent}
.nav.stuck{padding:12px var(--gut);background:rgba(8,9,12,.72);
  backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom-color:var(--line-soft)}
.nav-mark{font-family:var(--serif);font-size:26px;letter-spacing:-.01em}
.nav-mark .dot{color:var(--accent-2)}
.nav-links{display:flex;gap:30px;font-size:14.5px;color:var(--ink-2)}
.nav-links a{position:relative;padding:4px 0;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--accent-2);transition:width .35s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{width:100%}
.nav-cta{font-size:14px;padding:9px 18px;border:1px solid var(--line);border-radius:100px;
  color:var(--ink-2);transition:.3s var(--ease)}
.nav-cta:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.nav-burger{display:none;background:none;border:0;cursor:pointer;width:30px;height:22px;position:relative}
.nav-burger span{position:absolute;left:0;right:0;height:1.5px;background:var(--ink);transition:.3s var(--ease)}
.nav-burger span:nth-child(1){top:6px}
.nav-burger span:nth-child(2){bottom:6px}
.nav.open .nav-burger span:nth-child(1){top:10px;transform:rotate(45deg)}
.nav.open .nav-burger span:nth-child(2){bottom:10px;transform:rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;
  padding:140px var(--gut) 90px;overflow:hidden}
#fieldCanvas{position:absolute;inset:0;width:100%;height:100%;opacity:.55}
.hero-glow{position:absolute;left:50%;top:38%;width:min(1100px,120vw);aspect-ratio:1;
  transform:translate(-50%,-50%);pointer-events:none;
  background:radial-gradient(circle,rgba(91,140,255,.20),rgba(0,224,198,.07) 38%,transparent 66%);
  filter:blur(30px)}
.hero-inner{position:relative;z-index:2;width:min(1240px,100%);margin-inline:auto}

.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:26px}

.hero-title{font-family:var(--serif);font-weight:400;letter-spacing:-.025em;line-height:.92;
  font-size:clamp(58px,13.5vw,190px)}
.hero-title .line{display:block;overflow:hidden}
.hero-title .line>span{display:block;transform:translateY(110%);
  animation:riseIn 1.15s var(--ease) forwards}
.hero-title .line:nth-child(2)>span{animation-delay:.13s;
  background:linear-gradient(96deg,#fff 20%,var(--accent) 62%,var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-title em{font-style:normal;color:var(--accent-2);-webkit-text-fill-color:var(--accent-2)}
@keyframes riseIn{to{transform:translateY(0)}}

.hero-sub{max-width:660px;margin-top:32px;font-size:clamp(17px,1.5vw,21px);color:var(--ink-2);line-height:1.6}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}

.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border-radius:100px;
  font-size:15px;font-weight:500;border:1px solid transparent;transition:.35s var(--ease)}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;transition:transform .35s var(--ease)}
.btn-primary{background:var(--ink);color:#0a0b0f}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}

.hero-marquee{list-style:none;display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:56px;
  font-family:var(--mono);font-size:12.5px;color:var(--ink-3);letter-spacing:.06em}
.hero-marquee li{position:relative}
.hero-marquee li+li::before{content:"";position:absolute;left:-14px;top:50%;width:3px;height:3px;
  border-radius:50%;background:var(--ink-3);transform:translateY(-50%)}

.scroll-hint{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-3);display:flex;flex-direction:column;align-items:center;gap:10px}
.scroll-hint span{width:1px;height:42px;background:linear-gradient(var(--ink-3),transparent);
  animation:drop 2.2s var(--ease) infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}
  45%{transform:scaleY(1);transform-origin:top}
  55%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- stats band ---------- */
.stats-band{border-block:1px solid var(--line-soft);background:var(--bg-2);position:relative;z-index:3}
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-soft)}
.stat{background:var(--bg-2);padding:38px 22px;text-align:center}
.stat b{display:block;font-family:var(--serif);font-weight:400;font-size:clamp(34px,4vw,54px);
  line-height:1;letter-spacing:-.02em;
  background:linear-gradient(180deg,#fff,#93a6c9);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:10px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-3)}

/* ---------- generic sections ---------- */
.section{padding:clamp(88px,11vw,170px) 0;position:relative}
.section-alt{background:var(--bg-2);border-block:1px solid var(--line-soft)}

.kicker{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);margin-bottom:22px}
.kicker i{width:22px;height:1px;background:var(--accent-2);display:block}

.h2{font-family:var(--serif);font-weight:400;letter-spacing:-.02em;line-height:1.05;
  font-size:clamp(34px,4.6vw,64px)}
.h2.big{font-size:clamp(38px,6.4vw,88px)}
.h2 em{color:var(--accent-2);font-style:italic}

.lead{font-size:clamp(18px,1.7vw,22px);line-height:1.6;color:var(--ink-2)}
.lead.wide{max-width:820px;margin-top:34px}

.grid-2{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(36px,6vw,110px)}
.col-sticky{position:sticky;top:110px;align-self:start}
.prose p{color:var(--ink-2);margin-bottom:22px;font-size:17.5px}
.prose p.lead{color:var(--ink);margin-bottom:26px}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
.chips span{font-size:13px;padding:7px 15px;border:1px solid var(--line);border-radius:100px;
  color:var(--ink-2);transition:.3s var(--ease)}
.chips span:hover{border-color:var(--accent-2);color:var(--accent-2);transform:translateY(-2px)}

/* ---------- timeline ---------- */
.timeline{margin-top:clamp(50px,7vw,90px);border-top:1px solid var(--line-soft)}
.tl{display:grid;grid-template-columns:150px 1fr;gap:clamp(20px,4vw,60px);
  padding:34px 0;border-bottom:1px solid var(--line-soft);position:relative;transition:.4s var(--ease)}
.tl::before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:linear-gradient(90deg,rgba(91,140,255,.09),transparent);transition:width .55s var(--ease)}
.tl:hover::before{width:100%}
.tl:hover{padding-left:16px}
.tl-year{font-family:var(--mono);font-size:14px;color:var(--accent-2);letter-spacing:.08em;padding-top:5px}
.tl-body h3{font-size:clamp(21px,2.3vw,29px);font-weight:500;letter-spacing:-.015em;margin-bottom:10px}
.tl-body p{color:var(--ink-2);max-width:760px}

/* ---------- awards ---------- */
.awards{margin-top:clamp(56px,7vw,92px)}
.awards-title{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);font-weight:400;margin-bottom:22px}
.award-grid{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1px;
  background:var(--line-soft);border:1px solid var(--line-soft)}
.award-grid li{background:var(--bg-2);padding:20px 22px;display:flex;flex-direction:column;gap:4px;
  font-size:15.5px;transition:background .35s var(--ease)}
.section:not(.section-alt) .award-grid li{background:var(--bg)}
.award-grid li:hover{background:var(--panel)}
.award-grid b{font-family:var(--serif);font-weight:400;font-size:30px;line-height:1;color:var(--accent-2)}
.award-grid span{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);letter-spacing:.06em}

/* ---------- robot photography ---------- */
.robot-hero{margin-top:clamp(48px,6vw,80px);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;background:#04050a}
.robot-hero img{width:100%;height:auto;display:block;cursor:zoom-in;
  transition:transform .9s var(--ease)}
.robot-hero:hover img{transform:scale(1.012)}
.robot-hero figcaption{padding:22px clamp(20px,3vw,30px);border-top:1px solid var(--line-soft);
  font-size:15.5px;color:var(--ink-2);line-height:1.65;max-width:900px}
.robot-hero figcaption strong{display:block;margin-bottom:5px;color:var(--ink);font-weight:600}

.robot-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:14px;margin-top:14px}
.robot-gallery figure{border:1px solid var(--line-soft);border-radius:13px;overflow:hidden;
  background:#04050a;transition:transform .45s var(--ease),border-color .45s}
.robot-gallery figure:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2)}
.robot-gallery img{width:100%;height:auto;display:block;cursor:zoom-in}
.robot-gallery figcaption{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);
  padding:11px 14px;border-top:1px solid var(--line-soft);letter-spacing:.03em}

/* ---------- projects ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:44px}
.f{background:none;border:1px solid var(--line);border-radius:100px;color:var(--ink-3);
  font-family:var(--sans);font-size:13.5px;padding:8px 18px;cursor:pointer;transition:.3s var(--ease)}
.f:hover{color:var(--ink);border-color:var(--ink-3)}
.f.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}

.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:34px}
.card{position:relative;background:var(--panel);border:1px solid var(--line-soft);border-radius:16px;
  padding:clamp(26px,3vw,38px);display:flex;flex-direction:column;overflow:hidden;
  transition:transform .5s var(--ease),border-color .5s,background .5s}
.card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .5s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(91,140,255,.13),transparent 70%)}
.card:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.16)}
.card:hover::after{opacity:1}
.card.feature{grid-column:span 2}
.card.hidden{display:none}

.card-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.badge{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);border:1px solid var(--line);border-radius:100px;padding:5px 12px}
.badge-hot{color:var(--accent-2);border-color:rgba(0,224,198,.35);background:rgba(0,224,198,.06)}
.card-num{font-family:var(--serif);font-size:26px;color:var(--ink-3);opacity:.45}

.card h3{font-size:clamp(20px,2.1vw,27px);font-weight:500;letter-spacing:-.015em;margin-bottom:12px;line-height:1.25}
.card.feature h3{font-size:clamp(24px,2.9vw,38px)}
.card p{color:var(--ink-2);font-size:16px;flex:1}
.card.feature p{font-size:17px;max-width:900px}

.tech{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin:22px 0 20px}
.tech li{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);
  background:rgba(255,255,255,.045);border-radius:5px;padding:5px 10px}
.card-link{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;color:var(--accent);
  font-weight:500;align-self:flex-start;transition:.3s var(--ease)}
.card-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round;transition:transform .3s var(--ease)}
.card-link:hover{color:var(--accent-2)}
.card-link:hover svg{transform:translate(3px,-3px)}

.all-repos{display:inline-flex;align-items:center;gap:12px;margin-top:44px;padding:16px 30px;
  border:1px solid var(--line);border-radius:100px;font-size:15.5px;color:var(--ink-2);transition:.35s var(--ease)}
.all-repos svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;transition:transform .35s var(--ease)}
.all-repos:hover{border-color:var(--ink);color:var(--ink)}
.all-repos:hover svg{transform:translateX(5px)}

/* ---------- entries ---------- */
.entries{display:flex;flex-direction:column;gap:0}
.entry{padding:30px 0;border-bottom:1px solid var(--line-soft)}
.entry:first-child{padding-top:0}
.entry-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap}
.entry-head h3{font-size:clamp(20px,2.1vw,26px);font-weight:500;letter-spacing:-.015em}
.entry-head span{font-family:var(--mono);font-size:12px;color:var(--ink-3);white-space:nowrap}
.entry-org{color:var(--accent-2);font-size:15px;margin:6px 0 12px}
.entry p{color:var(--ink-2)}
.courses{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:8px 22px;margin-top:18px}
.courses li{font-size:14.5px;color:var(--ink-3);display:flex;gap:10px;align-items:baseline}
.courses b{font-family:var(--mono);color:var(--accent);font-size:15px}

/* ---------- impact ---------- */
.impact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:52px}
.ic{border:1px solid var(--line-soft);border-radius:16px;padding:32px 28px;background:var(--bg-2);
  transition:.45s var(--ease)}
.ic:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.16);background:var(--panel)}
.ic-num{font-family:var(--serif);font-size:clamp(40px,4.4vw,58px);line-height:1;display:block;
  background:linear-gradient(140deg,var(--accent-2),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.ic h3{font-size:19px;font-weight:500;margin:16px 0 10px}
.ic p{color:var(--ink-2);font-size:15.5px}

/* ---------- contact ---------- */
.contact{position:relative;padding:clamp(100px,13vw,180px) 0 0;overflow:hidden;
  border-top:1px solid var(--line-soft)}
#contactCanvas{position:absolute;inset:0;width:100%;height:100%;opacity:.4}
.contact::before{content:"";position:absolute;left:50%;bottom:-30%;width:min(900px,110vw);aspect-ratio:1;
  transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(circle,rgba(0,224,198,.14),transparent 62%);filter:blur(24px)}
.contact-inner{position:relative;z-index:2}
.contact-h{font-family:var(--serif);font-weight:400;letter-spacing:-.025em;line-height:.98;
  font-size:clamp(46px,8.6vw,124px);margin-bottom:26px}
.contact-h em{color:var(--accent-2);font-style:italic}

.contact-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-top:52px}
.contact-links a{background:var(--bg);padding:26px 24px;display:flex;flex-direction:column;gap:7px;
  font-size:16.5px;transition:.35s var(--ease)}
.contact-links a span{font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3)}
.contact-links a:hover{background:var(--panel);color:var(--accent-2)}

.foot{position:relative;z-index:2;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  width:min(1240px,100% - var(--gut)*2);margin:0 auto;padding:34px 0 30px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);
  transition:opacity .85s var(--ease),transform .85s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.09s}
.reveal[data-delay="2"]{transition-delay:.18s}
.reveal[data-delay="3"]{transition-delay:.27s}
.reveal[data-delay="4"]{transition-delay:.36s}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:last-child{grid-column:span 2}
  .grid-2{grid-template-columns:1fr;gap:36px}
  .col-sticky{position:static}
  .projects{grid-template-columns:1fr}
  .card.feature{grid-column:span 1}
  .tl{grid-template-columns:1fr;gap:8px}
}
@media (max-width:720px){
  body{font-size:16px}
  .nav-links{position:fixed;inset:0 0 auto;top:0;flex-direction:column;justify-content:center;
    align-items:center;height:100svh;background:rgba(8,9,12,.97);backdrop-filter:blur(20px);
    gap:26px;font-size:26px;font-family:var(--serif);
    opacity:0;pointer-events:none;transition:opacity .4s var(--ease)}
  .nav.open .nav-links{opacity:1;pointer-events:auto}
  .nav-cta{display:none}
  .nav-burger{display:block;z-index:2}
  .nav-mark{z-index:2}
  .hero{padding-top:120px}
  .hero-title{font-size:clamp(52px,16vw,88px)}
  .foot{flex-direction:column;gap:6px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .hero-title .line>span{transform:none}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- featured card refinements ---------- */
.card p{flex:none}
.card .tech{margin-top:auto;padding-top:4px}
.card p.sub{margin-top:18px;font-size:15px;color:var(--ink-3);
  border-left:2px solid var(--line);padding-left:16px}
.card p.sub a{color:var(--ink-2);border-bottom:1px solid var(--line);transition:.3s var(--ease)}
.card p.sub a:hover{color:var(--accent-2);border-bottom-color:var(--accent-2)}
.card-links{display:flex;flex-wrap:wrap;gap:26px;align-self:flex-start}

.card .tagline{font-family:var(--serif);font-size:clamp(19px,2vw,25px);line-height:1.35;
  color:var(--accent-2);margin-bottom:18px;letter-spacing:-.01em;max-width:820px}

/* showcase card gets more room to breathe */
.card.showcase{padding:clamp(30px,3.6vw,52px);
  background:linear-gradient(168deg,rgba(91,140,255,.075),transparent 46%),var(--panel);
  border-color:rgba(255,255,255,.14)}

/* ---------- stack diagram ---------- */
.stack{margin:30px 0 34px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.stack-row{display:grid;grid-template-columns:130px 1fr;gap:18px;align-items:center;
  padding:15px 20px;border-bottom:1px solid var(--line-soft);
  background:rgba(255,255,255,.014);transition:background .35s var(--ease)}
.stack-row:last-child{border-bottom:0}
.stack-row:hover{background:rgba(91,140,255,.07)}
.stack-label{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);display:flex;align-items:center;gap:9px}
.stack-label::before{content:"";width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px var(--accent);flex:none}
.stack-row:nth-child(2) .stack-label{color:#8fb0ff}
.stack-row:nth-child(2) .stack-label::before{background:#8fb0ff;box-shadow:0 0 10px #8fb0ff}
.stack-row:nth-child(3) .stack-label{color:#4fd8d0}
.stack-row:nth-child(3) .stack-label::before{background:#4fd8d0;box-shadow:0 0 10px #4fd8d0}
.stack-row:nth-child(4) .stack-label{color:var(--accent-3)}
.stack-row:nth-child(4) .stack-label::before{background:var(--accent-3);box-shadow:0 0 10px var(--accent-3)}
.stack-items{font-size:14.5px;color:var(--ink-2)}

/* ---------- screenshots ---------- */
.shot-hero{margin:6px 0 16px;border-radius:14px;overflow:hidden;border:1px solid var(--line);
  background:#04050a;position:relative}
.shot-hero img{width:100%;height:auto;display:block;cursor:zoom-in;
  transition:transform .8s var(--ease)}
.shot-hero:hover img{transform:scale(1.015)}
.shot-hero figcaption,.shots figcaption{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);
  padding:11px 16px;border-top:1px solid var(--line-soft);letter-spacing:.03em}

.shots{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin-bottom:6px}
.shots figure{border-radius:11px;overflow:hidden;border:1px solid var(--line-soft);background:#04050a;
  transition:transform .45s var(--ease),border-color .45s}
.shots figure:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2)}
.shots img{width:100%;height:auto;display:block;cursor:zoom-in}
.shots figcaption{padding:9px 12px}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  padding:4vmin;background:rgba(4,5,8,.94);backdrop-filter:blur(10px);
  opacity:0;pointer-events:none;transition:opacity .35s var(--ease);cursor:zoom-out}
.lightbox.on{opacity:1;pointer-events:auto}
.lightbox img{max-width:100%;max-height:88vh;border-radius:12px;border:1px solid var(--line);
  transform:scale(.97);transition:transform .35s var(--ease)}
.lightbox.on img{transform:scale(1)}
.lightbox-cap{position:absolute;bottom:3vmin;left:0;right:0;text-align:center;
  font-family:var(--mono);font-size:12px;color:var(--ink-3);letter-spacing:.06em}

/* ---------- layered infrastructure ---------- */
.layers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0 30px}
.layer{position:relative;border:1px solid var(--line-soft);border-radius:13px;padding:24px 22px;
  background:rgba(255,255,255,.018);display:flex;flex-direction:column;
  transition:transform .45s var(--ease),border-color .45s,background .45s}
.layer:hover{transform:translateY(-4px);border-color:rgba(0,224,198,.32);background:rgba(0,224,198,.04)}
.layer::before{content:"";position:absolute;left:22px;right:22px;top:0;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));opacity:.5}
.layer:nth-child(2)::before{opacity:.75}
.layer:nth-child(3)::before{opacity:1}
.layer-n{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:12px;display:block}
.layer h4{font-size:18px;font-weight:600;letter-spacing:-.01em;margin-bottom:12px;
  display:flex;flex-direction:column;gap:3px}
.layer h4 em{font-family:var(--serif);font-style:italic;font-weight:400;font-size:15px;color:var(--accent-2)}
.layer p{font-size:14.8px;color:var(--ink-2);flex:1;margin-bottom:16px}
.layer .card-link{font-size:13.5px}

@media (max-width:980px){
  .layers{grid-template-columns:1fr}
  .stack-row{grid-template-columns:1fr;gap:7px;align-items:flex-start}
  .shots{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
}

/* ---------- split card: copy beside a portrait shot ---------- */
.card-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,300px);
  gap:clamp(22px,3.5vw,44px);align-items:start;margin-bottom:8px}
.card-copy p+p{margin-top:16px}
.card-shot{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#04050a}
.card-shot img{width:100%;height:auto;display:block;cursor:zoom-in;
  transition:transform .7s var(--ease)}
.card-shot:hover img{transform:scale(1.02)}
.card-shot figcaption{font-family:var(--mono);font-size:11px;color:var(--ink-3);
  padding:10px 13px;border-top:1px solid var(--line-soft);letter-spacing:.03em;line-height:1.5}

@media (max-width:820px){
  .card-split{grid-template-columns:1fr}
  .card-shot{max-width:340px}
}