/* Proto Design — portfolio. Layout: drafting-sheet studio. Big type, full-bleed visual plates with crop marks, a title-block (cartouche) per project. */
:root{
  --paper:#EAE3DA; --sheet:#F5F1EB; --ink:#1B1815; --muted:#5E5348; --line:#CDBFAF; --accent:#C2410C; --accent-ink:#9A3412; --on-accent:#FFFFFF;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --s-1:.78rem; --s0:1.02rem; --s1:1.22rem; --s2:1.7rem; --s3:clamp(2rem,4.2vw,3.2rem); --s4:clamp(2.8rem,8.4vw,7.2rem);
  --gutter:clamp(16px,4vw,56px); --max:1320px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:var(--s0);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
p{margin:0}
h1,h2,h3{font-family:var(--f-display);font-stretch:125%;line-height:1;text-wrap:balance;margin:0;letter-spacing:-.015em}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}
.mono{font-family:var(--f-mono);font-size:var(--s-1);letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.accent{color:var(--accent)}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--accent);color:var(--on-accent);font-family:var(--f-display);font-weight:800;font-stretch:125%;font-size:1.2rem}
.brand-name{font-family:var(--f-display);font-stretch:125%;font-weight:800;letter-spacing:.03em;font-size:1rem}
.nav{display:flex;gap:clamp(14px,2.6vw,34px);align-items:center}
.nav a{text-decoration:none;font-weight:500;font-size:.95rem;color:var(--muted);padding-block:6px;border-bottom:1.5px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}
.nav .cta{color:var(--on-accent);background:var(--ink);padding:10px 16px;border:0}
.nav .cta:hover{background:var(--accent);color:var(--on-accent)}
.menu-btn{display:none;background:none;border:1.5px solid var(--ink);padding:8px 12px;font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;cursor:pointer;color:var(--ink)}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);padding:8px var(--gutter) 16px}
  .nav.open{display:flex}
  .nav a{padding-block:12px;border-bottom:1px solid var(--line)}
  .nav .cta{text-align:center;margin-top:12px}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border:1.5px solid var(--ink);background:var(--ink);color:var(--paper);font-weight:600;font-size:.98rem;text-decoration:none;cursor:pointer;font-family:var(--f-body);transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.arrow{display:inline-block;transition:transform .2s}
a:hover .arrow{transform:translateX(4px)}

/* image placeholder plate — crop marks + spec label */
.plate{position:relative;background:var(--sheet);border:1px dashed color-mix(in srgb,var(--muted) 55%,transparent);display:grid;place-items:center;overflow:hidden;max-width:100%}
.plate::before,.plate::after{content:"";position:absolute;width:18px;height:18px;border-color:var(--ink);border-style:solid;pointer-events:none}
.plate::before{top:10px;left:10px;border-width:1.5px 0 0 1.5px}
.plate::after{bottom:10px;right:10px;border-width:0 1.5px 1.5px 0}
.plate .spec{display:grid;gap:6px;text-align:center;padding:20px;max-width:34ch}
.plate .spec b{font-family:var(--f-display);font-stretch:112%;font-weight:600;font-size:1rem;color:var(--ink)}
.plate .spec span{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.plate svg.ico{width:34px;height:34px;margin:0 auto 4px;stroke:var(--muted);fill:none;stroke-width:1.4}
.plate img{width:100%;height:100%;object-fit:cover}
.r-16x9{aspect-ratio:16/9}.r-4x3{aspect-ratio:4/3}.r-3x2{aspect-ratio:3/2}.r-1x1{aspect-ratio:1/1}.r-4x5{aspect-ratio:4/5}.r-21x9{aspect-ratio:21/9}
@media (max-width:640px){.r-21x9{aspect-ratio:4/3}}

/* hero */
.hero{padding-block:clamp(48px,9vw,120px) clamp(32px,5vw,64px)}
.hero .kicker{display:flex;flex-wrap:wrap;gap:10px 24px;margin-bottom:28px}
.hero h1{font-size:var(--s4);font-weight:800;max-width:12ch}
.hero-foot{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;margin-top:40px}
.hero-foot p{font-size:var(--s1);color:var(--muted);max-width:46ch}
.hero-foot .ctas{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:760px){.hero-foot{grid-template-columns:1fr}}

/* section heads */
section{padding-block:clamp(56px,8vw,112px)}
.sec-head{display:grid;grid-template-columns:minmax(160px,240px) 1fr auto;gap:24px;align-items:end;border-bottom:1.5px solid var(--ink);padding-bottom:20px;margin-bottom:clamp(28px,4vw,48px)}
.sec-head h2{font-size:var(--s3);font-weight:750}
.sec-head p{color:var(--muted);max-width:52ch;margin-top:14px}
@media (max-width:760px){.sec-head{grid-template-columns:1fr;gap:10px}}

/* featured projects — alternating large rows */
.feature{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(20px,4vw,56px);align-items:center;text-decoration:none;padding-block:clamp(20px,3vw,36px);border-bottom:1px solid var(--line)}
.feature:nth-child(even){grid-template-columns:1fr 1.5fr}
.feature:nth-child(even) .plate{order:2}
.feature > *{min-width:0}
.feature h3{font-size:var(--s3);font-weight:800;margin-block:10px 14px;transition:color .2s}
.feature:hover h3{color:var(--accent)}
.feature p{color:var(--muted);max-width:44ch}
.feature .more{display:inline-flex;gap:8px;margin-top:20px;font-weight:600;border-bottom:1.5px solid var(--ink);padding-bottom:2px}
.feature .plate{transition:transform .35s ease}
.feature:hover .plate{transform:scale(1.01)}
@media (max-width:820px){.feature,.feature:nth-child(even){grid-template-columns:1fr}.feature:nth-child(even) .plate{order:0}}

/* grid of all projects */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.chip{font-family:var(--f-mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;padding:8px 14px;border:1px solid var(--line);background:var(--sheet);color:var(--muted);cursor:pointer}
.chip[aria-pressed="true"]{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:clamp(20px,2.4vw,32px)}
.pcard{text-decoration:none;display:flex;flex-direction:column;gap:16px;min-width:0}
.pcard .meta{display:flex;justify-content:space-between;gap:12px}
.pcard h3{font-size:1.5rem;font-weight:750;transition:color .2s}
.pcard:hover h3{color:var(--accent)}
.pcard p{color:var(--muted);font-size:.96rem}

/* services */
.services{display:grid;grid-template-columns:repeat(3,1fr);border-top:1.5px solid var(--ink)}
.svc{padding:28px 28px 32px 0;display:flex;flex-direction:column;gap:12px;min-width:0}
.svc + .svc{padding-left:28px;border-left:1px solid var(--line)}
.svc h3{font-size:var(--s1);font-weight:700}
.svc p{color:var(--muted)}
@media (max-width:820px){.services{grid-template-columns:1fr}.svc,.svc + .svc{padding:24px 0;border-left:0;border-bottom:1px solid var(--line)}}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:s}
.step{position:relative;padding-top:34px;min-width:0}
.step::before{counter-increment:s;content:"Phase " counter(s,decimal-leading-zero);position:absolute;top:0;left:0;font-family:var(--f-mono);font-size:var(--s-1);color:var(--accent-ink);letter-spacing:.07em;text-transform:uppercase}
.step::after{content:"";position:absolute;top:24px;left:0;right:-28px;border-top:1px dashed var(--muted)}
.step:last-child::after{right:0}
.step h3{font-size:1.15rem;font-weight:700;margin-top:12px}
.step p{color:var(--muted);margin-top:8px;font-size:.96rem}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}.step::after{right:0}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* tools strip */
.tools{display:flex;flex-wrap:wrap;border-block:1.5px solid var(--ink)}
.tools div{flex:1 1 170px;padding:22px 22px 22px 0;min-width:0}
.tools div + div{padding-left:22px;border-left:1px solid var(--line)}
.tools b{font-family:var(--f-display);font-stretch:125%;font-size:1.15rem;display:block}
.tools span{font-size:.88rem;color:var(--muted)}
@media (max-width:760px){.tools div,.tools div + div{border-left:0;padding-left:0;border-bottom:1px solid var(--line)}}

/* case study */
.cs-hero{padding-block:clamp(40px,7vw,96px) 32px}
.crumbs{display:flex;gap:10px;align-items:center;margin-bottom:24px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.cs-hero h1{font-size:var(--s4);font-weight:800}
.cs-hero .lead{font-size:clamp(1.15rem,2vw,1.5rem);max-width:40ch;margin-top:24px;color:var(--ink)}
.cartouche{display:grid;grid-template-columns:repeat(4,1fr);border:1.5px solid var(--ink);margin-top:40px;background:var(--sheet)}
.cartouche div{padding:12px 16px;border-right:1px solid var(--line);min-width:0}
.cartouche div:last-child{border-right:0}
.cartouche span{display:block;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.cartouche b{font-weight:600}
@media (max-width:720px){.cartouche{grid-template-columns:1fr 1fr}.cartouche div:nth-child(2){border-right:0}.cartouche div:nth-child(-n+2){border-bottom:1px solid var(--line)}}
.cs-block{display:grid;grid-template-columns:minmax(160px,260px) 1fr;gap:clamp(20px,4vw,64px);padding-block:clamp(40px,6vw,80px);border-top:1px solid var(--line)}
.cs-block > *{min-width:0}
.cs-block h2{font-size:var(--s2);font-weight:750}
.cs-block .body{display:grid;gap:18px;max-width:64ch;font-size:1.08rem}
.cs-block .body .todo{font-family:var(--f-mono);font-size:.78rem;color:var(--accent-ink);border-left:2px solid var(--accent);padding:8px 12px;background:color-mix(in srgb,var(--accent) 7%,transparent)}
@media (max-width:760px){.cs-block{grid-template-columns:1fr}}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(12px,2vw,24px)}
.gallery .wide{grid-column:1/-1}
@media (max-width:640px){.gallery{grid-template-columns:1fr}}
.next{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;text-decoration:none;border-top:1.5px solid var(--ink);padding-block:40px}
.next h3{font-size:var(--s3);font-weight:800;transition:color .2s}
.next:hover h3{color:var(--accent)}

/* about */
.about{display:grid;grid-template-columns:minmax(240px,420px) 1fr;gap:clamp(28px,5vw,80px);align-items:start}
.about > *{min-width:0}
.about h2{font-size:var(--s3);font-weight:800}
.about .bio{display:grid;gap:16px;margin-top:24px;max-width:60ch;font-size:1.08rem}
.facts{display:grid;grid-template-columns:1fr 1fr;border-top:1.5px solid var(--ink);margin-top:36px}
.facts div{padding:16px 16px 16px 0;border-bottom:1px solid var(--line)}
.facts div:nth-child(even){padding-left:16px;border-left:1px solid var(--line)}
.facts b{display:block;font-weight:600;margin-top:4px}
@media (max-width:820px){.about{grid-template-columns:1fr}}

/* contact */
.contact-band{background:var(--ink);color:var(--paper)}
.contact-band .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(28px,5vw,80px);padding-block:clamp(56px,8vw,112px)}
.contact-band .wrap > *{min-width:0}
.contact-band h2{font-size:var(--s3);font-weight:800}
.contact-band .sub{color:color-mix(in srgb,var(--paper) 72%,var(--ink));margin-top:18px;max-width:44ch}
.contact-band .mono{color:color-mix(in srgb,var(--paper) 60%,var(--ink))}
.rows{border-top:1px solid color-mix(in srgb,var(--paper) 25%,var(--ink))}
.row{display:grid;grid-template-columns:110px 1fr auto;gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid color-mix(in srgb,var(--paper) 25%,var(--ink))}
.row .v{font-weight:500;overflow-wrap:anywhere}
.row a.v{text-decoration:none}
.row a.v:hover{color:#F59E6B}
.copy{font-family:var(--f-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;background:transparent;color:var(--paper);border:1px solid color-mix(in srgb,var(--paper) 40%,var(--ink));padding:7px 11px;cursor:pointer}
.copy:hover{border-color:var(--paper)}
@media (max-width:820px){.contact-band .wrap{grid-template-columns:1fr}}
@media (max-width:440px){.row{grid-template-columns:1fr auto}.row .mono{grid-column:1/-1}}

/* footer */
.site-foot{padding-block:28px 40px}
.site-foot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.site-foot a{text-decoration:none}
.site-foot a:hover{color:var(--ink)}

/* reveal */
.reveal{transition:opacity .6s ease,transform .6s ease}
.js .reveal.pre{opacity:.001;transform:translateY(14px)}
.sec-head > .btn{justify-self:start}