/* dsrportfolio.com — Sebastian Rivera · Signage & Environmental Graphic Design */
:root{
  --ink:#0B0B0B; --carbon:#121314; --graphite:#1B1D1F; --mid:#77736C; --soft:#A7A39C;
  --stone:#E8E4DD; --paper:#F4F2EE; --white:#FFFFFF; --accent:#9DB3A6; --brass:#B08D57;
  --line-d:rgba(255,255,255,.12); --line-l:rgba(11,11,11,.12);
  --fd:"Inter Tight","Helvetica Neue",Arial,sans-serif; --fb:"Inter","Helvetica Neue",Arial,sans-serif; --fm:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --pad:clamp(20px,4.4vw,72px); --max:1340px; --sec:clamp(88px,10vw,156px); --hh:78px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--hh)}
body{font-family:var(--fb);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.dark{background:var(--carbon);color:var(--white)} .ink{background:var(--ink);color:var(--white)}
.paper{background:var(--paper)} .stone{background:var(--stone)} .white{background:var(--white)}
section{padding:var(--sec) 0}
.eyebrow{font:500 11.5px/1.5 var(--fm);letter-spacing:.16em;text-transform:uppercase}
.sh{display:flex;align-items:center;gap:16px;font:500 11.5px/1 var(--fm);letter-spacing:.16em;text-transform:uppercase;color:var(--mid);margin-bottom:clamp(26px,3.6vw,48px)}
.sh i{flex:0 0 56px;height:1px;background:currentColor;opacity:.55}
.dark .sh,.ink .sh{color:var(--soft)}
h1,h2,h3{font-family:var(--fd);font-weight:300;letter-spacing:-.022em}
h2{font-size:clamp(34px,4vw,62px);line-height:1.04}
h3{font-size:22px;font-weight:400;letter-spacing:-.01em;line-height:1.25}
p{font-size:16.5px;color:#4B4843} .dark p,.ink p{color:#B5B1AA}
.lead{font-size:clamp(17px,1.35vw,19.5px);line-height:1.65}
.btn{display:inline-flex;align-items:center;gap:12px;font:500 12.5px/1 var(--fd);letter-spacing:.14em;text-transform:uppercase;padding:18px 26px;border:1px solid currentColor;transition:background .2s,color .2s,border-color .2s;cursor:pointer;background:transparent;color:inherit}
.btn.solid{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn:hover{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn.solid:hover{background:transparent;color:var(--white)}
.paper .btn:hover,.white .btn:hover,.stone .btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.arrow{display:inline-block;width:18px;height:1px;background:currentColor;position:relative;flex:none}
.arrow::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.dl{display:inline-flex;align-items:center;gap:10px;font:500 11.5px/1 var(--fm);letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid currentColor;padding-bottom:6px;opacity:.85;transition:opacity .2s}
.dl:hover{opacity:1}
.dl svg{width:14px;height:14px}

/* header */
header.site{position:fixed;inset:0 0 auto 0;z-index:40;color:var(--white);transition:background-color .35s ease,transform .45s cubic-bezier(.2,.7,.2,1),border-color .35s}
header.site.scrolled{background:rgba(11,11,11,.78);-webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px)}
header.site.hide{transform:translateY(-100%)}
.hbar{display:flex;align-items:center;justify-content:space-between;height:var(--hh);border-bottom:1px solid var(--line-d)}
.brand{display:flex;align-items:center;gap:18px}
.brand .mark{display:block;height:36px;width:auto;flex:none}
.brand span{font:500 10.5px/1 var(--fm);letter-spacing:.16em;text-transform:uppercase;color:var(--soft);padding-left:18px;border-left:1px solid var(--line-d);line-height:22px}
nav.main{display:flex;align-items:center;gap:30px}
nav.main a{font:500 11.5px/1 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:#D6D2CB;transition:color .2s}
nav.main a:hover{color:#fff}
nav.main a.cta{color:#fff;border:1px solid rgba(255,255,255,.6);padding:12px 16px}
nav.main a.cta:hover{background:#fff;color:var(--ink)}
.menu-btn{display:none;background:none;border:0;color:#fff;width:40px;height:40px;cursor:pointer}
.menu-btn i{display:block;width:22px;height:1px;background:#fff;margin:6px auto;transition:transform .3s}

/* hero */
.hero{position:relative;background:var(--ink);color:#fff;padding:calc(var(--hh) + clamp(60px,9vw,128px)) 0 clamp(64px,8vw,112px);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(1200px 600px at 78% 30%,rgba(157,179,166,.10),transparent 60%),radial-gradient(900px 500px at 10% 100%,rgba(176,141,87,.07),transparent 60%);pointer-events:none}
.hero .wrap{position:relative}
.hero .hgrid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:clamp(36px,5vw,84px);align-items:center}
.hero h1{font-size:clamp(44px,5.3vw,86px);line-height:.98;letter-spacing:-.035em;margin:22px 0 28px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{color:#BDB9B2;max-width:560px}
.hero .ctas,.contact-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.contact-ctas{margin:0 0 46px}
.seework{display:inline-flex;align-items:center;gap:10px;margin-top:26px;font:500 11.5px/1 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:#BDB9B2;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:6px}
.seework::after{content:"\2193"}
.seework:hover{color:#fff}
.hero .eyebrow{color:var(--accent)}
.stack{position:relative;aspect-ratio:1.18;min-height:300px}
.stack figure{position:absolute;margin:0;box-shadow:0 30px 70px rgba(0,0,0,.55),0 2px 8px rgba(0,0,0,.4);background:#fff;overflow:hidden}
.stack .s1{width:78%;left:0;top:4%;transform:rotate(-2.2deg)}
.stack .s2{width:80%;right:0;bottom:2%;transform:rotate(1.4deg)}
.stack .tag{position:absolute;font:500 10.5px/1.5 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:#D9D5CE;display:flex;align-items:center;gap:10px}
.stack .tag::before{content:"";width:34px;height:1px;background:rgba(255,255,255,.6)}
.stack .t1{right:-2%;top:-1%} .stack .t2{left:2%;bottom:-6%}
.trust{margin-top:clamp(56px,7vw,96px);border-top:1px solid var(--line-d);padding-top:28px;display:flex;gap:28px;align-items:baseline;flex-wrap:wrap}
.trust .eyebrow{color:var(--soft);flex:none}
.trust p{font:400 14px/1.9 var(--fd);letter-spacing:.06em;text-transform:uppercase;color:#8F8B84}

/* stats */
.stats{padding:0;background:var(--paper)}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line-l)}
.stat{padding:clamp(34px,4vw,54px) clamp(18px,2vw,30px) clamp(34px,4vw,54px) 0;border-right:1px solid var(--line-l)}
.stat:not(:first-child){padding-left:clamp(18px,2vw,30px)}
.stat:last-child{border-right:0}
.stat b{display:block;font:300 clamp(38px,3.8vw,60px)/1 var(--fd);letter-spacing:-.03em;margin-bottom:14px;white-space:nowrap}
.stat span{font-size:14.5px;color:#5A564F;line-height:1.5;display:block;max-width:260px}

/* services */
.svc-head{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,90px);align-items:end;margin-bottom:clamp(44px,5vw,72px)}
.svc{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-l)}
.svc article{padding:34px 30px 40px 0;border-bottom:1px solid var(--line-l)}
.svc article:not(:nth-child(3n+1)){padding-left:30px;border-left:1px solid var(--line-l)}
.svc .n{font:500 11.5px/1 var(--fm);letter-spacing:.16em;color:var(--brass);margin-bottom:26px;display:block}
.svc h3{margin-bottom:12px}
.svc p{font-size:15px;line-height:1.6}
.note-band{margin-top:clamp(36px,4vw,54px);display:flex;gap:22px;align-items:center;padding:22px 26px;background:var(--white);border:1px solid var(--line-l)}
.note-band b{font:500 11px/1 var(--fm);letter-spacing:.16em;text-transform:uppercase;color:var(--brass);flex:none}
.note-band p{font-size:15.5px;color:#2F2C28}

/* production work */
.work-head{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,90px);align-items:end;margin-bottom:clamp(54px,6vw,90px)}
.proj{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.6fr);gap:clamp(30px,4.4vw,72px);padding:clamp(48px,5vw,72px) 0;border-top:1px solid var(--line-d)}
.proj:last-child{padding-bottom:0}
.proj .meta .eyebrow{color:var(--accent);margin-bottom:18px}
.proj h3{font-size:clamp(26px,2.5vw,36px);font-weight:300;letter-spacing:-.02em;line-height:1.1;margin-bottom:18px}
.proj ul{list-style:none;margin:22px 0 28px;border-top:1px solid var(--line-d)}
.proj li{font-size:14.5px;color:#C8C4BD;padding:11px 0;border-bottom:1px solid var(--line-d);display:flex;gap:14px}
.proj li i{font:500 10.5px/1.9 var(--fm);font-style:normal;letter-spacing:.12em;color:var(--soft);flex:0 0 26px}
.proj .disc{font:400 11px/1.6 var(--fm);letter-spacing:.06em;text-transform:uppercase;color:#7D7973;margin-top:22px}
.gal{display:grid;gap:12px;align-self:start;align-content:start}
.gal.g-book{grid-template-columns:1fr 1fr}
.gal.g-book .big{grid-column:1 / -1}
.gal.g-permit{grid-template-columns:repeat(3,1fr)}
.gal.g-permit .big{grid-column:span 2;grid-row:span 2}
.gal.g-permit .big img{height:100%;object-fit:cover;object-position:top}
.gal.g-mock{grid-template-columns:1fr 1fr}
.gal a{cursor:zoom-in;display:block;position:relative;background:#fff;overflow:hidden}
.gal a img{width:100%;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.gal a:hover img{transform:scale(1.025)}
.gal a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.gal .cap{position:absolute;left:10px;bottom:10px;font:500 10px/1 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:#fff;background:rgba(11,11,11,.72);padding:7px 9px}

/* signage + process */
.built-head{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,90px);align-items:end;margin-bottom:clamp(44px,5vw,72px)}
.sub{display:flex;align-items:center;gap:16px;margin-bottom:22px;color:var(--mid)}
.sub::after{content:"";flex:1;height:1px;background:var(--line-l)}
.pairs,.tiles{--g:22px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px var(--g)}
.pairs{margin-bottom:clamp(64px,7vw,104px)}
.pair,.tile{margin:0;min-width:0}
.span2{grid-column:span 2} .span4{grid-column:1 / -1}
.imgs{display:grid;gap:var(--g)}
.imgs.n2{grid-template-columns:1fr 1fr} .imgs.n4{grid-template-columns:repeat(4,1fr)}
.frame{background:#fff;border:1px solid var(--line-l);overflow:hidden}
.frame img{width:100%;aspect-ratio:1;object-fit:cover}
.tile .frame img{aspect-ratio:3/4}
.frame.fit img{object-fit:contain;padding:8%}
.proofcard{grid-column:span 2;background:var(--ink);color:#fff;padding:clamp(26px,3vw,40px);display:flex;flex-direction:column;justify-content:space-between;gap:26px;align-self:start;aspect-ratio:2/1}
.proofcard .eyebrow{color:var(--accent)}
.proofcard p{font:300 clamp(19px,1.75vw,26px)/1.35 var(--fd);letter-spacing:-.01em;color:#E6E2DB}
figcaption{margin-top:14px}
figcaption b{display:block;font:500 15px/1.35 var(--fd);letter-spacing:-.005em}
figcaption span{display:block;font-size:13.5px;color:#6A665F;line-height:1.5;margin-top:4px;max-width:520px}

/* branding */
.logos{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line-l);border-left:1px solid var(--line-l)}
.logos figure{margin:0;border-right:1px solid var(--line-l);border-bottom:1px solid var(--line-l);padding:22px;display:flex;flex-direction:column;justify-content:space-between;gap:14px;background:var(--white)}
.logos .lg{aspect-ratio:1;display:flex;align-items:center;justify-content:center}
.logos .lg img{max-height:100%;width:auto;max-width:100%;object-fit:contain}
.logos figcaption{margin:0;font:500 10.5px/1.4 var(--fm);letter-spacing:.12em;text-transform:uppercase;color:#6A665F}
.pack{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:center;margin-top:clamp(40px,5vw,64px)}
.pack .frame img{aspect-ratio:3/2}
.pack .eyebrow{color:var(--brass);display:block;margin-bottom:16px}
.pack h3{font-size:clamp(24px,2.2vw,32px);font-weight:300;margin-bottom:14px}

/* social */
.brandrow{display:grid;grid-template-columns:220px minmax(0,1fr);gap:30px;padding:30px 0;border-top:1px solid var(--line-d)}
.brandrow:last-child{border-bottom:1px solid var(--line-d)}
.brandrow .who{display:flex;gap:14px;align-items:flex-start}
.brandrow .who img{width:48px;height:48px;border-radius:50%;object-fit:cover;flex:none;background:#fff}
.brandrow .who b{display:block;font:500 15px/1.3 var(--fd)}
.brandrow .who span{display:block;font-size:13px;color:#9A968F;line-height:1.45;margin-top:3px}
.brandrow .who a{font:500 10.5px/1 var(--fm);letter-spacing:.1em;color:var(--accent);display:inline-block;margin-top:8px}
.strip{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 40px) / 5);gap:10px;overflow-x:auto;scrollbar-width:thin}
.strip img{width:100%;aspect-ratio:4/5;object-fit:cover;background:#222}

/* digital */
.dig{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.dig .frame img{aspect-ratio:16/9}
.phones{display:grid;grid-template-columns:repeat(3,minmax(0,215px));justify-content:center;gap:24px;margin-top:34px}
.phones img{border-radius:22px;box-shadow:0 18px 40px rgba(0,0,0,.12)}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-d)}
.steps article{padding:34px 28px 10px 0}
.steps article:not(:first-child){padding-left:28px;border-left:1px solid var(--line-d)}
.steps .n{font:500 11.5px/1 var(--fm);letter-spacing:.16em;color:var(--accent);display:block;margin-bottom:24px}
.steps h3{margin-bottom:12px}
.steps p{font-size:15px}

/* about */
.about{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(36px,6vw,110px)}
.about h2{margin-bottom:28px}
.facts{border-top:1px solid var(--line-l)}
.facts div{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line-l)}
.facts dt{font:500 11px/1.6 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:var(--mid)}
.facts dd{font-size:16px;color:#22201D;line-height:1.55}
.facts dd small{display:block;color:#6A665F;font-size:14px}

/* contact */
.contact{text-align:left}
.contact h2{font-size:clamp(42px,5.6vw,88px);line-height:1;max-width:980px;letter-spacing:-.03em}
.contact .lead{color:#BDB9B2;max-width:640px;margin:30px 0 34px}
.reach{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-d)}
.reach a,.reach div{padding:28px 24px 30px 0;display:block}
.reach > *:not(:first-child){padding-left:24px;border-left:1px solid var(--line-d)}
.reach .eyebrow{color:var(--soft);display:block;margin-bottom:12px}
.reach b{font:300 clamp(20px,1.9vw,28px)/1.2 var(--fd);letter-spacing:-.01em}
.reach a:hover b{color:var(--accent)}
footer{background:var(--ink);color:#77736C;border-top:1px solid var(--line-d)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;padding-top:26px;padding-bottom:26px;font:500 10.5px/1.6 var(--fm);letter-spacing:.12em;text-transform:uppercase}

.quick{display:none}

/* lightbox */
.lb{position:fixed;inset:0;z-index:80;background:rgba(8,8,8,.94);display:none;align-items:center;justify-content:center;padding:4vh 4vw}
.lb.on{display:flex}
.lb img{max-width:100%;max-height:88vh;width:auto;box-shadow:0 30px 80px rgba(0,0,0,.6);background:#fff}
.lb .x,.lb .nav{position:absolute;background:none;border:0;color:#fff;cursor:pointer;font:300 30px/1 var(--fd);padding:14px}
.lb .x{top:14px;right:18px} .lb .prev{left:10px;top:50%;transform:translateY(-50%)} .lb .next{right:10px;top:50%;transform:translateY(-50%)}
.lb .lc{position:absolute;bottom:18px;left:0;right:0;text-align:center;font:500 11px/1 var(--fm);letter-spacing:.14em;text-transform:uppercase;color:#BDB9B2}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none} html{scroll-behavior:auto}}

/* responsive */
@media (max-width:1100px){
  .pairs,.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .span2,.span4,.proofcard{grid-column:1 / -1}
  .proofcard{aspect-ratio:auto}
  .logos{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:1fr 1fr} .steps article:nth-child(3){padding-left:0;border-left:0}
}
@media (max-width:900px){
  nav.main{position:fixed;inset:var(--hh) 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;background:#0B0B0B;padding:10px var(--pad) 28px;transform:translateY(-130%);transition:transform .4s cubic-bezier(.2,.7,.2,1)}
  nav.main a{padding:16px 0;width:100%;border-bottom:1px solid var(--line-d);font-size:13px}
  nav.main a.cta{margin-top:18px;text-align:center;border:1px solid #fff}
  body.menu nav.main{transform:none}
  body.menu header.site{background:#0B0B0B}
  .menu-btn{display:block}
  body.menu .menu-btn i:first-child{transform:translateY(3.5px) rotate(45deg)} body.menu .menu-btn i:last-child{transform:translateY(-3.5px) rotate(-45deg)}
  .brand span{display:none}
  .hero .hgrid,.svc-head,.work-head,.built-head,.about,.proj{grid-template-columns:1fr}
  .stack{margin-top:20px}
  .stats .grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0} .stat:nth-child(3){padding-left:0} .stat:nth-child(-n+2){border-bottom:1px solid var(--line-l)}
  .svc{grid-template-columns:1fr 1fr}
  .svc article:not(:nth-child(3n+1)){padding-left:0;border-left:0}
  .svc article:nth-child(even){padding-left:24px;border-left:1px solid var(--line-l)}
  .brandrow{grid-template-columns:1fr;gap:18px}
  .strip{grid-auto-columns:minmax(150px,42%)}
  .dig{grid-template-columns:1fr}
  .reach{grid-template-columns:1fr} .reach > *:not(:first-child){padding-left:0;border-left:0;border-top:1px solid var(--line-d)}
}
@media (max-width:600px){
  .svc,.steps{grid-template-columns:1fr}
  .stat{padding:26px 14px 26px 0}
  .stat:nth-child(even){padding-left:16px}
  .stat b{font-size:34px;margin-bottom:10px}
  .stat span{font-size:13px}
  .stack{aspect-ratio:1.05;margin-right:4px}
  .stack .s1{width:80%} .stack .s2{width:80%;right:2%}
  .stack .t1{right:0;top:-6%} .stack .t2{left:0;bottom:-7%}
  .svc article,.steps article{padding-left:0!important;border-left:0!important}
  .pairs,.tiles{--g:12px;gap:30px var(--g)}
  .imgs.n4{grid-template-columns:1fr 1fr}
  .pack{grid-template-columns:1fr}
  .logos{grid-template-columns:1fr 1fr}
  .gal.g-permit{grid-template-columns:1fr 1fr}
  .gal.g-permit .big{grid-row:auto}
  .phones{grid-template-columns:repeat(3,1fr);gap:10px}
  .facts div{grid-template-columns:1fr;gap:6px}
  footer .wrap{flex-direction:column}
  .note-band{flex-direction:column;align-items:flex-start;gap:10px}
  .hero .ctas .btn,.contact-ctas .btn{flex:1 1 100%;justify-content:center}
  .quick{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:35;background:rgba(11,11,11,.94);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--line-d);padding:10px var(--pad) calc(10px + env(safe-area-inset-bottom));gap:10px;transform:translateY(110%);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
  body.quick-on .quick{transform:none}
  .quick a{display:flex;align-items:center;justify-content:center;height:48px;font:500 12px/1 var(--fd);letter-spacing:.14em;text-transform:uppercase;color:#fff;border:1px solid rgba(255,255,255,.55)}
  .quick a:first-child{background:#fff;color:var(--ink);border-color:#fff}
  footer .wrap{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
}