/* ============================================================
   PORTFOLIO — shared stylesheet
   Edit here once; every page picks it up.

   Palette borrowed from the artifacts themselves: press-grey
   board stock, black ink, and the blue leader-line used on
   production spec drawings.
   ============================================================ */
:root{
  --stock:      #E4E4DE;
  --plate:      #F7F7F4;
  --plate-alt:  #EDEDE8;
  --ink:        #141618;
  --ink-2:      #5B605D;
  --ink-3:      #8A8F8B;
  --rule:       #C4C6BF;
  --rule-soft:  #D5D7D0;
  --anno:       #1B3FD1;

  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;

  --gut: clamp(20px, 4vw, 64px);
  --max: 1320px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation:none !important; transition:none !important; }
}

body{
  margin:0;
  background-color:var(--stock);
  background-image:
    linear-gradient(to right, rgba(20,22,24,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20,22,24,.045) 1px, transparent 1px);
  background-size: 44px 44px;
  color:var(--ink);
  font-family:var(--serif);
  font-size:17px;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
}

img,video{ max-width:100%; display:block; }
a{ color:inherit; }

.wrap{ max-width:var(--max); margin:0 auto; padding-inline:var(--gut); }

/* ---------- type roles ---------- */
.mono{
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.15em;
  text-transform:uppercase;
  font-weight:500;
}
.display{
  font-family:var(--sans);
  font-variation-settings:"wdth" 118, "wght" 800;
  text-transform:uppercase;
  line-height:.92;
  letter-spacing:-.015em;
  margin:0;
}

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar{
  position:sticky; top:0; z-index:60;
  background:rgba(228,228,222,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--ink);
}
.topbar-in{
  max-width:var(--max); margin:0 auto; padding:0 var(--gut);
  height:54px; display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{
  font-family:var(--sans);
  font-variation-settings:"wdth" 112, "wght" 800;
  text-transform:uppercase; letter-spacing:.02em;
  font-size:.9rem; text-decoration:none; white-space:nowrap;
}
.topnav{ display:flex; gap:22px; align-items:center; }
.topnav a{ text-decoration:none; color:var(--ink-2); transition:color .18s ease; }
.topnav a:hover, .topnav a:focus-visible{ color:var(--anno); }
.topnav a.here{ color:var(--ink); }
@media (max-width:760px){ .topnav{ display:none; } }

/* ============================================================
   HERO — title block, like the header of a production drawing
   ============================================================ */
.hero{ padding:clamp(48px,9vw,110px) 0 clamp(36px,6vw,64px); }
.hero-eyebrow{ color:var(--anno); margin-bottom:22px; }
.hero h1{ font-size:clamp(2.5rem,8.2vw,6.2rem); max-width:16ch; }
.hero h1 em{
  font-style:normal;
  font-variation-settings:"wdth" 80, "wght" 500;
  color:var(--ink-2);
}
.hero-lede{
  margin:34px 0 0; max-width:56ch;
  font-size:clamp(1.02rem,1.5vw,1.2rem); color:var(--ink-2);
}

.titleblock{
  margin-top:clamp(40px,6vw,72px);
  border-top:1.5px solid var(--ink);
  border-bottom:1px solid var(--rule);
  display:grid; grid-template-columns:repeat(4,1fr);
}
.titleblock div{ padding:16px 18px 18px 0; border-right:1px solid var(--rule-soft); }
.titleblock div:last-child{ border-right:0; }
.titleblock dt{ color:var(--ink-3); margin-bottom:8px; }
.titleblock dd{ margin:0; font-family:var(--sans); font-variation-settings:"wdth" 100,"wght" 600; font-size:.95rem; line-height:1.35; }
@media (max-width:860px){
  .titleblock{ grid-template-columns:repeat(2,1fr); }
  .titleblock div{ border-bottom:1px solid var(--rule-soft); }
}

/* ============================================================
   LANDING PAGE — project index
   ============================================================ */
.index-list{ border-top:1.5px solid var(--ink); margin-top:clamp(30px,5vw,56px); }

.project-row{
  display:grid; grid-template-columns:auto minmax(0,1fr) minmax(0,320px);
  gap:14px 40px; align-items:start;
  padding:clamp(26px,3.4vw,42px) 0;
  border-bottom:1px solid var(--rule);
  text-decoration:none;
  transition:background .2s ease;
}
.project-row:hover, .project-row:focus-visible{ background:rgba(27,63,209,.045); }
.project-row .n{
  font-family:var(--mono); font-size:.6875rem; letter-spacing:.15em;
  color:var(--anno); padding-top:9px;
}
.project-row h2{ font-size:clamp(1.5rem,3.2vw,2.4rem); margin:0 0 10px; }
.project-row .meta{ color:var(--ink-3); margin-bottom:12px; }
.project-row p{ margin:0; color:var(--ink-2); max-width:58ch; }
.project-row .thumb{
  background:var(--plate); border:1px solid var(--rule); padding:8px;
}
.project-row .thumb img{ width:100%; aspect-ratio:16/10; object-fit:cover; }
.project-row .go{
  grid-column:2; margin-top:16px; color:var(--anno);
  font-family:var(--mono); font-size:.6875rem; letter-spacing:.15em; text-transform:uppercase;
}
.project-row .go::after{ content:" →"; }
@media (max-width:880px){
  .project-row{ grid-template-columns:auto 1fr; }
  .project-row .thumb{ grid-column:1 / -1; order:-1; margin-bottom:6px; }
}

/* ============================================================
   SECTION SCAFFOLD
   ============================================================ */
.case{ padding-bottom:clamp(60px,9vw,120px); }

.section-head{
  border-top:1.5px solid var(--ink);
  padding-top:20px;
  margin-top:clamp(56px,8vw,104px);
  display:grid; grid-template-columns:auto 1fr; gap:8px 40px; align-items:baseline;
}
.section-index{ color:var(--anno); font-family:var(--mono); font-size:.6875rem; letter-spacing:.15em; padding-top:6px; }
.section-head h2{ font-size:clamp(1.6rem,3.4vw,2.7rem); }
.section-head .kicker{
  grid-column:2; margin:14px 0 0; max-width:60ch; color:var(--ink-2);
  font-size:1.05rem;
}
@media (max-width:700px){
  .section-head{ grid-template-columns:1fr; }
  .section-head .kicker{ grid-column:1; }
}

/* smaller heading for content pillars inside one case */
.pillar-head{
  margin-top:clamp(44px,6vw,72px);
  padding-top:18px;
  border-top:1px solid var(--rule);
}
.pillar-head h3{
  font-family:var(--sans); font-variation-settings:"wdth" 110,"wght" 700;
  text-transform:uppercase; letter-spacing:-.01em;
  font-size:clamp(1.15rem,2.1vw,1.6rem); margin:0 0 10px;
}
.pillar-head .tag{ color:var(--anno); display:block; margin-bottom:10px; }
.pillar-head p{ margin:0; max-width:62ch; color:var(--ink-2); }

/* ============================================================
   PLATES (images & video) + leader-line captions
   ============================================================ */
.plate{ margin:0; position:relative; }
.plate-img{
  background:var(--plate);
  border:1px solid var(--rule);
  padding:clamp(10px,1.6vw,22px);
  position:relative;
}
.plate-img::before,.plate-img::after{
  content:""; position:absolute; width:9px; height:9px; border:1px solid var(--anno);
  opacity:.55; pointer-events:none;
}
.plate-img::before{ top:-1px; left:-1px; border-right:0; border-bottom:0; }
.plate-img::after{ bottom:-1px; right:-1px; border-left:0; border-top:0; }
.plate-img img, .plate-img video{ width:100%; height:auto; }

.plate figcaption{
  display:flex; align-items:flex-start; gap:12px;
  margin-top:12px; color:var(--ink-2);
  font-family:var(--mono); font-size:.6875rem; letter-spacing:.1em; text-transform:uppercase; line-height:1.6;
}
.plate figcaption::before{
  content:""; flex:0 0 34px; height:1px; background:var(--anno); margin-top:9px;
}
.plate figcaption b{ color:var(--ink); font-weight:600; }

/* motion marker on video plates */
.plate-motion .plate-img{ background:var(--plate-alt); }
.plate-motion figcaption b::after{
  content:" ▶"; color:var(--anno); font-size:.85em;
}

.plate-dark .plate-img{ background:var(--plate-alt); }

.plates{ display:grid; gap:clamp(18px,2.6vw,34px); margin-top:clamp(28px,4vw,48px); }
.plates.two{ grid-template-columns:repeat(2,1fr); }
.plates.three{ grid-template-columns:repeat(3,1fr); }
.plates.four{ grid-template-columns:repeat(4,1fr); }
@media (max-width:1020px){ .plates.four{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:820px){
  .plates.two, .plates.three{ grid-template-columns:1fr; }
}
@media (max-width:560px){ .plates.four{ grid-template-columns:1fr; } }

/* square-format social work reads better cropped consistently */
.plates.social .plate-img img,
.plates.social .plate-img video{ aspect-ratio:1/1; object-fit:cover; }

/* ============================================================
   NARRATIVE — the four stages
   ============================================================ */
.body-grid{
  display:grid; grid-template-columns:minmax(0,1.55fr) minmax(0,.9fr);
  gap:clamp(30px,5vw,72px);
  margin-top:clamp(34px,5vw,58px);
}
@media (max-width:940px){ .body-grid{ grid-template-columns:1fr; } }

.stage{ padding-bottom:26px; margin-bottom:26px; border-bottom:1px solid var(--rule-soft); }
.stage:last-child{ border-bottom:0; margin-bottom:0; padding-bottom:0; }
.stage h3{
  font-family:var(--mono); font-size:.6875rem; letter-spacing:.16em; text-transform:uppercase;
  font-weight:600; color:var(--anno); margin:0 0 12px;
}
.stage p{ margin:0 0 15px; max-width:64ch; }
.stage p:last-child{ margin-bottom:0; }
.stage ul{ margin:0 0 15px; padding-left:20px; max-width:62ch; }
.stage li{ margin-bottom:6px; }

/* sidebar spec panel */
.specs{ align-self:start; position:sticky; top:80px; }
@media (max-width:940px){ .specs{ position:static; } }
.specs-panel{
  background:var(--plate);
  border:1px solid var(--ink);
  padding:22px 22px 24px;
}
.specs-panel + .specs-panel{ margin-top:18px; }
.specs-panel h4{
  font-family:var(--mono); font-size:.625rem; letter-spacing:.18em; text-transform:uppercase;
  margin:0 0 16px; padding-bottom:10px; border-bottom:1px solid var(--rule);
  color:var(--ink-3); font-weight:600;
}
.specs-panel ul{ list-style:none; margin:0; padding:0; }
.specs-panel li{
  display:grid; grid-template-columns:88px 1fr; gap:14px;
  padding:7px 0; font-size:.86rem; line-height:1.5;
  border-bottom:1px dotted var(--rule-soft);
}
.specs-panel li:last-child{ border-bottom:0; }
.specs-panel li span:first-child{
  font-family:var(--mono); font-size:.625rem; letter-spacing:.09em; text-transform:uppercase;
  color:var(--ink-3); padding-top:3px;
}
.specs-panel li span:last-child{ font-family:var(--sans); font-variation-settings:"wdth" 100,"wght" 500; }

/* big single figure inside a spec panel */
.stat{ text-align:left; }
.stat b{
  display:block;
  font-family:var(--sans); font-variation-settings:"wdth" 118,"wght" 800;
  font-size:clamp(2.4rem,5vw,3.4rem); line-height:1; letter-spacing:-.02em;
}
.stat span{
  display:block; margin-top:10px; color:var(--ink-2); font-size:.88rem; line-height:1.5;
  font-family:var(--serif);
}

.swatches{ display:flex; gap:10px; margin-top:6px; flex-wrap:wrap; }
.sw{ text-align:center; }
.sw i{ display:block; width:42px; height:42px; border:1px solid var(--rule); }
.sw span{ display:block; margin-top:6px; font-family:var(--mono); font-size:.5625rem; letter-spacing:.08em; color:var(--ink-3); }

/* ============================================================
   FILL-IN MARKERS — everything only you can answer.
   Replace the text, then delete the <span> wrapper.
   ============================================================ */
.fill{
  background:rgba(27,63,209,.09);
  border-bottom:1.5px dashed var(--anno);
  color:var(--anno);
  padding:0 3px;
  font-style:normal;
  cursor:help;
}
.fill::after{ content:" ⟵"; font-family:var(--mono); font-size:.72em; opacity:.65; }

/* ============================================================
   CALLOUT
   ============================================================ */
.callout{
  border-left:3px solid var(--anno);
  padding:4px 0 4px 22px;
  margin:26px 0 0;
  font-family:var(--sans); font-variation-settings:"wdth" 100,"wght" 500;
  font-size:1.05rem; line-height:1.5; color:var(--ink);
  max-width:52ch;
}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{
  border-top:1.5px solid var(--ink);
  margin-top:clamp(50px,7vw,90px); padding:34px 0 60px;
  display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap;
  color:var(--ink-2);
}
.foot a{ color:var(--anno); text-decoration:none; border-bottom:1px solid currentColor; }

/* next/prev project link at the end of a case study */
.nextcase{
  border-top:1.5px solid var(--ink);
  margin-top:clamp(50px,7vw,90px); padding-top:26px;
  display:block; text-decoration:none;
}
.nextcase span{ color:var(--ink-3); display:block; margin-bottom:10px; }
.nextcase strong{
  font-family:var(--sans); font-variation-settings:"wdth" 118,"wght" 800;
  text-transform:uppercase; font-size:clamp(1.4rem,3vw,2.2rem); line-height:1;
  display:block; transition:color .18s ease;
}
.nextcase:hover strong, .nextcase:focus-visible strong{ color:var(--anno); }
.nextcase strong::after{ content:" →"; }

/* ============================================================
   REVEAL
   ============================================================ */
.rv{ opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease; }
.rv.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .rv{ opacity:1; transform:none; } }

:focus-visible{ outline:2px solid var(--anno); outline-offset:3px; }