/* Paulino Cardoso · shared styles
   System: black + rust on white. Rust is the signature accent: strike, arrow, full stop, links. */
:root{
  --paper:#FFFFFF; --surface:#F6F4F1; --ink:#141414; --text:#1F1F1F; --muted:#5E5A55; --rule:#E2DDD6;
  --rust:#B4451F; --rust-soft:#F6E3DA; --mark:#B4451F; --panel:#141414; --on-panel:#FFFFFF; --rust-on-panel:#F07A4A;
  --display:"Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --serif:"Newsreader", Georgia, "Times New Roman", serif;
  --mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;
  --wrap:1160px; --read:66ch;
}
@media (prefers-color-scheme: dark){ :root{
  --paper:#121212; --surface:#1C1B1A; --ink:#F3F0EC; --text:#E2DED8; --muted:#A39E97; --rule:#2E2C2A;
  --rust:#F07A4A; --rust-soft:#3A241B; --mark:#F07A4A; --panel:#1C1B1A; --on-panel:#F3F0EC; --rust-on-panel:#F07A4A; color-scheme:dark } }

*{box-sizing:border-box}
html{scroll-padding-top:80px}
@media (prefers-reduced-motion:no-preference){ html{scroll-behavior:smooth} }
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--serif);font-size:1.125rem;line-height:1.6;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
.wrap{max-width:var(--wrap);margin:0 auto}
a{color:var(--rust);text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--rust);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);text-wrap:balance;margin:0;line-height:1.06}
p{margin:0}
.label{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* header */
.site-header{position:sticky;top:0;z-index:5;background:var(--paper);border-bottom:1px solid var(--rule);
  margin-inline:calc(-1 * max(16px, env(safe-area-inset-left, 0px)));padding-inline:max(16px, env(safe-area-inset-left, 0px))}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;padding-block:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand span{font-family:var(--display);font-weight:800;font-size:1.2rem;letter-spacing:-.03em}
.brand span b{color:var(--rust);font-weight:800}
nav{display:flex;gap:22px}
nav a{font-family:var(--display);font-weight:600;font-size:.95rem;color:var(--muted);text-decoration:none}
nav a:hover{color:var(--ink)}

/* buttons */
.btn{font-family:var(--display);font-weight:600;font-size:1rem;padding:12px 20px;border-radius:6px;text-decoration:none;border:1.5px solid var(--ink);color:var(--ink);background:transparent;cursor:pointer;display:inline-block}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn:hover{border-color:var(--rust);color:var(--rust)}
.btn.primary:hover{background:var(--rust);border-color:var(--rust);color:#fff}

/* the motif */
.strike{text-decoration:line-through;text-decoration-color:var(--mark);text-decoration-thickness:2px;opacity:.65}
.rewrite{font-family:var(--serif);font-style:italic}
.rewrite::before{content:"→ ";font-style:normal;color:var(--mark)}
.dot{color:var(--mark)}
.sig{display:block;width:56px;height:6px;border-radius:3px;background:var(--rust);margin-top:16px}
ul.dots{list-style:none;margin:0;padding:0;display:grid;gap:10px}
ul.dots li{position:relative;padding-left:22px}
ul.dots li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--rust)}

/* reframe panel */
.reframe{margin:0;background:var(--panel);color:var(--on-panel);border-radius:14px;padding:clamp(22px,3.5vw,36px);display:grid;gap:16px;min-width:0}
.reframe .label{color:inherit;opacity:.65}
.rf-line{display:grid;gap:12px;min-height:9em;align-content:center}
.rf-before{font-family:var(--display);font-size:clamp(1.05rem,2.2vw,1.3rem)}
.rf-before #rf-before{text-decoration:line-through;text-decoration-color:var(--rust-on-panel);text-decoration-thickness:2px;opacity:.6}
.rf-after{font-family:var(--serif);font-style:italic;font-size:clamp(1.55rem,3.2vw,2.2rem);line-height:1.18;text-wrap:balance}
#rf-after::before{content:"→ ";font-style:normal;color:var(--rust-on-panel)}
.rf-line .seen{font-style:normal;margin-bottom:6px;opacity:.6}
.rf-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border-top:1px solid color-mix(in srgb, currentColor 22%, transparent);padding-top:14px}
.rf-meta span{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;opacity:.75}
.dots-nav{display:flex;gap:4px}
.dots-nav button{width:36px;height:24px;border:0;background:transparent;cursor:pointer;padding:9px 4px;color:inherit}
.dots-nav button::before{content:"";display:block;height:6px;border-radius:3px;background:currentColor;opacity:.25}
.dots-nav button[aria-current="true"]::before{opacity:1;background:var(--rust-on-panel)}
.rf-anim{transition:opacity .35s ease, transform .35s ease}
.rf-anim.out{opacity:0;transform:translateY(6px)}

/* sections */
section{padding-block:clamp(52px,7.5vw,92px)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:14px 32px;flex-wrap:wrap;margin-bottom:28px}
.sec-head h2{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:800;letter-spacing:-.04em}
.sec-head p{color:var(--muted);max-width:52ch;font-size:1.02rem}

footer.site-footer{padding-block:36px 52px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.95rem;border-top:1px solid var(--rule);margin-top:56px}
.end{font-family:var(--mono);letter-spacing:.3em;color:var(--ink)}

/* ---------- case study pages ---------- */
.crumbs{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:22px 0}
.crumbs a{font-family:var(--display);font-weight:600;font-size:.95rem;text-decoration:none;color:var(--muted)}
.crumbs a:hover{color:var(--ink)}
.case-hero{padding-block:28px 8px;display:grid;gap:22px}
.chip{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);background:var(--rust-soft);padding:6px 12px;border-radius:999px;width:fit-content;max-width:100%;line-height:1.4}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--rust)}
.case-hero h1{font-size:clamp(2.2rem,5.2vw,3.9rem);max-width:20ch;font-weight:800;letter-spacing:-.045em;line-height:.98}
.case-hero .reframe-line{display:grid;gap:6px;font-size:clamp(1.25rem,2.6vw,1.7rem);line-height:1.25}
.case-hero .reframe-line .strike{font-family:var(--display);color:var(--ink);font-size:.8em}
.case-hero .reframe-line .rewrite{color:var(--ink)}
.case-hero .lede{font-size:1.25rem;max-width:var(--read);color:var(--text)}

.glance{margin:28px 0 0;background:var(--surface);border:1px solid var(--rule);border-radius:14px;padding:clamp(20px,3vw,30px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 36px}
.glance div{min-width:0;border-top:1px solid var(--rule);padding-top:12px}
.glance dt{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.glance dd{margin:6px 0 0;font-size:1.05rem;line-height:1.45;color:var(--ink)}
.glance .wide{grid-column:1/-1}

.honest{margin-top:16px;display:flex;gap:12px;align-items:flex-start;font-size:1rem;color:var(--text);background:var(--rust-soft);border-radius:10px;padding:14px 16px}
.honest b{font-family:var(--display);color:var(--ink)}

.chapter{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.1fr);gap:16px 48px;padding-block:clamp(36px,5vw,56px);border-top:1px solid var(--rule)}
.chapter h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;letter-spacing:-.03em}
.chapter .body{display:grid;gap:16px;max-width:var(--read);min-width:0}
.chapter .body h3{font-size:1.15rem;font-weight:700;margin-top:6px}
.pull{font-family:var(--serif);font-style:italic;font-size:clamp(1.4rem,2.8vw,1.9rem);line-height:1.3;color:var(--ink);border-left:3px solid var(--rust);padding-left:18px}
ol.steps{margin:0;padding:0;list-style:none;display:grid;gap:18px;counter-reset:s}
ol.steps li{counter-increment:s;display:grid;grid-template-columns:2.2em minmax(0,1fr);gap:4px 12px}
ol.steps li::before{content:counter(s);font-family:var(--mono);font-size:.85rem;color:var(--rust);padding-top:.25em}
ol.steps li b{font-family:var(--display);font-weight:700;color:var(--ink)}
ol.steps li p{grid-column:2}

.figs{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:14px}
.fig{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:16px}
.fig b{display:block;font-family:var(--display);font-weight:800;font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
.fig span{display:block;margin-top:6px;font-size:.95rem;color:var(--muted);line-height:1.35}

.statement{background:var(--panel);color:var(--on-panel);border-radius:14px;padding:clamp(22px,4vw,40px);display:grid;gap:14px}
.statement .label{color:inherit;opacity:.7}
.statement p{font-size:clamp(1.25rem,2.5vw,1.6rem);line-height:1.35}
.statement b{font-weight:500;font-style:italic;color:var(--rust-on-panel)}

.next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:20px}
.next a{display:block;background:var(--surface);border:1px solid var(--rule);border-radius:12px;padding:18px 20px;text-decoration:none;color:var(--ink)}
.next a:hover{border-color:var(--rust)}
.next a span{display:block}
.next a .t{font-family:var(--display);font-weight:700;font-size:1.15rem;margin-top:4px}

.cta{margin-top:clamp(40px,6vw,64px);background:var(--panel);color:var(--on-panel);border-radius:14px;padding:clamp(26px,5vw,48px);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta h2{color:var(--on-panel);font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;letter-spacing:-.04em}
.cta h2 .dot{color:var(--rust-on-panel)}
.cta .btn{border-color:var(--on-panel);color:var(--on-panel)}
.cta .btn:hover{border-color:var(--rust-on-panel);color:var(--rust-on-panel)}

@media (max-width:820px){
  .chapter{grid-template-columns:minmax(0,1fr)}
  .glance{grid-template-columns:minmax(0,1fr)}
  .next{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:520px){ nav{gap:14px} .brand span{font-size:1rem} }
@media (prefers-reduced-motion:reduce){ .rf-anim{transition:none} }

/* perception labels: "Seen as" / "Now seen as" */
.seen{display:block;font-family:var(--mono);font-style:normal;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;opacity:.7;margin-bottom:2px;text-decoration:none}
.strike .seen,.rf-before .seen,.visual .b .seen{display:block}
.case-hero .perception{display:grid;gap:10px;margin-top:4px}
.case-hero .perception .was{font-family:var(--display);font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--ink)}
.case-hero .perception .was s{text-decoration-color:var(--mark);text-decoration-thickness:2px;opacity:.65}
.case-hero .perception .now{font-family:var(--serif);font-style:italic;font-size:clamp(1.4rem,3vw,2rem);line-height:1.2;color:var(--ink)}
.case-hero .perception .now .t::before{content:"→ ";font-style:normal;color:var(--mark)}

/* brand worlds: visuals in each brand's own look */
.night{position:relative;overflow:hidden;background:#130F40 url("img/night.jpg") center/cover no-repeat;color:#fff;font-family:"Helvetica Neue",Arial,sans-serif}
.night::before{content:"";position:absolute;width:min(70%,420px);aspect-ratio:1;right:-12%;top:50%;transform:translateY(-50%);border:5px solid #8A63FF;border-radius:50%;opacity:.85;pointer-events:none}
.night::after{content:"";position:absolute;width:min(46%,280px);aspect-ratio:1;right:-.5%;top:50%;transform:translateY(-50%);border:1.5px solid #8A63FF;border-radius:50%;opacity:.5;pointer-events:none}
.night .moon{position:absolute;width:clamp(22px,4vw,34px);aspect-ratio:1;border-radius:50%;background:#FFC24B;right:clamp(90px,26%,240px);top:12%;box-shadow:0 0 30px rgba(255,194,75,.45);z-index:1}
.night>*{position:relative;z-index:1}
.night .nm{color:#FFC24B}
.cover{border-radius:14px;padding:clamp(26px,5vw,52px);min-height:clamp(240px,34vw,360px);display:grid;align-content:center;gap:14px}
.chapter .cover h3,.cover h3{font-family:"Helvetica Neue",Arial,sans-serif;color:#fff;font-weight:800;font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.08;letter-spacing:-.02em;max-width:72%}
.cover p{font-size:.95rem;opacity:.8;max-width:60%}
.trio{border-radius:14px;padding:clamp(20px,4vw,32px);display:grid;gap:16px}
.trio .row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.trio .row3 div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:14px;display:grid;gap:6px;align-content:start}
.trio .k{font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:#FFC24B}
.trio b{font-size:1.05rem}
.trio .row3 span:last-child{font-size:.9rem;opacity:.82;line-height:1.4}
.trio .stmt{font-size:clamp(1.05rem,2.2vw,1.3rem);line-height:1.4}
.swatches{display:flex;flex-wrap:wrap;gap:8px 14px}
.swatches span{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.swatches i{width:22px;height:22px;border-radius:50%;border:1px solid var(--rule)}
.shows{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.shows>div{background:var(--surface);border:1px solid var(--rule);border-radius:12px;padding:16px 18px;display:grid;gap:6px;align-content:start}
.shows h3{font-size:1.05rem}
.shows p{font-size:.97rem;line-height:1.45}
.caption{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
@media (max-width:760px){ .shows,.trio .row3{grid-template-columns:minmax(0,1fr)} .cover h3,.cover p{max-width:78%} }
.night.trio::before,.night.trio::after{display:none}
@media (max-width:560px){ .cover.night::before{right:-38%;top:0;transform:none;width:70%} .cover.night::after{right:-22%;top:12%;transform:none;width:44%} .cover.night .moon{right:16%;top:8%} .cover{padding-top:64px} }

/* shared case blocks */
.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.cols>div{background:var(--surface);border:1px solid var(--rule);border-radius:12px;padding:18px 20px;display:grid;gap:8px;align-content:start}
.chapter .cols h3{font-size:1.1rem;line-height:1.2;margin:0}
.cols p,.cols li{font-size:.98rem;line-height:1.45}
.cols ul{margin:0;padding-left:1.1em;display:grid;gap:4px}
.nos{border:1px solid var(--rule);border-radius:12px;padding:18px 20px;display:grid;gap:12px;background:var(--surface)}
.nos ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.nos li{display:grid;gap:2px}
.nos s{font-family:var(--display);font-weight:600;color:var(--ink);text-decoration-color:var(--mark);text-decoration-thickness:2px}
.nos span{font-size:.98rem;color:var(--muted);line-height:1.45}
.snapshot{font-family:var(--display);font-weight:600;font-size:clamp(1.05rem,2vw,1.2rem);line-height:1.45;color:var(--ink);border-left:4px solid var(--rust);padding:4px 0 4px 16px;max-width:62ch}
.snapshot b{font-family:var(--mono);font-weight:500;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--rust);display:block;margin-bottom:4px}
@media (max-width:760px){ .cols{grid-template-columns:minmax(0,1fr)} }
.nos span.label{font-size:.74rem;line-height:1.4}