/* ===== Cherechi Orika — Portfolio shared styles ===== */
:root{
  /* Light — warmer sand ground so it doesn't read as flat white */
  --paper:#E7DCC2; --paper-2:#DBCFB2; --card:#F3ECDA; --card-2:#F9F3E6;
  --ink:#211d16; --ink-soft:#5f574a; --ink-faint:#8d8273;
  --line:#d0c3a6; --line-soft:#d9cdb2;
  --accent:#9a6a2b; --accent-ink:#7c531d; --accent-tint:#ecdfc9;
  --live:#4f6f52; --live-tint:#dde7d8; --beta:#9a6a2b; --beta-tint:#ecdfc9;
  --shadow:0 1px 0 rgba(33,29,22,.03), 0 12px 32px -20px rgba(33,29,22,.42);
  --serif:"Hoefler Text","Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,serif;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Menlo","Cascadia Mono",monospace;
  --maxw:1080px;
}
@media (prefers-color-scheme: dark){
  :root{
    /* Dark — warm brown, lifted off pure black */
    --paper:#211c15; --paper-2:#2a241b; --card:#2f2820; --card-2:#362e24;
    --ink:#f0e8db; --ink-soft:#bcb09d; --ink-faint:#8e8372;
    --line:#3e3427; --line-soft:#332a1f;
    --accent:#d6a860; --accent-ink:#e7bf80; --accent-tint:#39301f;
    --live:#93b48c; --live-tint:#28331f; --beta:#d6a860; --beta-tint:#39301f;
    --shadow:0 1px 0 rgba(0,0,0,.22), 0 14px 36px -22px rgba(0,0,0,.8);
  }
}
:root[data-theme="light"]{
  --paper:#E7DCC2; --paper-2:#DBCFB2; --card:#F3ECDA; --card-2:#F9F3E6;
  --ink:#211d16; --ink-soft:#5f574a; --ink-faint:#8d8273;
  --line:#d0c3a6; --line-soft:#d9cdb2; --accent:#9a6a2b; --accent-ink:#7c531d;
  --accent-tint:#ecdfc9; --live:#4f6f52; --live-tint:#dde7d8; --beta:#9a6a2b; --beta-tint:#ecdfc9;
  --shadow:0 1px 0 rgba(33,29,22,.03), 0 12px 32px -20px rgba(33,29,22,.42);
}
:root[data-theme="dark"]{
  --paper:#211c15; --paper-2:#2a241b; --card:#2f2820; --card-2:#362e24;
  --ink:#f0e8db; --ink-soft:#bcb09d; --ink-faint:#8e8372;
  --line:#3e3427; --line-soft:#332a1f; --accent:#d6a860; --accent-ink:#e7bf80;
  --accent-tint:#39301f; --live:#93b48c; --live-tint:#28331f; --beta:#d6a860; --beta-tint:#39301f;
  --shadow:0 1px 0 rgba(0,0,0,.22), 0 14px 36px -22px rgba(0,0,0,.8);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.6;
     -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:var(--accent-ink);text-decoration-color:color-mix(in srgb,var(--accent) 40%, transparent)}
::selection{background:var(--accent-tint)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,40px)}

/* nav */
nav{position:sticky;top:0;z-index:60;backdrop-filter:saturate(1.1) blur(9px);
    background:color-mix(in srgb,var(--paper) 84%, transparent);border-bottom:1px solid var(--line-soft)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:12px clamp(18px,4vw,40px);
        display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-family:var(--serif);font-weight:600;font-size:19px;letter-spacing:.01em;text-decoration:none;color:var(--ink)}
.brand b{color:var(--accent-ink)}
.nav-links{display:flex;gap:20px;align-items:center;font-size:13.5px;font-family:var(--mono);letter-spacing:.02em}
.nav-links a{color:var(--ink-soft);text-decoration:none}
.nav-links a:hover{color:var(--accent-ink)}
.menu{position:relative}
.menu>button{font-family:var(--mono);font-size:13.5px;letter-spacing:.02em;color:var(--ink-soft);background:none;border:none;cursor:pointer;padding:0;display:inline-flex;gap:5px;align-items:center}
.menu>button:hover{color:var(--accent-ink)}
.menu-panel{position:absolute;right:0;top:calc(100% + 12px);min-width:230px;background:var(--card);border:1px solid var(--line);
   border-radius:10px;box-shadow:var(--shadow);padding:7px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.16s;z-index:70}
.menu:hover .menu-panel,.menu:focus-within .menu-panel,.menu-panel.open{opacity:1;visibility:visible;transform:none}
.menu-panel a{display:block;text-decoration:none;padding:9px 11px;border-radius:7px;color:var(--ink)}
.menu-panel a:hover{background:var(--paper-2)}
.menu-panel a small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);margin-top:2px}
.toggle{border:1px solid var(--line);background:var(--card);color:var(--ink-soft);border-radius:999px;
        width:32px;height:32px;cursor:pointer;font-size:14px;display:grid;place-items:center;flex:none}
.toggle:hover{color:var(--accent-ink);border-color:var(--accent)}
@media(max-width:720px){.nav-links .hide-sm{display:none}}

/* section scaffold */
section{padding:clamp(40px,7vw,72px) 0;border-top:1px solid var(--line-soft)}
.sec-label{display:flex;align-items:baseline;gap:14px;margin-bottom:8px}
.sec-num{font-family:var(--mono);font-size:12px;color:var(--accent-ink);letter-spacing:.1em}
.sec-label h2{font-family:var(--serif);font-weight:500;font-size:clamp(26px,4vw,40px);letter-spacing:-.015em;margin:0}
.sec-sub{color:var(--ink-soft);max-width:64ch;font-size:15.5px;margin:0 0 28px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--accent-ink);font-weight:600}

/* badges + chips */
.badge{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;
       border-radius:999px;padding:5px 11px;white-space:nowrap;display:inline-block}
.badge.live{background:var(--live-tint);color:var(--live)}
.badge.beta{background:var(--beta-tint);color:var(--beta)}
.badge.internal{background:var(--paper-2);color:var(--ink-soft)}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chips .c{font-family:var(--mono);font-size:11px;letter-spacing:.02em;color:var(--ink);border:1px solid var(--line);
          background:var(--card);border-radius:999px;padding:4px 10px}

/* image shots + lightbox */
.shot{position:relative;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--card);box-shadow:var(--shadow)}
.shot img{width:100%;height:auto;cursor:zoom-in;display:block}
.shot::after{content:"⤢ Expand";position:absolute;top:10px;right:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;
   padding:4px 8px;border-radius:7px;background:rgba(22,17,10,.6);color:#fff;pointer-events:none;opacity:.9;z-index:4;transition:background .15s}
.shot:hover::after{background:var(--accent-ink);opacity:1}
.shot figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.03em;color:var(--ink-faint);
   padding:9px 13px;border-top:1px solid var(--line-soft);background:var(--card-2)}
.gallery{margin:22px 0 26px}
.expand-note{font-family:var(--mono);font-size:11.5px;letter-spacing:.03em;color:var(--ink-faint);margin:0 0 16px;display:inline-flex;align-items:center;gap:7px}
.expand-note b{color:var(--accent-ink);font-weight:700}
.shot-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.shot-row.three{grid-template-columns:1fr 1fr}
@media(max-width:640px){.shot-row,.shot-row.three{grid-template-columns:1fr}}
#lightbox{position:fixed;inset:0;z-index:200;background:color-mix(in srgb,var(--ink) 88%, black);
   display:none;align-items:center;justify-content:center;padding:24px;cursor:zoom-out;backdrop-filter:blur(3px)}
#lightbox.open{display:flex}
#lightbox img{max-width:96vw;max-height:92vh;width:auto;height:auto;border-radius:8px;box-shadow:0 30px 80px -20px rgba(0,0,0,.7);cursor:default}
#lightbox .lb-close{position:fixed;top:18px;right:22px;color:#fff;background:rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.3);
   width:40px;height:40px;border-radius:999px;font-size:20px;cursor:pointer;display:grid;place-items:center}
#lightbox .lb-cap{position:fixed;bottom:20px;left:0;right:0;text-align:center;color:#e9e2d4;font-family:var(--mono);font-size:12px;letter-spacing:.04em}

/* footer */
footer{border-top:1px solid var(--line);padding:clamp(40px,6vw,64px) 0 64px;margin-top:20px;background:var(--paper-2)}
.foot-name{font-family:var(--serif);font-size:clamp(28px,5vw,44px);font-weight:500;letter-spacing:-.02em;margin:0 0 6px}
.foot-sub{color:var(--ink-soft);margin:0 0 22px}
.foot-links{display:flex;flex-wrap:wrap;gap:22px;font-family:var(--mono);font-size:13px}
.foot-links a{color:var(--ink);text-decoration:none}
.foot-links a:hover{color:var(--accent-ink)}
.foot-fine{margin-top:40px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--ink-faint)}

/* reveal */
.fade{opacity:0;transform:translateY(14px)}
.fade.in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
@media(prefers-reduced-motion:reduce){.fade{opacity:1;transform:none}}

/* ===== home hero ===== */
header.hero{padding:clamp(48px,9vw,104px) 0 clamp(30px,5vw,52px)}
h1.name{font-family:var(--serif);font-weight:500;font-size:clamp(44px,9vw,90px);line-height:.98;letter-spacing:-.02em;margin:18px 0 0;text-wrap:balance}
.role-line{font-size:clamp(16px,2.2vw,20px);color:var(--ink);margin-top:20px;font-weight:600}
.disciplines{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--ink-soft);margin-top:8px;text-transform:uppercase}
.hero-intro{max-width:60ch;color:var(--ink-soft);font-size:clamp(15px,1.7vw,17.5px);margin-top:26px}
.contacts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.contacts a{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;
   text-decoration:none;color:var(--ink);border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 14px}
.contacts a:hover{border-color:var(--accent);color:var(--accent-ink)}
.contacts svg{width:14px;height:14px;fill:currentColor;opacity:.8}

/* about */
.about p{font-size:clamp(16px,2vw,19px);max-width:66ch;color:var(--ink);margin:0 0 18px;line-height:1.72}
.about p+p{color:var(--ink-soft)}

/* phases */
.phases{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.phase{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px 20px 18px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.phase h3{font-family:var(--serif);font-weight:500;font-size:20px;margin:0 0 4px;letter-spacing:-.01em}
.phase .p-desc{font-size:13px;color:var(--ink-soft);margin:2px 0 12px}
.phase ul{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.phase ul li{font-size:12.5px;color:var(--ink-soft);background:var(--paper-2);border-radius:6px;padding:4px 9px}
.tools{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.tools .tl{font-family:var(--mono);font-size:10.5px;letter-spacing:.03em;color:var(--accent-ink);background:var(--accent-tint);border-radius:999px;padding:3px 9px;font-weight:600}
.tools .tk{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-right:2px}

/* ===== work overview cards (home) ===== */
.group-label{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-faint);margin:34px 0 18px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.group-label:first-of-type{margin-top:4px}
.work-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:760px){.work-grid{grid-template-columns:1fr}}
.work-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:transform .2s,box-shadow .2s,border-color .2s}
.work-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 20px 44px -24px rgba(33,29,22,.5)}
.work-card .wc-img{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);border-bottom:1px solid var(--line-soft)}
.work-card .wc-img img{width:100%;height:100%;object-fit:cover;object-position:top}
.work-card .wc-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.work-card .wc-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}
.work-card .wc-role{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink);font-weight:600}
.work-card h3{font-family:var(--serif);font-weight:500;font-size:clamp(22px,3vw,28px);letter-spacing:-.015em;margin:0 0 6px}
.work-card p{font-size:14px;color:var(--ink-soft);margin:0 0 16px;line-height:1.6}
.work-card .wc-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center}
.work-card .wc-cta{font-family:var(--mono);font-size:12px;color:var(--accent-ink);font-weight:600}
.work-card .wc-stack{font-family:var(--mono);font-size:10.5px;color:var(--ink-faint)}

/* ===== case study detail pages ===== */
.cs-hero{padding:clamp(30px,6vw,60px) 0 8px}
.back{font-family:var(--mono);font-size:12px;color:var(--ink-soft);text-decoration:none;display:inline-flex;gap:6px;align-items:center;margin-bottom:22px}
.back:hover{color:var(--accent-ink)}
.cs-hero .cs-role{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);font-weight:600}
.cs-hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(38px,7vw,68px);line-height:1;letter-spacing:-.02em;margin:12px 0 0;text-wrap:balance}
.cs-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px}
.cs-meta a.case-link{font-family:var(--mono);font-size:12.5px;text-decoration:none;color:var(--accent-ink)}
.cs-meta a.case-link:hover{text-decoration:underline}
.cs-lead{max-width:66ch;color:var(--ink-soft);font-size:clamp(16px,2vw,18px);margin:22px 0 0;line-height:1.7}
.cs-lead-img{margin:30px 0}
.cs-body{max-width:none}
.cs-section{padding:clamp(30px,5vw,52px) 0;border-top:1px solid var(--line-soft)}
.cs-section:first-of-type{border-top:none}
.cs-h{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink);font-weight:600;margin:0 0 14px}
.cs-2col{display:grid;grid-template-columns:0.9fr 1.1fr;gap:38px;align-items:start}
@media(max-width:820px){.cs-2col{grid-template-columns:1fr;gap:24px}}
.cs-prose h3{font-family:var(--serif);font-weight:500;font-size:clamp(22px,3.4vw,30px);letter-spacing:-.015em;margin:0 0 14px;line-height:1.15}
.cs-prose p{font-size:15.5px;color:var(--ink-soft);line-height:1.72;margin:0 0 14px;max-width:64ch}
.cs-prose strong{color:var(--ink);font-weight:650}
.cs-list{list-style:none;margin:0;padding:0}
.cs-list li{position:relative;padding:8px 0 8px 22px;font-size:15px;color:var(--ink-soft);line-height:1.6;border-bottom:1px solid var(--line-soft)}
.cs-list li:last-child{border-bottom:none}
.cs-list li::before{content:"";position:absolute;left:0;top:16px;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.cs-list li b{color:var(--ink);font-weight:650}
.cs-callout{background:var(--accent-tint);border-radius:12px;padding:22px 24px;margin:8px 0}
.cs-callout .cs-h{color:var(--accent-ink)}
.cs-callout p{color:var(--ink);font-size:16px;margin:0;line-height:1.6;max-width:70ch}
.cs-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(440px,1fr));gap:18px;margin-top:8px}
@media(max-width:520px){.cs-gallery{grid-template-columns:1fr}}
.cs-nav{display:flex;justify-content:space-between;gap:16px;padding:36px 0;border-top:1px solid var(--line);flex-wrap:wrap}
.cs-nav a{font-family:var(--mono);font-size:13px;text-decoration:none;color:var(--ink)}
.cs-nav a:hover{color:var(--accent-ink)}
.cs-nav .nx{text-align:right}
.cs-nav small{display:block;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:3px}