/* Muhammad Toha Oyelakin portfolio: all styling.
   The block between the BEGIN/END markers is the approved design, copied unchanged.
   Design tokens are the custom properties on :root (light), in the prefers-color-scheme block (dark),
   and on [data-theme="dark"]. Site additions are at the end of the file. */

/* ===== BEGIN approved design (unchanged) ===== */
/* Layout: a single reading column laid out like a radiology report (Indication, Findings, Technique, Impression), with one film-blue accent and amber reserved for status. */
:root{
  --bg:#F4F7F9; --surface:#FFFFFF; --ink:#0F1F2A; --muted:#475A66; --line:#D3DCE2;
  --accent:#1B4F8A; --accent-ink:#FFFFFF; --amber-bg:#FBF0D9; --amber-ink:#74490A;
  --ok-bg:#E1EEF8; --ok-ink:#143F6E; --film:#0D1B24; --film-ink:#DCE7EE; --film-muted:#9DB2C0; --film-line:#263946; --film-accent:#8FC0EE;
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"Public Sans","Segoe UI",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0B151B; --surface:#111E26; --ink:#E4ECF1; --muted:#A3B5C1; --line:#25363F;
  --accent:#8FC0EE; --accent-ink:#0B151B; --amber-bg:#3A2C0E; --amber-ink:#F1CB7C;
  --ok-bg:#16303F; --ok-ink:#B9D9F3; --film:#060D11; --film-ink:#DCE7EE; --film-muted:#9DB2C0; --film-line:#22333D; --film-accent:#8FC0EE;
  color-scheme:dark } }
:root[data-theme="dark"]{
  --bg:#0B151B; --surface:#111E26; --ink:#E4ECF1; --muted:#A3B5C1; --line:#25363F;
  --accent:#8FC0EE; --accent-ink:#0B151B; --amber-bg:#3A2C0E; --amber-ink:#F1CB7C;
  --ok-bg:#16303F; --ok-ink:#B9D9F3; --film:#060D11; --film-ink:#DCE7EE; --film-muted:#9DB2C0; --film-line:#22333D; --film-accent:#8FC0EE;
  color-scheme:dark }

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.62}
a{color:var(--accent)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;letter-spacing:-0.02em}
p{margin:0}
.label{font-family:var(--mono);font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent)}

.top{border-bottom:1px solid var(--line)}
.top .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;padding-block:16px}
.name{font-family:var(--display);font-weight:700;font-size:18px;color:var(--ink);text-decoration:none}
.nav{display:flex;flex-wrap:wrap;gap:6px 22px;font-size:15px;font-weight:500}
.nav a{color:var(--ink);text-decoration:none;padding-block:10px}
.nav a:hover{color:var(--accent)}

.hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:56px;align-items:center;padding-block:72px 64px}
.hero h1{font-size:clamp(34px,4.6vw,56px);line-height:1.06;font-weight:700;margin-top:18px}
.hero .lead{font-size:19px;color:var(--muted);max-width:34rem;margin-top:22px}
.links{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;min-height:46px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15.5px;text-decoration:none}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.ghost{border:1.5px solid var(--ink);color:var(--ink)}

.report{background:var(--film);color:var(--film-ink);border-radius:18px;padding:26px 26px 22px;min-width:0}
.report header{display:flex;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--film-muted);padding-bottom:14px;border-bottom:1px solid var(--film-line)}
.report dl{margin:0;display:grid;gap:16px;padding-top:18px}
.report dt{font-family:var(--mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--film-accent);margin-bottom:4px}
.report dd{margin:0;font-size:15px;line-height:1.5}

section{padding-block:72px}
.band{background:var(--surface);border-block:1px solid var(--line)}
.head{display:grid;gap:10px;margin-bottom:36px;max-width:44rem}
.head h2{font-size:clamp(27px,3vw,38px);line-height:1.12}
.head p{color:var(--muted)}

.case{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px 56px}
.case h3{font-size:20px;margin-bottom:8px}
.case p{color:var(--muted);max-width:65ch}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin:0 0 40px;padding:24px 0;border-block:1px solid var(--line)}
.facts div{display:grid;gap:2px}
.facts b{font-family:var(--display);font-size:34px;font-weight:700;letter-spacing:-0.02em;font-variant-numeric:tabular-nums}
.facts span{font-size:14px;color:var(--muted)}
.steps{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;counter-reset:s}
.steps li{counter-increment:s;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;gap:6px;align-content:start;font-size:14px;color:var(--muted)}
.steps li::before{content:"0" counter(s);font-family:var(--mono);font-size:12px;color:var(--accent)}
.steps strong{color:var(--ink);font-size:15px}
.chip{display:inline-block;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;justify-self:start}
.chip.done{background:var(--ok-bg);color:var(--ok-ink)}
.chip.next{background:var(--amber-bg);color:var(--amber-ink)}
.status{margin-top:28px;font-size:15px;color:var(--muted)}

.rows{display:grid}
.row{display:grid;grid-template-columns:200px minmax(0,1fr);gap:8px 40px;padding:28px 0;border-top:1px solid var(--line)}
.row:last-child{border-bottom:1px solid var(--line)}
.row .meta{font-family:var(--mono);font-size:12.5px;color:var(--muted);display:grid;gap:4px;align-content:start;padding-top:5px}
.row h3{font-size:21px;margin-bottom:6px}
.row p{color:var(--muted);max-width:65ch}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding:0;list-style:none}
.tags li{font-family:var(--mono);font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:3px 8px}

.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}
.three div{border-top:2px solid var(--ink);padding-top:18px;display:grid;gap:8px;align-content:start}
.three h3{font-size:19px}
.three p{font-size:15.5px;color:var(--muted)}

.cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px 56px}
.cols h3{font-size:18px;margin-bottom:12px}
.plain{margin:0;padding:0;list-style:none;display:grid;gap:10px;color:var(--muted);font-size:15.5px}
.plain b{color:var(--ink);font-weight:600}

.contact{background:var(--film);color:var(--film-ink)}
.contact .wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:32px 56px;align-items:center;padding-block:72px}
.contact h2{font-size:clamp(28px,3.2vw,40px);line-height:1.1}
.contact p{color:var(--film-muted);margin-top:14px;max-width:34rem}
.contact .label{color:var(--film-accent)}
.contact ul{margin:0;padding:0;list-style:none;display:grid;gap:12px;font-size:16px}
.contact a{color:var(--film-ink);text-decoration-color:var(--film-accent);text-underline-offset:4px;overflow-wrap:anywhere}
footer .wrap{padding-block:26px;font-size:14px;color:var(--muted)}

@media (max-width:820px){
  .hero .wrap,.case,.cols,.contact .wrap{grid-template-columns:minmax(0,1fr)}
  .hero .wrap{gap:40px;padding-block:48px}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .three{grid-template-columns:minmax(0,1fr);gap:24px}
  .row{grid-template-columns:minmax(0,1fr);gap:6px}
  section{padding-block:52px}
}
/* ===== END approved design ===== */

/* ===== Site additions (not part of the approved fragment) ===== */

/* Native controls and scrollbars follow the active theme. */
html{color-scheme:light dark}
:root[data-theme="light"]{color-scheme:light}

/* Base reset. */
body{margin:0}
img{max-width:100%;height:auto}

/* Skip link: off screen until focused with the keyboard. */
.skip{position:absolute;left:12px;top:-100px;z-index:10;display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-weight:600;font-size:15px;text-decoration:none}
.skip:focus{top:12px}

/* Focus ring on the dark film band: the light-mode accent is too dark to see there. */
.contact a:focus-visible{outline-color:var(--film-accent)}

/* 44px tall hit area for short links, without changing the layout. */
.name,.contact li a,.status a{position:relative}
.name::after,.contact li a::after,.status a::after{content:"";position:absolute;left:0;right:0;top:50%;height:44px;transform:translateY(-50%)}

/* Hero portrait: 96px circle above the eyebrow line, 2px accent ring.
   The source is a square head-and-shoulders crop (288px, for sharp 2x and 3x screens). */
.portrait{display:block;width:96px;height:96px;margin-bottom:18px}
.portrait img{display:block;width:96px;height:96px;border-radius:50%;object-fit:cover;object-position:50% 20%;box-shadow:0 0 0 2px var(--accent)}