/* ProofMatcher Analytics Portfolio — Orange Brutalist theme */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Space+Mono:wght@400;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root{
  --bg:#080808;
  --bg-soft:#0d0d0d;
  --card:#0a0a0a;
  --card-2:#111111;
  --ink:#ededed;
  --muted:#a3a3a3;
  --muted-2:#6b6b6b;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  /* accent kept under legacy var names so existing markup recolours automatically */
  --accent:#ff5a00;
  --accent-2:#ff7224;
  --amber:#ff5a00;
  --amber-soft:#ff9a5c;
  --amber-deep:#ff5a00;
  --gold:#ffb000;
  --blue:#ffb000;
  --purple:#ff8a3d;
  --teal:#ffb000;
  --green:#f59e0b;
  --red:#9a3412;
  --display:'Space Grotesk',sans-serif;
  --mono:'Space Mono',ui-monospace,monospace;
  --radius:14px;
  --maxw:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--accent);color:#fff}
a{color:inherit;text-decoration:none}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:#0a0a0a}
::-webkit-scrollbar-thumb{background:#2a2a2a;border-radius:0}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}

/* dot matrix utility (pure CSS) */
@keyframes dotscroll{to{background-position:22px 22px}}
.black-dot-matrix{background-image:radial-gradient(rgba(0,0,0,.85) 1.5px,transparent 1.5px);background-size:11px 11px;animation:dotscroll 4s linear infinite}
.white-dot-matrix{background-image:radial-gradient(rgba(255,255,255,.8) 1.5px,transparent 1.5px);background-size:11px 11px;animation:dotscroll 6s linear infinite,wdmpulse 3s ease-in-out infinite}
@keyframes wdmpulse{0%,100%{opacity:.8}50%{opacity:.3}}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(8,8,8,.82);backdrop-filter:blur(12px)}
.nav::after{content:"";position:absolute;bottom:0;left:0;width:100%;height:1px;background:linear-gradient(to right,transparent,rgba(255,90,0,.85),transparent);box-shadow:0 0 12px rgba(255,90,0,.6)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:500;letter-spacing:.04em;text-transform:uppercase;font-size:17px;color:#fff}
.brand .dot{width:30px;height:30px;border-radius:0;background:var(--accent);display:grid;place-items:center;color:#fff;font-size:12px;font-weight:700;font-family:var(--mono);box-shadow:0 0 14px rgba(255,90,0,.5)}
.nav nav{display:flex;gap:30px;align-items:center}
.nav nav a{color:var(--muted);font-family:var(--mono);font-size:13px;letter-spacing:.02em}
.nav nav a:hover{color:#fff}
.nav .btn{color:#000;font-family:var(--mono);font-weight:700}
.nav .btn:hover{color:#000}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#000;padding:11px 20px;border-radius:999px;font-weight:600;font-size:14px;border:0;cursor:pointer;transition:all .25s;box-shadow:0 0 18px rgba(255,90,0,.55)}
.btn:hover{background:var(--accent-2);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:#fff;border:1px solid var(--line-2);box-shadow:none;border-radius:0}
.btn.ghost:hover{background:rgba(255,255,255,.05);border-color:var(--accent)}
@media(max-width:760px){.nav nav{display:none}}

/* ---------- Brutalist hero (home) ---------- */
.brutal-hero{padding:30px 24px 6px;max-width:var(--maxw);margin:0 auto}
.brutal-block{position:relative;background:var(--accent);overflow:hidden;min-height:68vh;display:flex;flex-direction:column;padding:34px;box-shadow:0 30px 80px -30px rgba(255,90,0,.45)}
.brutal-block .black-dot-matrix{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.28}
.brutal-block .wdm{position:absolute;z-index:2;pointer-events:none}
.wdm-a{top:24px;right:24px;width:80px;height:150px}
.wdm-b{top:34%;right:40px;width:360px;height:46px}
.wdm-c{bottom:120px;left:40px;width:280px;height:34px}
.brutal-titlewrap{position:relative;z-index:3;width:fit-content;margin-top:26px}
.brutal-titlebox{border:1.5px solid #000;padding:18px 70px 18px 26px;display:inline-block;animation:hblur .9s ease-out both}
@keyframes hblur{from{filter:blur(12px);opacity:0;transform:scale(.96)}to{filter:blur(0);opacity:1;transform:none}}
.brutal-title{font-family:var(--display);font-weight:500;color:#fff;letter-spacing:-.03em;line-height:.84;margin:0;font-size:clamp(44px,8vw,7rem)}
.brutal-aka{font-family:var(--mono);color:#000;font-size:clamp(12px,1.5vw,17px);letter-spacing:.02em;margin:16px 0 0;position:relative;z-index:3;font-weight:700}
.brutal-aka b{color:#fff}
.brutal-foot{position:relative;z-index:3;display:flex;flex-direction:column;gap:18px;margin-top:auto;padding-top:40px}
@media(min-width:640px){.brutal-foot{flex-direction:row;align-items:flex-end;justify-content:space-between}}
.brutal-desc{font-family:var(--mono);font-size:clamp(11px,1.4vw,14px);color:#fff;font-weight:700;text-transform:uppercase;letter-spacing:.06em;line-height:1.6;max-width:640px;margin:0;animation:hfade 1s .2s ease-out both}
.brutal-cta{display:inline-flex;align-items:center;gap:9px;background:#000;color:#fff;font-family:var(--mono);font-size:13px;text-transform:uppercase;letter-spacing:.05em;padding:13px 22px;animation:hfade 1s .4s ease-out both}
.brutal-cta:hover{background:#1a1a1a}
@keyframes hfade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.brutal-pill{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:#fff;border:1.5px solid #fff;padding:7px 14px;text-transform:uppercase;letter-spacing:.05em;position:relative;z-index:3;align-self:flex-start}
.brutal-pill .live{width:8px;height:8px;border-radius:999px;background:#fff;animation:wdmpulse 1.4s infinite}

/* ---------- Sections ---------- */
section{padding:80px 0}
.section-head{max-width:680px;margin-bottom:44px}
.section-head .kicker{color:var(--accent);font-family:var(--mono);font-weight:700;font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.section-head h2{font-family:var(--display);font-weight:500;font-size:clamp(28px,3.6vw,42px);letter-spacing:-.02em;margin:14px 0 12px;color:#fff}
.section-head p{color:var(--muted);margin:0;font-size:16px}

/* ---------- Project grid ---------- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:820px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:border-color .25s, background .25s, transform .2s;position:relative}
.card:hover{border-color:rgba(255,90,0,.5);background:var(--card-2);transform:translateY(-3px)}
.card .top{padding:26px 26px 0}
.card .num{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.1em}
.card h3{font-family:var(--display);font-weight:500;font-size:21px;margin:10px 0 9px;letter-spacing:-.01em;color:#fff;transition:color .2s}
.card:hover h3{color:var(--accent)}
.card p{color:var(--muted);margin:0 0 18px;font-size:14.5px}
.card .spark{height:118px;padding:0 14px}
.card .meta{display:flex;align-items:center;justify-content:space-between;padding:16px 26px;border-top:1px solid var(--line);margin-top:auto}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-family:var(--mono);font-size:11px;color:var(--muted);background:transparent;border:1px solid var(--line-2);padding:4px 9px;border-radius:0;text-transform:uppercase;letter-spacing:.03em}
.arrow{color:var(--accent);font-family:var(--mono);font-weight:700;font-size:13px;display:inline-flex;gap:6px;align-items:center;text-transform:uppercase}

/* ---------- Skills / about ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
@media(max-width:820px){.split{grid-template-columns:1fr}}
.skill-group{margin-bottom:20px}
.skill-group h4{font-family:var(--mono);margin:0 0 12px;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{background:var(--card);border:1px solid var(--line-2);padding:9px 14px;border-radius:0;font-size:13px;font-family:var(--mono);color:#d4d4d4}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.panel h3{font-family:var(--display);font-weight:500;margin:0 0 8px;color:#fff}
.panel .row{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
.panel .row:last-child{border-bottom:0}
.panel .row span{color:var(--muted);font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.panel .row b{color:#fff;font-weight:600}
.note{font-family:var(--mono);font-size:12px;line-height:1.7;color:var(--muted);background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0;padding:14px 16px;display:flex;gap:10px;align-items:flex-start}

/* ---------- Case study page ---------- */
.case-hero{position:relative;background:var(--bg-soft);border-bottom:1px solid var(--line);padding:60px 0 46px;overflow:hidden}
.case-hero::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--accent);box-shadow:0 0 24px rgba(255,90,0,.5)}
.case-hero .back{color:var(--accent);font-family:var(--mono);font-size:13px;text-transform:uppercase;letter-spacing:.05em;display:inline-flex;gap:7px;align-items:center;margin-bottom:24px}
.case-hero .back:hover{color:#fff}
.case-hero h1{font-family:var(--display);font-weight:500;font-size:clamp(30px,4.4vw,52px);letter-spacing:-.02em;margin:0 0 16px;max-width:880px;color:#fff;line-height:1.02}
.case-hero p{color:var(--muted);max-width:740px;font-size:17px;margin:0}
.case-tags{margin-top:24px;display:flex;gap:8px;flex-wrap:wrap}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:-46px 0 0;position:relative;z-index:2}
@media(max-width:820px){.kpis{grid-template-columns:repeat(2,1fr)}}
.kpi{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:0;padding:22px 20px}
.kpi b{font-family:var(--display);display:block;font-size:31px;font-weight:600;letter-spacing:-.02em;color:#fff}
.kpi span{color:var(--muted);font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.04em;display:block;margin-top:4px}
.kpi .delta{font-family:var(--mono);font-size:11px;font-weight:700;margin-top:8px;display:inline-block;color:var(--accent)}
.delta.up{color:#f59e0b}.delta.down{color:#ef6a4a}

.charts{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:14px}
@media(max-width:820px){.charts{grid-template-columns:1fr}}
.chart-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.chart-card.full{grid-column:1 / -1}
.chart-card h4{font-family:var(--display);font-weight:500;margin:0 0 4px;font-size:17px;color:#fff}
.chart-card .sub{color:var(--muted);font-size:13px;margin:0 0 16px;font-family:var(--mono)}
.chart-box{position:relative;height:280px}

.prose{max-width:760px}
.prose h3{font-family:var(--display);font-weight:500;font-size:22px;letter-spacing:-.01em;margin:38px 0 12px;color:#fff}
.prose p{color:#bdbdbd;margin:0 0 14px}
.prose ul{color:#bdbdbd;padding-left:20px;margin:0 0 14px}
.prose li{margin-bottom:8px}
.prose b{color:#fff}
.callout{background:rgba(255,90,0,.08);border:1px solid rgba(255,90,0,.3);border-left:4px solid var(--accent);border-radius:0;padding:18px 20px;margin:24px 0;color:#f0d9c8}
.callout b{color:var(--accent)}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:54px 0 44px;margin-top:48px;background:#000}
footer .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
footer a{color:#fff}
footer .muted{color:var(--muted);font-family:var(--mono);font-size:13px}
.contact-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:8px;font-family:var(--mono);font-size:13px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}