:root{
  --navy:#173a6e; --navy-deep:#0f2850; --navy-ink:#0a1c3a;
  --orange:#f26a1b; --orange-soft:#ff8a45;
  --paper:#f3efe6; --white:#fff; --muted:#a9b8d2; --line:rgba(255,255,255,.14);
  --f-name:"Barlow Condensed",system-ui,sans-serif;
  --f-wide:"Archivo",system-ui,sans-serif;
  --f-body:"Archivo",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--navy-ink)}
body{font-family:var(--f-body);color:var(--white);background:var(--navy-ink);-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- HERO ---------- */
.hero{position:relative;display:grid;grid-template-columns:.95fr minmax(300px,.8fr) 1.35fr;min-height:min(100vh,860px);background:var(--navy);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(120% 80% at 0% 0%,rgba(255,255,255,.07),transparent 55%),
  radial-gradient(90% 70% at 100% 100%,rgba(0,0,0,.28),transparent 60%);pointer-events:none}
.col-l{position:relative;z-index:3;min-width:0;padding:56px 0 48px 56px;display:flex;flex-direction:column}
.tag{font-family:var(--f-wide);font-weight:800;font-stretch:125%;text-transform:uppercase;font-size:15px;letter-spacing:.06em;line-height:1.15;color:var(--paper)}
.name{margin-top:auto;font-family:var(--f-name);font-weight:800;text-transform:uppercase;color:var(--paper);
  font-size:clamp(84px,10.2vw,168px);line-height:.86;letter-spacing:-.005em;white-space:nowrap;
  margin-right:-60%;text-shadow:0 2px 30px rgba(0,0,0,.25)}
.name .j{color:var(--orange)}
.name span{display:block}
.brand-badge{margin-top:auto;align-self:flex-start;display:inline-flex;align-items:center;gap:10px;background:#e9e9e6;color:#3c4048;
  padding:12px 18px;font-size:13px;letter-spacing:.32em;font-weight:500;transition:background .2s}
.brand-badge:hover{background:#fff}
.brand-badge .wave{display:inline-flex;gap:2px;align-items:center;height:14px}
.brand-badge .wave i{display:block;width:2px;background:var(--orange);border-radius:1px}
.photo{position:relative;z-index:1;background:#111 url(portrait.jpg) center 12%/cover no-repeat;background-image:image-set(url(portrait.webp) type("image/webp"),url(portrait.jpg) type("image/jpeg"));background-position:center 12%;filter:grayscale(1) contrast(1.08)}
.col-r{position:relative;z-index:2;min-width:0;padding:96px 56px 48px 56px;display:flex;flex-direction:column}
.lang{position:absolute;top:28px;right:56px;display:flex;gap:2px;font-size:12px;font-weight:700;letter-spacing:.12em}
.lang a{padding:6px 10px;border:1px solid var(--line);color:var(--muted)}
.lang a[aria-current]{background:var(--orange);border-color:var(--orange);color:#fff}
.lang a:hover:not([aria-current]){color:#fff;border-color:rgba(255,255,255,.4)}
.lead{margin-top:auto;font-size:clamp(26px,2.7vw,44px);line-height:1.18;font-weight:500;letter-spacing:-.01em;max-width:15em}
.lead em{font-style:normal;color:var(--orange)}
.talk{margin-top:auto;padding-top:48px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px 40px;align-items:end}
.talk h2{font-family:var(--f-wide);font-weight:800;font-size:clamp(26px,2.4vw,36px);line-height:1.02;text-transform:uppercase;letter-spacing:-.01em}
.talk p{font-size:clamp(17px,1.35vw,21px);line-height:1.35;margin-top:14px}
.talk .bio{max-width:24em;font-size:14.5px;line-height:1.45;color:#dfe6f2}
.cta-row{margin-top:40px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.main-link{font-size:clamp(22px,1.9vw,28px);font-weight:700;color:var(--orange);display:inline-flex;align-items:center;gap:10px;border-bottom:2px solid transparent;transition:border-color .2s}
.main-link:hover{border-color:var(--orange)}
.main-link svg{width:.8em;height:.8em;transition:transform .2s}
.main-link:hover svg{transform:translate(3px,-3px)}
.icons{display:flex;gap:14px;align-items:center}
.icons a{display:grid;place-items:center;width:34px;height:34px;color:#fff;opacity:.92;transition:opacity .2s,color .2s,transform .2s}
.icons a:hover{color:var(--orange);opacity:1;transform:translateY(-2px)}
.icons svg{width:26px;height:26px;fill:currentColor}

/* Desktop: górna krawędź „ARTUR” w jednej linii z górną krawędzią „Wykładowca…” (wspólny odstęp od góry,
   text-box przycina interlinię do wysokości wersalików, więc wyrównanie nie zależy od metryk fontów). */
@media (min-width:1101px){
  .hero{--top-line:clamp(180px,30vh,270px)}
  .col-l{padding-top:0}
  .col-r{padding-top:0}
  .tag{position:absolute;top:56px;left:56px}
  .name,.lead{margin-top:var(--top-line);text-box:trim-start cap alphabetic}
}

/* ---------- PROJECTS STRIP ---------- */
.projects{background:var(--navy-deep);border-top:3px solid var(--orange);padding:44px 56px}
.projects-in{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:start}
.eyebrow{font-family:var(--f-wide);font-stretch:125%;font-weight:800;text-transform:uppercase;font-size:12px;letter-spacing:.14em;color:var(--orange)}
.projects h2{font-size:22px;font-weight:600;margin-top:8px;line-height:1.2}
.plist{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:1px 0 0 1px}
.plist a{border:1px solid var(--line);margin:-1px 0 0 -1px;padding:18px 20px;display:flex;flex-direction:column;gap:4px;transition:background .2s}
.plist a:hover{background:rgba(255,255,255,.05)}
.plist b{font-size:16px;font-weight:700}
.plist span{font-size:13px;color:var(--muted);line-height:1.35}
.plist a:hover b{color:var(--orange-soft)}

.hubs{background:#0c2246;border-top:1px solid var(--line);padding-top:36px}
.hub-note{font-size:13px;color:var(--muted);margin-top:6px}
.hlist{grid-template-columns:repeat(4,1fr)}
.hlist a{padding:14px 18px}
.hlist b{font-size:15px}

.pgroups{display:grid;gap:22px}
.glabel{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}

/* ---------- FOOTER ---------- */
footer{background:var(--navy-ink);position:relative;padding:64px 56px 36px;overflow:hidden}
footer::before{content:"";position:absolute;right:-60px;top:-40px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(242,106,27,.18);box-shadow:0 0 0 60px rgba(242,106,27,.025),0 0 0 120px rgba(242,106,27,.02);pointer-events:none}
.foot{position:relative;max-width:1400px;margin:0 auto;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:48px}
.foot h3{font-family:var(--f-name);font-weight:800;font-size:34px;letter-spacing:.01em;text-transform:uppercase;line-height:1}
.foot h3 .j{color:var(--orange)}
.foot h4{font-family:var(--f-wide);font-stretch:125%;font-weight:800;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:16px}
.org{margin-top:22px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:14px}
.addr{color:var(--muted);font-size:14.5px;margin-top:2px}
.contact{list-style:none;margin-top:22px;display:grid;gap:8px;font-size:15px}
.contact li{display:flex;gap:10px;align-items:baseline}
.contact .k{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.1em;min-width:72px}
.contact a{border-bottom:1px solid rgba(255,255,255,.2);transition:border-color .2s,color .2s}
.contact a:hover{color:var(--orange-soft);border-color:var(--orange)}
.plinks{list-style:none;display:grid;gap:10px}
.plinks a{display:inline-flex;align-items:center;gap:12px;font-size:15px;transition:color .2s}
.plinks a:hover{color:var(--orange-soft)}
.plinks svg{width:18px;height:18px;fill:currentColor;opacity:.75;flex:none}
.plinks a[data-pending]{opacity:.45;pointer-events:none}
.fbar{position:relative;max-width:1400px;margin:52px auto 0;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:13px;color:var(--muted);line-height:1.6}
.fbar a{color:#dfe6f2;border-bottom:1px solid rgba(255,255,255,.18)}
.fbar a:hover{color:var(--orange-soft);border-color:var(--orange)}
.fbar .ts{display:inline-flex;align-items:center;gap:8px;letter-spacing:.24em;font-size:11px;text-transform:uppercase;border:none;color:#dfe6f2}
.fbar .ts:hover{color:#fff}
.fbar .ts-logo{margin:0!important}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1100px){
  .hero{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}
  .col-l{grid-column:1;grid-row:1;padding:40px 0 32px 32px;min-height:560px}
  .photo{grid-column:2;grid-row:1}
  .name{margin-right:-60%}
  .col-r{grid-column:1/-1;grid-row:2;padding:48px 32px 40px;background:var(--navy)}
  .lang{top:-520px;right:24px}
  .projects,footer{padding-left:32px;padding-right:32px}
  .projects-in{grid-template-columns:1fr}
  .plist,.hlist{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1fr 1fr}
  .foot>div:first-child{grid-column:1/-1}
}
@media (max-width:640px){
  .hero{grid-template-columns:1fr;grid-template-rows:auto}
  .col-l{grid-column:1;grid-row:1;min-height:0;padding:24px 16px 0;z-index:3}
  .photo{grid-column:1;grid-row:2;height:115vw;max-height:560px;margin-top:-64px}
  .name{font-size:clamp(52px,17.5vw,92px);margin:56px 0 0;white-space:nowrap}
  .brand-badge{position:absolute;left:16px;bottom:-0px;transform:translateY(calc(115vw - 64px - 20px));display:none}
  .col-r{grid-row:3;padding:32px 16px}
  .lang{position:fixed;top:12px;right:12px;z-index:10;background:rgba(10,28,58,.75);backdrop-filter:blur(6px)}
  .tag{font-size:12px}
  .talk{grid-template-columns:1fr}
  .plist{grid-template-columns:1fr}
  .hlist{grid-template-columns:1fr 1fr}
  .hlist span{display:none}
  .projects,footer{padding:36px 16px}
  .foot{grid-template-columns:1fr;gap:36px}
  .fbar{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---------- WSPÓLNE: skip link, RSS (wstawiany przez common/feeds.py), strona RSS ---------- */
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:12px;top:12px;z-index:20;background:#fff;color:var(--navy-ink);padding:8px 12px}
.ts-rss{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#dfe6f2;letter-spacing:.06em}
.ts-rss:hover{color:var(--orange-soft)}
footer>p:last-child{position:relative;max-width:1400px;margin:14px auto 0!important}