/* Reset */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }
html { scroll-behavior: smooth; }

img { max-width: 100%; display: block; }

:root{
  --bg:#050711;
  --panel:#0a0c16;
  --panel2:#05060c;
  --accent:#5cf2ff;
  --accent-soft: rgba(92,242,255,.14);
  --fire: rgba(255,150,90,.95);
  --text:#f5f7ff;
  --muted:#9298c4;
  --border: rgba(255,255,255,.08);
  --border2: rgba(255,255,255,.18);
  --radius-xl: 22px;
  --radius-lg: 14px;
  --shadow: 0 28px 80px rgba(0,0,0,.9);
}

body{
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(110,130,180,.36) 0, transparent 55%),
    radial-gradient(circle at 85% 0%, rgba(120,130,190,.28) 0, transparent 55%),
    radial-gradient(circle at 20% 100%, rgba(255,110,60,.35) 0, transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(255,150,90,.35) 0, transparent 60%),
    linear-gradient(180deg, #050608 0, #050507 100%);
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.app-shell{
  position: relative;
  min-height: 100vh;
  max-width: 1340px;
  margin: 24px auto 32px;
  padding: 24px 20px 44px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top, rgba(92,242,255,.09), transparent 55%),
    radial-gradient(circle at bottom right, rgba(255,140,80,.25), transparent 60%),
    linear-gradient(160deg, var(--panel) 0, var(--panel2) 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.site-header{
  position: sticky;
  top: 16px;
  z-index: 20;

  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 18px;

  padding: 14px 22px;
  margin-bottom: 32px;

  background: rgba(6,9,24,.96);
  border-radius: 999px;
  border: 1px solid var(--border);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 40px rgba(0,0,0,.85);
}

.site-logo{
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 1rem;
  color: var(--accent);
}

.site-nav{
  display:flex;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a{
  position: relative;
  text-decoration: none;
  color: var(--muted);
  padding: 4px 0;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
}

.site-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-4px;
  width:100%;
  height:2px;
  border-radius:999px;
  background: linear-gradient(90deg, var(--accent), rgba(255,150,90,.55));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .18s ease;
}

.site-nav a:hover{ color: var(--accent); }
.site-nav a:hover::after{ transform: scaleX(1); }

.hero, .section, .detail { scroll-margin-top: 110px; }

.hero{ padding: 32px 4px 18px; }

.hero-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 32px;
  flex-wrap: wrap;

  max-width: 1100px;
  margin: 0 auto;
}

.hero-photo-panel{
  flex: 0 0 360px;
  max-width: 420px;
  padding: 18px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(92,242,255,.12), rgba(5,8,26,.96));
  border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(0,0,0,.8);
}

.hero-photo-frame{
  position: relative;
  width: 100%;
  padding-top: calc(4 / 3 * 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border2);
  background: #02030a;
}

.hero-photo-frame img{
  position: absolute;
  top: 50%;
  left: 50%;

  height: 100%;
  width: auto;

  max-width: none;        /* <-- klucz: pozwala wyjść poza ramkę i się przyciąć */
  transform: translate(-50%, -50%);
}



.hero-text{ flex: 1 1 320px; max-width: 640px; }

.hero-kicker{
  font-size: .82rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.hero h1{
  font-size: clamp(2.4rem, 4.5vw, 3rem);
  line-height: 1.05;
  margin-bottom: 12px;
}

.hero-subtitle{
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.65;
  max-width: 40rem;
}

.section{ padding: 70px 4px; }

.section-inner{
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

.section h2{
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.muted{ color: var(--muted); }

/* ===== Education ===== */

.edu-root { display: grid; gap: 18px; margin-top: 10px; }

.edu-block{
  padding: 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: rgba(6, 9, 24, 0.62);
  backdrop-filter: blur(14px);
}

.edu-block-title{
  font-size: .95rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 12px;
}

.edu-list{
  display: grid;
  gap: 12px;
}

.edu-card{
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(3, 6, 20, 0.55);
}

.edu-top{
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

.edu-name{ font-weight: 700; }
.edu-sub{ color: var(--muted); }

.edu-meta{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.meta-chip{
  font-size: 0.78rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(3, 6, 20, 0.55);
  color: var(--muted);
}

.edu-bullets{
  margin-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.edu-bullets li{ margin: 6px 0; }

/* ===== Read more (details) ===== */

.readmore{
  margin-top: 10px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 12px;
  background: rgba(6,9,24,.35);
  padding: 10px 12px;
}

.readmore summary{
  cursor: pointer;
  color: var(--accent);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .78rem;
  list-style: none;
}

.readmore summary::-webkit-details-marker { display: none; }

.readmore-body{
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== Cards ===== */

.cards-grid{
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card{
  padding: 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: rgba(6, 9, 24, 0.62);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
}

.card-link{
  display: block;
  color: inherit;
  text-decoration: none;
  transition: transform .14s ease, border-color .14s ease, box-shadow .14s ease;
}

.card-link:hover{
  transform: translateY(-2px);
  border-color: rgba(92,242,255,.25);
  box-shadow: 0 22px 60px rgba(0,0,0,.65);
}

.card-head{
  display: grid;
  grid-template-columns: 1fr 92px;
  gap: 14px;
  align-items: start;
  margin-bottom: 10px;
}

.card-title{ font-size: 1.05rem; margin-bottom: 6px; }
.card-subtitle{ color: var(--muted); line-height: 1.5; }

.card-meta{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.card-thumb{
  width: 92px;
  height: 92px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  overflow: hidden;
  background: rgba(3,6,20,.55);
  display: grid;
  place-items: center;
}

.thumb-img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-ph{
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 30%, rgba(92,242,255,.12), transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(255,150,90,.10), transparent 60%),
    rgba(3,6,20,.55);
}

.card-summary{
  color: var(--text);
  line-height: 1.65;
  margin: 10px 0 10px;
}

.card-outcome{
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.card-tags{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag{
  font-size: 0.78rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(3, 6, 20, 0.55);
  color: var(--muted);
}

/* ===== Operating System ===== */

#system .system-head{ margin-bottom: 18px; }

#system .system-grid{
  display:grid;
  grid-template-columns: 1fr 420px 1fr;
  gap: 22px;
  align-items: start;
}

#system .list-col{
  padding: 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: rgba(6,9,24,.55);
  backdrop-filter: blur(14px);
}

#system .list-title{
  font-size: .95rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: var(--text);
}

#system .pill-list{
  list-style:none;
  padding-left: 0;
  margin: 0;
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}

#system .pill{
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(3,6,20,.55);
  color: var(--muted);
  font-size: .86rem;
}

#system .system-card{
  padding: 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: rgba(6,9,24,.72);
  backdrop-filter: blur(14px);
}

#system .donut-wrap{ display:grid; gap: 14px; }

#system .donut{
  --p: 50%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  margin: 0 auto;

  background: conic-gradient(
    var(--accent) 0 var(--p),
    var(--fire) var(--p) 100%
  );

  -webkit-mask: radial-gradient(circle, transparent 58%, #000 59%);
  mask: radial-gradient(circle, transparent 58%, #000 59%);

  border: 1px solid var(--border2);
  box-shadow: 0 18px 50px rgba(0,0,0,.65);
}

#system .donut-stats{ display:grid; gap: 10px; }

#system .stat{
  display:grid;
  grid-template-columns: 14px 1fr auto;
  gap: 10px;
  align-items:center;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(3,6,20,.5);
}

#system .dot{ width:10px; height:10px; border-radius:50%; }
#system .dot-eng{ background: var(--accent); }
#system .dot-cre{ background: var(--fire); }

#system .stat .label{
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .72rem;
}

#system .stat .value{ font-weight: 700; color: var(--text); }

.os-principles{ margin-top: 16px; }
.os-title{
  font-size: .9rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--text);
}

.os-list{
  margin-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.more-block{ margin-top: 12px; }
.more-h{
  font-weight: 700;
  margin-bottom: 6px;
}

.more-p{ color: var(--muted); line-height: 1.7; }

.more-ul{
  margin-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.more-ul li{ margin: 6px 0; }

/* ===== Contact ===== */

.contact-links{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.contact-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(3,6,20,.55);
  color: var(--muted);
}

.contact-pill:hover{
  border-color: rgba(92,242,255,.25);
  color: var(--accent);
}

/* ===== Detail page ===== */

.detail-inner{
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 26px 4px 10px;
}

.back-pill{
  display:inline-flex;
  text-decoration:none;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(3,6,20,.55);
  color: var(--muted);
  margin-bottom: 16px;
}

.back-pill:hover{
  border-color: rgba(92,242,255,.25);
  color: var(--accent);
}

.detail-title{
  font-size: clamp(2rem, 3.6vw, 2.6rem);
  line-height: 1.1;
  margin-bottom: 10px;
}

.detail-subtitle{
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.detail-meta{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.meta-type{
  border-color: rgba(92,242,255,.25);
  color: var(--accent);
}

.detail-hero{
  margin: 18px 0 18px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(3,6,20,.55);
}

.detail-hero-img{
  width: 100%;
  height: auto;
  display: block;
}

.detail-text{
  color: var(--muted);
  line-height: 1.75;
  margin: 12px 0;
}

.detail-outcome{
  color: var(--text);
  line-height: 1.7;
  margin: 10px 0 14px;
}

.detail-tags{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 18px;
}

.detail-section{
  margin-top: 22px;
  padding: 18px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(6,9,24,.55);
  backdrop-filter: blur(14px);
}

.detail-h2{
  font-size: 1.05rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.detail-ul{
  margin-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.detail-ul li{ margin: 6px 0; }

.detail-links{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}

.link-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(3,6,20,.55);
  color: var(--muted);
}

.link-pill:hover{
  border-color: rgba(92,242,255,.25);
  color: var(--accent);
}

/* Responsive */
@media (max-width: 1000px){
  #system .system-grid{ grid-template-columns: 1fr; }
  .cards-grid{ grid-template-columns: 1fr; }
  .card-head{ grid-template-columns: 1fr; }
  .card-thumb{ width: 100%; height: 140px; }
}
@media (max-width: 600px){
  .hero-inner{ flex-direction: column; align-items: center; }
  .hero-photo-panel{ flex: none; max-width: 100%; }
  .hero-text{ text-align: center; }
}