:root {
  --bg: #0b1220;
  --bg2: #111827;
  --card: rgba(255,255,255,.08);
  --card2: rgba(255,255,255,.12);
  --text: #eef4ff;
  --muted: #aab8cf;
  --line: rgba(255,255,255,.16);
  --accent: #38bdf8;
  --accent2: #f59e0b;
  --green: #34d399;
  --shadow: 0 24px 70px rgba(0,0,0,.36);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 0%, #153255 0%, transparent 32%),
              radial-gradient(circle at 90% 8%, #3b214d 0%, transparent 28%),
              linear-gradient(135deg, #07111f 0%, #0b1220 45%, #111827 100%);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.hero, main, footer {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 900;
  letter-spacing: -.03em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: var(--shadow);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover { color: var(--text); }

.lang-switch {
  display: flex;
  gap: 6px;
  border: 1px solid var(--line);
  padding: 5px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
}

.lang-btn {
  border: 0;
  color: var(--muted);
  background: transparent;
  border-radius: 999px;
  padding: 8px 11px;
  cursor: pointer;
  font-weight: 800;
}

.lang-btn.active {
  color: #08111f;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}

.hero-grid {
  min-height: 560px;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: .18em;
  font-size: 12px;
}

h1 {
  font-size: clamp(44px, 7vw, 82px);
  line-height: .9;
  letter-spacing: -.07em;
  margin: 10px 0 18px;
}

h2 {
  font-size: clamp(24px, 3.5vw, 42px);
  line-height: 1.05;
  letter-spacing: -.04em;
  margin: 0;
}

.hero-subtitle {
  color: var(--muted);
  font-size: 18px;
  margin: 20px 0;
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
}

.contact-row a {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(10px);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tags span {
  font-size: 13px;
  color: #c9d7ec;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  padding: 8px 12px;
  border-radius: 999px;
}

.focus-card {
  padding: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.13), rgba(255,255,255,.05));
  border-radius: 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.focus-card h3 {
  margin: 0 0 18px;
  font-size: 24px;
  letter-spacing: -.04em;
}

.focus-item {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.focus-item strong {
  display: block;
  color: #fff;
  margin-bottom: 6px;
  font-size: 17px;
}

.focus-item span {
  color: var(--muted);
  line-height: 1.45;
}

.section {
  padding: 72px 0;
}

.section-title {
  margin-bottom: 26px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 30px;
  align-items: end;
}

.section-title p {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: .18em;
  font-weight: 800;
}

.section-title h2 {
  max-width: 820px;
}

.glass-card,
.skill-card,
.case-card,
.timeline-card,
.web-card,
.language-row div {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 28px;
  box-shadow: 0 18px 50px rgba(0,0,0,.2);
  backdrop-filter: blur(14px);
}

.glass-card {
  padding: 30px;
  color: #d9e5f7;
  font-size: 17px;
  line-height: 1.7;
}

.case-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.case-card {
  padding: 26px;
}

.case-card.main-case {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(56,189,248,.18), rgba(245,158,11,.13));
}

.case-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 800;
}

.case-head small {
  color: var(--muted);
  font-weight: 700;
}

.case-card h3,
.skill-card h3,
.timeline-card h3 {
  margin: 0 0 14px;
  font-size: 21px;
  letter-spacing: -.03em;
}

.case-card p,
.timeline-card p {
  color: var(--muted);
  line-height: 1.65;
}

.case-card ul {
  color: #d9e5f7;
  line-height: 1.7;
  padding-left: 18px;
}

.tech-wall {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.tech-badge {
  min-height: 104px;
  border-radius: 24px;
  padding: 20px;
  display: grid;
  align-content: center;
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -.04em;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px rgba(0,0,0,.16);
}

.tech-badge small {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.panasonic { background: linear-gradient(135deg, rgba(0,95,170,.55), rgba(255,255,255,.06)); }
.delta { background: linear-gradient(135deg, rgba(80,170,80,.5), rgba(255,255,255,.06)); }
.weintek { background: linear-gradient(135deg, rgba(245,158,11,.55), rgba(255,255,255,.06)); }
.abb { background: linear-gradient(135deg, rgba(220,38,38,.5), rgba(255,255,255,.06)); }
.lenze { background: linear-gradient(135deg, rgba(30,64,175,.55), rgba(255,255,255,.06)); }
.arduino { background: linear-gradient(135deg, rgba(20,184,166,.55), rgba(255,255,255,.06)); }
.esp { background: linear-gradient(135deg, rgba(168,85,247,.55), rgba(255,255,255,.06)); }
.ubiquiti { background: linear-gradient(135deg, rgba(56,189,248,.55), rgba(255,255,255,.06)); }
.prusa { background: linear-gradient(135deg, rgba(249,115,22,.55), rgba(255,255,255,.06)); }
.tormach { background: linear-gradient(135deg, rgba(148,163,184,.55), rgba(255,255,255,.06)); }

.skill-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.skill-card {
  padding: 24px;
}

.skill-card ul {
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 104px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  position: relative;
}

.time {
  color: var(--accent2);
  font-weight: 900;
  padding-top: 24px;
}

.timeline-card {
  padding: 24px;
}

.web-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.web-card {
  padding: 22px;
  min-height: 160px;
  transition: .2s ease;
}

.web-card:hover {
  transform: translateY(-4px);
  background: var(--card2);
}

.web-card span {
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.web-card strong {
  display: block;
  margin: 18px 0 8px;
  font-size: 18px;
}

.web-card small {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.language-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.language-row div {
  padding: 22px;
}

.language-row strong {
  display: block;
  font-size: 20px;
}

.language-row span {
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 28px 0 44px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

@media (max-width: 980px) {
  .hero-grid,
  .section-title {
    grid-template-columns: 1fr;
  }

  .tech-wall,
  .skill-grid,
  .web-grid,
  .language-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-list {
    grid-template-columns: 1fr;
  }

  .case-card.main-case {
    grid-column: span 1;
  }

  .nav-links { display: none; }
}

@media (max-width: 640px) {
  .hero, main, footer {
    width: min(100% - 20px, 1160px);
  }

  .hero-grid { min-height: auto; padding: 34px 0; }

  .tech-wall,
  .skill-grid,
  .web-grid,
  .language-row {
    grid-template-columns: 1fr;
  }

  .timeline::before { display: none; }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .time { padding-top: 0; }

  footer {
    flex-direction: column;
  }
}

@media print {
  body {
    background: white;
    color: #111;
  }
  .page-bg, .topbar { display: none; }
  .glass-card, .skill-card, .case-card, .timeline-card, .web-card, .language-row div, .focus-card {
    background: white;
    color: #111;
    box-shadow: none;
    border-color: #ccc;
  }
  .hero, main, footer {
    width: 100%;
  }
  .section { padding: 26px 0; }
  .hero-grid { min-height: auto; }
  a, .hero-subtitle, .case-card p, .timeline-card p, .skill-card ul, .web-card small, .language-row span, .focus-item span {
    color: #333;
  }
}


.cv-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 24px;
}

.cv-download {
  min-width: 185px;
  padding: 13px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.08);
  display: grid;
  gap: 3px;
  transition: .2s ease;
}

.cv-download:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,.13);
}

.cv-download span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 800;
}

.cv-download strong {
  color: var(--text);
  font-size: 15px;
}

.cv-ua {
  border-left: 4px solid var(--accent);
}

.cv-pl {
  border-left: 4px solid var(--accent2);
}


.cv-downloads{
  margin:14px 0 8px !important;
  gap:16px !important;
}

.cv-download{
  min-width:240px !important;
  padding:18px 22px !important;
  border-radius:20px !important;
  border:2px solid rgba(255,255,255,.15) !important;
  background:linear-gradient(135deg, rgba(255,255,255,.14), rgba(255,255,255,.05)) !important;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}

.cv-download strong{
  font-size:18px !important;
}

.cv-download span{
  font-size:11px !important;
}

.cv-ua{
  border-left:6px solid #3b82f6 !important;
}

.cv-pl{
  border-left:6px solid #f59e0b !important;
}

.cv-download:hover{
  transform:translateY(-4px) scale(1.02) !important;
}