:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --surface-2: #f5f5f4;
  --border: #e7e5e4;
  --border-hover: #d6d3d1;
  --text: #1c1917;
  --text-2: #44403c;
  --text-3: #78716c;
  --text-4: #78716c;
  --accent: #0f766e;
  --accent-light: #ccfbf1;
  --accent-hover: #115e59;
  --code-bg: #f5f5f4;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07);
  --radius: 10px;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 56px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-2);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
::selection { background: #99f6e4; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }

#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
  background: rgba(250,250,249,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.nav-left { display: flex; align-items: center; gap: 1.5rem; }
.logo {
  font-family: 'Outfit', system-ui, sans-serif;
  font-size: 1.05rem; font-weight: 700;
  color: var(--text); letter-spacing: -0.01em;
}
.nav-links { display: flex; gap: 1.75rem; list-style: none; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-3);
  transition: color 0.15s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1.5px; background: var(--accent);
  transform: scaleX(0); transition: transform 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after { transform: scaleX(1); }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 0.25rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.5rem;
  font-size: 0.75rem; font-weight: 600;
  color: var(--text-3);
  cursor: pointer;
  transition: all 0.15s;
  font-family: 'Inter', system-ui, sans-serif;
  text-decoration: none;
}
.lang-toggle:hover { border-color: var(--border-hover); color: var(--text); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 20px; height: 1.5px; background: var(--text-2); border-radius: 1px; margin: 4px 0; }

section { max-width: 1080px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 1; }
.section-pad { padding-top: 80px; padding-bottom: 80px; }
.section-label {
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-4); margin-bottom: 0.5rem;
}
h2 {
  font-family: 'Outfit', system-ui, sans-serif;
  font-size: 32px; font-weight: 600;
  color: var(--text); letter-spacing: -0.02em;
  line-height: 1.2; margin-bottom: 0.5rem;
}
.section-desc {
  color: var(--text-3); font-size: 0.95rem;
  margin-bottom: 2rem; max-width: 500px;
}

.hero {
  padding-top: 100px; padding-bottom: 60px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem; align-items: center;
}
.hero-text .greeting {
  font-size: 0.95rem; font-weight: 500;
  color: var(--accent); margin-bottom: 0.75rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.hero-text .greeting svg { width: 16px; height: 16px; }
.hero-text h1 {
  font-family: 'Outfit', system-ui, sans-serif;
  font-size: 48px; font-weight: 700;
  color: var(--text); letter-spacing: -0.025em;
  line-height: 1.1; margin-bottom: 1rem;
}
.hero-text h1 span { color: var(--accent); }
.hero-text p {
  font-size: 1rem; max-width: 480px;
  margin-bottom: 1.5rem; color: var(--text-2);
}
.hero-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.65rem 1.25rem; border-radius: 8px;
  font-size: 0.9rem; font-weight: 600;
  font-family: 'Inter', system-ui, sans-serif;
  transition: all 0.2s; cursor: pointer; border: none;
}
.btn svg { width: 15px; height: 15px; }
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 2px 8px rgba(15,118,110,0.25);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(15,118,110,0.3); }
.btn-secondary {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--border-hover); background: var(--surface-2); }
.hero-visual {
  display: flex; align-items: center; justify-content: center;
}
.hero-visual-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  width: 100%; max-width: 360px;
  font-family: var(--mono); font-size: 0.8rem;
  line-height: 2;
  color: var(--text-2);
}
.hero-visual-card .line { display: flex; gap: 0.5rem; }
.hero-visual-card .kw { color: var(--accent); }
.hero-visual-card .str { color: #b45309; }
.hero-visual-card .cmt { color: var(--text-4); }
.hero-visual-card .fn { color: #7c3aed; }

.about-grid {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 3rem; align-items: start;
}
.about-text p { margin-bottom: 1rem; }
.about-text strong { color: var(--text); }
.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.about-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.about-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.about-card .card-icon {
  color: var(--accent); margin-bottom: 0.5rem;
}
.about-card .card-icon svg { width: 20px; height: 20px; }
.about-card h3 { font-family: 'Outfit', system-ui, sans-serif; font-size: 0.9rem; font-weight: 600; color: var(--text); margin-bottom: 0.25rem; }
.about-card p { font-size: 0.8rem; color: var(--text-3); line-height: 1.5; }

.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.skill-group { margin-bottom: 1.5rem; }
.skill-group:last-child { margin-bottom: 0; }
.skill-group-label {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-4); margin-bottom: 0.5rem;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.skill-tag {
  font-family: var(--mono); font-size: 0.78rem; font-weight: 500;
  padding: 0.2rem 0.55rem;
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text-3);
  transition: all 0.15s;
}
.skill-tag:hover { border-color: var(--border-hover); color: var(--text-2); }
.skill-tag.primary { background: var(--accent-light); border-color: rgba(15,118,110,0.2); color: var(--accent); }

.timeline { display: flex; flex-direction: column; gap: 1rem; }
.tl-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--border);
  transition: box-shadow 0.2s;
}
.tl-card:hover { box-shadow: var(--shadow-md); }
.tl-card.recent { border-left-color: var(--accent); }
.tl-header { display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.4rem; }
.tl-role { font-family: 'Outfit', system-ui, sans-serif; font-size: 0.95rem; font-weight: 600; color: var(--text); }
.tl-project { font-size: 0.85rem; color: var(--accent); font-weight: 500; }
.tl-desc { font-size: 0.88rem; color: var(--text-2); margin-bottom: 0.6rem; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.tl-tags span {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 500;
  padding: 0.15rem 0.4rem; color: var(--text-4);
  background: var(--code-bg); border-radius: 4px;
}
.edu-line {
  margin-top: 0.5rem; padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem; color: var(--text-3);
}
.edu-line strong { color: var(--text-2); }

.contact-section { text-align: center; }
.contact-section h2 { text-align: center; }
.contact-section .section-desc { margin-left: auto; margin-right: auto; text-align: center; }
.contact-links { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.contact-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.9rem; font-weight: 500; color: var(--accent);
  padding: 0.5rem 0; border-bottom: 1.5px solid transparent;
  transition: border-color 0.15s;
}
.contact-link svg { width: 16px; height: 16px; }
.contact-link:hover { border-bottom-color: var(--accent); }

.hero-photo {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: box-shadow 0.2s;
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-card p { font-size: 0.85rem; color: var(--text-2); font-style: italic; margin-bottom: 0.75rem; line-height: 1.6; }
.testimonial-card .testimonial-meta { font-size: 0.75rem; color: var(--text-4); display: flex; align-items: center; gap: 0.5rem; }
.testimonial-card .testimonial-meta strong { color: var(--text-3); }
.testimonial-card .testimonial-stars { color: #f59e0b; font-size: 0.7rem; letter-spacing: 0.05em; }
.testimonial-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  max-width: 50%;
  justify-self: center;
}
@media (max-width: 768px) {
  .testimonials-grid { grid-template-columns: 1fr; }
  .testimonial-card:last-child:nth-child(odd) { max-width: 100%; }
}

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }
.service-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
  text-align: center;
}
.service-item h3 { font-family: 'Outfit', system-ui, sans-serif; font-size: 0.9rem; font-weight: 600; color: var(--text); margin-bottom: 0.35rem; }
.service-item p { font-size: 0.8rem; color: var(--text-3); line-height: 1.5; }

.faq-list { margin-top: 1.5rem; max-width: 700px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  font-family: 'Outfit', system-ui, sans-serif;
  font-size: 0.95rem; font-weight: 600; color: var(--text);
  padding: 1rem 0; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; user-select: none;
}
.faq-q:hover { color: var(--accent); }
.faq-q i { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.2s; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-a-inner {
  padding-bottom: 1rem;
  font-size: 0.88rem; color: var(--text-2); line-height: 1.7;
}
@media (max-width: 768px) {
  .faq-list { max-width: 100%; }
}

footer {
  max-width: 1080px; margin: 0 auto;
  padding: 2rem; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: var(--text-4);
  position: relative; z-index: 1;
}
footer a { color: var(--text-3); transition: color 0.15s; }
footer a:hover { color: var(--accent); }
footer .footer-links { display: flex; gap: 1rem; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 56px; left: 0; right: 0;
    background: rgba(250,250,249,0.98);
    backdrop-filter: blur(12px);
    padding: 1.25rem 2rem; gap: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .hamburger { display: block; }
  section { padding: 0 1.25rem; }
  .section-pad { padding-top: 60px; padding-bottom: 60px; }
  .hero { grid-template-columns: 1fr; padding-top: 80px; gap: 2rem; }
  .hero-text h1 { font-size: 36px; }
  .hero-visual { display: none; }
  h2 { font-size: 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-cards { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-photo { width: 48px; height: 48px; }
  footer { flex-direction: column; gap: 0.5rem; text-align: center; }
  footer .footer-links { justify-content: center; }
}

/* Article hero (shared by list + individual pages) */
.comparison-hero {
  padding-top: 120px;
  padding-bottom: 60px;
  text-align: center;
}
.comparison-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
}
.comparison-hero .meta {
  color: var(--text-3);
  font-size: 0.9rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Service detail (uslugi page) */
.service-detail {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  margin-bottom: 2rem;
}
.service-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.service-detail-header i { flex-shrink: 0; margin-top: 4px; }
.service-detail-header h3 { font-size: 20px; font-weight: 600; color: var(--text); margin: 0; }
.service-detail-subtitle { font-size: 14px; color: var(--text-3); margin-top: 2px; display: block; }
.service-detail p { margin-bottom: 0.75rem; }
.service-detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.service-meta-item strong { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-3); margin-bottom: 4px; }
.service-meta-item span { font-size: 14px; color: var(--text-2); }
@media (max-width: 768px) {
  .service-detail { padding: 1.5rem; }
  .service-detail-header { flex-direction: column; gap: 0.5rem; }
  .service-detail-header i { margin-top: 0; }
  .service-detail-meta { grid-template-columns: 1fr; }
}