/* ──────────────────────────────────────────────────────────────
   Jaroslav Trsek — minimalistická prezentace
   Světlé téma, IBM Plex Sans + IBM Plex Mono, indigový akcent.
   ────────────────────────────────────────────────────────────── */

:root {
  --text:          #1A1F2B;
  --text-soft:     #404652;
  --secondary:     #6B7280;
  --muted:         #9AA0AB;

  --accent:        #3B4FE0;
  --accent-soft:   #3B4FE022;
  --accent-tint:   #3B4FE008;
  --accent-border: #3B4FE033;

  --rule:          #E6E8EC;
  --chip-border:   #E0E2E8;
  --row-border:    #EEF0F3;

  --page-bg:       #FFFFFF;
  --footer-bg:     #FBFBFC;

  --maxw: 680px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--page-bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
::selection { background: var(--accent-soft); }

.mono { font-family: 'IBM Plex Mono', monospace; }
.accent { color: var(--accent); }
.muted { color: var(--muted); }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 96px 28px 0;
}

.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0;
}

/* ─── HERO ─────────────────────────────────────────────── */
.hero { padding-bottom: 88px; }

.eyebrow-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
}

.availability-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--secondary);
}

.hero-name {
  font-size: 52px;
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.hero-role {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  color: var(--secondary);
  letter-spacing: 0.01em;
  margin: 0 0 30px;
}

.hero-tagline {
  font-size: 23px;
  line-height: 1.45;
  font-weight: 400;
  max-width: 30ch;
  margin: 0 0 36px;
  color: var(--text);
  text-wrap: balance;
}

/* ─── Arrow links ──────────────────────────────────────── */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  text-decoration: none;
  font-weight: 400;
  transition: opacity 0.15s ease;
}
.link-arrow.mono { font-family: 'IBM Plex Mono', monospace; font-size: 13.5px; }
.link-arrow.strong { font-weight: 500; }
.link-arrow:hover { opacity: 0.7; }

.link-arrow .arrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
}
.link-arrow.mono .arrow { font-family: inherit; font-size: 12px; }

/* ─── Sections ─────────────────────────────────────────── */
.section { padding: 72px 0; }
.section-contact { padding: 72px 0 80px; }

.section-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
  margin: 0 0 28px;
}
.section-label--lg { margin-bottom: 36px; }
.section-label--md { margin-bottom: 32px; }

/* O mně */
.prose {
  font-size: 19px;
  line-height: 1.6;
  max-width: 56ch;
  color: var(--text);
  margin: 0 0 24px;
}
.prose + .prose { margin-bottom: 36px; }

.inline-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-soft);
  transition: opacity 0.15s ease;
}
.inline-link:hover { opacity: 0.7; }

.meta-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-chip {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--text);
  border: 1px solid var(--chip-border);
  border-radius: 6px;
  padding: 6px 12px;
  background: #FFFFFF;
}

/* ─── Cards (Reference / Produkt) ──────────────────────── */
.card {
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 32px;
  background: #FFFFFF;
}
.card-accent {
  border-color: var(--accent-border);
  background: var(--accent-tint);
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.card-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.card-year {
  font-size: 13px;
  color: var(--muted);
  flex-shrink: 0;
}

.card-body {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 0 0 26px;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.tech-item {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--secondary);
  padding: 3px 0;
}

/* Produkt-specific */
.product-head {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 18px;
}

.product-badge {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 3px 10px;
  background: #FFFFFF;
}

.product-by {
  font-size: 12px;
  color: var(--muted);
}

.product-title { margin: 0 0 14px; }
.product-body { max-width: 54ch; margin-bottom: 24px; }

/* ─── Kontakt ──────────────────────────────────────────── */
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-row {
  display: inline-flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--row-border);
  text-decoration: none;
  color: var(--text);
  transition: color 0.15s ease;
}
.contact-row.no-border { border-bottom: none; }
.contact-row:hover { color: var(--accent); }

.contact-key {
  font-size: 12px;
  color: var(--muted);
  width: 80px;
  flex-shrink: 0;
}

.contact-val {
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.contact-val .arrow { font-size: 13px; }

/* ─── Footer ───────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--rule);
  background: var(--footer-bg);
}
.footer-inner { padding: 32px 28px 48px; }

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

/* ─── Responsive (mobile first refinements) ────────────── */
@media (max-width: 600px) {
  .container { padding: 64px 22px 0; }
  .hero { padding-bottom: 64px; }
  .eyebrow-row { margin-bottom: 32px; }

  .hero-name { font-size: 40px; }
  .hero-tagline { font-size: 20px; }

  .section { padding: 56px 0; }
  .section-contact { padding: 56px 0 64px; }

  .prose { font-size: 18px; }

  .card { padding: 24px; }

  .footer-inner { padding: 28px 22px 40px; }
}