/* =========================================================
   Prolumen Silesia — oznámení o změně obchodní firmy
   Aesthetic: corporate-professional, postavené na DNA původního
   webu (bílá, brand červená, čistý sans-serif), zvedlé na úroveň
   2026 — pevný grid, hairline detaily, jasná hierarchie.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg:           #FFFFFF;
  --bg-soft:      #F6F5F2;
  --bg-section:   #FAF8F5;
  --ink:          #1A1A1A;
  --ink-2:        #3C3C3C;
  --muted:        #6B6B6B;
  --muted-2:      #9A9A9A;
  --rule:         #E8E5DF;
  --rule-strong:  #D6D2CA;

  --red:          #DB392E;
  --red-dark:     #B82A22;
  --red-soft:     #FCEEEC;

  --dark:         #1F1D1B;

  --sans:  "Manrope", proxima-nova, "Helvetica Neue", Helvetica, Arial, sans-serif;

  --maxw: 1920px;
  --pad:  clamp(20px, 4vw, 56px);
  --r:    4px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); }

body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--red); color: #fff; }

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

a { color: var(--red); text-decoration: none; }
a:hover { color: var(--red-dark); }

/* =========================================================
   TOP BAR
   ========================================================= */
.topbar {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font-size: 13px;
}
.brand-lockup {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  font-size: 15px;
}
.brand-lockup .sep {
  color: var(--muted-2);
  font-weight: 400;
}
.topbar .meta {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.topbar .meta strong {
  color: var(--ink);
  font-weight: 600;
  margin-left: 6px;
}

@media (max-width: 560px) {
  .topbar .meta { display: none; }
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding: clamp(56px, 9vw, 120px) var(--pad) clamp(48px, 7vw, 88px);
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  position: relative;
}

.tag {
  display: inline-block;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero h1 {
  font-weight: 700;
  font-size: clamp(36px, 6.2vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 32px;
  max-width: 18ch;
}
.hero h1 .accent { color: var(--red); }

.transition {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--rule-strong);
  border-radius: var(--r);
  background: var(--bg-soft);
  overflow: hidden;
  font-size: clamp(14px, 1.4vw, 16px);
  margin-bottom: 24px;
}
.transition .cell {
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.transition .cell + .cell { border-left: 1px solid var(--rule-strong); }
.transition .k {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.transition .v {
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.transition .from .v { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--muted-2); }
.transition .to .v { color: var(--red); }
.transition .arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  color: var(--red);
  font-weight: 700;
  background: #fff;
}

@media (max-width: 560px) {
  .transition { display: grid; grid-template-columns: 1fr; }
  .transition .cell + .cell { border-left: 0; border-top: 1px solid var(--rule-strong); }
  .transition .arrow { padding: 8px 0; border-top: 1px solid var(--rule-strong); }
}

.hero-lede {
  max-width: 56ch;
  font-size: clamp(17px, 1.6vw, 19px);
  line-height: 1.55;
  color: var(--ink-2);
  margin: 16px 0 0;
}

/* =========================================================
   SPLIT
   ========================================================= */
.split {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 96px) var(--pad);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 3.5vw, 64px);
}
@media (max-width: 920px) {
  .split { grid-template-columns: minmax(0, 1fr); gap: 56px; }
}

.col {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--rule);
}

figure { margin: 0; }

.col-photo {
  position: relative;
  margin: 0;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-soft);
}
.col-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.col-photo .badge {
  position: absolute;
  top: 16px; left: 16px;
  background: #fff;
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 12px;
}

.col-body {
  padding: clamp(24px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.col-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}

.col h2 {
  font-weight: 700;
  font-size: clamp(24px, 2.8vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 16px;
}

.col-lede {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 22px;
}
.col-lede strong { color: var(--ink); font-weight: 600; }

/* CTA button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--red);
  color: #fff !important;
  font-weight: 600;
  font-size: 14.5px;
  padding: 12px 20px;
  border-radius: 4px;
  border: 1px solid var(--red);
  transition: background 0.18s, border-color 0.18s, transform 0.18s;
  margin-bottom: 28px;
  align-self: flex-start;
}
.btn:hover { background: var(--red-dark); border-color: var(--red-dark); color: #fff !important; }
.btn .arr { transition: transform 0.18s; }
.btn:hover .arr { transform: translateX(3px); }

.btn-ghost {
  background: #fff;
  color: var(--ink) !important;
  border-color: var(--rule-strong);
}
.btn-ghost:hover { background: var(--bg-soft); border-color: var(--ink); color: var(--ink) !important; }

/* Services list */
.services {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
}
.services > li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}
.services > li:last-child { border-bottom: 1px solid var(--rule); }
.services .idx {
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.02em;
  padding-top: 1px;
}
.services .title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.services .sub {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}
.services .sub span { white-space: nowrap; }
.services .sub span:not(:last-child)::after {
  content: "·";
  margin: 0 8px;
  color: var(--rule-strong);
}

/* Contact card */
.contact-card {
  margin-top: auto;
  padding: 24px 0 0;
  border-top: 1px solid var(--rule);
}
.contact-card .ck-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}
.contact-card .ck-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin: 0 0 2px;
}
.contact-card .ck-role {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0 0 14px;
}
.contact-card .ck-lines {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.contact-card .ck-lines li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}
.contact-card .ck-lines .ic {
  width: 16px; height: 16px;
  flex-shrink: 0;
  color: var(--red);
}
.contact-card .ck-lines a {
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.contact-card .ck-lines a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}
.contact-card .ck-lines .loc { color: var(--ink-2); }

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: var(--dark);
  color: #B8B5B1;
  padding: clamp(40px, 5vw, 64px) var(--pad) clamp(28px, 3vw, 40px);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.footer h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  line-height: 1.2;
}
.footer h3 .accent { color: var(--red); }
.footer p { margin: 0; }
.footer .small {
  font-size: 12.5px;
  color: #888;
  letter-spacing: 0.02em;
  line-height: 1.6;
}
.footer .small a {
  color: #ddd;
  border-bottom: 1px solid #444;
}
.footer .small a:hover { color: #fff; border-bottom-color: #fff; }
.footer .right { text-align: right; }
.footer .legal {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid #2c2a28;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 11.5px;
  color: #7a7775;
  letter-spacing: 0.04em;
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer .right { text-align: left; }
}

/* =========================================================
   ENTRANCE — subtle, professional
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  animation: rise 0.7s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}
.reveal.d1 { animation-delay: 0.05s; }
.reveal.d2 { animation-delay: 0.15s; }
.reveal.d3 { animation-delay: 0.28s; }
.reveal.d4 { animation-delay: 0.42s; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
  .btn .arr { transition: none; }
}