/* =========================================
   VSOL CZECH – tech/clean styl
   Světlé, čisté, bílé + modré + zelené akcenty
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=DM+Mono:wght@400;500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

:root {
  /* Hlavní barvy */
  --green:        #143723;
  --green-mid:    #1e5234;
  --green-accent: #2a7a4a;
  --green-light:  #e8f4ed;

  --blue:         #1a56db;
  --blue-mid:     #1e429f;
  --blue-light:   #ebf0ff;

  /* Pozadí a povrchy */
  --bg:           #f8fafc;
  --bg-card:      #ffffff;
  --bg-subtle:    #f1f5f9;

  /* Text */
  --text:         #0f172a;
  --text-mid:     #05152c;
  --text-muted:   #0b1d36;
  --text-pr-grid: #0e613d;
  --text-faint:   #f1f5f9;

  /* Bordery */
  --border:       #e2e8f0;
  --border-mid:   #cbd5e1;

  /* Typografie */
  --font-body:    'Century Gothic', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  /* Ostatní */
  --radius:       8px;
  --radius-lg:    12px;
  --shadow-sm:    0 1px 3px rgba(15,23,42,.07), 0 1px 2px rgba(15,23,42,.05);
  --shadow:       0 4px 12px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.04);
  --shadow-lg:    0 16px 40px rgba(15,23,42,.10), 0 4px 8px rgba(15,23,42,.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-mid); }
img { max-width: 100%; display: block; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

/* ── NAVBAR ── */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 60px;
  gap: 8px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  margin-right: 24px;
}

.navbar-logo-mark {
  width: 28px;
  height: 28px;
  background: var(--green);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.navbar-logo span {
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  letter-spacing: -0.3px;
}

.navbar-logo span em {
  font-style: normal;
  color: var(--green-accent);
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: 2px;
  align-items: center;
}

.navbar-nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: background .12s, color .12s;
}

.navbar-nav a:hover {
  background: var(--bg-subtle);
  color: var(--text);
}

.navbar-nav a.active {
  background: var(--green-light);
  color: var(--green);
  font-weight: 600;
}

.navbar-cta {
  margin-left: auto;
}

.navbar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  cursor: pointer;
  color: var(--text-mid);
  font-size: 18px;
  margin-left: auto;
  padding: 5px 9px;
  border-radius: 6px;
}

/* ── HERO ── */
.hero {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 72px 24px 64px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-light);
  color: var(--green);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--text);
}

.hero h1 strong {
  color: var(--green);
}

.hero p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 480px;
  line-height: 1.7;
}

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

.hero-img {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-wrap {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: inline-block;
}

.hero-img-wrap img {
  max-height: 150px;
  filter: drop-shadow(0 8px 24px rgba(15,23,42,.12));
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-mid);
  border-color: var(--blue-mid);
  color: #fff;
}

.btn-green {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.btn-green:hover {
  background: var(--green-mid);
  border-color: var(--green-mid);
  color: #fff;
}

.btn-outline {
  background: #fff;
  color: var(--text-mid);
  border-color: var(--border-mid);
}
.btn-outline:hover {
  background: var(--bg-subtle);
  border-color: var(--border-mid);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--bg-subtle);
  color: var(--text);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* ── SECTIONS ── */
section { padding: 64px 24px; }

.section-inner { max-width: 1200px; margin: 0 auto; }

.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green-accent);
  margin-bottom: 8px;
}

.section-blog {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green-accent);
  margin-bottom: 8px;
  padding-top: 80px;
}

.text-blog {
  padding-bottom: 1em;
  text-align: justify;
}



.section-title {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 10px;
  color: var(--text);
}

.section-lead {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.section-alt { background: var(--bg-subtle); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-white { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-dark {
  background: var(--green);
  border: none;
}
.section-dark .section-title,
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .section-lead { color: rgba(255,255,255,.7); }
.section-dark .section-eyebrow { color: #7dd3a8; }

/* ── PRODUCT GRID ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 16px 16px;
  text-align: center;
  transition: box-shadow .18s, border-color .18s, transform .18s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--border-mid);
  transform: translateY(-2px);
}

.product-card img {
  height: 200px;
  width: 100%;
  object-fit: contain;
  margin: 0 auto 14px;
}

.product-card h3 {
  font-size: 25px;
  font-weight: 700;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  color: var(--green);
  letter-spacing: -0.3px;
}

.product-card p {
  font-size: 16px;
  color: var(--text-pr-grid);
  line-height: 1.55;
  font-weight: bolder;
  flex: 1;
  margin-bottom: 14px;
}

.product-card .btn { width: 100%; justify-content: center; }

/* ── FEATURES GRID ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow .18s;
}

.feature-card:hover { box-shadow: var(--shadow); }

.feature-icon {
  font-size: 24px;
  margin-bottom: 12px;
  display: block;
}

.feature-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.feature-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Dark feature cards */
.feature-card.dark {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.12);
}
.feature-card.dark h4 { color: #fff; }
.feature-card.dark p { color: rgba(255,255,255,.65); }

/* ── TABS ── */
.tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.tab-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 16px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all .12s;
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--green);
  border-bottom-color: var(--green);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── ACCORDION ── */
.accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}

.accordion-item + .accordion-item { border-top: 1px solid var(--border); }

.accordion-btn {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  padding: 16px 20px;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  gap: 12px;
  transition: background .12s;
}

.accordion-btn:hover { background: var(--bg-subtle); }
.accordion-btn.open { background: var(--bg-subtle); }

.accordion-btn .chevron {
  flex-shrink: 0;
  transition: transform .2s;
  font-size: 11px;
  color: var(--text-faint);
}
.accordion-btn.open .chevron { transform: rotate(180deg); }

.accordion-body {
  display: none;
  padding: 4px 20px 18px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.accordion-body.open { display: block; }
.accordion-body a { color: var(--blue); }
.accordion-body p { margin-bottom: 10px; }
.accordion-body p:last-child { margin-bottom: 0; }

/* ── PAGE HERO ── */
.page-hero {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 48px 24px 40px;
}

.page-hero-inner { max-width: 1200px; margin: 0 auto; }

.page-hero h1 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
  color: var(--text);
}

.page-hero p {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.7;
}

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info p, .contact-info address {
  font-style: normal;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.contact-info strong { color: var(--text); }

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 300px;
}

.contact-map iframe { width: 100%; height: 100%; border: none; }

/* ── DOWNLOAD TABLE ── */
.dl-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.dl-table th {
  background: var(--bg-subtle);
  color: var(--text-mid);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.dl-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  vertical-align: middle;
}

.dl-table tr:last-child td { border-bottom: none; }
.dl-table tr:hover td { background: var(--bg-subtle); }
.dl-table a { color: var(--blue); font-weight: 500; }
.dl-table a:hover { color: var(--blue-mid); }

.dl-table code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
}

/* ── BADGES ── */
.badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .4px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.badge-fw      { background: #dcfce7; color: #15803d; }
.badge-ds      { background: #dbeafe; color: #1d4ed8; }
.badge-manual  { background: #fef9c3; color: #854d0e; }

/* ── PROSE ── */
.prose { max-width: 820px; }
.prose h2 { font-size: 22px; font-weight: 700; margin: 36px 0 10px; }
.prose h3 { font-size: 18px; font-weight: 700; margin: 28px 0 8px; }
.prose h4 { font-size: 15px; font-weight: 700; margin: 20px 0 6px; }
.prose p  { margin-bottom: 14px; color: var(--text-muted); font-size: 15px; }
.prose ul, .prose ol { margin: 12px 0 12px 20px; color: var(--text-muted); }
.prose li { margin-bottom: 4px; }
.prose strong { color: var(--text); }

.prose pre {
  background: #0f172a;
  color: #94d4a4;
  padding: 16px 20px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 16px 0;
  font-size: 13px;
  font-family: var(--font-mono);
  line-height: 1.7;
}

.prose code {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--green);
}

/* ── FOOTER ── */
footer {
  background: #0f172a;
  color: #ffffff80;
  padding: 48px 24px 28px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid #ffffff12;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.footer-logo-mark {
  width: 26px;
  height: 26px;
  background: var(--green-accent);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 12px;
}

.footer-logo span {
  font-weight: 700;
  font-size: 14px;
  color: rgba(255,255,255,.85);
}

footer h4 {
  color: rgba(255,255,255,.7);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

footer ul { list-style: none; }
footer ul li { margin-bottom: 7px; }
footer ul a { color: #ffffff73; font-size: 13px; transition: color .12s; }
footer ul a:hover { color: rgba(255,255,255,.85); }

.footer-bottom {
  max-width: 1200px;
  margin: 20px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  flex-wrap: wrap;
  gap: 8px;
  color: rgba(255,255,255,.3);
}

/* ── DIVIDER ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 32px 0;
}

/* ── ALERT / INFO BOX ── */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.alert-warning { background: #fefce8; border: 1px solid #fde047; color: #713f12; }
.alert-info    { background: var(--blue-light); border: 1px solid #93c5fd; color: #1e3a5f; }
.alert-success { background: var(--green-light); border: 1px solid #86efac; color: #14532d; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-img { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .navbar-nav { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 8px 12px 12px; box-shadow: var(--shadow); }
  .navbar-nav.open { display: flex; }
  .navbar-inner { position: relative; }
  .navbar-toggle { display: block; }
  .navbar-cta { display: none; }
  section { padding: 48px 16px; }
  .page-hero { padding: 36px 16px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
}

.blog h1 {
  font-size: x-large;
  color: #0e613d;

}

.content_blog a {color: #0e613d;}
.content_blog h3, .content_blog p, .content_blog h2, .content_blog table, .content_blog ul {margin-bottom: 2rem;}
.blog hr {margin: 2rem 0; border: 1px dotted; height: 1px; color: #0e613d;}