/* Severočeské technologie s.r.o. – firemní styl.
   Střízlivý korporátní vzhled: pevná šířka, serif nadpisy, boxované sekce. */

/* ---- reset / základ ---- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: #2a2a2a;
  background: #e8ebee url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect width='4' height='4' fill='%23e8ebee'/%3E%3Crect width='1' height='1' fill='%23e2e5e9'/%3E%3C/svg%3E");
}
img { max-width: 100%; height: auto; }

.wrap { width: 1000px; max-width: 94%; margin: 0 auto; }

a { color: #1a5c9c; text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: Georgia, "Times New Roman", serif; font-weight: normal; color: #143a5e; line-height: 1.25; }
h1 { font-size: 28px; margin: 0 0 .5em; }
h2 { font-size: 22px; margin: 1.4em 0 .5em; border-bottom: 1px solid #d3d8de; padding-bottom: .25em; }
h3 { font-size: 18px; margin: 1.2em 0 .4em; color: #1a5c9c; }
h4 { font-size: 15px; margin: 0 0 .5em; }
p { margin: 0 0 1em; }

/* ---- horní servisní lišta ---- */
#utility {
  background: #0e2c48;
  color: #b9c9d8;
  font-size: 12px;
  border-bottom: 1px solid #08243c;
}
#utility .wrap { display: flex; justify-content: space-between; padding: 5px 0; }
#utility strong { color: #fff; }
#utility a { color: #cfe0ef; }

/* ---- hlavička s logem ---- */
#masthead {
  background: #fff;
  background: linear-gradient(180deg, #ffffff 0%, #f1f4f7 100%);
  border-bottom: 3px solid #143a5e;
}
#masthead .wrap { padding: 16px 0; }
.logo { display: inline-flex; align-items: center; gap: 14px; }
.logo:hover { text-decoration: none; }
.logo-mark {
  display: inline-block;
  width: 52px; height: 52px; line-height: 52px;
  text-align: center;
  font-family: Georgia, serif; font-size: 26px; font-weight: bold;
  color: #fff; background: #143a5e;
  border: 2px solid #0e2c48;
  letter-spacing: -1px;
}
.logo-name { display: block; font-family: Georgia, serif; font-size: 24px; color: #143a5e; letter-spacing: .3px; }
.logo-sub  { display: block; font-size: 12px; color: #62707c; text-transform: uppercase; letter-spacing: 1.5px; }

/* ---- hlavní navigace ---- */
#mainnav {
  background: #143a5e;
  background: linear-gradient(180deg, #1c4a73 0%, #143a5e 100%);
  border-bottom: 1px solid #0e2c48;
}
#mainnav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
#mainnav li { border-right: 1px solid rgba(255,255,255,.12); }
#mainnav li:first-child { border-left: 1px solid rgba(255,255,255,.12); }
#mainnav a {
  display: block; padding: 11px 16px;
  color: #dfe8f0; font-size: 13.5px; font-weight: bold;
  text-transform: uppercase; letter-spacing: .4px;
}
#mainnav a:hover { background: #0e2c48; color: #fff; text-decoration: none; }
#mainnav li.on a { background: #fff; color: #143a5e; }

/* ---- drobečková navigace ---- */
#crumbs { background: #dde3e9; border-bottom: 1px solid #cbd2d9; font-size: 12px; }
#crumbs .wrap { padding: 6px 0; color: #5a6672; }
#crumbs span { color: #2a2a2a; }

/* ---- hero (úvodní stránka) ---- */
#hero {
  background: #1c4a73 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.05'%3E%3Crect x='0.5' y='0.5' width='39' height='39'/%3E%3C/g%3E%3C/svg%3E");
  color: #eef3f8;
  border-bottom: 3px solid #0e2c48;
}
#hero .wrap { padding: 40px 0; }
#hero h1 { color: #fff; font-size: 32px; max-width: 720px; }
#hero p { max-width: 680px; font-size: 16px; color: #cdd9e4; }
.btn {
  display: inline-block; margin-top: 8px;
  padding: 10px 22px;
  background: #c8641e; color: #fff;
  border: 1px solid #a4511522;
  font-weight: bold; font-size: 14px;
  text-transform: uppercase; letter-spacing: .5px;
}
.btn:hover { background: #a95214; text-decoration: none; color: #fff; }
.btn.alt { background: #143a5e; }
.btn.alt:hover { background: #0e2c48; }

/* ---- hlavní obsah ---- */
#content { background: #f6f7f9; }
#content .wrap { padding: 28px 0 36px; }

/* dvousloupcové rozvržení vnitřních stránek */
.layout { display: flex; gap: 30px; align-items: flex-start; }
.layout .main { flex: 1 1 auto; min-width: 0; }
.layout .side { flex: 0 0 260px; }

/* ---- dlaždice služeb (homepage) ---- */
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 22px 0; }
.tile {
  background: #fff; border: 1px solid #d3d8de; border-top: 3px solid #1a5c9c;
  padding: 18px 20px;
}
.tile h3 { margin-top: 0; }
.tile p { color: #444; margin-bottom: .6em; }
.tile a.more { font-size: 13px; font-weight: bold; text-transform: uppercase; letter-spacing: .3px; }

/* ---- proč my ---- */
.reasons { list-style: none; margin: 18px 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 30px; }
.reasons li { padding: 10px 0 10px 26px; border-bottom: 1px dotted #cdd3da; position: relative; }
.reasons li:before { content: "\25AA"; color: #c8641e; position: absolute; left: 4px; top: 10px; }
.reasons strong { color: #143a5e; display: block; }

/* ---- panely / boxy ---- */
.panel { background: #fff; border: 1px solid #d3d8de; padding: 20px 24px; margin: 18px 0; }
.panel.accent { border-left: 4px solid #c8641e; }
.note { background: #f3f6f4; border: 1px solid #d6e0d8; border-left: 4px solid #4c8c5a; padding: 12px 16px; font-size: 14px; }

/* ---- sidebar boxy ---- */
.box { background: #fff; border: 1px solid #d3d8de; margin-bottom: 18px; }
.box h4 { background: #143a5e; color: #fff; margin: 0; padding: 9px 14px; font-family: Georgia, serif; font-size: 15px; font-weight: normal; }
.box .box-in { padding: 12px 14px; font-size: 14px; }
.box ul { list-style: none; margin: 0; padding: 0; }
.box li { border-bottom: 1px solid #e4e8ec; }
.box li:last-child { border-bottom: 0; }
.box li a { display: block; padding: 8px 14px; color: #2a4a68; }
.box li a:hover { background: #eef2f6; text-decoration: none; }
.box li.on a { background: #eef2f6; font-weight: bold; border-left: 3px solid #c8641e; }

/* ---- tabulky ---- */
table.data { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; background: #fff; }
table.data th, table.data td { border: 1px solid #cfd5db; padding: 8px 11px; text-align: left; vertical-align: top; }
table.data thead th { background: #143a5e; color: #fff; font-family: Georgia, serif; font-weight: normal; }
table.data tbody tr:nth-child(even) { background: #f2f5f8; }
table.data td.num { text-align: right; white-space: nowrap; }

/* ---- seznamy vlastností ---- */
ul.feat { list-style: none; margin: 14px 0; padding: 0; columns: 2; column-gap: 30px; }
ul.feat li { padding: 5px 0 5px 22px; position: relative; break-inside: avoid; }
ul.feat li:before { content: "\2713"; color: #4c8c5a; font-weight: bold; position: absolute; left: 0; }

/* ---- reference pás ---- */
.refs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 18px 0; }
.ref { background: #fff; border: 1px solid #d3d8de; padding: 14px 16px; font-size: 14px; }
.ref strong { display: block; color: #143a5e; font-family: Georgia, serif; margin-bottom: 4px; }

/* ---- FAQ ---- */
.faq dt { font-family: Georgia, serif; color: #143a5e; font-size: 16px; margin-top: 16px; }
.faq dd { margin: 4px 0 0; color: #3a3a3a; }

/* ---- formulář ---- */
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-weight: bold; font-size: 14px; margin-bottom: 4px; color: #143a5e; }
.form-row input, .form-row textarea {
  width: 100%; padding: 9px 10px; font-size: 15px; font-family: inherit;
  border: 1px solid #b9c0c8; background: #fff;
}
.form-row input:focus, .form-row textarea:focus { border-color: #1a5c9c; outline: none; }
.hp { position: absolute; left: -9999px; }
.msg-ok  { background: #eef6ef; border: 1px solid #bcd8bf; border-left: 4px solid #4c8c5a; padding: 12px 16px; margin-bottom: 16px; }
.msg-err { background: #fbf0ec; border: 1px solid #e3c3b6; border-left: 4px solid #c8641e; padding: 12px 16px; margin-bottom: 16px; }

/* pomocné */
.lead { color: #3a3a3a; }
.muted { color: #6a747e; }
.center { text-align: center; }
hr { border: 0; border-top: 1px solid #d3d8de; margin: 24px 0; }
.pricefrom { font-size: 12px; color: #6a747e; }

/* ---- patička ---- */
#colophon { background: #143a5e; color: #c3d1de; border-top: 3px solid #c8641e; margin-top: 30px; }
.footcols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; padding: 30px 0 26px; }
.footcols h4 { color: #fff; font-family: Georgia, serif; margin: 0 0 .6em; padding-bottom: .35em; border-bottom: 1px solid rgba(255,255,255,.15); }
.footcols p { margin: 0; font-size: 14px; line-height: 1.7; }
.footcols a { color: #9fc4e6; }
.footcols a:hover { color: #fff; }
.flist { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.flist li { border-bottom: 1px solid rgba(255,255,255,.08); }
.flist li:last-child { border-bottom: 0; }
.flist a { display: block; padding: 6px 0; }
.subfoot { background: #0e2c48; font-size: 12.5px; color: #8ea6ba; }
.subfoot .wrap { padding: 12px 0; }
.subfoot a { color: #9fc4e6; }

/* ---- responsivita ---- */
@media (max-width: 760px) {
  #utility .wrap { flex-direction: column; gap: 2px; text-align: center; }
  #mainnav ul { flex-direction: column; }
  #mainnav li, #mainnav li:first-child { border: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .layout { flex-direction: column; }
  .layout .side { flex-basis: auto; width: 100%; }
  .tiles, .reasons, .refs { grid-template-columns: 1fr; }
  .footcols { grid-template-columns: 1fr 1fr; gap: 18px; }
  ul.feat { columns: 1; }
  table.data { display: block; overflow-x: auto; }
}