/* ===== 2GER Technical Archive — Futurlec-inspired style ===== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 13px;
  background: #d0d8e8;
  color: #111;
}

/* ── TOP NAV BAR ── */
#topnav {
  background: linear-gradient(to bottom, #1a3a7a, #0d2257);
  border-bottom: 2px solid #0a1840;
  padding: 0 8px;
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

#topnav a {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  font-size: 11px;
  font-weight: bold;
  padding: 6px 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-right: 1px solid #2a4a9a;
}

#topnav a:first-child { border-left: 1px solid #2a4a9a; }
#topnav a:hover { background: #2a5aaa; color: #ffdd88; }
#topnav a.active { background: #0d2257; color: #ffdd88; }

/* ── HEADER ── */
header {
  background: #fff;
  border-bottom: 3px solid #1a3a7a;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1100px;
  margin: 0 auto;
}

header img { max-height: 64px; width: auto; }

.header-tagline {
  font-size: 11px;
  color: #444;
  text-align: right;
  line-height: 1.6;
}

.header-tagline strong { color: #1a3a7a; font-size: 13px; display: block; }

/* ── LAYOUT ── */
.page-wrapper {
  display: flex;
  align-items: flex-start;
  background: #fff;
  border-left: 1px solid #aaa;
  border-right: 1px solid #aaa;
  border-bottom: 1px solid #aaa;
  margin: 0 auto 8px;
  max-width: 1100px;
  min-height: calc(100vh - 160px);
}

/* ── SIDEBAR ── */
#sidebar {
  width: 178px;
  min-width: 178px;
  background: #eef1f8;
  border-right: 2px solid #b0bcd8;
  font-size: 12px;
  flex-shrink: 0;
}

.sidebar-section {
  border-bottom: 1px solid #c0cce0;
}

.sidebar-section h3 {
  background: linear-gradient(to bottom, #2a4a9a, #1a3070);
  color: #fff;
  font-size: 10px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 8px;
}

.sidebar-section ul {
  list-style: none;
  padding: 4px 0 6px 0;
}

.sidebar-section ul li {
  padding: 1px 0;
  display: flex;
  align-items: flex-start;
  gap: 4px;
  padding-left: 8px;
}

.sidebar-section ul li::before {
  content: '▶';
  color: #1a3a7a;
  font-size: 7px;
  margin-top: 4px;
  flex-shrink: 0;
}

.sidebar-section ul li a {
  color: #0d2257;
  text-decoration: underline;
  font-size: 12px;
  line-height: 1.5;
}

.sidebar-section ul li a:hover { color: #c00000; }
.sidebar-section ul li a.active { font-weight: bold; color: #c00000; text-decoration: none; }

/* ── MAIN CONTENT ── */
main {
  flex: 1;
  padding: 12px 16px;
  min-width: 0;
}

h1 {
  color: #1a3a7a;
  font-size: 17px;
  font-family: 'Times New Roman', Times, serif;
  font-weight: bold;
  border-bottom: 2px solid #1a3a7a;
  padding-bottom: 4px;
  margin-bottom: 10px;
}

h2 { color: #1a3a7a; font-size: 13px; margin: 10px 0 5px; }

p { line-height: 1.65; margin-bottom: 8px; }

a { color: #0033cc; }
a:hover { color: #c00; }

/* ── SECTION LABEL BANNERS ── */
.section-banner {
  background: linear-gradient(to right, #1a3a7a, #2a5ab0);
  color: #fff;
  font-size: 10px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  margin: 16px 0 8px;
  display: block;
}

/* ── CARDS ── */
.card {
  border: 1px solid #b8c8e0;
  padding: 10px 12px;
  margin-bottom: 10px;
  background: #f5f7fc;
}

.card h2 {
  margin-top: 0;
  font-size: 13px;
  border-bottom: 1px solid #c8d4ea;
  padding-bottom: 4px;
  margin-bottom: 6px;
  color: #1a3a7a;
}

/* ── FEATURED LIST ── */
.feat-list { list-style: none; padding: 0; margin: 6px 0; }
.feat-list li {
  padding: 3px 0 3px 14px;
  position: relative;
  border-bottom: 1px dotted #c8d4ea;
  line-height: 1.5;
}
.feat-list li::before {
  content: '►';
  position: absolute;
  left: 0;
  color: #1a3a7a;
  font-size: 8px;
  top: 5px;
}

/* ── TABLES ── */
table { border-collapse: collapse; width: 100%; margin-bottom: 10px; font-size: 12px; }
th { background: #1a3a7a; color: #fff; padding: 5px 8px; text-align: left; font-size: 11px; text-transform: uppercase; }
td { border: 1px solid #c8d4ea; padding: 4px 8px; }
tr:nth-child(odd) td { background: #f5f7fc; }
tr:nth-child(even) td { background: #eef1f8; }

/* ── CODE BLOCKS ── */
pre {
  background: #fff;
  border: 1px solid #b8c8e0;
  border-left: 3px solid #1a3a7a;
  padding: 8px 10px;
  margin: 6px 0 10px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 11px;
  line-height: 1.55;
  overflow-x: auto;
}

code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 11px;
  background: #eef1f8;
  border: 1px solid #d8e0f0;
  padding: 0 3px;
}

pre code { background: none; border: none; padding: 0; }

/* ── WARNING CALLOUT ── */
.warn {
  background: #fff6e0;
  border: 1px solid #d8a840;
  border-left: 4px solid #c00000;
  padding: 8px 10px;
  margin: 8px 0 10px;
}

.warn strong { color: #c00000; }

/* ── CONTACT FORM ── */
.form-row { display: flex; gap: 0; margin-bottom: 6px; align-items: flex-start; }
.form-label { width: 110px; min-width: 110px; font-weight: bold; font-size: 12px; padding-top: 5px; color: #222; }
.form-field { flex: 1; }
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  border: 1px solid #99a8c8;
  padding: 4px 6px;
  font-family: Verdana, sans-serif;
  font-size: 12px;
  background: #fafcff;
}
.form-field textarea { resize: vertical; }

button[type="submit"] {
  background: linear-gradient(to bottom, #2a4a9a, #1a3070);
  color: #fff;
  border: 1px solid #0a1840;
  padding: 6px 20px;
  font-family: Verdana, sans-serif;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 6px;
}
button[type="submit"]:hover { background: linear-gradient(to bottom, #3a5aaa, #2a4080); }
.error { color: #c00; font-size: 11px; font-weight: bold; margin-bottom: 8px; }

/* ── FOOTER ── */
footer {
  background: linear-gradient(to bottom, #1a3a7a, #0d2257);
  color: #bcc8e8;
  font-size: 11px;
  text-align: center;
  padding: 10px;
  border-top: 2px solid #0a1840;
  max-width: 1100px;
  margin: 0 auto;
}

footer a { color: #8aaae8; }
footer a:hover { color: #ffdd88; }

.footer-links { margin-bottom: 4px; }
.footer-links a { margin: 0 6px; }

/* ── MOBILE TOGGLE ── */
.menu-toggle {
  display: none;
  background: #1a3a7a;
  color: #fff;
  border: none;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
}

/* ── RESPONSIVE ── */
@media (max-width: 720px) {
  .page-wrapper { flex-direction: column; }
  #sidebar { width: 100%; min-width: 0; border-right: none; border-bottom: 2px solid #b0bcd8; display: none; }
  #sidebar.open { display: block; }
  .menu-toggle { display: inline-block; }
  #topnav { display: none; }
  .header-tagline { display: none; }
  .form-label { width: 80px; min-width: 80px; }
}