/* ── clbsoldev · shared stylesheet ── */

:root {
  --bg:        #0a0e14;
  --surface:   #111620;
  --border:    #1e2a3a;
  --accent:    #00d4ff;
  --accent2:   #0077a8;
  --text:      #c8d8e8;
  --text-dim:  #5a7a94;
  --text-head: #e8f4ff;
  --green:     #00e5a0;
  --orange:    #ff8c42;
  --mono:      'IBM Plex Mono', monospace;
  --sans:      'IBM Plex Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
}

/* Scanline overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,.08) 2px, rgba(0,0,0,.08) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ── NAV (shared, also used by <site-nav> web component) ── */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,14,20,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 2rem;
}
.site-nav .nav-brand {
  font-family: var(--mono); font-size: .8rem;
  color: var(--accent); letter-spacing: .12em;
  text-transform: uppercase; text-decoration: none;
}
.site-nav .nav-brand span { color: var(--text-dim); }
.site-nav .nav-links { display: flex; gap: 2rem; list-style: none; }
.site-nav .nav-links a {
  font-family: var(--mono); font-size: .75rem;
  color: var(--text-dim); text-decoration: none;
  letter-spacing: .08em; text-transform: uppercase; transition: color .2s;
}
.site-nav .nav-links a:hover,
.site-nav .nav-links a.active { color: var(--accent); }

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border); padding: 1.5rem 2rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem;
}
.site-footer .footer-left {
  font-family: var(--mono); font-size: .68rem; color: var(--text-dim);
}
.site-footer .footer-right {
  font-family: var(--mono); font-size: .68rem; color: var(--text-dim);
}
.site-footer a { color: var(--accent2); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

/* ── IMPRESSUM ── */
.impressum-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
@media (max-width: 600px) { .impressum-grid { grid-template-columns: 1fr; } }
.imp-block h3 {
  font-family: var(--mono); font-size: .75rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: .75rem;
}
.imp-block p, .imp-block address {
  font-size: .88rem; color: var(--text-dim); font-style: normal; line-height: 1.8;
}
.imp-block a { color: var(--accent2); text-decoration: none; }
.imp-block a:hover { color: var(--accent); }
.imp-disclaimer {
  margin-top: 2rem; padding: 1rem 1.25rem;
  border-left: 2px solid var(--border); font-size: .82rem; color: var(--text-dim);
}

/* ── TYPOGRAPHY ── */
.eyebrow {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .2em;
  color: var(--accent); text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: .75rem;
}
.eyebrow::before {
  content: ''; display: inline-block;
  width: 32px; height: 1px; background: var(--accent);
}

h1 {
  font-family: var(--mono);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 600; color: var(--text-head);
  line-height: 1.15; margin-bottom: 1.5rem; letter-spacing: -.02em;
}
h1 .accent { color: var(--accent); }

h2 {
  font-family: var(--mono); font-size: 1.5rem; font-weight: 600;
  color: var(--text-head); margin-bottom: 1rem; letter-spacing: -.01em;
}

.section-label {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .2em;
  color: var(--accent); text-transform: uppercase; margin-bottom: .6rem;
}
.section-lead {
  color: var(--text-dim); font-weight: 300;
  margin-bottom: 3rem; max-width: 600px;
}

/* ── CARDS ── */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.card {
  background: var(--bg); border: 1px solid var(--border);
  padding: 1.5rem; transition: border-color .2s;
}
.card:hover { border-color: var(--accent2); }
.card-icon { font-size: 1.4rem; margin-bottom: .75rem; }
.card h3 {
  font-family: var(--mono); font-size: .85rem; font-weight: 600;
  color: var(--text-head); margin-bottom: .5rem; letter-spacing: .03em;
}
.card p { font-size: .88rem; color: var(--text-dim); line-height: 1.6; }

/* ── NETWORK ARCH ── */
.arch-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (max-width: 780px) { .arch-grid { grid-template-columns: 1fr; } }
.arch-block { border: 1px solid var(--border); background: var(--surface); padding: 1.5rem; }
.arch-block-title {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .15em;
  text-transform: uppercase; margin-bottom: 1rem;
  padding-bottom: .5rem; border-bottom: 1px solid var(--border);
}
.arch-block-title.pub  { color: var(--orange); border-bottom-color: var(--orange); }
.arch-block-title.lab  { color: var(--green);  border-bottom-color: var(--green); }
.arch-block-title.saas { color: var(--accent2); border-bottom-color: var(--accent2); }
.node-list { list-style: none; }
.node-list li {
  display: flex; align-items: flex-start; gap: .75rem;
  padding: .5rem 0; border-bottom: 1px solid var(--border); font-size: .85rem;
}
.node-list li:last-child { border-bottom: none; }
.node-dot { width: 6px; height: 6px; border-radius: 50%; margin-top: .45rem; flex-shrink: 0; }
.node-dot.pub  { background: var(--orange); }
.node-dot.lab  { background: var(--green); }
.node-dot.saas { background: var(--accent2); }
.node-name { color: var(--text-head); font-family: var(--mono); font-size: .8rem; }
.node-desc { color: var(--text-dim); font-size: .8rem; }

/* ── WG CALLOUT ── */
.wg-callout {
  border: 1px solid var(--border); background: var(--surface);
  padding: 1rem 1.25rem; margin-bottom: 2rem;
  display: flex; align-items: flex-start; gap: .75rem;
}
.wg-callout-title {
  font-family: var(--mono); font-size: .75rem; color: var(--accent);
  font-weight: 600; margin-bottom: .25rem; letter-spacing: .05em;
}
.wg-callout-body { font-size: .83rem; color: var(--text-dim); line-height: 1.6; }

/* ── DIAGRAM ── */
.diagram-box { border: 1px solid var(--border); background: var(--surface); padding: 2rem; text-align: center; }
.diagram-box img { max-width: 100%; display: block; margin: 0 auto; }
.static-diagram { width: 100%; max-width: 960px; margin: 0 auto; display: block; }
.diagram-meta {
  font-family: var(--mono); font-size: .65rem; color: var(--text-dim);
  margin-top: 1rem; letter-spacing: .06em;
}

/* ── BUTTONS ── */
.btn-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  font-family: var(--mono); font-size: .78rem;
  letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  padding: .65rem 1.4rem; border: 1px solid var(--accent);
  color: var(--accent); background: transparent; transition: background .2s, color .2s; cursor: pointer;
}
.btn:hover { background: var(--accent); color: var(--bg); }
.btn.ghost { border-color: var(--border); color: var(--text-dim); }
.btn.ghost:hover { border-color: var(--text-dim); color: var(--text); background: transparent; }
.badge-row { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 3rem; }
.badge {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .06em;
  padding: .3rem .75rem; border: 1px solid var(--border);
  border-radius: 2px; color: var(--text-dim); background: var(--surface);
}
.badge.hi { border-color: var(--accent2); color: var(--accent); }

/* ── NAMING PAGE ── */
.page { max-width: 900px; margin: 0 auto; padding: 4rem 2rem 6rem; }
.schema {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 1.5rem 2rem; margin-bottom: 3rem; font-family: var(--mono);
}
.schema-line { font-size: 1.1rem; color: var(--text-head); letter-spacing: .04em; margin-bottom: .75rem; }
.schema-line .seg { color: var(--accent); }
.schema-line .sep { color: var(--text-dim); }
.schema-line .opt { color: var(--orange); }
.schema-annotation { display: flex; flex-wrap: wrap; gap: .5rem 2rem; font-size: .72rem; color: var(--text-dim); }
.schema-annotation .key { color: var(--accent); }

.example-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1rem; margin-bottom: 3rem; }
.example-card { background: var(--surface); border: 1px solid var(--border); padding: 1.25rem 1.5rem; }
.example-hostname { font-family: var(--mono); font-size: .95rem; font-weight: 600; color: var(--accent); margin-bottom: .5rem; }
.example-desc { font-size: .82rem; color: var(--text-dim); line-height: 1.6; }
.example-desc strong { color: var(--text); font-weight: 600; }

/* ── SORTABLE TABLE ── */
.conv-table-wrap { overflow-x: auto; margin-bottom: 2.5rem; }
.conv-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.conv-table th {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-dim); text-align: left;
  padding: .5rem .75rem; border-bottom: 1px solid var(--border);
  cursor: pointer; user-select: none; white-space: nowrap;
}
.conv-table th:hover { color: var(--accent); }
.conv-table th .sort-icon { margin-left: .3em; opacity: .4; font-style: normal; }
.conv-table th.sorted-asc  .sort-icon,
.conv-table th.sorted-desc .sort-icon { opacity: 1; color: var(--accent); }
.conv-table td { padding: .6rem .75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.conv-table tr:last-child td { border-bottom: none; }
.conv-table tbody tr:hover td { background: var(--surface); }
.code { font-family: var(--mono); font-size: .82rem; color: var(--accent); font-weight: 600; white-space: nowrap; }
.code.orange { color: var(--orange); }
.code.green  { color: var(--green); }
.text-dim { color: var(--text-dim); font-size: .82rem; }
.callout {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--orange);
  padding: 1rem 1.25rem; font-size: .85rem; color: var(--text-dim); margin-bottom: 2rem;
}
.callout strong { color: var(--text); }

/* ── SECTION ── */
section { padding: 5rem 2rem; }
.section-inner { max-width: 960px; margin: 0 auto; }
#about { background: var(--surface); }
#impressum { background: var(--surface); }

/* ── HERO ── */
#home {
  min-height: 92vh; display: flex; flex-direction: column; justify-content: center;
  padding: 4rem 2rem 2rem; max-width: 960px; margin: 0 auto;
}
.hero-desc {
  font-size: 1rem; color: var(--text); font-weight: 300;
  max-width: 620px; margin-bottom: 2.5rem;
  border-left: 2px solid var(--accent2); padding-left: 1.25rem;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up  { animation: fadeUp .6s ease both; }
.delay-1  { animation-delay: .1s; }
.delay-2  { animation-delay: .25s; }
.delay-3  { animation-delay: .4s; }
.delay-4  { animation-delay: .55s; }