/* Holdline Systems, holdlinesystems.com
   Palette and glyph geometry match branding/holdline-art-post.svg and
   branding/render_icons.py. Dark-only by design: this is the brand's
   look, not a theme. */

:root {
  --dark:   #0E0E10;
  --grid:   #1A1A1D;
  --field:  #2B3A2A;
  --bone:   #E8E6E1;
  --muted:  #A8A49C;
  --meta:   #5A5752;
  --signal: #F2A516;
  --line:   #24242A;
  --stack: "Arial Black", "Helvetica Neue", -apple-system, "Segoe UI",
           Roboto, Arial, sans-serif;
  --body:  -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
           sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background-color: var(--dark);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--bone);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

body::after {           /* vignette, same as the brand poster */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg,
              rgba(14,14,16,0) 0%, rgba(0,0,0,0.55) 100%);
}

.wrap { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */

header {
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--bone);
}

.brand svg { display: block; width: 34px; height: 34px; border-radius: 8px; }

.brand span {
  font-family: var(--stack);
  font-weight: 900;
  letter-spacing: 2px;
  font-size: 15px;
}

.nav-btn {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid var(--signal);
  border-radius: 2px;
  color: var(--signal);
  text-decoration: none;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-btn:hover, .nav-btn:focus-visible { background: var(--signal); color: var(--dark); }

.nav-btn.here { background: var(--signal); color: var(--dark); }

/* ---------- hero ---------- */

main { position: relative; z-index: 2; flex: 1 0 auto; }

.hero { text-align: center; padding: 84px 0 72px; }

.mark {
  width: 132px; height: 132px;
  border-radius: 30px;
  display: block;
  margin: 0 auto 34px;
}

h1 {
  font-family: var(--stack);
  font-weight: 900;
  font-size: clamp(44px, 11vw, 104px);
  letter-spacing: clamp(4px, 1.2vw, 12px);
  line-height: 1;
  margin: 0;
  text-transform: uppercase;
}

.rule { width: 200px; height: 2px; background: var(--signal); margin: 30px auto 24px; border: 0; }

.tagline {
  color: var(--muted);
  font-size: clamp(13px, 2.6vw, 20px);
  letter-spacing: clamp(2px, 0.8vw, 7px);
  text-transform: uppercase;
  font-weight: 500;
  margin: 0;
}

.sub {
  color: var(--meta);
  max-width: 620px;
  margin: 26px auto 0;
  font-size: 15px;
  line-height: 1.7;
  letter-spacing: 0.2px;
}

/* ---------- buttons ---------- */

.cta { margin-top: 40px; }

.btn {
  display: inline-block;
  background: var(--signal);
  color: var(--dark);
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 18px 40px;
  border-radius: 2px;
}

.btn:hover, .btn:focus-visible { filter: brightness(1.12); }

.btn-meta {
  display: block;
  margin-top: 14px;
  color: var(--meta);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ---------- content blocks ---------- */

.section { padding: 0 0 80px; }

.eyebrow {
  color: var(--meta);
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 22px;
}

.panel {
  border: 1px solid var(--line);
  background: rgba(14, 14, 16, 0.72);
  padding: 30px;
  border-radius: 3px;
}

.panel h2 {
  font-family: var(--stack);
  font-weight: 900;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 20px;
  margin: 0 0 8px;
}

.panel p { color: var(--muted); line-height: 1.7; margin: 0 0 18px; font-size: 15px; }

.steps { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.9; font-size: 15px; }

.steps strong { color: var(--bone); font-weight: 700; }

.spec {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.spec li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding: 13px 0;
  font-size: 13px;
  letter-spacing: 1px;
}

.spec .k { color: var(--meta); text-transform: uppercase; }
.spec .v { color: var(--bone); font-weight: 700; }

.note {
  color: var(--meta);
  font-size: 13px;
  line-height: 1.7;
  border-left: 2px solid var(--field);
  padding-left: 14px;
  margin: 24px 0 0;
}

/* ---------- footer ---------- */

footer {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  border-top: 1px solid var(--line);
  padding: 22px 0 30px;
}

.foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--meta);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.foot a { color: var(--meta); text-decoration: none; }
.foot a:hover { color: var(--signal); }

@media (max-width: 620px) {
  .hero { padding: 56px 0 48px; }
  .mark { width: 104px; height: 104px; border-radius: 24px; }
  .brand span { font-size: 13px; }
  .nav-btn { padding: 9px 14px; letter-spacing: 2px; }
  .panel { padding: 22px; }
}