/* Helm marketing site — static pages, no JS required */

:root {
  --surface:  #0c1017;
  --raised:   #141a26;
  --border:   #232d40;
  --ink:      #e8ecf5;
  --muted:    #99a4bd;
  --faint:    #5f6b84;
  --accent:   #4c8dff;
  --ok:       #45d69e;
  --font-ui:   "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-read: "Spectral", ui-serif, Georgia, serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 550px at 80% -10%, rgba(76,141,255,0.08), transparent 60%),
    var(--surface);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
}

.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* header */
.site-head {
  border-bottom: 1px solid var(--border);
  background: rgba(14, 19, 30, 0.85);
}
.site-head .wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  height: 60px;
}
.logo {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.logo::before {
  content: "";
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px 1px rgba(76,141,255,0.7);
}
.logo:hover { text-decoration: none; }
.site-nav { display: flex; gap: 18px; margin-left: auto; }
.site-nav a { color: var(--muted); font-size: 14px; }
.site-nav a:hover { color: var(--ink); }
.btn-app {
  background: linear-gradient(180deg, #5a97ff, var(--accent));
  color: #071018 !important;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 14px;
}
.btn-app:hover { text-decoration: none; filter: brightness(1.08); }

/* hero + sections */
.hero { padding: 72px 0 40px; }
.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 640px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), #ac8dff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p { font-size: 19px; color: var(--muted); max-width: 620px; margin: 0 0 26px; }

section { padding: 34px 0; }
h2 { font-size: 24px; letter-spacing: -0.01em; margin: 0 0 12px; }
h3 { font-size: 17px; margin: 0 0 6px; }
p  { color: var(--muted); }
.page h1 { font-size: 32px; letter-spacing: -0.02em; margin: 48px 0 6px; }
.page .updated { color: var(--faint); font-size: 14px; margin-bottom: 28px; }
.page h2 { font-size: 20px; margin-top: 34px; }
.page p, .page li { color: var(--muted); }
.page { padding-bottom: 40px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 10px;
}
.card {
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.card h3 { color: var(--ink); }
.card p { font-size: 14.5px; margin: 0; }

blockquote {
  font-family: var(--font-read);
  font-size: 19px;
  color: var(--ink);
  border-left: 3px solid var(--accent);
  margin: 0;
  padding: 4px 0 4px 20px;
}

/* footer */
.site-foot {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 28px 0 40px;
  font-size: 14px;
  color: var(--faint);
}
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: baseline; }
.site-foot a { color: var(--muted); }

@media (max-width: 600px) {
  .hero h1 { font-size: 30px; }
  .hero { padding: 44px 0 24px; }
  .site-nav { gap: 12px; }
}