/* Rackd marketing site — dark, warm, rack-unit themed. */
:root {
  --bg: #14110d;
  --bg-2: #1a1610;
  --panel: #1f1a13;
  --panel-2: #261f17;
  --border: #342b20;
  --text: #ece6da;
  --faint: #9c907c;
  --amber: #f0a23c;
  --amber-2: #e8932a;
  --ok: #5fb87a;
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-2); }

code, .mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---- nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(20, 17, 13, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav .wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand .dot {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--amber), var(--amber-2));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #1a1610;
  font-weight: 800;
  font-size: 13px;
}
.nav .links { margin-left: auto; display: flex; gap: 22px; align-items: center; }
.nav .links a { color: var(--faint); font-size: 14px; font-weight: 500; }
.nav .links a:hover { color: var(--text); }

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.12s ease;
}
.btn:hover { background: #2e2619; color: var(--text); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--amber), var(--amber-2));
  border-color: transparent;
  color: #1a1610;
}
.btn-primary:hover { filter: brightness(1.06); color: #1a1610; }
.btn-lg { padding: 14px 26px; font-size: 15px; }

/* ---- hero ---- */
.hero {
  padding: 88px 0 64px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(620px 280px at 50% -40px, rgba(240, 162, 60, 0.12), transparent);
}
.hero .tagline {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 13px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: 50px;
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 720px;
  margin: 0 auto 18px;
}
.hero h1 .amber { color: var(--amber); }
.hero p.lead {
  font-size: 18px;
  color: var(--faint);
  max-width: 560px;
  margin: 0 auto 30px;
}
.hero .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .note { margin-top: 16px; font-size: 13px; color: var(--faint); }

/* ---- sections ---- */
section { padding: 72px 0; border-bottom: 1px solid var(--border); }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 {
  font-size: 32px;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.section-head p { color: var(--faint); font-size: 16px; }

/* ---- feature grid ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.feature .ico {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 13px;
}
.feature h3 { font-size: 16px; margin-bottom: 6px; }
.feature p { color: var(--faint); font-size: 14px; }

/* ---- pricing ---- */
.prices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: start;
}
.price {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.price.featured {
  border-color: var(--amber);
  box-shadow: 0 0 0 1px var(--amber), 0 18px 50px -20px rgba(240, 162, 60, 0.4);
}
.price .pill {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
}
.price h3 { font-size: 21px; margin: 6px 0 4px; }
.price .amount { font-size: 40px; font-weight: 800; letter-spacing: -0.03em; }
.price .amount small { font-size: 14px; font-weight: 500; color: var(--faint); }
.price .sub { color: var(--faint); font-size: 13px; margin-bottom: 18px; }
.price ul { list-style: none; margin: 18px 0 22px; }
.price li {
  padding: 7px 0;
  font-size: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 9px;
}
.price li:first-child { border-top: none; }
.price li::before { content: "✓"; color: var(--ok); font-weight: 700; }
.price li.off { color: var(--faint); }
.price li.off::before { content: "—"; color: var(--border); }
.price .btn { width: 100%; justify-content: center; }

/* ---- promise strip ---- */
.promise {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.promise div {
  text-align: center;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.promise .big { font-size: 20px; font-weight: 700; color: var(--amber); }
.promise .small { font-size: 13px; color: var(--faint); margin-top: 4px; }

/* ---- docs ---- */
.doc { display: grid; grid-template-columns: 200px 1fr; gap: 40px; padding: 48px 0; }
.doc-nav { position: sticky; top: 80px; align-self: start; }
.doc-nav a {
  display: block;
  padding: 6px 0;
  color: var(--faint);
  font-size: 14px;
}
.doc-nav a:hover { color: var(--text); }
.doc-body h2 {
  font-size: 24px;
  margin: 36px 0 12px;
  padding-top: 12px;
  letter-spacing: -0.02em;
}
.doc-body h2:first-child { margin-top: 0; }
.doc-body h3 { font-size: 17px; margin: 22px 0 8px; }
.doc-body p { color: #d2cbbd; margin-bottom: 12px; }
.doc-body ol, .doc-body ul { margin: 0 0 14px 22px; color: #d2cbbd; }
.doc-body li { margin-bottom: 6px; }
.doc-body code {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 13px;
  color: var(--amber);
}
.callout {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 14px 0;
  font-size: 14px;
  color: #d2cbbd;
}

/* ---- footer ---- */
footer { padding: 40px 0; }
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
footer .links { display: flex; gap: 20px; }
footer .links a { color: var(--faint); font-size: 14px; }
footer .copy { color: var(--faint); font-size: 13px; }

/* ---- responsive ---- */
@media (max-width: 800px) {
  .hero h1 { font-size: 36px; }
  .features, .prices, .promise { grid-template-columns: 1fr; }
  .doc { grid-template-columns: 1fr; }
  .doc-nav { position: static; }
  .nav .links a:not(.btn) { display: none; }
}