/* Calterra Systems — site styles (brand: brand/brand-guide.html) */
:root {
  --graphite: #14171C;
  --slate: #39414B;
  --bone: #EFEDE6;
  --paper: #F6F5F1;
  --rule: #CFCBBF;
  --pink: #F5218C;   /* APWA: temporary survey markings — company accent */
  --amber: #F4A100;  /* machine beacon — Grade + alerts only */
  --chalk: #FFFFFF;  /* APWA: proposed excavation — Model */
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--graphite);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  background: var(--graphite);
  position: sticky; top: 0; z-index: 10;
  border-bottom: 2px solid var(--pink);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px 28px;
  padding: 14px 24px; max-width: 1040px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand svg { display: block; }
.brand-name {
  color: var(--bone); font-weight: 800; font-size: 1.3rem;
  letter-spacing: 0.02em; text-transform: uppercase;
}
.brand-name span { font-weight: 300; }
nav.links { display: flex; gap: 22px; flex-wrap: wrap; }
nav.links a {
  color: var(--bone); text-decoration: none; font-size: 0.82rem;
  letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.85;
}
nav.links a:hover { opacity: 1; color: #fff; }

/* Hero */
.hero { background: var(--graphite); color: var(--bone); padding: 84px 0 96px; }
.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.6rem); line-height: 0.98; max-width: 780px;
  font-weight: 800; letter-spacing: -0.03em; text-transform: uppercase;
}
.hero h1 em { color: var(--pink); font-style: normal; }
.hero p.lede { margin-top: 24px; font-size: 1.1rem; max-width: 640px; color: #9AA3AE; }
.hero .cta {
  margin-top: 36px; display: inline-block; background: var(--pink); color: #fff;
  padding: 14px 28px; text-decoration: none; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.9rem;
}
.hero .cta:hover { background: #d3186f; }
.badge {
  display: inline-block; border: 1px solid rgba(239,237,230,0.35);
  padding: 5px 14px; font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase;
  margin-bottom: 28px; opacity: 0.85;
}

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--bone); }
.kicker {
  color: var(--slate); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.2em; font-size: 0.75rem; display: block; margin-bottom: 10px;
}
h2 {
  font-size: 1.8rem; margin-bottom: 10px; font-weight: 800;
  letter-spacing: -0.02em; text-transform: uppercase;
}
.section-intro { color: var(--slate); max-width: 660px; margin-bottom: 36px; font-size: 0.98rem; }

/* Product cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(272px, 1fr)); gap: 18px; }
.card {
  background: #fff; border: 2px solid var(--graphite);
  display: flex; flex-direction: column;
}
.stage {
  aspect-ratio: 1 / 0.62; display: flex; align-items: center; justify-content: center;
  border-bottom: 2px solid var(--graphite); background: var(--graphite);
}
.stage svg { width: 40%; height: auto; }
.card .meta { padding: 18px 20px 20px; }
.card h3 {
  font-size: 1.25rem; font-weight: 800; letter-spacing: -0.015em;
  text-transform: uppercase; margin-bottom: 8px;
}
.card h3 span { font-weight: 300; }
.card .tag {
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 700; display: block; margin-bottom: 6px;
}
.card p.desc { color: var(--slate); font-size: 0.92rem; }
.card ul { margin: 12px 0 0 0; list-style: none; }
.card ul li {
  color: var(--slate); font-size: 0.9rem; padding: 6px 0 6px 18px; position: relative;
  border-top: 1px solid var(--rule);
}
.card ul li::before { content: ""; position: absolute; left: 0; top: 13px; width: 8px; height: 2px; background: var(--graphite); }
.card .status {
  display: inline-block; margin-top: 14px; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--slate);
  border: 1px solid var(--rule); padding: 4px 10px;
}

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-grid p { color: var(--slate); font-size: 0.97rem; }
.about-grid p + p { margin-top: 14px; }
@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } }

/* Contact */
.contact-box {
  background: var(--graphite); color: var(--bone); border: 2px solid var(--graphite);
  padding: 40px; display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; align-items: center;
}
.contact-box a { color: var(--pink); font-weight: 700; text-decoration: none; font-size: 1.1rem; }
.contact-box a:hover { text-decoration: underline; }

/* Footer */
footer { background: var(--graphite); color: #9AA3AE; padding: 34px 0; font-size: 0.85rem; border-top: 2px solid var(--pink); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; }
footer a { color: #9AA3AE; }
footer a:hover { color: var(--bone); }

/* Privacy page */
.doc { max-width: 760px; margin: 0 auto; padding: 64px 24px; }
.doc h1 { margin-bottom: 6px; font-weight: 800; letter-spacing: -0.02em; text-transform: uppercase; }
.doc .updated { color: var(--slate); margin-bottom: 32px; font-size: 0.9rem; }
.doc h2 { font-size: 1.1rem; margin: 28px 0 8px; }
.doc p { margin-bottom: 12px; color: var(--slate); }
.doc p a { color: var(--graphite); }