/* RCS Innovations LLC - site styles. Plain CSS, no build step. */
:root {
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --text: #1a1f29;
  --muted: #5a6475;
  --border: #e2e6ec;
  /* Brand colors from assets/logo: navy #1E3A5F, orange #F08A3C, cream #F6F2EA, ink #15181E. */
  --accent: #1e3a5f;        /* logo navy: 11.6:1 on white */
  --accent-text: #ffffff;
  --accent-soft: #eaeff5;
  --brand-orange: #f08a3c;  /* decorative only in light mode (too light for text on white) */
  --max: 64rem;
  --radius: 10px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181e;          /* logo ink */
    --bg-alt: #1b1f27;
    --text: #f6f2ea;        /* logo cream */
    --muted: #a3abb8;
    --border: #2c323d;
    --accent: #f08a3c;      /* logo orange: 7.1:1 on --bg */
    --accent-text: #15181e;
    --accent-soft: #2b2119;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
.narrow { max-width: 46rem; }

/* Header */
.site-header { border-bottom: 1px solid var(--border); }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; padding-top: 1rem; padding-bottom: 1rem;
}
.brand { display: inline-flex; align-items: center; line-height: 0; }
.brand picture { display: block; }
.brand img { display: block; height: 38px; width: auto; }
@media (max-width: 34rem) { .brand img { height: 30px; } }
.nav { display: flex; gap: 0.35rem 1.25rem; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

/* Hero */
.hero { padding: 4.5rem 0 3.5rem; }
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin: 0 0 1rem;
  letter-spacing: -0.02em; max-width: 20ch;
}
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 40rem; margin: 0 0 2rem; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2.5rem; align-items: center; }
.hero-logo img { display: block; width: clamp(13rem, 24vw, 17rem); height: auto; }
@media (max-width: 52rem) { .hero-grid { grid-template-columns: 1fr; } .hero-logo { display: none; } }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 0.75rem; }

.btn {
  display: inline-block; background: var(--accent); color: var(--accent-text);
  padding: 0.75rem 1.25rem; border-radius: var(--radius); text-decoration: none; font-weight: 600;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--accent); border: 1px solid var(--border); margin-left: 0.5rem; }

/* Sections */
section { padding: 3rem 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h2 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 1rem; letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; margin: 0 0 0.5rem; }

.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem 1.25rem 1rem; }
.card p { margin: 0; color: var(--muted); }

ol.steps { padding-left: 1.25rem; margin: 0; }
ol.steps li { margin-bottom: 0.75rem; }

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 0; }
.tags li { background: var(--accent-soft); color: var(--text); border-radius: 999px; padding: 0.3rem 0.85rem; font-size: 0.95rem; }

/* Legal pages */
.legal { padding: 3rem 0 4rem; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin: 0 0 0.25rem; letter-spacing: -0.02em; }
.legal .updated { color: var(--muted); margin: 0 0 2rem; }
.legal h2 { font-size: 1.3rem; margin: 2.25rem 0 0.75rem; padding-top: 0.5rem; }
.legal h3 { margin-top: 1.5rem; }
.legal ul { padding-left: 1.25rem; }
.legal li { margin-bottom: 0.35rem; }
.callout {
  border-left: 4px solid var(--brand-orange, var(--accent)); background: var(--accent-soft);
  padding: 0.9rem 1.1rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.25rem 0;
}
.toc { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 2rem; }
.toc ul { margin: 0.25rem 0 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 2rem 0; color: var(--muted); font-size: 0.92rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; gap: 1.25rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }

@media (max-width: 34rem) {
  .hero { padding: 3rem 0 2.5rem; }
  .btn-ghost { margin-left: 0; margin-top: 0.5rem; }
}

/* Products */
a.card { display: block; color: var(--text); text-decoration: none; }
a.card:hover { border-color: var(--accent); }
a.card .more { display: inline-block; margin-top: 0.75rem; color: var(--accent); font-weight: 600; }
.card.soon { background: transparent; border-style: dashed; }
.badge {
  display: inline-block; vertical-align: middle; background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--accent); border-radius: 999px; padding: 0.1rem 0.6rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.hero .badge { margin-bottom: 0.75rem; }
.note { color: var(--muted); font-size: 0.98rem; margin: 0 0 2rem; }
.cta { background: var(--accent-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem 1.5rem 1.25rem; }
.cta h2 { margin-top: 0; }
.cta p:last-child { margin-bottom: 0; }
.contact-lines { list-style: none; padding: 0; margin: 0 0 1rem; }
.contact-lines li { margin-bottom: 0.25rem; }