/* Red Beam Health — official brand (red / white / black) */
:root {
  --bg: #FFFFFF;
  --bg-soft: #F6F6F6;
  --card: #FFFFFF;
  --ink: #111111;
  --ink-muted: #5A5A5A;
  --accent: #DD0A04;
  --accent-hover: #B80803;
  --ember: #DD0A04;
  --ember-soft: #FCE8E7;
  --border: #E6E6E6;
  --ok: #2F6B4F;
  --radius: 14px;
  --shadow: 0 8px 28px rgba(17, 17, 17, 0.06);
  --max: 1080px;
  --font: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  --heading: "Outfit", "Source Sans 3", "Segoe UI", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
h1, h2, h3, h4 {
  font-family: var(--heading);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(1.85rem, 4vw, 2.55rem); margin: 0 0 0.75rem; }
h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); margin: 2.25rem 0 0.85rem; }
h3 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1.1rem; padding-left: 1.25rem; }
li { margin-bottom: 0.4rem; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.lede { font-size: 1.15rem; color: var(--ink-muted); max-width: 42rem; }
.muted { color: var(--ink-muted); }
.small { font-size: 0.92rem; }
.tiny { font-size: 0.82rem; color: var(--ink-muted); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #E6E6E6;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}
.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  line-height: 0;
}
a.logo img {
  height: 36px;
  width: auto;
  display: block;
}
a.logo::after {
  content: "";
  width: 22px;
  height: 26px;
  background: url("/images/beam-mark.svg") center / contain no-repeat;
  opacity: 0.95;
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
}
.site-nav { display: flex; align-items: center; gap: 0.15rem 1.1rem; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--accent); }

/* Hero */
.hero {
  padding: 2.75rem 0 2rem;
  background:
    radial-gradient(ellipse 70% 55% at 85% 0%, rgba(221, 10, 4, 0.06), transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 20%, rgba(221, 10, 4, 0.04), transparent 50%),
    var(--bg);
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 0.65rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.35rem; }

/* Buttons / CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.78rem 1.2rem;
  border-radius: 8px;
  font-weight: 650;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary {
  background: #fff;
  color: var(--ink);
  border-color: #111111;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-ember {
  background: var(--ember);
  color: #fff;
}
.btn-ember:hover { background: var(--accent-hover); color: #fff; }
.btn-block { width: 100%; }
.cta-note { font-size: 0.8rem; color: var(--ink-muted); margin-top: 0.45rem; }

/* Sticky CTA bar */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: rgba(255,255,255,0.95);
  border-top: 1px solid var(--border);
  padding: 0.7rem 1rem;
  display: none;
  box-shadow: 0 -6px 24px rgba(17,17,17,0.08);
}
.sticky-cta.is-visible { display: block; }
.sticky-cta-inner {
  width: min(100%, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.sticky-cta p { margin: 0; font-size: 0.92rem; font-weight: 600; }

/* Cards / grids */
.grid { display: grid; gap: 1.15rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: var(--ember-soft);
  color: var(--ember);
  white-space: nowrap;
}
.badge-muted {
  background: var(--bg-soft);
  color: var(--ink-muted);
}
.pick-number {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

/* Sections */
.section { padding: 2.25rem 0; }
.section-soft { background: var(--bg-soft); }
.section-divider { border-top: 1px solid var(--border); }

/* Tables */
.table-wrap { overflow-x: auto; margin: 1.25rem 0 1.5rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--card); }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  min-width: 560px;
}
th, td {
  padding: 0.75rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  background: var(--bg-soft);
  font-weight: 650;
  font-size: 0.88rem;
}
tr:last-child td { border-bottom: none; }

/* Callouts */
.callout {
  background: var(--ember-soft);
  border-left: 4px solid var(--ember);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.15rem;
  margin: 1.25rem 0;
}
.callout-warn {
  background: #FCE8E7;
  border-left-color: var(--accent);
}
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}
.pros, .cons {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.pros h4 { color: var(--ok); margin: 0 0 0.5rem; font-family: var(--font); font-size: 0.95rem; }
.cons h4 { color: var(--accent); margin: 0 0 0.5rem; font-family: var(--font); font-size: 0.95rem; }

/* FAQ */
.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1.05rem;
  margin-bottom: 0.65rem;
}
.faq summary {
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+";
  display: inline-block;
  width: 1.2rem;
  color: var(--accent);
  font-weight: 700;
}
.faq details[open] summary::before { content: "–"; }
.faq details p { margin: 0.65rem 0 0.15rem; color: var(--ink-muted); }

/* Path cards / hubs */
.path-list a.card {
  text-decoration: none;
  color: inherit;
  transition: border-color .15s, transform .1s;
  display: block;
}
.path-list a.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.path-list a.card h3 { color: var(--accent); }

/* Spec list */
.spec-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}
.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.spec-list li span:first-child { color: var(--ink-muted); }
.spec-list li span:last-child { font-weight: 600; text-align: right; }

/* Footer */
.site-footer {
  margin-top: 3rem;
  padding: 2.5rem 0 6rem;
  background: #000000;
  color: #C8C8C8;
}
.site-footer a { color: #FFFFFF; }
.site-footer a:hover { color: var(--accent); }
.footer-logo {
  max-width: 180px;
  width: 100%;
  height: auto;
  margin-bottom: 0.75rem;
  display: block;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.75rem;
  margin-bottom: 1.75rem;
}
.footer-brand {
  font-family: var(--heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
.footer-col h4 {
  font-family: var(--font);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #A0A0A0;
  margin: 0 0 0.7rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.4rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 1.15rem;
  font-size: 0.85rem;
  color: #A0A0A0;
}
.disclosure-line {
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

/* Article layout */
.article { padding: 2rem 0 1rem; }
.article-meta { font-size: 0.9rem; color: var(--ink-muted); margin-bottom: 1.25rem; }
.breadcrumb {
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--ink-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }

/* About / contact forms */
.form-note {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

/* Utility */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.stack-sm > * + * { margin-top: 0.65rem; }
.center { text-align: center; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}


/* Faint brand beams */
body::before {
  content: "";
  position: fixed;
  left: 50%;
  top: 50%;
  width: min(380px, 58vw);
  height: min(456px, 70vw);
  transform: translate(-50%, -50%);
  background: url("/images/beam-mark.svg") center / contain no-repeat;
  opacity: 0.035;
  pointer-events: none;
  z-index: 0;
}
.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}
.site-header { z-index: 50; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.eyebrow::before {
  content: "";
  width: 13px;
  height: 16px;
  background: url("/images/beam-mark.svg") center / contain no-repeat;
  opacity: 0.72;
  flex-shrink: 0;
}
.site-footer {
  position: relative;
  overflow: hidden;
}
.site-footer::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -36px;
  width: 260px;
  height: 312px;
  background: url("/images/beam-mark.svg") center / contain no-repeat;
  opacity: 0.14;
  pointer-events: none;
}
.site-footer .container { position: relative; z-index: 1; }
.callout {
  position: relative;
}
.callout::before {
  content: "";
  position: absolute;
  left: 0.7rem;
  top: 1.05rem;
  width: 12px;
  height: 15px;
  background: url("/images/beam-mark.svg") center / contain no-repeat;
  opacity: 0.45;
  pointer-events: none;
}
.callout { padding-left: 2.15rem; }

@media (max-width: 820px) {
  .grid-2, .grid-3, .pros-cons, .footer-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.5rem 0 0.75rem;
    gap: 0.65rem;
  }
  .site-nav.is-open { display: flex; }
  .header-inner { flex-wrap: wrap; }
  .sticky-cta.is-visible { display: block; }
}

@media (min-width: 821px) {
  .sticky-cta { display: none !important; }
}