/* RefrigSense landing page — single stylesheet, no frameworks, no external
   fonts. Brand colors sampled from the v7 logo PNGs per the copy manifest:
   navy #1F3551, blue #2E75B6, orange #E0911E. */

:root {
  --navy: #1F3551;
  --blue: #2E75B6;
  --orange: #E0911E;
  --ink: #222222;
  --paper: #FFFFFF;
  --soft: #F4F7FA;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

img { max-width: 100%; height: auto; }

.site-header {
  max-width: 60rem;
  margin: 0 auto;
  padding: 1.1rem 1.25rem;
}
.site-header .logo { display: block; }

main { max-width: 60rem; margin: 0 auto; padding: 0 1.25rem; }

/* --- Hero ----------------------------------------------------------- */
.hero { padding: 2.5rem 0 2rem; text-align: center; }
.hero h1 {
  color: var(--navy);
  font-size: clamp(2rem, 6vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}
.subhead {
  max-width: 44rem;
  margin: 0 auto 1.6rem;
  font-size: 1.12rem;
}
.cta-row {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1.05rem;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--navy); }
.btn-secondary { border: 2px solid var(--blue); color: var(--blue); }
.btn-secondary:hover { border-color: var(--navy); color: var(--navy); }
.trust-line { margin-top: 1rem; font-size: 0.92rem; opacity: 0.75; }

/* --- Stat strip ------------------------------------------------------ */
.stat-strip {
  background: var(--soft);
  border-top: 3px solid var(--orange);
  border-radius: 8px;
  padding: 1.4rem 1.5rem 1.1rem;
  margin: 0 0 2.5rem;
}
.stat-label { margin: 0 0 1rem; color: var(--navy); }
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.stat p { margin: 0; }
.stat-big { color: var(--orange); font-size: 2rem; line-height: 1; }
.stat-caption { margin: 1.1rem 0 0; font-size: 0.9rem; opacity: 0.8; }
.stat-caption a { color: var(--blue); }

/* --- Sections -------------------------------------------------------- */
.section { padding: 1.6rem 0; max-width: 46rem; margin: 0 auto; }
.section h2 {
  color: var(--navy);
  font-size: 1.55rem;
  line-height: 1.25;
  margin: 0 0 0.7rem;
}
.section p a { color: var(--blue); }

.pieces { padding-left: 1.3rem; margin: 0; }
.pieces li { margin-bottom: 0.8rem; }
.pieces li::marker { color: var(--orange); font-weight: 700; }
.pieces strong { color: var(--navy); }

.pilot { text-align: center; padding-bottom: 3rem; }
.pilot p { text-align: left; }

/* --- Footer ---------------------------------------------------------- */
.site-footer {
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 2.2rem 1.25rem 1.8rem;
}
.site-footer .logo-footer { margin-bottom: 0.8rem; }
.site-footer p { margin: 0.25rem 0; }
.site-footer a { color: #A9C9E8; }
.copyright { font-size: 0.85rem; opacity: 0.7; margin-top: 0.8rem; }

/* --- Phone width ------------------------------------------------------ */
@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr; gap: 0.9rem; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .btn { text-align: center; }
  .site-header .logo { width: 200px; }
  .hero { padding-top: 1.6rem; }
}