/* Esimerkkisivusto — kuvitteellinen LVI-yritys. Oma tyylitiedosto, ei jaettu
   archbotics.com:in kanssa: asiakkaan sivu ei ole meidän sivumme kopio. */
:root {
  --paper: #ffffff;
  --tint: #f2f5f8;
  --ink: #101a24;
  --muted: #4c5a68;
  --line: #dde4ea;
  --brand: #14395c;
  --brand-dark: #0d2942;
  --hot: #c2571b;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--paper); line-height: 1.6; }
.wrap { width: min(100% - 2.5rem, 1080px); margin-inline: auto; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.025em; margin: 0 0 0.5rem; }
h1 { font-size: clamp(2rem, 1.3rem + 3vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1rem; }
a { color: var(--brand); }

.demo-banner {
  background: #2b2b2b; color: #fff; font-size: 0.82rem; letter-spacing: 0.02em;
  padding: 0.5rem 0; text-align: center;
}
.demo-banner a { color: #ffd9a8; }

.top { border-bottom: 1px solid var(--line); background: #fff; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 76px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; color: var(--brand); text-decoration: none; }
.logo span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 8px; background: var(--brand); color: #fff; font-size: 0.95rem; }
.top nav { display: flex; gap: 1.25rem; font-size: 0.92rem; font-weight: 600; }
.top nav a { color: var(--muted); text-decoration: none; }
.top .call { background: var(--hot); color: #fff; padding: 0.6rem 1.1rem; border-radius: 6px; text-decoration: none; font-weight: 700; font-size: 0.95rem; }

.hero { background: linear-gradient(180deg, var(--tint), #fff); padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 3.5rem); }
.hero .wrap { display: grid; gap: 2rem; }
@media (min-width: 56rem) { .hero .wrap { grid-template-columns: 1.1fr 0.9fr; align-items: center; } }
.hero p.big { font-size: 1.15rem; color: var(--muted); max-width: 46ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.btn { display: inline-block; padding: 0.85rem 1.4rem; border-radius: 6px; font-weight: 700; text-decoration: none; }
.btn-hot { background: var(--hot); color: #fff; }
.btn-line { border: 2px solid var(--brand); color: var(--brand); }
.badges { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; padding: 1.5rem 0 0; margin: 1.5rem 0 0; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--muted); }
.badges li::before { content: "✓"; color: var(--hot); font-weight: 700; margin-right: 0.4rem; }
.hero-card { background: var(--brand); color: #fff; border-radius: 12px; padding: 1.75rem; }
.hero-card h2 { font-size: 1.2rem; }
.hero-card p { color: #cfe0ef; font-size: 0.95rem; }
.hero-card .num { display: block; font-size: 1.9rem; font-weight: 700; letter-spacing: -0.03em; margin: 0.5rem 0; }
.hero-card a { color: #fff; }

section { padding: clamp(2.5rem, 6vw, 4rem) 0; }
.tint { background: var(--tint); }
.grid3 { display: grid; gap: 1.25rem; margin-top: 2rem; }
@media (min-width: 50rem) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 1.5rem; }
.card p { color: var(--muted); font-size: 0.95rem; margin: 0; }
.card .ico { width: 42px; height: 42px; border-radius: 9px; background: #e7eef5; color: var(--brand); display: grid; place-items: center; margin-bottom: 0.9rem; }
.two { display: grid; gap: 2rem; }
@media (min-width: 50rem) { .two { grid-template-columns: 1fr 1fr; } }
.facts { list-style: none; padding: 0; margin: 0; font-size: 0.95rem; }
.facts li { display: flex; gap: 0.75rem; padding: 0.6rem 0; border-bottom: 1px solid var(--line); }
.facts b { min-width: 8.5rem; color: var(--muted); font-weight: 600; }
.foot { background: var(--brand-dark); color: #b9cbdb; font-size: 0.88rem; padding: 2rem 0; }
.foot a { color: #fff; }