/* Fast, plain, and legible on a cracked phone in a yard with no water.
   No webfonts: the caller is in a hurry and often on rural signal, and a
   render-blocking font request buys nothing a system stack does not. */
*{box-sizing:border-box}
:root{
  --ink:#14201c; --muted:#4d5c57; --line:#d7e0dc; --bg:#fff; --soft:#f2f6f4;
  --brand:#0f4c3a; --urgent:#9c3a10;
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.6;
  font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:10}

/* One measure, shared by the header, the body and the footer. Without it the
   header runs edge to edge while the text sits in a column in the middle, and
   at desktop width nothing lines up with anything. */
:root{--measure:44rem}
.row{max-width:var(--measure);margin:0 auto;padding:0 18px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.top{padding:14px 0;border-bottom:1px solid var(--line);
  position:sticky;top:0;background:var(--bg);z-index:5}
.brand{font-weight:700;color:var(--brand);text-decoration:none;font-size:18px}

/* The call button is the product. It is always visible, always first, and
   sized for a thumb rather than a mouse. */
.call{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;
  font-weight:700;padding:11px 16px;border-radius:6px;white-space:nowrap}
.call:active{background:#0b3a2c}
.call.big{font-size:21px;padding:16px 26px}

main{max-width:var(--measure);margin:0 auto;padding:34px 18px 8px}
h1{font-size:clamp(26px,5.2vw,36px);line-height:1.18;margin:0 0 12px}
h2{font-size:22px;line-height:1.25;margin:34px 0 10px}
h3{font-size:18px;margin:24px 0 8px}
p,li{max-width:38rem}
ul,ol{padding-left:22px}
li{margin-bottom:8px}
a{color:var(--brand)}
.lede{font-size:19px;color:var(--muted)}

/* Used where the page has to say "stop and ring somebody" rather than
   "here is some more information". */
.urgent{border-left:4px solid var(--urgent);background:#fdf5f1;
  padding:14px 16px;border-radius:0 6px 6px 0;margin:22px 0}
.urgent p{margin:0}
.note{background:var(--soft);padding:14px 16px;border-radius:6px;margin:22px 0}
.note p{margin:0}
.steps{counter-reset:s;list-style:none;padding-left:0}
.steps li{counter-increment:s;position:relative;padding-left:38px;margin-bottom:14px}
.steps li::before{content:counter(s);position:absolute;left:0;top:1px;
  width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;
  font-weight:700;font-size:14px;display:grid;place-items:center}
.src{font-size:14px;color:var(--muted)}

.cta{background:var(--soft);border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);padding:26px 0;margin-top:44px}
/* max-width unset deliberately: the global p rule caps paragraphs at 38rem,
   which stranded this line on the left while the button centred on the page. */
.cta-line{margin:0;font-size:20px;font-weight:600;max-width:none}

.foot{max-width:var(--measure);margin:0 auto;padding:26px 18px 48px;color:var(--muted);font-size:15px}
.disclosure{background:var(--soft);padding:13px 15px;border-radius:6px;margin:0 0 16px}
.foot-nav{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:14px}
.small{font-size:14px;margin:0}

/* Desktop. The narrow measure is right for reading and wrong on its own in a
   wide viewport, so the page gets a little more room and the type a little more
   size rather than leaving a column stranded in white space. */
@media (min-width:900px){
  :root{--measure:52rem}
  body{font-size:18px}
  h1{font-size:40px}
  main{padding-top:44px}
  p,li{max-width:44rem}
}
/* The call button stacks under the brand on narrow phones rather than
   squeezing both onto one line. */
@media (max-width:430px){
  .row{gap:10px}
  .top .call{width:100%;text-align:center}
}

/* A permanent call target on phones.
   The caller has no water and is one-handed in a yard. The benchmark for this
   trade is that phone leads convert at 46 percent against 7.8 percent overall,
   so the number should never be more than a thumb away, and a page they have
   scrolled is a page where the header has gone. Desktop does not get it: the
   header is still on screen there and a fixed bar is just clutter. */
.stickybar{display:none}
@media (max-width:899px){
  .stickybar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:20;
    background:var(--bg);border-top:1px solid var(--line);padding:10px 16px;
    padding-bottom:calc(10px + env(safe-area-inset-bottom))}
  /* 58px tall against a 48px floor, and 16px clear of each edge. Under 16pt
     the button sits in the system back-gesture strip, where a genuine tap gets
     eaten by the OS and reads as a visitor who did not want to call. */
  .stickybar .call{display:block;text-align:center;font-size:19px;padding:15px}
  /* Room so the bar never covers the last line of the page. */
  .foot{padding-bottom:96px}
  /* The header number would be a second copy of the same control on screen at
     once, so on phones the sticky bar is the one that carries it. */
  .top .call{display:none}
}
