:root {
  color-scheme: only light;
  --field: #e7e2d8;
  --ink: #1a211e;
  --panel: #24302c;
  --paper: #f6f1e6;
  --amber: #c46a1a;
  --line: #cfc6b6;
  --muted: #5c675f;
  --danger: #8c2f24;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 0%, rgba(255,255,255,.45), transparent 42%),
    linear-gradient(180deg, #efeae0 0%, var(--field) 40%, #ddd6c8 100%);
  font-family: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.05rem;
  line-height: 1.45;
}
body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: .07;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.55'/></svg>");
}
a { color: var(--ink); }
.wrap { width: min(920px, calc(100% - 32px)); margin: 0 auto; }
header.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0 8px;
}
.mark {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-decoration: none;
}
.mark img { width: 32px; height: 32px; }
.hero { padding: 28px 0 12px; }
h1 {
  font-family: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
  font-weight: 600;
  font-size: clamp(2.1rem, 7vw, 4.2rem);
  line-height: .95;
  letter-spacing: -.02em;
  margin: 0 0 16px;
}
.sub { font-size: 1.2rem; max-width: 38rem; margin: 0 0 18px; }
.cta {
  display: inline-block;
  background: var(--amber);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 14px 18px;
  border: 0;
  cursor: pointer;
  font-size: 1.05rem;
}
.cta:disabled { opacity: .65; cursor: wait; }
.note { color: var(--muted); font-size: .95rem; }
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 22px;
  margin: 22px 0;
}
.panel h2 {
  font-family: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
  font-size: 1.7rem;
  margin: 0 0 10px;
}
ul { padding-left: 1.1rem; }
li { margin: 8px 0; }
.price {
  font-family: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
  font-size: 2.4rem;
  margin: 0;
}
.layers {
  background: var(--panel);
  color: #f3efe6;
  padding: 22px;
  margin: 22px 0;
}
.layers p { color: #d9d3c6; }
.roof {
  height: 180px;
  position: relative;
  margin-top: 12px;
}
.roof span {
  position: absolute;
  left: 8%;
  right: 8%;
  height: 28px;
  display: flex;
  align-items: center;
  padding-left: 12px;
  font-size: .95rem;
  color: #1a211e;
}
.roof .shingles { top: 18px; background: #8d5a3c; clip-path: polygon(50% 0, 100% 100%, 0 100%); height: 70px; color: #f6f1e6; }
.roof .under { top: 78px; background: #cbb89a; }
.roof .deck { top: 112px; background: #e6d7b8; }
.roof .rafters { top: 146px; background: #f6f1e6; }
form { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-weight: 600; }
input, textarea {
  font: inherit;
  padding: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  width: 100%;
}
textarea { min-height: 96px; }
.err { color: var(--danger); font-weight: 600; min-height: 1.2em; }
.hp { position: absolute; left: -9999px; }
footer {
  padding: 28px 0 96px;
  color: var(--muted);
  font-size: .95rem;
}
.sticky {
  display: none;
}
@media (max-width: 720px) {
  .sticky {
    display: block;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    background: var(--panel);
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    z-index: 5;
  }
  .sticky a { display: block; text-align: center; }
  #request { scroll-margin-bottom: 80px; }
}