/* Style: OSB jobsite hoarding (oriented-strand-board texture, spray-painted marking-paint green and white type, black site-fence band, Epilogue) */
:root {
  --osb: #c9a774;
  --osb-2: #b48f5a;
  --osb-3: #9c7744;
  --spray: #2fbf4a;
  --spray-dark: #1d8a33;
  --black: #151515;
  --white: #fff;
  --paper: #f5f1e8;
  --ink: #1b1914;
  --muted: #5a5247;
  --line: #e1d8c6;
  --body: "Epilogue", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  font-size: 1.04rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

a { color: var(--spray-dark); text-underline-offset: 3px; }

a:focus-visible, .btn:focus-visible, summary:focus-visible, .top__cta:focus-visible {
  outline: 3px solid var(--spray-dark);
  outline-offset: 3px;
}

.wrap { width: min(1060px, 100% - 32px); margin-inline: auto; }

.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  padding: 8px 12px;
  background: var(--spray);
  color: var(--ink);
  z-index: 10;
}

.skip:focus { left: 8px; }

/* Top */
.top { background: var(--black); }

.top__inner { display: flex; justify-content: space-between; align-items: center; min-height: 56px; gap: 12px; }

.top__brand { font-weight: 900; font-size: 1.02rem; color: var(--white); text-decoration: none; white-space: nowrap; letter-spacing: .02em; }

.top__cta { background: var(--spray); color: var(--ink); padding: 5px 14px; font-weight: 800; text-decoration: none; white-space: nowrap; }

/* Hero */
.hero { background: var(--paper); padding: 48px 0 56px; border-bottom: 14px solid var(--black); }

.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 34px; align-items: center; }

.kicker { margin: 0 0 10px; font-weight: 800; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; color: var(--spray-dark); }

h1 { font-weight: 900; font-size: clamp(2.2rem, 6.6vw, 3.8rem); line-height: 1.02; margin: 0 0 18px; letter-spacing: -.02em; }

.lede { color: var(--muted); max-width: 60ch; margin: 0 0 26px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-block;
  padding: 13px 24px;
  background: var(--black);
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}

.btn:hover { background: var(--spray-dark); }

.btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 3px var(--black); }

.btn--ghost:hover { background: var(--black); color: var(--white); }

/* OSB board */
.board {
  justify-self: center;
  width: min(360px, 100%);
  aspect-ratio: 4 / 5;
  padding: 28px 24px;
  display: grid;
  align-content: space-between;
  background:
    radial-gradient(ellipse 22px 6px at 20% 30%, var(--osb-3), transparent 70%),
    radial-gradient(ellipse 28px 7px at 70% 18%, var(--osb-2), transparent 70%),
    radial-gradient(ellipse 18px 5px at 40% 62%, var(--osb-3), transparent 70%),
    radial-gradient(ellipse 26px 6px at 82% 76%, var(--osb-2), transparent 70%),
    radial-gradient(ellipse 20px 5px at 12% 88%, var(--osb-3), transparent 70%),
    repeating-linear-gradient(27deg, rgba(156, 119, 68, .35) 0 6px, transparent 6px 14px),
    repeating-linear-gradient(-33deg, rgba(255, 255, 255, .12) 0 4px, transparent 4px 12px),
    var(--osb);
  box-shadow: 0 16px 30px rgba(0, 0, 0, .25);
}

.board__spray {
  margin: 0;
  font-weight: 900;
  font-size: clamp(2.6rem, 12vw, 3.6rem);
  line-height: .92;
  color: var(--spray);
  text-shadow: 0 0 6px rgba(47, 191, 74, .7), 0 0 14px rgba(47, 191, 74, .35);
  transform: rotate(-4deg);
  letter-spacing: -.02em;
}

.board__spray--2 { color: var(--white); text-shadow: 0 0 6px rgba(255, 255, 255, .7), 0 0 14px rgba(255, 255, 255, .35); justify-self: end; text-align: right; transform: rotate(3deg); }

/* Strip */
.strip { background: var(--black); color: var(--white); padding: 4px 0 20px; }

.strip__row { margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 16px; }

.strip dt { font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--spray); }

.strip dd { margin: 0; font-weight: 800; font-size: 1.15rem; }

/* Sections */
.sec { padding-top: 60px; }

h2 { font-weight: 900; font-size: clamp(1.8rem, 4.8vw, 2.5rem); line-height: 1.08; margin: 0 0 18px; letter-spacing: -.02em; }

h3 { font-weight: 800; font-size: 1.15rem; margin: 0 0 4px; }

/* Risks */
.risks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }

.risk { margin: 0; padding: 18px; background: var(--osb); background-image: linear-gradient(rgba(255, 250, 240, .55), rgba(255, 250, 240, .55)), repeating-linear-gradient(27deg, rgba(156, 119, 68, .3) 0 5px, transparent 5px 12px); color: #2e2414; }

.risk b { display: block; font-weight: 900; font-size: 1.3rem; color: var(--black); }

/* Lessons */
.lessons { list-style: none; counter-reset: l; margin: 0; padding: 0; display: grid; gap: 12px; }

.lessons li { counter-increment: l; background: var(--white); border: 1px solid var(--line); border-left: 10px solid var(--spray); padding: 18px 18px 18px 72px; position: relative; }

.lessons li::before { content: counter(l); position: absolute; left: 18px; top: 12px; font-weight: 900; font-size: 2.4rem; line-height: 1; color: var(--black); }

.lessons p { margin: 0; color: var(--muted); }

/* Who / note */
.two { display: grid; gap: 28px; }

.who { list-style: none; margin: 0; padding: 0; }

.who li { padding: 10px 0 10px 28px; border-bottom: 2px solid var(--line); position: relative; }

.who li::before { content: ""; position: absolute; left: 0; top: 18px; width: 16px; height: 6px; background: var(--spray); border-radius: 3px; box-shadow: 0 0 6px rgba(47, 191, 74, .6); }

.note { background: var(--black); color: var(--white); padding: 22px; align-self: start; }

.note h2 { color: var(--spray); }

.note p { margin: 0; color: #d8d4cc; }

/* FAQ */
.faq details { background: var(--white); border: 2px solid var(--black); margin-bottom: 8px; }

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 52px 14px 16px;
  font-weight: 600;
  position: relative;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 12px;
  width: 26px;
  height: 26px;
  background: var(--spray);
  color: var(--black);
  display: grid;
  place-items: center;
  font-weight: 900;
  line-height: 1;
}

.faq details[open] summary::after { content: "−"; background: var(--black); color: var(--white); }

.faq details p { margin: 0; padding: 0 16px 16px; color: var(--muted); }

/* CTA */
.cta { margin-top: 64px; padding: 56px 0; background: var(--black); color: var(--white); border-top: 14px solid var(--spray); }

.cta h2 { color: var(--spray); }

.cta p { max-width: 60ch; color: #d8d4cc; margin: 0 0 24px; }

.cta .btn { background: var(--spray); color: var(--black); }

.cta .btn:hover { background: #4fd96a; }

/* Foot */
.foot { background: #0a0a0a; color: #a9a49a; padding: 20px 0; font-size: .9rem; }

.foot a { color: var(--white); }

.foot__inner { display: grid; gap: 4px; }

.foot p { margin: 0; }

@media (max-width: 380px) {
  .top__brand { font-size: .9rem; }
  .top__cta { font-size: .86rem; padding: 4px 10px; }
  .risks { grid-template-columns: minmax(0, 1fr); }
}

@media (min-width: 760px) {
  .strip__row { grid-template-columns: repeat(4, 1fr); }
  .risks { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lessons { grid-template-columns: 1fr 1fr; }
  .two { grid-template-columns: 1.3fr 1fr; gap: 40px; }
  .foot__inner { grid-template-columns: 1fr auto; }
}

@media (min-width: 1000px) {
  .hero__grid { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}