/* PROPER WOOD LTD — timber-pack concept */
:root {
  --ink: #16211A;
  --tan-green: #2F4A36;
  --cement: #E4E6E1;
  --sawn: #E3B94C;
  --stamp: #23408E;
  --pine: #B9C8A5;

  --sawn-ring: #B08A2E;
  --sawn-deep: #C99A34;
  --white: #FFFFFF;
  --line: #C3C8BF;
  --muted: #4A564D;
  --error: #9B1C1C;

  --font-display: "Saira Stencil One", "Arial Narrow", Impact, sans-serif;
  --font-body: "Public Sans", "Helvetica Neue", Arial, sans-serif;

  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4.5rem;
  --s-9: 6.5rem;

  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 14px;

  --shadow-pack: 0 18px 0 -10px rgba(0, 0, 0, 0.28), 0 30px 50px -20px rgba(0, 0, 0, 0.45);
  --shadow-stamp: 0 0 0 2px var(--stamp);

  --wrap: 72rem;
  --measure: 38rem;
  --header-h: 4rem;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + var(--s-4)); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cement);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--stamp); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--stamp); outline-offset: 3px; }
h1, h2, h3 { line-height: 1.1; margin: 0 0 var(--s-4); }
h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2rem, 6vw, 3.25rem); letter-spacing: 0.01em; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 var(--s-4); }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--s-4); }

.skip {
  position: absolute; left: var(--s-2); top: var(--s-2); z-index: 100;
  padding: var(--s-2) var(--s-4); background: var(--sawn); color: var(--ink);
  transform: translateY(-200%); transition: transform 0.2s var(--ease);
}
.skip:focus { transform: translateY(0); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--tan-green);
  color: var(--cement);
  border-bottom: 3px solid var(--ink);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: var(--s-3); color: var(--cement); text-decoration: none; }
.brand__mark {
  width: 1.75rem; height: 1.75rem; border-radius: var(--r-sm);
  background: repeating-radial-gradient(circle at 20% 110%, var(--sawn-ring) 0 1.5px, var(--sawn) 1.5px 5px);
  box-shadow: inset 0 0 0 2px var(--ink);
}
.brand__name { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: 0.02em; }

.burger {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; cursor: pointer;
}
.burger__bar { display: block; height: 2px; background: var(--cement); transition: transform 0.25s var(--ease), opacity 0.2s; }
.burger[aria-expanded="true"] .burger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__bar:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--tan-green); border-bottom: 3px solid var(--ink);
  transform: translateY(-8px); opacity: 0; visibility: hidden;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease), visibility 0s linear 0.25s;
}
.site-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; transition-delay: 0s; }
.site-nav__list { list-style: none; margin: 0; padding: var(--s-2) var(--s-4) var(--s-5); }
.site-nav__list a {
  display: block; padding: var(--s-3) 0; color: var(--cement); text-decoration: none; font-weight: 600;
  border-bottom: 1px solid rgba(228, 230, 225, 0.2);
}
.site-nav__list a:hover { color: var(--sawn); }
.site-nav__list .site-nav__cta { color: var(--sawn); border-bottom: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: var(--s-3) var(--s-5);
  font: 700 1rem/1.2 var(--font-body); text-decoration: none; cursor: pointer;
  border-radius: var(--r-sm); border: 2px solid transparent;
  transition: transform 0.15s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--sawn { background: var(--sawn); color: var(--ink); border-color: var(--ink); box-shadow: 3px 3px 0 var(--ink); }
.btn--sawn:hover { transform: translate(-1px, -1px); }
.btn--ghost { color: var(--cement); border-color: var(--pine); }
.btn--ghost:hover { border-color: var(--sawn); color: var(--sawn); }
.btn--dark { background: var(--tan-green); color: var(--cement); }
.btn--line { color: var(--ink); border-color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  background: var(--tan-green);
  color: var(--cement);
  padding: var(--s-7) 0 var(--s-8);
  overflow: hidden;
}
.hero__grid { display: grid; gap: var(--s-7); align-items: center; }
.hero__kicker { color: var(--pine); font-weight: 600; margin-bottom: var(--s-3); }
.hero__title {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.35rem, 10vw, 4.6rem); line-height: 1; letter-spacing: 0.005em;
  color: var(--sawn); max-width: 14ch; margin-bottom: var(--s-5);
}
.hero__lead { max-width: var(--measure); font-size: 1.075rem; color: var(--cement); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-5); }

/* The timber pack, viewed end-on */
.pack { position: relative; width: 100%; max-width: 30rem; justify-self: center; }
.pack__stack {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px;
  padding: 4px; background: var(--ink); border-radius: var(--r-md);
  box-shadow: var(--shadow-pack);
}
.end {
  --px: 30%; --py: 120%; --gap: 9px;
  position: relative; display: block; aspect-ratio: 2 / 1;
  border-radius: 2px;
  background:
    repeating-radial-gradient(circle at var(--px) var(--py), var(--sawn-ring) 0 1.5px, transparent 1.5px var(--gap)),
    linear-gradient(160deg, var(--sawn) 0%, var(--sawn-deep) 100%);
  animation: end-in 0.7s var(--ease) both;
}
.end--a { --px: 22%; --py: 130%; --gap: 8px; }
.end--b { --px: 80%; --py: -40%; --gap: 10px; }
.end--c { --px: 55%; --py: 150%; --gap: 7px; }
.end--d { --px: -20%; --py: 60%; --gap: 11px; }
.end--e { --px: 110%; --py: 110%; --gap: 9px; }
.end--f { --px: 45%; --py: -60%; --gap: 8px; }
.end--stamp::after {
  content: "PW"; position: absolute; left: 50%; top: 50%;
  font: 700 0.8rem/1 var(--font-body); letter-spacing: 0.08em; color: var(--stamp);
  padding: 3px 6px; border: 2px solid var(--stamp); border-radius: 2px;
  transform: translate(-50%, -50%) rotate(-7deg);
}
.pack__strap {
  position: absolute; top: -6px; bottom: -6px; width: 10px;
  background: var(--ink); border-radius: 2px;
  box-shadow: inset 0 0 0 2px #0f1712;
}
.pack__strap--1 { left: 22%; }
.pack__strap--2 { right: 22%; }

.pack__stack .end:nth-child(1)  { animation-delay: 0.05s; }
.pack__stack .end:nth-child(2)  { animation-delay: 0.10s; }
.pack__stack .end:nth-child(3)  { animation-delay: 0.15s; }
.pack__stack .end:nth-child(4)  { animation-delay: 0.20s; }
.pack__stack .end:nth-child(5)  { animation-delay: 0.25s; }
.pack__stack .end:nth-child(6)  { animation-delay: 0.30s; }
.pack__stack .end:nth-child(7)  { animation-delay: 0.35s; }
.pack__stack .end:nth-child(8)  { animation-delay: 0.40s; }
.pack__stack .end:nth-child(9)  { animation-delay: 0.45s; }
.pack__stack .end:nth-child(10) { animation-delay: 0.50s; }
.pack__stack .end:nth-child(11) { animation-delay: 0.55s; }
.pack__stack .end:nth-child(12) { animation-delay: 0.60s; }

@keyframes end-in {
  from { opacity: 0; transform: translateX(-18px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Section heads ---------- */
.section-head { max-width: var(--measure); margin-bottom: var(--s-6); }
.section-head p { color: var(--muted); font-size: 1.075rem; }
.section-head--light p { color: var(--pine); }

/* ---------- Supply ---------- */
.supply { padding: var(--s-8) 0; }
.supply__list { display: grid; gap: var(--s-5); }
.line {
  display: grid; grid-template-columns: 1fr;
  background: var(--white); border: 2px solid var(--ink); border-radius: var(--r-md);
  overflow: hidden;
}
.line__swatch { min-height: 7rem; border-bottom: 2px solid var(--ink); }
.line--timber .line__swatch {
  background:
    repeating-linear-gradient(92deg, transparent 0 14px, rgba(176, 138, 46, 0.55) 14px 16px, transparent 16px 31px, rgba(176, 138, 46, 0.35) 31px 32px),
    var(--sawn);
}
.line--build .line__swatch {
  background:
    repeating-linear-gradient(0deg, var(--ink) 0 2px, transparent 2px 30px),
    repeating-linear-gradient(90deg, var(--ink) 0 2px, transparent 2px 64px),
    #CFD3CB;
}
.line--sanitary .line__swatch {
  background:
    repeating-linear-gradient(0deg, transparent 0 26px, var(--line) 26px 28px),
    repeating-linear-gradient(90deg, transparent 0 26px, var(--line) 26px 28px),
    var(--white);
}
.line__body { padding: var(--s-5); }
.line__body p { max-width: var(--measure); }
.line__note { color: var(--muted); font-style: italic; margin-bottom: 0; }

/* ---------- Process ---------- */
.process { background: var(--ink); color: var(--cement); padding: var(--s-8) 0; }
.process h2 { color: var(--sawn); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-5); counter-reset: none; }
.step { position: relative; padding: var(--s-5) 0 0; border-top: 2px solid var(--tan-green); }
.step h3 { color: var(--white); }
.step p { color: var(--pine); margin: 0; max-width: 32rem; }
.stamp {
  display: inline-grid; place-items: center;
  width: 2.75rem; height: 2.75rem; margin-bottom: var(--s-3);
  font-family: var(--font-display); font-size: 1.5rem; color: var(--sawn);
  border: 2px solid var(--sawn); border-radius: var(--r-sm);
  transform: rotate(-5deg);
}

/* ---------- Trade ---------- */
.trade { padding: var(--s-8) 0; }
.trade__grid { display: grid; gap: var(--s-7); align-items: start; }
.trade__text > p { max-width: var(--measure); font-size: 1.075rem; }
.trade__list { list-style: none; margin: var(--s-5) 0 0; padding: 0; }
.trade__list li { padding: var(--s-4) 0 var(--s-4) var(--s-5); border-top: 1px solid var(--line); position: relative; max-width: var(--measure); }
.trade__list li::before {
  content: ""; position: absolute; left: 0; top: calc(var(--s-4) + 0.45em);
  width: 0.75rem; height: 0.4rem; background: var(--sawn); box-shadow: inset 0 0 0 1px var(--ink);
}
.trade__figure { margin: 0; }
.trade__figure img { width: 100%; }
.trade__figure figcaption { padding-left: 4%; color: var(--muted); font-size: 0.9375rem; margin-top: var(--s-2); }

/* ---------- Enquiry ---------- */
.enquire { background: var(--pine); padding: var(--s-8) 0; border-top: 3px solid var(--ink); }
.enquire__grid { display: grid; gap: var(--s-6); }
.enquire__intro p { max-width: var(--measure); font-size: 1.075rem; }
.contact { margin: var(--s-5) 0 0; display: grid; gap: var(--s-4); }
.contact dt { font-weight: 700; }
.contact dd { margin: 0; overflow-wrap: anywhere; }

.form {
  background: var(--white); border: 2px solid var(--ink); border-radius: var(--r-md);
  padding: var(--s-5); box-shadow: 6px 6px 0 var(--ink);
}
.form__row { display: grid; gap: 0 var(--s-4); }
.field { margin: 0 0 var(--s-3); padding: 0; border: 0; min-width: 0; }
.field label, .field legend { display: block; font-weight: 600; margin-bottom: var(--s-1); padding: 0; }
.field__opt { font-weight: 400; color: var(--muted); }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field textarea {
  width: 100%; min-height: 48px; padding: var(--s-3);
  font: inherit; color: var(--ink); background: var(--cement);
  border: 2px solid var(--muted); border-radius: var(--r-sm);
}
.field textarea { resize: vertical; min-height: 9rem; }
.field input:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--stamp); outline-offset: 1px; border-color: var(--stamp); }
.field [aria-invalid="true"] { border-color: var(--error); }
.field__error { min-height: 1.3em; margin: var(--s-1) 0 0; font-size: 0.875rem; color: var(--error); font-weight: 600; }
.choices { display: grid; gap: var(--s-2); }
.field .choice { display: flex; margin: 0; align-items: center; gap: var(--s-3); cursor: pointer; font-weight: 400; padding: var(--s-2) var(--s-3); border: 2px solid var(--line); border-radius: var(--r-sm); }
.field .choice input { width: 1.15rem; height: 1.15rem; accent-color: var(--tan-green); margin: 0; }
.field .choice:has(input:checked) { border-color: var(--tan-green); background: #EEF2E8; }
.form__submit { width: 100%; margin-top: var(--s-2); }
.form__success {
  margin-top: var(--s-5); padding: var(--s-4) var(--s-5);
  border: 2px solid var(--tan-green); border-left-width: 8px; border-radius: var(--r-sm);
  background: #EEF2E8;
  animation: success-in 0.35s var(--ease) both;
}
.form__success p:last-child { margin: 0; }
.form__success-title { font-weight: 700; font-size: 1.1rem; margin-bottom: var(--s-2); }
@keyframes success-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--pine); padding: var(--s-7) 0 var(--s-5); }
.site-footer a { color: var(--cement); }
.site-footer__top { display: grid; gap: var(--s-5); padding-bottom: var(--s-5); border-bottom: 1px solid var(--tan-green); }
.site-footer__brand { font-family: var(--font-display); font-size: 1.75rem; color: var(--sawn); margin-bottom: var(--s-2); }
.site-footer__line { max-width: 30rem; margin: 0; }
.site-footer__nav { display: grid; gap: var(--s-2); align-content: start; }
.site-footer__nav a { overflow-wrap: anywhere; }
.legal { padding-top: var(--s-5); font-size: 0.8125rem; line-height: 1.55; color: var(--pine); }
.legal p { margin: 0 0 var(--s-2); max-width: 52rem; overflow-wrap: anywhere; }
.legal__links { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); }

/* ---------- Doc pages ---------- */
.doc-hero { background: var(--tan-green); color: var(--cement); padding: var(--s-7) 0 var(--s-6); }
.doc-hero h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2.4rem, 8vw, 4rem); color: var(--sawn); }
.doc-hero__date { color: var(--pine); margin: 0; }
.doc { padding: var(--s-7) 0 var(--s-8); }
.doc__body { max-width: 46rem; }
.doc__body h2 { font-size: clamp(1.5rem, 4.5vw, 2rem); margin-top: var(--s-6); }
.doc__body h2:first-child { margin-top: 0; }
.doc__body ul { padding-left: 1.25rem; margin: 0 0 var(--s-4); }
.doc__body li { margin-bottom: var(--s-2); }

.notfound { padding: var(--s-8) 0; }
.notfound__grid { display: grid; gap: var(--s-6); align-items: center; }
.notfound h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2.4rem, 9vw, 4rem); }
.notfound__offcut { width: 12rem; padding: 4px; background: var(--ink); border-radius: var(--r-md); transform: rotate(-8deg); }

/* ---------- Breakpoints ---------- */
@media (min-width: 480px) {
  .wrap { padding: 0 var(--s-5); }
  .form__row { grid-template-columns: 1fr 1fr; }
  .form__submit { width: auto; }
  .choices { grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); }
}

@media (min-width: 768px) {
  .hero { padding: var(--s-8) 0 var(--s-9); }
  .line { grid-template-columns: 11rem 1fr; }
  .line__swatch { border-bottom: 0; border-right: 2px solid var(--ink); min-height: 100%; }
  .steps { grid-template-columns: 1fr 1fr; gap: var(--s-6); }
  .site-footer__top { grid-template-columns: 2fr 1fr; }
  .notfound__grid { grid-template-columns: auto 1fr; gap: var(--s-8); }
  .form { padding: var(--s-6); }
}

@media (min-width: 1024px) {
  :root { --header-h: 4.5rem; }
  .burger { display: none; }
  .site-nav {
    position: static; background: none; border: 0;
    transform: none; opacity: 1; visibility: visible; transition: none;
  }
  .site-nav__list { display: flex; align-items: center; gap: var(--s-5); padding: 0; }
  .site-nav__list a { border: 0; padding: var(--s-2) 0; }
  .site-nav__list .site-nav__cta {
    padding: var(--s-2) var(--s-4); background: var(--sawn); color: var(--ink);
    border: 2px solid var(--ink); border-radius: var(--r-sm);
  }
  .site-nav__list .site-nav__cta:hover { color: var(--ink); }
  .hero__grid { grid-template-columns: 1.15fr 1fr; gap: var(--s-8); }
  .pack { justify-self: end; transform: rotate(-3deg); }
  .supply__list { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .trade__grid { grid-template-columns: 1.2fr 1fr; gap: var(--s-8); }
  .trade__figure { position: sticky; top: calc(var(--header-h) + var(--s-6)); }
  .enquire__grid { grid-template-columns: 1fr 1.4fr; gap: var(--s-8); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-delay: 0s !important;
    animation-iteration-count: 1 !important; transition-duration: 0.01ms !important;
  }
}