/* Brown Brothers Lumber Company Inc. Letterhead chassis, ledger-line containers, dated-timeline signature. */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
svg[hidden] { display: none; }
[id] { scroll-margin-top: 150px; }
::selection { background: var(--brass); color: var(--brass-ink); }
html { scrollbar-color: var(--brass) var(--paper); }

h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.15; margin: 0 0 var(--s2); color: var(--ink); }
h1 { font-weight: 700; }
.dark h1, .dark h2, .dark h3 { color: var(--ink-dark); }
p { margin: 0 0 var(--s2); max-width: 62ch; }
a { color: var(--brass); }
.dark a { color: var(--brass-bright); }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: clamp(16px, 4vw, 40px); }

/* focus */
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; border-radius: var(--radius); }
.dark :focus-visible { outline-color: var(--brass-bright); }
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--walnut); color: var(--ink-dark); padding: 10px 16px;
}
.skip:focus { left: 8px; top: 8px; }

/* label caps used for ledger field labels */
.lbl {
  font-family: var(--label); font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
}
.dark .lbl { color: var(--muted-dark); }

/* ============ header: letterhead stationery ============ */
.letterhead {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.letterhead-in {
  max-width: var(--max); margin: 0 auto;
  padding: 14px clamp(16px, 4vw, 40px) 0;
}
.lh-top { display: flex; align-items: center; justify-content: center; position: relative; }
.lh-name {
  font-family: var(--display); font-weight: 700; font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  letter-spacing: .01em; text-align: center;
  color: var(--ink); text-decoration: none;
}
.lh-name:hover { color: var(--brass); }
.lh-phone {
  text-align: center; margin: 4px 0 12px;
  font-family: var(--label); font-size: .82rem; letter-spacing: .03em;
  color: var(--muted); max-width: none;
}
.lh-phone a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.lh-phone a:hover { color: var(--brass); }
.lh-rule {
  height: 4px;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
.lh-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 0;
}
.lh-nav-side { display: flex; gap: 22px; }
.lh-nav-right { margin-left: auto; }
.lh-nav a {
  font-size: .92rem; text-decoration: none; color: var(--muted);
  padding: 4px 2px; min-height: 32px; display: inline-flex; align-items: center;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--t-ease), border-color var(--t-fast) var(--t-ease);
}
.lh-nav a:hover { color: var(--ink); }
.lh-nav a[aria-current="page"] { color: var(--brass); border-bottom-color: var(--brass); }

.nav-toggle {
  display: none;
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  border: 1px solid var(--rule-strong); border-radius: var(--radius);
  background: var(--paper-2); color: var(--ink);
  font: inherit; font-size: .88rem;
  padding: 9px 13px; min-height: 44px;
  cursor: pointer; align-items: center; gap: 8px;
}
.nav-toggle:active { transform: translateY(calc(-50% + 1px)); }
.nav-toggle .ico-shut { display: none; }
.nav-toggle[aria-expanded="true"] .ico-open { display: none; }
.nav-toggle[aria-expanded="true"] .ico-shut { display: block; }

/* ============ buttons: one brass rectangle, no outline twin ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; min-height: 52px;
  font-family: var(--sans); font-weight: 600; font-size: 1.02rem; letter-spacing: .01em;
  text-decoration: none; text-align: center;
  background: var(--brass); color: var(--brass-ink);
  border: 0; border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--t-fast) var(--t-ease);
}
.btn:hover { background: var(--brass-press); }
.btn:active { transform: translateY(1px); }
.btn-block { width: 100%; max-width: 380px; }

.arrowlink {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px;
  color: var(--brass); text-decoration: none; font-size: 1rem;
  border-bottom: 1px solid transparent;
  transition: gap var(--t-fast) var(--t-ease);
}
.arrowlink:hover { gap: 12px; border-bottom-color: var(--brass); }
.dark .arrowlink { color: var(--brass-bright); }

/* ============ dark band ============ */
.dark { background: var(--walnut); color: var(--ink-dark); }
.dark p { color: var(--muted-dark); }
.muted { color: var(--muted); }
.dark .muted { color: var(--muted-dark); }

/* ============ bands: full-width, hairline separated, almost nothing boxed ============ */
.band { padding: clamp(48px, 8vw, 92px) 0; border-bottom: 1px solid var(--rule); }
.band:last-of-type { border-bottom: 0; }
.dark.band { border-bottom-color: var(--rule-dark); }
.band-head { margin-bottom: clamp(28px, 4.5vw, 44px); }
.band-head .lbl { display: block; margin-bottom: 8px; }
.band-head h2 { font-size: clamp(1.5rem, 3vw, 2.05rem); margin: 0; }
.band-intro { max-width: 58ch; margin-top: var(--s2); }

/* ============ hero ============ */
.hero { padding: clamp(52px, 9vw, 100px) 0 clamp(44px, 7vw, 80px); background: var(--paper); }
.hero h1 {
  font-size: clamp(2.3rem, 5.6vw, 3.9rem);
  letter-spacing: -0.01em;
  max-width: 15ch;
  margin-bottom: var(--s3);
}
.hero-lede { font-size: 1.14rem; max-width: 52ch; color: var(--muted); margin-bottom: var(--s5); }

/* ledger line: officers of record, single ruled line, wraps naturally */
.ledger-line {
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  padding: 16px 0;
  margin-bottom: var(--s5);
}
.ledger-line p {
  max-width: none; margin: 0;
  font-family: var(--display); font-size: clamp(.98rem, 1.7vw, 1.15rem);
  line-height: 1.7;
  color: var(--ink);
}
.ledger-line .sep { color: var(--brass); padding: 0 .4em; }

.hero .btn { margin-bottom: 4px; }
.hero-note { font-size: .88rem; color: var(--muted); }

/* ============ ledger fact rows: varied widths/weights, not identical cards ============ */
.factrow {
  display: grid; grid-template-columns: 1fr 2.1fr; gap: clamp(16px, 4vw, 48px);
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.factrow:first-child { border-top: 1px solid var(--rule-strong); }
.factrow .lbl { padding-top: 3px; }
.factrow-body { max-width: 58ch; }
.factrow-body p { margin: 0; }
.factrow-lead .factrow-body p { font-family: var(--display); font-size: 1.2rem; color: var(--ink); }
.dark .factrow { border-bottom-color: var(--rule-dark); }
.dark .factrow:first-child { border-top-color: var(--rule-dark); }
.dark .factrow-body p { color: var(--ink-dark); }

/* ============ signature: the ledger of record (dated timeline) ============ */
.ledger-book { position: relative; max-width: 720px; }
.ledger-book::before {
  content: "";
  position: absolute; left: 92px; top: 6px; bottom: 6px; width: 1px;
  background: var(--rule-strong);
}
.dark .ledger-book::before { background: var(--rule-dark); }
html[data-anim] .ledger-book::before {
  transform: scaleY(0); transform-origin: top;
  transition: transform 900ms var(--t-ease);
}
html[data-anim] .ledger-book.on::before { transform: scaleY(1); }

.ledger-entry {
  position: relative;
  display: grid; grid-template-columns: 92px 1fr; gap: 22px;
  padding: 15px 0;
}
.ledger-entry::after {
  content: ""; position: absolute; left: 88px; top: 22px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--brass); border: 2px solid var(--paper);
}
.dark .ledger-entry::after { border-color: var(--walnut); }
.entry-date {
  font-family: var(--label); font-size: .85rem; letter-spacing: .03em;
  color: var(--brass); padding-top: 2px; text-align: right;
}
.dark .entry-date { color: var(--brass-bright); }
.entry-body p { margin: 0; }
.entry-body .entry-title { font-family: var(--display); font-size: 1.06rem; color: var(--ink); margin-bottom: 2px; }
.dark .entry-body .entry-title { color: var(--ink-dark); }
.entry-body .entry-sub { font-size: .92rem; color: var(--muted); max-width: 50ch; }
.dark .entry-body .entry-sub { color: var(--muted-dark); }

/* ============ products list: ledger-line entries, no card grid ============ */
.speclist { max-width: 760px; }
.specline {
  display: grid; grid-template-columns: 1.3fr 2fr; gap: clamp(16px, 3vw, 36px);
  padding: 20px 0; border-bottom: 1px dashed var(--rule-strong);
  align-items: start;
}
.specline:first-child { border-top: 1px dashed var(--rule-strong); }
.specline h3 { font-size: 1.08rem; margin: 0; }
.specline p { margin: 0; font-size: .98rem; }
.dark .specline { border-bottom-color: var(--rule-dark); }
.dark .specline:first-child { border-top-color: var(--rule-dark); }

/* ============ placeholder photo panels: clearly labeled, no fabricated imagery ============ */
.photo-ph {
  position: relative;
  background: var(--paper-2);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: var(--ar, 4 / 3);
  display: flex; align-items: center; justify-content: center;
  isolation: isolate;
}
.photo-ph::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(135deg, transparent 0 11px, var(--rule) 11px 12px),
    linear-gradient(180deg, var(--paper-2), var(--paper));
  opacity: .8;
  z-index: -1;
}
.photo-ph-label {
  font-family: var(--label); font-size: .74rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted);
  background: var(--paper); border: 1px solid var(--rule-strong);
  padding: 8px 14px; border-radius: var(--radius);
  text-align: center; max-width: 80%;
}
.photo-cap { font-size: .82rem; color: var(--muted); padding-top: 8px; margin: 0; }

.photo-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.photo-solo-wrap { max-width: 560px; }

/* ============ contact ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.contact-facts .factrow:first-child { border-top: 1px solid var(--rule-strong); }

.field { margin-bottom: var(--s3); }
.field label {
  display: block; font-family: var(--label); font-size: .78rem;
  letter-spacing: .04em; color: var(--muted); margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%;
  font: inherit; font-size: 1rem; color: var(--ink);
  background: transparent;
  border: 0; border-bottom: 1px solid var(--rule-strong);
  border-radius: 0;
  padding: 9px 2px; min-height: 44px;
  transition: border-color var(--t-fast) var(--t-ease), background var(--t-fast) var(--t-ease);
}
.field textarea { min-height: 110px; resize: vertical; padding-top: 9px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-bottom-color: var(--brass); background: var(--paper-2);
}
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.form-msg {
  display: none;
  border-left: 3px solid var(--brass);
  background: var(--paper-2);
  padding: 14px 16px; margin-top: var(--s2);
  font-size: .98rem;
}
.form-msg.show { display: block; }
.form-msg a { color: var(--brass); white-space: nowrap; }

/* ============ footer ============ */
.footer { background: var(--paper); border-top: 4px double var(--rule-strong); padding: var(--s8) 0 var(--s6); }
.foot-in { text-align: center; }
.foot-name { font-family: var(--display); font-weight: 700; font-size: 1.15rem; margin-bottom: 6px; }
.foot-line { font-size: .95rem; color: var(--muted); margin: 0 0 4px; }
.foot-line a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.foot-line a:hover { color: var(--brass); }
.foot-rule { height: 1px; background: var(--rule); max-width: 320px; margin: var(--s3) auto; }
.foot-nav { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; }
.foot-nav a { color: var(--brass); text-decoration: none; font-size: .92rem; min-height: 32px; display: inline-flex; align-items: center; }
.foot-nav a:hover { text-decoration: underline; }
.foot-fine { max-width: 640px; margin: 0 auto; }
.foot-fine p { font-size: .8rem; color: var(--muted); max-width: none; margin: 0 0 6px; }

/* ============ reveals: soft settle, gated on html[data-anim] ============ */
html[data-anim] .rv { opacity: 0; transform: translateY(10px); }
html[data-anim] .rv.on { opacity: 1; transform: none; transition: opacity var(--t-settle) var(--t-ease), transform var(--t-settle) var(--t-ease); }

/* page banners (inner pages) */
.banner { background: var(--paper-2); border-bottom: 1px solid var(--rule); }
.banner .wrap { padding-block: clamp(40px, 6.5vw, 76px); }
.banner h1 { font-size: clamp(2rem, 4.4vw, 3rem); max-width: 18ch; margin-bottom: var(--s2); }
.banner p { max-width: 56ch; color: var(--muted); margin: 0; }

/* ============ responsive ============ */
@media (max-width: 900px) {
  .contact-grid, .factrow, .specline { grid-template-columns: 1fr; }
  .photo-duo { grid-template-columns: 1fr; }
  .factrow .lbl { padding-top: 0; }
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .lh-nav {
    display: none;
    flex-direction: column; align-items: center; gap: 10px;
    padding: 10px 0 14px;
  }
  .lh-nav.open { display: flex; }
  .lh-nav-side { flex-direction: column; align-items: center; gap: 10px; }
  .lh-nav-right { margin-left: 0; }
  .ledger-book::before { left: 68px; }
  .ledger-entry { grid-template-columns: 68px 1fr; gap: 14px; }
  .ledger-entry::after { left: 64px; }
  [id] { scroll-margin-top: 96px; }
}

/* ============ reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html[data-anim] .rv { opacity: 1; transform: none; }
  html[data-anim] .ledger-book::before { transform: scaleY(1); }
}