/* Lock Keeper — canal lock and passage board
   towpath / lock black / gate white / canal water / paddle red / brass */

:root {
  --towpath: #EEEDE7;
  --black:   #161616;
  --white:   #FFFFFF;
  --water:   #2F5E55;
  --water-2: #D5E2DE;
  --red:     #B3261E;
  --brass:   #B08D3C;
  --grey:    #6E6B63;

  --display: 'Teko', 'Arial Narrow', sans-serif;
  --body:    'Charis SIL', Georgia, serif;
  --mono:    'Spline Sans Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--towpath);
  color: var(--black);
  font-family: var(--body);
  font-size: 1.05rem;
  line-height: 1.64;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--water); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--red); }
a:focus-visible { outline: 3px solid var(--brass); outline-offset: 3px; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--brass); color: var(--black); padding: .6rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; top: 1rem; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }

/* balance-beam stripe: black and white, like lock gate arms */
.beam { height: 12px; background: repeating-linear-gradient(90deg, var(--black) 0 36px, var(--white) 36px 72px); border-top: 2px solid var(--black); border-bottom: 2px solid var(--black); }

/* ---------- header ---------- */

.cottage { background: var(--black); color: var(--white); }
.cottage__in { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem 0 .5rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--white); text-decoration: none; font-family: var(--display); font-weight: 500; font-size: 2rem; line-height: 1; letter-spacing: .04em; text-transform: uppercase; }
.brand svg { width: 30px; height: 26px; }
.brand:hover { color: var(--brass); }
.cottage nav { display: flex; gap: 1.3rem; font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
.cottage nav a { color: var(--white); text-decoration: none; }
.cottage nav a:hover { color: var(--brass); }

/* ---------- type ---------- */

h1, h2, h3 { font-family: var(--display); font-weight: 500; text-transform: uppercase; line-height: .95; margin: 0 0 1rem; letter-spacing: .01em; }
h1 { font-size: clamp(3rem, 7.2vw, 5.8rem); }
h2 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); }
h3 { font-size: 1.6rem; line-height: 1; }

.plate {
  display: inline-block; font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase;
  border: 1.5px solid currentColor; padding: .2rem .6rem; margin: 0 0 1.1rem; color: var(--water);
}
.lede { font-size: 1.2rem; max-width: 34em; color: #33312C; }
.prose { max-width: 40em; }
.prose p { margin: 0 0 1rem; }

/* ---------- hero + passage board ---------- */

.hero { padding: 4rem 0 3.5rem; }
.hero__grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 3rem; align-items: start; }
.hero h1 span { color: var(--red); }

.board { background: var(--white); border: 3px solid var(--black); font-family: var(--mono); }
.board__title { background: var(--water); color: var(--white); font-family: var(--display); font-size: 1.7rem; text-transform: uppercase; letter-spacing: .04em; padding: .45rem 1rem .25rem; line-height: 1; }
.board table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.board th, .board td { padding: .55rem 1rem; text-align: left; border-bottom: 1px solid var(--water-2); }
.board th { font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--grey); font-weight: 500; }
.board td.open { color: var(--water); font-weight: 600; }
.board td.shut { color: var(--grey); }
.board .dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: .45rem; background: var(--red); }
.board td.open .dot { background: var(--water); }
.board__foot { padding: .65rem 1rem; font-size: .74rem; color: var(--grey); }

/* ---------- chamber (signature) ---------- */

.chamber { padding: 4rem 0; background: var(--water); color: var(--white); }
.chamber .plate { color: var(--water-2); }
.chamber .prose { color: #E3ECE9; }
.chamber .prose a { color: var(--white); }
.chamber__intro { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-bottom: 2rem; }
.lock { margin: 0; background: #234A43; border: 2px solid var(--black); padding: 1.2rem; }
.lock svg { width: 100%; height: auto; }
.lock .wall { fill: #8E8A80; }
.lock .gate { fill: url(#beamfill); stroke: var(--black); stroke-width: 1; }
.lock .pool { fill: #5E9C8F; }
.lock .lvl { fill: #5E9C8F; transform-box: fill-box; transform-origin: 50% 100%; animation: fill 3.2s ease-in-out infinite alternate; }
.lock .boat { fill: var(--brass); }
.lock text { font-family: var(--mono); font-size: 10px; fill: var(--white); letter-spacing: .06em; }
.lock figcaption { font-family: var(--mono); font-size: .78rem; color: #CFE0DB; margin-top: .9rem; }
@keyframes fill { from { transform: scaleY(.35); } to { transform: scaleY(1); } }

.levels { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.levels li { border-top: 3px solid var(--brass); padding-top: .7rem; }
.levels h3 { color: var(--white); }
.levels p { margin: 0; color: #E3ECE9; font-size: .98rem; }

/* ---------- lock log ---------- */

.log-sec { padding: 4rem 0; }
.log-wrap { overflow-x: auto; margin-top: 1.5rem; border: 3px solid var(--black); background: var(--white); }
.log { width: 100%; min-width: 760px; border-collapse: collapse; }
.log caption { caption-side: top; text-align: left; padding: .75rem 1rem; font-family: var(--mono); font-size: .74rem; letter-spacing: .07em; text-transform: uppercase; background: var(--black); color: var(--white); }
.log th, .log td { padding: .85rem 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid #E2E0D8; }
.log thead th { font-family: var(--mono); font-weight: 500; font-size: .7rem; letter-spacing: .07em; text-transform: uppercase; color: var(--grey); }
.log tbody th { font-family: var(--display); font-weight: 500; font-size: 1.45rem; text-transform: uppercase; line-height: 1; width: 22%; }
.log td.pass { font-family: var(--mono); font-size: .8rem; white-space: nowrap; color: var(--water); }
.rise { display: inline-flex; flex-direction: column-reverse; gap: 2px; vertical-align: middle; margin-right: .5rem; }
.rise i { width: 22px; height: 4px; background: #E2E0D8; }
.rise i.on { background: var(--water); }
.rise-note { font-size: .9rem; color: var(--grey); }

/* ---------- stoppage notices ---------- */

.stoppages { padding: 4rem 0; background: var(--white); }
.notice-grid { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; }
.enamel { border: 3px solid var(--black); padding: 0 0 1.1rem; background: var(--towpath); }
.enamel__head { background: var(--red); color: var(--white); font-family: var(--display); font-size: 1.5rem; text-transform: uppercase; letter-spacing: .05em; padding: .35rem 1rem .15rem; line-height: 1; margin-bottom: .9rem; }
.enamel h3, .enamel p { padding: 0 1rem; }
.enamel h3 { font-size: 1.4rem; }
.enamel p { margin: 0; font-size: .98rem; color: #3B3934; }

/* ---------- lock cottage ---------- */

.office { padding: 4rem 0 4.5rem; }
.office__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.reading { list-style: none; padding: 0; margin: 0; border-top: 3px solid var(--black); }
.reading li { border-bottom: 1px solid #CFCDC4; }
.reading a { display: flex; justify-content: space-between; gap: 1rem; padding: .95rem 0; text-decoration: none; color: var(--black); }
.reading strong { font-weight: 700; }
.reading span { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--water); white-space: nowrap; padding-top: .25rem; }
.reading a:hover strong { color: var(--red); text-decoration: underline; }

/* ---------- inner pages ---------- */

.page { padding: 3.5rem 0 4.5rem; }
.page article { max-width: 44em; }
.page h1 { font-size: clamp(2.6rem, 6vw, 4.2rem); }
.page h2 { font-size: 2rem; margin-top: 2.2rem; }
.page p, .page li { margin: 0 0 1rem; }
.page ul { padding-left: 1.2rem; }
.meta { font-family: var(--mono); font-size: .78rem; color: var(--grey); margin-bottom: 2rem; }
.backlink { display: inline-block; margin-top: 2rem; font-family: var(--mono); font-size: .84rem; }
.aside-box { border: 3px solid var(--black); background: var(--white); padding: 1rem 1.2rem; margin: 1.6rem 0; box-shadow: 6px 6px 0 var(--water); }

/* ---------- footer ---------- */

.foot { background: var(--black); color: #C9C7C0; padding: 2rem 0 2.6rem; font-size: .9rem; }
.foot a { color: var(--white); }
.foot nav { display: flex; flex-wrap: wrap; gap: 1.2rem; font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 1rem; }
.foot p { margin: 0; max-width: 60em; }

@media (max-width: 860px) {
  .hero__grid, .chamber__intro, .office__grid { grid-template-columns: 1fr; gap: 2rem; }
  .levels { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .lock .lvl { animation: none; }
}