/* Layout: a plan set. Each page reads like a drawing sheet: drafting-paper ground,
   pool-blue ink from the DPP logo, dimension lines and a title block as the recurring motif. */
:root {
  --paper: #f2f6f8;
  --sheet: #ffffff;
  --ink: #102a3a;
  --ink-soft: #4a6273;
  --rule: #c8d7df;
  --grid: rgba(16, 90, 150, 0.07);
  --pool: #0b5c9e;
  --pool-deep: #08406f;
  --water: #e1eff7;
  --on-pool: #ffffff;
  --display: "Bahnschrift", "DIN Alternate", "Roboto Condensed", "Arial Narrow", system-ui, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
  --measure: 66ch;
  --radius: 4px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0b161d;
    --sheet: #102029;
    --ink: #e3eef3;
    --ink-soft: #9db4c1;
    --rule: #26404e;
    --grid: rgba(120, 190, 240, 0.06);
    --pool: #5aaee6;
    --pool-deep: #8cc8f0;
    --water: #12303f;
    --on-pool: #06202f;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0b161d;
  --sheet: #102029;
  --ink: #e3eef3;
  --ink-soft: #9db4c1;
  --rule: #26404e;
  --grid: rgba(120, 190, 240, 0.06);
  --pool: #5aaee6;
  --pool-deep: #8cc8f0;
  --water: #12303f;
  --on-pool: #06202f;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font: 17px/1.6 var(--body);
}
img { max-width: 100%; height: auto; }
a { color: var(--pool); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--pool); outline-offset: 2px;
}
h1, h2, h3 { font-family: var(--display); line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0; }
.wrap { width: 100%; max-width: 1080px; margin-inline: auto; padding-inline: 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--sheet); padding: 8px 12px; z-index: 10; }

/* Header */
.site-head { background: var(--sheet); border-bottom: 1px solid var(--rule); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.brand-mark { width: 54px; height: 36px; background: #ffffff; border-radius: var(--radius); padding: 3px; object-fit: contain; }
.brand-name { font-family: var(--display); font-size: 1.2rem; font-weight: 600; letter-spacing: 0.01em; }
.nav { display: flex; gap: 4px 20px; flex-wrap: wrap; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; padding-block: 6px; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--pool); }

/* Labels and dimension motif */
.label { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.dim { display: flex; align-items: center; gap: 10px; color: var(--ink-soft); font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; }
.dim::before, .dim::after { content: ""; flex: 1; height: 1px; background: var(--rule); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 1rem/1 var(--body); padding: 14px 20px; border-radius: var(--radius); text-decoration: none; border: 2px solid var(--pool); cursor: pointer; }
.btn-primary { background: var(--pool); color: var(--on-pool); }
.btn-primary:hover { background: var(--pool-deep); border-color: var(--pool-deep); }
.btn-ghost { background: transparent; color: var(--pool); }
.btn-ghost:hover { background: var(--water); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Hero */
.hero { padding-block: 56px 48px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.hero-copy { display: grid; gap: 20px; }
.hero-copy p { font-size: 1.15rem; color: var(--ink-soft); max-width: 46ch; }
.drawing { background: var(--sheet); border: 1px solid var(--rule); padding: 16px; display: grid; gap: 10px; }
.drawing svg { width: 100%; height: auto; display: block; }
.title-block { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--rule); font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; }
.title-block div { padding: 6px 8px; border-right: 1px solid var(--rule); min-width: 0; }
.title-block div:last-child { border-right: 0; }
.title-block b { display: block; color: var(--ink); font-weight: 600; letter-spacing: 0.02em; }
.title-block span { color: var(--ink-soft); }

/* Sections */
.section { padding-block: 56px; }
.section-head { display: grid; gap: 10px; margin-bottom: 28px; max-width: var(--measure); }
.section-head p { color: var(--ink-soft); }
.band { background: var(--sheet); border-block: 1px solid var(--rule); }

/* Package cards */
.packages { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.pkg { background: var(--sheet); border: 1px solid var(--rule); display: grid; grid-template-rows: auto auto 1fr auto; gap: 16px; padding: 24px; }
.pkg-top { display: grid; gap: 6px; }
.price { font-family: var(--display); font-size: 2.2rem; font-weight: 600; color: var(--pool); font-variant-numeric: tabular-nums; }
.pkg ul { margin: 0; padding-left: 1.1em; display: grid; gap: 6px; color: var(--ink); }
.pkg .note { font-size: 0.9rem; color: var(--ink-soft); }
.pkg.feature { border: 2px solid var(--pool); }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: step; }
.steps li { counter-increment: step; display: grid; gap: 8px; padding-top: 14px; border-top: 2px solid var(--pool); }
.steps li::before { content: "Step " counter(step); font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--pool); }
.steps p { color: var(--ink-soft); }

/* Detail pages */
.page-head { padding-block: 48px 8px; }
.page-head .wrap { display: grid; gap: 14px; max-width: 1080px; }
.page-head p { color: var(--ink-soft); font-size: 1.1rem; max-width: var(--measure); }
.detail { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 32px; background: var(--sheet); border: 1px solid var(--rule); padding: 28px; scroll-margin-top: 16px; }
.detail + .detail { margin-top: 24px; }
.detail-body { display: grid; gap: 18px; max-width: var(--measure); }
.detail-body h3 { margin-top: 6px; }
.detail-body ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; }
.detail-side { display: grid; align-content: start; gap: 14px; border-left: 1px solid var(--rule); padding-left: 24px; }
.check li::marker { color: var(--pool); }
.not-incl { color: var(--ink-soft); }
.prose { display: grid; gap: 16px; max-width: var(--measure); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 32px; }
.contact-facts { display: grid; gap: 18px; align-content: start; }
.fact { display: grid; gap: 2px; }
.fact .value { font-size: 1.15rem; font-weight: 600; user-select: all; overflow-wrap: anywhere; }
form.card { background: var(--sheet); border: 1px solid var(--rule); padding: 24px; display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: 0.95rem; }
.field input, .field select, .field textarea { font: inherit; color: var(--ink); background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); padding: 10px 12px; width: 100%; }
.field textarea { min-height: 140px; resize: vertical; }
.row2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.hp { position: absolute; left: -5000px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: 0.9rem; color: var(--ink-soft); }

/* Footer */
.site-foot { border-top: 1px solid var(--rule); background: var(--sheet); margin-top: 56px; }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 32px; padding-block: 28px; font-size: 0.95rem; color: var(--ink-soft); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-foot a { color: var(--ink-soft); }

@media (max-width: 860px) {
  .hero .wrap, .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .packages, .steps { grid-template-columns: minmax(0, 1fr); }
  .detail { grid-template-columns: minmax(0, 1fr); }
  .detail-side { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 18px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 16px; }
  .row2 { grid-template-columns: minmax(0, 1fr); }
  .title-block { grid-template-columns: minmax(0, 1fr); }
  .title-block div { border-right: 0; border-bottom: 1px solid var(--rule); }
  .title-block div:last-child { border-bottom: 0; }
  .detail { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

/* Recent work */
.work { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); grid-template-rows: auto auto; gap: 20px; }
.work figure { margin: 0; display: grid; gap: 8px; align-content: start; }
.work img, .work video { width: 100%; height: auto; display: block; border: 1px solid var(--rule); background: var(--sheet); }
.work-main { grid-column: 1; grid-row: 1; }
.work-video { grid-column: 1; grid-row: 2; }
.work-tall { grid-column: 2; grid-row: 1 / span 2; }
@media (max-width: 860px) {
  .work { grid-template-columns: minmax(0, 1fr); }
  .work-main, .work-video, .work-tall { grid-column: 1; grid-row: auto; }
  .work-tall video { max-width: 360px; margin-inline: auto; }
}

/* Contractor plans */
.sample { margin: 0; display: grid; gap: 8px; }
.sample img { width: 100%; height: auto; display: block; border: 1px solid var(--rule); background: #ffffff; }
.detail.contractor { border: 2px solid var(--pool); }
.contractor .sample { max-width: 460px; }
.contractor-top { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.contractor-band { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 32px; align-items: center; }
.contractor-band .section-head { margin-bottom: 0; }
.price-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.price-table td { padding: 8px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.price-table td:last-child { text-align: right; font-weight: 600; white-space: nowrap; padding-left: 16px; }
.cform fieldset { border: 0; margin: 0; padding: 0 0 8px; display: grid; gap: 14px; }
.cform legend { font-family: var(--display); font-size: 1.25rem; font-weight: 600; padding: 0 0 6px; }
.cform .opt { font-weight: 400; color: var(--ink-soft); }
.choice label { display: flex; gap: 10px; align-items: baseline; cursor: pointer; }
.choice b { margin-left: auto; font-variant-numeric: tabular-nums; white-space: nowrap; }
.choice input { accent-color: var(--pool); }
.total { font-size: 1.15rem; border-top: 2px solid var(--pool); padding-top: 12px; }
.total b { color: var(--pool); font-family: var(--display); font-size: 1.4rem; }
.notice { background: var(--water); border: 1px solid var(--rule); border-radius: var(--radius); padding: 16px; display: grid; gap: 10px; }
.agree { display: flex; gap: 10px; align-items: center; font-weight: 600; }
@media (max-width: 860px) {
  .contractor-top, .contractor-band { grid-template-columns: minmax(0, 1fr); }
  .contractor .sample { max-width: none; }
}

[hidden] { display: none !important; }
.price-lead { display: block; font-family: var(--body); font-size: 1rem; font-weight: 600; color: var(--ink-soft); }

/* Sticky banner, and the big logo on the home page */
.site-head { position: sticky; top: 0; z-index: 20; }
[id] { scroll-margin-top: 120px; }
.hero-logo { width: clamp(150px, 22vw, 230px); height: auto; display: block; }
.site-head .brand { transition: opacity .25s ease; }
.site-head.brand-waiting .brand { opacity: 0; pointer-events: none; }
.site-head.brand-waiting.brand-shown .brand { opacity: 1; pointer-events: auto; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hero-logo { background: #ffffff; border-radius: 8px; padding: 10px; }
}
:root[data-theme="dark"] .hero-logo { background: #ffffff; border-radius: 8px; padding: 10px; }
@media (prefers-reduced-motion: reduce) { .site-head .brand { transition: none; } }
@media (max-width: 520px) {
  .site-head .wrap { padding-block: 8px; row-gap: 4px; }
  .nav { flex-wrap: nowrap; overflow-x: auto; gap: 18px; width: 100%; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { white-space: nowrap; }
  .site-head.brand-waiting:not(.brand-shown) .brand { display: none; }
  [id] { scroll-margin-top: 100px; }
}
@media (max-width: 520px) {
  .nav { gap: 14px; font-size: 0.92rem; justify-content: space-between; }
}
@media (max-width: 370px) { .nav { gap: 10px; font-size: 0.88rem; } }