:root {
    /* light — warm concrete + drafting */
    --ground: #EBE7DF;
    --surface: #F6F3EC;
    --surface-2: #E2DDD2;
    --ink: #1A1C20;
    --ink-soft: #565A62;
    --line: #D2CDC2;
    --accent: #B57E1C;        /* Pittsburgh ochre-gold */
    --accent-ink: #7A5410;    /* darker gold for small text on light */
    --on-accent: #1A1C20;
    --steel: #3C4A54;         /* blueprint slate */
    --grid: rgba(60, 74, 84, 0.10);
    --shadow: 0 1px 2px rgba(26,28,32,.06), 0 12px 30px -14px rgba(26,28,32,.22);
    --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    --sans: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
    --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --ground: #131519;
      --surface: #1B1E23;
      --surface-2: #23272E;
      --ink: #ECE8DF;
      --ink-soft: #A6ABB3;
      --line: #2B2F37;
      --accent: #E0A63A;
      --accent-ink: #F0BE5A;
      --on-accent: #17140C;
      --steel: #7C93A1;
      --grid: rgba(124, 147, 161, 0.10);
      --shadow: 0 1px 2px rgba(0,0,0,.4), 0 18px 40px -18px rgba(0,0,0,.65);
    }
  }
  :root[data-theme="light"] {
    --ground:#EBE7DF; --surface:#F6F3EC; --surface-2:#E2DDD2; --ink:#1A1C20; --ink-soft:#565A62;
    --line:#D2CDC2; --accent:#B57E1C; --accent-ink:#7A5410; --on-accent:#1A1C20; --steel:#3C4A54;
    --grid:rgba(60,74,84,.10); --shadow:0 1px 2px rgba(26,28,32,.06),0 12px 30px -14px rgba(26,28,32,.22);
  }
  :root[data-theme="dark"] {
    --ground:#131519; --surface:#1B1E23; --surface-2:#23272E; --ink:#ECE8DF; --ink-soft:#A6ABB3;
    --line:#2B2F37; --accent:#E0A63A; --accent-ink:#F0BE5A; --on-accent:#17140C; --steel:#7C93A1;
    --grid:rgba(124,147,161,.10); --shadow:0 1px 2px rgba(0,0,0,.4),0 18px 40px -18px rgba(0,0,0,.65);
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  body {
    margin: 0;
    background: var(--ground);
    color: var(--ink);
    font-family: var(--serif);
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }
  .wrap { width: min(1160px, 92vw); margin-inline: auto; }

  /* ---------- type roles ---------- */
  .eyebrow {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--accent-ink);
    margin: 0;
  }
  h1, h2, h3 {
    font-family: var(--sans);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -.01em;
    line-height: .98;
    text-wrap: balance;
    margin: 0;
  }
  h1 { font-size: clamp(2.6rem, 7vw, 5.3rem); }
  h2 { font-size: clamp(1.7rem, 3.6vw, 2.7rem); }
  h3 { font-size: 1.06rem; letter-spacing: .02em; }
  p { margin: 0; }
  .lede { color: var(--ink-soft); font-size: 1.12rem; max-width: 60ch; }

  a { color: inherit; }
  .measure {
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: .1em;
    color: var(--steel);
    display: inline-flex; align-items: center; gap: .5em;
    text-transform: uppercase;
  }
  .measure::before, .measure::after { content: ""; height: 1px; width: 26px; background: var(--steel); opacity: .55; }

  /* ---------- concept ribbon ---------- */
  .concept-tag {
    position: fixed; z-index: 60; right: 14px; bottom: 14px;
    font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase;
    background: var(--ink); color: var(--ground);
    padding: 7px 11px; border-radius: 3px; box-shadow: var(--shadow); opacity: .82;
  }

  /* ---------- nav ---------- */
  header.nav {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in srgb, var(--ground) 88%, transparent);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--line);
  }
  .nav-in { display: flex; align-items: center; gap: 1.5rem; height: 68px; }
  .brand { display: flex; align-items: center; gap: .55rem; font-family: var(--sans); font-weight: 800; letter-spacing: .04em; font-size: 1.28rem; text-decoration: none; }
  .brand .dot { width: 9px; height: 9px; background: var(--accent); display: inline-block; margin-bottom: 1px; }
  .brand small { font-family: var(--mono); font-weight: 400; font-size: .58rem; letter-spacing: .2em; color: var(--ink-soft); text-transform: uppercase; }
  .brand img { height: 50px; width: auto; display: block; border-radius: 18%; }
  .foot-logo { height: 88px; width: auto; display: block; border-radius: 18%; margin-bottom: .5rem; }
  .nav-links { margin-left: auto; display: flex; gap: 1.6rem; }
  .nav-links a { font-family: var(--sans); text-transform: uppercase; font-size: .74rem; letter-spacing: .12em; font-weight: 600; text-decoration: none; color: var(--ink-soft); }
  .nav-links a:hover { color: var(--ink); }
  @media (max-width: 760px) { .nav-links { display: none; } }
  .btn {
    font-family: var(--sans); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; font-size: .78rem;
    background: var(--accent); color: var(--on-accent);
    border: none; padding: .72em 1.25em; border-radius: 4px; cursor: pointer;
    text-decoration: none; display: inline-flex; align-items: center; gap: .5em; white-space: nowrap;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  }
  .btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--accent) 70%, transparent); }
  .btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
  .btn.ghost:hover { border-color: var(--accent); box-shadow: none; }
  .focusable:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 2.5px solid var(--accent); outline-offset: 2px;
  }

  /* ---------- hero ---------- */
  .hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
  .hero::before {
    content: ""; position: absolute; inset: 0; z-index: 0;
    background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 34px 34px; mask-image: radial-gradient(120% 90% at 20% 10%, #000 40%, transparent 78%);
  }
  .hero-in { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; padding: clamp(3rem, 7vw, 6rem) 0 clamp(3rem, 6vw, 5rem); }
  @media (max-width: 900px) { .hero-in { grid-template-columns: 1fr; } }
  .hero h1 span { color: var(--accent); }
  .hero .lede { margin-top: 1.4rem; }
  .hero-cta { display: flex; gap: .8rem; margin-top: 2rem; flex-wrap: wrap; }
  .hero-stats { display: flex; gap: 1.8rem; margin-top: 2.6rem; flex-wrap: wrap; }
  .stat .n { font-family: var(--sans); font-weight: 800; font-size: 2rem; line-height: 1; font-variant-numeric: tabular-nums; }
  .stat .l { font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); margin-top: .4rem; }

  /* photo placeholder frame w/ drafting marks */
  .frame {
    position: relative; aspect-ratio: 4/5; border: 1.5px solid var(--line);
    background:
      repeating-linear-gradient(135deg, transparent 0 18px, color-mix(in srgb, var(--steel) 8%, transparent) 18px 19px),
      var(--surface-2);
    border-radius: 6px; display: grid; place-items: center; box-shadow: var(--shadow); overflow: hidden;
  }
  .frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .frame .tick { position: absolute; width: 14px; height: 14px; border: 1.5px solid var(--accent); z-index: 1; }
  .frame .tick.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
  .frame .tick.tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
  .frame .tick.bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
  .frame .tick.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
  .frame .cap { text-align: center; padding: 1rem; }
  .frame .cap .k { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
  .frame .cap .t { font-family: var(--sans); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; margin-top: .4rem; font-size: 1.05rem; }
  .frame .badge { position: absolute; top: 12px; left: 12px; background: var(--accent); color: var(--on-accent); font-family: var(--mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; padding: 4px 8px; border-radius: 3px; }

  /* ---------- trust strip ---------- */
  .trust { border-bottom: 1px solid var(--line); background: var(--surface); }
  .trust-in { display: flex; flex-wrap: wrap; gap: 1rem 2.4rem; align-items: center; justify-content: space-between; padding: 1.1rem 0; }
  .trust .item { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); display: flex; align-items: center; gap: .6rem; }
  .trust .item b { color: var(--ink); font-family: var(--sans); font-weight: 700; }
  .trust svg { width: 16px; height: 16px; stroke: var(--accent); fill: none; stroke-width: 2; }

  /* ---------- section shell ---------- */
  section.band { padding: clamp(3.5rem, 8vw, 6rem) 0; }
  .sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 2.6rem; }
  .sec-head .lede { margin-top: .8rem; }

  /* ---------- services grid ---------- */
  .grid-svc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
  @media (max-width: 820px) { .grid-svc { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 520px) { .grid-svc { grid-template-columns: 1fr; } }
  .svc { background: var(--surface); padding: 1.7rem 1.6rem; display: flex; flex-direction: column; gap: .6rem; transition: background .18s ease; position: relative; }
  .svc:hover { background: var(--surface-2); }
  .svc .no { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; color: var(--accent-ink); }
  .svc p { color: var(--ink-soft); font-size: .97rem; }
  .svc .arrow { margin-top: auto; font-family: var(--sans); font-weight: 700; text-transform: uppercase; font-size: .72rem; letter-spacing: .1em; color: var(--ink); opacity: .0; transform: translateX(-4px); transition: .18s ease; }
  .svc:hover .arrow { opacity: 1; transform: translateX(0); }
  /* clickable service card (Decks) — always shows its link */
  a.svc-link { text-decoration: none; color: inherit; }
  a.svc-link .arrow { opacity: 1; transform: none; color: var(--accent-ink); }
  a.svc-link::after { content: ""; position: absolute; inset: 0; }
  a.svc-link:hover .arrow { transform: translateX(3px); }

  /* ---------- before / after project ---------- */
  .project + .project { margin-top: clamp(2.5rem, 5vw, 4rem); }
  .project-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-bottom: 1.1rem; border-bottom: 1px solid var(--line); margin-bottom: 1.7rem; }
  .project-head h3 { font-size: 1.15rem; }
  .ph-right { display: flex; align-items: baseline; gap: 1.2rem; flex-wrap: wrap; }
  .proj-link { font-family: var(--sans); font-weight: 700; text-transform: uppercase; font-size: .72rem; letter-spacing: .1em; color: var(--accent-ink); text-decoration: none; white-space: nowrap; transition: color .18s ease; }
  .proj-link:hover { color: var(--accent); }
  .ba-group + .ba-group { margin-top: 1.7rem; }
  .ba-label { font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); display: flex; align-items: center; gap: .6rem; margin: 0 0 .85rem; }
  .ba-label::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--steel); }
  .ba-label.is-after { color: var(--accent-ink); }
  .ba-label.is-after::before { background: var(--accent); }
  .ba-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; }
  @media (max-width: 640px) { .ba-row { grid-template-columns: 1fr 1fr; } }
  .photo { position: relative; margin: 0; aspect-ratio: 4/3; border: 1.5px solid var(--line); border-radius: 6px; overflow: hidden; background: var(--surface-2); box-shadow: var(--shadow); }
  .photo img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s ease; }
  .photo:hover img { transform: scale(1.045); }
  @media (prefers-reduced-motion: reduce) { .photo:hover img { transform: none; } }
  .photo .tag { position: absolute; top: 10px; left: 10px; font-family: var(--mono); font-size: .58rem; letter-spacing: .1em; text-transform: uppercase; padding: 3px 7px; border-radius: 3px; background: var(--steel); color: #fff; }
  .photo .tag.is-after { background: var(--accent); color: var(--on-accent); }

  /* ---------- deck portfolio page ---------- */
  .proj-no { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; color: var(--accent-ink); margin-right: .6rem; }
  .deck-jump { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.2rem; }
  .deck-jump a { font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; border: 1px solid var(--line); padding: .5em .75em; border-radius: 4px; transition: border-color .18s ease, color .18s ease; }
  .deck-jump a:hover { border-color: var(--accent); color: var(--accent-ink); }
  .deck-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; }
  @media (max-width: 760px) { .deck-gallery { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 440px) { .deck-gallery { grid-template-columns: 1fr; } }
  /* masonry gallery for mixed-shape photos (renovation collages) */
  .reno-gallery { columns: 3; column-gap: .9rem; }
  @media (max-width: 900px) { .reno-gallery { columns: 2; } }
  @media (max-width: 560px) { .reno-gallery { columns: 1; } }
  .reno-gallery .photo { break-inside: avoid; margin: 0 0 .9rem; aspect-ratio: auto; display: block; }
  .reno-gallery .photo img { height: auto; }

  /* ---------- process ---------- */
  .process { background: var(--surface); border-block: 1px solid var(--line); }
  .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; counter-reset: step; }
  @media (max-width: 820px) { .steps { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }
  .step { position: relative; padding-top: 2.4rem; }
  .step::before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; top: 0; left: 0; font-family: var(--mono); font-weight: 500; font-size: .8rem; letter-spacing: .1em; color: var(--accent-ink); }
  .step::after { content: ""; position: absolute; top: 6px; left: 2.6rem; right: 0; height: 1px; background: var(--line); }
  .step:last-child::after { display: none; }
  .step h3 { margin-bottom: .5rem; }
  .step p { color: var(--ink-soft); font-size: .96rem; }

  /* ---------- parallax band ---------- */
  .parallax {
    position: relative;
    background-image: linear-gradient(rgba(18,20,24,.66), rgba(18,20,24,.66)), url('images/optimized/after-1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    border-block: 1px solid var(--line);
  }
  .parallax-inner { padding: clamp(4.5rem, 13vw, 9rem) 0; text-align: center; }
  .parallax .eyebrow { color: var(--accent); }
  .parallax h2 { color: #fff; text-wrap: balance; }
  .parallax .btn { margin-top: 1.8rem; }
  /* background-attachment:fixed is janky/broken on mobile and for reduced-motion users */
  @media (max-width: 820px) { .parallax { background-attachment: scroll; } }
  @media (prefers-reduced-motion: reduce) { .parallax { background-attachment: scroll; } }

  /* ---------- testimonial ---------- */
  .quote-band .q { font-family: var(--serif); font-size: clamp(1.4rem, 3.2vw, 2.15rem); line-height: 1.3; max-width: 22ch; font-style: italic; }
  .quote-band .q b { color: var(--accent-ink); font-style: normal; }
  .quote-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: clamp(1.5rem,4vw,3.5rem); align-items: start; }
  @media (max-width: 780px) { .quote-grid { grid-template-columns: 1fr; } }
  .revcards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  @media (max-width: 560px) { .revcards { grid-template-columns: 1fr; } }
  .rev { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 1.3rem 1.4rem; box-shadow: var(--shadow); }
  .rev .stars { color: var(--accent); letter-spacing: .1em; font-size: .9rem; }
  .rev p { font-size: 1rem; margin: .5rem 0 .8rem; }
  .rev .who { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }

  /* ---------- CTA / form ---------- */
  .cta { position: relative; overflow: hidden; background: var(--ink); color: var(--ground); border-radius: 12px; padding: clamp(2rem, 5vw, 3.4rem); box-shadow: var(--shadow); }
  .cta::before { content:""; position:absolute; inset:0; background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 30px 30px; opacity: .5; }
  .cta-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: start; }
  @media (max-width: 780px) { .cta-grid { grid-template-columns: 1fr; } }
  .cta h2 { color: var(--ground); }
  .cta .lede { color: color-mix(in srgb, var(--ground) 78%, transparent); }
  .cta .eyebrow { color: var(--accent); }
  form { display: grid; gap: .8rem; }
  .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
  @media (max-width: 460px){ .row2 { grid-template-columns: 1fr; } }
  label { font-family: var(--mono); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; color: color-mix(in srgb, var(--ground) 70%, transparent); display: block; margin-bottom: .35rem; }
  input, select, textarea { width: 100%; font-family: var(--sans); font-size: .95rem; padding: .7em .8em; border-radius: 5px; border: 1px solid color-mix(in srgb, var(--ground) 25%, transparent); background: color-mix(in srgb, var(--ink) 60%, #fff 6%); color: var(--ground); }
  input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--ground) 45%, transparent); }
  .cta .btn { width: 100%; justify-content: center; padding: .9em; font-size: .85rem; }
  .toast { position: fixed; z-index: 70; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(20px); background: var(--accent); color: var(--on-accent); font-family: var(--sans); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: .8rem; padding: .8em 1.3em; border-radius: 6px; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: .3s ease; }
  .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

  /* ---------- footer ---------- */
  footer { border-top: 1px solid var(--line); padding: 3rem 0 4.5rem; }
  .foot-grid { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: flex-start; }
  .foot-col { display: grid; gap: .5rem; }
  .foot-col .h { font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: .3rem; }
  .foot-col a, .foot-col span { font-family: var(--sans); font-size: .92rem; text-decoration: none; color: var(--ink); }
  .foot-col a:hover { color: var(--accent-ink); }
  .social { display: flex; gap: .6rem; margin-top: .6rem; }
  .social a { display: inline-grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 7px; color: var(--ink-soft); transition: color .18s ease, border-color .18s ease, transform .18s ease; }
  .social a:hover { color: var(--accent-ink); border-color: var(--accent); transform: translateY(-1px); }
  .social svg { width: 18px; height: 18px; }
  .foot-note { margin-top: 2.4rem; font-family: var(--mono); font-size: .64rem; letter-spacing: .06em; color: var(--ink-soft); border-top: 1px solid var(--line); padding-top: 1.4rem; }

  /* reveal */
  .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.in { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }