/* ==========================================================================
   PrimeGround Projects — variant 2: "Engineered ground"
   The page as a set of engineering documents for the ground itself.
   Palette: ink #141414 / raw-concrete greys / clay #B4552D / paper white.
   Type: Anton (display caps) / IBM Plex Mono (labels, measurements) / Archivo (body).
   Motifs: datum rules, mono micro-labels, hatching, report plates.
   ========================================================================== */

:root {
  --ink: #141414;
  --ink-2: #1F1F1E;
  --paper: #FAFAF8;
  --grey: #E7E5E0;         /* raw concrete */
  --grey-mid: #C9C6BE;
  --grey-deep: #8F8C86;
  --clay: #B4552D;
  --clay-deep: #8F4020;    /* small text on light */
  --clay-lift: #D97742;    /* text accents on ink */
  --text-dark: #EDEBE6;    /* body text on ink */
  --rule: rgba(20, 20, 20, 0.85);
  --rule-soft: rgba(20, 20, 20, 0.25);
  --rule-dark: rgba(237, 235, 230, 0.28);

  --disp: 'Anton', 'Arial Narrow', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
  --body: 'Archivo', -apple-system, 'Helvetica Neue', sans-serif;

  --ease: cubic-bezier(0.3, 0.6, 0.2, 1);
  --gutter: clamp(1.15rem, 4vw, 3rem);
  --sect-y: clamp(4rem, 9vw, 7.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  font-family: var(--body);
  font-weight: 400;
  font-size: 1.03rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }

.wrap { width: min(1240px, 100% - 2 * var(--gutter)); margin-inline: auto; }

:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; }
::selection { background: var(--clay); color: var(--paper); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 300;
  background: var(--clay); color: var(--paper); padding: 0.7rem 1.2rem;
  font: 500 0.85rem var(--mono);
}
.skip:focus { left: 0; }

.below { background: var(--ink); color: var(--text-dark); }
.clay { color: var(--clay); }
.below .clay { color: var(--clay-lift); }

/* --- Type roles ---------------------------------------------------------- */

.display {
  font-family: var(--disp);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.005em;
  line-height: 0.96;
}
.display--ground { font-size: clamp(3.6rem, 11.5vw, 9.5rem); line-height: 0.92; letter-spacing: -0.005em; }
.display--ground > span { display: block; }
.display--sect { font-size: clamp(2.1rem, 5.2vw, 4rem); max-width: 20ch; }

.mono-eyebrow, .mono-index {
  font: 500 0.78rem var(--mono);
  letter-spacing: 0.09em;
  margin: 0 0 1.4rem;
}
.mono-index { color: var(--clay-deep); }
.below .mono-index { color: var(--clay-lift); }
.mono-eyebrow { color: var(--grey-deep); }

.sect-lead {
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  line-height: 1.55;
  max-width: 56ch;
  margin-top: 1.3rem;
}

/* --- Buttons / links ------------------------------------------------------ */

.btn {
  display: inline-block;
  font: 600 0.86rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--paper);
  background: var(--clay);
  border: 1px solid var(--clay);
  padding: 1.05rem 2rem;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { background: var(--clay-deep); border-color: var(--clay-deep); }
.btn--wide { width: 100%; text-align: center; }

.mono-phone {
  font: 500 0.92rem var(--mono);
  letter-spacing: 0.07em;
  text-decoration: none;
  border-bottom: 1px solid var(--rule-dark);
  padding-bottom: 0.2rem;
}
.mono-phone:hover { color: var(--clay-lift); border-color: var(--clay-lift); }
.mono-phone--dark { border-color: var(--rule-soft); }
.mono-phone--dark:hover { color: var(--clay-deep); border-color: var(--clay-deep); }

/* --- Nav ------------------------------------------------------------------ */

.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--ink); color: var(--text-dark);
  border-bottom: 1px solid var(--rule-dark);
}
.site-nav > .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 72px;
}
.brand { text-decoration: none; display: flex; flex-direction: column; gap: 0.15rem; }
.brand-name {
  font-family: var(--disp); font-size: 1.35rem; text-transform: uppercase;
  letter-spacing: 0.03em; line-height: 1; color: var(--paper);
}
.brand-sub { font: 500 0.62rem var(--mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--grey-deep); }

.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-link {
  font: 500 0.78rem var(--mono);
  letter-spacing: 0.05em; text-transform: uppercase;
  text-decoration: none; padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.nav-link:hover { border-color: var(--clay-lift); color: var(--paper); }
.nav-link--cta { color: var(--clay-lift); border-bottom-color: var(--clay-lift); }
.nav-phone { font: 600 0.78rem var(--mono); letter-spacing: 0.05em; text-decoration: none; color: var(--paper); background: var(--ink-2); border: 1px solid var(--rule-dark); padding: 0.7rem 1rem; white-space: nowrap; }
.nav-phone:hover { border-color: var(--clay-lift); color: var(--clay-lift); }

.nav-toggle { display: none; background: none; border: 1px solid var(--rule-dark); cursor: pointer; width: 46px; height: 40px; padding: 10px 11px; }
.nav-toggle span { display: block; height: 2px; background: var(--paper); margin: 5px 0; }

@media (max-width: 1020px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); border-bottom: 1px solid var(--rule-dark);
    max-height: 0; overflow: hidden; transition: max-height 0.3s var(--ease);
  }
  .nav-links.is-open { max-height: 32rem; }
  .nav-links li { border-top: 1px solid var(--rule-dark); }
  .nav-link, .nav-phone { display: block; padding: 1.05rem var(--gutter); border: 0; }
  .nav-phone { margin: 0.6rem var(--gutter) 1.2rem; text-align: center; border: 1px solid var(--rule-dark); }
}

/* --- Ground (hero) -------------------------------------------------------- */

.ground { border-bottom: 1px solid var(--rule-dark); }
.ground-grid {
  display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem); align-items: end;
  padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem);
}
.ground-lead { max-width: 46ch; font-size: clamp(1.02rem, 1.6vw, 1.22rem); color: var(--text-dark); margin: 1.6rem 0 2.2rem; }
.ground-cta { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.borelog { max-width: 250px; justify-self: end; width: 100%; }
@media (max-width: 860px) {
  .ground-grid { grid-template-columns: 1fr; align-items: start; }
  .borelog { max-width: 210px; justify-self: start; }
}

.spec-strip { border-top: 1px solid var(--rule-dark); }
.spec-strip ul {
  display: flex; flex-wrap: wrap;
  font: 500 0.72rem var(--mono); letter-spacing: 0.09em;
  color: var(--grey-deep);
}
.spec-strip li { padding: 0.95rem 1.75rem 0.95rem 0; margin-right: 1.75rem; border-right: 1px solid var(--rule-dark); }
.spec-strip li:last-child { border-right: 0; margin-right: 0; }
@media (max-width: 640px) {
  .spec-strip li { border-right: 0; padding: 0.4rem 0; margin: 0; width: 100%; }
  .spec-strip ul { padding: 0.7rem 0; }
}

/* --- Sections ------------------------------------------------------------- */

.sect { padding: var(--sect-y) 0; }
.sect--grey { background: var(--grey); }
.sect-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); position: relative; }
.sect-head::before { content: ""; display: block; border-top: 1px solid var(--rule); margin-bottom: 2rem; }
.below .sect-head::before, .below.sect .wrap > div > .mono-index { border-color: var(--rule-dark); }

/* --- 01 specialty ---------------------------------------------------------- */

.wall-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(2rem, 5vw, 4.5rem); align-items: start;
}
.drawing { border: 1px solid var(--rule); padding: clamp(1rem, 2.5vw, 2rem); background: var(--paper); }
.notes li { display: grid; grid-template-columns: 3rem 1fr; gap: 0.6rem; padding: 1.1rem 0; border-top: 1px solid var(--rule-soft); }
.notes li:first-child { border-top: 1px solid var(--rule); }
.notes li:last-child { border-bottom: 1px solid var(--rule); }
.note-no { font: 600 0.78rem var(--mono); color: var(--clay-deep); padding-top: 0.3rem; }
.notes h3 { font-family: var(--disp); font-weight: 400; text-transform: uppercase; font-size: 1.2rem; letter-spacing: 0.02em; margin-bottom: 0.35rem; }
.notes p { margin: 0; font-size: 0.98rem; }

.specs { margin-top: 2rem; display: grid; gap: 0.9rem; }
.specs div { display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem; }
.specs dt { font: 600 0.72rem var(--mono); letter-spacing: 0.08em; color: var(--clay-deep); padding-top: 0.25rem; }
.specs dd { font-size: 0.96rem; }
@media (max-width: 900px) { .wall-grid { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .specs div { grid-template-columns: 1fr; gap: 0.15rem; } }

/* --- Plates (report photos) ------------------------------------------------ */

.plates {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}
.plate-frame { position: relative; border: 1px solid var(--rule); padding: 8px; background: var(--paper); }
.plate-frame img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; filter: grayscale(1) contrast(1.05); }
.plate-tint { position: absolute; inset: 8px; background: var(--clay); mix-blend-mode: color; pointer-events: none; opacity: 0.38; }
.plate figcaption { font: 500 0.72rem var(--mono); letter-spacing: 0.07em; color: var(--ink); margin-top: 0.7rem; }
.plate--row { max-width: 520px; margin-top: 1.4rem; }
@media (max-width: 700px) { .plates { grid-template-columns: 1fr; } }

/* --- Ledger (02–05) --------------------------------------------------------- */

.ledger { border-top: 2px solid var(--rule); }
.job { border-bottom: 1px solid var(--rule); }
.job summary {
  display: grid; grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 1.4fr) 2.5rem;
  gap: 1.25rem; align-items: center;
  padding: clamp(1.2rem, 2.5vw, 1.8rem) 0;
  cursor: pointer; list-style: none;
}
.job summary::-webkit-details-marker { display: none; }
.job-no { font: 500 0.95rem var(--mono); color: var(--clay-deep); }
.job-name { font-family: var(--disp); font-weight: 400; text-transform: uppercase; font-size: clamp(1.5rem, 3.4vw, 2.4rem); line-height: 1; }
.job-scope { font: 500 0.7rem var(--mono); letter-spacing: 0.07em; color: var(--grey-deep); }
.job-hit { font: 400 1.5rem var(--mono); color: var(--clay-deep); text-align: right; line-height: 1; transition: transform 0.25s var(--ease); }
.job[open] .job-hit { transform: rotate(45deg); }
.job summary:hover .job-name { color: var(--clay-deep); }
.job-body { padding: 0 0 clamp(1.5rem, 3vw, 2.25rem) 4.5rem; }
.job-body > p { max-width: 62ch; }
@media (max-width: 760px) {
  .job summary { grid-template-columns: 3rem minmax(0, 1fr) 2rem; }
  .job-scope { grid-column: 2; grid-row: 2; }
  .job-hit { grid-row: 1; grid-column: 3; }
  .job-body { padding-left: 0; }
}

/* --- Area table -------------------------------------------------------------- */

.area-table {
  width: 100%; border-collapse: collapse;
  border-top: 2px solid var(--rule); border-bottom: 2px solid var(--rule);
}
.area-table th {
  font: 600 0.7rem var(--mono); letter-spacing: 0.09em; text-align: left;
  color: var(--grey-deep); padding: 0.8rem 1rem 0.8rem 0;
  border-bottom: 1px solid var(--rule);
}
.area-table td { padding: 0.72rem 1rem 0.72rem 0; border-bottom: 1px solid var(--rule-soft); }
.area-table td:first-child { font: 500 0.8rem var(--mono); color: var(--grey-deep); width: 5.5rem; }
.area-table td:nth-child(2) { font-weight: 600; font-size: 1.05rem; }
.area-table td:last-child { font: 500 0.72rem var(--mono); letter-spacing: 0.08em; color: var(--grey-deep); width: 9rem; }
.area-table tr.is-home td:nth-child(2) { color: var(--clay-deep); }
.area-table tr.is-home td:last-child { color: var(--clay-deep); }
.area-table tr.area-all td { border-bottom: 0; }
.area-table tr.area-all td:nth-child(2) { font-family: var(--disp); font-weight: 400; text-transform: uppercase; font-size: 1.3rem; }
.area-note { margin-top: 1.6rem; font-size: 0.98rem; color: var(--ink); display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: baseline; }

/* --- The standard (manifesto) -------------------------------------------------- */

.why-grid {
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem); align-items: center;
}
.why-grid > div:first-child .mono-index::before { content: ""; display: block; border-top: 1px solid var(--rule-dark); margin-bottom: 2rem; }
.manifesto { margin-top: 1.6rem; max-width: 58ch; color: var(--text-dark); font-size: 1.05rem; }
.stamp {
  font-family: var(--disp); text-transform: uppercase; line-height: 0.98;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  color: var(--clay-lift);
  border: 3px solid var(--clay-lift);
  padding: clamp(1.25rem, 3vw, 2rem);
  display: inline-flex; flex-direction: column;
  transform: rotate(-2.5deg);
  margin: 0;
}
.stamp-sub { font: 500 0.7rem var(--mono); letter-spacing: 0.12em; color: var(--grey-deep); margin-top: 1.2rem; }
@media (max-width: 860px) { .why-grid { grid-template-columns: 1fr; } }

/* --- Docket (form) --------------------------------------------------------------- */

.docket-wrap { max-width: 820px; }
.docket-head { margin-bottom: clamp(2rem, 4vw, 3rem); }
.docket-head::before { content: ""; display: block; border-top: 1px solid var(--rule); margin-bottom: 2rem; }
.docket-contact {
  margin-top: 2.2rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem; border-top: 2px solid var(--rule); border-bottom: 2px solid var(--rule);
  padding: 1.1rem 0;
}
@media (max-width: 640px) { .docket-contact { grid-template-columns: 1fr; } }
.docket-contact dt { font: 600 0.7rem var(--mono); letter-spacing: 0.09em; color: var(--clay-deep); margin-bottom: 0.15rem; }
.docket-contact dd a { text-decoration: none; font-weight: 600; font-size: 1.1rem; border-bottom: 1px solid var(--rule-soft); }
.docket-contact dd a:hover { border-color: var(--clay); color: var(--clay-deep); }
.docket-contact div:first-child dd a { font-family: var(--disp); font-weight: 400; font-size: clamp(1.5rem, 2.4vw, 1.9rem); border-bottom-width: 2px; }

.docket { border: 1px solid var(--rule); padding: clamp(1.5rem, 3.5vw, 2.75rem); background: var(--paper); }
.docket .field { margin-bottom: 1.6rem; }
.docket label {
  display: block; font: 600 0.72rem var(--mono); letter-spacing: 0.09em;
  color: var(--ink); margin-bottom: 0.45rem;
}
.docket input, .docket select, .docket textarea {
  width: 100%; font: 500 1.05rem var(--body); color: var(--ink);
  background: transparent; border: 0; border-bottom: 2px solid var(--rule);
  border-radius: 0; padding: 0.55rem 0.1rem;
  transition: border-color 0.2s var(--ease);
}
.docket textarea { resize: vertical; line-height: 1.5; }
.docket input:focus, .docket select:focus, .docket textarea:focus { outline: none; border-color: var(--clay); }
.docket select { appearance: none; background-image: linear-gradient(45deg, transparent 49%, var(--ink) 50%), linear-gradient(-45deg, transparent 49%, var(--ink) 50%); background-position: calc(100% - 14px) 55%, calc(100% - 8px) 55%; background-size: 6px 6px; background-repeat: no-repeat; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { font: 500 0.86rem var(--mono); min-height: 1.2rem; margin-top: 1rem; }
.form-status.is-ok { color: #2E5C1F; }
.form-status.is-err { color: var(--clay-deep); }
.form-note { font-size: 0.9rem; color: var(--grey-deep); margin-top: 0.6rem; }
.form-note a { color: var(--ink); }


/* --- Footer -------------------------------------------------------------------- */

.site-footer { border-top: 1px solid var(--rule-dark); padding: clamp(3rem, 6vw, 4.5rem) 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
.brand-name--ft { margin: 0 0 1rem; font-size: 1.6rem; }
.footer-tag { color: var(--grey-deep); max-width: 34ch; font-size: 0.95rem; }
.footer-heading { font: 600 0.7rem var(--mono); letter-spacing: 0.12em; color: var(--clay-lift); margin: 0 0 1rem; }
.footer-list li { margin-bottom: 0.5rem; }
.footer-list a { font: 500 0.85rem var(--mono); letter-spacing: 0.03em; text-decoration: none; }
.footer-list a:hover { color: var(--clay-lift); }
.footer-base {
  margin-top: clamp(2.5rem, 5vw, 3.5rem); padding-top: 1.4rem;
  border-top: 1px solid var(--rule-dark);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font: 500 0.7rem var(--mono); letter-spacing: 0.06em; color: var(--grey-deep);
}
.footer-base a { text-decoration: none; }
.footer-base a:hover { color: var(--clay-lift); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* --- Motion: rules draw in, labels fade ------------------------------------------ */

.sect-head::before, .docket-head::before, .why-grid > div:first-child .mono-index::before {
  transform-origin: left; transform: scaleX(0);
  transition: transform 0.9s var(--ease);
}
.is-in .sect-head::before, .is-in .docket-head::before, .is-in .mono-index::before { transform: scaleX(1); }
.mono-index, .mono-eyebrow { opacity: 0; transition: opacity 0.8s var(--ease) 0.25s; }
.is-in .mono-index, .is-in .mono-eyebrow { opacity: 1; }
.ground .mono-eyebrow { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sect-head::before, .docket-head::before, .why-grid > div:first-child .mono-index::before { transform: none; transition: none; }
  .mono-index, .mono-eyebrow { opacity: 1; transition: none; }
  .job-hit { transition: none; }
}