/* tekd.info — approved design system.
   Dark, subdued cyberpunk. Hairlines and 16px corner brackets only.
   No shadows, no gradients, no rounded corners, no cards. */

:root {
  --ink:      #0e100f;
  --panel:    #151816;
  --hairline: #242825;
  --border2:  #2c312d;
  --dim:      #5a615a;
  --muted:    #8d948c;
  --body:     #b4bab1;
  --paper:    #e8eae5;
  --accent:   #35d488; /* phosphor green. ONE use per screen. flat, no glow */

  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--body);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--ink); }

a { color: var(--paper); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }

h1, h2, h3 { color: var(--paper); font-family: var(--sans); }

.mono {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.mono.dim { color: var(--dim); }
.mono.accent { color: var(--accent); }

.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.5rem; }

/* ---------- header ---------- */
header.site { border-bottom: 1px solid var(--hairline); }
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.wordmark {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.04em;
  color: var(--paper);
  text-decoration: none;
  text-transform: lowercase;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.wordmark:hover { color: var(--paper); }
.wordmark .sq { width: 8px; height: 8px; background: var(--accent); display: inline-block; }

nav.site { display: flex; flex-wrap: wrap; gap: 1.4rem; }
nav.site a {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}
nav.site a:hover { color: var(--paper); }
nav.site a[aria-current="page"] { color: var(--paper); border-bottom-color: var(--accent); }

.header-phone {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
}
.header-phone:hover { color: var(--accent); }

/* ---------- sections ---------- */
main section { border-bottom: 1px solid var(--hairline); padding: 4.5rem 0; }
main section:last-of-type { border-bottom: 0; }
.sec-label { margin: 0 0 2.25rem; }

h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  max-width: 22ch;
}
h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}
h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 0.5rem; }
p { max-width: 44rem; }
.lede { font-size: 1.1rem; max-width: 40rem; }

/* ---------- corner brackets (16px) ---------- */
.corners {
  --c: var(--hairline);
  background-image:
    linear-gradient(var(--c), var(--c)), linear-gradient(var(--c), var(--c)),
    linear-gradient(var(--c), var(--c)), linear-gradient(var(--c), var(--c)),
    linear-gradient(var(--c), var(--c)), linear-gradient(var(--c), var(--c)),
    linear-gradient(var(--c), var(--c)), linear-gradient(var(--c), var(--c));
  background-repeat: no-repeat;
  background-size:
    16px 1px, 1px 16px, 16px 1px, 1px 16px,
    16px 1px, 1px 16px, 16px 1px, 1px 16px;
  background-position:
    top left, top left, top right, top right,
    bottom left, bottom left, bottom right, bottom right;
}
.corners.accent-corners { --c: var(--accent); }

/* ---------- buttons ---------- */
.button {
  display: inline-block;
  background: var(--accent);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 28px;
  border: 0;
  border-radius: 0;
  cursor: pointer;
}
.button:hover { background: var(--paper); color: var(--ink); }
.button.ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--border2);
}
.button.ghost:hover { border-color: var(--paper); color: var(--paper); background: transparent; }
.cta-row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 2rem; }

/* ---------- hero ---------- */
.hero h1 { min-height: 3.2em; }
.hero-desc { min-height: 9.5em; }
@media (min-width: 44rem) { .hero-desc { min-height: 7em; } }
.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--accent);
  vertical-align: baseline;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
}

/* ---------- grids ---------- */
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.grid3 > div { background: var(--ink); padding: 1.75rem; }
.grid2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.grid2 > div { background: var(--ink); padding: 1.75rem; }
@media (max-width: 44rem) {
  .grid3, .grid2 { grid-template-columns: 1fr; }
}
.grid3 p, .grid2 p { margin-bottom: 0; }

/* ---------- standards (home) ----------
   Full-width numbered rows, ledger style. Hairlines only, no boxes. */
.standards { border-top: 1px solid var(--hairline); }
.std {
  display: grid;
  grid-template-columns: 5.5rem 1fr 1.3fr;
  gap: 2rem;
  align-items: baseline;
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--hairline);
}
.std-n {
  font-family: var(--mono);
  font-size: 2.2rem;
  font-weight: 400;
  color: var(--dim);
  line-height: 1;
}
.std-h {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}
.std-d { margin: 0; }
@media (max-width: 52rem) {
  .std { grid-template-columns: 3rem 1fr; gap: 0.75rem 1.25rem; }
  .std-d { grid-column: 2; }
}

/* ---------- proof rotator ---------- */
.rotator { padding: 2.5rem; }
.rotator-item { display: none; }
.rotator-item.active { display: block; }
.rotator-item p { font-size: 1.15rem; color: var(--body); max-width: 46rem; }
.rotator-foot {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.markers { display: flex; gap: 8px; }
.marker {
  width: 24px;
  height: 4px;
  background: var(--border2);
  border: 0;
  padding: 0;
  cursor: pointer;
}
.marker.active { background: var(--accent); }

/* ---------- rows (tools, rungs, in-house) ---------- */
.rows { border-top: 1px solid var(--hairline); }
.rowline {
  display: grid;
  grid-template-columns: 14rem 1fr 10rem;
  gap: 1.5rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--hairline);
}
.rowline p { margin: 0.4rem 0 0; }
.rowline .end { text-align: right; }
@media (max-width: 52rem) {
  .rowline { grid-template-columns: 1fr; gap: 0.4rem; }
  .rowline .end { text-align: left; }
}

/* rungs */
.rung {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--hairline);
}
.rung-n {
  font-family: var(--mono);
  font-size: 1.5rem;
  color: var(--dim);
}
.rung h3 { display: inline-block; margin-right: 0.75rem; }
.badge {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--border2);
  padding: 2px 8px;
  vertical-align: middle;
}
.rung .mono { display: block; margin-top: 0.75rem; }

/* ---------- forms ---------- */
form.intake { max-width: 40rem; }
form.intake label {
  display: block;
  margin: 1.75rem 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
form.intake input,
form.intake textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--paper);
  background: var(--panel);
  border: 1px solid var(--border2);
  border-radius: 0;
  padding: 0.75rem 0.85rem;
}
form.intake input::placeholder,
form.intake textarea::placeholder { color: var(--dim); }
form.intake input:focus,
form.intake textarea:focus { outline: 1px solid var(--accent); outline-offset: 0; border-color: var(--accent); }

.confirm { padding: 2.5rem; margin-top: 2rem; }
.confirm h3 { margin-top: 0.75rem; }
[hidden] { display: none !important; }

/* ---------- start page layout ---------- */
.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3.5rem; }
@media (max-width: 52rem) { .split { grid-template-columns: 1fr; } }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 3.5rem; align-items: start; }
@media (max-width: 52rem) { .about-grid { grid-template-columns: 1fr; } }
.spec { padding: 2rem; }
.spec-table { border-top: 1px solid var(--hairline); margin-top: 1.25rem; }
.spec-row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--hairline);
}
.spec-row .v { color: var(--paper); }

/* ---------- expect box ---------- */
.expect { padding: 2.5rem; }
.expect .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
@media (max-width: 44rem) { .expect .cols { grid-template-columns: 1fr; } }
.expect p { margin: 0; }

/* ---------- booking picker (/book) ---------- */
.day-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 1.25rem 0 1rem; }
.day-btn, .slot-btn {
  background: var(--panel);
  color: var(--body);
  border: 1px solid var(--border2);
  border-radius: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 10px 14px;
  cursor: pointer;
}
.day-btn:hover, .slot-btn:hover { border-color: var(--paper); color: var(--paper); }
.day-btn.active { border-color: var(--accent); color: var(--accent); }
.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(7rem, 1fr)); gap: 8px; margin-bottom: 1.25rem; }
#confirm-bar { border-top: 1px solid var(--hairline); padding-top: 1.25rem; }
#confirm-bar .button { margin-right: 0.75rem; }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--hairline); margin-top: 4rem; }
footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-top: 1.75rem;
  padding-bottom: 2.25rem;
}
footer.site .mono { color: var(--dim); }
footer.site a { color: var(--dim); text-decoration: none; }
footer.site a:hover { color: var(--accent); }