/* =========================================================
   Isherveer's Tech Services
   Design concept: a field service manual / work-order ticket.
   Flat paper, hairline rules, one signal colour, no gradients,
   no glass, no drop-shadow card kit. Custom line-art diagrams
   stand in for an icon pack.
   ========================================================= */

:root {
  /* ---- palette ---- */
  --paper: #dde2db;        /* cool sage-steel page background */
  --paper-raised: #eef0e9; /* slightly lighter panel surface */
  --paper-stamp: #d2d8cd;  /* pressed/recessed surface (inputs, ticket stub) */
  --ink: #17221d;          /* primary text — cool near-black */
  --ink-dim: #4c564e;      /* secondary text */
  --ink-faint: #7c867c;    /* tertiary / meta text */
  --line: #aeb6a7;         /* hairline rule colour */
  --line-strong: #17221d;
  --signal: #e2900a;       /* amber / hazard accent — primary CTA */
  --signal-ink: #2c1d00;   /* text printed on signal colour */
  --teal: #2c6a58;         /* secondary accent — links, tags */
  --teal-dim: #e3ece7;     /* teal tint background */
  --white: #f7f7f2;

  --font-display: "Archivo", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --col-max: 860px;
  --wide-max: 1180px;
  --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--teal);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}
a:hover { color: var(--ink); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.08;
  margin: 0 0 0.4em;
  font-weight: 800;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); }
h3 { font-size: 1.25rem; font-weight: 700; }

p { margin: 0 0 1em; max-width: 62ch; }
p.wide { max-width: 72ch; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

:focus-visible {
  outline: 2.5px solid var(--signal);
  outline-offset: 2px;
}

/* ---------- layout shells ---------- */

.wrap { max-width: var(--wide-max); margin: 0 auto; padding: 0 28px; }
.col  { max-width: var(--col-max); }

section { padding: 56px 0; }
section.tight { padding: 36px 0; }

.rule {
  border: none;
  border-top: 1.5px solid var(--line);
  margin: 0;
}
.rule.strong { border-top: 2px solid var(--line-strong); }

/* ---------- masthead ---------- */

.masthead {
  background: var(--paper);
  border-bottom: 2px solid var(--line-strong);
  position: sticky;
  top: 0;
  z-index: 40;
}
.masthead .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  line-height: 1;
}
.wordmark-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border: 1.5px solid var(--line-strong);
}
.wordmark-text {
  display: flex;
  flex-direction: column;
}
.wordmark .name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.18rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.wordmark .sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faint);
  margin-top: 4px;
  letter-spacing: 0.02em;
}

nav.mainnav { display: flex; align-items: center; gap: 2px; }
nav.mainnav a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-dim);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius);
}
nav.mainnav a:hover { color: var(--ink); background: var(--paper-raised); }
nav.mainnav a.active { color: var(--ink); background: var(--paper-stamp); }

.navtoggle {
  display: none;
  font-family: var(--font-display);
  font-weight: 700;
  background: var(--paper-raised);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 7px 12px;
  cursor: pointer;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.96rem;
  padding: 12px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 2px solid var(--line-strong);
  cursor: pointer;
}
.btn-primary {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--signal-ink);
}
.btn-primary:hover { background: #c87e08; border-color: #c87e08; color: var(--signal-ink); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover { background: var(--paper-raised); color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* ---------- work-order header (home hero) ---------- */

.ticket {
  padding-top: 44px;
}
.ticket-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  border-bottom: 1.5px dashed var(--line);
  padding-bottom: 14px;
  margin-bottom: 26px;
}
.ticket-meta b { color: var(--ink-dim); font-weight: 600; }

.hero-lede { font-size: 1.1rem; color: var(--ink-dim); max-width: 56ch; margin-top: 16px; }

.credentials-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 22px;
  font-size: 0.92rem;
  color: var(--ink-dim);
}
.credentials-line span { display: inline-flex; align-items: center; gap: 7px; }
.credentials-line .mark { color: var(--teal); font-weight: 700; }

/* quick facts strip */
.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1.5px solid var(--line);
  border-bottom: 1.5px solid var(--line);
  margin-top: 46px;
}
.facts div {
  padding: 18px 22px;
  border-left: 1.5px solid var(--line);
}
.facts div:first-child { border-left: none; }
.facts .num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  display: block;
}
.facts .label {
  color: var(--ink-faint);
  font-size: 0.86rem;
  margin-top: 2px;
}

/* ---------- service spec-sheet rows ---------- */

.service-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  padding: 44px 0;
  border-top: 1.5px solid var(--line);
  align-items: start;
}
.service-row:last-child { border-bottom: 1.5px solid var(--line); }
.service-row.reverse { grid-template-columns: 1fr 240px; }
.service-row.reverse .service-diagram { order: 2; }

.service-diagram {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--paper-raised);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
}
.service-diagram svg { width: 100%; height: 100%; stroke: var(--ink); }

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 8px;
}

.service-row p { color: var(--ink-dim); }

.service-row ul.offer-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.service-row ul.offer-list li {
  padding-left: 20px;
  position: relative;
  font-size: 0.96rem;
  color: var(--ink);
}
.service-row ul.offer-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 8px; height: 2px;
  background: var(--signal);
}

/* ---------- service detail pages ---------- */

.page-head {
  padding-top: 40px;
  padding-bottom: 8px;
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--ink-faint); }
.breadcrumb a:hover { color: var(--teal); }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 0.95rem;
}
.spec-table tr { border-top: 1.5px solid var(--line); }
.spec-table tr:last-child { border-bottom: 1.5px solid var(--line); }
.spec-table td {
  padding: 12px 10px 12px 0;
  vertical-align: top;
}
.spec-table td:first-child {
  font-family: var(--font-mono);
  color: var(--ink-faint);
  width: 190px;
  white-space: nowrap;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--line);
  border: 1.5px solid var(--line);
  margin: 30px 0;
}
.offer-grid .cell {
  background: var(--paper-raised);
  padding: 20px 22px;
}
.offer-grid .cell h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 6px;
}
.offer-grid .cell p { font-size: 0.92rem; color: var(--ink-dim); margin: 0; max-width: none; }

/* ---------- case studies (3D printing) ---------- */

.case {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  padding: 30px 0;
  border-top: 1.5px solid var(--line);
}
.case:last-of-type { border-bottom: 1.5px solid var(--line); }
.case h4 { margin-bottom: 6px; }
.case p { color: var(--ink-dim); font-size: 0.96rem; }
.case .case-meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--teal);
  display: block;
  margin-bottom: 6px;
}

.photo-slot {
  aspect-ratio: 4 / 3;
  border: 1.5px dashed var(--ink-faint);
  border-radius: var(--radius);
  background: repeating-linear-gradient(
    135deg, var(--paper-raised), var(--paper-raised) 8px,
    var(--paper-stamp) 8px, var(--paper-stamp) 16px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px;
}
.photo-slot span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-dim);
  background: var(--paper);
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.case-photo {
  aspect-ratio: 4 / 3;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-raised);
}
.case-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- video grid (editing samples) ---------- */

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin: 30px 0;
}
.v-card { border: 1.5px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; background: var(--paper-raised); }
.v-embed { position: relative; width: 100%; padding-top: 56.25%; background: #000; }
.v-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.v-body { padding: 12px 14px; }
.v-title { font-family: var(--font-display); font-weight: 700; font-size: 0.94rem; }
.v-tool { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); margin-top: 3px; }

.note-box {
  border: 1.5px solid var(--line-strong);
  background: var(--teal-dim);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 0.92rem;
  color: var(--ink-dim);
  margin: 24px 0;
}
.note-box b { color: var(--ink); }

/* ---------- contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: start;
}
.contact-channel {
  display: block;
  border-top: 1.5px solid var(--line);
  padding: 18px 0;
}
.contact-channel:last-child { border-bottom: 1.5px solid var(--line); }
.contact-channel .ch-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 4px;
}
.contact-channel .ch-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}
.contact-channel .ch-value:hover { color: var(--teal); }

.form-frame {
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
  min-height: 560px;
}
.form-frame iframe { width: 100%; min-height: 560px; border: 0; display: block; }

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

footer.site {
  border-top: 2px solid var(--line-strong);
  margin-top: 70px;
  padding: 36px 0 44px;
}
footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
footer.site .fbrand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
}
footer.site .farea {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 6px;
}
footer.site nav { display: flex; flex-direction: column; gap: 6px; }
footer.site nav a { color: var(--ink-dim); text-decoration: none; font-size: 0.92rem; }
footer.site nav a:hover { color: var(--teal); }

/* ---------- responsive ---------- */

@media (max-width: 760px) {
  nav.mainnav { display: none; }
  nav.mainnav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 2px solid var(--line-strong);
    padding: 8px 20px 16px;
    gap: 2px;
  }
  .navtoggle { display: inline-block; }

  .facts { grid-template-columns: 1fr; }
  .facts div { border-left: none; border-top: 1.5px solid var(--line); }
  .facts div:first-child { border-top: none; }

  .service-row, .service-row.reverse {
    grid-template-columns: 1fr;
  }
  .service-row .service-diagram { max-width: 180px; order: -1 !important; }

  .case { grid-template-columns: 1fr; }
  .offer-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}