/* Schoepf-Tech: styled after a KiCad schematic sheet */

:root {
  --paper: #f4f2ea;
  --paper-solid: #f7f5ee;
  --ink: #1f2523;
  --muted: #545c58;
  --frame: #8a2b2b;      /* KiCad-ish maroon for frame and symbols */
  --green: #1d8a4e;      /* traces / accent, darker version of the logo green */
  --fill: #fffbdc;       /* symbol body fill */
  --grid-major: rgba(29, 138, 78, 0.13);
  --grid-minor: rgba(29, 138, 78, 0.06);
  --line: rgba(31, 37, 35, 0.22);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --display: Bahnschrift, "DIN Alternate", "DIN 2014", "Roboto Condensed", "Arial Narrow", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "SF Mono", "Liberation Mono", monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size: 50px 50px, 50px 50px, 10px 10px, 10px 10px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); }
a:hover { color: var(--frame); }

h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.15; margin: 0; }
p { margin: 0 0 1em; }

.accent { color: #2fbf71; }

/* ---------- Drawing frame ---------- */
.sheet {
  --zone: 22px;
  max-width: 1180px;
  margin: 28px auto;
  display: grid;
  grid-template-columns: var(--zone) 1fr var(--zone);
  grid-template-rows: var(--zone) 1fr var(--zone);
  border: 1.5px solid var(--frame);
}
.zones {
  display: flex;
  font-family: var(--display);
  font-size: 12px;
  color: var(--frame);
}
.zones span {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.zones-top    { grid-area: 1 / 2 / 2 / 3; }
.zones-bottom { grid-area: 3 / 2 / 4 / 3; }
.zones-left   { grid-area: 2 / 1 / 3 / 2; flex-direction: column; }
.zones-right  { grid-area: 2 / 3 / 3 / 4; flex-direction: column; }
.zones-top span + span,
.zones-bottom span + span { border-left: 1px solid var(--frame); }
.zones-left span + span,
.zones-right span + span { border-top: 1px solid var(--frame); }

.drawing {
  grid-area: 2 / 2 / 3 / 3;
  border: 1.5px solid var(--frame);
  padding: 0 56px;
  min-width: 0;
}

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
  text-decoration: none;
}
.logo:hover { color: var(--ink); }
.nav { display: flex; gap: 28px; }
.nav a {
  font-family: var(--display);
  font-size: 1rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
  padding-bottom: 2px;
}
.nav a:hover { color: var(--green); border-bottom-color: var(--green); }
.nav a.lang {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--frame);
  border: 1.5px solid var(--frame);
  padding: 1px 8px;
}
.nav a.lang:hover { background: var(--fill); color: var(--frame); }

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 80px 0 70px;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.3rem);
  letter-spacing: -0.01em;
  margin-bottom: 0.7em;
}
.lead {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 560px;
}

.hero .btn { margin-top: 18px; }

.btn {
  display: inline-block;
  padding: 11px 26px;
  font-family: var(--display);
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  background: var(--fill);
  border: 1.5px solid var(--frame);
  box-shadow: 4px 4px 0 var(--frame);
  transition: transform 0.1s, box-shadow 0.1s;
}
.btn:hover {
  color: var(--ink);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--frame);
}

/* schematic symbol */
.hero-symbol { margin: 0; }
.hero-symbol svg { display: block; width: 100%; max-width: 420px; margin-left: auto; }
.sym-body { fill: var(--fill); stroke: var(--frame); stroke-width: 2; }
.sym-pins line { stroke: var(--frame); stroke-width: 1.5; }
.sym-wire { stroke: var(--green); stroke-width: 2; fill: none; }
.sym-wire circle { fill: var(--green); stroke: none; }
.sym-num text { font-family: var(--mono); font-size: 10px; fill: var(--frame); text-anchor: middle; }
.sym-name text { font-family: var(--mono); font-size: 12px; fill: #1f5f8a; }
.sym-ref text { font-family: var(--mono); font-size: 13px; fill: #4a6e6e; }

/* ---------- Sections ---------- */
.section { padding: 56px 0 64px; }
.section h2 {
  display: flex;
  align-items: baseline;
  gap: 18px;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 30px;
}
.sec-no {
  font-family: var(--mono);
  font-size: 0.75em;
  color: var(--green);
}

/* services as a datasheet table */
.spec {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--paper-solid);
  border: 1px solid var(--ink);
}
.spec li {
  display: grid;
  grid-template-columns: 70px 260px 1fr;
  gap: 0 24px;
  align-items: baseline;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}
.spec li:first-child { border-top: 0; }
.spec-head {
  font-family: var(--display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: #ebe8dd;
  padding-top: 10px !important;
  padding-bottom: 10px !important;
}
.spec-no { font-family: var(--mono); color: var(--green); font-size: 0.95rem; }
.spec h3 { font-size: 1.15rem; }
.spec p { margin: 0; color: var(--muted); }

/* about */
.about {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-text p { font-size: 1.08rem; }

.bom {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper-solid);
  border: 1px solid var(--ink);
  font-size: 0.97rem;
}
.bom caption {
  caption-side: top;
  text-align: left;
  font-family: var(--display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding-bottom: 8px;
}
.bom th,
.bom td {
  text-align: left;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
.bom tr:first-child th,
.bom tr:first-child td { border-top: 0; }
.bom th {
  width: 36%;
  font-family: var(--display);
  font-weight: 600;
  border-right: 1px solid var(--line);
}

/* contact as a title block */
.contact-intro { color: var(--muted); font-size: 1.08rem; margin-bottom: 28px; }
.title-block {
  max-width: 760px;
  margin-left: auto;
  border: 2px solid var(--frame);
  background: var(--paper-solid);
}
.tb-row { display: grid; border-top: 1px solid var(--frame); }
.tb-row:first-child { border-top: 0; }
.tb-row > div,
.tb-title { padding: 10px 16px; min-width: 0; }
.tb-row > div + div { border-left: 1px solid var(--frame); }
.tb-mail a { font-family: var(--display); font-size: 1.25rem; font-weight: 600; word-break: break-word; }
.tb-meta { grid-template-columns: repeat(4, 1fr); font-family: var(--mono); font-size: 0.92rem; }
.tb-title strong { font-family: var(--display); font-size: 1.3rem; font-weight: 600; }
.tb-label {
  display: block;
  font-family: var(--display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--frame);
  margin-bottom: 2px;
}

/* ---------- Legal pages ---------- */
.legal { max-width: 780px; padding: 56px 0 64px; }
.legal h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 14px;
}
.legal-sub { color: var(--muted); font-size: 0.95rem; margin-bottom: 30px; }
.legal h2 { font-size: 1.25rem; margin: 2em 0 0.6em; }
.legal ul { margin: 0 0 1em; padding-left: 1.3em; }
.legal .bom th { width: 32%; }
.legal-date { margin-top: 2.5em; color: var(--muted); font-size: 0.9rem; }
.todo { background: #ffe58a; color: var(--ink); padding: 0 4px; }
/* Decoy digits in the phone number: hidden for people, present in the raw HTML for scrapers */
.nr { display: none; }
.site-footer a[aria-current="page"] { color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 0 22px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}
.site-footer p { margin: 0; }
.site-footer nav { display: flex; gap: 20px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 56px 0 48px; }
  .hero-symbol svg { max-width: 360px; margin: 0 auto; }
  .about { grid-template-columns: 1fr; gap: 36px; }
  .spec li { grid-template-columns: 56px 1fr; }
  .spec li p { grid-column: 2; margin-top: 4px; }
  .spec-head span:last-child { display: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .sheet { --zone: 14px; margin: 8px; }
  .zones { font-size: 9px; }
  .drawing { padding: 0 16px; }
  .nav { gap: 16px; }
  .nav .nav-sec { display: none; }
  .legal .bom tr { display: block; border-top: 1px solid var(--line); }
  .legal .bom tr:first-child { border-top: 0; }
  .legal .bom th,
  .legal .bom td { display: block; width: auto; border: 0; }
  .legal .bom th { padding-bottom: 0; font-size: 0.85rem; color: var(--frame); }
  .legal .bom td { padding-top: 2px; }
  .spec li { padding: 14px; gap: 0 12px; grid-template-columns: 40px 1fr; }
  .tb-meta { grid-template-columns: repeat(2, 1fr); }
  .tb-meta > div:nth-child(3) { border-left: 0; }
  .tb-meta > div:nth-child(n+3) { border-top: 1px solid var(--frame); }
}