/*
  Ordotech website styles.

  Layout: an inspection report. A condensed industrial headline over a faint drafting grid,
  an example ticket, then plain sections ruled like a data sheet.

  To change colours or fonts, edit the tokens in :root below (light theme) and the two
  dark-theme blocks after it. Everything else reads from these tokens.
*/
:root {
  --bg: #F2F3F1;
  --surface: #FFFFFF;
  --surface-2: #E8EBEA;
  --ink: #14191C;
  --muted: #56616A;
  --line: #D3D8D8;
  --steel: #2E4A5B;
  --amber: #E09A2A;      /* hardfacing bead: fills and marks */
  --amber-ink: #8F5300;  /* the same hue, dark enough for text on light */
  --good: #2F7A4B;
  --warn: #A7650B;
  --grid: rgba(46, 74, 91, 0.07);
  --highlight: rgba(224, 154, 42, 0.16);

  --display: "Big Shoulders Display", "Arial Narrow", "Roboto Condensed", Impact, sans-serif;
  --body: "Public Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.1875rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.9rem, 1.4rem + 2vw, 2.6rem);
  --step-4: clamp(2.8rem, 1.6rem + 5.2vw, 5.4rem);
  --wrap: 1180px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E1214; --surface: #161B1E; --surface-2: #1D2428; --ink: #E6EBEB; --muted: #97A3A9;
    --line: #2B3439; --steel: #8FB3C7; --amber: #F0AA3E; --amber-ink: #F3B759; --good: #6CC08E;
    --warn: #E8A84A; --grid: rgba(143, 179, 199, 0.06); --highlight: rgba(240, 170, 62, 0.16);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0E1214; --surface: #161B1E; --surface-2: #1D2428; --ink: #E6EBEB; --muted: #97A3A9;
  --line: #2B3439; --steel: #8FB3C7; --amber: #F0AA3E; --amber-ink: #F3B759; --good: #6CC08E;
  --warn: #E8A84A; --grid: rgba(143, 179, 199, 0.06); --highlight: rgba(240, 170, 62, 0.16);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
main [id] { scroll-margin-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px);
  z-index: 10; background: var(--bg);
}
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 2px; }

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) {
  .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); }
}

.label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
h1, h2, h3 { text-wrap: balance; margin: 0; }
h2 {
  font-family: var(--display);
  font-weight: 800;
  font-size: var(--step-3);
  line-height: 1.02;
  text-transform: uppercase;
  letter-spacing: 0.005em;
}
h3 { font-size: var(--step-1); font-weight: 650; line-height: 1.3; }
p { margin: 0; }
.lede { font-size: var(--step-1); color: var(--muted); max-width: 62ch; }

/* ---------- nav ---------- */
/* Phones and tablets (under 900px wide) get a Menu button that opens the links as a list.
   Very small phones (under 520px) also move "Book a demo" into that list to save space. */
.nav {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 20px; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-weight: 800; font-size: 1.45rem; text-transform: uppercase; letter-spacing: 0.02em; }
.brand svg { flex: none; }
.brand .tech { color: var(--steel); font-weight: 600; }

.nav ul { display: none; list-style: none; margin: 0; padding: 0; font-size: 0.9375rem; }
.nav ul a { text-decoration: none; color: var(--muted); }
.nav ul a:hover { color: var(--ink); }

.nav .nav-cta { display: none; margin-left: auto; }
.menu-btn {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 0.9375rem/1 var(--body);
  padding: 11px 14px; min-height: 44px;
  background: transparent; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 3px;
  cursor: pointer;
}
.nav.open .menu-btn { border-color: var(--ink); }

/* The open phone menu: one link per row, big enough to tap */
.nav.open ul { display: flex; flex-direction: column; order: 10; width: 100%; padding-block: 4px 8px; }
.nav.open ul a { display: block; padding: 14px 2px; border-top: 1px solid var(--line); color: var(--ink); font-size: 1.0625rem; }
.nav.open .menu-cta a { color: var(--amber-ink); font-weight: 600; }

@media (min-width: 520px) {
  .nav .nav-cta { display: inline-flex; }
  .menu-btn { margin-left: 0; }
  .menu-cta { display: none; }
}
@media (min-width: 900px) {
  .nav ul, .nav.open ul { display: flex; flex-direction: row; order: 0; width: auto; padding: 0; gap: 26px; margin-left: auto; }
  .nav.open ul a { display: inline; padding: 0; border: 0; font-size: 0.9375rem; color: var(--muted); }
  .nav .nav-cta { margin-left: 0; }
  .menu-btn { display: none; }
}


.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px;
  font: 600 0.9375rem/1 var(--body);
  padding: 12px 18px;
  border-radius: 3px;
  text-decoration: none;
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
  white-space: nowrap;
}
.btn.ghost { background: transparent; color: var(--ink); }
@media (hover: hover) {
  .btn:hover { background: transparent; color: var(--ink); }
  .btn.ghost:hover { background: var(--ink); color: var(--bg); }
}

/* ---------- hero ---------- */
.hero {
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  border-bottom: 1px solid var(--line);
}
.hero .wrap { display: grid; gap: 48px; padding-block: 56px 64px; align-items: center; }
@media (min-width: 1000px) { .hero .wrap { grid-template-columns: 1.05fr 1fr; padding-block: 88px 96px; } }
.hero-copy { display: grid; gap: 24px; min-width: 0; }
.hero h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: var(--step-4);
  line-height: 0.92;
  text-transform: uppercase;
  letter-spacing: -0.005em;
}
.hero h1 em { font-style: normal; color: var(--amber-ink); }
.hero .lede { color: var(--ink); opacity: 0.86; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.industries { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.industries span { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.industries span::before { content: "▪ "; color: var(--amber); }

/* ---------- ticket mock ---------- */
.ticket {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 1px 0 var(--line), 0 24px 48px -28px rgba(20, 25, 28, 0.35);
  min-width: 0;
  overflow: hidden;
}
.ticket-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--surface-2); flex-wrap: wrap; }
.ticket-head .id { font-family: var(--mono); font-size: 0.8125rem; }
.pill { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 4px 8px; border-radius: 99px; border: 1px solid currentColor; white-space: nowrap; }
.pill.warn { color: var(--warn); }
.pill.good { color: var(--good); }
.ticket-body { display: grid; gap: 0; }
@media (min-width: 560px) { .ticket-body { grid-template-columns: 172px 1fr; } }
.photo { padding: 16px; border-bottom: 1px solid var(--line); display: grid; gap: 10px; align-content: start; }
@media (min-width: 560px) { .photo { border-bottom: 0; border-right: 1px solid var(--line); } }
.photo svg { width: 100%; height: auto; border-radius: 3px; display: block; max-width: 220px; }
.photo dl { margin: 0; display: grid; gap: 6px; font-size: var(--step--1); }
.photo dt { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.photo dd { margin: 0; }

.trace { list-style: none; margin: 0; padding: 8px 0; min-width: 0; }
.trace li {
  display: grid; grid-template-columns: 22px 1fr auto; gap: 2px 10px; align-items: baseline;
  padding: 8px 16px; border-left: 2px solid transparent;
  transition: background-color 0.3s, border-color 0.3s;
}
.trace li.on { background: var(--highlight); border-left-color: var(--amber); }
.trace .n { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
.trace .s { font-weight: 600; font-size: 0.9rem; }
.trace .k { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.trace .d { grid-column: 2 / -1; font-size: var(--step--1); color: var(--muted); }
.trace .d b { color: var(--ink); font-weight: 600; }
.ticket-foot { border-top: 1px solid var(--line); padding: 12px 16px; display: flex; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap; font-size: var(--step--1); color: var(--muted); }
.ticket-foot b { color: var(--ink); font-weight: 600; }
.caption { font-family: var(--mono); font-size: 0.6875rem; color: var(--muted); margin-top: 10px; letter-spacing: 0.02em; }

/* ---------- sections ---------- */
section.block { border-bottom: 1px solid var(--line); }
section.block > .wrap { padding-block: 72px; display: grid; gap: 40px; }
@media (min-width: 900px) { section.block > .wrap { padding-block: 104px; } }
.sec-head { display: grid; gap: 14px; max-width: 760px; }

/* problem: today vs with */
.compare { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
@media (min-width: 820px) { .compare { grid-template-columns: 1fr 1fr; } }
.compare > div { background: var(--surface); padding: 28px; display: grid; gap: 16px; align-content: start; min-width: 0; }
.compare ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.compare li { padding-left: 26px; position: relative; }
.compare li::before { position: absolute; left: 0; top: 0; font-family: var(--mono); font-weight: 500; }
.compare .before li::before { content: "×"; color: var(--muted); }
.compare .after li::before { content: "✓"; color: var(--good); }
.compare .after { background: color-mix(in srgb, var(--surface) 92%, var(--amber)); }

/* pipeline */
.stages { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
@media (min-width: 700px) { .stages { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .stages { grid-template-columns: repeat(4, 1fr); } }
.stages li { background: var(--surface); padding: 24px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.stages .top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.stages .num { font-family: var(--display); font-weight: 800; font-size: 2.2rem; line-height: 1; color: var(--steel); }
.stages p { color: var(--muted); font-size: 0.9375rem; }
.tag { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 7px; border-radius: 2px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.tag.model { border-color: var(--amber); color: var(--amber-ink); }
.tag.human { border-color: var(--steel); color: var(--steel); }
.stages li.human { background: color-mix(in srgb, var(--surface) 90%, var(--steel)); }

/* principles */
.principles { display: grid; gap: 40px 48px; }
@media (min-width: 820px) { .principles { grid-template-columns: repeat(2, 1fr); } }
.principle { display: grid; gap: 10px; padding-top: 18px; border-top: 2px solid var(--ink); align-content: start; }
.principle p { color: var(--muted); max-width: 54ch; }

/* roles */
.roles { display: grid; gap: 16px; }
@media (min-width: 700px) { .roles { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .roles { grid-template-columns: repeat(4, 1fr); } }
.role { border: 1px solid var(--line); background: var(--surface); border-radius: 4px; padding: 22px; display: grid; gap: 8px; align-content: start; }
.role p { color: var(--muted); font-size: 0.9375rem; }
.role .where { font-family: var(--mono); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--steel); }

/* platform modules */
.modules { display: grid; gap: 16px; }
@media (min-width: 760px) { .modules { grid-template-columns: repeat(2, 1fr); } }
.module { border: 1px solid var(--line); background: var(--surface); border-radius: 4px; padding: 24px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.module.live { border-color: var(--amber); }
.module .top { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.module p { color: var(--muted); font-size: 0.9375rem; }
.module .who { font-family: var(--mono); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--steel); }

/* roadmap / status */
.two { display: grid; gap: 48px; }
@media (min-width: 900px) { .two { grid-template-columns: 1fr 1fr; } }
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.timeline li { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.timeline li:first-child { border-top: 1px solid var(--line); }
.timeline .when { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); padding-top: 3px; font-variant-numeric: tabular-nums; }
.timeline .done .when::before { content: "● "; color: var(--good); }
.timeline .now .when::before { content: "◐ "; color: var(--amber-ink); }
.timeline .next .when::before { content: "○ "; color: var(--muted); }
.timeline p { color: var(--muted); font-size: 0.9375rem; }
.families { display: grid; gap: 10px; }
.family { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); flex-wrap: wrap; }
.family.live { border-color: var(--amber); }

/* why us */
.why { display: grid; gap: 14px; padding: 28px; border: 1px solid var(--line); border-left: 4px solid var(--amber); background: var(--surface); border-radius: 4px; }
.why p { font-size: var(--step-1); max-width: 62ch; }

/* team */
.team { display: grid; gap: 20px; max-width: 760px; }
.person { display: grid; grid-template-columns: 72px 1fr; gap: 18px; align-items: start; padding: 22px; border: 1px solid var(--line); background: var(--surface); border-radius: 4px; }
.avatar { width: 72px; height: 72px; border-radius: 4px; background: var(--surface-2); display: grid; place-items: center; font-family: var(--display); font-weight: 800; font-size: 1.6rem; color: var(--steel); }
.person p { color: var(--muted); font-size: 0.9375rem; }

/* contact */
.contact { background: var(--ink); color: var(--bg); }
.contact .wrap { padding-block: 80px; display: grid; gap: 28px; }
.contact h2 { font-size: var(--step-4); line-height: 0.95; }
.contact h2 em { font-style: normal; color: var(--amber); }
.contact p { color: color-mix(in srgb, var(--bg) 75%, var(--ink)); max-width: 58ch; font-size: var(--step-1); }
.mail { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.mail code { font-family: var(--mono); font-size: 1.05rem; overflow-wrap: anywhere; padding: 12px 16px; border: 1px solid color-mix(in srgb, var(--bg) 30%, var(--ink)); border-radius: 3px; user-select: all; }
.contact .btn { background: var(--amber); border-color: var(--amber); color: #14191C; }
.contact .btn.ghost { background: transparent; color: var(--amber); }
@media (hover: hover) {
  .contact .btn:hover { background: transparent; color: var(--amber); }
  .contact .btn.ghost:hover { background: var(--amber); color: #14191C; }
}
.contact .hint { font-size: var(--step-0); }
@media (max-width: 519px) {
  .mail { flex-direction: column; align-items: stretch; }
  .mail code { text-align: center; }
  .hero-ctas .btn { flex: 1 1 100%; }
}

footer .wrap { padding-block: 28px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: var(--step--1); color: var(--muted); }

@media (min-width: 1600px) {
  html { font-size: 106.25%; }
  :root { --wrap: 1280px; }
}

@media (prefers-reduced-motion: reduce) { .trace li { transition: none; } }