/* ============================================================
   GLOBAL MANUFACTURING DYNAMICS INC. — DESIGN SYSTEM v0.1 (UNAPPROVED DRAFT)
   STATUS: SHIPPED AS-IS
   ============================================================ */

:root {
  --ink: #17171a;
  --ink-soft: #6b6b73;
  --line: #b9b9bf;
  --line-soft: #d9d9de;
  --paper: #fcfcfa;
  --grid: #ebebe6;
  --note: #2f54c9;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  line-height: 1.55;
  font-size: 16px;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

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

/* ---- annotations ------------------------------------------ */

.note {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.note--blue { color: var(--note); }

.fig {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--note);
  margin-bottom: 20px;
}

.fig::before { content: "— "; }

/* ---- header ------------------------------------------------ */

header {
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: 44px;
  height: 44px;
  flex: none;
}

.brand-name {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.3;
}

.brand-name small {
  display: block;
  font-size: 10px;
  color: var(--ink-soft);
  letter-spacing: 0.1em;
}

nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

nav a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid transparent;
}

nav a:hover { border-color: var(--ink); }

nav a[aria-current="page"] {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}

/* ---- generic frame / placeholder --------------------------- */

.frame {
  border: 1px solid var(--ink);
  background: var(--paper);
}

.drawing {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ink);
  background: var(--paper);
}

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

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ink);
  padding: 12px 22px;
  background: var(--paper);
  cursor: pointer;
  color: var(--ink);
}

.btn:hover { background: var(--ink); color: var(--paper); }

.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: var(--paper); color: var(--ink); }

/* ---- sections ---------------------------------------------- */

section { padding: 72px 0; border-bottom: 1px solid var(--line-soft); }

section[id] { scroll-margin-top: 88px; }

h1 {
  font-size: clamp(40px, 7vw, 84px);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  text-wrap: balance;
}

h3 { font-size: 18px; margin-bottom: 8px; }

.lede {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 58ch;
}

/* ---- hero --------------------------------------------------- */

.hero { padding: 88px 0 72px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

.hero .lede { margin: 24px 0 32px; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-caption {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

/* ---- cards -------------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.card {
  border: 1px solid var(--ink);
  padding: 24px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card p { color: var(--ink-soft); font-size: 15px; }

.card .note { margin-top: auto; }

/* ---- statement ---------------------------------------------- */

.statement {
  text-align: center;
  padding: 96px 0;
}

.statement blockquote {
  font-size: clamp(26px, 4.5vw, 46px);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
  max-width: 22ch;
  margin: 0 auto 16px;
  text-wrap: balance;
}

/* ---- process loop (about) ----------------------------------- */

.loop {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 40px;
  flex-wrap: wrap;
}

.loop-step {
  border: 1px solid var(--ink);
  padding: 16px 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--paper);
}

.loop-arrow {
  font-family: var(--mono);
  padding: 0 12px;
  color: var(--ink-soft);
}

/* ---- prose ---------------------------------------------------- */

.prose { margin-top: 32px; max-width: 68ch; }

.prose p { color: var(--ink-soft); margin-bottom: 16px; font-size: 17px; }

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

.contact-email {
  display: inline-block;
  font-family: var(--mono);
  font-size: clamp(16px, 2.4vw, 24px);
  letter-spacing: 0.02em;
  border: 1px solid var(--ink);
  padding: 18px 24px;
  text-decoration: none;
  margin-top: 20px;
  word-break: break-all;
}

.contact-email:hover { background: var(--ink); color: var(--paper); }

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

footer {
  border-top: 1px solid var(--ink);
  padding: 40px 0 56px;
  background: var(--paper);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-grid .note { display: block; line-height: 2; }

footer a { text-decoration: none; }
footer a:hover { text-decoration: underline; }

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

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .card-grid { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; align-items: flex-start; }
  section { padding: 56px 0; }
}