/* Shared site chrome — nav, footer, status strip, grid-12.
   Used by index.html and any subpage that mounts <Nav/> + <Footer/>.
   Page-specific styles still live in each page's own <style> block. */

html { scroll-behavior: smooth; overflow-x: clip; }
body { overflow-x: clip; }

/* Top status strip */
.status-strip {
  background: var(--ink);
  color: var(--text-on-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 9px 0;
  overflow: hidden;
  border-bottom: 1px solid var(--rule-on-ink);
}
.status-strip__inner {
  display: flex;
  gap: 36px;
  align-items: center;
  white-space: nowrap;
  animation: marquee 38s linear infinite;
  width: max-content;
}
.status-strip__inner > span { display: inline-flex; align-items: center; gap: 12px; }
.status-strip__inner .dot { width: 6px; height: 6px; background: var(--signal); border-radius: 50%; display: inline-block; animation: pulse 1.6s ease-in-out infinite; }
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background var(--t-base) var(--ease), border-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-top {
  background: transparent;
  color: var(--text-on-ink);
}
.nav.is-top .nav__links a:not(.btn) { color: rgba(244,242,238,0.72); }
.nav.is-top .nav__links a:not(.btn):hover { color: var(--text-on-ink); }
.nav.is-top .nav__links a.is-active { color: var(--text-on-ink); }
.nav.is-top .nav__brand img { border-color: rgba(244,242,238,0.3); }
.nav.is-top .nav__cta {
  background: var(--paper);
  color: var(--ink);
}
.nav.is-top .nav__cta:hover {
  background: var(--signal);
  color: var(--signal-ink);
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--rule);
  color: var(--ink);
}
.nav__cta { padding: 10px 16px !important; }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.nav__brand { display: flex; align-items: center; gap: 12px; }
.nav__wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.03em;
  line-height: 1;
}
.nav__links {
  display: flex;
  gap: 24px;
  align-items: center;
}
.nav__links a:not(.btn) {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-mid);
  transition: color var(--t-fast) var(--ease);
}
.nav__links a:not(.btn):hover { color: var(--ink); }
.nav__links a.is-active:not(.btn) { color: var(--ink); }
/* Hamburger toggle — hidden on desktop, shown on mobile */
.nav__toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid currentColor;
  cursor: pointer;
  color: currentColor;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  line-height: 1;
  position: relative;
  z-index: 60;
}
.nav__toggle-label { display: inline-block; }
.nav__toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 18px;
  height: 14px;
}
.nav__toggle-bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease);
  transform-origin: center;
}
.nav.is-menu-open .nav__toggle-bar:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav.is-menu-open .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav.is-menu-open .nav__toggle-bar:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* Mobile drawer */
.nav__drawer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--ink);
  color: var(--text-on-ink);
  z-index: 49;
  padding: 96px var(--page-pad-x) 48px;
  overflow-y: auto;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.nav__drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.nav__drawer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav__drawer-links a:not(.btn) {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.025em;
  color: var(--text-on-ink);
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-on-ink);
}
.nav__drawer-links a.is-active:not(.btn) { color: var(--signal); }
.nav__drawer-cta {
  margin-top: 32px;
  width: 100%;
  justify-content: space-between;
  padding: 18px 22px !important;
  font-size: 12px !important;
}

@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__drawer { display: block; }
  .nav.is-menu-open { background: var(--ink); color: var(--text-on-ink); border-bottom-color: var(--rule-on-ink); }
}

/* 12-column grid */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--col-gap);
}
@media (max-width: 880px) {
  .grid-12 { grid-template-columns: repeat(4, 1fr); }
  /* On mobile, every direct child of .grid-12 stacks full-width.
     Overrides inline `gridColumn: 'span N' | 'N / span M'` rules from
     components — without this, headings and right-aligned ledes overlap
     or push into implicit columns off-screen. */
  .grid-12 > * { grid-column: 1 / -1 !important; }
}

.status-strip::-webkit-scrollbar { display: none; }

/* Footer */
footer { padding-block: 64px 32px; background: var(--ink); color: var(--text-on-ink); }
footer a { color: var(--text-on-ink-mid); transition: color var(--t-fast) var(--ease); }
footer a:hover { color: var(--signal); }

/* ── ContactForm (low-friction enquiry form) ─────────────────────────── */
.cf { display: flex; flex-direction: column; gap: 16px; }
.cf-eyebrow {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: var(--tracking-caps); text-transform: uppercase;
  color: var(--signal);
}
.cf-lede { font-family: var(--font-body); font-size: 15px; line-height: 1.5; margin: 0 0 4px; max-width: 46ch; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cf-field { display: flex; flex-direction: column; gap: 6px; }
.cf-label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: var(--tracking-caps); text-transform: uppercase;
}
.cf-opt { opacity: 0.55; }
.cf-input {
  font-family: var(--font-body); font-size: 15px; line-height: 1.4;
  padding: 11px 13px; border: 1px solid; border-radius: 0;
  background: transparent; width: 100%; box-sizing: border-box;
  transition: border-color var(--t-fast) var(--ease);
  appearance: none; -webkit-appearance: none;
}
.cf-input:focus { outline: none; border-color: var(--signal); }
.cf-textarea { resize: vertical; min-height: 96px; }
.cf-select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%23888' fill='none' stroke-width='1.5'/></svg>");
  background-repeat: no-repeat; background-position: right 13px center; padding-right: 34px;
}
.cf-input[aria-invalid="true"] { border-color: #E5484D; }
.cf-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cf-err { font-family: var(--font-body); font-size: 13px; color: #E5484D; margin: 0; }
.cf-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.cf-fineprint { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.04em; opacity: 0.6; }
.cf button[disabled] { opacity: 0.55; cursor: not-allowed; }

/* success state */
.cf--done { gap: 10px; padding: 4px 0; }
.cf-done-mark {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  background: var(--signal); color: var(--signal-ink); font-size: 20px; font-weight: 700;
}
.cf-done-title { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: -0.015em; margin: 8px 0 0; }
.cf-done-body { font-family: var(--font-body); font-size: 15px; line-height: 1.55; margin: 0; max-width: 46ch; }

/* ink variant (on dark CTA sections) */
.cf--ink { color: var(--text-on-ink); }
.cf--ink .cf-lede { color: var(--text-on-ink-mid); }
.cf--ink .cf-label { color: var(--text-on-ink-mute); }
.cf--ink .cf-input { border-color: var(--rule-on-ink); color: var(--text-on-ink); background: rgba(11,11,12,0.4); }
.cf--ink .cf-input::placeholder { color: var(--text-on-ink-mute); }
.cf--ink .cf-fineprint { color: var(--text-on-ink-mute); }
.cf--ink .cf-done-title { color: var(--text-on-ink); }
.cf--ink .cf-done-body { color: var(--text-on-ink-mid); }
.cf--ink .cf-done-body a, .cf--ink .cf-err a { color: var(--signal); }

/* paper variant (on light sections) */
.cf--paper { color: var(--ink); }
.cf--paper .cf-lede { color: var(--text-mid); }
.cf--paper .cf-label { color: var(--text-mute); }
.cf--paper .cf-input { border-color: var(--rule); color: var(--ink); background: var(--paper); }
.cf--paper .cf-done-title { color: var(--ink); }
.cf--paper .cf-done-body { color: var(--text-mid); }

@media (max-width: 520px) {
  .cf-row { grid-template-columns: 1fr; }
}