/* ============================================================
   AC2 Consulting — tokens
   ============================================================ */
:root {
  --bg: #0a1418;
  --bg-raised: #101e24;
  --bg-raised-2: #142631;
  --line: #24343b;
  --line-bright: #35505a;
  --ink: #edf1f2;
  --ink-dim: #8fa0a6;
  --ink-faint: #5c6d73;
  --accent: #2ea0d9;
  --accent-2: #126e9d;
  --signal: #d98e3c;
  --cream: #f4f2ea;

  --font-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --gutter: clamp(20px, 5vw, 64px);
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  text-wrap: balance;
  margin: 0;
  color: var(--ink);
}

p { margin: 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ============================================================
   Blueprint texture helpers
   ============================================================ */
.grid-bg {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
  opacity: 0.35;
}

.ticks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.ticks::before,
.ticks::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line-bright);
}
.ticks::before { top: 18px; left: var(--gutter); border-right: none; border-bottom: none; }
.ticks::after { bottom: 18px; right: var(--gutter); border-left: none; border-top: none; }

.sheet-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

/* ============================================================
   Header
   ============================================================ */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 20, 24, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand img { height: 30px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-links a {
  text-decoration: none;
  color: var(--ink-dim);
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover { color: var(--ink); border-color: var(--accent); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 11px 20px;
  border: 1px solid var(--accent);
  color: var(--bg);
  background: var(--accent);
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}
.btn:hover { background: transparent; color: var(--accent); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-bright);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero .grid-bg {
  position: absolute;
  inset: 0;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}
.hero-inner {
  position: relative;
  padding-block: clamp(64px, 10vw, 120px) clamp(48px, 8vw, 88px);
}

.hero-content {
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(2.6rem, 6.2vw, 5rem);
  line-height: 0.98;
  margin-top: 18px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  margin-top: 26px;
  max-width: 56ch;
  color: var(--ink-dim);
  font-size: 1.08rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}

/* capability ticker / spec plate */
.spec-strip {
  position: relative;
  margin-top: 64px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}
.spec-strip-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.spec-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-dim);
}
.spec-list li {
  display: flex;
  align-items: center;
  gap: 10px;
}
.spec-list li:not(:last-child)::after {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--line-bright);
  margin-left: 4px;
}

/* ============================================================
   Section scaffolding
   ============================================================ */
section {
  position: relative;
  padding-block: clamp(56px, 9vw, 108px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 76px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(36px, 6vw, 56px);
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin-top: 10px;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
}

.section-desc {
  max-width: 46ch;
  color: var(--ink-dim);
  font-size: 0.98rem;
  padding-bottom: 6px;
}

/* ============================================================
   Services
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.service-card {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 30px 28px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.2s ease;
}
.service-card:hover { background: var(--bg-raised); }
.service-index {
  font-family: var(--font-mono);
  color: var(--ink-faint);
  font-size: 0.78rem;
}
.service-card h3 {
  font-size: 1.3rem;
  margin-top: 30px;
  text-transform: none;
  letter-spacing: 0;
}
.service-card p {
  margin-top: 12px;
  color: var(--ink-dim);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* ============================================================
   Work / project nameplates
   ============================================================ */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.plate {
  background: var(--bg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.plate-top {
  display: flex;
  align-items: center;
  gap: 16px;
}
.plate-mark {
  height: 56px;
  width: 56px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-bright);
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--accent);
  background: var(--bg-raised);
}
.plate-mark img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}
.plate-mark.has-image {
  background: var(--cream);
  padding: 5px;
}
.plate-mark.has-image img { object-fit: contain; }
.plate-title h3 {
  font-size: 1.5rem;
  letter-spacing: 0.01em;
}
.plate-title .sheet-label { margin-top: 4px; }

.plate p.plate-desc {
  color: var(--ink-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  border: 1px solid var(--line-bright);
  padding: 5px 9px;
  text-transform: uppercase;
}
.tag.signal { color: var(--signal); border-color: var(--signal); }
.tag.live { color: var(--accent); border-color: var(--accent); }
a.tag.live { text-decoration: none; }
a.tag.live:hover { background: var(--accent); color: var(--bg); }

/* ============================================================
   Trust strip
   ============================================================ */
.trust {
  padding-block: 40px;
  border-bottom: 1px solid var(--line);
}
.trust .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-transform: uppercase;
}
.trust-list li { display: flex; align-items: center; gap: 10px; }
.trust-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
}

/* ============================================================
   Contact
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.contact-copy h2 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
.contact-copy p.section-desc { margin-top: 20px; max-width: 44ch; }

.contact-card {
  border: 1px solid var(--line-bright);
  background: var(--bg-raised);
  padding: 32px;
}
.contact-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
}
.contact-row:first-child { padding-top: 0; }
.contact-row:last-child { border-bottom: none; padding-bottom: 0; }
.contact-row .sheet-label { color: var(--ink-faint); }
.contact-row a, .contact-row span.val {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}
.contact-row a:hover { color: var(--accent); }

/* ============================================================
   Footer
   ============================================================ */
footer {
  padding-block: 32px;
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-row img { height: 20px; opacity: 0.7; }
.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.footer-legal a {
  color: var(--ink-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.footer-legal a:hover { color: var(--accent); border-color: var(--accent); }

/* ============================================================
   Legal pages
   ============================================================ */
.legal-hero {
  padding-block: clamp(48px, 8vw, 80px) clamp(32px, 6vw, 56px);
  border-bottom: 1px solid var(--line);
}
.legal-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-top: 12px;
}
.legal-hero .section-desc { margin-top: 18px; max-width: 60ch; }

.legal-body {
  padding-block: clamp(40px, 6vw, 64px);
  display: grid;
  grid-template-columns: minmax(0, 68ch);
  justify-content: start;
}
.legal-body h2 {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.legal-body h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.legal-body p, .legal-body li {
  color: var(--ink-dim);
  font-size: 0.98rem;
  line-height: 1.7;
}
.legal-body p { margin-top: 14px; }
.legal-body p:first-of-type { margin-top: 18px; }
.legal-body ul { margin: 14px 0 0; padding-left: 22px; }
.legal-body li + li { margin-top: 8px; }
.legal-body a { color: var(--accent); }
.legal-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .work-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .trust .wrap { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 860px) {
  header.nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px var(--gutter) 20px;
  }
  header.nav-open .nav-links a {
    width: 100%;
    padding-block: 14px;
    border-bottom: 1px solid var(--line);
  }
}