/* NJBAI — global styles
   Brand: sky blue #4A90C4, true white, cream break #F5F0EA
   Fonts: Instrument Serif (headlines), Instrument Sans (body/UI), Caveat (script "AI") */

:root {
  --blue: #4A90C4;
  --blue-soft: rgba(74, 144, 196, 0.12);
  --ink: #1A2332;
  --ink-2: #4A5568;
  --ink-3: #6B7A8D;
  --ink-4: #9CA8B5;
  --paper: #FFFFFF;
  --paper-2: #F5F0EA;
  --line: rgba(26, 35, 50, 0.10);
  --line-strong: rgba(26, 35, 50, 0.20);
  --shadow-blue: 0 10px 30px rgba(74, 144, 196, 0.20);
  --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --sans: 'Instrument Sans', system-ui, -apple-system, Segoe UI, sans-serif;
  --script: 'Caveat', 'Brush Script MT', cursive;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Spacing scale — single source of truth */
  --gap-xs: 8px;
  --gap-sm: 14px;
  --gap-md: 22px;
  --gap-lg: 36px;
  --gap-xl: 56px;
  --section-y: 72px;
  --section-y-sm: 48px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Subtle dot grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image: radial-gradient(rgba(26, 35, 50,0.05) 1px, transparent 1px);
  background-size: 3px 3px;
}

body > * { position: relative; z-index: 1; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0 0 0.35em;
  line-height: 1.12;
}

h1 { font-size: clamp(38px, 5.2vw, 68px); }
h2 { font-size: clamp(28px, 3.4vw, 44px); }
h3 { font-size: clamp(20px, 2vw, 26px); }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: block;
  margin-bottom: 14px;
}

/* Section-intro pattern: eyebrow → h2 → optional lede → grid */
.section-intro { max-width: 60ch; }
.section-intro h2 { margin-bottom: 16px; }
.section-intro p { font-size: 17px; color: var(--ink-3); margin: 0; line-height: 1.55; }
.section-intro + .svc-grid,
.section-intro + .testi-grid,
.section-intro + .process-grid,
.section-intro + .post-grid,
.section-intro + .work-grid,
.section-intro + .principles { margin-top: 36px; }

.script { font-family: var(--script); color: var(--blue); }
.serif-italic { font-family: var(--serif); font-style: italic; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}
@media (max-width: 640px) { .container { padding: 0 20px; } }

section { padding: var(--section-y) 0; }
@media (max-width: 640px) { section { padding: var(--section-y-sm) 0; } }

/* Tighten adjacent same-color or cream-to-cream transitions */
.section-cream + section:not(.section-cream):not(.section-dark) { padding-top: 64px; }
section:not(.section-cream):not(.section-dark) + .section-cream { padding-top: 64px; }

.section-cream { background: var(--paper-2); }
/* Section-dark = soft slate-navy (not pure black). Complementary to the sky-blue accent. */
.section-dark {
  background: linear-gradient(180deg, #2E4A6B 0%, #3B5A82 100%);
  color: var(--paper);
}
.section-dark .eyebrow { color: rgba(238,243,250,0.65); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--paper); }
.section-dark p { color: rgba(238,243,250,0.78); }
.section-dark a { color: #8CC5E8; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none !important;
  line-height: 1;
}
.btn .arrow { transition: transform 0.18s ease; }
.btn:hover .arrow { transform: translateX(3px); }

.btn-primary { background: #2E4A6B; color: #fff; }
.btn-primary:hover { background: #3B5A82; box-shadow: var(--shadow-blue); transform: translateY(-1px); }

.btn-blue { background: var(--blue); color: #fff; }
.btn-blue span, .btn-blue { color: #fff !important; }
.btn-blue:hover { background: #1B5E8A; box-shadow: var(--shadow-blue); transform: translateY(-1px); }

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

.section-dark .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.3); }
.section-dark .btn-ghost:hover { border-color: #fff; }

.btn-light-on-dark { background: var(--paper); color: #0E1521; font-weight: 600; }
.btn-light-on-dark:hover { background: #fff; color: #060A12; box-shadow: 0 10px 30px rgba(0,0,0,0.25); }
.btn-cream { background: #F5F0EA; color: #1A2332; border: 1px solid #EDE5DA; }
.btn-cream:hover { background: #EDE5DA; color: #1A2332; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(26,35,50,0.15); }
.section-dark .btn-cream { background: #F5F0EA; color: #1A2332; border-color: rgba(245,240,234,0.3); }
.section-dark .btn-cream:hover { background: #EDE5DA; color: #1A2332; }


/* ---------- HEADER / NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 240, 234, 0.85);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid rgba(26, 35, 50,0.06);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  height: 56px;
  margin-right: 4px;
}
.nav-logo img { height: 56px; width: auto; display: block; }
.nav-links {
  display: flex;
  gap: 24px;
  margin-left: 18px;
}
.nav-links a {
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--blue); text-decoration: none; }
.nav-links a.is-active { color: var(--blue); }

.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-phone {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--ink-3);
  text-decoration: none;
  white-space: nowrap;
}
.nav-phone:hover { color: var(--ink); text-decoration: none; }

@media (max-width: 1100px) { .nav-phone { display: none; } }
@media (max-width: 960px) { .nav-links { display: none; } }
@media (max-width: 640px) {
  .nav-inner { height: 64px; padding: 0 20px; }
  .nav-logo, .nav-logo img { height: 44px; }
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
  margin-top: 0;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand img {
  height: 64px;
  width: auto;
  margin: 0 0 16px 0;
}
.footer-brand p {
  font-size: 14.5px;
  color: var(--ink-3);
  max-width: 34ch;
  margin: 0 0 14px;
  line-height: 1.5;
}
.footer-brand address {
  font-style: normal;
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.55;
}
.footer h4 {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
  margin: 0 0 18px;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 11px; }
.footer ul a { color: var(--ink-2); font-size: 14.5px; }
.footer ul a:hover { color: var(--blue); text-decoration: none; }

.footer-bottom {
  max-width: 1180px;
  margin: 40px auto 0;
  padding: 22px 28px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ink-3);
}
.footer-bottom .made {
  font-family: var(--mono);
  letter-spacing: 0.08em;
}
.footer-bottom a { color: var(--ink-3); }
.footer-bottom .sep { margin: 0 10px; color: var(--ink-4); }

@media (max-width: 960px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .footer { padding: 48px 0 28px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 10px; align-items: flex-start; margin-top: 32px; }
}

/* ---------- CARDS / SHARED ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
}
.section-dark .card { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.1); }

.meta-row {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-top: 28px;
  font-size: 13.5px;
  color: var(--ink-3);
}
.section-dark .meta-row { border-top-color: rgba(255,255,255,0.12); color: rgba(255,255,255,0.7); }
.meta-row span strong {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
  margin-bottom: 4px;
}
.section-dark .meta-row span strong { color: rgba(255,255,255,0.5); }

.roman {
  font-family: var(--serif);
  font-size: clamp(64px, 7vw, 110px);
  line-height: 1;
  color: var(--blue);
  font-style: italic;
  margin-bottom: 8px;
}
.section-dark .roman { color: #8CC5E8; }

/* Final CTA dark card — its parent <section> still has 72px padding, so card stays internally tight */
.cta-dark {
  background: linear-gradient(180deg, #2E4A6B 0%, #3B5A82 100%);
  color: #fff;
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
}
.cta-dark h2 { color: #fff; max-width: 22ch; margin: 0 auto 16px; }
.cta-dark p { color: rgba(255,255,255,0.75); max-width: 50ch; margin: 0 auto 28px; }
.cta-dark .actions { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
@media (max-width: 640px) { .cta-dark { padding: 44px 22px; } }

/* Two-column split */
.split {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 1080px) { .split { grid-template-columns: 1fr; gap: 32px; } }

/* Numbered card lists */
.numbered-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.numbered-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 22px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.section-dark .numbered-list li { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.1); }
.numbered-list .n {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--blue);
  letter-spacing: 0.08em;
}
.section-dark .numbered-list .n { color: #8CC5E8; }
.numbered-list h4 { font-family: var(--sans); font-size: 16px; font-weight: 600; margin: 0 0 6px; }
.numbered-list p { margin: 0; color: var(--ink-3); font-size: 14.5px; line-height: 1.5; }
.section-dark .numbered-list p { color: rgba(255,255,255,0.7); }


/* ---------- MOBILE NAV (added 2026-05-21) ---------- */
.njbai-burger {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  margin-left: 8px;
}
.njbai-burger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.15s ease;
}
.nav.open .njbai-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .njbai-burger span:nth-child(2) { opacity: 0; }
.nav.open .njbai-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 820px) {
  .njbai-burger { display: flex; }
  .nav-inner .nav-phone,
  .nav-inner .nav-right .btn { display: none; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper-2);
    padding: 8px 20px 16px;
    border-top: 1px solid var(--line);
  }
  .nav.open .nav-links { display: flex; }
  .nav-links a {
    padding: 14px 0;
    font-size: 16px;
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--line);
  }
  .nav-links a:last-child { border-bottom: 0; }
  .nav-links a.is-active { color: var(--blue); font-weight: 600; }
  .nav-inner { flex-wrap: wrap; height: auto; min-height: 64px; }
}