/* ============================================================
   REVTRAK CONSULTING — revtrakconsulting.co.nz
   Palette: Navy #203864 · Cyan #66CCFF · Ink · Mist
   Type: Archivo (display) · Public Sans (body) · IBM Plex Mono (data)
   ============================================================ */

:root {
  --navy: #203864;
  --navy-deep: #17263f;
  --navy-tint: #2c4a80;
  --cyan: #66ccff;
  --cyan-soft: rgba(102, 204, 255, 0.14);
  --ink: #232830;
  --slate: #5b6472;
  --paper: #ffffff;
  --mist: #f4f7fb;
  --line: #e1e8f1;
  --line-navy: rgba(255, 255, 255, 0.16);

  --font-display: "Archivo", sans-serif;
  --font-body: "Public Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --max-w: 1120px;
  --radius: 10px;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--navy); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: -0.015em;
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p.lead { font-size: 1.2rem; color: var(--slate); max-width: 44em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy-tint);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--cyan);
}
.on-navy .eyebrow { color: var(--cyan); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-tint); }
.btn-cyan { background: var(--cyan); color: var(--navy-deep); }
.btn-cyan:hover { background: #85d7ff; }
.btn-ghost { border-color: var(--line-navy); color: #fff; }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.brand img { width: 40px; height: auto; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--navy);
  line-height: 1.1;
}
.brand-name small {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  color: var(--slate);
  text-transform: uppercase;
}
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--navy); border-bottom-color: var(--cyan); }
.nav-links a.active { color: var(--navy); border-bottom-color: var(--cyan); }
.nav-links .btn { padding: 10px 20px; font-size: 0.9rem; }
.nav-toggle {
  display: none;
  background: none; border: none;
  font-size: 1.6rem; color: var(--navy);
  cursor: pointer;
}

/* ---------- Hero (navy) ---------- */
.hero {
  background: var(--navy);
  color: #fff;
  padding: 110px 0 90px;
}
.hero h1 { color: #fff; max-width: 15em; }
.hero h1 .accent { color: var(--cyan); }
.hero .lead { color: rgba(255, 255, 255, 0.78); margin: 24px 0 36px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* Rate-grid stat strip — signature element */
.stat-strip {
  background: var(--navy-deep);
  border-top: 1px solid var(--line-navy);
}
.stat-strip .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.stat {
  padding: 30px 24px;
  border-left: 1px solid var(--line-navy);
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: -0.01em;
}
.stat span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.66);
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section.mist { background: var(--mist); }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head p { color: var(--slate); margin-top: 14px; }

/* Why columns */
.cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.why h3 { margin-bottom: 10px; }
.why p { color: var(--slate); font-size: 0.98rem; }
.why .tick {
  font-family: var(--font-mono);
  color: var(--cyan);
  background: var(--navy);
  display: inline-flex;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: 8px;
  font-size: 1rem;
  margin-bottom: 18px;
}

/* Service cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--cyan); transform: translateY(-3px); }
.card .code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--navy-tint);
  display: block;
  margin-bottom: 14px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--slate); font-size: 0.96rem; }
.card a.more {
  display: inline-block;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 2px;
}

/* Service detail rows */
.service-row {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  padding: 64px 0;
  border-top: 1px solid var(--line);
}
.service-row:first-of-type { border-top: none; padding-top: 0; }
.service-row h2 { margin-bottom: 16px; font-size: 1.75rem; }
.service-row .desc { color: var(--slate); }
.service-list { list-style: none; margin-top: 22px; }
.service-list li {
  padding: 10px 0 10px 30px;
  position: relative;
  border-bottom: 1px dashed var(--line);
  font-size: 0.97rem;
}
.service-list li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
}
.outcome {
  background: var(--mist);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 26px;
  align-self: start;
}
.outcome .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy-tint);
  display: block;
  margin-bottom: 10px;
}
.outcome p { font-size: 0.98rem; color: var(--ink); }

/* Blog / case cards */
.post-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.post-card:hover { border-color: var(--cyan); transform: translateY(-3px); }
.post-card .band {
  height: 6px;
  background: linear-gradient(90deg, var(--navy) 60%, var(--cyan) 60%);
}
.post-card .body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.post-card .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy-tint);
  margin-bottom: 12px;
}
.post-card h3 { margin-bottom: 10px; }
.post-card h3 a { text-decoration: none; }
.post-card h3 a:hover { color: var(--navy-tint); }
.post-card p { color: var(--slate); font-size: 0.95rem; flex: 1; }
.post-card .meta {
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--slate);
  font-family: var(--font-mono);
}

/* Case study result chips */
.result-chips { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--cyan-soft);
  color: var(--navy);
  border-radius: 6px;
  padding: 6px 12px;
}

/* Article pages */
.article-hero { background: var(--navy); color: #fff; padding: 80px 0 60px; }
.article-hero h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 2.9rem); max-width: 22em; }
.article-hero .meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  margin-top: 18px;
}
.article { max-width: 720px; margin: 0 auto; padding: 72px 24px 96px; }
.article h2 { font-size: 1.5rem; margin: 44px 0 14px; }
.article h3 { margin: 32px 0 10px; }
.article p { margin-bottom: 18px; }
.article ul, .article ol { margin: 0 0 18px 22px; }
.article li { margin-bottom: 8px; }
.article .callout {
  background: var(--mist);
  border-left: 3px solid var(--cyan);
  padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 28px 0;
  font-size: 0.98rem;
}
.article .cta-inline {
  margin-top: 48px;
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 36px 32px;
}
.article .cta-inline h3 { color: #fff; margin: 0 0 8px; }
.article .cta-inline p { color: rgba(255,255,255,0.75); margin-bottom: 20px; }

/* Case study article blocks */
.cs-block { margin: 36px 0; }
.cs-block .label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy-tint);
  display: block;
  margin-bottom: 8px;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
}
form .field { margin-bottom: 20px; }
label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--navy);
}
label .opt { font-weight: 400; color: var(--slate); }
input, select, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}
textarea { min-height: 140px; resize: vertical; }
.field-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-aside .item { margin-bottom: 28px; }
.contact-aside .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy-tint);
  display: block;
  margin-bottom: 4px;
}
.contact-aside a { text-decoration: none; font-weight: 600; }
.contact-aside a:hover { border-bottom: 2px solid var(--cyan); }

/* ---------- Final CTA band ---------- */
.cta-band { background: var(--navy); color: #fff; padding: 88px 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.75); margin: 16px 0 32px; max-width: 40em; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 40px;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.site-footer .brand-name { color: #fff; }
.site-footer .brand-name small { color: rgba(255,255,255,0.5); }
.site-footer h4 {
  color: #fff;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: rgba(255,255,255,0.72); text-decoration: none; }
.site-footer a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid var(--line-navy);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cols-3, .footer-grid { grid-template-columns: 1fr; }
  .service-row, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .stat-strip .wrap { grid-template-columns: 1fr; }
  .stat { border-left: none; border-top: 1px solid var(--line-navy); padding-left: 0; }
  .stat:first-child { border-top: none; }
  .section { padding: 64px 0; }
  .hero { padding: 72px 0 60px; }

  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
  }
  .nav-links.open { display: flex; }
}
@media (max-width: 560px) {
  .field-2 { grid-template-columns: 1fr; }
}