/* Jacobs Consultants — shared stylesheet
   Tokens: ink (text/dark), paper (background), signal (primary accent),
   brass (secondary accent, used sparingly), line (hairline borders) */

:root {
  --ink: #10151C;
  --ink-soft: #4A5568;
  --paper: #F4F6F8;
  --paper-raised: #FFFFFF;
  --navy: #14345C;
  --navy-deep: #0B2038;
  --gold: #A9812F;
  --gold-deep: #8A6A23;
  --line: #DCE2E8;
  --line-dark: #23364C;
  --danger: #B3432B;

  --font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body: 'Public Sans', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --maxw: 1120px;
  --radius: 10px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

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

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

a { color: var(--navy-deep); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

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

/* Eyebrow / mono labels, used as a structural device throughout,
   echoing the control-reference style used in real audit documentation */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy-deep);
}
.eyebrow.on-dark { color: var(--gold); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; color: var(--ink-soft); }

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(238, 241, 243, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(238, 241, 243, 0.98);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav__logo img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  flex-shrink: 0;
}
.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.nav__logo-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
  font-weight: 700;
}
.nav__logo-text span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  color: var(--ink-soft);
  text-transform: uppercase;
}
@media (max-width: 480px) {
  .nav__logo-text span { display: none; }
}
.nav__links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}
.nav__links a {
  color: var(--ink);
  text-decoration: none;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav__links a:hover,
.nav__links a[aria-current="page"] {
  border-bottom-color: var(--navy);
}
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: var(--font-mono);
}

@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-block; }
  .nav.is-open .nav__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper-raised);
    padding: 16px 24px 22px;
    border-bottom: 1px solid var(--line);
    gap: 14px;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--navy);
  color: #FFFFFF;
}
.btn--primary:hover { background: var(--navy-deep); color: #fff; }
.btn--ghost {
  background: transparent;
  border-color: var(--line-dark);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--navy-deep); }
.btn--on-dark.btn--ghost {
  border-color: rgba(244,246,247,0.35);
  color: var(--paper-raised);
}

/* ---------- Hero ---------- */
.hero {
  background: var(--navy-deep);
  color: var(--paper-raised);
  position: relative;
  overflow: hidden;
  padding: 96px 0 80px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244,246,247,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244,246,247,0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at top right, black 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 720px; }
.hero p.lede { color: rgba(244,246,247,0.78); }
.hero__actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.hero--page {
  padding: 64px 0 56px;
}

/* ---------- Trust strip ---------- */
.trust {
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.trust__row {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.trust__label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  text-transform: uppercase;
  white-space: nowrap;
}
.trust__marks {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.trust__marks span { border: 1px solid var(--line); border-radius: 6px; padding: 4px 10px; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.section--tight { padding: 48px 0; }
.section--alt { background: var(--paper-raised); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__head { max-width: 640px; margin-bottom: 40px; }

/* ---------- Control cards (services signature element) ---------- */
.control-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.control-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.control-card.is-visible { opacity: 1; transform: translateY(0); }
.control-card__ref {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  border: 1px solid var(--gold);
  border-radius: 5px;
  padding: 2px 8px;
  margin-bottom: 14px;
}
.control-card h3 { margin-bottom: 8px; }
.control-card p { margin-bottom: 0; font-size: 0.95rem; }
.control-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.control-card--link:hover { border-color: var(--navy-deep); }

/* ---------- Process ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.process__step {
  padding: 26px 22px;
  background: var(--paper-raised);
  border-left: 1px solid var(--line);
}
.process__step:first-child { border-left: none; }
.process__step .eyebrow { display: block; margin-bottom: 10px; }

/* ---------- Two column ---------- */
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process__step { border-left: none; border-top: 1px solid var(--line); }
  .process__step:first-child { border-top: none; }
}

.list-clean { list-style: none; margin: 0; padding: 0; }
.list-clean li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 10px;
  color: var(--ink-soft);
}
.list-clean li:last-child { border-bottom: none; }
.list-clean li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--navy);
  margin-top: 8px;
  flex-shrink: 0;
}

/* ---------- Credentials strip (about page) ---------- */
.credentials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
}
.credential {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--paper-raised);
}
.credential .eyebrow { display: block; margin-bottom: 6px; }
.credential strong { display: block; font-size: 1.05rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--navy-deep);
  color: var(--paper-raised);
  border-radius: var(--radius);
  padding: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 { margin-bottom: 6px; }
.cta-band p { color: rgba(244,246,247,0.75); margin: 0; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.channel-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--paper-raised);
  margin-bottom: 14px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.channel-card .icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 8px;
  background: rgba(18,165,148,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-deep);
  font-family: var(--font-mono);
  font-weight: 700;
}
.channel-card h3 { margin-bottom: 4px; font-size: 1.05rem; }
.channel-card p { margin-bottom: 6px; font-size: 0.95rem; }

form.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--paper-raised);
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line-dark);
  border-radius: 7px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 110px; }
.field-error {
  color: var(--danger);
  font-size: 0.82rem;
  margin-top: 4px;
  display: none;
}
.field.has-error input,
.field.has-error textarea { border-color: var(--danger); }
.field.has-error .field-error { display: block; }
.form-note {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 12px;
}
.form-status {
  margin-top: 14px;
  font-size: 0.9rem;
  display: none;
}
.form-status.is-visible { display: block; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 44px 0 30px;
  background: var(--paper-raised);
}
.footer__top {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.footer__logo { display: block; width: 84px; height: 84px; margin-bottom: 14px; }
.footer__logo img { border-radius: 50%; }
.footer__blurb { max-width: 32ch; }
.footer__cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 12px;
}
.footer__col ul { list-style: none; margin: 0; padding: 0; }
.footer__col li { margin-bottom: 8px; }
.footer__col a { color: var(--ink); text-decoration: none; font-size: 0.92rem; }
.footer__col a:hover { color: var(--navy-deep); }
.footer__bottom {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ---------- Whatsapp floating action ---------- */
.wa-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: #10151C;
  border-radius: 999px;
  padding: 13px 18px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 10px 24px rgba(18,24,32,0.22);
  transition: transform 0.15s ease;
}
.wa-float:hover { transform: translateY(-2px); }

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold);
  color: #10151C;
  padding: 10px 16px;
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }