/* =========================================================
   AUDACIA ENGINEERING GROUP — Stylesheet
   Swiss-inspired, editorial, static institutional design.
   No motion/animation beyond instant colour states.
   ========================================================= */

:root {
  --cedar:  #234B3F;
  --cedar-dark: #1B3B32;
  --bronze: #B8924A;
  --stone:  #6F726B;
  --ivory:  #F7F6F2;
  --white:  #FFFFFF;
  --line:   #DEDBD2;

  --container: 1180px;
  --gutter: 32px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--ivory);
  color: var(--stone);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--cedar);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1.2em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; text-decoration: none; }

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

ul { margin: 0; padding: 0; list-style: none; }

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

/* ---------------------------------------------------------
   Utility text styles
   --------------------------------------------------------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 22px;
}

.eyebrow .num {
  color: var(--stone);
  font-weight: 500;
}

.eyebrow::after {
  content: "";
  display: block;
  height: 1px;
  width: 48px;
  background: var(--bronze);
}

.section-head {
  max-width: 760px;
  margin-bottom: 64px;
}

.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head--center .eyebrow {
  justify-content: center;
}

.section-head--center .eyebrow::after { display: none; }

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--cedar);
  color: var(--ivory);
  border-color: var(--cedar);
}

.btn-primary:hover {
  background: var(--cedar-dark);
  border-color: var(--cedar-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--cedar);
  border-color: var(--cedar);
}

.btn-ghost:hover {
  background: var(--cedar);
  color: var(--ivory);
}

.btn-on-dark {
  background: var(--bronze);
  color: var(--cedar-dark);
  border-color: var(--bronze);
}

.btn-on-dark:hover {
  background: var(--ivory);
  border-color: var(--ivory);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cedar);
  border-bottom: 1px solid var(--bronze);
  padding-bottom: 4px;
}

.link-arrow:hover { color: var(--bronze); }

/* ---------------------------------------------------------
   Header / Navigation
   --------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ivory);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 92px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 34px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cedar);
}

.brand-text span {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 44px;
}

.main-nav ul {
  display: flex;
  gap: 36px;
}

.main-nav a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cedar);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
}

.main-nav a:hover {
  color: var(--bronze);
  border-bottom-color: var(--bronze);
}

.main-nav a.is-active {
  color: var(--bronze);
  border-bottom-color: var(--bronze);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--line);
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  width: 18px;
  margin: 0 auto;
  background: var(--cedar);
}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */

.hero {
  padding: 110px 0 120px;
  border-bottom: 1px solid var(--line);
}

.hero .eyebrow { justify-content: flex-start; }

.hero h1 {
  font-size: clamp(38px, 5.6vw, 68px);
  max-width: 920px;
  margin-bottom: 32px;
}

.hero-lede {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 48px;
}

.hero-lede p {
  font-size: 19px;
  color: var(--stone);
}

.hero-lede p:first-child {
  font-size: 22px;
  color: var(--cedar);
  font-weight: 500;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
}

/* ---------------------------------------------------------
   Statement / editorial sections
   --------------------------------------------------------- */

.section {
  padding: 120px 0;
  border-bottom: 1px solid var(--line);
}

.statement-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.statement-grid .statement {
  font-size: clamp(24px, 2.6vw, 34px);
  color: var(--cedar);
  font-weight: 600;
  line-height: 1.35;
}

.statement-grid .support p {
  font-size: 17px;
  color: var(--stone);
}

/* ---------------------------------------------------------
   Approach — three disciplines
   --------------------------------------------------------- */

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.discipline-card {
  background: var(--ivory);
  padding: 48px 40px;
}

.discipline-card .index {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--bronze);
  margin-bottom: 28px;
}

.discipline-card h3 {
  font-size: 22px;
  margin-bottom: 16px;
}

.discipline-card .lead {
  color: var(--cedar);
  font-weight: 500;
  font-size: 16px;
  margin-bottom: 14px;
}

.discipline-card p.desc {
  color: var(--stone);
  font-size: 15.5px;
}

.approach-close {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.approach-close p {
  max-width: 620px;
  margin: 0 auto;
  font-size: 21px;
  color: var(--cedar);
  font-weight: 500;
}

/* ---------------------------------------------------------
   Expertise
   --------------------------------------------------------- */

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.expertise-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 44px 36px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.expertise-card .index {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--bronze);
  margin-bottom: 24px;
}

.expertise-card h3 {
  font-size: 19px;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}

.expertise-card p.desc {
  color: var(--stone);
  font-size: 15.5px;
  margin-bottom: 24px;
}

.expertise-card .caps-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 16px;
}

.expertise-card .caps-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.expertise-card .caps-list li {
  font-size: 14.5px;
  color: var(--cedar);
  padding-left: 16px;
  position: relative;
}

.expertise-card .caps-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--bronze);
}

.expertise-card .footnote {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--stone);
  font-style: italic;
}

/* ---------------------------------------------------------
   Conviction — pull quote
   --------------------------------------------------------- */

.quote-block {
  border-left: 4px solid var(--bronze);
  padding: 4px 0 4px 36px;
  margin: 8px 0 56px;
}

.quote-block p {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  color: var(--cedar);
  line-height: 1.45;
  max-width: 780px;
}

.statement-close {
  padding-top: 48px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.statement-close p {
  max-width: 620px;
  margin: 0 auto;
  font-size: 21px;
  color: var(--cedar);
  font-weight: 500;
}

/* ---------------------------------------------------------
   About — founders
   --------------------------------------------------------- */

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
}

.founders-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.founders-list li {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  color: var(--cedar);
  font-weight: 500;
  font-size: 17px;
}

.founders-list li .n {
  font-size: 13px;
  font-weight: 600;
  color: var(--bronze);
  letter-spacing: 0.06em;
}

.about-copy p {
  font-size: 17px;
  color: var(--stone);
}

.about-copy p.objective {
  color: var(--cedar);
  font-size: 19px;
  font-weight: 500;
  margin-top: 24px;
}

/* ---------------------------------------------------------
   Closing / Contact
   --------------------------------------------------------- */

.closing {
  padding: 130px 0;
  text-align: center;
}

.closing .eyebrow { justify-content: center; }
.closing .eyebrow::after { display: none; }

.closing h2 {
  font-size: clamp(30px, 4vw, 46px);
  max-width: 820px;
  margin: 0 auto 28px;
}

.closing p.support {
  max-width: 640px;
  margin: 0 auto 12px;
  color: var(--stone);
  font-size: 18px;
}

.closing p.tagline {
  color: var(--cedar);
  font-weight: 600;
  font-size: 22px;
  margin: 32px 0 48px;
}

.contact-card {
  display: inline-flex;
  align-items: center;
  gap: 40px;
  text-align: left;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 32px 44px;
  margin-top: 8px;
}

.contact-card .who strong {
  display: block;
  color: var(--cedar);
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-card .who span {
  display: block;
  font-size: 13px;
  color: var(--stone);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contact-card .details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14.5px;
  border-left: 1px solid var(--line);
  padding-left: 40px;
}

.contact-card .details a { color: var(--cedar); }
.contact-card .details a:hover { color: var(--bronze); }

.closing .cta-row {
  margin-top: 44px;
}

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */

.site-footer {
  background: var(--cedar-dark);
  color: rgba(247,246,242,0.65);
  padding: 80px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(247,246,242,0.14);
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.footer-brand img { height: 30px; width: auto; margin-top: 4px; }

.footer-brand strong {
  display: block;
  color: var(--ivory);
  font-size: 15px;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 14px;
  max-width: 260px;
  color: rgba(247,246,242,0.6);
}

.footer-col h4 {
  color: var(--ivory);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 12px; }

.footer-col a {
  font-size: 14.5px;
  color: rgba(247,246,242,0.65);
}

.footer-col a:hover { color: var(--bronze); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  font-size: 13px;
  color: rgba(247,246,242,0.45);
}

.footer-bottom a:hover { color: var(--bronze); }

/* ---------------------------------------------------------
   Interior page header (Approach, Expertise, Conviction,
   About, Contact)
   --------------------------------------------------------- */

.page-header {
  padding: 84px 0 76px;
  border-bottom: 1px solid var(--line);
}

.page-header h1 {
  font-size: clamp(34px, 4.8vw, 54px);
  max-width: 820px;
  margin-bottom: 26px;
}

.page-header .lede {
  max-width: 700px;
  font-size: 19px;
  color: var(--stone);
}

/* ---------------------------------------------------------
   Home — site index linking out to interior pages
   (navigation only — no page content is duplicated here;
   each item's substance lives solely on its own page)
   --------------------------------------------------------- */

.index-list {
  border-top: 1px solid var(--line);
}

.index-list a {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 30px 4px;
  border-bottom: 1px solid var(--line);
}

.index-list .num {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--bronze);
  width: 32px;
  flex-shrink: 0;
}

.index-list h3 {
  flex: 1;
  font-size: clamp(20px, 2.6vw, 28px);
  transition: none;
}

.index-list .arrow {
  font-size: 22px;
  color: var(--bronze);
  flex-shrink: 0;
}

.index-list a:hover h3 { color: var(--bronze); }

/* ---------------------------------------------------------
   Next-page band (bottom of interior pages)
   --------------------------------------------------------- */

.next-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.next-band a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px 0;
  gap: 24px;
}

.next-band a:hover .next-title { color: var(--bronze); }

.next-band .next-label {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 8px;
  display: block;
}

.next-band .next-title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--cedar);
}

.next-band .arrow {
  font-size: 26px;
  color: var(--bronze);
  flex-shrink: 0;
}

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */

@media (max-width: 980px) {
  .hero-lede,
  .statement-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .card-grid-3,
  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .index-list a {
    gap: 16px;
    padding: 24px 0;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    row-gap: 40px;
  }

  .contact-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .contact-card .details {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 20px;
  }
}

@media (max-width: 760px) {
  :root { --gutter: 22px; }

  .site-header .container { height: 76px; }

  .main-nav ul { display: none; }

  .nav-toggle { display: flex; }

  .main-nav.is-open ul {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--ivory);
    border-bottom: 1px solid var(--line);
    padding: 24px var(--gutter) 32px;
    gap: 22px;
  }

  .main-nav .btn { display: none; }

  .hero { padding: 64px 0 72px; }

  .page-header { padding: 56px 0 48px; }

  .section, .closing { padding: 72px 0; }

  .footer-top { grid-template-columns: 1fr; }

  .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }

  .next-band a {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 32px 0;
  }
}