:root {
  --ink: #182326;
  --petrol: #167080;
  --petrol-deep: #105965;
  --sea: #5e9d9a;
  --mist: #e8f0ef;
  --cream: #f8f6f1;
  --paper: #fffdf8;
  --line: rgba(24, 35, 38, .14);
  --soft-line: rgba(24, 35, 38, .08);
  --serif: "Bodoni Moda", Georgia, serif;
  --sans: "Manrope", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: var(--sea); color: white; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .75rem 1rem;
  background: var(--ink);
  color: white;
  border-radius: .3rem;
}
.skip-link:focus { top: 1rem; }

.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.eyebrow {
  margin: 0 0 1rem;
  color: var(--petrol-deep);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .13em;
  line-height: 1.4;
  text-transform: uppercase;
}
.accent { color: var(--petrol); }
.muted { color: rgba(24, 35, 38, .72); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid transparent;
  background: rgba(248, 246, 241, .88);
  backdrop-filter: blur(18px);
  transition: border-color .2s ease;
}
.site-header.scrolled { border-color: var(--line); }
.nav-wrap {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { width: 184px; height: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 1.65rem; }
.nav-links a {
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  transition: color .2s ease;
}
.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] { color: var(--petrol); }
.nav-cta {
  padding: .7rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 100px;
}
.nav-cta:hover,
.nav-cta:focus-visible { background: var(--ink); color: white !important; }
.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.insights-hero,
.article-hero {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(118deg, var(--cream) 0%, var(--cream) 70%, var(--mist) 100%);
}
.insights-hero { padding: clamp(5.5rem, 10vw, 9rem) 0 clamp(4.5rem, 8vw, 7rem); }
.article-hero { padding: clamp(4.5rem, 8vw, 7.5rem) 0 clamp(4rem, 7vw, 6.5rem); }
.hero-copy { max-width: 900px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--sans); }
h1 {
  margin-bottom: 1.4rem;
  max-width: 970px;
  font-size: clamp(3.2rem, 6vw, 5.8rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -.04em;
}
.article-hero h1 { font-size: clamp(2.85rem, 5.6vw, 5.35rem); }
.hero-intro {
  max-width: 770px;
  margin-bottom: 0;
  color: rgba(24, 35, 38, .72);
  font-size: clamp(1.15rem, 1.8vw, 1.42rem);
  line-height: 1.62;
}
.back-link {
  display: inline-block;
  margin-bottom: 1.4rem;
  color: var(--petrol-deep);
  font-size: .86rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.back-link:hover,
.back-link:focus-visible { text-decoration: underline; text-underline-offset: .3em; }

.insights-grid-section { padding: clamp(4.5rem, 8vw, 7.5rem) 0 clamp(6rem, 10vw, 9rem); }
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}
.insight-card {
  min-height: 370px;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: border-color .2s ease, transform .2s ease;
}
.insight-card:hover { border-color: rgba(22, 112, 128, .55); transform: translateY(-3px); }
.card-number {
  margin-bottom: 4rem;
  color: var(--petrol);
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1;
}
.insight-card h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.6rem, 2.4vw, 2.15rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -.025em;
}
.insight-card p { margin-bottom: 2rem; color: rgba(24, 35, 38, .72); }
.card-link {
  width: max-content;
  margin-top: auto;
  padding-bottom: .2rem;
  border-bottom: 1px solid var(--petrol);
  color: var(--petrol-deep);
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
}
.card-link:hover,
.card-link:focus-visible { color: var(--ink); border-color: var(--ink); }

.article-section { padding: clamp(4.5rem, 8vw, 7rem) 0 clamp(6rem, 11vw, 10rem); }
.article-layout {
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(0, 760px);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
}
.article-aside {
  position: sticky;
  top: 120px;
  padding-top: .25rem;
  border-top: 1px solid var(--ink);
}
.article-aside p {
  margin: .9rem 0 0;
  color: rgba(24, 35, 38, .62);
  font-size: .86rem;
  line-height: 1.55;
}
.article-body { max-width: 760px; }
.article-body > p,
.article-body > ul { margin-bottom: 1.6rem; }
.article-body h2 {
  margin: 3.75rem 0 1.2rem;
  font-size: clamp(1.85rem, 3vw, 2.55rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -.025em;
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 {
  margin: 2rem 0 .45rem;
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.45;
}
.article-body ul { padding-left: 1.25rem; }
.article-body li { margin-bottom: .55rem; padding-left: .25rem; }
.article-body strong { font-weight: 700; }
.article-body a { color: var(--petrol-deep); text-decoration-thickness: 1px; text-underline-offset: .2em; }
.question {
  margin: 2rem 0;
  padding: 1.35rem 1.5rem;
  border-left: 3px solid var(--petrol);
  background: var(--paper);
  font-size: 1.1rem;
  font-weight: 600;
}
.question p:last-child { margin-bottom: 0; }
.comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 2rem 0;
  border: 1px solid var(--line);
  background: var(--line);
}
.comparison > div { padding: 1.5rem; background: var(--paper); }
.comparison h3 { margin-top: 0; }
.article-cta {
  margin-top: 4.5rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  background: var(--ink);
  color: white;
}
.article-cta .eyebrow { color: #8fc4c1; }
.article-cta h2 {
  max-width: 650px;
  margin: 0 0 1rem;
  color: white;
  font-size: clamp(1.75rem, 3vw, 2.45rem);
}
.article-cta p { max-width: 660px; margin-bottom: 1.7rem; color: rgba(255, 255, 255, .75); }
.cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .72rem 1.1rem;
  border: 1px solid white;
  border-radius: 100px;
  color: white;
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
}
.cta-link:hover,
.cta-link:focus-visible { background: white; color: var(--ink); }

footer { border-top: 1px solid var(--line); }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 3rem;
  align-items: center;
  padding: 2.3rem 0;
}
.footer-brand { font-family: var(--serif); font-size: 1.55rem; }
.footer-grid a { font-size: .88rem; font-weight: 600; text-decoration: none; }
.footer-grid a:hover { color: var(--petrol); }
.footer-note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--soft-line);
  color: rgba(24, 35, 38, .58);
  font-size: .78rem;
}

@media (max-width: 980px) {
  .insights-grid { grid-template-columns: 1fr; }
  .insight-card { min-height: 0; }
  .card-number { margin-bottom: 2.5rem; }
  .article-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .article-aside { position: static; max-width: 760px; }
}

@media (max-width: 780px) {
  .shell { width: min(100% - 32px, 1180px); }
  .nav-wrap { height: 74px; }
  .brand img { width: 155px; }
  .menu-button { display: inline-grid; place-items: center; }
  .nav-links {
    position: fixed;
    inset: 74px 0 auto;
    min-height: calc(100svh - 74px);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1.5rem 24px;
    border-top: 1px solid var(--line);
    background: var(--cream);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-links.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-links a { padding: 1rem 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .nav-cta { margin-top: 1rem; text-align: center; border: 1px solid var(--ink) !important; }
  .comparison { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1rem; }
  .footer-note { grid-column: 1; }
}

@media (max-width: 520px) {
  h1 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .article-hero h1 { font-size: clamp(2.45rem, 12vw, 3.65rem); }
  .insight-card { padding: 1.5rem; }
  .article-cta { margin-inline: -16px; }
  .cta-link { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}