@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f5f7fa;
  --bg2:#eef2f7;
  --surface:#ffffff;
  --ink:#121826;
  --ink2:#2a3448;
  --muted:#3d4a5c;
  --line:#c8d0dc;
  --line2:#dde3ec;
  --accent:#0b6e4f;
  --accent-hover:#095c42;
  --accent-soft:#e6f5ef;
  --cta:#c2410c;
  --cta-hover:#9a3412;
  --cta-soft:#fff4ed;
  --deep:#121826;
  --deep2:#1a2332;
  --white:#ffffff;
  --font:'Atkinson Hyperlegible',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --ease:cubic-bezier(0.22,1,0.36,1);
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink2);
  font-size:1.125rem;
  line-height:1.75;
  letter-spacing:0.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem 5vw;
  background:rgba(255,255,255,0.94);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line2);
  box-shadow:0 1px 0 rgba(18,24,38,0.04);
}
.nav-brand{
  font-family:var(--font);font-weight:700;font-size:1.25rem;
  color:var(--ink);letter-spacing:0;
}
.nav-links{display:flex;align-items:center;gap:1.35rem;list-style:none;flex-wrap:wrap;justify-content:flex-end}
.nav-links a{
  font-size:.875rem;font-weight:700;letter-spacing:.02em;
  color:var(--ink2);transition:color .2s;
}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.nav-book{
  background:var(--cta)!important;color:var(--white)!important;
  padding:.55rem 1.1rem!important;border-radius:6px!important;
  letter-spacing:.01em!important;font-weight:700!important;font-size:.875rem!important;
}
.nav-book:hover{background:var(--cta-hover)!important}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:1rem 1.5rem;border-radius:6px;
  font-family:var(--font);
  font-weight:700;font-size:1.05rem;line-height:1.25;
  border:2px solid transparent;
  transition:background .2s,transform .15s,color .2s,border-color .2s,box-shadow .2s;
  cursor:pointer;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;flex-shrink:0}
.btn-signal{
  background:var(--cta);color:var(--white)!important;
  box-shadow:0 2px 8px rgba(194,65,12,0.28);
}
.btn-signal:hover{
  background:var(--cta-hover);transform:translateY(-1px);
  box-shadow:0 4px 14px rgba(194,65,12,0.35);
}
.btn-steel{
  background:var(--accent);color:var(--white)!important;
  box-shadow:0 2px 8px rgba(11,110,79,0.25);
}
.btn-steel:hover{
  background:var(--accent-hover);transform:translateY(-1px);
  box-shadow:0 4px 14px rgba(11,110,79,0.32);
}
.btn-ghost{
  border:2px solid var(--ink);color:var(--ink)!important;background:var(--white);
}
.btn-ghost:hover{background:var(--ink);color:var(--white)!important}
.btn-ghost-light,
.cta-band .btn-ghost,
.page-footer-cta .btn-ghost{
  border:2px solid rgba(255,255,255,0.85)!important;
  color:var(--white)!important;
  background:transparent!important;
}
.cta-band .btn-ghost:hover,
.page-footer-cta .btn-ghost:hover{
  background:var(--white)!important;
  color:var(--ink)!important;
}

.page-hero{
  padding:8.5rem 5vw 3.75rem;
  background:
    radial-gradient(ellipse 80% 60% at 100% 0%,var(--accent-soft),transparent 55%),
    radial-gradient(ellipse 60% 50% at 0% 100%,var(--cta-soft),transparent 50%),
    linear-gradient(180deg,var(--white),var(--bg));
  border-bottom:1px solid var(--line2);
}
.page-hero .eyebrow{
  font-size:.8125rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);margin-bottom:.9rem;
}
.page-hero h1{
  font-family:var(--font);font-weight:700;
  font-size:clamp(2rem,4vw,2.85rem);line-height:1.2;
  color:var(--ink);letter-spacing:0;max-width:24ch;margin-bottom:1.1rem;
}
.page-hero .lead{
  max-width:64ch;font-size:1.2rem;font-weight:400;color:var(--ink2);
  margin-bottom:1.85rem;line-height:1.7;
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.85rem;align-items:center}

.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:3rem;padding:3.5rem 5vw 5rem;max-width:1200px;margin:0 auto;
}
.prose{
  background:var(--surface);
  border:1px solid var(--line2);
  border-radius:10px;
  padding:2rem 2.15rem 2.5rem;
}
.prose h2{
  font-family:var(--font);font-weight:700;font-size:1.5rem;
  color:var(--ink);letter-spacing:0;margin:2.35rem 0 .9rem;line-height:1.3;
}
.prose h2:first-child{margin-top:0}
.prose h3{
  font-family:var(--font);font-weight:700;font-size:1.2rem;
  color:var(--ink);margin:1.75rem 0 .55rem;line-height:1.35;
}
.prose p{margin-bottom:1.2rem;font-size:1.125rem;color:var(--ink2);line-height:1.75}
.prose ul,.prose ol{margin:0 0 1.35rem 1.35rem;color:var(--ink2)}
.prose li{margin-bottom:.6rem;font-size:1.1rem;line-height:1.65}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;font-weight:700}
.prose a:hover{color:var(--cta)}

.cta-band{
  margin:2.75rem 0;
  padding:1.75rem 1.75rem 1.85rem;
  background:linear-gradient(145deg,var(--deep) 0%,var(--deep2) 100%);
  color:rgba(255,255,255,0.92);
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.08);
}
.cta-band h3{
  font-family:var(--font);font-weight:700;font-size:1.35rem;
  color:#fff!important;margin:0 0 .45rem;line-height:1.3;
}
.cta-band p{margin:0 0 1.2rem;font-size:1.1rem;color:rgba(255,255,255,0.88)!important;line-height:1.65}
.cta-band .hero-ctas{margin:0}
.cta-band .btn-signal,
.cta-band .btn-steel,
.page-footer-cta .btn-signal,
.page-footer-cta .btn-steel{
  color:#fff!important;
}

.sidebar{position:sticky;top:5.5rem;align-self:start;display:flex;flex-direction:column;gap:1rem}
.side-card{
  background:var(--white);border:1px solid var(--line);border-radius:10px;padding:1.35rem;
  box-shadow:0 1px 2px rgba(18,24,38,0.04);
}
.side-card h4{
  font-family:var(--font);font-size:1.1rem;font-weight:700;color:var(--ink);margin-bottom:.5rem;
}
.side-card p{font-size:1rem;margin-bottom:1rem;color:var(--ink2);line-height:1.6}
.side-card .btn{width:100%;justify-content:center;font-size:1rem;padding:.9rem 1rem}
.keyword-list{list-style:none;margin:0;padding:0}
.keyword-list li{
  font-size:.95rem;padding:.5rem 0;border-bottom:1px solid var(--line2);color:var(--ink2);line-height:1.45;
}
.keyword-list li:last-child{border-bottom:none}
.keyword-list a{color:var(--accent);text-decoration:none;font-weight:700}
.keyword-list a:hover{color:var(--cta);text-decoration:underline}

.hub-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:.85rem;padding:0 5vw 4rem;max-width:1200px;margin:0 auto;
}
.hub-card{
  background:var(--white);border:1px solid var(--line);border-radius:8px;
  padding:1.2rem 1.2rem;transition:border-color .2s,transform .15s,box-shadow .2s;
}
.hub-card:hover{
  border-color:var(--accent);transform:translateY(-2px);
  box-shadow:0 6px 18px rgba(18,24,38,0.08);
}
.hub-card h3{font-family:var(--font);font-size:1.1rem;font-weight:700;color:var(--ink);margin-bottom:.4rem}
.hub-card p{font-size:.95rem;line-height:1.55;margin:0;color:var(--ink2)}

.section-intro{padding:2.5rem 5vw 1.5rem;max-width:1200px;margin:0 auto}
.section-intro h2{
  font-family:var(--font);font-size:1.5rem;font-weight:700;color:var(--ink);margin-bottom:.55rem;
}
.section-intro p{max-width:70ch;font-size:1.125rem;color:var(--ink2);line-height:1.7}

.tools-preview,.cities-preview{
  padding:1rem 5vw 3rem;max-width:1200px;margin:0 auto;
}
.chip-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.chip{
  font-size:.875rem;font-weight:700;color:var(--ink2);
  background:var(--white);border:1px solid var(--line);
  padding:.45rem .8rem;border-radius:6px;
}

.page-footer-cta{
  background:linear-gradient(160deg,var(--deep) 0%,#0f3d30 100%);
  padding:4.5rem 5vw;text-align:center;
}
.page-footer-cta h2{
  font-family:var(--font);font-weight:700;font-size:clamp(1.65rem,3vw,2.35rem);
  color:#fff;letter-spacing:0;margin-bottom:.8rem;line-height:1.25;
}
.page-footer-cta p{color:rgba(255,255,255,0.88);max-width:52ch;margin:0 auto 1.6rem;font-size:1.125rem;line-height:1.7}
.page-footer-cta .hero-ctas{justify-content:center}

.breadcrumbs{
  padding:5.75rem 5vw 0;
  font-size:.875rem;
  color:var(--muted);
  max-width:1200px;
  margin:0 auto;
}
.breadcrumbs a{color:var(--accent);font-weight:700;text-decoration:underline;text-underline-offset:2px}
.breadcrumbs a:hover{color:var(--cta)}
.breadcrumbs span[aria-current="page"]{color:var(--ink);font-weight:700}

.related-links{
  max-width:1200px;
  margin:0 auto;
  padding:2.5rem 5vw 1rem;
}
.related-links h2{
  font-family:var(--font);
  font-size:1.35rem;
  font-weight:700;
  color:var(--ink);
  margin-bottom:.85rem;
}
.related-links ul{
  list-style:none;
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:.55rem .85rem;
  margin:0;
  padding:0;
}
.related-links a{
  display:block;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:6px;
  padding:.7rem .85rem;
  color:var(--ink);
  font-weight:700;
  font-size:.95rem;
  text-decoration:none;
}
.related-links a:hover{border-color:var(--accent);color:var(--accent)}

footer{
  background:var(--deep2);padding:1.6rem 5vw;
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,0.08);
}
footer .f-brand{font-family:var(--font);font-weight:700;color:#fff;font-size:1.1rem}
footer p{font-size:.875rem;color:rgba(255,255,255,0.5)}
.f-links{display:flex;gap:1.25rem;flex-wrap:wrap}
.f-links a{font-size:.875rem;color:rgba(255,255,255,0.65);font-weight:700}
.f-links a:hover{color:#fff}

@media(max-width:900px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .prose{padding:1.5rem 1.25rem 2rem}
  .nav-links li:not(.keep){display:none}
  .nav-links .keep{display:list-item}
  .btn{width:100%;max-width:100%}
  .hero-ctas .btn{flex:1 1 100%}
  body{font-size:1.0625rem}
}