:root {
  --eco-navy: #071d33;
  --eco-ink: #173446;
  --eco-blue: #0353a4;
  --eco-muted: #5f7481;
  --eco-line: #d8e2e8;
  --eco-pale: #f2f6fa;
  --eco-white: #fff;
  --eco-container: 1320px;
  --eco-gutter: 24px;
  --eco-display: "Barlow Condensed", sans-serif;
  --eco-body: "Inter", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--eco-ink); background: #fff; font-family: var(--eco-body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { color: inherit; }
.eco-container { width: min(var(--eco-container), calc(100% - (var(--eco-gutter) * 2))); margin-inline: auto; }

.eco-topbar { border-bottom: 1px solid rgba(3,83,164,.1); background: #f5f8fb; }
.eco-topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 34px; }
.eco-topbar nav { display: flex; gap: 18px; }
.eco-topbar a { color: #536876; font-size: .72rem; font-weight: 700; text-decoration: none; }
.eco-topbar a:hover,.eco-topbar .is-emphasis { color: var(--eco-blue); }
.eco-nav-shell { position: relative; z-index: 50; border-bottom: 1px solid rgba(3,83,164,.1); background: rgba(255,255,255,.98); }
.eco-nav { display: flex; align-items: center; min-height: 78px; gap: 28px; }
.eco-logo { display: inline-flex; flex: 0 0 auto; }
.eco-logo img { width: 136px; height: auto; }
.eco-menu { display: flex; align-items: center; justify-content: space-between; flex: 1; min-width: 0; gap: 22px; }
.eco-main-links { display: flex; justify-content: center; flex: 1; gap: 2px; }
.eco-main-links > a,.eco-nav-group > summary { position: relative; display: inline-flex; align-items: center; min-height: 46px; padding: 0 12px; border-radius: 6px; color: #294553; font-size: .88rem; font-weight: 750; text-decoration: none; cursor: pointer; list-style: none; white-space: nowrap; }
.eco-nav-group > summary::-webkit-details-marker { display: none; }
.eco-nav-group > summary span { width: 6px; height: 6px; margin: -3px 0 0 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); transition: transform .2s ease; }
.eco-nav-group[open] > summary span { margin-top: 3px; transform: rotate(225deg); }
.eco-main-links > a:hover,.eco-main-links > a.is-active,.eco-nav-group > summary:hover,.eco-nav-group[open] > summary,.eco-nav-group.is-active > summary { color: var(--eco-blue); background: rgba(3,83,164,.055); }
.eco-main-links > a.is-active::after,.eco-nav-group.is-active > summary::after { position: absolute; right: 12px; bottom: 5px; left: 12px; height: 2px; background: var(--eco-blue); content: ""; }
.eco-nav-group { position: relative; }
.eco-nav-dropdown { position: absolute; top: calc(100% + 14px); left: 50%; display: grid; grid-template-columns: 220px minmax(230px,1fr); width: 510px; padding: 10px; border: 1px solid rgba(7,29,51,.1); border-radius: 10px; background: #fff; box-shadow: 0 24px 60px rgba(7,29,51,.17); transform: translateX(-50%); }
.eco-nav-dropdown::before { position: absolute; right: 0; bottom: 100%; left: 0; height: 15px; content: ""; }
.eco-nav-dropdown-head { padding: 20px; border-radius: 7px; background: var(--eco-pale); }
.eco-nav-dropdown-head small { color: var(--eco-blue); font-size: .65rem; font-weight: 850; text-transform: uppercase; }
.eco-nav-dropdown-head p { margin: 8px 0 18px; color: var(--eco-muted); font-size: .78rem; line-height: 1.55; }
.eco-nav-dropdown-head a { color: var(--eco-navy); font-size: .76rem; font-weight: 800; text-decoration: none; }
.eco-nav-dropdown-links { display: grid; align-content: start; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 2px; padding: 8px; }
.eco-nav-dropdown-links a { display: flex; justify-content: space-between; align-items: center; min-height: 42px; padding: 0 11px; border-radius: 5px; color: #294553; font-size: .78rem; font-weight: 750; text-decoration: none; }
.eco-nav-dropdown-links a b,.eco-nav-dropdown-head a b { color: var(--eco-blue); }
.eco-nav-dropdown-links a:hover,.eco-nav-dropdown-links a.is-active { color: var(--eco-blue); background: #f3f7fb; }
.eco-nav-actions { display: flex; align-items: center; gap: 10px; }
.eco-phone { display: grid; padding: 4px 8px; text-decoration: none; white-space: nowrap; }
.eco-phone small { color: #71838e; font-size: .56rem; font-weight: 750; text-transform: uppercase; }
.eco-phone b { color: var(--eco-navy); font-size: .72rem; }
.eco-button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border: 1px solid var(--eco-blue); border-radius: 7px; background: var(--eco-blue); color: #fff; font-size: .82rem; font-weight: 800; text-decoration: none; }
.eco-button:hover { background: #063f78; border-color: #063f78; }
.eco-button-small { min-height: 42px; padding-inline: 15px; font-size: .72rem; white-space: nowrap; }
.eco-button-secondary { color: var(--eco-navy); border-color: rgba(7,29,51,.25); background: #fff; }
.eco-menu-toggle { display: none; }

.eco-page-hero { position: relative; overflow: hidden; padding: 112px 0 100px; background: var(--eco-navy); color: #fff; }
.eco-page-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .32; }
.eco-page-hero.has-image::after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,29,51,.98), rgba(7,29,51,.65)); content: ""; }
.eco-page-hero-inner { position: relative; z-index: 1; }
.eco-kicker { color: #9fc5eb; font-size: .73rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.eco-page-hero h1 { max-width: 850px; margin: 14px 0 20px; font-family: var(--eco-display); font-size: 4.9rem; line-height: .98; letter-spacing: 0; }
.eco-page-hero p { max-width: 710px; margin: 0; color: rgba(255,255,255,.74); font-size: 1.08rem; line-height: 1.75; }
.eco-page-hero .eco-button { margin-top: 28px; }
.eco-breadcrumbs { display: flex; gap: 8px; padding-top: 22px; color: #71838e; font-size: .75rem; }
.eco-breadcrumbs a { color: var(--eco-blue); text-decoration: none; }
.eco-breadcrumbs a::after { margin-left: 8px; color: #aebbc3; content: "/"; }

.eco-section { padding: 100px 0; }
.eco-section.is-pale { background: var(--eco-pale); }
.eco-section-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: end; margin-bottom: 46px; }
.eco-section-heading h2 { max-width: 700px; margin: 8px 0 0; color: var(--eco-navy); font-family: var(--eco-display); font-size: 3.35rem; line-height: 1.03; }
.eco-section-heading p { max-width: 560px; margin: 0; color: var(--eco-muted); line-height: 1.75; }
.eco-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--eco-line); border-left: 1px solid var(--eco-line); }
.eco-card { min-height: 260px; padding: 30px; border-right: 1px solid var(--eco-line); border-bottom: 1px solid var(--eco-line); background: #fff; text-decoration: none; }
.eco-card span { color: var(--eco-blue); font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.eco-card h2,.eco-card h3 { margin: 12px 0 10px; color: var(--eco-navy); font-family: var(--eco-display); font-size: 1.75rem; line-height: 1.08; }
.eco-card p { margin: 0; color: var(--eco-muted); font-size: .9rem; line-height: 1.65; }
.eco-card b { display: inline-block; margin-top: 24px; color: var(--eco-blue); font-size: .8rem; }
.eco-card:hover { background: #f7faff; }
.eco-detail-layout { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(320px,.8fr); gap: 70px; align-items: start; }
.eco-detail-copy h2 { margin: 0 0 18px; color: var(--eco-navy); font-family: var(--eco-display); font-size: 3rem; line-height: 1.04; }
.eco-detail-copy p { color: var(--eco-muted); line-height: 1.8; }
.eco-checklist { display: grid; gap: 0; margin: 30px 0; padding: 0; border-top: 1px solid var(--eco-line); list-style: none; }
.eco-checklist li { padding: 15px 0; border-bottom: 1px solid var(--eco-line); font-weight: 700; }
.eco-aside { padding: 30px; border-radius: 10px; background: var(--eco-pale); }
.eco-aside h2 { margin: 0 0 12px; color: var(--eco-navy); font-family: var(--eco-display); font-size: 2rem; }
.eco-aside p { color: var(--eco-muted); line-height: 1.65; }
.eco-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }

.eco-footer { background: var(--eco-navy); color: #fff; }
.eco-footer-proof { display: grid; grid-template-columns: repeat(4,1fr); border-bottom: 1px solid rgba(255,255,255,.13); }
.eco-footer-proof > * { display: grid; min-height: 110px; align-content: center; padding: 20px 28px; border-left: 1px solid rgba(255,255,255,.13); text-decoration: none; }
.eco-footer-proof > :first-child { border-left: 0; }
.eco-footer-proof b { font-size: .82rem; }
.eco-footer-proof small { margin-top: 3px; color: rgba(255,255,255,.5); font-size: .7rem; }
.eco-footer-grid { display: grid; grid-template-columns: 2fr repeat(3,1fr); gap: 50px; padding: 70px 0 60px; }
.eco-footer-brand img { width: 175px; filter: brightness(0) invert(1); }
.eco-footer-brand p { max-width: 430px; color: rgba(255,255,255,.58); font-size: .9rem; line-height: 1.75; }
.eco-footer-brand a { color: rgba(255,255,255,.8); font-size: .82rem; }
.eco-footer-grid nav { display: grid; align-content: start; gap: 10px; }
.eco-footer-grid nav h2 { margin: 0 0 10px; color: #fff; font-size: .73rem; letter-spacing: .1em; text-transform: uppercase; }
.eco-footer-grid nav a { width: fit-content; color: rgba(255,255,255,.58); font-size: .84rem; text-decoration: none; }
.eco-footer-grid nav a:hover { color: #fff; }
.eco-footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.4); font-size: .74rem; }
.eco-footer-bottom nav { display: flex; gap: 20px; }
.eco-footer-bottom a { color: rgba(255,255,255,.55); text-decoration: none; }
.eco-footer-bottom nav button { padding: 0; border: 0; background: transparent; color: rgba(255,255,255,.55); font: inherit; cursor: pointer; }
.eco-footer-bottom nav button:hover { color: #fff; }

@media (max-width: 1080px) {
  .eco-main-links a { padding-inline: 8px; font-size: .78rem; }
  .eco-phone { display: none; }
  .eco-page-hero h1 { font-size: 4.1rem; }
}

@media (max-width: 860px) {
  .eco-nav { min-height: 68px; }
  .eco-menu-toggle { display: grid; grid-template-columns: 20px auto; gap: 4px 8px; align-items: center; margin-left: auto; padding: 8px 10px; border: 1px solid var(--eco-line); border-radius: 6px; background: #fff; color: var(--eco-navy); }
  .eco-menu-toggle span { grid-column: 1; display: block; width: 18px; height: 2px; background: currentColor; }
  .eco-menu-toggle b { grid-column: 2; grid-row: 1 / 4; font-size: .72rem; }
  .eco-menu { position: absolute; top: 100%; right: 0; left: 0; display: none; align-items: stretch; flex-direction: column; padding: 16px var(--eco-gutter) 22px; border-top: 1px solid var(--eco-line); background: #fff; box-shadow: 0 20px 40px rgba(7,29,51,.12); }
  .eco-menu.is-open { display: flex; }
  .eco-main-links { align-items: stretch; flex-direction: column; }
  .eco-main-links > a,.eco-nav-group > summary { justify-content: space-between; width: 100%; min-height: 44px; }
  .eco-nav-group { width: 100%; }
  .eco-nav-dropdown { position: static; grid-template-columns: 1fr; width: 100%; padding: 6px 0 8px 12px; border: 0; border-radius: 0; box-shadow: none; transform: none; }
  .eco-nav-dropdown-head { padding: 14px; }
  .eco-nav-dropdown-links { grid-template-columns: 1fr 1fr; }
  .eco-nav-actions { align-items: stretch; flex-direction: column; }
  .eco-phone { display: grid; }
  .eco-section-heading,.eco-detail-layout { grid-template-columns: 1fr; gap: 28px; }
  .eco-grid { grid-template-columns: repeat(2,1fr); }
  .eco-footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .eco-footer-grid nav:last-child { grid-column: 2; }
}

@media (max-width: 560px) {
  :root { --eco-gutter: 16px; }
  .eco-topbar-inner nav:first-child { display: none; }
  .eco-topbar-inner { justify-content: flex-end; }
  .eco-page-hero { padding: 80px 0 72px; }
  .eco-page-hero h1 { font-size: 3.15rem; }
  .eco-section { padding: 72px 0; }
  .eco-section-heading h2 { font-size: 2.55rem; }
  .eco-grid { grid-template-columns: 1fr; }
  .eco-card { min-height: 220px; }
  .eco-footer-proof { grid-template-columns: repeat(2,1fr); }
  .eco-footer-proof > * { min-height: 90px; padding: 15px; }
  .eco-footer-grid { grid-template-columns: 1fr 1fr; gap: 35px 20px; }
  .eco-footer-brand { grid-column: 1 / -1; }
  .eco-footer-grid nav:last-child { grid-column: auto; }
  .eco-footer-bottom { align-items: flex-start; flex-direction: column; }
}

/* Shared primary navigation used by the homepage and every subpage. */
.eco-with-shared-header { padding-top: 6.95rem; }
.site-header .navbar-nav .nav-link {
  padding-inline: .58rem;
  font-size: .96rem;
}
.site-header .topbar-trigger { text-decoration: none; }
.site-header .topbar-links a {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: inherit;
  font-size: .68rem;
  font-weight: 750;
  text-decoration: none;
}
.site-header .topbar-links .topbar-report { color: var(--eco-blue); }
.site-header .mega-problems b,
.site-header .city-grid b,
.site-header .company-links b { font-size: .84rem; }
.site-header .mega-problems span,
.site-header .city-grid span,
.site-header .company-links span {
  font-size: .7rem;
  line-height: 1.45;
}

@media (max-width: 991.98px) {
  .eco-with-shared-header { padding-top: 6.4rem; }
  .site-header .navbar-nav .nav-link { font-size: .92rem; }
}
