:root {
  --ink: #0a1f14;
  --ink-soft: #143528;
  --signal: #22c55e;
  --signal-dark: #16a34a;
  --gold: #84cc16;
  --gold-dark: #65a30d;
  --accent: #0ea5e9;
  --steel: #5f6f83;
  --mist: #f0fdf4;
  --line: #d1e7dd;
}

body {
  color: var(--ink);
  font-family: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  padding-bottom: 4rem;
}

a {
  text-decoration: none;
}

.bg-ink {
  background: linear-gradient(180deg, #0d2818 0%, var(--ink) 100%);
}

.navbar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.85rem 0;
}

.navbar-brand {
  align-items: center;
  display: flex;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.navbar-brand .brand-dot {
  color: var(--signal);
}

.navbar-brand:hover {
  color: #fff;
}

.navbar .nav-link {
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.95rem;
  margin-left: 0.75rem;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-link.active {
  color: #fff;
}

.nav-link-main {
  color: var(--gold) !important;
  font-weight: 600;
}

.btn-signal {
  --bs-btn-bg: var(--signal);
  --bs-btn-border-color: var(--signal);
  --bs-btn-color: #04100b;
  --bs-btn-hover-bg: var(--signal-dark);
  --bs-btn-hover-border-color: var(--signal-dark);
  --bs-btn-hover-color: #fff;
  font-weight: 700;
}

.btn-gold {
  --bs-btn-bg: var(--gold);
  --bs-btn-border-color: var(--gold);
  --bs-btn-color: #1a2e05;
  --bs-btn-hover-bg: var(--gold-dark);
  --bs-btn-hover-border-color: var(--gold-dark);
  --bs-btn-hover-color: #fff;
  font-weight: 700;
}

.eyebrow {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.text-signal {
  color: var(--signal-dark);
}

.masthead {
  background:
    radial-gradient(circle at 85% 15%, rgba(34, 197, 94, 0.15), transparent 45%),
    radial-gradient(circle at 10% 85%, rgba(132, 204, 22, 0.12), transparent 40%),
    linear-gradient(135deg, #0d2818 0%, var(--ink) 55%, #0a1f14 100%);
  padding: 8rem 0 5rem;
}

.min-vh-hero {
  min-height: 640px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.hero-stat strong {
  color: var(--signal);
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
}

.hero-stat span {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.85rem;
}

.sanitation-console {
  backdrop-filter: blur(8px);
  background: rgba(10, 31, 20, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.5rem;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
  color: #fff;
  padding: 1.5rem;
}

.console-header {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
}

.console-header strong {
  color: var(--signal);
  font-size: 0.85rem;
}

.console-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.console-grid div {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.35rem;
  padding: 1rem;
  transition: border-color 0.2s ease;
}

.console-grid div:hover {
  border-color: rgba(132, 204, 22, 0.45);
}

.console-grid small {
  color: rgba(255, 255, 255, 0.62);
  display: block;
  margin-bottom: 0.35rem;
}

.console-grid strong {
  color: var(--signal);
  font-size: 1.65rem;
  letter-spacing: 0.04em;
}

.console-route {
  display: grid;
  gap: 0.4rem;
  grid-template-columns: repeat(4, 1fr);
  margin: 1.25rem 0;
}

.console-route span {
  background: linear-gradient(90deg, var(--signal), var(--gold));
  border-radius: 2px;
  display: block;
  height: 4px;
}

.features-icons {
  padding-bottom: 5rem;
  padding-top: 5rem;
}

.features-icons .features-icons-item {
  max-width: 22rem;
}

.features-icons .features-icons-icon {
  color: var(--signal-dark);
  font-size: 4rem;
  height: 6rem;
}

.features-icons h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.features-icons .lead {
  color: var(--steel);
  font-size: 1rem;
}

.showcase .showcase-text {
  padding: 4rem;
}

.showcase .showcase-img {
  background-position: center;
  background-size: cover;
  min-height: 28rem;
}

.showcase-gps {
  background-image:
    linear-gradient(rgba(10, 31, 20, 0.16), rgba(10, 31, 20, 0.16)),
    url("https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1200&q=80");
}

.showcase-dispatch {
  background-image:
    linear-gradient(rgba(10, 31, 20, 0.12), rgba(10, 31, 20, 0.12)),
    url("https://images.unsplash.com/photo-1449824913935-59a10b8d2000?auto=format&fit=crop&w=1200&q=80");
}

.product-section,
.process-section {
  padding: 5rem 0;
}

.service-card,
.step-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  box-shadow: 0 8px 24px rgba(10, 31, 20, 0.04);
  padding: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover,
.step-card:hover {
  box-shadow: 0 16px 32px rgba(10, 31, 20, 0.08);
  transform: translateY(-3px);
}

.service-card {
  border-top: 4px solid var(--signal);
}

.service-card i {
  color: var(--signal-dark);
  font-size: 2.4rem;
}

.service-card h3,
.step-card h3 {
  font-size: 1.2rem;
  margin: 1rem 0 0.75rem;
}

.service-card p,
.step-card p {
  color: var(--steel);
  margin-bottom: 0;
}

.solution-links {
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.solution-links h3 {
  font-size: 1.25rem;
}

.seo-link-card {
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  color: var(--ink);
  display: block;
  height: 100%;
  padding: 1.25rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.seo-link-card:hover {
  border-color: var(--signal-dark);
  box-shadow: 0 12px 24px rgba(10, 31, 20, 0.06);
  color: var(--ink);
}

.seo-link-card strong,
.seo-link-card span {
  display: block;
}

.seo-link-card span {
  color: var(--steel);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

.step-card span {
  color: var(--signal-dark);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.call-to-action {
  background:
    linear-gradient(110deg, rgba(10, 31, 20, 0.94), rgba(20, 53, 40, 0.9)),
    url("https://images.unsplash.com/photo-1441974231531-c6227db76b6e?auto=format&fit=crop&w=1800&q=80");
  background-position: center;
  background-size: cover;
  padding: 5.5rem 0;
}

.lead-form {
  backdrop-filter: blur(6px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.lead-form .form-label {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.92rem;
}

.footer {
  padding: 2.5rem 0 2rem;
}

.footer a:hover {
  color: #fff !important;
}

.footer-contact li {
  margin-bottom: 0.35rem;
}

.footer-divider {
  border-color: rgba(255, 255, 255, 0.12);
  margin: 1.5rem 0;
}

.page-hero {
  background:
    linear-gradient(115deg, rgba(10, 31, 20, 0.94), rgba(20, 53, 40, 0.88)),
    url("https://images.unsplash.com/photo-1449824913935-59a10b8d2000?auto=format&fit=crop&w=1800&q=80");
  background-position: center;
  background-size: cover;
  color: #fff;
  margin-top: 56px;
  padding: 4.5rem 0 3.5rem;
}

.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-hero .lead {
  color: rgba(255, 255, 255, 0.82);
  max-width: 42rem;
}

.breadcrumb-nav {
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.72);
}

.breadcrumb-nav a:hover {
  color: var(--gold);
}

.breadcrumb-nav span {
  color: rgba(255, 255, 255, 0.45);
  margin: 0 0.4rem;
}

.subpage-content {
  padding: 4rem 0 5rem;
}

.content-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  box-shadow: 0 8px 24px rgba(10, 31, 20, 0.04);
  margin-bottom: 1.5rem;
  padding: 2rem;
}

.content-card h2 {
  border-left: 4px solid var(--signal);
  font-size: 1.35rem;
  margin-bottom: 1rem;
  padding-left: 0.85rem;
}

.content-card ul {
  color: var(--steel);
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.content-card li {
  margin-bottom: 0.5rem;
}

.feature-pill {
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  margin: 0 0.5rem 0.5rem 0;
  padding: 0.4rem 0.9rem;
}

.sidebar-card {
  background: var(--ink-soft);
  border-radius: 0.5rem;
  color: #fff;
  padding: 1.75rem;
  position: sticky;
  top: 5.5rem;
}

.sidebar-card h3 {
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.sidebar-card a {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.85);
  display: block;
  padding: 0.65rem 0;
}

.sidebar-card a:last-child {
  border-bottom: 0;
}

.sidebar-card a:hover {
  color: var(--gold);
}

.subpage-cta {
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
  border-radius: 0.5rem;
  color: #fff;
  margin-top: 1rem;
  padding: 2rem;
}

.subpage-cta p {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 1.25rem;
}

.sticky-lead-bar {
  background: linear-gradient(90deg, var(--ink) 0%, var(--ink-soft) 100%);
  border-top: 2px solid var(--signal);
  bottom: 0;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.25);
  left: 0;
  position: fixed;
  right: 0;
  z-index: 1050;
}

.sticky-lead-inner {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1140px;
  padding: 0.65rem 1rem;
}

.sticky-lead-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-weight: 600;
}

.sticky-lead-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sticky-lead-phone {
  color: var(--gold);
  font-weight: 700;
}

.sticky-lead-btn {
  background: var(--signal);
  border-radius: 0.35rem;
  color: #04100b;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.45rem 1rem;
}

.sticky-lead-btn:hover {
  background: var(--signal-dark);
  color: #fff;
}

.mini-lead-form .form-control {
  font-size: 0.9rem;
}

.keyword-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.keyword-tags a {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2rem;
  color: var(--ink);
  font-size: 0.82rem;
  padding: 0.35rem 0.85rem;
}

.keyword-tags a:hover {
  border-color: var(--signal);
  color: var(--signal-dark);
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.faq-item p {
  color: var(--steel);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.pain-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.pain-card {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 0.35rem;
  padding: 1.25rem;
}

.pain-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.pain-card p {
  color: var(--steel);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.lead-step .is-invalid {
  border-color: #ef4444;
}

.lead-preview {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 0.35rem;
  padding: 0.65rem 0.85rem;
}

@media (max-width: 991.98px) {
  .min-vh-hero {
    min-height: auto;
  }

  .masthead {
    padding-top: 7rem;
  }

  .showcase .showcase-text {
    padding: 3rem 1.5rem;
  }

  .sidebar-card {
    margin-top: 2rem;
    position: static;
  }
}