:root {
  --green-900: #174d31;
  --green-800: #1f6f43;
  --green-700: #2f8a57;
  --green-100: #eaf6eb;
  --green-050: #f5fbf6;
  --text: #15231a;
  --muted: #516158;
  --border: #d8e5d9;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(15, 37, 22, 0.10);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.topbar {
  background: var(--green-900);
  color: #f6fff8;
  font-size: 0.95rem;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
}
.topbar a { font-weight: 700; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(216,229,217,0.8);
}
.nav {
  min-height: 78px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand strong { display: block; font-size: 1rem; }
.brand span { display: block; color: var(--muted); font-size: 0.9rem; }
.brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  flex: 0 0 auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-weight: 600;
}
.desktop-nav a:not(.btn) { color: #32463a; }
.menu-toggle, .mobile-menu { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.2s ease;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green-800); color: var(--white); box-shadow: var(--shadow); }
.btn-secondary, .btn-outline { border-color: var(--border); background: var(--white); }
.btn.small { padding: 11px 16px; font-size: 0.95rem; }
.btn.full { width: 100%; }

.hero {
  padding: 72px 0 48px;
  background:
    radial-gradient(circle at top left, rgba(47,138,87,0.12), transparent 32%),
    linear-gradient(180deg, var(--green-050), #fff 72%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 40px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-900);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.hero h1, .section-heading h2 {
  margin: 0 0 16px;
  font-size: clamp(2.2rem, 4vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.hero p, .section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 22px;
}
.hero-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.hero-points li::before,
.check-item::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-800);
  font-weight: 800;
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 20px;
  box-shadow: var(--shadow);
}
.hero-visual {
  position: relative;
  min-height: 360px;
  border-radius: 26px;
  overflow: hidden;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  display: block;
}
.pill {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--green-100);
  font-size: 0.9rem;
  font-weight: 700;
}

.stats {
  padding: 10px 0 24px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stats-grid > div {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
}
.stats-grid strong {
  display: block;
  font-size: 1.45rem;
  margin-bottom: 6px;
}
.stats-grid span { color: var(--muted); }

.section { padding: 84px 0; }
.section.alt { background: var(--green-050); }
.section-heading { max-width: 720px; margin-bottom: 34px; }
.section-heading.center { text-align: center; margin-inline: auto; margin-bottom: 40px; }
.section-heading h2 { font-size: clamp(1.9rem, 3.2vw, 3rem); }
.section-title-large { font-size: clamp(2.2rem, 4vw, 3.5rem); font-weight: 800; text-transform: uppercase; letter-spacing: 0.02em; margin: 0 0 12px; color: var(--green-900); }
.section-subtitle { font-size: 1.25rem; color: var(--muted); margin: 0; }

.split-grid, .services-grid, .faq-grid {
  display: grid;
  gap: 22px;
}
.split-grid { grid-template-columns: repeat(2, 1fr); }
.split-card, .service-card, .testimonial-card, .quote-form, .faq-grid details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.split-card {
  padding: 28px;
}
.split-card h3, .service-card h3, .testimonial-card h3 { margin-top: 16px; margin-bottom: 12px; font-size: 1.4rem; }
.split-card p, .service-card p, .testimonial-card li { color: var(--muted); }
.split-card ul, .testimonial-card ul { padding-left: 18px; margin: 0 0 20px; }
.text-link { font-weight: 700; color: var(--green-800); }
.residential { background: linear-gradient(180deg, #fff, #f8fcf8); }
.commercial { background: linear-gradient(180deg, #fff, #f6faf8); }

.services-grid { grid-template-columns: repeat(3, 1fr); }
.service-card { padding: 24px; }
.service-card.featured {
  background: linear-gradient(180deg, #1f6f43, #174d31);
  color: white;
}
.service-card.featured p { color: rgba(255,255,255,0.86); }

.why-grid, .quote-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: start;
}
.check-grid { display: grid; gap: 14px; }
.check-item {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  background: #fff;
}
.testimonial-card { padding: 26px; }

.faq-grid { grid-template-columns: repeat(2, 1fr); }
details { padding: 20px 22px; }
summary { cursor: pointer; font-weight: 700; }
details p { color: var(--muted); margin: 12px 0 0; }

.quote-section { background: linear-gradient(180deg, #ffffff, #f7fcf7); }
.contact-block {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.contact-block a { font-weight: 700; color: var(--green-800); }
.quote-form { padding: 24px; }
.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 14px;
}
input, select, textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid #cfe1d3;
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
textarea { resize: vertical; }
.hidden { display: none; }

.site-footer {
  background: #102c1b;
  color: #eef8f0;
  padding: 34px 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 18px;
}
.footer-grid p, .footer-grid a { color: rgba(238,248,240,0.82); }
.footer-label {
  display: block;
  margin-bottom: 10px;
  color: #fff;
  font-weight: 700;
}

@media (max-width: 960px) {
  .hero-grid, .split-grid, .services-grid, .why-grid, .quote-grid, .faq-grid, .stats-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .desktop-nav { display: none; }
  .menu-toggle {
    display: inline-flex;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 999px;
    padding: 10px 14px;
    font: inherit;
    font-weight: 700;
  }
  .mobile-menu {
    display: none;
    padding: 0 16px 16px;
    border-bottom: 1px solid var(--border);
    background: #fff;
  }
  .mobile-menu.open { display: grid; gap: 12px; }
  .hero { padding-top: 42px; }
  .hero-visual { min-height: 290px; }
}

@media (max-width: 640px) {
  .topbar-inner { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.2rem; }
  .section { padding: 64px 0; }
}
