:root {
  --bg: #f4f6f2;
  --surface: #ffffff;
  --text: #122019;
  --muted: #5e6d66;
  --brand: #0f5d3a;
  --brand-dark: #0a442a;
  --line: rgba(18, 32, 25, 0.1);
  --shadow: 0 28px 60px rgba(18, 32, 25, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.site-body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(45, 122, 255, 0.08), transparent 22%),
    linear-gradient(180deg, #fbfcfa 0%, #eef2ed 100%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100vw - 32px)); margin: 0 auto; }
.narrow { width: min(780px, calc(100vw - 32px)); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 16px 0;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.74);
  border-bottom: 1px solid rgba(18, 32, 25, 0.05);
}

.brand-link { font-weight: 800; letter-spacing: 0.06em; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(180deg, var(--brand), var(--brand-dark)); box-shadow: 0 18px 30px rgba(15, 93, 58, .25); }
.btn-secondary { background: rgba(255,255,255,.75); border: 1px solid var(--line); }

.hero-section { padding: 72px 0 48px; }
.hero-card, .visual-card, .service-card, .calculator-card, .lead-card, .content-card, .map-card, .admin-panel {
  border: 1px solid rgba(255, 255, 255, .55);
  background: rgba(255, 255, 255, .7);
  backdrop-filter: blur(20px);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card { padding: 36px; }
.hero-card h1, .inner-page h1 { font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: .96; letter-spacing: -.04em; margin: 0 0 16px; }
.hero-copy, .lead, .site-footer p, .service-card p, .content-card p, .field span, .form-message { color: var(--muted); line-height: 1.7; }
.eyebrow { margin: 0 0 12px; color: var(--brand); text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; font-weight: 700; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 28px; }
.hero-stats strong { display: block; font-size: 1.4rem; }
.hero-stats span { color: var(--muted); font-size: .9rem; }

.visual-card { padding: 18px; min-height: 520px; }
.visual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; height: 100%; }
.visual-pane { border-radius: 24px; min-height: 480px; }
.grass-pane {
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.35), transparent 16%),
    linear-gradient(180deg, #58a534 0%, #155124 100%);
}
.diagram-pane { background: linear-gradient(180deg, #ffffff 0 45%, #d4ba98 45% 60%, #9b7c5d 60% 100%); position: relative; }
.diagram-box { position: absolute; inset: 12% 10%; border-radius: 28px; background: rgba(255,255,255,.38); }
.pipe, .sprinkler { position: absolute; display: block; }
.pipe { background: linear-gradient(180deg, #798992, #b9c4ca); border-radius: 999px; }
.pipe-x { left: 16%; right: 16%; top: 64%; height: 16px; }
.pipe-y { top: 28%; bottom: 30%; left: calc(50% - 8px); width: 16px; }
.sprinkler { width: 26px; height: 90px; top: 18%; background: linear-gradient(180deg, #8696a0, #4a5860); border-radius: 16px; }
.sprinkler-a { left: 18%; }
.sprinkler-b { left: calc(50% - 13px); }
.sprinkler-c { right: 18%; }

.section { padding: 64px 0; }
.section-soft { background: rgba(15, 93, 58, 0.04); }
.section-heading { margin-bottom: 28px; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 3vw, 3rem); line-height: 1; letter-spacing: -.04em; }
.service-grid, .portfolio-grid, .admin-metrics, .admin-grid { display: grid; gap: 18px; }
.service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service-card { padding: 24px; }
.service-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 20px; font-weight: 700; }

.field { display: grid; gap: 8px; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.92);
}
.calculator-card, .lead-card, .content-card { padding: 26px; }
.lead-card { display: grid; gap: 14px; }
.calc-result { display: grid; gap: 14px; margin-top: 18px; }
.calc-result strong { display: block; font-size: 1.6rem; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; color: var(--muted); }
.form-message { min-height: 24px; margin: 0; }

.portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.portfolio-card { position: relative; overflow: hidden; min-height: 320px; border-radius: 24px; box-shadow: var(--shadow); }
.portfolio-card img { width: 100%; height: 100%; object-fit: cover; }
.portfolio-overlay {
  position: absolute;
  inset: auto 0 0;
  padding: 20px;
  color: #fff;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.72));
}

.inner-page { min-height: 70vh; }
.list { padding-left: 18px; color: var(--muted); line-height: 1.8; }
.map-card iframe { width: 100%; min-height: 420px; border: 0; border-radius: 28px; }

.site-footer { padding: 48px 0; color: #dce8e2; background: linear-gradient(180deg, #17201d, #0b0f0d); }
.footer-title { font-size: 1rem; margin-bottom: 12px; }

.admin-login { min-height: 80vh; display: grid; place-items: center; padding: 40px 16px; background: #0a0c0f; }
.admin-login-card {
  width: min(420px, 100%);
  padding: 28px;
  border-radius: 24px;
  background: rgba(19, 24, 31, .92);
  color: #fff;
}
.error-box, .success-box { padding: 12px 14px; border-radius: 12px; margin-bottom: 16px; }
.error-box { background: rgba(239, 68, 68, .12); color: #fecaca; }
.success-box { background: rgba(16, 185, 129, .12); color: #a7f3d0; }

.admin-shell { min-height: calc(100vh - 90px); display: grid; grid-template-columns: 260px 1fr; background: #0a0c0f; color: #eef4ff; }
.admin-sidebar { padding: 28px; background: #11161f; }
.admin-sidebar nav { display: grid; gap: 10px; margin-top: 20px; }
.admin-sidebar a { color: #c6d1e2; }
.admin-content { padding: 28px; background: linear-gradient(180deg, #0b1017, #0d121a); display: grid; gap: 18px; }
.admin-metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 18px; }
.admin-metrics article, .admin-panel {
  padding: 20px;
  background: rgba(17, 23, 31, .78);
  color: #eef4ff;
  border: 1px solid rgba(255,255,255,.06);
}
.admin-metrics strong { display: block; margin-top: 10px; font-size: 1.8rem; }
.admin-grid { grid-template-columns: 1.2fr .8fr; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.08); text-align: left; }
.admin-list { display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
.admin-list li { padding: 14px; border-radius: 16px; background: rgba(255,255,255,.04); }

@media (max-width: 960px) {
  .visual-grid, .service-grid, .portfolio-grid, .admin-grid, .admin-metrics, .admin-shell { grid-template-columns: 1fr; }
  .admin-shell { display: block; }
}