:root {
  --bg: #f6f7f3;
  --surface: #ffffff;
  --text: #172026;
  --muted: #5b6b75;
  --line: #d8e0e5;
  --brand: #0f5f52;
  --brand-strong: #0a4b41;
  --accent: #c0841a;
  --shadow: 0 12px 30px rgba(13, 37, 33, 0.08);
  --radius: 16px;
  --max: 1140px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 10%, rgba(15, 95, 82, 0.08), transparent 35%),
    radial-gradient(circle at 10% 85%, rgba(192, 132, 26, 0.1), transparent 35%),
    var(--bg);
  line-height: 1.6;
}

a {
  color: var(--brand);
}

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
  background: rgba(246, 247, 243, 0.9);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.2px;
}

.main-nav {
  display: flex;
  gap: 1rem;
}

.main-nav a {
  text-decoration: none;
  font-weight: 600;
  color: var(--muted);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--brand);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.78rem 1.2rem;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.1px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(10, 75, 65, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--brand);
  border-color: var(--brand);
}

.btn-sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.9rem;
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0 0 0.7rem;
}

h1 {
  font-size: clamp(1.9rem, 3.2vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
}

.hero-cta,
.split-cta,
.faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.2rem 0;
}

.trust-points {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.hero-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-media figcaption {
  padding: 0.8rem 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.cards,
.split,
.faq,
.page-content {
  padding: 2.4rem 0;
}

.section-intro {
  color: var(--muted);
  max-width: 760px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card,
.split-box,
.page-panel,
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.card-link {
  text-decoration: none;
  font-weight: 700;
}

.split-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  align-items: start;
}

.faq-list,
.page-grid {
  display: grid;
  gap: 1rem;
}

.page-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 2rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: var(--muted);
}

.page-hero {
  padding: 3rem 0 1.5rem;
}

.breadcrumbs {
  margin: 0 0 0.8rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.checklist,
.clean-list {
  margin: 0;
  padding-left: 1.1rem;
}

.notice {
  border-left: 4px solid var(--accent);
  background: #fff8ea;
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
}

@media (max-width: 960px) {
  .hero-grid,
  .split-grid,
  .page-grid.two,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    display: none;
  }
}