:root {
  --bg: #ffffff;
  --text: #0b1116;
  --muted: #54616a;
  --primary: #0F766E; /* teal */
  --primary-600: #0ea5a6;
  --border: #e6eaee;
  --shadow: 0 8px 24px rgba(15, 118, 110, 0.12);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(1.5) blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--primary);
  color: #fff; display: grid; place-items: center;
  font-weight: 700;
}
.logo-text { color: var(--text); font-weight: 600; }
.site-header nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 20px;
  padding: 8px 10px;
  border-radius: 8px;
}
.site-header nav a:hover { background: #f4f7f9; }

/* Buttons */
.button {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: var(--shadow);
}
.button.small { padding: 8px 12px; }
.button:hover { background: var(--primary-600); }
.link { color: var(--primary); text-decoration: none; font-weight: 600; margin-left: 12px; }

/* Hero */
.hero { padding: 64px 0 32px; }
.hero-inner { display: grid; grid-template-columns: 1.25fr 1fr; gap: 32px; align-items: center; }
.hero h1 { font-size: 40px; line-height: 1.1; margin: 0 0 12px; }
.hero p { color: var(--muted); }
.hero-cta { margin-top: 16px; }
.trust { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.badge { background: #f4f7f9; color: #334; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border); }
.hero-art { padding: 20px; }
.art-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; height: 160px; }
.art-block { border-radius: 12px; background: linear-gradient(135deg, #f4f7f9, #e9eff5); border: 1px solid var(--border); }
.art-caption { color: var(--muted); margin-top: 12px; font-size: 14px; }

/* Sections */
section { padding: 48px 0; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.shadow { box-shadow: var(--shadow); }
.checklist { list-style: none; padding-left: 0; }
.checklist li { position: relative; padding-left: 26px; margin: 8px 0; }
.checklist li::before { content: '✔'; color: var(--primary); position: absolute; left: 0; }

.features .feature { text-align: center; }
.features .icon { width: 56px; height: 56px; border-radius: 14px; background: #f4f7f9; border: 1px solid var(--border); margin: 0 auto 10px; }

.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--primary); color: #fff; font-weight: 700; margin-bottom: 10px; }

.testimonials blockquote { margin: 0; }
.testimonials cite { display: block; color: var(--muted); margin-top: 8px; }

.contact .contact-list { list-style: none; padding-left: 0; }
.contact .contact-list li { margin: 8px 0; }
.note { color: var(--muted); font-size: 14px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 24px 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; align-items: center; }
.footer-links a { display: inline-block; margin-right: 12px; text-decoration: none; color: var(--primary); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Scroll to top */
.scroll-top {
  position: fixed; right: 18px; bottom: 18px;
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--primary); color: #fff; display: grid; place-items: center;
  box-shadow: var(--shadow); cursor: pointer; opacity: 0; pointer-events: none;
  transition: opacity 250ms ease;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner, .cols, .grid-3, .timeline, .footer-inner { grid-template-columns: 1fr; }
  .nav { height: auto; padding: 14px 0; flex-wrap: wrap; gap: 12px; }
}