:root {
  --ink: #172326;
  --muted: #5b686d;
  --deep: #153f44;
  --deep-2: #1f5960;
  --line: #dfe7e4;
  --soft: #f4f8f6;
  --white: #ffffff;
  --accent: #b86f55;
  --shadow: 0 18px 48px rgba(21, 63, 68, .11);
  --radius: 8px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--deep); text-decoration: none; }
a:hover { color: var(--accent); }

h1, h2, h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.45rem, 6vw, 5rem);
  font-weight: 500;
}

h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 3.4vw, 3rem);
  font-weight: 500;
}

h3 { font-size: 1.06rem; font-weight: 750; }
p { margin: 0; color: var(--muted); }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--deep);
}

.brand span { color: var(--accent); }
.links { display: flex; align-items: center; gap: 22px; }

.links a {
  color: var(--muted);
  font-size: .93rem;
  font-weight: 700;
}

.button,
button.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius);
  padding: 12px 18px;
  background: var(--deep);
  color: var(--white);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button:hover { color: var(--white); background: var(--deep-2); }
.button.secondary { background: var(--white); color: var(--deep); border: 1px solid var(--line); }
.button.secondary:hover { color: var(--accent); }

.hero {
  padding: 74px 0 56px;
  background:
    linear-gradient(120deg, rgba(238, 246, 243, .9), rgba(255, 255, 255, 0) 62%),
    var(--white);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, .72fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.lead { max-width: 760px; margin-top: 22px; font-size: 1.18rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.panel,
.card,
.price {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.panel { padding: 26px; box-shadow: var(--shadow); }
.panel-title { margin-bottom: 14px; font-size: 1.15rem; }

.checklist,
.plain-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding-left: 25px;
  color: var(--muted);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent);
}

.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--soft); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; }
.trust-item { padding: 22px 18px; background: var(--soft); }
.trust-item strong { display: block; margin-bottom: 4px; color: var(--deep); }
.trust-item span { color: var(--muted); font-size: .92rem; }

.section { padding: 72px 0; }
.section.alt { background: var(--soft); }
.section-head { max-width: 760px; margin-bottom: 30px; }
.section-head p { margin-top: 14px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { padding: 24px; }
.card h3 { margin-bottom: 10px; }
.card p + p { margin-top: 12px; }

.price { position: relative; padding: 26px; }
.price.featured { border-color: rgba(184, 111, 85, .5); box-shadow: var(--shadow); }
.price-name { color: var(--deep); font-weight: 850; }
.price-amount { margin: 12px 0 8px; color: var(--ink); font-size: 2.4rem; font-weight: 850; letter-spacing: 0; }
.price small { color: var(--muted); }
.price ul { margin-top: 20px; }
.price .button { width: 100%; margin-top: 22px; }

.note {
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: #fff8f4;
  color: var(--muted);
}

.content { max-width: 820px; padding: 62px 0; }
.content h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
.content h2 { margin-top: 44px; font-size: clamp(1.55rem, 2.6vw, 2.25rem); }
.content h3 { margin-top: 28px; }
.content p, .content ul, .content ol { margin-top: 16px; color: var(--muted); }
.content li + li { margin-top: 8px; }
.content .note { margin-top: 26px; }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 18px;
  color: var(--muted);
  font-size: .9rem;
}

.cta-band {
  padding: 42px;
  border-radius: var(--radius);
  background: var(--deep);
  color: var(--white);
}

.cta-band h2 { color: var(--white); }
.cta-band p { margin-top: 12px; color: rgba(255, 255, 255, .78); }
.cta-band .actions { margin-top: 24px; }
.cta-band .button { background: var(--accent); }

.footer {
  padding: 38px 0;
  background: #101719;
  color: rgba(255,255,255,.68);
  font-size: .9rem;
}

.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; }
.footer a { color: rgba(255,255,255,.78); }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 18px; }

.calc-box {
  margin-top: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
}

.calc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

label { display: grid; gap: 6px; color: var(--ink); font-weight: 750; font-size: .92rem; }
input, select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
}

.result { margin-top: 18px; padding: 20px; border-radius: var(--radius); background: var(--deep); color: var(--white); }
.result strong { display: block; font-size: 1.85rem; }
.result span { color: rgba(255,255,255,.78); }

@media (max-width: 880px) {
  .hero-grid, .grid-3, .grid-2, .trust-grid, .calc-grid, .footer-grid { grid-template-columns: 1fr; }
  .links a:not(.nav-cta) { display: none; }
  .hero { padding-top: 48px; }
  .section { padding: 54px 0; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .wrap { width: min(var(--max), calc(100% - 28px)); }
  .nav { height: 66px; }
  .brand { font-size: 1.45rem; }
  .button { width: 100%; }
  .panel, .card, .price, .cta-band { padding: 20px; }
}
