:root {
  --ink: #18222f;
  --muted: #657282;
  --brand: #2d7a53;
  --brand-dark: #205c3d;
  --accent: #ee725c;
  --soft: #eff8f2;
  --line: #dfe6e8;
  --content: 760px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font: 17px/1.68 Arial, Helvetica, sans-serif; }
a { color: var(--brand-dark); }
img { display: block; width: 100%; height: auto; border-radius: 4px; }
.advertorial { height: 22px; display: grid; place-items: center; color: #d9d9d9; background: #111; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.site-header { max-width: var(--content); margin: auto; padding: 18px 0 12px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; line-height: .95; }
.brand-mark { position: relative; width: 42px; height: 42px; display: block; background: var(--brand); border-radius: 50% 8px 50% 50%; transform: rotate(-45deg); }
.brand-mark::after { content: ""; position: absolute; left: 19px; top: 8px; width: 3px; height: 28px; background: #fff; border-radius: 3px; transform: rotate(45deg); }
.brand-mark i { position: absolute; right: -4px; bottom: -3px; width: 15px; height: 15px; background: var(--accent); border: 3px solid #fff; border-radius: 50%; }
.brand b { display: block; font-size: 21px; letter-spacing: .02em; }
.brand small { display: block; margin-top: 6px; color: var(--brand); font-size: 14px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.article { max-width: var(--content); margin: 0 auto; padding: 24px 0 44px; }
.eyebrow { margin: 0 0 5px; color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0 0 22px; font-size: clamp(34px, 5vw, 52px); line-height: 1.08; letter-spacing: -.035em; }
h2 { margin: 54px 0 18px; font-size: clamp(27px, 4vw, 35px); line-height: 1.2; letter-spacing: -.02em; }
p { margin: 20px 0; }
li { margin: 8px 0; }
.hero { margin-bottom: 18px; }
.lead { padding: 22px 24px; background: #fff8da; border-left: 5px solid var(--accent); border-radius: 3px; font-size: 18px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.feature-grid > div { display: flex; gap: 12px; padding: 16px; background: var(--soft); border: 1px solid #d8eeec; border-radius: 8px; }
.feature-grid span { color: var(--brand); font-size: 22px; font-weight: 900; }
.feature-grid p { margin: 0; font-size: 15px; line-height: 1.45; }
.cta { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 30px 0; padding: 17px 22px; color: #fff; background: var(--brand); border-radius: 6px; box-shadow: 0 5px 0 var(--brand-dark); text-align: center; text-decoration: none; font-size: 20px; font-weight: 800; transition: transform .15s, background .15s; }
.cta:hover { background: var(--brand-dark); transform: translateY(-2px); }
.cta span { font-size: 26px; }
.reviews { margin-top: 50px; }
.review { margin: 28px 0 42px; padding-bottom: 34px; border-bottom: 1px solid var(--line); }
blockquote { margin: 18px 0 0; color: #2f3e4d; font-size: 18px; font-style: italic; }
.stars { color: #f1a522; letter-spacing: .08em; }
.offer-box { margin: 56px 0 42px; padding: 30px; background: var(--soft); border: 2px solid var(--brand); border-radius: 12px; text-align: center; }
.offer-box h2 { margin: 5px 0 10px; }
.offer-label { margin: 0; color: var(--brand); font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.offer-box .cta { margin-bottom: 4px; }
footer { padding: 34px max(20px, calc((100% - var(--content)) / 2)); color: #d7dfe3; background: #17232b; font-size: 13px; line-height: 1.55; }
footer nav { display: flex; flex-wrap: wrap; gap: 10px 22px; padding-bottom: 22px; border-bottom: 1px solid #3a464d; }
footer a { color: #fff; }
.legal { margin-top: 24px; }

@media (max-width: 820px) {
  .site-header, .article { width: auto; margin-inline: 18px; }
  .article { padding-top: 18px; }
  h1 { font-size: 36px; }
  .feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .site-header, .article { margin-inline: 14px; }
  .brand-mark { width: 35px; height: 35px; }
  h1 { font-size: 31px; }
  h2 { margin-top: 42px; font-size: 26px; }
  .lead { padding: 17px; font-size: 16px; }
  .cta { font-size: 17px; }
  .offer-box { padding: 21px 16px; }
}