:root {
  --navy: #071a3a;
  --blue: #0c5dd8;
  --red: #e31c32;
  --gold: #f4c95d;
  --ink: #172033;
  --muted: #657083;
  --paper: #ffffff;
  --line: #dfe5ee;
  --soft: #f4f7fb;
  --success: #087a46;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #eef2f7;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.62;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.topline {
  padding: 6px 18px;
  color: #c6d5ed;
  background: #031126;
  font-size: 12px;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  color: #fff;
  background: var(--navy);
  box-shadow: 0 5px 20px rgba(0,0,0,.14);
}
.header-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: 70px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 30px;
}
.brand {
  margin-right: auto;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.03em;
  text-decoration: none;
}
.brand span { color: #54a1ff; }
.header-inner nav { display: flex; gap: 24px; }
.header-inner nav a {
  color: #dce8fa;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.header-inner nav a:hover { color: #fff; }
.header-cta,
.inline-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  color: #fff;
  background: var(--red);
  border-radius: 5px;
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
}
.page-shell {
  width: min(900px, calc(100% - 32px));
  margin: 34px auto 50px;
}
.article-card {
  padding: clamp(24px, 5vw, 60px);
  background: var(--paper);
  box-shadow: 0 12px 40px rgba(9,30,66,.1);
}
.article-category {
  display: inline-flex;
  padding: 5px 11px;
  color: #fff;
  background: var(--blue);
  border-radius: 3px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1 {
  max-width: 780px;
  margin: 18px 0 14px;
  color: #10192b;
  font-size: clamp(31px, 5.8vw, 52px);
  line-height: 1.08;
  letter-spacing: -.035em;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-bottom: 22px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.article-content { padding-top: 26px; }
.article-content > p,
.article-content > h2,
.article-content > blockquote,
.article-content > section,
.article-content > div { margin-left: auto; margin-right: auto; max-width: 740px; }
.article-content > img { width: 100%; margin: 26px auto; border-radius: 6px; }
.article-content > .hero-image { margin-top: 0; }
.article-content h2 {
  margin-top: 34px;
  margin-bottom: 12px;
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.18;
  letter-spacing: -.025em;
}
.lead { font-size: 21px; line-height: 1.52; font-weight: 700; }
.symptoms-card {
  margin-top: 32px;
  margin-bottom: 32px;
  padding: 26px 28px;
  background: #fff6f0;
  border: 1px solid #ffd5c4;
  border-left: 5px solid var(--red);
}
.symptoms-card h2 { margin-top: 7px; }
.section-label,
.eyebrow {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.symptoms-card ul { margin: 14px 0 0; padding-left: 24px; }
.symptoms-card li { margin: 8px 0; }
blockquote {
  margin-top: 30px;
  margin-bottom: 30px;
  padding: 25px 28px;
  color: #fff;
  background: var(--navy);
  border-radius: 6px;
}
blockquote strong { color: #83b9ff; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
blockquote p { margin: 8px 0 0; font-size: 19px; }
.product-callout {
  margin-top: 38px;
  margin-bottom: 44px;
  padding: 26px;
  display: grid;
  grid-template-columns: minmax(200px, .8fr) 1.4fr;
  align-items: center;
  gap: 28px;
  background: var(--soft);
  border: 1px solid var(--line);
}
.product-callout img {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.product-callout h2 { margin: 7px 0 12px; font-size: 28px; }
.product-callout p { margin: 0 0 18px; }
.order-card {
  margin-top: 45px;
  margin-bottom: 48px;
  overflow: hidden;
  background: #fff;
  border: 2px solid var(--navy);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(3,17,38,.16);
}
.order-head {
  padding: 24px;
  color: #fff;
  text-align: center;
  background: linear-gradient(135deg, #071a3a, #123c78);
}
.order-head span { color: #9bc5ff; font-size: 12px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.order-head h2 { margin: 5px 0 2px; color: #fff; font-size: 40px; }
.order-head p { margin: 0; font-weight: 700; }
.order-body {
  padding: 30px;
  display: grid;
  grid-template-columns: minmax(240px, .9fr) minmax(280px, 1.1fr);
  gap: 30px;
}
.product-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.offer-badge {
  padding: 7px 12px;
  color: #fff;
  background: var(--red);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}
.product-image {
  width: 100%;
  max-width: 310px;
  max-height: 270px;
  margin: 16px auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.stock-note {
  padding: 7px 10px;
  color: #6b4a00;
  background: #fff5d5;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}
.price-box {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 8px;
  padding: 12px;
  background: var(--soft);
  border-radius: 6px;
}
.price-box > div { padding: 10px; }
.price-box span { display: block; color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; }
.price-box s { display: block; margin-top: 4px; color: #798294; font-size: 23px; font-weight: 800; }
.current-price { background: #eaf8f1; border-radius: 5px; }
.current-price strong { display: block; margin-top: 4px; color: var(--success); font-size: clamp(20px, 3.5vw, 28px); line-height: 1.1; }
.condition { margin: 8px 0 18px; color: #465266; font-size: 13px; text-align: right; }
#mainOrderForm { display: grid; gap: 8px; }
#mainOrderForm label { margin-top: 5px; font-size: 14px; font-weight: 800; }
#mainOrderForm input,
.comment-form input,
.comment-form textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid #bbc5d3;
  border-radius: 5px;
  font: inherit;
}
#mainOrderForm input:focus,
.comment-form input:focus,
.comment-form textarea:focus { border-color: var(--blue); outline: 3px solid rgba(12,93,216,.12); }
#mainOrderForm small { color: var(--muted); font-size: 12px; line-height: 1.4; }
.field-error { min-height: 20px; color: #b61429; font-size: 13px; font-weight: 700; line-height: 1.35; }
#submit_order,
.comment-form button {
  width: 100%;
  min-height: 58px;
  padding: 12px 18px;
  color: #fff;
  background: var(--red);
  border: 0;
  border-radius: 5px;
  box-shadow: 0 7px 15px rgba(227,28,50,.25);
  font: 900 15px/1.25 Arial, sans-serif;
  cursor: pointer;
}
#submit_order:hover,
.comment-form button:hover { background: #bf1024; }
#submit_order:disabled { opacity: .65; cursor: wait; }
.guarantees { margin-top: 15px; display: flex; flex-wrap: wrap; gap: 7px; }
.guarantees span { padding: 5px 8px; color: #36516f; background: #edf3fa; border-radius: 3px; font-size: 11px; font-weight: 700; }
.comments { margin-top: 40px; }
.comments > h2 { padding-bottom: 12px; border-bottom: 3px solid var(--navy); }
.comment { padding: 20px 0; display: grid; grid-template-columns: 58px 1fr; gap: 14px; border-bottom: 1px solid var(--line); }
.comment img { width: 58px; height: 58px; border-radius: 50%; object-fit: cover; }
.comment strong { display: block; line-height: 1.2; }
.comment time { color: var(--muted); font-size: 12px; }
.comment p { margin: 5px 0 0; }
.comment-form { margin-top: 26px; padding: 24px; display: grid; gap: 8px; background: var(--soft); }
.comment-form h3 { margin: 0 0 8px; }
.comment-form label { margin-top: 4px; font-size: 13px; font-weight: 800; }
.comment-form textarea { resize: vertical; }
.comment-form button { width: auto; min-height: 48px; margin-top: 8px; justify-self: start; }
.comment-status { min-height: 24px; margin: 4px 0 0; color: var(--success); font-weight: 700; }
.site-footer {
  padding: 32px max(20px, calc((100% - 900px) / 2));
  display: flex;
  justify-content: space-between;
  gap: 28px;
  color: #c9d7ea;
  background: #031126;
  font-size: 13px;
}
.site-footer p { margin: 4px 0 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: #fff; }
@media (max-width: 720px) {
  body { font-size: 16px; }
  .topline { text-align: center; }
  .header-inner { min-height: 62px; gap: 10px; }
  .header-inner nav { display: none; }
  .brand { font-size: 18px; }
  .header-cta { min-height: 38px; padding: 0 14px; }
  .page-shell { width: 100%; margin: 0; }
  .article-card { padding: 24px 16px 36px; box-shadow: none; }
  h1 { font-size: 34px; }
  .lead { font-size: 19px; }
  .symptoms-card, blockquote { padding: 20px; }
  .product-callout, .order-body { grid-template-columns: 1fr; }
  .product-callout { padding: 20px; }
  .product-callout img { max-height: 220px; }
  .order-body { padding: 20px 15px; }
  .product-image { max-height: 230px; }
  .price-box { grid-template-columns: 1fr 1.25fr; }
  .condition { text-align: center; }
  #submit_order { min-height: 62px; font-size: 14px; }
  .site-footer { flex-direction: column; }
}
@media (max-width: 390px) {
  h1 { font-size: 30px; }
  .article-meta { gap: 5px 12px; }
  .price-box { grid-template-columns: 1fr; }
  .current-price strong { font-size: 25px; }
  .comment { grid-template-columns: 48px 1fr; }
  .comment img { width: 48px; height: 48px; }
}