:root {
  --teal: #058aa2;
  --teal-dark: #00586a;
  --teal-soft: #e8f7f9;
  --gold: #f2cf4a;
  --red: #db2532;
  --ink: #14313a;
  --muted: #637983;
  --line: #d8e8ec;
  --surface: #ffffff;
  --wash: #f5fbfc;
  --shadow: 0 22px 58px rgba(8, 68, 82, .16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--wash);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 240px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 14px 40px;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.logo-link img {
  width: 220px;
}

nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-weight: 800;
  color: var(--teal-dark);
}

nav a,
.header-cta,
.primary,
.secondary,
.amazon-button,
.text-link {
  text-decoration: none;
}

nav a.active {
  color: var(--red);
}

.header-cta,
.primary,
.secondary,
.amazon-button,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  background: var(--gold);
  border: 1px solid rgba(32, 24, 2, .12);
  color: #201802;
  font-weight: 900;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.header-actions .header-cta {
  min-height: 40px;
  padding: 0 14px;
  font-size: 14px;
  white-space: nowrap;
}

.secondary-cta {
  background: var(--gold);
  border: 1px solid rgba(32, 24, 2, .12);
  color: #201802;
}

.promo-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  max-width: 1220px;
  margin: 28px auto 0;
  padding: 22px 28px;
  border: 1px solid #eedf9d;
  border-radius: 10px;
  background: #fff8d9;
  box-shadow: 0 10px 26px rgba(124, 91, 12, .09);
}

.promo-banner h2 {
  margin-bottom: 8px;
  font-size: 30px;
}

.promo-banner h2 span {
  color: var(--red);
  white-space: nowrap;
}

.promo-banner p:last-child {
  margin: 0;
  color: #6d5d26;
  line-height: 1.5;
}

.copy-code {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--teal-dark);
  border-radius: 8px;
  background: var(--teal-dark);
  color: white;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.copy-code.wide {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 530px) minmax(400px, 1fr);
  gap: 48px;
  align-items: center;
  max-width: 1220px;
  min-height: 620px;
  margin: 0 auto;
  padding: 56px 40px 42px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: 62px;
  line-height: .98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: 38px;
  line-height: 1.08;
}

h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 18px;
}

.secondary {
  background: var(--gold);
  color: #201802;
}

.disclaimer {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.hero-products {
  position: relative;
  min-height: 500px;
  border-radius: 10px;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 15%, rgba(242, 207, 74, .34), transparent 30%),
    linear-gradient(135deg, #dff8fb, #ffffff 58%, #e6f5f7);
  box-shadow: var(--shadow);
}

.jar {
  position: absolute;
  object-fit: contain;
  filter: drop-shadow(0 24px 30px rgba(5, 72, 87, .2));
}

.jar-main {
  width: 58%;
  right: 42px;
  bottom: 48px;
}

.jar-side {
  width: 38%;
  left: 36px;
  top: 76px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1140px;
  margin: 0 auto 28px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
}

.trust-strip div {
  padding: 18px;
  border-right: 1px solid var(--line);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}

.section,
.info-band {
  padding: 70px 40px;
}

.section {
  max-width: 1220px;
  margin: 0 auto;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.product-card {
  display: grid;
  grid-template-columns: 44% 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(8, 68, 82, .07);
}

.product-card.featured {
  border-color: rgba(242, 207, 74, .75);
}

.product-image {
  display: grid;
  place-items: center;
  min-height: 310px;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #edf9fb);
}

.product-image img {
  max-height: 280px;
  object-fit: contain;
}

.pill {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 900;
}

.price-block {
  display: grid;
  gap: 4px;
  margin: 0 0 14px;
}

.price {
  color: var(--teal-dark);
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
}

.price-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.product-copy p,
.product-copy li,
.info-grid p,
.education-grid p,
.steps span,
.coupon-card p,
.faq-list p {
  color: var(--muted);
  line-height: 1.58;
}

.product-copy ul {
  padding-left: 20px;
  margin-bottom: 20px;
}

.info-band {
  background: var(--teal-dark);
  color: white;
}

.info-band .section-heading,
.info-grid {
  max-width: 1220px;
  margin-left: auto;
  margin-right: auto;
}

.light p,
.light .eyebrow {
  color: #cceff4;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.info-grid article {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 10px;
  background: rgba(255, 255, 255, .08);
}

.info-grid p {
  color: #d7eef2;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.education-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.education-grid a {
  color: var(--teal-dark);
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 44px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 16px;
  padding: 0;
  counter-reset: steps;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.steps li::before {
  counter-increment: steps;
  content: counter(steps);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--teal);
  color: white;
  font-weight: 900;
}

.steps strong,
.steps span {
  display: block;
}

.steps strong {
  margin-bottom: 6px;
  font-size: 17px;
}

.steps span {
  max-width: 62ch;
}

.coupon-card {
  padding: 26px;
  border-radius: 10px;
  background: #fff8d9;
  border: 1px solid #eedf9d;
}

.coupon-code {
  margin-bottom: 14px;
  color: var(--red);
  font-size: 32px;
  font-weight: 900;
  letter-spacing: 0;
}

.coupon-card .amazon-button {
  width: 100%;
  margin: 12px 0;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.product-gallery img,
.image-feature-grid img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  object-fit: cover;
}

.product-gallery img {
  aspect-ratio: 1;
}

.image-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.image-feature-grid figure {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.image-feature-grid img {
  aspect-ratio: 1.12;
}

.image-feature-grid .wide-media {
  grid-column: span 2;
}

.image-feature-grid .wide-media img {
  aspect-ratio: 1.75;
}

.image-feature-grid figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}

.compare-images {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.text-link {
  margin-top: 2px;
}

.comparison {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.row {
  display: grid;
  grid-template-columns: 220px 1fr 1fr;
  border-bottom: 1px solid var(--line);
}

.row:last-child {
  border-bottom: 0;
}

.row span {
  padding: 16px;
  border-right: 1px solid var(--line);
  line-height: 1.45;
}

.row span:last-child {
  border-right: 0;
}

.row.head {
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-weight: 900;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--teal-dark);
  font-weight: 900;
}

details p {
  padding: 0 20px 20px;
}

.site-footer {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 34px 40px;
  color: #d5edf1;
  background: #062f38;
}

.site-footer img {
  width: 210px;
  filter: brightness(0) invert(1);
}

.site-footer p {
  margin: 0;
  line-height: 1.55;
}

@media (max-width: 980px) {
  .site-header,
  .promo-banner,
  .hero,
  .split,
  .site-footer {
    grid-template-columns: 1fr;
  }

  nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  h1 {
    font-size: 44px;
  }

  .hero-products {
    min-height: 420px;
  }

  .trust-strip,
  .product-grid,
  .info-grid,
  .education-grid,
  .image-feature-grid,
  .compare-images {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-card {
    grid-template-columns: 1fr;
  }

  .image-feature-grid .wide-media {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .site-header,
  .promo-banner,
  .hero,
  .section,
  .info-band,
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .logo-link img {
    width: 190px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 30px;
  }

  .trust-strip,
  .product-grid,
  .info-grid,
  .education-grid,
  .image-feature-grid,
  .compare-images,
  .promo-banner,
  .row {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    grid-template-columns: 1fr;
  }

  .image-feature-grid .wide-media {
    grid-column: auto;
  }

  .trust-strip div,
  .row span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-strip div:last-child,
  .row span:last-child {
    border-bottom: 0;
  }

  .hero-products {
    min-height: 360px;
  }

  .jar-main {
    width: 66%;
    right: 14px;
  }

  .jar-side {
    width: 44%;
    left: 14px;
  }
}
/* Contact page */
.contact-page { min-height: 70vh; }
.contact-hero { padding: 72px max(24px, calc((100vw - 1220px) / 2)); text-align: center; color: #fff; background: linear-gradient(135deg, #075d70, #1194af); }
.contact-hero h1 { margin: 8px 0 14px; font-size: clamp(2.5rem, 6vw, 4.25rem); line-height: 1.05; }
.contact-hero > p:last-child { max-width: 720px; margin: 0 auto; font-size: 1.1rem; }
.contact-layout { display: grid; grid-template-columns: .85fr 1.35fr; gap: 28px; max-width: 1220px; margin: 0 auto; padding: 56px 24px; }
.contact-card { padding: 32px; border: 1px solid #d8e4e7; border-radius: 18px; background: #fff; box-shadow: 0 14px 36px rgba(7, 62, 74, .08); }
.contact-card h2 { margin-top: 0; }
.contact-info > p, .contact-form-card > p { color: #52666d; }
.contact-detail { display: grid; gap: 4px; margin: 24px 0; }
.contact-detail a { color: #06758c; font-weight: 800; }
.contact-detail span { color: #52666d; }
.contact-order-note { display: grid; gap: 5px; margin-top: 28px; padding: 18px; border-left: 4px solid #1297b1; border-radius: 8px; background: #eef8fa; }
.contact-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form-grid label { display: grid; gap: 7px; font-weight: 800; }
.contact-form-grid label span { color: #c51f37; }
.contact-form-grid input, .contact-form-grid select, .contact-form-grid textarea { width: 100%; padding: 12px 13px; border: 1px solid #aebfc4; border-radius: 8px; background: #fff; color: #082f38; font: inherit; }
.contact-form-grid textarea { min-height: 150px; resize: vertical; }
.contact-form-grid input:focus, .contact-form-grid select:focus, .contact-form-grid textarea:focus { outline: 3px solid rgba(18, 151, 177, .2); border-color: #1297b1; }
.full-field { grid-column: 1 / -1; }
.contact-submit { margin-top: 22px; border: 0; cursor: pointer; }
.contact-captcha { min-height: 78px; margin-top: 22px; }
/* Long-form neuropathy education */
.education-article { max-width: 980px; margin: 0 auto; padding: 38px 42px; border: 1px solid #d7e5e8; border-radius: 18px; background: #fff; box-shadow: 0 14px 36px rgba(7, 62, 74, .07); }
.education-article .article-intro { margin-top: 0; color: #304e55; font-size: 1.12rem; line-height: 1.8; }
.education-article h3 { margin: 38px 0 12px; color: #075d70; font-size: 1.55rem; }
.education-article p, .education-article li { line-height: 1.8; }
.education-article a { color: #06758c; font-weight: 750; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.article-callout { margin: 28px 0; padding: 22px 24px; border-left: 5px solid #e9bd2d; border-radius: 9px; background: #fff9df; }
.article-callout ul { margin-bottom: 0; }
.article-sources { margin-top: 42px; padding: 26px; border-radius: 12px; background: #eef8fa; }
.article-sources h3 { margin-top: 0; }
.article-sources li { margin-bottom: 8px; }
.article-sources p:last-child { margin-bottom: 0; padding-top: 14px; border-top: 1px solid #c9e0e5; font-size: .92rem; }
@media (max-width: 700px) { .education-article { padding: 26px 22px; } .education-article h3 { font-size: 1.3rem; } }
.contact-privacy { margin-bottom: 0; color: #64777d; font-size: .82rem; }
.contact-success { min-height: 520px; display: grid; place-content: center; }
.contact-success .primary { display: inline-block; width: fit-content; margin: 28px auto 0; }
@media (max-width: 860px) {
  .contact-layout, .contact-form-grid { grid-template-columns: 1fr; }
  .full-field { grid-column: auto; }
  .contact-hero { padding-top: 54px; padding-bottom: 54px; }
  .contact-card { padding: 24px; }
}