:root {
  --leaf: #25563a;
  --moss: #7f9b69;
  --ink: #17221b;
  --paper: #f7f7f2;
  --cream: #efeadf;
  --gold: #b99255;
  --line: rgba(23, 34, 27, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

a {
  color: inherit;
  text-decoration: none;
}

.legal-strip {
  padding: 8px clamp(18px, 4vw, 56px);
  background: var(--leaf);
  color: #fff;
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(247, 247, 242, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  font-weight: 800;
  font-size: 1.1rem;
}

.nav {
  display: flex;
  gap: clamp(16px, 3vw, 34px);
  font-size: 0.92rem;
  font-weight: 600;
}

.header-action {
  justify-self: end;
  border: 1px solid var(--ink);
  padding: 10px 16px;
  font-size: 0.88rem;
  font-weight: 700;
}

.hero {
  min-height: calc(100vh - 100px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(330px, 1.05fr);
  align-items: center;
  gap: clamp(24px, 5vw, 66px);
  padding: clamp(34px, 5vw, 70px) clamp(18px, 5vw, 76px) 42px;
  background: linear-gradient(90deg, var(--paper) 0%, #edf0e8 53%, #ffffff 100%);
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--leaf);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(4rem, 10vw, 9.4rem);
  line-height: 0.88;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2rem, 4.5vw, 4.3rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  font-size: 1.3rem;
}

.hero-text {
  max-width: 520px;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  line-height: 1.6;
}

.hero-actions,
.price-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--leaf);
  padding: 0 20px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  background: var(--leaf);
  color: white;
}

.button.secondary {
  background: transparent;
  color: var(--leaf);
}

.button.full {
  width: 100%;
  margin-top: 14px;
  font-size: 1rem;
}

.trust-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.trust-row span {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.52);
  padding: 9px 12px;
  font-size: 0.86rem;
  font-weight: 700;
}

.hero-media {
  justify-self: end;
  width: min(100%, 620px);
  height: clamp(460px, 66vh, 720px);
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.metrics div {
  min-height: 132px;
  display: grid;
  place-items: center;
  align-content: center;
  border-right: 1px solid var(--line);
}

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

.metrics strong {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 1;
}

.metrics span {
  color: rgba(23, 34, 27, 0.68);
  font-weight: 700;
}

.section {
  padding: clamp(56px, 9vw, 120px) clamp(18px, 5vw, 76px);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

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

.benefit-grid article {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  background: #fff;
  padding: 26px;
}

.benefit-grid span {
  color: var(--gold);
  font-weight: 800;
}

.benefit-grid p,
.formula-copy li,
.product-info p,
.footer span {
  color: rgba(23, 34, 27, 0.72);
  line-height: 1.6;
}

.formula {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(28px, 6vw, 80px);
  background: #e9eee5;
}

.formula-media {
  max-height: 760px;
  overflow: hidden;
}

.formula-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.formula-copy ul {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  border-top: 1px solid var(--line);
}

.formula-copy li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.shop {
  background: var(--paper);
}

.product-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 0.75fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}

.product-image {
  background: #fff;
  min-height: 520px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info {
  border-top: 3px solid var(--leaf);
  padding-top: 28px;
}

.effective-date {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 28px auto 0;
}

.product-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  gap: 22px;
  min-height: 230px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 18px;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.product-card h3 {
  margin-bottom: 8px;
}

.product-card strong {
  display: inline-block;
  margin-top: 8px;
  color: var(--leaf);
  font-size: 1.2rem;
}

.price-row {
  margin: 28px 0 18px;
}

.price-row strong {
  font-size: 2rem;
}

.price-row span {
  color: var(--leaf);
  font-weight: 800;
}

.quantity-control {
  width: 156px;
  height: 46px;
  display: grid;
  grid-template-columns: 46px 1fr 46px;
  border: 1px solid var(--line);
  background: #fff;
}

.quantity-control button {
  border: 0;
  background: transparent;
  font-size: 1.2rem;
  cursor: pointer;
}

.quantity-control span {
  display: grid;
  place-items: center;
  font-weight: 800;
}

.fine-print {
  margin-top: 16px;
  font-size: 0.78rem;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 28px clamp(18px, 5vw, 76px);
  border-top: 1px solid var(--line);
  background: #fff;
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 14px;
  }

  .nav {
    display: none;
  }

  .hero,
  .formula,
  .product-panel,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    justify-self: stretch;
    width: 100%;
    height: 430px;
  }

  .metrics,
  .benefit-grid {
    grid-template-columns: 1fr;
  }

  .metrics div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metrics div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 520px) {
  .header-action {
    padding: 9px 12px;
  }

  h1 {
    font-size: clamp(3.6rem, 21vw, 5.8rem);
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-media,
  .product-image {
    height: 360px;
    min-height: 0;
  }

  .product-card {
    grid-template-columns: 120px 1fr;
    gap: 14px;
    min-height: 180px;
    padding: 12px;
  }
}