:root {
  color-scheme: light;
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #18332d;
  --muted: #60706c;
  --line: #d9e4df;
  --mint: #cfe8dd;
  --mint-strong: #0f6b5f;
  --peach: #f3b28f;
  --peach-soft: #ffe8d9;
  --cream: #fff6eb;
  --shadow: 0 22px 60px rgba(24, 51, 45, .11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(24, 51, 45, .08);
  background: rgba(251, 250, 247, .92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--mint-strong);
  color: #fff;
  font-size: 21px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.main-nav a {
  text-decoration: none;
}

.main-nav a:hover {
  color: var(--mint-strong);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(36px, 5vw, 76px) clamp(20px, 5vw, 72px) 42px;
}

.hero-copy {
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--mint-strong);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(46px, 6vw, 86px);
  line-height: .97;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4.7vw, 64px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 25px;
  line-height: 1.15;
}

.lead {
  max-width: 570px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(19px, 2vw, 23px);
}

.hero-actions,
.amazon-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--mint-strong);
  color: #fff;
  box-shadow: 0 12px 24px rgba(15, 107, 95, .18);
}

.button-secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.button-light {
  border-color: rgba(255, 255, 255, .5);
  background: rgba(255, 255, 255, .74);
  color: var(--ink);
}

.hero-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: min(66vh, 720px);
  min-height: 430px;
  object-fit: cover;
}

.proof-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(20px, 5vw, 72px) 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.proof-bar div {
  padding: 24px;
  background: var(--surface);
}

.proof-bar strong,
.proof-bar span {
  display: block;
}

.proof-bar strong {
  margin-bottom: 5px;
  font-size: 18px;
}

.proof-bar span {
  color: var(--muted);
}

.section,
.band {
  padding: clamp(70px, 9vw, 124px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 920px;
  margin-bottom: 36px;
}

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

.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 44px rgba(24, 51, 45, .08);
}

.product-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.product-body {
  padding: clamp(24px, 4vw, 40px);
}

.product-label {
  margin-bottom: 8px;
  color: var(--mint-strong);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-body p,
.feature-item p,
.amazon-panel p,
.contact-card p {
  color: var(--muted);
  font-size: 17px;
}

.product-body ul {
  margin: 22px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.product-body li + li {
  margin-top: 8px;
}

.band {
  background: linear-gradient(135deg, var(--cream), var(--mint));
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  gap: clamp(28px, 6vw, 86px);
  align-items: start;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-item {
  padding: 26px;
  border: 1px solid rgba(24, 51, 45, .11);
  border-radius: 8px;
  background: rgba(255, 255, 255, .72);
}

.amazon-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: clamp(28px, 5vw, 54px);
  border-radius: 8px;
  background: var(--peach-soft);
  box-shadow: var(--shadow);
}

.amazon-panel h2 {
  max-width: 850px;
}

.amazon-panel p {
  max-width: 720px;
  margin-bottom: 0;
}

.amazon-actions {
  justify-content: flex-end;
  min-width: 250px;
}

.contact-grid {
  align-items: center;
}

.contact-card {
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid rgba(24, 51, 45, .1);
  border-radius: 8px;
  background: rgba(255, 255, 255, .8);
}

.email-link {
  display: inline-block;
  margin: 8px 0 22px;
  color: var(--mint-strong);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  text-decoration: none;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface);
}

.site-footer a {
  color: var(--mint-strong);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 920px) {
  .hero,
  .split,
  .amazon-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 11;
  }

  .product-grid,
  .proof-bar {
    grid-template-columns: 1fr;
  }

  .amazon-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .main-nav {
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 2px;
    white-space: nowrap;
  }

  h1 {
    font-size: 43px;
  }

  h2 {
    font-size: 34px;
  }

  .hero,
  .section,
  .band {
    padding-left: 18px;
    padding-right: 18px;
  }

  .proof-bar {
    margin-left: 18px;
    margin-right: 18px;
  }

  .button {
    width: 100%;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}