:root {
  --ink: #11161b;
  --muted: #61707d;
  --paper: #f6f2ea;
  --panel: #ffffff;
  --line: #dce5e7;
  --teal: #14756f;
  --teal-dark: #0d4f4b;
  --gold: #d79a2b;
  --brick: #a54f3f;
  --shadow: 0 24px 70px rgba(16, 25, 28, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  background: rgba(246, 242, 234, 0.92);
  backdrop-filter: blur(12px);
}

.brand,
nav,
.hero-actions,
.trust-strip,
.problem-band,
.final-cta {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  text-decoration: none;
  font-weight: 850;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #fff;
  background: var(--teal-dark);
  border-radius: 8px;
  font-size: 0.78rem;
}

nav {
  gap: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

nav a {
  text-decoration: none;
}

.nav-button,
.primary-action,
.secondary-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 7px;
  text-decoration: none;
  font-weight: 800;
}

.nav-button,
.primary-action {
  color: #fff;
  background: var(--teal-dark);
  box-shadow: 0 10px 24px rgba(13, 79, 75, 0.2);
}

.secondary-action {
  color: var(--teal-dark);
  background: #e8f3f0;
  border: 1px solid #c8e0dc;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100svh - 92px);
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(340px, 1.06fr);
  gap: 44px;
  align-items: center;
  padding: 24px 0 48px;
}

.hero-copy {
  padding-bottom: 28px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 20px;
  font-size: clamp(2.6rem, 5vw, 3.85rem);
  line-height: 0.95;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.04rem;
}

p,
li {
  color: var(--muted);
  line-height: 1.62;
}

.lede {
  max-width: 620px;
  margin-bottom: 28px;
  color: #33414b;
  font-size: 1.16rem;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.trust-strip {
  width: min(560px, 100%);
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--panel);
}

.trust-strip div {
  flex: 1;
  padding: 16px;
  border-right: 1px solid var(--line);
}

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

dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin-left: 0;
  margin-bottom: 0;
  font-weight: 850;
}

.hero-product {
  margin-bottom: 0;
}

.hero-product img {
  aspect-ratio: 1.31;
  object-fit: cover;
  object-position: top left;
  border: 1px solid #bfcfd2;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

figcaption {
  max-width: 560px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.problem-band {
  align-items: stretch;
  gap: 16px;
  margin-bottom: 92px;
}

.problem-band div,
.feature-list article,
.math-panel,
.buyer-band,
.final-cta {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.problem-band div {
  flex: 1;
  padding: 22px;
}

.metric {
  display: block;
  margin-bottom: 10px;
  color: var(--brick);
  font-size: 2rem;
  font-weight: 900;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 42px;
  align-items: start;
  margin-bottom: 92px;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-list article {
  min-height: 190px;
  padding: 24px;
}

.math-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.88fr) minmax(0, 1.12fr);
  gap: 32px;
  align-items: center;
  margin-bottom: 24px;
  padding: 34px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(16, 22, 27, 0.96), rgba(13, 79, 75, 0.9)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.08) 1px, transparent 1px, transparent 56px);
}

.math-panel .eyebrow,
.math-panel p,
.math-panel li {
  color: #d9edeb;
}

.math-panel h2 {
  margin-bottom: 0;
}

.math-panel ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 20px;
}

.buyer-band {
  display: grid;
  grid-template-columns: minmax(260px, 1.15fr) minmax(0, 0.85fr);
  gap: 32px;
  align-items: center;
  margin-bottom: 92px;
  padding: 34px;
}

.buyer-band h2 {
  margin-bottom: 0;
}

.final-cta {
  gap: 28px;
  margin-bottom: 64px;
  padding: 28px;
  background: #fffaf0;
}

.final-cta img {
  width: min(280px, 34vw);
  border: 1px solid #d8c9a8;
  border-radius: 8px;
}

.final-cta p {
  max-width: 620px;
}

@media (max-width: 900px) {
  .site-header,
  nav,
  .hero,
  .section-grid,
  .math-panel,
  .buyer-band,
  .final-cta {
    display: block;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .hero-product {
    margin-top: 28px;
  }

  .problem-band,
  .feature-list {
    display: grid;
    grid-template-columns: 1fr;
  }

  .problem-band,
  .section-grid,
  .buyer-band {
    margin-bottom: 64px;
  }

  .math-panel,
  .buyer-band,
  .final-cta {
    padding: 24px;
  }

  .math-panel ul {
    margin-top: 22px;
  }

  .final-cta img {
    width: min(240px, 100%);
    margin-bottom: 22px;
  }
}

@media (max-width: 560px) {
  main,
  .site-header {
    width: min(100% - 24px, 1180px);
  }

  h1 {
    font-size: 2.6rem;
  }

  .hero-actions,
  .trust-strip {
    display: grid;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

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

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