:root {
  color-scheme: light;
  --ink: #18231f;
  --paper: #f5f0e4;
  --card: #fffdf6;
  --green: #315b49;
  --green-dark: #1e3e32;
  --rust: #a94728;
  --line: #d8cfbd;
  --shadow: 0 24px 70px rgb(24 35 31 / 14%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; line-height: 1.55; }
button, input { font: inherit; }
button { cursor: pointer; }

.sandbox-banner {
  padding: .7rem 1rem;
  background: var(--ink);
  color: white;
  font-size: .8rem;
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

main { width: min(1080px, calc(100% - 2rem)); margin: 0 auto; }
.hero { min-height: 620px; display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; gap: 5rem; padding: 5rem 2rem; }
.eyebrow { margin: 0 0 .75rem; color: var(--rust); font-size: .76rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 1.25rem; font-family: Georgia, serif; font-size: clamp(3rem, 7vw, 6.5rem); font-weight: 500; letter-spacing: -.055em; line-height: .94; }
h2 { font-family: Georgia, serif; font-size: clamp(1.65rem, 3vw, 2.5rem); line-height: 1.05; }
.lede { max-width: 620px; color: #46534e; font-size: 1.15rem; }
.variant-marker { display: inline-block; margin: .5rem 0 1.5rem; padding: .35rem .65rem; border: 1px solid var(--line); border-radius: 99px; background: rgb(255 255 255 / 50%); font-size: .75rem; }
.text-link { color: var(--green-dark); font-weight: 750; text-underline-offset: .3em; }

.cover { aspect-ratio: 3 / 4; max-width: 330px; padding: 2rem; display: flex; flex-direction: column; align-items: center; justify-content: space-between; justify-self: center; border: 8px double #c7b790; background: var(--green); box-shadow: var(--shadow); color: white; text-align: center; transform: rotate(2deg); }
.cover img { filter: brightness(0) invert(1); }
.cover span, .cover small { font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; }
.cover strong { font-family: Georgia, serif; font-size: clamp(2rem, 4vw, 3.2rem); line-height: .95; }

.section-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.section-grid article { padding: 3rem 2rem; }
.section-grid article + article { border-left: 1px solid var(--line); }
.section-grid span { color: var(--rust); font-size: .75rem; font-weight: 800; }
.section-grid h2 { margin: 1rem 0 .65rem; font-size: 1.5rem; }
.section-grid p { margin-bottom: 0; color: #58635f; }

.offer { margin: 6rem 0; padding: clamp(2rem, 6vw, 5rem); display: grid; grid-template-columns: 1.3fr .7fr; gap: 4rem; align-items: center; border-radius: 1.25rem; background: var(--green-dark); color: white; box-shadow: var(--shadow); }
.offer > div:first-child p:last-child { max-width: 560px; color: #dce5e1; }
.price-card { padding: 2rem; border: 1px solid rgb(255 255 255 / 25%); border-radius: 1rem; background: rgb(255 255 255 / 7%); text-align: center; }
.price { margin: 0 0 1rem; font-family: Georgia, serif; font-size: 5rem; line-height: 1; }
.price span { font-size: 2rem; vertical-align: top; }
#buy-btn, #co-details button, #co-pay { width: 100%; padding: 1rem 1.25rem; border: 0; border-radius: .55rem; background: #e7b35c; color: var(--ink); font-weight: 850; }
.price-card small { display: block; margin-top: .75rem; color: #c9d5d0; }

.faq { max-width: 760px; margin: 0 auto 7rem; }
.faq > h2 { margin-bottom: 2rem; }
details { padding: 1.2rem 0; border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 800; }
details p { margin: .8rem 0 0; color: #58635f; }

dialog { width: min(520px, calc(100% - 2rem)); padding: 2.2rem; border: 0; border-radius: 1rem; background: var(--card); box-shadow: var(--shadow); }
dialog::backdrop { background: rgb(14 24 20 / 68%); backdrop-filter: blur(3px); }
.dialog-close { position: absolute; top: .6rem; right: .75rem; border: 0; background: transparent; color: #5a625f; font-size: 1.8rem; }
#co-details { display: grid; gap: .55rem; }
#co-details input { width: 100%; margin-bottom: .7rem; padding: .8rem; border: 1px solid var(--line); border-radius: .45rem; background: white; }
#co-details label { font-size: .85rem; font-weight: 750; }
#co-thanks:focus { outline: none; }
footer { padding: 2rem; border-top: 1px solid var(--line); color: #65706b; font-size: .8rem; text-align: center; }

@media (max-width: 760px) {
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 3rem; padding: 4rem 0; }
  .cover { width: min(300px, 82vw); }
  .section-grid, .offer { grid-template-columns: 1fr; }
  .section-grid article + article { border-left: 0; border-top: 1px solid var(--line); }
  .offer { gap: 2rem; margin-block: 4rem; }
}