:root {
  --paper: #f6f2e9;
  --paper-deep: #ece5d6;
  --ink: #17352e;
  --muted: #64736c;
  --sage: #dce8d8;
  --leaf: #2f6b58;
  --sun: #e9a84c;
  --rose: #e8c3b9;
  --white: #fffdf8;
  --line: #d8d2c5;
  --radius: 22px;
  --shadow: 0 18px 45px rgb(23 53 46 / 8%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: inherit; }
.site-header, main, footer { padding-inline: clamp(20px, 5vw, 72px); }
.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgb(246 242 233 / 92%);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -.04em;
}
.site-header nav { display: none; gap: 24px; }
.site-header nav a { text-decoration: none; font-size: .9rem; font-weight: 700; }
main { max-width: 1280px; margin: auto; }
section { margin-block: clamp(64px, 10vw, 120px); }
.hero {
  min-height: 68vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  width: min(54vw, 540px);
  aspect-ratio: 1;
  border-radius: 48% 52% 65% 35%;
  background: var(--sage);
  right: -18%;
  top: 12%;
  z-index: -1;
  transform: rotate(-12deg);
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--leaf);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .15em;
}
h1, h2, h3, p { text-wrap: balance; }
h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -.045em;
  line-height: 1.02;
}
h1 { font-size: clamp(3.25rem, 11vw, 7.8rem); margin: 0 0 24px; max-width: 980px; }
h2 { font-size: clamp(2.1rem, 6vw, 4rem); margin: 0; }
h3 { line-height: 1.2; }
.lead { max-width: 650px; font-size: clamp(1.15rem, 3vw, 1.5rem); color: var(--muted); }
.primary {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  margin-top: 18px;
  background: var(--ink);
  color: white;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}
.promise {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 14px;
  align-items: center;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}
.promise p { margin: 0; font-weight: 800; }
.promise span { color: var(--sun); font-size: 1.4rem; }
.section-head { margin-bottom: 30px; }
.age-grid, .need-grid, .guidance-grid, .product-grid { display: grid; gap: 16px; }
.age-card, .need-card, .need-row {
  display: flex;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform .2s ease, box-shadow .2s ease;
}
.age-card:hover, .need-card:hover, .need-row:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.age-card { flex-direction: column; gap: 8px; padding: 28px; }
.age-card span { font-family: Georgia, serif; font-size: 2rem; font-weight: 700; }
.age-card small { color: var(--muted); font-size: .95rem; }
.need-card { flex-direction: column; min-height: 260px; padding: 28px; }
.need-card h3 { font-family: Georgia, serif; font-size: 1.7rem; margin: 22px 0 8px; }
.need-card p { margin: 0; color: var(--muted); }
.need-id { color: var(--leaf); font-size: .75rem; font-weight: 900; letter-spacing: .12em; }
.arrow { margin-top: auto; padding-top: 28px; font-weight: 800; }
.zero-products, .next-step, .signup {
  padding: clamp(28px, 6vw, 64px);
  border-radius: calc(var(--radius) + 8px);
}
.zero-products { background: var(--ink); color: var(--white); }
.zero-products .eyebrow { color: #a9d1c0; }
.zero-products p { max-width: 760px; color: #cfddd7; }
.zero-products.compact { margin-block: 50px; }
.page-intro { max-width: 920px; margin-bottom: 40px; }
.page-intro h1 { font-size: clamp(3rem, 9vw, 6.6rem); }
.page-intro > p:last-child { max-width: 720px; color: var(--muted); font-size: 1.2rem; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; color: var(--muted); font-size: .85rem; }
.breadcrumbs a { text-underline-offset: 3px; }
.need-list { display: grid; gap: 12px; margin-top: 0; }
.need-row { justify-content: space-between; align-items: center; padding: 24px; }
.need-row h2 { font-family: inherit; font-size: 1.35rem; letter-spacing: -.02em; margin: 8px 0; }
.need-row p { margin: 0; color: var(--muted); }
.age-jumps { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.age-jumps a, .age-pill {
  display: inline-flex;
  border-radius: 999px;
  padding: 9px 14px;
  background: var(--sage);
  color: var(--ink);
  font-size: .85rem;
  font-weight: 800;
  text-decoration: none;
}
.guidance-grid { margin-block: 0; }
.guidance {
  margin: 0;
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  background: var(--white);
}
.guidance .answer { margin: 30px 0 0; padding-top: 24px; border-top: 1px solid var(--line); }
.answer h3 { margin: 0 0 10px; font-size: 1.05rem; }
.answer ul { margin: 0; padding-left: 20px; }
.answer li + li { margin-top: 8px; }
.answer.needed h3::before { content: "● "; color: var(--leaf); }
.answer.optional h3::before { content: "● "; color: var(--sun); }
.answer.not-needed h3::before { content: "● "; color: #a56d61; }
.product-empty { margin: 34px 0 0; padding: 22px; border-radius: 16px; background: var(--paper); }
.product-empty h3, .product-empty p { margin: 0; }
.product-empty p { margin-top: 6px; color: var(--muted); }
.product-card { padding: 22px; border: 1px solid var(--line); border-radius: 16px; }
.next-step { background: var(--sage); }
.next-step p:last-child { max-width: 720px; font-size: 1.1rem; }
.sources { margin: 30px 0 70px; color: var(--muted); font-size: .85rem; }
.sources summary { color: var(--ink); font-weight: 800; cursor: pointer; }
.signup { background: var(--paper-deep); }
.signup > p { max-width: 650px; }
.signup form { display: grid; gap: 16px; max-width: 720px; margin-top: 28px; }
.signup label { display: grid; gap: 7px; font-size: .86rem; font-weight: 750; }
.signup input, .signup select {
  width: 100%;
  border: 1px solid #bfb8a8;
  border-radius: 12px;
  padding: 13px 14px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
}
.signup .consent { grid-template-columns: auto 1fr; align-items: start; font-weight: 500; }
.signup .consent input { width: auto; margin-top: 4px; }
.success { padding: 12px 16px; border-radius: 10px; background: var(--sage); font-weight: 800; }
.product-detail { max-width: 760px; padding: 32px; background: var(--white); border-radius: var(--radius); }
.product-detail dl { display: grid; grid-template-columns: auto 1fr; gap: 10px 24px; }
.product-detail dt { font-weight: 800; }
.demo-banner { padding: 10px 20px; background: #8a2e2e; color: white; text-align: center; font-weight: 900; }
footer { margin-top: 100px; padding-block: 52px; border-top: 1px solid var(--line); }
footer p { margin: 6px 0; color: var(--muted); }
footer small { color: var(--muted); }

@media (min-width: 720px) {
  .site-header nav { display: flex; }
  .promise { grid-template-columns: 1fr auto 1fr auto 1fr auto 1.4fr; }
  .age-grid { grid-template-columns: 1fr 1fr; }
  .need-grid { grid-template-columns: repeat(2, 1fr); }
  .signup form { grid-template-columns: 1fr 1fr; }
  .signup .consent, .signup button { grid-column: 1 / -1; }
}

@media (min-width: 1040px) {
  .need-grid { grid-template-columns: repeat(3, 1fr); }
  .need-card:first-child, .need-card:nth-child(5) { grid-column: span 2; }
  .guidance-grid { grid-template-columns: 1fr 1fr; align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}