:root {
  --paper: #f4efe6;
  --bone: #fcfaf5;
  --ink: #2d2b27;
  --sage: #84917b;
  --rust: #a45f48;
  --line: #c9cdc2;
  --muted: #706f68;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 14% 12%, rgba(255,255,255,.45), transparent 26rem),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

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

.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sage);
}

.wordmark {
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

nav { display: flex; align-items: center; gap: 2rem; font-size: .78rem; letter-spacing: .04em; }

nav a { padding-block: .6rem; border-bottom: 1px solid transparent; }
nav a:hover, nav a:focus-visible { border-color: var(--rust); }
.nav-cta { color: var(--rust); font-weight: 700; }

.hero {
  min-height: 760px;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
  padding-block: 78px 92px;
}

.eyebrow {
  margin: 0 0 1.5rem;
  color: var(--rust);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 1.7rem;
  font-family: var(--serif);
  font-size: clamp(4.4rem, 7.7vw, 7.2rem);
  font-weight: 400;
  line-height: .92;
  letter-spacing: -.055em;
}

h1 em, h2 em { display: block; color: var(--rust); font-weight: 400; }

.hero-intro {
  max-width: 590px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.24rem;
  line-height: 1.65;
}

.hero-actions { display: flex; align-items: center; gap: 1.5rem; margin-top: 2.7rem; }

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 230px;
  padding: 1rem 0;
  border-bottom: 2px solid var(--rust);
  color: var(--rust);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.primary-link span { font-size: 1.3rem; transition: transform .2s ease; }
.primary-link:hover span { transform: translateX(7px); }
.hero-actions > span { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }

.hero-art { position: relative; min-height: 610px; display: grid; place-items: center; }

.hero-art img {
  position: relative;
  z-index: 2;
  width: min(82%, 390px);
  height: auto;
  box-shadow: 18px 22px 0 rgba(82, 72, 59, .10), 0 20px 60px rgba(82, 72, 59, .12);
}

.hero-art > p {
  position: absolute;
  right: 0;
  bottom: 32px;
  z-index: 3;
  color: var(--sage);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.sun { position: absolute; width: 390px; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; }

.botanical {
  position: absolute;
  z-index: 3;
  right: -8px;
  top: 90px;
  width: 85px;
  height: 330px;
  border-left: 1px solid var(--sage);
  transform: rotate(-3deg);
}

.botanical i {
  position: absolute;
  width: 58px;
  height: 34px;
  border: 1px solid var(--sage);
  border-radius: 0 70% 0 70%;
  border-left: 0;
}
.botanical i:nth-child(1) { top: 48px; left: -58px; transform: rotate(8deg); }
.botanical i:nth-child(2) { top: 112px; left: 0; transform: scaleX(-1) rotate(8deg); }
.botanical i:nth-child(3) { top: 188px; left: -58px; transform: rotate(8deg); }
.botanical i:nth-child(4) { top: 256px; left: 0; transform: scaleX(-1) rotate(8deg); }

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-block: 27px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principles p { margin: 0; color: var(--sage); font-family: var(--serif); font-size: 1.35rem; font-style: italic; }
.principles p:nth-child(2) { text-align: center; }
.principles p:nth-child(3) { text-align: right; }

.inside { display: grid; grid-template-columns: .76fr 1.24fr; gap: 7rem; padding-block: 130px; }

.section-heading { position: sticky; top: 40px; align-self: start; }

h2 {
  margin-bottom: 2rem;
  font-family: var(--serif);
  font-size: clamp(3.2rem, 5.5vw, 5.6rem);
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.045em;
}

.contents-list, .method ol { margin: 0; padding: 0; list-style: none; }

.contents-list li {
  display: grid;
  grid-template-columns: 65px 1fr;
  gap: 1.4rem;
  padding: 1.7rem 0 1.8rem;
  border-bottom: 1px solid var(--line);
}

.contents-list > li > span, .method li > span { color: var(--rust); font-size: .7rem; font-weight: 700; letter-spacing: .1em; }
.contents-list strong, .method strong { display: block; margin-bottom: .5rem; font-family: var(--serif); font-size: 1.55rem; font-weight: 400; }
.contents-list p, .method li p { margin: 0; color: var(--muted); line-height: 1.6; }

.method { background: var(--ink); color: var(--paper); }
.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8rem; padding-block: 125px; }
.method .eyebrow { color: #c8856e; }
.method h2 em { color: #c8856e; }
.method li { display: grid; grid-template-columns: 62px 1fr; gap: 1.2rem; padding: 1.45rem 0; border-bottom: 1px solid rgba(244,239,230,.2); }
.method li p { color: rgba(244,239,230,.62); }
.method li > span { color: #c8856e; }

.download { display: grid; grid-template-columns: 1fr 1fr; gap: 8rem; align-items: end; padding-block: 130px 145px; }
.privacy-note { max-width: 560px; color: var(--muted); line-height: 1.65; }
.download-options { border-top: 1px solid var(--sage); }
.download-options a {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding .2s ease, color .2s ease;
}
.download-options a:hover { padding-left: .8rem; color: var(--rust); }
.download-options span { font-family: var(--serif); font-size: 1.8rem; }
.download-options small { color: var(--muted); }
.download-options b { font-size: 1.3rem; font-weight: 400; }

footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 4rem;
  align-items: end;
  padding-block: 45px 54px;
  border-top: 1px solid var(--sage);
  color: var(--muted);
  font-size: .74rem;
}
footer div p { margin: .7rem 0 0; }
footer > a { color: var(--rust); font-weight: 700; }
footer > p { margin-bottom: 0; }

:focus-visible { outline: 2px solid var(--rust); outline-offset: 5px; }

@media (max-width: 850px) {
  .shell { width: min(100% - 32px, 680px); }
  .site-header nav a:not(.nav-cta) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 60px; }
  h1 { font-size: clamp(4rem, 16vw, 6rem); }
  .hero-art { min-height: 530px; }
  .hero-art img { width: min(76%, 380px); }
  .botanical { right: 2vw; }
  .principles { grid-template-columns: 1fr; gap: .6rem; }
  .principles p, .principles p:nth-child(2), .principles p:nth-child(3) { text-align: left; }
  .inside, .method-grid, .download { grid-template-columns: 1fr; gap: 4rem; padding-block: 90px; }
  .section-heading { position: static; }
  footer { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 520px) {
  .site-header { min-height: 76px; }
  h1 { font-size: 3.8rem; }
  h2 { font-size: 3rem; }
  .hero { padding-block: 50px 70px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-art { min-height: 470px; }
  .hero-art > p { right: 0; bottom: 8px; }
  .sun { width: 82vw; }
  .botanical { display: none; }
  .contents-list li { grid-template-columns: 44px 1fr; }
  .method-grid { gap: 2.5rem; }
  .download-options a { grid-template-columns: 1fr auto; }
  .download-options small { grid-row: 2; }
  .download-options b { grid-row: 1 / 3; grid-column: 2; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}