:root {
  color-scheme: light;
  --sand: #faf7ee;
  --rough: #173d2d;
  --putting: #a9c86d;
  --rule: rgb(23 61 45 / 38%);
  --serif: Georgia, "Times New Roman", serif;
  --label: system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--sand);
  color: var(--rough);
  font: 1rem/1.6 var(--serif);
}

h1, h2, p, figure { margin: 0; }

.program {
  width: min(92%, 76rem);
  margin-inline: auto;
}

.masthead {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .25rem 1rem;
  border-bottom: 1px solid var(--rough);
  padding-block: .85rem;
  font: 650 .7rem/1.5 var(--label);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero { padding-block: 1.75rem 2rem; }

.hero-copy {
  text-align: center;
  align-self: center;
  margin-bottom: 1.5rem;
}

.hero-copy h1 img {
  display: block;
  width: min(100%, 26rem);
  height: auto;
  margin-inline: auto;
}

.hero-line {
  margin-block: .8rem 1.1rem;
  font-size: clamp(1.45rem, 3vw, 2.5rem);
  font-style: italic;
  line-height: 1.15;
  text-wrap: balance;
}

.hero-details {
  display: grid;
  width: fit-content;
  margin-inline: auto;
  padding: .65rem .9rem 0;
  border-top: 1px solid var(--rule);
  font-size: 1.08rem;
}

.hero-details time { font-weight: bold; }

.photo {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hero-photo { aspect-ratio: 1400 / 837; }

figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .25rem 1rem;
  border-bottom: 1px solid var(--rule);
  padding-block: .5rem;
  font: 600 .67rem/1.5 var(--label);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.spread {
  display: grid;
  align-items: center;
  gap: 1.75rem;
  padding-block: clamp(2.25rem, 5.5vw, 5rem);
  border-top: 1px solid var(--rule);
}

.spread-copy { padding-inline: clamp(.5rem, 3vw, 3rem); }

.folio {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin-bottom: .9rem;
  font: 650 .72rem/1.5 var(--label);
  letter-spacing: .15em;
  text-transform: uppercase;
}

.folio span { border-bottom: 2px solid var(--putting); }

h2 {
  font-weight: normal;
  font-size: clamp(2.25rem, 4.8vw, 4.75rem);
  line-height: 1.03;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.body-copy, address {
  max-width: 36ch;
  margin-top: 1.1rem;
  font-size: clamp(1.08rem, 1.6vw, 1.35rem);
  font-style: normal;
}

.spread-photo { aspect-ratio: 4 / 3; }
.pond { object-position: center 62%; }
.clubhouse { object-position: center 64%; }

.closing {
  position: relative;
  isolation: isolate;
  border: 1px solid var(--rough);
  padding: clamp(2rem, 6vw, 5rem) 1.1rem;
  text-align: center;
}

.closing::before {
  position: absolute;
  inset: .4rem;
  z-index: -1;
  border: 1px solid var(--rule);
  content: "";
}

.ornament { display: block; margin: 0 auto .75rem; }
.closing-date { margin-top: .9rem; font-size: 1.2rem; }
.private-note { margin: .75rem 0 1rem; }

button {
  min-height: 48px;
  padding: .75rem 1.4rem;
  border: 1px solid var(--rough);
  border-radius: 0;
  background: var(--rough);
  color: var(--sand);
  cursor: pointer;
  font: 650 .9rem/1.4 var(--label);
}

button:hover { background: var(--sand); color: var(--rough); }
button:active { background: var(--putting); color: var(--rough); }
button:focus-visible { outline: 2px solid var(--rough); outline-offset: 4px; }
.registration-status:not(:empty) { margin-top: .85rem; }
.footer { border: 0; padding-block: 1.25rem; }

@media (min-width: 54rem) {
  .hero {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    gap: clamp(1.5rem, 4vw, 4rem);
    padding-block: 2.25rem 3rem;
  }

  .hero-copy { margin: 0; }
  .hero-photo { aspect-ratio: 1.45; }
  .spread { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .welcome .spread-photo { grid-area: 1 / 1; }
  .welcome .spread-copy { grid-area: 1 / 2; }
  .venue { grid-template-columns: minmax(0, 6fr) minmax(0, 4fr); }
}

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) and (animation-range: entry 0% entry 65%) {
    .spread-copy,
    .spread-photo,
    .ornament {
      animation: course-reveal linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 65%;
    }
  }
}

@keyframes course-reveal {
  from { opacity: .45; transform: translateY(.75rem); }
  to { opacity: 1; transform: translateY(0); }
}

.outing-nav { display: flex; justify-content: flex-end; position: relative; z-index: 1; padding-top: .45rem; }
.outing-nav details { position: relative; }
.outing-nav summary {
  display: flex;
  align-items: center;
  gap: .35rem;
  min-height: 44px;
  cursor: pointer;
  font: 650 .8rem/1.4 var(--label);
  list-style: none;
}
.outing-nav summary::-webkit-details-marker { display: none; }
.outing-nav svg { width: 52px; height: 48px; }
.outing-nav ul {
  position: absolute;
  inset-inline-end: 0;
  min-width: 10rem;
  background: var(--sand);
  border: 1px solid var(--rough);
  list-style: none;
  padding: .25rem .75rem;
  margin: 0;
}
.outing-nav a { display: block; padding: .65rem 0; color: var(--rough); }
.outing-nav :focus-visible { outline: 2px solid var(--rough); outline-offset: 3px; }
.outing-nav .bread { transition: transform 240ms cubic-bezier(.2,.75,.25,1); }
.outing-nav details[open] .top { transform: translateY(-19px); }
.outing-nav details[open] .bottom { transform: translateY(19px); }
@media (prefers-reduced-motion: reduce) {
  .outing-nav .bread { transition: none; }
}