:root {
  color-scheme: light;
  --ink: #182a2b;
  --paper: #f6f7f2;
  --white: #fffefa;
  --muted: #617071;
  --line: #d9dfd8;
  --coral: #e87054;
  --mint: #b8dbce;
  --blue: #557f91;
  --yellow: #f1c765;
  --sans: "Avenir Next", Avenir, "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --serif: "Songti SC", "Noto Serif CJK SC", "SimSun", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
}

.brand-bar {
  min-height: 68px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}

.brand-bar-inner {
  width: min(1240px, calc(100% - 12vw));
  min-height: 68px;
  display: flex;
  align-items: center;
  margin: 0 auto;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 1px;
}

.brand-monogram {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--coral);
  color: white;
  font-family: var(--serif);
  font-size: 16px;
}

button,
a {
  color: inherit;
  font: inherit;
}

a {
  text-decoration: none;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

main {
  overflow: hidden;
}

.timeline-section {
  width: min(1240px, calc(100% - 12vw));
  margin-right: auto;
  margin-left: auto;
}

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

.timeline-section {
  padding-top: 56px;
  padding-bottom: 86px;
}

.section-heading {
  margin-bottom: 25px;
}

.section-heading h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 500;
  line-height: 1.2;
}

.timeline-toolbar {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.year-filters {
  display: flex;
  align-items: center;
  gap: 7px;
}

.filter-button {
  min-width: 58px;
  min-height: 31px;
  padding: 5px 12px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: #687574;
  cursor: pointer;
  font-size: 11px;
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.filter-button:hover {
  border-color: #bdc9c0;
  color: var(--ink);
}

.filter-button[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: white;
}

.entry-count {
  margin: 0;
  color: #87928c;
  font-size: 9px;
  letter-spacing: 1px;
}

.timeline-list {
  position: relative;
  padding-top: 28px;
}

.timeline-list::before {
  position: absolute;
  top: 28px;
  bottom: 34px;
  left: 110px;
  width: 1px;
  background: #c7d1c9;
  content: "";
}

.timeline-row {
  position: relative;
  display: grid;
  grid-template-columns: 95px minmax(0, 1fr);
  gap: 31px;
  padding: 0 0 30px;
}

.timeline-row:last-child {
  padding-bottom: 0;
}

.timeline-date {
  position: relative;
  padding-top: 7px;
  text-align: right;
}

.timeline-date::after {
  position: absolute;
  top: 11px;
  right: -20px;
  z-index: 1;
  width: 9px;
  height: 9px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 1px var(--coral);
  content: "";
}

.timeline-year {
  display: block;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.1;
}

.timeline-day {
  display: block;
  margin-top: 6px;
  color: #89938c;
  font-size: 9px;
  letter-spacing: 0.4px;
}

.timeline-time {
  display: block;
  margin-top: 3px;
  color: #89938c;
  font-size: 9px;
}

.memory-card {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(220px, 0.88fr);
  min-height: 300px;
  overflow: hidden;
  border: 1px solid #d8dfd8;
  border-radius: 4px;
  background: var(--white);
  transition: border-color 160ms ease, transform 160ms ease;
}

.memory-card:hover {
  transform: translateY(-2px);
  border-color: #9eb1a8;
}

.memory-card.is-reversed .memory-frame {
  order: 2;
}

.memory-card.is-reversed .memory-copy {
  order: 1;
}

.memory-frame {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  padding: 0;
  border: 0;
  background: #d5e4dc;
  cursor: pointer;
  text-align: left;
}

.memory-frame img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  display: block;
  object-fit: cover;
  transition: transform 280ms ease;
}

.memory-frame:hover img {
  transform: scale(1.025);
}

.frame-open {
  position: absolute;
  right: 11px;
  bottom: 11px;
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 70%);
  border-radius: 50%;
  background: rgb(24 42 43 / 70%);
  color: white;
  font-size: 16px;
  line-height: 1;
}

.memory-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 27px 30px;
}

.memory-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.4;
}

.memory-location {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.loading-state,
.error-state {
  padding: 35px 0;
  color: var(--muted);
  font-size: 13px;
}

.memory-dialog {
  width: min(860px, calc(100% - 32px));
  max-width: none;
  max-height: min(90vh, 900px);
  overflow: auto;
  padding: 0;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 22px 90px rgb(12 30 31 / 28%);
}

.memory-dialog::backdrop {
  background: rgb(12 27 28 / 77%);
  backdrop-filter: blur(3px);
}

.dialog-close {
  position: absolute;
  z-index: 1;
  top: 13px;
  right: 13px;
  width: 36px;
  height: 36px;
  border: 1px solid rgb(255 255 255 / 75%);
  border-radius: 50%;
  background: rgb(24 42 43 / 72%);
  color: white;
  cursor: pointer;
  font-size: 23px;
  line-height: 1;
}

.dialog-image-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #d5e4dc;
}

.dialog-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.dialog-details {
  padding: 20px 28px 24px;
}

.dialog-date {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 10px;
  letter-spacing: 0.6px;
}

.dialog-details h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 500;
}

.dialog-location {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 900px) {
  .brand-bar-inner {
    width: min(100% - 48px, 720px);
  }

  .timeline-section {
    width: min(100% - 48px, 720px);
  }

  .memory-card {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 0.9fr);
  }

  .memory-copy {
    padding: 22px;
  }
}

@media (max-width: 620px) {
  .timeline-section {
    width: calc(100% - 40px);
  }

  .brand-bar-inner {
    width: calc(100% - 40px);
    min-height: 60px;
  }

  .brand-bar {
    min-height: 60px;
  }

  .brand-monogram {
    width: 28px;
    height: 28px;
  }

  .timeline-section {
    padding-top: 34px;
    padding-bottom: 56px;
  }

  .section-heading h1 {
    font-size: 36px;
  }

  .timeline-toolbar {
    min-height: 51px;
  }

  .year-filters {
    gap: 2px;
  }

  .filter-button {
    min-width: 48px;
    min-height: 29px;
    padding: 4px 8px;
    font-size: 10px;
  }

  .entry-count {
    font-size: 8px;
  }

  .timeline-list {
    padding-top: 20px;
  }

  .timeline-list::before {
    top: 19px;
    bottom: 25px;
    left: 0;
  }

  .timeline-row {
    grid-template-columns: 1fr;
    gap: 11px;
    padding: 0 0 28px 17px;
  }

  .timeline-date {
    padding: 0;
    text-align: left;
  }

  .timeline-date::after {
    top: 4px;
    right: auto;
    left: -21px;
    width: 7px;
    height: 7px;
  }

  .timeline-year,
  .timeline-day {
    display: inline;
  }

  .timeline-year {
    font-size: 15px;
  }

  .timeline-day {
    margin: 0 0 0 9px;
    font-size: 9px;
  }

  .memory-card,
  .memory-card.is-reversed {
    grid-template-columns: 1fr;
  }

  .memory-card.is-reversed .memory-frame,
  .memory-card.is-reversed .memory-copy {
    order: initial;
  }

  .memory-frame {
    min-height: 0;
    aspect-ratio: 1.55 / 1;
  }

  .memory-copy {
    min-height: 108px;
    padding: 17px 18px;
  }

  .memory-title {
    font-size: 20px;
  }

  .dialog-image-wrap {
    aspect-ratio: 4 / 3;
  }

  .dialog-details {
    padding: 22px 20px 28px;
  }

  .dialog-details h2 {
    font-size: 24px;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}