@property --ambient-bg {
  syntax: "<color>";
  inherits: true;
  initial-value: #f4ead2;
}

:root {
  color-scheme: light;
  --surface: #ffffff;
  --text: #1f2430;
  --muted: #667085;
  --line: #d0d5dd;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background-color: #f8f7f5;
}

#ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-color: color-mix(in srgb, var(--ambient-bg) 68%, #f8f7f5 32%);
  transition: --ambient-bg 0.4s ease;
}

.page-header {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1rem 2.5rem;
  margin-bottom: 1rem;
  border-bottom: none;
}

.page-header h1 {
  margin: 0;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 2.6rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-header p {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#timeline {
  max-width: 960px;
  margin: 0 auto 3rem;
  padding: 0 1rem;
  position: relative;
}

#timeline::before {
  content: "";
  position: absolute;
  left: 1.3rem;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    #b8a99a 3rem,
    #b8a99a 60%,
    transparent 100%
  );
}

.month-marker {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 3.5rem 0 0.25rem;
  padding: 0 0.2rem;
}

.month-marker::before,
.month-marker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #b8a99a;
  opacity: 0.6;
}

.month-marker span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.date-node {
  margin: 1.5rem 0 0.6rem 1.8rem;
  padding-left: 0.2rem;
  position: relative;
}

.date-node::before {
  content: "";
  position: absolute;
  left: -1.1rem;
  top: 0.42rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: #344054;
  background: color-mix(in srgb, var(--node-color, var(--line)) 50%, #344054 50%);
  box-shadow: 0 0 0 4px var(--surface);
}

.date-node time {
  font-family: ui-serif, Georgia, serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.date-node .location-pin {
  color: var(--muted);
  font-size: 0.85rem;
  margin-left: 0.5rem;
}

.entry {
  background: var(--surface);
  border-radius: 12px;
  margin: 0 0 0.75rem 2.2rem;
  padding: 1.1rem;
  position: relative;
  border-left: 3px solid #b8a99a;
  color: var(--entry-text-color, var(--text));
  box-shadow:
    0 2px 14px rgba(0, 0, 0, 0.07),
    0 1px 3px rgba(0, 0, 0, 0.05),
    inset 0 0 0 1px rgba(0, 0, 0, 0.05);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.entry--visible {
  opacity: 1;
  transform: none;
}

.entry::before {
  content: "";
  position: absolute;
  left: -0.75rem;
  top: 1.4rem;
  width: 0.45rem;
  height: 2px;
  background: #b8a99a;
}

.entry .photo-caption {
  margin: 0.7rem 0 0;
  color: var(--entry-caption-color, var(--muted));
  font-family: ui-serif, Georgia, serif;
  font-size: 0.92rem;
  line-height: 1.65;
}

.entry .entry-location {
  display: block;
  margin-top: 0.4rem;
  color: var(--entry-caption-color, var(--muted));
  font-size: 0.8rem;
  opacity: 0.8;
}

.entry .entry-location::before {
  content: "· ";
  opacity: 0.6;
}

.entry .photo-figure {
  margin: 0;
}

.entry .photo-figure img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  display: block;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

@media (max-width: 640px) {
  #timeline::before {
    left: 1.1rem;
  }

  .month-marker {
    margin: 2.5rem 0 0.25rem 0;
  }

  .date-node {
    margin-left: 1.5rem;
    margin-top: 1rem;
  }

  .date-node::before {
    left: -0.9rem;
  }

  .entry {
    margin-left: 1.9rem;
    margin-bottom: 0.6rem;
  }

  .entry::before {
    left: -0.55rem;
  }

  .entry .photo-figure img {
    max-height: 260px;
  }
}

@media (min-width: 641px) {
  #timeline::before {
    left: calc(50% - 1px);
  }

  .date-node {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: left;
    margin: 2rem 0 0.75rem 0;
    padding-left: calc(50% + 1.5rem);
    min-height: 1.5rem;
  }

  .date-node::before {
    left: calc(50% - 0.4rem);
  }

  .date-node time,
  .date-node .location-pin {
    position: relative;
    z-index: 1;
  }

  .entry {
    width: calc(50% - 2.5rem);
    margin: 0 0 1rem 0;
  }

  .entry--right {
    margin: 0 0 1rem calc(50% + 1.5rem);
  }

  .entry--left {
    margin: 0 calc(50% + 1.5rem) 1rem 0;
    border-left: none;
    border-right: 3px solid #b8a99a;
  }

  .entry--right::before {
    left: -0.75rem;
    right: auto;
  }

  .entry--left::before {
    left: auto;
    right: -0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  #ambient-bg {
    transition: none;
  }

  .entry {
    opacity: 1;
    transform: none;
    transition: none;
  }
}