:root {
  --snow: #fbfcfd;
  --slate: #23303b;
  --muted: #5b6b78;
  --glacier: #2f7fa8;
  --line: #d5e3ec;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--snow);
  color: var(--slate);
  line-height: 1.6;
}

/* Hero */
.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% 40%;
  cursor: zoom-in;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 25, 40, .75), rgba(10, 25, 40, 0) 60%);
  pointer-events: none;
}
.hero-text {
  position: relative;
  z-index: 1;
  max-width: 44rem;
  padding: 2rem 1rem 2.5rem;
  margin: 0 auto;
  width: 100%;
  color: #fff;
}
.site {
  margin: 0;
  font-size: .9rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  opacity: .85;
}
h1 {
  margin: .2rem 0 .8rem;
  font-size: clamp(2.2rem, 7vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
}
.tagline {
  margin: -.4rem 0 1rem;
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  font-style: italic;
  opacity: .9;
}
.intro {
  margin: 0;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  max-width: 36rem;
}

/* Body */
main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 4rem;
}
.adze {
  margin: 0 0 3rem;
  padding-left: 1rem;
  border-left: 3px solid var(--glacier);
  color: var(--muted);
  font-style: italic;
}

/* Timeline */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}
.timeline li {
  position: relative;
  padding: 0 0 2.5rem 2rem;
  border-left: 2px solid var(--line);
}
.timeline li:last-child { border-left-color: transparent; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -8px;
  top: .35rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--snow);
  border: 3px solid var(--glacier);
}
h2 {
  margin: 0 0 .3rem;
  font-size: 1.2rem;
  line-height: 1.3;
}
.timeline p { margin: 0; }
.timeline .more { margin-top: .8rem; }
a { color: var(--glacier); font-weight: 600; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Photos beside each step */
.photos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: .5rem;
  margin-top: 1rem;
}
.photos img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  cursor: zoom-in;
  display: block;
}

/* Lightbox */
.lightbox {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: 95vw;
  max-height: 95vh;
}
.lightbox::backdrop { background: rgba(10, 20, 30, .9); }
.lightbox figure { margin: 0; }
.lightbox img {
  display: block;
  max-width: 95vw;
  max-height: 88vh;
  cursor: zoom-out;
}
.lightbox figcaption {
  color: #fff;
  padding: .6rem .2rem 0;
  font-size: .95rem;
}