:root {
  --bg: #faf7f2;
  --bg-alt: #f1ece3;
  --ink: #221f1c;
  --ink-soft: #5a5450;
  --accent: #b3502f;
  --line: #ddd4c7;
  --card-bg: #ffffff;
  --shadow: 0 12px 30px -18px rgba(34, 31, 28, 0.35);
  --radius: 14px;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.hero {
  max-width: 780px;
  margin: 0 auto;
  padding: 5.5rem 1.5rem 3rem;
  text-align: center;
}

.eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent);
  margin: 0 0 1.1rem;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  font-optical-sizing: auto;
}

.subtitle {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 auto 1.4rem;
}

.byline {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.toc {
  display: flex;
  justify-content: center;
  gap: 0.5rem 1.8rem;
  flex-wrap: wrap;
  padding: 1rem 1.5rem 2.5rem;
  border-bottom: 1px solid var(--line);
  max-width: 900px;
  margin: 0 auto;
}

.toc a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.92rem;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.toc a:hover {
  text-decoration: none;
  border-bottom-color: var(--accent);
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.part {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--line);
}

.part:last-child { border-bottom: none; }

.part-heading {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
}

.part-number {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.part h2 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0;
  font-weight: 600;
}

.intro {
  color: var(--ink-soft);
  font-size: 1.02rem;
  margin: 0 0 2.2rem;
}

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 680px) {
  .compare { grid-template-columns: 1fr; }
}

figure {
  margin: 0;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 0.7rem;
  box-shadow: var(--shadow);
}

.frame {
  aspect-ratio: 4 / 5;
  border-radius: calc(var(--radius) - 4px);
  overflow: hidden;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

figcaption {
  padding: 0.85rem 0.4rem 0.3rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  text-align: center;
}

figcaption strong { color: var(--ink); }

/* Graceful placeholder state when an image file hasn't been dropped in yet */
figure.missing .frame img { display: none; }
figure.missing .frame {
  position: relative;
}
figure.missing .frame::before {
  content: "Drop the photo here";
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-soft);
  border: 2px dashed var(--line);
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
}

.gif-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--card-bg);
  padding: 0.7rem;
  margin: 0 auto 2rem;
  max-width: 420px;
}

.gif-wrap img {
  width: 100%;
  display: block;
  border-radius: calc(var(--radius) - 4px);
}

.gif-wrap.missing {
  position: relative;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gif-wrap.missing img { display: none; }
.gif-wrap.missing::before {
  content: "Drop the dolly zoom GIF here";
  font-size: 0.9rem;
  color: var(--ink-soft);
  border: 2px dashed var(--line);
  border-radius: 10px;
  padding: 2rem 3rem;
}

footer {
  text-align: center;
  padding: 3rem 1.5rem 4rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}