:root {
  --bg: #faf9f7;
  --ink: #14171c;
  --ink-soft: #5b6068;
  --ink-faint: #8a8f97;
  --grid-line: rgba(20, 23, 28, 0.07);
  --accent: #ff5a1f;
  --accent-soft: rgba(255, 90, 31, 0.14);
  --card-bg: #ffffff;
  --card-border: #e8e5e0;
  --added: #16a34a;
  --improved: #2563eb;
  --fixed: #d97706;

  --font-wordmark: "Array", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Switzer", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Roboto Mono", Menlo, monospace;

  --grid-cell: 88px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Grid background */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-cell) var(--grid-cell);
  background-position: center top;
  mask-image: radial-gradient(
    ellipse 90% 70% at 50% 30%,
    black 40%,
    transparent 100%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 90% 70% at 50% 30%,
    black 40%,
    transparent 100%
  );
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  max-width: var(--container);
  margin: 0 auto;
  padding: 2.5rem 2rem 2rem;
}

.top-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.wordmark {
  font-family: var(--font-wordmark);
  font-weight: 700;
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

.content {
  flex: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  padding: 3rem 0;
}

.hero h1 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 500;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
}

.hero h1 .highlight {
  color: var(--ink);
  font-weight: 600;
}

.highlight {
  position: relative;
  white-space: normal;
}

.highlight::after {
  content: "";
  position: absolute;
  left: -0.1em;
  right: -0.1em;
  bottom: 0.06em;
  height: 0.34em;
  background: var(--accent-soft);
  z-index: -1;
  border-radius: 2px;
}

.sub {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 34rem;
  margin: 0;
  font-weight: 400;
}

/* Changelog card — the signature element */
.changelog-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1.5rem 1.5rem 1.35rem;
  box-shadow:
    0 1px 2px rgba(20, 23, 28, 0.04),
    0 24px 48px -24px rgba(20, 23, 28, 0.18);
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 0.9rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid var(--card-border);
}

.version {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.95rem;
}

.timestamp {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
}

.entries {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.entry {
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--ink);
  opacity: 0;
  transform: translateY(6px);
  animation: entry-in 0.5s ease-out forwards;
  animation-delay: calc(var(--i) * 0.35s + 0.2s);
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  margin-right: 0.5rem;
}

.tag--added {
  color: var(--added);
  background: rgba(22, 163, 74, 0.1);
}

.tag--improved {
  color: var(--improved);
  background: rgba(37, 99, 235, 0.1);
}

.tag--fixed {
  color: var(--fixed);
  background: rgba(217, 119, 6, 0.1);
}

.writing-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--card-border);
  opacity: 0;
  animation: entry-in 0.5s ease-out forwards;
  animation-delay: calc(var(--i) * 0.35s + 0.2s);
}

.cursor {
  display: inline-block;
  width: 0.5em;
  height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-right: 0.4em;
  animation: blink 1s step-end infinite;
}

@keyframes entry-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .entry,
  .writing-line {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .cursor {
    animation: none;
  }
}

.footer {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
  text-align: center;
  padding-top: 1.5rem;
}

@media (max-width: 860px) {
  .content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2rem 0;
  }

  .top-row {
    flex-direction: row;
  }
}