/* Cloudinary palette */
:root {
  --navy: #0c163b;
  --navy-2: #172255;
  --blue: #3448c5;
  --blue-bright: #3f5fff;
  --sky: #0095ff;
  --cyan: #5fe5fa;
  --lime: #d5fda1;
  --coral: #ff5050;
  --ink: #0c163b;
  --ink-soft: #3d4766;
  --muted: #6b7393;
  --line: #e3e7f3;
  --bg: #f5f7fd;
  --card: #ffffff;
  --radius: 14px;
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  color: #fff;
  background:
    radial-gradient(circle at 85% 0%, rgb(63 95 255 / 0.45), transparent 55%),
    radial-gradient(circle at 0% 100%, rgb(0 149 255 / 0.25), transparent 50%), var(--navy);
  padding: 56px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
}

.preview {
  margin: 0;
  text-align: center;
}

.preview img {
  display: block;
  width: 260px;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgb(255 255 255 / 0.12);
  box-shadow:
    0 0 0 1px rgb(95 229 250 / 0.15),
    0 0 32px rgb(63 95 255 / 0.55),
    0 0 72px rgb(95 229 250 / 0.2),
    0 24px 48px rgb(0 0 0 / 0.45);
}

.preview figcaption {
  margin-top: 12px;
  font-size: 12px;
  color: #9aa5d4;
}

@media (max-width: 640px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .preview img {
    margin: 0 auto;
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cyan);
}

.brand img {
  border-radius: 10px;
}

.hero h1 {
  margin: 20px 0 8px;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0;
  max-width: 560px;
  font-size: 17px;
  color: #c9d1f2;
}

.cta {
  margin-top: 32px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--navy);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgb(213 253 161 / 0.25);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgb(213 253 161 / 0.35);
}

.btn-primary:focus-visible,
.copy:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.meta {
  margin: 14px 0 0;
  font-size: 13px;
  color: #9aa5d4;
}

/* Content */
main.wrap {
  margin-top: -28px;
  display: grid;
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 28px 24px;
  box-shadow: 0 1px 2px rgb(12 22 59 / 0.04);
}

.card h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 6px;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.num {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
}

.note {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
}

.steps {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 12px;
  color: var(--ink-soft);
}

.steps li::marker {
  color: var(--blue);
  font-weight: 700;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: #eef1fb;
  color: var(--blue);
  padding: 2px 6px;
  border-radius: 6px;
}

.copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  cursor: pointer;
}

.copy-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sky);
}

.warn {
  border-left: 4px solid var(--coral);
}

.facts {
  margin: 10px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  color: var(--ink-soft);
}

/* Changelog (rendered from CHANGELOG.md) */
.changelog {
  color: var(--ink-soft);
  font-size: 14px;
}

.changelog h3 {
  margin: 24px 0 4px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 16px;
  color: var(--ink);
}

.changelog h3:first-child {
  margin-top: 8px;
  padding-top: 0;
  border-top: 0;
}

.changelog h4 {
  margin: 12px 0 4px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blue);
}

.changelog ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 4px;
}

.footer {
  padding-top: 32px;
  padding-bottom: 48px;
  font-size: 13px;
  color: var(--muted);
}