:root {
  color-scheme: dark;
  font-family: Inter, system-ui, sans-serif;
  background: #09090e;
  color: #f4f4f8;
  --accent: #8b7cff;
  --surface: #12121a;
  --border: #2a2a38;
  --muted: #9898a8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a {
  color: var(--accent);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #222;
}

.logo {
  color: inherit;
  text-decoration: none;
}

nav a {
  color: #b8b8c8;
  margin-left: 1rem;
  text-decoration: none;
}

nav a:hover {
  color: #f4f4f8;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  flex: 1;
}

section {
  margin-bottom: 3rem;
}

section:last-child {
  margin-bottom: 0;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.35rem;
  margin: 0 0 0.75rem;
}

p {
  margin: 0 0 1rem;
}

p:last-child {
  margin-bottom: 0;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.lead {
  font-size: 1.05rem;
  color: #d8d8e4;
}

.hero-note {
  margin-top: 1rem;
  font-size: 0.95rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  border: 1px solid transparent;
}

.button-outline {
  background: transparent;
  border-color: var(--border);
  color: #f4f4f8;
}

.button-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.button-disabled {
  opacity: 0.85;
  cursor: default;
}

.screenshots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}

.screenshots figure {
  margin: 0;
}

.screenshots img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.screenshots figcaption {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.steps li {
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
}

.steps strong {
  display: block;
  margin-bottom: 0.25rem;
}

.steps span {
  color: #c8c8d4;
  font-size: 0.95rem;
}

.features {
  padding-left: 1.25rem;
  margin: 0;
}

.features li {
  margin-bottom: 0.75rem;
  color: #c8c8d4;
}

.features li:last-child {
  margin-bottom: 0;
}

.features strong {
  color: #f4f4f8;
}

.card-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin: 1rem 0;
}

.card button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1rem;
  cursor: pointer;
}

.closing {
  text-align: center;
  padding: 2rem 0 0;
  border-top: 1px solid #222;
}

footer {
  border-top: 1px solid #222;
  padding: 2rem 1.5rem;
  text-align: center;
}

footer p {
  margin-bottom: 0.5rem;
}

footer a {
  color: var(--muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--accent);
}

.footer-tag {
  font-size: 0.85rem;
  margin-top: 1rem;
}

.error { color: #ff6b6b; }
.muted { color: var(--muted); }

@media (max-width: 540px) {
  .screenshots {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
  }

  .cta-row {
    flex-direction: column;
  }

  .cta-row .button {
    text-align: center;
  }
}