:root {
  --bg: #170307;
  --bg-elev: #240710;
  --border: #3d0d16;
  --text: #f7e6e9;
  --text-muted: #c39ba3;
  --accent: #e0a4b0;
  --accent-hover: #f0cdd4;
  --accent-contrast: #7c0116;
  --radius: 14px;
  --maxw: 1040px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #4a0a14 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
}

.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.nav__brand img {
  border-radius: 8px;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 15px;
  transition: transform 0.08s ease, background 0.15s ease, border-color 0.15s ease;
  border: 1px solid transparent;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--accent);
  color: var(--accent-contrast);
}

.btn--primary:hover {
  background: var(--accent-hover);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn--ghost:hover {
  border-color: var(--accent);
}

.hero {
  text-align: center;
  padding: 72px 0 40px;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  max-width: 620px;
  margin: 0 auto 32px;
  color: var(--text-muted);
  font-size: 1.15rem;
}

.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__note {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.platforms {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  padding: 24px 0 56px;
  color: var(--text-muted);
}

.platforms__label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
}

.platforms__list {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-weight: 600;
  color: var(--text);
  flex-wrap: wrap;
  justify-content: center;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  padding: 16px 0 64px;
}

.feature {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature__icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.how {
  padding: 24px 0 64px;
}

.how h2 {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 36px;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
  max-width: 680px;
  margin: 0 auto;
}

.steps li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.steps__num {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-contrast);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.steps h3 {
  margin: 4px 0 4px;
  font-size: 1.05rem;
}

.steps p {
  margin: 0;
  color: var(--text-muted);
}

code {
  background: #2c0810;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 0.9em;
  color: #e8c3ca;
}

.cta {
  text-align: center;
  padding: 40px 0 72px;
}

.cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 24px;
}

.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px 24px 56px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text);
}

.footer__muted {
  color: var(--text-muted);
  font-size: 0.85rem;
}