:root {
  color-scheme: dark;
  --background: #171918;
  --text: #f7f8f4;
  --muted: #b3b9b3;
  --green: #00dc78;
  --line: #323631;
  font-family: Arial, Helvetica, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--text); }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--text); outline-offset: 6px; }
img { display: block; max-width: 100%; }
::selection { background: var(--green); color: #07190e; }

.page { width: min(100% - 5rem, 1180px); margin-inline: auto; }
.header { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 1.75rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; border-radius: .4rem; }
.brand__image { width: 52px; height: 52px; border-radius: 50%; }
.brand__name { font-size: 1.05rem; font-weight: 700; line-height: 1.12; letter-spacing: -.025em; }
.brand__name span { display: block; color: var(--green); }

.hero { display: grid; grid-template-columns: minmax(0, 1fr); align-items: center; justify-items: center; min-height: calc(100svh - 202px); padding-block: 4rem; text-align: center; }
.hero__content { width: 100%; max-width: 680px; }
.eyebrow { margin: 0 0 1.35rem; color: var(--green); font-size: .875rem; font-weight: 700; line-height: 1.5; letter-spacing: .09em; }
h1 { margin: 0; font-size: clamp(2.8rem, 5.1vw, 4.5rem); font-weight: 800; line-height: 1.04; letter-spacing: -.048em; }
h1 span { color: var(--green); }
.intro { max-width: 43ch; margin: 1.65rem auto 1.9rem; color: var(--muted); font-size: 1.125rem; line-height: 1.6; }
.cta { display: inline-flex; align-items: center; justify-content: center; gap: 1.15rem; max-width: 100%; min-height: 62px; padding: 1.1rem 1.5rem; background: var(--green); color: #072315; border: 2px solid transparent; border-radius: 12px; text-align: center; text-decoration: none; font-size: 1rem; font-weight: 700; line-height: 1.35; transition: background-color .15s ease, border-color .15s ease; }
.cta svg { flex: 0 0 24px; }
.cta { animation: cta-pulse 1.8s ease-in-out infinite; }
@keyframes cta-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.035); }
}
.cta:hover, .cta:focus-visible { animation: none; }
.cta:hover { background: #43ed9f; }
.cta:active { background: #00c96e; }
.cta__note { margin: .8rem 0 0; color: #969f96; font-size: .8125rem; line-height: 1.5; }

.footer { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); padding-block: 1.5rem; color: #9ba49b; font-size: .8125rem; line-height: 1.5; }

@media (min-width: 1600px) { .hero { min-height: 700px; } }
@media (max-width: 900px) {
  .page { width: min(100% - 3rem, 680px); }
  .hero { min-height: auto; padding-block: 3rem; }
  h1 { font-size: clamp(2.75rem, 8vw, 4rem); }
  .intro { max-width: 48ch; }
}
@media (max-width: 480px) {
  .page { width: calc(100% - 2.5rem); }
  .header { padding-block: 1.1rem; gap: 1rem; }
  .brand__image { width: 44px; height: 44px; }
  .brand__name { font-size: .95rem; }
  .hero { padding-top: 2.25rem; padding-bottom: 2.5rem; }
  .eyebrow { font-size: .8125rem; letter-spacing: .065em; margin-bottom: 1rem; }
  h1 { font-size: clamp(2.55rem, 10.4vw, 3rem); }
  .intro { font-size: 1rem; margin-block: 1.4rem 1.6rem; line-height: 1.6; }
  .cta { width: 100%; gap: .7rem; padding-inline: .8rem; font-size: .9375rem; }
  .cta__note { text-align: center; }
  .footer { flex-direction: column; gap: .3rem; }
}
@media (prefers-reduced-motion: reduce) { .cta { animation: none; transition: none; } }