:root {
  color-scheme: dark;
  --background: #07110d;
  --surface: #0d1a15;
  --border: rgba(193, 255, 220, 0.13);
  --text: #f3f8f5;
  --muted: #9aada3;
  --green: #70f5a8;
  --green-dark: #173f2a;
  --blue: #7dc8ff;
  --gold: #f1cf78;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  background: radial-gradient(circle at 75% 20%, rgba(71, 218, 135, 0.1), transparent 29rem), var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  border-radius: 0.5rem;
  background: var(--text);
  color: var(--background);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.site-header,
footer {
  width: min(calc(100% - 3rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  display: flex;
  min-height: 5.5rem;
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.05rem;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  border-radius: 0.65rem;
  background: var(--green);
  color: #07110d;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  transform: rotate(-4deg);
}

nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

nav a:hover,
nav a:focus-visible { color: var(--text); }

.nav-cta {
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
}

.hero {
  display: grid;
  width: min(calc(100% - 3rem), var(--max-width));
  min-height: calc(100vh - 5.5rem);
  margin: 0 auto;
  padding: 6rem 0;
  align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(24rem, 0.95fr);
  gap: clamp(3rem, 7vw, 7rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.4rem;
  color: var(--green);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0.3rem rgba(112, 245, 168, 0.12);
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 12ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3.4rem, 7vw, 6.7rem);
  line-height: 0.93;
  letter-spacing: -0.072em;
}

.hero-description {
  max-width: 37rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.button {
  display: inline-flex;
  min-height: 3.15rem;
  padding: 0 1.25rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.7rem;
  font-size: 0.9rem;
  font-weight: 760;
  transition: transform 160ms ease;
}

.button:hover,
.button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--green); color: #07110d; }
.button-secondary { border: 1px solid var(--border); background: rgba(255, 255, 255, 0.025); }

.proof { display: flex; margin-top: 3.2rem; gap: 2rem; }
.proof div { display: grid; gap: 0.15rem; }
.proof strong { font-size: 1.3rem; }
.proof span { color: var(--muted); font-size: 0.73rem; letter-spacing: 0.04em; text-transform: uppercase; }

.feed-shell {
  position: relative;
  overflow: hidden;
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: rgba(13, 26, 21, 0.85);
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.35);
}

.feed-shell::before {
  position: absolute;
  top: -6rem;
  right: -5rem;
  width: 12rem;
  height: 12rem;
  border-radius: 50%;
  background: rgba(112, 245, 168, 0.1);
  content: "";
  filter: blur(2rem);
}

.feed-header,
.feed-footer,
.signal-meta { display: flex; align-items: center; justify-content: space-between; }
.feed-header { position: relative; padding: 0.45rem 0.35rem 1.2rem; }
.feed-label { margin-bottom: 0.18rem; color: var(--muted); font-size: 0.68rem; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
.feed-header h2 { margin-bottom: 0; font-size: 1.15rem; letter-spacing: -0.025em; }

.live-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.65rem;
  border: 1px solid rgba(112, 245, 168, 0.2);
  border-radius: 999px;
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 750;
}

.live-status i { width: 0.4rem; height: 0.4rem; border-radius: 50%; background: currentColor; box-shadow: 0 0 0.6rem currentColor; }

.signal-card {
  display: grid;
  padding: 1rem;
  border-top: 1px solid var(--border);
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
}

.signal-card-featured { border: 1px solid rgba(112, 245, 168, 0.2); border-radius: 0.9rem; background: rgba(112, 245, 168, 0.055); }

.source-avatar {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  border-radius: 0.7rem;
  background: var(--green-dark);
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 850;
}

.source-avatar-blue { background: rgba(125, 200, 255, 0.12); color: var(--blue); }
.source-avatar-gold { background: rgba(241, 207, 120, 0.12); color: var(--gold); }
.signal-meta { gap: 0.7rem; }
.signal-meta strong { font-size: 0.8rem; }
.signal-meta span, .feed-footer { color: var(--muted); font-size: 0.67rem; }
.signal-card p { margin: 0.45rem 0 0; color: #d9e4de; font-size: 0.82rem; }
.signal-tag { display: inline-block; margin-top: 0.65rem; color: var(--green); font-size: 0.64rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.feed-footer { padding: 1rem 0.35rem 0.2rem; }
.pulse-line { width: 4.5rem; height: 0.2rem; border-radius: 999px; background: linear-gradient(90deg, transparent, var(--green), transparent); }

.how-it-works {
  width: min(calc(100% - 3rem), var(--max-width));
  margin: 0 auto;
  padding: 7rem 0;
  border-top: 1px solid var(--border);
}

.section-heading { max-width: 38rem; margin-bottom: 3rem; }
.section-heading h2 { margin-bottom: 1rem; font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1; letter-spacing: -0.055em; }
.section-heading > p:last-child, .steps p { color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }

.steps article {
  min-height: 14rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
}

.steps article > span { display: block; margin-bottom: 3.5rem; color: var(--green); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.1em; }
.steps h3 { margin-bottom: 0.65rem; font-size: 1.2rem; }
.steps p { margin-bottom: 0; font-size: 0.9rem; }

footer {
  display: grid;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  align-items: center;
  grid-template-columns: 1fr auto 1fr;
  color: var(--muted);
  font-size: 0.75rem;
}

footer p { margin: 0; }
footer p:last-child { text-align: right; }

@media (max-width: 860px) {
  .hero { min-height: auto; padding: 5rem 0; grid-template-columns: 1fr; }
  .hero-copy { max-width: 44rem; }
  .feed-shell { max-width: 38rem; }
  .steps { grid-template-columns: 1fr; }
  .steps article { min-height: auto; }
  .steps article > span { margin-bottom: 2rem; }
}

@media (max-width: 580px) {
  .site-header, .hero, .how-it-works, footer { width: min(calc(100% - 2rem), var(--max-width)); }
  .site-header nav > a:first-child { display: none; }
  .hero { padding: 4rem 0; }
  h1 { font-size: clamp(3rem, 17vw, 4.5rem); }
  .proof { gap: 1rem; justify-content: space-between; }
  .signal-meta { display: grid; gap: 0.1rem; }
  footer { gap: 1rem; grid-template-columns: 1fr; }
  footer p:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}