@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root{
  --bg: #0a0d12;
  --bg-alt: #0d1117;
  --line: rgba(255,255,255,0.08);
  --accent: #5eead4;
  --accent-dim: rgba(94,234,212,0.35);
  --text: #eef2f6;
  --text-muted: #9aa5b1;
  --card-bg: rgba(255,255,255,0.03);
  --card-border: rgba(255,255,255,0.08);
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body, html{
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, .wordmark{
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}

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

/* ---------- Background layers ---------- */
#bg-canvas{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(94,234,212,0.08), transparent 55%),
    var(--bg);
}

.grain-overlay{
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse at 50% 20%, black 0%, transparent 70%);
}

/* ---------- Nav ---------- */
nav{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(10,13,18,0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.wordmark{
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}
.wordmark .accent-dot{
  color: var(--accent);
  font-size: 1.1em;
  line-height: 0;
}

#buy_now_link{
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 20px;
  border: 1px solid var(--accent-dim);
  border-radius: 6px;
  color: var(--accent);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
#buy_now_link:hover,
#buy_now_link:focus-visible{
  background: var(--accent);
  color: #05201c;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(94,234,212,0.25);
  outline: none;
}
#buy_now_link:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 14vh 24px 8vh;
  max-width: 980px;
  margin: 0 auto;
}

.eyebrow{
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 22px;
  opacity: 0.85;
}

.hero h1{
  font-size: clamp(2rem, 6vw, 5rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 24px;
}
.hero h1 .line-2{
  display: block;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.42em;
  letter-spacing: 0.01em;
  margin-top: 18px;
}

.hero p{
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- Cards ---------- */
.cards-section{
  position: relative;
  z-index: 10;
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 100px;
}

.cards-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card{
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 38px 34px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.card:hover{
  transform: translateY(-6px);
  border-color: var(--accent-dim);
  background: rgba(94,234,212,0.05);
}

.card .card-index{
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 20px;
}

.card h3{
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.card p{
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ---------- CTA ---------- */
.cta{
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 60px 24px 140px;
  max-width: 640px;
  margin: 0 auto;
}

.signal-status{
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin: 0 0 26px;
}

#buy_now_bottom{
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 18px 44px;
  border-radius: 8px;
  background: var(--accent);
  color: #05201c;
  box-shadow: 0 10px 30px rgba(94,234,212,0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
#buy_now_bottom:hover,
#buy_now_bottom:focus-visible{
  transform: translateY(-2px);
  box-shadow: 0 14px 38px rgba(94,234,212,0.3);
  background: #7ff2df;
  outline: none;
}
#buy_now_bottom:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.signal-sub{
  margin: 22px 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

footer {
  color: #ffffff !important;
  background: rgba(10, 13, 18, 0.9);
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 40px 24px !important;
  margin-top: auto;
  position: relative;
  z-index: 100;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  #bg-canvas{ display: none; }
}

/* ---------- Mobile ---------- */
@media (max-width: 480px){
  nav{ padding: 16px 18px; }
  .wordmark{ font-size: 1.05rem; }
  #buy_now_link{ padding: 8px 14px; font-size: 0.75rem; }
  .hero{ padding: 11vh 18px 6vh; }
  .hero h1 .line-2{ margin-top: 12px; }
  .hero p{ font-size: 0.95rem; }
  .cards-section{ padding: 24px 18px 70px; }
  .card{ padding: 30px 26px; }
  .cta{ padding: 40px 18px 100px; }
  #buy_now_bottom{ width: 100%; padding: 16px 20px; }
}