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

:root{
  --bg: #060b14;
  --bg-soft: #0a1322;
  --blue: #22d3ee;
  --blue-deep: #2563eb;
  --green: #39ffb0;
  --green-deep: #10b981;
  --text: #eaf4ff;
  --muted: #9fb3c8;
  --card-bg: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
}

*{ box-sizing: border-box; }

html{
  overflow-x: hidden;
}

body{
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

h1, h2, h3{
  font-family: 'Space Grotesk', sans-serif;
  margin: 0;
}

a{ text-decoration: none; }

/* Background + animation layering */
#bg-layer{
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(37,99,235,0.18), transparent 55%),
    radial-gradient(ellipse at 85% 85%, rgba(16,185,129,0.14), transparent 55%),
    var(--bg);
}

#fuel-canvas{
  position: fixed;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
}

.page{
  position: relative;
  z-index: 10;
}

/* NAV */
nav{
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  box-sizing: border-box;
  background: rgba(6,11,20,0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 250ms ease, box-shadow 250ms ease, padding 250ms ease;
}

.nav-inner{
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 32px;
  transition: padding 250ms ease;
}

.logo{
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--green), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: font-size 250ms ease;
}

.logo span{
  color: var(--text);
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  opacity: 0.6;
  font-weight: 500;
}

#buy_now_link{
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-deep), var(--green-deep));
  color: #04121a;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 250ms ease, box-shadow 250ms ease, padding 250ms ease;
  box-shadow: 0 0 0 rgba(34,211,238,0);
}

#buy_now_link:hover,
#buy_now_link:focus-visible{
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34,211,238,0.35);
}

#buy_now_link:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

nav.nav-scrolled{
  background: rgba(6,11,20,0.88);
  box-shadow: 0 6px 24px rgba(0,0,0,0.35);
}

nav.nav-scrolled .nav-inner{
  padding: 12px 32px;
}

nav.nav-scrolled .logo{
  font-size: 1.25rem;
}

nav.nav-scrolled #buy_now_link{
  padding: 8px 18px;
  font-size: 0.88rem;
}

/* HERO */
.hero{
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 12vh 24px 10vh;
  text-align: center;
}

.kicker{
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 20px;
}

.hero h1{
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--text);
}

.hero p{
  margin: 28px auto 0;
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.hero-ctas{
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary{
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  color: #04121a;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 250ms ease, box-shadow 250ms ease;
}

.btn-primary:hover,
.btn-primary:focus-visible{
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(57,255,176,0.3);
}

.btn-primary:focus-visible{
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

/* CARDS */
.cards-section{
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 6vh 24px 10vh;
}

.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: 18px;
  padding: 38px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform 250ms ease, box-shadow 250ms ease, border-color 250ms ease;
}

.card:hover{
  transform: translateY(-8px);
  border-color: rgba(57,255,176,0.35);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}

.card-icon{
  width: 46px;
  height: 46px;
  border-radius: 12px;
  margin-bottom: 22px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon svg{
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #ffffff;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3{
  font-size: 1.2rem;
  margin-bottom: 14px;
  color: var(--text);
}

.card p{
  color: var(--muted);
  font-size: 0.98rem;
  margin: 0;
}

/* CTA */
.cta-section{
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
  padding: 8vh 24px 14vh;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.signal-status{
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--green);
  background: rgba(57,255,176,0.08);
  border: 1px solid rgba(57,255,176,0.3);
  border-radius: 999px;
  padding: 8px 20px;
  margin: 0 0 28px;
}

#buy_now_bottom{
  display: inline-block;
  padding: 18px 44px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-deep), var(--green));
  color: #04121a;
  font-weight: 700;
  font-size: 1.15rem;
  transition: transform 250ms ease, box-shadow 250ms ease;
  margin: 0 0 20px;
}

#buy_now_bottom:hover,
#buy_now_bottom:focus-visible{
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 36px rgba(34,211,238,0.4);
}

#buy_now_bottom:focus-visible{
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

.signal-sub{
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* FOOTER (markup injected via SSI, styling only) */
footer{
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 28px 24px;
  color: var(--muted);
  font-size: 0.85rem;
  background: var(--bg-soft);
}

footer div{
  margin: 4px 0;
}

@media (max-width: 480px){
  .nav-inner{
    padding: 16px 18px;
  }
  .logo{
    font-size: 1.15rem;
  }
  #buy_now_link{
    padding: 8px 14px;
    font-size: 0.82rem;
  }
  nav.nav-scrolled .nav-inner{
    padding: 10px 18px;
  }
  nav.nav-scrolled .logo{
    font-size: 1rem;
  }
  nav.nav-scrolled #buy_now_link{
    padding: 6px 12px;
    font-size: 0.75rem;
  }
  .hero{
    padding: 10vh 16px 7vh;
  }
  .hero-ctas{
    flex-direction: column;
    align-items: stretch;
  }
  .card{
    padding: 28px;
  }
  #buy_now_bottom{
    padding: 16px 28px;
    font-size: 1rem;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce){
  *{
    transition: none !important;
  }
}