@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --bg-deep: #05070d;
  --bg-deep-2: #0a0f1c;
  --ink: #f4f2ec;
  --muted: #a9b0c8;
  --muted-dim: #767d94;
  --teal: #2dd4bf;
  --violet: #a78bfa;
  --rose: #fb7185;
  --amber: #f6ad55;
  --card-bg: rgba(255,255,255,0.035);
  --card-border: rgba(255,255,255,0.09);
  --max-w: 1180px;
}

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

html{
  scroll-behavior: smooth;
}

html{
  overflow-x: hidden;
  background: var(--bg-deep);
}

body{
  margin: 0;
  padding: 0;
  background: var(--bg-deep);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3{
  font-family: 'Fraunces', Georgia, serif;
  margin: 0;
}

p{
  margin: 0;
}

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

/* ================= BACKGROUND LAYERS ================= */

.bg-layer{
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(45,212,191,0.10), transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 20%, rgba(167,139,250,0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-deep-2) 45%, #050810 100%);
}

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

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

/* ================= NAV ================= */

nav{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 4vw, 56px);
  background: rgba(5, 7, 13, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: padding 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

nav.nav-scrolled{
  padding: 14px clamp(20px, 4vw, 56px);
  background: rgba(5, 7, 13, 0.92);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

@media (prefers-reduced-motion: reduce){
  nav{ transition: none; }
}

.wordmark{
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: 0.01em;
  background: linear-gradient(100deg, var(--ink) 0%, var(--teal) 45%, var(--violet) 75%, var(--ink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: font-size 0.25s ease;
}

nav.nav-scrolled .wordmark{
  font-size: 1.2rem;
}

.wordmark .dot{
  color: var(--amber);
  -webkit-text-fill-color: var(--amber);
}

.nav-link,
#buy_now_link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.04);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, padding 0.25s ease;
}

nav.nav-scrolled .nav-link,
nav.nav-scrolled #buy_now_link{
  padding: 8px 18px;
}

.nav-link:hover,
#buy_now_link:hover{
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.32);
  transform: translateY(-1px);
}

.nav-link:focus-visible,
#buy_now_link:focus-visible{
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

/* ================= HERO ================= */

.hero{
  padding: 14vh 24px 10vh;
  padding-top: max(14vh, 140px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: var(--max-w);
  margin: 0 auto;
}

.eyebrow{
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 22px;
}

.hero h1{
  font-size: clamp(2rem, 6vw, 5rem);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.hero h1 span{
  display: block;
}

.hero h1 .accent{
  background: linear-gradient(100deg, var(--teal), var(--violet) 60%, var(--rose));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lede{
  margin-top: 28px;
  max-width: 680px;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.65;
  color: var(--muted);
}

/* ================= CARDS ================= */

.cards-section{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4vh 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 35px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.card:hover{
  transform: translateY(-7px);
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.055);
}

.card .mark{
  width: 34px;
  height: 34px;
  border-radius: 50%;
  margin-bottom: 22px;
  background: var(--mark-color, var(--teal));
  opacity: 0.9;
  box-shadow: 0 0 26px 2px var(--mark-color, var(--teal));
}

.card h3{
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.card p{
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

.card:nth-child(1){ --mark-color: var(--teal); }
.card:nth-child(2){ --mark-color: var(--violet); }
.card:nth-child(3){ --mark-color: var(--amber); }
.card:nth-child(4){ --mark-color: var(--rose); }

/* ================= CTA ================= */

.cta{
  max-width: 720px;
  margin: 0 auto;
  padding: 8vh 24px 16vh;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta h2{
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.cta .cta-sub{
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.6;
  max-width: 520px;
  margin-bottom: 40px;
}

.signal-status{
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 20px;
}

.signal-cta,
#buy_now_bottom{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 48px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: #05070d;
  background: linear-gradient(100deg, var(--teal), var(--violet) 70%, var(--rose));
  background-size: 160% 160%;
  box-shadow: 0 12px 40px -12px rgba(167,139,250,0.5);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-position 0.5s ease;
}

.signal-cta:hover,
#buy_now_bottom:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 48px -12px rgba(167,139,250,0.65);
  background-position: 100% 0%;
}

.signal-cta:focus-visible,
#buy_now_bottom:focus-visible{
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.signal-sub{
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--muted-dim);
}

/* ================= FOOTER (served via SSI) ================= */

footer{
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 30px 24px 50px;
  color: var(--muted-dim);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  background: var(--bg-deep-2);
  border-top: 1px solid rgba(255,255,255,0.06);
}

footer a{
  color: var(--muted);
}

footer a:hover{
  color: var(--ink);
}

/* ================= REDUCED MOTION ================= */

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .card{ transition: none; }
}

/* ================= MOBILE ================= */

@media (max-width: 480px){
  nav{
    padding: 16px 18px;
  }
  .wordmark{
    font-size: 1.2rem;
  }
  .nav-link,
  #buy_now_link{
    padding: 8px 16px;
    font-size: 0.82rem;
  }
  nav.nav-scrolled{
    padding: 12px 18px;
  }
  nav.nav-scrolled .wordmark{
    font-size: 1.05rem;
  }
  nav.nav-scrolled .nav-link,
  nav.nav-scrolled #buy_now_link{
    padding: 7px 14px;
  }
  .hero{
    padding-top: max(12vh, 110px);
    padding-bottom: 8vh;
  }
  .hero p.lede{
    font-size: 1rem;
  }
  .cards-section{
    padding: 2vh 18px 8vh;
  }
  .card{
    padding: 30px 26px;
  }
  .cta{
    padding: 6vh 18px 12vh;
  }
  .signal-cta,
  #buy_now_bottom{
    width: 100%;
    padding: 17px 24px;
  }
}