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

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

:root {
  --bg: #06120b;
  --bg-deep: #030a06;
  --forest: #0f3d24;
  --green: #2ee66b;
  --lime: #b6f03c;
  --yellow: #ffd93a;
  --text: #f2f8ee;
  --muted: #b9cdbf;
  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Layers: bg 0, canvas 1, content 2, nav 100 ---------- */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60vw 50vh at 85% 8%, rgba(255, 217, 58, 0.14), transparent 70%),
    radial-gradient(70vw 60vh at 10% 90%, rgba(46, 230, 107, 0.16), transparent 70%),
    radial-gradient(50vw 40vh at 50% 45%, rgba(15, 61, 36, 0.55), transparent 75%),
    linear-gradient(180deg, #071a10 0%, var(--bg) 55%, var(--bg-deep) 100%);
}

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

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 22px 0;
  background: rgba(6, 18, 11, 0.5);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid rgba(182, 240, 60, 0.08);
  transition: padding 250ms ease, background-color 250ms ease, box-shadow 250ms ease, border-color 250ms ease;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: -0.03em;
  color: var(--text);
  text-decoration: none;
  line-height: 1;
  transition: font-size 250ms ease;
}

.logo:hover {
  color: var(--text);
}

.logo-mark {
  width: 0.78em;
  height: 0.78em;
  background: linear-gradient(135deg, var(--yellow), var(--green));
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  flex: none;
}

.logo-io {
  color: var(--yellow);
}

#buy_now_link {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  background: var(--yellow);
  color: #10240f;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  transition: padding 250ms ease, font-size 250ms ease, transform 200ms ease, box-shadow 200ms ease, background-color 200ms ease;
}

#buy_now_link:hover {
  background: #ffe777;
  color: #10240f;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 217, 58, 0.35);
}

#buy_now_link:focus-visible,
#buy_now_bottom:focus-visible,
.logo:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 4px;
}

.site-nav.nav-scrolled {
  padding: 10px 0;
  background: rgba(6, 18, 11, 0.94);
  border-bottom-color: rgba(182, 240, 60, 0.2);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
}

.site-nav.nav-scrolled .logo {
  font-size: 1.35rem;
}

.site-nav.nav-scrolled #buy_now_link {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* ---------- Content ---------- */
.hero,
.cards-section,
.cta,
.signal-line {
  position: relative;
  z-index: 2;
}

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12vh 32px 8vh;
  text-align: center;
}

.hero-sub {
  max-width: 680px;
  margin: 0 auto 28px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 5rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--text);
  text-shadow: 0 2px 30px rgba(3, 10, 6, 0.8);
}

.hero h1 .line {
  display: block;
}

.hero h1 .line-accent {
  background: linear-gradient(95deg, var(--green) 0%, var(--lime) 50%, var(--yellow) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Cards ---------- */
.cards-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4vh 32px 10vh;
}

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

.feature-card {
  position: relative;
  padding: 38px;
  border-radius: 22px;
  background: rgba(8, 28, 17, 0.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(182, 240, 60, 0.16);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  color: var(--text);
  transition: transform 250ms ease, border-color 250ms ease, box-shadow 250ms ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 217, 58, 0.55);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 217, 58, 0.12);
}

.card-icon {
  display: block;
  width: 44px;
  height: 44px;
  margin-bottom: 26px;
  background: linear-gradient(135deg, var(--yellow), var(--green));
}

.feature-card:nth-child(1) .card-icon {
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.feature-card:nth-child(2) .card-icon {
  clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0% 50%);
}

.feature-card:nth-child(3) .card-icon {
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.feature-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.feature-card p {
  margin: 0;
  font-size: 1.02rem;
  color: var(--muted);
}

/* ---------- CTA ---------- */
.cta {
  max-width: 760px;
  margin: 0 auto;
  padding: 4vh 32px 12vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 22px;
}

.cta p {
  margin: 0;
}

.signal-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  color: var(--lime);
}

.signal-status::before {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--green);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.55; }
}

#buy_now_bottom {
  display: inline-block;
  padding: 22px 56px;
  border-radius: 999px;
  background: linear-gradient(95deg, var(--yellow) 0%, var(--lime) 100%);
  color: #10240f;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 0 12px 36px rgba(255, 217, 58, 0.28);
  transition: transform 200ms ease, box-shadow 200ms ease, filter 200ms ease;
}

#buy_now_bottom:hover {
  color: #10240f;
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 18px 50px rgba(182, 240, 60, 0.45);
  filter: brightness(1.06);
}

#buy_now_bottom:active {
  transform: translateY(-1px);
}

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

/* ---------- Footer ---------- */
/* Footer markup is injected via SSI; styling lives here. */

footer {
  position: relative;
  z-index: 2;
  padding: 18px 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  background: rgba(3, 10, 6, 0.96);
  border-top: 1px solid rgba(182, 240, 60, 0.14);
}

footer div {
  margin: 4px 0;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .site-nav {
    padding: 14px 0;
  }

  .nav-inner {
    padding: 0 16px;
  }

  .logo {
    font-size: 1.4rem;
  }

  #buy_now_link {
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .site-nav.nav-scrolled {
    padding: 8px 0;
  }

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

  .site-nav.nav-scrolled #buy_now_link {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  .hero {
    padding: 10vh 20px 6vh;
  }

  .hero-sub {
    font-size: 0.9rem;
    letter-spacing: 0.18em;
  }

  .cards-section {
    padding: 2vh 20px 8vh;
  }

  .feature-card {
    padding: 30px 26px;
  }

  .cta {
    padding: 2vh 20px 10vh;
  }

  #buy_now_bottom {
    padding: 18px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }

  .feature-card:hover,
  #buy_now_link:hover,
  #buy_now_bottom:hover {
    transform: none;
  }
}