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

:root {
  --bg-main: #050816;
  --bg-alt: radial-gradient(circle at top, #0a102d, #050816);
  --fg-main: #f5f7ff;
  --accent-blue: #4f8cff;
  --accent-green: #73ebc1;
  --accent-soft: rgba(122, 143, 255, 0.3);
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", system-ui, -webkit-system-font, sans-serif;
  background: var(--bg-main);
  color: var(--fg-main);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.bg-orbit {
  position: fixed;
  border-radius: 999px;
  filter: blur(60px);
  opacity: 0.18;
  z-index: -2;
}

.orbit-1 {
  width: 420px;
  height: 420px;
  background: #4f8cff;
  top: -80px;
  left: -120px;
}

.orbit-2 {
  width: 360px;
  height: 360px;
  background: #73ebc1;
  bottom: -120px;
  right: -80px;
}

.orbit-3 {
  width: 260px;
  height: 260px;
  background: #a855f7;
  top: 40%;
  right: 10%;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: radial-gradient(circle at top left, rgba(26, 43, 255, 0.3), rgba(5, 8, 22, 0.95));
  border-bottom: 1px solid rgba(120, 144, 255, 0.25);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 18px;
}

.logo span {
  color: var(--accent-blue);
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 14px;
}

.nav a {
  opacity: 0.86;
}

.nav a:hover {
  opacity: 1;
}

.nav-cta {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(115, 235, 193, 0.9);
  color: var(--accent-green);
  font-weight: 500;
}

.hero {
  padding: 96px 0 80px;
  background: radial-gradient(circle at top left, #1a2bff, #050816);
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 120%, rgba(115, 235, 193, 0.18), transparent 60%);
  opacity: 0.9;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: 40px;
  line-height: 1.15;
  margin-bottom: 10px;
}

.hero-text h1 span {
  color: var(--accent-green);
}

.hero-sub {
  font-size: 16px;
  max-width: 520px;
  opacity: 0.9;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 11px;
  opacity: 0.8;
  margin-bottom: 8px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 11px 22px;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn.primary {
  background: linear-gradient(135deg, #4f8cff, #73ebc1);
  color: #050816;
  font-weight: 600;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.55);
}

.btn.primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn.ghost {
  background: rgba(8, 13, 42, 0.7);
  border-color: rgba(122, 143, 255, 0.6);
  color: #c5ceff;
}

.btn.ghost:hover {
  background: rgba(122, 143, 255, 0.14);
}

.btn.small {
  padding: 8px 18px;
  font-size: 13px;
}

.btn.full {
  width: 100%;
}

.hero-note {
  font-size: 12px;
  opacity: 0.7;
}

.hero-card {
  background: radial-gradient(circle at top left, rgba(79, 140, 255, 0.35), rgba(7, 12, 40, 0.98));
  border-radius: 22px;
  padding: 22px 20px;
  border: 1px solid rgba(120, 144, 255, 0.5);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 10% 0%, rgba(115, 235, 193, 0.2), transparent 55%);
  opacity: 0.9;
  pointer-events: none;
}

.hero-card h3 {
  margin-top: 0;
  margin-bottom: 6px;
}

.hero-card-sub {
  font-size: 13px;
  opacity: 0.86;
}

.diagram {
  margin: 18px 0 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: stretch;
}

.node {
  background: radial-gradient(circle at top left, #4f8cff, #171f4a);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  text-align: center;
}

.float-1 { animation: float 5s ease-in-out infinite; }
.float-2 { animation: float 6s ease-in-out infinite; }
.float-3 { animation: float 7s ease-in-out infinite; }

.arrow {
  text-align: center;
  opacity: 0.7;
}

.diagram-caption {
  font-size: 12px;
  opacity: 0.78;
}

.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  opacity: 0.8;
  z-index: 1;
}

.scroll-dot {
  width: 18px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid rgba(236, 239, 255, 0.6);
  position: relative;
  overflow: hidden;
}

.scroll-dot::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 8px;
  border-radius: 999px;
  background: #e5e7ff;
  left: 50%;
  top: 6px;
  transform: translateX(-50%);
  animation: scroll-dot 1.6s ease-in-out infinite;
}

.section {
  padding: 70px 0;
}

.section.alt {
  background: var(--bg-alt);
}

.section-header {
  margin-bottom: 10px;
}

.section h2 {
  font-size: 28px;
  margin-bottom: 6px;
}

.section-intro {
  max-width: 640px;
  opacity: 0.86;
  font-size: 14px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 32px;
  align-items: flex-start;
}

.card {
  background: rgba(6, 10, 35, 0.96);
  border-radius: 18px;
  padding: 20px 22px;
  border: 1px solid var(--accent-soft);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  font-size: 14px;
}

.check-list li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-green);
  font-size: 13px;
}

.tech-strip {
  padding: 20px 0;
  border-top: 1px solid rgba(120, 144, 255, 0.18);
  border-bottom: 1px solid rgba(120, 144, 255, 0.18);
  background: #050816;
}

.tech-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  opacity: 0.9;
}

.tech-label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  opacity: 0.7;
}

.tech-pill {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(120, 144, 255, 0.35);
  background: rgba(15, 21, 61, 0.9);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.step {
  background: rgba(7, 12, 40, 0.95);
  padding: 18px 18px 20px;
  border-radius: 16px;
  border: 1px solid var(--accent-soft);
  font-size: 14px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.55);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(79, 140, 255, 0.22);
  color: #aecdff;
  font-size: 12px;
  margin-bottom: 6px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.feature {
  font-size: 14px;
}

.asset-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.asset-card {
  background: rgba(7, 12, 40, 0.96);
  border-radius: 16px;
  padding: 18px 18px 20px;
  border: 1px solid var(--accent-soft);
  font-size: 14px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.6);
}

.asset-card ul {
  padding-left: 18px;
  margin: 8px 0 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.price-card {
  background: rgba(7, 12, 40, 0.96);
  border-radius: 20px;
  padding: 20px 20px 22px;
  border: 1px solid rgba(120, 144, 255, 0.4);
  position: relative;
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.6);
}

.price-card.featured {
  border-color: var(--accent-green);
  box-shadow: 0 26px 65px rgba(0, 0, 0, 0.75);
  transform: translateY(-4px);
}

.price-card .badge {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(115, 235, 193, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(115, 235, 193, 0.7);
}

.price {
  font-size: 26px;
  margin: 10px 0 12px;
}

.price span {
  font-size: 12px;
  opacity: 0.7;
}

.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  font-size: 14px;
}

.price-card li {
  margin-bottom: 6px;
}

.price-card button[disabled] {
  opacity: 0.65;
  cursor: default;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 24px;
  font-size: 14px;
}

.faq-item {
  background: rgba(7, 12, 40, 0.96);
  border-radius: 16px;
  padding: 16px 18px 18px;
  border: 1px solid var(--accent-soft);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
}

.join {
  background: radial-gradient(circle at top left, #141c4b, #050816);
}

.join-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 30px;
  align-items: flex-start;
}

.join-card form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

label {
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

input,
select {
  border-radius: 10px;
  border: 1px solid rgba(120, 144, 255, 0.7);
  background: rgba(3, 6, 25, 0.96);
  color: var(--fg-main);
  padding: 8px 10px;
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 1px rgba(115, 235, 193, 0.6);
  background: rgba(3, 8, 30, 0.96);
}

.small-note {
  font-size: 11px;
  opacity: 0.7;
  margin-top: 4px;
}

.footer {
  border-top: 1px solid rgba(120, 144, 255, 0.2);
  padding: 26px 0;
  background: #050816;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
}

.footer-text {
  max-width: 360px;
  opacity: 0.8;
}

.footer-meta {
  text-align: right;
}

.footer-meta p {
  margin: 0 0 4px;
}

.footer-meta .risk {
  opacity: 0.75;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }
.delay-4 { transition-delay: 0.32s; }

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes scroll-dot {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 12px); opacity: 0; }
}

@media (max-width: 880px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero {
    padding-top: 84px;
  }
  .two-col,
  .join-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }
  .hero-text h1 {
    font-size: 30px;
  }
}