:root {
  --bg-main: #020817;
  --bg-alt: #050b1f;
  --accent: #00b4ff;
  --accent-soft: rgba(0, 180, 255, 0.2);
  --text-main: #f9fbff;
  --text-muted: #a0b3d1;
  --card-bg: #071226;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --danger: #ff4b81;
  --radius-lg: 22px;
  --shadow-soft: 0 18px 60px rgba(0, 0, 0, 0.7);
}

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

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: radial-gradient(circle at top, #041d3b 0, #020817 55%, #000 100%);
  color: var(--text-main);
}

body {
  min-height: 100vh;
}

/* NAVBAR & HERO */

.hero {
  padding: 20px clamp(16px, 4vw, 40px) 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at top left, rgba(0, 180, 255, 0.22), transparent 55%),
    radial-gradient(circle at 70% 20%, rgba(0, 240, 255, 0.18), transparent 60%);
  opacity: 0.9;
  mix-blend-mode: screen;
  pointer-events: none;
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
  margin-bottom: 30px;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--accent);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 8px 14px;
  margin: 0;
  border-radius: 999px;
  background: rgba(2, 8, 23, 0.6);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(18px);
}

.nav-links a {
  font-size: 0.86rem;
  text-decoration: none;
  color: var(--text-muted);
  padding: 6px 10px;
  border-radius: 999px;
  transition: 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-main);
  background: rgba(0, 180, 255, 0.14);
}

/* HERO CONTENT */

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.6fr);
  align-items: center;
  gap: clamp(32px, 5vw, 64px);
  margin-top: 40px;
}

.hero-text h1 {
  font-size: clamp(2.4rem, 3.8vw, 3.6rem);
  line-height: 1.05;
  margin-bottom: 18px;
}

.hero-text p {
  color: var(--text-muted);
  max-width: 540px;
  font-size: 0.98rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: 0.18s ease;
}

.btn.primary {
  background: linear-gradient(135deg, #00b4ff, #3af2ff);
  color: #020817;
  box-shadow: 0 12px 40px rgba(0, 180, 255, 0.45);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 50px rgba(0, 180, 255, 0.6);
}

.btn.ghost {
  background: rgba(2, 8, 23, 0.7);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn.ghost:hover {
  background: rgba(7, 18, 38, 0.9);
  border-color: var(--accent-soft);
}

.hero-founded {
  margin-top: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.hero-card {
  position: relative;
  background: radial-gradient(circle at top, #073464, #020817);
  border-radius: 30px;
  padding: 28px 24px 26px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(124, 189, 255, 0.28);
  text-align: center;
}

.coin-circle {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background:
    radial-gradient(circle at 30% 20%, #ffffff 0, #9adcff 18%, #0069ff 52%, #02142d 78%),
    radial-gradient(circle at 70% 80%, rgba(0, 240, 255, 0.9), transparent 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.coin-circle::before {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  box-shadow:
    0 0 18px rgba(255, 255, 255, 0.3),
    inset 0 0 25px rgba(0, 0, 0, 0.5);
}

.coin-inner {
  position: relative;
  z-index: 2;
  width: 60%;
  height: 60%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffffff, #8ed7ff 40%, #0141a9 85%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 12px 30px rgba(0, 19, 56, 0.8),
    inset 0 0 18px rgba(0, 0, 0, 0.65);
}

.coin-symbol {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #02142d;
}

.coin-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* SECTIONS */

.section {
  padding: 70px clamp(16px, 4vw, 40px);
  position: relative;
}

.section-alt {
  background: radial-gradient(circle at top, #050b1f, #020817 58%, #000 100%);
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.section h2 {
  font-size: 1.9rem;
  margin-bottom: 10px;
}

.section-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 26px;
}

.section p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* GRIDS */

.tokenomics-grid,
.presale-grid,
.roadmap-grid,
.faq-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 18px 18px 16px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.55);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.big-number {
  font-size: 1.3rem;
  font-weight: 700;
  color: #e5f0ff;
}

.card ul {
  padding-left: 18px;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.93rem;
}

/* ROADMAP */

.roadmap-item {
  background: linear-gradient(145deg, rgba(0, 180, 255, 0.18), rgba(7, 18, 38, 0.9));
  border-radius: var(--radius-lg);
  padding: 18px 18px 16px;
  border: 1px solid rgba(0, 180, 255, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7);
}

.roadmap-item h3 {
  margin-top: 0;
  font-size: 1.02rem;
}

/* NOTES */

.note {
  margin-top: 16px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* FOOTER */

.footer {
  padding: 36px 16px 26px;
  border-top: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top, #040b1a, #000 70%);
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}

.footer-main {
  font-weight: 600;
  margin-bottom: 6px;
}

.footer-credits {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.footer-langs {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* RESPONSIVE */

@media (max-width: 880px) {
  .hero-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card {
    order: -1;
    margin-bottom: 12px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-bottom: 56px;
  }
}