/* RESET / GLOBAL */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  background: #000;
  color: #fff;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  overflow-x: hidden;
}

/* BACKGROUND CANVAS */
#bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
}

/* NAVBAR */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 40px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  height: 40px;
  width: auto;
  display: block;
}

.nav-brand {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #f7f7f7;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  color: #b3b3c7;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.nav-links a:hover {
  color: #ffffff;
  opacity: 0.9;
}

/* HERO */
.hero {
  text-align: center;
  margin-top: 110px;
  padding: 0 20px;
}

.hero-logo {
  height: 180px;
  width: auto;
  filter: drop-shadow(0 0 18px #00d1ff);
}

.hero-title {
  margin-top: 26px;
  font-size: 58px;
  line-height: 1.1;
  background: linear-gradient(90deg, #00d1ff, #b300ff);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subtitle {
  margin-top: 16px;
  font-size: 18px;
  color: #a7a7c7;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* BUTTONS */
.cta {
  display: inline-block;
  margin-top: 35px;
  padding: 14px 38px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(90deg, #00d1ff, #b300ff);
  color: #000;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.8);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.cta:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.9);
  opacity: 0.95;
}

.cta.secondary {
  background: transparent;
  color: #00d1ff;
  border: 1px solid #00d1ff;
  box-shadow: none;
}

.cta.secondary:hover {
  background: rgba(0, 209, 255, 0.1);
}

/* SECTIONS */
.section {
  margin: 150px auto;
  width: min(1100px, 90%);
  text-align: center;
}

.section-title {
  font-size: 42px;
  margin-bottom: 12px;
  background: linear-gradient(90deg, #00d1ff, #b300ff);
  -webkit-background-clip: text;
  color: transparent;
}

.section-subtitle {
  font-size: 17px;
  color: #9a9a9a;
  margin-top: 6px;
  margin-bottom: 45px;
}

/* GENERIC GRID CARDS (TECH / MINING) */
.grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.card {
  padding: 32px;
  background: #0a0a15;
  border-radius: 18px;
  border: 1px solid #1a1a28;
  text-align: left;
  line-height: 1.65;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.7);
}

.card h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

/* NETWORK STATS */
.stats-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.stat-card {
  padding: 26px;
  border-radius: 16px;
  background: #0b0b14;
  border: 1px solid #1f1f2f;
  text-align: left;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
}

.stat-card h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #aaaacc;
}

.stat-value {
  font-size: 34px;
  margin-top: 8px;
  font-weight: 700;
}

.stat-label {
  margin-top: 4px;
  font-size: 11px;
  color: #777799;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* SUPPLY BAR */
.supply-wrapper {
  margin-top: 40px;
  text-align: left;
}

.supply-header {
  display: flex;
  justify-content: space-between;
  font-size: 16px;
  color: #d0d0f0;
  margin-bottom: 12px;
}

.supply-bar {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
}

.supply-bar-inner {
  height: 100%;
  width: 0;
  background: #4ade80; /* albo Twój neon */
  border-radius: inherit;
  transition: width 0.6s ease-out;
}

/* ROADMAP */
.roadmap-list {
  display: flex;
  flex-direction: column;
  gap: 55px;
  text-align: left;
}

.roadmap-block {
  padding: 32px;
  background: #080813;
  border-radius: 18px;
  border: 1px solid #1c1c2a;
  position: relative;
  overflow: hidden;
}

.roadmap-block::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(
    circle at top,
    rgba(0, 209, 255, 0.25),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.roadmap-block:hover::before {
  opacity: 1;
}

.roadmap-year {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: #7a7a9a;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.roadmap-heading {
  font-size: 26px;
  margin-bottom: 16px;
  color: #ffffff;
}

.roadmap-block ul {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.roadmap-block li {
  font-size: 16px;
  color: #cfcfe8;
  line-height: 1.6;
}

/* MINING */
.mining-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.mining-card {
  padding: 32px;
  border-radius: 18px;
  background: #060612;
  border: 1px solid #18182a;
  text-align: left;
  line-height: 1.65;
}

/* COMMUNITY BUTTONS */
.social {
  margin-top: 35px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.social a {
  padding: 12px 26px;
  border-radius: 999px;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(90deg, #00d1ff, #b300ff);
  font-weight: 600;
  font-size: 15px;
  display: inline-block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.social a:hover {
  transform: scale(1.06);
  opacity: 0.88;
}

/* FOOTER */
footer {
  margin: 100px 0 40px 0;
  text-align: center;
  opacity: 0.55;
  font-size: 12px;
}

/* RESPONSIVE */
@media (max-width: 800px) {
  .nav {
    padding: 12px 18px;
  }

  .nav-links {
    display: none; /* (prosto – wersja mobile bez menu hamburgera) */
  }

  .hero-title {
    font-size: 40px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .section {
    margin: 110px auto;
  }

  .roadmap-block,
  .card,
  .mining-card,
  .stat-card {
    padding: 24px;
  }
}