* {
  box-sizing: border-box;
}

:root {
  --bg: #050914;
  --panel: rgba(8, 20, 38, 0.78);
  --panel-strong: rgba(12, 31, 55, 0.92);
  --line: rgba(82, 226, 255, 0.22);
  --cyan: #52f3ff;
  --green: #6cff9d;
  --gold: #ffd36b;
  --text: #eefbff;
  --muted: #93adbb;
}

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(circle at 50% 0%, rgba(82, 243, 255, 0.16), transparent 32%),
    linear-gradient(180deg, #07101f, var(--bg) 58%, #02040a);
  color: var(--text);
  font-family: Inter, Arial, Helvetica, sans-serif;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

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

.bg-grid {
  background-image:
    linear-gradient(rgba(82, 243, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(82, 243, 255, 0.035) 1px, transparent 1px);
  background-size: 54px 54px;
  inset: 0;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.88), transparent);
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

.header {
  align-items: center;
  background: rgba(4, 11, 22, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  margin: 18px auto 0;
  max-width: 1180px;
  padding: 12px 14px;
  position: sticky;
  top: 12px;
  width: calc(100% - 28px);
  z-index: 20;
}

.logo {
  align-items: center;
  display: flex;
  font-weight: 900;
  gap: 10px;
}

.logo-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  border-radius: 8px;
  color: #031018;
  display: flex;
  height: 38px;
  justify-content: center;
  width: 46px;
}

.nav {
  color: var(--muted);
  display: flex;
  font-size: 14px;
  gap: 18px;
}

.nav a:hover {
  color: var(--cyan);
}

.header-button,
.primary-button,
.secondary-button {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 850;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
}

.header-button,
.primary-button {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #031018;
}

.secondary-button {
  background: rgba(82, 243, 255, 0.08);
  border: 1px solid var(--line);
  color: var(--text);
}

.hero,
.section,
.footer {
  margin: 0 auto;
  max-width: 1180px;
  width: calc(100% - 28px);
}

.hero {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  min-height: calc(100vh - 86px);
  padding: 70px 0 52px;
}

.eyebrow {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.95;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.05;
  margin-bottom: 14px;
}

.lead,
.section-heading p,
.split p,
.cta p,
.card p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.lead {
  max-width: 650px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-stats {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
  max-width: 560px;
}

.hero-stats div,
.hero-card,
.card,
.miner,
.feature-list div,
.timeline div,
.cta {
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.28);
}

.hero-stats div {
  padding: 16px;
}

.hero-stats strong {
  color: var(--cyan);
  display: block;
  font-size: 24px;
}

.hero-stats span {
  color: var(--muted);
  font-size: 13px;
}

.hero-card {
  align-items: center;
  display: grid;
  gap: 18px;
  justify-items: center;
  min-height: 520px;
  overflow: hidden;
  padding: 30px;
  position: relative;
  text-align: center;
}

.hero-card::before {
  background: radial-gradient(circle, rgba(82, 243, 255, 0.2), transparent 62%);
  content: "";
  height: 420px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 420px;
}

.hero-card img {
  filter: drop-shadow(0 30px 58px rgba(82, 243, 255, 0.24));
  max-height: 320px;
  max-width: 100%;
  object-fit: contain;
  position: relative;
  z-index: 1;
}

.hero-card div {
  position: relative;
  z-index: 1;
}

.hero-card span,
.hero-card small {
  color: var(--muted);
  display: block;
}

.hero-card strong {
  display: block;
  font-size: 28px;
  margin: 6px 0;
}

.section {
  padding: 68px 0;
}

.section-heading {
  margin: 0 auto 28px;
  max-width: 760px;
  text-align: center;
}

.cards {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 22px;
}

.card h3 {
  color: var(--text);
  font-size: 21px;
  margin-bottom: 8px;
}

.miners {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.miner {
  display: grid;
  gap: 8px;
  min-height: 270px;
  overflow: hidden;
  padding: 14px;
}

.miner img {
  align-self: center;
  height: 165px;
  justify-self: center;
  max-width: 100%;
  object-fit: contain;
}

.miner strong {
  font-size: 18px;
}

.miner span {
  color: var(--muted);
  font-size: 13px;
}

.split {
  align-items: center;
  display: grid;
  gap: 30px;
  grid-template-columns: 0.9fr 1.1fr;
}

.feature-list,
.timeline {
  display: grid;
  gap: 12px;
}

.feature-list div,
.timeline div {
  display: grid;
  gap: 5px;
  padding: 18px;
}

.feature-list strong,
.timeline strong {
  color: var(--cyan);
}

.feature-list span,
.timeline span {
  color: var(--muted);
  line-height: 1.55;
}

.cta {
  margin-bottom: 60px;
  padding: 42px 22px;
  text-align: center;
}

.footer {
  border-top: 1px solid rgba(82, 243, 255, 0.14);
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  padding: 22px 0 28px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (max-width: 920px) {
  .nav {
    display: none;
  }

  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .miners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .header {
    width: calc(100% - 18px);
  }

  .logo span:last-child {
    display: none;
  }

  .header-button {
    min-height: 40px;
    padding: 0 12px;
  }

  .hero,
  .section,
  .footer {
    width: calc(100% - 18px);
  }

  .hero {
    gap: 26px;
    padding-top: 42px;
  }

  .actions,
  .footer {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .hero-stats,
  .cards,
  .miners {
    grid-template-columns: 1fr;
  }

  .hero-card {
    min-height: 420px;
    padding: 18px;
  }

  .hero-card img {
    max-height: 250px;
  }

}