:root {
  --bg: #07111f;
  --border: rgba(255, 255, 255, 0.09);
  --text: #eef4ff;
  --muted: #99aac7;
  --primary: #8b5cf6;
  --primary-2: #22d3ee;
  --accent: #facc15;
  --gold-2: #fb923c;
  --shadow: 0 22px 80px rgba(0, 0, 0, 0.35);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1220px;
  --header-h: 84px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(34, 211, 238, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(139, 92, 246, 0.18), transparent 28%),
    linear-gradient(180deg, #06101d 0%, #081321 30%, #091729 62%, #07111f 100%);
  line-height: 1.55;
  position: relative;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

.page-glow {
  position: fixed;
  width: 28rem;
  height: 28rem;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.42;
}

.page-glow-1 {
  top: -8rem;
  left: -10rem;
  background: rgba(34, 211, 238, 0.18);
}

.page-glow-2 {
  right: -10rem;
  top: 16rem;
  background: rgba(139, 92, 246, 0.2);
}

.site-header,
main {
  position: relative;
  z-index: 1;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
  background: rgba(6, 14, 24, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 20;
}

.header-row {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  width: 3rem;
  height: 3rem;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--gold-2));
  color: #231200;
  font-size: 1.4rem;
  font-weight: 900;
  box-shadow: 0 18px 40px rgba(250, 204, 21, 0.25);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.brand-copy strong {
  font-size: 1rem;
  line-height: 1.1;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.82rem;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.header-nav a {
  color: var(--muted);
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  transition: 0.25s ease;
}

.header-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.section {
  padding: 1rem 0 2.8rem;
}

.top-duo-section {
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  padding: 0.9rem 0 1.2rem;
}

.top-duo-wrap {
  width: 100%;
}

.top-duo-head {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 1rem;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 800;
  color: #c4b5fd;
}

.top-duo-head h1 {
  margin: 0.8rem auto 0.8rem;
  font-size: clamp(2rem, 3.5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 13ch;
}

.hero-text {
  max-width: 62ch;
  color: #c8d5ec;
  font-size: 1rem;
}

.centered-text {
  margin-left: auto;
  margin-right: auto;
}

.top-duo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.feature-card,
.trust-card,
.cta-box {
  background: linear-gradient(180deg, rgba(16, 31, 54, 0.88), rgba(9, 19, 34, 0.96));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.feature-card::before,
.trust-card::before,
.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent 35%, transparent 70%, rgba(34,211,238,0.05));
  pointer-events: none;
}

.feature-card {
  border-radius: var(--radius-xl);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 420px;
}

.feature-copy h2,
.cta-box h2 {
  margin: 0.45rem 0 0.7rem;
  font-size: clamp(1.65rem, 2.6vw, 2.7rem);
  line-height: 1.05;
}

.feature-copy p,
.cta-box p,
.trust-card span {
  color: #bfd0ea;
}

.feature-points {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.1rem;
  display: grid;
  gap: 0.65rem;
}

.feature-points li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: #dce7f8;
  font-size: 0.96rem;
}

.feature-points li::before {
  content: "✓";
  width: 1.35rem;
  height: 1.35rem;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  font-size: 0.78rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.feature-bitcoin .feature-points li::before {
  background: rgba(250, 204, 21, 0.18);
  color: #fcd34d;
}

.feature-crypto .feature-points li::before {
  background: rgba(34, 211, 238, 0.18);
  color: #67e8f9;
}

.feature-visual {
  min-height: 150px;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  margin-top: 0.6rem;
  background: radial-gradient(circle at center, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.coin-orb {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.coin-btc {
  background: radial-gradient(circle at 30% 30%, #ffe27a, var(--accent) 45%, #f59e0b 100%);
  color: #2b1600;
}

.coin-crypto {
  background: radial-gradient(circle at 30% 30%, #9ff7ff, var(--primary-2) 45%, #2563eb 100%);
  color: #04263d;
}

.visual-label {
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #dbe8fd;
}

.big-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 82px;
  padding: 1.15rem 1.45rem;
  border-radius: 999px;
  font-weight: 900;
  font-size: 1.14rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: 2px solid rgba(255, 255, 255, 0.28);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.34);
  animation: ctaPulse 2.2s ease-in-out infinite;
}

.big-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.12) 35%, rgba(255,255,255,0.28) 50%, transparent 65%);
  transform: translateX(-130%);
  animation: ctaShine 3.2s linear infinite;
}

.big-cta:hover {
  transform: translateY(-4px) scale(1.025);
  filter: brightness(1.08);
}

.big-cta-gold {
  color: #251300;
  background: linear-gradient(135deg, #fff07a 0%, #facc15 45%, #f59e0b 100%);
  box-shadow: 0 0 0 1px rgba(255, 224, 102, 0.4), 0 24px 60px rgba(245, 158, 11, 0.5), 0 0 34px rgba(250, 204, 21, 0.35);
}

.big-cta-cyan {
  color: #041d33;
  background: linear-gradient(135deg, #b9fbff 0%, #67e8f9 30%, #22d3ee 65%, #60a5fa 100%);
  box-shadow: 0 0 0 1px rgba(125, 249, 255, 0.36), 0 24px 60px rgba(34, 211, 238, 0.42), 0 0 34px rgba(96, 165, 250, 0.28);
}

@keyframes ctaPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.018);
  }
}

@keyframes ctaShine {
  0% {
    transform: translateX(-130%);
  }
  100% {
    transform: translateX(130%);
  }
}

.trust-strip {
  padding-top: 0;
}

.trust-grid {
  display: grid;
  gap: 1rem;
}

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

.trust-card {
  border-radius: 22px;
  padding: 1.2rem;
}

.trust-card strong {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.cta-shell {
  display: flex;
  justify-content: center;
}

.cta-box {
  width: 100%;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.centered-cta-box {
  text-align: center;
}

.centered-actions {
  justify-content: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.35rem;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, #a78bfa, var(--primary), #6d28d9);
  box-shadow: 0 18px 42px rgba(139, 92, 246, 0.42), 0 0 28px rgba(167, 139, 250, 0.22);
}

.btn-large {
  min-width: 220px;
}

strong {
  color: #ffffff;
}

@media (max-width: 980px) {
  .top-duo-head h1 {
    max-width: 15ch;
  }

  .feature-card {
    min-height: 390px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 74px;
  }

  .container {
    width: min(100% - 0.8rem, var(--container));
  }

  .header-row {
    min-height: var(--header-h);
    gap: 0.55rem;
    padding: 0.55rem 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-mark {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.2rem;
  }

  .brand-copy strong {
    font-size: 0.92rem;
  }

  .brand-copy small {
    font-size: 0.73rem;
  }

  .header-nav {
    width: 100%;
    gap: 0.35rem;
    justify-content: space-between;
  }

  .header-nav a {
    flex: 1 1 0;
    text-align: center;
    padding: 0.55rem 0.5rem;
    font-size: 0.78rem;
    background: rgba(255,255,255,0.04);
  }

  .top-duo-section {
    min-height: calc(100svh - var(--header-h));
    padding: 0.55rem 0 0.8rem;
  }

  .top-duo-head {
    margin-bottom: 0.7rem;
  }

  .top-duo-head h1 {
    max-width: none;
    font-size: clamp(1.45rem, 5.6vw, 2rem);
    margin: 0.5rem auto;
  }

  .hero-text {
    font-size: 0.87rem;
    line-height: 1.4;
  }

  .top-duo-grid {
    gap: 0.55rem;
  }

  .feature-card {
    border-radius: 18px;
    padding: 0.75rem;
    min-height: 295px;
  }

  .feature-copy h2 {
    font-size: 1.2rem;
    margin: 0.28rem 0 0.45rem;
  }

  .section-kicker,
  .eyebrow {
    font-size: 0.64rem;
    letter-spacing: 0.09em;
  }

  .feature-copy p {
    font-size: 0.78rem;
    line-height: 1.35;
  }

  .feature-points {
    gap: 0.38rem;
    margin: 0.65rem 0 0.75rem;
  }

  .feature-points li {
    font-size: 0.73rem;
    gap: 0.45rem;
  }

  .feature-points li::before {
    width: 1.05rem;
    height: 1.05rem;
    font-size: 0.62rem;
  }

  .feature-visual {
    min-height: 92px;
    margin-top: 0.45rem;
    border-radius: 16px;
    padding: 0.6rem;
  }

  .coin-orb {
    width: 62px;
    height: 62px;
    font-size: 1.8rem;
    margin-bottom: 0.35rem;
  }

  .visual-label {
    font-size: 0.66rem;
  }

  .big-cta {
    min-height: 56px;
    font-size: 0.92rem;
    padding: 0.85rem 0.75rem;
  }

  .two-col-grid {
    grid-template-columns: 1fr;
  }

  .cta-box,
  .trust-card {
    border-radius: 18px;
    padding: 1rem;
  }

  .btn,
  .btn-large {
    width: 100%;
    min-width: 0;
  }

  .hero-actions,
  .centered-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}