/* =============================================
   CoinCryptorama Satellite — Crypto Exchanges
   Dark mode · Web3 cyberpunk · Neon green/blue
   ============================================= */

:root {
  --bg-primary: #050810;
  --bg-secondary: #0a0f1c;
  --glass-bg: rgba(12, 18, 36, 0.55);
  --glass-border: rgba(0, 255, 170, 0.15);
  --text-primary: #e8f4ff;
  --text-secondary: #8ba3c7;
  --text-muted: #5a7094;
  --neon-green: #00ffaa;
  --neon-green-dim: #00cc88;
  --neon-blue: #00d4ff;
  --neon-blue-dim: #0099cc;
  --neon-glow-green: 0 0 20px rgba(0, 255, 170, 0.45), 0 0 40px rgba(0, 255, 170, 0.15);
  --neon-glow-blue: 0 0 20px rgba(0, 212, 255, 0.45), 0 0 40px rgba(0, 212, 255, 0.15);
  --gradient: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
  --radius: 14px;
  --max-width: 960px;
  --header-height: 72px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(0, 255, 170, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(0, 212, 255, 0.06) 0%, transparent 55%);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

/* ---- Header (Glassmorphism) ---- */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
  height: var(--header-height);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-shadow: 0 0 12px rgba(0, 255, 170, 0.5);
  transition: text-shadow var(--transition);
}

.logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo:hover {
  text-shadow: var(--neon-glow-green);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 0.35rem;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

nav a:hover {
  color: var(--neon-green);
  border-color: rgba(0, 255, 170, 0.3);
  box-shadow: var(--neon-glow-green);
}

nav a.active {
  color: var(--neon-green);
  background: rgba(0, 255, 170, 0.08);
  border-color: rgba(0, 255, 170, 0.35);
}

/* ---- Main Content ---- */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3.5rem;
  width: 100%;
}

h1 {
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.02em;
}

h2 i {
  color: var(--neon-blue);
  margin-right: 0.5rem;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--neon-blue);
  margin: 1.5rem 0 0.5rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

ul {
  color: var(--text-secondary);
  margin: 0.75rem 0 1.25rem 1.5rem;
}

ul li {
  margin-bottom: 0.45rem;
}

ul li::marker {
  color: var(--neon-green);
}

a {
  color: var(--neon-blue);
  text-decoration: none;
  transition: color var(--transition), text-shadow var(--transition);
}

a:hover {
  color: var(--neon-green);
  text-shadow: 0 0 8px rgba(0, 255, 170, 0.4);
}

/* ---- Hero Images ---- */

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  margin: 1.5rem 0 2rem;
  display: block;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.hero-image:hover {
  border-color: rgba(0, 255, 170, 0.4);
  box-shadow: var(--neon-glow-green);
}

.content-image {
  width: 100%;
  max-width: 640px;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 212, 255, 0.2);
  margin: 1.25rem 0;
  display: block;
}

/* ---- Glassmorphism Teaser Cards (Homepage Grid) ---- */

.teasers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.teaser-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.75rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.teaser-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 255, 170, 0.5);
  box-shadow: var(--neon-glow-green);
}

.teaser-icon {
  font-size: 2rem;
  color: var(--neon-green);
  text-shadow: 0 0 16px rgba(0, 255, 170, 0.6);
  transition: text-shadow var(--transition), color var(--transition);
}

.teaser-card:hover .teaser-icon {
  color: var(--neon-blue);
  text-shadow: var(--neon-glow-blue);
}

.teaser-card h3 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.teaser-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--gradient);
  border: none;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
  margin-top: 0.5rem;
  width: fit-content;
}

.btn:hover {
  box-shadow: var(--neon-glow-green);
  transform: scale(1.03);
  color: var(--bg-primary);
  text-shadow: none;
}

/* ---- Chart Container ---- */

.chart-section {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 2rem 0;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.chart-section:hover {
  border-color: rgba(0, 255, 170, 0.35);
  box-shadow: var(--neon-glow-green);
}

.chart-section h2 {
  margin-top: 0;
  font-size: 1.15rem;
}

.chart-wrapper {
  position: relative;
  height: 320px;
  margin-top: 1rem;
}

/* ---- Fee Comparison Table ---- */

.table-wrapper {
  overflow-x: auto;
  margin: 1.75rem 0;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: box-shadow var(--transition);
}

.table-wrapper:hover {
  box-shadow: var(--neon-glow-blue);
}

.fee-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.925rem;
}

.fee-table thead {
  background: rgba(0, 212, 255, 0.1);
}

.fee-table th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 700;
  color: var(--neon-blue);
  border-bottom: 1px solid rgba(0, 212, 255, 0.25);
}

.fee-table th i {
  margin-right: 0.4rem;
}

.fee-table td {
  padding: 0.9rem 1.25rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.fee-table tbody tr {
  transition: background var(--transition);
}

.fee-table tbody tr:hover {
  background: rgba(0, 255, 170, 0.05);
}

.fee-table td:first-child {
  font-weight: 600;
  color: var(--text-primary);
}

/* ---- Info Callout (Blue KYC Box) ---- */

.info-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  background: rgba(0, 212, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 212, 255, 0.45);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 2rem 0;
  box-shadow: var(--neon-glow-blue);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.info-callout:hover {
  border-color: rgba(0, 212, 255, 0.7);
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.55), 0 0 60px rgba(0, 212, 255, 0.2);
}

.info-callout-icon {
  font-size: 2rem;
  color: var(--neon-blue);
  text-shadow: var(--neon-glow-blue);
}

.info-callout h3 {
  margin: 0 0 0.5rem;
  color: var(--neon-blue);
}

.info-callout p {
  margin-bottom: 0;
}

.info-callout p:last-child {
  margin-bottom: 0;
}

/* ---- Generic Info Box ---- */

.info-box {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-left: 3px solid var(--neon-green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.info-box p:last-child {
  margin-bottom: 0;
}

/* ---- Footer ---- */

footer {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--glass-border);
  padding: 1.5rem;
  text-align: center;
}

footer p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
}

/* ---- Swap Widget ---- */

.swap-widget {
  max-width: 420px;
  margin: 1.5rem auto 2.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.swap-widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.swap-widget-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.swap-network-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--neon-green);
  background: rgba(0, 255, 170, 0.08);
  border: 1px solid rgba(0, 255, 170, 0.35);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}

.swap-network-badge i {
  font-size: 0.5rem;
}

.swap-field {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 0.9rem 1rem 1rem;
  transition: border-color var(--transition);
}

.swap-field:focus-within {
  border-color: rgba(0, 255, 170, 0.4);
}

.swap-field + .swap-field {
  margin-top: 0.75rem;
}

.swap-field-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.swap-field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.swap-amount {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1.6rem;
  font-weight: 700;
  font-family: inherit;
  letter-spacing: -0.02em;
}

.swap-token {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.35rem 0.75rem 0.35rem 0.4rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.swap-token-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: #fff;
}

.swap-token-icon.eth { background: #627eea; }
.swap-token-icon.usdc { background: #2775ca; }
.swap-token-icon.btc { background: #f7931a; }
.swap-token-icon.eur { background: #1f8f5f; }

.swap-subgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.swap-static-value {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.swap-switch {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin: -10px auto;
  position: relative;
  z-index: 2;
  background: var(--bg-secondary);
  color: var(--neon-blue);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), color var(--transition);
}

.swap-switch:hover {
  color: var(--neon-green);
  box-shadow: var(--neon-glow-green);
  transform: rotate(180deg);
}

.swap-details {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
}

.swap-detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  padding: 0.2rem 0;
}

.swap-detail-label { color: var(--text-muted); }
.swap-detail-value { color: var(--text-secondary); font-weight: 600; }
.swap-detail-value.swap-positive { color: var(--neon-green); }

.swap-connect {
  width: 100%;
  margin-top: 1.1rem;
  padding: 0.9rem 1rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bg-primary);
  background: var(--gradient);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-family: inherit;
  transition: box-shadow var(--transition), transform var(--transition);
}

.swap-connect:hover {
  box-shadow: var(--neon-glow-green);
  transform: translateY(-1px);
}

.swap-connect.connected {
  background: rgba(0, 255, 170, 0.15);
  color: var(--neon-green);
  border: 1px solid rgba(0, 255, 170, 0.4);
}

/* ---- Provider Panel (Onramp Buy Table) ---- */

.provider-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.provider-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.provider-panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.provider-table-wrap {
  overflow-x: auto;
}

.provider-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.provider-table th {
  text-align: left;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--neon-blue);
  font-weight: 700;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  white-space: nowrap;
}

.provider-table td {
  padding: 0.85rem 0.75rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  white-space: nowrap;
}

.provider-table tbody tr:last-child td {
  border-bottom: none;
}

.provider-name {
  color: var(--text-primary);
  font-weight: 700;
}

.provider-rate.best {
  color: var(--neon-green);
  font-weight: 700;
}

.provider-buy {
  background: var(--gradient);
  color: var(--bg-primary);
  border: none;
  border-radius: 8px;
  padding: 0.4rem 1.1rem;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
}

.provider-buy:hover {
  box-shadow: var(--neon-glow-green);
  transform: scale(1.05);
}

.provider-buy.bought {
  background: rgba(0, 255, 170, 0.15);
  color: var(--neon-green);
  border: 1px solid rgba(0, 255, 170, 0.4);
}

.provider-panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.provider-panel-footer .val {
  color: var(--text-secondary);
  font-weight: 600;
}

/* ---- Responsive ---- */

@media (max-width: 900px) {
  .teasers {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .swap-widget { max-width: 100%; }
  .swap-amount { font-size: 1.35rem; }
}

@media (max-width: 640px) {
  .header-inner {
    grid-template-columns: 1fr;
    height: auto;
    padding: 0.85rem 1rem;
    justify-items: center;
    text-align: center;
  }

  header {
    height: auto;
    position: relative;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  nav a {
    font-size: 0.8rem;
    padding: 0.4rem 0.65rem;
  }

  main {
    padding: 1.75rem 1rem 2.5rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  .chart-wrapper {
    height: 260px;
  }

  .info-callout {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .info-callout-icon {
    justify-self: center;
  }
}