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

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f8ff;
  color: #172033;
  min-height: 100vh;
}

/* NAVBAR */

.navbar {
  height: 70px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 7%;
  border-bottom: 1px solid #e5eaf2;
}

.logo {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #172033;
}

.logo span {
  color: #1565ff;
}

.login-btn {
  border: none;
  background: #1565ff;
  color: white;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s;
}

.login-btn:hover {
  background: #0d4fd6;
}

/* HERO */

.hero {
  max-width: 1200px;
  margin: auto;
  padding: 90px 7%;
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 70px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: #e7f0ff;
  color: #1565ff;
  padding: 8px 13px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: 52px;
  line-height: 1.08;
  margin-bottom: 22px;
}

.hero-content h1 span {
  display: block;
  color: #1565ff;
}

.hero-content p {
  color: #657084;
  font-size: 17px;
  line-height: 1.7;
  max-width: 570px;
  margin-bottom: 30px;
}

.primary-btn {
  border: none;
  background: #1565ff;
  color: white;
  padding: 15px 25px;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.primary-btn:hover {
  background: #0d4fd6;
}

/* TRADING CARD */

.trading-card {
  background: white;
  border-radius: 18px;
  padding: 25px;
  box-shadow: 0 15px 45px rgba(27, 55, 100, 0.12);
  border: 1px solid #e8edf5;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header small {
  color: #8a94a6;
  font-size: 10px;
  font-weight: 700;
}

.card-header h3 {
  margin-top: 5px;
  font-size: 16px;
}

.live {
  color: #13a85b;
  font-size: 11px;
  font-weight: 800;
}

.price {
  margin-top: 35px;
  font-size: 35px;
  font-weight: 800;
}

.digit {
  margin-top: 8px;
  color: #707b8e;
}

.digit strong {
  color: #1565ff;
  font-size: 22px;
}

.contracts {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.contract {
  padding: 13px;
  border-radius: 8px;
  border: 1px solid #dce3ed;
  background: #ffffff;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s;
}

.contract:hover {
  border-color: #1565ff;
  color: #1565ff;
}

.contract.over:hover,
.contract.matches:hover {
  background: #eef5ff;
}

.contract.under:hover,
.contract.differs:hover {
  background: #fff1f1;
}

/* FOOTER */

footer {
  text-align: center;
  padding: 30px;
  color: #8a94a6;
  font-size: 13px;
}

/* MOBILE */

@media (max-width: 850px) {

  .hero {
    grid-template-columns: 1fr;
    padding-top: 60px;
  }

  .hero-content h1 {
    font-size: 40px;
  }

}

@media (max-width: 500px) {

  .navbar {
    padding: 0 20px;
  }

  .logo {
    font-size: 17px;
  }

  .login-btn {
    padding: 10px 14px;
    font-size: 12px;
  }

  .hero {
    padding: 45px 20px;
  }

  .hero-content h1 {
    font-size: 35px;
  }

  .trading-card {
    padding: 20px;
  }

}