body {
  font-family: "Inter", sans-serif;
  background: #f3f5f9;
  color: #021633;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}

/* HEADER */

.page-header {
  background: #021633;
  color: #fff;
  padding: 18px 0;
}

.page-header .container {
  display: flex;
  align-items: center;
  gap: 20px;
}

.back-btn {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

/* PAGE */

.invest-page {
  padding: 40px 0;
}

/* PORTFOLIO CARD */

.portfolio-card {
  background: #fff;
  padding: 35px;
  border-radius: 16px;
  text-align: center;
  margin-bottom: 40px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.portfolio-card h1 {
  font-size: 48px;
  margin: 10px 0;
}

.invest-btn {
  margin-top: 15px;
  padding: 12px 30px;
  background: #4b38f5;
  color: #fff;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
}

.invest-btn:hover {
  background: #3726cc;
}

/* INVEST OPTIONS */

.investment-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin-bottom: 40px;
}

.invest-card {
  background: #fff;
  padding: 25px;
  border-radius: 16px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.06);
  transition: 0.3s;
}

.invest-card:hover {
  transform: translateY(-5px);
}

.invest-card h4 {
  margin-bottom: 8px;
}

/* PORTFOLIO */

.empty-portfolio {
  background: #fff;
  padding: 30px;
  border-radius: 16px;
  margin-bottom: 40px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.06);
}

/* ACTIVITY */

.activity {
  background: #fff;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.06);
}

.activity-box {
  margin-top: 15px;
  color: #777;
}

.investment-disclaimer {
  margin-top: 50px;
  padding: 30px;
  background: #f7f7f7;
  border-radius: 10px;
  font-size: 14px;
  color: #555;
}

.investment-disclaimer h3 {
  margin-bottom: 15px;
  font-weight: 600;
}

.risk-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid #ccc;
  margin-bottom: 20px;
}

.risk-grid div {
  padding: 15px;
  border-right: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  text-align: center;
  font-weight: 600;
  background: #f1f1f1;
}

.risk-grid div:nth-child(3n) {
  border-right: none;
}

.agreement-link {
  margin-bottom: 15px;
}

.agreement-link a {
  color: #0046be;
  text-decoration: underline;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .invest-hero {
    padding: 40px 16px !important;
  }
  .invest-hero h1 {
    font-size: 1.8rem !important;
  }
  .invest-grid,
  .portfolio-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  .invest-card {
    padding: 22px 18px !important;
  }
  .chart-wrap {
    overflow-x: auto !important;
  }
  .invest-form {
    padding: 22px 18px !important;
  }
  .form-group input,
  .form-group select {
    font-size: 16px !important;
  }
}