:root {
  --navy: #0b1c2d;
  --charcoal: #1a2530;
  --silver: #f2f4f6;
  --steel: #4f7fa8;
  --text-primary: #0e1a24;
  --text-muted: #5f6b76;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--silver);
  color: var(--text-primary);
  line-height: 1.65;
}

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

/* HEADER - sticky */
header {
  background: linear-gradient(90deg, var(--navy) 0%, var(--navy) 35%, var(--steel) 100%);
  color: white;
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  max-width: 1200px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
}

.logo::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 40%;
  height: 2px;
  background: var(--steel);
  opacity: 0.7;
}

/* LAYOUT */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 4rem 2rem;
}

h1 {
  font-size: 2.6rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.9rem;
  margin-top: 3rem;
  letter-spacing: -0.015em;
}

p {
  max-width: 720px;
  color: var(--text-muted);
}

/* FORM */
input, textarea, select {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.4rem;
  margin-bottom: 1.2rem;
  font-size: 1rem;
  border: 1px solid #cfd8df;
  background: white;
  border-radius: 4px;
}

textarea {
  min-height: 90px;
}

/* CHECKBOX GRID - fixed */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.6rem;
  margin-top: 0.8rem;
  background: transparent;
}

.checkbox-grid label {
  background: transparent !important;
  border: none !important;
  padding: 0;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.checkbox-grid input[type="checkbox"] {
  width: auto;
  margin: 0;
}

/* BUTTONS */
.cta {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.9rem 1.6rem;
  border: 1px solid var(--steel);
  color: var(--steel);
  font-weight: 600;
  font-size: 1rem;
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cta:hover {
  background: var(--steel);
  color: white;
}

.investor-btn {
  margin-top: 2rem;
  padding: 0.7rem 1.3rem;
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
  border-radius: 4px;
  cursor: pointer;
  margin-right: 10px;
}

.investor-btn:hover {
  background: var(--navy);
  color: white;
}

/* INVESTOR PANEL */
.investor-panel {
  display: none;
  border: 2px solid var(--steel);
  padding: 2rem;
  margin-top: 3rem;
  background: white;
  border-radius: 6px;
}

/* ADMIN PANEL (will be styled similarly) */
.admin-panel {
  border: 2px solid var(--steel);
  padding: 2rem;
  margin-top: 3rem;
  background: white;
  border-radius: 6px;
}

/* FOOTER */
footer {
  background: linear-gradient(90deg, var(--charcoal) 0%, var(--charcoal) 40%, #3f6f95 100%);
  color: #cfd8df;
  padding: 3rem 2rem;
  margin-top: 6rem;
  font-size: 0.9rem;
}

footer p {
  max-width: 900px;
  margin: auto;
  color: #cfd8df;
}

/* Tooltip */
.tooltip {
  display: inline-block;
  background: #4f7fa8;
  color: white;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  text-align: center;
  font-size: 14px;
  line-height: 18px;
  margin-left: 6px;
  cursor: help;
}

.tooltip:hover {
  background: #0b1c2d;
}