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

:root {
  --navy-900: #042C53;
  --navy-800: #0C447C;
  --blue-600: #185FA5;
  --blue-100: #E6F1FB;
  --teal-800: #085041;
  --teal-100: #E1F5EE;
  --teal-accent: #9FE1CB;
  --gray-900: #2C2C2A;
  --gray-700: #444441;
  --gray-500: #5F5E5A;
  --gray-300: #B4B2A9;
  --gray-200: #D3D1C7;
  --gray-100: #F1EFE8;
  --red-800: #791F1F;
  --red-100: #FCEBEB;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--gray-100);
  color: var(--gray-900);
  line-height: 1.6;
}

a {
  color: var(--blue-600);
  text-decoration: none;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
header.site-header {
  background: var(--navy-900);
  padding: 0.9rem 0;
}

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

header.site-header .logo {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}

header.site-header nav a {
  color: var(--blue-100);
  font-size: 14px;
  margin-left: 1.25rem;
}

/* Hero */
.hero {
  background: var(--navy-800);
  padding: 2rem 0 2.5rem;
}

.hero .eyebrow {
  color: var(--teal-accent);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}

.hero h1 {
  color: #fff;
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.3;
}

.hero p {
  color: var(--blue-100);
  font-size: 15px;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.25rem;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}

.btn-white {
  background: #fff;
  color: var(--navy-800);
}

.btn-primary {
  background: var(--blue-600);
  color: #fff;
  width: 100%;
}

.btn-outline {
  background: #fff;
  border: 1px solid var(--gray-300);
  color: var(--gray-700);
}

/* Main content sections */
main {
  padding: 1.5rem 0 2rem;
}

.section-label {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 600;
  margin-bottom: 10px;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 0.9rem;
}

.card p {
  font-size: 13px;
  font-weight: 600;
  margin-top: 8px;
}

.info-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin-bottom: 1.5rem;
}

.info-card .label {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.info-card .body {
  font-size: 13px;
  color: var(--gray-700);
}

/* Forms (login/signup) */
.form-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 400px;
  margin: 2rem auto;
}

.form-card h1 {
  font-size: 18px;
  margin-bottom: 4px;
}

.form-card .subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 1.25rem;
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-size: 13px;
  color: var(--gray-700);
  margin-bottom: 4px;
}

.field input {
  width: 100%;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  font-size: 14px;
}

.field input:focus {
  outline: none;
  border-color: var(--blue-600);
}

.error-message {
  background: var(--red-100);
  color: var(--red-800);
  font-size: 13px;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: none;
}

.switch-link {
  text-align: center;
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 1rem;
}

/* Footer */
footer.site-footer {
  background: var(--gray-900);
  padding: 1rem 0;
}

footer.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

footer.site-footer a {
  color: var(--gray-300);
  font-size: 12px;
}