:root {
  --pv-green: #15532d;
  --pv-green-soft: #1c6b3a;
  --pv-accent: #e3a72e;
  --pv-bg: #faf9f5;
  --pv-surface: #ffffff;
  --pv-border: #e5e2da;
  --pv-text: #1c1c1a;
  --pv-text-muted: #6b6b63;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 15px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  background-color: var(--pv-bg);
  color: var(--pv-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100%;
}

h1, h2, h3, .card-title {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--pv-text);
}

a {
  color: var(--pv-green-soft);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(21, 83, 45, 0.2);
}

/* Navbar: light, quiet, a thin rule instead of a solid color band */
.pv-navbar {
  background-color: var(--pv-surface);
  border-bottom: 1px solid var(--pv-border);
}

.pv-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--pv-text);
  font-weight: 600;
}

.pv-navbar .navbar-brand img {
  width: 28px;
  height: 28px;
}

.pv-navbar .nav-link {
  color: var(--pv-text-muted);
  font-weight: 500;
}

.pv-navbar .nav-link:hover {
  color: var(--pv-green);
}

.pv-footer {
  color: var(--pv-text-muted);
  border-top: 1px solid var(--pv-border);
  font-size: 0.9rem;
}

.pv-footer a {
  color: var(--pv-text-muted);
}

/* Hero: generous whitespace, no gradient block */
.pv-hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.pv-hero h1 {
  font-size: 2.75rem;
  margin-bottom: 0.5rem;
}

.pv-hero p {
  color: var(--pv-text-muted);
  font-size: 1.1rem;
}

/* Cards: flat, bordered, quiet hover instead of a heavy shadow lift */
.pv-card {
  border: 1px solid var(--pv-border);
  border-radius: 0.6rem;
  background-color: var(--pv-surface);
  transition: border-color 0.15s ease;
  height: 100%;
}

.pv-card:hover {
  border-color: var(--pv-green-soft);
}

.pv-card .card-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
}

.pv-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--pv-green);
}

.pv-card .card-text {
  color: var(--pv-text-muted);
  font-size: 0.92rem;
}

.btn-pv {
  background-color: var(--pv-green);
  border-color: var(--pv-green);
  color: #fff;
  font-weight: 500;
}

.btn-pv:hover {
  background-color: var(--pv-green-soft);
  border-color: var(--pv-green-soft);
  color: #fff;
}

.btn-outline-pv {
  border-color: var(--pv-border);
  color: var(--pv-text);
  background: transparent;
}

.btn-outline-pv:hover {
  border-color: var(--pv-green);
  color: var(--pv-green);
}

.pv-google-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--pv-border);
  background: var(--pv-surface);
  color: var(--pv-text);
  padding: 0.6rem 1.1rem;
  border-radius: 0.5rem;
  font-weight: 500;
}

.pv-google-btn:hover {
  border-color: var(--pv-green-soft);
}

.pv-auth-card {
  max-width: 380px;
  margin: 3rem auto;
  text-align: center;
  padding: 2.5rem 2rem;
  border: 1px solid var(--pv-border);
  border-radius: 0.75rem;
  background: var(--pv-surface);
}