/* Shared styling for the standalone Chase Seven info pages
   (/support, /privacy, /app). Matches the app's brand tokens. */
:root {
  --teal: #7fd4cf;
  --teal-dark: #178f87;
  --navy: #23356b;
  --yellow: #f4c945;
  --cream: #faf3e3;
  --red: #d8434e;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--teal);
  color: var(--navy);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
a {
  color: var(--teal-dark);
  font-weight: 700;
}
.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px 64px;
}

/* Header / brand */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 0 18px;
}
.brand {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--navy);
  text-decoration: none;
  text-shadow: 2px 2px 0 var(--yellow);
}
.brand span {
  color: var(--red);
}
.site-nav {
  display: flex;
  gap: 14px;
  font-size: 0.9rem;
}
.site-nav a {
  color: var(--navy);
  text-decoration: none;
}
.site-nav a:hover {
  text-decoration: underline;
}

/* Cards / content */
h1 {
  font-size: 2rem;
  margin: 8px 0 4px;
}
.lead {
  font-size: 1.05rem;
  opacity: 0.85;
  margin: 0 0 20px;
}
.updated {
  font-size: 0.85rem;
  opacity: 0.7;
  margin: 0 0 24px;
}
.card {
  background: var(--cream);
  border: 3px solid var(--navy);
  border-radius: 16px;
  box-shadow: 4px 4px 0 rgba(35, 53, 107, 0.28);
  padding: 18px 20px;
  margin: 0 0 16px;
}
.card h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}
.card h3 {
  margin: 18px 0 4px;
  font-size: 1rem;
}
.card p,
.card li {
  margin: 6px 0;
}
.card ul {
  padding-left: 20px;
}

/* Support FAQ accordion */
details.faq {
  border-bottom: 1px solid rgba(35, 53, 107, 0.18);
  padding: 4px 0;
}
details.faq:last-child {
  border-bottom: 0;
}
details.faq > summary {
  cursor: pointer;
  font-weight: 800;
  padding: 12px 4px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
details.faq > summary::-webkit-details-marker {
  display: none;
}
details.faq > summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--teal-dark);
}
details.faq[open] > summary::after {
  content: "–";
}
details.faq > div {
  padding: 0 4px 12px;
}

/* Marketing (/app) */
.hero {
  text-align: center;
  padding: 24px 8px 8px;
}
.hero .big-logo {
  font-size: clamp(2.6rem, 12vw, 4.2rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 0.95;
  margin: 0;
  text-shadow: 3px 3px 0 var(--yellow);
}
.hero .big-logo span {
  color: var(--red);
  display: block;
}
.hero .pitch {
  font-size: 1.15rem;
  font-weight: 600;
  max-width: 520px;
  margin: 16px auto 0;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin: 26px 0 8px;
}
.cta {
  display: inline-block;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  padding: 16px 26px;
  border-radius: 14px;
  border: 3px solid var(--navy);
  box-shadow: 4px 4px 0 rgba(35, 53, 107, 0.35);
}
.cta:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(35, 53, 107, 0.35);
}
.cta.primary {
  background: var(--navy);
  color: var(--yellow);
}
.cta.secondary {
  background: var(--cream);
  color: var(--navy);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin: 28px 0;
}
.feature {
  background: var(--cream);
  border: 3px solid var(--navy);
  border-radius: 14px;
  box-shadow: 4px 4px 0 rgba(35, 53, 107, 0.22);
  padding: 16px;
}
.feature h3 {
  margin: 0 0 4px;
}
.feature p {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.9;
}

/* Footer */
.site-footer {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 2px solid rgba(35, 53, 107, 0.25);
  font-size: 0.85rem;
  text-align: center;
  opacity: 0.85;
}
.site-footer nav {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.site-footer nav a {
  color: var(--navy);
  text-decoration: none;
}