:root {
  --background: #F2F2F7;
  --card: #FFFFFF;
  --primary: #5E5CE6;
  --primary-end: #3634A3;
  --income: #34C759;
  --expense: #FF3B30;
  --warning: #FF9F0A;
  --text-primary: #1C1C1E;
  --text-secondary: #8E8E93;
  --border: #E5E5EA;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #000000;
    --card: #1C1C1E;
    --primary: #6E6CF0;
    --text-primary: #FFFFFF;
    --text-secondary: #8E8E93;
    --border: #2C2C2E;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.5;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Nav ---------- */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--text-primary);
}

.nav-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 24px;
  font-weight: 600;
  font-size: 15px;
}

.nav-links a {
  color: var(--text-secondary);
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-end));
  border-radius: 28px;
  padding: 64px 32px;
  text-align: center;
  color: #ffffff;
  margin: 24px 0 56px;
}

.hero img {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 40px;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 18px;
  max-width: 480px;
  margin: 0 auto 32px;
  color: rgba(255, 255, 255, 0.9);
}

.button {
  display: inline-block;
  background: #ffffff;
  color: var(--primary-end);
  font-weight: 700;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 14px;
}

.button.disabled {
  opacity: 0.85;
  cursor: default;
}

.button.disabled:hover {
  text-decoration: none;
}

/* ---------- Features ---------- */

.section-title {
  font-size: 28px;
  font-weight: 800;
  text-align: center;
  margin: 0 0 40px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}

@media (max-width: 720px) {
  .features {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--card);
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.feature-card .emoji {
  font-size: 32px;
  margin-bottom: 12px;
  display: block;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Privacy strip ---------- */

.strip {
  background: var(--card);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  margin-bottom: 64px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.strip h2 {
  font-size: 22px;
  margin: 0 0 8px;
}

.strip p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 15px;
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer a {
  color: var(--text-secondary);
  font-weight: 600;
}

.footer .links {
  margin-bottom: 12px;
}

.footer .links a {
  margin: 0 10px;
}

/* ---------- Content pages (Support / Privacy) ---------- */

.page-header {
  padding: 48px 0 16px;
  text-align: center;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 8px;
}

.page-header p {
  color: var(--text-secondary);
  margin: 0;
}

.content-card {
  background: var(--card);
  border-radius: 20px;
  padding: 36px;
  margin: 24px 0 56px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.content-card h2 {
  font-size: 19px;
  font-weight: 700;
  margin: 28px 0 10px;
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

.content-card ul {
  font-size: 15px;
  color: var(--text-secondary);
  padding-left: 20px;
  margin: 0 0 12px;
}

.content-card li {
  margin-bottom: 6px;
}

.faq-item {
  margin-bottom: 24px;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-item h2 {
  margin-top: 0;
  margin-bottom: 6px;
}

.contact-box {
  background: var(--card);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  margin-bottom: 56px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.contact-box h2 {
  font-size: 20px;
  margin: 0 0 8px;
}

.contact-box a {
  font-size: 17px;
  font-weight: 700;
}