@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("assets/fonts/plus-jakarta-sans.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* ByajApp brand palette — mirrors lib/theme/tokens.dart */
  --color-paper: #faf7f2;          /* warm page background */
  --color-white: #ffffff;          /* cards / inner surfaces */
  --color-ink: #0c1320;            /* primary text */
  --color-ink-soft: #5b657a;       /* muted text */
  --color-blue-ink: #0b1e4a;       /* display headings */
  --color-blue: #1e4fd6;           /* primary action / links */
  --color-blue-dark: #1840b3;      /* hover on blue */
  --color-blue-soft: #e8eefb;      /* subtle blue surface */
  --color-orange: #f36a1f;         /* brand mark accent */
  --color-orange-soft: #ffe8d6;    /* subtle orange surface */
  --color-line: #e6e2d9;           /* borders */
  --color-success: #16a34a;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 14px;
  --shadow-soft: 0 10px 22px -16px rgba(11, 30, 74, 0.15);
  --shadow-blue: 0 10px 24px -10px rgba(30, 79, 214, 0.4);

  --max-width: 760px;
  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  color: var(--color-blue-ink);
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

a:hover {
  color: var(--color-blue-dark);
  text-decoration: underline;
}

.site-header {
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-blue-ink);
  letter-spacing: -0.005em;
}

.site-header__brand:hover {
  color: var(--color-blue-ink);
  text-decoration: none;
}

.site-header__brand img {
  width: 32px;
  height: 32px;
  display: block;
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-blue);
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.hero {
  text-align: center;
  padding: 56px 20px 24px;
}

.hero__mark {
  width: 84px;
  height: 84px;
  margin: 0 auto 16px;
  display: block;
}

.hero h1 {
  font-size: 2.5rem;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero p.lede {
  color: var(--color-ink-soft);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

.hero__cta {
  margin-top: 24px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.feature-card h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--color-blue-ink);
}

.feature-card p {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

.section {
  margin: 32px 0;
}

.section h2 {
  font-size: 1.4rem;
  margin: 0 0 12px;
}

.section h3 {
  font-size: 1.05rem;
  margin: 20px 0 8px;
  color: var(--color-blue-ink);
}

.section p,
.section li {
  color: var(--color-ink);
}

.section ul {
  padding-left: 22px;
}

.section li {
  margin: 4px 0;
}

.meta {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  margin: 0 0 24px;
}

.store-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-blue-ink);
  font-weight: 700;
  font-size: 1rem;
  padding: 6px 2px;
  transition: color 0.15s ease;
}

.store-link:hover {
  color: var(--color-blue);
  text-decoration: none;
}

.store-link__icon {
  width: 26px;
  height: 28px;
  flex-shrink: 0;
}

.callout {
  background: var(--color-orange-soft);
  border: 1px solid var(--color-orange);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin: 16px 0;
}

.callout p {
  margin: 0;
  color: var(--color-blue-ink);
}

.contact-block {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin: 20px 0;
  box-shadow: var(--shadow-soft);
}

.contact-block dt {
  font-weight: 700;
  margin-top: 12px;
  color: var(--color-blue-ink);
}

.contact-block dt:first-child {
  margin-top: 0;
}

.contact-block dd {
  margin: 4px 0 0;
  color: var(--color-ink-soft);
}

.site-footer {
  border-top: 1px solid var(--color-line);
  background: var(--color-paper);
  margin-top: 48px;
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--color-ink-soft);
  font-size: 0.9rem;
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-blue-ink);
  font-weight: 700;
}

.site-footer__brand img {
  width: 20px;
  height: 20px;
}

.site-footer__links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer__links a {
  color: var(--color-ink-soft);
}

.site-footer__links a:hover {
  color: var(--color-blue);
}

@media (max-width: 480px) {
  .hero {
    padding: 36px 20px 16px;
  }
  .hero h1 {
    font-size: 1.9rem;
  }
  .hero p.lede {
    font-size: 1rem;
  }
  .hero__mark {
    width: 68px;
    height: 68px;
  }
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}