/* Shared styles for Nozawa app pages under Studio Hedera */
:root {
  --bg: #0b0d12;
  --bg-card: #141821;
  --fg: #e8eaee;
  --fg-muted: #8a93a3;
  --accent: #d97a3c;
  --accent-light: #f59e0b;
  --border: #1f2530;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.nav {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
  margin-left: 20px;
  transition: color 0.15s;
}

.nav a:hover {
  color: var(--fg);
}

.brand {
  font-weight: 700;
  color: var(--fg);
  font-size: 15px;
  letter-spacing: 0.02em;
}

.brand-sub {
  color: var(--fg-muted);
  font-weight: 400;
  margin-left: 6px;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

h2 {
  font-size: 20px;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 16px;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 8px;
}

p {
  margin-bottom: 14px;
  color: var(--fg);
}

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

a:hover {
  text-decoration: underline;
}

ul, ol {
  margin: 8px 0 16px 22px;
}

li {
  margin-bottom: 6px;
}

strong {
  color: var(--fg);
  font-weight: 600;
}

hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 32px 0;
}

.muted {
  color: var(--fg-muted);
  font-size: 14px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin: 16px 0;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  margin: 8px 12px 0 0;
  transition: background 0.15s;
}

.cta:hover {
  background: var(--accent-light);
  text-decoration: none;
}

.cta.outline {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}

.cta.outline:hover {
  background: var(--bg-card);
  border-color: var(--fg-muted);
}

.hero-img {
  width: 100%;
  max-width: 640px;
  border-radius: 16px;
  margin: 24px 0 32px;
  display: block;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  list-style: none;
  margin: 16px 0 24px;
  padding: 0;
}

.feature-list li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--fg);
  margin: 0;
}

.feature-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
}

footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  margin-top: 48px;
  text-align: center;
  color: var(--fg-muted);
  font-size: 13px;
}

footer a {
  color: var(--fg-muted);
  margin: 0 10px;
}

@media (max-width: 600px) {
  h1 { font-size: 28px; }
  main { padding: 32px 20px 64px; }
  .nav a { margin-left: 12px; }
}