/* Tancho — Icon palette: charcoal, white, red (Tanchozuru) */
:root {
  --bg: #1e1e1e;
  --bg-elevated: #2a2a2a;
  --text: #f5f5f5;
  --text-muted: #a0a0a0;
  --accent: #c0392b;
  --accent-light: #e74c3c;
  --border: #3a3a3a;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.site-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
}

/* Hero */
.hero {
  padding: 4rem 0;
  text-align: center;
}

.hero-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.5rem;
  object-fit: contain;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--white);
}

.hero .tagline {
  margin: 0;
  font-size: 1.125rem;
  color: var(--text-muted);
}

/* Sections */
section {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.section-title {
  margin: 0 0 1.5rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
}

/* Features grid */
.features {
  display: grid;
  gap: 1.5rem;
}

.feature {
  padding: 1.25rem;
  background: var(--bg-elevated);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--accent-light);
}

.feature p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* How to use */
.how-to {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.how-to-block {
  padding: 1.25rem;
  background: var(--bg-elevated);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.how-to-block h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--accent-light);
}

.how-to-block p {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--text);
}

.how-to-block p:last-child {
  margin-bottom: 0;
}

.how-to-block ol {
  margin: 0.5rem 0 0.75rem;
  padding-left: 1.5rem;
  color: var(--text);
}

.how-to-block ol li {
  margin-bottom: 0.35rem;
}

.how-to-note {
  margin-top: 1rem !important;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.how-to-note strong {
  color: var(--text);
}

/* Name story */
.name-story {
  background: var(--bg-elevated);
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 4px solid var(--accent);
}

.name-story p {
  margin: 0;
  color: var(--text);
}

/* Release notes */
.release-notes h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1rem;
  color: var(--text-muted);
}

.release-notes h3:first-child {
  margin-top: 0;
}

.release-notes ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--text);
}

.release-notes li {
  margin-bottom: 0.25rem;
}

/* Download */
.download-box {
  text-align: center;
  padding: 2rem;
  background: var(--bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.download-box .version {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.25rem 0.75rem;
  background: var(--accent);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 6px;
}

.download-box h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  color: var(--white);
}

.download-box p {
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.btn-download {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: var(--white) !important;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.2s;
}

.btn-download:hover {
  background: var(--accent-light);
}

.requirements {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--accent-light);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* Download counter page (standalone) */
.counter-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.counter-box {
  text-align: center;
}

.counter-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.counter-label {
  font-size: 1rem;
  color: var(--text-muted);
}