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

:root {
  --blue:   #3B82F6;
  --indigo: #4F46E5;
  --dark:   #0F0F1A;
  --text:   #F8FAFF;
  --muted:  #BDC8E0;
  --card:   rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.1);
}

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(160deg, #1e3a8a 0%, var(--indigo) 40%, var(--dark) 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 1.5rem 2rem;
  width: 100%;
}

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

.icon-wrap {
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.tagline {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 420px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.once {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  letter-spacing: 0.01em;
}

.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  backdrop-filter: blur(8px);
  transition: background 0.2s;
}

.app-store-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.app-store-btn:not(.disabled):hover {
  background: rgba(255,255,255,0.18);
}

.app-store-btn.disabled {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

/* ── Features ── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
}

.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  backdrop-filter: blur(8px);
}

.feature-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 0.75rem;
}

.feature h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.feature p {
  font-size: 0.9rem;
  color: #D1DCF0;
  line-height: 1.55;
}

/* ── Prose (privacy page) ── */
.prose .back {
  display: inline-block;
  color: var(--blue);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.prose .back:hover { text-decoration: underline; }

.prose h1 {
  font-size: 2rem;
  margin-bottom: 0.25rem;
  text-align: left;
}

.prose .meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 2rem;
}

.prose h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 2rem 0 0.5rem;
}

.prose p, .prose li {
  font-size: 0.95rem;
  color: #D8E2F4;
  line-height: 1.7;
}

.prose ul {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

/* ── FAQ ── */
.faq {
  margin-top: 4rem;
}

.faq h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
}

.faq dl {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  backdrop-filter: blur(8px);
}

.faq-item dt {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.faq-item dd {
  font-size: 0.9rem;
  color: #D1DCF0;
  line-height: 1.6;
  margin: 0;
}

.faq-item dd a {
  color: #93C5FD;
}

.faq-item dd a:hover {
  color: var(--text);
}

/* ── Changelog ── */
.changelog {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.version-entry {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  backdrop-filter: blur(8px);
}

.version-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
  flex-wrap: wrap;
}

.version-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.version-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.version-status.live {
  background: rgba(34, 197, 94, 0.2);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.version-status.review {
  background: rgba(251, 146, 60, 0.2);
  color: #fdba74;
  border: 1px solid rgba(251, 146, 60, 0.3);
}

.version-status.development {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.version-status.released {
  background: rgba(148, 163, 184, 0.1);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.15);
}

.version-date {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.version-entry ul {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.version-entry li {
  font-size: 0.9rem;
  color: #D8E2F4;
  line-height: 1.6;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
}

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

footer a:hover {
  color: var(--text);
}

footer span {
  color: var(--muted);
}

footer p {
  margin-top: 0.75rem;
  color: rgba(255,255,255,0.35);
}