/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #FAFAF8;          /* off-white — page background (matches app) */
  --surface: #F2F2EE;     /* soft surface */
  --accent: #FD8D3D;      /* brand / buttons (orange) */
  --accent-dark: #E67A2B; /* hover */
  --accent-pale: #FFEEDF; /* pill background */
  --ink: #1A1A18;         /* headings / primary text */
  --ink-soft: #3B3B36;    /* body text */
  --muted: #6E6E68;       /* secondary text */
  --border: #D8D8D3;      /* subtle border */
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace; /* app font */
}

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--ink-soft);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
  height: auto;
}

/* ===== Layout ===== */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

main {
  flex: 1;
}

/* ===== Header (inner pages) ===== */
.site-header {
  padding: 1.25rem 0;
}

.back-link {
  font-size: 0.95rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: opacity 0.2s;
}

.back-link:hover {
  opacity: 0.7;
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 5rem 0 3rem;
}

.hero h1 {
  text-align: left;
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: var(--ink);
}

.hero .lines {
  text-align: left;
  margin-bottom: 2.5rem;
}

.hero .lines p {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.hero .lines p:last-child {
  margin-bottom: 0;
}

/* ===== Button stack ===== */
.stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 220px;
  height: 48px;
  padding: 0 1rem;
  border-radius: 4px;
  font-size: 0.875rem;
  line-height: 1;
  white-space: nowrap;
}

.coming-soon {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--ink);
  background: var(--accent-pale);
  border: 1.5px solid var(--border);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.link-card {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(26, 26, 24, 0.08);
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}

.link-card:hover {
  background: var(--accent-dark);
  box-shadow: 0 6px 18px rgba(26, 26, 24, 0.14);
  transform: translateY(-2px);
}

/* ===== Content Pages ===== */
.page-content {
  padding: 2rem 0 4rem;
}

.page-content h1 {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.page-content .subtitle {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.page-content h2 {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.page-content p,
.page-content ul,
.page-content ol {
  margin-bottom: 1rem;
  color: var(--ink-soft);
}

.page-content ul,
.page-content ol {
  padding-left: 1.5rem;
}

.page-content li {
  margin-bottom: 0.5rem;
}

.page-content strong {
  color: var(--ink);
}

.page-content a {
  color: var(--ink);
  font-weight: 500;
  border-bottom: 2px solid var(--accent);
  transition: border-color 0.2s;
}

.page-content a:hover {
  border-color: var(--accent-dark);
}

/* ===== Footer ===== */
.site-footer {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ===== Mobile ===== */
@media (max-width: 480px) {
  .hero {
    padding: 3.5rem 0 2rem;
  }
  .hero h1 {
    font-size: 1.85rem;
  }
  .hero .lines p {
    font-size: 1.05rem;
  }
}