/*
  Porfie Blog — shared styles
  Design language: warm paper, orange (#d28f4b) accents, chess-pawn brand.
  Intentionally light + readable — long-form blogs work better on off-white than dark.
  The orange ties it to the app without making you squint.
*/

:root {
  --bg:         #faf8f4;
  --bg-card:    #f3efe8;
  --bg-callout: #fdf3e3;
  --orange:     #d28f4b;
  --orange-dim: #b87838;
  --text:       #2c2520;
  --text-soft:  #6b5f55;
  --text-xsoft: #9e8f84;
  --border:     #e2d9cf;
  --font-sans:  'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;
  --max-w:      680px;
  --radius:     10px;
}

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

html { font-size: 17px; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.75;
}

/* ── Nav ── */
.nav {
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.nav-logo svg { flex-shrink: 0; }
.nav-logo-text { font-weight: 700; font-size: 1.05rem; color: var(--text); letter-spacing: -0.3px; }
.nav-back {
  margin-left: auto;
  font-size: 0.82rem;
  color: var(--text-soft);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 20px;
  transition: background 0.15s;
}
.nav-back:hover { background: var(--bg-card); }

/* ── Hero ── */
.hero {
  max-width: var(--max-w);
  margin: 52px auto 0;
  padding: 0 24px;
}
.tag {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(1.7rem, 5vw, 2.3rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 16px;
}
.hero .subtitle {
  font-size: 1.08rem;
  color: var(--text-soft);
  max-width: 560px;
  margin-bottom: 24px;
}
.meta {
  font-size: 0.8rem;
  color: var(--text-xsoft);
  display: flex;
  gap: 16px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

/* ── Article body ── */
article {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 80px;
}

article h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 44px 0 12px;
  color: var(--text);
  letter-spacing: -0.2px;
}

article h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 28px 0 8px;
  color: var(--orange-dim);
}

article p { margin-bottom: 16px; }

article ul, article ol {
  margin: 0 0 18px 0;
  padding-left: 0;
  list-style: none;
}
article ul li, article ol li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
}
article ul li::before {
  content: '·';
  position: absolute;
  left: 6px;
  color: var(--orange);
  font-weight: 900;
  font-size: 1.2em;
  line-height: 1;
  top: 3px;
}
article ol { counter-reset: ol; }
article ol li::before {
  counter-increment: ol;
  content: counter(ol);
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
  font-size: 0.85em;
  top: 3px;
}

article a { color: var(--orange-dim); text-decoration: underline; text-underline-offset: 3px; }
article a:hover { color: var(--orange); }

article strong { font-weight: 700; color: var(--text); }
article em { font-style: italic; color: var(--text-soft); }

/* ── Callout box ── */
.callout {
  background: var(--bg-callout);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 0.97rem;
}
.callout strong { display: block; margin-bottom: 4px; color: var(--orange-dim); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; }

/* ── Metric card grid ── */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin: 24px 0;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.metric-card .label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-xsoft);
  margin-bottom: 4px;
}
.metric-card .value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: -0.5px;
}
.metric-card .desc {
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-top: 4px;
}

/* ── Screenshot placeholder ── */
.screenshot {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin: 28px 0;
  text-align: center;
}
.screenshot img { max-width: 100%; border-radius: 6px; display: block; }
.screenshot figcaption {
  font-size: 0.78rem;
  color: var(--text-xsoft);
  margin-top: 10px;
  font-style: italic;
}

/* ── CTA block ── */
.cta-block {
  background: linear-gradient(135deg, #2c2520 0%, #3d342c 100%);
  border-radius: 14px;
  padding: 32px 28px;
  margin: 48px 0 32px;
  text-align: center;
}
.cta-block h3 {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.cta-block p {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.btn-cta {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}
.btn-cta:hover { background: var(--orange-dim); transform: translateY(-1px); color: #fff; }

/* ── FAQ ── */
.faq { margin: 40px 0; }
.faq h2 { margin-top: 0; }
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.97rem;
}
.faq summary::after { content: '+'; color: var(--orange); font-size: 1.2em; flex-shrink: 0; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin: 12px 0 4px; font-size: 0.94rem; color: var(--text-soft); }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-xsoft);
}
footer a { color: var(--text-xsoft); }

/* ── Responsive ── */
@media (max-width: 480px) {
  .hero, article { padding-left: 18px; padding-right: 18px; }
  .metrics { grid-template-columns: 1fr 1fr; }
}