/* SuperPadhai Blog — article typography and brand-matched layout.
   Static (no React) — keep file small, no preprocessing. */

:root {
  --sp-ink-red: #d32f2f;
  --sp-ink-blue: #1565c0;
  --sp-ink-green: #2e7d32;
  --sp-ink-purple: #7b1fa2;
  --sp-ink-black: #1a1a1a;
  --sp-ink-pencil: #546e7a;

  --sp-paper-cream: #fffdf0;
  --sp-paper-warm: #faf6ed;
  --sp-paper-line: #c8d6ea;

  --sp-coral: #FF6B5B;
  --sp-gold: #E8B86D;
  --sp-sage: #A8C5B5;

  --sp-sticky-yellow: #fff9c4;
  --sp-sticky-pink: #fce4ec;
  --sp-sticky-blue: #e3f2fd;

  --sp-font-display: 'DM Serif Display', Georgia, serif;
  --sp-font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --sp-font-hand: 'Kalam', cursive;
  --sp-font-annotation: 'Caveat', cursive;
  --sp-font-neat: 'Patrick Hand', cursive;
  --sp-font-mono: 'SF Mono', 'Monaco', 'Consolas', monospace;

  --sp-shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.08);
  --sp-shadow-lifted: 0 12px 40px rgba(0, 0, 0, 0.12);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

a {
  color: inherit;
}

/* READING PROGRESS BAR */
.sp-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--sp-coral);
  z-index: 1000;
  transition: width 80ms ease-out;
  pointer-events: none;
}

/* BODY */
.sp-blog {
  font-family: var(--sp-font-body);
  color: var(--sp-ink-black);
  background: var(--sp-paper-warm);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 18px;
}

/* NAV */
.sp-blog-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 237, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sp-blog-brand {
  font-family: var(--sp-font-display);
  font-size: 22px;
  text-decoration: none;
  color: var(--sp-ink-black);
  letter-spacing: -0.01em;
}
.sp-blog-cta {
  font-size: 14px;
  text-decoration: none;
  background: var(--sp-coral);
  color: white;
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 600;
  transition: transform 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}
.sp-blog-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 107, 91, 0.3);
}

/* ARTICLE CONTAINER */
.sp-blog-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* HEADER */
.sp-blog-header {
  margin-bottom: 32px;
}
.sp-blog-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--sp-coral);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.sp-blog-title {
  font-family: var(--sp-font-display);
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.15;
  color: var(--sp-ink-black);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.sp-blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--sp-ink-pencil);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding-bottom: 24px;
}
.sp-blog-author-block {
  display: flex;
  flex-direction: column;
}
.sp-blog-author-name {
  font-weight: 600;
  color: var(--sp-ink-black);
  font-size: 15px;
}
.sp-blog-author-credential {
  font-size: 13px;
  color: var(--sp-ink-pencil);
  margin-top: 2px;
}
.sp-blog-meta-right {
  display: flex;
  gap: 6px;
}

/* HERO IMAGE */
.post-hero {
  margin: 0 0 40px;
}
.post-hero img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--sp-shadow-lifted);
}

/* INLINE FIGURES */
.sp-blog-body figure:not(.post-hero) {
  margin: 36px 0;
}
.sp-blog-body figure img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--sp-shadow-soft);
}
.sp-blog-body figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--sp-ink-pencil);
  text-align: center;
}

/* BODY TYPOGRAPHY */
.sp-blog-body h2 {
  font-family: var(--sp-font-display);
  font-size: clamp(24px, 3.5vw, 32px);
  line-height: 1.2;
  margin: 56px 0 16px;
  color: var(--sp-ink-black);
  scroll-margin-top: 80px;
  letter-spacing: -0.01em;
}
.sp-blog-body h3 {
  font-family: var(--sp-font-body);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.3;
  margin: 32px 0 12px;
  color: var(--sp-ink-black);
}
.sp-blog-body p {
  margin: 0 0 18px;
  font-size: 18px;
  line-height: 1.75;
}
.sp-blog-body strong {
  font-weight: 600;
  color: var(--sp-ink-black);
}
.sp-blog-body em {
  font-style: italic;
}
.sp-blog-body a {
  color: var(--sp-ink-blue);
  text-decoration: underline;
  text-decoration-color: rgba(21, 101, 192, 0.35);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.15s;
}
.sp-blog-body a:hover {
  text-decoration-color: var(--sp-ink-blue);
}
.sp-blog-body ul,
.sp-blog-body ol {
  margin: 0 0 18px 24px;
}
.sp-blog-body li {
  margin-bottom: 8px;
}
.sp-blog-body code {
  font-family: var(--sp-font-mono);
  background: rgba(255, 235, 59, 0.25);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.92em;
}

/* TL;DR / "What you'll learn" — first blockquote in the body, sticky-yellow */
.sp-blog-body > blockquote:first-of-type {
  background: var(--sp-sticky-yellow);
  border-left: 4px solid var(--sp-gold);
  padding: 22px 26px;
  margin: 32px 0 40px;
  border-radius: 6px;
  font-size: 16px;
}
.sp-blog-body > blockquote:first-of-type p {
  margin: 0 0 8px;
}
.sp-blog-body > blockquote:first-of-type strong {
  font-family: var(--sp-font-display);
  font-size: 18px;
  display: block;
  margin-bottom: 12px;
  color: var(--sp-ink-black);
  font-weight: 400;
}
.sp-blog-body > blockquote:first-of-type ul {
  margin: 0 0 0 20px;
  padding: 0;
}
.sp-blog-body > blockquote:first-of-type li {
  margin-bottom: 6px;
}

/* CITATION CAPSULES — wrapped by build script in <aside class="citation-capsule"> */
.sp-blog-body .citation-capsule {
  background: var(--sp-sticky-blue);
  border-left: 4px solid var(--sp-ink-blue);
  padding: 18px 22px;
  margin: 32px 0;
  border-radius: 6px;
  font-size: 16px;
}
.sp-blog-body .citation-capsule p {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
}
.sp-blog-body .citation-capsule strong:first-child {
  color: var(--sp-ink-blue);
  margin-right: 4px;
}

/* CALLOUTS — <aside class="callout callout-warning"> */
.sp-blog-body .callout {
  background: var(--sp-paper-cream);
  border-left: 4px solid var(--sp-coral);
  padding: 16px 22px;
  margin: 28px 0;
  border-radius: 6px;
  font-size: 16px;
  font-family: var(--sp-font-annotation);
  font-size: 19px;
  line-height: 1.5;
}
.sp-blog-body .callout-warning {
  background: rgba(255, 107, 91, 0.08);
}
.sp-blog-body .callout strong {
  color: var(--sp-coral);
  margin-right: 4px;
  font-family: var(--sp-font-body);
  font-size: 16px;
}

/* SUMMARY TABLE — markdown tables in body */
.sp-blog-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0 36px;
  font-size: 15px;
  background: var(--sp-paper-cream);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--sp-shadow-soft);
}
.sp-blog-body thead th {
  background: var(--sp-ink-black);
  color: white;
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  font-family: var(--sp-font-body);
  font-size: 14px;
  letter-spacing: 0.02em;
}
.sp-blog-body tbody td {
  padding: 12px 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  vertical-align: top;
  line-height: 1.55;
}
.sp-blog-body tbody tr:nth-child(odd) td {
  background: rgba(0, 0, 0, 0.015);
}
.sp-blog-body tbody td:first-child {
  font-weight: 600;
  color: var(--sp-coral);
  width: 36px;
  text-align: center;
}
@media (max-width: 640px) {
  .sp-blog-body table {
    font-size: 14px;
  }
  .sp-blog-body thead th,
  .sp-blog-body tbody td {
    padding: 10px 12px;
  }
}

/* AUTHOR BIO — at end of article body */
.sp-blog-body .author-bio {
  margin: 48px 0 8px;
  padding: 24px 28px;
  background: var(--sp-paper-cream);
  border-left: 4px solid var(--sp-sage);
  border-radius: 6px;
}
.sp-blog-body .author-bio h3 {
  font-family: var(--sp-font-display);
  font-size: 22px;
  margin: 0 0 12px;
  font-weight: 400;
  color: var(--sp-ink-black);
}
.sp-blog-body .author-bio p {
  font-size: 16px;
  margin-bottom: 10px;
  line-height: 1.65;
}
.sp-blog-body .author-bio p:last-child {
  margin-bottom: 0;
  font-size: 15px;
}
.sp-blog-body .author-bio a {
  color: var(--sp-ink-blue);
  font-weight: 500;
}

/* FOOTER */
.sp-blog-footer {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  font-size: 15px;
  color: var(--sp-ink-pencil);
}
.sp-blog-author-byline {
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--sp-ink-black);
}
.sp-blog-author-byline strong {
  font-family: var(--sp-font-display);
  font-size: 18px;
  font-weight: 400;
  color: var(--sp-ink-black);
}
.sp-blog-back {
  margin-top: 24px;
}
.sp-blog-back a {
  color: var(--sp-ink-blue);
  font-weight: 500;
}

/* RESPONSIVE */
@media (max-width: 640px) {
  .sp-blog {
    font-size: 17px;
  }
  .sp-blog-article {
    padding: 24px 18px 64px;
  }
  .sp-blog-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .post-hero {
    margin: 0 -18px 28px;
  }
  .post-hero img {
    border-radius: 0;
  }
  .sp-blog-body figure:not(.post-hero) {
    margin: 28px -18px;
  }
  .sp-blog-body figure img {
    border-radius: 0;
  }
  .sp-blog-body p,
  .sp-blog-body li {
    font-size: 17px;
  }
  .sp-blog-nav {
    padding: 12px 18px;
  }
  .sp-blog-cta {
    font-size: 13px;
    padding: 8px 14px;
  }
}