/*
Theme Name: SD Library
Theme URI: https://blog.stevendossou.com
Description: Editorial blog theme for Steven Dossou, matched to the design system of stevendossou.com. Child theme of Hello Elementor.
Author: Steven Dossou
Author URI: https://www.stevendossou.com
Template: hello-elementor
Version: 1.0.0
Text Domain: sd-library
*/

/* ============================================================
   1. Design tokens, lifted from stevendossou.com
   ============================================================ */
:root {
  --radius: 3px;
  --ink: #14181c;
  --paper: #efebde;
  --paper-raise: #f7f4ea;
  --line: #d4cdb9;
  --rust: #b5502d;
  --rust-tint: #f2dfd2;
  --teal: #1f6f63;
  --teal-tint: #dbe9e2;
  --brass: #a97a2c;
  --brass-tint: #efe1c4;
  --muted: #615e53;
  --font-display: "Montserrat", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --wrap: 1120px;
  --wrap-narrow: 720px;
}

/* ============================================================
   2. Reset and base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

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

body.sd-body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

a:hover { color: var(--rust); }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 0.5em;
  color: var(--ink);
}

p { margin: 0 0 1.15em; }

hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

::selection { background: var(--rust); color: #fff; }

.sd-wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.sd-narrow { max-width: var(--wrap-narrow); }

.sd-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
  display: block;
}

.sd-eyebrow a { color: var(--rust); }

.sd-rule { height: 1px; background: var(--line); width: 100%; }

/* ============================================================
   3. Ticker and header
   ============================================================ */
.sd-ticker {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 9px 0;
  overflow: hidden;
  white-space: nowrap;
}

.sd-ticker span { opacity: 0.72; }

.sd-ticker .sd-sep { color: var(--rust); opacity: 1; padding: 0 10px; }

.sd-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(239, 235, 222, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.sd-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.sd-wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.sd-wordmark .sd-dot { color: var(--rust); }

.sd-wordmark small {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 3px;
}

.sd-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.sd-nav a { position: relative; padding: 4px 0; color: var(--ink); white-space: nowrap; }

.sd-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--rust);
  transition: width 0.22s ease;
}

.sd-nav a:hover::after, .sd-nav a.is-current::after { width: 100%; }

.sd-nav a.is-current { color: var(--rust); }

.sd-cta {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 11px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  transition: background 0.2s ease, color 0.2s ease;
}

.sd-cta:hover { background: var(--rust); border-color: var(--rust); color: #fff; }

.sd-cta-ghost { background: transparent; color: var(--ink); }

.sd-cta-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.sd-burger {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--ink);
}

/* ============================================================
   4. Hero
   ============================================================ */
.sd-hero { padding: 78px 0 54px; border-bottom: 1px solid var(--line); }

.sd-hero h1 {
  font-size: clamp(38px, 6vw, 66px);
  font-weight: 800;
  max-width: 17ch;
  margin-bottom: 26px;
}

.sd-hero h1 em { font-style: normal; color: var(--rust); }

.sd-hero-lead {
  font-size: 19px;
  line-height: 1.6;
  max-width: 62ch;
  color: #2a2f35;
}

.sd-hero-lead strong { font-weight: 600; }

.sd-hero-note {
  margin-top: 22px;
  padding-left: 16px;
  border-left: 2px solid var(--rust);
  font-size: 15.5px;
  color: var(--muted);
  max-width: 58ch;
}

/* ============================================================
   5. Pillar grid
   ============================================================ */
.sd-section { padding: 62px 0; border-bottom: 1px solid var(--line); }

.sd-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}

.sd-section-head h2 { font-size: clamp(24px, 3.2vw, 34px); margin: 0; }

.sd-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.sd-pillar {
  background: var(--paper-raise);
  padding: 26px 22px 24px;
  display: flex;
  flex-direction: column;
  min-height: 200px;
  transition: background 0.2s ease;
}

.sd-pillar:hover { background: #fffdf6; }

.sd-pillar .sd-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rust);
  margin-bottom: 16px;
}

.sd-pillar h3 { font-size: 19px; margin-bottom: 10px; }

.sd-pillar p { font-size: 14.5px; color: var(--muted); line-height: 1.55; margin: 0; }

.sd-pillar .sd-count {
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}

.sd-pillar .sd-count::after { content: " \2192"; color: var(--rust); }

/* ============================================================
   6. Post list
   ============================================================ */
.sd-posts { border-top: 1px solid var(--line); }

.sd-post-row {
  display: grid;
  grid-template-columns: 132px 1fr auto;
  gap: 28px;
  align-items: start;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.2s ease;
}

.sd-post-row:hover { padding-left: 8px; }

.sd-post-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.9;
  padding-top: 5px;
}

.sd-post-meta .sd-cat { color: var(--rust); display: block; }

.sd-post-body h2, .sd-post-body h3 {
  font-size: clamp(20px, 2.4vw, 27px);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.sd-post-body p { font-size: 15.5px; color: var(--muted); margin: 0; max-width: 68ch; }

.sd-post-arrow {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--line);
  padding-top: 4px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.sd-post-row:hover .sd-post-arrow { color: var(--rust); transform: translateX(4px); }

.sd-empty {
  padding: 54px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ============================================================
   7. Single post
   ============================================================ */
.sd-article { padding: 60px 0 40px; }

.sd-article-head { max-width: var(--wrap-narrow); margin: 0 auto 38px; }

.sd-article-head h1 {
  font-size: clamp(32px, 4.6vw, 50px);
  font-weight: 800;
  margin-bottom: 20px;
}

.sd-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.sd-article-meta .sd-cat { color: var(--rust); }

.sd-featured { max-width: var(--wrap-narrow); margin: 0 auto 38px; }

.sd-featured img { border-radius: var(--radius); border: 1px solid var(--line); width: 100%; }

.sd-content {
  max-width: var(--wrap-narrow);
  margin: 0 auto;
  font-size: 17.5px;
  line-height: 1.75;
}

.sd-content > * { margin-left: auto; margin-right: auto; }

.sd-content h2 {
  font-size: 28px;
  margin: 2em 0 0.6em;
  padding-top: 0.6em;
  border-top: 1px solid var(--line);
}

.sd-content h3 { font-size: 21px; margin: 1.7em 0 0.5em; }

.sd-content h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rust);
  margin: 1.8em 0 0.6em;
}

.sd-content ul, .sd-content ol { padding-left: 22px; margin: 0 0 1.3em; }

.sd-content li { margin-bottom: 0.55em; }

.sd-content li::marker { color: var(--rust); }

.sd-content a { color: var(--rust); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }

.sd-content a:hover { background: var(--rust-tint); }

.sd-content blockquote {
  margin: 1.8em 0;
  padding: 4px 0 4px 22px;
  border-left: 2px solid var(--rust);
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.sd-content blockquote p:last-child { margin-bottom: 0; }

.sd-content img { border-radius: var(--radius); border: 1px solid var(--line); margin: 1.6em auto; }

.sd-content figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  margin-top: 10px;
}

.sd-content table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-size: 15px; }

.sd-content th, .sd-content td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }

.sd-content th { background: var(--paper-raise); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }

.sd-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--paper-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1px 5px;
}

.sd-content pre {
  background: var(--ink);
  color: var(--paper);
  padding: 18px;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 14px;
  margin: 1.6em 0;
}

.sd-content pre code { background: none; border: 0; color: inherit; padding: 0; }

/* Key takeaways / callout block */
.sd-callout {
  background: var(--paper-raise);
  border: 1px solid var(--line);
  border-left: 2px solid var(--teal);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 1.9em 0;
}

.sd-callout > p:last-child { margin-bottom: 0; }

/* ============================================================
   8. Author box, CTA, pagination
   ============================================================ */
.sd-authorbox {
  max-width: var(--wrap-narrow);
  margin: 52px auto 0;
  padding: 28px;
  background: var(--paper-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  gap: 22px;
  align-items: flex-start;
}

.sd-authorbox h4 { font-family: var(--font-display); font-size: 17px; text-transform: none; letter-spacing: -0.01em; color: var(--ink); margin: 0 0 8px; }

.sd-authorbox p { font-size: 15px; color: var(--muted); margin: 0 0 14px; }

.sd-cta-band {
  background: var(--ink);
  color: var(--paper);
  padding: 54px 0;
}

.sd-cta-band h2 { color: var(--paper); font-size: clamp(24px, 3.4vw, 36px); max-width: 20ch; }

.sd-cta-band p { color: rgba(239, 235, 222, 0.72); max-width: 56ch; font-size: 16px; }

.sd-cta-band .sd-eyebrow { color: var(--brass); }

.sd-cta-band .sd-cta { background: var(--rust); border-color: var(--rust); color: #fff; }

.sd-cta-band .sd-cta:hover { background: var(--paper); border-color: var(--paper); color: var(--ink); }

.sd-cta-band .sd-cta-ghost { background: transparent; border-color: rgba(239, 235, 222, 0.35); color: var(--paper); }

.sd-cta-band .sd-cta-ghost:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }

.sd-btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.sd-pagination {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 34px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sd-pagination a { color: var(--ink); }

.sd-pagination a:hover { color: var(--rust); }

.sd-prevnext {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  max-width: var(--wrap-narrow);
  margin: 52px auto 0;
  overflow: hidden;
}

.sd-prevnext > div { background: var(--paper-raise); padding: 22px; min-height: 108px; }

.sd-prevnext .sd-eyebrow { margin-bottom: 8px; }

.sd-prevnext strong { font-family: var(--font-display); font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }

/* ============================================================
   9. Footer
   ============================================================ */
.sd-footer { background: var(--paper); padding: 54px 0 34px; border-top: 1px solid var(--line); }

.sd-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.sd-footer h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}

.sd-footer ul { list-style: none; margin: 0; padding: 0; }

.sd-footer li { margin-bottom: 9px; font-size: 14.5px; }

.sd-footer-blurb { font-size: 14.5px; color: var(--muted); max-width: 38ch; }

.sd-footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ============================================================
   10. Responsive
   ============================================================ */
@media (max-width: 900px) {
  .sd-footer-grid { grid-template-columns: 1fr 1fr; }
  .sd-post-row { grid-template-columns: 1fr; gap: 12px; }
  .sd-post-meta { padding-top: 0; line-height: 1.7; }
  .sd-post-meta .sd-cat { display: inline; }
  .sd-post-meta .sd-cat::after { content: " / "; color: var(--line); }
  .sd-post-arrow { display: none; }
}

@media (max-width: 780px) {
  .sd-burger { display: inline-block; }
  .sd-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper-raise);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 18px;
  }
  .sd-nav.is-open { display: flex; }
  .sd-nav a { padding: 11px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .sd-header-inner { position: relative; }
  .sd-header .sd-cta { display: none; }
  .sd-hero { padding: 52px 0 40px; }
  .sd-authorbox { flex-direction: column; gap: 14px; }
  .sd-prevnext { grid-template-columns: 1fr; }
  .sd-ticker { font-size: 9.5px; }
}

@media (max-width: 520px) {
  body.sd-body { font-size: 16px; }
  .sd-footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .sd-content { font-size: 16.5px; }
}