/* ==========================================================================
   Guitar Flow — Blog
   Built on the same tokens as the landing (colors_and_type.css + styles.css).
   One accent (red). Warm paper. Space Grotesk display, JetBrains Mono labels.
   ========================================================================== */

/* ==========================================================================
   INDEX
   ========================================================================== */
/* Current-section nav link — desaturated red accent */
.nav-current { color: var(--red-700); }
.nav-current:hover { color: var(--red-700); }

.blog-hero { padding: 88px 0 8px; }
.blog-hero__eyebrow { margin-bottom: 20px; }
.blog-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 6vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--ink-900);
  margin: 0;
}
.blog-hero__sub {
  font-size: 19px; line-height: 1.5; color: var(--fg-2);
  max-width: 46ch; margin: 22px 0 0;
}

.post-list { padding-top: 40px; padding-bottom: 96px; }

/* Featured (first) post */
.post-feat {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  padding: 0 0 56px;
  border-bottom: 1px solid var(--border-1);
  margin-bottom: 8px;
}
.post-feat__art {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--ink-50);
  border: 1px solid var(--border-1);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.post-feat__art img {
  width: 58%; height: auto;
  filter: drop-shadow(0 18px 36px rgba(0,0,0,0.18));
  transform: rotate(-4deg);
  transition: transform var(--dur-slow) var(--ease);
}
.post-feat:hover .post-feat__art img { transform: rotate(-2deg) translateY(-4px); }
/* Photo variant — full-bleed cover instead of a floating card */
.post-feat__art--photo { background: var(--paper); }
.post-feat__art--photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: none; transform: none;
  transition: transform var(--dur-slow) var(--ease);
}
.post-feat:hover .post-feat__art--photo img { transform: scale(1.03); }
.post-feat__meta { margin-bottom: 18px; }
.post-feat__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.08; letter-spacing: -0.02em;
  color: var(--ink-900); margin: 0;
  text-wrap: balance;
}
.post-feat__title a { text-decoration: none; color: inherit; }
.post-feat__excerpt {
  font-size: 17px; line-height: 1.6; color: var(--fg-2);
  margin: 18px 0 24px; max-width: 48ch;
}

/* Meta row (date · category · read time) */
.post-meta {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: var(--fg-3);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.post-meta__cat { color: var(--accent-700); text-transform: uppercase; letter-spacing: 0.1em; }
.post-meta__dot { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-300); }

/* "Lire l'article" link */
.read-more {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-900); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
}
.read-more__arrow { transition: transform var(--dur) var(--ease); }
.read-more:hover .read-more__arrow { transform: translateX(4px); }

/* Standard rows */
.post {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 40px; align-items: baseline;
  padding: 34px 0;
  border-bottom: 1px solid var(--border-1);
  text-decoration: none;
  transition: padding-left var(--dur-slow) var(--ease);
}
.post:hover { padding-left: 10px; }
.post__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 24px; line-height: 1.2; letter-spacing: -0.015em;
  color: var(--ink-900); margin: 0 0 8px;
}
.post__excerpt { font-size: 15px; line-height: 1.55; color: var(--fg-2); margin: 0; max-width: 54ch; }
.post__meta-col { padding-top: 5px; }
.post__more {
  align-self: center;
  font-family: var(--font-mono); font-size: 18px; color: var(--ink-300);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.post:hover .post__more { color: var(--accent-500); transform: translateX(4px); }

@media (max-width: 820px) {
  .post-feat { grid-template-columns: 1fr; gap: 28px; }
  .post-feat__art { order: -1; aspect-ratio: 16 / 10; }
  .post { grid-template-columns: 1fr; gap: 10px; }
  .post__meta-col { padding-top: 0; }
  .post__more { display: none; }
}

/* ==========================================================================
   ARTICLE
   ========================================================================== */
.article { padding: 56px 0 0; }
.article__head { max-width: 760px; margin: 0 auto; padding: 0 0 12px; }
.article__back {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--fg-3); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 34px;
}
.article__back:hover { color: var(--ink-900); }
.article__back .a { transition: transform var(--dur) var(--ease); }
.article__back:hover .a { transform: translateX(-4px); }
.article__meta { margin-bottom: 22px; }
.article__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.04; letter-spacing: -0.03em;
  color: var(--ink-900); margin: 0;
  text-wrap: balance;
}
.article__intro {
  font-size: 21px; line-height: 1.5; color: var(--fg-1);
  margin: 28px 0 0; font-weight: 400;
  text-wrap: pretty;
}
.article__rule { max-width: 760px; margin: 48px auto 0; border: 0; border-top: 1px solid var(--border-1); }

/* Body column */
.article__body { max-width: 680px; margin: 0 auto; padding: 44px 0 0; }
.article__body > p {
  font-size: 18px; line-height: 1.72; color: var(--fg-2);
  margin: 0 0 28px; text-wrap: pretty;
}
.article__body > p:last-child { margin-bottom: 0; }
.article__body strong { color: var(--ink-900); font-weight: 600; }
.article__body em { font-style: italic; }

/* Callout — a real bordered sheet, not a left-stripe trope */
.callout {
  background: var(--paper);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  padding: 28px 30px;
  margin: 4px 0 36px;
  box-shadow: var(--shadow-1);
}
.callout__label {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-700); display: block; margin-bottom: 10px;
}
.callout p { font-size: 17px; line-height: 1.6; color: var(--ink-800); margin: 0; }

/* Numbered step blocks */
.steps-list { margin: 8px 0 40px; display: flex; flex-direction: column; gap: 8px; }
.step-block {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0 28px;
  padding: 32px 0;
  border-top: 1px solid var(--border-1);
}
.step-block:last-child { border-bottom: 1px solid var(--border-1); }
.step-block__num {
  font-family: var(--font-mono); font-weight: 700;
  font-size: 28px; line-height: 1; color: var(--accent-500);
  letter-spacing: -0.02em;
}
.step-block__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 25px; line-height: 1.15; letter-spacing: -0.015em;
  color: var(--ink-900); margin: 2px 0 14px;
}
.step-block__body { font-size: 17px; line-height: 1.68; color: var(--fg-2); }
.step-block__body p { margin: 0 0 16px; }
.step-block__body p:last-child { margin-bottom: 0; }

/* Inline action/objectif/impact note */
.note { margin: 0 0 14px; }
.note__k {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-700); margin-right: 10px;
}

/* Question / sub list inside a step */
.q-list { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.q-list li {
  position: relative; padding-left: 26px;
  font-size: 16px; line-height: 1.5; color: var(--ink-800);
}
.q-list li::before {
  content: "?"; position: absolute; left: 0; top: 0;
  font-family: var(--font-mono); font-weight: 700; font-size: 14px;
  color: var(--accent-500);
}

/* Definition-style list (step 5 variables) */
.var-list { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.var-list li {
  display: grid; grid-template-columns: 130px 1fr; gap: 16px;
  align-items: baseline;
  padding-bottom: 14px; border-bottom: 1px dashed var(--border-2);
  font-size: 16px; line-height: 1.5; color: var(--fg-2);
}
.var-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.var-list .var-k {
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  color: var(--ink-900); letter-spacing: 0.01em;
}

.step-kicker {
  font-size: 18px; line-height: 1.6; color: var(--ink-800);
  margin: 0 0 16px; font-weight: 500;
}

/* Article end CTA */
.article-cta {
  max-width: 680px; margin: 8px auto 0; padding: 40px 0 0;
  border-top: 1px solid var(--border-1);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.article-cta__txt { font-family: var(--font-display); font-weight: 600; font-size: 19px; color: var(--ink-900); }
.article-cta__txt span { color: var(--fg-3); display: block; font-weight: 400; font-size: 15px; margin-top: 4px; }

.article-foot { padding: 64px 0 0; }

@media (max-width: 720px) {
  .step-block { grid-template-columns: 1fr; gap: 0; }
  .step-block__num { font-size: 22px; margin-bottom: 10px; }
  .var-list li { grid-template-columns: 1fr; gap: 4px; }
  .article__body { padding-top: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .post, .post__more, .read-more__arrow, .post-feat__art img,
  .article__back .a { transition: none; }
}