/* ==========================================================================
   petr-soukup.info — Článek (Aktuality)
   Design systém „Signál" v1.0
   ========================================================================== */

/* --- Hlavička článku --------------------------------------------------- */
.article-hero {
  padding: clamp(48px, 8vw, 72px) var(--page-x) clamp(40px, 6vw, 56px);
}

.article-hero__inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

.article-hero__back {
  margin-bottom: 8px;
}

.article-hero__title {
  color: var(--paper);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: var(--lh-h1);
  letter-spacing: var(--ls-h1);
}

.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  font-family: var(--font-mono);
  font-size: var(--size-mono);
  color: var(--on-ink-muted);
  border-top: 1px solid var(--ink-ring-outer);
  padding-top: 18px;
  width: 100%;
}

.article-hero__author {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--paper);
}

.article-hero__avatar {
  width: 34px;
  height: 34px;
  background: var(--signal);
  color: var(--ink);
  font-weight: 800;
  font-family: var(--font-sans);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Tělo článku ------------------------------------------------------- */
.article-body {
  padding: var(--section-y) var(--page-x);
  background: var(--paper);
}

.article-body__inner {
  max-width: 820px;
  margin: 0 auto;
  font-size: 1.063rem;
  line-height: 1.75;
  color: var(--text-body);
}

.article-body p {
  margin-bottom: 1.6rem;
  font-size: 1.063rem;
  line-height: 1.75;
}

.article-body p.lede {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 2.2rem;
}

.article-body h2 {
  font-size: var(--size-h2);
  line-height: var(--lh-h2);
  letter-spacing: var(--ls-h2);
  color: var(--ink);
  margin-top: 3rem;
  margin-bottom: 1.2rem;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ink);
}

.article-body h3 {
  font-size: var(--size-h3);
  line-height: var(--lh-h3);
  letter-spacing: var(--ls-h3);
  color: var(--ink);
  margin-top: 2.2rem;
  margin-bottom: 0.8rem;
}

.article-body ul, 
.article-body ol {
  margin: 0 0 1.8rem 1.4rem;
  padding: 0;
}

.article-body li {
  margin-bottom: 0.6rem;
  color: var(--text-body);
}

.article-body hr {
  border: 0;
  height: 2px;
  background: var(--border);
  margin: 3rem 0;
}

/* Obrázky v článku — pravidlo Signál: bez zaoblení, linka 2px */
.article-body img {
  width: 100%;
  height: auto;
  border: 2px solid var(--ink);
  margin: 2.5rem 0;
  display: block;
}

.article-img-caption {
  font-family: var(--font-mono);
  font-size: var(--size-mono);
  color: var(--text-muted);
  margin-top: -1.8rem;
  margin-bottom: 2.2rem;
  text-align: center;
}

/* Tabulky v článku — Signál v1.0 */
.article-table-wrapper {
  overflow-x: auto;
  margin: 2.5rem 0;
  border: 2px solid var(--ink);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background: var(--white);
  font-size: 0.95rem;
}

.article-table th {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 18px;
  border-bottom: 2px solid var(--ink);
}

.article-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-body);
  vertical-align: top;
}

.article-table tr:last-child td {
  border-bottom: none;
}

.article-table tr:nth-child(even) td {
  background: var(--paper);
}

.article-table .badge-signal {
  color: var(--signal);
  font-weight: 700;
  font-family: var(--font-mono);
}

.article-table .badge-ok {
  color: #15803d;
  font-weight: 700;
}

/* Kód / Diagram — dark container */
.article-code-block {
  background: var(--ink);
  color: var(--paper);
  padding: 24px;
  border: 2px solid var(--ink);
  margin: 2.2rem 0;
  overflow-x: auto;
}

.article-code-block pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--signal);
}

/* Ukazatel čtení (Progress Bar) */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 100;
}

.reading-progress__bar {
  height: 100%;
  background: var(--signal);
  width: 0%;
  transition: width 100ms ease-out;
}

/* --- Případové studie & Metriky ----------------------------------------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 2.2rem 0;
}

.stat-box {
  border: 1px solid var(--border);
  background: var(--white);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-left: 3px solid var(--signal);
}

.stat-box__val {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: -0.03em;
}

.stat-box__val .accent {
  color: var(--signal);
}

.stat-box__label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.stat-box__desc {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.45;
}

/* --- Pipeline & Kroky procesu ------------------------------------------- */
.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 2.5rem 0;
}

.pipeline-step {
  border: 1px solid var(--border);
  background: var(--white);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 160ms ease;
}

.pipeline-step:hover {
  border-color: var(--signal);
}

.pipeline-step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--signal);
  letter-spacing: 0.14em;
}

.pipeline-step__title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}

.pipeline-step__desc {
  font-size: 0.925rem;
  line-height: 1.55;
  color: var(--text-soft);
  margin: 0;
}

/* --- CTA Box na konci případovky ---------------------------------------- */
.cta-box {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(32px, 5vw, 48px);
  margin: 3.5rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
  border-left: 4px solid var(--signal);
}

.cta-box h3 {
  color: var(--paper);
  font-size: clamp(1.4rem, 2.5vw, 1.875rem);
  margin: 0;
}

.cta-box p {
  color: var(--on-ink-muted);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 620px;
  margin: 0;
}