/* ============================================================
   IT SSL \u2014 wygl\u0105d pojedynczego case study (artyku\u0142u)
   ============================================================ */

/* ============ HERO artyku\u0142u ============ */
.art-hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}
.art-hero .back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 32px;
  transition: color .2s ease;
}
.art-hero .back:hover { color: var(--accent); }

.art-tag {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 6px;
  margin-bottom: 20px;
}
.art-tag.cyan  { color: var(--accent-2); background: var(--accent-2-soft); }
.art-tag.dark  { color: #fff; background: var(--ink); }

.art-client {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .04em;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.art-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 24px;
  max-width: 900px;
}
.art-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-3);
  max-width: 720px;
  margin: 0 0 40px;
}

.art-meta {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.art-meta .item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.art-meta .label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.art-meta .value {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

/* ============ Metryka bohater ============ */
.art-metric {
  margin: 60px auto;
  max-width: 900px;
  padding: 40px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  text-align: center;
}
.art-metric .big {
  font-size: clamp(64px, 10vw, 120px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, #a978ff 0%, #3aa5d8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
}
.art-metric .lbl {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255,255,255,.7);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ============ Sekcje tre\u015bci ============ */
.art-body {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 32px;
}
.art-body section {
  margin-bottom: 60px;
}
.art-body .eyebrow-num {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.art-body .eyebrow-num .num {
  color: var(--accent);
  font-weight: 700;
}
.art-body h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0 0 24px;
}
.art-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
}
.art-body p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0 0 16px;
}
.art-body ul {
  padding-left: 0;
  list-style: none;
  margin: 20px 0;
}
.art-body ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
}
.art-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 2px;
  background: var(--accent);
}
.art-body strong { color: var(--ink); font-weight: 700; }
.art-body blockquote {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  font-style: italic;
}

/* ============ Diagram SVG w tre\u015bci ============ */
.art-diagram {
  margin: 40px 0;
  padding: 32px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.art-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}
.art-diagram .caption {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-top: 20px;
  text-align: center;
}

/* ============ Rezultaty (statystyki) ============ */
.art-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 32px 0;
}
.art-result {
  padding: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.art-result .val {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.art-result .val.cyan { color: var(--accent-2); }
.art-result .val.pos  { color: var(--success); }
.art-result .lbl {
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.4;
}

/* ============ Tech stack ============ */
.art-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 8px;
}
.art-stack span {
  padding: 6px 12px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  color: var(--ink-2);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}

/* ============ CTA na ko\u0144cu artyku\u0142u ============ */
.art-cta {
  max-width: 1280px;
  margin: 80px auto 40px;
  padding: 56px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  text-align: center;
}
.art-cta h3 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
}
.art-cta p {
  color: rgba(255,255,255,.7);
  font-size: 16px;
  margin: 0 auto 32px;
  max-width: 500px;
  line-height: 1.6;
}
.art-cta .btn-primary {
  background: #fff;
  color: var(--ink);
  padding: 16px 28px;
  font-size: 15px;
}
.art-cta .btn-primary:hover { background: var(--accent); color: #fff; }
.art-cta .btn-ghost {
  border-color: rgba(255,255,255,.25);
  color: #fff;
  margin-left: 8px;
}
.art-cta .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.05); }

@media (max-width: 720px) {
  .art-hero { padding: 60px 0 40px; }
  .art-body { padding: 32px 24px; }
  .art-metric { padding: 32px 20px; }
  .art-cta { padding: 40px 24px; }
}