/* ═══════════════════════════════════════
   SERVICE SINGLE PAGE
═══════════════════════════════════════ */

/* ── Back link ── */
.svc-single__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-white-muted);
  margin-bottom: var(--space-8);
  transition: color var(--duration-normal) var(--ease-out);
}
.svc-single__back:hover { color: var(--color-green); }
.svc-single__back svg { transition: transform var(--duration-normal) var(--ease-out); }
.svc-single__back:hover svg { transform: translateX(-3px); }

/* ── Intro block ── */
.svc-single__intro {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-20);
  align-items: start;
  padding-block: var(--space-16);
}

.svc-single__intro-title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -.03em;
  line-height: 1.06;
  margin-bottom: var(--space-6);
}
.svc-single__intro-title em {
  font-style: normal;
  color: var(--color-green);
}
.svc-single__intro-desc {
  font-size: var(--text-base);
  color: var(--color-white-dim);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.svc-single__intro-stats {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}
.svc-single__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.svc-single__stat:last-child { border-bottom: none; }
.svc-single__stat-val {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -.04em;
  line-height: 1;
}
.svc-single__stat-label {
  font-size: var(--text-sm);
  color: var(--color-white-muted);
  line-height: 1.4;
}

/* ── Section title ── */
.svc-single__section-title {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -.025em;
  line-height: 1.1;
  margin-top: var(--space-4);
  margin-bottom: var(--space-12);
}

/* ── Features grid ── */
.svc-single__features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.svc-single__feature-card {
  background: var(--color-bg);
  padding: var(--space-8) var(--space-8) var(--space-10);
  transition: background var(--duration-normal);
}
.svc-single__feature-card:hover { background: var(--color-bg-secondary); }
.svc-single__feature-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-green);
  letter-spacing: .12em;
  margin-bottom: var(--space-5);
}
.svc-single__feature-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semi);
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: var(--space-3);
}
.svc-single__feature-desc {
  font-size: var(--text-sm);
  color: var(--color-white-muted);
  line-height: 1.7;
}

/* ── Method ── */
.svc-single__method {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--space-20);
  align-items: start;
  padding-block: var(--space-16);
}
.svc-single__method-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.svc-single__step {
  display: flex;
  gap: var(--space-6);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.svc-single__step:first-child { border-top: 1px solid var(--color-border); }
.svc-single__step-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-green);
  letter-spacing: .12em;
  min-width: 28px;
  padding-top: 3px;
}
.svc-single__step-title {
  font-size: var(--text-base);
  font-weight: var(--weight-semi);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}
.svc-single__step-desc {
  font-size: var(--text-sm);
  color: var(--color-white-muted);
  line-height: 1.7;
}

/* ── Related services ── */
.svc-single__related {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}
.svc-single__related-card {
  position: relative;
  background: var(--color-bg-secondary);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: background var(--duration-normal);
}
.svc-single__related-card:hover { background: var(--color-surface); }
.svc-single__related-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-green);
  letter-spacing: .12em;
}
.svc-single__related-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semi);
  color: var(--color-white);
  line-height: 1.2;
}
.svc-single__related-desc {
  font-size: var(--text-sm);
  color: var(--color-white-muted);
  line-height: 1.65;
  flex: 1;
}
.svc-single__related-arrow {
  font-size: var(--text-xl);
  color: var(--color-green);
  transition: transform var(--duration-normal) var(--ease-out);
}
.svc-single__related-card:hover .svc-single__related-arrow {
  transform: translateX(6px);
}

/* ── CTA ── */
.svc-single__cta {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  padding-block: var(--space-16);
}
.svc-single__cta-title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -.03em;
  line-height: 1.06;
  margin-block: var(--space-5);
}
.svc-single__cta-sub {
  font-size: var(--text-lg);
  color: var(--color-white-muted);
  line-height: 1.65;
  margin-bottom: var(--space-8);
}
.svc-single__cta-btns {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .svc-single__intro { grid-template-columns: 1fr; }
  .svc-single__intro-stats { flex-direction: row; }
  .svc-single__stat { flex: 1; border-bottom: none; border-right: 1px solid var(--color-border); }
  .svc-single__stat:last-child { border-right: none; }
  .svc-single__method { grid-template-columns: 1fr; }
  .svc-single__features-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-single__related { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .svc-single__intro { padding-block: var(--space-10); }
  .svc-single__intro-stats { flex-direction: column; }
  .svc-single__stat { border-right: none; border-bottom: 1px solid var(--color-border); }
  .svc-single__stat-val { font-size: clamp(var(--text-2xl), 8vw, var(--text-4xl)); }

  .svc-single__features-grid { grid-template-columns: 1fr; }
  .svc-single__feature-card { padding: var(--space-6) var(--space-6) var(--space-8); }

  .svc-single__method { padding-block: var(--space-10); }
  .svc-single__step { padding-block: var(--space-6); gap: var(--space-4); }

  .svc-single__related { grid-template-columns: 1fr; }
  .svc-single__related-card { padding: var(--space-6); }

  .svc-single__cta { padding-block: var(--space-10); }
  .svc-single__cta-btns { flex-direction: column; }
  .svc-single__cta-btns .btn { width: 100%; justify-content: center; }
}

/* ═══════════════════════════════════════
   ARTICLE / SINGLE-PAGE SHARED LAYOUT
   (blog show, service show, project show)
═══════════════════════════════════════ */

/* ── Hero ── */
.art-hero {
  position: relative;
  height: clamp(340px, 50vw, 580px);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.art-hero__img-wrap {
  position: absolute;
  inset: 0;
}
.art-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55) grayscale(15%);
  display: block;
}
.art-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-bg) 0%, rgba(8,8,8,0.3) 60%, transparent 100%);
}
.art-hero__content {
  position: relative;
  z-index: 1;
  padding-bottom: var(--space-12);
  width: 100%;
}
.art-hero__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-cyan);
  text-decoration: none;
  margin-bottom: var(--space-5);
  transition: opacity var(--duration-normal);
}
.art-hero__back:hover { opacity: 0.7; }
.art-hero__cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-cyan);
  border: 1px solid var(--color-border-green);
  padding: 3px var(--space-3);
  border-radius: 2px;
  background: rgba(0,180,219,0.05);
  margin-bottom: var(--space-4);
  display: block;
  width: fit-content;
}
.art-hero__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -.035em;
  line-height: 1.1;
  max-width: 820px;
  margin-bottom: var(--space-4);
}
.art-hero__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-white-muted);
  letter-spacing: .05em;
}
.art-hero__dot { color: var(--color-border); }

/* ── Article layout ── */
.art-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-16);
  align-items: start;
}

/* ── Article body (prose) ── */
.art-body {
  font-size: var(--text-base);
  color: var(--color-white-dim);
  line-height: 1.85;
}
.art-body h2 {
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -.025em;
  margin-top: var(--space-12);
  margin-bottom: var(--space-5);
}
.art-body h3 {
  font-size: clamp(var(--text-lg), 2vw, var(--text-2xl));
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -.02em;
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}
.art-body p { margin-bottom: var(--space-5); }
.art-body ul, .art-body ol {
  margin-left: var(--space-6);
  margin-bottom: var(--space-5);
}
.art-body li { margin-bottom: var(--space-2); }
.art-body blockquote {
  border-left: 3px solid var(--color-cyan);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
  font-style: italic;
  color: var(--color-white-muted);
}
.art-body img {
  width: 100%;
  height: auto;
  display: block;
  margin-block: var(--space-8);
  border: 1px solid var(--color-border);
}
.art-body a { color: var(--color-cyan); }
.art-body a:hover { text-decoration: underline; }
.art-body code {
  font-family: var(--font-mono);
  font-size: .875em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 2px 6px;
  border-radius: 3px;
}
.art-body pre {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
  overflow-x: auto;
  margin-block: var(--space-6);
  border-radius: var(--radius-sm);
}
.art-body pre code {
  background: none;
  border: none;
  padding: 0;
}

/* ── Sidebar ── */
.art-sidebar {
  position: sticky;
  top: calc(var(--navbar-h, 72px) + var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.art-sidebar__card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-6);
}
.art-sidebar__label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-white-muted);
  margin-bottom: var(--space-2);
}
.art-sidebar__val {
  font-size: var(--text-sm);
  color: var(--color-white-dim);
}
.art-sidebar__cta {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
}
.art-sidebar__cta-title {
  font-size: var(--text-base);
  font-weight: var(--weight-semi);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}
.art-sidebar__cta-sub {
  font-size: var(--text-sm);
  color: var(--color-white-muted);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .art-layout { grid-template-columns: 1fr; }
  .art-sidebar { position: static; }
}
@media (max-width: 768px) {
  .art-hero { height: clamp(280px, 60vw, 420px); }
  .art-hero__content { padding-bottom: var(--space-8); }
}