/* =========================================================
   Shared components — sections, cards, buttons, badges
   Used on home/products pages
   ========================================================= */

.xc-section {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.xc-section > h2 {
  color: var(--xc-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--xc-border);
  padding-bottom: 0.5rem;
}

.xc-section-center { text-align: center; padding: 2rem 1.5rem; }
.xc-section-tight  { margin-top: 0.5rem; }

/* ─── Cards ─── */

.xc-card {
  background: var(--xc-bg-card);
  border: 1px solid var(--xc-border);
  border-radius: 12px;
  padding: 1.8rem 2rem;
  margin-bottom: 1.2rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.xc-card:hover {
  border-color: rgba(0, 188, 212, 0.4);
  background: var(--xc-bg-card-hi);
}

.xc-card h3 {
  margin-top: 0;
  font-size: 1.2rem;
  color: var(--xc-text);
}

.xc-card p:first-of-type {
  font-size: 0.78rem;
  color: var(--xc-text-muted);
  letter-spacing: 0.03em;
}

/* ─── Buttons ─── */

.xc-btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none !important;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  margin: 0.3rem 0.4rem;
  cursor: pointer;
}

.xc-btn-primary {
  background: var(--xc-accent);
  color: #0a1a26 !important;
  border-color: var(--xc-accent);
}

.xc-btn-primary:hover {
  background: var(--xc-accent-hi);
  border-color: var(--xc-accent-hi);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 188, 212, 0.3);
}

.xc-btn-ghost {
  background: transparent;
  color: var(--xc-text) !important;
  border-color: var(--xc-border-hi);
}

.xc-btn-ghost:hover {
  background: var(--xc-bg-card-hi);
  border-color: var(--xc-text-soft);
}

.xc-link {
  color: var(--xc-accent);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}

.xc-link:hover { text-decoration: underline; }

/* =========================================================
   PRODUCT PAGE — Defense-tech full layout (extends base)
   Used by products/blue.md and similar product pages
   Works alongside Material's native left sidebar + right TOC
   ========================================================= */

/* Product hero: title + photo side by side */
.xc-prod-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  margin: 0 0 48px;
  padding: 32px 0 40px;
  border-bottom: 1px solid var(--xc-border);
  position: relative;
}

.xc-prod-hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 60px; height: 1px;
  background: var(--xc-accent);
}

.xc-prod-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--xc-accent);
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--xc-border-hi);
  border-radius: 3px;
  margin-bottom: 18px;
}

.xc-prod-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--xc-text);
  margin: 0 0 10px;
}

.xc-prod-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--xc-accent);
  text-transform: uppercase;
  margin: 0 0 24px;
}

.xc-prod-desc {
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--xc-text-soft);
  margin: 0 0 24px;
}

/* Feature pills (small attribute callouts) */
.xc-prod-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.xc-prod-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(74, 158, 255, 0.05);
  border: 1px solid var(--xc-border);
  border-radius: 3px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--xc-text);
}

.xc-prod-pill svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--xc-accent);
  stroke-width: 1.6;
  flex-shrink: 0;
}

.xc-prod-cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.xc-prod-cta {
  display: inline-flex;
  align-items: center;
  padding: 12px 22px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none !important;
  border-radius: 3px;
  border: 1.5px solid transparent;
  transition: all 0.2s ease;
}

.xc-prod-cta-primary {
  background: var(--xc-accent);
  color: #050b14 !important;
  border-color: var(--xc-accent);
}

.xc-prod-cta-primary:hover {
  background: var(--xc-accent-hi);
  box-shadow: 0 0 18px rgba(74, 158, 255, 0.35);
}

.xc-prod-cta-ghost {
  background: transparent;
  color: var(--xc-text) !important;
  border-color: rgba(74, 158, 255, 0.45);
}

.xc-prod-cta-ghost:hover {
  background: rgba(74, 158, 255, 0.08);
  border-color: var(--xc-accent);
}

/* Product photo with same soft-edge treatment as hero */
.xc-prod-photo {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.xc-prod-photo img {
  max-width: 100%;
  width: auto;
  height: auto;
  mask-image: radial-gradient(ellipse 65% 70% at center,
    #000 40%,
    rgba(0, 0, 0, 0.85) 60%,
    rgba(0, 0, 0, 0.4) 80%,
    transparent 95%);
  -webkit-mask-image: radial-gradient(ellipse 65% 70% at center,
    #000 40%,
    rgba(0, 0, 0, 0.85) 60%,
    rgba(0, 0, 0, 0.4) 80%,
    transparent 95%);
  mix-blend-mode: screen;
  filter:
    drop-shadow(0 24px 48px rgba(0, 0, 0, 0.75))
    drop-shadow(0 0 30px rgba(74, 158, 255, 0.12))
    brightness(0.94)
    contrast(1.06);
}

/* Section pattern shared across product page */
.xc-prod-section {
  margin: 56px 0;
}

.xc-prod-section-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--xc-accent);
  text-transform: uppercase;
  margin: 0 0 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--xc-border);
  position: relative;
}

.xc-prod-section-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 60px; height: 1px;
  background: var(--xc-accent);
}

/* Key features 2x2 grid */
.xc-key-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.xc-key-feature {
  background: linear-gradient(180deg,
    rgba(74, 158, 255, 0.04) 0%,
    rgba(10, 22, 34, 0.4) 100%);
  border: 1px solid var(--xc-border);
  border-radius: 4px;
  padding: 22px 22px 24px;
  position: relative;
}

.xc-key-feature::before,
.xc-key-feature::after {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border: 1px solid var(--xc-accent);
}

.xc-key-feature::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.xc-key-feature::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.xc-key-feature-icon {
  width: 36px; height: 36px;
  border: 1px solid var(--xc-border);
  border-radius: 4px;
  background: rgba(74, 158, 255, 0.06);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}

.xc-key-feature-icon svg {
  width: 22px; height: 22px;
  fill: none;
  stroke: var(--xc-accent);
  stroke-width: 1.6;
}

.xc-key-feature h4 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--xc-text);
  text-transform: uppercase;
  margin: 0 0 6px;
}

.xc-key-feature p {
  font-size: 0.85rem;
  color: var(--xc-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Specifications two-column key/value table */
.xc-spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--xc-border);
  border-radius: 4px;
  overflow: hidden;
}

.xc-spec-row {
  display: grid;
  grid-template-columns: minmax(140px, 0.6fr) 1fr;
  border-bottom: 1px solid var(--xc-border);
}

.xc-spec-row:nth-last-child(-n+2) { border-bottom: none; }

.xc-spec-key {
  padding: 12px 16px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--xc-text-muted);
  text-transform: uppercase;
  background: rgba(74, 158, 255, 0.03);
  border-right: 1px solid var(--xc-border);
}

.xc-spec-val {
  padding: 12px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--xc-text);
}

.xc-spec-val code {
  background: rgba(74, 158, 255, 0.1);
  color: var(--xc-accent-hi);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.85em;
}

/* Documents list */
.xc-docs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.xc-doc-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(74, 158, 255, 0.03);
  border: 1px solid var(--xc-border);
  border-radius: 4px;
  text-decoration: none !important;
  color: inherit !important;
  transition: all 0.2s ease;
}

.xc-doc-item:hover {
  border-color: var(--xc-border-hi);
  background: rgba(74, 158, 255, 0.07);
}

.xc-doc-icon {
  width: 32px; height: 32px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.xc-doc-icon svg {
  width: 26px; height: 26px;
  fill: none;
  stroke: var(--xc-accent);
  stroke-width: 1.5;
}

.xc-doc-info { display: flex; flex-direction: column; flex: 1; min-width: 0; }

.xc-doc-name {
  font-size: 0.56rem;
  font-weight: 600;
  color: var(--xc-text);
  line-height: 1.3;
}

.xc-doc-meta {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--xc-text-muted);
  text-transform: uppercase;
  margin-top: 3px;
}

/* Mobile */
@media (max-width: 900px) {
  .xc-prod-hero { grid-template-columns: 1fr; }
  .xc-prod-title { font-size: 2.2rem; }
  .xc-key-features { grid-template-columns: 1fr; }
  .xc-docs-list { grid-template-columns: 1fr; }
  .xc-spec-row { grid-template-columns: 1fr; }
  .xc-spec-key { border-right: none; border-bottom: 1px solid var(--xc-border); }
  .xc-spec-grid { grid-template-columns: 1fr; }
}



/* ===== SparkNavi Blue product page cinematic background ===== */

.xc-prod-hero,
.xc-product-hero,
.md-content:has(.xc-prod-hero) .xc-prod-hero,
.md-content:has(.xc-product-hero) .xc-product-hero {
  position: relative !important;
  background:
    linear-gradient(90deg,
      rgba(2,8,18,.96) 0%,
      rgba(2,8,18,.82) 38%,
      rgba(2,8,18,.40) 68%,
      rgba(2,8,18,.88) 100%),
    linear-gradient(180deg,
      rgba(2,8,18,.20) 0%,
      rgba(2,8,18,.50) 55%,
      rgba(2,8,18,.96) 100%),
    url('../assets/product-blue-uav-mountain-bg.png') center center / cover no-repeat !important;
  overflow: hidden !important;
}

.xc-prod-hero::before,
.xc-product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 68% 38%, rgba(70,140,255,.15), transparent 32%),
    linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.35));
  pointer-events: none;
  z-index: 0;
}

.xc-prod-hero::after,
.xc-product-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(80,150,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80,150,255,.06) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: .28;
  pointer-events: none;
  z-index: 1;
}

.xc-prod-hero > *,
.xc-product-hero > * {
  position: relative;
  z-index: 2;
}