/* ==========================================================================
   Ener New Energy — additive components
   (spec tables, CTA strip, market cards, product detail layout)
   ========================================================================== */

/* ---------- Market cards ---------- */

.market-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
}

.market-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
}

.market-head {
  padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--border);
}

.market-flag {
  display: inline-block;
  padding: 5px 10px;
  margin-bottom: var(--s-3);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--navy-900);
  border-radius: 2px;
}

.market-head h3 {
  font-size: 18px;
  letter-spacing: -0.01em;
}

.market-intro {
  margin-top: var(--s-4);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-muted);
}

.market-specs {
  margin-top: var(--s-4);
  display: grid;
  gap: var(--s-2);
  font-size: 13.5px;
}

.market-specs li {
  display: flex;
  justify-content: space-between;
  gap: var(--s-4);
  padding-bottom: var(--s-2);
  border-bottom: 1px dashed var(--border);
  color: var(--text-muted);
}

.market-specs li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.market-specs b {
  color: var(--text);
  font-weight: 600;
  text-align: right;
}

.market-note {
  margin-top: var(--s-4);
  padding: var(--s-3) var(--s-4);
  background: var(--orange-100);
  border-left: 2px solid var(--accent);
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel-600);
}

/* ---------- Spec table ---------- */

.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  -webkit-overflow-scrolling: touch;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 720px;
}

.spec-table thead th {
  background: var(--navy-900);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
  padding: 14px 16px;
  white-space: nowrap;
}

.spec-table tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--steel-600);
  background: var(--steel-100);
  padding: 12px 16px;
  white-space: nowrap;
  border-right: 1px solid var(--border);
}

.spec-table tbody td {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  color: var(--text);
}

.spec-table tbody tr:nth-child(even) td {
  background: #fafbfc;
}

.spec-table tbody td[colspan] {
  color: var(--text-muted);
}

/* ---------- CTA strip ---------- */

.cta-strip {
  margin-top: var(--s-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  flex-wrap: wrap;
  padding: var(--s-6) var(--s-7);
  background: var(--navy-900);
  border-radius: var(--radius);
  color: var(--white);
}

.cta-strip h3 {
  font-size: 20px;
  letter-spacing: -0.01em;
}

.cta-strip p {
  margin-top: 6px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.66);
  max-width: 52ch;
}

/* ---------- Dark form card variant (contact on detail pages) ---------- */

.form-card--dark {
  background: var(--navy-800);
  color: var(--white);
  box-shadow: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.form-card--dark h3 {
  color: var(--white);
}

.form-card--dark > p {
  color: rgba(255, 255, 255, 0.5);
}

.form-card--dark .field label {
  color: rgba(255, 255, 255, 0.7);
}

.form-card--dark .field input,
.form-card--dark .field select,
.form-card--dark .field textarea {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--white);
}

.form-card--dark .field input::placeholder,
.form-card--dark .field textarea::placeholder {
  color: rgba(255, 255, 255, 0.32);
}

.form-card--dark .field select option {
  background: var(--navy-800);
  color: var(--white);
}

.form-card--dark .field input:focus,
.form-card--dark .field select:focus,
.form-card--dark .field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 98, 44, 0.18);
}

.form-card--dark .form-note {
  color: rgba(255, 255, 255, 0.45);
}

.form-card--dark .form-note a {
  color: rgba(255, 255, 255, 0.8);
}

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--steel-500);
  padding-top: 96px;
  padding-bottom: var(--s-4);
}

.breadcrumb a {
  color: var(--steel-500);
  transition: color 0.2s var(--ease);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb span {
  color: var(--text);
  font-weight: 500;
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .market-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .cta-strip {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--s-5);
  }

  .cta-strip .btn {
    width: 100%;
  }

  .spec-table {
    font-size: 13px;
    min-width: 640px;
  }

  .spec-table thead th,
  .spec-table tbody th,
  .spec-table tbody td {
    padding: 10px 12px;
  }
}

/* ---------- Brand logo image ---------- */

.logo-img {
  display: block;
  height: 38px;
  width: auto;
}

.logo--chip {
  display: inline-flex;
  align-items: center;
  background: var(--white);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
}

.logo--chip .logo-img {
  height: 34px;
}

@media (max-width: 640px) {
  .logo-img {
    height: 32px;
  }

  .logo--chip {
    padding: 10px 14px;
  }

  .logo--chip .logo-img {
    height: 28px;
  }
}

/* ==========================================================================
   Solutions — reference configurations
   ========================================================================== */

.solution-list {
  display: grid;
}

.solution {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.solution + .solution {
  margin-top: clamp(56px, 7vw, 88px);
  padding-top: clamp(56px, 7vw, 88px);
  border-top: 1px solid var(--border);
}

.solution--reverse .solution-figure {
  order: -1;
}

.solution-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.solution-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  background: var(--navy-900);
  color: var(--white);
  font-size: 11px;
  letter-spacing: 0;
}

.solution-title {
  font-size: clamp(24px, 2.6vw, 33px);
  line-height: 1.22;
  margin-top: var(--s-4);
  max-width: 20ch;
}

.solution-lede {
  margin-top: var(--s-4);
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-muted);
}

.solution-points {
  margin-top: var(--s-5);
  display: grid;
  gap: var(--s-3);
}

.solution-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text);
}

.solution-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--accent);
}

.solution-points b {
  font-weight: 600;
}

.solution-specs {
  margin: var(--s-6) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--s-6);
  border-top: 1px solid var(--border);
}

.solution-specs > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-3);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.solution-specs > div.spec-wide {
  grid-column: 1 / -1;
}

.solution-specs dt {
  color: var(--text-muted);
  white-space: nowrap;
}

.solution-specs dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--navy-900);
  text-align: right;
}

.solution-foot {
  margin-top: var(--s-6);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-3) var(--s-5);
}

.solution-foot-note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

/* Diagram frame */

.solution-figure {
  margin: 0;
}

.solution-figure-frame {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(12px, 1.8vw, 22px);
  box-shadow: 0 1px 2px rgba(10, 22, 40, 0.04),
    0 18px 40px -28px rgba(10, 22, 40, 0.45);
}

.solution-figure img {
  display: block;
  width: 100%;
  height: auto;
  cursor: zoom-in;
}

.solution-figure figcaption {
  margin-top: var(--s-3);
  display: flex;
  justify-content: space-between;
  gap: var(--s-4);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.solution-zoom-hint {
  white-space: nowrap;
  color: var(--accent);
}

.solution-diagram-placeholder {
  display: grid;
  place-content: center;
  gap: 8px;
  aspect-ratio: 4 / 3;
  text-align: center;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: repeating-linear-gradient(
    45deg,
    #fbfcfd,
    #fbfcfd 10px,
    #f4f6f8 10px,
    #f4f6f8 20px
  );
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.solution-diagram-placeholder span {
  font-size: 10.5px;
  color: var(--steel-400);
}

/* Lightbox */

.zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 56px);
  background: rgba(6, 14, 26, 0.93);
  cursor: zoom-out;
}

.zoom-overlay.is-open {
  display: flex;
}

.zoom-overlay img {
  max-width: 100%;
  max-height: calc(100vh - 40px);
  padding: clamp(12px, 2vw, 28px);
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
}

.zoom-overlay .zoom-close {
  position: absolute;
  top: 18px;
  right: 20px;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-size: 20px;
  line-height: 1;
}

@media (max-width: 1024px) {
  .solution {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-6);
  }

  .solution-figure {
    order: -1;
  }

  .solution-title,
  .solution-lede {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .solution-specs {
    grid-template-columns: minmax(0, 1fr);
  }

  .solution-specs > div:last-child {
    border-bottom: 1px solid var(--border);
  }

  .solution-figure figcaption {
    flex-direction: column;
    gap: 6px;
  }
}