/* ============================================
   세한메카트로닉스 — 제품 쇼케이스 페이지
   Industrial catalog · Image-first · Deep navy
   ============================================ */

.sehan-products-page {
  --sehan-white: #FFFFFF;
  --sehan-navy: #071A2F;
  --sehan-navy-mid: #0B1F36;
  --sehan-accent: #1F6FEB;
  --sehan-text: #0B1F36;
  --sehan-text-muted: #5B677A;
  --sehan-bg-gray: #F0F3F7;
  --sehan-line: #E1E7EF;
  background: var(--sehan-white);
  color: var(--sehan-text);
  word-break: keep-all;
  overflow-wrap: break-word;
  line-break: strict;
}

/* 한글 단어 중간 줄바꿈 방지 */
.sehan-keep {
  white-space: nowrap;
}

/* 모바일에서만 의도적 줄바꿈 */
.sehan-br-sm {
  display: none;
}

/* ---------- Shared ---------- */
.sehan-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.sehan-section {
  padding: 72px 0;
}

.sehan-section-head {
  margin-bottom: 40px;
}

.sehan-section-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sehan-accent);
  margin-bottom: 14px;
}

.sehan-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.625rem);
  font-weight: 700;
  color: var(--sehan-text);
  margin: 0 0 14px;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.sehan-section-desc {
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.6;
  color: var(--sehan-text-muted);
  max-width: 640px;
}

.sehan-tag {
  display: inline-block;
  padding: 5px 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--sehan-navy-mid);
  border: 1px solid var(--sehan-line);
  border-radius: 3px;
  white-space: nowrap;
}

.sehan-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sehan-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 28px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  border: 2px solid transparent;
}

.sehan-image-wrap {
  overflow: hidden;
}

.sehan-image-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 1. Dark Hero ---------- */
.sehan-hero {
  background: var(--sehan-navy);
  color: #fff;
  padding: 64px 0 0;
  overflow: hidden;
}

.sehan-hero-inner {
  display: grid;
  grid-template-columns: 45% 55%;
  gap: 0;
  align-items: stretch;
  min-height: 520px;
}

.sehan-hero-copy {
  padding: 48px 48px 56px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sehan-hero .sehan-section-label {
  color: rgba(31, 111, 235, 0.95);
  font-size: 0.75rem;
  margin-bottom: 20px;
}

.sehan-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  color: #fff;
}

.sehan-hero-title-line {
  display: block;
}

.sehan-hero-sub {
  margin: 0 0 12px;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.92);
}

.sehan-hero-note {
  margin: 0 0 36px;
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.65);
}

.sehan-hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.sehan-btn-primary {
  background: var(--sehan-accent);
  color: #fff;
  border-color: var(--sehan-accent);
}

.sehan-btn-primary:hover {
  background: #1858c4;
  border-color: #1858c4;
}

.sehan-btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.sehan-btn-outline:hover {
  border-color: #fff;
}

.sehan-hero-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 28px;
}

.sehan-hero-spec {
  padding-right: 20px;
}

.sehan-hero-spec-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--sehan-accent);
  margin-bottom: 6px;
}

.sehan-hero-spec-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sehan-hero-spec-value {
  display: block;
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
}

.sehan-hero-visual {
  position: relative;
  min-height: 400px;
}

.sehan-hero-visual .sehan-image-wrap {
  height: 100%;
  min-height: 400px;
}

.sehan-hero-visual .sehan-image-wrap img {
  min-height: 400px;
  object-fit: cover;
  object-position: center;
}

.sehan-hero-visual:not(:has(.sehan-image-wrap)) {
  display: none;
}

.sehan-hero-inner:has(.sehan-hero-visual:not(:has(.sehan-image-wrap))) {
  grid-template-columns: 1fr;
}

.sehan-hero-inner:has(.sehan-hero-visual:not(:has(.sehan-image-wrap))) .sehan-hero-copy {
  padding-right: 0;
}

/* ---------- 2. Process panels ---------- */
.sehan-process {
  background: var(--sehan-white);
}

.sehan-process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--sehan-line);
}

.sehan-process-panel {
  padding: 32px 28px 36px;
  border-right: 1px solid var(--sehan-line);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.sehan-process-panel:last-child {
  border-right: none;
}

.sehan-process-panel:hover {
  background: #FAFBFD;
  box-shadow: inset 0 0 0 2px var(--sehan-navy-mid);
}

.sehan-process-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 700;
  color: var(--sehan-text);
  line-height: 1.25;
}

.sehan-process-panel p {
  margin: 0 0 20px;
  font-size: clamp(0.9375rem, 1.1vw, 1.0625rem);
  line-height: 1.55;
  color: var(--sehan-text-muted);
}

.sehan-process-panel .sehan-tag {
  font-size: 0.8125rem;
}

/* ---------- 3. Series lineup ---------- */
.sehan-series {
  background: var(--sehan-bg-gray);
}

.sehan-series-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: start;
}

.sehan-series-visual .sehan-image-wrap {
  border: 1px solid var(--sehan-line);
  background: var(--sehan-white);
}

.sehan-series-visual .sehan-image-wrap img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.sehan-series-visual:not(:has(.sehan-image-wrap)) {
  display: none;
}

.sehan-series-layout:not(:has(.sehan-series-visual .sehan-image-wrap)) {
  grid-template-columns: 1fr;
}

.sehan-series-content .sehan-section-desc {
  margin-bottom: 24px;
}

.sehan-series-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--sehan-line);
  background: var(--sehan-white);
}

.sehan-series-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.sehan-series-table thead {
  background: var(--sehan-navy-mid);
  color: #fff;
}

.sehan-series-table th,
.sehan-series-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--sehan-line);
}

.sehan-series-table th {
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
}

.sehan-series-table tbody tr:last-child td {
  border-bottom: none;
}

.sehan-series-table td:first-child {
  font-weight: 700;
  color: var(--sehan-navy-mid);
}

/* ---------- 4. Showcase ---------- */
.sehan-showcase {
  background: var(--sehan-white);
}

.sehan-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sehan-photo-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--sehan-line);
  background: var(--sehan-white);
  overflow: hidden;
}

.sehan-photo-card-visual {
  flex: 0 0 68%;
  min-height: 220px;
}

.sehan-photo-card-visual .sehan-image-wrap {
  height: 100%;
  min-height: 220px;
}

.sehan-photo-card-visual .sehan-image-wrap img {
  min-height: 220px;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.sehan-photo-card:not(:has(.sehan-image-wrap)) .sehan-photo-card-visual {
  display: none;
}

.sehan-photo-card-body {
  padding: 22px 22px 26px;
  flex: 1;
}

.sehan-photo-card-body h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.6vw, 1.5rem);
  font-weight: 700;
  color: var(--sehan-text);
  line-height: 1.3;
}

.sehan-photo-card-body p {
  margin: 0 0 16px;
  font-size: clamp(0.9375rem, 1.1vw, 1.0625rem);
  line-height: 1.55;
  color: var(--sehan-text-muted);
}

/* ---------- 5. Finale (config + gallery + CTA) ---------- */
.sehan-finale {
  background: var(--sehan-bg-gray);
  padding-bottom: 80px;
}

.sehan-finale-config {
  margin-bottom: 56px;
}

.sehan-finale-config .sehan-image-wrap {
  border: 1px solid var(--sehan-line);
  background: var(--sehan-white);
  margin-bottom: 24px;
}

.sehan-finale-config .sehan-image-wrap img {
  aspect-ratio: 21 / 9;
  object-fit: contain;
  background: var(--sehan-white);
}

.sehan-finale-config:not(:has(.sehan-image-wrap)) {
  margin-bottom: 40px;
}

.sehan-finale-gallery-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--sehan-text);
  margin: 0 0 28px;
  letter-spacing: -0.02em;
}

.sehan-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

.sehan-gallery-item {
  overflow: hidden;
  border: 1px solid var(--sehan-line);
  background: var(--sehan-white);
}

.sehan-gallery-item img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.sehan-cta {
  background: var(--sehan-navy);
  padding: 52px 48px;
  text-align: center;
}

.sehan-cta h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.125rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  letter-spacing: -0.02em;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.sehan-cta p {
  margin: 0 auto 28px;
  max-width: 580px;
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}

.sehan-cta .sehan-btn-primary {
  background: var(--sehan-accent);
  border-color: var(--sehan-accent);
  font-size: 1.0625rem;
  padding: 18px 36px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .sehan-hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .sehan-hero-copy {
    padding: 40px 0 32px;
  }

  .sehan-hero-visual {
    margin: 0 -32px;
    min-height: 320px;
  }

  .sehan-hero-visual .sehan-image-wrap,
  .sehan-hero-visual .sehan-image-wrap img {
    min-height: 320px;
  }

  .sehan-process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sehan-process-panel:nth-child(2) {
    border-right: none;
  }

  .sehan-process-panel:nth-child(1),
  .sehan-process-panel:nth-child(2) {
    border-bottom: 1px solid var(--sehan-line);
  }

  .sehan-series-layout {
    grid-template-columns: 1fr;
  }

  .sehan-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sehan-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sehan-br-sm {
    display: block;
  }

  .sehan-container {
    padding: 0 20px;
  }

  .sehan-section {
    padding: 52px 0;
  }

  .sehan-hero {
    padding: 40px 0 0;
  }

  .sehan-hero-specs {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .sehan-hero-spec {
    padding-right: 0;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .sehan-hero-spec:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .sehan-hero-btns {
    flex-direction: column;
  }

  .sehan-hero-btns .sehan-btn {
    width: 100%;
  }

  .sehan-process-grid {
    grid-template-columns: 1fr;
  }

  .sehan-process-panel {
    border-right: none;
    border-bottom: 1px solid var(--sehan-line);
  }

  .sehan-process-panel:last-child {
    border-bottom: none;
  }

  .sehan-showcase-grid,
  .sehan-gallery {
    grid-template-columns: 1fr;
  }

  .sehan-cta {
    padding: 40px 24px;
  }

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

  .sehan-finale-config .sehan-image-wrap img {
    aspect-ratio: 16 / 10;
  }
}