/* 🔹 서브네브 */
.about-subnav-wrap {
  padding-bottom: 12px;
}



/* =========================
   CERT PAGE
========================= */

.cert-page section {
  padding: 80px 0;
}

/* 상단 */
.cert-hero {
  background: linear-gradient(135deg, #0b5cab, #1d70c9);
  color: white;
  padding: 100px 0;
}

.cert-hero h1 {
  font-size: 44px;
}


.cert-track {
  display: grid !important;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
  overflow: visible !important;
}

.cert-track img {
  width: 100%;         
  height: 240px;         
  object-fit: contain;   /* 글자 잘리면 안 되니까contain */
  border-radius: 16px;
  flex-shrink: 0;
  padding: 10px;
  border: 1px solid #dbe3ee;
  background: #fff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

/* 버튼 */
.slider-btn {
  display: none !important;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: rgba(11, 92, 171, 0.95);   /* 흰 사진 위에서도 보이게 파란색 */
  color: #fff;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
  cursor: pointer;
  z-index: 5;
  font-size: 18px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.prev {
  left: 0;
}

.next {
  right: 0;
}

.slider-btn:hover {
  background: #084887;
  transform: translateY(-50%) scale(1.06);
}

/* 스크롤바 숨김 */
.cert-track::-webkit-scrollbar {
  display: none;
}

/* =========================
   차량방호울타리만 2줄
========================= */

.cert-section--double .cert-track {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 20px;
  overflow-x: visible;   /* 2줄 배치는 가로 스크롤 안 쓰는 편이 자연스러움 */
}

.cert-section--double .cert-track img {
  width: 100%;
  height: 240px;
}

/* 차량방호울타리 2줄 배치에서는 버튼 숨김 */
.cert-section--double .slider-btn {
  display: none;
}

/* =========================
   반응형
========================= */

@media (max-width: 1280px) {
  .cert-section--double .cert-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .cert-track img {
    width: 240px;
    height: 340px;
  }

  .cert-section--double .cert-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cert-section--double .cert-track img {
    width: 100%;
    height: 360px;
  }
}

@media (max-width: 640px) {
  .cert-slider {
    padding: 0 40px;
  }

  .cert-track {
    gap: 14px;
  }

  .cert-track img {
    width: 200px;
    height: 290px;
  }

  .slider-btn {
    width: 40px;
    height: 40px;
  }

  .cert-section--double .cert-track {
    grid-template-columns: 1fr;
  }

  .cert-section--double .cert-track img {
    height: auto;
    max-height: 420px;
  }
}
.cert-card {
  flex: 0 0 280px;
}

.cert-card img {
  width: 100%;
  display: block;
  border-radius: 12px;
}

.cert-caption {
  margin: 10px 4px 0;
  font-size: 14px;
  font-weight: 600;
  color: #334155;
  line-height: 1.5;
  text-align: center;
}

@media (max-width: 1280px) {
  .cert-track {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 900px) {
  .cert-track {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .cert-track {
    grid-template-columns: repeat(2, 1fr);
  }
}
.cert-card {
  display: flex;
  flex-direction: column;
}

.cert-card .cert-caption {
  order: -1;
  margin: 0 4px 12px;
  min-height: 48px;   /* 2줄까지 버티게 고정 */
  display: flex;
  align-items: flex-end;   /* 글자를 아래쪽 기준으로 맞춤 */
  justify-content: center;
  text-align: center;
}

section {
  position: relative;
}

section::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;

  width: min(90%, 1100px);
  height: 1px;

  transform: translateX(-50%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(148, 163, 184, 0.4),
    transparent
  );
}

.cert-section .container {
  position: relative;
  padding-bottom: 100px; /* 여유 */
}

.cert-section .container::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;

  width: min(88%, 1100px);
  height: 1px;

  transform: translateX(-50%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(148, 163, 184, 0.4),
    transparent
  );
}
.cert-section:last-of-type {
  border-bottom: none;
}
.cert-section + .cert-section {
  margin-top: -50px;   /* 값으로 간격 조절 */
}