/* main.css - Main page (index.html) specific styles */

/* ========== Hero Slider ========== */
.main-hero {
  width: 100%;
  height: 100vh;
  min-height: 600px;
  position: relative;
  overflow: hidden;
}

.main-hero .swiper,
.main-hero .swiper-wrapper,
.main-hero .swiper-slide {
  width: 100%;
  height: 100%;
}

.main-hero .swiper-slide {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #1a1a2e;
}

.main-hero .swiper-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

.main-hero .slide-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 60px;
  color: var(--color-white);
}

.main-hero .slide-content .sub-tit {
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0.8;
  color: var(--color-accent);
}

.main-hero .slide-content h2 {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.main-hero .slide-content .p-box p {
  font-size: 17px;
  line-height: 1.8;
  opacity: 0.85;
  max-width: 550px;
}

.main-hero .slide-content .btn-wrap {
  margin-top: 36px;
}

.main-hero .slide-content .btn-wrap a {
  display: inline-block;
  padding: 15px 40px;
  border: 2px solid var(--color-white);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: var(--transition);
}

.main-hero .slide-content .btn-wrap a:hover {
  background: var(--color-white);
  color: var(--color-text-dark);
}

.main-hero .swiper-button-prev,
.main-hero .swiper-button-next {
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}

.main-hero .swiper-button-prev:hover,
.main-hero .swiper-button-next:hover {
  color: var(--color-white);
}

.main-hero .swiper-button-prev::after,
.main-hero .swiper-button-next::after {
  font-size: 28px;
}

/* ========== Section 1: Corporate Motto ========== */
.main-sec1 {
  padding: 100px 0;
}

.main-sec1 .sec1-top {
  text-align: center;
  margin-bottom: 50px;
}

.main-sec1 .sec1-top .tit-box h2 {
  font-size: 38px;
  font-weight: 700;
  margin-bottom: 12px;
}

.main-sec1 .b-txt h3 {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 3px;
}

.main-sec1 .inner > figure {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  max-height: 500px;
  background: #e8e8e8;
  min-height: 300px;
}

.main-sec1 .inner > figure .media-slot {
  width: 100%;
  height: 100%;
}

.main-sec1 .inner > figure .media-slot img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
}

.main-sec1 figure figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 50px 40px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: var(--color-white);
}

.main-sec1 figure figcaption .s-tit {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--color-accent);
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.main-sec1 figure figcaption .p-box p {
  font-size: 20px;
  line-height: 1.6;
  font-weight: 500;
}

/* ========== Section 2: Company Guide (Product Slider) ========== */
.main-sec2 {
  padding: 100px 0;
  background: var(--color-bg-light);
}

.main-sec2 .product-swiper {
  padding: 20px 0 50px;
  overflow: hidden;
}

.main-sec2 .swiper-slide {
  height: auto;
}

.main-sec2 .slide-content {
  background: var(--color-white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: var(--transition);
  height: 100%;
}

.main-sec2 .slide-content:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  transform: translateY(-6px);
}

.main-sec2 .slide-content figure {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f0f0f0;
}

.main-sec2 .slide-content figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.main-sec2 .slide-content:hover figure img {
  transform: scale(1.08);
}

.main-sec2 .sp-box {
  padding: 22px 20px;
}

.main-sec2 .sp-box h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-dark);
}

.main-sec2 .sp-box p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.main-sec2 .swiper-button-prev,
.main-sec2 .swiper-button-next {
  color: var(--color-text-dark);
  background: rgba(255,255,255,0.9);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.main-sec2 .swiper-button-prev::after,
.main-sec2 .swiper-button-next::after {
  font-size: 16px;
  font-weight: 700;
}

/* ========== Section 3: Product Gallery Grid ========== */
.main-sec3 {
  padding: 100px 0;
}

.main-sec3 ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.main-sec3 ul li {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  cursor: pointer;
  background: #e8e8e8;
}

.main-sec3 ul li figure,
.main-sec3 ul li .media-slot {
  aspect-ratio: 1;
  overflow: hidden;
  width: 100%;
}

.main-sec3 ul li figure img,
.main-sec3 ul li .media-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.main-sec3 ul li:hover figure img,
.main-sec3 ul li:hover .media-slot img {
  transform: scale(1.1);
}

.main-sec3 ul li .s-tit {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(0, 0, 0, 0.65);
  color: var(--color-white);
  padding: 4px 14px;
  font-size: 11px;
  font-family: var(--font-en);
  letter-spacing: 1.5px;
  border-radius: 3px;
  z-index: 3;
  text-transform: uppercase;
}

.main-sec3 ul li h2 {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 16px 16px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: var(--color-white);
  font-size: 15px;
  font-weight: 500;
  z-index: 3;
}

/* ========== Section 4: CTA ========== */
.main-sec4 {
  padding: 120px 0;
  background: #111;
  color: var(--color-white);
  text-align: center;
  position: relative;
}

.main-sec4 h2 {
  font-size: 40px;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.3;
}

.main-sec4 .p-box {
  margin-bottom: 40px;
}

.main-sec4 .p-box p {
  font-size: 17px;
  opacity: 0.7;
  line-height: 1.8;
}

.main-sec4 .a-box a {
  display: inline-block;
  padding: 16px 52px;
  border: 2px solid var(--color-white);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.main-sec4 .a-box a:hover {
  background: var(--color-white);
  color: #111;
}

/* ========== Section 5: Contact Info ========== */
.main-sec5 {
  padding: 70px 0;
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

.main-sec5 .call-wrap {
  display: flex;
  justify-content: center;
  gap: 80px;
  margin-bottom: 30px;
}

.main-sec5 .call-wrap ul {
  text-align: center;
}

.main-sec5 .call-wrap ul li:first-child {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.main-sec5 .call-wrap ul li:last-child {
  font-family: var(--font-en);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text-dark);
  letter-spacing: 2px;
}

.main-sec5 .deco-box {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.main-sec5 .deco-box h4 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text-dark);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .main-hero .slide-content h2 {
    font-size: 38px;
  }

  .main-sec3 ul {
    grid-template-columns: repeat(3, 1fr);
  }

  .main-sec4 h2 {
    font-size: 30px;
  }
}

@media (max-width: 780px) {
  .main-hero {
    min-height: 500px;
    height: 80vh;
  }

  .main-hero .slide-content {
    padding: 0 24px;
  }

  .main-hero .slide-content h2 {
    font-size: 30px;
  }

  .main-hero .slide-content .p-box p {
    font-size: 15px;
  }

  .main-sec1,
  .main-sec2,
  .main-sec3 {
    padding: 70px 0;
  }

  .main-sec1 .sec1-top .tit-box h2 {
    font-size: 28px;
  }

  .main-sec3 ul {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .main-sec4 {
    padding: 80px 0;
  }

  .main-sec4 h2 {
    font-size: 26px;
  }

  .main-sec5 .call-wrap {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .main-sec5 .call-wrap ul li:last-child {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .main-hero .slide-content h2 {
    font-size: 26px;
  }

  .main-hero .swiper-button-prev,
  .main-hero .swiper-button-next {
    display: none;
  }

  .main-sec3 ul li h2 {
    font-size: 13px;
    padding: 12px 10px 10px;
  }

  .main-sec3 ul li .s-tit {
    font-size: 9px;
    padding: 3px 8px;
    top: 8px;
    left: 8px;
  }
}