/* NXTN Product Detail */

.product-page {
  margin: 0;
  background: #f4f0e8;
  color: #171717;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
}

.product-page img {
  display: block;
  width: 100%;
}

.product-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 88px;
  padding: 20px 4vw;
  background: rgba(17,17,17,.18);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.15);
  box-sizing: border-box;
  transition: background .3s ease;
}


.product-brand img,
.footer-logo img {
  width: 132px;
  height: auto;
}

.product-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.product-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .14em;
}

.product-nav .lang-link {
  opacity: .72;
}

.product-menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  background: transparent;
}

.product-menu-button span {
  display: block;
  width: 24px;
  height: 1px;
  margin: 6px auto;
  background: #fff;
  transition: transform .3s ease;
}

.product-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: grid;
  place-items: center;
  visibility: hidden;
  opacity: 0;
  background: #F4F0E8;
  transition: opacity .3s ease, visibility .3s ease;
}

.product-mobile-menu.is-open {
  visibility: visible;
  opacity: 1;
}

.product-mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  text-align: center;
}

.product-mobile-menu a {
  color: #222;
  text-decoration: none;
  font-size: clamp(24px, 7vw, 42px);
  font-weight: 500;
}

.product-hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.product-hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.16), rgba(0,0,0,.68));
}

.product-hero-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  padding: 0 6vw 9vh;
  color: #fff;
}

.eyebrow,
.section-label {
  margin: 0 0 22px;
  font-size: 12px;
  letter-spacing: .24em;
  font-weight: 700;
}

.product-hero h1,
.product-section h2,
.product-cta h2 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: 1.04;
}

.product-hero h1 {
  max-width: 900px;
  font-size: clamp(48px, 8vw, 112px);
}

.hero-copy {
  max-width: 650px;
  margin: 28px 0 0;
  font-size: clamp(16px, 1.5vw, 22px);
  line-height: 1.65;
  color: rgba(255,255,255,.84);
}

.scroll-cue {
  position: absolute;
  right: 4vw;
  bottom: 40px;
  z-index: 2;
  color: #fff;
  text-decoration: none;
  font-size: 10px;
  letter-spacing: .2em;
  writing-mode: vertical-rl;
}

.product-section {
  padding: 140px 6vw;
}

.section-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 10vw;
  max-width: 1400px;
  margin: 0 auto;
}

.product-section h2,
.product-cta h2 {
  font-size: clamp(38px, 5vw, 76px);
}

.intro-copy {
  align-self: end;
  font-size: 18px;
  line-height: 1.9;
  color: #565656;
}

.intro-copy p {
  margin: 0 0 24px;
}

.feature-section {
  background: #171717;
  color: #fff;
}

.section-heading {
  max-width: 1400px;
  margin: 0 auto 72px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,.18);
}

.feature-card {
  min-height: 320px;
  padding: 34px 28px;
  border-right: 1px solid rgba(255,255,255,.18);
}

.feature-card:last-child {
  border-right: 0;
}

.feature-card span {
  font-size: 12px;
  color: rgba(255,255,255,.45);
}

.feature-card h3 {
  margin: 76px 0 18px;
  font-size: 25px;
  font-weight: 500;
}

.feature-card p {
  margin: 0;
  color: rgba(255,255,255,.65);
  line-height: 1.8;
}

.wide-image-section img {
  height: min(78vw, 900px);
  object-fit: cover;
}
.product-header.is-scrolled {
  background: rgba(244,240,232,.95);
  border-bottom: 1px solid #DDD5C8;
}

.product-header.is-scrolled .product-nav a {
  color: #222;
}

.product-header.is-scrolled .product-menu-button span {
  background: #222;
}
.application-list {
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid #bbb4a7;
}

.application-list div {
  display: grid;
  grid-template-columns: .4fr 1fr;
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid #bbb4a7;
}

.application-list strong {
  font-size: 15px;
  letter-spacing: .08em;
}

.application-list span {
  color: #5a554d;
}

.product-gallery {
  display: grid;
  grid-template-columns: 1.4fr .6fr;
  gap: 14px;
  padding: 14px;
  background: #F4F0E8;
}

.product-gallery figure {
  margin: 0;
  overflow: hidden;
}

.product-gallery .gallery-large {
  grid-row: span 2;
}

.product-gallery img {
  height: 100%;
  min-height: 340px;
  object-fit: cover;
  transition: transform .7s ease;
}

.product-gallery figure:hover img {
  transform: scale(1.025);
}

.spec-section {
  background: #e9e3d9;
}

.spec-table {
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid #b5ad9f;
}

.spec-table div {
  display: grid;
  grid-template-columns: .45fr 1fr;
  gap: 40px;
  padding: 24px 0;
  border-bottom: 1px solid #b5ad9f;
}

.spec-table span {
  color: #70695f;
}

.spec-table strong {
  font-weight: 500;
}

.spec-note {
  max-width: 1400px;
  margin: 24px auto 0;
  color: #756e64;
  font-size: 13px;
}

.product-cta {
  padding: 150px 6vw;
  text-align: center;
  background: #26211d;
  color: #fff;
}

.product-cta p:not(.section-label) {
  max-width: 650px;
  margin: 28px auto 0;
  color: rgba(255,255,255,.66);
  line-height: 1.8;
}

.cta-button {
  display: inline-block;
  margin-top: 42px;
  padding: 17px 28px;
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.45);
  transition: background .3s ease, color .3s ease;
}

.cta-button:hover {
  background: #fff;
  color: #111;
}

.product-footer {
  padding: 64px 6vw;
  background: #F4F0E8;
  color: #666;
  border-top: 1px solid #DDD5C8;
  text-align: center;
  font-size: 12px;
}

.product-footer .footer-logo {
  display: inline-block;
  margin-bottom: 22px;
}

.product-footer p {
  margin: 8px 0;
}

@media (max-width: 900px) {
  .product-header {
    min-height: 72px;
    padding: max(16px, env(safe-area-inset-top)) 20px 16px;
  }

  .product-brand img {
    width: 112px;
  }

  .product-nav {
    display: none;
  }

  .product-menu-button {
    display: block;
  }

  .product-menu-button.is-open span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .product-menu-button.is-open span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .product-hero-content {
    padding: 0 24px 12vh;
  }

  .scroll-cue {
    display: none;
  }

  .product-section {
    padding: 92px 24px;
  }

  .section-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-card:nth-child(2) {
    border-right: 0;
  }

  .feature-card {
    min-height: 270px;
    border-bottom: 1px solid rgba(255,255,255,.18);
  }

  .product-gallery {
    grid-template-columns: 1fr;
  }

  .product-gallery .gallery-large {
    grid-row: auto;
  }

  .product-gallery img {
     height: auto;
  min-height: 0;
  object-fit: contain;
  }
}

@media (max-width: 560px) {
  .product-hero h1 {
    font-size: 48px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    border-right: 0;
  }

  .application-list div,
  .spec-table div {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}