:root {
  color-scheme: light;
  --ink: #18342b;
  --green: #17543e;
  --green-dark: #103c2c;
  --cream: #f7f7f2;
  --mist: #edf2eb;
  --line: #d9e2d9;
  --muted: #53635a;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", Arial, sans-serif; line-height: 1.65; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }
figure, p, h1, h2, h3 { margin: 0; }
section[id], div[id] { scroll-margin-top: 100px; }
.container { width: min(100% - 48px, 1180px); margin-inline: auto; }
.skip-link { position: absolute; top: -60px; left: 16px; z-index: 100; padding: 10px 14px; color: #fff; background: var(--green-dark); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.header-inner { display: flex; min-height: 82px; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; color: var(--green-dark); text-decoration: none; font-size: 21px; font-weight: 800; letter-spacing: -.045em; }
.brand img { width: 38px; height: 41px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 32px; margin-left: auto; }
.main-nav a { padding: 10px 0; color: var(--muted); font-size: 15px; font-weight: 700; text-decoration: none; }
.main-nav a:hover, .main-nav a[aria-current], .main-nav a.is-active { color: var(--green); }
.header-contact, .button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 11px 19px; border: 1px solid var(--green); background: var(--green); color: #fff; font-size: 14px; font-weight: 700; text-align: center; text-decoration: none; transition: background .2s ease, transform .2s ease; }
.header-contact:hover, .button:hover { background: var(--green-dark); transform: translateY(-1px); }
.button-outline { color: var(--green); background: transparent; }
.button-outline:hover { color: #fff; }
.eyebrow { display: inline-block; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.section-heading { max-width: 750px; margin-bottom: 34px; }
.section-heading h2 { margin-top: 10px; font-size: clamp(28px,3.5vw,43px); line-height: 1.2; letter-spacing: -.055em; }
.section-heading p { margin-top: 14px; color: var(--muted); font-size: 16px; }
.home-hero { padding: 72px 0 76px; background: linear-gradient(135deg,#edf3ec 0%,#f7f7f2 75%); }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.07fr) minmax(0,.93fr); align-items: center; gap: clamp(36px,6vw,88px); }
.hero-copy h1 { max-width: 650px; margin: 17px 0 20px; font-size: clamp(40px,5.8vw,71px); line-height: 1.13; letter-spacing: -.07em; }
.hero-copy > p { max-width: 565px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 30px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 22px 32px; margin-top: 43px; padding-top: 21px; border-top: 1px solid #cdd9cb; }
.hero-facts strong { display: block; color: var(--green-dark); font-size: 18px; }
.hero-facts span { display: block; color: var(--muted); font-size: 12px; }
.hero-visual { position: relative; min-height: 520px; overflow: hidden; background: #d4e0d5; }
.hero-visual img { width: 100%; height: 520px; object-fit: cover; object-position: center 56%; }
.hero-visual figcaption { position: absolute; right: 0; bottom: 0; left: 0; padding: 20px 23px; color: #fff; background: linear-gradient(transparent,rgba(10,37,26,.78)); font-size: 13px; }
.content-section { padding: 92px 0; }
.content-section.alt { background: var(--mist); }
.story-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; }
.story-card { min-width: 0; background: #fff; border: 1px solid var(--line); }
.story-card img { width: 100%; height: 335px; object-fit: cover; }
.story-card:first-child img { object-position: center 62%; }
.story-card-copy { padding: 27px 30px 32px; }
.story-card h3 { margin: 7px 0 10px; font-size: 24px; letter-spacing: -.045em; }
.story-card p { color: var(--muted); font-size: 15px; }
.process-grid { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr); gap: clamp(30px,6vw,78px); align-items: center; }
.process-grid .section-heading { margin-bottom: 0; }
.process-copy > p { max-width: 590px; margin: 20px 0 24px; color: var(--muted); }
.process-list { display: grid; gap: 10px; margin: 0 0 28px; padding: 0; list-style: none; }
.process-list li { padding: 11px 0; border-bottom: 1px solid var(--line); }
.process-list b { margin-right: 14px; color: var(--green); font-size: 12px; }
.process-photo img { width: 100%; height: 505px; object-fit: cover; object-position: center 50%; }
.process-photo figcaption { padding-top: 9px; color: var(--muted); font-size: 13px; }
.preview-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; }
.preview-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); background: #fff; text-decoration: none; }
.preview-card:hover { border-color: var(--green); }
.preview-card img { width: 100%; height: 225px; object-fit: cover; }
.preview-copy { display: flex; flex: 1; flex-direction: column; padding: 20px; }
.preview-copy h3 { margin: 5px 0 8px; font-size: 21px; letter-spacing: -.045em; }
.preview-copy p { color: var(--muted); font-size: 14px; }
.preview-copy span:last-child { margin-top: auto; padding-top: 20px; color: var(--green); font-size: 13px; font-weight: 800; }
.brand-note { margin: 24px 0 0; color: var(--green); font-size: 14px; font-weight: 700; }
.contact-section { padding: 78px 0; color: #fff; background: var(--green-dark); }
.contact-grid { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr); gap: 40px; }
.contact-section .eyebrow { color: #b7d7b8; }
.contact-section h2 { margin: 10px 0 16px; font-size: clamp(28px,3.4vw,43px); line-height: 1.2; letter-spacing: -.055em; }
.contact-section p { max-width: 520px; color: #dbe7de; }
.contact-details { display: grid; gap: 11px; align-content: center; margin: 0; font-style: normal; }
.contact-details a { color: #fff; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.contact-details span { color: #dbe7de; }
.site-footer { padding: 29px 0; color: var(--muted); background: #fff; border-top: 1px solid var(--line); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; }
.footer-inner a { color: var(--green); }

.product-intro { padding: 58px 0 31px; background: var(--mist); }
.breadcrumb { margin-bottom: 12px; color: var(--muted); font-size: 13px; }
.breadcrumb a { color: var(--green); }
.product-intro h1 { margin: 11px 0 13px; font-size: clamp(36px,5vw,58px); line-height: 1.15; letter-spacing: -.065em; }
.product-intro p { max-width: 680px; color: var(--muted); font-size: 16px; }
.product-tabs-wrap { position: sticky; top: 82px; z-index: 20; border-bottom: 1px solid var(--line); background: #fff; }
.product-tabs { display: flex; overflow-x: auto; scrollbar-width: thin; }
.product-tabs a { flex: 0 0 auto; padding: 17px 24px; border-bottom: 3px solid transparent; color: var(--muted); font-size: 14px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.product-tabs a:first-child { padding-left: 0; }
.product-tabs a:hover, .product-tabs a[aria-current="page"] { border-bottom-color: var(--green); color: var(--green); }
.product-body { padding: 53px 0 88px; }
.product-feature { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(0,.92fr); gap: clamp(25px,4.8vw,62px); align-items: start; }
.photo-gallery { min-width: 0; }
.photo-gallery > img { width: 100%; height: 450px; object-fit: cover; background: #e8ece4; }
.photo-gallery .photo-strip { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin-top: 8px; }
.photo-strip img { width: 100%; height: 115px; object-fit: cover; }
.photo-gallery figcaption { margin-top: 9px; color: var(--muted); font-size: 12px; }
.photo-gallery.dual-photos { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.photo-gallery.dual-photos > img { width: 100%; height: 340px; object-fit: contain; background: #eeeee7; }
.photo-gallery.dual-photos figcaption { grid-column: 1 / -1; margin-top: 1px; }
.product-summary { padding: 21px 0; }
.product-summary h2 { margin: 8px 0 18px; font-size: clamp(26px,3vw,38px); line-height: 1.25; letter-spacing: -.05em; }
.product-summary > p { color: var(--muted); }
.summary-facts { display: grid; gap: 0; margin: 27px 0; border-top: 1px solid var(--line); }
.summary-facts div { padding: 13px 0; border-bottom: 1px solid var(--line); }
.summary-facts dt { color: var(--muted); font-size: 12px; }
.summary-facts dd { margin: 2px 0 0; font-size: 15px; font-weight: 700; }
.spec-section { margin-top: 64px; }
.spec-section h2, .measurement-section h2 { margin-bottom: 11px; font-size: clamp(26px,3vw,36px); letter-spacing: -.05em; }
.spec-section > p { margin-bottom: 25px; color: var(--muted); }
.table-scroll { width: 100%; overflow-x: auto; border: 1px solid var(--line); background: #fff; }
.spec-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 15px; }
.spec-table th { padding: 15px 19px; color: var(--green-dark); background: var(--mist); white-space: nowrap; }
.spec-table td { padding: 15px 19px; border-top: 1px solid var(--line); }
.spec-table tr:nth-child(even) td { background: #fbfcfa; }
.spec-table caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.product-subsection { margin-top: 72px; padding-top: 55px; border-top: 1px solid var(--line); }
.product-subsection .spec-section { margin-top: 35px; }
.measurement-section { display: grid; grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); gap: clamp(25px,5vw,68px); align-items: center; margin-top: 72px; padding: 40px; background: var(--mist); }
.measurement-section[id] { scroll-margin-top: 165px; }
.measurement-section img { width: 100%; height: auto; background: #fff; }
.measurement-section p { margin: 14px 0 22px; color: var(--muted); }
.measurement-section .eyebrow { margin-bottom: 9px; }
.product-inquiry { margin-top: 64px; padding: 31px 35px; display: flex; justify-content: space-between; align-items: center; gap: 20px; color: #fff; background: var(--green-dark); }
.product-inquiry h2 { font-size: 23px; }
.product-inquiry p { margin-top: 5px; color: #dbe7de; font-size: 14px; }
.product-inquiry .button { flex: 0 0 auto; border-color: #fff; background: #fff; color: var(--green-dark); }
.product-inquiry .button:hover { background: #eaf3e8; }

@media (max-width: 900px) {
  .hero-grid, .process-grid, .product-feature, .measurement-section { grid-template-columns: 1fr; }
  .hero-visual, .hero-visual img { height: 430px; min-height: 0; }
  .preview-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .process-photo img { height: 370px; }
  .product-summary { padding: 0; }
  .photo-gallery > img { height: 390px; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 34px,1180px); }
  .header-inner { min-height: 69px; gap: 12px; }
  .brand { font-size: 17px; }
  .brand img { width: 29px; height: 32px; }
  .main-nav { gap: 12px; }
  .main-nav a { font-size: 12px; white-space: nowrap; }
  .header-contact { display: none; }
  .home-hero { padding: 42px 0 48px; }
  .hero-copy h1 { font-size: clamp(39px,10vw,51px); }
  .hero-copy > p { font-size: 15px; }
  .hero-facts { gap: 12px 23px; margin-top: 29px; }
  .hero-visual, .hero-visual img { height: 340px; }
  .content-section { padding: 64px 0; }
  .story-grid, .contact-grid { grid-template-columns: 1fr; }
  .story-card img { height: 260px; }
  .story-card-copy { padding: 22px; }
  .process-photo img { height: 335px; }
  .preview-grid { gap: 12px; }
  .preview-card img { height: 150px; }
  .preview-copy { padding: 15px; }
  .preview-copy h3 { font-size: 18px; }
  .preview-copy p { font-size: 13px; }
  .product-intro { padding: 37px 0 25px; }
  .product-tabs-wrap { top: 69px; }
  .product-tabs { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); overflow: visible; }
  .product-tabs a, .product-tabs a:first-child { padding: 10px 4px; font-size: 13px; text-align: center; }
  .product-body { padding: 33px 0 64px; }
  .photo-gallery > img { height: 285px; }
  .photo-strip img { height: 75px; }
  .photo-gallery.dual-photos { grid-template-columns: 1fr; }
  .photo-gallery.dual-photos > img { height: 285px; }
  .spec-section, .product-subsection { margin-top: 52px; }
  .spec-table { font-size: 13px; }
  .spec-table th, .spec-table td { padding: 12px; }
  .measurement-section { margin-top: 52px; padding: 22px; }
  .measurement-section[id] { scroll-margin-top: 185px; }
  .product-inquiry { margin-top: 52px; padding: 24px; display: block; }
  .product-inquiry .button { margin-top: 19px; }
}