:root {
    --hd-green: #00b140;
    --hd-green-pressed: #9eef29;
    --hd-green-soft: rgba(0, 177, 64, .08);
    --hd-ink: #191919;
    --hd-muted: #757575;
    --hd-line: #e0e0e0;
    --hd-bg: #f8f8f8;
    --hd-white: #fff;
    --hd-radius: 28px;
    --hd-max: 1344px;
    --hd-tracking: -.5px;
}

html { scroll-behavior: smooth; }
body { background: var(--hd-white); color: var(--hd-ink); }
body:has(.site-header) { overflow-x: hidden; font-family: 'Noto Sans KR', sans-serif; font-size: 16px; line-height: 1.875; letter-spacing: var(--hd-tracking); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); border-bottom: 1px solid transparent; backdrop-filter: blur(16px); transition: border-color .2s, box-shadow .2s; }
.site-header.is-scrolled { border-color: var(--hd-line); box-shadow: 0 5px 18px rgba(32,33,36,.05); }
.site-header__inner { width: min(calc(100% - 64px), var(--hd-max)); height: 84px; margin: 0 auto; display: flex; align-items: center; gap: 54px; }
.site-logo img { width: 151px; height: auto; }
.site-nav { height: 100%; display: flex; align-items: center; gap: 34px; }
.site-nav__item { height: 100%; display: flex; align-items: center; }
.site-nav__link { display: inline-flex; align-items: center; gap: 6px; height: 100%; color: var(--hd-ink); font-size: 14px; font-weight: 700; letter-spacing: var(--hd-tracking); transition: color .2s; }
.site-nav__link:hover, .site-nav__item:hover > .site-nav__link { color: var(--hd-green); }
.site-header__actions { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.site-header__cta { padding: 13px 18px; border-radius: 999px; background: var(--hd-green); color: #fff; font-size: 13px; font-weight: 700; transition: background .2s, transform .2s; }
.site-header__cta:hover, .site-header__cta:active { background: var(--hd-green-pressed); color: var(--hd-ink); transform: translateY(-1px); }
.site-menu-toggle { display: none; border: 0; background: transparent; padding: 8px 0 8px 8px; cursor: pointer; }
.site-menu-toggle span { display: block; width: 25px; height: 2px; margin: 5px 0; background: var(--hd-ink); }
.mega-menu { position: absolute; top: 84px; left: 0; right: 0; display: none; padding: 20px 0 28px; background: #fff; border-bottom: 1px solid var(--hd-line); box-shadow: 0 20px 34px rgba(32,33,36,.08); }
.site-nav__item--solutions:hover .mega-menu, .site-nav__item--solutions:focus-within .mega-menu { display: block; }
.mega-menu__inner { width: min(calc(100% - 64px), var(--hd-max)); margin: 0 auto; display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 14px; }
.mega-menu__intro { display: flex; flex-direction: column; justify-content: center; padding: 18px 24px 18px 0; }
.eyebrow { color: var(--hd-green); font-size: 13px; line-height: 18px; font-weight: 700; letter-spacing: var(--hd-tracking); }
.mega-menu__intro strong { margin: 9px 0 18px; font-size: 24px; line-height: 44px; letter-spacing: var(--hd-tracking); }
.mega-menu__intro a { color: var(--hd-ink); font-size: 13px; font-weight: 700; }
.mega-menu__card { display: flex; align-items: center; gap: 12px; min-height: 100px; padding: 18px; border: 1px solid var(--hd-line); border-radius: 15px; color: var(--hd-ink); transition: border-color .2s, background .2s, transform .2s; }
.mega-menu__card:hover { border-color: var(--hd-green); background: var(--hd-green-soft); transform: translateY(-2px); }
.mega-menu__card b, .mega-menu__card small { display: block; }
.mega-menu__card b { font-size: 15px; }
.mega-menu__card small { margin-top: 3px; color: var(--hd-muted); font-size: 11px; }
.solution-mark { display: grid; flex: 0 0 42px; width: 42px; height: 42px; place-items: center; border-radius: 12px; color: #fff; font-size: 14px; font-weight: 800; }
.solution-mark--studio { background: var(--hd-ink); }
.solution-mark--diabetes { background: var(--hd-green); }
.solution-mark--iyak { background: #9fca42; }
.mega-menu__arrow { margin-left: auto; color: var(--hd-green); font-size: 18px; }
.mobile-menu { display: none; }

.home-hero { min-height: 690px; padding: 150px 0 110px; background: var(--hd-bg); }
.home-hero__inner, .section-inner, .product-hero__inner, .product-section__inner, .site-footer__inner { width: min(calc(100% - 64px), var(--hd-max)); margin: 0 auto; }
.home-hero__inner { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); align-items: end; gap: 28px; }
.home-hero__inner > :first-child { grid-column: span 7; }
.home-hero__inner > :last-child { grid-column: span 5; }
.home-hero h1 { max-width: 770px; margin: 18px 0 26px; font-size: clamp(44px, 5vw, 96px); line-height: 1.25; letter-spacing: var(--hd-tracking); font-weight: 700; word-break: keep-all; text-wrap: balance; }
.home-hero h1 em { color: var(--hd-green); font-style: normal; }
.home-hero__desc { max-width: 470px; color: var(--hd-muted); font-size: 16px; line-height: 30px; }
.home-hero__visual { min-height: 380px; padding: 34px; border-radius: var(--hd-radius); background: var(--hd-ink); color: #fff; position: relative; overflow: hidden; }
.home-hero__visual::before { content: ""; position: absolute; width: 300px; height: 300px; top: -100px; right: -40px; border-radius: 50%; background: var(--hd-green); opacity: .95; }
.home-hero__visual::after { content: ""; position: absolute; width: 260px; height: 260px; right: 85px; bottom: -150px; border: 54px solid rgba(255,255,255,.12); border-radius: 50%; }
.hero-card { position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: space-between; height: 100%; min-height: 310px; }
.hero-card__meta { display: flex; justify-content: space-between; align-items: center; color: rgba(255,255,255,.6); font-size: 13px; line-height: 18px; letter-spacing: var(--hd-tracking); }
.hero-card__mark { width: 72px; height: 72px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.4); border-radius: 20px; font-size: 23px; font-weight: 800; }
.hero-card h2 { max-width: 280px; margin-top: 88px; font-size: 34px; line-height: 54px; letter-spacing: var(--hd-tracking); }
.hero-card__link { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.25); color: #fff; font-size: 13px; }
.home-solutions { padding: 140px 0 150px; }
.section-kicker { color: var(--hd-green); font-size: 13px; line-height: 18px; font-weight: 700; letter-spacing: var(--hd-tracking); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin: 16px 0 50px; }
.section-heading h2 { max-width: 680px; font-size: clamp(32px, 3.125vw, 60px); line-height: 1.333; letter-spacing: var(--hd-tracking); }
.section-heading p { max-width: 340px; color: var(--hd-muted); font-size: 16px; line-height: 30px; }
.solution-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 28px; }
.solution-grid > * { grid-column: span 4; }
.solution-card { min-height: 390px; padding: 30px; border: 1px solid var(--hd-line); border-radius: var(--hd-radius); display: flex; flex-direction: column; color: var(--hd-ink); transition: transform .25s, box-shadow .25s, border-color .25s; }
.solution-card:hover { transform: translateY(-7px); border-color: var(--hd-green); box-shadow: 0 18px 40px rgba(32,33,36,.08); }
.solution-card--dark { background: var(--hd-ink); border-color: var(--hd-ink); color: #fff; }
.solution-card__top { display: flex; justify-content: space-between; align-items: center; }
.solution-card__num { color: var(--hd-muted); font-size: 12px; }
.solution-card--dark .solution-card__num { color: rgba(255,255,255,.55); }
.solution-card h3 { margin-top: 65px; font-size: 34px; line-height: 54px; letter-spacing: var(--hd-tracking); }
.solution-card h3 small { display: block; margin-top: 8px; color: var(--hd-muted); font-size: 12px; font-weight: 500; letter-spacing: 0; }
.solution-card--dark h3 small { color: rgba(255,255,255,.6); }
.solution-card p { margin-top: 16px; color: var(--hd-muted); font-size: 14px; line-height: 18px; }
.solution-card--dark p { color: rgba(255,255,255,.66); }
.solution-card__footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 24px; color: inherit; font-size: 13px; font-weight: 700; }
.solution-card__footer span:last-child { color: var(--hd-green); font-size: 22px; }
.home-flow { padding: 110px 0; background: var(--hd-green-soft); }
.flow-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 28px; margin-top: 60px; }
.flow-grid > * { grid-column: span 3; }
.flow-item { padding: 0 28px; border-left: 1px solid rgba(64,169,90,.35); }
.flow-item:first-child { padding-left: 0; border-left: 0; }
.flow-item__num { color: var(--hd-green); font-size: 13px; font-weight: 700; }
.flow-item h3 { margin: 18px 0 10px; font-size: 24px; line-height: 44px; letter-spacing: var(--hd-tracking); }
.flow-item p { color: var(--hd-muted); font-size: 13px; line-height: 1.7; }
.home-contact { padding: 130px 0; }
.contact-panel { padding: 58px; border-radius: var(--hd-radius); background: var(--hd-ink); color: #fff; display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.contact-panel h2 { max-width: 620px; font-size: clamp(32px, 3.125vw, 60px); line-height: 1.333; letter-spacing: var(--hd-tracking); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 64px; padding: 18px 32px; border-radius: 46px; background: var(--hd-green); color: #fff; font-size: 20px; font-weight: 400; line-height: 24px; letter-spacing: var(--hd-tracking); white-space: nowrap; transition: background .2s, color .2s, transform .2s; }
.button:hover, .button:active { background: var(--hd-green-pressed); color: var(--hd-ink); transform: translateY(-2px); }
.button--outline { background: transparent; border: 1px solid var(--hd-ink); color: var(--hd-ink); }
.button--outline:hover { background: var(--hd-ink); color: var(--hd-white); }
.button--white { background: #fff; color: var(--hd-ink); }

.product-hero { padding: 128px 0 108px; background: var(--hd-bg); }
.product-hero__inner { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 28px; align-items: center; }
.product-hero__inner > :first-child { grid-column: span 7; }
.product-hero__inner > :last-child { grid-column: span 5; }
.product-hero h1 { max-width: 770px; margin: 18px 0 26px; font-size: clamp(44px, 3.125vw, 60px); line-height: 1.333; letter-spacing: var(--hd-tracking); word-break: keep-all; text-wrap: balance; }
.product-hero h1 em { display: block; color: var(--hd-green); font-style: normal; word-break: keep-all; text-wrap: balance; }
.product-hero__desc { max-width: 490px; color: var(--hd-muted); font-size: 16px; line-height: 30px; }
.product-hero__actions { display: flex; gap: 10px; margin-top: 32px; }
.product-visual { min-height: 430px; padding: 30px; display: flex; flex-direction: column; justify-content: space-between; border-radius: var(--hd-radius); background: var(--hd-ink); color: #fff; overflow: hidden; position: relative; }
.product-visual--green { background: var(--hd-green); }
.product-visual::before { content: ""; position: absolute; width: 370px; height: 370px; right: -100px; bottom: -180px; border: 72px solid rgba(255,255,255,.17); border-radius: 50%; }
.product-visual__label { position: relative; z-index: 1; color: rgba(255,255,255,.65); font-size: 13px; line-height: 18px; letter-spacing: var(--hd-tracking); }
.product-visual__title { position: relative; z-index: 1; max-width: 280px; font-size: 34px; line-height: 54px; letter-spacing: var(--hd-tracking); }
.product-visual__chips { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 8px; }
.product-visual__chips span { padding: 9px 12px; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; font-size: 11px; }
.local-nav { position: sticky; top: 84px; z-index: 50; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--hd-line); backdrop-filter: blur(12px); }
.local-nav__inner { width: min(calc(100% - 64px), var(--hd-max)); margin: 0 auto; display: flex; align-items: center; gap: 26px; overflow-x: auto; }
.local-nav a { padding: 18px 0; color: var(--hd-muted); font-size: 13px; white-space: nowrap; }
.local-nav a:first-child { color: var(--hd-ink); font-weight: 700; }
.product-section { padding: 128px 0; }
.product-section--muted { background: var(--hd-bg); }
.product-section__heading { max-width: 680px; margin-bottom: 58px; }
.product-section__heading h2 { margin-top: 13px; font-size: clamp(32px, 3.125vw, 60px); line-height: 1.333; letter-spacing: var(--hd-tracking); }
.product-section__heading p { margin-top: 20px; color: var(--hd-muted); font-size: 16px; line-height: 30px; }
.feature-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 28px; }
.feature-grid > * { grid-column: span 4; }
.feature-card { min-height: 190px; padding: 25px; border: 1px solid var(--hd-line); border-radius: 18px; background: #fff; }
.feature-card__icon { width: 35px; height: 35px; display: grid; place-items: center; margin-bottom: 30px; border-radius: 10px; background: var(--hd-green-soft); color: var(--hd-green); font-size: 14px; font-weight: 700; }
.feature-card h3 { font-size: 20px; line-height: 40px; letter-spacing: var(--hd-tracking); }
.feature-card p { margin-top: 8px; color: var(--hd-muted); font-size: 13px; line-height: 1.65; }
.step-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.step { padding: 0 20px; border-left: 1px solid var(--hd-line); }
.step:first-child { padding-left: 0; border-left: 0; }
.step__number { color: var(--hd-green); font-size: 12px; font-weight: 800; }
.step h3 { margin: 16px 0 9px; font-size: 20px; line-height: 40px; letter-spacing: var(--hd-tracking); }
.step p { color: var(--hd-muted); font-size: 13px; line-height: 1.7; }
.before-after { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.before-after__panel { padding: 34px; border-radius: 20px; }
.before-after__panel--before { background: var(--hd-bg); }
.before-after__panel--after { background: var(--hd-green-soft); }
.before-after__panel h3 { margin-bottom: 20px; font-size: 24px; line-height: 44px; letter-spacing: var(--hd-tracking); }
.before-after__panel ul { display: grid; gap: 13px; color: var(--hd-muted); font-size: 14px; line-height: 1.6; }
.before-after__panel li { position: relative; padding-left: 22px; }
.before-after__panel li::before { content: ""; position: absolute; left: 0; top: .55em; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.flow-line { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0; align-items: start; }
.flow-line__item { position: relative; padding: 0 14px; text-align: center; }
.flow-line__item::after { content: "→"; position: absolute; top: 14px; right: -8px; color: var(--hd-green); }
.flow-line__item:last-child::after { display: none; }
.flow-line__icon { width: 50px; height: 50px; display: grid; place-items: center; margin: 0 auto 15px; border-radius: 50%; background: var(--hd-green); color: #fff; font-weight: 800; }
.flow-line__item span { display: block; color: var(--hd-muted); font-size: 12px; line-height: 1.5; }
.download-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 640px; }
.download-card { padding: 30px; border-radius: 18px; background: var(--hd-ink); color: #fff; display: flex; justify-content: space-between; align-items: center; }
.download-card b { font-size: 18px; }
.download-card span { color: var(--hd-green); font-size: 26px; }
.guide-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 28px; }
.guide-grid > * { grid-column: span 4; }
.guide-card { padding: 25px; border: 1px solid var(--hd-line); border-radius: 18px; }
.guide-card h3 { color: var(--hd-green); font-size: 20px; line-height: 40px; letter-spacing: var(--hd-tracking); }
.guide-card p { margin-top: 13px; color: var(--hd-muted); font-size: 13px; line-height: 1.8; }
.site-footer { padding: 58px 0 35px; background: var(--hd-ink); color: #fff; }
.site-footer__top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.15); }
.site-logo--footer img { width: 151px; }
.site-footer__links { display: flex; gap: 24px; }
.site-footer a { color: rgba(255,255,255,.78); font-size: 13px; }
.site-footer__bottom { padding-top: 28px; color: rgba(255,255,255,.55); font-size: 12px; line-height: 2; }
.site-footer__copyright { margin-top: 35px; color: rgba(255,255,255,.35); font-size: 11px; }
.fade-up { opacity: 0; transform: translateY(18px); transition: opacity .7s, transform .7s; }
.fade-up.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
    .site-header__inner, .home-hero__inner, .section-inner, .product-hero__inner, .product-section__inner, .site-footer__inner { width: min(calc(100% - 40px), var(--hd-max)); }
    .site-header__inner { height: 72px; }
    .site-nav, .site-header__cta { display: none; }
    .site-menu-toggle { display: block; }
    .mobile-menu { display: none; padding: 14px 20px 24px; background: #fff; border-top: 1px solid var(--hd-line); }
    .mobile-menu.is-open { display: grid; }
    .mobile-menu a { padding: 13px 0; color: var(--hd-ink); font-size: 14px; font-weight: 700; }
    .home-hero, .product-hero { padding: 100px 0 78px; }
    .home-hero__inner, .product-hero__inner { grid-template-columns: 1fr; gap: 52px; }
    .home-hero__inner > *, .product-hero__inner > * { grid-column: auto; }
    .home-hero__visual, .product-visual { min-height: 330px; }
    .solution-grid, .feature-grid, .guide-grid { grid-template-columns: 1fr; }
    .solution-grid > *, .feature-grid > *, .guide-grid > * { grid-column: auto; }
    .solution-card { min-height: 300px; }
    .flow-grid, .step-list { grid-template-columns: repeat(2, 1fr); gap: 28px 0; }
    .flow-grid > * { grid-column: auto; }
    .flow-item:nth-child(3), .step:nth-child(3) { padding-left: 0; border-left: 0; }
    .contact-panel { align-items: flex-start; flex-direction: column; padding: 36px; }
    .local-nav { top: 72px; }
    .flow-line { grid-template-columns: repeat(4, 1fr); gap: 30px 0; }
    .flow-line__item:nth-child(4)::after { display: none; }
}
@media (max-width: 560px) {
    .home-hero__inner, .section-inner, .product-hero__inner, .product-section__inner, .site-footer__inner, .site-header__inner { width: calc(100% - 32px); }
    .home-hero h1, .product-hero h1 { font-size: 44px; }
    .button { min-height: 56px; padding: 14px 18px; font-size: 16px; white-space: normal; text-align: center; }
    .home-solutions, .product-section, .home-contact { padding: 85px 0; }
    .section-heading { display: block; margin-bottom: 32px; }
    .section-heading p { margin-top: 18px; }
    .product-hero__actions { flex-wrap: wrap; }
    .before-after, .download-grid { grid-template-columns: 1fr; }
    .flow-line { grid-template-columns: repeat(2, 1fr); }
    .flow-line__item:nth-child(even)::after { display: none; }
    .site-footer__top { align-items: flex-start; flex-direction: column; gap: 25px; }
    .site-footer__links { flex-wrap: wrap; gap: 12px 18px; }
}