:root {
  --ink: #14201b;
  --muted: #62706a;
  --line: #dfe7e2;
  --paper: #f7faf7;
  --white: #ffffff;
  --green: #16724b;
  --green-dark: #0d5035;
  --mint: #dff4e7;
  --lime: #b9e66f;
  --orange: #ff8b55;
  --shadow: 0 28px 70px rgba(22, 56, 41, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }

.affiliate-notice {
  min-height: 34px;
  padding: 8px 20px;
  color: #36433e;
  background: #e9efeb;
  font-size: 12px;
  font-weight: 650;
  text-align: center;
}

.site-header {
  position: relative;
  z-index: 10;
  width: min(1180px, calc(100% - 48px));
  height: 82px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 900; letter-spacing: -1px; }
.brand-mark {
  width: 34px;
  height: 34px;
  padding: 7px;
  border-radius: 11px;
  display: inline-flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  background: var(--green);
  box-shadow: 0 8px 20px rgba(22, 114, 75, .22);
}
.brand-mark i { width: 4px; border-radius: 3px; background: white; display: block; transform: rotate(24deg); }
.brand-mark i:nth-child(1) { height: 9px; }
.brand-mark i:nth-child(2) { height: 15px; }
.brand-mark i:nth-child(3) { height: 20px; }
.site-header nav { display: flex; gap: 30px; color: #4d5c55; font-size: 14px; font-weight: 700; }
.site-header nav a:hover { color: var(--green); }

.hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr);
  align-items: center;
  gap: 40px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 48px 0 90px;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 620px;
  height: 620px;
  right: -180px;
  top: -40px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #e9f8e8 0 18%, #d7f0d7 58%, #c6e9cb 100%);
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--green); font-size: 14px; font-weight: 850; }
.eyebrow span { width: 23px; height: 2px; background: var(--green); }
.hero h1 { margin: 22px 0 20px; font-size: clamp(48px, 5.1vw, 72px); line-height: 1.08; letter-spacing: -4px; }
.hero h1 em { color: var(--green); font-style: normal; position: relative; }
.hero h1 em::after { content: ""; position: absolute; left: 2px; right: -2px; bottom: 2px; height: 10px; z-index: -1; background: var(--lime); opacity: .62; border-radius: 20px; }
.hero-copy > p { max-width: 510px; margin: 0 0 34px; color: var(--muted); font-size: 18px; line-height: 1.7; letter-spacing: -.4px; }

.finder-card { position: relative; width: min(620px, 100%); padding: 22px; border: 1px solid rgba(255,255,255,.85); border-radius: 22px; background: rgba(255,255,255,.93); box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.finder-card > label { display: block; margin: 0 0 11px 4px; font-size: 13px; font-weight: 800; color: #45534d; }
.search-row { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: center; }
.search-row input { width: 100%; height: 58px; padding: 0 112px 0 48px; color: var(--ink); background: #f3f7f4; border: 1px solid transparent; border-radius: 15px; outline: none; font-size: 16px; font-weight: 650; }
.search-row input:focus { border-color: #8bc9a8; background: white; box-shadow: 0 0 0 4px rgba(22,114,75,.08); }
.search-icon { position: absolute; z-index: 2; left: 20px; top: 18px; width: 18px; height: 18px; border: 2px solid #71817a; border-radius: 50%; }
.search-icon::after { content: ""; position: absolute; width: 7px; height: 2px; right: -5px; bottom: -2px; background: #71817a; transform: rotate(45deg); border-radius: 2px; }
.search-row button { position: absolute; right: 5px; width: 94px; height: 48px; border: 0; border-radius: 12px; color: white; background: var(--green); font-weight: 850; cursor: pointer; transition: .2s ease; }
.search-row button:hover { background: var(--green-dark); transform: translateY(-1px); }
.brand-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.brand-chips button { padding: 7px 12px; border: 1px solid var(--line); border-radius: 20px; background: white; color: #56655f; font-size: 12px; font-weight: 750; cursor: pointer; }
.brand-chips button:hover, .brand-chips button.active { border-color: #8bc9a8; color: var(--green); background: #eef9f2; }
.suggestions { position: absolute; z-index: 30; width: min(574px, calc(100% - 44px)); max-height: 310px; margin-top: 8px; overflow-y: auto; border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: 0 22px 50px rgba(15,51,36,.16); }
.suggestion { width: 100%; padding: 14px 16px; display: flex; justify-content: space-between; align-items: center; border: 0; border-bottom: 1px solid #eef2ef; background: white; text-align: left; cursor: pointer; }
.suggestion:last-child { border-bottom: 0; }
.suggestion:hover, .suggestion[aria-selected="true"] { background: #f0f8f3; }
.suggestion strong { display: block; font-size: 14px; }
.suggestion small { color: var(--muted); font-size: 11px; }
.suggestion span { color: var(--green); font-size: 12px; font-weight: 800; }

.hero-visual { position: relative; height: 520px; }
.vacuum { position: absolute; z-index: 3; left: 50%; top: 50%; width: 310px; height: 310px; transform: translate(-48%, -45%); border: 12px solid #f7faf8; border-radius: 50%; background: radial-gradient(circle at 35% 25%, #ffffff, #e6ece8 66%, #cbd5cf); box-shadow: 0 36px 54px rgba(25,62,45,.22), inset -18px -20px 30px rgba(36,69,52,.09), inset 14px 14px 24px rgba(255,255,255,.8); }
.vacuum::after { content: ""; position: absolute; inset: 7px; border-radius: 50%; border: 1px solid rgba(51,83,66,.13); }
.vacuum-lidar { position: absolute; z-index: 2; left: 50%; top: 42px; width: 76px; height: 76px; transform: translateX(-50%); border: 8px solid #e8eeea; border-radius: 50%; background: #fdfefd; box-shadow: 0 9px 20px rgba(21,53,38,.16); }
.vacuum-lidar span { position: absolute; left: 50%; top: 50%; width: 24px; height: 7px; transform: translate(-50%,-50%); border-radius: 10px; background: var(--green); }
.vacuum-face { position: absolute; left: 50%; top: 148px; width: 100px; height: 55px; transform: translateX(-50%); }
.vacuum-face i { position: absolute; top: 7px; width: 8px; height: 12px; border-radius: 50%; background: #607168; }
.vacuum-face i:first-child { left: 23px; }
.vacuum-face i:nth-child(2) { right: 23px; }
.vacuum-face b { position: absolute; left: 50%; top: 21px; width: 28px; height: 15px; transform: translateX(-50%); border-bottom: 3px solid var(--green); border-radius: 0 0 22px 22px; }
.vacuum-shine { position: absolute; left: 56px; top: 94px; width: 55px; height: 25px; border-top: 7px solid rgba(255,255,255,.9); border-radius: 50%; transform: rotate(-25deg); }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px dashed rgba(22,114,75,.24); border-radius: 50%; transform: translate(-50%,-50%); }
.orbit-one { width: 420px; height: 420px; }
.orbit-two { width: 510px; height: 510px; }
.part-bubble { position: absolute; z-index: 4; display: flex; align-items: center; gap: 8px; padding: 11px 15px; border: 1px solid rgba(255,255,255,.9); border-radius: 15px; color: #31423a; background: rgba(255,255,255,.88); box-shadow: 0 14px 30px rgba(29,66,49,.12); font-size: 13px; font-weight: 800; backdrop-filter: blur(8px); }
.part-bubble span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; color: var(--green); background: var(--mint); font-size: 16px; }
.bubble-filter { left: 9%; top: 18%; }
.bubble-mop { right: 0; top: 35%; }
.bubble-bag { left: 2%; bottom: 17%; }
.visual-shadow { position: absolute; z-index: 1; left: 50%; bottom: 24px; width: 310px; height: 48px; transform: translateX(-50%); border-radius: 50%; background: rgba(32,70,51,.16); filter: blur(18px); }

.results-shell { width: min(1040px, calc(100% - 40px)); margin: -38px auto 95px; padding: 38px; border: 1px solid var(--line); border-radius: 28px; background: white; box-shadow: var(--shadow); }
.selected-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-kicker { display: block; margin-bottom: 8px; color: var(--green); font-size: 12px; font-weight: 900; letter-spacing: 1.2px; }
.selected-head h2 { margin: 0; font-size: 30px; letter-spacing: -1.5px; }
.model-status { display: flex; align-items: center; gap: 7px; margin: 8px 0 0; color: var(--muted); font-size: 12px; font-weight: 750; }
.model-status::before { width: 7px; height: 7px; flex: none; border-radius: 50%; background: var(--orange); content: ''; }
.model-status.verified { color: var(--green); }
.model-status.verified::before { background: var(--green); }
.selected-head button { padding: 9px 14px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: white; font-size: 13px; font-weight: 750; cursor: pointer; }
.caution-card { display: flex; align-items: center; gap: 13px; padding: 15px 18px; border-radius: 14px; background: #fff7ef; color: #6e4a34; }
.caution-card p { margin: 0; font-size: 13px; line-height: 1.55; }
.caution-icon { flex: none; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--orange); font-weight: 900; }
.part-title { margin: 30px 0 16px; font-size: 16px; }
.part-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.part-button { min-height: 112px; padding: 15px 10px; border: 1px solid var(--line); border-radius: 16px; background: white; color: var(--ink); cursor: pointer; transition: .18s ease; }
.part-button:hover, .part-button.active { border-color: var(--green); background: #f0f9f3; transform: translateY(-2px); box-shadow: 0 10px 22px rgba(22,114,75,.09); }
.part-button span { width: 38px; height: 38px; margin: 0 auto 8px; display: grid; place-items: center; border-radius: 12px; background: var(--mint); color: var(--green); font-size: 20px; font-weight: 900; }
.part-button strong { display: block; font-size: 13px; }
.part-button small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; }
.product-area { min-height: 180px; margin-top: 28px; padding-top: 26px; border-top: 1px solid var(--line); }
.empty-state { min-height: 135px; display: grid; place-items: center; align-content: center; color: #829089; text-align: center; }
.empty-symbol { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 6px; border-radius: 15px; background: #eef3ef; font-size: 27px; }
.empty-state p { margin: 4px; font-size: 13px; }
.loading { display: grid; place-items: center; min-height: 150px; color: var(--muted); font-size: 13px; }
.spinner { width: 34px; height: 34px; margin-bottom: 12px; border: 3px solid #deebe3; border-top-color: var(--green); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.products-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 14px; }
.products-head h3 { margin: 0; font-size: 20px; }
.products-head p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.demo-badge { padding: 6px 9px; border-radius: 8px; background: #fff0df; color: #a75c26; font-size: 10px; font-weight: 900; }
.product-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: white; }
.product-image { aspect-ratio: 4/3; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg,#f2f6f3,#e2ece6); }
.product-image img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.product-placeholder { width: 80px; height: 80px; display: grid; place-items: center; border-radius: 26px; color: var(--green); background: white; box-shadow: 0 12px 24px rgba(23,67,46,.1); font-size: 35px; }
.product-info { padding: 15px; }
.product-tags { min-height: 21px; display: flex; gap: 5px; margin-bottom: 8px; }
.product-tags span { padding: 4px 7px; border-radius: 6px; background: #eef7f1; color: var(--green); font-size: 9px; font-weight: 900; }
.product-name { height: 42px; margin: 0; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; font-size: 13px; line-height: 1.55; }
.product-price { margin: 12px 0; font-size: 20px; font-weight: 900; letter-spacing: -.5px; }
.product-link { width: 100%; height: 42px; display: grid; place-items: center; border: 0; border-radius: 11px; color: white; background: var(--green); font-size: 12px; font-weight: 850; cursor: pointer; }
.product-link:hover { background: var(--green-dark); }
.product-link.disabled { color: #89948f; background: #e8edea; cursor: not-allowed; }
.all-search { display: flex; justify-content: flex-end; margin-top: 16px; }
.all-search a { padding: 11px 16px; border: 1px solid var(--green); border-radius: 12px; color: var(--green); font-size: 12px; font-weight: 850; }
.api-notice { margin: 14px 0 0; color: #8a633e; font-size: 11px; text-align: right; }

.why-section { padding: 100px max(24px, calc((100% - 1180px)/2)); background: var(--green-dark); color: white; }
.section-heading h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); line-height: 1.2; letter-spacing: -2.5px; }
.why-section .section-kicker { color: var(--lime); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.feature-grid article { min-height: 215px; padding: 28px; border: 1px solid rgba(255,255,255,.13); border-radius: 20px; background: rgba(255,255,255,.055); }
.feature-no { color: var(--lime); font-size: 13px; font-weight: 900; }
.feature-grid h3 { margin: 38px 0 12px; font-size: 20px; }
.feature-grid p { margin: 0; color: rgba(255,255,255,.66); font-size: 14px; line-height: 1.7; }

.popular-section { width: min(1180px, calc(100% - 48px)); margin: auto; padding: 96px 0 110px; }
.section-heading.compact h2 { font-size: 36px; }
.popular-models { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px; }
.model-card { min-height: 122px; padding: 20px; border: 1px solid var(--line); border-radius: 17px; background: white; text-align: left; cursor: pointer; transition: .18s ease; }
.model-card:hover { border-color: #8cc9a9; transform: translateY(-3px); box-shadow: 0 14px 30px rgba(26,67,48,.09); }
.model-card small { color: var(--green); font-size: 11px; font-weight: 850; }
.model-card strong { display: block; margin-top: 15px; font-size: 15px; line-height: 1.35; }
.model-card span { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; }

footer { padding: 52px max(24px, calc((100% - 1180px)/2)); color: #708078; background: #edf2ee; font-size: 12px; line-height: 1.7; }
.footer-brand { margin-bottom: 18px; color: var(--ink); }
footer p { max-width: 720px; }
.copyright { margin-top: 24px; color: #9ba59f; }

@media (max-width: 900px) {
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 38px; }
  .hero-visual { height: 420px; order: -1; margin-bottom: -30px; transform: scale(.88); }
  .hero-copy { text-align: center; }
  .eyebrow { justify-content: center; }
  .hero-copy > p, .finder-card { margin-left: auto; margin-right: auto; }
  .part-grid { grid-template-columns: repeat(3, 1fr); }
  .product-list { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 170px; }
  .feature-grid h3 { margin-top: 25px; }
  .popular-models { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .affiliate-notice { padding: 7px 14px; font-size: 10px; line-height: 1.5; }
  .site-header { width: calc(100% - 32px); height: 68px; }
  .site-header nav { display: none; }
  .hero { width: calc(100% - 32px); padding: 18px 0 74px; }
  .hero h1 { margin-top: 16px; font-size: 41px; letter-spacing: -2.8px; }
  .hero-copy > p { margin-bottom: 24px; font-size: 15px; }
  .hero-visual { height: 340px; transform: scale(.75); margin: -38px -60px -20px; }
  .finder-card { padding: 16px; border-radius: 18px; text-align: left; }
  .search-row { grid-template-columns: 1fr; }
  .search-row input { height: 54px; padding-right: 20px; }
  .search-row button { position: static; width: 100%; height: 48px; margin-top: 8px; }
  .suggestions { width: calc(100% - 32px); }
  .results-shell { width: calc(100% - 24px); padding: 22px 16px; border-radius: 22px; }
  .selected-head { align-items: flex-start; }
  .selected-head h2 { font-size: 23px; }
  .part-grid { grid-template-columns: repeat(2, 1fr); }
  .part-button { min-height: 104px; }
  .product-list { grid-template-columns: 1fr; }
  .products-head { align-items: flex-start; }
  .why-section { padding-top: 72px; padding-bottom: 72px; }
  .section-heading h2 { font-size: 34px; }
  .popular-section { width: calc(100% - 32px); padding: 72px 0; }
  .popular-models { grid-template-columns: 1fr; }
  .model-card { min-height: 100px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}