:root {
  --mb-navy: #0a1628;
  --mb-ink: #102a43;
  --mb-blue: #0077b6;
  --mb-cyan: #00d4ff;
  --mb-sky: #eaf7fb;
  --mb-slate: #46637f;
  --mb-line: #d9e8f1;
  --mb-white: #ffffff;
  --mb-shadow: 0 22px 55px rgba(10, 22, 40, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--mb-ink);
  background: #f7fbfd;
  font-family: Pretendard, "Noto Sans KR", Arial, sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
.detail-shell { overflow: hidden; }
.detail-container { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

.detail-nav {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgba(217, 232, 241, .92);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
}
.nav-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--mb-navy); font-weight: 800; font-size: 1.18rem; text-decoration: none; letter-spacing: -.04em; }
.brand img { width: 36px; height: 36px; object-fit: contain; }
.nav-actions { display: flex; align-items: center; gap: 18px; font-size: .92rem; font-weight: 700; }
.text-link { color: var(--mb-slate); text-decoration: none; }
.text-link:hover { color: var(--mb-blue); }
.nav-button, .primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border-radius: 999px; font-weight: 800; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.nav-button, .primary-button { color: #fff; background: linear-gradient(120deg, var(--mb-blue), #0099d6); box-shadow: 0 10px 24px rgba(0, 119, 182, .22); }
.nav-button:hover, .primary-button:hover { transform: translateY(-2px); box-shadow: 0 15px 30px rgba(0, 119, 182, .28); }
.secondary-button { color: var(--mb-blue); border: 1px solid #a9d5e5; background: #fff; }
.secondary-button:hover { background: #eaf8fc; }

.product-hero { position: relative; color: var(--mb-ink); border-bottom: 1px solid var(--mb-line); background: #ffffff; }
.product-hero::after { display: none; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; min-height: 580px; padding: 86px 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px; color: var(--mb-blue); font-size: .82rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { width: 28px; height: 2px; content: ""; background: currentColor; }
.product-hero h1 { max-width: 690px; margin: 0; color: var(--mb-navy); font-family: Outfit, Pretendard, sans-serif; font-size: clamp(2.45rem, 5vw, 4.7rem); line-height: 1.08; letter-spacing: -.065em; }
.product-hero h1 span { color: var(--mb-blue); }
.hero-copy { max-width: 590px; margin: 24px 0 32px; color: #365b75; font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual { position: relative; min-height: 380px; display: grid; place-items: center; }
.product-frame { position: relative; z-index: 1; width: min(100%, 450px); padding: 16px; border: 2px solid var(--mb-blue); border-radius: 20px; background: #ffffff; box-shadow: 0 18px 34px rgba(10, 57, 82, .12); }
.product-frame img { display: block; width: 100%; max-height: 330px; border-radius: 17px; object-fit: cover; background: #dceaf2; }
.floating-stat { position: absolute; z-index: 2; right: -12px; bottom: 18px; max-width: 190px; padding: 14px 17px; border: 1px solid #a9d8e7; border-radius: 15px; color: #31566d; background: rgba(255,255,255,.96); box-shadow: 0 16px 36px rgba(10,57,82,.16); font-size: .82rem; font-weight: 700; line-height: 1.4; }
.floating-stat strong { display: block; margin-bottom: 3px; color: var(--mb-blue); font-size: 1.1rem; }

.anchor-nav { border-bottom: 1px solid var(--mb-line); background: #fff; }
.anchor-nav-inner { display: flex; gap: 26px; overflow-x: auto; white-space: nowrap; }
.anchor-nav a { padding: 17px 0 14px; border-bottom: 3px solid transparent; color: var(--mb-slate); font-size: .9rem; font-weight: 800; text-decoration: none; }
.anchor-nav a:hover { border-color: var(--mb-cyan); color: var(--mb-blue); }

.detail-section { padding: 102px 0; }
.detail-section.alt { background: var(--mb-white); }
.section-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 70px; align-items: start; }
.section-kicker { margin: 0 0 12px; color: var(--mb-blue); font-size: .78rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.section-title { margin: 0; color: var(--mb-navy); font-family: Outfit, Pretendard, sans-serif; font-size: clamp(2rem, 3.8vw, 3.25rem); line-height: 1.17; letter-spacing: -.055em; }
.section-intro { margin: 20px 0 0; color: var(--mb-slate); font-size: 1.04rem; }
.feature-list { display: grid; gap: 14px; }
.feature-row { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 19px 0; border-bottom: 1px solid var(--mb-line); }
.feature-mark { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 12px; color: var(--mb-blue); background: var(--mb-sky); font-weight: 900; }
.feature-row h3 { margin: 0 0 4px; color: var(--mb-navy); font-size: 1.07rem; }
.feature-row p { margin: 0; color: var(--mb-slate); font-size: .95rem; }

.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 38px; }
.metric { min-height: 140px; padding: 23px; border: 1px solid var(--mb-line); border-radius: 18px; background: #fff; }
.metric strong { display: block; color: var(--mb-blue); font-family: Outfit, sans-serif; font-size: 2rem; letter-spacing: -.06em; line-height: 1; }
.metric span { display: block; margin-top: 11px; color: var(--mb-slate); font-size: .85rem; font-weight: 700; }

.model-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 48px; }
.model-card { scroll-margin-top: 100px; overflow: hidden; border: 1px solid var(--mb-line); border-radius: 24px; background: #fff; box-shadow: 0 15px 40px rgba(10, 22, 40, .06); }
.model-card.highlight { border-color: rgba(0, 119, 182, .55); box-shadow: var(--mb-shadow); }
.model-card img { display: block; width: 100%; height: 210px; object-fit: cover; background: #e6f1f6; }
.model-content { padding: 28px; }
.model-tag { display: inline-flex; margin-bottom: 12px; color: var(--mb-blue); font-size: .76rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.model-card h3 { margin: 0; color: var(--mb-navy); font-family: Outfit, Pretendard, sans-serif; font-size: 1.65rem; letter-spacing: -.045em; }
.model-card > .model-content > p { margin: 11px 0 20px; color: var(--mb-slate); }
.spec-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.spec-list li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-top: 1px solid var(--mb-line); color: var(--mb-slate); font-size: .9rem; }
.spec-list strong { color: var(--mb-ink); font-weight: 800; text-align: right; }

.flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.flow-step { position: relative; min-height: 210px; padding: 28px; border: 1px solid var(--mb-line); border-radius: 22px; color: var(--mb-ink); background: #fff; box-shadow: 0 12px 30px rgba(10,57,82,.06); }
.flow-step:nth-child(2) { background: #ffffff; border-color: #acdce9; }
.flow-step:nth-child(3) { background: #ffffff; border-color: #9fd8e8; }
.flow-number { display: block; margin-bottom: 36px; color: var(--mb-blue); font-family: Outfit, sans-serif; font-size: .85rem; font-weight: 900; letter-spacing: .14em; }
.flow-step h3 { margin: 0 0 8px; color: var(--mb-navy); font-size: 1.2rem; }
.flow-step p { margin: 0; color: #46637f; font-size: .92rem; }

.detail-cta { padding: 86px 0; color: var(--mb-ink); border-top: 1px solid #cfe6ee; background: #ffffff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.detail-cta h2 { max-width: 620px; margin: 0; font-family: Outfit, Pretendard, sans-serif; font-size: clamp(2rem, 3.5vw, 3.1rem); line-height: 1.15; letter-spacing: -.055em; }
.detail-cta p { margin: 14px 0 0; color: #46637f; }
.detail-footer { padding: 26px 0; color: #527086; border-top: 1px solid #d5e8ee; background: #ffffff; font-size: .84rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.footer-brand { color: var(--mb-navy); font-weight: 800; text-decoration: none; }

@media (max-width: 820px) {
  .detail-container { width: min(100% - 36px, 620px); }
  .nav-inner { min-height: 66px; }
  .nav-actions .text-link { display: none; }
  .product-hero h1 { font-size: clamp(2.35rem, 11vw, 3.6rem); }
  .hero-inner, .section-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero-inner { min-height: auto; padding: 65px 0 72px; }
  .hero-visual { min-height: 260px; }
  .product-frame { width: min(100%, 390px); }
  .detail-section { padding: 76px 0; }
  .metrics, .flow-grid { grid-template-columns: 1fr; }
  .model-grid { grid-template-columns: 1fr; }
  .cta-inner, .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 480px) {
  .detail-container { width: min(100% - 30px, 620px); }
  .brand { font-size: 1.05rem; }
  .brand img { width: 32px; height: 32px; }
  .nav-button { min-height: 39px; padding: 0 14px; font-size: .83rem; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions a { width: 100%; }
  .floating-stat { right: 0; bottom: -14px; }
  .detail-section { padding: 62px 0; }
  .model-content { padding: 23px; }
}