/* ===== CORE ELEVATOR — 공통 스타일 ===== */
:root {
  --navy: #0A2A4D;
  --blue: #1E6FD9;
  --blue-active: #14497D;
  --blue-light: #3B82F6;
  --ink: #222222;
  --muted: #6A6A6A;
  --hairline: #EBEBEB;
  --canvas: #FFFFFF;
  --surface-soft: #F7F7F7;
  --header-height: 88px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;
  color: var(--ink);
  line-height: 1.5;
  background: #fff;
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; }
.container { width: min(calc(100% - 48px), 1280px); margin-inline: auto; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-height);
  background: rgba(255,255,255,.98); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--hairline);
}
.header-inner {
  width: min(calc(100% - 48px), 1440px); height: 100%; margin-inline: auto;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px;
}
.brand { display: inline-flex; align-items: center; }
.brand img { height: 64px; width: auto; max-width: 240px; object-fit: contain; }
.brand-text { font-size: 22px; font-weight: 800; color: var(--navy); letter-spacing: -.3px; }
.main-nav { display: flex; align-items: stretch; height: 100%; gap: 4px; }
.nav-item { position: relative; display: flex; align-items: stretch; }
.nav-trigger {
  display: flex; align-items: center; padding: 0 14px; min-width: 82px; justify-content: center;
  font-size: 16px; font-weight: 600; color: var(--muted);
}
.nav-item:hover .nav-trigger { color: var(--ink); }
.mega-panel {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 380px; padding: 28px 8px; background: #fff; border: 1px solid var(--hairline);
  border-top: none; border-radius: 0 0 14px 14px; box-shadow: 0 16px 32px rgba(20,30,50,.1);
  display: flex; gap: 8px; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .14s, transform .14s;
}
.nav-item:hover .mega-panel { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.mega-col { min-width: 168px; padding: 0 20px; }
.mega-col + .mega-col { border-left: 1px solid var(--hairline); }
.mega-col-title { margin: 0 0 14px; color: var(--muted); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; font-weight: 700; }
.mega-links { display: grid; gap: 4px; }
.mega-link { display: block; padding: 8px 10px; border-radius: 8px; font-size: 14.5px; }
.mega-link:hover { background: var(--surface-soft); }
.mega-link.disabled { color: #aaa; pointer-events: none; display: flex; align-items: center; gap: 6px; }
.tag-soon { font-size: 10px; padding: 1px 6px; border-radius: 999px; background: var(--surface-soft); color: var(--muted); font-weight: 700; }
.header-actions { display: flex; justify-content: flex-end; align-items: center; gap: 10px; }
.header-phone { padding: 10px 12px; border-radius: 999px; font-size: 14px; }
.header-phone:hover { background: var(--surface-soft); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 13px 23px; border-radius: 8px; font-size: 16px; font-weight: 500;
  transition: background-color .15s;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-active); }
.btn-outline { background: #fff; border: 1.5px solid var(--ink); color: var(--ink); }
.menu-toggle { display: none; }

@media (max-width: 1023px) {
  .main-nav { display: none; }
  .header-actions .btn-primary, .header-phone { display: none; }
  .menu-toggle {
    display: inline-grid; place-items: center; width: 40px; height: 40px;
    border: 1px solid var(--hairline); border-radius: 999px;
  }
}

.mobile-menu {
  position: fixed; inset: var(--header-height) 0 0; z-index: 90; background: #fff;
  padding: 24px; overflow-y: auto; display: none;
}
.mobile-menu.open { display: block; }
.mobile-group + .mobile-group { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--hairline); }
.mobile-group-title { display: block; margin-bottom: 6px; font-size: 18px; font-weight: 700; }
.mobile-sub-link { display: flex; justify-content: space-between; min-height: 44px; align-items: center; color: var(--muted); font-size: 15px; }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 640px; display: flex; align-items: flex-end;
  background-size: cover; background-position: center; color: #fff;
}
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10,26,45,.88), rgba(10,26,45,.35)); }
.hero-content { position: relative; z-index: 1; padding: 64px 0 72px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; letter-spacing: .05em; text-transform: uppercase; margin-bottom: 16px; color: #bcd4f5; }
.hero-eyebrow::before { content: ""; width: 20px; height: 2px; background: var(--blue-light); }
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.2; font-weight: 800; margin-bottom: 20px; }
.hero p { font-size: 17px; line-height: 1.7; max-width: 620px; opacity: .9; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ===== Section shared ===== */
section { padding: 64px 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px;
  color: var(--blue); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; font-weight: 600;
}
.eyebrow::before { content: ""; width: 20px; height: 2px; background: currentColor; }
h2.section-title { font-size: clamp(24px, 3vw, 30px); font-weight: 800; line-height: 1.3; margin-bottom: 16px; }
.section-desc { color: var(--muted); font-size: 15.5px; line-height: 1.7; max-width: 640px; margin-bottom: 32px; }

/* ===== About intro / stats ===== */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stat-card { background: var(--surface-soft); border-radius: 14px; padding: 24px 20px; text-align: center; }
.stat-value { font-size: 30px; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.stat-label { font-size: 13px; color: var(--muted); }
@media (max-width: 900px) { .about-intro { grid-template-columns: 1fr; } }

/* ===== About detail (navy) ===== */
.about-detail { background: var(--navy); color: #fff; padding: 88px 24px; }
.about-detail .container { max-width: 860px; text-align: center; }
.about-detail .eyebrow { color: var(--blue-light); justify-content: center; }
.about-detail .eyebrow::before, .about-detail .eyebrow::after { content: ""; width: 20px; height: 2px; background: currentColor; }
.about-detail h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 40px; }
.about-body { text-align: left; display: flex; flex-direction: column; gap: 28px; }
.about-body p { color: rgba(255,255,255,.82); font-size: 17px; line-height: 1.85; }
.about-closing {
  border-left: 3px solid var(--blue-light); padding-left: 20px;
  font-size: 22px; font-weight: 700; line-height: 1.6;
}

/* ===== Cert badges ===== */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-card { border: 1px solid var(--hairline); border-radius: 14px; padding: 28px 24px; text-align: center; }
.cert-icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 999px; background: rgba(30,111,217,.1); display: grid; place-items: center; }
.cert-title { font-weight: 700; margin-bottom: 8px; }
.cert-desc { font-size: 13.5px; color: var(--muted); line-height: 1.6; }
@media (max-width: 767px) { .cert-grid { grid-template-columns: 1fr; } }

/* ===== Business tabs ===== */
.biz-tabs { display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.biz-tab-btn {
  padding: 12px 22px; border-radius: 999px; border: 1px solid var(--hairline);
  font-size: 14.5px; font-weight: 600; color: var(--muted);
}
.biz-tab-btn.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.biz-panel { display: none; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.biz-panel.active { display: grid; }
.biz-panel img { border-radius: 16px; aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.biz-label { display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue); text-transform: uppercase; margin-bottom: 10px; }
.biz-panel h3 { font-size: 22px; font-weight: 800; margin-bottom: 14px; }
.biz-panel p { color: var(--muted); font-size: 15px; line-height: 1.75; margin-bottom: 18px; white-space: pre-line; }
@media (max-width: 900px) { .biz-panel, .biz-panel.active { grid-template-columns: 1fr; } }

/* ===== Process steps ===== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.process-card { text-align: center; padding: 8px; }
.process-num {
  width: 40px; height: 40px; margin: 0 auto 16px; border-radius: 999px; background: var(--navy);
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 15px;
}
.process-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.process-card p { font-size: 13.5px; color: var(--muted); line-height: 1.6; }
@media (max-width: 767px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== Values ===== */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card { background: var(--surface-soft); border-radius: 16px; padding: 32px 24px; }
.value-eng { font-size: 12px; font-weight: 700; color: var(--blue); text-transform: uppercase; margin-bottom: 10px; }
.value-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; }
.value-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }
@media (max-width: 767px) { .values-grid { grid-template-columns: 1fr; } }

/* ===== Portfolio ===== */
.portfolio-header { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 28px; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pf-card { border: 1px solid var(--hairline); border-radius: 12px; overflow: hidden; }
.pf-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.pf-info { padding: 18px 20px 22px; }
.pf-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.pf-info p { font-size: 13px; color: var(--muted); }
@media (max-width: 1023px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .portfolio-grid { grid-template-columns: 1fr; } .portfolio-header { flex-direction: column; align-items: flex-start; } }

/* ===== Vision ===== */
.vision {
  position: relative; min-height: 460px; display: flex; align-items: center;
  background-size: cover; background-position: center; color: #fff;
}
.vision::before { content: ""; position: absolute; inset: 0; background: rgba(10,26,45,.55); }
.vision .container { position: relative; z-index: 1; max-width: 720px; }
.vision .eyebrow { color: var(--blue-light); }
.vision h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; margin-bottom: 20px; line-height: 1.3; }
.vision p { font-size: 15.5px; line-height: 1.75; opacity: .92; margin-bottom: 28px; }

/* ===== Visit / contact ===== */
.visit-loc-title { display:flex; align-items:center; gap:10px; margin-bottom:20px; }
.visit-loc-title .tag { font-size:20px; font-weight:800; padding:8px 20px; border-radius:10px; background: var(--navy); color:#fff; letter-spacing:-0.01em; }
@media (max-width:600px){ .visit-loc-title .tag { font-size:17px; padding:7px 16px; } }
.visit-block + .visit-block { margin-top: 40px; }
.visit-map iframe { width:100%; height:280px; border:0; display:block; }
.visit-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(320px,.9fr); gap: 32px; }
.visit-map-wrap { display: flex; flex-direction: column; gap: 10px; }
.visit-map { border-radius: 14px; overflow: hidden; }
.visit-map img { width: 100%; }
.visit-map-caption { font-size: 14px; color: var(--muted); }
.visit-map-caption a { color: var(--blue); text-decoration: underline; }
.visit-transit { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 4px; }
.visit-transit-card { border: 1px solid var(--hairline); border-radius: 12px; padding: 16px 18px; }
.visit-transit-card p.tt { font-weight: 700; margin-bottom: 6px; font-size: 14.5px; }
.visit-transit-card p.tx { font-size: 13px; color: var(--muted); white-space: pre-line; line-height: 1.6; }
.visit-info { background: var(--navy); border-radius: 14px; padding: 32px; color: #fff; display: flex; flex-direction: column; gap: 18px; justify-content: center; }
.visit-row { display: flex; gap: 14px; align-items: flex-start; }
.visit-row-icon { width: 36px; height: 36px; flex: none; border-radius: 999px; border: 1.5px solid var(--blue-light); display: grid; place-items: center; }
.visit-row-label { font-size: 12.5px; color: #9fb8d4; margin-bottom: 3px; }
.visit-row-value { font-size: 15.5px; }
@media (max-width: 900px) { .visit-layout { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .visit-transit { grid-template-columns: 1fr; } }

/* ===== Quote form ===== */
.quote-form-wrap { max-width: 640px; margin-inline: auto; }
.type-group { display: flex; gap: 10px; margin-bottom: 22px; }
.type-option {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px;
  border: 1.5px solid var(--hairline); border-radius: 10px; cursor: pointer; font-size: 15px;
}
.type-option input { display: none; }
.type-option.checked { border-color: var(--blue); background: #EAF2FD; color: var(--blue); font-weight: 700; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13.5px; }
.field .req { color: var(--blue); margin-left: 3px; }
.field .opt { color: var(--muted); margin-left: 3px; font-weight: 400; }
input[type=text], input[type=tel], input[type=email], select, textarea {
  width: 100%; border: 1px solid var(--hairline); border-radius: 8px; padding: 12px 14px; font-size: 15px; font-family: inherit;
}
textarea { min-height: 100px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); }
.agree { display: flex; gap: 8px; align-items: flex-start; margin: 4px 0 24px; font-size: 13px; color: var(--muted); }
.submit-btn { width: 100%; min-height: 52px; background: var(--blue); color: #fff; border-radius: 8px; font-size: 16px; font-weight: 500; }
.submit-btn:hover { background: var(--blue-active); }
.form-note { text-align: center; font-size: 12.5px; color: var(--muted); margin-top: 12px; }
@media (max-width: 600px) { .form-row, .type-group { grid-template-columns: 1fr; flex-direction: column; } }

/* ===== Footer ===== */
footer { background: var(--navy); color: #fff; padding: 48px 24px 24px; }
.footer-grid { display: grid; grid-template-columns: 1.25fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-brand img { height: 34px; margin-bottom: 14px; }
.footer-brand-text { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: -.3px; margin-bottom: 14px; display: block; }
.footer-brand p { color: rgba(255,255,255,.65); font-size: 14px; line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.footer-col a, .footer-col span { display: block; margin-bottom: 10px; font-size: 14px; color: rgba(255,255,255,.75); }
.footer-col a:hover { text-decoration: underline; }
.legal-band { border-top: 1px solid rgba(255,255,255,.15); padding-top: 20px; font-size: 12.5px; color: rgba(255,255,255,.55); }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } .footer-brand { grid-column: 1/-1; } }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }