*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --g900: #1a3d2b; --g800: #1e4d36; --g700: #245c40;
  --g500: #2d7a55; --g400: #3d9970; --g300: #52b788;
  --g200: #a8d5b5; --g100: #d4edd9; --g50: #f0f9f2;
  --sand: #f7f4ef; --text: #111827; --sub: #4b5563;
  --line: #e5e7eb; --white: #ffffff;
}
html { scroll-behavior: smooth; }
body { font-family: 'Apple SD Gothic Neo', 'Pretendard', 'Malgun Gothic', sans-serif; color: var(--text); background: var(--white); overflow-x: hidden; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 6%; height: 68px;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-logo { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.nav-logo img { height: 40px; width: auto; display: block; }
.nav-logo-text { font-size: 1.1rem; font-weight: 900; color: var(--g900); letter-spacing: 1.5px; }
.nav-logo-text span { color: var(--g500); }
.nav-links { display: flex; align-items: center; gap: 2.2rem; list-style: none; }
.nav-links a { text-decoration: none; color: var(--sub); font-size: 0.9rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--g700); font-weight: 700; }
.nav-cta { padding: 0.55rem 1.4rem; background: var(--g700) !important; color: #fff !important; border-radius: 8px; font-size: 0.88rem; font-weight: 700 !important; }
.nav-cta:hover { background: var(--g900) !important; }
.nav-hamburger { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--g900); }
.nav-mobile { display: none; position: fixed; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); z-index: 199; flex-direction: column; padding: 1rem 6%; gap: 0; }
.nav-mobile.open { display: flex; }
.nav-mobile a { padding: 0.9rem 0; color: var(--text); text-decoration: none; font-size: 1rem; font-weight: 600; border-bottom: 1px solid var(--line); }
.nav-mobile a:last-child { border-bottom: none; color: var(--g700); }

/* ── PAGE HERO (서브페이지용) ── */
.page-hero {
  margin-top: 68px; padding: 5rem 8% 4rem;
  background: linear-gradient(135deg, var(--g900) 0%, var(--g700) 100%);
}
.page-hero .label { font-size: 0.74rem; font-weight: 800; color: var(--g200); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.8rem; }
.page-hero h1 { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 900; color: #fff; letter-spacing: -1px; line-height: 1.2; margin-bottom: 1rem; }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,0.7); line-height: 1.85; max-width: 560px; }
.breadcrumb { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.5rem; }
.breadcrumb a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.82rem; transition: color .2s; }
.breadcrumb a:hover { color: var(--g200); }
.breadcrumb span { color: rgba(255,255,255,0.3); font-size: 0.82rem; }
.breadcrumb .current { color: var(--g200); font-size: 0.82rem; font-weight: 600; }

/* ── SECTION ── */
.section { padding: 5rem 8%; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.label { font-size: 0.74rem; font-weight: 800; color: var(--g500); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.7rem; }
h2.title { font-size: clamp(1.7rem, 2.6vw, 2.4rem); font-weight: 900; color: var(--g900); letter-spacing: -1px; line-height: 1.22; margin-bottom: 1rem; }
p.lead { font-size: 1rem; color: var(--sub); line-height: 1.85; max-width: 580px; }

/* ── SPLIT LAYOUT ── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-top: 3rem; }
.split-rev { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-top: 3rem; }
.photo-wrap { border-radius: 18px; overflow: hidden; aspect-ratio: 4/3; background: var(--g100); }
.photo-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── FEATURE LIST ── */
.feature-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.feat { display: flex; gap: 1rem; align-items: flex-start; padding: 1.1rem 1.2rem; background: var(--g50); border-radius: 12px; border-left: 3px solid var(--g300); }
.feat-icon { font-size: 1.2rem; flex-shrink: 0; }
.feat h4 { font-size: 0.93rem; font-weight: 800; color: var(--g900); margin-bottom: 0.2rem; }
.feat p { font-size: 0.83rem; color: var(--sub); line-height: 1.6; }

/* ── CARDS ── */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.card { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; transition: all .25s; }
.card:hover { border-color: var(--g200); box-shadow: 0 8px 28px rgba(0,0,0,0.08); transform: translateY(-3px); }
.card-img { aspect-ratio: 4/3; overflow: hidden; background: var(--g100); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 1.4rem; }
.card-body h3 { font-size: 1rem; font-weight: 800; color: var(--g900); margin-bottom: 0.4rem; }
.card-body p { font-size: 0.85rem; color: var(--sub); line-height: 1.65; }
.card-tag { display: inline-block; margin-top: 0.8rem; background: var(--g100); color: var(--g700); font-size: 0.74rem; font-weight: 700; padding: 0.22rem 0.65rem; border-radius: 20px; }

/* ── FOOTER ── */
footer { background: var(--g900); padding: 3rem 8% 2rem; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; flex-wrap: wrap; padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.f-brand .f-logo { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.6rem; }
.f-brand .f-logo img { height: 28px; filter: brightness(0) invert(1); opacity: 0.85; }
.f-brand .f-logo span { font-size: 1.1rem; font-weight: 900; color: #fff; letter-spacing: 1px; }
.f-brand p { font-size: 0.8rem; color: rgba(255,255,255,0.4); line-height: 2; }
.f-links { display: flex; flex-direction: column; gap: 0.5rem; }
.f-links a { color: rgba(255,255,255,0.4); text-decoration: none; font-size: 0.85rem; transition: color .2s; }
.f-links a:hover { color: var(--g200); }
.footer-bottom { max-width: 1100px; margin: 1.5rem auto 0; font-size: 0.78rem; color: rgba(255,255,255,0.3); text-align: center; }

/* ── CONTACT FORM ── */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 4rem; margin-top: 3rem; align-items: start; }
.c-list { display: flex; flex-direction: column; gap: 1.4rem; }
.c-item { display: flex; gap: 1rem; align-items: flex-start; }
.c-icon { width: 42px; height: 42px; background: var(--g50); border-radius: 10px; border: 1px solid var(--g100); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.c-text h4 { font-size: 0.78rem; font-weight: 700; color: var(--g500); letter-spacing: 0.5px; margin-bottom: 0.2rem; }
.c-text p { font-size: 0.92rem; color: var(--text); line-height: 1.6; font-weight: 500; }
.form-box { background: var(--g50); border-radius: 20px; padding: 2.5rem; border: 1px solid var(--g100); }
.form-box h3 { font-size: 1.05rem; font-weight: 800; color: var(--g900); margin-bottom: 1.5rem; }
.fg { margin-bottom: 1rem; }
.fg label { display: block; font-size: 0.8rem; font-weight: 700; color: var(--sub); margin-bottom: 0.35rem; }
.fg input, .fg textarea, .fg select { width: 100%; padding: 0.72rem 1rem; border: 1.5px solid var(--line); border-radius: 9px; font-size: 0.9rem; font-family: inherit; color: var(--text); outline: none; transition: border .2s; background: var(--white); }
.fg input:focus, .fg textarea:focus, .fg select:focus { border-color: var(--g400); }
.fg textarea { height: 110px; resize: vertical; }
.fg-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.submit-btn { width: 100%; padding: 0.9rem; background: var(--g700); color: #fff; border: none; border-radius: 10px; font-size: 0.95rem; font-weight: 800; cursor: pointer; transition: background .2s; margin-top: 0.3rem; }
.submit-btn:hover { background: var(--g900); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .split, .split-rev, .contact-wrap { grid-template-columns: 1fr; gap: 2.5rem; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .section { padding: 4rem 5%; }
  .page-hero { padding: 4rem 5% 3rem; }
}
@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
  .fg-row { grid-template-columns: 1fr; }
}