/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  color: #14251b;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1,h2,h3,h4 { margin: 0; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0; }
ul,ol { margin: 0; padding: 0; list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

:root {
  --leaf: #57a82e;
  --leaf-2: #6fbb3e;
  --leaf-deep: #3f8a1f;
  --ink: #14251b;
  --ink-2: #0f3324;
  --ink-soft: #4a5567;
  --deep: #0f3324;
  --line: rgba(20,60,40,0.16);
}

/* ===== Logo mark ===== */
.brand-mark, .f-mark {
  display: inline-block;
  -webkit-mask: url('/assets/logo.png') center/contain no-repeat;
  mask: url('/assets/logo.png') center/contain no-repeat;
}
.brand-mark { width: 34px; height: 34px; background: #fff; transition: background .25s; }
.site-header.scrolled .brand-mark { background: var(--leaf); }
.f-mark { width: 30px; height: 30px; background: var(--leaf-2); }

/* ===== Header (transparent over hero) ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  background: transparent;
  z-index: 100;
  transition: background .25s, box-shadow .25s, border-color .25s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(20,60,40,0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-name { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; color: #fff; transition: color .25s; }
.site-header.scrolled .brand-name { color: var(--ink); }
.nav { display: flex; align-items: center; gap: 34px; }
.nav a { font-size: 15px; font-weight: 500; color: rgba(255,255,255,0.92); transition: color .2s; }
.site-header.scrolled .nav a { color: #2d3748; }
.nav a:hover { color: #fff; }
.site-header.scrolled .nav a:hover { color: var(--leaf-deep); }
.nav .nav-cta {
  padding: 10px 20px; background: var(--leaf); color: #fff !important;
  border-radius: 999px; font-weight: 600;
}
.nav .nav-cta:hover { background: var(--leaf-deep); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; transition: background .25s; }
.site-header.scrolled .nav-toggle span { background: var(--ink); }

/* ===== Typography / Editorial Section Head ===== */
.eyebrow {
  font-size: 13px; font-weight: 800; letter-spacing: 0.16em;
  color: var(--leaf); margin-bottom: 18px; text-transform: uppercase;
}
.section-head { text-align: left; margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(28px, 3.2vw, 42px); line-height: 1.3; color: var(--ink);
  border-left: 4px solid var(--leaf); padding-left: 24px;
}
.section-head .eyebrow { padding-left: 24px; }
.section-head::after { content: ''; display: block; height: 1px; background: var(--ink); opacity: 0.85; margin: 34px 0 26px; }
.section-head .lead { font-size: 17px; color: var(--ink-soft); max-width: 640px; margin: 0; padding-left: 24px; }
.section-head.light h2 { color: var(--ink); }
.section-head.light .eyebrow { color: var(--leaf); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 760px;
  display: flex; align-items: center;
  color: #fff;
  background: url('/assets/hero.jpg') center/cover no-repeat;
  overflow: hidden;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(12,42,30,0.62) 0%, rgba(16,58,42,0.30) 42%, rgba(20,80,50,0.12) 100%);
}
.hero-inner { position: relative; z-index: 1; padding: 100px 0 60px; }
.hero-eyebrow {
  font-size: 14px; letter-spacing: 0.2em; font-weight: 700;
  color: var(--leaf-2); margin-bottom: 24px; text-shadow: 0 1px 8px rgba(0,0,0,0.3);
}
.hero-title {
  font-size: clamp(40px, 6vw, 76px); line-height: 1.1; font-weight: 800;
  letter-spacing: -0.03em; margin-bottom: 28px; text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.hero-desc {
  font-size: clamp(16px, 1.6vw, 19px); color: rgba(255,255,255,0.92);
  margin-bottom: 40px; max-width: 580px; text-shadow: 0 2px 16px rgba(0,0,0,0.3);
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 32px; font-size: 16px; font-weight: 600; border-radius: 10px;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn-primary { background: var(--leaf); color: #fff; box-shadow: 0 10px 30px rgba(87,168,46,0.35); }
.btn-primary:hover { background: var(--leaf-deep); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,0.08); color: #fff; border: 1.5px solid rgba(255,255,255,0.45); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.8); }
.btn-block { width: 100%; padding: 18px; }

/* ===== Values ===== */
.values { padding: 110px 0; background: #F5F8F3; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card { background: #fff; padding: 44px 32px; border-radius: 16px; border: 1px solid rgba(20,60,40,0.08); transition: transform .3s, box-shadow .3s; }
.value-card:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(20,60,40,0.10); }
.value-num { font-size: 14px; font-weight: 800; color: var(--leaf); letter-spacing: 0.1em; margin-bottom: 20px; }
.value-card h3 { font-size: 22px; color: var(--ink); margin-bottom: 16px; line-height: 1.4; }
.value-card p { color: var(--ink-soft); font-size: 15px; line-height: 1.7; }

/* ===== Service (photo cards) ===== */
.service { padding: 130px 0; }
.service-features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 8px; }
.feature { position: relative; min-height: 260px; border-radius: 16px; overflow: hidden; padding: 26px 24px; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; isolation: isolate; transition: transform .3s, box-shadow .3s; }
.feature:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(20,60,40,0.2); }
.feature::before { content: ''; position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; transition: transform .4s; }
.feature::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(12,42,30,0.15) 0%, rgba(12,42,30,0.35) 45%, rgba(10,36,26,0.86) 100%); }
.feature:hover::before { transform: scale(1.05); }
.feature:nth-child(1)::before { background-image: url('/assets/svc1.jpg'); }
.feature:nth-child(2)::before { background-image: url('/assets/svc2.jpg'); }
.feature:nth-child(3)::before { background-image: url('/assets/svc3.jpg'); }
.feature:nth-child(4)::before { background-image: url('/assets/svc4.jpg'); }
.feature svg { display: none; }
.feature h4 { font-size: 19px; color: #fff; margin-bottom: 8px; }
.feature p { font-size: 14px; color: rgba(255,255,255,0.88); line-height: 1.6; }

/* ===== Revenue ===== */
.revenue { padding: 130px 0; background: linear-gradient(180deg, #F5F8F3 0%, #fff 100%); }
.revenue-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0 0 72px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.flow-step { padding: 40px 24px; text-align: center; border-right: 1px solid var(--line); }
.flow-step:last-of-type { border-right: none; }
.flow-num { font-size: 12px; font-weight: 800; color: var(--ink-soft); letter-spacing: 0.15em; margin-bottom: 14px; }
.flow-step h4 { font-size: 22px; margin-bottom: 12px; color: var(--ink); }
.flow-step.primary h4, .flow-step.highlight h4 { color: var(--leaf); }
.flow-step.primary .flow-num, .flow-step.highlight .flow-num { color: var(--leaf); }
.flow-step p { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }

.revenue-example { display: block; }
.example-card {
  position: relative; width: 100%; padding: 56px 48px; border-radius: 22px; overflow: hidden;
  color: #fff; text-align: left; display: grid; grid-template-columns: 1.3fr 0.85fr;
  grid-template-rows: auto auto 1fr; column-gap: 40px; align-items: start; isolation: isolate;
}
.example-card::before { content: ''; position: absolute; inset: 0; z-index: -2; background: url('/assets/revenue.jpg') center/cover no-repeat; }
.example-card::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(115deg, rgba(10,40,26,0.92) 0%, rgba(14,58,40,0.78) 50%, rgba(18,70,46,0.55) 100%); }
.example-label { grid-column: 1; grid-row: 1; font-size: 15px; color: rgba(255,255,255,0.82); letter-spacing: 0.03em; margin-bottom: 14px; }
.example-num { grid-column: 1; grid-row: 2; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; margin-bottom: 20px; }
.example-num strong { font-size: clamp(38px, 5vw, 60px); font-weight: 800; color: #fff; letter-spacing: -0.03em; line-height: 1.05; }
.example-num span { font-size: 15px; color: rgba(255,255,255,0.78); }
.example-note { grid-column: 1; grid-row: 3; align-self: end; font-size: 12px; color: rgba(255,255,255,0.7); margin-top: 22px; }
.example-sub { grid-column: 2; grid-row: 1 / span 3; align-self: center; display: flex; flex-direction: column; gap: 12px; }
.example-sub div { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 18px 22px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); border-radius: 14px; backdrop-filter: blur(8px); }
.example-sub span { font-size: 13px; color: rgba(255,255,255,0.8); }
.example-sub strong { font-size: 22px; color: #fff; font-weight: 800; }

/* ===== Target ===== */
.target { padding: 130px 0; }
.target-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: start; }
.target-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 24px; margin: 0; }
.target-card { transition: transform .3s; }
.target-card:hover { transform: translateY(-4px); }
.target-img { height: 190px; border-radius: 14px; background-size: cover; background-position: center; position: relative; overflow: hidden; box-shadow: 0 12px 28px rgba(20,60,40,0.12); }
.target-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(11,42,30,0.28) 100%); }
.target-img-1 { background-image: url('/assets/t1.jpg'); }
.target-img-2 { background-image: url('/assets/t2.jpg'); }
.target-img-3 { background-image: url('/assets/t3.jpg'); }
.target-img-4 { background-image: url('/assets/t4.jpg'); }
.target-card h4 { padding: 16px 2px 6px; font-size: 19px; color: var(--leaf-deep); }
.target-card p { padding: 0 2px; font-size: 14px; color: var(--ink-soft); line-height: 1.6; }
.target-specs { display: flex; flex-direction: column; }
.spec { padding: 24px 4px; text-align: left; display: flex; flex-direction: column; gap: 6px; border-bottom: 1px solid var(--line); }
.spec:first-child { padding-top: 0; }
.spec:last-child { border-bottom: none; }
.spec-label { font-size: 13px; color: var(--ink-soft); }
.spec strong { font-size: 20px; color: var(--ink); font-weight: 700; }

/* ===== Process ===== */
.process { padding: 130px 0; background: #F5F8F3; }
.process-list { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.process-list li { display: flex; gap: 32px; align-items: center; padding: 28px 36px; background: #fff; border-radius: 14px; border: 1px solid rgba(20,60,40,0.08); border-left: 4px solid var(--leaf); transition: transform .2s, box-shadow .2s; }
.process-list li:hover { transform: translateX(4px); box-shadow: 0 14px 30px rgba(20,60,40,0.08); }
.process-num { font-size: 34px; font-weight: 800; color: var(--leaf); letter-spacing: -0.03em; min-width: 52px; line-height: 1; }
.process-body { flex: 1; }
.process-body h4 { font-size: 20px; color: var(--ink); margin-bottom: 8px; }
.process-body p { color: var(--ink-soft); font-size: 15px; margin-bottom: 12px; }
.process-time { display: inline-block; padding: 4px 12px; background: rgba(87,168,46,0.12); color: var(--leaf-deep); font-size: 12px; font-weight: 700; border-radius: 999px; }

/* ===== Record ===== */
.record { padding: 130px 0; background: #fff; color: var(--ink); }
.record-band { position: relative; border-radius: 22px; overflow: hidden; padding: 64px 48px; color: #fff; isolation: isolate; }
.record-band::before { content: ''; position: absolute; inset: 0; z-index: -2; background: url('/assets/record.jpg') center/cover no-repeat; }
.record-band::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(12,42,30,0.72) 0%, rgba(14,54,38,0.82) 100%); }
.record-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 48px; }
.record-card { padding: 36px 26px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22); border-radius: 16px; text-align: center; backdrop-filter: blur(8px); }
.record-card strong { display: block; font-size: clamp(30px, 4vw, 44px); font-weight: 800; color: #fff; letter-spacing: -0.03em; margin-bottom: 8px; }
.record-card span { font-size: 14px; color: rgba(255,255,255,0.82); }
.record-logos { padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.2); text-align: center; }
.record-logos p { font-size: 13px; letter-spacing: 0.15em; color: rgba(255,255,255,0.7); margin-bottom: 24px; }
.logo-row { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.logo-row span { font-size: 18px; font-weight: 600; color: rgba(255,255,255,0.62); letter-spacing: -0.01em; }

/* ===== Media ===== */
.media { padding: 130px 0; }
.media-scroll { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.media-card { position: relative; min-height: 360px; border-radius: 16px; overflow: hidden; display: flex; align-items: flex-end; color: #fff; isolation: isolate; transition: transform .3s, box-shadow .3s; }
.media-card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px rgba(20,60,40,0.2); }
.media-card::before { content: ''; position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; transition: transform .4s; }
.media-card:hover::before { transform: scale(1.05); }
.media-card::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(12,42,30,0.12) 0%, rgba(12,42,30,0.5) 42%, rgba(9,32,22,0.92) 100%); }
.media-card-1::before { background-image: url('/assets/media1.jpg'); }
.media-card-2::before { background-image: url('/assets/media2.jpg'); }
.media-card-3::before { background-image: url('/assets/media3.jpg'); }
.media-body { padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; }
.media-src { align-self: flex-start; padding: 4px 12px; background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.28); border-radius: 999px; font-size: 12px; font-weight: 700; color: #fff; backdrop-filter: blur(6px); }
.media-card h4 { font-size: 18px; line-height: 1.4; color: #fff; }
.media-card p { font-size: 13px; line-height: 1.6; color: rgba(255,255,255,0.82); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.media-card em { font-style: normal; font-size: 12px; color: rgba(255,255,255,0.66); margin-top: 2px; }

/* ===== FAQ ===== */
.faq { padding: 130px 0; }
.faq-list { max-width: 900px; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 26px 0; }
.faq-list summary { font-size: 18px; font-weight: 700; color: var(--leaf-deep); cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; font-size: 26px; font-weight: 300; color: var(--leaf); transition: transform .2s; flex-shrink: 0; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { margin-top: 16px; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }

/* ===== Contact ===== */
.contact { padding: 130px 0; position: relative; color: #fff; isolation: isolate; }
.contact::before { content: ''; position: absolute; inset: 0; z-index: -2; background: url('/assets/contact.jpg') center/cover no-repeat; }
.contact::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(135deg, rgba(12,42,30,0.86) 0%, rgba(16,58,42,0.8) 100%); }
.contact-inner { display: grid; grid-template-columns: 0.9fr 1.4fr; gap: 32px; align-items: stretch; min-width: 0; }
.contact-inner > * { min-width: 0; }
.contact-copy { padding: 36px 34px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); border-radius: 18px; backdrop-filter: blur(8px); }
.contact-info { display: flex; flex-direction: column; }
.contact-info > div { display: flex; flex-direction: column; gap: 6px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,0.18); }
.contact-info > div:last-child { border-bottom: none; }
.contact-info span { font-size: 13px; color: rgba(255,255,255,0.68); letter-spacing: 0.05em; }
.contact-info a, .contact-info strong { font-size: 19px; font-weight: 700; color: #fff; }
.contact-info a:hover { color: var(--leaf-2); }
.contact-form { background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.22); color: #fff; padding: 36px; border-radius: 18px; display: flex; flex-direction: column; gap: 18px; min-width: 0; max-width: 100%; overflow: hidden; box-sizing: border-box; backdrop-filter: blur(10px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; min-width: 0; }
.form-row > label { min-width: 0; }
.contact-form label { display: flex; flex-direction: column; gap: 8px; font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.9); }
.contact-form label span i { color: var(--leaf-2); font-style: normal; }
.contact-form input, .contact-form select, .contact-form textarea { font-family: inherit; font-size: 15px; padding: 12px 14px; border: 1.5px solid rgba(255,255,255,0.28); border-radius: 10px; background: rgba(255,255,255,0.1); color: #fff; transition: border-color .15s, background .15s; width: 100%; min-width: 0; max-width: 100%; box-sizing: border-box; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,0.55); }
.contact-form select option { color: #14251b; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--leaf-2); background: rgba(255,255,255,0.16); }
.contact-form textarea { resize: vertical; min-height: 96px; }
.contact-form .btn-primary { background: var(--leaf); border: none; }
.contact-form .btn-primary:hover { background: var(--leaf-deep); }
.agree { flex-direction: row !important; align-items: center; gap: 10px !important; font-weight: 400 !important; font-size: 13px !important; color: rgba(255,255,255,0.85) !important; }
.agree input { width: 16px; height: 16px; accent-color: var(--leaf); }

/* ===== Footer ===== */
.site-footer { background: var(--deep); color: rgba(255,255,255,0.7); padding: 56px 0 40px; }
.footer-inner { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 40px; align-items: start; }
.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.f-brand-row { display: flex; align-items: center; gap: 10px; }
.footer-brand strong { font-size: 22px; color: #fff; font-weight: 800; letter-spacing: -0.02em; }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-info p { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.62); }
.footer-info .copy { margin-top: 16px; font-size: 12px; color: rgba(255,255,255,0.35); }
.footer-links { display: flex; gap: 20px; justify-content: flex-end; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.62); }
.footer-links a:hover { color: var(--leaf-2); }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .nav { display: none; position: absolute; top: 78px; left: 0; right: 0; flex-direction: column; background: #fff; padding: 24px; border-bottom: 1px solid rgba(20,60,40,0.08); gap: 20px; }
  .nav.open { display: flex; }
  .nav.open a { color: #2d3748; }
  .nav-toggle { display: flex; }
  .hero { min-height: 600px; }
  .hero-inner { padding: 120px 0 60px; }
  .values-grid, .service-features { grid-template-columns: repeat(2, 1fr); }
  .revenue-flow { grid-template-columns: repeat(2, 1fr); }
  .flow-step:nth-child(2) { border-right: none; }
  .flow-step { border-bottom: 1px solid var(--line); }
  .example-card { grid-template-columns: 1fr; grid-template-rows: none; gap: 28px; }
  .example-num, .example-label, .example-note, .example-sub { grid-column: 1; grid-row: auto; }
  .target-layout { grid-template-columns: 1fr; gap: 40px; }
  .target-specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 32px; }
  .record-grid, .media-scroll { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-inner { grid-template-columns: 1fr; text-align: left; }
  .footer-links { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .values-grid, .service-features, .target-grid, .record-grid, .media-scroll { grid-template-columns: 1fr; }
  .revenue-flow { grid-template-columns: 1fr; }
  .flow-step { border-right: none; }
  .target-specs { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .process-list li { padding: 24px; gap: 20px; flex-direction: column; align-items: flex-start; }
  .example-card { padding: 36px 26px; }
  .contact-form, .contact-copy { padding: 28px 22px; }
  .container { padding: 0 20px; }
}