@charset "utf-8";
:root {
  color-scheme: light;
  --ink: #162a2f;
  --ink-soft: #52666a;
  --muted: #819194;
  --teal: #187b72;
  --teal-deep: #155e59;
  --mint: #dff1ec;
  --paper: #f6f8f7;
  --line: #dce5e2;
  --white: #fff;
  --serif: "Iowan Old Style", "Noto Serif KR", "Batang", serif;
  font-family: Pretendard, "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--paper); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 12px 18px; border-radius: 999px; background: var(--ink); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(22,42,47,.08); background: rgba(246,248,247,.88); backdrop-filter: blur(16px); }
.header-inner { width: min(1280px, calc(100% - 64px)); height: 82px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-size: 16px; font-weight: 800; letter-spacing: .13em; }
.brand-mark, .core-logo { position: relative; display: inline-flex; width: 28px; height: 28px; align-items: center; justify-content: center; }
.brand-mark i, .core-logo i { position: absolute; display: block; width: 12px; height: 12px; border: 2px solid var(--teal); border-radius: 50%; background: var(--paper); }
.brand-mark i:nth-child(1), .core-logo i:nth-child(1) { transform: translate(-5px,-3px); }
.brand-mark i:nth-child(2), .core-logo i:nth-child(2) { transform: translate(5px,-3px); }
.brand-mark i:nth-child(3), .core-logo i:nth-child(3) { transform: translate(0,6px); background: #c8e8df; }
.primary-nav { display: flex; align-items: center; gap: 38px; color: #405459; font-size: 13px; font-weight: 600; }
.primary-nav a:not(.nav-cta):hover { color: var(--teal); }
.nav-cta { display: inline-flex; align-items: center; gap: 20px; padding: 13px 17px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); transition: background .2s ease, color .2s ease, border-color .2s ease; }
.nav-cta:hover { background: var(--ink); border-color: var(--ink); color: white; }
.nav-cta span { color: var(--teal); font-size: 17px; }
.menu-toggle { display: none; }
.hero { min-height: 660px; padding-block: 78px 84px; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 28px; }
.hero-copy { position: relative; z-index: 2; padding-block: 10px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; color: var(--teal); font-size: 10px; font-weight: 800; letter-spacing: .2em; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: #72b8a7; box-shadow: 0 0 0 4px rgba(114,184,167,.15); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin: 0; font-size: clamp(39px, 4.4vw, 62px); line-height: 1.22; letter-spacing: -.055em; font-weight: 700; }
.hero h1 span { color: var(--teal); font-family: var(--serif); font-weight: 500; letter-spacing: -.075em; }
.hero-description { max-width: 460px; margin: 25px 0 30px; color: var(--ink-soft); font-size: 15px; line-height: 1.95; word-break: keep-all; }
.button { display: inline-flex; align-items: center; gap: 25px; min-height: 52px; padding: 0 21px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.button-primary { background: var(--teal); color: white; box-shadow: 0 9px 20px rgba(24,123,114,.14); transition: transform .2s ease, background .2s ease; }
.button-primary:hover { transform: translateY(-2px); background: var(--teal-deep); }
.button-primary span { font-size: 17px; }
.hero-note { display: flex; align-items: center; gap: 12px; margin-top: 52px; color: #7a8a8d; font-size: 10px; letter-spacing: .025em; }
.note-line { width: 30px; height: 1px; background: #9caca9; }
.hero-art { position: relative; min-height: 490px; overflow: hidden; border: 1px solid #e3eae7; border-radius: 20px; background: linear-gradient(145deg, #eff5f2 0%, #e9f1ed 55%, #e3efeb 100%); box-shadow: 0 28px 80px rgba(33,77,70,.08); }
.hero-art::before { position: absolute; inset: 0; background-image: radial-gradient(rgba(61,114,104,.22) .7px, transparent .7px); background-size: 19px 19px; opacity: .32; content: ""; }
.art-glow { position: absolute; border-radius: 50%; filter: blur(1px); }
.art-glow-one { width: 280px; height: 280px; top: 48px; right: -60px; background: radial-gradient(circle, rgba(201,231,220,.7), transparent 70%); }
.art-glow-two { width: 260px; height: 260px; left: -70px; bottom: -70px; background: radial-gradient(circle, rgba(216,233,227,.9), transparent 68%); }
.art-topline, .art-footer { position: absolute; z-index: 2; left: 27px; right: 27px; display: flex; align-items: center; }
.art-topline { top: 25px; gap: 9px; color: #68807b; font-size: 9px; font-weight: 800; letter-spacing: .17em; }
.art-coordinate { margin-left: auto; color: #93a49e; font-size: 8px; letter-spacing: .08em; }
.art-pulse { width: 6px; height: 6px; border-radius: 50%; background: #4ea58f; box-shadow: 0 0 0 4px rgba(78,165,143,.14); }
.flow-canvas { position: absolute; inset: 58px 0 47px; }
.flow-lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.flow-lines path { stroke: #a9c9be; stroke-width: 1.4; stroke-dasharray: 4 6; }
.flow-lines circle { fill: #4f9e8b; stroke: #eff7f3; stroke-width: 3; }
.flow-node { position: absolute; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 6px; width: 157px; min-height: 93px; padding: 12px 9px 13px; border: 1px solid rgba(189,213,203,.8); border-radius: 12px; background: rgba(255,255,255,.84); box-shadow: 0 9px 24px rgba(42,85,75,.08); text-align: center; }
.flow-node > span:not(.node-icon) { color: #849792; font-size: 8px; letter-spacing: .08em; }
.flow-node strong { color: #365450; font-size: 12px; font-weight: 700; }
.source-node { top: 5%; left: 1%; }
.target-one { top: 5%; right: 1%; }
.target-two { bottom: 5%; left: 1%; }
.target-three { right: 1%; bottom: 5%; }
.node-icon { display: grid; width: 27px; height: 27px; place-items: center; color: var(--teal); }
.node-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.45; }
.flow-core { position: absolute; z-index: 3; top: 50%; left: 50%; display: flex; width: 146px; height: 146px; transform: translate(-50%,-50%); flex-direction: column; align-items: center; justify-content: center; border: 1px solid rgba(128,177,160,.65); border-radius: 50%; background: rgba(251,255,252,.96); box-shadow: 0 0 0 12px rgba(255,255,255,.25), 0 16px 42px rgba(42,85,75,.12); }
.core-halo { position: absolute; inset: -10px; border: 1px solid rgba(130,184,166,.35); border-radius: 50%; }
.core-logo { margin-bottom: 5px; transform: scale(1.35); }
.core-logo i { background: #f8fcf9; }
.flow-core strong { margin-top: 7px; color: #28534c; font-size: 10px; letter-spacing: .18em; }
.flow-core small { margin-top: 5px; color: #819590; font-size: 8px; }
.art-index { position: absolute; z-index: 1; color: rgba(75,125,111,.32); font-family: var(--serif); font-size: 23px; }
.index-left { top: 50%; left: 31%; transform: translateY(-50%); }
.index-right { top: 50%; right: 31%; transform: translateY(-50%); }
.art-footer { bottom: 22px; justify-content: space-between; color: #81948e; font-size: 8px; font-weight: 700; letter-spacing: .15em; }
.intro-band { position: relative; overflow: hidden; background: #172f34; color: white; }
.intro-inner { position: relative; min-height: 355px; padding-block: 63px 70px; }
.eyebrow-light { color: #9bd4c4; }
.eyebrow-light .eyebrow-dot { background: #a0d7c7; }
.intro-content { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; gap: 45px; }
.intro-content h2 { margin: 0; font-size: clamp(32px, 4vw, 46px); line-height: 1.42; letter-spacing: -.045em; font-weight: 600; }
.intro-side { max-width: 355px; padding-bottom: 6px; }
.intro-side p { margin: 0 0 27px; color: #c2d1cf; font-size: 14px; line-height: 1.95; word-break: keep-all; }
.intro-marker { display: flex; align-items: center; gap: 10px; color: #83b9ad; font-size: 8px; font-weight: 700; letter-spacing: .12em; }
.intro-marker span { display: block; width: 22px; height: 1px; background: #83b9ad; }
.intro-decoration { position: absolute; right: -16px; bottom: -100px; display: grid; width: 300px; height: 300px; place-items: center; border: 1px solid rgba(160,215,199,.12); border-radius: 50%; color: rgba(160,215,199,.11); font-family: var(--serif); font-size: 100px; }
.intro-decoration::before, .intro-decoration::after { position: absolute; inset: 20px; border: 1px solid rgba(160,215,199,.11); border-radius: 50%; content: ""; }
.intro-decoration::after { inset: 42px; }
.intro-decoration i { position: absolute; width: 9px; height: 9px; top: 21px; left: 83px; border-radius: 50%; background: #8bc9b8; box-shadow: 0 0 20px #8bc9b8; }
.services { padding-block: 106px 112px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 45px; }
.section-heading .eyebrow { margin-bottom: 19px; }
.section-heading h2 { margin: 0; font-size: clamp(31px, 3.5vw, 43px); line-height: 1.4; letter-spacing: -.05em; }
.section-heading h2 span { color: var(--teal); font-family: var(--serif); font-weight: 500; }
.heading-side { margin: 0 0 5px; color: #76878a; font-size: 12px; line-height: 1.8; text-align: right; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service-card { position: relative; display: flex; min-height: 358px; flex-direction: column; padding: 25px 25px 21px; overflow: hidden; border: 1px solid rgba(25,66,62,.06); border-radius: 15px; transition: transform .25s ease, box-shadow .25s ease; }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 18px 42px rgba(39,82,74,.10); }
.card-mint { background: #eaf4f0; }
.card-sand { background: #f3f0e8; }
.card-blue { background: #eaf0f3; }
.card-top { display: flex; align-items: center; justify-content: space-between; }
.service-number { color: #66837b; font-family: var(--serif); font-size: 13px; }
.card-arrow { display: grid; width: 29px; height: 29px; place-items: center; border: 1px solid rgba(67,102,95,.2); border-radius: 50%; color: #577770; font-size: 15px; }
.card-icon { display: grid; width: 64px; height: 64px; margin-block: 34px 20px; place-items: center; border: 1px solid rgba(61,114,104,.2); border-radius: 18px; background: rgba(255,255,255,.46); color: #367b6f; }
.card-icon svg { width: 42px; height: 42px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.35; }
.service-audience { margin: 0 0 8px; color: #7a8d88; font-size: 8px; font-weight: 800; letter-spacing: .16em; }
.service-card h3 { margin: 0 0 11px; color: #223c3e; font-size: 20px; letter-spacing: -.04em; }
.service-description { max-width: 255px; margin: 0; color: #647674; font-size: 12px; line-height: 1.85; word-break: keep-all; }
.card-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 20px; border-top: 1px solid rgba(58,89,83,.16); color: #81918d; font-size: 9px; }
.card-bottom strong { color: #44625b; font-size: 10px; font-weight: 700; }
.closing { position: relative; display: flex; min-height: 270px; align-items: center; justify-content: space-between; padding-block: 50px; border-top: 1px solid var(--line); }
.closing .eyebrow { margin-bottom: 14px; }
.closing h2 { margin: 0; font-size: clamp(27px, 3.2vw, 38px); line-height: 1.42; letter-spacing: -.05em; }
.closing h2 span { color: var(--teal); font-family: var(--serif); font-weight: 500; }
.closing-mark { position: absolute; left: 57%; display: flex; align-items: center; gap: 9px; opacity: .62; }
.closing-mark span { display: block; width: 31px; height: 31px; border: 1px solid #97bdb1; border-radius: 50%; }
.closing-mark span:nth-child(2) { transform: translateY(-19px); background: #dcefe7; }
.closing-mark span:nth-child(3) { transform: translateY(18px); }
.round-link { display: grid; width: 50px; height: 50px; place-items: center; border: 1px solid #c3d4cf; border-radius: 50%; color: var(--teal); transition: background .2s ease, color .2s ease; }
.round-link:hover { background: var(--teal); color: white; }
.round-link span { font-size: 21px; }
.site-footer { border-top: 1px solid var(--line); background: #f0f4f2; }
.footer-inner { display: flex; min-height: 91px; align-items: center; gap: 23px; }
.footer-brand { font-size: 12px; }
.footer-brand .brand-mark { transform: scale(.82); transform-origin: left center; }
.footer-inner p { margin: 0; color: #82918e; font-size: 10px; }
.copyright { margin-left: auto; color: #899794; font-size: 9px; letter-spacing: .05em; }
@media (max-width: 900px) {
  .section-shell { width: min(100% - 48px, 720px); }
  .header-inner { width: calc(100% - 48px); }
  .hero { min-height: 0; grid-template-columns: 1fr; gap: 52px; padding-block: 72px 70px; }
  .hero-copy { max-width: 680px; }
  .hero-art { width: 100%; min-height: 465px; }
  .intro-content { grid-template-columns: 1fr; gap: 22px; }
  .intro-side { max-width: 500px; }
  .intro-decoration { right: -80px; }
  .service-grid { gap: 11px; }
  .service-card { min-height: 375px; padding-inline: 17px; }
  .closing-mark { left: 62%; transform: scale(.8); }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 72px; }
  .section-shell { width: calc(100% - 40px); }
  .header-inner { width: calc(100% - 40px); height: 70px; }
  .brand { font-size: 14px; }
  .menu-toggle { display: flex; width: 42px; height: 42px; flex-direction: column; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; }
  .menu-toggle span { display: block; width: 15px; height: 1.5px; background: var(--ink); transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .primary-nav { position: absolute; top: 70px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 9px 20px 18px; border-bottom: 1px solid var(--line); background: rgba(246,248,247,.98); }
  .primary-nav.is-open { display: flex; }
  .primary-nav > a:not(.nav-cta) { padding: 15px 6px; border-bottom: 1px solid #e8eeeb; }
  .nav-cta { justify-content: space-between; margin-top: 13px; }
  .hero { gap: 35px; padding-block: 58px 50px; }
  .eyebrow { margin-bottom: 19px; font-size: 9px; }
  .hero h1 { font-size: clamp(36px, 10vw, 47px); line-height: 1.3; }
  .hero-description { margin-block: 19px 24px; font-size: 13px; line-height: 1.9; }
  .hero-note { margin-top: 30px; font-size: 9px; }
  .hero-art { min-height: 370px; border-radius: 15px; }
  .art-topline { top: 18px; left: 17px; right: 17px; font-size: 8px; }
  .art-coordinate { font-size: 7px; }
  .flow-canvas { inset: 52px 0 42px; }
  .flow-node { width: 116px; min-height: 81px; gap: 4px; padding: 8px 5px; }
  .flow-node strong { font-size: 10px; }
  .flow-node > span:not(.node-icon) { font-size: 7px; }
  .node-icon { width: 22px; height: 22px; }
  .node-icon svg { width: 20px; height: 20px; }
  .flow-core { width: 116px; height: 116px; }
  .core-logo { transform: scale(1.1); }
  .flow-core strong { font-size: 9px; }
  .flow-core small { font-size: 7px; }
  .index-left { left: 23%; font-size: 17px; }
  .index-right { right: 23%; font-size: 17px; }
  .art-footer { left: 17px; right: 17px; bottom: 16px; font-size: 7px; }
  .intro-inner { min-height: 0; padding-block: 49px 55px; }
  .intro-content { gap: 18px; }
  .intro-content h2 { font-size: 31px; }
  .intro-side p { font-size: 12px; }
  .intro-decoration { right: -170px; bottom: -140px; transform: scale(.82); }
  .services { padding-block: 73px 75px; }
  .section-heading { display: block; margin-bottom: 30px; }
  .section-heading h2 { font-size: 32px; }
  .heading-side { margin-top: 13px; font-size: 11px; text-align: left; }
  .service-grid { grid-template-columns: 1fr; gap: 12px; }
  .service-card { min-height: 325px; padding: 22px; }
  .card-icon { margin-block: 23px 16px; }
  .service-card h3 { font-size: 19px; }
  .closing { min-height: 230px; padding-block: 42px; }
  .closing-mark { display: none; }
  .closing h2 { font-size: 29px; }
  .round-link { width: 44px; height: 44px; }
  .footer-inner { min-height: 86px; flex-wrap: wrap; gap: 8px 16px; padding-block: 19px; }
  .footer-inner p { width: calc(100% - 130px); font-size: 9px; }
  .copyright { width: 100%; margin-left: 0; font-size: 8px; }
}
@media (max-width: 380px) {
  .hero-art { min-height: 360px; }
  .flow-node { width: 92px; min-height: 76px; }
  .flow-node strong { font-size: 9px; }
  .flow-core { width: 82px; height: 82px; }
  .core-logo { margin: 0; transform: scale(.88); }
  .flow-core strong { margin-top: 3px; font-size: 8px; letter-spacing: .12em; }
  .flow-core small { margin-top: 2px; font-size: 6px; }
  .index-left, .index-right { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}