:root {
  --navy: #092941;
  --cream: #fbf6ed;
  --ink: #080d2b;
  --muted: #394a6f;
  --font-heading: "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  --font-body: "Gowun Batang", serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--navy); background: #fbfdff; font-family: var(--font-body); line-height: 1.6; word-break: keep-all; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.page { width: min(1200px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 20; padding: 12px 18px; background: var(--navy); color: white; font-family: var(--font-heading); }
.skip-link:focus { top: 16px; }
.site-header { height: 76px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(9, 41, 65, .1); font-family: var(--font-heading); }
.brand { font-size: 21px; font-weight: 900; letter-spacing: -.04em; }
.back { padding: 10px 18px; border: 1px solid var(--navy); border-radius: 999px; font-size: 13px; font-weight: 800; transition: transform .2s ease, color .2s ease, background .2s ease; }
.back:hover { color: white; background: var(--navy); transform: translateY(-2px); }
.back:active { transform: translateY(0); }
.back:focus-visible, .gs-link:focus-visible, .gs-footer a:focus-visible { outline: 3px solid #145fe8; outline-offset: 4px; }
#gs-services { padding: 72px 0 90px; color: var(--ink); background: radial-gradient(ellipse at 4% 50%, rgba(215, 241, 255, .72), transparent 50%), radial-gradient(ellipse at 100% 62%, rgba(222, 247, 255, .74), transparent 48%), #fbfdff; isolation: isolate; }
.gs-heading { max-width: 980px; margin: 0 auto 36px; text-align: center; font-family: var(--font-heading); }
.gs-eyebrow { margin: 0 0 16px; color: #367bdd; font-size: 17px; font-weight: 500; letter-spacing: .5em; }
.gs-eyebrow::before { content: ""; display: block; width: 43px; height: 1px; margin: 0 auto 20px; background: #76a1ff; }
.gs-heading h1 { margin: 0 0 14px; color: var(--ink); font-size: clamp(38px, 5vw, 62px); font-weight: 900; letter-spacing: -.066em; line-height: 1.18; text-wrap: balance; }
.gs-heading h1 span { color: #0060e8; }
.gs-subtitle { margin: 0; color: #303f65; font-size: clamp(17px, 1.7vw, 22px); letter-spacing: -.035em; }
.gs-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }
.gs-card { --accent: #0069ff; --number: #4296ff; --tint: #f1f8ff; --pill: #e0efff; --edge: #daebff; position: relative; grid-column: span 4; min-height: 356px; overflow: hidden; display: flex; flex-direction: column; padding: 20px 26px 18px; border: 1px solid var(--edge); border-radius: 18px; background: linear-gradient(125deg, rgba(255,255,255,.86), var(--tint)); box-shadow: 0 8px 24px rgba(50, 118, 194, .06); font-family: var(--font-heading); transition: transform .24s ease, box-shadow .24s ease; }
.gs-card:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(50, 118, 194, .12); }
.gs-card:nth-child(-n+2), .gs-card:nth-child(n+6) { grid-column: span 6; min-height: 340px; }
.gs-sales { --number: #00a18b; --tint: #effcfd; --edge: #d8f2f7; --pill: #def7f5; --accent: #008d79; }
.gs-ads { --accent: #e52a2a; --number: #ff5868; --tint: #fff3f4; --pill: #ffe9e9; --edge: #fae8ed; }
.gs-content { --accent: #d92d1b; --number: #f08a00; --tint: #fff9f1; --pill: #fff0e7; --edge: #f7eee4; }
.gs-channel { --accent: #008b7b; --number: #00a68c; --tint: #effcf9; --pill: #ddf7f0; --edge: #dcf2f3; }
.gs-card-preview { cursor: zoom-in; }
.gs-card-preview:focus-visible { outline: 3px solid rgba(0, 139, 123, .66); outline-offset: 4px; }
.gs-card-preview .gs-preview-link { text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px; transition: text-decoration-color .2s ease; }
.gs-card-preview:hover .gs-preview-link { text-decoration-color: currentColor; }
.gs-homepage { --accent: #6e19d8; --number: #8c3fdf; --tint: #f6f3ff; --pill: #ede8ff; --edge: #e7e1ff; }
.gs-diagnosis { --accent: #126dcc; --number: #367bdd; --tint: #eff7ff; --pill: #e2efff; --edge: #dcecff; }
.gs-automation { --accent: #167555; --number: #24936e; --tint: #f0fbf4; --pill: #dff5e8; --edge: #daf0e3; }
.gs-index { position: relative; z-index: 2; min-height: 48px; display: flex; align-items: center; gap: 17px; margin-bottom: 10px; }
.gs-index span { color: var(--number); font-family: Georgia, serif; font-size: 50px; line-height: 1; letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.gs-index small { color: var(--number); font-size: 10px; letter-spacing: .32em; }
.gs-art { position: absolute; z-index: 1; top: 52px; right: 8px; width: 43%; height: 176px; object-fit: contain; }
.gs-card:nth-child(-n+2) .gs-art, .gs-card:nth-child(n+6) .gs-art { top: 42px; right: 12px; width: 42%; height: 205px; }
.gs-card h2 { position: relative; z-index: 2; max-width: 65%; margin: 0 0 13px; color: var(--ink); font-size: 22px; font-weight: 800; letter-spacing: -.06em; line-height: 1.28; text-wrap: balance; }
.gs-card:nth-child(-n+2) h2, .gs-card:nth-child(n+6) h2 { font-size: 27px; }
.gs-desc { position: relative; z-index: 2; max-width: 62%; margin: 0 0 12px; color: var(--muted); font-size: 15px; letter-spacing: -.035em; line-height: 1.48; }
.gs-card:nth-child(-n+2) .gs-desc, .gs-card:nth-child(n+6) .gs-desc { font-size: 17px; }
.gs-tags { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 6px; margin: auto 0 10px; padding: 0; list-style: none; }
.gs-tags li { margin: 0; padding: 5px 11px; border-radius: 999px; background: var(--pill); color: var(--accent); font-size: 12px; line-height: 1.45; white-space: nowrap; }
.gs-link { position: relative; z-index: 2; align-self: flex-start; color: var(--accent); font-size: 17px; font-weight: 750; letter-spacing: -.045em; }
.gs-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.gm-modal-open { overflow: hidden; }
.gm-info-modal[hidden] { display: none; }
.gm-info-modal { position: fixed; z-index: 2200; inset: 0; display: grid; place-items: center; padding: 16px; }
.gm-info-modal-backdrop { position: absolute; inset: 0; background: rgba(3, 18, 30, .8); backdrop-filter: blur(5px); }
.gm-info-modal-content { position: relative; z-index: 1; width: min(100%, calc((100dvh - 44px) * 1.5)); max-height: calc(100dvh - 32px); border-radius: 12px; box-shadow: 0 26px 80px rgba(0,0,0,.42); }
.gm-info-modal-content img { width: 100%; max-height: calc(100dvh - 32px); height: auto; border-radius: 12px; object-fit: contain; background: white; }
.gm-info-modal-close { position: absolute; z-index: 2; top: -14px; right: -14px; display: grid; place-items: center; width: 40px; height: 40px; padding: 0 0 3px; border: 2px solid white; border-radius: 50%; color: white; background: var(--navy); box-shadow: 0 6px 18px rgba(0,0,0,.28); font-size: 29px; line-height: 1; cursor: pointer; }
.gm-info-modal-close:focus-visible { outline: 3px solid #83d8ff; outline-offset: 3px; }
.help-real { margin-top: 104px; padding-top: 84px; border-top: 1px solid #cdddec; font-family: var(--font-heading); }
.help-real-heading { max-width: 790px; margin: 0 auto 58px; text-align: center; }
.help-real-eyebrow { margin: 0 0 16px; color: #1476e8; font-size: 13px; font-weight: 800; letter-spacing: .32em; }
.help-real-heading h2 { margin: 0; color: var(--ink); font-size: clamp(36px, 4.7vw, 58px); font-weight: 900; letter-spacing: -.065em; line-height: 1.16; text-wrap: balance; }
.help-real-heading h2 span { color: #0769da; }
.help-real-heading > p:last-child { max-width: 680px; margin: 18px auto 0; color: #425270; font-family: var(--font-body); font-size: 18px; line-height: 1.75; }
.help-feature { display: grid; grid-template-columns: minmax(280px, 5fr) minmax(0, 7fr); grid-template-areas: "media copy"; align-items: center; gap: clamp(44px, 6.5vw, 92px); padding: 72px clamp(28px, 4.5vw, 62px); border-radius: 30px; background: rgba(255,255,255,.82); box-shadow: 0 24px 70px rgba(16, 55, 86, .08); }
.help-feature + .help-feature { margin-top: 26px; }
.help-feature-content { grid-template-columns: minmax(0, 7fr) minmax(280px, 5fr); grid-template-areas: "copy media"; background: linear-gradient(135deg, #fffaf4, #fff 62%); }
.help-feature-os { background: linear-gradient(135deg, #eef9ff, #fff 64%); }
.help-video-wrap { grid-area: media; display: grid; place-items: center; }
.help-video-frame { position: relative; width: min(100%, 330px); aspect-ratio: 9 / 16; overflow: hidden; padding: 7px; border: 3px solid #102b41; border-radius: 22px; background: #071522; box-shadow: 0 22px 46px rgba(4, 31, 51, .2); }
.help-video-frame::after { content: ""; position: absolute; inset: 7px; z-index: 2; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; pointer-events: none; }
.help-video-frame video { width: 100%; height: 100%; display: block; border-radius: 14px; background: #06101a; object-fit: cover; object-position: center; }
.help-video-label { position: absolute; z-index: 3; left: 20px; bottom: 20px; display: inline-flex; align-items: center; gap: 7px; padding: 7px 11px; border-radius: 999px; color: white; background: rgba(5, 19, 31, .78); backdrop-filter: blur(8px); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.help-video-label i { width: 7px; height: 7px; border-radius: 50%; background: #ff4f3d; box-shadow: 0 0 0 4px rgba(255,79,61,.18); }
.help-copy { grid-area: copy; }
.help-step { margin: 0 0 13px; color: #1476e8; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.help-copy h3 { margin: 0; color: var(--ink); font-size: clamp(30px, 3.25vw, 44px); font-weight: 900; letter-spacing: -.06em; line-height: 1.2; }
.help-copy h3 span { color: #0871dd; }
.help-lead { margin: 20px 0 26px; color: #3c4e6c; font-family: var(--font-body); font-size: 17px; line-height: 1.8; }
.help-process { display: grid; gap: 0; margin: 0 0 24px; padding: 0; list-style: none; counter-reset: process; }
.help-process li { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 14px; padding: 15px 0; border-top: 1px solid #dbe5ec; }
.help-process li:last-child { border-bottom: 1px solid #dbe5ec; }
.help-process span { color: var(--navy); font-weight: 850; }
.help-process p { margin: 0; color: #53617a; font-family: var(--font-body); font-size: 15px; }
.help-note { margin: 0 0 22px; padding: 15px 17px; border-left: 3px solid #3d91ef; color: #425370; background: #f0f7fd; font-family: var(--font-body); font-size: 14px; line-height: 1.65; }
.help-options { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.help-options span { padding: 8px 12px; border: 1px solid #f2d8b9; border-radius: 999px; color: #76552d; background: #fff9ef; font-size: 12px; }
.help-options b { margin-right: 4px; color: #b05d00; }
.help-os-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 25px 0 22px; padding: 0; list-style: none; }
.help-os-grid li { display: flex; flex-direction: column; gap: 3px; min-height: 82px; padding: 15px 16px; border: 1px solid #d7e8f5; border-radius: 14px; background: #f6fbff; }
.help-os-grid b { color: #075da9; font-size: 15px; }
.help-os-grid span { color: #54647a; font-family: var(--font-body); font-size: 13px; }
.help-link { display: inline-flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 20px; border-radius: 999px; color: white; background: var(--navy); font-size: 14px; font-weight: 800; box-shadow: 0 8px 20px rgba(9,41,65,.15); transition: transform .2s ease, background .2s ease; }
.help-link:hover { background: #0d507b; transform: translateY(-2px); }
.help-link:focus-visible { outline: 3px solid #145fe8; outline-offset: 4px; }
.gs-footer { display: flex; align-items: center; justify-content: center; gap: 14px; margin: 34px auto 0; font-family: var(--font-heading); }
.gs-footer p { margin: 0; color: #3a4b6e; font-size: 14px; white-space: nowrap; }
.gs-footer a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 999px; background: linear-gradient(110deg, #218cff, #0055cb); color: white; font-size: 15px; font-weight: 700; box-shadow: 0 7px 18px rgba(45, 134, 255, .16); transition: transform .2s ease; }
.gs-footer a:hover { transform: translateY(-2px); }
.gs-divider { flex: 1; height: 1px; background: #9dbdff; }
@media (max-width: 1000px) {
  .gs-card { padding-inline: 20px; }
  .gs-card h2, .gs-card:nth-child(-n+2) h2, .gs-card:nth-child(n+6) h2 { font-size: 21px; }
  .gs-desc, .gs-card:nth-child(-n+2) .gs-desc, .gs-card:nth-child(n+6) .gs-desc { font-size: 14px; }
  .gs-tags li { padding-inline: 9px; font-size: 11px; }
}
@media (max-width: 900px) {
  #gs-services { padding-top: 56px; }
  .gs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gs-card, .gs-card:nth-child(-n+2), .gs-card:nth-child(n+6) { grid-column: span 1; min-height: 350px; }
  .gs-card .gs-art, .gs-card:nth-child(-n+2) .gs-art, .gs-card:nth-child(n+6) .gs-art { top: 124px; right: 8px; width: 40%; height: 150px; }
  .gs-card h2, .gs-card:nth-child(-n+2) h2, .gs-card:nth-child(n+6) h2 { max-width: 100%; font-size: 23px; }
  .gs-desc, .gs-card:nth-child(-n+2) .gs-desc, .gs-card:nth-child(n+6) .gs-desc { max-width: 62%; font-size: 15px; }
  .help-real { margin-top: 80px; padding-top: 68px; }
  .help-feature, .help-feature-content { grid-template-columns: minmax(230px, .8fr) 1.2fr; grid-template-areas: "media copy"; gap: 36px; padding: 44px 34px; }
  .help-video-frame { width: min(100%, 280px); }
  .help-copy h3 { font-size: 32px; }
  .help-lead { font-size: 16px; }
}
@media (max-width: 620px) {
  .page { width: calc(100% - 32px); }
  .site-header { height: 68px; }
  .back { padding: 8px 13px; font-size: 12px; }
  #gs-services { padding: 46px 0 64px; }
  .gs-heading { margin-bottom: 28px; text-align: left; }
  .gs-eyebrow { font-size: 13px; letter-spacing: .35em; }
  .gs-eyebrow::before { margin-left: 0; }
  .gs-heading h1 { font-size: 36px; line-height: 1.2; }
  .gs-heading h1 span { display: block; }
  .gs-subtitle { font-size: 16px; }
  .gs-grid { grid-template-columns: 1fr; gap: 13px; }
  .gs-card, .gs-card:nth-child(-n+2), .gs-card:nth-child(n+6) { min-height: 338px; padding: 20px; }
  .gs-card .gs-art, .gs-card:nth-child(-n+2) .gs-art, .gs-card:nth-child(n+6) .gs-art { top: 128px; width: 42%; height: 144px; }
  .gs-card h2, .gs-card:nth-child(-n+2) h2, .gs-card:nth-child(n+6) h2 { font-size: 22px; }
  .gs-tags li { font-size: 11px; }
  .gs-link { font-size: 16px; }
  .gm-info-modal { padding: 16px; }
  .gm-info-modal-content { width: 100%; }
  .gm-info-modal-close { top: -11px; right: -4px; width: 38px; height: 38px; }
  .help-real { margin-top: 68px; padding-top: 54px; }
  .help-real-heading { margin-bottom: 34px; text-align: left; }
  .help-real-heading h2 { font-size: 36px; }
  .help-real-heading > p:last-child { font-size: 16px; }
  .help-feature, .help-feature-content { grid-template-columns: 1fr; grid-template-areas: "media" "copy"; gap: 34px; padding: 28px 20px 34px; border-radius: 22px; }
  .help-feature + .help-feature { margin-top: 18px; }
  .help-video-frame { width: min(100%, 292px); }
  .help-copy h3 { font-size: 30px; }
  .help-lead { margin: 16px 0 22px; font-size: 16px; }
  .help-process li { grid-template-columns: 62px minmax(0, 1fr); gap: 10px; }
  .help-os-grid { grid-template-columns: 1fr; }
  .help-link { width: 100%; justify-content: center; }
  .gs-footer { flex-wrap: wrap; gap: 12px; }
  .gs-divider { display: none; }
  .gs-footer p { width: 100%; text-align: center; white-space: normal; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; } }