:root {
  --ink: #09111f;
  --ink-soft: #142135;
  --paper: #f5f2eb;
  --paper-soft: #ebe8df;
  --lime: #d7f36b;
  --coral: #ff8a67;
  --muted: #657080;
  --line: rgba(9, 17, 31, .14);
  --white-line: rgba(245, 242, 235, .18);
  --radius-lg: 28px;
  --radius-md: 16px;
  --shadow: 0 20px 60px rgba(9, 17, 31, .12);
  --sans: "Pretendard", "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Space Grotesk", "Pretendard", "Noto Sans KR", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 20; padding: 10px 14px; background: var(--lime); color: var(--ink); transform: translateY(-150%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }
.container { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }

.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 10; color: var(--paper); transition: background .25s ease, color .25s ease, box-shadow .25s ease; }
.site-header.scrolled { background: rgba(9, 17, 31, .92); backdrop-filter: blur(18px); box-shadow: 0 1px 0 rgba(245, 242, 235, .1); }
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { position: relative; display: inline-block; width: 34px; height: 34px; border-radius: 10px; background: var(--lime); overflow: hidden; }
.brand-mark::before, .brand-mark::after, .brand-mark span { content: ""; position: absolute; height: 3px; border-radius: 99px; background: var(--ink); transform-origin: left center; }
.brand-mark::before { width: 22px; left: 7px; top: 10px; transform: rotate(26deg); }
.brand-mark::after { width: 17px; left: 7px; top: 22px; transform: rotate(-26deg); }
.brand-mark span { width: 5px; height: 5px; right: 6px; top: 14px; background: var(--coral); border-radius: 50%; }
.brand-mark i { display: none; }
.brand-copy { display: grid; gap: 1px; line-height: 1; }
.brand-copy strong { font-family: var(--display); font-size: 14px; letter-spacing: .12em; }
.brand-copy small { font-size: 10px; letter-spacing: .04em; opacity: .66; }
.desktop-nav { display: flex; gap: 25px; margin-left: auto; font-size: 13px; color: rgba(245, 242, 235, .72); }
.desktop-nav a, .footer-bottom a { transition: color .2s ease; }
.desktop-nav a:hover, .footer-bottom a:hover { color: var(--lime); }
.button { min-height: 48px; padding: 13px 20px; display: inline-flex; justify-content: center; align-items: center; gap: 13px; border: 1px solid transparent; border-radius: 999px; font-size: 13px; font-weight: 700; letter-spacing: -.01em; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button span { font-size: 19px; line-height: .8; }
.button-small { min-height: 40px; padding: 9px 15px; font-size: 12px; }
.button-lime { background: var(--lime); color: var(--ink); }
.button-lime:hover { background: #e4ff86; }
.button-dark { background: var(--ink); color: var(--paper); }
.button-dark:hover { background: var(--ink-soft); }
.menu-toggle, .mobile-menu { display: none; }

.hero { position: relative; min-height: 790px; display: flex; align-items: center; overflow: hidden; color: var(--paper); background: var(--ink); }
.hero-image { position: absolute; inset: 0; background-image: url('/manus-storage/async-images/2w1jEsVtbCoQc9mWUF0WZ1/image-2.webp'); background-size: cover; background-position: center; opacity: .38; }
.hero-overlay { position: absolute; inset: 0; background: rgba(9, 17, 31, .72); }
.hero-content { position: relative; z-index: 1; padding-top: 92px; }
.eyebrow { margin: 0 0 20px; font-family: var(--display); font-size: 11px; font-weight: 700; letter-spacing: .14em; color: var(--coral); }
.eyebrow.light { color: var(--lime); }
.pulse-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 0 5px rgba(215, 243, 107, .14); }
.hero h1 { max-width: 600px; margin: 0; font-size: clamp(46px, 5.5vw, 72px); font-weight: 700; letter-spacing: -.075em; line-height: 1.08; }
h1 em, h2 span { color: var(--lime); font-style: normal; }
.hero-lead { max-width: 500px; margin: 31px 0 33px; color: rgba(245, 242, 235, .78); font-size: 17px; line-height: 1.72; letter-spacing: -.035em; }
.hero-lead strong, .hero-lead span { display: block; }
.hero-lead strong { margin-bottom: 5px; color: var(--paper); font-size: 22px; font-weight: 700; letter-spacing: -.045em; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; }
.text-link span { font-size: 18px; }
.light-link { color: var(--paper); }
.light-link:hover { color: var(--lime); }
.hero-meta { display: flex; align-items: center; gap: 13px; margin-top: 105px; color: rgba(245, 242, 235, .56); font-family: var(--display); font-size: 10px; letter-spacing: .12em; }
.meta-line { display: inline-block; width: 55px; height: 1px; background: var(--lime); }
.hero-side-note { position: absolute; z-index: 1; right: 54px; bottom: 64px; color: rgba(245, 242, 235, .48); font-family: var(--display); font-size: 10px; line-height: 1.5; letter-spacing: .14em; text-align: right; }
.hero-side-note span { color: var(--lime); }

.section-light { background: var(--paper); }
.section-ink { color: var(--paper); background: var(--ink); }
.section-lime { color: var(--ink); background: var(--lime); }
.intro, .process, .faq { padding: 126px 0; }
.promise, .areas { padding: 124px 0; }
.section-heading { margin-bottom: 58px; }
.split-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 60px; }
h2 { margin: 0; font-size: clamp(40px, 5vw, 68px); line-height: 1.04; letter-spacing: -.075em; }
.section-summary { max-width: 390px; margin: 0 0 5px auto; color: var(--muted); font-size: 15px; line-height: 1.85; letter-spacing: -.03em; }
.light-text { color: rgba(245, 242, 235, .6); }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.service-card { min-height: 420px; padding: 30px 31px 30px; border-radius: var(--radius-lg); display: flex; flex-direction: column; justify-content: space-between; }
.service-card-dark { color: var(--paper); background: var(--ink); }
.service-card-lime { color: var(--ink); background: var(--lime); }
.card-top { display: flex; justify-content: space-between; align-items: center; }
.card-index, .promise-number, .process-num, .area-group-title > span { font-family: var(--display); font-size: 11px; letter-spacing: .12em; }
.card-icon { width: 43px; height: 43px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: 22px; }
.card-kicker { margin: 0 0 14px; font-family: var(--display); font-size: 10px; font-weight: 700; letter-spacing: .15em; opacity: .68; }
.service-card h3 { margin: 0 0 16px; font-size: 34px; letter-spacing: -.06em; }
.service-card p:not(.card-kicker) { max-width: 390px; margin: 0; font-size: 15px; line-height: 1.85; opacity: .7; letter-spacing: -.03em; }
.card-link { display: inline-flex; align-items: center; gap: 12px; width: fit-content; padding-bottom: 7px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 700; }
.card-link span { font-size: 17px; }
.dark-link { color: var(--ink); }
.promise-head { display: flex; align-items: end; justify-content: space-between; margin-bottom: 70px; }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--white-line); }
.promise-item { min-height: 220px; padding: 29px 20px 0 0; display: grid; grid-template-columns: 50px 1fr; gap: 15px; border-right: 1px solid var(--white-line); }
.promise-item:not(:first-child) { padding-left: 28px; }
.promise-item:last-child { border-right: 0; }
.promise-number { color: var(--lime); }
.promise-item h3 { margin: 0 0 13px; font-size: 23px; letter-spacing: -.05em; }
.promise-item p { max-width: 270px; margin: 0; color: rgba(245, 242, 235, .6); font-size: 14px; line-height: 1.8; }
.process-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.process-list li { min-height: 132px; display: grid; grid-template-columns: 53px 1px 1fr; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.process-num { align-self: start; padding-top: 24px; color: var(--coral); }
.process-line { width: 1px; height: 47px; background: var(--ink); opacity: .2; }
.process-list h3 { margin: 0 0 5px; font-size: 22px; letter-spacing: -.05em; }
.process-list p { margin: 0; color: var(--muted); font-size: 14px; }
.areas-heading { margin-bottom: 74px; }
.area-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
.area-group { padding: 30px; border: 1px solid var(--white-line); border-radius: var(--radius-md); }
.area-group-title { display: flex; align-items: center; gap: 14px; padding-bottom: 22px; border-bottom: 1px solid var(--white-line); }
.area-group-title > span { color: var(--lime); }
.area-group-title h3 { margin: 0; font-size: 25px; letter-spacing: -.06em; }
.area-tags { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 23px; }
.area-tags span { padding: 8px 12px; border: 1px solid var(--white-line); border-radius: 99px; color: rgba(245, 242, 235, .72); font-size: 12px; }
.area-tags span:hover { color: var(--ink); border-color: var(--lime); background: var(--lime); }
.faq-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.faq-intro { max-width: 300px; margin: 25px 0 30px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; list-style: none; font-size: 16px; font-weight: 700; letter-spacing: -.03em; }
summary::-webkit-details-marker { display: none; }
summary b { color: var(--coral); font-family: var(--display); font-size: 24px; font-weight: 400; transition: transform .2s ease; }
details[open] summary b { transform: rotate(45deg); }
details p { max-width: 520px; margin: -5px 45px 26px 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.final-cta { padding: 86px 0; }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.final-cta h2 { font-size: clamp(42px, 5.3vw, 75px); }
.final-cta .eyebrow { color: rgba(9, 17, 31, .55); }
.circle-arrow { width: 132px; height: 132px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-size: 40px; transition: transform .25s ease, background .25s ease; }
.circle-arrow:hover { transform: rotate(-15deg); background: var(--paper); }
.site-footer { padding: 38px 0 30px; color: var(--paper); background: var(--ink); }
.footer-top { min-height: 90px; display: flex; align-items: center; gap: 28px; }
.footer-top > p { margin: 0 auto 0 25px; color: rgba(245, 242, 235, .52); font-size: 12px; }
.footer-call { color: var(--lime); font-size: 13px; font-weight: 700; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 23px; border-top: 1px solid var(--white-line); color: rgba(245, 242, 235, .4); font-family: var(--display); font-size: 10px; letter-spacing: .02em; }
.footer-bottom div { display: flex; gap: 18px; }

@media (max-width: 820px) {
  .container { width: min(100% - 40px, 620px); }
  .desktop-nav, .header-inner > .button-small { display: none; }
  .menu-toggle { width: 40px; height: 40px; display: grid; place-content: center; gap: 5px; margin-left: auto; padding: 0; border: 1px solid rgba(245, 242, 235, .28); border-radius: 50%; color: var(--paper); background: transparent; cursor: pointer; }
  .menu-toggle span { display: block; width: 15px; height: 1px; background: currentColor; transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .mobile-menu { display: grid; grid-template-columns: 1fr 1fr; gap: 0; padding: 0 20px 20px; background: rgba(9, 17, 31, .97); transform: translateY(-150%); transition: transform .25s ease; }
  .mobile-menu.open { transform: translateY(0); }
  .mobile-menu a:not(.button) { padding: 14px 0; border-bottom: 1px solid var(--white-line); color: rgba(245, 242, 235, .75); font-size: 14px; }
  .mobile-menu .button { grid-column: 1 / -1; margin-top: 18px; }
  .hero { min-height: 740px; }
  .hero-content { padding-top: 112px; }
  .hero h1 { font-size: clamp(43px, 10vw, 62px); }
  .hero-side-note { right: 20px; bottom: 34px; }
  .hero-meta { margin-top: 70px; }
  .intro, .process, .faq { padding: 90px 0; }
  .promise, .areas { padding: 90px 0; }
  .split-heading, .faq-layout { grid-template-columns: 1fr; gap: 27px; }
  .section-summary { margin: 0; }
  .service-grid, .area-columns { grid-template-columns: 1fr; }
  .service-card { min-height: 360px; }
  .promise-head { display: block; margin-bottom: 47px; }
  .promise-grid { grid-template-columns: 1fr; }
  .promise-item, .promise-item:not(:first-child) { min-height: 0; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--white-line); }
  .promise-item:last-child { border-bottom: 0; }
  .faq-layout { gap: 48px; }
  .footer-top { align-items: flex-start; flex-wrap: wrap; }
  .footer-top > p { order: 3; flex-basis: 100%; margin: 0; }
}

@media (max-width: 480px) {
  .container { width: calc(100% - 32px); }
  .header-inner { min-height: 72px; }
  .brand-copy strong { font-size: 12px; }
  .brand-copy small { font-size: 9px; }
  .brand-mark { width: 30px; height: 30px; }
  .hero { min-height: 680px; }
  .hero h1 { font-size: 42px; }
  .hero-lead { font-size: 15px; line-height: 1.7; }
  .hero-lead strong { font-size: 18px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-meta { margin-top: 55px; }
  h2 { font-size: 43px; }
  .service-card { min-height: 380px; padding: 25px; border-radius: 22px; }
  .service-card h3 { font-size: 30px; }
  .promise-item { grid-template-columns: 37px 1fr; }
  .process-list li { gap: 14px; grid-template-columns: 40px 1px 1fr; }
  .area-group { padding: 22px; }
  .area-tags span { padding: 7px 9px; font-size: 11px; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; }
  .circle-arrow { width: 76px; height: 76px; font-size: 27px; }
  .footer-bottom { display: block; line-height: 1.8; }
  .footer-bottom div { flex-wrap: wrap; margin-top: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
