:root {
    --ink: #10142f;
    --ink-soft: #26315b;
    --paper: #f6f7fb;
    --white: #ffffff;
    --violet: #6857e5;
    --violet-dark: #4f3fc7;
    --aqua: #49d7c9;
    --line: rgba(20, 29, 69, .12);
    --muted: #69718d;
    --shadow: 0 24px 70px rgba(19, 25, 66, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", Arial, sans-serif; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1000; transform: translateY(-150%); padding: 10px 16px; color: #fff; background: #000; border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 50; color: #fff; background: rgba(11, 16, 45, .94); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255,255,255,.1); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; color: #111735; background: linear-gradient(145deg, #71f0dc, #9c8bff); font-weight: 900; font-size: 21px; box-shadow: 0 8px 26px rgba(73,215,201,.28); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.2; }
.brand-copy strong { font-size: 18px; letter-spacing: -.04em; }
.brand-copy small { margin-top: 4px; color: #aeb7d6; font-size: 9px; letter-spacing: .16em; }
.primary-nav { display: flex; gap: 28px; color: #cbd1e7; font-size: 14px; font-weight: 700; }
.primary-nav a:hover { color: #fff; }
.header-cta { padding: 12px 19px; color: #111735; background: var(--aqua); border-radius: 999px; font-size: 14px; font-weight: 900; }

.route-bar { color: #d9def1; background: #151c45; border-bottom: 1px solid rgba(255,255,255,.08); }
.route-inner { min-height: 45px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.route-inner p { margin: 0; display: flex; gap: 10px; align-items: center; font-size: 13px; }
.route-inner p span { color: #8f9ac0; }
.route-inner p strong { color: #fff; }
.route-inner button { border: 0; color: #d7dcef; background: transparent; font-size: 13px; font-weight: 800; cursor: pointer; }
.route-inner button b { color: var(--aqua); margin-left: 5px; }

.hero { position: relative; overflow: hidden; color: #fff; background: radial-gradient(circle at 10% 0%, #26306c 0, #111735 48%, #090d26 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, #000, transparent 80%); }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .35; }
.hero-orb-one { width: 410px; height: 410px; top: -250px; right: 5%; border: 1px solid #8c7bff; box-shadow: inset 0 0 80px rgba(140,123,255,.28); }
.hero-orb-two { width: 180px; height: 180px; bottom: -100px; left: 44%; background: rgba(73,215,201,.18); filter: blur(28px); }
.hero-grid { position: relative; min-height: 650px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 86px; padding-top: 78px; padding-bottom: 86px; }
.eyebrow, .section-kicker, .card-kicker { margin: 0 0 18px; color: var(--aqua); font-size: 12px; font-weight: 900; letter-spacing: .18em; }
.hero h1 { margin: 0; font-size: clamp(58px, 7vw, 94px); line-height: .98; letter-spacing: -.075em; }
.hero h1 span { color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.72); }
.hero-lead { max-width: 650px; margin: 32px 0 0; color: #c9d0e9; font-size: 18px; line-height: 1.8; letter-spacing: -.025em; }
.hero-actions { margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 58px; padding: 0 26px; border-radius: 14px; font-weight: 900; transition: transform .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #111735; background: linear-gradient(135deg, #74eadb, #a79aff); box-shadow: 0 14px 40px rgba(73,215,201,.2); }
.hero-note { display: flex; align-items: center; gap: 8px; margin: 20px 0 0; color: #9ba5ca; font-size: 13px; }
.hero-note i { width: 7px; height: 7px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 5px rgba(73,215,201,.1); }

.hero-card { padding: 36px; border: 1px solid rgba(255,255,255,.14); border-radius: 26px; background: rgba(255,255,255,.07); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.hero-card h2 { margin: 0 0 26px; font-size: 34px; line-height: 1.22; letter-spacing: -.055em; }
.hero-card ol { list-style: none; margin: 0; padding: 0; }
.hero-card li { display: flex; gap: 18px; align-items: center; padding: 17px 0; border-top: 1px solid rgba(255,255,255,.11); }
.hero-card li > span { color: var(--aqua); font-size: 12px; font-weight: 900; }
.hero-card li div { display: flex; flex-direction: column; }
.hero-card li strong { font-size: 15px; }
.hero-card li small { color: #9fa8c9; margin-top: 2px; }
.hero-card > a { display: flex; justify-content: space-between; margin-top: 18px; padding: 17px 0 0; color: var(--aqua); border-top: 1px solid rgba(255,255,255,.11); font-weight: 900; }

.trust-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-grid p { display: flex; align-items: center; justify-content: center; gap: 15px; margin: 0; padding: 23px 15px; border-right: 1px solid var(--line); }
.trust-grid p:last-child { border-right: 0; }
.trust-grid span { color: var(--violet); font-size: 11px; font-weight: 900; }
.trust-grid strong { font-size: 14px; }

.section { padding: 110px 0; }
.section-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; align-items: start; }
.section-kicker { color: var(--violet); }
.section h2 { margin: 0; font-size: clamp(38px, 5vw, 58px); line-height: 1.15; letter-spacing: -.065em; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature-grid article { min-height: 270px; padding: 31px; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 16px 45px rgba(25,31,69,.07); }
.feature-grid article > span { display: grid; place-items: center; width: 45px; height: 45px; color: #fff; background: var(--violet); border-radius: 13px; font-weight: 900; }
.feature-grid h3 { margin: 58px 0 10px; font-size: 21px; letter-spacing: -.04em; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 15px; }

.button-dark { color: #fff; background: var(--ink); box-shadow: 0 14px 40px rgba(16,20,47,.18); }
.button-light { color: var(--ink); background: #fff; box-shadow: 0 14px 40px rgba(4,8,28,.18); }
.section-heading { max-width: 760px; margin-bottom: 46px; }
.section-heading.centered { margin-right: auto; margin-left: auto; text-align: center; }
.section-heading > p:last-child, .section-lead { color: var(--muted); font-size: 17px; }

.process-section { background: #eef0f7; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 0; padding: 0; counter-reset: item; }
.process-grid li { min-height: 268px; padding: 27px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.process-grid li > span { display: block; color: var(--violet); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.process-grid h3 { margin: 75px 0 10px; font-size: 20px; letter-spacing: -.04em; }
.process-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.center-action { margin-top: 35px; text-align: center; }

.delivery-section { color: #fff; background: linear-gradient(145deg, #101631, #171f4d); }
.delivery-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.delivery-panel { position: sticky; top: 125px; }
.delivery-panel h2 { font-size: clamp(40px, 5vw, 61px); }
.delivery-panel > p:not(.section-kicker) { color: #aeb7d6; font-size: 16px; }
.delivery-panel > a { display: inline-flex; gap: 12px; margin-top: 20px; color: var(--aqua); font-weight: 900; }
.delivery-list { border-top: 1px solid rgba(255,255,255,.14); }
.delivery-list article, .info-list article { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 27px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.delivery-list article > span { color: var(--aqua); font-size: 12px; font-weight: 900; }
.delivery-list h3, .info-list h3 { margin: 0 0 6px; font-size: 20px; letter-spacing: -.035em; }
.delivery-list p { margin: 0; color: #aeb7d6; }

.answer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.answer-grid article { min-height: 280px; padding: 31px; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 16px 45px rgba(25,31,69,.07); }
.answer-grid article > span { color: var(--violet); font-size: 12px; font-weight: 900; letter-spacing: .08em; }
.answer-grid h3 { margin: 82px 0 10px; font-size: 22px; }
.answer-grid p { margin: 0; color: var(--muted); }

.info-section { background: #fff; }
.info-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
.info-list { border-top: 1px solid var(--line); }
.info-list article { border-bottom-color: var(--line); }
.info-list article > span { color: var(--violet); font-size: 12px; font-weight: 900; }
.info-list p { margin: 0; color: var(--muted); }

.access-section { color: #fff; background: #0b102d; }
.access-grid { display: grid; grid-template-columns: 1fr .85fr; gap: 90px; align-items: center; }
.access-grid > div:first-child > p:last-child { max-width: 620px; color: #aeb7d6; }
.access-card { padding: 36px; border: 1px solid rgba(255,255,255,.14); border-radius: 24px; background: rgba(255,255,255,.06); }
.access-card small { color: var(--aqua); font-weight: 900; letter-spacing: .13em; }
.access-card strong { display: block; margin: 25px 0 12px; font-size: clamp(27px, 4vw, 42px); letter-spacing: -.055em; }
.access-card p { color: #aeb7d6; }
.access-card button { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-top: 25px; padding: 16px 0 0; border: 0; border-top: 1px solid rgba(255,255,255,.14); color: var(--aqua); background: transparent; font-weight: 900; cursor: pointer; }

.link-section { background: #fff; }
.guide-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.guide-links a { position: relative; min-height: 240px; padding: 29px; border: 1px solid var(--line); border-radius: 21px; transition: transform .2s, border-color .2s, box-shadow .2s; }
.guide-links a:hover { transform: translateY(-3px); border-color: rgba(104,87,229,.45); box-shadow: 0 18px 48px rgba(25,31,69,.1); }
.guide-links a > span { color: var(--violet); font-size: 11px; font-weight: 900; letter-spacing: .13em; }
.guide-links h3 { margin: 62px 0 7px; font-size: 23px; letter-spacing: -.045em; }
.guide-links p { margin: 0; color: var(--muted); font-size: 14px; }
.guide-links b { position: absolute; top: 27px; right: 28px; color: var(--violet); font-size: 20px; }

.faq-section { background: var(--paper); border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.faq-grid > div:first-child > p:last-child { color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 45px 24px 0; list-style: none; font-weight: 900; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 17px; right: 4px; color: var(--violet); font-size: 28px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -3px 0 24px; padding-right: 30px; color: var(--muted); }

.contact-section { padding: 55px 0; color: #fff; background: linear-gradient(120deg, #6756df, #303a92); }
.contact-card { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.contact-card h2 { margin: 0; font-size: clamp(31px, 4vw, 48px); letter-spacing: -.06em; }
.contact-card p:not(.section-kicker) { margin-bottom: 0; color: #d8daf4; }
.contact-card .button { flex: 0 0 auto; }

.compact-card { max-width: 850px; padding: 48px; background: #fff; border: 1px solid var(--line); border-radius: 26px; box-shadow: var(--shadow); text-align: center; }
.compact-card h2 { font-size: clamp(34px, 5vw, 50px); }
.compact-card > p:not(.section-kicker) { color: var(--muted); }
.compact-card .button { margin-top: 20px; }

.site-footer { padding: 64px 0 24px; color: #c5cbe1; background: #070b20; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 70px; align-items: start; }
.footer-grid > div > p { max-width: 560px; color: #858faf; font-size: 14px; }
.footer-grid nav { display: grid; grid-template-columns: repeat(2, auto); gap: 12px 28px; font-size: 14px; }
.footer-grid nav a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 46px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); color: #687291; font-size: 12px; }
.footer-bottom p { margin: 0; }

.address-modal[hidden] { display: none; }
.address-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; }
.address-modal-backdrop { position: absolute; inset: 0; background: rgba(5,8,25,.72); backdrop-filter: blur(8px); }
.address-modal-dialog { position: relative; width: min(460px, 100%); padding: 38px; color: var(--ink); background: #fff; border-radius: 26px; box-shadow: 0 30px 100px rgba(0,0,0,.35); }
.address-modal-dialog h2 { margin: 0; font-size: 34px; letter-spacing: -.055em; }
.address-modal-dialog > p:not(.card-kicker) { margin: 10px 0 23px; color: var(--muted); }
.modal-close { position: absolute; top: 18px; right: 20px; width: 38px; height: 38px; border: 0; border-radius: 50%; color: var(--muted); background: #f0f2f8; font-size: 24px; cursor: pointer; }
.copy-domain { width: 100%; display: flex; align-items: center; justify-content: space-between; margin-top: 10px; padding: 15px 17px; border: 1px solid var(--line); border-radius: 13px; color: var(--ink); background: #f8f9fc; cursor: pointer; }
.copy-domain:hover { border-color: var(--violet); }
.copy-domain span { color: var(--violet); font-size: 12px; font-weight: 900; }
.copy-status { display: block; min-height: 22px; margin-top: 14px; color: var(--violet-dark); }
.modal-open { overflow: hidden; }
.mobile-cta { display: none; }

@media (max-width: 900px) {
    .primary-nav { display: none; }
    .hero-grid { grid-template-columns: 1fr; gap: 45px; min-height: auto; padding-top: 70px; padding-bottom: 70px; }
    .hero-card { max-width: 620px; }
    .section-grid { grid-template-columns: 1fr; gap: 44px; }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .delivery-grid, .info-grid, .access-grid, .faq-grid { grid-template-columns: 1fr; gap: 48px; }
    .delivery-panel { position: static; }
    .answer-grid, .guide-links { grid-template-columns: 1fr; }
    .contact-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
    body { padding-bottom: 76px; }
    .container { width: min(100% - 28px, 1180px); }
    .site-header { position: relative; }
    .header-inner { min-height: 68px; }
    .header-cta { display: none; }
    .brand-mark { width: 38px; height: 38px; }
    .brand-copy strong { font-size: 16px; }
    .route-inner { min-height: 44px; }
    .route-inner p { font-size: 12px; }
    .route-inner p span { display: none; }
    .route-inner button { font-size: 12px; }
    .hero-grid { padding-top: 55px; padding-bottom: 55px; }
    .hero h1 { font-size: clamp(51px, 16vw, 70px); }
    .hero-lead { margin-top: 24px; font-size: 16px; }
    .button { width: 100%; }
    .hero-note { align-items: flex-start; }
    .hero-note i { margin-top: 7px; flex: 0 0 auto; }
    .hero-card { padding: 25px; border-radius: 20px; }
    .hero-card h2 { font-size: 29px; }
    .trust-grid { grid-template-columns: 1fr; }
    .trust-grid p { justify-content: flex-start; padding: 15px 6px; border-right: 0; border-bottom: 1px solid var(--line); }
    .trust-grid p:last-child { border-bottom: 0; }
    .section { padding: 76px 0; }
    .section h2 { font-size: 39px; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-grid article { min-height: 225px; }
    .feature-grid h3 { margin-top: 44px; }
    .process-grid { grid-template-columns: 1fr; }
    .process-grid li { min-height: 220px; }
    .process-grid h3 { margin-top: 48px; }
    .delivery-list article, .info-list article { grid-template-columns: 40px 1fr; gap: 12px; }
    .answer-grid article { min-height: 225px; }
    .answer-grid h3 { margin-top: 50px; }
    .access-card { padding: 27px; }
    .guide-links a { min-height: 210px; }
    .guide-links h3 { margin-top: 46px; }
    .faq-list summary { padding-right: 35px; }
    .contact-section { padding: 48px 0; }
    .contact-card .button { width: 100%; }
    .compact-card { padding: 35px 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 35px; }
    .footer-grid nav { grid-template-columns: 1fr 1fr; }
    .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
    .address-modal-dialog { padding: 30px 22px 24px; }
    .mobile-cta { position: fixed; z-index: 60; left: 10px; right: 10px; bottom: 10px; display: flex; align-items: center; justify-content: space-between; min-height: 62px; padding: 10px 19px; color: #111735; background: linear-gradient(135deg, #74eadb, #a79aff); border-radius: 16px; box-shadow: 0 15px 45px rgba(14,19,52,.35); }
    .mobile-cta span { display: flex; flex-direction: column; line-height: 1.2; }
    .mobile-cta small { margin-bottom: 3px; font-size: 8px; letter-spacing: .15em; }
}