:root {
  --ink: #17233a;
  --muted: #66748b;
  --blue: #2168ed;
  --blue-dark: #1453ce;
  --line: #e5eaf1;
  --pale: #f6f9fd;
  --max: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 94px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
::selection { color: #fff; background: var(--blue); }
:focus-visible { outline: 3px solid #75a7ff; outline-offset: 3px; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.skip-link { position: absolute; top: -60px; left: 12px; z-index: 100; padding: 10px 14px; background: var(--ink); color: #fff; border-radius: 6px; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 50; height: 78px; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(225,232,241,.9); backdrop-filter: blur(16px); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 26px; font-weight: 850; letter-spacing: -.07em; line-height: 1; white-space: nowrap; }
.brand img { flex: none; }
.brand-dot { color: var(--blue); }
.primary-nav { display: flex; align-items: center; gap: 35px; font-size: 14px; font-weight: 650; color: #48556c; }
.primary-nav > a:not(.nav-cta):hover { color: var(--blue); }
.nav-cta { display: inline-flex; align-items: center; gap: 18px; padding: 12px 18px; color: #fff; background: var(--ink); border-radius: 10px; transition: transform .2s, background .2s; }
.nav-cta:hover { transform: translateY(-2px); background: var(--blue); }
.menu-toggle { display: none; }

.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 76% 23%, #ebf3ff 0, transparent 34%), linear-gradient(180deg, #fbfdff 0%, #fff 78%); }
.hero::before { content: ""; position: absolute; width: 580px; height: 580px; right: -250px; top: -250px; border: 1px solid #e9f0fb; border-radius: 50%; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: 38px; min-height: 645px; padding-block: 40px 55px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow, .kicker { font-size: 12px; font-weight: 800; letter-spacing: .19em; color: var(--blue); }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.eyebrow-line { width: 23px; height: 2px; background: var(--blue); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin-bottom: 14px; font-size: clamp(43px, 4.2vw, 61px); font-weight: 830; line-height: 1.17; letter-spacing: -.073em; }
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-lead { max-width: 530px; margin-bottom: 18px; color: #58677e; font-size: 15px; line-height: 1.7; word-break: keep-all; }
.hero-price { display: flex; align-items: end; justify-content: space-between; gap: 15px; max-width: 600px; margin-bottom: 17px; padding: 14px 18px; border: 1px solid #cfe0fc; border-radius: 12px; background: #eef5ff; }
.hero-price > div { display: flex; align-items: baseline; gap: 12px; }
.hero-price > div > span { color: #3765aa; font-size: 12px; font-weight: 800; white-space: nowrap; }
.hero-price strong { color: var(--blue); font-size: 31px; font-weight: 850; letter-spacing: -.06em; line-height: 1; white-space: nowrap; }
.hero-price small { margin-left: 2px; font-size: 17px; letter-spacing: 0; }
.hero-price p { max-width: 100px; margin: 0; color: #6a83aa; font-size: 10px; line-height: 1.4; text-align: right; }
.hero-feature-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 8px; max-width: 600px; margin: 0 0 18px; padding: 0; list-style: none; }
.hero-feature-list li { display: flex; align-items: center; gap: 8px; min-height: 40px; padding: 8px 10px; border: 1px solid #e4ebf5; border-radius: 7px; color: #4b5b73; background: rgba(255,255,255,.82); font-size: 12px; font-weight: 680; line-height: 1.4; word-break: keep-all; }
.hero-feature-list li::before { content: "✓"; flex: none; color: var(--blue); font-weight: 900; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 51px; padding: 14px 20px; border: 1px solid transparent; border-radius: 9px; font-size: 14px; font-weight: 750; line-height: 1.2; transition: background .2s, color .2s, transform .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 12px 26px rgba(33,104,237,.15); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { color: var(--ink); background: #fff; border-color: #d8e1ec; }
.button-secondary:hover { border-color: #96bbff; color: var(--blue); }
.hero-meta { display: flex; align-items: center; gap: 10px; margin-top: 20px; font-size: 11px; color: #748299; white-space: nowrap; }
.meta-pulse { width: 7px; height: 7px; border-radius: 50%; background: #3bcf9a; box-shadow: 0 0 0 4px #def9ed; }
.meta-divider { width: 1px; height: 12px; margin-inline: 4px; background: #c9d3df; }
.hero-visual { position: relative; padding: 0 0 0 15px; }
.visual-orbit { position: absolute; border: 1px solid #dfeafa; border-radius: 50%; }
.orbit-one { width: 525px; height: 525px; top: -70px; left: 40px; }
.orbit-two { width: 390px; height: 390px; top: -2px; left: 106px; }
.visual-card { position: relative; overflow: hidden; border: 1px solid #e6edf7; border-radius: 18px; background: #fff; box-shadow: 0 33px 75px rgba(37,78,139,.12), 0 8px 22px rgba(37,78,139,.05); transform: rotate(-2deg); }
.visual-card img { width: 100%; }
.visual-label { height: 51px; display: flex; align-items: center; gap: 9px; padding-inline: 20px; font-size: 10px; font-weight: 800; letter-spacing: .15em; color: #677992; }
.visual-label > span:last-child { margin-left: auto; font-weight: 650; letter-spacing: .08em; color: #9aa9bc; }
.visual-label-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.visual-caption { position: relative; margin: 23px 0 0 12px; font-size: 11px; color: #8b98ac; }

.facts-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.facts-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.facts-grid > div { display: flex; align-items: center; gap: 20px; min-height: 94px; padding: 20px 33px; border-right: 1px solid var(--line); }
.facts-grid > div:first-child { padding-left: 0; }
.facts-grid > div:last-child { border-right: 0; }
.facts-grid strong { font-size: 12px; color: #9dbfff; }
.facts-grid span { font-size: 13px; color: #7a889d; white-space: nowrap; }
.facts-grid b { margin-left: auto; font-size: 14px; white-space: nowrap; }

.section { padding-block: 113px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 42px; }
.kicker { margin-bottom: 17px; }
h2 { margin-bottom: 0; font-size: clamp(30px, 3vw, 43px); font-weight: 830; line-height: 1.35; letter-spacing: -.063em; word-break: keep-all; }
.section-heading > p { max-width: 330px; margin: 0 0 3px; font-size: 14px; line-height: 1.75; color: var(--muted); word-break: keep-all; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card { display: flex; flex-direction: column; min-height: 240px; padding: 27px 29px 25px; border: 1px solid var(--line); border-radius: 14px; background: #fff; transition: transform .2s, border-color .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-4px); border-color: #bbd3fa; box-shadow: 0 16px 35px rgba(32,78,146,.07); }
.feature-icon { display: flex; align-items: start; justify-content: space-between; margin-bottom: 27px; font-size: 12px; font-weight: 800; color: var(--blue); }
.feature-icon span { display: grid; place-items: center; width: 33px; height: 33px; margin-top: -5px; border-radius: 9px; background: #edf4ff; font-size: 16px; font-weight: 600; }
.feature-card h3 { margin-bottom: 11px; font-size: 20px; letter-spacing: -.045em; }
.feature-card p { margin-bottom: 20px; color: var(--muted); font-size: 13px; line-height: 1.76; word-break: keep-all; }
.feature-tag { margin-top: auto; color: #9ba8b9; font-size: 11px; font-weight: 700; }
.supporting-features { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-top: 26px; }
.supporting-features strong { margin-right: 11px; color: #68788f; font-size: 12px; }
.supporting-features span { padding: 8px 11px; border: 1px solid #e3eaf3; border-radius: 99px; color: #7b8a9e; font-size: 11px; }
.section-note { margin: 17px 0 0; color: #8a98a9; font-size: 12px; }

.section-versions { background: var(--pale); }
.version-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 19px; }
.version-card { display: flex; flex-direction: column; min-height: 420px; padding: 38px 40px 34px; border: 1px solid #dde7f3; border-radius: 18px; background: #fff; box-shadow: 0 12px 34px rgba(50,93,144,.035); }
.version-card-accent { border-color: #b7d0ff; box-shadow: 0 13px 40px rgba(48,109,225,.07); }
.version-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 33px; }
.version-number { font-size: 35px; font-weight: 820; letter-spacing: -.06em; color: var(--blue); line-height: 1; }
.version-state { display: inline-flex; align-items: center; gap: 6px; padding: 7px 10px; background: #eff7f4; border-radius: 99px; color: #348669; font-size: 11px; font-weight: 700; }
.version-state i { width: 6px; height: 6px; background: #50b788; border-radius: 50%; }
.version-card h3 { margin-bottom: 5px; font-size: 24px; letter-spacing: -.045em; }
.version-sub { margin-bottom: 23px; color: #8795a8; font-size: 13px; }
.version-card ul { display: grid; gap: 13px; padding: 0; margin: 0 0 33px; list-style: none; }
.version-card li { display: flex; align-items: baseline; gap: 10px; font-size: 13px; color: #57667d; }
.version-card li::before { content: "✓"; color: var(--blue); font-weight: 900; }
.version-link { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); color: var(--blue); font-size: 14px; font-weight: 760; }
.version-link:hover span { transform: translateX(4px); }
.version-link span { transition: transform .2s; }
.compatibility-note { display: flex; align-items: start; gap: 8px; margin: 22px 0 0; color: #7b8a9e; font-size: 12px; line-height: 1.6; }
.compatibility-note span { color: var(--blue); font-size: 16px; line-height: 1; }

.section-pricing { overflow: hidden; background: linear-gradient(150deg, #fff 20%, #f2f7ff 100%); }
.pricing-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .86fr); gap: 95px; align-items: center; }
.pricing-copy h2 { margin-bottom: 23px; }
.pricing-copy > p:not(.kicker) { max-width: 490px; color: var(--muted); font-size: 15px; line-height: 1.8; word-break: keep-all; }
.pricing-checks { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 31px; }
.pricing-checks span { padding: 9px 12px; border-radius: 8px; color: #2866c4; background: #eaf3ff; font-size: 12px; font-weight: 700; }
.pricing-card { padding: 41px; border: 1px solid #cbdcfa; border-radius: 20px; background: #fff; box-shadow: 0 20px 55px rgba(40,97,173,.1); }
.pricing-label { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.pricing-amount { display: flex; align-items: baseline; gap: 5px; margin: 17px 0 5px; line-height: 1; }
.pricing-amount strong { font-size: clamp(43px, 4.1vw, 59px); font-weight: 830; letter-spacing: -.07em; }
.pricing-amount span { font-size: 23px; font-weight: 700; }
.pricing-card > p { margin-bottom: 27px; color: var(--muted); font-size: 13px; }
.pricing-divider { height: 1px; background: var(--line); }
.pricing-card ul { display: grid; gap: 14px; margin: 27px 0 29px; padding: 0; list-style: none; }
.pricing-card li { display: flex; gap: 11px; color: #586880; font-size: 13px; }
.pricing-card li::before { content: "✓"; color: var(--blue); font-weight: 900; }
.pricing-card .button { display: flex; justify-content: space-between; width: 100%; }
.pricing-card small { display: block; margin-top: 17px; color: #99a8bb; font-size: 11px; line-height: 1.6; }

.screens-grid { display: grid; grid-template-columns: 310px minmax(0, 1fr); gap: 62px; align-items: center; }
.screens-copy h2 { margin-bottom: 24px; }
.screens-copy > p:not(.kicker) { color: var(--muted); font-size: 14px; line-height: 1.8; word-break: keep-all; }
.screen-index { display: flex; align-items: center; gap: 11px; width: 155px; margin-top: 43px; font-size: 11px; font-weight: 800; color: var(--blue); }
.screen-index span:last-child { color: #afbbc9; }
.screen-index div { height: 1px; flex: 1; background: #b7c8e0; }
.screen-gallery { position: relative; min-height: 510px; padding: 0 150px 60px 0; }
.screen-gallery::before { content: ""; position: absolute; inset: 35px 100px 35px 35px; background: #f0f6ff; border-radius: 30px; }
.screen-gallery figure { position: relative; margin: 0; overflow: hidden; border: 1px solid #e1e7f0; border-radius: 15px; background: #fff; box-shadow: 0 24px 46px rgba(32,73,132,.13); }
.screen-main { max-width: 600px; padding: 13px; }
.screen-main img { width: 100%; border-radius: 7px; }
.screen-secondary { position: absolute !important; right: 0; bottom: 0; width: 33%; min-width: 206px; padding: 8px; }
.screen-secondary img { width: 100%; aspect-ratio: 1.13; object-fit: cover; object-position: top; border-radius: 6px; }
.screen-gallery figcaption { display: flex; justify-content: space-between; gap: 5px; margin-top: 11px; padding: 0 4px 4px; font-size: 11px; font-weight: 700; color: #66768d; }
.screen-gallery figcaption span { color: #a4b1c1; font-size: 9px; letter-spacing: .1em; }

.section-process { padding-block: 94px 102px; background: var(--pale); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #dce6f1; }
.process-grid > div { padding: 26px 25px 0 0; }
.process-grid > div + div { padding-left: 22px; border-left: 1px solid #dce6f1; }
.process-grid span { display: block; margin-bottom: 33px; color: var(--blue); font-size: 12px; font-weight: 800; }
.process-grid h3 { margin-bottom: 9px; font-size: 18px; letter-spacing: -.04em; }
.process-grid p { max-width: 210px; margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.7; word-break: keep-all; }

.section-contact { padding-block: 95px; background: #fff; }
.contact-card { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: 45px 54px; border: 1px solid #d7e5fa; border-radius: 20px; background: linear-gradient(110deg, #f2f7ff, #f9fbff); }
.contact-card .kicker { margin-bottom: 12px; }
.contact-card h2 { margin-bottom: 10px; font-size: 32px; }
.contact-card p:not(.kicker) { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.contact-card .button { flex: none; }

.site-footer { padding-block: 34px; border-top: 1px solid var(--line); background: #fbfcfe; }
.footer-inner { display: flex; justify-content: space-between; align-items: end; gap: 25px; }
.footer-brand { font-size: 23px; }
.footer-inner p { margin: 12px 0 0; color: #91a0b1; font-size: 11px; }
.footer-right { display: flex; gap: 24px; color: #91a0b1; font-size: 11px; }
.footer-right a:hover { color: var(--blue); }

@media (max-width: 980px) {
  .primary-nav { gap: 18px; font-size: 13px; }
  .hero-grid { gap: 15px; }
  .hero h1 { font-size: 47px; }
  .hero-price { align-items: start; }
  .hero-price > div { display: grid; gap: 5px; }
  .hero-feature-list li { font-size: 11px; }
  .facts-grid > div { gap: 8px; padding-inline: 18px; }
  .facts-grid b { font-size: 12px; }
  .screens-grid { grid-template-columns: 250px 1fr; gap: 30px; }
  .screen-gallery { padding-right: 100px; }
  .pricing-grid { gap: 40px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 76px; }
  .container { width: min(calc(100% - 36px), var(--max)); }
  .site-header { height: 66px; }
  .brand { font-size: 23px; }
  .brand img { width: 30px; height: 30px; }
  .menu-toggle { display: flex; width: 40px; height: 40px; flex-direction: column; justify-content: center; gap: 5px; align-items: center; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
  .menu-toggle span { width: 17px; height: 2px; background: var(--ink); }
  .primary-nav { position: absolute; top: 65px; left: 0; right: 0; display: none; align-items: stretch; gap: 0; padding: 10px 18px 18px; border-bottom: 1px solid var(--line); background: #fff; box-shadow: 0 15px 20px rgba(27,59,104,.07); }
  .primary-nav.is-open { display: flex; flex-direction: column; }
  .primary-nav > a { padding: 13px 4px; }
  .primary-nav .nav-cta { justify-content: space-between; margin-top: 7px; padding: 12px 16px; }
  .hero-grid { grid-template-columns: 1fr; gap: 26px; min-height: 0; padding-block: 52px 55px; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: clamp(42px, 8vw, 60px); }
  .hero-lead { font-size: 15px; }
  .hero-price > div { display: flex; align-items: baseline; gap: 12px; }
  .hero-feature-list li { font-size: 12px; }
  .hero-visual { max-width: 610px; padding: 12px 0 0; }
  .visual-card { transform: none; }
  .visual-caption { margin-left: 0; }
  .facts-grid { grid-template-columns: 1fr 1fr 1fr; }
  .facts-grid > div { display: grid; gap: 5px; min-height: 78px; padding: 13px 7px; }
  .facts-grid > div:first-child { padding-left: 0; }
  .facts-grid strong { display: none; }
  .facts-grid b { margin: 0; }
  .section { padding-block: 75px; }
  .section-heading { display: block; margin-bottom: 30px; }
  .section-heading > p { margin-top: 15px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card { min-height: 225px; padding: 23px; }
  .version-card { padding: 30px 25px; }
  .screens-grid { grid-template-columns: 1fr; gap: 34px; }
  .pricing-grid { grid-template-columns: 1fr; gap: 32px; }
  .pricing-card { max-width: 560px; }
  .screen-gallery { max-width: 660px; }
  .screen-index { margin-top: 25px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .process-grid > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .contact-card { align-items: start; flex-direction: column; padding: 34px; }
}

@media (max-width: 540px) {
  .hero h1 { font-size: 43px; }
  .hero-price { align-items: start; }
  .hero-price > div { display: grid; gap: 5px; }
  .hero-price strong { font-size: 33px; }
  .hero-price p { margin-top: 4px; }
  .hero-feature-list { gap: 6px; }
  .hero-feature-list li { min-height: 43px; padding: 7px; font-size: 11px; }
  .hero-actions .button { width: 100%; justify-content: space-between; }
  .hero-meta { gap: 7px; margin-top: 20px; font-size: 10px; white-space: normal; }
  .facts-grid { grid-template-columns: 1fr; }
  .facts-grid > div { display: flex; min-height: 57px; padding-inline: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .facts-grid > div:last-child { border-bottom: 0; }
  .facts-grid span { font-size: 12px; }
  .facts-grid b { margin-left: auto; font-size: 13px; }
  h2 { font-size: 31px; }
  .feature-grid, .version-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .feature-icon { margin-bottom: 19px; }
  .screen-gallery { min-height: 0; padding: 0 0 60px; }
  .screen-gallery::before { inset: 22px 0 35px 22px; }
  .screen-main { width: 92%; }
  .screen-secondary { width: 44%; min-width: 145px; }
  .screen-gallery figcaption { font-size: 9px; }
  .screen-gallery figcaption span { font-size: 8px; }
  .process-grid { gap: 25px; }
  .process-grid > div { padding-right: 12px; }
  .process-grid > div + div { padding-left: 12px; }
  .process-grid > div:nth-child(3) { padding-left: 0; }
  .process-grid span { margin-bottom: 20px; }
  .process-grid h3 { font-size: 16px; }
  .process-grid p { font-size: 12px; }
  .contact-card { padding: 26px; }
  .contact-card h2 { font-size: 26px; }
  .contact-card .button { width: 100%; justify-content: space-between; }
  .pricing-card { padding: 29px; }
  .footer-inner { align-items: start; }
  .footer-right { display: grid; gap: 8px; text-align: right; }
}

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