:root {
    color-scheme: light;
    --primary: #5657e8;
    --primary-dark: #3334b8;
    --text: #18192a;
    --muted: #696c80;
    --line: #e6e7ef;
    --surface: #ffffff;
    --background: #f7f7fc;
    --kakao: #fee500;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: var(--background);
    color: var(--text);
    font-family: Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
    min-width: 320px;
}

a { color: inherit; }

.site-header {
    backdrop-filter: blur(16px);
    background: rgba(247, 247, 252, 0.88);
    border-bottom: 1px solid rgba(224, 225, 235, 0.8);
    position: sticky;
    top: 0;
    z-index: 20;
}

.site-header__inner,
.hero,
.section,
.final-cta,
.site-footer__inner {
    margin: 0 auto;
    max-width: 1160px;
}

.site-header__inner {
    align-items: center;
    display: flex;
    height: 76px;
    justify-content: space-between;
    padding: 0 24px;
}

.brand {
    align-items: center;
    display: inline-flex;
    gap: 11px;
    text-decoration: none;
}

.brand__mark {
    align-items: center;
    background: linear-gradient(135deg, #494ae1, #7778f3);
    border-radius: 13px;
    box-shadow: 0 9px 22px rgba(73, 74, 225, 0.22);
    color: white;
    display: flex;
    font-size: 19px;
    font-weight: 900;
    height: 44px;
    justify-content: center;
    width: 44px;
}

.brand > span:last-child { display: flex; flex-direction: column; }
.brand strong { font-size: 17px; letter-spacing: -0.02em; }
.brand small { color: var(--muted); font-size: 10px; margin-top: 2px; }

.site-nav { align-items: center; display: flex; gap: 34px; }
.site-nav a { color: #55586b; font-size: 13px; font-weight: 700; text-decoration: none; }
.site-nav a:hover { color: var(--primary); }

.hero {
    align-items: center;
    display: grid;
    gap: 80px;
    grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
    min-height: 690px;
    overflow: hidden;
    padding: 70px 24px 86px;
}

.eyebrow {
    align-items: center;
    color: var(--primary);
    display: flex;
    font-size: 11px;
    font-weight: 850;
    gap: 9px;
    letter-spacing: 0.15em;
    margin: 0 0 18px;
}

.eyebrow span { background: currentColor; border-radius: 99px; height: 6px; width: 6px; }

.hero h1 {
    font-size: clamp(42px, 4.8vw, 68px);
    letter-spacing: -0.062em;
    line-height: 1.13;
    margin: 0;
}

.hero h1 em { color: var(--primary); font-style: normal; }

.hero__description {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
    margin: 28px 0 34px;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 11px; }

.button {
    align-items: center;
    border-radius: 14px;
    display: inline-flex;
    font-size: 14px;
    font-weight: 800;
    height: 56px;
    justify-content: center;
    padding: 0 22px;
    text-decoration: none;
    transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.button:hover { transform: translateY(-2px); }
.button--kakao { background: var(--kakao); box-shadow: 0 12px 26px rgba(191, 173, 0, 0.16); color: #191919; }
.button--secondary { background: white; border: 1px solid var(--line); color: #525569; }

.button__bubble {
    background: #191919;
    border-radius: 50%;
    height: 16px;
    margin-right: 9px;
    position: relative;
    width: 18px;
}

.button__bubble::after {
    border-right: 4px solid #191919;
    border-top: 4px solid transparent;
    bottom: -1px;
    content: "";
    position: absolute;
    right: 1px;
    transform: rotate(18deg);
}

.hero__hint { color: #8a8c9c; font-size: 11px; margin: 13px 0 0 4px; }
.hero__hint strong { color: #5b5e72; }

.hero-preview { min-height: 520px; position: relative; }

.hero-preview::before {
    background: radial-gradient(circle, rgba(103, 104, 239, 0.2), rgba(103, 104, 239, 0) 68%);
    content: "";
    inset: -80px;
    position: absolute;
}

.preview-window {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(224, 225, 237, 0.95);
    border-radius: 28px;
    box-shadow: 0 38px 90px rgba(44, 46, 99, 0.16);
    left: 50%;
    max-width: 430px;
    padding: 25px;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%) rotate(1.5deg);
    width: calc(100% - 54px);
}

.preview-window__top,
.preview-brand,
.preview-status { align-items: center; display: flex; }
.preview-window__top { justify-content: space-between; }
.preview-brand { gap: 8px; }
.preview-brand > span { align-items: center; background: var(--primary); border-radius: 9px; color: white; display: flex; font-size: 11px; font-weight: 900; height: 28px; justify-content: center; width: 28px; }
.preview-brand strong { font-size: 13px; }

.live-badge { align-items: center; background: #eefaf4; border-radius: 99px; color: #168555; display: flex; font-size: 9px; font-weight: 800; gap: 6px; padding: 7px 9px; }
.live-badge i { background: #21ad70; border-radius: 50%; height: 6px; width: 6px; }

.preview-copy { padding: 29px 2px 21px; }
.preview-copy p { color: var(--primary); font-size: 9px; font-weight: 850; letter-spacing: 0.08em; margin: 0 0 6px; }
.preview-copy h2 { font-size: 25px; letter-spacing: -0.045em; line-height: 1.3; margin: 0; }

.notice-card { background: #f6f6fc; border: 1px solid #e7e7f1; border-radius: 19px; padding: 20px; }
.notice-card__label { color: var(--primary); font-size: 8px; font-weight: 900; letter-spacing: 0.13em; }
.notice-card h3 { font-size: 15px; letter-spacing: -0.025em; margin: 8px 0 17px; }
.notice-card dl { border-bottom: 1px solid #e2e3ec; border-top: 1px solid #e2e3ec; margin: 0; padding: 9px 0; }
.notice-card dl div { display: flex; font-size: 10px; justify-content: space-between; padding: 4px 0; }
.notice-card dt { color: #898b9c; }
.notice-card dd { color: #45485a; font-weight: 700; margin: 0; }
.notice-card__keyword { background: #e9e9ff; border-radius: 99px; color: var(--primary); display: inline-block; font-size: 9px; font-weight: 750; margin-top: 14px; padding: 7px 10px; }

.preview-status { gap: 10px; padding: 18px 3px 2px; }
.preview-status > span { align-items: center; background: #e1f5ea; border-radius: 50%; color: #128554; display: flex; font-size: 10px; font-weight: 900; height: 28px; justify-content: center; width: 28px; }
.preview-status p { display: flex; flex-direction: column; margin: 0; }
.preview-status strong { font-size: 10px; }
.preview-status small { color: #9294a3; font-size: 8px; margin-top: 2px; }

.floating-chip { background: white; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 30px rgba(50, 52, 94, 0.1); color: #5c5f72; font-size: 10px; font-weight: 750; padding: 12px 14px; position: absolute; }
.floating-chip--top { right: 0; top: 72px; }
.floating-chip--bottom { bottom: 72px; left: 0; }

.section { padding: 112px 24px; }
.section--steps { display: grid; gap: 90px; grid-template-columns: 0.8fr 1.2fr; }
.section-heading h2,
.trust-card h2,
.final-cta h2 { font-size: clamp(34px, 4vw, 50px); letter-spacing: -0.055em; line-height: 1.18; margin: 0; }
.section-heading > p:last-child,
.trust-card__copy > p:last-child { color: var(--muted); font-size: 14px; line-height: 1.75; margin: 21px 0 0; }

.steps { list-style: none; margin: 0; padding: 0; }
.steps li { border-top: 1px solid var(--line); display: grid; gap: 22px; grid-template-columns: 42px 1fr; padding: 28px 0; }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps li > span { color: var(--primary); font-size: 11px; font-weight: 900; letter-spacing: 0.08em; padding-top: 3px; }
.steps h3 { font-size: 18px; letter-spacing: -0.025em; margin: 0 0 8px; }
.steps p { color: var(--muted); font-size: 13px; line-height: 1.65; margin: 0; }

.section--trust { padding-bottom: 126px; padding-top: 58px; }
.trust-card { background: #25263a; border-radius: 32px; color: white; display: grid; gap: 70px; grid-template-columns: 0.85fr 1.15fr; overflow: hidden; padding: 66px; position: relative; }
.trust-card::after { background: rgba(105, 106, 238, 0.18); border-radius: 50%; content: ""; filter: blur(2px); height: 320px; left: -140px; position: absolute; top: -170px; width: 320px; }
.trust-card__copy { position: relative; z-index: 1; }
.trust-card .eyebrow { color: #a7a8ff; }
.trust-card__copy > p:last-child { color: #afb1c3; }
.principles { list-style: none; margin: 0; padding: 0; }
.principles li { border-top: 1px solid rgba(255, 255, 255, 0.13); display: grid; gap: 18px; grid-template-columns: 34px 1fr; padding: 21px 0; }
.principles li:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.13); }
.principles li > span { color: #9798ef; font-size: 10px; font-weight: 900; padding-top: 3px; }
.principles strong { font-size: 14px; }
.principles p { color: #aeb0c1; font-size: 11px; line-height: 1.65; margin: 5px 0 0; }

.final-cta { align-items: center; display: flex; justify-content: space-between; padding: 90px 24px 112px; }
.final-cta .eyebrow { margin-bottom: 15px; }

.site-footer { background: #eeeef5; border-top: 1px solid #e0e1ea; }
.site-footer__inner { align-items: flex-end; display: flex; justify-content: space-between; padding: 44px 24px 54px; }
.brand--footer .brand__mark { border-radius: 10px; box-shadow: none; height: 36px; width: 36px; }
.business-info { color: #858797; display: flex; flex-wrap: wrap; font-size: 10px; gap: 7px 16px; line-height: 1.7; margin-top: 16px; max-width: 710px; }
.business-info span { display: inline-flex; gap: 6px; }
.business-info address { display: flex; flex-basis: 100%; font-style: normal; gap: 6px; }
.business-info b { color: #6b6e80; font-weight: 750; white-space: nowrap; }
.business-info a { color: inherit; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 22px; justify-content: flex-end; }
.site-footer nav a { color: #6e7082; font-size: 10px; text-decoration: none; }
.site-footer nav a:hover { color: var(--primary); }
.site-footer__copyright { color: #9a9cac; font-size: 9px; margin: 0 auto; max-width: 1160px; padding: 0 24px 28px; }

@media (max-width: 900px) {
    .hero { gap: 36px; grid-template-columns: 1fr; padding-top: 76px; }
    .hero__content { max-width: 680px; }
    .hero-preview { margin: 0 auto; width: min(100%, 560px); }
    .section--steps { gap: 54px; grid-template-columns: 1fr; }
    .trust-card { gap: 50px; grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .site-header__inner { height: 66px; padding: 0 18px; }
    .brand__mark { border-radius: 11px; height: 39px; width: 39px; }
    .brand strong { font-size: 15px; }
    .brand small { font-size: 9px; }
    .site-nav a:not(:last-child) { display: none; }
    .site-nav a { font-size: 11px; }
    .hero { min-height: auto; padding: 64px 18px 70px; }
    .hero h1 { font-size: 40px; }
    .hero__description { font-size: 14px; }
    .hero__description br { display: none; }
    .hero__actions { align-items: stretch; flex-direction: column; }
    .button { width: 100%; }
    .hero-preview { min-height: 470px; }
    .preview-window { width: calc(100% - 24px); }
    .floating-chip { display: none; }
    .section { padding: 78px 18px; }
    .section--trust { padding-top: 22px; }
    .trust-card { border-radius: 24px; padding: 38px 24px; }
    .final-cta { align-items: stretch; flex-direction: column; gap: 34px; padding: 75px 18px 85px; }
    .site-footer__inner { align-items: flex-start; flex-direction: column; gap: 30px; padding: 38px 18px 46px; }
    .business-info { flex-direction: column; gap: 4px; }
    .business-info address { display: inline-flex; }
    .site-footer nav { flex-direction: column; gap: 12px; }
    .site-footer__copyright { padding: 0 18px 26px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .button { transition: none; }
}
