:root {
    --navy: #071b30;
    --navy-soft: #102f49;
    --blue: #3182f6;
    --green: #03c75a;
    --mint: #00b8a9;
    --kakao: #fee500;
    --canvas: #f5f8fa;
    --surface: #ffffff;
    --text: #102a3f;
    --body: #40576a;
    --muted: #718394;
    --line: #dce6eb;
    --blue-soft: #edf5ff;
    --green-soft: #ecfbf3;
    --mint-soft: #eaf9f7;
    --shadow: 0 22px 60px rgba(7, 27, 48, .10);
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    margin: 0;
    overflow-x: hidden;
    background: var(--canvas);
    color: var(--text);
    font: 16px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Pretendard", "Malgun Gothic", sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
    outline: 3px solid rgba(49, 130, 246, .42);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    top: -80px;
    left: 16px;
    z-index: 100;
    padding: 10px 15px;
    border-radius: 10px;
    background: #fff;
    text-decoration: none;
    font-weight: 800;
}

.skip-link:focus { top: 12px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    border-bottom: 1px solid rgba(220, 230, 235, .82);
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(18px);
}

.header-inner {
    display: flex;
    align-items: center;
    width: min(1180px, calc(100% - 40px));
    min-height: 72px;
    margin: 0 auto;
    gap: 30px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    flex-shrink: 0;
    color: var(--navy);
    text-decoration: none;
}

.brand img {
    border-radius: 12px;
    box-shadow: 0 7px 18px rgba(7, 27, 48, .17);
}

.brand > span {
    display: grid;
    line-height: 1.05;
}

.brand strong {
    color: var(--green);
    font-size: 10px;
    letter-spacing: .04em;
}

.brand b {
    margin-top: 4px;
    font-size: 16px;
}

.header-inner nav {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: auto;
}

.header-inner nav a {
    color: var(--body);
    font-size: 13px;
    font-weight: 750;
    text-decoration: none;
}

.header-inner nav a:hover { color: var(--blue); }

.header-consult {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 17px;
    border-radius: 12px;
    background: var(--navy);
    color: #fff;
    font-size: 13px;
    font-weight: 850;
    text-decoration: none;
}

.hero {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(145deg, #fbfefd 0%, #f3fbf7 47%, #eef6ff 100%);
}

.hero-shape {
    position: absolute;
    border-radius: 999px;
    filter: blur(4px);
    pointer-events: none;
}

.hero-shape-one {
    top: -190px;
    right: -140px;
    width: 500px;
    height: 500px;
    background: rgba(49, 130, 246, .10);
}

.hero-shape-two {
    bottom: -220px;
    left: -170px;
    width: 450px;
    height: 450px;
    background: rgba(3, 199, 90, .09);
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(500px, 1.08fr);
    align-items: center;
    gap: 64px;
    width: min(1180px, calc(100% - 40px));
    min-height: 675px;
    margin: 0 auto;
    padding: 82px 0 96px;
}

.eyebrow,
.section-heading > p,
.mini-title,
.trust-panel > div:nth-child(2) > p,
.final-consult > p {
    margin: 0 0 12px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .06em;
}

.hero h1 {
    max-width: 610px;
    margin: 0;
    color: var(--navy);
    font-size: clamp(45px, 5vw, 66px);
    line-height: 1.13;
    letter-spacing: -.052em;
    text-wrap: balance;
    word-break: keep-all;
}

.hero-description {
    max-width: 610px;
    margin: 24px 0 0;
    color: var(--body);
    font-size: 18px;
    line-height: 1.82;
    word-break: keep-all;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 31px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 850;
    line-height: 1.3;
    text-align: center;
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(7, 27, 48, .14);
}

.button-kakao {
    background: var(--kakao);
    color: #251f00;
}

.button-kakao span { margin-right: 7px; }

.button-light {
    border-color: var(--line);
    background: #fff;
    color: var(--navy);
}

.hero-helper {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 13px;
    font-weight: 650;
    word-break: keep-all;
}

.hero-preview { position: relative; }

.hero-preview::before {
    position: absolute;
    inset: 12% -5% -5% 10%;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(3, 199, 90, .17), rgba(49, 130, 246, .22));
    content: "";
    filter: blur(35px);
}

.preview-window {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 25px;
    background: #fff;
    box-shadow: var(--shadow);
}

.preview-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    padding: 0 19px;
    border-bottom: 1px solid var(--line);
}

.preview-top > div {
    display: flex;
    align-items: center;
    gap: 9px;
}

.preview-top img { border-radius: 9px; }
.preview-top strong { font-size: 12px; }

.preview-top > span {
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--mint-soft);
    color: #087f74;
    font-size: 10px;
    font-weight: 850;
}

.preview-content { padding: 20px; }

.preview-title {
    margin: 0 0 12px;
    font-size: 14px;
    font-weight: 850;
}

.source-options {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.source-options > div {
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 83px;
    padding: 11px;
    border: 1px solid var(--line);
    border-radius: 14px;
}

.source-options > div.selected {
    border: 2px solid var(--mint);
    background: #f1fbf9;
}

.source-options i,
.card-icon,
.how-icon,
.separation-grid article > div > span {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 11px;
    color: #fff;
    font-style: normal;
    font-weight: 900;
}

.source-options i {
    width: 31px;
    height: 31px;
    font-size: 12px;
}

.source-options span {
    display: grid;
    min-width: 0;
}

.source-options b { font-size: 11px; }

.source-options small {
    overflow: hidden;
    margin-top: 2px;
    color: var(--muted);
    font-size: 9px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.naver-color, .green-icon { background: var(--green); }
.toss-color, .blue-icon { background: var(--blue); }
.both-color, .dark-icon { background: var(--navy); }
.mint-icon { background: var(--mint); }
.threads-icon { background: #111; }
.gradient-icon { background: linear-gradient(135deg, var(--green), var(--blue)); }

.product-list {
    overflow: hidden;
    margin-top: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
}

.product-list-head, .product-row {
    display: grid;
    align-items: center;
}

.product-list-head {
    grid-template-columns: 1fr auto;
    padding: 10px 13px;
    background: #f6f9fa;
    font-size: 11px;
}

.product-list-head span {
    color: var(--blue);
    font-weight: 850;
}

.product-row {
    grid-template-columns: 9px minmax(0, 1fr) 105px;
    gap: 8px;
    min-height: 42px;
    padding: 0 13px;
    border-top: 1px solid #edf2f5;
    font-size: 10px;
}

.product-row b {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-row em {
    color: var(--body);
    font-style: normal;
    text-align: right;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.naver-bg { background: var(--green); }
.toss-bg { background: var(--blue); }
.mint-bg { background: var(--mint); }

.preview-notice {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 12px;
    padding: 11px 13px;
    border-radius: 12px;
    background: var(--navy);
    color: #fff;
}

.preview-notice strong {
    flex: 0 0 auto;
    color: #70f0c1;
    font-size: 10px;
}

.preview-notice span {
    color: #cfdae2;
    font-size: 9px;
}

.quick-facts {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: min(1040px, calc(100% - 40px));
    margin: -38px auto 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(7, 27, 48, .08);
}

.quick-facts > div {
    display: grid;
    justify-items: center;
    padding: 20px 15px;
    text-align: center;
}

.quick-facts > div + div { border-left: 1px solid var(--line); }
.quick-facts strong { font-size: 14px; }

.quick-facts span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 11px;
}

.section {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 112px 0;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 44px;
}

.section-heading.centered {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.section-heading h2,
.audience-panel h2,
.trust-panel h2,
.final-consult h2 {
    margin: 0;
    color: var(--navy);
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.24;
    letter-spacing: -.042em;
    text-wrap: balance;
    word-break: keep-all;
}

.section-heading > span,
.audience-panel > div > span,
.final-consult > span {
    display: block;
    margin-top: 16px;
    color: var(--muted);
    font-size: 16px;
    word-break: keep-all;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.benefit-card {
    display: flex;
    flex-direction: column;
    min-height: 285px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
}

.benefit-card.featured {
    grid-column: span 2;
    background: linear-gradient(145deg, #fff, #f4fbf8);
}

.benefit-card.soft-feature { background: linear-gradient(145deg, #fff, #f1f7ff); }

.card-icon, .how-icon {
    width: 48px;
    height: 48px;
    font-size: 19px;
}

.benefit-card > div { margin-top: auto; }

.benefit-card p {
    margin: 28px 0 4px;
    color: var(--blue);
    font-size: 11px;
    font-weight: 900;
}

.benefit-card h3 {
    margin: 0 0 10px;
    font-size: 21px;
    line-height: 1.35;
    letter-spacing: -.025em;
    word-break: keep-all;
}

.benefit-card div > span {
    display: block;
    color: var(--body);
    font-size: 14px;
    word-break: keep-all;
}

.how-section { padding-top: 40px; }

.how-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 15px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.how-grid li {
    position: relative;
    min-height: 295px;
    padding: 25px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
}

.how-grid .number {
    position: absolute;
    top: 7px;
    right: 18px;
    color: #edf2f5;
    font-size: 55px;
    font-weight: 950;
}

.how-grid h3 {
    margin: 48px 0 8px;
    font-size: 22px;
    letter-spacing: -.025em;
}

.how-grid p {
    margin: 0;
    color: var(--body);
    word-break: keep-all;
}

.separation-section { background: var(--navy); }
.separation-inner { color: #fff; }
.light-heading h2 { color: #fff; }
.light-heading > span { color: #b9c9d6; }

.separation-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.separation-grid article {
    min-height: 270px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 22px;
    background: rgba(255, 255, 255, .055);
}

.separation-grid article > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.separation-grid article > div > span {
    width: 42px;
    height: 42px;
    font-size: 15px;
}

.separation-grid small {
    color: #91a9ba;
    font-size: 11px;
    font-weight: 850;
}

.separation-grid h3 {
    margin: 42px 0 12px;
    font-size: 23px;
    letter-spacing: -.025em;
}

.separation-grid p {
    margin: 0;
    color: #c8d6df;
    font-size: 14px;
    word-break: keep-all;
}

.separation-result {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.separation-result span {
    padding: 8px 13px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 999px;
    background: rgba(255, 255, 255, .06);
    color: #d6e1e8;
    font-size: 11px;
}

.separation-result i {
    color: #66869d;
    font-style: normal;
}

.audience-section { padding-bottom: 30px; }

.audience-panel {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    align-items: center;
    gap: 70px;
    padding: 54px;
    border: 1px solid #cee5df;
    border-radius: 28px;
    background: linear-gradient(125deg, var(--green-soft), var(--blue-soft));
}

.audience-panel h2 { font-size: 38px; }

.audience-panel ul {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.audience-panel li {
    display: flex;
    align-items: center;
    gap: 11px;
    min-height: 54px;
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, .9);
    border-radius: 14px;
    background: rgba(255, 255, 255, .72);
    color: var(--body);
    font-size: 14px;
    font-weight: 700;
    word-break: keep-all;
}

.audience-panel li span {
    color: var(--green);
    font-weight: 950;
}

.trust-section { padding-top: 70px; }

.trust-panel {
    display: grid;
    grid-template-columns: auto minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 30px;
    padding: 42px;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: #fff;
}

.trust-mark {
    display: grid;
    place-items: center;
    width: 66px;
    height: 66px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--green), var(--blue));
    color: #fff;
    font-size: 33px;
    font-weight: 950;
}

.trust-panel h2 { font-size: 30px; }

.trust-items {
    display: grid;
    gap: 12px;
}

.trust-items p {
    display: grid;
    margin: 0;
    padding-left: 17px;
    border-left: 3px solid var(--mint);
}

.trust-items strong { font-size: 13px; }

.trust-items span {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12px;
    word-break: keep-all;
}

.faq-section { padding-top: 70px; }

.faq-list {
    max-width: 850px;
    margin: 0 auto;
}

.faq-list details {
    margin-bottom: 10px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
}

.faq-list summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 62px;
    padding: 14px 20px;
    cursor: pointer;
    font-weight: 800;
    list-style: none;
    word-break: keep-all;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary span {
    flex: 0 0 auto;
    color: var(--blue);
    font-size: 22px;
    transition: transform .18s ease;
}

.faq-list details[open] summary span { transform: rotate(45deg); }

.faq-list details p {
    margin: 0;
    padding: 0 20px 20px;
    color: var(--body);
    word-break: keep-all;
}

.final-consult {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 66px;
    text-align: center;
}

.final-consult > img {
    border-radius: 24px;
    box-shadow: 0 16px 34px rgba(7, 27, 48, .18);
}

.final-consult > p { margin-top: 21px; }
.final-consult h2 { max-width: 730px; }
.final-consult > span { max-width: 640px; }
.final-consult .button { margin-top: 27px; }

.legal-note {
    width: min(920px, calc(100% - 40px));
    margin: -44px auto 80px;
    padding: 18px 22px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: #eef3f5;
}

.legal-note p {
    margin: 0;
    color: var(--muted);
    font-size: 11px;
    text-align: center;
    word-break: keep-all;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: #fff;
}

.footer-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 28px;
    width: min(1180px, calc(100% - 40px));
    min-height: 112px;
    margin: 0 auto;
}

.footer-brand img { border-radius: 10px; }

.footer-inner > p {
    margin: 0;
    color: var(--muted);
    font-size: 11px;
}

.footer-inner nav {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.footer-inner nav a {
    color: var(--muted);
    font-size: 11px;
    font-weight: 750;
    text-decoration: none;
}

.mobile-consult { display: none; }

@media (max-width: 1040px) {
    .header-inner nav { display: none; }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 52px;
        padding-top: 72px;
    }

    .hero-copy { text-align: center; }

    .hero h1,
    .hero-description { margin-right: auto; margin-left: auto; }

    .hero-actions { justify-content: center; }

    .hero-preview {
        width: min(700px, 100%);
        margin: 0 auto;
    }

    .benefit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .benefit-card.featured { grid-column: span 1; }
    .trust-panel { grid-template-columns: auto 1fr; }
    .trust-items { grid-column: 1 / -1; }
}

@media (max-width: 740px) {
    html { scroll-padding-top: 74px; }

    body { padding-bottom: calc(78px + env(safe-area-inset-bottom)); }

    .header-inner {
        width: calc(100% - 32px);
        min-height: 66px;
        gap: 16px;
    }

    .brand img { width: 38px; height: 38px; }
    .brand b { font-size: 15px; }

    .header-consult {
        min-height: 40px;
        margin-left: auto;
        padding: 0 14px;
    }

    .hero-inner,
    .section,
    .footer-inner { width: calc(100% - 32px); }

    .hero-inner {
        min-height: 0;
        padding: 54px 0 78px;
        gap: 42px;
    }

    .eyebrow { margin-bottom: 10px; font-size: 11px; }

    .hero h1 {
        font-size: clamp(37px, 11vw, 47px);
        line-height: 1.17;
    }

    .hero-description {
        margin-top: 20px;
        font-size: 16px;
        line-height: 1.78;
    }

    .hero-actions { flex-direction: column; }
    .hero-actions .button { width: 100%; }
    .hero-helper { font-size: 12px; }
    .preview-top { min-height: 58px; padding: 0 14px; }
    .preview-top > span { font-size: 9px; }
    .preview-content { padding: 14px; }
    .source-options { grid-template-columns: 1fr; }
    .source-options > div { min-height: 62px; }
    .source-options small { white-space: normal; }
    .product-row { grid-template-columns: 9px minmax(0, 1fr) 92px; }

    .preview-notice {
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
    }

    .quick-facts {
        grid-template-columns: 1fr;
        width: calc(100% - 32px);
        margin-top: -34px;
    }

    .quick-facts > div { padding: 16px 12px; }

    .quick-facts > div + div {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .section { padding: 78px 0; }
    .section-heading { margin-bottom: 32px; }

    .section-heading h2,
    .final-consult h2 {
        font-size: 34px;
        line-height: 1.28;
    }

    .section-heading > span,
    .audience-panel > div > span,
    .final-consult > span { font-size: 15px; }

    .benefit-grid,
    .how-grid,
    .separation-grid { grid-template-columns: 1fr; }

    .benefit-card {
        min-height: 250px;
        padding: 21px;
    }

    .how-section { padding-top: 12px; }

    .how-grid li {
        min-height: 255px;
        padding: 22px;
    }

    .separation-grid article {
        min-height: 240px;
        padding: 22px;
    }

    .separation-grid h3 { margin-top: 32px; }

    .separation-result {
        align-items: stretch;
        flex-direction: column;
    }

    .separation-result span { text-align: center; }

    .separation-result i {
        line-height: 1;
        text-align: center;
        transform: rotate(90deg);
    }

    .audience-section { padding-bottom: 12px; }

    .audience-panel {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 28px 22px;
        border-radius: 23px;
    }

    .audience-panel h2 { font-size: 31px; }
    .audience-panel li { align-items: flex-start; }
    .trust-section { padding-top: 56px; }

    .trust-panel {
        grid-template-columns: 1fr;
        gap: 22px;
        padding: 26px 22px;
    }

    .trust-mark { width: 58px; height: 58px; }
    .trust-panel h2 { font-size: 28px; }
    .trust-items { grid-column: auto; }

    .faq-list summary {
        align-items: flex-start;
        padding: 16px;
    }

    .faq-list details p { padding: 0 16px 18px; font-size: 14px; }
    .final-consult { padding-top: 54px; }
    .final-consult > img { width: 74px; height: 74px; }
    .final-consult .button { width: 100%; }

    .legal-note {
        width: calc(100% - 32px);
        margin-top: -26px;
        margin-bottom: 60px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 13px;
        padding: 27px 0;
    }

    .footer-inner nav { gap: 15px; }

    .mobile-consult {
        position: fixed;
        right: 16px;
        bottom: calc(14px + env(safe-area-inset-bottom));
        left: 16px;
        z-index: 50;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 54px;
        border-radius: 15px;
        background: var(--kakao);
        box-shadow: 0 15px 35px rgba(7, 27, 48, .22);
        color: #251f00;
        font-size: 15px;
        font-weight: 900;
        text-decoration: none;
    }

    .mobile-consult span { margin-right: 7px; }
}

@media (max-width: 380px) {
    .header-consult { padding: 0 11px; font-size: 12px; }
    .hero h1 { font-size: 35px; }
    .product-row { grid-template-columns: 8px minmax(0, 1fr); }
    .product-row em { display: none; }
}

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