:root {
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-soft: #f5f5f5;
    --surface-strong: #050505;
    --text: #050505;
    --muted: #5f5f5f;
    --line: #dedede;
    --accent: #050505;
    --accent-dark: #050505;
    --green: #111111;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px min(5vw, 72px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(222, 222, 222, 0.9);
    backdrop-filter: blur(18px);
}

.logo {
    display: inline-flex;
    align-items: center;
}

.logo img {
    width: 150px;
    height: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
    color: var(--muted);
    font-size: 14px;
}

.nav-cta,
.button {
    border-radius: 999px;
    font-weight: 700;
}

.nav-cta {
    padding: 10px 16px;
    background: var(--surface-strong);
    color: #fff;
}

.section {
    padding: 96px min(5vw, 72px);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    gap: 64px;
    align-items: center;
    min-height: 760px;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--text);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

h1 {
    max-width: 900px;
    margin-bottom: 24px;
    font-size: clamp(48px, 8vw, 96px);
    line-height: 0.98;
    letter-spacing: -0.075em;
}

h2 {
    margin-bottom: 18px;
    font-size: clamp(32px, 4.5vw, 58px);
    line-height: 1.05;
    letter-spacing: -0.06em;
}

h3 {
    margin-bottom: 12px;
    font-size: 22px;
    letter-spacing: -0.04em;
}

h4 {
    margin: 0 0 10px;
    font-size: 22px;
    letter-spacing: -0.045em;
}

.hero-text {
    max-width: 680px;
    color: var(--muted);
    font-size: 22px;
}

.hero-subtext,
.section-note {
    max-width: 760px;
    color: var(--muted);
    font-size: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border: 0;
    cursor: pointer;
    font-size: 15px;
}

.button.primary {
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
}

.button.secondary {
    background: var(--surface);
    border: 1px solid var(--line);
}

.button.full {
    width: 100%;
}

.hero-panel {
    display: grid;
    gap: 12px;
    padding: 34px;
    background: var(--surface-strong);
    color: #fff;
    border-radius: 34px;
    box-shadow: var(--shadow);
}

.logo-panel {
    min-height: 390px;
    align-content: center;
    justify-items: center;
    background: #fff;
    color: var(--text);
    border: 1px solid var(--line);
}

.logo-panel img {
    width: min(360px, 100%);
}

.logo-panel p {
    max-width: 360px;
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-align: center;
}

.hero-panel span {
    color: #cfcfcf;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-panel strong {
    display: block;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 28px;
    line-height: 1.25;
    letter-spacing: -0.04em;
}

.hero-panel strong:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.section-heading {
    max-width: 820px;
    margin-bottom: 36px;
}

.section-heading.split {
    display: flex;
    max-width: none;
    gap: 24px;
    align-items: end;
    justify-content: space-between;
}

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

.metric-card {
    min-height: 260px;
    padding: 28px;
    background: var(--surface-strong);
    color: #fff;
    border-radius: 28px;
}

.metric-card span {
    display: block;
    margin-bottom: 42px;
    color: #d7d7d7;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.metric-card strong {
    display: block;
    margin-bottom: 14px;
    font-size: clamp(42px, 5vw, 70px);
    line-height: 0.95;
    letter-spacing: -0.07em;
}

.metric-card p {
    margin: 0;
    color: #d7d7d7;
}

.service-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 18px;
}

.service-group {
    display: grid;
    gap: 16px;
    padding: 28px;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 32px;
}

.service-primary {
    background: var(--surface-strong);
    color: #fff;
}

.service-primary .eyebrow,
.service-primary .service-card span,
.service-primary .service-card p {
    color: #d7d7d7;
}

.service-card {
    padding: 24px;
    background: #fff;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 24px;
}

.service-primary .service-card {
    background: #111;
    color: #fff;
    border-color: #2f2f2f;
}

.service-card span {
    display: block;
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.service-card p {
    margin-bottom: 0;
    color: var(--muted);
}

.comparison-stack {
    display: grid;
    gap: 18px;
}

.comparison-table {
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 30px;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.04);
}

.comparison-head,
.comparison-row {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) 180px 180px;
    gap: 0;
    align-items: stretch;
}

.comparison-head {
    background: var(--surface-strong);
    color: #fff;
}

.comparison-head > div:first-child {
    padding: 28px;
}

.comparison-head .eyebrow {
    color: #d7d7d7;
}

.comparison-options {
    display: contents;
}

.comparison-options strong {
    display: grid;
    min-height: 120px;
    padding: 20px;
    place-items: center;
    border-left: 1px solid #2b2b2b;
    font-size: 18px;
    line-height: 1.35;
    text-align: center;
}

.comparison-row {
    border-top: 1px solid var(--line);
}

.comparison-row p {
    margin: 0;
    padding: 20px 24px;
    color: var(--text);
    font-weight: 700;
}

.comparison-row small {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-weight: 500;
}

.check,
.dash {
    display: grid;
    place-items: center;
    border-left: 1px solid var(--line);
    font-size: 28px;
    font-weight: 900;
}

.dash {
    color: #b7b7b7;
}

.strategy-grid,
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.card,
.portfolio-card,
.review-card,
.inquiry-form {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: 0 16px 45px rgba(24, 32, 40, 0.06);
}

.card {
    min-height: 280px;
    padding: 28px;
}

.card-index {
    display: inline-flex;
    margin-bottom: 46px;
    color: var(--accent-dark);
    font-weight: 800;
}

.card p,
.portfolio-body p,
.process-list p,
.inquiry-copy p {
    color: var(--muted);
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tab {
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--muted);
    cursor: pointer;
    font-weight: 700;
}

.tab.active {
    background: var(--surface-strong);
    color: #fff;
}

.portfolio-card {
    overflow: hidden;
}

.portfolio-card.is-hidden {
    display: none;
}

.portfolio-placeholder {
    display: grid;
    min-height: 210px;
    place-items: center;
    background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.12), transparent 34%),
        linear-gradient(135deg, #050505, #303030);
    color: rgba(255, 255, 255, 0.78);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.portfolio-body {
    padding: 24px;
}

.tag-row,
.link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-row span,
.review-card span,
.metric {
    display: inline-flex;
    width: fit-content;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
}

.tag-row span {
    margin-bottom: 16px;
    padding: 6px 10px;
    background: var(--surface-soft);
    color: var(--text);
}

.metric {
    margin-top: 8px;
    padding: 7px 11px;
    background: var(--surface-soft);
    color: var(--green);
}

.link-row {
    margin-top: 18px;
    color: var(--text);
    font-weight: 800;
}

.text-button {
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
}

.testimonials {
    overflow: hidden;
}

.review-track {
    display: grid;
    grid-auto-columns: minmax(320px, 430px);
    grid-auto-flow: column;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 16px;
    scroll-snap-type: x mandatory;
}

.testimonial-placeholder {
    display: grid;
    grid-template-columns: minmax(180px, 0.35fr) minmax(320px, 1fr) minmax(180px, 0.35fr);
    gap: 18px;
    align-items: stretch;
}

.testimonial-copy,
.skeleton-card {
    min-height: 260px;
    border: 1px solid var(--line);
    border-radius: 28px;
}

.testimonial-copy {
    display: grid;
    align-content: center;
    padding: 34px;
    background: var(--surface-strong);
    color: #fff;
}

.testimonial-copy span {
    margin-bottom: 18px;
    color: #d7d7d7;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.16em;
}

.testimonial-copy p {
    max-width: 720px;
    margin: 0;
    font-size: clamp(24px, 3vw, 42px);
    line-height: 1.22;
    letter-spacing: -0.055em;
}

.skeleton-card {
    background:
        linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.75), transparent),
        var(--surface-soft);
    background-size: 180% 100%;
    animation: skeleton 1.8s infinite linear;
}

@keyframes skeleton {
    from {
        background-position: 180% 0;
    }

    to {
        background-position: -180% 0;
    }
}

.review-card {
    padding: 28px;
    scroll-snap-align: start;
}

.review-card span {
    margin-bottom: 24px;
    padding: 7px 11px;
    background: var(--surface-strong);
    color: #fff;
}

.review-card p {
    min-height: 120px;
    font-size: 20px;
    letter-spacing: -0.035em;
}

.review-card small {
    display: block;
    color: var(--muted);
}

.process-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
    padding: 0;
    list-style: none;
}

.policy-box {
    margin-top: 28px;
    padding: 28px;
    background: var(--surface-strong);
    color: #fff;
    border-radius: 28px;
}

.policy-box h3 {
    margin-bottom: 18px;
}

.policy-box p {
    margin-bottom: 10px;
    color: #d7d7d7;
}

.policy-box p:last-child {
    margin-bottom: 0;
}

.process-list li {
    padding: 24px;
    border-top: 2px solid var(--text);
}

.process-list span {
    display: inline-grid;
    width: 34px;
    height: 34px;
    margin-bottom: 34px;
    place-items: center;
    background: var(--text);
    color: #fff;
    border-radius: 50%;
    font-weight: 800;
}

.process-list strong {
    display: block;
    margin-bottom: 8px;
    font-size: 20px;
}

.inquiry-section {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
    gap: 48px;
    align-items: start;
}

.inquiry-form {
    display: grid;
    gap: 18px;
    padding: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.date-add-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
}

.selected-dates {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 42px;
    margin-top: 10px;
}

.date-chip {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    padding: 8px 10px;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
}

.date-chip button {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font: inherit;
}

label span,
legend {
    display: block;
    margin-bottom: 8px;
    font-weight: 800;
}

input,
textarea {
    width: 100%;
    padding: 14px 15px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    color: var(--text);
    font: inherit;
}

textarea {
    resize: vertical;
}

fieldset {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    border: 0;
}

.checkbox {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
}

.checkbox input {
    width: auto;
    margin-top: 6px;
}

.radio-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.checkbox span {
    margin: 0;
    font-weight: 600;
}

.alert {
    padding: 14px 16px;
    border-radius: 16px;
    font-weight: 700;
}

.alert.success {
    background: var(--surface-soft);
    color: var(--green);
}

.alert.error {
    background: var(--surface-soft);
    color: var(--accent-dark);
}

.form-footnote {
    margin: 0;
    padding: 16px;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 16px;
    color: var(--text);
    font-weight: 800;
}

.floating-cta {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 30;
    padding: 14px 18px;
    background: var(--accent);
    color: #fff;
    border-radius: 999px;
    box-shadow: var(--shadow);
    font-weight: 800;
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 30px min(5vw, 72px);
    color: var(--muted);
    border-top: 1px solid var(--line);
}

.modal-open {
    overflow: hidden;
}

.video-modal[hidden] {
    display: none;
}

.video-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: 24px;
}

.video-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.74);
}

.video-modal-panel {
    position: relative;
    z-index: 1;
    width: min(920px, 100%);
    padding: 20px;
    background: #fff;
    border-radius: 24px;
}

.modal-close {
    float: right;
    padding: 8px 12px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 800;
}

.video-frame {
    clear: both;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000;
    border-radius: 16px;
}

.video-frame iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.admin-body {
    background: #f7f7f7;
}

.admin-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 32px 0 80px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.admin-card {
    padding: 24px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 22px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.admin-table th,
.admin-table td {
    padding: 12px;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
    vertical-align: top;
}

.admin-table th {
    color: #475569;
    font-size: 12px;
    text-transform: uppercase;
}

.admin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.admin-form {
    display: grid;
    gap: 14px;
}

.admin-form .form-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.danger {
    color: #b42318;
    font-weight: 800;
}

@media (max-width: 980px) {
    .hero,
    .inquiry-section,
    .section-heading.split,
    .service-layout {
        grid-template-columns: 1fr;
        display: grid;
    }

    .strategy-grid,
    .metric-grid,
    .portfolio-grid,
    .process-list {
        grid-template-columns: 1fr 1fr;
    }

    .comparison-head,
    .comparison-row {
        grid-template-columns: minmax(220px, 1fr) 140px 140px;
    }

    .testimonial-placeholder {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .site-header {
        align-items: flex-start;
        gap: 14px;
    }

    .nav {
        justify-content: flex-end;
        gap: 10px;
        font-size: 13px;
    }

    .nav a:not(.nav-cta) {
        display: none;
    }

    .section {
        padding: 72px 20px;
    }

    .hero {
        min-height: auto;
    }

    .strategy-grid,
    .metric-grid,
    .portfolio-grid,
    .process-list,
    .form-row,
    .date-add-row,
    .radio-row,
    .admin-form .form-row {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        overflow-x: auto;
    }

    .comparison-head,
    .comparison-row {
        min-width: 680px;
    }

    .logo img {
        width: 120px;
    }

    .footer {
        flex-direction: column;
    }
}