:root {
    --dp-ink: #070917;
    --dp-night: #101333;
    --dp-navy: #171a42;
    --dp-panel: rgba(255, 255, 255, 0.075);
    --dp-panel-strong: rgba(255, 255, 255, 0.12);
    --dp-line: rgba(248, 238, 230, 0.14);
    --dp-cream: #f8eee8;
    --dp-muted: #c7c4d7;
    --dp-soft: #a8aac5;
    --dp-blue: #1683ff;
    --dp-green: #6ec985;
    --dp-green-dark: #1d4038;
    --dp-warning: #ffdf9a;
    --dp-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dp-cream);
    background:
        linear-gradient(180deg, rgba(9, 11, 30, 0.58) 0%, rgba(9, 11, 30, 0.98) 46%),
        linear-gradient(135deg, #070917 0%, #151840 48%, #091022 100%);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(248, 238, 230, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(248, 238, 230, 0.035) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 72%);
}

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

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

.page-shell {
    position: relative;
    overflow: hidden;
}

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

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 82px;
    padding-right: 166px;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--dp-cream);
    font-weight: 800;
    font-size: 1.05rem;
}

.brand-link img {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.32);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--dp-muted);
    font-size: 0.92rem;
    font-weight: 700;
}

.nav-links a {
    padding: 8px 0;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-links a:hover {
    color: var(--dp-cream);
    border-color: var(--dp-green);
}

.hero {
    min-height: 760px;
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.8fr);
    gap: 56px;
    align-items: center;
    padding: 28px 0 56px;
}

.hero-copy {
    max-width: 720px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 22px;
    color: var(--dp-green);
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 34px;
    height: 2px;
    background: var(--dp-green);
}

.hero-title {
    margin: 0;
    color: var(--dp-cream);
    font-size: 4.3rem;
    line-height: 1.08;
    font-weight: 900;
    letter-spacing: 0;
}

.hero-title span,
.hero-title strong {
    display: block;
}

.hero-title strong {
    margin-top: 18px;
    color: var(--dp-cream);
    font-size: 4.85rem;
}

.hero-lead {
    max-width: 640px;
    margin: 30px 0 0;
    color: var(--dp-muted);
    font-size: 1.18rem;
    line-height: 1.82;
    font-weight: 700;
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    padding: 0 20px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 0.98rem;
    font-weight: 900;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button svg {
    width: 19px;
    height: 19px;
}

.button-primary {
    background: var(--dp-blue);
    color: #fff;
    box-shadow: 0 16px 34px rgba(22, 131, 255, 0.32);
}

.button-secondary {
    background: rgba(248, 238, 230, 0.08);
    border-color: var(--dp-line);
    color: var(--dp-cream);
}

.button:hover {
    transform: translateY(-2px);
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 38px;
}

.meta-item {
    min-height: 92px;
    padding: 16px;
    border: 1px solid var(--dp-line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.055);
}

.meta-item strong {
    display: block;
    color: var(--dp-cream);
    font-size: 1.22rem;
    line-height: 1.2;
    margin-bottom: 8px;
}

.meta-item span {
    color: var(--dp-soft);
    font-size: 0.86rem;
    line-height: 1.45;
}

.hero-visual {
    position: relative;
    min-height: 660px;
}

.hero-poster {
    position: absolute;
    right: 0;
    bottom: 0;
    width: min(480px, 82vw);
    height: 640px;
    overflow: hidden;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(248, 238, 230, 0.14);
    box-shadow: var(--dp-shadow);
}

.hero-poster::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(8, 9, 24, 0.05) 66%, rgba(8, 9, 24, 0.48) 100%);
}

.hero-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.signal-panel {
    position: absolute;
    left: 0;
    bottom: 96px;
    width: 250px;
    padding: 18px;
    border-radius: 8px;
    border: 1px solid var(--dp-line);
    background: rgba(8, 10, 29, 0.78);
    backdrop-filter: blur(16px);
}

.signal-panel span {
    display: block;
    color: var(--dp-soft);
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.signal-panel strong {
    display: block;
    color: var(--dp-cream);
    font-size: 1.02rem;
    line-height: 1.45;
}

.landing-section {
    padding: 94px 0;
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1fr);
    gap: 40px;
    align-items: end;
    margin-bottom: 34px;
}

.section-kicker {
    margin: 0 0 12px;
    color: var(--dp-green);
    font-size: 0.82rem;
    font-weight: 900;
    text-transform: uppercase;
}

.section-heading h2 {
    margin: 0;
    color: var(--dp-cream);
    font-size: 2.45rem;
    line-height: 1.22;
    letter-spacing: 0;
}

.section-heading p {
    margin: 0;
    color: var(--dp-muted);
    font-size: 1.05rem;
    line-height: 1.8;
    font-weight: 600;
}

.overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
    gap: 16px;
}

.overview-copy,
.workflow-card,
.feature-card,
.faq-item,
.contact-panel {
    border: 1px solid var(--dp-line);
    border-radius: 8px;
    background: var(--dp-panel);
}

.overview-copy {
    padding: 30px;
    color: var(--dp-muted);
    font-size: 1.04rem;
    line-height: 1.88;
    font-weight: 600;
}

.workflow-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.workflow-card {
    padding: 20px;
}

.workflow-card span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-bottom: 12px;
    border-radius: 8px;
    background: rgba(110, 201, 133, 0.12);
    color: var(--dp-green);
    font-size: 0.82rem;
    font-weight: 900;
}

.workflow-card strong {
    display: block;
    color: var(--dp-cream);
    font-size: 1rem;
    margin-bottom: 6px;
}

.workflow-card p {
    margin: 0;
    color: var(--dp-soft);
    font-size: 0.9rem;
    line-height: 1.62;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.feature-card {
    min-height: 162px;
    padding: 20px;
}

.feature-card small {
    display: block;
    color: var(--dp-green);
    font-size: 0.74rem;
    font-weight: 900;
    margin-bottom: 18px;
}

.feature-card div {
    color: var(--dp-soft);
    font-size: 0.94rem;
    line-height: 1.62;
}

.feature-card strong {
    display: block;
    color: var(--dp-cream);
    font-size: 1.03rem;
    line-height: 1.38;
    margin-bottom: 8px;
}

.showcase {
    background: rgba(255, 255, 255, 0.035);
    border-top: 1px solid var(--dp-line);
    border-bottom: 1px solid var(--dp-line);
}

.screen-grid {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    overflow-x: scroll;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 2px;
    scroll-snap-type: x mandatory;
    padding: 0 2px 18px;
    scrollbar-color: rgba(248, 238, 230, 0.34) rgba(248, 238, 230, 0.08);
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.screen-grid::-webkit-scrollbar {
    height: 10px;
}

.screen-grid::-webkit-scrollbar-track {
    background: rgba(248, 238, 230, 0.08);
    border-radius: 999px;
}

.screen-grid::-webkit-scrollbar-thumb {
    background: rgba(248, 238, 230, 0.34);
    border-radius: 999px;
}

.screen-grid::-webkit-scrollbar-thumb:hover {
    background: rgba(248, 238, 230, 0.52);
}

.screen-card {
    position: relative;
    flex: 0 0 clamp(340px, 31vw, 430px);
    overflow: hidden;
    margin: 0;
    border-radius: 8px;
    border: 1px solid var(--dp-line);
    background: rgba(0, 0, 0, 0.22);
    scroll-snap-align: start;
}

.screen-card img {
    width: 100%;
    height: auto;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.03);
}

.screen-card figcaption {
    margin: 0;
    padding: 16px 18px;
    background: rgba(6, 8, 24, 0.82);
    color: var(--dp-cream);
    font-size: 1rem;
    font-weight: 900;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.faq-item {
    padding: 22px;
}

.faq-q {
    display: block;
    color: var(--dp-cream);
    font-size: 1rem;
    font-weight: 900;
    margin-bottom: 10px;
}

.faq-a {
    color: var(--dp-soft);
    font-size: 0.94rem;
    line-height: 1.7;
}

.contact-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    padding: 28px;
    background: linear-gradient(135deg, rgba(22, 131, 255, 0.16), rgba(110, 201, 133, 0.1));
}

.contact-panel h2 {
    margin: 0 0 10px;
    color: var(--dp-cream);
    font-size: 1.9rem;
    letter-spacing: 0;
}

.contact-panel p {
    margin: 0;
    color: var(--dp-muted);
    line-height: 1.72;
}

.contact-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.landing-footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 34px 0 46px;
    color: var(--dp-soft);
    border-top: 1px solid var(--dp-line);
    font-size: 0.88rem;
}

@media (max-width: 980px) {
    .hero,
    .section-heading,
    .overview-grid,
    .contact-panel {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding-top: 46px;
    }

    .hero-title,
    .hero-title strong {
        font-size: 3.75rem;
    }

    .hero-visual {
        min-height: 620px;
    }

    .hero-poster {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        height: 600px;
    }

    .signal-panel {
        left: calc(50% - 280px);
    }

    .feature-grid,
    .faq-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .landing-nav,
    .landing-section,
    .landing-footer {
        width: min(100% - 28px, 1180px);
    }

    .landing-nav {
        align-items: flex-start;
        flex-direction: column;
        padding-top: 18px;
        padding-bottom: 18px;
        padding-right: 0;
    }

    .nav-links {
        width: 100%;
        gap: 14px;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .hero-title,
    .hero-title strong {
        font-size: 2.72rem;
    }

    .hero-lead {
        font-size: 1.02rem;
    }

    .hero-meta,
    .feature-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 550px;
    }

    .hero-poster {
        width: min(340px, 86vw);
        height: 500px;
    }

    .signal-panel {
        left: 10px;
        bottom: 58px;
        width: min(236px, 68vw);
    }

    .landing-section {
        padding: 68px 0;
    }

    .section-heading h2 {
        font-size: 2rem;
    }

    .overview-copy {
        padding: 22px;
    }

    .screen-grid {
        gap: 14px;
        padding-bottom: 16px;
    }

    .screen-card {
        flex-basis: min(82vw, 340px);
    }

    .contact-actions {
        justify-content: flex-start;
    }

    .landing-footer {
        flex-direction: column;
    }
}

@media (max-width: 420px) {
    .button {
        width: 100%;
    }

    .hero-title,
    .hero-title strong {
        font-size: 2.25rem;
    }

    .hero-poster {
        width: min(310px, 88vw);
        height: 460px;
    }

    .screen-card {
        flex-basis: min(86vw, 310px);
    }
}