:root {
    --canvas: #fcfbf9;
    --surface: #ffffff;
    --surface-soft: #f6f1e7;
    --ink: #141615;
    --muted: #66706b;
    --line: #e8e0cf;
    --orange: #ff6600;
    --orange-soft: #fff1e8;
    --forest: #08342e;
    --lime: #d1fe59;
    --lime-soft: #f1f8d8;
    --radius-sm: 14px;
    --radius-md: 24px;
    --radius-lg: 38px;
    --shadow: 0 24px 70px rgba(20, 22, 21, 0.09);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--canvas);
    font-family: "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
    line-height: 1.65;
    word-break: keep-all;
}

body.menu-open {
    overflow: hidden;
}

a {
    color: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1000;
    padding: 10px 14px;
    color: var(--surface);
    background: var(--ink);
    border-radius: 10px;
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(232, 224, 207, 0.8);
    background: rgba(252, 251, 249, 0.92);
    backdrop-filter: blur(18px);
}

.nav {
    width: min(1180px, calc(100% - 40px));
    min-height: 74px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    flex: 0 0 auto;
    color: var(--ink);
    font-size: 1.55rem;
    font-weight: 900;
    letter-spacing: -0.06em;
    text-decoration: none;
}

.brand span {
    color: var(--orange);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-links a {
    display: block;
    padding: 10px 12px;
    color: #3e4541;
    border-radius: 12px;
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--forest);
    background: var(--lime-soft);
    outline: none;
}

.nav-links a[aria-current="page"] {
    color: var(--forest);
    background: var(--lime-soft);
}

.nav-download {
    color: var(--lime) !important;
    background: var(--forest) !important;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 0;
    color: var(--ink);
    background: transparent;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px 0;
    background: currentColor;
    transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-7px) rotate(-45deg);
}

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

.hero {
    position: relative;
    overflow: hidden;
    padding: 78px 0 92px;
}

.hero::before {
    position: absolute;
    top: -220px;
    right: -170px;
    width: 560px;
    height: 560px;
    border: 96px solid var(--lime);
    border-radius: 50%;
    opacity: 0.45;
    content: "";
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
    align-items: center;
    gap: 74px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 18px;
    color: var(--forest);
    font-size: 0.83rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 22px;
    height: 8px;
    background: var(--lime);
    border-radius: 99px;
    content: "";
}

.hero h1,
.page-hero h1 {
    max-width: 790px;
    margin: 0;
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.045em;
    line-height: 1.3;
}

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

.hero-copy,
.page-hero-copy {
    max-width: 650px;
    margin: 26px 0 0;
    color: var(--muted);
    font-size: clamp(1.03rem, 1.7vw, 1.2rem);
}

.hero-actions,
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.button {
    min-height: 52px;
    padding: 14px 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: 15px;
    font-weight: 900;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(20, 22, 21, 0.14);
    outline: none;
}

.button-primary {
    color: var(--lime);
    background: var(--forest);
}

.button-secondary {
    color: var(--ink);
    background: var(--surface);
    border-color: var(--line);
}

.button-light {
    color: var(--forest);
    background: var(--lime);
}

.hero-note {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.phone-stage {
    position: relative;
    min-height: 540px;
    display: grid;
    place-items: center;
}

.phone-stage::before {
    position: absolute;
    inset: 7% 4% 3%;
    background: var(--forest);
    border-radius: 48% 52% 47% 53% / 44% 38% 62% 56%;
    transform: rotate(-5deg);
    content: "";
}

.phone-frame {
    position: relative;
    width: min(270px, 68vw);
    aspect-ratio: 9 / 19.4;
    padding: 11px;
    border: 4px solid var(--ink);
    border-radius: 46px;
    background: var(--ink);
    box-shadow: var(--shadow);
}

.phone-frame::before {
    position: absolute;
    top: 18px;
    left: 50%;
    z-index: 2;
    width: 76px;
    height: 22px;
    background: var(--ink);
    border-radius: 99px;
    transform: translateX(-50%);
    content: "";
}

.app-screenshot {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: top center;
    background: #fff;
}

.phone-frame > .app-screenshot {
    border-radius: 32px;
}

.screenshot-placeholder {
    height: 100%;
    min-height: 300px;
    padding: 34px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: var(--forest);
    background:
        linear-gradient(155deg, rgba(209, 254, 89, 0.72), rgba(255, 255, 255, 0.92) 48%, rgba(255, 102, 0, 0.14));
    border: 1px dashed rgba(8, 52, 46, 0.32);
    border-radius: 32px;
    text-align: center;
}

.screenshot-placeholder::before {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    color: var(--lime);
    background: var(--forest);
    border-radius: 18px;
    font-size: 1.35rem;
    font-weight: 900;
    content: "+";
}

.screenshot-placeholder strong {
    font-size: 1rem;
}

.screenshot-placeholder small {
    max-width: 190px;
    color: var(--muted);
    font-size: 0.76rem;
}

.section {
    padding: 104px 0;
    scroll-margin-top: 74px;
}

.section-alt {
    background: var(--surface);
}

.section-dark {
    color: var(--surface);
    background: var(--forest);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 46px;
}

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

.section-heading h2 {
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: -0.045em;
    line-height: 1.3;
}

.section-heading p {
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 1.06rem;
}

.section-dark .section-heading p {
    color: rgba(255, 255, 255, 0.7);
}

.step-grid,
.feature-grid,
.stat-grid {
    display: grid;
    gap: 18px;
}

.step-grid {
    grid-template-columns: repeat(4, 1fr);
}

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

.stat-grid {
    grid-template-columns: repeat(3, 1fr);
}

.step-card,
.feature-card,
.stat-card {
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: var(--radius-md);
}

.step-card {
    min-height: 270px;
    padding: 26px;
    display: flex;
    flex-direction: column;
}

.step-number,
.feature-kicker {
    color: var(--orange);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.step-card h3,
.feature-card h3,
.stat-card h3 {
    margin: auto 0 10px;
    font-size: 1.28rem;
    letter-spacing: -0.035em;
}

.step-card p,
.feature-card p,
.stat-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
}

.feature-card {
    min-height: 250px;
    padding: 32px;
}

.feature-card h3 {
    margin: 36px 0 12px;
    font-size: 1.5rem;
}

.feature-card-accent {
    color: var(--surface);
    background: var(--forest);
    border-color: var(--forest);
}

.feature-card-accent p {
    color: rgba(255, 255, 255, 0.72);
}

.feature-card-accent .feature-kicker {
    color: var(--lime);
}

.feature-card-accent .text-link {
    color: var(--lime);
}

.focus-panel {
    padding: clamp(32px, 7vw, 72px);
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
    gap: 70px;
    color: var(--surface);
    background: var(--forest);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.focus-mark {
    width: min(280px, 100%);
    aspect-ratio: 1;
    margin: 0 auto;
    display: grid;
    place-items: center;
    color: var(--ink);
    background: var(--lime);
    border-radius: 52% 48% 58% 42% / 46% 55% 45% 54%;
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 900;
    letter-spacing: -0.08em;
    transform: rotate(-7deg);
}

.focus-mark span {
    transform: rotate(7deg);
}

.focus-copy h2 {
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: -0.045em;
    line-height: 1.3;
}

.focus-copy p {
    margin: 20px 0 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 1.06rem;
}

.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.pill-list li {
    padding: 9px 13px;
    color: var(--lime);
    border: 1px solid rgba(209, 254, 89, 0.36);
    border-radius: 99px;
    font-size: 0.84rem;
    font-weight: 800;
}

.preview-grid {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: min(210px, 58vw);
    grid-template-columns: none;
    gap: 24px;
    padding: 8px 4px 24px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 4px;
    scroll-snap-type: x mandatory;
    scrollbar-color: rgba(8, 52, 46, 0.3) transparent;
    scrollbar-width: thin;
}

.preview-card {
    margin: 0;
    scroll-snap-align: start;
}

.preview-shell {
    padding: 9px;
    aspect-ratio: 1179 / 2556;
    background: var(--ink);
    border-radius: 34px;
    box-shadow: 0 20px 52px rgba(20, 22, 21, 0.12);
}

.preview-shell > .app-screenshot {
    border-radius: 27px;
}

.preview-shell .screenshot-placeholder {
    padding: 24px 18px;
    border-radius: 27px;
}

.preview-card figcaption {
    padding: 16px 6px 0;
}

.preview-card figcaption strong {
    display: block;
    margin-bottom: 3px;
}

.preview-card figcaption span {
    color: var(--muted);
    font-size: 0.88rem;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 18px;
    color: var(--forest);
    font-weight: 900;
    text-decoration-thickness: 2px;
    text-underline-offset: 5px;
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
    border-top: 1px solid var(--line);
}

.faq-item {
    border-bottom: 1px solid var(--line);
}

.faq-item summary {
    position: relative;
    padding: 24px 54px 24px 2px;
    font-size: 1.06rem;
    font-weight: 900;
    list-style: none;
    cursor: pointer;
}

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

.faq-item summary::after {
    position: absolute;
    top: 50%;
    right: 8px;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    color: var(--forest);
    background: var(--lime-soft);
    border-radius: 50%;
    transform: translateY(-50%);
    content: "+";
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    max-width: 760px;
    margin: -8px 0 0;
    padding: 0 54px 26px 2px;
    color: var(--muted);
}

.cta-band {
    padding: 76px clamp(26px, 7vw, 76px);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 36px;
    color: var(--surface);
    background: var(--forest);
    border-radius: var(--radius-lg);
}

.cta-band h2 {
    max-width: 650px;
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: -0.045em;
    line-height: 1.3;
}

.cta-band p {
    margin: 16px 0 0;
    color: rgba(255, 255, 255, 0.7);
}

.site-footer {
    padding: 56px 0 42px;
    color: rgba(255, 255, 255, 0.72);
    background: var(--ink);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.footer-brand {
    color: var(--surface);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.06em;
}

.footer-brand span {
    color: var(--orange);
}

.footer-copy {
    max-width: 360px;
    margin: 10px 0 0;
    font-size: 0.86rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.footer-links h3 {
    margin: 0 0 12px;
    color: var(--surface);
    font-size: 0.82rem;
}

.footer-links ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-links li + li {
    margin-top: 7px;
}

.footer-links a {
    font-size: 0.84rem;
    text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: var(--lime);
}

.footer-bottom {
    margin-top: 44px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 0.78rem;
}

.page-hero {
    position: relative;
    overflow: hidden;
    padding: 92px 0 104px;
    background: var(--surface);
}

.page-hero::after {
    position: absolute;
    right: -100px;
    bottom: -220px;
    width: 520px;
    height: 520px;
    background: var(--lime);
    border-radius: 50%;
    opacity: 0.32;
    content: "";
}

.page-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 72px;
}

.page-hero-card {
    padding: 32px;
    color: var(--surface);
    background: var(--forest);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.page-hero-card .mini-label {
    color: var(--lime);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.page-hero-card h2 {
    margin: 40px 0 12px;
    font-size: 2rem;
    letter-spacing: -0.04em;
    line-height: 1.3;
}

.page-hero-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

.detail-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 74px;
    align-items: start;
}

.detail-sticky {
    position: sticky;
    top: 108px;
}

.detail-sticky h2 {
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: -0.045em;
    line-height: 1.3;
}

.detail-sticky p {
    margin: 18px 0 0;
    color: var(--muted);
}

.detail-list {
    display: grid;
    gap: 14px;
}

.detail-item {
    padding: 28px;
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: var(--radius-md);
}

.detail-item h3 {
    margin: 0 0 8px;
    font-size: 1.2rem;
    letter-spacing: -0.035em;
}

.detail-item p {
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
}

.detail-index {
    display: inline-block;
    margin-bottom: 22px;
    color: var(--orange);
    font-size: 0.74rem;
    font-weight: 900;
    letter-spacing: 0.11em;
}

.wide-preview {
    display: grid;
    grid-template-columns: minmax(270px, 0.7fr) 1.3fr;
    align-items: center;
    gap: 60px;
}

.wide-preview .preview-shell {
    max-width: 270px;
    margin: 0 auto;
}

.wide-preview-copy h2 {
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: -0.045em;
    line-height: 1.3;
}

.wide-preview-copy p {
    margin: 18px 0 0;
    color: var(--muted);
}

.stat-card {
    padding: 28px;
}

.stat-card strong {
    display: block;
    color: var(--forest);
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 900;
    letter-spacing: -0.06em;
}

.stat-card h3 {
    margin: 12px 0 6px;
}

.notice {
    padding: 18px 22px;
    color: var(--forest);
    background: var(--lime-soft);
    border: 1px solid rgba(8, 52, 46, 0.12);
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 700;
}

@media (max-width: 960px) {
    .hero-grid,
    .page-hero-grid,
    .focus-panel,
    .detail-grid,
    .wide-preview {
        grid-template-columns: 1fr;
    }

    .hero-grid,
    .page-hero-grid {
        gap: 54px;
    }

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

    .phone-stage {
        min-height: 510px;
    }

    .step-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .detail-sticky {
        position: static;
    }

    .detail-grid {
        gap: 36px;
    }

    .cta-band {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 760px) {
    .nav {
        width: min(100% - 28px, 1180px);
        min-height: 66px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        bottom: auto;
        height: calc(100dvh - 66px);
        padding: 18px 20px 40px;
        display: none;
        align-items: stretch;
        flex-direction: column;
        background: var(--canvas);
        overflow-y: auto;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 15px 12px;
        font-size: 1.05rem;
    }

    .nav-download {
        margin-top: 10px;
        text-align: center;
    }

    .container {
        width: min(100% - 28px, 1180px);
    }

    .hero,
    .page-hero {
        padding: 58px 0 72px;
    }

    .hero::before {
        width: 380px;
        height: 380px;
        border-width: 68px;
    }

    .hero h1,
    .page-hero h1 {
        font-size: 1.75rem;
    }

    .section-heading h2,
    .focus-copy h2,
    .cta-band h2,
    .detail-sticky h2,
    .wide-preview-copy h2 {
        font-size: 1.5rem;
    }

    .page-hero-card h2 {
        font-size: 1.5rem;
    }

    .hero-actions,
    .cta-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .phone-stage {
        min-height: 460px;
    }

    .section {
        padding: 76px 0;
        scroll-margin-top: 66px;
    }

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

    .step-grid,
    .feature-grid,
    .stat-grid {
        grid-template-columns: 1fr;
    }

    .step-card {
        min-height: 220px;
    }

    .preview-grid {
        grid-auto-columns: min(210px, 58vw);
        grid-template-columns: none;
        gap: 18px;
    }

    .preview-shell {
        max-width: none;
        margin: 0;
    }

    .preview-card figcaption {
        max-width: none;
        margin: 0;
    }

    .focus-panel,
    .page-hero-card,
    .cta-band {
        border-radius: 28px;
    }

    .focus-panel {
        gap: 42px;
    }

    .focus-mark {
        max-width: 220px;
    }

    .footer-grid,
    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        gap: 34px;
    }

    .footer-links {
        gap: 26px;
    }

    .wide-preview {
        gap: 42px;
    }
}

@media (max-width: 480px) {
    .hero h1,
    .page-hero h1 {
        font-size: 1.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}