:root {
    color-scheme: light;
}

/* =====================================================================
   소중필터 — standalone page design
   Mood: editorial analog-film studio. Warm paper, fine grain, serif-weight
   display type, muted seasonal tones. Five named filter moods as the soul.
   Refined and quiet — a gallery wall, not a toy.
   ===================================================================== */

.service-body--sojung {
    --sj-bg: #f1ece1;
    --sj-bg-2: #ece5d6;
    --sj-paper: #faf7ef;
    --sj-ink: #2b2a26;
    --sj-muted: #8c8674;
    --sj-green: #3f6b53;
    --sj-green-2: #305540;
    --sj-line: rgba(43, 42, 38, 0.12);
    color: var(--sj-ink);
    background:
        radial-gradient(80% 50% at 88% -6%, #f7f2e7 0%, rgba(247, 242, 231, 0) 55%),
        radial-gradient(70% 45% at 4% 102%, #e6ecde 0%, rgba(230, 236, 222, 0) 55%),
        linear-gradient(180deg, #f1ece1 0%, #efe9dc 55%, #ece5d6 100%);
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
    font-family: "Pretendard", "Space Grotesk", sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* film grain overlay */
.sj-grain {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.5;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
    mix-blend-mode: multiply;
}

.service-body--sojung .service-main,
.service-body--sojung .sj-topbar,
.service-body--sojung .service-footer {
    position: relative;
    z-index: 1;
}

/* ===== Top bar ===== */
.sj-topbar {
    padding-top: clamp(1.4rem, 3vw, 2rem);
}

.sj-topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sj-topbar__brand {
    font-family: "Space Grotesk", sans-serif;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: var(--sj-muted);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px 8px 8px;
    background: rgba(250, 247, 239, 0.85);
    color: var(--sj-ink);
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.92rem;
    border: 1px solid var(--sj-line);
    backdrop-filter: blur(8px);
    box-shadow: 0 12px 28px -22px rgba(43, 42, 38, 0.6);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.back-link__icon {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(150deg, var(--sj-green), var(--sj-green-2));
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
}

.back-link:hover,
.back-link:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(63, 107, 83, 0.45);
    box-shadow: 0 16px 32px -22px rgba(48, 85, 64, 0.7);
}

/* ===== Buttons ===== */
.sj-btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 14px 24px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.sj-btn--primary {
    background: linear-gradient(135deg, var(--sj-green), var(--sj-green-2));
    color: #f6f3ea;
    box-shadow: 0 18px 36px -18px rgba(48, 85, 64, 0.7);
}

.sj-btn--primary:hover,
.sj-btn--primary:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 24px 46px -18px rgba(48, 85, 64, 0.85);
}

.sj-btn--ghost {
    background: rgba(250, 247, 239, 0.7);
    color: var(--sj-ink);
    border: 1px solid var(--sj-line);
}

.sj-btn--ghost:hover,
.sj-btn--ghost:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(63, 107, 83, 0.45);
    background: var(--sj-paper);
}

/* ===== Hero ===== */
.sj-hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
    padding-top: clamp(2.5rem, 6vw, 5rem);
    padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.sj-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 7px 15px;
    border-radius: 999px;
    background: rgba(250, 247, 239, 0.7);
    border: 1px solid var(--sj-line);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--sj-green-2);
}

.sj-hero__title {
    font-family: "Space Grotesk", "Pretendard", sans-serif;
    font-weight: 700;
    font-size: clamp(2.5rem, 6vw, 4.1rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 1.1rem 0 0;
}

.sj-hero__title span {
    font-style: italic;
    color: var(--sj-green);
}

.sj-hero__lead {
    margin: 1.3rem 0 0;
    max-width: 30rem;
    color: var(--sj-muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.sj-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 2rem;
}

.sj-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1.6rem;
    margin: 2.4rem 0 0;
    padding: 0;
    list-style: none;
}

.sj-stats li {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sj-stats strong {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.2rem;
    color: var(--sj-ink);
}

.sj-stats span {
    font-size: 0.84rem;
    color: var(--sj-muted);
}

/* ===== Hero visual — film frame ===== */
.sj-hero__visual {
    display: grid;
    place-items: center;
    gap: 18px;
}

.sj-frame {
    margin: 0;
    width: min(100%, 380px);
    padding: 14px 14px 18px;
    background: var(--sj-paper);
    border-radius: 12px;
    border: 1px solid var(--sj-line);
    box-shadow: 0 44px 80px -46px rgba(43, 42, 38, 0.55);
    transform: rotate(-1.6deg);
}

.sj-frame__photo {
    position: relative;
    aspect-ratio: 4 / 5;
    border-radius: 6px;
    overflow: hidden;
    /* the real demo photo — left of the split is the untouched ORIGINAL */
    background: #cdd9d2 url("../../../assets/images/sojung-filter-demo.jpg") center / cover no-repeat;
}

/* right of the split = the SOJUNG (filtered) look — same photo, a warm summer film tone */
.sj-frame__photo::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("../../../assets/images/sojung-filter-demo.jpg") center / cover no-repeat;
    filter: saturate(1.42) contrast(1.05) brightness(1.07) sepia(0.16) hue-rotate(-5deg);
    clip-path: inset(0 0 0 58%);
}

.sj-frame__split {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 58%;
    width: 2px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.25);
}

.sj-frame__handle {
    position: absolute;
    top: 50%;
    left: 58%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(250, 247, 239, 0.95);
    border: 1px solid var(--sj-line);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.sj-frame__handle::before,
.sj-frame__handle::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border-block: 4px solid transparent;
}

.sj-frame__handle::before {
    left: 7px;
    transform: translateY(-50%);
    border-right: 5px solid var(--sj-muted);
}

.sj-frame__handle::after {
    right: 7px;
    transform: translateY(-50%);
    border-left: 5px solid var(--sj-muted);
}

.sj-frame__badge {
    position: absolute;
    bottom: 10px;
    padding: 3px 9px;
    border-radius: 6px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    background: rgba(43, 42, 38, 0.6);
    color: #fff;
    backdrop-filter: blur(4px);
}

.sj-frame__badge--before { left: 10px; }
.sj-frame__badge--after { right: 10px; background: rgba(63, 107, 83, 0.85); }

.sj-frame__caption {
    display: grid;
    gap: 2px;
    padding: 14px 6px 2px;
}

.sj-frame__eyebrow {
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.28em;
    color: var(--sj-green);
}

.sj-frame__name {
    font-family: "Space Grotesk", "Pretendard", sans-serif;
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--sj-ink);
}

.sj-frame__desc {
    font-size: 0.86rem;
    color: var(--sj-muted);
}

.sj-strip {
    display: inline-flex;
    gap: 8px;
}

.sj-strip i {
    width: 30px;
    height: 10px;
    border-radius: 3px;
    background: var(--c);
    box-shadow: 0 4px 10px -4px var(--c);
}

/* ===== Section heads ===== */
.sj-section__head {
    text-align: center;
    max-width: 42rem;
    margin: 0 auto clamp(2rem, 4vw, 3rem);
}

.sj-section__eyebrow {
    font-family: "Space Grotesk", sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--sj-green);
}

.sj-section__title {
    font-family: "Space Grotesk", "Pretendard", sans-serif;
    font-weight: 700;
    font-size: clamp(1.7rem, 4vw, 2.6rem);
    line-height: 1.16;
    letter-spacing: -0.01em;
    margin: 0.7rem 0 0;
}

.sj-section__title span {
    font-style: italic;
    color: var(--sj-green);
}

.sj-section__sub {
    margin: 0.9rem 0 0;
    color: var(--sj-muted);
    font-size: 1rem;
    line-height: 1.65;
}

/* ===== Five moods ===== */
.sj-moods {
    padding-top: clamp(4.5rem, 11vw, 7.5rem);
}

.sj-mood-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.sj-mood {
    padding: 22px 18px 20px;
    border-radius: 16px;
    background: var(--sj-paper);
    border: 1px solid var(--sj-line);
    box-shadow: 0 22px 46px -40px rgba(43, 42, 38, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.sj-mood:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 54px -36px rgba(43, 42, 38, 0.5);
}

.sj-mood__swatch {
    display: block;
    height: 76px;
    border-radius: 10px;
    background:
        linear-gradient(160deg, rgba(255, 255, 255, 0.35), rgba(0, 0, 0, 0.08)),
        var(--m);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.sj-mood__en {
    display: block;
    margin: 14px 0 2px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--m);
    filter: brightness(0.7);
}

.sj-mood h3 {
    margin: 0 0 7px;
    font-size: 1.24rem;
    font-weight: 700;
}

.sj-mood p {
    margin: 0;
    color: var(--sj-muted);
    font-size: 0.84rem;
    line-height: 1.55;
}

/* ===== Compare / fine tune sliders ===== */
.sj-compare {
    padding-top: clamp(3rem, 7vw, 5.5rem);
}

.sj-sliders {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem 2.4rem;
    max-width: 640px;
    margin: 0 auto;
    padding: 30px clamp(1.4rem, 3vw, 2.4rem);
    border-radius: 22px;
    background: var(--sj-paper);
    border: 1px solid var(--sj-line);
    box-shadow: 0 30px 60px -46px rgba(43, 42, 38, 0.5);
}

.sj-slider {
    display: grid;
    gap: 10px;
}

.sj-slider__label {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--sj-ink);
}

.sj-slider__track {
    position: relative;
    height: 5px;
    border-radius: 999px;
    background: var(--sj-bg-2);
}

.sj-slider__track i {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--sj-green);
    box-shadow: 0 0 0 4px rgba(63, 107, 83, 0.15);
}

.sj-slider__track::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--w, 50%);
    border-radius: 999px;
    background: var(--sj-green);
    opacity: 0.4;
}

/* ===== How it works ===== */
.sj-flow {
    padding-top: clamp(3rem, 7vw, 5.5rem);
}

.sj-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.sj-step {
    padding: 30px 24px 26px;
    border-radius: 18px;
    background: var(--sj-paper);
    border: 1px solid var(--sj-line);
    box-shadow: 0 22px 46px -40px rgba(43, 42, 38, 0.45);
}

.sj-step__num {
    font-family: "JetBrains Mono", monospace;
    font-weight: 700;
    font-size: 0.86rem;
    color: var(--sj-green);
    letter-spacing: 0.08em;
}

.sj-step__icon {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    margin: 14px 0 16px;
    border-radius: 14px;
    background: var(--sj-bg);
    font-size: 1.4rem;
}

.sj-step h3 {
    margin: 0 0 8px;
    font-size: 1.18rem;
    font-weight: 700;
}

.sj-step p {
    margin: 0;
    color: var(--sj-muted);
    font-size: 0.94rem;
    line-height: 1.62;
}

/* ===== Features ===== */
.sj-features {
    padding-top: clamp(3rem, 7vw, 5.5rem);
}

/* row-list layout — distinct from the numbered step cards */
.sj-feat-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.9rem 1.4rem;
}

.sj-feat-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px 18px 18px;
    border-radius: 14px;
    background: var(--sj-paper);
    border: 1px solid var(--sj-line);
    border-left: 3px solid rgba(63, 107, 83, 0.5);
    box-shadow: 0 18px 40px -38px rgba(43, 42, 38, 0.4);
    transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.sj-feat-row:hover {
    transform: translateX(4px);
    border-left-color: var(--sj-green);
    box-shadow: 0 24px 50px -36px rgba(48, 85, 64, 0.45);
}

.sj-feat-row__icon {
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--sj-bg);
    font-size: 1.35rem;
}

.sj-feat-row__text {
    min-width: 0;
}

.sj-feat-row h3 {
    margin: 0 0 4px;
    font-size: 1.04rem;
    font-weight: 700;
}

.sj-feat-row p {
    margin: 0;
    color: var(--sj-muted);
    font-size: 0.89rem;
    line-height: 1.55;
}

/* ===== Screenshots ===== */
.sj-shots {
    padding-top: clamp(3rem, 7vw, 5.5rem);
}

.sj-shot-row {
    display: flex;
    justify-content: center;
    gap: clamp(1.2rem, 4vw, 2.6rem);
    flex-wrap: wrap;
}

.sj-phone {
    margin: 0;
    width: min(46%, 290px);
    border-radius: 26px;
    overflow: hidden;
    border: 1px solid var(--sj-line);
    box-shadow: 0 40px 80px -48px rgba(43, 42, 38, 0.55);
    transition: transform 0.3s ease;
}

.sj-phone:first-child { transform: rotate(-2deg); }
.sj-phone:last-child { transform: rotate(2deg); }

.sj-phone:hover {
    transform: rotate(0) translateY(-6px);
}

.sj-phone img {
    display: block;
    width: 100%;
    height: auto;
}

/* ===== CTA ===== */
.sj-cta {
    padding-top: clamp(3.5rem, 8vw, 6rem);
    padding-bottom: clamp(3.5rem, 8vw, 6rem);
}

.sj-cta__card {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    padding: clamp(2.6rem, 5vw, 3.8rem) clamp(2.4rem, 5vw, 3.6rem);
    border-radius: 24px;
    text-align: center;
    background: var(--sj-paper);
    border: 1px solid var(--sj-line);
    box-shadow: 0 40px 80px -52px rgba(43, 42, 38, 0.5);
}

.sj-cta__strip {
    display: inline-flex;
    gap: 8px;
    margin-bottom: 18px;
}

.sj-cta__strip i {
    width: 34px;
    height: 10px;
    border-radius: 3px;
    background: var(--c);
}

.sj-cta__card h2 {
    font-family: "Space Grotesk", "Pretendard", sans-serif;
    font-weight: 700;
    font-size: clamp(1.8rem, 4.5vw, 2.7rem);
    line-height: 1.18;
    margin: 0;
}

.sj-cta__card p {
    max-width: 32rem;
    margin: 1.1rem auto 0;
    color: var(--sj-muted);
    font-size: 1.04rem;
    line-height: 1.7;
}

.sj-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    justify-content: center;
    margin-top: 2rem;
}

/* ===== Footer ===== */
.service-footer {
    padding: 2.4rem 0 3rem;
    text-align: center;
    border-top: 1px solid var(--sj-line);
}

.service-footer p {
    margin: 0;
    color: var(--sj-muted);
    font-size: 0.88rem;
}

/* ===== Animations ===== */
[data-animate] {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate].is-visible {
    opacity: 1;
    transform: none;
}

/* ===== Responsive ===== */
@media (max-width: 980px) {
    .sj-mood-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .sj-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .sj-hero__lead {
        margin-left: auto;
        margin-right: auto;
    }

    .sj-hero__actions,
    .sj-stats {
        justify-content: center;
    }

    .sj-hero__visual {
        order: -1;
    }
}

@media (max-width: 620px) {
    .sj-mood-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sj-sliders {
        grid-template-columns: 1fr;
    }

    .sj-steps,
    .sj-feat-list {
        grid-template-columns: 1fr;
    }

    .sj-stats {
        gap: 1.1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    [data-animate] {
        opacity: 1;
        transform: none;
        transition: none;
    }
}