/* SOT_WEB_SPA solution page — 통합 운영 플랫폼 소개 */
.spa-page-stack {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

/* Hero */
.spa-solution-hero {
    position: relative;
    padding: 2.5rem 0 2.75rem;
    overflow: hidden;
}
.spa-solution-hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 0%, rgba(37, 99, 235, 0.08), transparent 55%),
        radial-gradient(ellipse 60% 50% at 90% 20%, rgba(14, 116, 144, 0.06), transparent 50%),
        linear-gradient(180deg, #f8fafc 0%, #fff 100%);
    pointer-events: none;
}
.spa-solution-hero__inner {
    position: relative;
}
.spa-solution-hero__inner .breadcrumb {
    margin: 0 0 0.75rem;
}
.spa-solution-hero__inner .eyebrow {
    margin: 0 0 1rem;
}
.spa-solution-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 2rem;
    align-items: center;
}
@media (max-width: 960px) {
    .spa-solution-hero__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}
.spa-solution-hero__product {
    margin: 0;
    font-size: clamp(1.75rem, 4vw, 2.35rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
}
.spa-solution-hero__tagline {
    margin: 0.45rem 0 0;
    font-size: clamp(1.15rem, 2.5vw, 1.45rem);
    font-weight: 700;
    line-height: 1.35;
    color: var(--accent, #2563eb);
}
.spa-solution-hero__lead {
    margin: 1.1rem 0 0;
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--text);
    font-weight: 500;
    max-width: 34em;
}
.spa-solution-hero__cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 1.35rem 0 0;
}
.spa-solution-hero__visual {
    margin: 0;
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
    border: 1px solid var(--border, #e5e7eb);
    box-shadow: var(--shadow-md, 0 12px 32px rgba(15, 23, 42, 0.1));
    background: #fff;
}
.spa-solution-hero__visual picture,
.spa-solution-hero__visual img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    background: #f8fafc;
}

@media (max-width: 640px) {
    .spa-lead-br { display: none; }
}

/* Section heads */
.spa-section-head {
    margin-bottom: 1.25rem;
}
.spa-section-head .label {
    margin: 0 0 0.35rem;
}
.spa-section-head h2 {
    margin: 0 0 0.45rem;
    font-size: clamp(1.25rem, 2.4vw, 1.55rem);
    line-height: 1.25;
}
.spa-section-head p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* Feature summary cards */
.spa-features-section {
    margin: 0;
}
.spa-features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
}
@media (max-width: 960px) {
    .spa-features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    .spa-features-grid { grid-template-columns: 1fr; }
}
.spa-feature-card {
    padding: 1.05rem 1.15rem;
    border-radius: var(--radius-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.22s var(--ease-out), box-shadow 0.22s var(--ease-out);
}
.spa-feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.spa-feature-card__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.65rem;
    height: 1.65rem;
    margin-bottom: 0.55rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--accent, #2563eb);
    font-size: 0.75rem;
    font-weight: 800;
}
.spa-feature-card h3 {
    margin: 0 0 0.35rem;
    font-size: 0.98rem;
    font-weight: 800;
    line-height: 1.35;
}
.spa-feature-card p {
    margin: 0;
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.55;
}

/* Gallery */
.spa-showcase-section {
    margin: 0;
}
.spa-showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}
@media (max-width: 960px) {
    .spa-showcase-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    .spa-showcase-grid { grid-template-columns: 1fr; }
}

.spa-showcase-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}
.spa-showcase-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.spa-showcase-card-media {
    margin: 0;
    background: #f8fafc;
    border-bottom: 1px solid var(--border);
}
.spa-showcase-card-media button {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: zoom-in;
    font: inherit;
    color: inherit;
    text-align: left;
}
.spa-showcase-card-media button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}
.spa-showcase-img-wrap {
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem;
}
.spa-showcase-img-wrap picture,
.spa-showcase-img-wrap img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.spa-showcase-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1rem 1.1rem 1.1rem;
}
.spa-showcase-card-body h3 {
    margin: 0 0 0.4rem;
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.35;
}
.spa-showcase-card-body p {
    margin: 0;
    flex: 1;
    font-size: 0.86rem;
    color: var(--text-muted);
    line-height: 1.55;
}
.spa-showcase-card-action {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.85rem;
    padding: 0;
    border: 0;
    background: transparent;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent);
    cursor: pointer;
    text-decoration: none;
}
.spa-showcase-card-action:hover {
    text-decoration: underline;
}
.spa-showcase-card-action:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Ecosystem */
.spa-ecosystem {
    margin: 0;
}
.spa-ecosystem .label {
    margin: 0 0 0.35rem;
}
.spa-ecosystem h2 {
    margin: 0 0 0.65rem;
    font-size: clamp(1.15rem, 2.2vw, 1.4rem);
}
.spa-ecosystem-lead {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--text-muted);
}

.spa-page-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 0;
}

.spa-lightbox {
    position: fixed;
    inset: 0;
    z-index: 20000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(12, 13, 14, 0.82);
}
.spa-lightbox.is-open { display: flex; }
.spa-lightbox-inner {
    position: relative;
    max-width: min(1024px, 100%);
    width: 100%;
}
.spa-lightbox-inner img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    background: #fff;
}
.spa-lightbox-cap {
    margin-top: 0.65rem;
    color: #fff;
    font-size: 0.88rem;
    text-align: center;
}
.spa-lightbox-close {
    position: absolute;
    top: -2.5rem;
    right: 0;
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
}

/* 홈 쇼케이스용 SPA 미리보기 */
.showcase-card .product-media--spa-pos {
    --product-img-max-h: 200px;
    background: #fff;
}
.showcase-card .product-media--spa-pos img {
    object-fit: contain;
}