* { box-sizing: border-box; }
:host { display: block; min-width: 0; }
.solinteg-battery { font-family: inherit; color: #596760; font-size: 16px; line-height: 1.7; overflow-wrap: anywhere; }
.solinteg-battery p { margin: 0 0 18px; }
.solinteg-battery p:last-child { margin-bottom: 0; }
.solinteg-battery h2 { color: #082f23; font-size: clamp(22px, 2.3vw, 30px); line-height: 1.22; letter-spacing: -.025em; margin: 0 0 18px; }
.solinteg-battery h3 { color: #082f23; font-size: 18px; line-height: 1.35; margin: 0 0 12px; }
.solinteg-battery strong { color: #082f23; }
.technical-intro { padding-bottom: 28px; }
.technical-intro > p { max-width: 850px; }
.eyebrow { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; color: #27865a; }
.key-data { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin: 28px 0 0; border-top: 1px solid #cfe3d9; padding: 22px 0 0; }
.key-data dt { font-size: 12px; line-height: 1.4; }
.key-data dd { margin: 8px 0 0; color: #082f23; font-size: clamp(22px, 2.4vw, 30px); line-height: 1.2; font-weight: 700; }
.key-data small { font-size: .58em; font-weight: 500; }
.technical-section { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 2fr); gap: clamp(24px, 4vw, 56px); padding: 32px 0; border-top: 1px solid #cfe3d9; }
.section-heading, .section-body { min-width: 0; max-width: 100%; }
.section-heading h2 { font-size: clamp(21px, 2.1vw, 27px); }
.section-body p { max-width: 780px; }
.installation-details { margin: 0; }
.installation-details > div { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 2fr); gap: 24px; padding: 18px 0; border-bottom: 1px solid #cfe3d9; }
.installation-details > div:first-child { padding-top: 0; }
.installation-details > div:last-child { padding-bottom: 0; border-bottom: 0; }
.installation-details dt { color: #082f23; font-size: 15px; font-weight: 600; }
.installation-details dd { margin: 0; font-size: 15px; line-height: 1.65; }
.technical-note { font-size: 14px; line-height: 1.65; }
.technical-features { grid-template-columns: minmax(0, 1fr); gap: 24px; }
.technical-features .section-heading h2 { margin-bottom: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature-grid article { min-width: 0; border: 1px solid #cfe3d9; border-radius: 16px; padding: 24px; }
.feature-grid svg { display: block; width: 36px; height: 36px; color: #27865a; margin-bottom: 20px; }
.feature-grid p { font-size: 14px; line-height: 1.65; }
.specification-table { margin: 0; border-top: 1px solid #cfe3d9; }
.specification-table > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 22px; padding: 13px 14px; border-bottom: 1px solid #cfe3d9; }
.specification-table > div:nth-child(odd) { background: #f2f9f5; }
.specification-table dt { font-size: 14px; font-weight: 600; color: #082f23; }
.specification-table dd { margin: 0; font-size: 14px; }
.source-note { font-size: 12px; margin-top: 18px !important; }
.datasheet-link { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; margin-top: 18px; padding: 12px 20px; background: #0c3b2b; border: 1px solid #0c3b2b; border-radius: 10px; color: #fff; text-decoration: none; font-size: 14px; font-weight: 700; }
.datasheet-link:hover { background: #27865a; border-color: #27865a; }
.datasheet-link:focus-visible, summary:focus-visible { outline: 3px solid #ffb31f; outline-offset: 3px; }
.technical-faq details { border-bottom: 1px solid #cfe3d9; padding: 0; }
.technical-faq details:first-child { border-top: 1px solid #cfe3d9; }
.technical-faq summary { position: relative; cursor: pointer; padding: 18px 28px 18px 0; font-weight: 600; color: #082f23; list-style: none; line-height: 1.5; }
.technical-faq summary::-webkit-details-marker { display: none; }
.technical-faq summary:after { content: '+'; position: absolute; right: 0; top: 17px; font-size: 22px; font-weight: 400; }
.technical-faq details[open] summary:after { content: '−'; }
.technical-faq details p { padding: 0 0 20px; font-size: 15px; }
@media (max-width: 900px) {
    .feature-grid { gap: 12px; }
    .feature-grid article { padding: 18px; }
}
@media (max-width: 800px) {
    .technical-section { grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 26px 0; }
    .technical-features { gap: 24px; }
    .key-data { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}
@media (max-width: 600px) {
    .installation-details > div { grid-template-columns: minmax(0, 1fr); gap: 6px; }
    .feature-grid { grid-template-columns: minmax(0, 1fr); }
    .feature-grid article { display: grid; grid-template-columns: 36px minmax(0, 1fr); column-gap: 16px; }
    .feature-grid svg { grid-row: 1 / 3; margin: 0; }
    .feature-grid h3 { margin-bottom: 8px; }
    .feature-grid p { grid-column: 2; }
}
@media (max-width: 450px) {
    .specification-table > div { grid-template-columns: minmax(0, 1fr); gap: 5px; padding: 12px; }
    .key-data dd { font-size: 24px; }
    .datasheet-link { width: 100%; }
}