/* Public solution guides share the landing identity (landing.css) and remain readable without JS. */
.solution-page { background: var(--bg); }
.solution-header .desktop-nav { margin-inline-start: auto; margin-inline-end: 0; }
.solution-header .header-actions { margin-inline-start: 24px; }

.solution-hero { position: relative; isolation: isolate; overflow: hidden; padding-block: 32px 72px; border-bottom: 1px solid var(--line); background: radial-gradient(ellipse 60% 70% at 85% 10%, rgba(45, 212, 191, .16), transparent 65%), radial-gradient(ellipse 50% 60% at 5% 90%, rgba(59, 130, 246, .14), transparent 65%), #071423; }
.solution-hero::before { content: ''; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(rgba(150, 190, 240, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(150, 190, 240, .06) 1px, transparent 1px); background-size: 52px 52px; -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 25%, transparent 75%); mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 25%, transparent 75%); }
.solution-breadcrumb { margin-block-end: 46px; color: var(--muted); font-size: .8rem; line-height: 1.8; }
.solution-breadcrumb ol { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; }
.solution-breadcrumb li { min-width: 0; }
.solution-breadcrumb li:last-child { color: var(--text-soft); }
.solution-breadcrumb a { text-decoration: underline; }
.solution-breadcrumb a:hover { color: var(--teal); }
.solution-hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .8fr); gap: 90px; align-items: center; }
.solution-heading .eyebrow { margin-block-end: 18px; }
.solution-heading h1 { max-width: 800px; font-size: clamp(2.1rem, 3.5vw, 3.2rem); line-height: 1.2; letter-spacing: -.035em; }
.solution-page:lang(ar) .solution-heading h1, .solution-page:lang(ckb) .solution-heading h1 { line-height: 1.5; letter-spacing: 0; }
.solution-intro { margin-block-start: 22px; color: var(--text-soft); font-size: 1.04rem; line-height: 1.95; }
.solution-summary { min-width: 0; padding: 26px; border: 1px solid var(--line-strong); border-radius: var(--r-lg); background: rgba(255, 255, 255, .04); }
.solution-summary-mark { display: grid; place-items: center; width: 42px; height: 42px; margin-block-end: 18px; border-radius: 13px; background: var(--grad); color: #04131d; }
.solution-summary-mark .icon { width: 20px; height: 20px; }
.solution-summary p { color: var(--text-soft); font-size: .95rem; line-height: 1.95; }
.solution-summary .button { width: 100%; margin-block-start: 22px; }

.solution-layout { display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 800px); gap: 100px; align-items: start; padding-block: 72px 86px; }
.solution-toc { position: sticky; top: calc(var(--header-h) + 32px); padding-block-start: 5px; }
.solution-toc h2 { margin-block-end: 16px; color: var(--muted); font-size: .85rem; letter-spacing: 0; line-height: 1.6; }
.solution-toc ol { border-inline-start: 1px solid var(--line); }
.solution-toc li a { position: relative; display: flex; align-items: baseline; gap: 12px; padding: 11px 16px; color: var(--text-soft); font-size: .86rem; line-height: 1.7; text-decoration: none; transition: color .2s, background-color .2s; }
.solution-toc li a::before { content: ''; position: absolute; top: 8px; bottom: 8px; inset-inline-start: -1px; width: 2px; background: var(--grad); transform: scaleY(0); transition: transform .3s var(--ease); }
.solution-toc li a:hover { color: var(--text); background: rgba(255, 255, 255, .03); }
.solution-toc li a:hover::before { transform: scaleY(1); }
.solution-section-number { flex: none; color: var(--muted); font: 500 .68rem/1.5 ui-monospace, monospace; }
.solution-toc li a > .icon { width: 14px; height: 14px; flex: none; align-self: center; color: var(--muted); }
.solution-home-link { display: inline-flex; align-items: center; gap: 9px; margin-block-start: 22px; color: var(--teal); font-size: .84rem; font-weight: 700; line-height: 1.7; text-decoration: none; }
.solution-home-link .icon { width: 16px; height: 16px; }
.solution-home-link:hover { text-decoration: underline; }
.solution-content { min-width: 0; }
.solution-section { position: relative; margin-block-end: 44px; padding-block: 0 46px; border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--header-h) + 30px); }
.solution-chapter-number { display: inline-block; margin-block-end: 12px; padding: 2px 10px; border-radius: 999px; background: var(--grad-soft); color: var(--teal); font: 600 .74rem/1.6 ui-monospace, monospace; }
.solution-section h2 { max-width: 740px; margin-block-end: 22px; font-size: clamp(1.65rem, 2.5vw, 2.2rem); line-height: 1.35; letter-spacing: -.025em; }
.solution-page:lang(ar) .solution-section h2, .solution-page:lang(ckb) .solution-section h2 { line-height: 1.5; letter-spacing: 0; }
.solution-section > p { margin-block-start: 16px; color: var(--text-soft); font-size: 1rem; line-height: 2; }
.solution-points { display: grid; gap: 14px; margin-block-start: 26px; padding: 24px 26px; border: 1px solid rgba(45, 212, 191, .22); border-radius: var(--r); background: linear-gradient(160deg, rgba(45, 212, 191, .07), rgba(255, 255, 255, .02)); }
.solution-points li { display: flex; align-items: flex-start; gap: 11px; color: var(--text); font-size: .95rem; line-height: 1.85; }
.solution-points .icon { width: 18px; height: 18px; margin-block-start: 5px; padding: 2px; border-radius: 50%; background: rgba(62, 224, 143, .14); color: var(--green); }
.solution-faq { scroll-margin-top: calc(var(--header-h) + 30px); }
.solution-faq h2 { margin-block-end: 26px; font-size: 2rem; letter-spacing: -.025em; }
.solution-faq .faq-item h3 { font-size: 1rem; line-height: 1.8; }
.solution-faq .faq-item > p { font-size: .94rem; line-height: 2; }

.solution-related { padding-block: 64px 60px; border-block: 1px solid var(--line); background: var(--bg-soft); }
.solution-related h2 { max-width: 800px; font-size: 2rem; }
.solution-related-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; margin-block-start: 32px; }
.solution-related-card { min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: var(--r-lg); background: rgba(255, 255, 255, .03); transition: border-color .3s, transform .45s var(--ease); }
.solution-related-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.solution-related-card h3 { font-size: 1.22rem; line-height: 1.6; }
.solution-related-card h3 a { display: flex; align-items: flex-start; gap: 18px; color: var(--text); text-decoration: none; }
.solution-related-card h3 a:hover { color: var(--teal); }
.solution-related-card h3 .icon { width: 21px; height: 21px; flex: none; margin-inline-start: auto; margin-block-start: 4px; color: var(--teal); }
.solution-related-card p { max-width: 530px; margin-block-start: 12px; color: var(--text-soft); font-size: .94rem; line-height: 1.9; }
.solution-cta { padding-block: 64px; }
.solution-page .footer-grid { grid-template-columns: 1.4fr 1.15fr .85fr 1.1fr; gap: 37px; }
.solution-page .footer-links [aria-current] { color: var(--teal); }

@media (max-width: 1190px) {
    .solution-hero-grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr); gap: 55px; }
    .solution-layout { grid-template-columns: 230px minmax(0, 1fr); gap: 60px; }
    .solution-page .footer-grid { gap: 28px; }
}
@media (max-width: 1079px) {
    .solution-header .header-actions { margin-inline-start: auto; }
}
@media (max-width: 900px) {
    .solution-hero { padding-block-end: 52px; }
    .solution-hero-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
    .solution-heading h1 { max-width: 730px; margin-inline: 0; font-size: 2.65rem; }
    .solution-summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 22px; }
    .solution-summary-mark { display: none; }
    .solution-summary .button { width: auto; max-width: 240px; margin: 0; }
    .solution-layout { grid-template-columns: minmax(0, 1fr); gap: 44px; padding-block: 40px 60px; }
    .solution-toc { position: static; }
    .solution-toc ol { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 20px; border: 0; }
    .solution-toc li { border-bottom: 1px solid var(--line); }
    .solution-toc li a { padding-inline: 0; }
    .solution-toc li a::before { display: none; }
    .solution-home-link { display: none; }
    .solution-content { max-width: 800px; }
    .solution-page .footer-grid { grid-template-columns: 1.3fr 1fr; gap: 35px 55px; }
}
@media (max-width: 700px) {
    .solution-header .header-inner { gap: 12px; }
    .solution-header .header-actions { margin-inline-start: auto; }
    .solution-header .language-options { inset-inline-end: 0; }
    .solution-hero { padding-block: 24px 36px; }
    .solution-breadcrumb { margin-block-end: 26px; font-size: .72rem; line-height: 1.9; }
    .solution-breadcrumb ol { gap: 5px 9px; }
    .solution-heading .eyebrow { margin-block-end: 14px; }
    .solution-heading h1 { font-size: 2.05rem; line-height: 1.3; }
    .solution-intro { margin-block-start: 18px; font-size: .95rem; line-height: 1.95; }
    .solution-hero-grid { gap: 22px; }
    .solution-summary { display: block; padding: 20px; }
    .solution-summary p { font-size: .88rem; line-height: 1.9; }
    .solution-summary .button { width: 100%; max-width: 100%; margin-block-start: 18px; }
    .solution-layout { gap: 34px; padding-block: 28px 46px; }
    .solution-toc h2 { margin-block-end: 10px; font-size: .8rem; }
    .solution-toc ol { grid-template-columns: minmax(0, 1fr); }
    .solution-toc li a { min-height: 45px; padding-block: 11px; font-size: .84rem; }
    .solution-section { margin-block-end: 30px; padding-block-end: 32px; }
    .solution-section h2 { margin-block-end: 18px; font-size: 1.6rem; }
    .solution-section > p { margin-block-start: 14px; font-size: .95rem; line-height: 1.95; }
    .solution-points { gap: 13px; margin-block-start: 20px; padding: 20px 18px; }
    .solution-points li { gap: 9px; font-size: .88rem; line-height: 1.9; }
    .solution-faq h2 { margin-block-end: 22px; font-size: 1.6rem; }
    .solution-faq .faq-item h3 { font-size: .95rem; }
    .solution-faq .faq-item > p { font-size: .9rem; }
    .solution-related { padding-block: 40px 36px; }
    .solution-related h2 { font-size: 1.65rem; }
    .solution-related-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; margin-block-start: 22px; }
    .solution-related-card { padding: 20px; }
    .solution-related-card h3 { font-size: 1.08rem; }
    .solution-related-card p { margin-block-start: 10px; font-size: .88rem; }
    .solution-cta { padding-block: 40px; }
    .solution-page .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
}
@media (max-width: 360px) {
    .solution-heading h1 { font-size: 1.85rem; }
    .solution-points { padding: 18px 15px; }
    .solution-header .brand { font-size: .95rem; }
}
@media print {
    .solution-page, .solution-hero { background: #fff; color: #15273e; }
    .solution-heading .eyebrow, .solution-intro, .solution-summary p, .solution-breadcrumb, .solution-section > p, .solution-points li { color: #30485d; }
    .solution-summary .button, .solution-toc, .solution-related, .solution-cta, .site-header, .site-footer { display: none; }
    .solution-layout, .solution-hero-grid { display: block; padding-block: 20px; }
    .solution-section { break-inside: avoid; }
}