/* =========================================================
   Inner pages: learn, strategy, about, contact (TASK-001..003)
   Uses the theme variables of style.css, so day/night and RTL/LTR follow the home page.
   ========================================================= */
.page-inner main { padding-block: 40px 96px; }
.page-head { margin-bottom: 32px; }
.page-head.center { text-align: center; max-width: 52rem; margin-inline: auto; }
.page-head .h2 { margin-bottom: 14px; }
.page-head .lead { font-size: 17px; line-height: 1.9; }
.muted { color: var(--fg-300); }
.pill { display: inline-flex; align-items: center; border: 1px solid var(--line-3); border-radius: 999px; padding: 2px 10px; font-size: 12px; color: var(--fg-200); white-space: nowrap; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--fg-300); margin-bottom: 18px; }
.crumbs a { color: var(--fg-200); }
.crumbs a:hover { color: var(--fg-100); }
.nav-links a[aria-current="page"], .mobile-menu a[aria-current="page"] { color: var(--fg-strong); }

/* ---------- Article text (lessons, strategies, about) ---------- */
.prose { font-size: 16.5px; line-height: 2; color: var(--fg-200); max-width: 72ch; }
.prose > * + * { margin-top: 1em; }
.prose h2 { font-size: 22px; line-height: 1.5; color: var(--fg-100); font-weight: 700; margin-top: 1.8em; scroll-margin-top: 90px; }
.prose h3 { font-size: 18px; color: var(--fg-100); font-weight: 600; margin-top: 1.5em; }
.prose strong, .prose b { color: var(--fg-100); font-weight: 600; }
.prose ul, .prose ol { padding-inline-start: 1.4em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: .35em; }
.prose a { color: var(--sky); text-decoration: underline; text-underline-offset: 3px; }
.prose blockquote { border-inline-start: 3px solid var(--purple); padding: 4px 16px; color: var(--fg-100); background: var(--surface-100); border-radius: 0 8px 8px 0; }
[dir="rtl"] .prose blockquote { border-radius: 8px 0 0 8px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 14.5px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line-3); padding: 8px 12px; text-align: start; vertical-align: top; }
.prose th { background: var(--surface-100); color: var(--fg-100); font-weight: 600; }
.prose img { max-width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line-2); }
.prose figure figcaption { font-size: 13px; color: var(--fg-300); margin-top: 6px; }
/* formatting from the admin editor (classes allowed by App\Support\HtmlSanitizer) */
.prose h4 { font-size: 16.5px; color: var(--fg-100); font-weight: 600; margin-top: 1.3em; }
.prose u { text-underline-offset: 3px; }
.prose mark { background: color-mix(in srgb, var(--sky) 22%, transparent); color: var(--fg-100); padding: 0 3px; border-radius: 3px; }
.prose hr { border: 0; border-top: 1px solid var(--line-3); margin-block: 2em; }
.prose code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .88em; background: var(--surface-100); border: 1px solid var(--line-2); border-radius: 5px; padding: 1px 5px; direction: ltr; unicode-bidi: isolate; }
.prose pre { background: var(--surface-100); border: 1px solid var(--line-2); border-radius: 10px; padding: 12px 16px; overflow-x: auto; direction: ltr; text-align: left; font-size: 14px; line-height: 1.7; }
.prose pre code { background: none; border: 0; padding: 0; }
.prose table caption { caption-side: bottom; font-size: 13px; color: var(--fg-300); padding-top: 6px; }
.prose figure { margin-inline: 0; }
.prose figure img, .prose img.img-full { display: block; width: 100%; }
.prose figure.img-sm, .prose img.img-sm { width: min(100%, 320px); }
.prose figure.img-md, .prose img.img-md { width: min(100%, 520px); }
.prose figure.img-full { width: 100%; }
.prose figure.img-center, .prose img.img-center { margin-inline: auto; text-align: center; }
.prose figure.img-center figcaption { text-align: center; }
.prose figure.img-side { float: inline-end; margin-inline-start: 24px; margin-block: .3em 1em; }
.prose::after { content: ""; display: block; clear: both; }
.prose .ta-right { text-align: right; } .prose .ta-center { text-align: center; } .prose .ta-left { text-align: left; } .prose .ta-justify { text-align: justify; }
.prose [class^="box-"], .prose [class*=" box-"] { border: 1px solid; border-inline-start-width: 4px; border-radius: 10px; padding: 12px 18px; color: var(--fg-100); }
.prose [class^="box-"] > * + * { margin-top: .7em; }
.prose .box-note { border-color: color-mix(in srgb, var(--sky) 55%, transparent); background: color-mix(in srgb, var(--sky) 9%, transparent); }
.prose .box-tip { border-color: color-mix(in srgb, #22c55e 55%, transparent); background: color-mix(in srgb, #22c55e 9%, transparent); }
.prose .box-warn { border-color: color-mix(in srgb, #f59e0b 60%, transparent); background: color-mix(in srgb, #f59e0b 10%, transparent); }
@media (max-width: 640px) {
  .prose figure.img-side { float: none; margin-inline: 0; width: 100%; }
  .prose figure.img-md, .prose figure.img-sm { width: 100%; }
}
.note-risk { margin-top: 32px; font-size: 13px; color: var(--fg-300); border-top: 1px solid var(--line-2); padding-top: 16px; max-width: 72ch; }

/* ---------- Learn: sidebar + content ---------- */
.learn-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 40px; align-items: start; }
.learn-side { position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow-y: auto; border: 1px solid var(--line-2); border-radius: 14px; background: var(--surface-0); scrollbar-width: thin; }
.learn-side summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.learn-side summary::-webkit-details-marker { display: none; }
.ls-head { padding: 14px 16px; font-weight: 700; font-size: 15px; color: var(--fg-100); border-bottom: 1px solid var(--line-2); }
.ls-tree { padding: 8px; }
.ls-top { display: block; padding: 9px 10px; border-radius: 8px; font-size: 14px; color: var(--fg-200); }
.ls-top:hover, .ls-top.is-active { background: var(--surface-200); color: var(--fg-100); }
.ls-cat > summary { padding: 11px 10px; border-radius: 8px; font-size: 14.5px; font-weight: 600; color: var(--fg-100); }
.ls-cat > summary:hover { background: var(--surface-100); }
.ls-cat + .ls-cat { border-top: 1px solid var(--line); }
.ls-group { margin-inline-start: 10px; border-inline-start: 1px solid var(--line-2); }
.ls-group > summary { padding: 8px 10px; font-size: 13.5px; color: var(--fg-200); font-weight: 600; }
.ls-group > summary:hover { color: var(--fg-100); }
.ls-lessons { padding: 2px 0 8px; margin: 0; margin-inline-start: 10px; }
.ls-lessons a { display: flex; gap: 8px; padding: 6px 10px; border-radius: 6px; font-size: 13.5px; line-height: 1.7; color: var(--fg-300); }
.ls-lessons a b { font-weight: 500; color: var(--fg-400); font-variant-numeric: tabular-nums; flex: none; }
.ls-lessons a:hover { color: var(--fg-100); background: var(--surface-100); }
.ls-lessons a.is-active { color: var(--fg-strong); background: var(--surface-200); }
.ls-lessons a.is-active b { color: var(--sky); }
.ls-empty { padding: 4px 20px 12px; font-size: 13px; color: var(--fg-400); }
/* the + / − marker of the accordion (sketch, 2026-10-18) */
.pm { position: relative; width: 12px; height: 12px; flex: none; color: var(--fg-300); }
.pm::before, .pm::after { content: ""; position: absolute; inset-inline-start: 0; top: 5.25px; width: 12px; height: 1.5px; background: currentColor; border-radius: 1px; transition: transform 200ms var(--ease-quart); }
.pm::after { transform: rotate(90deg); }
details[open] > summary > .pm::after { transform: rotate(0deg); }

.learn-cats { display: grid; gap: 16px; }
.learn-cat-card { border: 1px solid var(--line-2); border-radius: 16px; padding: 22px 24px; background: var(--surface-0); }
.learn-cat-card.is-empty { opacity: .8; }
.lcc-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.lcc-head h2 { font-size: 19px; font-weight: 700; }
.lcc-head h2 a:hover { color: var(--fg-strong); }
.learn-cat-card > p { color: var(--fg-300); font-size: 14.5px; line-height: 1.9; }
.lcc-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; margin: 16px 0 18px; }
.lcc-groups li { display: flex; justify-content: space-between; gap: 8px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font-size: 13.5px; color: var(--fg-200); background: var(--bg); }
.lcc-groups small { color: var(--fg-400); white-space: nowrap; }

.lesson-group + .lesson-group { margin-top: 28px; }
.lesson-group h2 { font-size: 17px; font-weight: 700; margin-bottom: 12px; color: var(--fg-100); }
.lesson-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.lesson-cards a { display: flex; gap: 12px; align-items: baseline; padding: 14px 16px; border: 1px solid var(--line-2); border-radius: 12px; font-size: 14.5px; color: var(--fg-200); background: var(--surface-0); transition: border-color 150ms, color 150ms; }
.lesson-cards a:hover { border-color: var(--line-3); color: var(--fg-100); }
.lesson-cards b { color: var(--fg-400); font-weight: 500; }
.empty-box { border: 1px dashed var(--line-3); border-radius: 14px; padding: 40px 24px; text-align: center; color: var(--fg-300); }

.lesson-num { font-size: 13px; color: var(--sky); margin-bottom: 8px; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; max-width: 72ch; }
.pager a { display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--surface-0); }
.pager a:hover { border-color: var(--line-3); }
.pager small { font-size: 12px; color: var(--fg-300); }
.pager span { font-size: 14.5px; color: var(--fg-100); }
.pager-next { text-align: end; }

@media (max-width: 960px) {
  .learn-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .learn-side { position: static; max-height: none; }
}

/* ---------- Strategy: grid of cards (3 × 4, like the reference) ---------- */
.st-disclaimer { display: flex; gap: 10px; align-items: flex-start; margin-top: 18px; padding: 12px 16px; border: 1px solid rgba(234, 179, 8, .35); background: rgba(234, 179, 8, .08); border-radius: 12px; font-size: 14px; line-height: 1.9; color: var(--fg-100); text-align: start; }
.st-disclaimer svg { flex: none; margin-top: 4px; color: #eab308; }
.st-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.st-card { display: flex; flex-direction: column; border: 1px solid var(--line-2); border-radius: 16px; overflow: hidden; background: var(--surface-0); transition: border-color 160ms, transform 200ms var(--ease-quart); }
.st-card:hover { border-color: var(--line-3); transform: translateY(-2px); }
.st-cover { display: block; aspect-ratio: 16 / 9; background: var(--surface-200); overflow: hidden; }
.st-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.st-body { padding: 16px 18px 18px; display: grid; gap: 10px; }
.st-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.st-tags li { font-size: 12px; padding: 2px 10px; border-radius: 999px; background: rgba(56, 189, 248, .12); color: var(--sky); }
.st-title { font-size: 16.5px; line-height: 1.7; font-weight: 700; color: var(--fg-100); }
.st-title a:hover { color: var(--fg-strong); }
.st-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; font-size: 12.5px; color: var(--fg-300); }
.st-author { display: inline-flex; align-items: center; gap: 8px; color: var(--fg-200); }
.st-author i { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--surface-200); border: 1px solid var(--line-2); font-style: normal; font-size: 11px; color: var(--fg-100); }
@media (max-width: 1024px) { .st-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .st-grid { grid-template-columns: minmax(0, 1fr); } }

.st-article { max-width: 1100px; }
.st-article-head { display: grid; gap: 14px; margin-bottom: 24px; }
.st-hero { margin: 0 0 32px; border-radius: 18px; overflow: hidden; border: 1px solid var(--line-2); aspect-ratio: 16 / 9; background: var(--surface-200); }
.st-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
.st-article-grid { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 40px; align-items: start; }
.st-toc { position: sticky; top: 84px; border: 1px solid var(--line-2); border-radius: 14px; padding: 14px 16px; background: var(--surface-0); font-size: 13.5px; }
.st-toc summary { cursor: pointer; font-weight: 700; color: var(--fg-100); }
.st-toc ol { margin-top: 10px; display: grid; gap: 6px; list-style: decimal; padding-inline-start: 1.2em; color: var(--fg-400); }
.st-toc a { color: var(--fg-200); line-height: 1.7; }
.st-toc a:hover { color: var(--fg-100); }
.st-content .st-disclaimer { max-width: 72ch; margin-top: 32px; }
.st-more { margin-top: 64px; }
.st-more-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; }
.st-more-head .h3 { font-size: 20px; font-weight: 700; }
.st-more-head a { font-size: 14px; color: var(--fg-200); }
@media (max-width: 960px) {
  .st-article-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .st-toc { position: static; }
}

/* ---------- About ---------- */
.about-body { margin: 0 auto 48px; }
.about-values { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.about-value { border: 1px solid var(--line-2); border-radius: 16px; padding: 22px; background: var(--surface-0); }
.about-value h2 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.about-value p { font-size: 14.5px; color: var(--fg-300); line-height: 1.9; }
@media (max-width: 800px) { .about-values { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 24px; align-items: start; }
.contact-card { border: 1px solid var(--line-2); border-radius: 18px; padding: 26px; background: var(--surface-0); }
.contact-card h2 { font-size: 18px; font-weight: 700; margin-bottom: 18px; }
.contact-info { display: grid; gap: 16px; }
.contact-info dt { font-size: 12.5px; color: var(--fg-300); margin-bottom: 2px; }
.contact-info dd { font-size: 15.5px; color: var(--fg-100); }
.contact-info a:hover { color: var(--fg-strong); }
.contact-form { display: grid; gap: 14px; }
.contact-form label { display: grid; gap: 6px; font-size: 13.5px; color: var(--fg-200); }
.contact-form input, .contact-form textarea { width: 100%; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--line-3); background: var(--bg); color: var(--fg-100); font: inherit; font-size: 15px; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--sky); }
.contact-form .btn { justify-self: start; }
.contact-card .form-msg { margin-bottom: 14px; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }
.ls-lessons, .lesson-cards, .lcc-groups { list-style: none; padding-inline-start: 0; }
[lang="fa"] .prose ol, [lang="fa"] .st-toc ol { list-style-type: persian; }

/* Contact page: self-drawn minimal map + "open in" links */
.contact-map { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line-2); }
.contact-map h3 { font-size: 15px; font-weight: 700; margin-bottom: 12px; }
.map-art { position: relative; display: block; border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); aspect-ratio: 2 / 1; }
.map-art svg { display: block; width: 100%; height: 100%; }
.map-art .m-land { fill: color-mix(in srgb, var(--fg-100) 4%, var(--surface-0)); }
.map-art .m-park { fill: color-mix(in srgb, #34d399 14%, transparent); }
.map-art .m-street path { stroke: color-mix(in srgb, var(--fg-100) 9%, transparent); stroke-width: 3; fill: none; }
.map-art .m-road path { stroke: color-mix(in srgb, var(--fg-100) 16%, transparent); stroke-width: 7; fill: none; }
.map-art .m-highway { stroke: color-mix(in srgb, var(--sky) 28%, transparent); stroke-width: 9; fill: none; stroke-linecap: round; }
.map-art .m-pin { fill: var(--sky); }
.map-art .m-pin-dot { fill: var(--surface-0); }
.map-art .m-pulse { fill: color-mix(in srgb, var(--sky) 22%, transparent); transform-origin: 240px 146px; animation: map-pulse 2.4s ease-out infinite; }
@keyframes map-pulse { from { transform: scale(.4); opacity: 1; } to { transform: scale(1.6); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .map-art .m-pulse { animation: none; } }
.map-label { position: absolute; top: 40%; left: 50%; transform: translate(-50%, calc(-100% - 6px)); padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; color: var(--fg-strong, var(--fg-100)); background: var(--surface-0); border: 1px solid var(--line-2); box-shadow: 0 4px 14px rgba(0, 0, 0, .18); }
.map-open { margin-top: 14px; font-size: 12.5px; color: var(--fg-300); }
.map-apps { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.map-app { display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line-3, var(--line-2)); font-size: 13.5px; color: var(--fg-100); transition: border-color .2s, color .2s; }
.map-app:hover { border-color: var(--sky); color: var(--fg-strong, var(--fg-100)); }
[dir="rtl"] .map-app svg { transform: scaleX(-1); }