/* First Down Farsi original tactical boards — scalable, high contrast, touch-friendly. */
.fdf-wp-mobile-nav{display:none}
@media(max-width:1050px){
.fdf-wp-mobile-nav{display:block;margin-inline-start:auto;position:relative;z-index:30}
.fdf-wp-mobile-nav summary{border:1px solid #577591;border-radius:8px;padding:7px 13px;color:#fff;cursor:pointer;list-style:none;font-weight:800;min-width:76px;text-align:center}
.fdf-wp-mobile-nav summary::-webkit-details-marker{display:none}
.fdf-wp-mobile-links{position:absolute;top:calc(100% + 9px);left:0;min-width:195px;background:#122942;border:1px solid #426080;border-radius:10px;display:flex;flex-direction:column;box-shadow:0 18px 34px #0008;overflow:hidden}
.fdf-wp-mobile-links a{padding:11px 14px;border-bottom:1px solid #2b425b;color:#f5f8fc;font-size:.89rem}
.fdf-wp-mobile-links a:hover{background:#2b4868}
}
.fdf-seo-academy{background:linear-gradient(#0a1c30,#071321);min-height:65vh;color:#f8fbff}
.fdf-learning-hero{padding:65px 0 47px;background:radial-gradient(ellipse at 10% 15%,#2b587065,transparent 45%),linear-gradient(130deg,#0e2844,#090f20);border-bottom:1px solid #35506d}
.fdf-learning-hero h1{font-size:clamp(2rem,4.3vw,3.6rem);font-weight:950;color:#fff;margin:12px 0 9px;line-height:1.48}
.fdf-learning-hero p{font-size:1.04rem;max-width:820px;line-height:2.1;color:#d3e0ee}
.fdf-learning-links{display:flex;flex-wrap:wrap;gap:11px;margin-top:25px}
.fdf-learning-links a{padding:10px 16px;border:1px solid #52708d;color:#fff;border-radius:9px;background:#162f49;font-size:.88rem;font-weight:750}
.fdf-learning-links a:hover{background:#224b70;border-color:#ff6b83}
.fdf-learn-section{padding:50px 0;border-bottom:1px solid #294058}
.fdf-learn-section h2{font-size:clamp(1.42rem,2.3vw,2.1rem);margin:0 0 11px;color:#fff;font-weight:900}
.fdf-learn-section>div>p{max-width:840px;color:#c4d5e6}
.fdf-concept-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0}
.fdf-concept{padding:23px;border-radius:12px;border:1px solid #334f69;background:linear-gradient(140deg,#172d45,#112238)}
.fdf-concept h3{font-size:1.25rem;font-weight:900;color:#fff;margin:0 0 10px}
.fdf-concept p{font-size:.87rem;line-height:2;color:#c6d6e6;margin:0}
.fdf-tactic-gallery{margin:26px 0;border:1px solid #39526e;background:#0d1d30;border-radius:15px;padding:17px;box-shadow:0 18px 60px #0004}
.fdf-tactic-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.fdf-tactic-tabs button{border:1px solid #536b86;background:#1a344e;padding:10px 15px;border-radius:8px;cursor:pointer;color:#e5eaf3;font:800 .83rem Arial,sans-serif;min-height:44px}
.fdf-tactic-tabs button[aria-pressed=true]{background:#e82d52;border-color:#fa5472;color:#fff;box-shadow:0 5px 18px #e82d523d}
.fdf-tactic-tabs button:focus-visible{outline:3px solid #fff;outline-offset:3px}
.fdf-tactic-panel{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(220px,.8fr);gap:22px;align-items:start}
.fdf-tactic-panel[hidden]{display:none!important}
.fdf-tactic-board,.fdf-article-tactic{background:#09212c;border:1px solid #2e6270;border-radius:12px;overflow:hidden}
.fdf-article-tactic{padding:14px;margin:30px 0}
.fdf-article-tactic h2{margin:4px 0 12px}
.fdf-article-tactic p{font-size:.8rem;color:#b9cadb;padding-top:10px}
.fdf-board-svg{width:100%;height:auto;display:block}
.fdf-player{cursor:pointer;transition:filter .18s ease}
.fdf-player:hover,.fdf-player:focus,.fdf-player.is-selected{filter:drop-shadow(0 0 10px #fff)}
.fdf-player:focus{outline:none}
.fdf-player.is-selected circle{stroke:#fff;stroke-width:5}
.fdf-route{animation:fdf-dashes 7s linear infinite}
@keyframes fdf-dashes{to{stroke-dashoffset:-170}}
@media(prefers-reduced-motion:reduce){.fdf-route{animation:none}}
.fdf-position-result{font-size:.81rem;color:#b9d9e6;padding:10px 14px;min-height:48px;margin:0}
.fdf-tactic-explain{padding:20px 13px}
.fdf-tactic-explain h3{font:950 clamp(1.5rem,2.2vw,2.1rem) Arial,sans-serif;color:#fff;direction:ltr;text-align:right;margin:15px 0}
.fdf-tactic-explain p{font-size:1rem;line-height:2.1;color:#d7e3ec}
.fdf-tactic-note{padding:15px;background:#1e3956;border-right:3px solid #f3405e;border-radius:7px;line-height:2;color:#fff;font-size:.89rem}
.fdf-tactic-credit{font-size:.75rem!important;color:#9baec4!important}
.fdf-diagram-key{display:flex;gap:17px;flex-wrap:wrap;margin:15px 0;color:#d9e6ee;font-size:.82rem}
.fdf-diagram-key span:before{content:"";display:inline-block;width:12px;height:12px;border-radius:50%;vertical-align:middle;margin-left:7px;border:2px solid currentColor}
.fdf-diagram-key .offense{color:#4bb7f1}.fdf-diagram-key .defense{color:#f4c35a}.fdf-diagram-key .route{color:#ff637d}
.fdf-glossary-search{width:100%;max-width:520px;padding:14px;background:#152c43;color:#fff;border:1px solid #5a758f;border-radius:9px;font:inherit}
.fdf-glossary-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:26px}
.fdf-glossary-term{padding:19px;background:#152940;border:1px solid #314a68;border-radius:11px}
.fdf-glossary-term dfn{font:900 1rem Arial,sans-serif;font-style:normal;color:#fff;direction:ltr;display:inline-block}
.fdf-glossary-term p{font-size:.86rem;line-height:2;margin:7px 0;color:#cbd9e8}
.fdf-glossary-term small{font-size:.69rem;color:#ffa1b0}
@media(max-width:900px){.fdf-tactic-panel{grid-template-columns:1fr}.fdf-tactic-explain{padding:6px 4px}.fdf-concept-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.fdf-learning-hero{padding:39px 0}.fdf-concept-grid,.fdf-glossary-list{grid-template-columns:1fr}.fdf-tactic-gallery{padding:10px}.fdf-tactic-tabs button{flex:1 1 44%;font-size:.79rem}.fdf-tactic-explain{padding:6px 8px}.fdf-learning-links a{flex:1 1 42%;text-align:center}}