:root{--primary:#2457ff;--secondary:#0f172a;--accent:#15b8a6;--bg:#f7f9fc;--surface:#fff;--text:#172033;--muted:#6b7280;--border:#e7ebf2;--radius:20px}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(circle at top left,#eef4ff 0,#f7f9fc 26%,#f7f9fc 100%);color:var(--text);font-family:var(--body-font,Inter),system-ui,-apple-system,Segoe UI,sans-serif}
a{text-decoration:none}
.navbar{background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.brand{font-family:var(--heading-font,var(--body-font,Inter));font-weight:900;font-size:24px;color:var(--secondary);text-decoration:none;display:flex;align-items:center}.site-logo{height:44px;width:auto;max-width:230px;display:block;object-fit:contain}
.navbar .nav-link{font-weight:600;color:var(--secondary);border-radius:999px;padding:.55rem .9rem}
.navbar .nav-link:hover{background:#eef3ff;color:var(--primary)}
.hero{padding:74px 0 48px}
.hero h1,.section-title,h1,h2,h3{font-family:var(--heading-font,var(--body-font,Inter))}
.hero h1{font-size:clamp(42px,6vw,72px);font-weight:900;letter-spacing:-.045em;line-height:.98}
.hero p{font-size:18px;color:var(--muted);max-width:680px;line-height:1.7}
.hero-shell{background:linear-gradient(135deg,color-mix(in srgb,var(--surface) 92%,#eef4ff) 0%,color-mix(in srgb,var(--surface) 94%,#f0fffb) 100%);border:1px solid var(--border);border-radius:32px;padding:34px;box-shadow:0 22px 70px rgba(23,32,51,.07);position:relative;overflow:hidden}
.hero-shell:before,.hero-shell:after{content:"";position:absolute;border-radius:50%;pointer-events:none;filter:blur(10px)}
.hero-shell:before{width:280px;height:280px;background:rgba(36,87,255,.08);top:-90px;right:-60px}
.hero-shell:after{width:220px;height:220px;background:rgba(21,184,166,.08);left:-50px;bottom:-90px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-primary{background:var(--primary);border-color:var(--primary)}
.btn-primary:hover{background:#1f4ee8;border-color:#1f4ee8}
.btn-ghost{background:#fff;border:1px solid var(--border);color:var(--secondary)}
.btn-ghost:hover{background:#eef3ff;border-color:#d7e3ff;color:var(--primary)}
.searchbox{background:var(--surface);border:1px solid var(--border);box-shadow:0 18px 50px #1720330b;border-radius:22px;padding:10px;position:relative;z-index:1}
.searchbox .form-control{font-size:1rem;padding:.8rem .5rem;background:transparent}
.searchbox .btn{min-width:130px}
.hero-panel{background:rgba(255,255,255,.88);border:1px solid rgba(231,235,242,.96);border-radius:26px;padding:24px;box-shadow:0 16px 44px rgba(23,32,51,.05);position:relative;z-index:1}
.mini-label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);font-weight:800;margin-bottom:10px}
.hero-mini-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
.mini-stat{background:#f8fbff;border:1px solid var(--border);border-radius:18px;padding:16px;text-align:center}
.mini-stat strong{display:block;font-size:26px;line-height:1;font-weight:900;margin-bottom:8px}
.mini-stat span{font-size:13px;color:var(--muted);font-weight:600}
.quick-points{display:grid;gap:10px}
.quick-point{padding:12px 14px;border-radius:16px;background:#f9fbff;border:1px solid var(--border);font-weight:600;color:#24324a}
.feature-card{background:linear-gradient(180deg,#fff 0%,#fbfcff 100%);border:1px solid var(--border);border-radius:24px;padding:24px;box-shadow:0 14px 36px rgba(23,32,51,.03)}
.feature-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:#eef3ff;font-size:24px;margin-bottom:16px}
.feature-card h3{font-size:20px;font-weight:800;margin-bottom:8px}
.feature-card p{color:var(--muted);margin:0;line-height:1.7}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.section-eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);font-weight:800;margin-bottom:8px}
.section-title{font-size:clamp(28px,3.5vw,38px);font-weight:900;letter-spacing:-.03em}
.section-link{font-weight:700;color:var(--primary)}
.stats-card{height:100%;background:linear-gradient(180deg,#fff 0%,#fbfcff 100%);border:1px solid var(--border);border-radius:24px;padding:26px 14px;box-shadow:0 14px 40px rgba(23,32,51,.04)}
.stats-number{font-size:40px;font-weight:900;letter-spacing:-.04em;line-height:1;margin-bottom:8px}
.surface-panel{background:linear-gradient(180deg,#ffffff 0%,#fbfcff 100%);border:1px solid var(--border);border-radius:28px;padding:28px;box-shadow:0 16px 44px rgba(23,32,51,.04)}
.course-card{height:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:.22s;text-decoration:none;color:inherit;display:block;box-shadow:0 10px 30px rgba(23,32,51,.03)}
.course-card:hover{transform:translateY(-4px);box-shadow:0 20px 46px rgba(23,32,51,.08);border-color:#d6e1f3}
.course-card-polish{background:linear-gradient(180deg,#fff 0%,#fbfcff 100%)}
.course-meta-row{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);font-weight:700;margin-top:auto}
.course-explore{margin-top:16px;color:var(--primary);font-weight:800}
.recent-card strong{font-size:1.02rem;line-height:1.45}
.why-card{background:#f9fbff;border:1px solid var(--border);border-radius:22px;padding:22px}
.why-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.why-card p{margin:0;color:var(--muted);line-height:1.7}
.empty-state{padding:48px 28px}
.cta-band{background:linear-gradient(135deg,#fff 0%,#eef4ff 100%);border:1px solid var(--border);border-radius:30px;padding:44px 28px;box-shadow:0 16px 48px rgba(23,32,51,.05)}
.code{display:inline-block;background:#edf2ff;color:var(--primary);padding:7px 10px;border-radius:999px;font-weight:800;font-size:13px}
.pill-soft{display:inline-block;background:#f0fffb;color:#0b8477;padding:6px 10px;border-radius:999px;font-weight:700;font-size:12px}
.muted{color:var(--muted)}
footer{border-top:1px solid var(--border);margin-top:60px;padding:30px 0;background:rgba(255,255,255,.75);backdrop-filter:blur(8px)}
.footer-polish{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.dm-ad-slot{margin:28px auto;padding:12px 14px;background:color-mix(in srgb,var(--surface) 96%,var(--bg));border:1px solid var(--border);border-radius:14px;max-width:1100px;text-align:center;overflow:hidden}
.dm-ad-label{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.dm-ad-code{min-height:1px}
.content-body{font-size:1.04rem;line-height:1.8}
.course-card .btn{white-space:nowrap}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid color-mix(in srgb,var(--primary) 35%,transparent);outline-offset:2px}
@media(min-width:992px){.dm-ad-hide-desktop{display:none!important}}
@media(min-width:768px) and (max-width:991.98px){.dm-ad-hide-tablet{display:none!important}}
@media(max-width:767.98px){.dm-ad-hide-mobile{display:none!important}}
@media(max-width:991.98px){.hero{padding:48px 0 32px}.hero-shell{padding:24px;border-radius:24px}.hero h1{font-size:48px}.hero-actions .btn{width:100%}.searchbox .btn{min-width:110px}.surface-panel,.cta-band{padding:24px}.footer-polish{text-align:center;justify-content:center}}
@media(max-width:767.98px){.site-logo{height:38px;max-width:190px}.hero h1{font-size:42px}.hero p{font-size:16px}.course-card{padding:20px}.section-title{font-size:26px}.searchbox{padding:7px;border-radius:18px}.navbar .brand img{max-width:150px!important}.stats-number{font-size:34px}.feature-card,.why-card{padding:20px}.section-head{margin-bottom:14px}}
.site-brand-logo{height:46px;max-height:46px!important;width:auto;max-width:230px!important;object-fit:contain;display:block}
@media(max-width:767.98px){.site-brand-logo{height:40px;max-height:40px!important;max-width:190px!important}}

/* Final navbar logo hardening: uploaded logos can never stretch the header. */
.navbar{min-height:72px!important;overflow:visible}
.navbar .container{min-height:56px;align-items:center!important}
.navbar .brand{display:flex!important;align-items:center!important;max-width:250px!important;height:56px!important;overflow:hidden!important;flex:0 0 auto}
.navbar .brand .site-logo,.navbar .brand img{display:block!important;width:auto!important;height:48px!important;max-height:48px!important;max-width:230px!important;object-fit:contain!important;object-position:left center!important}
@media(max-width:767.98px){
  .navbar{min-height:64px!important}
  .navbar .container{min-height:48px}
  .navbar .brand{height:48px!important;max-width:180px!important}
  .navbar .brand .site-logo,.navbar .brand img{height:40px!important;max-height:40px!important;max-width:170px!important}
}

/* V5 navbar logo readability fix */
.navbar .brand{display:flex;align-items:center;min-height:68px}
.navbar .brand .site-logo{height:64px!important;max-height:64px!important;max-width:310px!important;width:auto!important;object-fit:contain!important}
@media(max-width:767.98px){.navbar .brand{min-height:52px}.navbar .brand .site-logo{height:46px!important;max-height:46px!important;max-width:220px!important}}


/* V6: wider logo while keeping the same navbar/logo height */
.navbar .brand{height:64px!important;min-height:64px!important;max-width:380px!important;overflow:visible!important}
.navbar .brand .site-logo,.navbar .brand img{width:360px!important;height:64px!important;max-width:360px!important;max-height:64px!important;object-fit:fill!important;object-position:left center!important}
@media(max-width:767.98px){
  .navbar .brand{height:46px!important;min-height:46px!important;max-width:255px!important}
  .navbar .brand .site-logo,.navbar .brand img{width:245px!important;height:46px!important;max-width:245px!important;max-height:46px!important;object-fit:fill!important}
}


/* V7 Admin-controlled logo width. Height stays fixed. */
.navbar .brand{height:64px!important;min-height:64px!important;max-width:none!important;overflow:visible!important;flex:0 0 auto!important}
.navbar .brand .site-logo,.navbar .brand img.site-logo{display:block!important;width:var(--dm-logo-width,360px)!important;max-width:none!important;height:64px!important;max-height:64px!important;object-fit:fill!important;object-position:left center!important}
@media(max-width:767.98px){
  .navbar .brand{height:46px!important;min-height:46px!important;max-width:none!important}
  .navbar .brand .site-logo,.navbar .brand img.site-logo{width:var(--dm-logo-mobile-width,245px)!important;max-width:none!important;height:46px!important;max-height:46px!important;object-fit:fill!important}
}

/* Daemath Content & Pages Design Pack */
.dm-breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.dm-breadcrumb a{color:var(--primary);font-weight:700}
.content-hero,.page-hero,.resource-hero{padding:42px 0 28px}
.content-hero-shell,.page-hero-shell,.resource-hero-shell{background:linear-gradient(135deg,#ffffff 0%,#f4f7ff 56%,#effbf9 100%);border:1px solid var(--border);border-radius:30px;padding:34px;box-shadow:0 18px 55px rgba(23,32,51,.055);position:relative;overflow:hidden}
.content-hero-shell:after,.page-hero-shell:after,.resource-hero-shell:after{content:"";position:absolute;width:230px;height:230px;border-radius:50%;background:rgba(36,87,255,.07);right:-80px;top:-90px;pointer-events:none}
.content-hero-copy{position:relative;z-index:1;max-width:930px}
.content-hero h1,.page-hero h1,.resource-hero h1{font-size:clamp(36px,5vw,58px);font-weight:900;letter-spacing:-.04em;line-height:1.04;margin:0}
.content-hero-sub,.page-hero-shell p,.resource-hero-shell p{font-size:17px;color:var(--muted);margin:14px 0 0;line-height:1.7;max-width:760px}
.content-meta-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:18px;color:var(--muted);font-size:13px;font-weight:600}
.dm-study-link{background:#eef3ff;color:var(--primary)!important}
.featured-cover{border-radius:26px;overflow:hidden;box-shadow:0 18px 50px rgba(15,23,42,.08);background:#fff;border:1px solid var(--border)}
.featured-cover img{display:block;width:100%;height:auto}
.content-featured img{aspect-ratio:16/9;object-fit:cover}
.article-surface,.page-surface{background:#fff;border:1px solid var(--border);border-radius:28px;padding:34px;box-shadow:0 14px 40px rgba(23,32,51,.045)}
.article-label,.sidebar-kicker{font-size:11px;letter-spacing:.13em;text-transform:uppercase;font-weight:800;color:var(--primary);margin-bottom:12px}
.content-body{font-size:1.075rem;line-height:1.92;color:#24324a;white-space:normal}
.content-body p{margin-bottom:1.25rem}
.content-section{margin-top:34px}
.content-section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.content-section-head h2{font-size:27px;font-weight:900;letter-spacing:-.025em;margin:0}
.download-card{display:flex;align-items:center;gap:16px;padding:18px 20px;background:#fff;border:1px solid var(--border);border-radius:20px;color:var(--text);box-shadow:0 10px 28px rgba(23,32,51,.035);transition:.2s ease}
.download-card:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(23,32,51,.075);border-color:#d7e3ff}
.download-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#eef3ff;color:var(--primary);font-size:22px;font-weight:900}
.download-card strong{display:block}.download-card small{display:block;color:var(--muted);margin-top:3px}.download-action{font-size:13px;font-weight:800;color:var(--primary)}
.study-image-card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:14px;box-shadow:0 12px 32px rgba(23,32,51,.035);position:relative;margin:0}
.study-image-card img{display:block;max-width:100%;height:auto;margin:auto;border-radius:16px}
.study-image-card figcaption{text-align:center;color:var(--muted);font-size:13px;margin-top:12px}
.study-image-number{position:absolute;top:24px;left:24px;background:rgba(15,23,42,.88);color:#fff;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;z-index:2}
.related-card{height:100%;display:flex;justify-content:space-between;gap:16px;padding:22px;background:linear-gradient(180deg,#fff,#fbfcff);border:1px solid var(--border);border-radius:22px;color:var(--text);transition:.2s ease}
.related-card:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(23,32,51,.07)}
.related-card h3{font-size:17px;font-weight:800;line-height:1.4;margin:0}.related-card p{color:var(--muted);font-size:13px;margin:8px 0 0}.related-arrow{font-size:24px;color:var(--primary)}
.content-sidebar-sticky{position:sticky;top:96px;display:grid;gap:18px}
.study-action-card,.resource-info-card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:24px;box-shadow:0 12px 36px rgba(23,32,51,.04)}
.study-action-card h2,.resource-info-card h2{font-size:22px;font-weight:900;margin-bottom:8px}.study-action-card p{color:var(--muted);line-height:1.65;font-size:14px}
.engagement-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px}.engagement-grid>div{background:#f8fbff;border:1px solid var(--border);border-radius:14px;padding:12px 8px;text-align:center}.engagement-grid strong{display:block;font-size:18px}.engagement-grid span{font-size:11px;color:var(--muted)}
.resource-info-card dl{margin:0}.resource-info-card dl>div{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--border)}.resource-info-card dl>div:last-child{border-bottom:0}.resource-info-card dt{font-size:13px;color:var(--muted);font-weight:600}.resource-info-card dd{font-size:13px;font-weight:800;margin:0;text-align:right}.sidebar-course-link{display:block;margin-top:16px;font-weight:800;color:var(--primary)}
.page-hero-shell{padding:38px}.page-surface{min-height:280px}.page-content{font-size:1.08rem;line-height:1.95}
.resource-hero-shell{display:flex;justify-content:space-between;align-items:center;gap:30px}.resource-count{position:relative;z-index:1;min-width:180px;text-align:center;background:#fff;border:1px solid var(--border);border-radius:22px;padding:22px}.resource-count strong{display:block;font-size:40px;font-weight:900;line-height:1}.resource-count span{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-top:8px}
.resource-list-card{height:100%;display:block;background:linear-gradient(180deg,#fff,#fbfcff);border:1px solid var(--border);border-radius:24px;padding:24px;color:var(--text);box-shadow:0 10px 30px rgba(23,32,51,.035);transition:.22s ease}.resource-list-card:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(23,32,51,.08);border-color:#d7e3ff}.resource-list-card h2{font-size:20px;font-weight:900;line-height:1.4;margin:18px 0 8px}.resource-list-card p{color:var(--muted);font-size:14px;line-height:1.6}.resource-list-arrow{font-size:24px;color:var(--primary);font-weight:800}.resource-list-footer{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--border);padding-top:14px;margin-top:18px;font-size:12px;color:var(--muted);font-weight:700}.resource-list-footer span{color:var(--primary)}
footer a{color:var(--primary);font-weight:700}
@media(max-width:1199.98px){.content-sidebar-sticky{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767.98px){.content-hero,.page-hero,.resource-hero{padding:28px 0 18px}.content-hero-shell,.page-hero-shell,.resource-hero-shell{padding:24px;border-radius:24px}.content-hero h1,.page-hero h1,.resource-hero h1{font-size:36px}.article-surface,.page-surface{padding:22px;border-radius:22px}.content-body,.page-content{font-size:1rem;line-height:1.82}.content-sidebar-sticky{grid-template-columns:1fr}.resource-hero-shell{display:block}.resource-count{margin-top:20px;min-width:0}.content-section-head h2{font-size:23px}.download-card{align-items:flex-start;flex-wrap:wrap}.download-action{width:100%;padding-left:62px}.engagement-grid{grid-template-columns:repeat(3,1fr)}}

/* Daemath SM Coder-inspired Blue Premium Theme */
.dm-smcoder-home{background:#f5f9ff;color:#10233f}
.dm-premium-nav{background:rgba(255,255,255,.94)!important;border-bottom:1px solid #dfe9f5!important;box-shadow:0 8px 28px rgba(6,26,51,.05)}
.dm-premium-nav .nav-link{color:#163150!important;font-weight:700}
.dm-premium-nav .nav-link:hover{background:#eaf4ff!important;color:#1266e8!important}
.sm-hero{position:relative;overflow:hidden;padding:86px 0 74px;background:linear-gradient(135deg,#071a33 0%,#0a274b 48%,#0b335a 100%);color:#fff}
.sm-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,#000,transparent 90%)}
.sm-orb{position:absolute;border-radius:50%;filter:blur(12px);opacity:.48}.sm-orb-a{width:420px;height:420px;background:#005eff;right:-150px;top:-170px}.sm-orb-b{width:320px;height:320px;background:#00c2ff;left:-130px;bottom:-180px;opacity:.24}
.sm-kicker,.sm-section-label{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(91,190,255,.45);background:rgba(7,55,95,.55);color:#7ddcff;padding:8px 13px;border-radius:999px;font-size:12px;letter-spacing:.13em;font-weight:800}
.sm-hero h1{font-size:clamp(48px,6.4vw,78px);font-weight:900;letter-spacing:-.055em;line-height:.98;max-width:850px;margin:20px 0 0;color:#fff}
.sm-hero-text{font-size:19px;line-height:1.75;max-width:720px;color:#c2d3e6;margin-top:22px}
.sm-btn-primary{background:linear-gradient(135deg,#1268f5,#00aef3);border:0;color:#fff;font-weight:800;border-radius:14px;padding:.9rem 1.3rem;box-shadow:0 12px 32px rgba(0,137,255,.28)}
.sm-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 38px rgba(0,137,255,.34)}
.sm-btn-outline{border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:#fff;font-weight:700;border-radius:14px;padding:.9rem 1.3rem}.sm-btn-outline:hover{background:#fff;color:#0a274b}
.sm-search{max-width:780px;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid rgba(255,255,255,.28);border-radius:17px;padding:8px;box-shadow:0 20px 50px rgba(0,0,0,.2)}
.sm-search>span{color:#6f849a;font-size:20px;padding-left:10px}.sm-search input{min-width:0;flex:1;border:0;outline:0;padding:13px 8px;color:#12243e;background:transparent}.sm-search button{border:0;border-radius:12px;padding:12px 24px;background:linear-gradient(135deg,#1268f5,#00aef3);color:#fff;font-weight:800}
.sm-trust-row{display:flex;flex-wrap:wrap;gap:16px;color:#b9cbe0;font-size:13px;font-weight:650}.sm-trust-row span{display:flex;align-items:center;gap:5px}
.sm-study-console{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.07));border:1px solid rgba(255,255,255,.17);border-radius:28px;padding:20px;box-shadow:0 24px 70px rgba(0,0,0,.28);backdrop-filter:blur(18px)}
.sm-study-console:before{content:"";position:absolute;inset:-1px;border-radius:28px;padding:1px;background:linear-gradient(135deg,rgba(0,194,255,.75),transparent 40%,rgba(30,115,255,.5));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.sm-console-head{display:flex;align-items:center;gap:9px;color:#9eb6ce;font-size:11px;letter-spacing:.12em;font-weight:800;padding:2px 2px 16px}.sm-dot{width:8px;height:8px;background:#00d88a;border-radius:50%;box-shadow:0 0 0 5px rgba(0,216,138,.1)}.sm-live{margin-left:auto;color:#51e7bd}
.sm-math-card{display:flex;align-items:center;gap:16px;padding:19px;background:linear-gradient(135deg,rgba(0,139,255,.19),rgba(0,194,255,.09));border:1px solid rgba(87,190,255,.22);border-radius:20px}.sm-math-icon{width:56px;height:56px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,#1268f5,#00b8ef);font-size:30px;font-weight:900;box-shadow:0 10px 30px rgba(0,139,255,.25)}.sm-math-card small{display:block;color:#9ab1c9;margin-bottom:4px}.sm-math-card strong{display:block;font-size:20px;color:#fff}
.sm-console-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}.sm-console-grid div{background:rgba(4,25,48,.55);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:17px;text-align:center}.sm-console-grid strong{display:block;color:#fff;font-size:27px;line-height:1}.sm-console-grid span{display:block;color:#8fa8c2;font-size:12px;margin-top:7px}
.sm-formula-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}.sm-formula-row span{border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px 4px;text-align:center;color:#aee7ff;background:rgba(255,255,255,.04);font-weight:700;font-size:13px}
.sm-feature-strip{position:relative;margin-top:-26px;z-index:3}.sm-feature-card{background:#fff;border:1px solid #e0ebf7;border-radius:22px;padding:24px;box-shadow:0 14px 38px rgba(16,42,75,.07);transition:.22s}.sm-feature-card:hover{transform:translateY(-4px);box-shadow:0 20px 45px rgba(16,42,75,.11)}.sm-feature-num{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:#eaf5ff;color:#1472eb;font-weight:900;margin-bottom:18px}.sm-feature-card h3{font-size:19px;font-weight:850;color:#10233f}.sm-feature-card p{color:#6c7f94;line-height:1.65;margin:0;font-size:14px}
.sm-section{padding:72px 0 0}.sm-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:24px}.sm-section-head span{display:block;color:#1472eb;font-size:12px;letter-spacing:.14em;font-weight:900;margin-bottom:8px}.sm-section-head h2,.sm-about-block h2{font-size:clamp(30px,4vw,45px);font-weight:900;letter-spacing:-.035em;color:#10233f;margin:0}.sm-section-head p{color:#71839a;margin:8px 0 0}.sm-section-head>a{font-weight:800;color:#1472eb}
.sm-course-card{height:100%;display:block;background:#fff;border:1px solid #dfe9f5;border-radius:22px;padding:24px;color:#10233f;box-shadow:0 10px 30px rgba(16,42,75,.045);transition:.22s}.sm-course-card:hover{color:#10233f;transform:translateY(-5px);border-color:#bcd7f2;box-shadow:0 20px 48px rgba(16,42,75,.1)}.sm-course-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.sm-code{display:inline-block;background:#eaf5ff;color:#176be1;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:900}.sm-arrow{width:36px;height:36px;display:grid;place-items:center;border-radius:12px;background:#f2f7fc;color:#1472eb;font-weight:900}.sm-subject{font-size:12px;color:#688096;font-weight:800}.sm-course-card h3{font-size:21px;font-weight:850;margin:18px 0 8px}.sm-course-card p{color:#71839a;line-height:1.65;font-size:14px}.sm-course-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.sm-course-meta span{font-size:12px;font-weight:750;color:#4e6781;background:#f4f8fc;border-radius:999px;padding:7px 10px}.sm-open-link{color:#1472eb;font-weight:850;margin-top:18px}
.sm-stats-band{display:grid;grid-template-columns:repeat(4,1fr);margin-top:74px;background:linear-gradient(135deg,#09213f,#0d345c);border-radius:28px;padding:28px;box-shadow:0 22px 55px rgba(9,33,63,.18)}.sm-stats-band div{padding:10px 24px;border-right:1px solid rgba(255,255,255,.12)}.sm-stats-band div:last-child{border-right:0}.sm-stats-band span{display:block;color:#9bb2c9;font-size:13px}.sm-stats-band strong{display:block;color:#fff;font-size:34px;margin-top:5px;letter-spacing:-.04em}
.sm-about-block{background:#fff;border:1px solid #e1ebf5;border-radius:30px;padding:38px!important;margin-top:72px;box-shadow:0 15px 42px rgba(16,42,75,.055)}.sm-about-block p{color:#6c8095;line-height:1.8;font-size:16px}.sm-check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}.sm-check-grid span{padding:12px 14px;border-radius:14px;background:#f4f9ff;color:#36526f;font-weight:700;font-size:14px}.sm-value-stack{display:grid;gap:12px}.sm-value-stack>div{display:flex;gap:15px;padding:18px;border:1px solid #e1eaf4;border-radius:18px;background:#fbfdff}.sm-value-stack b{width:42px;height:42px;display:grid;place-items:center;flex:0 0 42px;border-radius:13px;background:linear-gradient(135deg,#1268f5,#00aef3);color:#fff}.sm-value-stack strong,.sm-value-stack small{display:block}.sm-value-stack strong{color:#10233f;margin-bottom:5px}.sm-value-stack small{color:#77899d;line-height:1.5}
.sm-resource-card{height:100%;display:block;background:#fff;border:1px solid #e0eaf5;border-radius:20px;padding:22px;color:#10233f;transition:.2s}.sm-resource-card:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(16,42,75,.08)}.sm-resource-card>span{font-size:11px;letter-spacing:.08em;font-weight:850;color:#1472eb}.sm-resource-card h3{font-size:18px;font-weight:800;margin:12px 0 16px}.sm-resource-card b{color:#1472eb;font-size:13px}
.sm-cta{margin:78px 0 10px;padding:42px;border-radius:30px;background:linear-gradient(135deg,#0a2342,#0c3a66);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:0 22px 55px rgba(9,33,63,.2);position:relative;overflow:hidden}.sm-cta:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-90px;top:-90px;background:rgba(0,194,255,.14)}.sm-cta>div,.sm-cta>a{position:relative;z-index:1}.sm-cta span{font-size:12px;letter-spacing:.13em;color:#6fd7ff;font-weight:900}.sm-cta h2{font-weight:900;margin:8px 0 8px;font-size:clamp(28px,4vw,40px)}.sm-cta p{color:#bed0e2;margin:0;max-width:720px}.sm-btn-light{background:#fff;color:#0c2b4d;border:0;border-radius:14px;font-weight:850;white-space:nowrap}.sm-btn-light:hover{background:#eaf5ff;color:#1268f5}
.sm-footer{margin-top:70px;background:#06172e;border-top:0;padding:42px 0}.sm-footer .container{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}.sm-footer strong{font-size:24px;color:#fff}.sm-footer p{margin:5px 0 0;color:#849eb7}.sm-footer-links{display:flex;gap:22px;flex-wrap:wrap}.sm-footer-links a{color:#a9bfd3;font-weight:700}.sm-footer-links a:hover{color:#6ddcff}
@media(max-width:991.98px){.sm-hero{padding:58px 0 54px}.sm-hero h1{font-size:52px}.sm-study-console{margin-top:6px}.sm-stats-band{grid-template-columns:repeat(2,1fr)}.sm-stats-band div:nth-child(2){border-right:0}.sm-stats-band div:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.12)}.sm-cta{flex-direction:column;align-items:flex-start}.sm-check-grid{grid-template-columns:1fr}}
@media(max-width:575.98px){.sm-hero h1{font-size:42px}.sm-search{flex-wrap:wrap}.sm-search input{flex-basis:calc(100% - 45px)}.sm-search button{width:100%}.sm-formula-row{grid-template-columns:repeat(2,1fr)}.sm-stats-band{grid-template-columns:1fr}.sm-stats-band div{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.12)}.sm-stats-band div:last-child{border-bottom:0}.sm-about-block{padding:24px!important}.sm-cta{padding:30px 24px}.sm-feature-strip{margin-top:-14px}}

/* Unified Theme Engine V3: active theme colors drive the public site */
html,body,.dm-smcoder-home{background:var(--bg)!important;color:var(--text)!important}
.dm-premium-nav{background:var(--surface)!important}
.sm-hero{background:linear-gradient(135deg,var(--secondary) 0%,color-mix(in srgb,var(--secondary) 78%,var(--primary)) 72%,var(--primary) 140%)!important}
.sm-orb-a{background:var(--primary)!important}.sm-orb-b{background:var(--accent)!important}
.sm-kicker,.sm-section-label{border-color:color-mix(in srgb,var(--accent) 50%,transparent)!important;background:color-mix(in srgb,var(--secondary) 72%,transparent)!important;color:var(--accent)!important}
.sm-btn-primary,.sm-search button,.sm-math-icon,.sm-value-stack b{background:linear-gradient(135deg,var(--primary),var(--accent))!important}
.sm-study-console:before{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 78%,transparent),transparent 40%,color-mix(in srgb,var(--primary) 55%,transparent))!important}
.sm-math-card{background:linear-gradient(135deg,color-mix(in srgb,var(--primary) 24%,transparent),color-mix(in srgb,var(--accent) 12%,transparent))!important;border-color:color-mix(in srgb,var(--accent) 25%,transparent)!important}
.sm-feature-card,.sm-course-card,.sm-about-block,.sm-resource-card{background:var(--surface)!important}
.sm-feature-num,.sm-code{background:color-mix(in srgb,var(--primary) 10%,white)!important;color:var(--primary)!important}
.sm-section-head span,.sm-section-head>a,.sm-open-link,.sm-resource-card>span,.sm-resource-card b{color:var(--primary)!important}
.sm-course-card,.sm-feature-card,.sm-about-block,.sm-resource-card{border-color:color-mix(in srgb,var(--primary) 12%,#dfe9f5)!important}
.sm-course-card h3,.sm-feature-card h3,.sm-section-head h2,.sm-about-block h2,.sm-value-stack strong,.sm-resource-card{color:var(--text)!important}
.sm-section-head p,.sm-course-card p,.sm-feature-card p,.sm-about-block p,.sm-value-stack small{color:var(--muted)!important}
.sm-stats-band,.sm-cta{background:linear-gradient(135deg,var(--secondary),color-mix(in srgb,var(--secondary) 70%,var(--primary)))!important}
.sm-cta:after{background:color-mix(in srgb,var(--accent) 18%,transparent)!important}
.sm-footer{background:color-mix(in srgb,var(--secondary) 92%,black)!important}

/* V4 theme-aware modern footer */
.dm-modern-footer{position:relative;overflow:hidden;margin-top:74px;padding:64px 0 0;background:linear-gradient(135deg,color-mix(in srgb,var(--primary) 35%,#07111f 65%) 0%,color-mix(in srgb,var(--primary) 16%,#050b16 84%) 46%,color-mix(in srgb,var(--accent) 18%,#07111f 82%) 100%);border-top:1px solid color-mix(in srgb,var(--accent) 28%,transparent);color:#fff}
.dm-footer-glow{position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none;opacity:.22}
.dm-footer-glow-a{width:360px;height:360px;right:-120px;top:-180px;background:var(--primary)}
.dm-footer-glow-b{width:280px;height:280px;left:-130px;bottom:-160px;background:var(--accent)}
.dm-footer-top{display:grid;grid-template-columns:minmax(260px,1.5fr) repeat(3,minmax(160px,.75fr));gap:42px;padding-bottom:46px}
.dm-footer-brandline{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.dm-footer-icon{width:52px;height:52px;border-radius:16px;object-fit:cover;box-shadow:0 10px 30px rgba(0,0,0,.25);background:#fff}
.dm-footer-icon-fallback{display:grid;place-items:center;font-size:25px;font-weight:900;color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent))}
.dm-footer-brandline strong{display:block;font-size:24px;line-height:1.05;color:#fff;font-weight:900}
.dm-footer-brandline span{display:block;margin-top:6px;font-size:10px;letter-spacing:.16em;font-weight:800;color:color-mix(in srgb,var(--accent) 72%,white 28%)}
.dm-footer-brand p{max-width:430px;margin:0 0 18px;color:#b7c6d9;line-height:1.8;font-size:14px}
.dm-footer-badges{display:flex;gap:8px;flex-wrap:wrap}
.dm-footer-badges span{padding:7px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.055);font-size:11px;font-weight:700;color:#d9e7f5}
.dm-footer-col{display:flex;flex-direction:column;align-items:flex-start;gap:11px}
.dm-footer-col h3{margin:4px 0 8px;color:#fff;font-size:14px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.dm-modern-footer .dm-footer-col a{position:relative;color:#b8c7d9!important;text-decoration:none;font-size:14px;font-weight:650;transition:.2s ease}
.dm-modern-footer .dm-footer-col a:hover{color:#fff!important;transform:translateX(3px)}
.dm-modern-footer .dm-footer-col a::before{content:'';position:absolute;left:-12px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:0;transform:translateY(-50%);transition:.2s}
.dm-modern-footer .dm-footer-col a:hover::before{opacity:1}
.dm-footer-tagline{margin-top:4px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);font-size:12px;line-height:1.5;color:#9fb5cb}
.dm-footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;border-top:1px solid rgba(255,255,255,.09);color:#8ea5bd;font-size:12px}
.dm-footer-bottom span:last-child{color:color-mix(in srgb,var(--accent) 66%,white 34%);font-weight:800;letter-spacing:.06em}
@media(max-width:991.98px){.dm-footer-top{grid-template-columns:1.2fr 1fr;gap:32px}.dm-footer-brand{grid-column:1/-1}.dm-modern-footer{padding-top:48px}}
@media(max-width:575.98px){.dm-modern-footer{margin-top:54px;padding-top:38px}.dm-footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px}.dm-footer-brand{grid-column:auto}.dm-footer-bottom{flex-direction:column;align-items:flex-start}.dm-footer-brandline strong{font-size:22px}}