/* =====================================================================
   PTA CONSULT NIGERIA — Design System
   Brand: Red (#D32027) · Black (#111214) · White / Light Gray (#F5F6F8)
   ===================================================================== */

:root {
  --primary: #D32027;
  --primary-dark: #A8181E;
  --primary-light: #E8464C;
  --primary-soft: #FDECEC;
  --secondary: #111214;
  --ink: #1A1B1E;
  --ink-soft: #374151;
  --muted: #6B7280;
  --muted-light: #9CA3AF;
  --surface: #FFFFFF;
  --bg: #F5F6F8;
  --border: #E5E7EB;
  --border-strong: #D1D5DB;
  --success: #15803D;
  --success-soft: #DCFCE7;
  --warning: #B45309;
  --warning-soft: #FEF3C7;
  --danger: #B91C1C;
  --danger-soft: #FEE2E2;
  --info: #1D4ED8;
  --info-soft: #DBEAFE;
  --gold: #C99A2E;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 999px;

  --shadow-xs: 0 1px 2px rgba(17,18,20,.05);
  --shadow-sm: 0 1px 3px rgba(17,18,20,.08), 0 1px 2px rgba(17,18,20,.04);
  --shadow: 0 4px 12px rgba(17,18,20,.07), 0 1px 3px rgba(17,18,20,.05);
  --shadow-md: 0 10px 24px rgba(17,18,20,.08), 0 2px 6px rgba(17,18,20,.05);
  --shadow-lg: 0 20px 45px rgba(17,18,20,.12);

  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

  --header-h: 70px;
  --sidebar-w: 262px;
  --container: 1200px;

  --t-fast: 140ms ease;
  --t: 220ms ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; padding: 0; font-family: var(--font); font-size: 16px; line-height: 1.6;
  color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; font-size: inherit; cursor: pointer; }
ul, ol { margin: 0 0 1rem; padding-left: 1.25rem; }
hr { border: 0; border-top: 1px solid var(--border); margin: 1.5rem 0; }
:focus-visible { outline: 3px solid rgba(211,32,39,.35); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--primary); color: #fff; }

h1, h2, h3, h4, h5, h6 { margin: 0 0 .6em; line-height: 1.22; font-weight: 800; letter-spacing: -.015em; color: var(--secondary); }
h1, .h1 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); }
h2, .h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3, .h3 { font-size: clamp(1.2rem, 2.2vw, 1.5rem); }
h4, .h4 { font-size: 1.125rem; }
h5, .h5 { font-size: 1rem; }
p { margin: 0 0 1rem; }
.lead { font-size: 1.09rem; color: var(--ink-soft); line-height: 1.7; }
.text-muted { color: var(--muted) !important; }
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-white { color: #fff !important; }
.text-small { font-size: .85rem; }
.text-xs { font-size: .78rem; }
.text-lg { font-size: 1.09rem; }
.strong, .fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.uppercase { text-transform: uppercase; letter-spacing: .08em; }
.mono { font-family: var(--font-mono); }
.eyebrow { font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--primary); margin-bottom: .5rem; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.nowrap { white-space: nowrap; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container.wide { max-width: 1440px; }
.container.narrow { max-width: 760px; }
.section { padding: 68px 0; }
.section-sm { padding: 40px 0; }
.section-dark { background: var(--secondary); color: #fff; }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-dark .text-muted { color: rgba(255,255,255,.68) !important; }
.section-white { background: #fff; }
.row { display: flex; flex-wrap: wrap; gap: 22px; }
.row.tight { gap: 12px; }
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; min-width: 0; }
.gap-4 { gap: 4px; } .gap-6 { gap: 6px; } .gap-8 { gap: 8px; }
.gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-20 { gap: 20px; } .gap-28 { gap: 28px; }
.mt-0{margin-top:0}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}
.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-40{margin-top:40px}
.mb-0{margin-bottom:0}.mb-4{margin-bottom:4px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}
.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}
.ml-auto{margin-left:auto}.mr-auto{margin-right:auto}
.p-0{padding:0}.p-12{padding:12px}.p-16{padding:16px}.p-20{padding:20px}.p-24{padding:24px}.p-32{padding:32px}
.text-center { text-align: center; }
.text-right { text-align: right; }
.w-100 { width: 100%; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.section-head { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head p { color: var(--muted); font-size: 1.05rem; margin: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius);
  font-size: .95rem; font-weight: 700; line-height: 1.2;
  border: 1px solid transparent; background: transparent; color: var(--ink);
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn.disabled { opacity: .55; pointer-events: none; }
.btn svg { flex-shrink: 0; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(211,32,39,.22); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 4px 14px rgba(211,32,39,.3); }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { background: #000; color: #fff; }
.btn-outline { border-color: var(--border-strong); background: #fff; color: var(--ink); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.btn-outline-light { border-color: rgba(255,255,255,.45); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }
.btn-ghost { color: var(--ink-soft); }
.btn-ghost:hover { background: rgba(17,18,20,.06); color: var(--ink); }
.btn-light { background: #fff; color: var(--secondary); border-color: var(--border); }
.btn-light:hover { background: var(--bg); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #116632; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #991B1B; color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #92400E; color: #fff; }
.btn-whatsapp { background: #25D366; color: #06301A; }
.btn-whatsapp:hover { background: #1EBE5A; color: #06301A; }
.btn-lg { padding: 15px 30px; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 14px; font-size: .84rem; border-radius: var(--radius-sm); }
.btn-xs { padding: 5px 10px; font-size: .76rem; border-radius: var(--radius-sm); }
.btn-icon { padding: 9px; border-radius: var(--radius); }
.btn-block { width: 100%; }
.btn-group { display: inline-flex; gap: 8px; flex-wrap: wrap; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); overflow: hidden; }
.card-pad { padding: 22px; }
.card-head { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; background: #fff; }
.card-head h3, .card-head h4 { margin: 0; font-size: 1.02rem; }
.card-head p { margin: 3px 0 0; font-size: .85rem; color: var(--muted); }
.card-body { padding: 22px; }
.card-footer { padding: 14px 22px; border-top: 1px solid var(--border); background: #FAFAFB; }
.card-hover { transition: transform var(--t), box-shadow var(--t), border-color var(--t); }
.card-hover:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.card-dark { background: var(--secondary); border-color: #000; color: #fff; }
.card-dark .card-head { background: transparent; border-color: rgba(255,255,255,.1); }

.hero { position: relative; background: var(--secondary); color: #fff; padding: 84px 0 76px; overflow: hidden; }
.hero::after { content: ''; position: absolute; right: -140px; top: -120px; width: 520px; height: 520px; background: radial-gradient(circle, rgba(211,32,39,.34), rgba(211,32,39,0) 68%); pointer-events: none; }
.hero::before { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(211,32,39,.6), transparent); }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5.4vw, 3.5rem); line-height: 1.08; letter-spacing: -.03em; margin-bottom: 18px; font-weight: 900; }
.hero h1 .accent { color: var(--primary-light); display: block; }
.hero .lead { color: rgba(255,255,255,.82); font-size: 1.1rem; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.hero-trust { display: flex; gap: 26px; flex-wrap: wrap; margin-top: 34px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.13); }
.hero-trust-item strong { display: block; font-size: 1.5rem; font-weight: 800; color: #fff; }
.hero-trust-item span { font-size: .82rem; color: rgba(255,255,255,.65); }
.hero-visual { position: relative; }
.hero-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-xl); padding: 22px; }
.hero-card-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,.6); margin-bottom: 14px; }
.hero-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.hero-list li { display: flex; gap: 12px; align-items: flex-start; font-size: .93rem; color: rgba(255,255,255,.9); }
.hero-list .tick { flex: 0 0 22px; width: 22px; height: 22px; border-radius: 50%; background: rgba(211,32,39,.85); color: #fff; display: grid; place-items: center; font-size: .72rem; font-weight: 800; margin-top: 1px; }
.hero-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; background: rgba(211,32,39,.16); border: 1px solid rgba(211,32,39,.4); border-radius: var(--radius-full); font-size: .78rem; font-weight: 700; color: #FFB3B6; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 20px; }

.site-header { position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--border); }
.site-header .container { display: flex; align-items: center; gap: 22px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; flex-shrink: 0; }
.brand-mark { width: 40px; height: 40px; border-radius: 9px; display: grid; place-items: center; background: var(--primary); color: #fff; font-weight: 900; font-size: .88rem; letter-spacing: -.02em; }
.brand-text { line-height: 1.12; }
.brand-text strong { display: block; font-size: .92rem; color: var(--secondary); letter-spacing: .01em; }
.brand-text span { font-size: .68rem; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.nav-main { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav-link { position: relative; padding: 9px 13px; border-radius: var(--radius-sm); color: var(--ink-soft); font-size: .92rem; font-weight: 600; }
.nav-link:hover { color: var(--primary); background: var(--primary-soft); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { content: ''; position: absolute; left: 13px; right: 13px; bottom: 2px; height: 2px; background: var(--primary); border-radius: 2px; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.header-search { position: relative; }
.header-search input { width: 220px; padding: 9px 14px 9px 38px; border: 1px solid var(--border); border-radius: var(--radius-full); font-size: .89rem; background: var(--bg); }
.header-search input:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(211,32,39,.12); }
.header-search svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px; color: var(--ink); }
.mobile-nav { display: none; border-top: 1px solid var(--border); background: #fff; padding: 12px 0 20px; }
.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: 11px 20px; color: var(--ink-soft); font-weight: 600; border-bottom: 1px solid var(--border); }
.mobile-nav a:hover { background: var(--bg); color: var(--primary); }
.mobile-nav .mobile-cta { padding: 14px 20px 0; display: grid; gap: 10px; }

.site-footer { background: var(--secondary); color: rgba(255,255,255,.72); padding: 56px 0 0; margin-top: 72px; }
.site-footer h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 16px; }
.site-footer a { color: rgba(255,255,255,.72); font-size: .92rem; }
.site-footer a:hover { color: var(--primary-light); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 42px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; font-size: .92rem; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { color: var(--primary-light); flex-shrink: 0; margin-top: 2px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.08); color: #fff; }
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: .84rem; }
.footer-bottom a { font-size: .84rem; }

.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(285px, 1fr)); gap: 24px; }
.course-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-xs); transition: transform var(--t), box-shadow var(--t); }
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.course-thumb { position: relative; aspect-ratio: 16 / 9; background: var(--bg); overflow: hidden; }
.course-thumb img { width: 100%; height: 100%; object-fit: cover; }
.course-thumb-fallback { width: 100%; height: 100%; display: grid; place-items: center; background: linear-gradient(135deg, var(--secondary), #2B2D33); color: rgba(255,255,255,.9); font-weight: 800; font-size: 1.35rem; text-align: center; padding: 20px; letter-spacing: -.01em; }
.course-badges { position: absolute; top: 11px; left: 11px; display: flex; gap: 6px; flex-wrap: wrap; }
.course-badges-right { position: absolute; top: 11px; right: 11px; display: flex; gap: 6px; }
.course-body { padding: 17px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.course-cat { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--primary); margin-bottom: 7px; }
.course-title { font-size: 1.03rem; font-weight: 800; line-height: 1.32; margin: 0 0 8px; color: var(--secondary); }
.course-title a { color: inherit; }
.course-title a:hover { color: var(--primary); }
.course-instructor { font-size: .83rem; color: var(--muted); margin-bottom: 10px; }
.course-rating { display: flex; align-items: center; gap: 7px; font-size: .83rem; margin-bottom: 12px; }
.course-rating .stars { color: var(--gold); letter-spacing: 1px; font-size: .86rem; }
.course-meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: .79rem; color: var(--muted); padding-top: 12px; margin-top: auto; border-top: 1px solid var(--border); }
.course-meta span { display: inline-flex; align-items: center; gap: 5px; }
.course-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-top: 1px solid var(--border); background: #FCFCFD; }
.price { display: flex; align-items: baseline; gap: 8px; }
.price-now { font-size: 1.18rem; font-weight: 800; color: var(--secondary); }
.price-now.free { color: var(--success); }
.price-was { font-size: .84rem; color: var(--muted-light); text-decoration: line-through; }
.price-off { font-size: .72rem; font-weight: 800; color: var(--primary); background: var(--primary-soft); padding: 3px 7px; border-radius: var(--radius-sm); }

.badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: var(--radius-full); font-size: .72rem; font-weight: 800; letter-spacing: .02em; line-height: 1.4; white-space: nowrap; background: var(--bg); color: var(--ink-soft); border: 1px solid var(--border); }
.badge-red, .badge-primary { background: var(--primary-soft); color: var(--primary-dark); border-color: rgba(211,32,39,.24); }
.badge-dark { background: rgba(17,18,20,.9); color: #fff; border-color: transparent; }
.badge-green { background: var(--success-soft); color: #14532D; border-color: #A7E3BC; }
.badge-amber { background: var(--warning-soft); color: #78350F; border-color: #F5D68A; }
.badge-gray { background: #F3F4F6; color: #4B5563; border-color: var(--border); }
.badge-blue { background: var(--info-soft); color: #1E3A8A; border-color: #B7D2F7; }
.badge-gold { background: #FBF3DF; color: #7A5B12; border-color: #E9D29A; }
.badge-outline { background: transparent; border-color: var(--border-strong); }
.badge-cert { background: #FBF3DF; color: #7A5B12; border-color: #E9D29A; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 18px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-xs); position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--primary); }
.stat-card.tone-dark::before { background: var(--secondary); }
.stat-card.tone-green::before { background: var(--success); }
.stat-card.tone-amber::before { background: var(--warning); }
.stat-card.tone-blue::before { background: var(--info); }
.stat-card.tone-gold::before { background: var(--gold); }
.stat-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.stat-label { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.stat-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); flex-shrink: 0; }
.stat-icon.tone-dark { background: #ECEDEF; color: var(--secondary); }
.stat-icon.tone-green { background: var(--success-soft); color: var(--success); }
.stat-icon.tone-amber { background: var(--warning-soft); color: var(--warning); }
.stat-icon.tone-blue { background: var(--info-soft); color: var(--info); }
.stat-value { font-size: 1.7rem; font-weight: 800; color: var(--secondary); line-height: 1.15; letter-spacing: -.02em; }
.stat-value.small { font-size: 1.3rem; }
.stat-sub { font-size: .82rem; color: var(--muted); margin-top: 5px; }
.stat-sub .up { color: var(--success); font-weight: 700; }
.stat-sub .down { color: var(--danger); font-weight: 700; }
.stat-mini-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(148px, 1fr)); gap: 14px; }
.stat-mini { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 15px; box-shadow: var(--shadow-xs); }
.stat-mini .label { font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; }
.stat-mini .value { font-size: 1.22rem; font-weight: 800; color: var(--secondary); margin-top: 4px; }

.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: .88rem; font-weight: 700; color: var(--ink); margin-bottom: 7px; }
.form-label .req { color: var(--primary); }
.form-hint { font-size: .8rem; color: var(--muted); margin-top: 6px; }
.form-control, .form-select, textarea.form-control { width: 100%; padding: 11px 14px; border: 1px solid var(--border-strong); border-radius: var(--radius); font-size: .95rem; font-family: inherit; color: var(--ink); background: #fff; transition: border-color var(--t-fast), box-shadow var(--t-fast); }
.form-control:focus, .form-select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(211,32,39,.13); }
.form-control::placeholder { color: var(--muted-light); }
.form-control:disabled, .form-control[readonly] { background: var(--bg); color: var(--muted); }
textarea.form-control { min-height: 120px; resize: vertical; line-height: 1.6; }
.form-select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 13px center; padding-right: 40px; }
.form-control.is-invalid, .form-select.is-invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(185,28,28,.1); }
.form-error { font-size: .82rem; color: var(--danger); margin-top: 6px; font-weight: 600; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.form-row.cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.form-row.cols-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.form-check { display: flex; align-items: flex-start; gap: 10px; font-size: .92rem; }
.form-check input[type="checkbox"], .form-check input[type="radio"] { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--primary); flex-shrink: 0; }
.form-check label { cursor: pointer; }
.input-group { display: flex; }
.input-group .form-control { border-radius: var(--radius) 0 0 var(--radius); }
.input-group .btn { border-radius: 0 var(--radius) var(--radius) 0; }
.input-icon { position: relative; }
.input-icon svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.input-icon .form-control { padding-left: 40px; }
.fieldset-title { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 800; color: var(--muted); margin: 26px 0 14px; padding-bottom: 9px; border-bottom: 1px solid var(--border); }
.fieldset-title:first-child { margin-top: 0; }
.range-value { font-weight: 800; color: var(--primary); }
input[type="range"] { width: 100%; accent-color: var(--primary); }
.switch { position: relative; display: inline-flex; align-items: center; gap: 10px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-track { width: 46px; height: 26px; border-radius: var(--radius-full); background: var(--border-strong); position: relative; transition: background var(--t-fast); }
.switch-track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-sm); transition: transform var(--t-fast); }
.switch input:checked + .switch-track { background: var(--primary); }
.switch input:checked + .switch-track::after { transform: translateX(20px); }
.switch input:focus-visible + .switch-track { box-shadow: 0 0 0 3px rgba(211,32,39,.25); }

.alert { display: flex; gap: 12px; align-items: flex-start; padding: 14px 17px; border-radius: var(--radius); border: 1px solid; font-size: .92rem; margin-bottom: 18px; }
.alert svg { flex-shrink: 0; margin-top: 1px; }
.alert-success { background: var(--success-soft); border-color: #A7E3BC; color: #14532D; }
.alert-danger { background: var(--danger-soft); border-color: #F5B5B5; color: #7F1D1D; }
.alert-warning { background: var(--warning-soft); border-color: #F5D68A; color: #78350F; }
.alert-info { background: var(--info-soft); border-color: #B7D2F7; color: #1E3A8A; }
.alert-title { font-weight: 800; margin-bottom: 2px; }
.alert ul { margin: 6px 0 0; padding-left: 18px; }
.toast-wrap { position: fixed; top: 18px; right: 18px; z-index: 200; display: grid; gap: 10px; width: min(360px, calc(100vw - 36px)); }
.toast { display: flex; gap: 11px; align-items: flex-start; padding: 14px 16px; background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: var(--radius); box-shadow: var(--shadow-lg); font-size: .9rem; animation: toastIn 220ms ease; }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.info { border-left-color: var(--info); }
.toast .toast-close { margin-left: auto; background: none; border: 0; color: var(--muted); padding: 0 2px; }
@keyframes toastIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.table th, table.table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.table thead th { background: #FAFAFB; font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 800; color: var(--muted); white-space: nowrap; }
table.table tbody tr:hover { background: #FCFCFD; }
table.table tbody tr:last-child td { border-bottom: 0; }
table.table td.num, table.table th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.table.compact th, table.table.compact td { padding: 9px 11px; font-size: .85rem; }
.table-actions { display: flex; gap: 6px; justify-content: flex-end; }
.row-title { font-weight: 700; color: var(--secondary); }
.row-sub { font-size: .8rem; color: var(--muted); }

.pagination { display: flex; gap: 5px; flex-wrap: wrap; align-items: center; margin-top: 22px; }
.page-link { min-width: 38px; height: 38px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fff; color: var(--ink-soft); font-size: .88rem; font-weight: 700; }
.page-link:hover { border-color: var(--primary); color: var(--primary); }
.page-link.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-link.disabled { opacity: .45; pointer-events: none; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tab { padding: 11px 17px; font-size: .92rem; font-weight: 700; color: var(--muted); border: 0; background: none; border-bottom: 2px solid transparent; white-space: nowrap; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; padding-top: 22px; }
.tab-panel.active { display: block; }
.pill-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.pill-tab { padding: 7px 15px; border-radius: var(--radius-full); border: 1px solid var(--border); background: #fff; font-size: .85rem; font-weight: 700; color: var(--ink-soft); }
.pill-tab:hover { border-color: var(--primary); color: var(--primary); }
.pill-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.progress { height: 8px; background: #EDEEF1; border-radius: var(--radius-full); overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); border-radius: var(--radius-full); transition: width 320ms ease; }
.progress-bar.green { background: var(--success); }
.progress-bar.amber { background: var(--warning); }
.progress-bar.dark { background: var(--secondary); }
.progress.thick { height: 12px; }
.progress-thin { height: 5px; }
.progress-row { display: flex; align-items: center; gap: 12px; }
.progress-row .progress { flex: 1; }
.progress-row .progress-label { font-size: .84rem; font-weight: 800; color: var(--secondary); min-width: 42px; text-align: right; }
.ring { --p: 0; width: 74px; height: 74px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--primary) calc(var(--p) * 1%), #EDEEF1 0); position: relative; }
.ring::after { content: ''; position: absolute; inset: 7px; background: #fff; border-radius: 50%; }
.ring span { position: relative; z-index: 1; font-size: .9rem; font-weight: 800; color: var(--secondary); }
.ring.green { background: conic-gradient(var(--success) calc(var(--p) * 1%), #EDEEF1 0); }

.modal-backdrop { position: fixed; inset: 0; background: rgba(17,18,20,.55); z-index: 150; display: none; align-items: center; justify-content: center; padding: 20px; overflow-y: auto; }
.modal-backdrop.open { display: flex; }
.modal { background: #fff; border-radius: var(--radius-lg); width: 100%; max-width: 560px; box-shadow: var(--shadow-lg); max-height: 92vh; overflow-y: auto; animation: modalIn 180ms ease; }
.modal.lg { max-width: 780px; }
.modal.sm { max-width: 420px; }
@keyframes modalIn { from { opacity: 0; transform: translateY(10px) scale(.99); } to { opacity: 1; transform: none; } }
.modal-head { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.modal-head h3 { margin: 0; font-size: 1.1rem; }
.modal-body { padding: 24px; }
.modal-foot { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; background: #FAFAFB; }
.modal-close { background: none; border: 0; color: var(--muted); padding: 4px; border-radius: var(--radius-sm); }
.modal-close:hover { background: var(--bg); color: var(--ink); }

.app-shell { display: flex; min-height: 100vh; background: var(--bg); }
.sidebar { width: var(--sidebar-w); flex-shrink: 0; background: var(--secondary); color: rgba(255,255,255,.72); display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; z-index: 70; overflow-y: auto; transition: transform var(--t); }
.sidebar-brand { padding: 20px 20px 16px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-brand .brand-mark { width: 36px; height: 36px; font-size: .8rem; }
.sidebar-brand strong { color: #fff; font-size: .88rem; display: block; }
.sidebar-brand span { font-size: .66rem; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .1em; }
.sidebar-role { display: inline-block; margin-top: 10px; padding: 3px 9px; border-radius: var(--radius-full); background: rgba(211,32,39,.9); color: #fff; font-size: .66rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.sidebar-section { padding: 16px 0 8px; }
.sidebar-section-title { padding: 6px 20px; font-size: .66rem; text-transform: uppercase; letter-spacing: .13em; color: rgba(255,255,255,.38); font-weight: 800; }
.sidebar-nav { list-style: none; margin: 0; padding: 0 10px; display: grid; gap: 2px; }
.sidebar-nav a { display: flex; align-items: center; gap: 11px; padding: 10px 12px; border-radius: var(--radius-sm); color: rgba(255,255,255,.76); font-size: .89rem; font-weight: 600; }
.sidebar-nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.sidebar-nav a.active { background: var(--primary); color: #fff; }
.sidebar-nav a svg { flex-shrink: 0; opacity: .9; }
.sidebar-nav .nav-count { margin-left: auto; background: rgba(255,255,255,.14); color: #fff; border-radius: var(--radius-full); padding: 1px 8px; font-size: .7rem; font-weight: 800; }
.sidebar-nav a.active .nav-count { background: rgba(0,0,0,.25); }
.sidebar-foot { margin-top: auto; padding: 16px 20px 22px; border-top: 1px solid rgba(255,255,255,.08); font-size: .78rem; color: rgba(255,255,255,.45); }
.sidebar-foot a { color: rgba(255,255,255,.6); display: inline-flex; align-items: center; gap: 7px; }
.sidebar-foot a:hover { color: #fff; }
.app-main { flex: 1; min-width: 0; margin-left: var(--sidebar-w); display: flex; flex-direction: column; }
.app-topbar { height: 64px; background: #fff; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 16px; padding: 0 26px; position: sticky; top: 0; z-index: 50; }
.app-topbar h1 { font-size: 1.12rem; margin: 0; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.topbar-icon { position: relative; width: 38px; height: 38px; border-radius: var(--radius); border: 1px solid var(--border); background: #fff; display: grid; place-items: center; color: var(--ink-soft); }
.topbar-icon:hover { border-color: var(--primary); color: var(--primary); }
.topbar-icon .dot { position: absolute; top: 7px; right: 7px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); border: 2px solid #fff; }
.app-content { padding: 26px; flex: 1; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-bottom: 24px; }
.page-head h1 { font-size: 1.55rem; margin: 0 0 4px; }
.page-head p { margin: 0; color: var(--muted); font-size: .93rem; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.breadcrumb { display: flex; align-items: center; gap: 7px; font-size: .82rem; color: var(--muted); margin-bottom: 10px; flex-wrap: wrap; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.sidebar-toggle { display: none; }
.sidebar-backdrop { display: none; }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--primary-soft); color: var(--primary-dark); display: grid; place-items: center; font-weight: 800; font-size: .82rem; flex-shrink: 0; text-transform: uppercase; overflow: hidden; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar.lg { width: 64px; height: 64px; font-size: 1.2rem; }
.avatar.xl { width: 92px; height: 92px; font-size: 1.7rem; }
.avatar.sm { width: 30px; height: 30px; font-size: .7rem; }
.user-menu { position: relative; }
.user-menu-btn { display: flex; align-items: center; gap: 9px; background: none; border: 0; padding: 5px 8px; border-radius: var(--radius); }
.user-menu-btn:hover { background: var(--bg); }
.user-menu-btn .name { font-size: .87rem; font-weight: 700; color: var(--ink); line-height: 1.2; text-align: left; }
.user-menu-btn .role { font-size: .72rem; color: var(--muted); }
.dropdown { position: absolute; right: 0; top: calc(100% + 8px); background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); min-width: 218px; padding: 7px; display: none; z-index: 90; }
.dropdown.open { display: block; }
.dropdown a, .dropdown button { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; padding: 10px 12px; border: 0; background: none; border-radius: var(--radius-sm); color: var(--ink-soft); font-size: .89rem; font-weight: 600; }
.dropdown a:hover, .dropdown button:hover { background: var(--bg); color: var(--primary); }
.dropdown hr { margin: 6px 0; }
.dropdown .danger { color: var(--danger); }
.dropdown .danger:hover { background: var(--danger-soft); color: var(--danger); }

.empty-state { text-align: center; padding: 56px 24px; }
.empty-state .empty-icon { width: 74px; height: 74px; margin: 0 auto 18px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; }
.empty-state h3 { margin-bottom: 8px; font-size: 1.15rem; }
.empty-state p { color: var(--muted); max-width: 430px; margin: 0 auto 20px; font-size: .93rem; }
.loading-state { display: grid; place-items: center; padding: 60px; color: var(--muted); gap: 14px; }
.spinner { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--primary); animation: spin .8s linear infinite; }
.skeleton { background: linear-gradient(90deg, #EDEEF1 25%, #F6F7F9 50%, #EDEEF1 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius-sm); }
@keyframes shimmer { to { background-position: -200% 0; } }

.course-hero { background: var(--secondary); color: #fff; padding: 42px 0 54px; position: relative; overflow: hidden; }
.course-hero::after { content: ''; position: absolute; right: -180px; top: -140px; width: 480px; height: 480px; background: radial-gradient(circle, rgba(211,32,39,.3), transparent 70%); }
.course-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.55fr 1fr; gap: 44px; align-items: start; }
.course-hero h1 { color: #fff; font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin-bottom: 14px; }
.course-hero .subtitle { color: rgba(255,255,255,.82); font-size: 1.06rem; max-width: 640px; }
.course-hero-meta { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 22px; font-size: .88rem; color: rgba(255,255,255,.8); }
.course-hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.course-hero-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: var(--radius-full); background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); font-size: .76rem; font-weight: 700; color: #fff; }
.hero-badge.red { background: rgba(211,32,39,.9); border-color: transparent; color: #fff; }
.buy-card { background: #fff; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.buy-preview { position: relative; aspect-ratio: 16/9; background: var(--secondary); }
.buy-preview img { width: 100%; height: 100%; object-fit: cover; }
.buy-preview .play-overlay { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(17,18,20,.35); }
.play-btn-lg { width: 62px; height: 62px; border-radius: 50%; background: rgba(255,255,255,.94); display: grid; place-items: center; color: var(--primary); box-shadow: var(--shadow-md); }
.buy-body { padding: 22px; }
.buy-price { display: flex; align-items: baseline; gap: 11px; margin-bottom: 6px; }
.buy-price .now { font-size: 2rem; font-weight: 900; color: var(--secondary); letter-spacing: -.02em; }
.buy-price .was { font-size: 1.02rem; color: var(--muted-light); text-decoration: line-through; }
.buy-price .off { font-size: .8rem; font-weight: 800; color: #fff; background: var(--primary); padding: 4px 9px; border-radius: var(--radius-sm); }
.buy-urgency { font-size: .82rem; color: var(--warning); font-weight: 700; margin-bottom: 16px; display: flex; gap: 7px; align-items: center; }
.buy-includes { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 11px; font-size: .89rem; color: var(--ink-soft); }
.buy-includes li { display: flex; gap: 10px; align-items: flex-start; }
.buy-includes svg { color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.secure-note { text-align: center; font-size: .79rem; color: var(--muted); margin-top: 14px; display: flex; align-items: center; justify-content: center; gap: 7px; }
.curriculum { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.curriculum-head { padding: 16px 20px; background: #FAFAFB; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: .87rem; color: var(--muted); font-weight: 600; }
.module { border-bottom: 1px solid var(--border); }
.module:last-child { border-bottom: 0; }
.module-head { width: 100%; display: flex; align-items: center; gap: 13px; padding: 15px 20px; background: #fff; border: 0; text-align: left; font-weight: 700; color: var(--secondary); font-size: .96rem; }
.module-head:hover { background: #FCFCFD; }
.module-head .idx { width: 28px; height: 28px; border-radius: var(--radius-sm); background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; font-size: .78rem; font-weight: 800; flex-shrink: 0; }
.module-head .meta { margin-left: auto; font-size: .8rem; color: var(--muted); font-weight: 600; white-space: nowrap; }
.module-body { display: none; background: #FAFAFB; border-top: 1px solid var(--border); }
.module.open .module-body { display: block; }
.module.open .module-head .chev { transform: rotate(180deg); }
.module-head .chev { transition: transform var(--t-fast); color: var(--muted); }
.lesson-row { display: flex; align-items: center; gap: 12px; padding: 11px 20px 11px 30px; font-size: .89rem; color: var(--ink-soft); border-bottom: 1px solid rgba(229,231,235,.7); }
.lesson-row:last-child { border-bottom: 0; }
.lesson-row:hover { background: #fff; }
.lesson-row .licon { color: var(--muted); flex-shrink: 0; }
.lesson-row .ltitle { flex: 1; min-width: 0; }
.lesson-row .ldur { color: var(--muted); font-size: .81rem; white-space: nowrap; }
.lesson-row .preview-tag { font-size: .68rem; font-weight: 800; color: var(--primary); background: var(--primary-soft); padding: 2px 8px; border-radius: var(--radius-full); }
.lesson-row.locked .ltitle { color: var(--muted-light); }
.lesson-row.locked .licon { opacity: .55; }
.instructor-box { display: flex; gap: 18px; align-items: flex-start; }
.instructor-box .avatar { width: 88px; height: 88px; font-size: 1.5rem; border-radius: var(--radius-lg); }
.instructor-stats { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 12px; font-size: .85rem; color: var(--muted); }
.instructor-stats span { display: inline-flex; align-items: center; gap: 6px; }
.review-item { padding: 18px 0; border-bottom: 1px solid var(--border); }
.review-item:last-child { border-bottom: 0; }
.review-head { display: flex; gap: 13px; align-items: center; margin-bottom: 10px; }
.review-head .stars { color: var(--gold); font-size: .9rem; letter-spacing: 1px; }
.review-body { color: var(--ink-soft); font-size: .93rem; }
.rating-summary { display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: center; padding: 20px; background: #FAFAFB; border-radius: var(--radius-lg); }
.rating-big { text-align: center; }
.rating-big .score { font-size: 3rem; font-weight: 900; color: var(--secondary); line-height: 1; }
.rating-bars { display: grid; gap: 7px; font-size: .82rem; }
.rating-bar-row { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.rating-bar-row .progress { flex: 1; height: 7px; }

.learn-shell { display: flex; flex-direction: column; height: 100vh; background: #0E0F11; }
.learn-top { height: 58px; background: var(--secondary); border-bottom: 1px solid rgba(255,255,255,.09); display: flex; align-items: center; gap: 14px; padding: 0 18px; color: #fff; flex-shrink: 0; }
.learn-top .course-name { font-weight: 700; font-size: .93rem; color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.learn-top .progress-mini { width: 130px; }
.learn-top .progress-mini .progress { background: rgba(255,255,255,.16); }
.learn-body { display: flex; flex: 1; min-height: 0; }
.learn-side { width: 340px; flex-shrink: 0; background: #15161A; border-right: 1px solid rgba(255,255,255,.08); display: flex; flex-direction: column; min-height: 0; }
.learn-side-head { padding: 16px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.learn-side-head h3 { color: #fff; font-size: .95rem; margin: 0 0 4px; }
.learn-side-head p { color: rgba(255,255,255,.55); font-size: .79rem; margin: 0; }
.learn-curriculum { overflow-y: auto; flex: 1; }
.learn-module { border-bottom: 1px solid rgba(255,255,255,.07); }
.learn-module-head { width: 100%; padding: 13px 18px; background: none; border: 0; text-align: left; color: rgba(255,255,255,.9); font-size: .85rem; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.learn-module-head:hover { background: rgba(255,255,255,.04); }
.learn-module-head .mcount { margin-left: auto; font-size: .72rem; color: rgba(255,255,255,.45); font-weight: 600; }
.learn-lesson { display: flex; align-items: center; gap: 11px; padding: 10px 18px 10px 22px; font-size: .84rem; color: rgba(255,255,255,.7); border-left: 3px solid transparent; }
.learn-lesson:hover { background: rgba(255,255,255,.05); color: #fff; }
.learn-lesson.active { background: rgba(211,32,39,.16); border-left-color: var(--primary); color: #fff; }
.learn-lesson .lstatus { width: 19px; height: 19px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,.3); display: grid; place-items: center; flex-shrink: 0; font-size: .6rem; color: transparent; }
.learn-lesson.done .lstatus { background: var(--success); border-color: var(--success); color: #fff; }
.learn-lesson .lname { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.learn-lesson .ltime { font-size: .72rem; color: rgba(255,255,255,.4); white-space: nowrap; }
.learn-main { flex: 1; min-width: 0; background: #fff; display: flex; flex-direction: column; min-height: 0; }
.learn-stage { flex: 1; overflow-y: auto; }
.learn-video-wrap { background: #000; position: relative; }
.learn-video-wrap video { width: 100%; max-height: 66vh; background: #000; display: block; }
.video-placeholder { aspect-ratio: 16/9; background: linear-gradient(135deg, #16171B, #0B0C0E); color: rgba(255,255,255,.8); display: grid; place-items: center; text-align: center; padding: 32px; }
.video-placeholder .vp-icon { width: 66px; height: 66px; border-radius: 50%; background: rgba(211,32,39,.9); color: #fff; display: grid; place-items: center; margin: 0 auto 16px; }
.learn-content { padding: 26px 30px 40px; max-width: 900px; }
.learn-content h1 { font-size: 1.45rem; margin-bottom: 6px; }
.learn-lesson-meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: .84rem; color: var(--muted); margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.learn-footer { border-top: 1px solid var(--border); padding: 14px 24px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; background: #fff; flex-shrink: 0; }
.learn-footer .lcenter { margin: 0 auto; display: flex; gap: 10px; flex-wrap: wrap; }
.lesson-notes { margin-top: 28px; padding: 18px; background: var(--bg); border-radius: var(--radius); }
.lesson-notes textarea { min-height: 110px; }
.lesson-resources { margin-top: 26px; }
.lesson-resources .res-item { display: flex; align-items: center; gap: 12px; padding: 12px 15px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; margin-bottom: 10px; font-size: .89rem; }
.lesson-resources .res-item:hover { border-color: var(--primary); }
.watch-requirement { display: flex; align-items: center; gap: 10px; padding: 11px 15px; background: var(--warning-soft); border: 1px solid #F5D68A; border-radius: var(--radius); font-size: .85rem; color: #78350F; margin-bottom: 18px; }

.quiz-shell { background: var(--bg); min-height: 100vh; }
.quiz-header { background: #fff; border-bottom: 1px solid var(--border); padding: 16px 0; position: sticky; top: 0; z-index: 40; }
.quiz-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.quiz-timer { display: flex; align-items: center; gap: 10px; padding: 10px 18px; border-radius: var(--radius); background: var(--secondary); color: #fff; font-weight: 800; font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.quiz-timer.warning { background: var(--danger); }
.quiz-timer .tlabel { font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.65); font-weight: 700; }
.question-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 18px; }
.question-num { font-size: .76rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--primary); margin-bottom: 10px; }
.question-text { font-size: 1.06rem; font-weight: 700; color: var(--secondary); margin-bottom: 18px; line-height: 1.5; }
.option-list { display: grid; gap: 10px; }
.option { display: flex; align-items: flex-start; gap: 12px; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: var(--radius); background: #fff; cursor: pointer; transition: border-color var(--t-fast), background var(--t-fast); }
.option:hover { border-color: var(--primary); background: var(--primary-soft); }
.option input { margin: 3px 0 0; accent-color: var(--primary); width: 18px; height: 18px; flex-shrink: 0; }
.option.selected { border-color: var(--primary); background: var(--primary-soft); }
.option.correct { border-color: var(--success); background: var(--success-soft); }
.option.wrong { border-color: var(--danger); background: var(--danger-soft); }
.option-text { font-size: .95rem; }
.quiz-nav { display: flex; gap: 8px; flex-wrap: wrap; }
.quiz-nav .qdot { width: 34px; height: 34px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: #fff; font-size: .82rem; font-weight: 700; color: var(--ink-soft); display: grid; place-items: center; }
.quiz-nav .qdot.answered { background: var(--secondary); border-color: var(--secondary); color: #fff; }
.quiz-nav .qdot.current { border-color: var(--primary); color: var(--primary); box-shadow: 0 0 0 2px rgba(211,32,39,.18); }
.quiz-result { text-align: center; padding: 44px 24px; }
.quiz-result .score-ring { width: 132px; height: 132px; margin: 0 auto 22px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--success) calc(var(--p) * 1%), #EDEEF1 0); position: relative; }
.quiz-result .score-ring.fail { background: conic-gradient(var(--danger) calc(var(--p) * 1%), #EDEEF1 0); }
.quiz-result .score-ring::after { content: ''; position: absolute; inset: 11px; background: #fff; border-radius: 50%; }
.quiz-result .score-ring .val { position: relative; z-index: 1; font-size: 1.9rem; font-weight: 900; color: var(--secondary); }

.checkout-steps { display: flex; gap: 6px; margin-bottom: 28px; }
.checkout-step { flex: 1; text-align: center; padding: 12px 8px; border-radius: var(--radius); background: #fff; border: 1px solid var(--border); font-size: .8rem; font-weight: 700; color: var(--muted); }
.checkout-step.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.checkout-step.done { background: var(--success-soft); border-color: #A7E3BC; color: #14532D; }
.checkout-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px; align-items: start; }
.pay-method { display: flex; gap: 14px; align-items: flex-start; padding: 16px; border: 1.5px solid var(--border); border-radius: var(--radius); background: #fff; cursor: pointer; margin-bottom: 12px; }
.pay-method:hover { border-color: var(--primary); }
.pay-method.selected { border-color: var(--primary); background: var(--primary-soft); }
.pay-method input { margin-top: 3px; accent-color: var(--primary); width: 18px; height: 18px; }
.pay-method .pm-title { font-weight: 800; color: var(--secondary); font-size: .96rem; }
.pay-method .pm-desc { font-size: .83rem; color: var(--muted); }
.summary-row { display: flex; justify-content: space-between; gap: 14px; padding: 9px 0; font-size: .92rem; color: var(--ink-soft); }
.summary-row.total { border-top: 2px solid var(--border); margin-top: 10px; padding-top: 14px; font-size: 1.15rem; font-weight: 900; color: var(--secondary); }
.summary-row.discount { color: var(--success); font-weight: 700; }
.bank-account { border: 1px dashed var(--border-strong); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; background: #FAFAFB; }
.bank-account .bank-name { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 800; }
.bank-account .acct { font-size: 1.32rem; font-weight: 900; color: var(--secondary); font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.order-success { text-align: center; padding: 34px 20px; }
.order-success .success-icon { width: 86px; height: 86px; margin: 0 auto 22px; border-radius: 50%; background: var(--success-soft); color: var(--success); display: grid; place-items: center; }

.certificate { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; max-width: 900px; margin: 0 auto; }
.cert-frame { border: 10px solid var(--secondary); padding: 0; position: relative; }
.cert-inner { border: 2px solid var(--primary); margin: 9px; padding: 46px 52px; text-align: center; background: #fff; }
.cert-org { font-size: .82rem; letter-spacing: .22em; text-transform: uppercase; font-weight: 800; color: var(--primary); }
.cert-title { font-size: 1.9rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; color: var(--secondary); margin: 22px 0 8px; }
.cert-sub { font-size: .92rem; color: var(--muted); margin-bottom: 26px; }
.cert-name { font-size: 2.3rem; font-weight: 800; color: var(--primary); border-bottom: 2px solid var(--border); padding-bottom: 12px; margin-bottom: 24px; display: inline-block; min-width: 60%; }
.cert-course { font-size: 1.24rem; font-weight: 800; color: var(--secondary); margin-bottom: 30px; }
.cert-foot { display: flex; justify-content: space-between; gap: 30px; align-items: flex-end; margin-top: 38px; text-align: left; }
.cert-sign { border-top: 1px solid var(--ink-soft); padding-top: 8px; min-width: 200px; }
.cert-sign .sig-name { font-weight: 800; color: var(--secondary); font-size: .95rem; }
.cert-sign .sig-title { font-size: .78rem; color: var(--muted); }
.cert-meta { text-align: right; font-size: .78rem; color: var(--muted); }
.cert-meta .cid { font-family: var(--font-mono); font-weight: 800; color: var(--secondary); font-size: .87rem; }
.cert-qr { width: 96px; height: 96px; }
.verify-box { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; }
.verify-banner { display: flex; gap: 14px; align-items: center; padding: 18px 20px; border-radius: var(--radius); background: var(--success-soft); border: 1px solid #A7E3BC; color: #14532D; margin-bottom: 24px; }
.verify-banner.invalid { background: var(--danger-soft); border-color: #F5B5B5; color: #7F1D1D; }
.verify-banner .vb-icon { width: 46px; height: 46px; border-radius: 50%; background: #fff; display: grid; place-items: center; flex-shrink: 0; }
.verify-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; }
.verify-item .label { font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 800; margin-bottom: 4px; }
.verify-item .value { font-size: 1.02rem; font-weight: 700; color: var(--secondary); }

.commission-hero { background: var(--secondary); border-radius: var(--radius-xl); padding: 26px; color: #fff; position: relative; overflow: hidden; }
.commission-hero::after { content: ''; position: absolute; right: -100px; bottom: -120px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(211,32,39,.4), transparent 70%); }
.commission-hero .label { font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,.6); font-weight: 800; }
.commission-hero .amount { font-size: 2.4rem; font-weight: 900; letter-spacing: -.02em; margin: 4px 0 2px; }
.commission-hero .sub { font-size: .86rem; color: rgba(255,255,255,.65); }
.link-box { display: flex; gap: 10px; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 11px 14px; font-family: var(--font-mono); font-size: .84rem; word-break: break-all; }
.link-box .link-text { flex: 1; min-width: 0; color: var(--ink-soft); }
.copy-btn { flex-shrink: 0; }
.share-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.share-btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: var(--radius-sm); font-size: .84rem; font-weight: 700; border: 1px solid var(--border); background: #fff; color: var(--ink-soft); }
.share-btn:hover { border-color: var(--primary); color: var(--primary); }
.share-btn.wa { background: #25D366; border-color: #25D366; color: #06301A; }
.share-btn.wa:hover { background: #1EBE5A; color: #06301A; }
.share-btn.fb { background: #1877F2; border-color: #1877F2; color: #fff; }
.share-btn.fb:hover { background: #1466D6; color: #fff; }
.share-btn.x { background: #000; border-color: #000; color: #fff; }
.share-btn.x:hover { background: #222; color: #fff; }
.leaderboard-row { display: flex; align-items: center; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--border); }
.leaderboard-row:last-child { border-bottom: 0; }
.rank-badge { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: .86rem; background: var(--bg); color: var(--ink-soft); flex-shrink: 0; }
.rank-badge.gold { background: #FBF3DF; color: #7A5B12; }
.rank-badge.silver { background: #EEF1F4; color: #475569; }
.rank-badge.bronze { background: #FBEDE4; color: #92400E; }
.resource-card { display: flex; gap: 14px; align-items: flex-start; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.resource-icon { width: 44px; height: 44px; border-radius: var(--radius); background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; flex-shrink: 0; }
.copyable { background: #FAFAFB; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; font-size: .89rem; color: var(--ink-soft); white-space: pre-wrap; max-height: 210px; overflow-y: auto; line-height: 1.6; }

.chart-wrap { position: relative; width: 100%; }
.chart-wrap canvas { width: 100% !important; }
.chart-legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: .82rem; color: var(--muted); margin-top: 12px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 7px; }
.chart-legend .dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.bar-chart-simple { display: flex; align-items: flex-end; gap: 8px; height: 170px; padding-top: 10px; }
.bar-chart-simple .bar-col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 7px; height: 100%; }
.bar-chart-simple .bar { width: 100%; background: var(--primary); border-radius: 5px 5px 0 0; min-height: 3px; transition: height 320ms ease; }
.bar-chart-simple .bar.dark { background: var(--secondary); }
.bar-chart-simple .bar-label { font-size: .68rem; color: var(--muted); white-space: nowrap; }

.steps { display: grid; gap: 22px; }
.step-item { display: flex; gap: 18px; align-items: flex-start; }
.step-num { width: 46px; height: 46px; border-radius: var(--radius); background: var(--secondary); color: #fff; display: grid; place-items: center; font-weight: 900; font-size: 1.1rem; flex-shrink: 0; }
.step-item.active .step-num { background: var(--primary); }
.step-item h4 { margin-bottom: 5px; }
.step-item p { color: var(--muted); font-size: .92rem; margin: 0; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-xs); height: 100%; }
.feature-icon { width: 48px; height: 48px; border-radius: var(--radius); background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.06rem; margin-bottom: 9px; }
.feature-card p { color: var(--muted); font-size: .92rem; margin: 0; }
.cat-card { display: flex; align-items: center; gap: 14px; padding: 17px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); transition: border-color var(--t-fast), transform var(--t-fast); }
.cat-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.cat-icon { width: 44px; height: 44px; border-radius: var(--radius); background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; flex-shrink: 0; }
.cat-card .cat-name { font-weight: 700; color: var(--secondary); font-size: .95rem; }
.cat-card .cat-count { font-size: .8rem; color: var(--muted); }
.testimonial { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; height: 100%; }
.testimonial .stars { color: var(--gold); letter-spacing: 2px; margin-bottom: 12px; }
.testimonial blockquote { margin: 0 0 18px; font-size: .95rem; color: var(--ink-soft); line-height: 1.7; font-style: normal; }
.testimonial .who { display: flex; align-items: center; gap: 12px; }
.testimonial .who .name { font-weight: 800; color: var(--secondary); font-size: .92rem; }
.testimonial .who .role { font-size: .8rem; color: var(--muted); }
.filter-bar { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px; margin-bottom: 24px; }
.filter-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; align-items: end; }
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--radius-full); background: var(--bg); border: 1px solid var(--border); font-size: .82rem; font-weight: 600; color: var(--ink-soft); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.chip .x { font-weight: 800; opacity: .7; }
.list-group { display: grid; gap: 0; }
.list-item { display: flex; gap: 14px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--border); }
.list-item:last-child { border-bottom: 0; }
.divider { height: 1px; background: var(--border); margin: 20px 0; }
.kv-list { display: grid; gap: 12px; }
.kv { display: flex; justify-content: space-between; gap: 16px; font-size: .91rem; padding: 8px 0; border-bottom: 1px solid var(--border); }
.kv:last-child { border-bottom: 0; }
.kv .k { color: var(--muted); }
.kv .v { font-weight: 700; color: var(--secondary); text-align: right; }
.note-box { background: var(--primary-soft); border-left: 3px solid var(--primary); padding: 14px 16px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: .9rem; color: var(--ink-soft); }
.timeline { display: grid; gap: 0; position: relative; padding-left: 26px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding: 0 0 20px; }
.timeline-item::before { content: ''; position: absolute; left: -26px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--primary); }
.timeline-item.done::before { background: var(--success); box-shadow: 0 0 0 1px var(--success); }
.timeline-item h5 { margin: 0 0 3px; font-size: .94rem; }
.timeline-item p { margin: 0; font-size: .85rem; color: var(--muted); }
.upload-zone { border: 2px dashed var(--border-strong); border-radius: var(--radius-lg); padding: 34px 20px; text-align: center; background: #FAFAFB; cursor: pointer; transition: border-color var(--t-fast), background var(--t-fast); }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--primary); background: var(--primary-soft); }
.upload-zone svg { color: var(--primary); margin: 0 auto 12px; }
.upload-zone .uz-title { font-weight: 800; color: var(--secondary); margin-bottom: 4px; }
.upload-zone .uz-hint { font-size: .83rem; color: var(--muted); }
.whatsapp-fab { position: fixed; right: 20px; bottom: 20px; z-index: 80; display: inline-flex; align-items: center; gap: 9px; padding: 13px 20px; border-radius: var(--radius-full); background: #25D366; color: #06301A; font-weight: 800; font-size: .9rem; box-shadow: var(--shadow-lg); }
.whatsapp-fab:hover { background: #1EBE5A; color: #06301A; transform: translateY(-2px); }
.cta-band { background: var(--primary); color: #fff; border-radius: var(--radius-xl); padding: 44px; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,.9); margin: 0; max-width: 620px; }
.cta-band .btn-light { background: #fff; color: var(--primary); border-color: #fff; }
.cta-band .btn-light:hover { background: #FDECEC; color: var(--primary-dark); }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.toolbar .spacer { flex: 1; }
.search-inline { position: relative; min-width: 230px; }
.search-inline svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search-inline input { width: 100%; padding: 9px 14px 9px 38px; border: 1px solid var(--border); border-radius: var(--radius); font-size: .89rem; }
.avatar-stack { display: flex; }
.avatar-stack .avatar { margin-left: -10px; border: 2px solid #fff; }
.avatar-stack .avatar:first-child { margin-left: 0; }
.cert-list-item { display: flex; gap: 16px; align-items: center; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
.cert-thumb { width: 62px; height: 62px; border-radius: var(--radius); background: #FBF3DF; color: var(--gold); display: grid; place-items: center; flex-shrink: 0; }
.lecture-lock-note { display: flex; align-items: center; gap: 10px; padding: 14px 18px; background: var(--warning-soft); border: 1px solid #F5D68A; border-radius: var(--radius); color: #78350F; font-size: .89rem; }
.pricing-card { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius-xl); padding: 28px; height: 100%; display: flex; flex-direction: column; }
.pricing-card.featured { border-color: var(--primary); box-shadow: var(--shadow-md); position: relative; }
.pricing-card.featured::before { content: 'Recommended'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: 5px 14px; border-radius: var(--radius-full); }
.pricing-card .price-lg { font-size: 2.2rem; font-weight: 900; color: var(--secondary); }
.pricing-card ul { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 11px; font-size: .9rem; color: var(--ink-soft); }
.pricing-card ul li { display: flex; gap: 10px; align-items: flex-start; }
.pricing-card ul svg { color: var(--success); flex-shrink: 0; margin-top: 2px; }
.error-page { padding: 80px 0; }
.error-code { font-size: clamp(4.5rem, 14vw, 8rem); font-weight: 900; line-height: 1; color: var(--primary); letter-spacing: -.04em; }
.error-title { margin: 10px 0 12px; }
.error-message { color: var(--muted); max-width: 520px; margin: 0 auto 26px; }
.error-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 1180px) {
  .hero-inner { grid-template-columns: 1fr; gap: 34px; }
  .hero-visual { max-width: 520px; }
  .course-hero-grid { grid-template-columns: 1fr; }
  .checkout-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  body.sidebar-open .sidebar { transform: none; }
  .app-main { margin-left: 0; }
  .sidebar-toggle { display: inline-flex; }
  body.sidebar-open .sidebar-backdrop { display: block; position: fixed; inset: 0; background: rgba(17,18,20,.5); z-index: 65; }
  .learn-side { width: 300px; }
}
@media (max-width: 900px) {
  .nav-main, .header-search { display: none; }
  .nav-toggle { display: inline-flex; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stat-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .rating-summary { grid-template-columns: 1fr; }
  .cert-foot { flex-direction: column; align-items: flex-start; }
  .learn-side { position: fixed; top: 58px; bottom: 0; left: 0; z-index: 45; transform: translateX(-100%); transition: transform var(--t); width: min(340px, 88vw); }
  body.curriculum-open .learn-side { transform: none; }
  body.curriculum-open .curriculum-backdrop { display: block; position: fixed; inset: 58px 0 0; background: rgba(0,0,0,.5); z-index: 40; }
  .learn-top .progress-mini { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .section { padding: 46px 0; }
  .hero { padding: 54px 0 48px; }
  .grid-2, .grid-3, .grid-4, .form-row.cols-2, .form-row.cols-3 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
  .stat-card { padding: 15px; }
  .stat-value { font-size: 1.35rem; }
  .course-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .app-content { padding: 16px; }
  .app-topbar { padding: 0 14px; height: 58px; }
  .card-body, .card-pad { padding: 17px; }
  .card-head { padding: 15px 17px; }
  .cta-band { padding: 28px; }
  .cert-inner { padding: 26px 18px; }
  .cert-title { font-size: 1.25rem; }
  .cert-name { font-size: 1.45rem; }
  .page-head h1 { font-size: 1.28rem; }
  .toolbar { gap: 8px; }
  .search-inline { min-width: 100%; }
  .btn { padding: 11px 18px; }
  .modal-body, .modal-head, .modal-foot { padding: 17px; }
  .whatsapp-fab span { display: none; }
  .whatsapp-fab { padding: 14px; }
  table.table { font-size: .84rem; }
  table.table th, table.table td { padding: 10px; }
  .checkout-steps { flex-wrap: wrap; }
  .checkout-step { min-width: 44%; }
}
@media (max-width: 420px) {
  .stat-grid { grid-template-columns: 1fr; }
  .course-badges { position: static; padding: 10px 12px 0; }
}
@media print {
  .site-header, .site-footer, .whatsapp-fab, .app-topbar, .sidebar, .btn, .page-actions { display: none !important; }
  body { background: #fff; }
  .certificate { box-shadow: none; border: 0; max-width: 100%; }
  .app-main { margin-left: 0; }
  .card { box-shadow: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}