/* =========================================================
   SeekerGen — Light Theme · Fully Responsive
   ========================================================= */

:root{
  --bg:            #f5f5ff;
  --bg-soft:       #ededff00;
  --surface:       #ffffff;
  --surface-2:     #eeeeff;
  --border:        rgba(59,59,245,.14);
  --border-soft:   rgba(59,59,245,.07);
  --text:          #1A1A6E;
  --text-dim:      #3535CC;
  --text-faint:    #5050E0;
  --accent:        #6A3DE8;
  --accent-2:      #3B3BF5;
  --accent-ink:    #ffffff;
  --success:       #1a7a4a;
  --danger:        #c0392b;

  --font-display: "Fraunces","Source Serif 4",Georgia,serif;
  --font-body:    "Inter",-apple-system,BlinkMacSystemFont,sans-serif;
  --font-mono:    "IBM Plex Mono","SFMono-Regular",Consolas,monospace;

  --container: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --gap: 24px;
}

/* ── Reset ── */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{ margin:0; background:var(--bg); color:var(--text); font-family:var(--font-body); font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased; }
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
input,textarea,select{ font-family:inherit; }
:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; border-radius:4px; }

/* ── Layout ── */
.container{ width:100%; max-width:var(--container); margin:0 auto; padding:0 20px; }

/* ── Typography ── */
.eyebrow{ display:inline-flex; align-items:center; gap:9px; font-family:var(--font-mono); font-size:15px; font-weight:700; letter-spacing:.10em; text-transform:uppercase; color:var(--accent); margin-bottom:14px; }
.eyebrow::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 4px rgba(106,61,232,.20); }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:700; line-height:1.1; margin:0 0 16px; letter-spacing:-.015em; }
h1{ font-size:clamp(2.3rem,5.6vw,4rem); }
h2{ font-size:clamp(1.8rem,3.6vw,2.9rem); }
h3{ font-size:1.25rem; }
p{ margin:0 0 14px; color:var(--text-dim); }
.lead{ font-size:clamp(1rem,2vw,1.1rem); max-width:560px; }

.section{ padding:72px 0; }
@media(max-width:600px){ .section{ padding:48px 0; } }
/* Headings are left-aligned site-wide */
.section-head{ max-width:760px; margin-bottom:44px; text-align:left; }
.section-head.center{ margin-inline:0; text-align:left; }
/* accent bar on ALL section h2s and page h1s — scoped so it doesn't hit card/modal headings */
.section h2,
.section-head h2,
.page-hero h1,
.page-hero h2{ position:relative; padding-left:22px; }
.section h2::before,
.section-head h2::before,
.page-hero h1::before,
.page-hero h2::before{
  content:""; position:absolute; left:0; top:.12em; bottom:.12em; width:6px; border-radius:6px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  box-shadow:0 0 0 4px rgba(106,61,232,.10);
}
/* exceptions: card headings, quote blocks, auth, footer — no bar */
.card h2,.t-card h2,.card h3,.modal h3,.quote-block h3,.auth-shell h1,.auth-shell h2,
.cta-band h2,.site-footer h2,.dash-topbar h2,
.course-card h3,.admin-side h2{ padding-left:0; }
.card h2::before,.t-card h2::before,.card h3::before,.modal h3::before,
.quote-block h3::before,.auth-shell h1::before,.auth-shell h2::before,
.cta-band h2::before,.site-footer h2::before,
.dash-topbar h2::before,.course-card h3::before,.admin-side h2::before{ display:none; }
.flex-between .section-head h2::before,.flex-between h2::before{ top:.05em; }
.section--alt{ background:var(--surface); border-top:1px solid var(--border-soft); border-bottom:1px solid var(--border-soft); }

/* ── Buttons ── */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:13px 26px; border-radius:999px; font-weight:600; font-size:.95rem; border:1px solid transparent; transition:transform .15s,opacity .15s,box-shadow .15s; white-space:nowrap; }
.btn:active{ transform:scale(.97); }
.btn-primary{ background:var(--accent); color:#fff; box-shadow:0 2px 12px rgba(106,61,232,.25); }
.btn-primary:hover{ opacity:.9; box-shadow:0 4px 20px rgba(106,61,232,.35); }
.btn-ghost{ background:transparent; color:var(--text); border-color:var(--border); }
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); }
.btn-block{ width:100%; }
.btn-lg{ padding:15px 32px; font-size:1rem; }
.btn-sm{ padding:9px 18px; font-size:.85rem; }

/* ================================================================
   HEADER — fully responsive with slide-down mobile menu
   ================================================================ */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(245,245,255,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border-soft);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height:84px; gap:16px; }

.brand .mark{ width:30px; height:30px; border-radius:8px; background:linear-gradient(135deg,var(--accent),var(--accent-2)); display:flex; align-items:center; justify-content:center; color:#fff; font-family:var(--font-mono); font-weight:700; font-size:13px; }
/* Bigger, clearer, highlighted company logo */
.brand-logo{ width:auto; display:block; padding:6px 14px; border-radius:14px;  transition:transform .15s, box-shadow .15s; }
.brand:hover .brand-logo{ transform:translateY(-1px);  }
/*.site-footer .brand-logo{ height:46px; }*/
@media(max-width:600px){ .brand-logo{ height:42px; padding:5px 10px; } .site-header .container{ height:74px; } }

.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{ font-size:16px; color:var(--text-dim); font-weight:600; transition:color .15s; }
.main-nav a:hover,.main-nav a.active{ color:var(--accent); font-weight:600; }

.header-actions{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.icon-link{ position:relative; display:flex; padding:6px; color:var(--text-dim); }
.cart-count{ position:absolute; top:-2px; right:-2px; background:var(--accent); color:#fff; font-size:10px; font-weight:700; width:16px; height:16px; border-radius:50%; display:flex; align-items:center; justify-content:center; }

/* Hamburger — hidden on desktop */
.nav-toggle{ display:none; background:none; border:none; color:var(--text); padding:6px; font-size:1.3rem; line-height:1; }

/* Mobile nav drawer */
.mobile-nav{
  display:flex;
  flex-direction:column;
  position:fixed; top:84px; left:0; right:0;
  height:calc(100vh - 84px);
  z-index:98;
  background:var(--surface);
  border-top:1px solid var(--border-soft);
  padding:24px 20px 40px;
  overflow-y:auto;
  gap:0;
  box-shadow:0 8px 32px rgba(59,59,245,.12);
  transform:translateY(-110%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  visibility:hidden;
}
.mobile-nav.open{ transform:translateY(0); visibility:visible; }
.mobile-nav a{ display:block; padding:14px 22px; font-size:1rem; font-weight:500; color:var(--text); border-bottom:1px solid var(--border-soft); }
.mobile-nav a.active{ color:var(--accent); }
.mobile-nav .mobile-nav-actions{ display:flex; flex-direction:column; gap:10px; margin-top:24px; }

@media(max-width:880px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .header-actions .btn-ghost,
  .header-actions .btn-primary{ display:none; }
}
@media(max-width:400px){
  .brand span:not(.mark){ display:none; }
}

/* ── Hero ── */
.hero{ padding:64px 0 48px; position:relative; overflow:hidden; }
.hero::before{ content:""; position:absolute; inset:-20% -10% auto -10%; height:480px; background:radial-gradient(circle at 30% 20%,rgba(106,61,232,.10),transparent 60%),radial-gradient(circle at 80% 10%,rgba(59,59,245,.08),transparent 55%); pointer-events:none; }
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center; position:relative; }
.hero-actions{ display:flex; gap:12px; margin:24px 0 36px; flex-wrap:wrap; }
.stat-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; max-width:520px; }
.stat-row .num{ font-family:var(--font-display); font-size:1.5rem; color:var(--text); }
.stat-row .lbl{ font-size:.72rem; color:var(--text-faint); text-transform:uppercase; letter-spacing:.06em; }

@media(max-width:880px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-actions .btn{ width:100%; justify-content:center; }
  .stat-row{ grid-template-columns:repeat(2,1fr); }
}
@media(max-width:480px){
  .hero-actions{ flex-direction:column; }
}

/* Media panel */
.media-panel{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:16px; box-shadow:0 8px 32px rgba(59,59,245,.10); }
.media-panel .frame{ aspect-ratio:4/3; border-radius:var(--radius-md); background:linear-gradient(145deg,#eeeeff,#dddeff); display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden; }
.play-dot{ width:54px; height:54px; border-radius:50%; background:var(--accent); color:#fff; display:flex; align-items:center; justify-content:center; font-size:18px; box-shadow:0 4px 16px rgba(106,61,232,.35); }
.media-caption{ display:flex; justify-content:space-between; font-size:.8rem; color:var(--text-faint); padding:12px 4px 2px; }

/* ── Grids ── */
.grid{ display:grid; gap:var(--gap); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media(max-width:980px){ .grid-3,.grid-4{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:600px){ .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; } }

/* ── Cards ── */
.card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:24px; box-shadow:0 2px 12px rgba(59,59,245,.06); }
.card .ico{ width:40px; height:40px; border-radius:10px; background:rgba(106,61,232,.10); color:var(--accent); display:flex; align-items:center; justify-content:center; margin-bottom:16px; font-size:18px; }
.card h3{ margin-bottom:6px; }
.card p{ margin:0; font-size:.9rem; }

/* ── Mentor / code panel ── */
.mentor-panel{ background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; box-shadow:0 8px 32px rgba(59,59,245,.10); }
.mentor-panel .bar{ display:flex; gap:6px; padding:12px 16px; border-bottom:1px solid var(--border); }
.mentor-panel .bar span{ width:10px; height:10px; border-radius:50%; background:var(--border); }
.mentor-panel pre{ margin:0; padding:20px; font-family:var(--font-mono); font-size:.82rem; color:var(--accent); overflow-x:auto; line-height:1.7; }
.mentor-panel .note{ display:flex; justify-content:space-between; align-items:center; padding:12px 16px; border-top:1px solid var(--border); font-size:.8rem; color:var(--text-dim); flex-wrap:wrap; gap:8px; }

/* ── Mission ── */
.mission-grid{ display:grid; grid-template-columns:.95fr 1.05fr; gap:48px; align-items:center; }
@media(max-width:880px){ .mission-grid{ grid-template-columns:1fr; } }
.mission-list{ display:flex; flex-direction:column; gap:20px; margin-top:24px; }
.mission-list li{ display:flex; gap:16px; }
.mission-list .n{ font-family:var(--font-mono); color:var(--accent); font-size:.85rem; padding-top:3px; flex-shrink:0; }
.mission-list strong{ display:block; color:var(--text); margin-bottom:2px; }
.mission-list span{ color:var(--text-dim); font-size:.9rem; }

/* ── Course cards ── */
.course-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden; display:flex; flex-direction:column; transition:border-color .15s,transform .15s,box-shadow .15s; box-shadow:0 2px 12px rgba(59,59,245,.06); }
.course-card:hover{ border-color:var(--accent); transform:translateY(-2px); box-shadow:0 8px 28px rgba(106,61,232,.14); }
.course-card .cover{ height:150px; background:linear-gradient(135deg,#dddeff,#c7c7ff); display:flex; align-items:flex-end; padding:12px; gap:8px; flex-wrap:wrap; position:relative; }
.badge{ display:inline-flex; padding:4px 10px; border-radius:999px; font-size:.7rem; font-weight:600; letter-spacing:.02em; background:rgba(59,59,245,.10); color:var(--text-dim); }
.badge.level-beginner{ background:rgba(26,122,74,.12); color:var(--success); }
.badge.level-intermediate{ background:rgba(59,59,245,.12); color:var(--accent-2); }
.badge.level-advanced{ background:rgba(192,57,43,.10); color:var(--danger); }
.course-card .body{ padding:18px; flex:1; display:flex; flex-direction:column; }
.course-card .tagline{ font-size:.8rem; color:var(--text-faint); margin-bottom:6px; }
.course-card h3{ font-size:1rem; margin-bottom:8px; }
.course-card .desc{ font-size:.87rem; flex:1; }
.course-meta{ display:flex; gap:12px; font-size:.76rem; color:var(--text-faint); margin:12px 0; flex-wrap:wrap; }
.course-meta b{ color:var(--text-dim); }
.price-row{ display:flex; align-items:baseline; justify-content:space-between; padding-top:12px; border-top:1px solid var(--border-soft); flex-wrap:wrap; gap:8px; }
.price{ font-family:var(--font-display); font-size:1.2rem; color:var(--text); }
.price del{ font-size:.83rem; color:var(--text-faint); margin-left:6px; font-weight:400; }
.explore-link{ font-size:.85rem; color:var(--accent); font-weight:600; white-space:nowrap; }

/* ── Learning path ── */
.path-row{ display:flex; gap:0; overflow-x:auto; padding-bottom:8px; -webkit-overflow-scrolling:touch; }
.path-step{ flex:1 0 160px; padding:0 18px; position:relative; }
.path-step:not(:last-child)::after{ content:""; position:absolute; top:18px; right:0; width:100%; height:1px; background:var(--border); transform:translateX(50%); }
.path-step .idx{ width:36px; height:36px; border-radius:50%; border:1px solid var(--accent); color:var(--accent); display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-size:.82rem; margin-bottom:14px; background:var(--surface); position:relative; z-index:1; }
.path-step h3{ font-size:.95rem; margin-bottom:4px; }
.path-step p{ font-size:.82rem; margin:0; }

/* ── Quote block ── */
.quote-block{ display:flex; gap:28px; align-items:flex-start; flex-wrap:wrap; }
.avatar-lg{ width:60px; height:60px; border-radius:50%; flex:none; background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#fff; font-family:var(--font-mono); font-weight:700; display:flex; align-items:center; justify-content:center; font-size:1rem; }
.quote-block blockquote{ font-family:var(--font-display); font-size:clamp(1.1rem,2.5vw,1.35rem); line-height:1.4; margin:0 0 14px; color:var(--text); font-weight:500; }
.quote-block .who b{ display:block; color:var(--text); }
.quote-block .who span{ font-size:.83rem; color:var(--text-faint); }

/* ── Testimonials ── */
.t-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:22px; box-shadow:0 2px 12px rgba(59,59,245,.06); }
.t-card p{ color:var(--text); font-size:.93rem; }
.t-who{ display:flex; align-items:center; gap:10px; margin-top:14px; }
.avatar-sm{ width:36px; height:36px; border-radius:50%; flex:none; background:var(--surface-2); border:1px solid var(--border); color:var(--text-dim); font-family:var(--font-mono); font-size:.72rem; display:flex; align-items:center; justify-content:center; }
.t-who b{ display:block; font-size:.86rem; color:var(--text); }
.t-who span{ font-size:.76rem; color:var(--text-faint); }

/* ── FAQ ── */
.faq-item{ border-bottom:1px solid var(--border-soft); }
.faq-item summary{ list-style:none; display:flex; justify-content:space-between; align-items:center; padding:20px 4px; cursor:pointer; font-weight:600; color:var(--text); font-size:.95rem; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; font-family:var(--font-mono); color:var(--accent); font-size:1.1rem; flex-shrink:0; }
.faq-item[open] summary::after{ content:"–"; }
.faq-item .a{ padding:0 4px 20px; font-size:.9rem; }

/* ── CTA band ── */
.cta-band{ background:linear-gradient(135deg,#eeeeff,var(--surface-2)); border:1px solid var(--border); border-radius:var(--radius-lg); padding:48px 32px; text-align:center; }
@media(max-width:600px){ .cta-band{ padding:36px 20px; } }
.cta-band .actions{ display:flex; gap:12px; justify-content:center; margin-top:20px; flex-wrap:wrap; }
@media(max-width:480px){ .cta-band .actions .btn{ width:100%; } }

/* ── Footer ── */
.site-footer{ border-top:1px solid var(--border-soft); padding:56px 0 24px; margin-top:40px; background:var(--surface); }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:28px; margin-bottom:40px; }
.footer-grid h4{ font-family:var(--font-body); font-size:.8rem; text-transform:uppercase; letter-spacing:.06em; color:var(--text-faint); margin-bottom:14px; }
.footer-grid li{ margin-bottom:8px; }
.footer-grid a{ font-size:16px; font-weight:600; color:var(--text-dim); }
.footer-grid a:hover{ color:var(--accent); }
.footer-blurb{ color:var(--text-faint); font-size:.86rem; max-width:280px; margin-top:12px; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:24px; border-top:1px solid var(--border-soft); flex-wrap:wrap; gap:14px; }
.footer-bottom .socials{ display:flex; gap:10px; }
.footer-bottom .socials a{ width:32px; height:32px; border-radius:50%; border:1px solid var(--border); display:flex; align-items:center; justify-content:center; font-size:.78rem; color:var(--text-dim); }
.footer-bottom small{ color:var(--text-faint); font-size:.82rem; }
@media(max-width:880px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media(max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }

/* ── Forms ── */
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:.83rem; color:var(--text-dim); margin-bottom:6px; }
.field input,.field textarea,.field select{ width:100%; padding:12px 14px; border-radius:var(--radius-sm); border:1px solid var(--border); background:var(--surface); color:var(--text); font-size:.93rem; }
.field input:focus,.field textarea:focus{ border-color:var(--accent); outline:none; box-shadow:0 0 0 3px rgba(106,61,232,.12); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
@media(max-width:520px){ .field-row{ grid-template-columns:1fr; } }
.check-row{ display:flex; align-items:center; justify-content:space-between; font-size:.85rem; color:var(--text-dim); margin-bottom:18px; flex-wrap:wrap; gap:8px; }
.check-row a{ color:var(--accent); }
.divider{ display:flex; align-items:center; gap:10px; color:var(--text-faint); font-size:.78rem; margin:20px 0; }
.divider::before,.divider::after{ content:""; flex:1; height:1px; background:var(--border-soft); }

/* ── Auth pages ── */
.auth-shell{ min-height:100vh; display:grid; grid-template-columns:1fr 1fr; }
.auth-form-side{ display:flex; align-items:center; justify-content:center; padding:40px 28px; background:var(--surface); }
.auth-form-side .inner{ width:100%; max-width:400px; }
.auth-brand-side{ background:linear-gradient(160deg,var(--surface-2),#e0e0ff); display:flex; flex-direction:column; justify-content:space-between; padding:48px; position:relative; overflow:hidden; border-left:1px solid var(--border-soft); }
.auth-brand-side::before{ content:""; position:absolute; inset:0; background:radial-gradient(circle at 70% 20%,rgba(106,61,232,.08),transparent 55%); }
.auth-brand-side .tagline{ position:relative; max-width:340px; }
.auth-brand-side .tagline h2{ font-size:1.5rem; color:var(--text); }
.auth-brand-side .tagline p{ color:var(--text-dim); }
@media(max-width:780px){ .auth-shell{ grid-template-columns:1fr; } .auth-brand-side{ display:none; } }

/* ── Page hero ── */
.page-hero{ padding:64px 0 20px; text-align:left; }
.page-hero .lead{ margin-inline:0; }

/* ── Filter bar ── */
.filter-bar{ display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin-bottom:32px; }
.filter-bar input[type="search"]{ flex:1; min-width:200px; padding:11px 16px; border-radius:999px; border:1px solid var(--border); background:var(--surface); color:var(--text); }
.pill-group{ display:flex; gap:8px; flex-wrap:wrap; }
.pill{ padding:7px 14px; border-radius:999px; font-size:.8rem; border:1px solid var(--border); color:var(--text-dim); background:var(--surface); cursor:pointer; }
.pill.active{ background:var(--accent); color:#fff; border-color:var(--accent); }

/* ── Pricing table ── */
.pricing-table{ display:flex; flex-direction:column; border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden; }
.pricing-table .row{ display:flex; justify-content:space-between; padding:16px 22px; border-bottom:1px solid var(--border-soft); font-size:.9rem; }
.pricing-table .row:last-child{ border-bottom:none; }
.pricing-table .row b{ color:var(--text); }

/* ── Timeline ── */
.timeline{ position:relative; padding-left:26px; border-left:1px solid var(--border); }
.t-item{ position:relative; padding-bottom:32px; }
.t-item:last-child{ padding-bottom:0; }
.t-item::before{ content:""; position:absolute; left:-31px; top:4px; width:10px; height:10px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 4px var(--bg); }
.t-item .yr{ font-family:var(--font-mono); color:var(--accent); font-size:.83rem; }

/* ── People grid ── */
.person-card{ text-align:center; }
.person-card .avatar-lg{ margin:0 auto 14px; }
.person-card span{ font-size:.83rem; color:var(--text-faint); }

/* ── Cart ── */
.cart-shell{ display:grid; grid-template-columns:1.6fr 1fr; gap:36px; align-items:start; }
@media(max-width:780px){ .cart-shell{ grid-template-columns:1fr; } }
.cart-item{ display:flex; align-items:center; gap:16px; padding:18px 0; border-bottom:1px solid var(--border-soft); flex-wrap:wrap; }
.cart-item .thumb{ width:50px; height:50px; border-radius:10px; background:var(--surface-2); display:flex; align-items:center; justify-content:center; font-size:.7rem; color:var(--text-faint); flex:none; }
.cart-item .info{ flex:1; min-width:160px; }
.cart-item .info small{ color:var(--text-faint); font-size:.82rem; }
.cart-item .price{ font-size:1rem; }
.coupon-row{ display:flex; gap:10px; margin-top:18px; flex-wrap:wrap; }
.coupon-row input{ flex:1; min-width:140px; padding:12px 14px; border-radius:var(--radius-sm); border:1px solid var(--border); background:var(--surface); color:var(--text); }
.summary-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:24px; position:sticky; top:88px; box-shadow:0 2px 12px rgba(59,59,245,.06); }
.summary-row{ display:flex; justify-content:space-between; font-size:.9rem; color:var(--text-dim); margin-bottom:10px; }
.summary-row.total{ color:var(--text); font-weight:700; font-size:1.05rem; border-top:1px solid var(--border-soft); padding-top:14px; margin-top:4px; }
.trust-line{ text-align:center; font-size:.76rem; color:var(--text-faint); margin-top:14px; }

/* ── Dashboard ── */
.dash-topbar{ display:flex; align-items:center; justify-content:space-between; padding:18px 0; border-bottom:1px solid var(--border-soft); margin-bottom:36px; flex-wrap:wrap; gap:12px; }
.dash-stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:40px; }
@media(max-width:760px){ .dash-stats{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:400px){ .dash-stats{ grid-template-columns:1fr 1fr; } }
.dash-stat{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:20px; box-shadow:0 2px 8px rgba(59,59,245,.06); }
.dash-stat .num{ font-family:var(--font-display); font-size:1.7rem; color:var(--text); }
.dash-stat .lbl{ font-size:.78rem; color:var(--text-faint); }
.progress-row{ display:flex; align-items:center; gap:14px; padding:16px 0; border-bottom:1px solid var(--border-soft); flex-wrap:wrap; }
.progress-row .meta{ flex:1; min-width:140px; }
.progress-bar{ width:120px; height:6px; border-radius:999px; background:var(--surface-2); overflow:hidden; flex-shrink:0; }
.progress-bar span{ display:block; height:100%; background:var(--accent); }
@media(max-width:520px){ .progress-row{ gap:10px; } .progress-bar{ width:80px; } }

/* ── Utilities ── */
.mt-0{ margin-top:0; }
.text-center{ text-align:center; }
.flex-between{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }

/* =========================================================
   TECHNICAL GRAPHICS SYSTEM  (blueprint bg + course covers)
   added for: technical background, course graphics, headings
   ========================================================= */

/* Faint technical blueprint behind the whole page — very subtle, light */
body{ position:relative; }
body::before{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none;
  background-image:url("../image/blueprint.svg");
  background-size:360px 360px;
  opacity:.22;
}
/* soft accent glow in alt sections */
.section--alt{ position:relative; overflow:hidden; }
.section--alt::before{
  content:""; position:absolute; z-index:0; inset:auto -10% -40% auto; width:520px; height:520px; pointer-events:none;
  background:radial-gradient(circle at 70% 30%, rgba(106,61,232,.07), transparent 60%);
}
.section--alt > .container{ position:relative; z-index:1; }

/* keep content above the blueprint */
.site-header, .site-footer, .section, .hero, .page-hero{ position:relative; z-index:1; }

/* ── Course cover graphics ── */
.course-card .cover{
  background-size:cover; background-position:center;
}
.cover--python{      background-image:url("../image/topics/python.svg") !important; }
.cover--statistics{  background-image:url("../image/topics/statistics.svg") !important; }
.cover--ml{          background-image:url("../image/topics/ml.svg") !important; }
.cover--dl{          background-image:url("../image/topics/dl.svg") !important; }
.cover--tools{       background-image:url("../image/topics/tools.svg") !important; }
.cover--research{    background-image:url("../image/topics/research.svg") !important; }
.cover--generic{     background-image:url("../image/topics/generic.svg") !important; }
.course-card .cover.cover--python,.course-card .cover.cover--statistics,
.course-card .cover.cover--ml,.course-card .cover.cover--dl,
.course-card .cover.cover--tools,.course-card .cover.cover--research,
.course-card .cover.cover--generic{ background-size:cover !important; background-position:center !important; }
/* scrim so badges stay readable */
.course-card .cover::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(180deg, rgba(255,255,255,0) 40%, rgba(220,220,255,.6));
}
.course-card .cover .badge{ position:relative; z-index:1; }

/* ── Hero media: real illustration instead of flat frame ── */
.media-panel .frame{
  background-image:url("../image/hero-illustration.svg") !important;
  background-size:cover; background-position:center;
}
.media-panel .frame .play-dot{ position:relative; z-index:1; }

/* ── Blog covers by category (!important to beat the page's inline .post-* styles) ── */
.cover--blog-deep-learning{    background:url("../image/blog/deep-learning.svg") center/cover !important; }
.cover--blog-python{           background:url("../image/blog/python.svg") center/cover !important; }
.cover--blog-statistics{       background:url("../image/blog/statistics.svg") center/cover !important; }
.cover--blog-machine-learning{ background:url("../image/blog/machine-learning.svg") center/cover !important; }
.cover--blog-research{         background:url("../image/blog/research.svg") center/cover !important; }

/* ── Dashboard course thumbs, contact map, about journey: small topic chips ── */
.thumb.t--python{   background:url("../image/topics/python.svg") center/cover !important; color:transparent !important; }
.thumb.t--statistics{ background:url("../image/topics/statistics.svg") center/cover !important; color:transparent !important; }
.thumb.t--ml{       background:url("../image/topics/ml.svg") center/cover !important; color:transparent !important; }

/* respect reduced motion */
@media (prefers-reduced-motion: reduce){
  .brand .brand-logo, .course-card{ transition:none; }
}