/* Corporate Decoded — light, professional "corporate office" theme */
:root{
  --bg:#f4f7fb;
  --surface:#ffffff;
  --surface-2:#fbfcfe;
  --ink:#16203a;
  --ink-soft:#54607a;
  --faint:#8a93a8;
  --accent:#2456c8;
  --accent-dark:#1b429b;
  --accent-soft:#e8eefb;
  --gold:#b5862f;
  --gold-soft:#f6efdd;
  --line:#e3e9f2;
  --line-strong:#d3dbe8;
  --shadow:0 14px 38px rgba(22,40,90,.10);
  --shadow-sm:0 5px 16px rgba(22,40,90,.07);
  --radius:18px;
  --radius-sm:12px;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --wrap:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:1.05rem;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.18;color:var(--ink);letter-spacing:-.01em}
a{color:var(--accent-dark);text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:24px}

/* ---------- Page background (light, fixed, no buildings) ---------- */
.page-bg{position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1100px 520px at 82% -8%, #e7eefb 0%, transparent 60%),
    radial-gradient(820px 480px at 8% 0%, #eef4ec 0%, transparent 55%),
    linear-gradient(180deg,#f7fafe 0%,#eef3fa 55%,#f4f7fb 100%);}

/* ---------- Hero skyline (decorative, behind hero text only) ---------- */
.skyline{position:absolute;left:0;right:0;bottom:0;height:48%;display:flex;align-items:flex-end;
  justify-content:center;gap:0;opacity:.55;z-index:0;pointer-events:none;
  -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 55%);
  mask-image:linear-gradient(180deg,transparent 0%,#000 55%)}
.bld{position:relative;flex:0 0 auto;align-self:flex-end;
  background:linear-gradient(180deg,#c5d3ea 0%,#b3c4e0 45%,#a9bbd9 100%);
  border-top:1px solid rgba(255,255,255,.6);
  border-left:1px solid rgba(120,140,180,.25);
  border-right:1px solid rgba(120,140,180,.18);
  box-shadow:inset -6px 0 14px rgba(120,140,180,.18)}
.bld::before{content:"";position:absolute;inset:9px 4px 0 4px;
  background-image:linear-gradient(rgba(255,255,255,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.45) 1px,transparent 1px);
  background-size:11px 15px;opacity:.7}
.bld.tall{background:linear-gradient(180deg,#cdd9ee 0%,#aebdda 45%,#a3b4d3 100%)}
.bld.glass{background:linear-gradient(115deg,#d6e2f3 0%,#bccbe6 40%,#cdd9ee 60%,#b2c2de 100%)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;
  background:rgba(247,250,254,.85);backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .3s,background .3s}
.site-header.scrolled{background:rgba(247,250,254,.95);box-shadow:0 4px 18px rgba(22,40,90,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:600}
.brand-mark{color:var(--accent);display:grid;place-items:center}
.brand-text{font-size:1.18rem;color:var(--ink);letter-spacing:-.01em}
.brand-text strong{color:var(--accent);font-weight:600}
.site-nav{display:flex;gap:6px;font-weight:600;font-size:.97rem}
.site-nav a{color:var(--ink-soft);padding:.45rem .85rem;border-radius:999px;transition:background .2s,color .2s}
.site-nav a:hover{background:var(--accent-soft);color:var(--accent-dark)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:96px 0 110px;text-align:center;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(680px 360px at 50% 42%, rgba(247,250,254,.92) 0%, rgba(247,250,254,.6) 55%, transparent 80%)}
.hero-inner{position:relative;z-index:1;max-width:840px;margin-inline:auto}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:700;color:var(--accent);margin:0 0 18px}
.hero-title{font-family:var(--serif);font-weight:600;font-size:clamp(2.3rem,5.4vw,3.9rem);line-height:1.08;margin:0 0 20px;color:var(--ink)}
.grad{color:var(--accent);position:relative;white-space:nowrap}
.grad::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.32em;background:var(--gold-soft);z-index:-1;border-radius:3px}
.hero-sub{font-size:1.18rem;color:var(--ink-soft);max-width:620px;margin:0 auto 32px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:38px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:700;
  font-size:.98rem;transition:transform .18s ease,box-shadow .18s ease,background .2s;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 26px -10px rgba(36,86,200,.55)}
.btn-primary:hover{transform:translateY(-2px);background:var(--accent-dark);box-shadow:0 16px 34px -12px rgba(36,86,200,.6)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--accent);color:var(--accent-dark)}
.hero-chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.hero-chips span,.hero-chips a{font-size:.83rem;color:var(--ink-soft);border:1px solid var(--line);padding:6px 14px;border-radius:999px;background:var(--surface);transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease}
.hero-chips a:hover{color:var(--accent-dark);border-color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}

/* ---------- Sections ---------- */
.section{padding:54px 24px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:28px}
.section-head h2{font-size:1.85rem;margin:0}
.see-all{color:var(--accent);font-weight:700;font-size:.95rem;white-space:nowrap}
.see-all:hover{color:var(--accent-dark)}
.list-head{padding-bottom:6px}
.page-title{font-size:clamp(2rem,4vw,2.9rem);margin:.2em 0 .3em}
.lede{color:var(--ink-soft);max-width:680px;font-size:1.1rem}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:22px}
.card{display:flex;flex-direction:column;gap:12px;padding:26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tag{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--accent-dark);
  background:var(--accent-soft);padding:5px 11px;border-radius:999px}
.rt{font-size:.78rem;color:var(--faint)}
.card-title{font-size:1.28rem;line-height:1.25;margin:0;color:var(--ink)}
.card:hover .card-title{color:var(--accent-dark)}
.card-desc{color:var(--ink-soft);font-size:.96rem;margin:0;flex:1}
.card-link{color:var(--accent);font-weight:700;font-size:.92rem}

/* ---------- Explore-by-topic band ---------- */
.topics{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.topics-inner{padding:54px 24px}
.topics-head{text-align:center;margin-bottom:34px}
.topics-head h2{font-size:1.85rem;margin:0 0 8px}
.topics-head p{color:var(--ink-soft);margin:0}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;max-width:var(--wrap);margin-inline:auto}
.topic{display:block;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
.topic:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.topic-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:var(--accent-soft);color:var(--accent-dark)}
.topic-icon::before{content:"";display:block;width:22px;height:22px;background:currentColor;
  -webkit-mask:var(--ic) center/contain no-repeat;mask:var(--ic) center/contain no-repeat}
.ti-compare{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 3h5v5'/%3E%3Cpath d='M8 21H3v-5'/%3E%3Cpath d='M21 3l-7.5 7.5'/%3E%3Cpath d='M3 21l7.5-7.5'/%3E%3C/svg%3E")}
.ti-projects{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 11l3 3L22 4'/%3E%3Cpath d='M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11'/%3E%3C/svg%3E")}
.ti-leadership{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='9' cy='7' r='4'/%3E%3Cpath d='M23 21v-2a4 4 0 0 0-3-3.87'/%3E%3Cpath d='M16 3.13a4 4 0 0 1 0 7.75'/%3E%3C/svg%3E")}
.ti-finance{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='1' x2='12' y2='23'/%3E%3Cpath d='M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6'/%3E%3C/svg%3E")}
.ti-tools{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14.7 6.3a1 1 0 0 0 0 1.4l1.6 1.6a1 1 0 0 0 1.4 0l3.77-3.77a6 6 0 0 1-7.94 7.94l-6.91 6.91a2.12 2.12 0 0 1-3-3l6.91-6.91a6 6 0 0 1 7.94-7.94l-3.76 3.76z'/%3E%3C/svg%3E")}
.ti-all{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 19.5A2.5 2.5 0 0 1 6.5 17H20'/%3E%3Cpath d='M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z'/%3E%3C/svg%3E")}
.topic h3{font-size:1.18rem;margin:0 0 6px;color:var(--ink)}
.topic p{margin:0;color:var(--ink-soft);font-size:.94rem}

/* ---------- Article ---------- */
.article-head{padding:60px 0 26px;border-bottom:1px solid var(--line)}
.article-title{font-size:clamp(2rem,4.4vw,3rem);line-height:1.12;margin:.3em 0 .25em}
.article-dek{font-size:1.2rem;color:var(--ink-soft);max-width:720px;margin:0 0 16px}
.article-meta{display:flex;gap:8px;color:var(--faint);font-size:.9rem}
.article-body{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:48px;padding-top:40px;align-items:start}
.article-foot{padding:30px 24px 70px}

.prose{font-size:1.08rem;color:#2c3650;max-width:760px}
.prose h2{font-size:1.6rem;margin:2em 0 .6em;scroll-margin-top:90px}
.prose h3{font-size:1.25rem;margin:1.6em 0 .5em;scroll-margin-top:90px}
.prose p{margin:0 0 1.15em}
.prose a{color:var(--accent-dark);text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--line-strong)}
.prose a:hover{text-decoration-color:var(--accent)}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin:.4em 0}
.prose strong{color:var(--ink)}
.prose blockquote{margin:1.6em 0;padding:16px 22px;border-left:4px solid var(--accent);
  background:var(--accent-soft);border-radius:0 12px 12px 0;color:var(--ink-soft);font-style:italic}
.prose blockquote p:last-child{margin:0}
.prose code{background:#eef1f6;padding:2px 7px;border-radius:6px;font-size:.9em;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent-dark)}
.prose pre{background:#f1f4f9;border:1px solid var(--line);padding:18px;border-radius:12px;overflow:auto;color:var(--ink)}
.prose pre code{background:none;padding:0;color:var(--ink)}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.97rem;background:var(--surface);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;display:table}
.prose th,.prose td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.prose thead th{color:var(--accent-dark);font-family:var(--serif);font-size:.95rem;
  background:var(--accent-soft);border-bottom:1px solid var(--line-strong)}
.prose tbody tr:last-child td{border-bottom:none}
.prose tbody tr:hover{background:var(--surface-2)}
.prose hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}

.tldr{background:var(--gold-soft);border:1px solid #e9dcbd;border-left:4px solid var(--gold);
  padding:16px 22px;border-radius:0 12px 12px 0;margin:0 0 2em;color:#5e4f2f;font-size:1rem}
.tldr strong{color:var(--gold);text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;margin-right:8px;font-weight:800}
.tldr p{display:inline;margin:0}

/* ---------- Aside / TOC ---------- */
.article-aside{position:sticky;top:90px}
.toc-box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-sm)}
.toc-title{text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;color:var(--faint);margin:0 0 10px;font-weight:800}
.toc-box ul{list-style:none;margin:0;padding:0;font-size:.9rem}
.toc-box li{margin:.35em 0}
.toc-box a{color:var(--ink-soft);transition:color .2s}
.toc-box a:hover{color:var(--accent-dark)}
.toc-box ul ul{padding-left:14px;margin-top:.3em;border-left:1px solid var(--line)}

/* ---------- Footer ---------- */
.site-footer{margin-top:60px;background:#16203a;color:#cdd6e8}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding:46px 24px}
.footer-brand .brand-text{font-family:var(--serif);font-size:1.2rem;color:#fff}
.footer-brand .brand-text strong{color:#7fa3e8}
.footer-brand p{color:#9aa7c2;max-width:380px;margin:.6em 0 0;font-size:.93rem}
.footer-meta{color:#8593b2;font-size:.86rem;align-self:flex-end}

/* ---------- Responsive ---------- */
@media(max-width:820px){
  .article-body{grid-template-columns:1fr;gap:28px}
  .article-aside{position:static;order:-1}
  .site-nav{gap:2px}
  .site-nav a{padding:.4rem .6rem}
}
@media(max-width:520px){
  body{font-size:1rem}
  .hero{padding:64px 0 56px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

/* ============ COURSE ============ */
.course-hero{position:relative;text-align:center;padding:84px 0 60px;overflow:hidden}
.course-hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(680px 320px at 50% 30%,rgba(247,250,254,.85),transparent 75%)}
.course-hero-inner{position:relative;z-index:1;max-width:780px;margin-inline:auto}
.course-title{font-family:var(--serif);font-weight:600;font-size:clamp(2.1rem,5vw,3.4rem);line-height:1.1;margin:0 0 18px}
.course-stats{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:26px;color:var(--ink-soft);font-size:.95rem}
.course-stats strong{color:var(--accent-dark);font-size:1.15rem;font-family:var(--serif)}

.outcomes h2{font-size:1.6rem;margin:0 0 22px;text-align:center}
.outcome-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.outcome{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.oc-num{font-family:var(--serif);font-weight:700;color:var(--accent);font-size:1.1rem}
.outcome p{margin:.5em 0 0;color:var(--ink-soft);font-size:.96rem}

/* module list (outline) */
.module-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;counter-reset:none}
.module-card{display:flex;align-items:center;gap:20px;padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s}
.module-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.module-index{flex:0 0 auto;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-family:var(--serif);font-weight:700;font-size:1.3rem;background:var(--accent-soft);color:var(--accent-dark)}
.module-card.is-pro .module-index{background:var(--gold-soft);color:var(--gold)}
.module-main{flex:1;display:flex;flex-direction:column;gap:4px;min-width:0}
.module-row-top{display:flex;align-items:center;gap:10px}
.module-row-title{font-family:var(--serif);font-weight:600;font-size:1.18rem;color:var(--ink)}
.module-card:hover .module-row-title{color:var(--accent-dark)}
.module-row-desc{color:var(--ink-soft);font-size:.95rem}
.module-row-meta{color:var(--faint);font-size:.82rem;text-transform:uppercase;letter-spacing:.05em}
.module-cta{flex:0 0 auto;color:var(--accent);font-weight:700;font-size:.95rem}
.badge{font-size:.66rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800;padding:3px 9px;border-radius:999px}
.badge-free{background:#e4f3ea;color:#1d7a47}
.badge-pro{background:var(--gold-soft);color:var(--gold)}

/* pricing */
.pricing{background:var(--surface);border-top:1px solid var(--line);padding:56px 24px 64px;margin-top:20px}
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;max-width:760px;margin:30px auto 0}
.price-card{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px}
.price-card.price-feature{border-color:var(--accent);box-shadow:0 14px 38px -16px rgba(36,86,200,.4);position:relative}
.price-name{text-transform:uppercase;letter-spacing:.12em;font-size:.74rem;font-weight:800;color:var(--ink-soft);margin:0}
.price-amt{font-family:var(--serif);font-size:1.9rem;font-weight:700;margin:.2em 0 .6em;color:var(--ink)}
.price-card ul{list-style:none;margin:0 0 20px;padding:0}
.price-card li{padding:7px 0 7px 26px;position:relative;color:var(--ink-soft);font-size:.96rem;border-bottom:1px solid var(--line)}
.price-card li::before{content:"\2713";position:absolute;left:0;color:var(--accent);font-weight:800}
.price-note{text-align:center;color:var(--faint);font-size:.86rem;margin:24px auto 0;max-width:560px}

/* module page */
.module-head{padding:54px 0 22px;border-bottom:1px solid var(--line)}
.module-tagrow{display:flex;align-items:center;gap:12px;margin:10px 0 12px}
.module-num{text-transform:uppercase;letter-spacing:.12em;font-size:.74rem;font-weight:800;color:var(--accent)}
.module-dur{color:var(--faint);font-size:.85rem}
.module-head h1{font-size:clamp(1.9rem,4vw,2.7rem);margin:0 0 .3em}
.module-dek{font-size:1.18rem;color:var(--ink-soft);max-width:680px;margin:0}
.module-body{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:46px;padding-top:36px;align-items:start}
.back-link{font-weight:700;color:var(--accent);font-size:.92rem}

.objectives{background:var(--accent-soft);border-radius:14px;padding:18px 22px;margin:0 0 1.6em}
.objectives-title{text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;font-weight:800;color:var(--accent-dark);margin:0 0 8px}
.objectives ul{margin:0;padding-left:20px}
.objectives li{margin:.3em 0;color:#243a63}

/* diagrams */
.diagram{margin:1.8em 0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 18px 10px;box-shadow:var(--shadow-sm)}
.diagram svg{width:100%;height:auto;display:block}
.diagram-cap{text-align:center;color:var(--ink-soft);font-size:.88rem;margin:10px 4px 4px;font-style:italic}

/* quiz */
.quiz{margin:2.2em 0 1em;background:var(--surface);border:1px solid var(--line-strong);border-radius:16px;padding:24px 24px 26px;box-shadow:var(--shadow-sm)}
.quiz h3{margin:0 0 16px;font-size:1.25rem}
.quiz .q{margin:0 0 20px;padding:0 0 18px;border-bottom:1px dashed var(--line)}
.quiz .q:last-of-type{border-bottom:none}
.q-text{margin:0 0 12px;font-weight:600;color:var(--ink)}
.opt{display:block;width:100%;text-align:left;margin:8px 0;padding:12px 16px;border:1px solid var(--line-strong);
  border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-size:.98rem;cursor:pointer;
  transition:border-color .15s,background .15s,transform .1s}
.opt:hover{border-color:var(--accent);background:var(--accent-soft)}
.opt.selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}
.opt.is-correct{border-color:#2e9e5b;background:#e7f6ee;box-shadow:inset 0 0 0 1px #2e9e5b}
.opt.is-correct::after{content:" \2713";color:#1d7a47;font-weight:800;float:right}
.opt.is-wrong{border-color:#d6584a;background:#fdecea;box-shadow:inset 0 0 0 1px #d6584a}
.opt.is-wrong::after{content:" \2715";color:#b23a2d;font-weight:800;float:right}
.quiz.graded .opt{cursor:default}
.quiz-submit{margin-top:8px}
.quiz-score{margin:14px 0 0;font-weight:700}
.quiz-score.good{color:#1d7a47}
.quiz-score.warn{color:#b2701a}

/* locked (pro preview) */
.locked{position:relative;margin:1.4em 0;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.locked-blur{padding:26px 28px;filter:blur(5px);user-select:none;color:var(--ink-soft);opacity:.7}
.locked-gate{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;text-align:center;padding:24px;background:linear-gradient(180deg,rgba(255,255,255,.78),rgba(255,255,255,.94))}
.lock-ico{font-size:2rem}
.locked-gate h3{margin:0;font-size:1.3rem}
.locked-gate p{margin:0 0 8px;color:var(--ink-soft);max-width:380px}
.locked-gate .btn{margin:2px}

/* module nav + pager */
.module-nav ol{list-style:none;margin:0;padding:0;font-size:.9rem;counter-reset:m}
.module-nav li{margin:.2em 0}
.module-nav li a{display:block;padding:7px 10px;border-radius:8px;color:var(--ink-soft)}
.module-nav li a:hover{background:var(--accent-soft);color:var(--accent-dark)}
.module-nav li.current a{background:var(--accent-soft);color:var(--accent-dark);font-weight:700}
.mini-lock{opacity:.6;font-size:.8em}
.module-pager{display:flex;justify-content:space-between;gap:16px;margin-top:2.4em;padding-top:1.4em;border-top:1px solid var(--line);font-weight:700}
.module-pager .pager-next{margin-left:auto;text-align:right}

/* home course promo */
.course-promo{background:linear-gradient(120deg,#16203a,#23335c);color:#fff;border-radius:var(--radius);
  padding:34px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:var(--shadow)}
.course-promo h2{color:#fff;margin:0 0 6px;font-size:1.6rem}
.course-promo p{margin:0;color:#bcc8e2;max-width:520px}
.course-promo .promo-badge{text-transform:uppercase;letter-spacing:.14em;font-size:.7rem;font-weight:800;color:#7fa3e8;margin:0 0 8px}
.course-promo .btn-primary{background:#fff;color:#16203a}
.course-promo .btn-primary:hover{background:#eaf0fb}

@media(max-width:820px){
  .module-body{grid-template-columns:1fr;gap:26px}
  .module-body .article-aside{order:-1;position:static}
  .module-card{flex-wrap:wrap}
}

/* ============ COURSE CATALOG ============ */
.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.catalog-card{display:flex;align-items:center;gap:18px;padding:24px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
.catalog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.catalog-icon{flex:0 0 auto;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent-dark)}
.catalog-icon::before{content:"";display:block;width:26px;height:26px;background:currentColor;
  -webkit-mask:var(--ic) center/contain no-repeat;mask:var(--ic) center/contain no-repeat}
.catalog-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:5px}
.catalog-name{font-family:var(--serif);font-weight:600;font-size:1.25rem;color:var(--ink)}
.catalog-card:hover .catalog-name{color:var(--accent-dark)}
.catalog-desc{color:var(--ink-soft);font-size:.95rem}
.catalog-meta{color:var(--faint);font-size:.84rem;display:flex;align-items:center;gap:10px;margin-top:2px}
.catalog-go{flex:0 0 auto;color:var(--accent);font-weight:700;font-size:.95rem}
@media(max-width:560px){.catalog-card{flex-wrap:wrap}}

/* ============ START-HERE PATH ============ */
.startpath{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow-sm)}
.startpath-head h2{font-size:1.5rem;margin:0 0 6px}
.startpath-head p{color:var(--ink-soft);margin:0 0 20px;max-width:680px}
.path{list-style:none;margin:0 0 20px;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;counter-reset:none}
.path-step a{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2);transition:transform .18s ease,box-shadow .18s ease,border-color .18s;height:100%}
.path-step a:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--accent)}
.path-num{flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:.95rem;background:var(--accent);color:#fff}
.path-body{display:flex;flex-direction:column;min-width:0}
.path-name{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:1rem;line-height:1.2}
.path-dur{color:var(--faint);font-size:.8rem;margin-top:2px}

/* ============ PROGRESS ============ */
.progress{margin:0 0 12px}
.progress-bar{height:7px;border-radius:999px;background:var(--line);overflow:hidden}
.progress-bar>span{display:block;height:100%;width:0;background:var(--accent);transition:width .4s ease}
.progress-count{margin:6px 0 0;font-size:.78rem;color:var(--faint);font-weight:600}
.module-nav li.done>a::before{content:"\2713 ";color:#1d7a47;font-weight:800}

/* ============ CERTIFICATE ============ */
.certificate{margin:2em 0;border-radius:18px;overflow:hidden}
.cert-inner{position:relative;text-align:center;padding:40px 32px 36px;
  background:linear-gradient(160deg,#fbfcfe,#eef3fb);border:2px solid var(--accent);border-radius:18px}
.cert-inner::before,.cert-inner::after{content:"";position:absolute;width:30px;height:30px;border:2px solid var(--gold)}
.cert-inner::before{top:12px;left:12px;border-right:none;border-bottom:none}
.cert-inner::after{bottom:12px;right:12px;border-left:none;border-top:none}
.cert-kicker{text-transform:uppercase;letter-spacing:.22em;font-size:.78rem;font-weight:800;color:var(--accent-dark);margin:0}
.cert-rule{width:64px;height:3px;background:var(--gold);margin:12px auto 18px;border-radius:3px}
.cert-sub{color:var(--ink-soft);margin:6px 0;font-size:.95rem}
.cert-name{font-family:var(--serif);font-size:2rem;font-weight:700;color:var(--ink);margin:6px 0;line-height:1.1}
.cert-course{font-family:var(--serif);font-size:1.35rem;font-weight:600;color:var(--accent-dark);margin:6px 0 14px}
.cert-date{color:var(--faint);font-size:.9rem;margin:0 0 14px}
.cert-brand{font-family:var(--serif);color:var(--ink-soft);font-size:1rem;margin:0}
.cert-brand strong{color:var(--accent)}
.cert-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:18px}
.cert-actions input{flex:1;min-width:200px;padding:11px 14px;border:1px solid var(--line-strong);border-radius:10px;font:inherit;color:var(--ink)}
.cert-actions input:focus{outline:none;border-color:var(--accent)}

@media print{
  body *{visibility:hidden!important}
  #certificate,#certificate *{visibility:visible!important}
  #certificate{position:absolute;left:0;top:0;width:100%;margin:0}
  .no-print{display:none!important}
  .page-bg,.site-header,.site-footer{display:none!important}
}

/* extra catalog icons */
.ti-code{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='16 18 22 12 16 6'/%3E%3Cpolyline points='8 6 2 12 8 18'/%3E%3C/svg%3E")}
.ti-shield{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E")}

/* ============ EXPANDABLE COURSE CARDS ============ */
.course-cards{display:flex;flex-direction:column;gap:16px;max-width:900px;margin-inline:auto}
.ccard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .2s,border-color .2s,transform .2s}
.ccard:hover{border-color:var(--line-strong)}
.ccard[open]{box-shadow:var(--shadow);border-color:var(--line-strong)}
.ccard-top{display:flex;align-items:center;gap:18px;padding:20px 22px;cursor:pointer;list-style:none;user-select:none}
.ccard-top::-webkit-details-marker{display:none}
.ccard-top:hover .ccard-title{color:var(--accent-dark)}
.ccard-icon{flex:0 0 auto;width:58px;height:58px;border-radius:15px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,#2456c8,#5b8cff);box-shadow:0 8px 18px -8px rgba(36,86,200,.5)}
.ccard-icon::before{content:"";display:block;width:30px;height:30px;background:currentColor;
  -webkit-mask:var(--ic) center/contain no-repeat;mask:var(--ic) center/contain no-repeat}
.ccard-head{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.ccard-title{font-family:var(--serif);font-weight:600;font-size:1.25rem;color:var(--ink);transition:color .2s}
.ccard-desc{color:var(--ink-soft);font-size:.95rem}
.ccard-meta{color:var(--faint);font-size:.83rem;display:flex;align-items:center;gap:10px;margin-top:3px}
.ccard-chev{flex:0 0 auto;color:var(--faint);font-size:1.5rem;line-height:1;transition:transform .25s}
.ccard[open] .ccard-chev{transform:rotate(180deg);color:var(--accent)}
.ccard-body{padding:0 22px 24px;animation:ccardin .25s ease}
@keyframes ccardin{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.ccard-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px;border-top:1px solid var(--line);padding-top:18px}
.ccard-sub{text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;font-weight:800;color:var(--accent-dark);margin:0 0 10px}
.ccard-obj{margin:0;padding-left:18px;color:var(--ink-soft)}
.ccard-obj li{margin:.32em 0;font-size:.95rem}
.ccard-mods{list-style:none;margin:0;padding:0}
.ccard-mods li a{display:flex;justify-content:space-between;gap:10px;align-items:baseline;padding:8px 10px;border-radius:9px;color:var(--ink);font-size:.93rem}
.ccard-mods li a:hover{background:var(--accent-soft);color:var(--accent-dark)}
.ccard-mods .m-dur{color:var(--faint);font-size:.8rem;white-space:nowrap}
.ccard-start{margin-top:20px}
/* per-course themed icon tiles */
.course-cards .ccard:nth-of-type(1) .ccard-icon{background:linear-gradient(135deg,#2456c8,#5b8cff)}
.course-cards .ccard:nth-of-type(2) .ccard-icon{background:linear-gradient(135deg,#5b5bd6,#9b87ff)}
.course-cards .ccard:nth-of-type(3) .ccard-icon{background:linear-gradient(135deg,#1d8a6e,#3fc09c)}
.course-cards .ccard:nth-of-type(4) .ccard-icon{background:linear-gradient(135deg,#b5862f,#e3b85e)}
.course-cards .ccard:nth-of-type(5) .ccard-icon{background:linear-gradient(135deg,#1f8fb0,#48c4da)}
.course-cards .ccard:nth-of-type(6) .ccard-icon{background:linear-gradient(135deg,#c0433a,#e4796f)}
@media(max-width:640px){
  .ccard-cols{grid-template-columns:1fr;gap:18px}
  .ccard-desc{display:none}
  .ccard-icon{width:48px;height:48px}
  .ccard-icon::before{width:24px;height:24px}
}

/* new catalog icons (courses 7-13) */
.ti-strategy{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Ccircle cx='12' cy='12' r='6'/%3E%3Ccircle cx='12' cy='12' r='2'/%3E%3C/svg%3E")}
.ti-customers{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78L12 21.23l7.78-7.85a5.5 5.5 0 0 0 0-7.77z'/%3E%3C/svg%3E")}
.ti-sales{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='23 6 13.5 15.5 8.5 10.5 1 18'/%3E%3Cpolyline points='17 6 23 6 23 12'/%3E%3C/svg%3E")}
.ti-pie{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21.21 15.89A10 10 0 1 1 8 2.83'/%3E%3Cpath d='M22 12A10 10 0 0 0 12 2v10z'/%3E%3C/svg%3E")}
.ti-hr{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='8' r='6'/%3E%3Cpolyline points='8.21 13.89 7 23 12 20 17 23 15.79 13.88'/%3E%3C/svg%3E")}
.ti-legal{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v18'/%3E%3Cpath d='M5 7h14'/%3E%3Cpath d='M5 7l-3 6a3 3 0 0 0 6 0z'/%3E%3Cpath d='M19 7l-3 6a3 3 0 0 0 6 0z'/%3E%3Cpath d='M7 21h10'/%3E%3C/svg%3E")}
.ti-product{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z'/%3E%3Cpolyline points='3.27 6.96 12 12.01 20.73 6.96'/%3E%3Cline x1='12' y1='22.08' x2='12' y2='12'/%3E%3C/svg%3E")}
/* card gradients for courses 7-13 */
.course-cards .ccard:nth-of-type(7) .ccard-icon{background:linear-gradient(135deg,#6d3bd1,#9b6cff)}
.course-cards .ccard:nth-of-type(8) .ccard-icon{background:linear-gradient(135deg,#d6457f,#f07ba6)}
.course-cards .ccard:nth-of-type(9) .ccard-icon{background:linear-gradient(135deg,#1f9e55,#4fc77f)}
.course-cards .ccard:nth-of-type(10) .ccard-icon{background:linear-gradient(135deg,#138a8a,#3bc0c0)}
.course-cards .ccard:nth-of-type(11) .ccard-icon{background:linear-gradient(135deg,#d2722a,#f0a25a)}
.course-cards .ccard:nth-of-type(12) .ccard-icon{background:linear-gradient(135deg,#3a4d8f,#6a7fc0)}
.course-cards .ccard:nth-of-type(13) .ccard-icon{background:linear-gradient(135deg,#1f6fb0,#46a6da)}

/* refreshed, more distinctive icons for courses 7-13 (override earlier defs) */
.ti-strategy{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolygon points='16.24 7.76 14.12 14.12 7.76 16.24 9.88 9.88 16.24 7.76'/%3E%3C/svg%3E")}
.ti-customers{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 2 3 6v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V6l-3-4z'/%3E%3Cpath d='M3 6h18'/%3E%3Cpath d='M16 10a4 4 0 0 1-8 0'/%3E%3C/svg%3E")}
.ti-sales{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='23 6 13.5 15.5 8.5 10.5 1 18'/%3E%3Cpolyline points='17 6 23 6 23 12'/%3E%3C/svg%3E")}
.ti-pie{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 12V7H5a2 2 0 0 1 0-4h14v4'/%3E%3Cpath d='M3 5v14a2 2 0 0 0 2 2h16v-5'/%3E%3Cpath d='M18 12a2 2 0 0 0 0 4h4v-4z'/%3E%3C/svg%3E")}
.ti-hr{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='16' rx='2'/%3E%3Ccircle cx='9' cy='10' r='2'/%3E%3Cpath d='M6 16c0-1.7 1.3-3 3-3s3 1.3 3 3'/%3E%3Cline x1='15' y1='9' x2='18' y2='9'/%3E%3Cline x1='15' y1='13' x2='18' y2='13'/%3E%3C/svg%3E")}
.ti-legal{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v18'/%3E%3Cpath d='M5 7h14'/%3E%3Cpath d='M5 7l-3 6a3 3 0 0 0 6 0z'/%3E%3Cpath d='M19 7l-3 6a3 3 0 0 0 6 0z'/%3E%3Cpath d='M7 21h10'/%3E%3C/svg%3E")}
.ti-product{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Cline x1='3' y1='9' x2='21' y2='9'/%3E%3Cline x1='9' y1='21' x2='9' y2='9'/%3E%3C/svg%3E")}

/* catalog icons (courses 14-18) */
.ti-supply{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='1' y='3' width='15' height='13'/%3E%3Cpolygon points='16 8 20 8 23 11 23 16 16 16 16 8'/%3E%3Ccircle cx='5.5' cy='18.5' r='2.5'/%3E%3Ccircle cx='18.5' cy='18.5' r='2.5'/%3E%3C/svg%3E")}
.ti-procurement{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='9' cy='21' r='1'/%3E%3Ccircle cx='20' cy='21' r='1'/%3E%3Cpath d='M1 1h4l2.68 13.39a2 2 0 0 0 2 1.61h9.72a2 2 0 0 0 2-1.61L23 6H6'/%3E%3C/svg%3E")}
.ti-data{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cellipse cx='12' cy='5' rx='9' ry='3'/%3E%3Cpath d='M21 12c0 1.66-4 3-9 3s-9-1.34-9-3'/%3E%3Cpath d='M3 5v14c0 1.66 4 3 9 3s9-1.34 9-3V5'/%3E%3C/svg%3E")}
.ti-ai{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='4' width='16' height='16' rx='2'/%3E%3Crect x='9' y='9' width='6' height='6'/%3E%3Cline x1='9' y1='1' x2='9' y2='4'/%3E%3Cline x1='15' y1='1' x2='15' y2='4'/%3E%3Cline x1='9' y1='20' x2='9' y2='23'/%3E%3Cline x1='15' y1='20' x2='15' y2='23'/%3E%3Cline x1='20' y1='9' x2='23' y2='9'/%3E%3Cline x1='20' y1='14' x2='23' y2='14'/%3E%3Cline x1='1' y1='9' x2='4' y2='9'/%3E%3Cline x1='1' y1='14' x2='4' y2='14'/%3E%3C/svg%3E")}
.ti-azure{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 10h-1.26A8 8 0 1 0 9 20h9a5 5 0 0 0 0-10z'/%3E%3C/svg%3E")}
/* card gradients 14-18 */
.course-cards .ccard:nth-of-type(14) .ccard-icon{background:linear-gradient(135deg,#6b8f3b,#9cc063)}
.course-cards .ccard:nth-of-type(15) .ccard-icon{background:linear-gradient(135deg,#b5563f,#db8a6e)}
.course-cards .ccard:nth-of-type(16) .ccard-icon{background:linear-gradient(135deg,#1f9e9e,#46c7c7)}
.course-cards .ccard:nth-of-type(17) .ccard-icon{background:linear-gradient(135deg,#9b2fb0,#c96ce0)}
.course-cards .ccard:nth-of-type(18) .ccard-icon{background:linear-gradient(135deg,#0f6fb8,#38a7e0)}

/* ============ ACCOUNT / PROFILE MENU ============ */
.account{position:relative;margin-left:12px}
.account-btn{display:inline-grid;place-items:center;width:38px;height:38px;padding:0;border-radius:50%;border:1px solid #d3dbe8;background:#fff;color:#54607a;cursor:pointer;transition:border-color .15s,color .15s,box-shadow .15s}
.account-btn:hover{border-color:#2456c8;color:#2456c8}
.account-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(36,86,200,.25)}
.account-avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;font-weight:700;font-size:.9rem;line-height:1}
.account-avatar.is-user{background:linear-gradient(135deg,#2456c8,#5b8cff);color:#fff}
.account-menu{position:absolute;right:0;top:48px;min-width:210px;background:#fff;border:1px solid #e2e8f3;border-radius:14px;box-shadow:0 18px 40px -18px rgba(20,30,60,.45);padding:8px;z-index:60}
.account-item{display:block;width:100%;box-sizing:border-box;text-align:left;padding:9px 12px;border-radius:9px;font:inherit;font-size:.9rem;color:#16203a;background:none;border:none;cursor:pointer;text-decoration:none}
.account-item:hover{background:#eef3fb;color:#1b429b}
.account-logout{color:#b23a2a}
.account-logout:hover{background:#fde8e4;color:#b23a2a}
.account-id{display:flex;align-items:center;gap:10px;padding:8px 10px 10px}
.account-id .account-avatar.sm{width:32px;height:32px;flex:0 0 auto}
.account-email{font-size:.82rem;color:#54607a;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:140px}
.account-sep{height:1px;background:#eef1f7;margin:4px 4px 6px}

/* ============ COURSE REGISTRATION ============ */
.enroll-btn.is-enrolled{background:#e3f4ea;border-color:#7fc7a0;color:#1d7a47}
.mycourses{max-width:760px}
.mc-list{display:grid;gap:12px;margin-top:18px}
.mc-card{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;border:1px solid #e2e8f3;border-radius:12px;background:#fff;text-decoration:none;color:#16203a;transition:border-color .15s,transform .15s,box-shadow .15s}
.mc-card:hover{border-color:#2456c8;transform:translateY(-1px);box-shadow:0 10px 24px -16px rgba(36,86,200,.5)}
.mc-card-title{font-weight:600}
.mc-card-go{color:#2456c8;font-size:.9rem;white-space:nowrap}
.mc-empty{color:#54607a;margin-top:14px}

/* The hidden attribute must always win over component display rules
   (fixes auth forms showing all at once, menus, gates, etc.) */
[hidden]{display:none!important}
org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='9' cy='7' r='4'/%3E%3Cpath d='M23 21v-2a4 4 0 0 0-3-3.87'/%3E%3Cpath d='M16 3.13a4 4 0 0 1 0 7.75'/%3E%3C/svg%3E")}
.ti-outlook{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'/%3E%3Cpolyline points='22 6 12 13 2 6'/%3E%3C/svg%3E")}
.course-cards .ccard:nth-of-type(24) .ccard-icon{background:linear-gradient(135deg,#1a4fb5,#4a86e8)}

/* ============ INTERACTIVE: decision tree & drag-sort ============ */
.decision,.dnd{margin:24px 0;padding:20px;border:1px solid #e2e8f3;border-radius:16px;background:#fbfcfe}
.dt-q{margin:0;font-weight:600;color:#16203a;font-size:1.05rem}
.dt-options{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.dt-opt{display:block;width:100%;text-align:left;padding:13px 16px;border:1px solid #d3dbe8;border-radius:10px;background:#fff;color:#16203a;font:inherit;cursor:pointer;transition:border-color .15s,background .15s,transform .15s}
.dt-opt:hover{border-color:#2456c8;background:#eef3fb;transform:translateY(-1px)}
.dt-result{border-radius:12px;padding:16px 18px;border:1px solid #d3dbe8;background:#eef3fb}
.dt-result h4{margin:0 0 8px;font-size:1.1rem;color:#1b429b}
.dt-result.poc{background:#e8eefb;border-color:#bcd0f6}
.dt-result.pov{background:#eef3fb;border-color:#d3dbe8}
.dt-result.mvp{background:#f6efdd;border-color:#e4d3a8}
.dt-result.mvp h4{color:#8a6516}
.dt-result.steer{background:#fdeee9;border-color:#f3c9b8}
.dt-result.steer h4{color:#b23a2a}
.dt-result .dt-next{margin:8px 0 0;font-size:.92rem;color:#54607a}
.dt-actions{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap}

.dnd-pool{display:flex;flex-wrap:wrap;gap:10px;min-height:50px;padding:12px;border:1px dashed #cdd6e6;border-radius:12px;background:#fff}
.dnd-chip{padding:9px 13px;border:1px solid #bcd0f6;border-radius:12px;background:#eef3fb;color:#16203a;font:inherit;font-size:.9rem;line-height:1.3;cursor:grab;transition:border-color .15s,background .15s,opacity .15s;text-align:left}
.dnd-chip:hover{border-color:#2456c8}
.dnd-chip.dragging{opacity:.45}
.dnd-chip.picked{outline:2px solid #2456c8;outline-offset:1px;background:#dbe7ff}
.dnd-chip.right{background:#e3f4ea;border-color:#7fc7a0;color:#1d7a47}
.dnd-chip.wrong{background:#fde8e4;border-color:#f0a08e;color:#b23a2a}
.dnd-buckets{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.dnd-bucket{display:flex;flex-direction:column;gap:8px;min-height:140px;padding:12px;border:2px dashed #cdd6e6;border-radius:14px;background:#fff}
.dnd-bucket.over{border-color:#2456c8;background:#eef3fb}
.dnd-bk-title{font-weight:700;color:#1b429b}
.dnd-bk-sub{font-size:.8rem;color:#54607a;margin-top:-6px}
.dnd-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.dnd-result{margin:12px 0 0;font-weight:700}
.dnd-result.good{color:#1d7a47}
.dnd-result.warn{color:#b2701a}
.dnd-hint{margin:10px 0 0;font-size:.86rem;color:#54607a}
@media(max-width:640px){.dnd-buckets{grid-template-columns:1fr}}

/* flip / reveal scenario cards */
.flipset{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}
.flip-card{display:block;width:100%;text-align:left;padding:16px 18px;border:1px solid #d3dbe8;border-radius:14px;background:#fff;color:#16203a;font:inherit;cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .15s}
.flip-card:hover{border-color:#2456c8;transform:translateY(-1px);box-shadow:0 8px 18px -12px rgba(36,86,200,.45)}
.flip-q{display:block;font-size:.96rem;line-height:1.45}
.flip-q::after{content:"Tap to reveal ↓";display:block;margin-top:10px;font-size:.78rem;font-weight:600;color:#2456c8;letter-spacing:.02em}
.flip-a{display:none;margin-top:12px;padding-top:12px;border-top:1px dashed #d3dbe8;font-size:.92rem;line-height:1.45;color:#16203a}
.flip-card.revealed .flip-a{display:block}
.flip-card.revealed .flip-q::after{content:"Tap to hide ↑";color:#54607a}
.flip-tag{display:inline-block;margin-right:8px;padding:2px 9px;border-radius:999px;font-size:.78rem;font-weight:700;vertical-align:middle;background:#eef3fb;color:#16203a}
.flip-tag.poc,.flip-tag.t1{background:#e8eefb;color:#1b429b}
.flip-tag.pov,.flip-tag.t2{background:#eef3fb;color:#16203a;border:1px solid #d3dbe8}
.flip-tag.mvp,.flip-tag.t3{background:#f6efdd;color:#8a6516}
.flip-tag.t4{background:#e7f3ec;color:#1d7a47}
@media(max-width:640px){.flipset{grid-template-columns:1fr}}

/* drag-sort answer key (shown when a placement is wrong) */
.dnd-key{margin:12px 0 0;padding:14px 16px;border:1px solid #f3c9b8;background:#fdf3ef;border-radius:12px}
.dnd-key-title{margin:0 0 8px;font-weight:700;color:#b23a2a}
.dnd-key ul{margin:0;padding-left:20px}
.dnd-key li{margin:5px 0;font-size:.92rem;line-height:1.45}

/* ============ AUTH ============ */
.btn-sm{padding:6px 12px;font-size:.86rem}
.auth-area{display:inline-flex;align-items:center;gap:10px;margin-left:8px}
.auth-user{display:inline-flex;align-items:center;gap:10px}
.auth-email{font-size:.86rem;color:#54607a;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.auth-wrap{max-width:440px;margin:48px auto;padding:0 20px}
.auth-card{background:#fff;border:1px solid #e2e8f3;border-radius:18px;padding:28px 26px;box-shadow:0 18px 40px -24px rgba(36,86,200,.35)}
.auth-title{margin:0 0 16px;font-size:1.5rem;color:#16203a}
.auth-form{display:flex;flex-direction:column;gap:14px}
.auth-form label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem;color:#16203a}
.auth-form input{padding:11px 13px;border:1px solid #cdd6e6;border-radius:10px;font:inherit;background:#fbfcfe}
.auth-form input:focus{outline:none;border-color:#2456c8;box-shadow:0 0 0 3px rgba(36,86,200,.15)}
.auth-form small{font-weight:400;color:#54607a;font-size:.8rem}
.auth-form button[type="submit"]{margin-top:4px}
.auth-links{margin:6px 0 0;font-size:.88rem;color:#54607a}
.auth-help{margin:0;color:#54607a;font-size:.92rem}
.auth-msg{margin:0 0 16px;padding:11px 14px;border-radius:10px;font-size:.9rem;font-weight:600}
.auth-msg.good{background:#e3f4ea;color:#1d7a47}
.auth-msg.warn{background:#fde8e4;color:#b23a2a}

/* Pro-module gate */
.pro-gate{text-align:center;border:1px solid #e4d3a8;background:#fbf6e9;border-radius:16px;padding:34px 24px;margin:8px 0}
.pro-gate .lock-ico{font-size:2rem;display:block;margin-bottom:6px}
.pro-gate h3{margin:0 0 6px;color:#8a6516}
.pro-gate p{margin:0 0 16px;color:#54607a}
.pro-gate .btn{margin:4px}