/* CBE Nexus AI Academy — professional enterprise learning theme */
:root{--cisco-blue:#049fd9;--deep-blue:#071d49;--navy:#0b1f3a;--ink:#172b4d;--muted:#5e6c84;--line:#dfe5ec;--bg:#f4f6f8;--white:#fff;--cyan:#00bceb;--success:#00875a;--warning:#ffab00}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg)}
.ai-nav{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:0 5%;min-height:68px;background:var(--deep-blue);color:#fff;box-shadow:0 2px 12px rgba(7,29,73,.18)}
.ai-brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.ai-brand span{display:grid;place-items:center;width:40px;height:40px;background:var(--cisco-blue);font-weight:950;letter-spacing:-1px;clip-path:polygon(0 0,100% 0,82% 100%,18% 100%)}
.ai-brand strong{font-size:1rem;letter-spacing:.01em}
.ai-nav nav{display:flex;gap:2px;flex-wrap:wrap}
.ai-nav nav a{color:#fff;text-decoration:none;padding:24px 14px;font-size:.88rem;font-weight:700;border-bottom:3px solid transparent}
.ai-nav nav a:hover,.ai-nav nav a.active{background:rgba(255,255,255,.07);border-bottom-color:var(--cisco-blue)}
main{max-width:1280px;margin:auto;padding:0 20px 70px}
.ai-hero,.course-hero,.notes-hero{position:relative;overflow:hidden;border-radius:0;background:var(--deep-blue);color:#fff;margin:0 -20px 30px;padding:64px max(6%,40px)}
.ai-hero:after,.course-hero:after,.notes-hero:after{content:"";position:absolute;right:-80px;top:-100px;width:330px;height:330px;border:65px solid rgba(4,159,217,.18);border-radius:50%}
.ai-hero{display:grid;grid-template-columns:1fr 260px;gap:40px;align-items:center}
.ai-hero h1,.course-hero h1,.notes-hero h1{font-size:clamp(2.2rem,4.5vw,4rem);line-height:1.05;margin:10px 0 18px;max-width:850px}
.ai-hero p,.course-hero p,.notes-hero p{font-size:1.06rem;line-height:1.75;max-width:820px}
.eyebrow{font-size:.72rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase;color:var(--cisco-blue)}
.ai-hero .eyebrow,.course-hero .eyebrow,.notes-hero .eyebrow{color:#8bdcff}
.hero-actions,.module-action{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.ai-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 18px;border-radius:3px;text-decoration:none;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.18s}
.ai-btn.primary{background:var(--cisco-blue);color:#fff}
.ai-btn.primary:hover{background:#008cc2;transform:translateY(-1px)}
.ai-btn.light{background:#fff;color:var(--deep-blue)}
.ai-btn.outline{background:transparent;border-color:#fff;color:#fff}
.hero-card,.course-hero-stat{position:relative;z-index:2;padding:28px;background:#fff;color:var(--ink);text-align:center;box-shadow:0 15px 40px rgba(0,0,0,.18);border-top:5px solid var(--cisco-blue)}
.hero-number,.course-hero-stat strong{display:block;font-size:4rem;line-height:1;font-weight:950;color:var(--cisco-blue)}
.hero-card span,.hero-card strong{display:block;margin-top:8px}
.ai-info-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:0 0 45px;background:#fff;border:1px solid var(--line)}
.ai-info-strip>div{padding:20px;border-right:1px solid var(--line)}
.ai-info-strip>div:last-child{border-right:0}
.ai-info-strip strong,.ai-info-strip span{display:block}.ai-info-strip span{margin-top:7px;color:var(--muted);font-size:.86rem;line-height:1.5}
.section-heading{margin:45px 0 22px}.section-heading h2,.learning-path h2{margin:6px 0;font-size:2.1rem;color:var(--deep-blue)}.section-heading p:not(.eyebrow){color:var(--muted)}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.course-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:2px;padding:24px;box-shadow:0 3px 12px rgba(7,29,73,.05);border-top:4px solid transparent;transition:.18s}
.course-card:hover{border-top-color:var(--cisco-blue);transform:translateY(-3px);box-shadow:0 12px 28px rgba(7,29,73,.10)}
.course-card h3{font-size:1.25rem;margin:10px 0;color:var(--deep-blue)}.course-card p:not(.eyebrow){color:var(--muted);line-height:1.65;min-height:78px}
.course-icon{display:grid;place-items:center;width:48px;height:48px;background:#e8f7fc;color:var(--cisco-blue);font-weight:950;border-left:4px solid var(--cisco-blue)}
.course-tags{display:flex;gap:7px;flex-wrap:wrap;margin:15px 0}.course-tags span{padding:6px 9px;background:#eef2f6;font-size:.7rem;font-weight:800;color:#334e68}
.learning-path{margin-top:55px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.steps>div{background:#fff;padding:22px}.steps b{display:block;color:var(--cisco-blue);font-size:.8rem}.steps strong,.steps span{display:block;margin-top:8px}.steps span{color:var(--muted);font-size:.88rem;line-height:1.5}
.course-hero{display:grid;grid-template-columns:1fr 190px;gap:30px;align-items:center}.course-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:20px}.course-meta span{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);padding:8px 10px;font-size:.72rem;font-weight:800}
.module-list{display:grid;gap:0;background:#fff;border:1px solid var(--line)}.module-card{background:#fff;border-bottom:1px solid var(--line);padding:26px}.module-card:last-child{border-bottom:0}.module-number{color:var(--cisco-blue);font-size:.72rem;font-weight:900;letter-spacing:.1em}.module-card h2{margin:7px 0;color:var(--deep-blue)}.module-focus{color:var(--muted);line-height:1.6}
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.level{padding:17px;text-decoration:none;color:var(--ink);border:1px solid var(--line);background:#f8fafb;border-left:4px solid var(--cisco-blue)}.level strong,.level span{display:block}.level span{margin-top:5px;color:var(--muted);font-size:.82rem}
.level.basic{border-left-color:#00875a}.level.medium{border-left-color:var(--cisco-blue)}.level.advanced{border-left-color:#6b5ce7}
.quiz-link{display:inline-flex;align-items:center;padding:10px 14px;background:#eef8fc;color:#006b8f;text-decoration:none;font-weight:800;border:1px solid #c8eaf5}
.notes-hero{margin-bottom:22px}.level-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.level-tabs a{padding:10px 15px;color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.25)}.level-tabs a.active{background:var(--cisco-blue);border-color:var(--cisco-blue)}
.notes-paper{margin:18px 0;background:#fff;border:1px solid var(--line);padding:34px;box-shadow:0 3px 12px rgba(7,29,73,.05)}
.notes-paper h2{font-size:1.65rem;color:var(--deep-blue)}.notes-paper p,.notes-paper li{line-height:1.8}.notes-badge{display:inline-block;padding:7px 10px;background:#eef2f6;font-weight:900;font-size:.72rem}
.practice-box{margin-top:22px;padding:20px;border-left:4px solid var(--cisco-blue);background:#eef8fc}.notes-content section{margin:0 0 30px;padding-bottom:24px;border-bottom:1px solid #edf0f4}.notes-content section:last-child{border-bottom:0}.notes-content h2{font-size:1.12rem;color:#006b8f;margin:0 0 10px}.notes-content p{white-space:pre-line;line-height:1.85;font-size:1rem;color:#26364f}
.module-quiz{background:#fff;border:1px solid var(--line);padding:28px;margin-top:22px;box-shadow:0 3px 12px rgba(7,29,73,.05)}.quiz-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.quiz-score{display:grid;place-items:center;min-width:72px;height:72px;border-radius:50%;background:var(--deep-blue);color:#fff;font-weight:900}.module-quiz fieldset{margin:18px 0;padding:16px;border:1px solid var(--line)}.module-quiz legend{font-weight:800;padding:0 5px;line-height:1.5}.module-quiz label{display:block;margin:10px 0;line-height:1.5}.quiz-result{font-weight:800;margin-top:14px}.quiz-result.pass{color:var(--success)}.quiz-result.retry{color:#c23030}.notes-nav{display:flex;justify-content:space-between;gap:12px;margin-top:20px}.empty-note{padding:60px 20px;text-align:center}
.learning-sidebar{background:var(--deep-blue);color:#fff;padding:22px;position:sticky;top:90px;height:max-content}.learning-sidebar h3{margin-top:0}.learning-sidebar a{display:block;color:#dcefff;text-decoration:none;padding:9px 10px;border-left:3px solid transparent}.learning-sidebar a:hover,.learning-sidebar a.active{background:rgba(255,255,255,.08);border-left-color:var(--cisco-blue)}
.example-card{background:#f7f9fb;border-left:4px solid var(--cisco-blue);padding:15px;margin:10px 0;line-height:1.7}
@media(max-width:900px){.course-grid{grid-template-columns:repeat(2,1fr)}.ai-info-strip,.steps{grid-template-columns:repeat(2,1fr)}.ai-hero,.course-hero{grid-template-columns:1fr}.level-grid{grid-template-columns:1fr}}
@media(max-width:600px){.ai-nav{align-items:flex-start;flex-direction:column;padding:10px 18px}.ai-nav nav a{padding:10px}.course-grid,.ai-info-strip,.steps{grid-template-columns:1fr}.ai-hero,.course-hero,.notes-hero{margin-left:-20px;margin-right:-20px;padding:40px 24px}.ai-info-strip>div{border-right:0;border-bottom:1px solid var(--line)}.notes-nav{flex-direction:column}.notes-nav>*{width:100%}.notes-content p{font-size:.94rem;line-height:1.75}}


/* CBE Nexus AI Academy — mobile-only refinement */
@media (max-width: 767px) {
  html, body { max-width:100%; overflow-x:hidden; }
  .ai-nav {
    min-height:auto;
    padding:10px 14px;
    gap:9px;
    align-items:stretch;
  }
  .ai-brand { min-width:0; }
  .ai-brand strong { font-size:.92rem; overflow-wrap:anywhere; }
  .ai-nav nav {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:6px;
    width:100%;
  }
  .ai-nav nav a {
    min-height:44px;
    padding:10px 7px;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    font-size:.76rem;
    line-height:1.2;
  }
  main { width:100%; max-width:100%; padding:0 12px 42px; }
  .ai-hero,.course-hero,.notes-hero {
    margin-left:-12px;
    margin-right:-12px;
    padding:34px 18px;
    border-radius:0;
    grid-template-columns:1fr;
  }
  .ai-hero h1,.course-hero h1,.notes-hero h1 {
    font-size:clamp(2rem,10vw,2.8rem);
    line-height:1.05;
  }
  .ai-hero p,.course-hero p,.notes-hero p {
    font-size:.96rem;
    line-height:1.65;
  }
  .hero-actions,.module-action {
    display:grid;
    grid-template-columns:1fr;
    gap:8px;
  }
  .ai-btn,.quiz-link {
    width:100%;
    min-height:48px;
    justify-content:center;
  }
  .hero-card,.course-hero-stat { padding:20px; }
  .hero-number,.course-hero-stat strong { font-size:3rem; }
  .ai-info-strip { grid-template-columns:1fr; margin-bottom:28px; }
  .ai-info-strip>div { border-right:0; border-bottom:1px solid var(--line); }
  .course-grid,.steps,.level-grid { grid-template-columns:1fr; }
  .course-card { padding:18px; }
  .course-card p:not(.eyebrow) { min-height:0; }
  .notes-paper,.module-quiz { padding:18px; }
  .notes-nav { display:grid; grid-template-columns:1fr; }
  .notes-nav > * { width:100%; min-height:48px; }
  .quiz-head { align-items:flex-start; }
  .quiz-score { flex:0 0 62px; min-width:62px; width:62px; height:62px; }
  .module-quiz label { min-height:44px; display:flex; align-items:center; gap:8px; }
  .learning-sidebar { position:static; }
}

/* Professional final assessment layout */
.assessment-hero{grid-template-columns:1fr 190px;align-items:center}
.assessment-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.assessment-meta span{padding:8px 12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);font-size:.75rem;font-weight:800}
.assessment-stat{position:relative;z-index:2;background:#fff;color:var(--ink);text-align:center;padding:24px;border-top:5px solid var(--cisco-blue);box-shadow:0 15px 40px rgba(0,0,0,.18)}.assessment-stat strong{display:block;font-size:4rem;line-height:1;color:var(--cisco-blue)}.assessment-stat span,.assessment-stat small{display:block;margin-top:7px}.assessment-stat small{color:var(--muted)}
.assessment-section-head{display:flex;justify-content:space-between;gap:24px;align-items:center;padding-bottom:22px;border-bottom:1px solid var(--line)}.assessment-section-head h2{margin:5px 0;color:var(--deep-blue)}.assessment-section-head p:not(.eyebrow){color:var(--muted);margin-bottom:0}
.assessment-progress{min-width:100px;text-align:center;border:1px solid var(--line);padding:12px;background:#f8fafb}.assessment-progress span,.assessment-progress small{display:block}.assessment-progress span{font-weight:950;color:var(--cisco-blue);font-size:1.1rem}.assessment-progress small{color:var(--muted);margin-top:3px}
.assessment-instruction{display:flex;gap:12px;align-items:center;margin:20px 0;padding:13px 15px;background:#eef8fc;border-left:4px solid var(--cisco-blue);color:#334e68}.assessment-instruction span{color:var(--muted)}
.final-assessment-form{display:grid;gap:14px}.assessment-question{margin:0;padding:20px;border:1px solid var(--line);background:#fff}.assessment-question:hover{border-color:#b9ddec;box-shadow:0 4px 16px rgba(7,29,73,.05)}
.assessment-question legend{width:100%;display:grid;grid-template-columns:48px 1fr;gap:4px 12px;padding:0}.question-number{grid-row:1 / span 2;display:grid;place-items:center;width:40px;height:40px;background:var(--deep-blue);color:#fff;font-weight:900}.question-module{font-size:.68rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--cisco-blue)}.question-text{font-weight:800;line-height:1.55;color:var(--deep-blue)}
.answer-options{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:16px 0 0 60px}.answer-option{display:flex!important;align-items:flex-start;gap:10px;margin:0!important;padding:12px;border:1px solid var(--line);background:#fafbfc;cursor:pointer;line-height:1.45!important;min-height:52px}.answer-option:hover{border-color:var(--cisco-blue);background:#f2fbfe}.answer-option input{margin-top:3px;accent-color:var(--cisco-blue)}.option-letter{font-weight:900;color:var(--cisco-blue);min-width:18px}
.assessment-submit{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.assessment-submit .ai-btn{min-width:220px}
.project-box{margin-top:28px}.project-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:22px 0}.project-steps>div{background:#f8fafb;padding:16px}.project-steps b{display:block;color:var(--cisco-blue);font-size:.75rem}.project-steps span{display:block;margin-top:7px;color:var(--muted);font-size:.84rem;line-height:1.5}
.project-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.project-form-grid label{display:block}.project-form-grid strong{display:block;margin-bottom:7px;color:var(--deep-blue)}.final-input{width:100%;padding:12px;border:1px solid #ccd6e2;border-radius:4px;font:inherit;resize:vertical}.final-input:focus{outline:2px solid rgba(4,159,217,.18);border-color:var(--cisco-blue)}.project-check{display:flex;gap:9px;align-items:flex-start;margin:18px 0;line-height:1.5;color:var(--muted)}.project-check input{margin-top:4px}.assessment-empty{max-width:850px;margin:50px auto}
@media(max-width:900px){.assessment-hero{grid-template-columns:1fr}.answer-options{grid-template-columns:1fr}.project-steps{grid-template-columns:1fr 1fr}.project-form-grid{grid-template-columns:1fr}}
@media(max-width:600px){.assessment-section-head{align-items:flex-start;flex-direction:column}.assessment-progress{width:100%}.assessment-question{padding:16px}.assessment-question legend{grid-template-columns:40px 1fr}.question-number{width:34px;height:34px}.answer-options{margin-left:0}.project-steps{grid-template-columns:1fr}.assessment-meta span{flex:1 1 calc(50% - 8px);text-align:center}.assessment-stat{padding:18px}}

/* Final assessment: normal reading layout and sentence case */
.final-assessment-form{display:block}
.assessment-question{display:block;width:100%;margin:0 0 16px;padding:20px;text-align:left}
.assessment-question legend{display:block;width:100%;padding:0}
.question-number{display:inline-grid;vertical-align:middle;margin-right:10px}
.question-module{display:inline;font-size:.78rem;letter-spacing:0;text-transform:none;font-weight:700}
.question-text{display:block;margin-top:9px;font-weight:700;line-height:1.6;text-transform:none}
.answer-options{display:block;margin:16px 0 0}
.answer-option{display:flex!important;width:100%;margin:8px 0!important;min-height:0;padding:12px 14px;text-align:left;align-items:flex-start}
.answer-option span:last-child{text-transform:none;line-height:1.55}
.assessment-instruction{align-items:flex-start}
.assessment-instruction strong,.assessment-instruction span{text-transform:none}
.assessment-meta span{text-transform:none}
.assessment-section-head h2,.assessment-section-head p{ text-transform:none }