@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;1,400&family=DM+Sans:wght@300;400;500&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --sage:#4a6741;--sage-light:#7a9e70;--sage-pale:#e8f0e6;
  --cream:#f7f4ef;--warm-white:#fdfcfa;--charcoal:#2a2a2a;
  --mid:#5a5a5a;--muted:#8a8a8a;--border:#ddd8d0;
  --gold:#b8932a;--gold-pale:#f5edda;
}
html{scroll-behavior:smooth;}
body{font-family:'DM Sans',sans-serif;background:var(--warm-white);color:var(--charcoal);font-weight:300;line-height:1.7;min-height:100vh;}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:1rem 3rem;background:rgba(253,252,250,0.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:'Playfair Display',serif;font-size:15px;color:var(--charcoal);text-decoration:none;}
.nav-logo svg{flex-shrink:0;}
.nav-logo span{color:var(--sage);}
.nav-right{display:flex;align-items:center;gap:1rem;}
.nav-user{font-size:13px;color:var(--mid);}
.nav-link{font-size:13px;color:var(--mid);text-decoration:none;padding:6px 14px;border-radius:6px;transition:all 0.2s;}
.nav-link:hover,.nav-link.active{color:var(--sage);background:var(--sage-pale);}
.nav-btn-ghost{font-size:13px;color:var(--muted);background:none;border:none;cursor:pointer;font-family:'DM Sans',sans-serif;padding:6px 14px;border-radius:6px;transition:all 0.2s;}
.nav-btn-ghost:hover{color:var(--charcoal);background:var(--cream);}
.nav-cta{font-size:13px;font-weight:500;color:white;background:var(--sage);padding:8px 18px;border-radius:999px;text-decoration:none;transition:background 0.2s;}
.nav-cta:hover{background:#3a5432;}

/* PAGE WRAPPER */
.page-wrap{padding-top:72px;min-height:100vh;}

/* AUTH */
.auth-container{min-height:calc(100vh - 72px);display:flex;align-items:center;justify-content:center;padding:2rem;background:var(--cream);}
.auth-card{background:var(--warm-white);border:1px solid var(--border);border-radius:16px;padding:3rem;width:100%;max-width:420px;}
.auth-card h2{font-family:'Playfair Display',serif;font-size:28px;font-weight:400;margin-bottom:0.5rem;}
.auth-card p{font-size:14px;color:var(--mid);margin-bottom:2rem;line-height:1.6;}
.form-group{margin-bottom:1.25rem;}
.form-group label{display:block;font-size:11px;font-weight:500;color:var(--mid);margin-bottom:0.4rem;letter-spacing:0.06em;text-transform:uppercase;}
.form-group input,.form-group select{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:8px;font-family:'DM Sans',sans-serif;font-size:15px;font-weight:300;background:var(--warm-white);color:var(--charcoal);outline:none;transition:border-color 0.2s;}
.form-group input:focus,.form-group select:focus{border-color:var(--sage-light);}
.btn-primary{width:100%;padding:14px;background:var(--sage);color:white;border:none;border-radius:8px;font-family:'DM Sans',sans-serif;font-size:15px;font-weight:500;cursor:pointer;transition:background 0.2s;margin-top:0.5rem;}
.btn-primary:hover{background:#3a5432;}
.btn-secondary{padding:12px 24px;background:transparent;color:var(--sage);border:1px solid var(--sage);border-radius:8px;font-family:'DM Sans',sans-serif;font-size:14px;font-weight:500;cursor:pointer;transition:all 0.2s;text-decoration:none;display:inline-flex;align-items:center;gap:6px;}
.btn-secondary:hover{background:var(--sage-pale);}
.auth-switch{text-align:center;margin-top:1.5rem;font-size:13px;color:var(--mid);}
.auth-switch a{color:var(--sage);cursor:pointer;text-decoration:none;}
.auth-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:1rem;display:none;}
.auth-success{background:var(--sage-pale);border:1px solid #c4d9c0;color:var(--sage);padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:1rem;display:none;}

/* DASHBOARD */
.dashboard{max-width:900px;margin:0 auto;padding:3rem 2rem;}
.dash-header{margin-bottom:3rem;}
.dash-header h1{font-family:'Playfair Display',serif;font-size:36px;font-weight:400;margin-bottom:0.25rem;}
.dash-header p{font-size:14px;color:var(--mid);}
.progress-wrap{margin-top:1rem;display:flex;align-items:center;gap:1rem;}
.progress-bar-outer{flex:1;background:var(--sage-pale);border-radius:999px;height:6px;max-width:240px;}
.progress-bar-inner{background:var(--sage);border-radius:999px;height:6px;transition:width 0.6s ease;}
.progress-label{font-size:12px;color:var(--muted);}
.module-list{display:flex;flex-direction:column;gap:10px;}
.module-item{display:flex;align-items:center;gap:1.5rem;padding:1.5rem 2rem;background:var(--warm-white);border:1px solid var(--border);border-radius:12px;cursor:pointer;transition:all 0.2s;text-decoration:none;color:inherit;}
.module-item:hover:not(.locked){border-color:var(--sage-light);background:var(--sage-pale);}
.module-item.completed{border-color:#c4d9c0;}
.module-item.locked{opacity:0.45;cursor:not-allowed;}
.module-item.current{border-color:var(--sage);background:#f5f9f4;}
.mod-num{font-family:'Playfair Display',serif;font-size:22px;color:#c4d9c0;font-weight:400;min-width:36px;}
.mod-info{flex:1;}
.mod-title{font-size:15px;font-weight:500;color:var(--charcoal);margin-bottom:0.2rem;}
.mod-sub{font-size:12px;color:var(--muted);}
.mod-badge{font-size:11px;font-weight:500;padding:4px 12px;border-radius:999px;white-space:nowrap;}
.mod-badge.done{background:var(--sage-pale);color:var(--sage);border:1px solid #c4d9c0;}
.mod-badge.current{background:var(--gold-pale);color:var(--gold);border:1px solid #ddc98a;}
.mod-badge.locked{background:var(--cream);color:var(--muted);border:1px solid var(--border);}
.cert-banner{margin-top:2rem;background:var(--sage);border-radius:12px;padding:2rem;text-align:center;color:white;}
.cert-banner h3{font-family:'Playfair Display',serif;font-size:24px;font-weight:400;margin-bottom:0.5rem;}
.cert-banner p{font-size:14px;opacity:0.85;margin-bottom:1.5rem;}
.cert-banner a{background:white;color:var(--sage);padding:12px 28px;border-radius:8px;font-weight:500;text-decoration:none;font-size:14px;}

/* MODULE PAGE */
.module-page{max-width:780px;margin:0 auto;padding:3rem 2rem 6rem;}
.module-back{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--sage);text-decoration:none;margin-bottom:2rem;transition:gap 0.2s;}
.module-back:hover{gap:10px;}
.module-eyebrow{font-size:11px;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;color:var(--sage);margin-bottom:0.75rem;}
.module-page h1{font-family:'Playfair Display',serif;font-size:clamp(28px,5vw,44px);font-weight:400;line-height:1.2;color:var(--charcoal);margin-bottom:2.5rem;padding-bottom:2rem;border-bottom:1px solid var(--border);}
.module-body{font-size:16px;color:var(--mid);line-height:1.9;}
.module-body h2{font-family:'Playfair Display',serif;font-size:26px;font-weight:400;color:var(--charcoal);margin:3rem 0 1rem;padding-top:1rem;}
.module-body h3{font-size:17px;font-weight:500;color:var(--charcoal);margin:2rem 0 0.75rem;}
.module-body h4{font-size:15px;font-weight:500;color:var(--charcoal);margin:1.5rem 0 0.5rem;}
.module-body p{margin-bottom:1.25rem;}
.module-body strong{font-weight:500;color:var(--charcoal);}
.module-body em{font-style:italic;}
.module-body ul,.module-body ol{margin:0.75rem 0 1.25rem 1.5rem;}
.module-body li{margin-bottom:0.5rem;}
.module-body blockquote{border-left:3px solid var(--sage-light);padding:1rem 1.5rem;margin:1.5rem 0;background:var(--sage-pale);border-radius:0 8px 8px 0;font-style:italic;color:var(--mid);}
.example-box{background:var(--cream);border:1px solid var(--border);border-radius:12px;padding:1.75rem;margin:2rem 0;}
.example-box .example-label{font-size:11px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:var(--sage);margin-bottom:0.75rem;display:block;}
.key-point{background:var(--sage-pale);border-left:3px solid var(--sage);padding:1rem 1.5rem;margin:1.5rem 0;border-radius:0 8px 8px 0;}
.module-nav-bar{position:fixed;bottom:0;left:0;right:0;background:rgba(253,252,250,0.96);backdrop-filter:blur(10px);border-top:1px solid var(--border);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;z-index:100;}
.module-nav-bar .nav-progress{font-size:12px;color:var(--muted);}

/* QUIZ PAGE */
.quiz-page{max-width:780px;margin:0 auto;padding:3rem 2rem 6rem;}
.quiz-header{margin-bottom:3rem;padding-bottom:2rem;border-bottom:1px solid var(--border);}
.quiz-header h1{font-family:'Playfair Display',serif;font-size:clamp(26px,4vw,38px);font-weight:400;color:var(--charcoal);margin-bottom:0.5rem;}
.quiz-header p{font-size:14px;color:var(--mid);}
.quiz-header .quiz-rule{margin-top:1rem;background:var(--gold-pale);border:1px solid #ddc98a;border-radius:8px;padding:10px 14px;font-size:13px;color:var(--gold);font-weight:500;}
.question-block{margin-bottom:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid var(--border);}
.question-block:last-of-type{border-bottom:none;}
.question-num{font-size:11px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);margin-bottom:0.5rem;}
.question-text{font-size:16px;font-weight:500;color:var(--charcoal);line-height:1.5;margin-bottom:1.25rem;}
.option{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;border:1px solid var(--border);border-radius:10px;margin-bottom:8px;cursor:pointer;transition:all 0.15s;font-size:14px;color:var(--mid);line-height:1.5;}
.option:hover{border-color:var(--sage-light);background:var(--sage-pale);color:var(--charcoal);}
.option.selected{border-color:var(--sage);background:var(--sage-pale);color:var(--charcoal);}
.option.correct{border-color:#4a6741;background:#e8f0e6;color:#2a3d27;}
.option.incorrect{border-color:#dc2626;background:#fef2f2;color:#991b1b;}
.option input[type="radio"]{margin-top:2px;flex-shrink:0;accent-color:var(--sage);width:16px;height:16px;}
.quiz-submit-bar{position:fixed;bottom:0;left:0;right:0;background:rgba(253,252,250,0.96);backdrop-filter:blur(10px);border-top:1px solid var(--border);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;z-index:100;}
.quiz-score{font-size:13px;color:var(--muted);}
.quiz-result-banner{border-radius:12px;padding:2rem;margin:2rem 0;text-align:center;}
.quiz-result-banner.pass{background:var(--sage-pale);border:1px solid #c4d9c0;}
.quiz-result-banner.fail{background:#fef2f2;border:1px solid #fecaca;}
.quiz-result-banner h2{font-family:'Playfair Display',serif;font-size:28px;font-weight:400;margin-bottom:0.5rem;}
.quiz-result-banner.pass h2{color:var(--sage);}
.quiz-result-banner.fail h2{color:#dc2626;}
.quiz-result-banner p{font-size:14px;color:var(--mid);margin-bottom:1.5rem;}
.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;}

/* CERTIFICATE */
.cert-page{max-width:760px;margin:0 auto;padding:4rem 2rem;}
.cert-box{background:var(--warm-white);border:2px solid var(--sage);border-radius:16px;padding:4rem;text-align:center;position:relative;}
.cert-box::before{content:'';position:absolute;inset:10px;border:1px solid #c4d9c0;border-radius:10px;pointer-events:none;}
.cert-org{font-size:11px;font-weight:500;letter-spacing:0.15em;text-transform:uppercase;color:var(--sage);margin-bottom:2rem;}
.cert-presents{font-size:13px;font-weight:400;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem;}
.cert-name{font-family:'Playfair Display',serif;font-size:52px;font-weight:400;color:var(--charcoal);margin-bottom:0.5rem;line-height:1.1;}
.cert-program{font-family:'Playfair Display',serif;font-size:20px;font-style:italic;color:var(--sage);margin-bottom:2rem;}
.cert-desc{font-size:14px;color:var(--mid);max-width:420px;margin:0 auto 2.5rem;line-height:1.7;}
.cert-divider{height:1px;background:var(--border);margin:2rem 0;}
.cert-sig{font-family:'Playfair Display',serif;font-size:28px;color:var(--charcoal);margin-bottom:0.25rem;}
.cert-sig-label{font-size:11px;color:var(--muted);letter-spacing:0.1em;text-transform:uppercase;}
.cert-date{font-size:12px;color:var(--muted);margin-top:1.5rem;}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:2rem 3rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;}
.footer-logo{font-family:'Playfair Display',serif;font-size:14px;color:var(--charcoal);}
.footer-logo span{color:var(--sage);}
.footer-note{font-size:12px;color:var(--muted);}

@keyframes fadeUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}
.fade-in{animation:fadeUp 0.6s ease forwards;}

@media(max-width:600px){
  nav{padding:1rem 1.25rem;}
  .nav-logo span{display:none;}
  .dashboard,.module-page,.quiz-page,.cert-page{padding-left:1.25rem;padding-right:1.25rem;}
  .module-item{padding:1.25rem;}
  .cert-name{font-size:36px;}
  .cert-box{padding:2.5rem 1.5rem;}
}
@media print{
  nav,footer,.cert-date-bar{display:none;}
  .cert-page{padding:0;}
  .cert-box{border:2px solid var(--sage);}
}