/* ================================================================
   RIESGO CERO - PLATAFORMA DE CURSOS ONLINE
   Dark theme, self-contained
   ================================================================ */

*{margin:0;padding:0;box-sizing:border-box}

:root{
  --dark:#0B1420;
  --dark2:#121E2E;
  --dark3:#1a2738;
  --orange:#1A7A5C;
  --orange2:#2BA67A;
  --orange-pale:#D4EDE4;
  --green-pale:#D4EDE4;
  --green-dark:#14614A;
  --light:#F3F6F8;
  --mid:#E8ECF0;
  --white:#FFFFFF;
  --border:rgba(255,255,255,.08);
  --border-light:rgba(255,255,255,.12);
  --text:#e8e8e8;
  --text-muted:rgba(255,255,255,.5);
  --accent:#2563EB;
  --accent2:#3B82F6;
  --success:#22C55E;
  --success-pale:rgba(34,197,94,.12);
  --danger:#EF4444;
  --danger-pale:rgba(239,68,68,.12);
  --warning:#F59E0B;
  --warning-pale:rgba(245,158,11,.12);
  --shadow-sm:0 1px 3px rgba(0,0,0,.2);
  --shadow-md:0 4px 20px rgba(0,0,0,.3);
  --shadow-lg:0 8px 40px rgba(0,0,0,.4);
  --radius:12px;
  --radius-sm:8px;
}

html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;color:var(--text);background:var(--dark);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;min-height:100vh}
.serif{font-family:'Playfair Display',serif}
a{color:var(--accent2);text-decoration:none;transition:color .2s}
a:hover{color:var(--orange2)}

/* ── LAYOUT ───────────────────────────────────────────── */
.c-container{max-width:1060px;margin:0 auto;padding:0 24px}
.c-section{padding:64px 0}
.c-section-sm{padding:40px 0}

/* ── TYPOGRAPHY ───────────────────────────────────────── */
.c-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--orange2);margin-bottom:12px;display:block}
.c-title{font-family:'Playfair Display',serif;font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.15;margin-bottom:16px;color:var(--white)}
.c-title em{font-style:normal;color:var(--orange2)}
.c-subtitle{font-size:17px;color:var(--text-muted);max-width:600px;margin-bottom:40px;font-weight:300;line-height:1.8}

/* ── NAV ──────────────────────────────────────────────── */
.c-nav{background:rgba(11,20,32,.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.c-nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.c-logo-mark{display:flex;align-items:center;gap:11px;text-decoration:none}
.c-logo-icon{width:36px;height:36px;background:var(--orange);border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .2s}
.c-logo-mark:hover .c-logo-icon{transform:scale(1.05)}
.c-logo-icon svg{width:18px;height:18px;fill:var(--white)}
.c-logo-name{font-family:'Playfair Display',serif;font-size:16px;font-weight:700;color:var(--white);display:block;line-height:1.2}
.c-logo-name em{font-style:normal;color:var(--orange2)}
.c-logo-sub{display:block;font-size:9px;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase;margin-top:1px}
.c-nav-menu{display:flex;align-items:center;gap:4px}
.c-nav-links{display:flex;gap:2px;list-style:none;align-items:center}
.c-nav-links a{font-size:13px;color:var(--text-muted);text-decoration:none;font-weight:500;padding:8px 14px;border-radius:6px;transition:all .2s;white-space:nowrap}
.c-nav-links a:hover{color:var(--white);background:rgba(255,255,255,.05)}
.c-nav-links a.active{color:var(--orange2);font-weight:600}
.c-nav-toggle{display:none;background:none;border:1px solid var(--border-light);border-radius:6px;width:40px;height:40px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0}
.c-nav-toggle span{display:block;width:18px;height:2px;background:var(--white);border-radius:1px;transition:all .3s}

/* ── HERO ─────────────────────────────────────────────── */
.c-hero{background:var(--dark);padding:80px 0 64px;position:relative;overflow:hidden}
.c-hero::before{content:'';position:absolute;top:-150px;right:-250px;width:800px;height:800px;background:radial-gradient(ellipse at center,rgba(26,122,92,.08) 0%,transparent 65%);pointer-events:none}
.c-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--orange),var(--accent),var(--orange),transparent)}
.c-hero .c-subtitle{max-width:640px}

/* ── PROGRESS BAR (3 steps) ───────────────────────────── */
.c-progress{background:var(--dark2);border-bottom:1px solid var(--border);padding:16px 0;position:sticky;top:64px;z-index:90}
.c-progress-inner{display:flex;align-items:center;justify-content:center;gap:0;max-width:520px;margin:0 auto}
.c-progress-step{display:flex;align-items:center;gap:10px;padding:0 4px}
.c-progress-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;transition:all .3s;border:2px solid var(--border-light);color:var(--text-muted);background:transparent}
.c-progress-step.active .c-progress-num{border-color:var(--accent);color:var(--white);background:var(--accent);box-shadow:0 0 16px rgba(37,99,235,.35)}
.c-progress-step.done .c-progress-num{border-color:var(--success);color:var(--white);background:var(--success)}
.c-progress-text{font-size:12px;font-weight:500;color:var(--text-muted);white-space:nowrap;transition:color .3s}
.c-progress-step.active .c-progress-text{color:var(--white);font-weight:600}
.c-progress-step.done .c-progress-text{color:var(--success)}
.c-progress-line{flex:1;height:2px;background:var(--border-light);margin:0 8px;min-width:32px;position:relative;overflow:hidden}
.c-progress-line.done{background:var(--success)}
.c-progress-line.done::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--success),var(--success));animation:progressFill .6s ease forwards}

/* ── COURSE CARDS ─────────────────────────────────────── */
.c-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:32px}
.c-card{background:var(--dark2);border:1px solid var(--border);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:12px;position:relative;transition:all .3s;overflow:hidden;cursor:pointer;text-decoration:none;color:var(--text)}
.c-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--orange),var(--orange2));border-radius:var(--radius) var(--radius) 0 0;transition:height .3s}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-light)}
.c-card:hover::before{height:4px}
.c-card.novedad{border-color:var(--orange);background:linear-gradient(135deg,var(--dark2),rgba(26,122,92,.08))}
.c-card.novedad::before{background:linear-gradient(90deg,var(--warning),var(--orange2))}
.c-card-icon{width:44px;height:44px;background:rgba(26,122,92,.12);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.c-card-icon svg{width:22px;height:22px;fill:var(--orange2)}
.c-card-num{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--orange2)}
.c-card-title{font-family:'Playfair Display',serif;font-size:18px;font-weight:700;color:var(--white);line-height:1.3}
.c-card-desc{font-size:13px;color:var(--text-muted);line-height:1.7;flex:1}
.c-card-meta{display:flex;gap:6px;flex-wrap:wrap}
.c-tag{font-size:10px;background:rgba(26,122,92,.15);color:var(--orange2);padding:4px 10px;border-radius:20px;font-weight:600;letter-spacing:.02em}
.c-tag.dark{background:rgba(255,255,255,.06);color:var(--text-muted)}
.c-tag.warn{background:var(--warning-pale);color:var(--warning)}
.c-card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border);margin-top:auto}
.c-card-price{font-family:'Playfair Display',serif;font-size:22px;font-weight:700;color:var(--white)}
.c-card-price small{font-family:'DM Sans',sans-serif;font-size:12px;font-weight:400;color:var(--text-muted);margin-left:2px}
.c-card-cta{font-size:12px;font-weight:600;color:var(--accent2);display:flex;align-items:center;gap:4px;transition:gap .2s}
.c-card:hover .c-card-cta{gap:8px}
.c-card-cta svg{width:14px;height:14px;fill:currentColor}

/* ── COURSE DETAIL ────────────────────────────────────── */
.c-course-hero{padding:48px 0 32px}
.c-breadcrumb{font-size:12px;color:var(--text-muted);margin-bottom:20px;display:flex;align-items:center;gap:6px}
.c-breadcrumb a{color:var(--text-muted);font-weight:500}
.c-breadcrumb a:hover{color:var(--orange2)}
.c-breadcrumb svg{width:12px;height:12px;fill:var(--text-muted)}
.c-course-info{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.c-course-detail-grid{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}

/* ── ACCORDION (temario) ──────────────────────────────── */
.c-accordion{display:flex;flex-direction:column;gap:8px}
.c-accordion-item{background:var(--dark2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .2s}
.c-accordion-item:hover{border-color:var(--border-light)}
.c-accordion-item.open{border-color:rgba(26,122,92,.3)}
.c-accordion-head{padding:18px 22px;cursor:pointer;display:flex;align-items:center;gap:14px;user-select:none;transition:background .2s}
.c-accordion-head:hover{background:rgba(255,255,255,.02)}
.c-accordion-num{width:28px;height:28px;background:rgba(26,122,92,.15);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--orange2);flex-shrink:0}
.c-accordion-item.open .c-accordion-num{background:var(--orange);color:var(--white)}
.c-accordion-title{font-size:14px;font-weight:600;color:var(--white);flex:1}
.c-accordion-arrow{width:20px;height:20px;fill:var(--text-muted);flex-shrink:0;transition:transform .3s}
.c-accordion-item.open .c-accordion-arrow{transform:rotate(180deg);fill:var(--orange2)}
.c-accordion-body{padding:0 22px 20px 64px;font-size:14px;color:var(--text-muted);line-height:1.8;display:none}
.c-accordion-item.open .c-accordion-body{display:block;animation:fadeDown .3s ease}
.c-accordion-body ul{margin:8px 0 8px 16px;list-style:disc}
.c-accordion-body li{margin-bottom:4px}

/* ── SIDEBAR CARD ─────────────────────────────────────── */
.c-sidebar{position:sticky;top:140px}
.c-sidebar-card{background:var(--dark2);border:1px solid var(--border);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:16px}
.c-sidebar-card h3{font-family:'Playfair Display',serif;font-size:20px;font-weight:700;color:var(--white)}
.c-sidebar-card p{font-size:13px;color:var(--text-muted);line-height:1.7}
.c-sidebar-price{font-family:'Playfair Display',serif;font-size:36px;font-weight:700;color:var(--white);line-height:1}
.c-sidebar-price small{font-family:'DM Sans',sans-serif;font-size:14px;font-weight:400;color:var(--text-muted)}
.c-sidebar-features{display:flex;flex-direction:column;gap:10px}
.c-sidebar-feat{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted)}
.c-sidebar-feat svg{width:16px;height:16px;fill:var(--orange2);flex-shrink:0}

/* ── BUTTONS ──────────────────────────────────────────── */
.c-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;border:none;font-family:'DM Sans',sans-serif;text-decoration:none;transition:all .25s;white-space:nowrap}
.c-btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(37,99,235,.3)}
.c-btn-primary:hover{background:var(--accent2);color:#fff;transform:translateY(-1px);box-shadow:0 6px 20px rgba(37,99,235,.4)}
.c-btn-success{background:var(--success);color:#fff;box-shadow:0 2px 8px rgba(34,197,94,.3)}
.c-btn-success:hover{background:#16A34A;color:#fff;transform:translateY(-1px)}
.c-btn-outline{color:var(--text);padding:14px 28px;border:1px solid var(--border-light);background:transparent}
.c-btn-outline:hover{border-color:var(--text-muted);background:rgba(255,255,255,.04);color:var(--white)}
.c-btn-lg{padding:16px 36px;font-size:15px;border-radius:var(--radius)}
.c-btn-block{width:100%;text-align:center}
.c-btn svg{width:16px;height:16px;fill:currentColor}

/* ── FORMS ────────────────────────────────────────────── */
.c-form{display:flex;flex-direction:column;gap:14px}
.c-form-group{display:flex;flex-direction:column;gap:5px}
.c-form-group label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}
.c-form-group input,.c-form-group select,.c-form-group textarea{background:var(--dark3);border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:13px 16px;font-size:14px;color:var(--white);font-family:'DM Sans',sans-serif;outline:none;width:100%;transition:all .25s}
.c-form-group input::placeholder{color:rgba(255,255,255,.25)}
.c-form-group input:focus,.c-form-group select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(26,122,92,.15)}
.c-form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ── EXAM UI ──────────────────────────────────────────── */
.c-exam{max-width:680px;margin:0 auto;padding:40px 0 80px}
.c-exam-pre{text-align:center;padding:40px 0}
.c-exam-pre h2{font-family:'Playfair Display',serif;font-size:28px;color:var(--white);margin-bottom:12px}
.c-exam-pre p{color:var(--text-muted);margin-bottom:32px;font-size:15px}

.c-exam-header{text-align:center;margin-bottom:32px}
.c-exam-counter{font-size:13px;color:var(--text-muted);font-weight:500;margin-bottom:8px}
.c-exam-dots{display:flex;justify-content:center;gap:6px;margin-bottom:24px}
.c-exam-dot{width:8px;height:8px;border-radius:50%;background:var(--border-light);transition:all .3s}
.c-exam-dot.done{background:var(--success)}
.c-exam-dot.active{background:var(--accent);transform:scale(1.3);box-shadow:0 0 8px rgba(37,99,235,.4)}
.c-exam-dot.wrong{background:var(--danger)}

.c-question-card{background:var(--dark2);border:1px solid var(--border);border-radius:var(--radius);padding:36px 32px;transition:all .4s cubic-bezier(.4,0,.2,1);opacity:1;transform:translateX(0)}
.c-question-card.exiting{opacity:0;transform:translateX(-60px)}
.c-question-card.entering{opacity:0;transform:translateX(60px)}
.c-question-text{font-size:18px;font-weight:500;color:var(--white);line-height:1.6;margin-bottom:28px;text-align:center}

.c-options{display:flex;flex-direction:column;gap:10px}
.c-option{background:var(--dark3);border:2px solid var(--border-light);border-radius:var(--radius);padding:16px 20px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:14px;user-select:none}
.c-option:hover{border-color:var(--accent);background:rgba(37,99,235,.06)}
.c-option-letter{width:32px;height:32px;border-radius:50%;border:2px solid var(--border-light);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--text-muted);flex-shrink:0;transition:all .2s}
.c-option:hover .c-option-letter{border-color:var(--accent);color:var(--accent)}
.c-option-text{font-size:15px;color:var(--text);line-height:1.5}
.c-option.selected{border-color:var(--accent);background:rgba(37,99,235,.1)}
.c-option.selected .c-option-letter{background:var(--accent);border-color:var(--accent);color:var(--white)}
.c-option.correct{border-color:var(--success);background:var(--success-pale)}
.c-option.correct .c-option-letter{background:var(--success);border-color:var(--success);color:var(--white)}
.c-option.wrong{border-color:var(--danger);background:var(--danger-pale)}
.c-option.wrong .c-option-letter{background:var(--danger);border-color:var(--danger);color:var(--white)}
.c-option.disabled{pointer-events:none;opacity:.6}

/* ── EXAM RESULT ──────────────────────────────────────── */
.c-result{text-align:center;padding:40px 0}
.c-result-score{font-family:'Playfair Display',serif;font-size:80px;font-weight:700;line-height:1;margin-bottom:8px}
.c-result-score.pass{color:var(--success)}
.c-result-score.fail{color:var(--danger)}
.c-result-label{font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:24px}
.c-result-msg{font-size:20px;font-weight:600;margin-bottom:12px}
.c-result-msg.pass{color:var(--success)}
.c-result-msg.fail{color:var(--danger)}
.c-result-sub{font-size:15px;color:var(--text-muted);margin-bottom:32px;max-width:480px;margin-left:auto;margin-right:auto}

.c-result-details{margin-top:40px;text-align:left}
.c-result-details h3{font-size:14px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
.c-result-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.c-result-icon{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.c-result-icon.ok{background:var(--success-pale)}
.c-result-icon.ok svg{fill:var(--success)}
.c-result-icon.ko{background:var(--danger-pale)}
.c-result-icon.ko svg{fill:var(--danger)}
.c-result-icon svg{width:12px;height:12px}
.c-result-q{font-size:14px;color:var(--text);line-height:1.5}

/* ── CERTIFICATE PAGE ─────────────────────────────────── */
.c-cert{max-width:680px;margin:0 auto;padding:40px 0 80px}
.c-cert-card{background:var(--dark2);border:1px solid var(--border);border-radius:var(--radius);padding:40px;text-align:center}
.c-cert-badge{width:64px;height:64px;background:var(--success-pale);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.c-cert-badge svg{width:28px;height:28px;fill:var(--success)}
.c-cert-card h2{font-family:'Playfair Display',serif;font-size:24px;color:var(--white);margin-bottom:8px}
.c-cert-card p{color:var(--text-muted);margin-bottom:24px}
.c-cert-info{background:var(--dark3);border-radius:var(--radius-sm);padding:20px;margin-bottom:24px;text-align:left}
.c-cert-info-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}
.c-cert-info-row:last-child{border-bottom:none}
.c-cert-info-row span:first-child{color:var(--text-muted)}
.c-cert-info-row span:last-child{color:var(--white);font-weight:500}

/* ── VERIFICATION PAGE ────────────────────────────────── */
.c-verify{max-width:560px;margin:0 auto;padding:40px 0 80px;text-align:center}
.c-verify-card{background:var(--dark2);border:1px solid var(--border);border-radius:var(--radius);padding:40px;margin-top:24px}
.c-verify-card.valid{border-color:rgba(34,197,94,.3)}
.c-verify-card.expired{border-color:rgba(245,158,11,.3)}
.c-verify-card.invalid{border-color:rgba(239,68,68,.3)}
.c-verify-badge{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;animation:badgePop .5s cubic-bezier(.175,.885,.32,1.275)}
.c-verify-badge.valid{background:var(--success-pale)}
.c-verify-badge.valid svg{fill:var(--success)}
.c-verify-badge.expired{background:var(--warning-pale)}
.c-verify-badge.expired svg{fill:var(--warning)}
.c-verify-badge.invalid{background:var(--danger-pale)}
.c-verify-badge.invalid svg{fill:var(--danger)}
.c-verify-badge svg{width:32px;height:32px}

/* ── MI FORMACION ─────────────────────────────────────── */
.c-mf{max-width:720px;margin:0 auto;padding:40px 0 80px}
.c-mf-card{background:var(--dark2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:16px;margin-bottom:12px;transition:all .2s}
.c-mf-card:hover{border-color:var(--border-light)}
.c-mf-status{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.c-mf-status.certificado{background:var(--success-pale)}
.c-mf-status.certificado svg{fill:var(--success)}
.c-mf-status.aprobado{background:rgba(37,99,235,.12)}
.c-mf-status.aprobado svg{fill:var(--accent2)}
.c-mf-status.pendiente{background:rgba(255,255,255,.06)}
.c-mf-status.pendiente svg{fill:var(--text-muted)}
.c-mf-status svg{width:18px;height:18px}
.c-mf-info{flex:1;min-width:0}
.c-mf-info h4{font-size:14px;font-weight:600;color:var(--white);margin-bottom:2px}
.c-mf-info p{font-size:12px;color:var(--text-muted)}
.c-mf-action{flex-shrink:0}
.c-mf-exp{font-size:11px;padding:4px 10px;border-radius:20px;font-weight:600}
.c-mf-exp.green{background:var(--success-pale);color:var(--success)}
.c-mf-exp.amber{background:var(--warning-pale);color:var(--warning)}
.c-mf-exp.red{background:var(--danger-pale);color:var(--danger)}

/* ── ALERTS ───────────────────────────────────────────── */
.c-alert{padding:14px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.c-alert svg{width:16px;height:16px;flex-shrink:0}
.c-alert-success{background:var(--success-pale);color:var(--success);border:1px solid rgba(34,197,94,.2)}
.c-alert-success svg{fill:var(--success)}
.c-alert-error{background:var(--danger-pale);color:var(--danger);border:1px solid rgba(239,68,68,.2)}
.c-alert-error svg{fill:var(--danger)}
.c-alert-warning{background:var(--warning-pale);color:var(--warning);border:1px solid rgba(245,158,11,.2)}
.c-alert-warning svg{fill:var(--warning)}

/* ── EMPTY STATE ──────────────────────────────────────── */
.c-empty{text-align:center;padding:48px 24px}
.c-empty svg{width:48px;height:48px;fill:var(--text-muted);margin-bottom:16px;opacity:.4}
.c-empty h3{font-size:16px;color:var(--white);margin-bottom:8px}
.c-empty p{font-size:14px;color:var(--text-muted)}

/* ── FOOTER ───────────────────────────────────────────── */
.c-footer{background:#060c04;padding:32px 0;border-top:1px solid var(--border);margin-top:auto}
.c-footer-inner{display:flex;flex-direction:column;align-items:center;gap:6px}
.c-footer-logo{font-family:'Playfair Display',serif;font-size:16px;font-weight:700;color:var(--white)}
.c-footer-logo em{font-style:normal;color:var(--orange2)}
.c-footer p{font-size:11px;color:rgba(255,255,255,.25);text-align:center}

/* ── CONFETTI ─────────────────────────────────────────── */
.confetti-container{position:fixed;inset:0;pointer-events:none;z-index:9999;overflow:hidden}
.confetti-piece{position:absolute;top:-10px;width:10px;height:10px;opacity:0;animation:confettiFall var(--duration,3s) var(--delay,0s) ease-out forwards}
.confetti-piece:nth-child(odd){border-radius:50%}
.confetti-piece:nth-child(3n){width:6px;height:14px;border-radius:2px}

/* ── LOADING ──────────────────────────────────────────── */
.c-spinner{width:24px;height:24px;border:3px solid var(--border-light);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto}
.c-loading{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px 0;color:var(--text-muted);font-size:14px}

/* ── ANIMATIONS ───────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@keyframes badgePop{0%{transform:scale(0);opacity:0}60%{transform:scale(1.15)}100%{transform:scale(1);opacity:1}}
@keyframes progressFill{from{width:0}to{width:100%}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes confettiFall{
  0%{opacity:1;transform:translate(var(--x,0),0) rotate(0deg)}
  100%{opacity:0;transform:translate(calc(var(--x,0) + var(--drift,20px)),100vh) rotate(var(--rotation,720deg))}
}
@keyframes countUp{from{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}
.fade-up{animation:fadeUp .6s ease both}
.count-up{animation:countUp .5s cubic-bezier(.175,.885,.32,1.275) both}

/* ── LIGHT MODE ────────────────────────────────────────── */
body.light{background:#F3F6F8;color:#1a1a1a}
body.light .c-nav{background:rgba(255,255,255,.97);border-color:rgba(0,0,0,.08)}
body.light .c-logo-name{color:#1a1a1a}
body.light .c-logo-sub{color:#5a6570}
body.light .c-nav-links a{color:#5a6570}
body.light .c-nav-links a:hover{color:#2563EB;background:rgba(0,0,0,.04)}
body.light .c-nav-links a.active{color:#1A7A5C}
body.light .c-nav-toggle span{background:#1a1a1a}
body.light .c-nav-menu{background:#fff;border-color:rgba(0,0,0,.08)}
body.light .c-hero{background:#0B1420}
body.light .c-progress{background:#fff;border-color:rgba(0,0,0,.08)}
body.light .c-progress-text{color:#5a6570}
body.light .c-progress-step.active .c-progress-text{color:#1a1a1a}
body.light .c-title{color:#1a1a1a}
body.light .c-hero .c-title{color:#fff}
body.light .c-subtitle{color:#5a6570}
body.light .c-hero .c-subtitle{color:rgba(200,196,190,.9)}
body.light .c-card{background:#fff;border-color:rgba(0,0,0,.08);color:#1a1a1a}
body.light .c-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.1);border-color:rgba(0,0,0,.12)}
body.light .c-card-title{color:#1a1a1a}
body.light .c-card-desc{color:#5a6570}
body.light .c-card-price{color:#1a1a1a}
body.light .c-card-footer{border-color:rgba(0,0,0,.06)}
body.light .c-sidebar-card{background:#fff;border-color:rgba(0,0,0,.08)}
body.light .c-sidebar-card h3{color:#1a1a1a}
body.light .c-sidebar-price{color:#1a1a1a}
body.light .c-sidebar-feat{color:#5a6570}
body.light .c-accordion-item{background:#fff;border-color:rgba(0,0,0,.08)}
body.light .c-accordion-item:hover{border-color:rgba(0,0,0,.15)}
body.light .c-accordion-title{color:#1a1a1a}
body.light .c-accordion-body{color:#5a6570}
body.light .c-accordion-head:hover{background:rgba(0,0,0,.02)}
body.light .c-question-card{background:#fff;border-color:rgba(0,0,0,.08)}
body.light .c-question-text{color:#1a1a1a}
body.light .c-option{background:#F3F6F8;border-color:rgba(0,0,0,.1);color:#1a1a1a}
body.light .c-option:hover{border-color:#2563EB;background:rgba(37,99,235,.04)}
body.light .c-option-letter{border-color:rgba(0,0,0,.15);color:#5a6570}
body.light .c-option:hover .c-option-letter{border-color:#2563EB;color:#2563EB}
body.light .c-option-text{color:#1a1a1a}
body.light .c-option.selected{border-color:#2563EB;background:rgba(37,99,235,.06)}
body.light .c-exam-counter{color:#5a6570}
body.light .c-cert-card{background:#fff;border-color:rgba(0,0,0,.08)}
body.light .c-cert-card h2{color:#1a1a1a}
body.light .c-cert-card p{color:#5a6570}
body.light .c-cert-info{background:#F3F6F8}
body.light .c-cert-info-row{border-color:rgba(0,0,0,.06)}
body.light .c-cert-info-row span:first-child{color:#5a6570}
body.light .c-cert-info-row span:last-child{color:#1a1a1a}
body.light .c-verify-card{background:#fff;border-color:rgba(0,0,0,.08)}
body.light .c-mf-card{background:#fff;border-color:rgba(0,0,0,.08)}
body.light .c-mf-info h4{color:#1a1a1a}
body.light .c-mf-info p{color:#5a6570}
body.light .c-form-group label{color:#5a6570}
body.light .c-form-group input,body.light .c-form-group select{background:#fff;border-color:rgba(0,0,0,.12);color:#1a1a1a}
body.light .c-form-group input::placeholder{color:rgba(0,0,0,.3)}
body.light .c-form-group input:focus,body.light .c-form-group select:focus{border-color:#1A7A5C;box-shadow:0 0 0 3px rgba(26,122,92,.1)}
body.light .c-btn-outline{color:#1a1a1a;border-color:rgba(0,0,0,.15)}
body.light .c-btn-outline:hover{background:rgba(0,0,0,.04);border-color:rgba(0,0,0,.25);color:#1a1a1a}
body.light .c-result-q{color:#1a1a1a}
body.light .c-result-item{border-color:rgba(0,0,0,.06)}
body.light .c-footer{background:#fff;border-color:rgba(0,0,0,.06)}
body.light .c-footer-logo{color:#1a1a1a}
body.light .c-footer p{color:#5a6570}
body.light .c-alert-success{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.15)}
body.light .c-alert-error{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.15)}
body.light .c-spinner{border-color:rgba(0,0,0,.1);border-top-color:#2563EB}
body.light .c-breadcrumb a{color:#5a6570}
body.light .c-empty svg{fill:#5a6570}
body.light .c-empty h3{color:#1a1a1a}

/* ── PASSWORD TOGGLE ───────────────────────────────────── */
.c-pwd-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;padding:6px;display:flex;align-items:center}
.c-pwd-toggle svg{width:18px;height:18px;fill:var(--text-muted)}
body.light .c-pwd-toggle svg{fill:#5a6570}

/* ── THEME TOGGLE ─────────────────────────────────────── */
.c-theme-toggle{background:none;border:1px solid var(--border-light);border-radius:6px;width:36px;height:36px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;padding:0}
.c-theme-toggle:hover{border-color:var(--orange2);background:rgba(255,255,255,.05)}
.c-theme-toggle svg{width:16px;height:16px;fill:var(--text-muted);transition:fill .2s}
.c-theme-toggle:hover svg{fill:var(--orange2)}
body.light .c-theme-toggle{border-color:rgba(0,0,0,.12)}
body.light .c-theme-toggle:hover{border-color:#1A7A5C;background:rgba(0,0,0,.03)}
body.light .c-theme-toggle svg{fill:#5a6570}
.c-theme-toggle .icon-sun{display:none}
body.light .c-theme-toggle .icon-moon{display:none}
body.light .c-theme-toggle .icon-sun{display:block}

/* ── RESPONSIVE ───────────────────────────────────────── */
@media(max-width:768px){
  .c-nav-toggle{display:flex}
  .c-nav-menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--dark);border-bottom:1px solid var(--border);flex-direction:column;padding:16px 24px 20px;gap:8px;box-shadow:var(--shadow-lg)}
  .c-nav-menu.open{display:flex}
  .c-nav-links{flex-direction:column;gap:2px}
  .c-nav-links a{padding:12px 16px;border-radius:8px;font-size:15px}

  .c-hero{padding:56px 0 40px}
  .c-section{padding:40px 0}
  .c-grid{grid-template-columns:1fr}
  .c-course-detail-grid{grid-template-columns:1fr}
  .c-sidebar{position:static;margin-top:24px}
  .c-form-row{grid-template-columns:1fr}

  .c-progress-text{display:none}
  .c-progress-line{min-width:20px}

  .c-question-card{padding:24px 20px}
  .c-question-text{font-size:16px}
  .c-option{padding:14px 16px}
  .c-result-score{font-size:56px}

  .c-cert-card{padding:28px 20px}
  .c-verify-card{padding:28px 20px}

  .c-mf-card{flex-wrap:wrap}
}

@media(max-width:480px){
  .c-container{padding:0 16px}
  .c-card{padding:20px}
  .c-exam-dots{gap:4px}
  .c-exam-dot{width:6px;height:6px}
}