/* Section header */
.section-head{text-align:center;max-width:720px;margin:0 auto 2.5rem}
.section-head .eyebrow{display:inline-block;color:var(--color-primary);background:color-mix(in srgb,var(--color-primary) 12%,transparent);padding:.35rem .85rem;border-radius:999px;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1rem}

/* Card grid */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem}

/* Topic card */
.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;transition:all var(--transition);position:relative;overflow:hidden}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--color-primary) 30%,var(--color-border))}
.card-icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;margin-bottom:1rem;background:color-mix(in srgb,var(--color-primary) 12%,transparent);color:var(--color-primary)}
.card-icon svg{width:24px;height:24px}
.card h3{margin-bottom:.5rem}
.card p{color:var(--color-text-muted);font-size:.95rem;margin-bottom:0}
.card-link{display:inline-flex;align-items:center;gap:.35rem;margin-top:1rem;color:var(--color-primary);font-weight:600;font-size:.9rem}
.card-link::after{content:"→";transition:transform var(--transition)}
.card:hover .card-link::after{transform:translateX(4px)}

/* Accordion (Konular) */
.accordion{display:flex;flex-direction:column;gap:.75rem}
.accordion-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}
.accordion-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.1rem 1.25rem;text-align:left;font-weight:600;font-size:1.05rem;color:var(--color-text);transition:background var(--transition)}
.accordion-trigger:hover{background:var(--color-surface-2)}
.accordion-trigger .acc-icon{flex-shrink:0;width:36px;height:36px;border-radius:10px;background:color-mix(in srgb,var(--color-primary) 12%,transparent);color:var(--color-primary);display:grid;place-items:center}
.accordion-trigger .acc-title{flex:1}
.accordion-trigger .acc-arrow{transition:transform var(--transition);color:var(--color-text-muted)}
.accordion-item[open] .accordion-trigger{background:var(--color-surface-2)}
.accordion-item[open] .acc-arrow{transform:rotate(180deg)}
.accordion-content{padding:0 1.25rem 1.25rem;color:var(--color-text);line-height:1.75}
.accordion-content ul{padding-left:1.25rem;margin:.5rem 0 1rem}
.accordion-content ul li{list-style:disc;margin-bottom:.4rem;color:var(--color-text-muted)}
.accordion-content strong{color:var(--color-text)}

/* Attack case card */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.25rem}
.case-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;border-left:4px solid var(--color-danger);transition:all var(--transition)}
.case-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.case-meta{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:.75rem}
.tag{display:inline-block;padding:.25rem .65rem;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--color-surface-2);color:var(--color-text-muted)}
.tag.danger{background:color-mix(in srgb,var(--color-danger) 15%,transparent);color:var(--color-danger)}
.tag.warning{background:color-mix(in srgb,var(--color-warning) 18%,transparent);color:var(--color-warning)}
.tag.info{background:color-mix(in srgb,var(--color-primary) 12%,transparent);color:var(--color-primary)}
.case-card h3{margin-bottom:.75rem}
.case-section{margin-top:.85rem}
.case-section-title{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);font-weight:700;margin-bottom:.25rem}
.case-section p{margin:0;font-size:.95rem;color:var(--color-text)}
.case-lesson{background:color-mix(in srgb,var(--color-success) 10%,transparent);border-radius:var(--radius-sm);padding:.75rem 1rem;margin-top:1rem;border-left:3px solid var(--color-success)}
.case-lesson p{font-size:.9rem;color:var(--color-text)}

/* Quiz */
.quiz-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.quiz-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column}
.quiz-card .badge{display:inline-block;background:color-mix(in srgb,var(--color-accent) 25%,transparent);color:var(--color-accent-dark);padding:.25rem .6rem;border-radius:6px;font-size:.75rem;font-weight:700;margin-bottom:.75rem}
.quiz-card h3{margin-bottom:.5rem}
.quiz-card p{flex:1;color:var(--color-text-muted);font-size:.92rem}
.quiz-card .quiz-stats{display:flex;gap:1rem;font-size:.8rem;color:var(--color-text-muted);margin:.5rem 0 1rem}
.quiz-card .btn{align-self:flex-start;margin-top:auto}

.quiz-stage{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;max-width:780px;margin:2rem auto;box-shadow:var(--shadow-md)}
.quiz-progress{height:8px;background:var(--color-surface-2);border-radius:999px;overflow:hidden;margin-bottom:1.5rem}
.quiz-progress-bar{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));transition:width 400ms ease;border-radius:999px}
.quiz-q-num{font-size:.85rem;color:var(--color-text-muted);font-weight:600;margin-bottom:.5rem}
.quiz-question{font-size:1.25rem;font-weight:700;margin-bottom:1.5rem;line-height:1.4}
.quiz-options{display:flex;flex-direction:column;gap:.6rem}
.quiz-option{text-align:left;width:100%;padding:1rem 1.1rem;border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);font-weight:500;transition:all var(--transition);display:flex;align-items:center;gap:.85rem}
.quiz-option:hover:not(:disabled){border-color:var(--color-primary);background:color-mix(in srgb,var(--color-primary) 5%,var(--color-surface))}
.quiz-option .opt-letter{flex-shrink:0;width:30px;height:30px;border-radius:8px;background:var(--color-surface-2);display:grid;place-items:center;font-weight:700;font-size:.85rem;color:var(--color-text-muted)}
.quiz-option.correct{border-color:var(--color-success);background:color-mix(in srgb,var(--color-success) 12%,var(--color-surface));color:var(--color-text)}
.quiz-option.correct .opt-letter{background:var(--color-success);color:#fff}
.quiz-option.wrong{border-color:var(--color-danger);background:color-mix(in srgb,var(--color-danger) 12%,var(--color-surface))}
.quiz-option.wrong .opt-letter{background:var(--color-danger);color:#fff}
.quiz-option:disabled{cursor:default}
.quiz-feedback{margin-top:1.25rem;padding:1rem 1.15rem;border-radius:var(--radius-md);background:var(--color-surface-2);font-size:.95rem;display:none}
.quiz-feedback.show{display:block;animation:fadeSlideIn 300ms ease}
.quiz-feedback.correct{background:color-mix(in srgb,var(--color-success) 14%,transparent);border-left:3px solid var(--color-success)}
.quiz-feedback.wrong{background:color-mix(in srgb,var(--color-danger) 14%,transparent);border-left:3px solid var(--color-danger)}
.quiz-actions{display:flex;justify-content:space-between;align-items:center;margin-top:1.5rem;gap:.75rem}

/* Quiz result */
.quiz-result{text-align:center;padding:2rem 1rem}
.score-ring{position:relative;width:160px;height:160px;margin:0 auto 1.5rem}
.score-ring svg{transform:rotate(-90deg);width:100%;height:100%}
.score-ring .ring-bg{fill:none;stroke:var(--color-surface-2);stroke-width:12}
.score-ring .ring-fg{fill:none;stroke:url(#scoreGrad);stroke-width:12;stroke-linecap:round;transition:stroke-dashoffset 800ms ease}
.score-ring .score-text{position:absolute;inset:0;display:grid;place-items:center;font-size:2.5rem;font-weight:800;color:var(--color-text);letter-spacing:-.02em}
.score-ring .score-text small{font-size:1rem;color:var(--color-text-muted);font-weight:600}
.score-msg{font-size:1.15rem;margin-bottom:1.5rem}
.score-actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}

/* Game cards */
.game-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.game-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:0;overflow:hidden;display:flex;flex-direction:column;transition:all var(--transition)}
.game-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.game-card-header{padding:2rem 1.5rem;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;text-align:center;position:relative;overflow:hidden}
.game-card-header::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 70% 30%,rgba(245,180,0,.2),transparent 50%);pointer-events:none}
.game-card-header svg{width:48px;height:48px;margin:0 auto .5rem;position:relative}
.game-card-header h3{color:#fff;margin:0;position:relative}
.game-card-body{padding:1.25rem 1.5rem 1.5rem;display:flex;flex-direction:column;flex:1}
.game-card-body p{color:var(--color-text-muted);font-size:.92rem;flex:1}
.game-card-body .btn{align-self:flex-start;margin-top:1rem}

/* Game stage */
.game-stage{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;margin:2rem auto;max-width:840px;box-shadow:var(--shadow-md)}
.game-hud{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--color-border)}
.hud-item{display:flex;flex-direction:column;align-items:center}
.hud-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);font-weight:700}
.hud-value{font-size:1.5rem;font-weight:800;color:var(--color-text);letter-spacing:-.02em}
.hud-value.accent{color:var(--color-accent)}
.hud-value.success{color:var(--color-success)}

/* Phishing detector */
.phish-card{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1.25rem;font-family:'SF Mono',Menlo,Monaco,Consolas,monospace;font-size:.92rem;line-height:1.6;margin-bottom:1.5rem;animation:fadeSlideIn 300ms ease}
.phish-card .from-line{color:var(--color-text-muted);font-size:.82rem;margin-bottom:.5rem;font-family:var(--font)}
.phish-card .from-line strong{color:var(--color-text)}
.phish-card .subject{font-weight:700;font-size:1.05rem;margin-bottom:.85rem;color:var(--color-text);font-family:var(--font)}
.phish-card .body-text{white-space:pre-wrap;color:var(--color-text);font-family:var(--font)}
.phish-actions{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.phish-btn{padding:1rem;border-radius:var(--radius-md);font-weight:700;font-size:1rem;border:2px solid var(--color-border);background:var(--color-surface);color:var(--color-text);transition:all var(--transition)}
.phish-btn.safe:hover{border-color:var(--color-success);background:color-mix(in srgb,var(--color-success) 10%,transparent);color:var(--color-success)}
.phish-btn.danger:hover{border-color:var(--color-danger);background:color-mix(in srgb,var(--color-danger) 10%,transparent);color:var(--color-danger)}
.phish-btn:disabled{opacity:.6;cursor:not-allowed}

/* Password strength */
.psw-input{width:100%;padding:1rem 1.15rem;font-size:1.125rem;border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text);font-family:'SF Mono',monospace;letter-spacing:.05em}
.psw-input:focus{outline:none;border-color:var(--color-primary)}
.psw-meter{display:flex;gap:4px;margin:1rem 0}
.psw-meter span{flex:1;height:8px;border-radius:4px;background:var(--color-surface-2);transition:background 300ms ease}
.psw-meter span.lvl-1{background:#ef4444}
.psw-meter span.lvl-2{background:#f59e0b}
.psw-meter span.lvl-3{background:#eab308}
.psw-meter span.lvl-4{background:#84cc16}
.psw-meter span.lvl-5{background:#10b981}
.psw-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin:1rem 0}
.psw-stat{background:var(--color-surface-2);padding:.85rem 1rem;border-radius:var(--radius-md)}
.psw-stat-lbl{font-size:.75rem;text-transform:uppercase;color:var(--color-text-muted);font-weight:700;letter-spacing:.05em}
.psw-stat-val{font-size:1.05rem;font-weight:700;color:var(--color-text);margin-top:.2rem}
.psw-tips{list-style:none;padding:0;margin:1rem 0 0}
.psw-tips li{display:flex;align-items:center;gap:.6rem;padding:.5rem 0;font-size:.92rem;color:var(--color-text-muted)}
.psw-tips li::before{content:"○";color:var(--color-text-muted);font-size:1.25rem;line-height:1}
.psw-tips li.ok{color:var(--color-text)}
.psw-tips li.ok::before{content:"✓";color:var(--color-success);font-weight:700}

/* URL checker */
.url-question{text-align:center;font-weight:600;margin-bottom:1.5rem;font-size:1.1rem}
.url-options{display:grid;gap:.75rem}
.url-option{padding:1rem 1.25rem;background:var(--color-surface-2);border:2px solid var(--color-border);border-radius:var(--radius-md);font-family:'SF Mono',Menlo,Monaco,Consolas,monospace;font-size:1rem;color:var(--color-text);transition:all var(--transition);text-align:left;word-break:break-all}
.url-option:hover:not(:disabled){border-color:var(--color-primary);transform:translateX(4px)}
.url-option.correct{border-color:var(--color-success);background:color-mix(in srgb,var(--color-success) 14%,transparent)}
.url-option.wrong{border-color:var(--color-danger);background:color-mix(in srgb,var(--color-danger) 14%,transparent)}
.url-explain{margin-top:1.25rem;padding:1rem;background:var(--color-surface-2);border-radius:var(--radius-md);font-size:.93rem;display:none}
.url-explain.show{display:block;animation:fadeSlideIn 300ms ease}

/* Memory match */
.memory-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.75rem;margin-bottom:1rem}
.memory-card{aspect-ratio:3/4;perspective:1000px;cursor:pointer}
.memory-card-inner{position:relative;width:100%;height:100%;transition:transform 500ms;transform-style:preserve-3d}
.memory-card.flipped .memory-card-inner,.memory-card.matched .memory-card-inner{transform:rotateY(180deg)}
.memory-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius-md);display:grid;place-items:center;text-align:center;padding:.75rem;font-size:.85rem;font-weight:600;line-height:1.3}
.memory-face-front{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff}
.memory-face-front svg{width:32px;height:32px;color:var(--color-accent)}
.memory-face-back{background:var(--color-surface-2);border:2px solid var(--color-border);color:var(--color-text);transform:rotateY(180deg)}
.memory-card.matched .memory-face-back{background:color-mix(in srgb,var(--color-success) 18%,transparent);border-color:var(--color-success)}

/* Scenario game */
.scenario-step{background:var(--color-surface-2);border-radius:var(--radius-md);padding:1.5rem;margin-bottom:1rem;animation:fadeSlideIn 300ms ease}
.scenario-step .step-num{font-size:.78rem;text-transform:uppercase;color:var(--color-text-muted);font-weight:700;letter-spacing:.06em}
.scenario-step h4{font-size:1.15rem;margin:.4rem 0 1rem}
.scenario-choices{display:flex;flex-direction:column;gap:.6rem}
.scenario-choice{text-align:left;padding:.85rem 1.1rem;border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);transition:all var(--transition)}
.scenario-choice:hover:not(:disabled){border-color:var(--color-primary);transform:translateX(4px)}
.scenario-feedback{margin-top:1rem;padding:1rem;border-radius:var(--radius-md);font-size:.93rem}
.scenario-feedback.good{background:color-mix(in srgb,var(--color-success) 14%,transparent);border-left:3px solid var(--color-success)}
.scenario-feedback.bad{background:color-mix(in srgb,var(--color-danger) 14%,transparent);border-left:3px solid var(--color-danger)}

/* Tips list */
.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-bottom:2rem}
.tip-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1.25rem;display:flex;gap:.85rem;align-items:flex-start}
.tip-card .tip-num{flex-shrink:0;width:32px;height:32px;border-radius:8px;background:var(--color-accent);color:var(--color-primary-dark);display:grid;place-items:center;font-weight:800;font-size:.95rem}
.tip-card p{margin:0;font-size:.95rem}

/* Checklist */
.checklist{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem 1.75rem}
.checklist-item{display:flex;gap:.85rem;align-items:flex-start;padding:.65rem 0;border-bottom:1px solid var(--color-border)}
.checklist-item:last-child{border-bottom:none}
.checklist-item input[type="checkbox"]{width:22px;height:22px;flex-shrink:0;margin-top:2px;accent-color:var(--color-primary);cursor:pointer}
.checklist-item label{cursor:pointer;flex:1}
.checklist-item input:checked+label{text-decoration:line-through;color:var(--color-text-muted)}

/* Form */
.form-grid{display:grid;gap:1.25rem;max-width:640px;margin:0 auto}
.form-group{display:flex;flex-direction:column;gap:.4rem}
.form-group label{font-weight:600;font-size:.92rem}
.form-control{padding:.75rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);font-size:1rem;transition:border-color var(--transition)}
.form-control:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-primary) 20%,transparent)}
textarea.form-control{resize:vertical;min-height:140px;font-family:inherit}

/* Leaderboard */
.leaderboard{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;margin-top:2rem}
.leaderboard h3{margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}
.leaderboard-row{display:grid;grid-template-columns:36px 1fr auto auto;gap:.85rem;align-items:center;padding:.65rem 0;border-bottom:1px solid var(--color-border);font-size:.95rem}
.leaderboard-row:last-child{border-bottom:none}
.lb-rank{font-weight:800;color:var(--color-text-muted);text-align:center}
.lb-rank.top{color:var(--color-accent)}
.lb-name{font-weight:600}
.lb-score{font-weight:700;color:var(--color-primary)}
.lb-date{font-size:.8rem;color:var(--color-text-muted)}
.lb-empty{text-align:center;color:var(--color-text-muted);padding:1.5rem 0;font-size:.92rem}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;padding:1rem;animation:fadeIn 200ms ease}
.modal-overlay.show{display:flex}
.modal{background:var(--color-surface);border-radius:var(--radius-lg);max-width:480px;width:100%;padding:2rem;box-shadow:var(--shadow-lg);animation:fadeSlideIn 300ms ease}
.modal h3{margin-bottom:1rem}
.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem}

/* Animations */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeSlideIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}

/* Certificate */
.certificate{background:#FFFCF2;color:#0F1B2D;border:2px solid var(--color-accent);border-radius:var(--radius-lg);padding:3rem 2rem;max-width:840px;margin:2rem auto;text-align:center;box-shadow:var(--shadow-lg);position:relative;background-image:radial-gradient(circle at 10% 10%,rgba(27,58,107,.04),transparent 40%),radial-gradient(circle at 90% 90%,rgba(245,180,0,.08),transparent 40%)}
.certificate::before,.certificate::after{content:"";position:absolute;width:80px;height:80px;border:3px solid var(--color-primary)}
.certificate::before{top:18px;left:18px;border-right:none;border-bottom:none}
.certificate::after{bottom:18px;right:18px;border-left:none;border-top:none}
.cert-eyebrow{font-size:.85rem;text-transform:uppercase;letter-spacing:.2em;color:var(--color-primary);font-weight:700;margin-bottom:1rem}
.cert-title{font-size:clamp(1.75rem,4vw,2.5rem);color:var(--color-primary-dark);font-weight:800;letter-spacing:-.02em;margin-bottom:1.5rem}
.cert-body{font-size:1.1rem;line-height:1.8;max-width:600px;margin:0 auto 1.5rem;color:#0F1B2D}
.cert-name{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;color:var(--color-primary);border-bottom:2px solid var(--color-accent);display:inline-block;padding:0 1rem .25rem;margin:.5rem 0}
.cert-quiz-name{font-weight:700;color:var(--color-primary-dark)}
.cert-score{font-size:1.25rem;font-weight:700;color:var(--color-accent-dark);margin:1rem 0}
.cert-footer{display:flex;justify-content:space-around;flex-wrap:wrap;gap:1rem;margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--color-border)}
.cert-sig{text-align:center}
.cert-sig-label{font-size:.85rem;color:var(--color-text-muted)}
.cert-sig-name{font-weight:700;border-top:1px solid var(--color-border);padding-top:.4rem;margin-top:.4rem;font-size:.95rem}
.cert-toolbar{display:flex;gap:.75rem;justify-content:center;margin:1.5rem 0}

@media print{
  body *{visibility:hidden}
  .certificate,.certificate *{visibility:visible}
  .certificate{position:absolute;left:0;top:0;width:100%;border-color:#1B3A6B;box-shadow:none;background:#fff}
  .cert-toolbar,.site-header,.site-footer{display:none!important}
}

/* Toast */
.toast{position:fixed;bottom:1.5rem;left:50%;transform:translateX(-50%) translateY(100px);background:var(--color-primary-dark);color:#fff;padding:.85rem 1.25rem;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:300;opacity:0;transition:all 300ms ease;font-size:.92rem;font-weight:500;max-width:90vw}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast.success{background:var(--color-success)}
.toast.error{background:var(--color-danger)}