/* ================================================================
   hackable.css — Are You Hackable? Quiz
   Premium, engaging UI
   ================================================================ */

/* ── Hero ────────────────────────────────────────────────────── */
#quiz-hero {
    position: relative;
    padding: 140px 0 90px;
    text-align: center;
    overflow: hidden;
    background: var(--ink);
}
.quiz-hero-bg { position: absolute; inset: 0; z-index: 0; }
.qhb-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}
.qhb-orb-1 { width: 500px; height: 500px; background: rgba(59,125,255,0.12); top: -100px; left: 50%; transform: translateX(-50%); }
.qhb-orb-2 { width: 300px; height: 300px; background: rgba(120,80,255,0.08); bottom: -50px; left: 10%; }
.qhb-orb-3 { width: 250px; height: 250px; background: rgba(59,125,255,0.06); top: 50px; right: 5%; }

.quiz-hero-inner { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }

.quiz-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0;
    background: rgba(59,125,255,0.08);
    border: 1px solid rgba(59,125,255,0.2);
    border-radius: 100px;
    padding: 4px;
    margin-bottom: var(--space-5);
}
.quiz-hero-eyebrow span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--slate);
    padding: 4px 12px;
    border-radius: 100px;
}
.quiz-hero-eyebrow span:first-child {
    background: var(--signal);
    color: var(--white);
}

#quiz-hero h1 {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: var(--space-4);
    color: var(--white);
}
.quiz-hero-highlight {
    background: linear-gradient(135deg, #3b7dff, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
#quiz-hero .lede {
    font-size: 1.05rem;
    color: var(--slate);
    line-height: 1.7;
    margin-bottom: var(--space-7);
    max-width: 52ch;
    margin-left: auto;
    margin-right: auto;
}

.quiz-hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-5);
    flex-wrap: wrap;
}
.qhs-item { text-align: center; }
.qhs-num {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 4px;
}
.qhs-label {
    font-size: 0.75rem;
    color: var(--slate);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.qhs-div { width: 1px; height: 40px; background: var(--ink-line); }

/* ── Quiz section ─────────────────────────────────────────────── */
#quiz-section {
    background: linear-gradient(180deg, var(--ink-raised) 0%, var(--ink) 100%);
    padding: 64px 0 96px;
    min-height: 60vh;
}
.quiz-outer { max-width: 680px; margin: 0 auto; }

/* ── Container transitions ─────────────────────────────────────── */
.quiz-container {
    min-height: 400px;
    transition: opacity 0.28s ease, transform 0.28s ease;
}
.quiz-exit {
    opacity: 0;
    transform: translateY(-12px);
    pointer-events: none;
}
.quiz-enter {
    animation: quizEnter 0.38s cubic-bezier(.4,0,.2,1) forwards;
}
@keyframes quizEnter {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── CATEGORY STEP ─────────────────────────────────────────────── */
.qs-category { animation: quizEnter 0.4s ease; }
.qs-cat-header { text-align: center; margin-bottom: var(--space-7); }
.qs-shield-icon { font-size: 3.5rem; margin-bottom: var(--space-4); display: block; animation: float 3s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
.qs-cat-header h2 { margin-bottom: var(--space-2); }
.qs-cat-header p { color: var(--slate); font-size: 0.95rem; }

.qs-cat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}
.qs-cat-btn {
    background: var(--ink);
    border: 1.5px solid var(--ink-line);
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-5);
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    position: relative;
    overflow: hidden;
}
.qs-cat-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59,125,255,0.08), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}
.qs-cat-btn:hover { border-color: var(--signal); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(59,125,255,0.15); }
.qs-cat-btn:hover::before { opacity: 1; }
.qs-cat-btn.qs-cat-selected { border-color: var(--signal); background: rgba(59,125,255,0.08); transform: scale(0.97); }
.qs-cat-emoji { font-size: 2.2rem; margin-bottom: var(--space-1); display: block; }
.qs-cat-btn strong { font-size: 1rem; color: var(--white); font-weight: 700; display: block; }
.qs-cat-btn span { font-size: 0.82rem; color: var(--slate); line-height: 1.5; }

/* ── QUESTION STEP ─────────────────────────────────────────────── */
.qs-progress-top { margin-bottom: var(--space-6); }
.qs-progress-track {
    height: 5px;
    background: rgba(255,255,255,0.06);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    margin-bottom: var(--space-3);
}
.qs-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b7dff, #8b5cf6);
    border-radius: 10px;
    width: 0%;
    transition: width 0.5s cubic-bezier(.4,0,.2,1);
}
.qs-progress-glow {
    position: absolute;
    top: -4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #8b5cf6;
    box-shadow: 0 0 12px 4px rgba(139,92,246,0.6);
    transform: translateX(-50%);
    transition: left 0.5s cubic-bezier(.4,0,.2,1);
}
.qs-progress-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.qs-q-count {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--slate);
}
.qs-q-count strong { color: var(--white); }
.qs-topic-pill {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 100px;
    border: 1px solid;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.qs-question-card {
    background: var(--ink);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius-lg);
    padding: var(--space-7);
    margin-bottom: var(--space-4);
    transition: box-shadow 0.3s;
}
.qs-question-card.qs-card-pulse {
    box-shadow: 0 0 0 3px rgba(59,125,255,0.2);
}
.qs-trick-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    color: #f59e0b;
    background: rgba(245,158,11,0.1);
    border: 1px solid rgba(245,158,11,0.2);
    padding: 4px 10px;
    border-radius: 100px;
    margin-bottom: var(--space-4);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.qs-q-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.55;
    margin-bottom: var(--space-6);
}
.qs-options { display: flex; flex-direction: column; gap: var(--space-3); }

.qs-opt {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: rgba(255,255,255,0.02);
    border: 1.5px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    cursor: pointer;
    text-align: left;
    width: 100%;
    font-family: var(--font-body);
    transition: all 0.18s ease;
    opacity: 0;
    transform: translateX(-8px);
}
.qs-opt-appear { animation: optIn 0.3s ease forwards; }
@keyframes optIn {
    from { opacity: 0; transform: translateX(-8px); }
    to   { opacity: 1; transform: translateX(0); }
}
.qs-opt:hover:not(:disabled) {
    border-color: rgba(59,125,255,0.5);
    background: rgba(59,125,255,0.06);
    transform: translateX(4px);
}
.qs-opt:disabled { cursor: default; }

.qs-opt-letter {
    flex-shrink: 0;
    width: 30px; height: 30px;
    border-radius: 8px;
    background: rgba(255,255,255,0.06);
    color: var(--slate);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.18s;
}
.qs-opt-text { flex: 1; font-size: 0.92rem; color: var(--white); line-height: 1.5; }
.qs-opt-icon { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; }

.qs-opt-correct { border-color: #16a34a !important; background: rgba(22,163,74,0.08) !important; animation: optPop 0.3s ease; }
.qs-opt-correct .qs-opt-letter { background: #16a34a; color: #fff; }
.qs-opt-correct .qs-opt-icon { background: rgba(22,163,74,0.2); color: #16a34a; }

.qs-opt-warn { border-color: #d97706 !important; background: rgba(217,119,6,0.08) !important; animation: optPop 0.3s ease; }
.qs-opt-warn .qs-opt-letter { background: #d97706; color: #fff; }
.qs-opt-warn .qs-opt-icon { background: rgba(217,119,6,0.2); color: #d97706; }

.qs-opt-wrong { border-color: #dc2626 !important; background: rgba(220,38,38,0.08) !important; animation: optShake 0.4s ease; }
.qs-opt-wrong .qs-opt-letter { background: #dc2626; color: #fff; }
.qs-opt-wrong .qs-opt-icon { background: rgba(220,38,38,0.2); color: #dc2626; }

@keyframes optPop { 0%{transform:scale(1)} 50%{transform:scale(1.02)} 100%{transform:scale(1)} }
@keyframes optShake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-4px)} 75%{transform:translateX(4px)} }

.qs-back-btn {
    background: none;
    border: none;
    color: var(--slate);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 8px 0;
    transition: color 0.2s;
}
.qs-back-btn:hover { color: var(--white); }

/* ── INFO STEP ─────────────────────────────────────────────────── */
.qs-info-wrap { text-align: center; max-width: 480px; margin: 0 auto; }
.qs-info-icon-wrap { position: relative; display: inline-block; margin-bottom: var(--space-5); }
.qs-info-icon { font-size: 4rem; position: relative; z-index: 1; }
.qs-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(59,125,255,0.2);
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    animation: ringPulse 2s ease-in-out infinite;
}
.qs-ring-1 { width: 80px; height: 80px; animation-delay: 0s; }
.qs-ring-2 { width: 110px; height: 110px; animation-delay: 0.4s; }
@keyframes ringPulse { 0%,100%{opacity:0.4;transform:translate(-50%,-50%) scale(1)} 50%{opacity:0.15;transform:translate(-50%,-50%) scale(1.1)} }

.qs-info-wrap h2 { margin-bottom: var(--space-2); }
.qs-info-wrap > p { color: var(--slate); margin-bottom: var(--space-6); }
.qs-info-form { text-align: left; }
.qs-field { margin-bottom: var(--space-4); }
.qs-field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--white); margin-bottom: 6px; }
.req { color: var(--alert); }
.qs-field input {
    width: 100%;
    background: var(--ink);
    border: 1.5px solid var(--ink-line);
    border-radius: var(--radius-sm);
    padding: 13px 14px;
    color: var(--white);
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.qs-field input:focus { border-color: var(--signal); outline: none; box-shadow: 0 0 0 3px rgba(59,125,255,0.12); }
.qs-field input::placeholder { color: var(--slate); }

.qs-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: var(--space-2);
    position: relative;
    overflow: hidden;
}
.qs-submit-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}
.qs-submit-btn:hover::after { transform: translateX(100%); }
.qs-btn-loading { opacity: 0.7; cursor: wait; }

.qs-privacy { font-size: 0.75rem; color: var(--slate); text-align: center; margin-top: var(--space-3); }

/* ── RESULTS ───────────────────────────────────────────────────── */
.qs-score-hero {
    position: relative;
    border: 2px solid;
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-7);
    text-align: center;
    margin-bottom: var(--space-6);
    overflow: hidden;
}
.qs-score-bg { position: absolute; inset: 0; opacity: 0.5; }
.qs-score-content { position: relative; z-index: 1; }
.qs-score-emoji { font-size: 3rem; margin-bottom: var(--space-3); display: block; }
.qs-score-num-wrap { display: flex; align-items: baseline; justify-content: center; gap: 4px; margin-bottom: var(--space-2); }
.qs-score-num { font-family: var(--font-mono); font-size: 5rem; font-weight: 800; line-height: 1; }
.qs-score-denom { font-family: var(--font-mono); font-size: 1.5rem; color: var(--slate); }
.qs-score-label { font-size: 1.1rem; font-weight: 700; margin-bottom: var(--space-3); }
.qs-score-headline { font-size: 1.4rem; font-weight: 800; color: var(--white); margin-bottom: var(--space-3); }
.qs-score-summary { font-size: 0.92rem; color: var(--slate); line-height: 1.7; max-width: 50ch; margin: 0 auto; }
.qs-cert-badge {
    display: inline-block;
    margin-top: var(--space-4);
    background: rgba(22,163,74,0.15);
    border: 1px solid rgba(22,163,74,0.3);
    color: #16a34a;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 100px;
    animation: float 3s ease-in-out infinite;
}
.qs-cert-locked {
    margin-top: var(--space-4);
    font-size: 0.82rem;
    color: var(--slate);
}

.qs-section {
    background: var(--ink);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-5);
}
.qs-section-title { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: var(--space-5); }

/* Topic bars */
.qs-topic-bars { display: flex; flex-direction: column; gap: var(--space-4); }
.qs-tb-row {}
.qs-tb-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.qs-tb-label { font-size: 0.88rem; color: var(--white); }
.qs-tb-pct { font-family: var(--font-mono); font-size: 0.82rem; font-weight: 700; }
.qs-tb-track { height: 8px; background: rgba(255,255,255,0.06); border-radius: 10px; overflow: hidden; }
.qs-tb-fill { height: 100%; border-radius: 10px; width: 0%; }

/* Checklist */
.qs-checklist-group { margin-bottom: var(--space-5); }
.qs-checklist-group:last-child { margin-bottom: 0; }
.qs-cg-header { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-3); }
.qs-check-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    cursor: pointer;
    transition: all 0.2s;
}
.qs-check-item:last-child { border-bottom: none; }
.qs-check-item input[type="checkbox"] { flex-shrink: 0; width: 16px; height: 16px; accent-color: var(--signal); margin-top: 2px; cursor: pointer; }
.qs-check-item span { font-size: 0.88rem; color: var(--slate); line-height: 1.6; }
.qs-check-item.qs-checked span { text-decoration: line-through; opacity: 0.45; }
.qs-all-good { color: var(--slate); font-size: 0.9rem; margin-bottom: var(--space-4); }

/* Resources */
.qs-res-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--space-3); }
.qs-res-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--ink-line);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    text-decoration: none;
    transition: all 0.2s;
}
.qs-res-card:hover { border-color: var(--signal); background: rgba(59,125,255,0.05); transform: translateY(-2px); }
.qs-res-icon { font-size: 1.2rem; flex-shrink: 0; }
.qs-res-label { flex: 1; font-size: 0.82rem; color: var(--white); line-height: 1.4; }
.qs-res-card svg { flex-shrink: 0; color: var(--slate); }

/* Actions */
.qs-result-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: center;
    padding: var(--space-6) 0 var(--space-4);
    border-top: 1px solid var(--ink-line);
    margin-top: var(--space-2);
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 640px) {
    #quiz-hero { padding: 100px 0 60px; }
    #quiz-hero h1 { font-size: 2.4rem; }
    .quiz-hero-stats { gap: var(--space-4); }
    .qhs-div { height: 30px; }
    .qs-cat-grid { grid-template-columns: 1fr; }
    .qs-question-card { padding: var(--space-5) var(--space-4); }
    .qs-q-text { font-size: 1rem; }
    .qs-res-grid { grid-template-columns: 1fr; }
    .qs-result-actions { flex-direction: column; }
    .qs-result-actions .btn { text-align: center; justify-content: center; }
    .qs-score-num { font-size: 3.5rem; }
    .qs-score-headline { font-size: 1.15rem; }
}

/* ── Language toggle ─────────────────────────────────────────── */
.qs-lang-toggle {
    display: inline-flex;
    align-items: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--ink-line);
    border-radius: 100px;
    padding: 3px;
    margin-bottom: var(--space-5);
    gap: 2px;
}
.qs-lang-btn {
    background: none;
    border: none;
    color: var(--slate);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-body);
}
.qs-lang-btn.active,
.qs-lang-btn:hover {
    background: var(--signal);
    color: var(--white);
}