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

:root {
    --bg:        #ffffff; /* Clean White Canvas */
    --bg-2:      #f8f9fa; /* Light Gray */
    --surface:   #ffffff; /* Card Background */
    --surface-2: #f8f9fa;
    --border:    #e5e7eb; /* Subtle Border */
    --border-2:  #000000;
    --text:      #000000; /* Pure Ink */
    --text-2:    #374151; /* Dark Gray Body */
    --text-3:    #6b7280; /* Muted Gray */
    --text-4:    #9ca3af;
    
    /* 10% Accent Colors for Highlights & Progress */
    --accent-violet: #8b5cf6;
    --accent-pink:   #ec4899;
    --accent-sky:    #0ea5e9;
    --accent-peach:  #f97316;
    --accent-ochre:  #eab308;
    --accent-mint:   #10b981;
    
    --brand:     #000000;
    --ink:       #000000;
    --white:     #ffffff;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.03);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 28px;
    --radius-full: 9999px;
}

.dark-mode {
    --bg:        #000000; /* Pitch Black Canvas */
    --bg-2:      #0d0d0d;
    --surface:   #121212; /* Dark Gray Card */
    --surface-2: #1a1a1a;
    --border:    #262626;
    --border-2:  #404040;
    --text:      #ffffff; /* White Ink */
    --text-2:    #d4d4d4; /* Off-White Body */
    --text-3:    #a3a3a3; /* Muted Off-White */
    --text-4:    #737373;
    --brand:     #ffffff;
    --ink:       #ffffff;
    --white:     #000000;
    
    /* 10% Accent Colors in Dark Mode */
    --accent-violet: #a78bfa;
    --accent-pink:   #f472b6;
    --accent-sky:    #38bdf8;
    --accent-peach:  #fb923c;
    --accent-ochre:  #facc15;
    --accent-mint:   #34d399;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -1px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -2px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text-2);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.02em;
    font-size: 17px;
    line-height: 1.7;
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--text-3); }
::selection { background: var(--brand); color: #fff; }

.navbar {
    position: sticky; top: 0; z-index: 100;
    padding: 0.875rem 1.5rem;
    background: rgba(255,250,240,0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.dark-mode .navbar { background: rgba(10,10,15,0.88); }
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 44px; }
.nav-brand { display: flex; align-items: center; gap: 0.75rem; cursor: pointer; user-select: none; }
.brand-icon {
    width: 36px; height: 36px; border-radius: 10px;
    background: var(--bg); color: var(--text);
    border: 2px solid var(--text);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}
.brand-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem; font-weight: 700; letter-spacing: -0.03em;
    color: var(--brand); margin: 0;
}
.nav-links { display: flex; gap: 0.25rem; align-items: center; }
.nav-links a {
    color: var(--text-3); text-decoration: none;
    font-size: 0.825rem; font-weight: 600;
    padding: 0.5rem 1rem; border-radius: var(--radius-full);
    transition: all 0.2s;
}
.nav-links a:hover { color: var(--ink); background: var(--bg-2); }
.nav-links a.active-link { color: var(--brand); background: rgba(77,201,246,0.1); }
.nav-actions { display: flex; gap: 0.625rem; align-items: center; }

.btn-icon {
    width: 38px; height: 38px; border-radius: var(--radius-full);
    border: 1px solid var(--border); background: transparent;
    color: var(--text-3); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; transition: all 0.2s;
}
.btn-icon:hover { background: var(--bg-2); border-color: var(--text-3); color: var(--ink); }

.btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0 28px; height: 46px;
    background: var(--brand); color: var(--white);
    font-weight: 600; font-size: 0.85rem;
    border: none; border-radius: var(--radius-full);
    cursor: pointer; transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.12); }
.btn-primary:active { transform: translateY(0); }
.btn-full { width: 100%; }

.btn-secondary {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0 28px; height: 46px;
    background: transparent; color: var(--brand); font-weight: 600; font-size: 0.85rem;
    border: 1px solid var(--border-2); border-radius: var(--radius-full);
    cursor: pointer; transition: all 0.2s;
}
.btn-secondary:hover { background: var(--bg-2); border-color: var(--brand); color: var(--brand); }

.back-btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--brand);
    background: none; border: none; cursor: pointer;
    padding: 0.375rem 0.75rem; border-radius: var(--radius-full);
    margin-bottom: 1.5rem; transition: all 0.2s;
}
.back-btn:hover { background: rgba(77,201,246,0.1); color: var(--brand); }

.main-container { max-width: 100%; position: relative; }
.main-content-inner { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.view { display: none; }
.view.active { display: block; }

.verify-overlay {
    position: fixed; inset: 0; z-index: 200;
    background: var(--bg); display: flex;
    align-items: center; justify-content: center; padding: 2rem;
}
.verify-overlay.hidden { display: none; }
.verify-box { width: 100%; max-width: 320px; text-align: center; }
.verify-icon { font-size: 2.25rem; color: var(--brand); margin-bottom: 1.25rem; display: block; }
.verify-title { font-size: 1.5rem; font-weight: 700; color: var(--ink); margin-bottom: 1.5rem; }
.progress-bar-track { height: 4px; width: 100%; background: var(--border); border-radius: var(--radius-full); overflow: hidden; margin-top: 1.5rem; }
.progress-bar-fill { height: 100%; background: var(--brand); border-radius: var(--radius-full); transition: width 0.3s; }

.dashboard-header {
    text-align: center; padding: 100px 20px 60px;
    max-width: 800px; margin: 0 auto;
    position: relative;
}
.dashboard-header::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(77,201,246,0.06) 0%, transparent 60%);
    pointer-events: none;
}
.hero-logo-wrap {
    width: 80px; height: 80px; margin: 0 auto 1.5rem; border-radius: 50%;
    background: var(--bg);
    color: var(--text);
    border: 3px solid var(--text);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-sm);
}
.hero-title {
    font-family: 'Unbounded', sans-serif;
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 700; letter-spacing: -0.05em; line-height: 1.05;
    margin-bottom: 1rem; color: var(--ink);
}
.hero-subtitle {
    font-size: 1.1rem; color: var(--text-2);
    max-width: 540px; margin: 0 auto 2rem;
    line-height: 1.6; font-weight: 400;
}
.hero-cta { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats-row {
    display: flex; gap: 3rem; justify-content: center;
    align-items: center; padding-top: 2rem;
    max-width: 500px; margin: 0 auto; position: relative;
}
.hero-stats-row::before {
    content: '';
    position: absolute; top: 0; left: 15%; right: 15%;
    height: 1px; background: var(--border);
}
.hero-stat-item { display: flex; flex-direction: column; align-items: center; gap: 0.15rem; }
.hero-stat-val { font-size: 1.75rem; font-weight: 800; color: var(--brand); }
.hero-stat-lbl { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; color: var(--text-3); letter-spacing: 0.1em; }
.seo-content { display: none; }

.trust-grid-section {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 4rem;
}
@media (max-width: 1024px) { .trust-grid-section { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .trust-grid-section { grid-template-columns: 1fr; } }
.trust-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-xl); padding: 1.25rem;
    display: flex; align-items: center; gap: 1rem;
    transition: all 0.2s;
}
.trust-card:hover { border-color: var(--brand); background: var(--bg-2); }
.trust-icon-box {
    width: 44px; height: 44px; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.15rem; flex-shrink: 0;
    background: var(--bg-2); color: var(--brand);
}
.trust-info { display: flex; flex-direction: column; }
.trust-title { font-size: 0.9rem; font-weight: 700; color: var(--ink); margin: 0; line-height: 1.2; }
.trust-desc { font-size: 0.7rem; font-weight: 400; color: var(--text-3); margin: 0.2rem 0 0; line-height: 1.2; }

.exam-grid {
    display: grid; grid-template-columns: repeat(1, 1fr); gap: 1rem; margin-bottom: 3rem;
}
@media (min-width: 540px) { .exam-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .exam-grid { grid-template-columns: repeat(3, 1fr); } }

.exam-card {
    border: 1.5px solid var(--border-2); border-radius: var(--radius-2xl);
    padding: 1.75rem; cursor: pointer;
    transition: all 0.25s;
    background: var(--surface);
    position: relative;
    overflow: hidden;
}
.exam-card::before {
    content: '';
    position: absolute; top: 0; left: 1.75rem; right: 1.75rem;
    height: 3px; border-radius: 0 0 3px 3px;
    background: transparent; transition: background 0.25s;
}
.exam-card:hover { transform: translateY(-4px); }
.exam-card:hover { border-color: var(--brand); box-shadow: var(--shadow-md); }
.exam-icon-wrap {
    width: 48px; height: 48px; border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; margin-bottom: 1.25rem;
}
.exam-name {
    font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em;
    margin-bottom: 0.2rem; color: var(--ink);
}
.exam-count {
    font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-3); margin-bottom: 1.25rem;
}
.exam-progress-track { width: 100%; height: 4px; background: var(--bg-2); border-radius: var(--radius-full); overflow: hidden; }
.exam-progress-fill { height: 100%; border-radius: var(--radius-full); background: var(--brand); }
.exam-progress-label { font-size: 0.65rem; font-weight: 500; color: var(--text-3); margin-top: 0.5rem; text-align: right; }

.faq-section { margin: 4rem 0; max-width: 640px; margin-left: auto; margin-right: auto; }
.faq-heading {
    font-size: 0.65rem; font-weight: 600; letter-spacing: 0.2em;
    text-transform: uppercase; color: var(--text-3); margin-bottom: 0.25rem; text-align: center;
}
.faq-subtitle {
    font-size: 1.5rem; font-weight: 700;
    text-align: center; margin-bottom: 2rem;
    font-family: 'Unbounded', sans-serif; letter-spacing: -0.03em;
    color: var(--ink);
}
.faq-list { display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item {
    border: 1px solid var(--border); border-radius: var(--radius-lg);
    background: var(--surface); overflow: hidden; transition: all 0.2s;
}
.faq-item:hover { border-color: var(--brand); }
.faq-item.faq-open { border-color: var(--brand); background: rgba(77,201,246,0.04); }
.faq-question {
    width: 100%; display: flex; align-items: center;
    justify-content: space-between; padding: 1.25rem 1.5rem;
    background: none; border: none; cursor: pointer;
    font-size: 0.9rem; font-weight: 600; color: var(--ink);
    text-align: left; gap: 1rem;
}
.faq-icon { font-size: 1rem; color: var(--brand); flex-shrink: 0; transition: transform 0.3s; }
.faq-open .faq-icon { transform: rotate(45deg); }
.faq-answer {
    max-height: 0; overflow: hidden; padding: 0 1.5rem;
    font-size: 0.85rem; font-weight: 400; color: var(--text-2);
    line-height: 1.6; transition: all 0.3s;
}
.faq-open .faq-answer { max-height: 300px; padding: 0 1.5rem 1.25rem; }

.seo-links-section { border-top: 1px solid var(--border); padding-top: 2rem; margin-top: 1rem; }
.seo-links-title { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 1rem; }
.seo-links-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.seo-tag {
    padding: 0.35rem 0.85rem; background: var(--bg-2);
    border: 1px solid var(--border); border-radius: var(--radius-full);
    font-size: 0.7rem; font-weight: 500; color: var(--text-2);
    cursor: default; transition: all 0.2s;
}
.seo-tag:hover { border-color: var(--brand); color: var(--brand); }

.levels-title {
    font-family: 'Unbounded', sans-serif;
    font-size: clamp(1.6rem, 4vw, 2.25rem);
    font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.5rem;
    color: var(--ink);
}
.levels-subtitle { font-size: 0.85rem; color: var(--text-2); font-weight: 400; margin-bottom: 2rem; }
.levels-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }
@media (min-width: 480px) { .levels-grid { grid-template-columns: repeat(5, 1fr); } }
@media (min-width: 640px) { .levels-grid { grid-template-columns: repeat(6, 1fr); } }
@media (min-width: 900px) { .levels-grid { grid-template-columns: repeat(8, 1fr); } }
.level-card {
    background: var(--surface); border: 1.5px solid var(--border-2);
    border-radius: var(--radius-lg); padding: 0.875rem 0.5rem;
    cursor: pointer; text-align: center; transition: all 0.2s;
}
.level-card:hover { border-color: var(--brand); }
.level-card.mastered { background: rgba(16,185,129,0.12); border-color: var(--accent-mint); }
.level-num { font-size: 1.35rem; font-weight: 800; line-height: 1; margin-bottom: 0.2rem; color: var(--ink); }
.level-status { font-size: 0.55rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }

.quiz-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--border);
}
.quiz-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.badge {
    padding: 0.45rem 1.25rem;
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    background: var(--brand);
    font-family: 'Space Grotesk', sans-serif;
    box-shadow: var(--shadow-sm);
}
.quiz-level-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--brand);
    font-family: 'Space Grotesk', sans-serif;
}
.btn-exit {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-2);
    background: var(--surface);
    color: var(--text-3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    cursor: pointer;
}
.btn-exit:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: var(--white);
    transform: scale(1.05);
}
.quiz-card-wrap {
    position: relative;
    max-width: 840px;
    margin: 0 auto;
}
.progress-track {
    display: flex;
    gap: 6px;
    height: 6px;
    margin-bottom: 2rem;
}
.progress-dot {
    flex: 1;
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--border);
    transition: all 0.3s ease;
}
.progress-dot.done {
    background: var(--brand);
}
.progress-dot.current {
    background: var(--brand);
    transform: scaleY(1.3);
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
}
.quiz-card {
    background: var(--surface);
    border: 1.5px solid var(--brand);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    box-shadow: 0 15px 40px -12px rgba(0,0,0,0.06), 0 2px 8px -4px rgba(0,0,0,0.02);
    transition: all 0.2s ease;
}
.dark-mode .quiz-card {
    box-shadow: 0 15px 40px -12px rgba(0,0,0,0.5), 0 2px 8px -4px rgba(0,0,0,0.3);
}
@media (max-width: 640px) {
    .quiz-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
}
.question-text {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.2rem, 3.2vw, 1.55rem);
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 2.5rem;
    min-height: 80px;
    color: var(--ink);
}
.options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}
@media (min-width: 640px) {
    .options-grid {
        grid-template-columns: 1fr 1fr;
    }
}
.option-btn {
    width: 100%;
    text-align: left;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-xl);
    background: var(--surface);
    border: 1.5px solid var(--border-2);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text);
    transition: all 0.2s ease;
}
.option-btn:hover {
    border-color: var(--brand);
    background: var(--bg-2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.dark-mode .option-btn:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.option-btn:active {
    transform: translateY(0);
}
.option-btn.correct {
    border-color: var(--accent-mint) !important;
    background: rgba(16, 185, 129, 0.08) !important;
    color: var(--accent-mint) !important;
}
.option-btn.wrong {
    border-color: var(--accent-pink) !important;
    background: rgba(236, 72, 153, 0.06) !important;
    color: var(--accent-pink) !important;
}
.option-letter {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-2);
    border: 1px solid var(--border-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-3);
    transition: all 0.2s ease;
    font-family: 'Space Grotesk', sans-serif;
    flex-shrink: 0;
}
.option-btn:hover .option-letter {
    background: var(--brand);
    border-color: var(--brand);
    color: var(--white);
}
.option-btn.correct .option-letter {
    background: var(--accent-mint) !important;
    border-color: var(--accent-mint) !important;
    color: #ffffff !important;
}
.option-btn.wrong .option-letter {
    background: var(--accent-pink) !important;
    border-color: var(--accent-pink) !important;
    color: #ffffff !important;
}
.option-text {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
}
.explanation-panel {
    margin-top: 1.5rem;
}
.explanation-box {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-left: 4px solid var(--brand);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.exp-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--brand);
    margin-bottom: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
}
.exp-text {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-2);
    line-height: 1.7;
}

.results-container { max-width: 400px; margin: 3rem auto; text-align: center; }
.results-score-ring {
    border: 3px solid var(--brand); border-radius: var(--radius-full);
    width: 160px; height: 160px;
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; margin: 0 auto 2rem;
    box-shadow: 0 0 24px rgba(77,201,246,0.15);
}
.score-display { font-size: 3rem; font-weight: 800; color: var(--brand); line-height: 1; }
.score-label { font-size: 0.6rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; color: var(--text-3); margin-top: 0.25rem; }
.results-message { font-size: 1rem; font-weight: 500; color: var(--text-2); margin-bottom: 2rem; }
.results-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.modal-overlay {
    position: fixed; inset: 0; z-index: 300;
    background: rgba(0,0,0,0.5); display: flex;
    align-items: center; justify-content: center;
    padding: 1.5rem;
}
.modal-overlay.hidden { display: none; }
.modal-box {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-2xl); padding: 2.5rem 2rem;
    max-width: 360px; width: 100%; text-align: center;
}
.modal-icon-wrap {
    width: 72px; height: 72px; border-radius: var(--radius-full);
    background: var(--bg);
    color: var(--text);
    border: 3px solid var(--text);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.25rem;
}
.modal-icon { font-size: 1.75rem; color: inherit; }
.modal-title { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.75rem; color: var(--ink); }
.modal-quote { font-size: 0.85rem; font-weight: 400; color: var(--text-2); font-style: italic; line-height: 1.6; margin-bottom: 2rem; }

.site-footer {
    border-top: 1px solid var(--border);
    padding: 3rem 1.5rem; margin-top: 4rem;
}
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-brand {
    font-size: 1rem; font-weight: 700; margin-bottom: 0.75rem;
    font-family: 'Space Grotesk', sans-serif; color: var(--brand);
}
.footer-desc { font-size: 0.8rem; color: var(--text-2); font-weight: 400; max-width: 480px; margin: 0 auto 1.5rem; line-height: 1.6; }
.footer-social { display: flex; gap: 0.75rem; justify-content: center; margin-bottom: 1.5rem; }
.footer-social-link {
    width: 42px; height: 42px; border-radius: var(--radius-full);
    background: var(--bg-2); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-3); font-size: 1rem; text-decoration: none;
    transition: all 0.2s;
}
.footer-social-link:hover {
    background: var(--brand);
    color: var(--white);
    border-color: var(--brand);
}
.footer-links { font-size: 0.7rem; color: var(--text-4); font-weight: 500; margin-bottom: 1rem; line-height: 2; }
.footer-copy { font-size: 0.7rem; color: var(--text-4); }
.footer-copy a { color: var(--brand); text-decoration: none; }

/* ============================================================
   ECHO MUSIC COLOR SCHEME CARD UTILITIES (10% ACCENT COLORS)
   ============================================================ */
.bg-violet  { border-color: var(--border-2) !important; }
.bg-pink    { border-color: var(--border-2) !important; }
.bg-sky     { border-color: var(--border-2) !important; }
.bg-peach   { border-color: var(--border-2) !important; }
.bg-ochre   { border-color: var(--border-2) !important; }
.bg-mint    { border-color: var(--border-2) !important; }

/* Icon Box & Icon Wrap Accents */
.bg-violet .trust-icon-box, .bg-violet .exam-icon-wrap { background: rgba(139, 92, 246, 0.12) !important; color: var(--accent-violet) !important; }
.bg-pink .trust-icon-box, .bg-pink .exam-icon-wrap { background: rgba(236, 72, 153, 0.12) !important; color: var(--accent-pink) !important; }
.bg-sky .trust-icon-box, .bg-sky .exam-icon-wrap { background: rgba(14, 165, 233, 0.12) !important; color: var(--accent-sky) !important; }
.bg-peach .trust-icon-box, .bg-peach .exam-icon-wrap { background: rgba(249, 115, 22, 0.12) !important; color: var(--accent-peach) !important; }
.bg-ochre .trust-icon-box, .bg-ochre .exam-icon-wrap { background: rgba(234, 179, 8, 0.12) !important; color: var(--accent-ochre) !important; }
.bg-mint .trust-icon-box, .bg-mint .exam-icon-wrap { background: rgba(16, 185, 129, 0.12) !important; color: var(--accent-mint) !important; }

/* Progress Bar Fills Accents */
.bg-violet .exam-progress-fill { background: var(--accent-violet) !important; }
.bg-pink .exam-progress-fill { background: var(--accent-pink) !important; }
.bg-sky .exam-progress-fill { background: var(--accent-sky) !important; }
.bg-peach .exam-progress-fill { background: var(--accent-peach) !important; }
.bg-ochre .exam-progress-fill { background: var(--accent-ochre) !important; }
.bg-mint .exam-progress-fill { background: var(--accent-mint) !important; }

.hidden { display: none !important; }

@media (max-width: 768px) {
    .dashboard-header { padding: 60px 20px 40px; }
    .hero-stats-row { gap: 1.5rem; }
    .main-content-inner { padding: 0 1rem; }
}
@media (max-width: 480px) {
    .quiz-card { padding: 1.5rem 1.25rem; }
    .results-score-ring { width: 140px; height: 140px; }
    .score-display { font-size: 2.5rem; }
    .results-actions { flex-direction: column; align-items: center; }
    .btn-primary, .btn-secondary { width: 100%; }
    .nav-links { display: none; }
}

/* Stats Panel Section */
.stats-panel-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}
@media (max-width: 640px) {
    .stats-panel-section {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}
.stats-card {
    background: var(--surface);
    border: 1.5px solid var(--border-2);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s;
}
.stats-card:hover {
    transform: translateY(-2px);
}
.stats-val {
    display: block;
    font-family: 'Unbounded', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--brand);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}
.stats-lbl {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-3);
    letter-spacing: 0.1em;
}

/* Daily Challenge Card */
.daily-challenge-section {
    margin-bottom: 2.5rem;
}
.daily-card {
    background: var(--bg-2);
    border: 2px solid var(--brand);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s;
}
.daily-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
@media (max-width: 640px) {
    .daily-card {
        flex-direction: column;
        align-items: stretch;
        padding: 1.5rem;
    }
}
.daily-info {
    flex: 1;
}
.daily-badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: var(--brand);
    color: var(--white);
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
    font-family: 'Space Grotesk', sans-serif;
}
.daily-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 850;
    color: var(--brand);
    margin-bottom: 0.25rem;
}
.daily-desc {
    font-size: 0.85rem;
    color: var(--text-2);
}

/* Review Mode */
.review-questions-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 1.5rem;
}
.review-q-card {
    background: var(--surface);
    border: 1.5px solid var(--border-2);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}
.review-q-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    color: var(--ink);
}
.review-opt-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
@media (min-width: 640px) {
    .review-opt-list {
        grid-template-columns: 1fr 1fr;
    }
}
.review-opt-btn {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-xl);
    background: var(--surface);
    border: 1px solid var(--border-2);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    pointer-events: none;
}
.review-opt-btn.correct {
    border-color: var(--accent-mint) !important;
    background: rgba(16, 185, 129, 0.08) !important;
    color: var(--accent-mint) !important;
}
.review-opt-btn.wrong {
    border-color: var(--accent-pink) !important;
    background: rgba(236, 72, 153, 0.06) !important;
    color: var(--accent-pink) !important;
}
.review-opt-btn.correct .option-letter {
    background: var(--accent-mint) !important;
    border-color: var(--accent-mint) !important;
    color: #ffffff !important;
}
.review-opt-btn.wrong .option-letter {
    background: var(--accent-pink) !important;
    border-color: var(--accent-pink) !important;
    color: #ffffff !important;
}
.review-exp-box {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-left: 4px solid var(--brand);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
}