/* ========================================
   NihonGo! — Homepage Styles
   ======================================== */

/* ─── HERO SECTION ─── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    z-index: 1;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -30%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 40px 24px;
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-glow 2s ease infinite;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

/* Hero Widget - Mock Test Card */
.hero-widget {
    animation: slideInRight 0.8s ease 0.2s both;
}

.mock-test-card {
    padding: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(168, 85, 247, 0.05);
}

.mock-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.mock-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mock-title-row h3 {
    font-size: 1rem;
    font-weight: 700;
}

.mock-icon {
    font-size: 1.2rem;
}

.mock-timer {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(168, 85, 247, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--purple);
}

.level-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    padding: 4px;
    background: var(--surface);
    border-radius: var(--radius-md);
}

.level-tab {
    flex: 1;
    padding: 8px 4px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    text-align: center;
}

.level-tab:hover {
    color: var(--text-primary);
    background: var(--surface-hover);
}

.level-tab.active {
    background: var(--gradient-purple-pink);
    color: white;
    box-shadow: 0 2px 8px rgba(168, 85, 247, 0.3);
}

.mock-question {
    margin-bottom: 16px;
    padding: 16px;
    background: var(--surface);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--purple);
}

.question-number {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 500;
}

.question-text {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.6;
}

.jp-highlight {
    color: var(--pink);
    font-weight: 700;
}

.mock-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.option-label:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.option-label input {
    display: none;
}

.option-label input:checked + .option-marker {
    background: var(--gradient-purple-pink);
    color: white;
    border-color: transparent;
}

.option-label input:checked ~ .option-text {
    color: var(--text-primary);
}

.option-label:has(input:checked) {
    border-color: var(--purple);
    background: rgba(168, 85, 247, 0.08);
}

.option-marker {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.option-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

/* Correct/Wrong Feedback */
.option-label.correct {
    border-color: var(--green) !important;
    background: rgba(34, 197, 94, 0.1) !important;
}

.option-label.correct .option-marker {
    background: var(--green) !important;
    color: white !important;
    border-color: transparent !important;
}

.option-label.wrong {
    border-color: var(--red) !important;
    background: rgba(239, 68, 68, 0.1) !important;
}

.option-label.wrong .option-marker {
    background: var(--red) !important;
    color: white !important;
    border-color: transparent !important;
}

/* Floating Characters */
.hero-float-chars {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.float-char {
    position: absolute;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(168, 85, 247, 0.06);
    animation: float 6s ease-in-out infinite;
}

.fc-1 { top: 15%; right: 5%; animation-delay: 0s; }
.fc-2 { top: 60%; right: 10%; animation-delay: 1s; font-size: 2.5rem; color: rgba(236, 72, 153, 0.06); }
.fc-3 { bottom: 20%; left: 5%; animation-delay: 2s; font-size: 4rem; color: rgba(6, 182, 212, 0.05); }
.fc-4 { top: 25%; left: 15%; animation-delay: 3s; font-size: 2rem; }
.fc-5 { bottom: 30%; right: 25%; animation-delay: 4s; font-size: 3.5rem; color: rgba(245, 158, 11, 0.05); }

/* ─── PROBLEM vs SOLUTION ─── */
.problem-solution {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.comparison-table {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.comp-col {
    padding: 16px 24px;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
}

.comp-problem {
    background: rgba(239, 68, 68, 0.1);
    color: var(--red);
}

.comp-solution {
    background: rgba(34, 197, 94, 0.1);
    color: var(--green);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--border);
}

.comp-cell {
    padding: 20px 24px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.comp-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.problem-cell {
    background: rgba(239, 68, 68, 0.03);
    border-right: 1px solid var(--border);
}

.solution-cell {
    background: rgba(34, 197, 94, 0.03);
}

/* ─── FEATURE GRID ─── */
.features {
    background: var(--bg-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.feature-card {
    padding: 32px;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.feature-tags {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.feature-tags span:not(.tag-dot) {
    padding: 3px 10px;
    background: var(--surface);
    border-radius: var(--radius-full);
}

.tag-dot {
    color: var(--text-muted);
}

/* ─── TESTIMONIALS ─── */
.testimonials {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.testimonial-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
    align-items: start;
}

.testimonial-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.testimonial-card {
    padding: 24px;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 8px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.testimonial-info h4 {
    font-size: 1rem;
    font-weight: 700;
}

.testimonial-location {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.testimonial-org {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding-left: 62px;
}

.testimonial-quote {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
    padding-left: 16px;
    border-left: 2px solid var(--purple);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-card {
    padding: 24px 16px;
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ─── TRUST BADGES ─── */
.trust-badges {
    position: relative;
    z-index: 1;
    padding: 32px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(168, 85, 247, 0.02);
}

.trust-row {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ─── SKILL PROGRESS ─── */
.skill-progress {
    background: var(--bg-primary);
}

.skill-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 40px;
    align-items: start;
}

.skill-bars-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.skill-bar-item {
    animation: fadeInUp 0.5s ease both;
}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.skill-name {
    font-size: 0.95rem;
    font-weight: 600;
}

.skill-percent {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-bar-track {
    height: 12px;
    background: var(--surface);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.skill-bar-fill {
    height: 100%;
    width: var(--fill-width);
    background: linear-gradient(90deg, var(--bar-color), color-mix(in srgb, var(--bar-color) 70%, white));
    border-radius: var(--radius-full);
    position: relative;
    animation: fillBar 1.5s ease both;
    box-shadow: 0 0 10px color-mix(in srgb, var(--bar-color) 50%, transparent);
}

/* Countdown Widget */
.countdown-widget {
    padding: 32px;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
}

.countdown-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.countdown-date {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.countdown-boxes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.countdown-box {
    padding: 16px 8px;
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.cd-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.cd-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

.countdown-note {
    font-size: 0.9rem;
    color: var(--amber);
    font-weight: 600;
}

/* ─── FINAL CTA ─── */
.final-cta {
    position: relative;
    z-index: 1;
    padding: 80px 0;
}

.cta-banner {
    padding: 60px 48px;
    position: relative;
    overflow: hidden;
    text-align: center;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.08), rgba(236, 72, 153, 0.05), rgba(6, 182, 212, 0.05)) !important;
    border: 1px solid rgba(168, 85, 247, 0.15) !important;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-decoration {
    position: absolute;
    bottom: -20px;
    right: 20px;
    display: flex;
    gap: 10px;
    opacity: 0.06;
    pointer-events: none;
}

.cta-char {
    font-size: 8rem;
    font-weight: 900;
    line-height: 1;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-widget {
        max-width: 450px;
    }
    
    .testimonial-layout {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .skill-layout {
        grid-template-columns: 1fr;
    }
    
    .countdown-widget {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-cta-group {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .problem-cell {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .trust-row {
        gap: 20px;
    }
    
    .cta-banner {
        padding: 40px 24px;
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 0.75rem;
    }
    
    .level-tabs {
        gap: 3px;
    }
    
    .level-tab {
        padding: 6px 2px;
        font-size: 0.75rem;
    }
    
    .countdown-boxes {
        grid-template-columns: repeat(2, 1fr);
    }
}