/* ==========================================================================
   Loto Oracle CSS Stylesheet
   ========================================================================== */

/* Variables & Design Tokens */
:root {
    --bg-main: #070b13;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    
    --primary-grad: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
    --secondary-grad: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    --bg-grad-dark: radial-gradient(circle at 50% 0%, #1e1b4b 0%, #070b13 70%);
    
    --gold: #fbbf24;
    --gold-hover: #f59e0b;
    --green-accent: #34d399;
    --red-accent: #f87171;
    
    --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
    --font-display: 'Outfit', 'Inter', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-main);
    background-image: var(--bg-grad-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Typography Hierarchy */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.25;
}

/* Header Styling */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: rgba(7, 11, 19, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--bg-card-border);
    z-index: 100;
    display: flex;
    align-items: center;
}

.header-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon-img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    box-shadow: 0 0 12px rgba(251, 191, 36, 0.45);
    display: block;
}

.logo-text {
    font-size: 1.4rem;
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: -0.025em;
    background: var(--primary-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-cta-btn {
    background: var(--primary-grad);
    color: #070b13;
    padding: 10px 20px;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
    transition: var(--transition-smooth);
}

.header-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.5);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 140px 0 80px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.25;
}

.orb-1 {
    top: 10%;
    left: 15%;
    width: 350px;
    height: 350px;
    background: #fbbf24;
}

.orb-2 {
    bottom: 20%;
    right: 15%;
    width: 400px;
    height: 400px;
    background: #6366f1;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    color: var(--gold);
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.gradient-text {
    background: var(--primary-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 540px;
}

/* Download Store Buttons */
.download-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    width: 100%;
}

.store-badge-btn {
    display: inline-block;
    transition: var(--transition-smooth);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    height: 48px;
    width: 145px;
    flex-shrink: 0;
}

.store-badge-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.3);
}

.store-badge-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.store-badge-btn svg {
    display: block;
    width: 100%;
    height: auto;
}

.app-stats {
    display: flex;
    gap: 32px;
    border-top: 1px solid var(--bg-card-border);
    padding-top: 24px;
    width: 100%;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Interactive Widget Card */
.hero-widget-area {
    display: flex;
    justify-content: center;
}

.widget-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 32px;
    border-radius: 24px;
    box-shadow: var(--shadow-premium);
    width: 100%;
    max-width: 440px;
}

.widget-header {
    margin-bottom: 24px;
}

.widget-header h3 {
    font-size: 1.3rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.widget-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.widget-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 8px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 8px 14px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border-bottom: 3px solid transparent;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
}

.number-inputs {
    display: grid;
    gap: 8px;
    margin-bottom: 20px;
}

.number-inputs.cols-5 {
    grid-template-columns: repeat(5, 1fr);
}

.number-inputs.cols-6 {
    grid-template-columns: repeat(6, 1fr);
}

.number-inputs.cols-7 {
    grid-template-columns: repeat(7, 1fr);
}

.num-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    height: 52px;
    width: 100%;
    text-align: center;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.num-input:focus {
    outline: none;
    border-color: var(--gold);
    background: rgba(251, 191, 36, 0.05);
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.2);
}

/* Chrome/Safari/Opera number input arrows removal */
.num-input::-webkit-outer-spin-button,
.num-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox number input arrows removal */
.num-input[type=number] {
    -moz-appearance: textfield;
}

.btn-diagnose {
    background: var(--secondary-grad);
    color: var(--text-primary);
    border: none;
    border-radius: 12px;
    width: 100%;
    height: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    transition: var(--transition-smooth);
    margin-bottom: 12px;
}

.btn-diagnose:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.random-generator-container {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    border-radius: 8px;
    padding: 6px 16px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* Result Area in Widget */
.result-area {
    border-top: 1px dashed rgba(255, 255, 255, 0.15);
    padding-top: 24px;
    animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-score-container {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 20px;
}

.score-circle {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-ring {
    position: absolute;
    top: 0;
    left: 0;
    transform: rotate(-90deg);
}

.score-value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--gold);
}

.score-label-container {
    flex: 1;
}

.score-grade {
    font-size: 1.4rem;
    color: var(--gold);
    margin-bottom: 4px;
}

.score-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.details-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border-left: 3px solid var(--gold);
}

.detail-name {
    color: var(--text-secondary);
}

.detail-status {
    font-weight: 600;
    color: var(--text-primary);
}

.result-footer-cta {
    background: rgba(251, 191, 36, 0.05);
    border: 1px solid rgba(251, 191, 36, 0.15);
    border-radius: 12px;
    padding: 16px;
    font-size: 0.8rem;
    text-align: center;
}

.result-footer-cta p {
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.result-footer-cta strong {
    color: var(--gold);
}

.btn-small-download {
    display: inline-block;
    background: var(--primary-grad);
    color: #070b13;
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    font-weight: 700;
    transition: var(--transition-smooth);
}

.btn-small-download:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(251, 191, 36, 0.3);
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: rgba(7, 11, 19, 0.5);
    border-top: 1px solid var(--bg-card-border);
    border-bottom: 1px solid var(--bg-card-border);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 20px;
    padding: 32px 24px;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(251, 191, 36, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* SEO Article Section */
.seo-article-section {
    padding: 80px 0;
}

.seo-article {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 24px;
    padding: 48px;
}

.seo-article h2 {
    font-size: 1.8rem;
    margin-bottom: 24px;
    text-align: center;
}

.seo-article h3 {
    font-size: 1.25rem;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--gold);
    border-left: 4px solid var(--gold);
    padding-left: 12px;
}

.seo-article p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.seo-article strong {
    color: var(--text-primary);
}

.article-conclusion {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
    margin-top: 32px;
}

/* Footer Section */
.footer {
    background: #03060c;
    border-top: 1px solid var(--bg-card-border);
    padding: 60px 0 30px 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 30px;
    margin-bottom: 30px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-disclaimer {
    background: rgba(248, 113, 113, 0.03);
    border: 1px solid rgba(248, 113, 113, 0.1);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 40px;
}

.footer-disclaimer h4 {
    color: var(--red-accent);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-disclaimer p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
}

.footer-disclaimer p:last-child {
    margin-bottom: 0;
}

.footer-bottom {
    display: flex;
    justify-content: center;
}

.copyright {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-subtitle {
        max-width: 100%;
    }
    
    .download-buttons {
        justify-content: center;
    }
    
    .app-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.3rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .seo-article {
        padding: 24px;
    }
    
    .footer-top {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .widget-card {
        padding: 20px 16px;
    }
    .num-input {
        height: 46px;
        font-size: 1.15rem;
        border-radius: 8px;
    }
    .widget-tabs {
        gap: 4px;
        margin-bottom: 16px;
    }
    .tab-btn {
        font-size: 0.85rem;
        padding: 6px 10px;
    }
    .detail-item {
        font-size: 0.8rem;
        padding: 6px 10px;
    }
    .result-score-container {
        gap: 16px;
    }
    .score-circle {
        width: 100px;
        height: 100px;
    }
    .progress-ring {
        width: 100px;
        height: 100px;
    }
    .progress-ring__circle-bg,
    .progress-ring__circle {
        r: 40;
        cx: 50;
        cy: 50;
        stroke-width: 6;
    }
    .score-value {
        font-size: 1.8rem;
    }
}

/* App Download Section */
.app-download-section {
    padding: 80px 0;
    text-align: center;
}

.download-card {
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15) 0%, rgba(7, 11, 19, 0.8) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 48px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-premium);
}

.download-card h2 {
    font-size: 2rem;
    margin-bottom: 16px;
    background: var(--primary-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.download-card p {
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto 32px auto;
    font-size: 1rem;
    line-height: 1.7;
}

.download-buttons.center {
    justify-content: center;
}

/* Placeholder styling inside result area to prevent layout shift */
.result-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    text-align: center;
    border-top: 1px dashed rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    min-height: 310px; /* Maintain height similar to actual results */
}

.placeholder-icon {
    font-size: 2.8rem;
    margin-bottom: 16px;
    opacity: 0.5;
    animation: placeholderPulse 2s infinite ease-in-out;
}

@keyframes placeholderPulse {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.08); opacity: 0.7; }
}

.result-placeholder p {
    font-size: 0.85rem;
    line-height: 1.6;
}

.result-content {
    animation: fadeIn 0.4s ease-out forwards;
}

/* Premium Features Spotlight Section */
.premium-section {
    padding: 100px 0;
    border-bottom: 1px solid var(--bg-card-border);
    background: radial-gradient(circle at 50% 100%, rgba(251, 191, 36, 0.03) 0%, rgba(7, 11, 19, 0) 60%);
}

.premium-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 80px;
}

.premium-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 576px;
    border: 12px solid #1f2937;
    border-radius: 40px;
    background: #000;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 30px rgba(251, 191, 36, 0.12);
    overflow: hidden;
    margin-bottom: 16px;
    transition: var(--transition-smooth);
}

.phone-mockup:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.8), 0 0 40px rgba(251, 191, 36, 0.2);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 110px;
    height: 18px;
    background: #1f2937;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.showcase-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.premium-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.premium-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 20px;
    padding: 28px;
    display: flex;
    gap: 20px;
    transition: var(--transition-smooth);
}

.premium-card:hover {
    transform: translateY(-2px);
    border-color: rgba(251, 191, 36, 0.2);
}

.premium-icon-box {
    font-size: 2rem;
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.2);
    border-radius: 16px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.premium-text-box h3 {
    font-size: 1.25rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.card-status-badge {
    display: inline-block;
    background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
    color: #070b13;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 10px;
    letter-spacing: 0.05em;
    vertical-align: middle;
}

.premium-text-box p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.premium-cta-card {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.04) 0%, rgba(99, 102, 241, 0.04) 100%);
    border: 1px solid rgba(251, 191, 36, 0.15);
    border-radius: 20px;
    padding: 28px;
    text-align: center;
    transition: var(--transition-smooth);
}

.premium-cta-card:hover {
    border-color: rgba(251, 191, 36, 0.3);
}

.premium-cta-card h4 {
    font-size: 1.1rem;
    color: var(--gold);
    margin-bottom: 8px;
}

.premium-cta-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.btn-premium-download {
    display: inline-block;
    background: var(--primary-grad);
    color: #070b13;
    padding: 12px 32px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
}

.btn-premium-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.5);
}

/* Banner section style */
.banner-wrapper {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 60px;
    margin-top: 60px;
    text-align: center;
}

.banner-wrapper h3 {
    font-size: 1.4rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.features-banner-container {
    background: rgba(17, 24, 39, 0.4);
    border: 1px solid var(--bg-card-border);
    padding: 12px;
    border-radius: 24px;
    max-width: 900px;
    margin: 0 auto 20px auto;
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.features-banner-container:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.1);
}

.features-banner-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    object-fit: cover;
}

.banner-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Premium Responsive Styles */
@media (max-width: 1024px) {
    .premium-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .premium-showcase {
        order: 1; /* Mockup below descriptions on medium screens */
    }
}

/* ==========================================================================
   Lucky Day Calendar Section
   ========================================================================== */
.lucky-calendar-section {
    padding: 100px 0;
    border-bottom: 1px solid var(--bg-card-border);
    position: relative;
}

.calendar-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: start;
    margin-top: 40px;
}

/* Left: Detail Card */
.calendar-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow-premium);
    min-height: 440px;
    display: flex;
    flex-direction: column;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.detail-date-label {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.detail-rokuyou-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 4px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    border: 1px solid transparent;
}

.detail-rokuyou-badge.daian {
    background: rgba(248, 113, 113, 0.2);
    color: var(--red-accent);
    border: 1px solid rgba(248, 113, 113, 0.4);
}

.detail-rokuyou-badge.butsumetsu {
    background: rgba(156, 163, 175, 0.2);
    color: #9ca3af;
    border: 1px solid rgba(156, 163, 175, 0.4);
}

.special-banners {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.special-banner {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.special-banner.super-lucky {
    background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
    color: #070b13;
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.4);
}

.special-banner.money-lucky {
    background: linear-gradient(135deg, #f59e0b 0%, #b45309 100%);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.special-banner.fujojubi-warning {
    background: rgba(248, 113, 113, 0.15);
    color: var(--red-accent);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.lucky-events-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    flex-grow: 1;
}

.event-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: rgba(255, 255, 255, 0.02);
    padding: 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.event-badge {
    background: rgba(251, 191, 36, 0.15);
    color: var(--gold);
    border: 1px solid rgba(251, 191, 36, 0.3);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
}

.event-badge.fujojubi {
    background: rgba(248, 113, 113, 0.15);
    color: var(--red-accent);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.event-badge.rokuyou {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.event-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.lucky-advice-box {
    background: rgba(251, 191, 36, 0.03);
    border: 1px dashed rgba(251, 191, 36, 0.2);
    border-radius: 12px;
    padding: 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.lucky-advice-box p {
    margin: 0;
}

/* Right: Calendar Card */
.calendar-view-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow-premium);
}

.calendar-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 0.9rem;
}

.nav-btn:hover {
    background: rgba(251, 191, 36, 0.1);
    border-color: var(--gold);
    color: var(--gold);
}

.current-month-label {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
}

.calendar-grid-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    text-align: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.calendar-grid-header div:first-child {
    color: var(--red-accent);
}

.calendar-grid-header div:last-child {
    color: #60a5fa;
}

.calendar-days-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day-cell {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.calendar-day-cell:hover {
    background: rgba(251, 191, 36, 0.05);
    border-color: rgba(251, 191, 36, 0.2);
}

.calendar-day-cell.empty {
    background: transparent;
    border: none;
    cursor: default;
    pointer-events: none;
}

.calendar-day-cell.today {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.4);
}

.calendar-day-cell.selected {
    background: rgba(251, 191, 36, 0.15) !important;
    border-color: var(--gold) !important;
    box-shadow: 0 0 12px rgba(251, 191, 36, 0.2);
}

.day-number {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.day-rokuyou {
    font-size: 0.7rem;
    color: var(--text-secondary);
    align-self: flex-end;
}

.calendar-day-cell.sunday .day-number {
    color: var(--red-accent);
}

.calendar-day-cell.saturday .day-number {
    color: #60a5fa;
}

/* Indicators container */
.day-indicators {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: 4px;
    height: 6px;
}

.dot-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.dot-indicator.lucky {
    background-color: var(--gold);
    box-shadow: 0 0 4px var(--gold);
}

.dot-indicator.fujojubi {
    background-color: var(--red-accent);
    box-shadow: 0 0 4px var(--red-accent);
}

@media (max-width: 1024px) {
    .calendar-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: rgba(7, 11, 19, 0.3);
    border-top: 1px solid var(--bg-card-border);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 16px;
    padding: 20px 24px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: rgba(251, 191, 36, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.faq-question h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-toggle-icon {
    font-size: 1.2rem;
    color: var(--gold);
    font-weight: bold;
    transition: var(--transition-smooth);
}

.faq-item.active .faq-toggle-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding-top 0.3s ease;
    padding-top: 0;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-top: 16px;
    transition: max-height 0.3s cubic-bezier(0.99, 0, 0, 0.99), padding-top 0.3s ease;
}

.faq-answer p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .faq-section {
        padding: 60px 0;
    }
    .faq-item {
        padding: 16px 20px;
    }
    .faq-question h4 {
        font-size: 0.95rem;
    }
}

/* CSV Data Download Section */
.data-download-section {
    padding: 80px 0;
    background: radial-gradient(circle at 50% 100%, rgba(251, 191, 36, 0.05) 0%, rgba(7, 11, 19, 0) 70%);
    border-top: 1px solid var(--bg-card-border);
}

.download-card-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: 24px;
    padding: 48px;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.download-card-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-grad);
}

.download-card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin: 16px 0 32px 0;
}

.download-action-container {
    display: flex;
    justify-content: center;
}

.btn-csv-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--primary-grad);
    color: #070b13;
    padding: 16px 36px;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
    transition: var(--transition-smooth);
}

.btn-csv-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.5);
}

.btn-csv-download .btn-icon {
    font-size: 1.25rem;
}

@media (max-width: 768px) {
    .data-download-section {
        padding: 60px 0;
    }
    .download-card-wrapper {
        padding: 32px 20px;
    }
    .btn-csv-download {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
        font-size: 0.95rem;
    }
}