/* ========================================
   毒舌メイド・リリス - Landing Page CSS
   Dark, elegant theme with purple accents
   ======================================== */

:root {
    /* Colors */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: #1a1a25;
    --color-text: #e8e8f0;
    --color-text-muted: #8888a0;
    --color-primary: #9b59b6;
    --color-primary-dark: #7d3c98;
    --color-primary-light: #bb8fce;
    --color-accent: #e74c3c;
    --color-gold: #f1c40f;
    --color-discord: #5865f2;
    --color-ofuse: #ff6b6b;
    --color-fantia: #fc4d50;
    --color-patreon: #f96854;

    /* Typography */
    --font-body: 'Noto Sans JP', sans-serif;
    --font-display: 'Cinzel', serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Borders */
    --border-radius: 8px;
    --border-radius-lg: 16px;

    /* Transitions */
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-primary);
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Section Title */
.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary-light);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin: var(--spacing-sm) auto 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(155, 89, 182, 0.4);
    color: white;
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
}

.btn-outline {
    background: transparent;
    border-color: var(--color-text-muted);
    color: var(--color-text);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

.btn-discord {
    background: var(--color-discord);
    color: white;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-discord:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(88, 101, 242, 0.4);
    color: white;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(155, 89, 182, 0.15) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
    padding: var(--spacing-lg) var(--spacing-md);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%239b59b620"/></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.title-sub {
    display: block;
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0.3em;
    margin-bottom: var(--spacing-xs);
}

.title-main {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 6rem);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px rgba(155, 89, 182, 0.5);
}

.hero-tagline {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    animation: float 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(45deg);
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    gap: var(--spacing-lg);
}

.about-intro {
    font-size: 1.125rem;
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.about-traits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.trait {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-primary);
}

.trait-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.trait-content h4 {
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-xs);
}

.trait-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.about-quote {
    margin-top: var(--spacing-lg);
}

.about-quote blockquote {
    font-size: 1.25rem;
    font-style: italic;
    text-align: center;
    color: var(--color-text-muted);
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--spacing-xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 40px rgba(155, 89, 182, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.pricing-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, rgba(155, 89, 182, 0.1), transparent);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-xs);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
}

.price span {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.pricing-features {
    list-style: none;
    margin: var(--spacing-md) 0;
    text-align: left;
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-muted);
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

/* ========================================
   Discord Section
   ======================================== */
.discord {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(88, 101, 242, 0.1), transparent);
}

.discord-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.discord-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-discord);
}

.discord-icon svg {
    width: 100%;
    height: 100%;
}

.discord h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.discord p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Support Section
   ======================================== */
.support {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.support-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.support-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.support-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
    color: var(--color-text);
}

.support-card:hover {
    transform: translateY(-5px);
}

.support-card.ofuse:hover {
    border-color: var(--color-ofuse);
    box-shadow: 0 20px 40px rgba(255, 107, 107, 0.2);
}

.support-card.fantia:hover {
    border-color: var(--color-fantia);
    box-shadow: 0 20px 40px rgba(252, 77, 80, 0.2);
}

.support-card.patreon:hover {
    border-color: var(--color-patreon);
    box-shadow: 0 20px 40px rgba(249, 104, 84, 0.2);
}

.support-logo {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.support-icon {
    font-size: 3rem;
}

.support-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.support-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.support-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    transition: var(--transition);
}

.support-card.ofuse .support-btn {
    background: var(--color-ofuse);
    color: white;
}

.support-card.fantia .support-btn {
    background: var(--color-fantia);
    color: white;
}

.support-card.patreon .support-btn {
    background: var(--color-patreon);
    color: white;
}

.support-note {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: var(--spacing-xl) 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-item summary {
    padding: var(--spacing-md);
    cursor: pointer;
    font-weight: 700;
    color: var(--color-primary-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-muted);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--spacing-lg) 0 var(--spacing-md);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-bg-card);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    color: var(--color-primary-light);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--color-primary-light);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border-radius: 50%;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-bg-card);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.footer-disclaimer {
    font-size: 0.75rem;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .support-platforms {
        grid-template-columns: 1fr;
    }

    .footer-content {
        text-align: center;
    }

    .footer-links {
        align-items: center;
    }

    .footer-social {
        justify-content: center;
    }
}