/* ==========================================
   大人の本棚プロジェクト - Style Sheet
   ========================================== */

/* CSS Variables */
:root {
    /* Colors - Sophisticated Dark Theme with Warm Accents */
    --color-bg-primary: #0D0D0D;
    --color-bg-secondary: #1A1A1A;
    --color-bg-tertiary: #252525;
    --color-bg-card: #1F1F1F;
    
    --color-accent-gold: #C9A962;
    --color-accent-gold-light: #E5D4A1;
    --color-accent-gold-dark: #8B7355;
    --color-accent-copper: #B87333;
    --color-accent-cream: #F5F0E6;
    
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #A3A3A3;
    --color-text-muted: #666666;
    
    --color-success: #4CAF50;
    --color-error: #E57373;
    
    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #C9A962 0%, #E5D4A1 50%, #C9A962 100%);
    --gradient-dark: linear-gradient(180deg, #1A1A1A 0%, #0D0D0D 100%);
    --gradient-warm: linear-gradient(135deg, #B87333 0%, #C9A962 100%);
    --gradient-cool: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
    --gradient-hero: linear-gradient(135deg, rgba(13,13,13,0.95) 0%, rgba(26,26,26,0.9) 100%);
    
    /* Typography */
    --font-primary: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
    --font-accent: 'Shippori Mincho', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 30px rgba(201,169,98,0.3);
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

a {
    color: var(--color-accent-gold);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-gold-light);
}

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

/* ==========================================
   Header & Navigation
   ========================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13,13,13,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(201,169,98,0.1);
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    background: rgba(13,13,13,0.98);
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-accent);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.logo i {
    color: var(--color-accent-gold);
    font-size: 1.6rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: width var(--transition-normal);
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(201,169,98,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(184,115,51,0.05) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(201,169,98,0.03) 0%, transparent 40%);
    z-index: 0;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(201,169,98,0.1);
    border: 1px solid rgba(201,169,98,0.3);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-md);
}

.hero-badge i {
    font-size: 1rem;
}

.hero-title {
    font-family: var(--font-accent);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}

.title-line {
    display: block;
}

.title-accent {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: var(--spacing-xl);
}

.hero-subtitle strong {
    color: var(--color-accent-gold-light);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(201,169,98,0.2);
    border-bottom: 1px solid rgba(201,169,98,0.2);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-accent);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent-gold);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

.hero-cta {
    text-align: left;
}

.btn-primary-hero {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-gold);
    color: var(--color-bg-primary);
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.btn-primary-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(201,169,98,0.5);
}

.cta-note {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.book-stack {
    position: relative;
    width: 400px;
    height: 400px;
}

.floating-book {
    position: absolute;
    width: 120px;
    height: 160px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.book-1 {
    background: linear-gradient(135deg, #8B4513 0%, #A0522D 100%);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.book-2 {
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5282 100%);
    top: 30%;
    left: 40%;
    animation-delay: -2s;
    transform: rotate(5deg);
}

.book-3 {
    background: linear-gradient(135deg, #2D3748 0%, #4A5568 100%);
    top: 50%;
    left: 25%;
    animation-delay: -4s;
    transform: rotate(-5deg);
}

.book-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(201,169,98,0.3) 0%, transparent 70%);
    filter: blur(40px);
    animation: pulse 4s ease-in-out infinite;
}

/* Hero Image Wrapper */
.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(201,169,98,0.2) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
}

.hero-img {
    width: 100%;
    height: auto;
    display: block;
    filter: brightness(0.9);
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(var(--rotation, 0deg)); }
    50% { transform: translateY(-20px) rotate(var(--rotation, 0deg)); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-accent-gold);
    font-size: 1.5rem;
    animation: bounce 2s ease-in-out infinite;
}

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

/* ==========================================
   Section Styles
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header.light {
    color: var(--color-text-primary);
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-accent-gold);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-accent);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   About Section
   ========================================== */
.section-about {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
}

.content-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.content-block:last-child {
    margin-bottom: 0;
}

.content-lr .content-image {
    order: 1;
}

.content-lr .content-text {
    order: 2;
}

.content-rl .content-image {
    order: 2;
}

.content-rl .content-text {
    order: 1;
}

.content-image .image-placeholder {
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-text-primary);
    font-family: var(--font-accent);
    font-size: 1.2rem;
}

.image-placeholder i {
    font-size: 4rem;
    opacity: 0.9;
}

.gradient-warm {
    background: var(--gradient-warm);
}

.gradient-cool {
    background: var(--gradient-cool);
}

/* Actual Image Styles */
.content-img {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.content-text h3 {
    font-family: var(--font-accent);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-gold-light);
}

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

.feature-list {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.feature-list i {
    color: var(--color-accent-gold);
    margin-top: 4px;
}

.quote-box {
    position: relative;
    padding: var(--spacing-lg);
    background: rgba(201,169,98,0.1);
    border-left: 4px solid var(--color-accent-gold);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
}

.quote-box i {
    color: var(--color-accent-gold);
    opacity: 0.5;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.quote-box p {
    font-family: var(--font-accent);
    font-style: italic;
    color: var(--color-accent-cream);
    margin-bottom: 0;
}

/* ==========================================
   Finance Special Section
   ========================================== */
.section-finance {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
    position: relative;
}

.section-finance::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(201,169,98,0.03) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(201,169,98,0.03) 0%, transparent 30%);
    pointer-events: none;
}

.finance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.finance-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(201,169,98,0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-normal);
}

.finance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.finance-card:hover {
    transform: translateY(-5px);
    border-color: rgba(201,169,98,0.4);
    box-shadow: var(--shadow-lg);
}

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

.finance-card.featured {
    border-color: rgba(201,169,98,0.4);
    background: linear-gradient(135deg, rgba(201,169,98,0.05) 0%, var(--color-bg-card) 100%);
}

.finance-card.featured::before {
    opacity: 1;
}

.finance-badge {
    position: absolute;
    top: -10px;
    right: var(--spacing-md);
    background: var(--gradient-gold);
    color: var(--color-bg-primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-xl);
}

.finance-icon {
    width: 50px;
    height: 50px;
    background: rgba(201,169,98,0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.finance-icon i {
    font-size: 1.3rem;
    color: var(--color-accent-gold);
}

.finance-card h4 {
    font-family: var(--font-accent);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.finance-card > p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.finance-topics {
    list-style: none;
    margin-bottom: var(--spacing-md);
    padding-left: 0;
}

.finance-topics li {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding-left: 1.2rem;
    position: relative;
    margin-bottom: 6px;
}

.finance-topics li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-accent-gold);
    border-radius: 50%;
}

.finance-card .book-count {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--radius-xl);
}

.finance-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(201,169,98,0.05);
    border: 1px solid rgba(201,169,98,0.2);
    border-radius: var(--radius-lg);
}

.finance-cta p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.finance-cta strong {
    color: var(--color-accent-gold);
    font-size: 1.3rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-gold);
    color: var(--color-bg-primary);
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* ==========================================
   Books Section
   ========================================== */
.section-books {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-primary);
}

.book-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.category-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(201,169,98,0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.category-card:hover {
    transform: translateY(-5px);
    border-color: rgba(201,169,98,0.3);
    box-shadow: var(--shadow-md);
}

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

.category-card.featured-category {
    border-color: rgba(201,169,98,0.4);
    background: linear-gradient(135deg, rgba(201,169,98,0.08) 0%, var(--color-bg-card) 100%);
    grid-column: span 1;
}

.category-card.featured-category::before {
    opacity: 1;
}

.category-badge {
    position: absolute;
    top: -10px;
    right: var(--spacing-md);
    background: var(--gradient-gold);
    color: var(--color-bg-primary);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-xl);
}

.category-card {
    position: relative;
}

.category-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: rgba(201,169,98,0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon i {
    font-size: 1.5rem;
    color: var(--color-accent-gold);
}

.category-card h4 {
    font-family: var(--font-accent);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

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

.book-count {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-xl);
}

.download-section {
    text-align: center;
}

.download-card {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: rgba(201,169,98,0.1);
    border: 1px solid rgba(201,169,98,0.3);
    border-radius: var(--radius-lg);
}

.download-card > i {
    font-size: 2.5rem;
    color: var(--color-accent-gold);
}

.download-info {
    text-align: left;
}

.download-info h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.download-info p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-download:hover {
    background: var(--color-accent-gold-light);
    transform: translateY(-2px);
}

/* ==========================================
   Voices Section
   ========================================== */
.section-voices {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(201,169,98,0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    border-color: rgba(201,169,98,0.3);
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.avatar {
    width: 50px;
    height: 50px;
    background: rgba(201,169,98,0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.avatar i {
    font-size: 1.2rem;
    color: var(--color-accent-gold);
}

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

.user-info h5 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.user-info span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.testimonial-content p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.testimonial-rating {
    margin-top: var(--spacing-md);
    color: var(--color-accent-gold);
}

.testimonial-rating i {
    margin-right: 2px;
}

/* ==========================================
   Supporters Section
   ========================================== */
.section-supporters {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-primary);
}

.supporters-content {
    max-width: 900px;
    margin: 0 auto;
}

.org-info {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(201,169,98,0.1);
}

.org-info h3 {
    font-family: var(--font-accent);
    font-size: 1.3rem;
    color: var(--color-accent-gold-light);
    margin-bottom: var(--spacing-md);
}

.org-info p {
    color: var(--color-text-secondary);
}

.supporters-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.supporter-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    text-align: center;
}

.supporter-item i {
    font-size: 2rem;
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-xs);
}

.supporter-item span {
    font-weight: 500;
}

.supporter-item small {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.supporter-item.pending {
    opacity: 0.7;
}

.for-organizations {
    padding: var(--spacing-xl);
    background: rgba(201,169,98,0.05);
    border: 1px solid rgba(201,169,98,0.2);
    border-radius: var(--radius-lg);
}

.for-organizations h4 {
    font-family: var(--font-accent);
    font-size: 1.2rem;
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-md);
}

.for-organizations h4 i {
    margin-right: var(--spacing-xs);
}

.for-organizations > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.org-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    list-style: none;
}

.org-benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.org-benefits i {
    color: var(--color-accent-gold);
}

/* ==========================================
   Apply Section
   ========================================== */
.section-apply {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
}

.apply-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.apply-content h2 {
    font-family: var(--font-accent);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.apply-content > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.apply-benefits {
    list-style: none;
}

.apply-benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.apply-benefits i {
    color: var(--color-accent-gold);
    width: 20px;
}

.apply-form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid rgba(201,169,98,0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.apply-form .form-group {
    margin-bottom: var(--spacing-md);
}

.apply-form label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.apply-form label i {
    color: var(--color-accent-gold);
    margin-right: var(--spacing-xs);
}

.apply-form input,
.apply-form select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(201,169,98,0.2);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.apply-form input::placeholder {
    color: var(--color-text-muted);
}

.apply-form input:focus,
.apply-form select:focus {
    outline: none;
    border-color: var(--color-accent-gold);
    box-shadow: 0 0 0 3px rgba(201,169,98,0.1);
}

.checkbox-group {
    margin-top: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    accent-color: var(--color-accent-gold);
}

.checkbox-label span {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-gold);
    color: var(--color-bg-primary);
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: var(--spacing-md);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-submit i {
    margin-right: var(--spacing-xs);
}

/* Apply CTA Box (No Form) */
.apply-cta-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.apply-cta-box {
    background: var(--color-bg-card);
    border: 1px solid rgba(201,169,98,0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    max-width: 400px;
}

.apply-cta-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: rgba(201,169,98,0.15);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.apply-cta-icon i {
    font-size: 2.5rem;
    color: var(--color-accent-gold);
}

.apply-cta-box h3 {
    font-family: var(--font-accent);
    font-size: 1.3rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.apply-cta-box > p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.btn-apply-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-gold);
    color: var(--color-bg-primary);
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.btn-apply-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 50px rgba(201,169,98,0.6);
}

.apply-cta-box small {
    display: block;
    margin-top: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ==========================================
   Footer
   ========================================== */
.main-footer {
    padding: var(--spacing-2xl) 0 calc(var(--spacing-3xl) + 80px);
    background: var(--color-bg-primary);
    border-top: 1px solid rgba(201,169,98,0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-accent);
    font-size: 1.2rem;
    color: var(--color-text-primary);
}

.footer-logo i {
    color: var(--color-accent-gold);
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

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

.footer-links a:hover {
    color: var(--color-accent-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ==========================================
   Fixed CTA Button
   ========================================== */
.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    display: flex;
    justify-content: center;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(13,13,13,0.98) 0%, rgba(13,13,13,0.9) 80%, transparent 100%);
}

.btn-fixed-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-2xl);
    background: var(--gradient-gold);
    color: var(--color-bg-primary);
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow);
    min-width: 280px;
}

.btn-fixed-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 50px rgba(201,169,98,0.6);
}

.btn-fixed-cta i {
    font-size: 1.2rem;
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .finance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .book-categories {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .supporters-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: var(--spacing-md);
        background: var(--color-bg-primary);
        border-top: 1px solid rgba(201,169,98,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-cta {
        text-align: center;
    }
    
    .content-block {
        grid-template-columns: 1fr;
    }
    
    .content-lr .content-image,
    .content-lr .content-text,
    .content-rl .content-image,
    .content-rl .content-text {
        order: unset;
    }
    
    .finance-grid {
        grid-template-columns: 1fr;
    }
    
    /* Finance Card 居中对齐 */
    .finance-card {
        text-align: center;
    }
    
    .finance-icon {
        margin: 0 auto var(--spacing-md);
    }
    
    .finance-topics {
        display: inline-block;
        text-align: left;
    }
    
    .book-categories {
        grid-template-columns: 1fr;
    }
    
    .download-card {
        flex-direction: column;
        text-align: center;
    }
    
    .download-info {
        text-align: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .supporters-grid {
        grid-template-columns: 1fr;
    }
    
    .org-benefits {
        grid-template-columns: 1fr;
    }
    
    .apply-wrapper {
        grid-template-columns: 1fr;
    }
    
    .apply-content {
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    /* Hero Stats - 横向紧凑排列 */
    .hero-stats {
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: center;
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        flex: 0 0 auto;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* Fixed CTA 不换行 */
    .btn-fixed-cta {
        min-width: auto;
        width: auto;
        max-width: 90%;
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.9rem;
        white-space: nowrap;
    }
    
    .btn-fixed-cta i {
        font-size: 1rem;
    }
    
    /* Finance Card 居中 */
    .finance-card {
        text-align: center;
    }
    
    .finance-icon {
        margin: 0 auto var(--spacing-md);
    }
    
    .finance-topics {
        display: inline-block;
        text-align: left;
    }
    
    .finance-card .book-count {
        margin-top: var(--spacing-sm);
    }
}

/* ==========================================
   Legal Pages Styles
   ========================================== */
.legal-page {
    padding-top: 100px;
    min-height: 100vh;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.legal-content h1 {
    font-family: var(--font-accent);
    font-size: 2rem;
    color: var(--color-accent-gold-light);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(201,169,98,0.2);
}

.legal-content h2 {
    font-family: var(--font-accent);
    font-size: 1.3rem;
    color: var(--color-accent-gold);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.legal-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.legal-content ul, 
.legal-content ol {
    color: var(--color-text-secondary);
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.legal-content li {
    margin-bottom: var(--spacing-xs);
}

.legal-content .update-date {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.legal-footer {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-primary);
    border-top: 1px solid rgba(201,169,98,0.1);
    text-align: center;
}

.legal-footer p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Selection */
::selection {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-accent-gold-dark);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-gold);
}