/* ================================================
   荧耀传媒 - 主样式文件
   Design System: Modern Dark SaaS
   ================================================ */

/* -------------------- CSS Variables -------------------- */
:root {
    /* Colors - Background */
    --bg-primary: #0B0F19;
    --bg-secondary: #111827;
    --bg-tertiary: #1F2937;
    --bg-card: rgba(255, 255, 255, 0.05);
    
    /* Colors - Primary (Amazon Orange) */
    --primary: #F97316;
    --primary-hover: #EA580C;
    --primary-light: rgba(249, 115, 22, 0.1);
    
    /* Colors - Accent (Emerald Green) */
    --accent: #10B981;
    --accent-hover: #059669;
    --accent-light: rgba(16, 185, 129, 0.1);
    
    /* Colors - Text */
    --text-primary: #FFFFFF;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    /* Colors - Semantic */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Colors - Border */
    --border-light: rgba(255, 255, 255, 0.1);
    --border-medium: rgba(255, 255, 255, 0.2);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: 10px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow-primary: 0 0 30px rgba(249, 115, 22, 0.3);
    --shadow-glow-accent: 0 0 30px rgba(16, 185, 129, 0.3);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

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

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input {
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* -------------------- Buttons -------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow-primary);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 600;
    border-radius: var(--radius-md);
}

.btn-whatsapp:hover {
    background: #20BD5A;
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
}

/* -------------------- Navigation -------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.mobile-menu-btn {
    display: none;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    /* 移动端导航菜单 - 默认隐藏 */
    .nav-links {
        display: none !important;
        position: fixed !important;
        top: 72px !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: calc(100vh - 72px) !important;
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: flex-start !important;
        gap: 0 !important;
        background: #0B0F19 !important;
        padding: 0 !important;
        margin: 0 !important;
        z-index: 10000 !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
    }
    
    /* 移动端菜单激活状态 - 强制显示 */
    .nav-links.mobile-active {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: none !important;
        pointer-events: auto !important;
    }
    
    /* 移动端导航链接项 */
    .nav-links li {
        display: block !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        list-style: none !important;
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }
    
    /* 移动端导航链接样式 */
    .nav-links li a,
    .nav-links a {
        display: block !important;
        width: 100% !important;
        padding: 20px 24px !important;
        margin: 0 !important;
        font-size: 1.125rem !important;
        font-weight: 500 !important;
        color: #E5E7EB !important;
        text-decoration: none !important;
        background: transparent !important;
        border: none !important;
        box-sizing: border-box !important;
    }
    
    .nav-links li a:hover,
    .nav-links li a.active,
    .nav-links a:hover,
    .nav-links a.active {
        color: #FFFFFF !important;
        background: rgba(249, 115, 22, 0.15) !important;
        padding-left: 32px !important;
    }
    
    /* 移动端菜单按钮 */
    .mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        color: #FFFFFF;
        border-radius: 12px;
        transition: background 0.2s ease;
        z-index: 10001 !important;
        position: relative !important;
    }
    
    .mobile-menu-btn:hover {
        background: #1F2937;
    }
    
    .mobile-menu-btn svg {
        width: 24px;
        height: 24px;
    }
}

/* 移动端菜单遮罩层 */
.mobile-menu-overlay {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    /* 需要比 navbar (z-index: 300) 更高，但比菜单低 */
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* -------------------- Hero Section -------------------- */
.hero {
    min-height: 100vh;
    padding: 120px 0 60px;
    display: flex;
    align-items: center;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(249, 115, 22, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(16, 185, 129, 0.1), transparent),
        var(--bg-primary);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Hero Content */
.hero-content {
    max-width: 600px;
}

@media (max-width: 992px) {
    .hero-content {
        max-width: 100%;
        margin: 0 auto;
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

/* ASIN Search Box */
.asin-search-box {
    margin-bottom: var(--spacing-2xl);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    transition: all var(--transition-base);
}

.search-input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-icon {
    color: var(--text-muted);
    margin: 0 var(--spacing-md);
    flex-shrink: 0;
}

.asin-input {
    flex: 1;
    padding: var(--spacing-md) 0;
    font-size: 1rem;
    color: var(--text-primary);
    background: transparent;
}

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

.asin-btn {
    flex-shrink: 0;
    padding: var(--spacing-md) var(--spacing-xl);
}

.asin-btn .btn-loader {
    display: none;
}

.asin-btn.loading .btn-text {
    display: none;
}

.asin-btn.loading .btn-loader {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.search-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

@media (max-width: 992px) {
    .hero-stats {
        justify-content: center;
    }
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 400px;
}

@media (max-width: 992px) {
    .hero-visual {
        display: none;
    }
}

.data-board {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
}

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

.board-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.board-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
}

.board-badge.live {
    background: var(--accent-light);
    color: var(--accent);
}

.board-badge svg {
    width: 12px;
    height: 12px;
}

.chart-container {
    height: 150px;
}

.growth-chart {
    width: 100%;
    height: 100%;
}

.chart-line {
    stroke-linecap: round;
    stroke-linejoin: round;
}

.pulse-dot {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; r: 6; }
    50% { opacity: 0.6; r: 8; }
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(2) {
    animation-delay: -2s;
}

.floating-card:nth-child(3) {
    animation-delay: -4s;
}

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

.card-roi {
    top: 20px;
    right: 0;
}

.card-acos {
    bottom: 60px;
    left: 0;
}

.card-rank {
    bottom: 20px;
    right: 40px;
}

.card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.card-icon.success {
    background: var(--accent-light);
    color: var(--accent);
}

.card-icon.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.card-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.card-content {
    display: flex;
    flex-direction: column;
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* -------------------- Trust Bar -------------------- */
.trust-bar {
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.trust-label {
    text-align: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    letter-spacing: 0.05em;
}

.trust-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
}

.trust-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.trust-logo:hover {
    transform: translateY(-4px);
}

/* Logo 图片样式 - 统一视觉尺寸优化 */
.trust-logo img {
    /* 基础尺寸：增大显示效果 */
    height: 42px;
    width: auto;
    max-width: 140px;
    /* 保持图片比例，居中显示 */
    object-fit: contain;
    object-position: center;
    /* 默认半透明灰度效果 */
    opacity: 0.5;
    filter: grayscale(100%) brightness(1.5);
    /* 优化渲染性能 */
    will-change: opacity, filter;
    transition: opacity var(--transition-base), filter var(--transition-base);
    /* 防止图片拖拽 */
    user-select: none;
    -webkit-user-drag: none;
}

/* 针对宽扁 logo 的尺寸调整（Amazon、Walmart）- 高度稍小以平衡视觉 */
.trust-logo[data-platform="Amazon"] img,
.trust-logo[data-platform="Walmart"] img {
    height: 32px;
    max-width: 120px;
}

/* 针对方形/紧凑 logo 的尺寸调整（TikTok、独立站） */
.trust-logo[data-platform="TikTok"] img,
.trust-logo[data-platform="独立站"] img {
    height: 60px;
    max-width: 140px;
}

/* Shopify 作为参考标准 */
.trust-logo[data-platform="Shopify"] img {
    height: 32px;
    max-width: 120px;
}

/* 悬停时 logo 高亮 */
.trust-logo:hover img {
    opacity: 1;
    filter: grayscale(0%) brightness(1) drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

/* 平台名称标签 (使用 data-platform 属性) */
.trust-logo::after {
    content: attr(data-platform);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    transition: color var(--transition-base);
}

/* 悬停时平台名称高亮 */
.trust-logo:hover::after {
    color: var(--text-secondary);
}

/* -------------------- Services Section -------------------- */
.services {
    padding: var(--spacing-3xl) 0 calc(var(--spacing-3xl) * 2);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow-primary);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.service-features svg {
    width: 16px;
    height: 16px;
    color: var(--accent);
}

/* -------------------- CTA Section -------------------- */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: 
        radial-gradient(ellipse 60% 40% at 20% 50%, rgba(249, 115, 22, 0.1), transparent),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(16, 185, 129, 0.1), transparent),
        var(--bg-secondary);
}

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

@media (max-width: 768px) {
    .cta-grid {
        grid-template-columns: 1fr;
    }
}

.cta-card {
    padding: var(--spacing-2xl);
    text-align: center;
}

.cta-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.influencer-cta .cta-badge {
    background: var(--accent-light);
    color: var(--accent);
}

.cta-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.cta-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.qr-code-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 0.75rem;
}

.qr-placeholder.large {
    width: 160px;
    height: 160px;
}

.qr-placeholder svg {
    width: 32px;
    height: 32px;
}

.cta-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* -------------------- Footer -------------------- */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
}

.footer-main {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

@media (max-width: 768px) {
    .footer-main {
        flex-direction: column;
        gap: var(--spacing-2xl);
    }
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-slogan {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

.footer-links {
    display: flex;
    gap: var(--spacing-3xl);
}

@media (max-width: 600px) {
    .footer-links {
        flex-wrap: wrap;
        gap: var(--spacing-xl);
    }
}

.footer-column h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

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

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
}

@media (max-width: 600px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

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

.footer-legal {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
}

.footer-legal a {
    color: var(--text-secondary);
}

.footer-legal .divider {
    color: var(--text-muted);
}

/* -------------------- Modal -------------------- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-2xl);
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.modal-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.modal-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-full);
}

.modal-icon.success {
    background: var(--accent-light);
    color: var(--accent);
}

.modal-icon svg {
    width: 32px;
    height: 32px;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body {
    text-align: center;
}

/* Diagnosis Result */
.diagnosis-result {
    margin-bottom: var(--spacing-xl);
}

.result-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.result-text strong {
    color: var(--primary);
    font-family: monospace;
}

.result-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.metric {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.metric-label {
    flex: 0 0 80px;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: left;
}

.metric-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    background: var(--accent);
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

.metric-bar.warning .metric-fill {
    background: var(--warning);
}

.metric-value {
    flex: 0 0 40px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

.modal-cta .cta-text {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* Terms Modal */
.terms-modal {
    max-width: 600px;
}

.terms-body {
    text-align: left;
}

.terms-body h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.terms-body h4:first-child {
    margin-top: 0;
}

.terms-body p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.terms-body .highlight {
    background: rgba(245, 158, 11, 0.1);
    border-left: 3px solid var(--warning);
    padding: var(--spacing-md);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: var(--spacing-md) 0;
}

/* Large Modal (for legal content with scrolling) */
.modal-lg {
    max-width: 640px;
}

/* Legal Content Container */
.legal-content {
    text-align: left;
    display: flex;
    flex-direction: column;
    max-height: calc(90vh - 100px);
}

.legal-content .modal-title {
    flex-shrink: 0;
    margin-bottom: var(--spacing-lg);
}

.legal-content .btn {
    flex-shrink: 0;
    margin-top: var(--spacing-lg);
    align-self: center;
}

/* Legal Text - Scrollable Content Area */
.legal-text {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    /* Custom scrollbar styling */
    scrollbar-width: thin;
    scrollbar-color: var(--border-medium) transparent;
}

.legal-text::-webkit-scrollbar {
    width: 6px;
}

.legal-text::-webkit-scrollbar-track {
    background: transparent;
}

.legal-text::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: 3px;
}

.legal-text::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

.legal-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.legal-text h4:first-child {
    margin-top: 0;
}

.legal-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.legal-text .highlight-text {
    background: rgba(245, 158, 11, 0.1);
    border-left: 3px solid var(--warning);
    padding: var(--spacing-md);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: var(--spacing-md) 0;
}

/* -------------------- Loading States -------------------- */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: var(--spacing-md) 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 2.5s ease-out;
}

/* -------------------- Responsive Adjustments -------------------- */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .stat-divider {
        display: none;
    }
    
    .asin-btn {
        padding: var(--spacing-md);
    }
    
    .asin-btn .btn-text {
        display: none;
    }
    
    .asin-btn::after {
        content: '→';
        font-size: 1.25rem;
    }
}