/**
 * MivKit - Modern CSS Theme
 * 
 * A fresh, professional design with dark theme
 * Author: MivKit Team
 * Version: 2.0
 */

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */
:root {
    /* Dark Theme (Default) */
    --color-bg-primary: #0a0e17;
    --color-bg-secondary: #0f1419;
    --color-bg-tertiary: #1a1f2e;
    --color-bg-card: rgba(15, 20, 30, 0.8);
    --color-bg-hover: #1e2538;
    --color-bg-glass: rgba(10, 14, 23, 0.7);
    
    --color-text-primary: #f0f4f8;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    --color-accent: #6366f1;
    --color-accent-hover: #818cf8;
    --color-accent-light: rgba(99, 102, 241, 0.15);
    --color-accent-glow: rgba(99, 102, 241, 0.4);
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    --color-border: rgba(99, 102, 241, 0.2);
    --color-border-light: rgba(99, 102, 241, 0.3);
    
    /* Glassmorphism */
    --glass-bg: rgba(15, 20, 30, 0.6);
    --glass-border: rgba(99, 102, 241, 0.15);
    --glass-blur: 20px;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-bg: linear-gradient(135deg, #0a0e17 0%, #1a1f2e 50%, #0f1419 100%);
    --gradient-card: linear-gradient(145deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    --gradient-text: linear-gradient(135deg, #f0f4f8 0%, #6366f1 50%, #a855f7 100%);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease-out;
    --transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.25rem;
}

/* Light Theme (Parchment) */
[data-theme="light"] {
    --color-bg-primary: #f8f5f0;
    --color-bg-secondary: #fff9f0;
    --color-bg-tertiary: #f0ebe3;
    --color-bg-card: rgba(255, 255, 255, 0.9);
    --color-bg-hover: #f5f0e8;
    --color-bg-glass: rgba(255, 249, 240, 0.8);
    
    --color-text-primary: #2d2a26;
    --color-text-secondary: #5c5650;
    --color-text-muted: #8a8279;
    
    --color-accent: #7c5832;
    --color-accent-hover: #956a3d;
    --color-accent-light: rgba(124, 88, 50, 0.1);
    --color-accent-glow: rgba(124, 88, 50, 0.3);
    
    --color-border: rgba(124, 88, 50, 0.2);
    --color-border-light: rgba(124, 88, 50, 0.3);
    
    /* Glassmorphism for light */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(124, 88, 50, 0.15);
    
    /* Gradients for light */
    --gradient-primary: linear-gradient(135deg, #7c5832 0%, #956a3d 50%, #b8864a 100%);
    --gradient-bg: linear-gradient(135deg, #f8f5f0 0%, #fff9f0 50%, #f0ebe3 100%);
    --gradient-card: linear-gradient(145deg, rgba(124, 88, 50, 0.05) 0%, rgba(149, 106, 61, 0.02) 100%);
    --gradient-text: linear-gradient(135deg, #2d2a26 0%, #7c5832 50%, #956a3d 100%);
    
    /* Shadows for light */
    --shadow-sm: 0 1px 3px rgba(45, 42, 38, 0.1);
    --shadow-md: 0 4px 12px rgba(45, 42, 38, 0.15);
    --shadow-lg: 0 10px 30px rgba(45, 42, 38, 0.2);
    --shadow-xl: 0 20px 50px rgba(45, 42, 38, 0.25);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   Layout Components
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

main {
    flex: 1;
    padding: var(--space-xl) 0;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: var(--space-lg);
}

.header__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.header__logo img {
    height: 36px;
    width: auto;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
}

.header__toggle-bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.header__search {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown__trigger {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-primary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.dropdown__trigger:hover {
    background-color: var(--color-bg-tertiary);
}

.dropdown__icon {
    font-size: var(--font-size-lg);
}

.dropdown__arrow {
    transition: transform var(--transition-fast);
}

.dropdown:hover .dropdown__arrow {
    transform: rotate(180deg);
}

.dropdown__menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    max-height: 400px;
    overflow-y: auto;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-fast);
    z-index: 200;
}

.dropdown:hover .dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

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

.dropdown__item-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.dropdown__item-text {
    font-size: var(--font-size-sm);
}

/* Mobile Drawer */
.drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    transform: translateX(-105%);
    transition: transform var(--transition-slow);
    z-index: 1000;
    overflow-y: auto;
}

.drawer.is-open {
    transform: translateX(0);
}

.drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.drawer__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
}

.drawer__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

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

.drawer__nav {
    padding: var(--space-md);
}

.drawer__group {
    border-bottom: 1px solid var(--color-border);
}

.drawer__group-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    color: var(--color-text-primary);
    font-weight: 500;
    cursor: pointer;
    list-style: none;
}

.drawer__group-header::-webkit-details-marker {
    display: none;
}

.drawer__group-arrow {
    margin-left: auto;
    transition: transform var(--transition-fast);
}

.drawer__group[open] .drawer__group-arrow {
    transform: rotate(180deg);
}

.drawer__group-content {
    padding: 0 var(--space-md) var(--space-md);
}

.drawer__link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

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

.drawer__link-icon {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.drawer__overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-slow);
    z-index: 999;
}

.drawer__overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    text-align: center;
    padding: var(--space-3xl) 0 var(--space-2xl);
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(59, 130, 246, 0.1) 100%);
    color: var(--color-accent);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(59, 130, 246, 0.3);
    animation: fadeInDown 0.5s ease forwards;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.hero__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.hero__btn--primary {
    background: var(--color-accent);
    color: white;
    border: none;
}

.hero__btn--primary:hover {
    background: var(--color-accent-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.hero__btn--secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.hero__btn--secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-light);
}

/* Popular Section */
.popular-section {
    margin-top: var(--space-3xl);
}

.popular-section__title {
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.popular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.popular-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    text-decoration: none;
    transition: all var(--transition-base);
}

.popular-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.popular-card img {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.popular-card__info {
    flex: 1;
    min-width: 0;
}

.popular-card__info h3 {
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.popular-card__info p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   Filter Bar
   ============================================ */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-color: var(--color-border-light);
}

.filter-btn.active {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* ============================================
   Tool Cards Grid
   ============================================ */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.tool-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: var(--transition-base);
    text-decoration: none;
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--color-accent);
}

.tool-card__icon {
    width: 128px;
    height: 128px;
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.tool-card__icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tool-card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.tool-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    flex: 1;
}

.tool-card__arrow {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-lg);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: auto;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    display: inline-block;
    margin-bottom: var(--space-md);
}

.footer__logo img {
    height: 32px;
    width: auto;
}

.footer__tagline {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.footer__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.footer__heading {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

.footer__list li {
    margin-bottom: var(--space-sm);
}

.footer__list a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

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

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer__note {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ============================================
   Page Content (for static pages)
   ============================================ */
.page {
    max-width: 800px;
    margin: 0 auto;
}

.page__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.page__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.page__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.page__content {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.page__content h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--space-xl) 0 var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.page__content h2:first-child {
    margin-top: 0;
}

.page__content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--space-lg) 0 var(--space-sm);
}

.page__content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.page__content ul, .page__content ol {
    color: var(--color-text-secondary);
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}

.page__content ul {
    list-style-type: disc;
}

.page__content ol {
    list-style-type: decimal;
}

.page__content li {
    margin-bottom: var(--space-sm);
}

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

.page__content a {
    color: var(--color-accent);
}

.page__content a:hover {
    text-decoration: underline;
}

/* Notice Boxes */
.notice {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    margin: var(--space-lg) 0;
}

.notice--info {
    background-color: var(--color-accent-light);
    border: 1px solid var(--color-accent);
}

.notice--success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--color-success);
}

.notice--warning {
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--color-warning);
}

.notice__title {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

/* Contact Info Box */
.contact-box {
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    margin: var(--space-xl) 0;
}

.contact-box p {
    margin-bottom: var(--space-sm);
}

/* Last Updated */
.last-updated {
    text-align: center;
    padding-top: var(--space-xl);
    margin-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-md);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-accent);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.form-btn:hover {
    background-color: var(--color-accent-hover);
}

.form-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Form Errors */
.form-errors {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-error);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    color: var(--color-error);
}

.form-errors li {
    margin-bottom: var(--space-xs);
}

/* Success Message */
.form-success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    color: var(--color-success);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer__brand {
        grid-column: span 2;
        max-width: none;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .header__nav {
        display: none;
    }
    
    .header__toggle {
        display: flex;
    }
    
    .header__inner {
        height: 56px;
    }
    
    .hero {
        padding: var(--space-2xl) 0;
    }
    
    .hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .hero__subtitle {
        font-size: var(--font-size-base);
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer__brand {
        grid-column: auto;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--space-sm);
    }
    
    .page__content {
        padding: var(--space-lg);
    }
    
    .page__title {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .filter-bar {
        gap: var(--space-xs);
    }
    
    .filter-btn {
        padding: var(--space-xs) var(--space-md);
        font-size: var(--font-size-xs);
    }
    
    .tool-card {
        padding: var(--space-lg);
    }
    
    .tool-card__icon {
        width: 48px;
        height: 48px;
    }
}

/* ============================================
   Search Modal
   ============================================ */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.search-modal.is-open {
    opacity: 1;
    visibility: visible;
}

.search-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.search-modal__content {
    position: relative;
    width: 90%;
    max-width: 600px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transform: translateY(-20px) scale(0.95);
    transition: transform var(--transition-base);
}

.search-modal.is-open .search-modal__content {
    transform: translateY(0) scale(1);
}

.search-modal__header {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.search-modal__input-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-sm) var(--space-md);
}

.search-modal__icon {
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.search-modal__input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    padding: var(--space-sm) 0;
}

.search-modal__input::placeholder {
    color: var(--color-text-muted);
}

.search-modal__kbd {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-family: inherit;
}

.search-modal__body {
    max-height: 400px;
    overflow-y: auto;
}

.search-modal__results {
    padding: var(--space-sm);
}

.search-modal__item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: background var(--transition-fast);
}

.search-modal__item:hover,
.search-modal__item.is-active {
    background: var(--color-bg-tertiary);
}

.search-modal__item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--color-bg-primary);
    padding: var(--space-sm);
    flex-shrink: 0;
}

.search-modal__item-info {
    flex: 1;
    min-width: 0;
}

.search-modal__item-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.search-modal__item-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-modal__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
    color: var(--color-text-muted);
    text-align: center;
}

.search-modal__empty svg {
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.search-modal__empty p {
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.search-modal__footer {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-md);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.search-modal__footer kbd {
    background: var(--color-bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: inherit;
    font-size: var(--font-size-xs);
}

/* ============================================
   Enhanced Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--color-accent), 0 0 10px var(--color-accent);
    }
    50% {
        box-shadow: 0 0 20px var(--color-accent), 0 0 30px var(--color-accent);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.5s ease forwards;
}

.animate-fade-in-scale {
    animation: fadeInScale 0.4s ease forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

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

/* Staggered animation delays */
.stagger-1 { animation-delay: 0.1s; opacity: 0; }
.stagger-2 { animation-delay: 0.2s; opacity: 0; }
.stagger-3 { animation-delay: 0.3s; opacity: 0; }
.stagger-4 { animation-delay: 0.4s; opacity: 0; }
.stagger-5 { animation-delay: 0.5s; opacity: 0; }

/* ============================================
   Enhanced Homepage Sections
   ============================================ */
.hero {
    animation: fadeInDown 0.6s ease forwards;
}

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

.tool-card {
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.tools-grid .tool-card:nth-child(1) { animation-delay: 0.05s; }
.tools-grid .tool-card:nth-child(2) { animation-delay: 0.1s; }
.tools-grid .tool-card:nth-child(3) { animation-delay: 0.15s; }
.tools-grid .tool-card:nth-child(4) { animation-delay: 0.2s; }
.tools-grid .tool-card:nth-child(5) { animation-delay: 0.25s; }
.tools-grid .tool-card:nth-child(6) { animation-delay: 0.3s; }
.tools-grid .tool-card:nth-child(7) { animation-delay: 0.35s; }
.tools-grid .tool-card:nth-child(8) { animation-delay: 0.4s; }
.tools-grid .tool-card:nth-child(9) { animation-delay: 0.45s; }

/* Features section styling */
.features-section {
    margin-top: var(--space-3xl);
    padding: var(--space-3xl) 0;
}

.features-section__title {
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.15);
}

.feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.feature-card__title {
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.feature-card__desc {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* Stats section */
.stats-section {
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-3xl);
    padding: var(--space-2xl);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-xl);
    text-align: center;
}

.stat-item {
    padding: var(--space-md);
}

.stat-item__number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-item__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Category showcase */
.category-showcase {
    margin-top: var(--space-3xl);
}

.category-showcase__title {
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.category-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.category-card {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-secondary) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    padding: var(--space-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.category-card__icon {
    font-size: 2rem;
}

.category-card__name {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
}

.category-card__tools {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.category-card__tool {
    background: var(--color-bg-primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.category-card__tool:hover {
    background: var(--color-accent);
    color: white;
}

/* CTA Section */
.cta-section {
    margin-top: var(--space-3xl);
    padding: var(--space-3xl) var(--space-xl);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.2);
    text-align: center;
}

.cta-section__title {
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.cta-section__desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-accent);
    color: white;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.cta-section__btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    color: white;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden { display: none !important; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* ============================================
   Theme Toggle Button
   ============================================ */
.theme-toggle {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--color-text-primary);
}

.theme-toggle:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: all var(--transition-base);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: none;
}

/* ============================================
   Enhanced Ultra-Modern Homepage
   ============================================ */

/* Animated Background */
.page-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-bg);
    z-index: -2;
    overflow: hidden;
}

.page-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, var(--color-accent-light) 0%, transparent 50%);
    animation: bgRotate 30s linear infinite;
}

.page-bg::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 60%);
    animation: bgFloat 20s ease-in-out infinite;
}

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

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-10%, 10%) scale(1.1); }
}

/* Floating Orbs */
.floating-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
}

.floating-orb--1 {
    top: 10%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    animation: orbFloat1 25s ease-in-out infinite;
}

.floating-orb--2 {
    top: 60%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: #a855f7;
    animation: orbFloat2 30s ease-in-out infinite;
}

.floating-orb--3 {
    bottom: 10%;
    left: 30%;
    width: 350px;
    height: 350px;
    background: #8b5cf6;
    animation: orbFloat3 20s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(50px, 100px); }
    50% { transform: translate(100px, 50px); }
    75% { transform: translate(50px, -50px); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-80px, 60px); }
    66% { transform: translate(40px, -40px); }
}

@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(70px, -70px); }
}

/* Hero Section Enhanced */
.hero {
    position: relative;
    text-align: center;
    padding: var(--space-3xl) 0 var(--space-2xl);
    max-width: 900px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    color: var(--color-accent);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-xl);
    animation: fadeInDown 0.6s ease forwards;
}

.hero__badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 650px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

.hero__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-2xl);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: all var(--transition-bounce);
    cursor: pointer;
}

.hero__btn--primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    box-shadow: var(--shadow-lg), 0 0 30px var(--color-accent-glow);
}

.hero__btn--primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 50px var(--color-accent-glow);
    color: white;
}

.hero__btn--secondary {
    background: var(--glass-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
}

.hero__btn--secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

/* Stats Section Enhanced */
.stats-section {
    margin: var(--space-3xl) 0;
    padding: var(--space-2xl);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-xl);
    text-align: center;
}

.stat-item {
    padding: var(--space-lg);
    position: relative;
}

.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: var(--glass-border);
}

.stat-item:last-child::after {
    display: none;
}

.stat-item__number {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-item__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Tool Cards Enhanced */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.tool-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    transition: all var(--transition-bounce);
    text-decoration: none;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.tool-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-card__icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--gradient-card);
    padding: var(--space-sm);
}

.tool-card__icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tool-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.tool-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    flex: 1;
}

.tool-card__arrow {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-base);
}

.tool-card:hover .tool-card__arrow {
    gap: var(--space-md);
}

/* Features Section Enhanced */
.features-section {
    margin-top: var(--space-3xl);
    padding: var(--space-3xl) 0;
}

.features-section__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: var(--space-3xl);
}

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

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--color-accent-light) 0%, transparent 40%);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-xl);
}

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

.feature-card__icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-lg);
    color: white;
}

.feature-card__icon svg {
    width: 32px;
    height: 32px;
}

.feature-card__title {
    position: relative;
    color: var(--color-text-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.feature-card__desc {
    position: relative;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.7;
}

/* Category Showcase Enhanced */
.category-showcase {
    margin-top: var(--space-3xl);
}

.category-showcase__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.category-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.category-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-2xl);
    border: 1px solid var(--glass-border);
    padding: var(--space-2xl);
    transition: all var(--transition-bounce);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

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

.category-card__name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.category-card__count {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.category-card__desc {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.category-card__tools {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.category-card__tool {
    background: var(--color-bg-tertiary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.category-card__tool:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.category-card__more {
    background: transparent;
    color: var(--color-accent);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* Home FAQ Enhanced */
.home-faq {
    margin-top: var(--space-3xl);
    padding: var(--space-3xl) 0;
}

.home-faq__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.faq-item__question {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.faq-item__answer {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.7;
}

.faq-item__answer a {
    color: var(--color-accent);
}

/* CTA Section Enhanced */
.cta-section {
    margin-top: var(--space-3xl);
    padding: var(--space-3xl) var(--space-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-2xl);
    border: 1px solid var(--glass-border);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle at center, var(--color-accent-light) 0%, transparent 30%);
    animation: ctaGlow 10s ease-in-out infinite;
}

@keyframes ctaGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10%, 10%); }
}

.cta-section__title {
    position: relative;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.cta-section__desc {
    position: relative;
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section__btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: var(--font-size-lg);
    text-decoration: none;
    transition: all var(--transition-bounce);
    box-shadow: var(--shadow-lg), 0 0 30px var(--color-accent-glow);
}

.cta-section__btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 50px var(--color-accent-glow);
    color: white;
}

/* Filter Bar Enhanced */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-3xl);
    padding: var(--space-md);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.filter-btn--active,
.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* Header Enhanced */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Footer Enhanced */
.footer {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-top: 1px solid var(--glass-border);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: auto;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .floating-orb {
        display: none;
    }
    
    .stat-item::after {
        display: none;
    }
    
    .hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .hero__subtitle {
        font-size: var(--font-size-base);
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
    }
}