/* =====================================================
   DEVXP - COMPLETE MERGED STYLES
   - Unified theme with blue-purple gradient palette
   - All pages (home, blog, articles, assignments)
   - Fully responsive and accessible
   ===================================================== */

/* =========================
   CSS CUSTOM PROPERTIES
   ========================= */
:root {
    /* Primary Colors - Blue & Purple Theme */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #8b5cf6;
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Secondary Colors */
    --secondary-color: #10b981;
    --secondary-50: #f0f9ff;
    --secondary-100: #e0f2fe;
    --secondary-200: #bae6fd;
    --secondary-300: #7dd3fc;
    --secondary-400: #38bdf8;
    --secondary-500: #0ea5e9;
    --secondary-600: #0284c7;
    --secondary-700: #0369a1;
    --secondary-800: #075985;
    --secondary-900: #0c4a6e;
    
    /* Accent Colors */
    --accent-color: #f59e0b;
    --error-color: #ef4444;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    
    /* Status Colors */
    --success-50: #ecfdf5;
    --success-100: #d1fae5;
    --success-500: #10b981;
    --success-600: #059669;
    
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    
    --error-50: #fef2f2;
    --error-500: #ef4444;
    --error-600: #dc2626;
    
    /* Neutral Colors */
    --gray-50: #f6f8fa;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #222229;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Text Colors */
    --text-primary: #1a1a1a;
    --text-secondary: #26272b;
    --text-muted: #9ca3af;
    --text-white: #ffffff;
    --text-inverse: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #eef2f5;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #ebecf7;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Border Colors */
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --border-dark: #9ca3af;
    
    /* Gradients - Blue & Purple Theme */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #0a5bd4 0%, #5326ce 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero2: linear-gradient(135deg, #bee948 0%, #64e258 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    --gradient-dark: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    
    --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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* 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;
    --spacing-4xl: 5rem;
    
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    
    /* Container */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
    
    --content-padding-x: var(--space-6);
    --content-padding-y: var(--space-8);
    --section-padding-y: var(--space-20);
}

/* =========================
   RESET & BASE STYLES
   ========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* =========================
   TYPOGRAPHY
   ========================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-5xl); font-weight: var(--font-weight-extrabold); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); }
h5 { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); }
h6 { font-size: var(--font-size-lg); font-weight: var(--font-weight-medium); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

.gradient-text {
    background: var(--gradient-hero2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =========================
   UTILITY CLASSES
   ========================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2% var(--spacing-md);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
}

.skip-link:focus { top: 6px; }

.hidden { display: none !important; }
.visible { display: block !important; }

/* =========================
   LOADING SCREEN
   ========================= */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.loading-spinner {
    display: flex;
    gap: 0.5rem;
}

.spinner-ring {
    width: 35px;
    height: 35px;
    border: 3px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-ring:nth-child(2) { animation-delay: 0.15s; }
.spinner-ring:nth-child(3) { animation-delay: 0.3s; }

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

.loading-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.loading-text {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* =========================
   NAVIGATION
   ========================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--content-padding-x);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-600);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.05);
    color: var(--primary-600);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
}

.logo-text {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
}

.logo-name {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-extrabold);
}

.logo-tm {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    opacity: 0.7;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left var(--transition-normal);
    z-index: -1;
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-link i {
    font-size: var(--font-size-sm);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-fast);
}

.mobile-toggle:hover {
    background-color: var(--gray-100);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 2px 0;
    transition: all var(--transition-normal);
    border-radius: var(--radius-sm);
}

.mobile-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-modal-backdrop);
}

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

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100%;
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-normal);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-light);
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--primary-600);
}

.mobile-close {
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.mobile-close:hover {
    background-color: var(--gray-100);
    color: var(--text-primary);
}

.mobile-nav-menu {
    flex: 1;
    list-style: none;
    padding: var(--space-6) 0;
}

.mobile-nav-item {
    margin-bottom: var(--space-2);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.mobile-nav-link:hover {
    background-color: var(--primary-50);
    color: var(--primary-600);
    border-left-color: var(--primary-600);
    transform: translateX(8px);
}

.mobile-nav-link i {
    width: 20px;
    text-align: center;
    font-size: var(--font-size-lg);
}

.mobile-nav-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.mobile-nav-footer p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

/* =========================
   BUTTONS
   ========================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    min-height: 44px;
}

.btn:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
    min-height: 52px;
}

.btn-small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    min-height: 36px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--text-primary);
    border-color: var(--border-medium);
}

.btn-secondary:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border-color: var(--primary-600);
}

.btn-outline:hover {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover .btn-shine {
    left: 100%;
}

/* =========================
   HERO SECTION (HOME)
   ========================= */
.hero {
    position: relative;
    padding-top: 4%;
    min-height: 50vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.1) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,0.1) 1px, transparent 1px),
        radial-gradient(circle at 50% 10%, rgba(255,255,255,0.05) 2px, transparent 2px);
    background-size: 100px 100px, 150px 150px, 200px 200px;
    animation: float 20s ease-in-out infinite;
}

.hero-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(-10px) rotate(-1deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    width: 100%;
}

.hero-text {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
    color: white;
}

.hero-description {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-8);
    color: rgba(255, 255, 255, 0.9);
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

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

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    color: white;
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-3xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-2xl);
    animation: heroFloat 6s ease-in-out infinite;
}

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

/* =========================
   CODE EDITOR COMPONENT
   ========================= */
.code-editor {
    background: var(--gray-900);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-800);
    border-bottom: 1px solid var(--gray-700);
}

.editor-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28ca42; }

.editor-title {
    font-size: var(--font-size-xs);
    color: var(--gray-400);
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
}

.editor-content {
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    overflow-x: auto;
}

.code-line {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
    white-space: pre;
}

.line-number {
    width: 2rem;
    color: var(--gray-600);
    font-size: var(--font-size-xs);
    text-align: right;
    margin-right: var(--spacing-md);
    user-select: none;
}

.code-text { color: var(--gray-200); }
.keyword { color: #c792ea; font-weight: 500; }
.string { color: #c3e88d; }
.function { color: #82aaff; }

.ai-suggestion {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-lg);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
}

.ai-icon {
    width: 36px;
    height: 36px;
    background: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-base);
    box-shadow: var(--shadow-sm);
}

.ai-text p {
    font-weight: 600;
    color: var(--text-white);
    margin: 0;
}

.ai-text span {
    font-size: var(--font-size-sm);
    color: var(--gray-300);
}

/* =========================
   SECTIONS
   ========================= */
.section {
    padding: var(--section-padding-y) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--primary-50);
    color: var(--primary-600);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-6);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    max-width: 700px;
    margin: 0 auto;
}

.section-subtitle {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

/* =========================
   FEATURES SECTION
   ========================= */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-md);
}

.feature-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
}

.feature-stats {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
}

.stat-highlight {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-600);
}

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

.feature-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

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

.feature-item .feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: all var(--transition-normal);
}

.feature-item:hover .feature-icon {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.1);
}

.feature-item .feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-item .feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* =========================
   SERVICES SECTION
   ========================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--space-12);
}

.service-card {
    background: var(--bg-primary);
    padding: var(--space-10);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-secondary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-2xl);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.service-title-section {
    flex: 1;
}

.service-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.service-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    margin: 0;
}

.service-description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-8);
    font-size: var(--font-size-lg);
}

.service-features {
    margin-bottom: var(--space-8);
}

.feature-item1 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: var(--text-secondary);
}

.feature-item1 i {
    color: var(--success-500);
    font-size: var(--font-size-sm);
    width: 16px;
}

/* =========================
   HOW IT WORKS SECTION
   ========================= */
.how-it-works {
    background: var(--bg-secondary);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.step-item {
    flex: 1;
    min-width: 280px;
    max-width: 320px;
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    box-shadow: var(--shadow-lg);
}

.step-number span {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.step-content {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.step-content:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.step-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-100);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    font-size: var(--font-size-xl);
    margin: 0 auto var(--space-4);
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.step-arrow {
    font-size: var(--font-size-2xl);
    color: var(--primary-400);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(8px); }
}

.step-connector {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.connector-line {
    width: 60px;
    height: 2px;
    background: var(--border-light);
}

.connector-arrow i {
    color: var(--primary-400);
}

/* =========================
   TESTIMONIALS SECTION
   ========================= */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.testimonial-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-content {
    margin-bottom: var(--space-6);
}

.testimonial-stars {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.testimonial-stars i {
    color: var(--warning-500);
    font-size: var(--font-size-sm);
}

.testimonial-text {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: var(--font-size-lg);
}

.author-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

/* =========================
   PAGE HEADER
   ========================= */
.main-content {
    margin-top: 0px;
}

.page-header {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    padding-top: 4%;
    padding-bottom: 0%;
    text-align: center;
}

.page-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

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

.breadcrumb i {
    color: var(--text-muted);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.page-description {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* =========================
   UPLOAD SECTION
   ========================= */
.upload-section {
    padding: var(--spacing-3xl) 0;
}

.upload-container {
    max-width: 800px;
    margin: 0 auto;
}

.upload-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.upload-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.upload-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.upload-form {
    background: #f1f5f9;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.upload-area {
    position: relative;
    background-color: rgba(249, 249, 252, 0.836);
    border: 2px dashed #6163bd;
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    margin-bottom: var(--spacing-xl);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.upload-content {
    pointer-events: none;
    width: 100%;
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    animation: upload-bounce 2s ease-in-out infinite;
}

@keyframes upload-bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.upload-text {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.upload-subtext {
    color: var(--text-secondary);
}

.upload-link {
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
}

.upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.upload-area.dragover .upload-overlay {
    opacity: 1;
}

.overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--primary-color);
    font-weight: 600;
}

.overlay-content i {
    font-size: 2rem;
}

.file-info {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

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

.file-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.file-text {
    flex: 1;
    min-width: 0;
}

.file-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    word-break: break-word;
}

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

.file-remove {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    flex-shrink: 0;
}

.file-remove:hover {
    background: rgba(239, 68, 68, 0.1);
}

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

.supported-formats {
    text-align: center;
}

.supported-formats h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.format-list {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.format-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.format-item i {
    color: var(--primary-color);
}

/* =========================
   PROCESSING SECTION
   ========================= */
.processing-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

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

.processing-content {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.processing-animation {
    margin-bottom: var(--spacing-2xl);
}

.ai-brain {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
}

.ai-brain i {
    font-size: 4rem;
    color: var(--primary-color);
    animation: brain-think 2s ease-in-out infinite;
}

@keyframes brain-think {
    0%, 100% {
        transform: scale(1);
        color: var(--primary-color);
    }
    50% {
        transform: scale(1.1);
        color: var(--primary-light);
    }
}

.brain-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

.processing-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.processing-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
}

.processing-steps {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.processing-steps .step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    min-width: 120px;
    opacity: 0.5;
}

.processing-steps .step-item.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    opacity: 1;
}

.processing-steps .step-item i {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.processing-steps .step-item span {
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
}

.processing-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.processing-dots .dot {
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: dot-bounce 1.4s ease-in-out infinite both;
}

.processing-dots .dot:nth-child(1) { animation-delay: -0.32s; }
.processing-dots .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes dot-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: width var(--transition-normal);
    width: 0%;
}

/* =========================
   RESULTS SECTION
   ========================= */
.results-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.results-container {
    max-width: 900px;
    margin: 0 auto;
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    font-size: 2rem;
    animation: success-bounce 0.6s ease-out;
}

@keyframes success-bounce {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.results-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.results-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.solution-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.solution-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 1px solid #e5e7eb;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.solution-info {
    flex: 1;
    min-width: 200px;
}

.solution-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.solution-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.solution-type,
.solution-language {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.solution-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.solution-preview {
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid #e5e7eb;
}

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

.preview-header h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.preview-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.preview-close:hover {
    color: var(--error-color);
    background: rgba(239, 68, 68, 0.1);
}

.preview-content {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid #e5e7eb;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    max-height: 400px;
    overflow-y: auto;
}

.results-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* =========================
   Q&A SECTION
   ========================= */
.qa-section {
    padding: var(--spacing-3xl) 0;
}

.qa-container {
    max-width: 800px;
    margin: 0 auto;
}

.qa-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.qa-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.qa-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.qa-form {
    background: #f5f5fd;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.question-input-container {
    margin-bottom: var(--spacing-xl);
}

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

.input-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.input-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.input-action {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.input-action:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.input-wrapper {
    position: relative;
}

.question-textarea {
    width: 100%;
    min-height: 200px;
    padding: var(--spacing-lg);
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--transition-fast);
}

.question-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.input-counter {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-muted);
    background: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

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

.question-examples {
    text-align: center;
}

.question-examples h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.example-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.example-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.example-item:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.example-item i {
    color: var(--primary-color);
    font-size: 1rem;
    flex-shrink: 0;
}

/* =========================
   ANSWER SECTION
   ========================= */
.answer-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.answer-container {
    max-width: 900px;
    margin: 0 auto;
}

.answer-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.answer-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.answer-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.answer-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.answer-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 1px solid #e5e7eb;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.question-display {
    flex: 1;
    min-width: 200px;
}

.question-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.question-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.answer-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.answer-content {
    padding: var(--spacing-xl);
}

.answer-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.answer-label i {
    color: var(--primary-color);
}

.answer-text {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    line-height: 1.6;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.answer-footer {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* =========================
   FAQ SECTION
   ========================= */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

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

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.faq-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.faq-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.faq-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.faq-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

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

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: rgba(99, 102, 241, 0.05);
}

.faq-question[aria-expanded="true"] {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.faq-question i {
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.faq-question[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* =========================
   TIPS SECTION
   ========================= */
.tips-section {
    padding: var(--space-32) 0;
    background: var(--bg-secondary);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.tip-item {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.tip-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.tip-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: var(--font-size-2xl);
}

.tip-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.tip-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

/* =========================
   MISSION & VALUES
   ========================= */
.mission-section, .values-section {
    padding: var(--spacing-3xl) 0;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.mission-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.mission-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.mission-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.values-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

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

/* =========================
   PRIVACY & SOCIAL SECTIONS
   ========================= */
.privacy-section {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-secondary);
}

.privacy-content {
    display: grid;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.policy-block {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.policy-block:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.policy-block h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.policy-block p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.policy-block a {
    color: var(--primary-color);
    font-weight: 500;
}

.policy-block a:hover {
    color: var(--primary-dark);
}

.social-section {
    padding: var(--spacing-4xl) 0;
    padding-bottom: 3%;
    background: var(--bg-primary);
    text-align: center;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), background var(--transition-normal), color var(--transition-normal);
}

.social-icon:hover {
    transform: translateY(-4px);
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

/* =========================
   BLOG SECTION
   ========================= */
.hero-hero {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-hero);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-panel {
    padding: var(--spacing-xl);
    margin: 5%;
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(6px);
}

.hero-panel h1 {
    margin: 0 0 0.5rem 0;
    color: var(--text-white);
    font-size: 2.25rem;
    line-height: 1.08;
}

.hero-panel p {
    color: rgba(255,255,255,0.9);
    margin: 0 0 1rem 0;
}

.hero-stat {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: rgba(255,255,255,0.06);
    border-radius: 999px;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.95);
}

.hero-visual .card {
    width: 100%;
    max-width: 320px;
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.filter-card {
    margin-top: calc(var(--spacing-xs));
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.filter-left {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex: 1 1 auto;
}

.filter-search {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    min-width: 260px;
    border: 1px solid rgba(15,23,42,0.04);
}

.filter-search input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.95rem;
    color: var(--text-primary);
    width: 100%;
}

.filter-controls {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.pill {
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    font-size: 0.9rem;
    background: transparent;
    border: 1px solid rgba(15,23,42,0.06);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pill.active {
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    box-shadow: var(--shadow-sm);
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.view-toggle button {
    background: transparent;
    border: 1px solid rgba(15,23,42,0.06);
    padding: 0.45rem 0.6rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-toggle button.active {
    background: var(--primary-dark);
    color: var(--text-white);
    border-color: var(--primary-dark);
}

.featured-post-section {
    padding: var(--spacing-xl) 0;
    background: transparent;
}

.featured-post {
    display: grid;
    grid-template-columns: 1fr 1.9fr;
    gap: var(--spacing-xl);
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,250,252,0.98));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-decoration: none;
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.featured-post:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.featured-post-image {
    position: relative;
    background: var(--gradient-primary);
    padding: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.featured-post-image .featured-icon {
    font-size: 5rem;
    color: var(--text-white);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: var(--accent-color);
    color: white;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
}

.featured-post-content {
    padding: var(--spacing-lg);
}

.post-category {
    display: inline-block;
    background: rgba(99,102,241,0.08);
    color: var(--primary-dark);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
}

.featured-post-content h3 {
    color: var(--text-primary);
    margin: 0.25rem 0 0.6rem;
}

.blog-section {
    padding: var(--spacing-2xl) 0;
    background: transparent;
}

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

.blog-card {
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid rgba(15,23,42,0.04);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.blog-link {
    color: inherit;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-image {
    position: relative;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(99,102,241,0.85), rgba(139,92,246,0.85));
}

.blog-icon {
    font-size: 3.5rem;
    color: white;
}

.blog-category {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(255,255,255,0.95);
    color: var(--primary-dark);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
}

.blog-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex: 1 1 auto;
}

.blog-title {
    font-size: 1.15rem;
    color: var(--text-primary);
    line-height: 1.35;
    margin: 0;
}

.blog-excerpt {
    font-size: 0.98rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0.15rem 0 0.6rem;
    flex: 1 1 auto;
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.9rem;
    align-items: center;
}

.blog-grid.list-view .blog-card {
    flex-direction: row;
    gap: 0;
}

.blog-grid.list-view .blog-image {
    min-width: 180px;
    min-height: 140px;
    flex: 0 0 180px;
    border-radius: 0;
}

.blog-grid.list-view .blog-content {
    padding: var(--spacing-md);
}

.resources-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-tertiary);
}

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

.resource-card {
    background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(15,23,42,0.04);
}

/* =========================
   ARTICLE PAGE
   ========================= */
.article-hero {
    padding: 5rem 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.8), rgba(255,255,255,0.5));
}

.article-hero-inner {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1.5rem;
    align-items: start;
}

.hero-left {
    padding-right: 1rem;
}

.hero-right {
    padding-left: 1rem;
}

.article-title {
    font-family: var(--font-primary);
    font-size: 2.4rem;
    color: var(--text-primary);
    line-height: 1.15;
    margin: 2% 0 3%;
}

.post-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.tags .tag {
    margin-left: 0.4rem;
    background: var(--bg-primary);
    border: 1px solid var(--bg-secondary);
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--primary-dark);
}

.lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    background: linear-gradient(90deg, rgba(99,102,241,0.03), rgba(16,185,129,0.02));
    padding: 1rem;
    border-radius: 0.6rem;
    margin-bottom: 1.5rem;
}

.article-body {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    align-items: start;
    margin-bottom: 3rem;
}

.content {
    width: 100%;
    background: transparent;
}

.sidebar {
    width: 100%;
    position: relative;
}

.content h2 {
    font-size: 1.6rem;
    margin-top: 1.2rem;
    color: var(--text-primary);
}

.content h3 {
    font-size: 1.25rem;
    margin-top: 1rem;
    color: var(--text-primary);
}

.content p, .content li {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.content ul, .content ol {
    margin-left: 1.25rem;
}

pre {
    background: #0b1220;
    color: #ffffff;
    padding: 1rem;
    border-radius: 0.6rem;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    margin: 1rem 0;
    box-shadow: var(--shadow-lg);
}

code {
    background: rgba(62, 62, 92, 0.25);
    backdrop-filter: blur(2px);
    padding: 0.15rem 0.35rem;
    border-radius: 6px;
    color: #ffffff;
    font-family: var(--font-mono);
}

.toc-card {
    position: sticky;
    top: 96px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.toc-title {
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc-list li {
    margin: 0.45rem 0;
}

.toc-list a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.95rem;
}

.toc-list a:hover {
    text-decoration: underline;
}

.related, .cta-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    margin-bottom: 1rem;
}

.related-link {
    display: block;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    text-decoration: none;
    color: var(--text-primary);
}

.related-link:last-child {
    border-bottom: none;
}

.related-link .excerpt {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0.25rem 0 0;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1rem;
    margin-top: 1.2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.post-tags .tag {
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-size: 0.9rem;
    color: var(--primary-dark);
}

/* =========================
   FOOTER
   ========================= */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--space-8) 0 var(--space-3);
}

.footer-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--content-padding-x);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    margin-bottom: var(--space-5);
    font-size: 90%;
}

.footer-section {
    color: rgba(255, 255, 255, 0.9);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--space-4);
}

.footer-description {
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
    color: rgba(255, 255, 255, 0.8);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-text {
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-4);
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    color: var(--success-300);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-3);
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-6);
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: white;
}

/* =========================
   BACK TO TOP BUTTON
   ========================= */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* =========================
   AOS ANIMATIONS
   ========================= */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

/* =========================
   RESPONSIVE DESIGN (UPDATED)
   ========================= */

@media (min-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr 1fr;
    }
    .mission-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .values-list {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 1100px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-inner {
        grid-template-columns: 1fr;
    }
    .hero-visual {
        order: -1;
    }
    .filter-card {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 1024px) {
    .nav-menu { display: none; }
    .mobile-toggle { display: flex; }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }

    .hero-stats { justify-content: center; }

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

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

    .steps-container { flex-direction: column; }

    .step-arrow { transform: rotate(90deg); }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 768px) {
    :root {
        --content-padding-x: var(--space-4);
        --section-padding-y: var(--space-12);
    }

    .main-content { padding-top: 70px; }
    .navbar { height: 70px; }

    .hero {
        min-height: 90vh;
        padding: var(--space-8) 0;
    }

    .hero-title { font-size: var(--font-size-4xl); }
    .hero-description { font-size: var(--font-size-base); }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-large {
        width: 100%;
        max-width: 200px;
    }

    .section-title { font-size: var(--font-size-3xl); }

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

    .feature-card,
    .service-card {
        padding: var(--space-6);
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }

    .mobile-nav { width: 100%; }

    /* Fix article text cutting edges */
    .content,
    .article-body,
    .article-hero-inner {
        padding: 0 1rem;
    }

    .content p,
    .content li,
    .lead {
        text-align: justify;
        word-break: break-word;
    }

    pre {
        overflow-x: auto;
        white-space: pre-wrap;
        word-wrap: break-word;
    }
}

@media (max-width: 720px) {
    .blog-grid,
    .resources-grid,
    .article-body,
    .article-hero-inner,
    .featured-post {
        grid-template-columns: 1fr;
    }

    .hero-panel h1 { font-size: 1.5rem; }
    .hero-panel p { font-size: 0.95rem; }
    .values-list { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    :root { --content-padding-x: var(--space-2); }

    .hero-title { font-size: var(--font-size-3xl); }
    .section-title { font-size: var(--font-size-2xl); }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-2);
    }

    .step-item { min-width: auto; }

    .back-to-top {
        bottom: var(--space-4);
        right: var(--space-4);
    }
}

/* =========================
   ACCESSIBILITY
   ========================= */
*:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

a:focus,
button:focus,
input:focus {
    outline: 3px solid rgba(99,102,241,0.18);
    outline-offset: 2px;
    border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    * {
        transition: none !important;
        animation: none !important;
    }
}

@media (prefers-contrast: high) {
    :root {
        --border-light: var(--gray-400);
        --border-medium: var(--gray-600);
        --text-secondary: var(--gray-800);
    }
}

/* =========================
   TOAST NOTIFICATIONS
   ========================= */
.toast-container {
    position: fixed;
    top: 80px;
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    min-width: 300px;
    max-width: 400px;
    transform: translateX(400px);
    transition: transform var(--transition-normal);
}

.toast.show {
    transform: translateX(0);
}

.toast-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    background: var(--success-100);
    color: var(--success-600);
}

.toast.error .toast-icon {
    background: var(--error-100);
    color: var(--error-600);
}

.toast.warning .toast-icon {
    background: var(--warning-100);
    color: var(--warning-600);
}

.toast.info .toast-icon {
    background: var(--primary-100);
    color: var(--primary-600);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

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

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

/* =========================
   MISC UTILITIES
   ========================= */
html, body {
    overflow-x: hidden;
    width: 100%;
}

.service-action {
    margin-top: var(--space-6);
}

.editor-actions button {
    background: transparent;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--space-2);
    transition: color var(--transition-fast);
}

.editor-actions button:hover {
    color: white;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-400);
}

/* Selection styling */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

::-moz-selection {
    background: var(--primary-200);
    color: var(--primary-900);
}