/* ==========================================================================
   Simplyx - Modern IT Services Website
   ========================================================================== */

/* CSS Reset & Base Styles
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Tech-oriented Color Palette */
    --primary-color: #0066ff;
    --primary-dark: #0052cc;
    --primary-light: #3385ff;
    --secondary-color: #00d4ff;
    --accent-color: #7c3aed;
    --success-color: #00c896;
    --warning-color: #ff6b35;
    --danger-color: #ff3366;
    
    /* Neutral Colors */
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #999999;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    --gradient-dark: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;
}

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Container & Layout
   ========================================================================== */

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

/* Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.25rem;
}

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

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

/* Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    font-size: 1rem;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
}

/* Header & Navigation
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.nav-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.logo-tagline {
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--gray-50);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition-normal);
}

/* Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    color: var(--text-primary);
    margin: 0;
}

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

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin: 0;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 400px;
}

.tech-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.tech-card i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-card span {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

/* Section Headers
   ========================================================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

/* Services Section
   ========================================================================== */

.services {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border-top: 4px solid transparent;
    background-clip: padding-box;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-top-color: var(--primary-color);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-xl);
    margin-bottom: var(--spacing-lg);
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

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

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.service-features i {
    color: var(--success-color);
    font-size: 0.8rem;
}

/* About Section
   ========================================================================== */

.about {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.value-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.value-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
}

.value-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.value-content h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.value-content p {
    color: var(--text-secondary);
    margin: 0;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

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

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--gray-200);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: 0.9rem;
}

.team-info {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
}

.team-info h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.team-info p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Contact Section
   ========================================================================== */

.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
}

.contact-icon i {
    font-size: 1.2rem;
    color: var(--white);
}

.contact-details h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.contact-details p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Contact Form
   ========================================================================== */

.contact-form {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-normal);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label {
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Footer
   ========================================================================== */

.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: 0.8rem;
    color: var(--secondary-color);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--gray-300);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

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

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

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-300);
    transition: var(--transition-normal);
}

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

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

.footer-contact p {
    color: var(--gray-300);
    margin: 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.footer-contact i {
    color: var(--secondary-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-lg);
}

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

.footer-bottom-content p {
    color: var(--gray-400);
    margin: 0;
}

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

.footer-bottom-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

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

/* Form States & Messages
   ========================================================================== */

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.1);
}

.field-error {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.field-error::before {
    content: '⚠';
    font-size: 0.75rem;
}

.success-message {
    background: linear-gradient(135deg, var(--success-color), #00a876);
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideInFromTop 0.5s ease;
    box-shadow: var(--shadow-md);
}

.success-message i {
    font-size: 1.2rem;
    flex-shrink: 0;
}

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

/* Enhanced Mobile Styles
   ========================================================================== */

body.nav-open {
    overflow: hidden;
}

.nav-menu.active {
    z-index: 999;
}

.nav-menu.active::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

/* Responsive Design
   ========================================================================== */

@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        max-width: 300px;
    }
    
    .tech-grid {
        grid-template-columns: 1fr 1fr;
        max-width: 300px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tech-grid {
        grid-template-columns: 1fr;
        max-width: 200px;
    }
    
    .tech-card {
        padding: var(--spacing-lg);
    }
    
    .value-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

/* Animations & Effects
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.tech-card {
    animation: float 6s ease-in-out infinite;
}

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

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

.tech-card:nth-child(4) {
    animation-delay: -1s;
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

.btn.loading {
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Chatbot Widget
   ========================================================================== */

.chatbot-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
    font-family: var(--font-primary);
}

/* Chatbot Toggle Button */
.chatbot-toggle {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
    position: relative;
    border: none;
    outline: none;
}

.chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-2xl);
}

.chatbot-toggle:active {
    transform: scale(0.95);
}

.chatbot-icon,
.chatbot-close-icon {
    position: absolute;
    color: var(--white);
    font-size: 1.5rem;
    transition: all var(--transition-normal);
}

.chatbot-close-icon {
    opacity: 0;
    transform: rotate(180deg);
}

.chatbot-toggle.active .chatbot-icon {
    opacity: 0;
    transform: rotate(-180deg);
}

.chatbot-toggle.active .chatbot-close-icon {
    opacity: 1;
    transform: rotate(0deg);
}

.notification-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 12px;
    height: 12px;
    background: var(--danger-color);
    border-radius: 50%;
    border: 2px solid var(--white);
    animation: pulse 2s infinite;
    opacity: 0;
}

.notification-dot.show {
    opacity: 1;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
}

/* Chatbot Window */
.chatbot-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 550px;
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-2xl);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    visibility: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.chatbot-window.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    visibility: visible;
}

/* Chatbot Header */
.chatbot-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chatbot-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.chatbot-header-text h4 {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.chatbot-status {
    font-size: 0.8rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 4px;
}

.chatbot-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    display: inline-block;
}

.chatbot-minimize {
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.chatbot-minimize:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Chatbot Messages */
.chatbot-messages {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: var(--gray-50);
}

.chatbot-messages::-webkit-scrollbar {
    width: 4px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 2px;
}

.chatbot-message {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    animation: messageSlideIn 0.3s ease;
}

.chatbot-message.user-message {
    flex-direction: row-reverse;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.bot-message .message-avatar {
    background: var(--gradient-primary);
    color: var(--white);
}

.user-message .message-avatar {
    background: var(--gray-300);
    color: var(--text-primary);
}

.message-content {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 70%;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.user-message .message-content {
    background: var(--primary-color);
    color: var(--white);
}

.message-content p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.message-time {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-top: var(--spacing-xs);
    display: block;
}

/* Quick Actions */
.chatbot-quick-actions {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.quick-action-btn {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 4px;
}

.quick-action-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.quick-action-btn i {
    font-size: 0.7rem;
}

/* Chatbot Input */
.chatbot-input-container {
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

.chatbot-input-wrapper {
    padding: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.chatbot-input {
    flex: 1;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-normal);
    font-family: inherit;
}

.chatbot-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.1);
}

.chatbot-send-btn {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-send-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.chatbot-send-btn:disabled {
    background: var(--gray-300);
    cursor: not-allowed;
    transform: none;
}

/* Suggestions */
.chatbot-suggestions {
    padding: 0 var(--spacing-md) var(--spacing-md);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.suggestion-btn {
    background: transparent;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-lg);
    padding: 4px var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
}

.suggestion-btn:hover {
    background: var(--gray-100);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Chatbot Footer */
.chatbot-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.chatbot-disclaimer {
    font-size: 0.75rem;
    color: var(--text-light);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.chatbot-disclaimer a:hover {
    text-decoration: underline;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-sm);
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 50%;
    animation: typingAnimation 1.4s infinite ease-in-out;
}

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

@keyframes typingAnimation {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .chatbot-container {
        bottom: 10px;
        right: 10px;
    }
    
    .chatbot-window {
        width: calc(100vw - 20px);
        height: calc(100vh - 100px);
        bottom: 70px;
        right: -10px;
    }
    
    .chatbot-toggle {
        width: 50px;
        height: 50px;
    }
    
    .chatbot-icon,
    .chatbot-close-icon {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .chatbot-window {
        width: 100vw;
        height: calc(100vh - 80px);
        bottom: 60px;
        right: -20px;
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    }
    
    .message-content {
        max-width: 85%;
    }
}