/* ========================================
   CRONUSOFT - Main Styles
   Dark/Light Mode mit CSS Variables
   ======================================== */

:root {
    /* Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --border-color: #e0e0e0;

    /* Dark Mode */
    --bg-primary-dark: #0f172a;
    --bg-secondary-dark: #1a2139;
    --bg-tertiary-dark: #2d3748;
    --text-primary-dark: #e2e8f0;
    --text-secondary-dark: #cbd5e0;
    --text-tertiary-dark: #a0aec0;
    --border-color-dark: #2d3748;

    /* Brand Colors */
    --color-primary: #8b5cf6;    /* Lila */
    --color-secondary: #06b6d4;  /* Cyan */
    --color-accent: #4f46e5;     /* Indigo */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

:root[data-theme="dark"] {
    --bg-primary: var(--bg-primary-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --bg-tertiary: var(--bg-tertiary-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-tertiary: var(--text-tertiary-dark);
    --border-color: var(--border-color-dark);
}

/* ========================================
   Global Styles
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition), color var(--transition);
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(var(--bg-primary), 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: bold;
    text-decoration: none;
    color: var(--text-primary);
}

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

.logo-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width var(--transition);
}

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

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

.language-switcher {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    padding: 0.25rem;
    border-radius: 0.5rem;
}

.lang-btn {
    background: none;
    border: none;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    border-radius: 0.375rem;
    transition: all var(--transition);
}

.lang-btn.active {
    background: var(--color-primary);
    color: white;
}

.lang-btn:hover {
    background: var(--color-primary);
    color: white;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-primary);
    transition: transform var(--transition);
}

.theme-toggle:hover {
    transform: rotate(20deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 30px;
    padding: 0;
}

.hamburger span {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
    border-radius: 2px;
}

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

.hero {
    position: relative;
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 70px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
}

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

.blob {
    position: absolute;
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    opacity: 0.1;
    filter: blur(40px);
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: var(--color-primary);
    top: 10%;
    right: 10%;
    animation: float 6s ease-in-out infinite;
}

.blob-2 {
    width: 250px;
    height: 250px;
    background: var(--color-secondary);
    bottom: 20%;
    left: 5%;
    animation: float 8s ease-in-out infinite reverse;
}

.blob-3 {
    width: 200px;
    height: 200px;
    background: var(--color-accent);
    top: 50%;
    left: 50%;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(30px) rotate(10deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-lg);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    width: 100%;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: rgba(139, 92, 246, 0.08);
    border-radius: 1rem;
    border: 2px solid rgba(139, 92, 246, 0.2);
    transition: all var(--transition);
    min-width: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--color-primary);
    transform: translateY(-6px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.2rem;
    margin-bottom: 0.75rem;
}

.stat-percent {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    font-weight: 700;
    margin: 0;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

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

.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 0.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* ========================================
   Sections
   ======================================== */

section {
    padding: var(--spacing-2xl) var(--spacing-lg);
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   Trust Bar
   ======================================== */

.trust-bar {
    background: var(--bg-secondary);
    padding: var(--spacing-xl) var(--spacing-lg);
}

.trust-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.trust-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.tech-item {
    background: var(--bg-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0.5rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

.services {
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
    border-color: var(--color-primary);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

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

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

/* ========================================
   Portfolio
   ======================================== */

.portfolio {
    background: var(--bg-secondary);
}

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

.portfolio-item {
    background: var(--bg-primary);
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.15);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
}

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

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

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

.portfolio-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.portfolio-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition);
}

.portfolio-link:hover {
    gap: 1rem;
}

/* ========================================
   Process
   ======================================== */

.process {
    background: var(--bg-primary);
}

.process-steps {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    align-items: center;
}

.step {
    text-align: center;
    max-width: 200px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin: 0 auto var(--spacing-md);
}

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

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

.step-arrow {
    font-size: 2rem;
    color: var(--color-primary);
    display: none;
}

/* ========================================
   Pricing
   ======================================== */

.pricing {
    background: var(--bg-secondary);
}

.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-2xl);
}

.toggle-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition);
}

.toggle-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.toggle-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.pricing-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: 0.75rem;
    border: 2px solid var(--border-color);
    transition: all var(--transition);
    position: relative;
}

.pricing-card.featured {
    transform: scale(1.05);
    border-color: var(--color-primary);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.2);
}

.pricing-card:hover {
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.15);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.pricing-plan {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: var(--spacing-lg);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

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

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

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

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    min-height: 150px;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓ ';
    color: var(--color-success);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* ========================================
   Customer Portal CTA
   ======================================== */

.customer-portal-cta {
    background: var(--bg-primary);
}

.portal-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.feature {
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

/* ========================================
   Support Section
   ======================================== */

.support {
    background: var(--bg-secondary);
}

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

.support-info {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.support-info h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    color: var(--text-primary);
}

.support-info h3:first-child {
    margin-top: 0;
}

.support-info p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.support-info a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.support-info a:hover {
    text-decoration: underline;
}

/* ========================================
   Forms
   ======================================== */

.ticket-form {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ========================================
   CTA Section
   ======================================== */

.cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: white;
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta .btn {
    margin-top: var(--spacing-md);
}

/* ========================================
   Chat Widget
   ======================================== */

.chat-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
    transition: all var(--transition);
    z-index: 999;
}

.chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.chat-widget {
    position: fixed;
    bottom: 80px;
    right: 2rem;
    width: 350px;
    height: 500px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    z-index: 999;
    overflow: hidden;
}

.chat-widget.active {
    display: flex;
}

.chat-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h3 {
    font-size: var(--font-size-lg);
    margin: 0;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.chat-message {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.chat-message.user {
    justify-content: flex-end;
}

.chat-message-content {
    max-width: 80%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0.5rem;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.chat-message.bot .chat-message-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.chat-message.user .chat-message-content {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
}

.chat-input-wrapper {
    display: flex;
    gap: 0.5rem;
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.chat-input {
    flex: 1;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
}

.chat-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.chat-send {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border: none;
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition);
}

.chat-send:hover {
    transform: translateY(-2px);
}

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

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition);
}

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

.footer-section p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ========================================
   Utility Classes
   ======================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}