/* style.css - Estilos Aprimorados */

/* Variáveis CSS */
:root {
    /* Cores principais */
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #a3bffa;
    --secondary: #764ba2;
    --secondary-dark: #6b46c1;
    --accent: #f56565;
    --accent-dark: #e53e3e;
    
    /* Tons de cinza */
    --dark: #1a202c;
    --dark-light: #2d3748;
    --gray-dark: #4a5568;
    --gray: #718096;
    --gray-light: #a0aec0;
    --gray-lighter: #e2e8f0;
    --light: #f7fafc;
    --white: #ffffff;
    
    /* Cores funcionais */
    --success: #48bb78;
    --warning: #ed8936;
    --danger: #f56565;
    --info: #4299e1;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* Bordas */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-dark: linear-gradient(135deg, var(--dark), var(--dark-light));
    --gradient-success: linear-gradient(135deg, var(--success), #38a169);
}

/* Reset e Estilos Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

body.demo-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Seções */
.section {
    padding: 80px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    background: rgba(102, 126, 234, 0.1);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loading-content {
    text-align: center;
    color: white;
}

.loading-logo {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Cookie Consent */
.cookie-consent {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: white;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    animation: slideUp 0.5s ease forwards;
    max-width: 400px;
}

@keyframes slideUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    padding: 15px 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    text-decoration: none;
}

.logo-icon {
    font-size: 2rem;
}

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

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-link {
    color: var(--gray-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

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

.nav-demo-btn {
    background: var(--gradient-primary);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.05) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title-line {
    display: block;
}

.highlight {
    color: var(--primary);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(102, 126, 234, 0.2);
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 1rem;
}

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

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

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

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

.btn-outline {
    background: transparent;
    color: var(--dark);
    border-color: var(--gray-lighter);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-with-icon {
    padding-left: 24px;
    padding-right: 24px;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #128C7E;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--success);
    font-weight: 500;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: 4px;
}

.hero-image {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
}

.chat-mockup {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

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

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

.mockup-header {
    background: var(--gradient-primary);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.mockup-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: 1.5rem;
}

.mockup-info h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.mockup-info p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.mockup-typing {
    margin-left: auto;
}

.typing-indicator {
    display: flex;
    gap: 4px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

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

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

.mockup-messages {
    padding: 20px;
    min-height: 200px;
    background: var(--light);
}

.message {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    margin-bottom: 12px;
    animation: slideIn 0.3s ease;
}

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

.message.received {
    background: white;
    color: var(--dark);
    border-bottom-left-radius: 4px;
    align-self: flex-start;
}

.message.sent {
    background: var(--gradient-primary);
    color: white;
    border-bottom-right-radius: 4px;
    align-self: flex-end;
    margin-left: auto;
}

.quick-replies {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.quick-reply {
    background: white;
    border: 1px solid var(--gray-lighter);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 0.875rem;
    color: var(--gray-dark);
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-reply:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.mockup-input {
    display: flex;
    padding: 20px;
    background: white;
    border-top: 1px solid var(--gray-lighter);
}

.mockup-input input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius-full);
    font-size: 1rem;
}

.mockup-input button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    margin-left: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mockup-input button:hover {
    transform: scale(1.05);
}

/* Logos Section */
.logos-section {
    padding: 60px 0;
    background: white;
}

.logos-title {
    text-align: center;
    color: var(--gray);
    margin-bottom: 40px;
    font-size: 1.125rem;
}

.logos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-dark);
    padding: 20px;
    background: var(--light);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

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

.logo-item i {
    color: var(--primary);
    font-size: 1.5rem;
}

/* What Is */
.what-is-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: 16px;
    background: white;
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.checklist {
    list-style: none;
    margin: 24px 0;
}

.checklist li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1.125rem;
}

.checklist i {
    color: var(--success);
    font-size: 1.25rem;
}

.code-snippet {
    background: var(--dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.code-header {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    background: var(--dark-light);
    border-bottom: 1px solid var(--gray-dark);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27ca3f; }

.code-title {
    color: var(--gray-light);
    font-family: monospace;
    margin-left: 12px;
}

.code-snippet pre {
    margin: 0;
    padding: 24px;
    overflow-x: auto;
}

.code-snippet code {
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

.code-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--dark-light);
    border-top: 1px solid var(--gray-dark);
    color: var(--gray-light);
    cursor: pointer;
}

.code-footer:hover {
    color: white;
}

/* Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.benefit-card p {
    color: var(--gray);
    margin-bottom: 20px;
}

.benefit-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: gap 0.3s ease;
}

.benefit-link:hover {
    gap: 12px;
}

/* How It Works */
.steps {
    display: grid;
    gap: 40px;
    margin-bottom: 60px;
}

.step {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--gray);
}

.process-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.process-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.process-icon {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.process-item:hover .process-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.process-arrow {
    color: var(--gray-light);
    font-size: 1.5rem;
}

/* Demo Section */
.demo-section {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.demo-text .section-label {
    margin-bottom: 16px;
}

.demo-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 24px 0;
}

.demo-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.demo-feature i {
    color: var(--success);
}

.demo-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: white;
    padding: 16px;
    border-radius: var(--radius-lg);
    margin: 24px 0;
    border-left: 4px solid var(--warning);
}

.demo-note i {
    color: var(--warning);
    font-size: 1.25rem;
}

.demo-chat-preview {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.chat-preview-header {
    background: var(--gradient-primary);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-preview-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: 1.5rem;
}

.chat-preview-messages {
    padding: 20px;
    min-height: 200px;
    background: var(--light);
}

.msg-in, .msg-out {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    margin-bottom: 12px;
}

.msg-in {
    background: white;
    color: var(--dark);
    border-bottom-left-radius: 4px;
}

.msg-out {
    background: var(--gradient-primary);
    color: white;
    border-bottom-right-radius: 4px;
    margin-left: auto;
}

.quick-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.quick-option {
    background: white;
    border: 1px solid var(--gray-lighter);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 0.875rem;
    color: var(--gray-dark);
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-option:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.chat-preview-input {
    display: flex;
    padding: 20px;
    background: white;
    border-top: 1px solid var(--gray-lighter);
}

.chat-preview-input input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius-full);
    font-size: 1rem;
}

.chat-preview-input button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    margin-left: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-preview-input button:hover {
    transform: scale(1.05);
}

/* Pricing */
.pricing {
    background: white;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    font-weight: 500;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gray-lighter);
    transition: .4s;
    border-radius: 34px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background: var(--gradient-primary);
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.discount-badge {
    background: var(--success);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid var(--gray-lighter);
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-description {
    color: var(--gray);
    margin-bottom: 20px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray);
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
}

.period {
    color: var(--gray);
    font-size: 1rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1rem;
}

.pricing-features i.fa-check {
    color: var(--success);
}

.pricing-features i.fa-times {
    color: var(--gray-light);
}

.pricing-notes {
    text-align: center;
    margin-top: 40px;
    color: var(--gray);
}

.pricing-notes i {
    color: var(--primary);
    margin-right: 8px;
}

/* FAQ */
.faq {
    background: var(--light);
}

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

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-item.active .faq-question {
    background: var(--light);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-question {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--light);
}

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.faq-question i {
    color: var(--gray);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px 24px;
    display: none;
}

.faq-answer p {
    color: var(--gray);
}

.faq-cta {
    text-align: center;
    margin-top: 40px;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 30px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

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

.testimonial-content {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--gray-dark);
    margin-bottom: 24px;
    position: relative;
}

.testimonial-content::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary-light);
    position: absolute;
    top: -20px;
    left: -10px;
    opacity: 0.3;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 1.125rem;
    margin-bottom: 4px;
}

.testimonial-author p {
    color: var(--gray);
    font-size: 0.875rem;
}

/* CTA */
.cta {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='20' viewBox='0 0 100 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M21.184 20c.357-.13.72-.264 1.088-.402l1.768-.661C33.64 15.347 39.647 14 50 14c10.271 0 15.362 1.222 24.629 4.928.955.383 1.869.74 2.75 1.072h6.225c-2.51-.73-5.139-1.691-8.233-2.928C65.888 13.278 60.562 12 50 12c-10.626 0-16.855 1.397-26.66 5.063l-1.767.662c-2.475.923-4.66 1.674-6.724 2.275h6.335zm0-20C13.258 2.892 8.077 4 0 4V2c5.744 0 9.951-.574 14.85-2h6.334zM77.38 0C85.239 2.966 90.502 4 100 4V2c-6.842 0-11.386-.542-16.396-2h-6.225zM0 14c8.44 0 13.718-1.21 22.272-4.402l1.768-.661C33.64 5.347 39.647 4 50 4c10.271 0 15.362 1.222 24.629 4.928C84.112 12.722 89.438 14 100 14v-2c-10.271 0-15.362-1.222-24.629-4.928C65.888 3.278 60.562 2 50 2 39.374 2 33.145 3.397 23.34 7.063l-1.767.662C13.223 10.84 8.163 12 0 12v2z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

.cta-form {
    max-width: 500px;
    margin: 0 auto 40px;
}

.form-group {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.form-group input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
}

.form-note {
    font-size: 0.875rem;
    opacity: 0.8;
}

.form-note a {
    color: white;
    text-decoration: underline;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.cta-feature i {
    font-size: 1.5rem;
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-size: 1.125rem;
    margin-bottom: 20px;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--gray-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--dark-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.newsletter-form {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-full);
    background: var(--dark-light);
    color: white;
}

.newsletter-form button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    transform: scale(1.05);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--dark-light);
    color: var(--gray-light);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Floating Chat Button */
.floating-chat-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    z-index: 99;
    transition: all 0.3s ease;
}

.floating-chat-btn:hover {
    transform: scale(1.1);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Back Button */
.back-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    background: white;
    color: var(--dark);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    z-index: 101;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateX(-5px);
}

/* Demo Page Styles */
.demo-page .demo-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.demo-header {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 40px;
    align-items: center;
}

.demo-info {
    text-align: center;
}

.demo-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.demo-subtitle {
    color: var(--gray);
    font-size: 1.125rem;
}

.demo-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.demo-stats .stat {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-dark);
    font-weight: 500;
}

.demo-stats .stat i {
    color: var(--primary);
}

/* Instructions */
.instructions-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.card-header h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.75rem;
}

.time-estimate {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    background: var(--light);
    padding: 8px 16px;
    border-radius: var(--radius-full);
}

.instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.instruction {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: all 0.3s ease;
}

.instruction:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.instruction-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.instruction-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.instruction-content p {
    color: var(--gray);
    margin-bottom: 16px;
}

.instruction-tip {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--warning);
    font-size: 0.875rem;
}

/* Chatbox Section */
.chatbox-section {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}

.demo-tools {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 30px;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.tool-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tool-label {
    font-weight: 500;
    color: var(--gray-dark);
}

.tool-btn {
    background: white;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-full);
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.color-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 3px solid white;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.color-btn:hover {
    transform: scale(1.1);
}

.chat-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.control-btn {
    background: white;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-lg);
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.btn-danger {
    color: var(--danger);
    border-color: var(--danger);
}

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

.chatbox-wrapper {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 40px;
}

.device-frame {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    max-width: 800px;
    margin: 0 auto;
    min-height: 600px;
}

.chat-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.stat-card i {
    font-size: 2rem;
    color: var(--primary);
}

.stat-card h4 {
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 4px;
}

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

/* Examples */
.examples-section {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-top: 40px;
}

.examples-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    background: white;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-full);
    padding: 8px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
    margin-bottom: 30px;
}

.example-btn {
    background: white;
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius-lg);
    padding: 16px;
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.4;
}

.example-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.custom-message {
    display: flex;
    gap: 12px;
}

.custom-message input {
    flex: 1;
    padding: 16px 24px;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-full);
    font-size: 1rem;
}

.custom-message button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0 32px;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.custom-message button:hover {
    transform: scale(1.05);
}

/* Tech Section */
.tech-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--light);
    color: var(--gray-dark);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.tech-features {
    display: grid;
    gap: 30px;
    margin: 40px 0;
}

.tech-feature {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    align-items: start;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.feature-content h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-content p {
    color: var(--gray);
    margin-bottom: 16px;
}

.feature-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.feature-stats span {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--gray-dark);
    font-size: 0.875rem;
}

.feature-stats i {
    color: var(--primary);
}

/* Integration */
.integration-demo {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-top: 40px;
}

.integration-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.int-tab {
    background: white;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-full);
    padding: 8px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.int-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary);
}

.code-container {
    background: var(--dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.code-block {
    display: none;
}

.code-block.active {
    display: block;
}

.code-block .code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--dark-light);
    border-bottom: 1px solid var(--gray-dark);
    color: var(--gray-light);
}

.copy-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: var(--primary-dark);
}

.code-block pre {
    margin: 0;
    padding: 24px;
    overflow-x: auto;
}

.code-block code {
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

.integration-steps {
    margin-top: 30px;
}

.integration-steps h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.integration-steps ol {
    padding-left: 24px;
}

.integration-steps li {
    margin-bottom: 12px;
    color: var(--gray-dark);
}

/* Results */
.results-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.result-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.result-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.result-icon.success {
    background: var(--success);
}

.result-icon.warning {
    background: var(--warning);
}

.result-icon.primary {
    background: var(--primary);
}

.result-icon.info {
    background: var(--info);
}

.result-content h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.result-content p {
    color: var(--gray);
}

/* Demo Footer */
.demo-footer {
    background: var(--dark);
    color: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-top: 40px;
}

.footer-actions {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.stat-box {
    background: var(--dark-light);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.stat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.stat-header h4 {
    font-size: 1.125rem;
    margin: 0;
}

.stat-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.stat-value {
    font-weight: 600;
    font-size: 1.125rem;
}

.tech-stack {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.tech-item {
    background: var(--dark-light);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--gray-light);
}

/* Responsive */
@media (max-width: 1200px) {
    .hero-image {
        position: relative;
        width: 100%;
        top: auto;
        transform: none;
        margin-top: 60px;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .what-is-content,
    .demo-content {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        align-items: center;
        gap: 20px;
        z-index: 99;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .process-visual {
        flex-direction: column;
        gap: 20px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .demo-tools .toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }
    
    .tool-group {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .chat-controls {
        flex-direction: column;
    }
    
    .control-btn {
        width: 100%;
        justify-content: center;
    }
}
/* Adicione ao seu style.css */

/* Loading Screen Styles */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loading-content {
    text-align: center;
    color: white;
    animation: fadeIn 0.5s ease;
}

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

.loading-logo {
    font-size: 2.5rem;
    margin-bottom: 30px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-content p {
    font-size: 1rem;
    opacity: 0.8;
    margin-top: 10px;
}