/* VAI Operator Landing Page - CSS */
/* Blue/Violet Color Scheme with Language Switch & Form Integration */

/* ================================ */
/* CSS VARIABLES x */
/* ================================ */

:root {
    /* Color Palette - Blue/Violet Theme */
    --vai-primary: #6366f1;      /* Indigo */
    --vai-primary-light: #818cf8;
    --vai-primary-dark: #4f46e5;
    --vai-secondary: #8b5cf6;     /* Violet */
    --vai-accent: #06b6d4;       /* Cyan */
    --vai-success: #10b981;      /* Emerald */
    --vai-warning: #f59e0b;      /* Amber */
    --vai-danger: #ef4444;       /* Red */
    
    /* Neutral Colors */
    --vai-dark: #0f172a;         /* Slate 900 */
    --vai-dark-light: #1e293b;   /* Slate 800 */
    --vai-gray: #334155;         /* Slate 700 */
    --vai-gray-light: #64748b;   /* Slate 500 */
    --vai-light: #f8fafc;        /* Slate 50 */
    --vai-white: #ffffff;
    
    /* Gradients */
    --vai-gradient-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --vai-gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    --vai-gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --vai-gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
    
    /* Shadows */
    --vai-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --vai-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --vai-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --vai-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --vai-shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Blur Effects */
    --vai-blur-sm: blur(4px);
    --vai-blur: blur(8px);
    --vai-blur-lg: blur(16px);
    
    /* Spacing */
    --vai-container-padding: 1rem;
    --vai-section-padding: 5rem 0;
    --vai-card-padding: 2rem;
    
    /* Typography */
    --vai-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --vai-font-size-xs: 0.75rem;
    --vai-font-size-sm: 0.875rem;
    --vai-font-size-base: 1rem;
    --vai-font-size-lg: 1.125rem;
    --vai-font-size-xl: 1.25rem;
    --vai-font-size-2xl: 1.5rem;
    --vai-font-size-3xl: 1.875rem;
    --vai-font-size-4xl: 2.25rem;
    --vai-font-size-5xl: 3rem;
    --vai-font-size-6xl: 3.75rem;
    
    /* Transitions */
    --vai-transition-fast: all 0.15s ease-in-out;
    --vai-transition: all 0.3s ease-in-out;
    --vai-transition-slow: all 0.5s ease-in-out;
    
    /* Border Radius */
    --vai-radius-sm: 0.375rem;
    --vai-radius: 0.5rem;
    --vai-radius-lg: 0.75rem;
    --vai-radius-xl: 1rem;
    --vai-radius-2xl: 1.5rem;
    --vai-radius-full: 9999px;
}

/* ================================ */
/* LANGUAGE SWITCHER STYLES */
/* ================================ */

.language-switcher {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 20000;
    display: flex;
    gap: 0.5rem;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

@media (max-width: 767px) {
    .language-switcher {
    top: 50%;
}
}

.lang-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vai-gray-light);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.lang-btn.active {
    background: #e2f12c;
    color: var(--vai-white);
    transform: scale(1.1);
}

/* Language content visibility */
[data-lang="en"] {
    display: none;
}

[data-lang="fr"] {
    display: none;
}

/* Show content based on current language */
[data-current-lang="en"] [data-lang="en"],
[data-current-lang="fr"] [data-lang="fr"] {
    display: inline;
}

/* Block elements */
[data-current-lang="en"] [data-lang="en"].block,
[data-current-lang="fr"] [data-lang="fr"].block {
    display: block;
}

/* Flex elements */
[data-current-lang="en"] [data-lang="en"].flex,
[data-current-lang="fr"] [data-lang="fr"].flex {
    display: flex;
}

/* ================================ */
/* RESET AND BASE STYLES */
/* ================================ */

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

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

body {
    font-family: var(--vai-font-family);
    font-size: var(--vai-font-size-base);
    line-height: 1.6;
    color: var(--vai-light);
    background: var(--vai-gradient-bg);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ================================ */
/* LAYOUT COMPONENTS */
/* ================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--vai-container-padding);
}

.section {
    padding: var(--vai-section-padding);
}

/* ================================ */
/* HEADER */
/* ================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: var(--vai-blur);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    transition: var(--vai-transition);
}

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

.logo {
    text-decoration: none;
    color: var(--vai-white);
    font-size: var(--vai-font-size-xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-image {
    height: 40px;
    width: auto;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* ================================ */
/* BUTTONS */
/* ================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--vai-radius-lg);
    font-size: var(--vai-font-size-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--vai-transition);
    position: relative;
    overflow: hidden;
}

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

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

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--vai-font-size-base);
}

/* ================================ */
/* HERO SECTION */
/* ================================ */

.hero {
    padding: 10rem 0 6rem;
    background: var(--vai-gradient-bg);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    space-y: 2rem;
}

.hero-title {
    font-size: var(--vai-font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--vai-white);
    margin-bottom: 1.5rem;
}

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

.hero-subtitle {
    font-size: var(--vai-font-size-xl);
    color: var(--vai-gray-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--vai-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--vai-font-size-3xl);
    font-weight: 800;
    color: var(--vai-primary-light);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: var(--vai-font-size-sm);
    color: var(--vai-gray-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* ================================ */
/* DASHBOARD PREVIEW */
/* ================================ */

.hero-visual {
    position: relative;
}

.dashboard-preview {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--vai-radius-2xl);
    padding: 2rem;
    backdrop-filter: var(--vai-blur);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--vai-transition);
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(2deg);
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dashboard-logo {
    font-size: var(--vai-font-size-2xl);
}

.dashboard-title {
    font-size: var(--vai-font-size-lg);
    font-weight: 600;
    color: var(--vai-white);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.dashboard-metric {
    text-align: center;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--vai-radius-lg);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.metric-value {
    font-size: var(--vai-font-size-xl);
    font-weight: 700;
    color: var(--vai-primary-light);
}

.metric-label {
    font-size: var(--vai-font-size-xs);
    color: var(--vai-gray-light);
    text-transform: uppercase;
}

.dashboard-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.feature-item {
    font-size: var(--vai-font-size-sm);
    color: var(--vai-light);
    padding: 0.5rem 0;
}

/* ================================ */
/* VALUE PROPOSITIONS */
/* ================================ */

.value-props {
    padding: 6rem 0;
    background: var(--vai-dark-light);
}

.section-title {
    font-size: var(--vai-font-size-4xl);
    font-weight: 800;
    text-align: center;
    color: var(--vai-white);
    margin-bottom: 4rem;
}

.props-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.prop-card {
    background: var(--vai-gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--vai-radius-xl);
    padding: 2rem;
    text-align: center;
    transition: var(--vai-transition);
    backdrop-filter: var(--vai-blur-sm);
}

.prop-card:hover {
    transform: translateY(-5px);
    border-color: var(--vai-primary);
    box-shadow: var(--vai-shadow-glow);
}

.prop-icon {
    font-size: var(--vai-font-size-4xl);
    margin-bottom: 1rem;
}

.prop-title {
    font-size: var(--vai-font-size-xl);
    font-weight: 700;
    color: var(--vai-white);
    margin-bottom: 1rem;
}

.prop-description {
    color: #bfcad5;
    line-height: 1.7;
}

/* ================================ */
/* HOW IT WORKS */
/* ================================ */

.how-it-works {
    padding: 6rem 0;
    background: var(--vai-dark);
}

.steps-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--vai-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--vai-transition);
}

.step:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--vai-primary);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--vai-gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--vai-font-size-xl);
    font-weight: 800;
    color: var(--vai-white);
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: var(--vai-font-size-xl);
    font-weight: 700;
    color: var(--vai-white);
    margin-bottom: 1rem;
}

.step-description {
    color: var(--vai-gray-light);
    line-height: 1.7;
}

/* ================================ */
/* FEATURES */
/* ================================ */

.features {
    padding: 6rem 0;
    background: var(--vai-dark-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--vai-radius-xl);
    padding: 2rem;
    text-align: center;
    transition: var(--vai-transition);
    backdrop-filter: var(--vai-blur-sm);
}

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

.feature-icon {
    font-size: var(--vai-font-size-3xl);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: var(--vai-font-size-lg);
    font-weight: 700;
    color: var(--vai-white);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--vai-gray-light);
    line-height: 1.6;
}

/* ================================ */
/* SUCCESS STORY */
/* ================================ */

.success-story {
    padding: 6rem 0;
    background: var(--vai-dark);
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.story-title {
    font-size: var(--vai-font-size-3xl);
    font-weight: 800;
    color: var(--vai-white);
    margin-bottom: 2rem;
}

.story-description {
    font-size: var(--vai-font-size-lg);
    color: var(--vai-gray-light);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
}

.story-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.story-author {
    color: var(--vai-light);
    font-size: var(--vai-font-size-sm);
}

.success-metrics {
    display: grid;
    gap: 1rem;
}

.metric-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--vai-radius-lg);
    transition: var(--vai-transition);
}

.metric-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--vai-primary);
}

.metric-icon {
    font-size: var(--vai-font-size-2xl);
}

.metric-data {
    flex: 1;
}

.metric-value {
    font-size: var(--vai-font-size-xl);
    font-weight: 700;
    color: var(--vai-primary-light);
}

.metric-label {
    font-size: var(--vai-font-size-sm);
    color: var(--vai-gray-light);
}

/* ================================ */
/* REGISTRATION FORM STYLES */
/* ================================ */

.registration-form {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: var(--vai-blur);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--vai-radius-2xl);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.registration-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--vai-gradient-primary);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.compact-form .form-section {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--vai-radius-xl);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--vai-transition);
}

.compact-form .form-section:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(99, 102, 241, 0.3);
}

.compact-form .form-section-title {
    color: var(--vai-primary-light);
    font-size: var(--vai-font-size-lg);
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.compact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.compact-form .form-group {
    display: flex;
    flex-direction: column;
}

.compact-form .form-label {
    font-size: var(--vai-font-size-sm);
    font-weight: 600;
    color: var(--vai-light);
    margin-bottom: 0.5rem;
}

.compact-form .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--vai-radius);
    background: rgba(255, 255, 255, 0.05);
    color: var(--vai-white);
    font-size: var(--vai-font-size-base);
    transition: var(--vai-transition);
}

.compact-form .form-input:focus {
    outline: none;
    border-color: var(--vai-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

.compact-form .form-input::placeholder {
    color: var(--vai-gray-light);
}

.compact-form select.form-input {
    cursor: pointer;
}

.compact-form select.form-input option {
    background: var(--vai-dark);
    color: var(--vai-white);
}

.compact-form textarea.form-input {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

/* Badge Style Checkboxes */
.compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.badge-style {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--vai-radius-full);
    padding: 0.75rem 1rem;
    text-align: center;
    font-size: var(--vai-font-size-sm);
    border: 2px solid transparent;
    transition: var(--vai-transition);
    cursor: pointer;
    user-select: none;
}

.badge-style:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

.badge-style input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.badge-style input:checked + span,
.badge-style input:checked ~ span {
    background: var(--vai-gradient-primary);
    color: var(--vai-white);
    border-radius: var(--vai-radius-full);
    padding: 0.75rem 1rem;
}

.badge-style input:checked {
    background: var(--vai-gradient-primary);
    border-color: var(--vai-primary);
    box-shadow: var(--vai-shadow-glow);
}

.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: var(--vai-radius);
    transition: var(--vai-transition);
}

.checkbox-option:hover {
    background: rgba(255, 255, 255, 0.03);
}

.checkbox-option input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 0.25rem;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    position: relative;
    appearance: none;
    transition: var(--vai-transition);
}

.checkbox-option input[type="checkbox"]:checked {
    background: var(--vai-primary);
    border-color: var(--vai-primary);
}

.checkbox-option input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--vai-white);
    font-size: 0.875rem;
    font-weight: bold;
}

.checkbox-option span {
    color: var(--vai-light);
    font-size: var(--vai-font-size-sm);
}

.checkbox-option a {
    color: var(--vai-primary-light);
    text-decoration: none;
    transition: var(--vai-transition);
}

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

.form-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--vai-gray-light);
}

/* Form Validation States */
.form-input.error {
    border-color: var(--vai-danger);
    background-color: rgba(239, 68, 68, 0.05);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input.success {
    border-color: var(--vai-success);
    background-color: rgba(16, 185, 129, 0.05);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.field-error {
    color: var(--vai-danger);
    font-size: var(--vai-font-size-sm);
    margin-top: 0.25rem;
    font-weight: 500;
    display: none;
    animation: fadeIn 0.3s ease;
}

.field-error.show {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Loading States */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--vai-white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

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

/* Success/Error Messages */
.form-message {
    padding: 1rem;
    border-radius: var(--vai-radius);
    margin-bottom: 1rem;
    font-weight: 500;
    text-align: center;
    animation: slideIn 0.3s ease;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--vai-success);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--vai-danger);
}

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

.cta-section {
    padding: 6rem 0;
    background: var(--vai-dark-light);
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: var(--vai-font-size-4xl);
    font-weight: 800;
    color: var(--vai-white);
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: var(--vai-font-size-lg);
    color: var(--vai-gray-light);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.cta-form {
    margin-bottom: 3rem;
}

.operator-form {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--vai-radius-2xl);
    padding: 3rem;
    backdrop-filter: var(--vai-blur);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: var(--vai-font-size-sm);
    font-weight: 600;
    color: var(--vai-light);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--vai-radius);
    background: rgba(255, 255, 255, 0.05);
    color: var(--vai-white);
    font-size: var(--vai-font-size-base);
    transition: var(--vai-transition);
}

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

.form-input::placeholder {
    color: var(--vai-gray-light);
}

select.form-input {
    cursor: pointer;
}

select.form-input option {
    background: var(--vai-dark);
    color: var(--vai-white);
}

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

.cta-support {
    text-align: center;
    color: var(--vai-gray-light);
}

.whatsapp-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--vai-primary-light);
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    transition: var(--vai-transition);
}

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

.whatsapp-icon {
    font-size: var(--vai-font-size-lg);
}

/* ================================ */
/* FOOTER */
/* ================================ */

.footer {
    background: var(--vai-dark);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    height: 40px;
    width: 80px;
}

.footer-tagline {
    color: var(--vai-gray-light);
    font-size: var(--vai-font-size-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: var(--vai-white);
    font-size: var(--vai-font-size-lg);
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--vai-gray-light);
    text-decoration: none;
    transition: var(--vai-transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--vai-gray-light);
    font-size: var(--vai-font-size-sm);
}

/* ================================ */
/* RESPONSIVE DESIGN */
/* ================================ */

/* Large screens */
@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
    
    .hero-content {
        gap: 6rem;
    }
    
    .hero-title {
        font-size: var(--vai-font-size-6xl);
    }
}

/* Medium screens */
@media (max-width: 1023px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .story-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Small screens */
@media (max-width: 767px) {
    :root {
        --vai-section-padding: 3rem 0;
        --vai-container-padding: 1rem;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero-title {
        font-size: var(--vai-font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--vai-font-size-lg);
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: var(--vai-font-size-3xl);
    }
    
    .props-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .operator-form {
        padding: 2rem;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .dashboard-features {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .header-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .header-actions .btn {
        font-size: var(--vai-font-size-xs);
        padding: 0.5rem 1rem;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .hero-title {
        font-size: var(--vai-font-size-3xl);
    }
    
    .section-title {
        font-size: var(--vai-font-size-2xl);
    }
    
    .prop-card,
    .feature-card {
        padding: 1.5rem;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .story-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .operator-form {
        padding: 1.5rem;
    }
}

/* ================================ */
/* ANIMATIONS */
/* ================================ */

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* Animation classes */
.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.8s ease-out;
}

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

/* ================================ */
/* UTILITY CLASSES */
/* ================================ */

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

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

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

.hidden {
    display: none;
}

.visible {
    display: block;
}

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

/* ================================ */
/* SMOOTH SCROLLING */
/* ================================ */

html {
    scroll-behavior: smooth;
}

/* ================================ */
/* ACCESSIBILITY */
/* ================================ */

/* Focus styles */
*:focus {
    outline: 2px solid var(--vai-primary);
    outline-offset: 2px;
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --vai-primary: #7c3aed;
        --vai-primary-light: #8b5cf6;
        --vai-gray-light: #cbd5e1;
    }
}

/* Print styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .header,
    .footer {
        display: none;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .btn {
        border: 1px solid black;
        text-decoration: none;
    }
}