/* ==========================================================================
   Reset and Base Styles
   ========================================================================== */

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

:root {
    /* Color Palette */
    --primary-600: #4F46E5;
    --primary-700: #4338CA;
    --primary-500: #6366F1;
    --secondary-600: #7C3AED;
    --secondary-500: #8B5CF6;

    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--gray-900);
    background-color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

button {
    font-family: var(--font-family);
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--gray-700);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-outline {
    background: transparent;
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

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

.nav-menu a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-500) 100%);
    transition: width var(--transition-base);
}

.nav-menu a:hover {
    color: var(--primary-600);
}

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

.nav-cta {
    margin-left: var(--spacing-lg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-base);
}

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

.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(180deg, var(--gray-50) 0%, white 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--primary-600);
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-600);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Hero Visual - Chat Preview */

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

.chat-preview {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: white;
}

.chat-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.chat-name {
    font-weight: 600;
    font-size: 1.125rem;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    opacity: 0.9;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10B981;
    animation: pulse 2s infinite;
}

.chat-messages {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: var(--gray-50);
    min-height: 300px;
}

.message {
    display: flex;
}

.message.received {
    justify-content: flex-start;
}

.message.sent {
    justify-content: flex-end;
}

.message-content {
    max-width: 75%;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
}

.message.received .message-content {
    background: white;
    color: var(--gray-900);
    border-bottom-left-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.message.sent .message-content {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
}

.message.typing .message-content {
    display: flex;
    gap: 6px;
    padding: var(--spacing-md);
}

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

.message.typing .message-content span:nth-child(1) {
    animation-delay: 0s;
}

.message.typing .message-content span:nth-child(2) {
    animation-delay: 0.2s;
}

.message.typing .message-content span:nth-child(3) {
    animation-delay: 0.4s;
}

/* ==========================================================================
   Features Section
   ========================================================================== */

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-2xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

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

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-700);
    font-size: 0.9375rem;
}

.feature-list li::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-100);
    color: var(--primary-600);
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ==========================================================================
   Benefits Section
   ========================================================================== */

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

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

.benefits-left .section-title {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.benefits-left .section-description {
    text-align: left;
    margin-bottom: var(--spacing-2xl);
}

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

.benefit-item {
    display: flex;
    gap: var(--spacing-lg);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-item h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.benefit-item p {
    color: var(--gray-600);
    line-height: 1.7;
    margin: 0;
}

/* Stats Card */

.stats-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    position: sticky;
    top: 100px;
}

.stats-card-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.stats-card-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.stats-card-header p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    margin: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.stat-box {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--gray-700);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--success);
    font-size: 0.8125rem;
    font-weight: 600;
}

/* ==========================================================================
   Demo Section
   ========================================================================== */

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

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

.video-container {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    background: var(--gray-900);
    max-width: 350px;
    aspect-ratio: 9 / 16;
}

.video-container video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    background: var(--gray-900);
}

.demo-info h3 {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-md);
}

.demo-info p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

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

.highlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.highlight svg {
    color: var(--primary-600);
    flex-shrink: 0;
}

.highlight span {
    color: var(--gray-700);
    font-weight: 500;
}

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

.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
    line-height: 1.8;
}

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

.cta-buttons .btn-primary {
    background: white;
    color: var(--primary-600);
}

.cta-buttons .btn-primary:hover {
    background: var(--gray-50);
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
    opacity: 0.9;
}

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

.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-800);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--gray-800);
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

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

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

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

.footer-column a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: 0.9375rem;
}

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

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

.footer-bottom p {
    color: var(--gray-500);
    margin: 0;
    font-size: 0.875rem;
}

.footer-badges {
    display: flex;
    gap: var(--spacing-md);
}

.badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gray-800);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--gray-400);
    font-weight: 600;
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.modal-content {
    background: white;
    border-radius: var(--radius-2xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease-out;
    box-shadow: var(--shadow-2xl);
}

.modal-large {
    max-width: 900px;
}

.modal-close {
    position: absolute;
    right: var(--spacing-lg);
    top: var(--spacing-lg);
    font-size: 2rem;
    font-weight: 300;
    color: var(--gray-400);
    background: transparent;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
    transform: rotate(90deg);
}

.modal-header {
    padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h2 {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.modal-header p {
    color: var(--gray-600);
    margin: 0;
    font-size: 1rem;
}

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

.contact-form {
    padding: var(--spacing-2xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: white;
    color: var(--gray-900);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-600);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    margin: var(--spacing-lg) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 400;
    font-size: 0.9375rem;
    color: var(--gray-600);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label a {
    color: var(--primary-600);
    text-decoration: underline;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.form-note {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
    margin-bottom: 0;
}

/* ==========================================================================
   Calendar Integration
   ========================================================================== */

.calendar-container {
    padding: var(--spacing-2xl);
    min-height: 400px;
}

.calendar-placeholder {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.placeholder-icon {
    display: inline-flex;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gray-100);
    color: var(--primary-600);
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.calendar-placeholder h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.calendar-placeholder > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.calendar-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    text-align: left;
}

.calendar-option {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.calendar-option strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.calendar-option ol {
    margin: 0;
    padding-left: var(--spacing-lg);
    color: var(--gray-700);
    font-size: 0.9375rem;
}

.calendar-option ol li {
    margin-bottom: var(--spacing-xs);
}

.calendar-option a {
    color: var(--primary-600);
    text-decoration: underline;
}

/* Calendly iframe styling */
.calendly-inline-widget {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Hide calendar placeholder when calendly is configured */
.calendar-container:has(.calendly-inline-widget[data-url*="calendly.com/"]:not([data-url*="tu-usuario"])) .calendar-placeholder {
    display: none;
}

/* ==========================================================================
   Animations
   ========================================================================== */

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-container,
    .benefits-content,
    .demo-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-visual {
        order: -1;
    }

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

    .stats-card {
        position: static;
    }

    .video-container {
        max-width: 100%;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta button {
        width: 100%;
        justify-content: center;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .section-description {
        font-size: 1rem;
    }

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

    .cta-title {
        font-size: 1.75rem;
    }

    .cta-description {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons button {
        width: 100%;
        justify-content: center;
    }

    .cta-features {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

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

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .calendar-options {
        grid-template-columns: 1fr;
    }

    .modal-content {
        margin: var(--spacing-md);
    }

    .modal-header {
        padding: var(--spacing-lg);
    }

    .contact-form,
    .calendar-container {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .hero-title {
        font-size: 1.75rem;
    }

    .btn-large {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }

    .feature-card,
    .stats-card {
        padding: var(--spacing-lg);
    }
}