/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
    overflow-x: hidden;
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: translateY(-1px);
}

.logo-icon {
    width: 32px;
    height: 32px;
    position: relative;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.02em;
}

.logo-text .text-bot {
    background: linear-gradient(135deg, #667eea, #764ba2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text .text-4u {
    background: linear-gradient(135deg, #ff6b35, #f9ca24);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Footer Logo */
.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    width: 28px;
    height: 28px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-menu a {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    background: #333;
    color: white;
    margin-right: 0.5rem;
}

.nav-menu a.active {
    background: #333;
    color: white;
}

.nav-menu a:not(.active) {
    background: transparent;
    color: #666;
}

.nav-menu a:hover {
    color: #333;
}

.btn-experiment {
    background: linear-gradient(135deg, #ff6b35, #f9ca24);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-experiment:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    overflow: hidden;
    margin-top: 80px;
}

.hero-main {
    flex: 1;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%23ff6b35;stop-opacity:0.8" /><stop offset="25%" style="stop-color:%23f9ca24;stop-opacity:0.6" /><stop offset="50%" style="stop-color:%236c5ce7;stop-opacity:0.7" /><stop offset="75%" style="stop-color:%232ed573;stop-opacity:0.5" /><stop offset="100%" style="stop-color:%2354a0ff;stop-opacity:0.8" /></linearGradient></defs><path d="M0,400 Q300,200 600,350 T1200,300 Q900,500 600,400 T0,450 Z" fill="url(%23grad1)" opacity="0.3"/><path d="M0,300 Q400,100 800,250 T1200,200 Q800,400 400,300 T0,350 Z" fill="url(%23grad1)" opacity="0.2"/></svg>');
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 10;
}

.hero-content {
    max-width: 700px;
    color: white;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    max-width: 600px;
}

.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.nav-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.nav-arrow.prev {
    left: 2rem;
}

.nav-arrow.next {
    right: 2rem;
}

.watch-video {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 100;
}

.watch-video:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Feature Cards Grid */
.feature-cards {
    position: relative;
    background: #f5f5f5;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    z-index: 10;
}

.feature-card {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.9), rgba(108, 92, 231, 0.9));
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.feature-card:nth-child(1) {
    background: linear-gradient(135deg, rgba(46, 213, 115, 0.9), rgba(0, 184, 148, 0.9));
}

.feature-card:nth-child(2) {
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.9), rgba(44, 62, 80, 0.9));
}

.feature-card:nth-child(3) {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.9), rgba(142, 68, 173, 0.9));
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-card-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.feature-card-icon svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.feature-card:hover .feature-card-icon {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.feature-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.card-stats {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: right;
    opacity: 0.8;
}

.card-icon {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.feature-card:hover .card-icon {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(45deg);
}

/* Problems Section */
.problems {
    padding: 6rem 0;
    background: white;
}

.problems-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.problems h2 {
    font-size: 2.5rem;
    font-weight: 300;
    color: #333;
    margin-bottom: 3rem;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-item {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff6b35, #f9ca24);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
}

.problem-icon svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.problem-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.problem-item p {
    color: #666;
    line-height: 1.6;
}

/* Solution Section */
.solution {
    padding: 6rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(255, 107, 107, 0.1) 0%, 
        rgba(255, 167, 38, 0.1) 50%, 
        rgba(79, 195, 247, 0.1) 100%);
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.solution-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.solution h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.solution-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.solution-description {
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 3rem;
    opacity: 0.9;
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
    background: white;
}

.benefits-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.benefits h2 {
    font-size: 2.5rem;
    font-weight: 300;
    color: #333;
    margin-bottom: 3rem;
    text-align: center;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.benefits-column h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #333;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.benefit-text {
    font-size: 1rem;
    color: #555;
    line-height: 1.5;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: #f8f9fa;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.features h2 {
    font-size: 2.5rem;
    font-weight: 300;
    color: #333;
    margin-bottom: 3rem;
    text-align: center;
}

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

.feature-item {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-item-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff6b35, #f9ca24);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.feature-item-icon svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
}

/* Demo Section */
.demo-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.demo-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.demo-content h2 {
    font-size: 2.5rem;
    font-weight: 300;
    color: #333;
    margin-bottom: 1.5rem;
}

.demo-content p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.chatbot-widget {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.chat-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.chat-avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.chat-avatar svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.chat-info h4 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.status {
    font-size: 0.9rem;
    opacity: 0.9;
}

.chat-messages {
    padding: 2rem;
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
}

.message {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

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

.user-message {
    justify-content: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.message-avatar svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.user-message .message-avatar {
    background: linear-gradient(135deg, #ff6b35, #f9ca24);
}

.message-content {
    max-width: 70%;
    text-align: left;
}

.user-message .message-content {
    text-align: right;
}

.message-content p {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 15px;
    margin: 0 0 1rem 0;
    color: #333;
    line-height: 1.5;
}

.user-message .message-content p {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.quick-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

.quick-btn {
    background: transparent;
    border: 1px solid #667eea;
    color: #667eea;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    text-align: left;
}

.quick-btn:hover {
    background: #667eea;
    color: white;
}

.chat-input {
    padding: 1.5rem;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    display: flex;
    gap: 1rem;
}

.chat-input input {
    flex: 1;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.chat-input input:focus {
    border-color: #667eea;
}

.send-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.demo-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-whatsapp {
    background: #25D366;
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
}

/* Video Modal */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 2rem 1rem;
    overflow-y: auto;
}

.video-modal.active {
    display: flex;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    background: #000;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.5s ease-out;
    margin: 2rem auto;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.video-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.video-title {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.3;
}

.video-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.video-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-description {
    background: #ffffff;
    padding: 2rem;
    color: #333;
}

.video-description h4 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #667eea;
    font-weight: 700;
}

.video-description p {
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 1rem;
    color: #555;
}

.video-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.video-feature {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.video-feature:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    background: #f1f3f4;
}

.video-feature h5 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: #333;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.video-feature p {
    font-size: 0.95rem;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(255, 107, 107, 0.1) 0%, 
        rgba(255, 167, 38, 0.1) 50%, 
        rgba(79, 195, 247, 0.1) 100%);
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #1a1a2e 50%, #000 100%);
    color: white;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.footer-hero {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.9), rgba(231, 76, 60, 0.9));
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 400"><path d="M0,200 Q300,100 600,150 T1200,200 Q900,300 600,250 T0,200 Z" fill="rgba(255,255,255,0.1)"/></svg>') no-repeat center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.footer-hero h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    position: relative;
    z-index: 10;
}

.footer-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
    position: relative;
    z-index: 10;
}

.footer-hero .btn-explore {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 10;
}

.footer-hero .btn-explore:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.footer-main {
    background: #2c3e50;
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-logo-section {
    grid-column: span 1;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.footer-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    line-height: 1.8;
    transition: color 0.3s ease;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: #ff6b35;
    transform: translateX(5px);
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.social-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.social-icon:hover {
    background: #ff6b35;
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    background: #1a1a2e;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom-left {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-bottom-right {
    display: flex;
    gap: 2rem;
}

.footer-bottom-right a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-bottom-right a:hover {
    color: #ff6b35;
}

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b35, #f9ca24);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
    z-index: 1000;
}

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

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

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

/* Enhanced Responsiveness */
@media (max-width: 1200px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .nav-container {
        padding: 0 1.5rem;
    }
}

@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

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

    .logo-icon {
        width: 20px;
        height: 20px;
    }

    .logo-text {
        font-size: 1.3rem;
    }

    .footer-logo-icon {
        width: 18px;
        height: 18px;
    }

    .footer-logo-text {
        font-size: 1.3rem;
    }

    .hero-content h1 {
        font-size: 2.2rem;
        line-height: 1.2;
    }

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

    .watch-video {
        position: static;
        margin-top: 2rem;
        align-self: flex-start;
    }

    .nav-arrow {
        display: none;
    }

    .section-title,
    .demo-content h2,
    .benefits h2,
    .features h2,
    .problems h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .demo-actions {
        flex-direction: column;
        align-items: center;
    }

    .video-modal {
        padding: 1rem;
        align-items: flex-start;
    }

    .video-container {
        width: 100%;
        margin: 1rem 0;
        max-height: 90vh;
        overflow-y: auto;
    }

    .video-header {
        padding: 1rem 1.5rem;
    }

    .video-title {
        font-size: 1rem;
        line-height: 1.3;
    }

    .video-description {
        padding: 1.5rem;
    }

    .video-description h4 {
        font-size: 1.2rem;
    }

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

    .video-feature {
        padding: 1.2rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-container,
    .features-container,
    .benefits-container,
    .demo-container {
        padding: 0 1rem;
    }

    .feature-card {
        padding: 1.5rem;
        min-height: 180px;
    }

    .btn-primary,
    .btn-whatsapp,
    .btn-experiment {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .chatbot-widget {
        margin: 0 1rem;
    }

    .chat-input {
        flex-direction: column;
        gap: 1rem;
    }

    .send-btn {
        width: 100%;
    }

    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    .video-modal {
        padding: 0.5rem;
    }

    .video-container {
        border-radius: 15px;
    }

    .video-header {
        padding: 1rem;
    }

    .video-title {
        font-size: 0.9rem;
    }

    .video-description {
        padding: 1.2rem;
    }

    .video-description h4 {
        font-size: 1.1rem;
    }

    .video-description p {
        font-size: 0.9rem;
    }

    .video-feature h5 {
        font-size: 1rem;
    }

    .video-feature p {
        font-size: 0.85rem;
    }
}

/* Internet Explorer Support */
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    .hero-container,
    .benefits-grid,
    .features-grid,
    .footer-container {
        display: block;
    }

    .feature-card,
    .problem-item,
    .feature-item {
        float: left;
        width: 33.33%;
        margin-bottom: 2rem;
    }
}