/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #fff;
    background-color: #1a1a2e;
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 40px;
}

p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

a {
    text-decoration: none;
    color: #4ecdc4;
    transition: all 0.3s ease;
}

a:hover {
    color: #ff6b6b;
}

ul {
    list-style: none;
}

.highlight {
    color: #ff6b6b;
}

/* Header Styles */
.site-header {
    background-color: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo-container {
    width: 180px;
}

.logo-svg {
    width: 100%;
    height: auto;
}

.main-nav {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 100;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: #fff;
    transition: all 0.3s ease;
}

.nav-list {
    display: flex;
}

.nav-list li {
    margin-left: 30px;
}

.nav-list a {
    color: #fff;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #4ecdc4, #ff6b6b);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    padding: 160px 0 80px;
    background-color: #16213e;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='1' fill='%23ffffff' opacity='0.1'/%3E%3C/svg%3E");
    opacity: 0.15;
}

.hero-section .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 10;
}

.hero-content {
    flex: 1;
    padding-right: 40px;
}

.hero-image {
    flex: 1;
    max-width: 500px;
}

.hero-image svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2));
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, #4ecdc4, #2cbab2);
    color: #fff;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 20px;
    box-shadow: 0 5px 15px rgba(78, 205, 196, 0.3);
    border: none;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.cta-button:hover {
    background: linear-gradient(45deg, #ff6b6b, #ee5253);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
}

.cta-button.large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(78, 205, 196, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(78, 205, 196, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(78, 205, 196, 0);
    }
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background-color: #0f3460;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-card {
    background-color: #16213e;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border-color: #4ecdc4;
}

.feature-icon {
    margin-bottom: 25px;
    width: 70px;
    height: 70px;
    margin-left: auto;
    margin-right: auto;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #4ecdc4;
}

/* Chat Demo Section */
.chat-demo-section {
    padding: 100px 0;
    background-color: #1a1a2e;
}

.chat-demo {
    max-width: 800px;
    margin: 50px auto 0;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(78, 205, 196, 0.3);
}

.chat-header {
    background: linear-gradient(to right, #4ecdc4, #2cbab2);
    padding: 20px;
    text-align: center;
}

.chat-title {
    font-weight: 600;
    font-size: 1.2rem;
    color: #fff;
}

.chat-messages {
    padding: 20px;
    background-color: #16213e;
    height: 350px;
    overflow-y: auto;
}

.message {
    margin-bottom: 20px;
    display: flex;
}

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

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

.message-bubble {
    max-width: 80%;
    padding: 15px;
    border-radius: 18px;
    font-size: 0.95rem;
}

.ai-message .message-bubble {
    background-color: #292f36;
    border-bottom-left-radius: 5px;
    color: #fff;
}

.user-message .message-bubble {
    background-color: #4ecdc4;
    border-bottom-right-radius: 5px;
    color: #16213e;
}

.chat-input {
    display: flex;
    padding: 15px;
    background-color: #292f36;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-input input {
    flex-grow: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 50px;
    background-color: #16213e;
    color: #fff;
    font-size: 0.95rem;
    margin-right: 10px;
}

.chat-input input:focus {
    outline: none;
}

.chat-send-button {
    padding: 12px 25px;
    background: linear-gradient(45deg, #ff6b6b, #ee5253);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.chat-send-button:hover {
    background: linear-gradient(45deg, #ee5253, #ff6b6b);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}

/* Premium Section */
.premium-section {
    padding: 100px 0;
    background-color: #0f3460;
    position: relative;
}

.premium-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath d='M0 0h40v40H0zm40 40h40v40H40z' fill='%23ffffff' opacity='0.03'/%3E%3C/svg%3E");
}

.premium-features {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.premium-content {
    flex: 1;
}

.premium-list li {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #16213e;
    border-radius: 10px;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-left: 3px solid #4ecdc4;
}

.premium-list li svg {
    margin-right: 15px;
    flex-shrink: 0;
}

.premium-cta {
    flex: 1;
    background-color: #16213e;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(78, 205, 196, 0.2);
}

.premium-cta h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #4ecdc4;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background-color: #1a1a2e;
}

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

.faq-item {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 20px 25px;
    background-color: #16213e;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    border-left: 3px solid #4ecdc4;
}

.faq-question:after {
    content: '+';
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: #4ecdc4;
}

.faq-question.active:after {
    content: '-';
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    background-color: #292f36;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px 25px;
    max-height: 1000px;
}

/* Footer Styles */
.site-footer {
    background-color: #0f172a;
    padding: 80px 0 30px;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo p {
    margin-top: 20px;
    font-size: 0.9rem;
    color: #aaa;
}

.footer-svg {
    margin-bottom: 15px;
}

.footer-links h4,
.footer-newsletter h4 {
    color: #4ecdc4;
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #ddd;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-links ul li a:hover {
    color: #4ecdc4;
    padding-left: 5px;
}

.newsletter-form {
    display: flex;
    margin-top: 20px;
}

.newsletter-form input {
    flex-grow: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 4px 0 0 4px;
    background-color: #1a1a2e;
    color: #fff;
    font-size: 0.9rem;
}

.newsletter-form input:focus {
    outline: none;
}

.newsletter-form button {
    background: linear-gradient(45deg, #4ecdc4, #2cbab2);
    color: #fff;
    border: none;
    padding: 0 20px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    background: linear-gradient(45deg, #2cbab2, #4ecdc4);
}

.disclaimer {
    text-align: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: #888;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-section .container {
        flex-direction: column;
    }
    
    .hero-content {
        padding-right: 0;
        text-align: center;
        margin-bottom: 40px;
    }
    
    .hero-image {
        max-width: 100%;
    }
    
    .premium-features {
        flex-direction: column;
    }
    
    .premium-content,
    .premium-cta {
        width: 100%;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: #16213e;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: all 0.5s ease;
        z-index: 99;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-list.active {
        right: 0;
    }
    
    .nav-list li {
        margin: 15px 0;
    }
    
    .nav-list a {
        font-size: 1.1rem;
    }
    
    .feature-card,
    .premium-list li,
    .premium-cta {
        padding: 25px 20px;
    }
    
    .features-section,
    .chat-demo-section,
    .premium-section,
    .faq-section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.7rem;
    }
    
    p {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .cta-button.large {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
    }
    
    .premium-cta h3 {
        font-size: 1.5rem;
    }
    
    .chat-messages {
        height: 300px;
    }
    
    .message-bubble {
        max-width: 90%;
        padding: 12px;
        font-size: 0.9rem;
    }
}