:root {
    --primary-color: #0052cc;
    --secondary-color: #ff8b00;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --white-color: #ffffff;
    --gray-color: #6c757d;
    --font-family: sans-serif;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    background-color: var(--light-color);
    color: var(--dark-color);
}

/* --- Utility & Components --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white-color);
    cursor: pointer;
}
.btn-primary:hover {
    background-color: #003d99;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white-color);
    cursor: pointer;
}
.btn-secondary:hover {
    background-color: #e67a00;
    transform: translateY(-3px);
}

.btn-red {
    background-color: rgb(216, 29, 29);
    color: var(--white-color);
    cursor: pointer;
}
.btn-red:hover {
    background-color: rgb(173, 24, 24);
    transform: translateY(-3px);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--dark-color);
}

/* --- Header & Navigation --- */
header {
    background-color: var(--white-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--box-shadow);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    position: relative;
    padding: 5px;
    font-size: 1.2em;
}
.nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
}
.nav-links a:hover::after {
    width: 100%;
    transition: width 0.4s ease;
}

/* --- Hero Section --- */
.hero {
    background: #007bff;
    color: var(--white-color);
    padding: 5rem 0;
    min-height: 90vh;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 500px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-image {
    flex: 1;
    text-align: center;
}
.hero-image img {
    max-width: 100%;
    height: auto;
    animation: inOut 4s ease-in-out infinite;
}

@keyframes inOut {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* --- Features Section --- */
.features {
    padding: 6rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--white-color);
    padding: 2.5rem 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}
.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* --- Testimonial Section --- */
.testimonial-section {
    background-color: var(--dark-color);
    padding: 60px 0;
    text-align: center;
}

.testimonial-section .container h2 {
    color: var(--light-color);
}


.testimonials-wrapper {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.testimonial-card {
    max-width: 700px;
    margin: 0 auto;
    padding: 30px;
    background-color: var(--light-color);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(255, 251, 251, 0.5);
    flex: 1;
    min-width: 300px;
    max-width: 400px;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid var(--primary-color);
}

.testimonial-author .author-name {
    font-weight: bold;
    display: block;
    font-size: 1.1rem;
    color: #0056b3;
}

.testimonial-author .author-info {
    font-size: 0.9rem;
    color: #666;
}

/* --- CTA Section --- */
.cta {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 5rem 0;
    text-align: center;
}
.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.cta-content p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* --- Footer --- */
footer {
    background-color: var(--dark-color);
    color: var(--gray-color);
    padding: 2rem 0;
}
footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}
footer .cs {
    background: none;
    border: none;
    color: var(--gray-color);
    cursor: pointer;
    font-size: 0.9em;
}

footer .cs:hover {
    color: var(--secondary-color);
}
.social-links a {
    color: var(--gray-color);
    text-decoration: none;
    font-size: 1.2rem;
    margin-left: 1rem;
    transition: color 0.3s ease;
}
.social-links a:hover {
    color: var(--secondary-color);
}


/* --- Animations on Scroll --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.hero .container .animate-on-scroll:nth-child(2) {
    transition-delay: 0.2s;
}
.hero .container .animate-on-scroll:nth-child(3) {
    transition-delay: 0.4s;
}

.features-grid .animate-on-scroll:nth-child(2) {
    transition-delay: 0.2s;
}
.features-grid .animate-on-scroll:nth-child(3) {
    transition-delay: 0.4s;
}
.testimonial-card.animate-on-scroll:nth-child(2) {
    transition-delay: 0.2s;
}
.testimonial-card.animate-on-scroll:nth-child(3) {
    transition-delay: 0.4s;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: #333;
}

.hamburger .close {
    display: none;
}


/* Costumer Services */
.chat-widget-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    max-width: 90%;
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 2000;
    transform: translateY(20px) scale(0.95);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out, visibility 0.3s;
}

.chat-widget-container.open {
    transform: translateY(0) scale(1);
    opacity: 1;
    visibility: visible;
}

.chat-header {
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: sans-serif;
}

.chat-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.chat-close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
    line-height: 1;
}

.chat-close-btn:hover {
    opacity: 1;
}

.chat-messages {
    flex-grow: 1;
    padding: 20px;
    height: 350px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background-color: #f4f7f6;
}

.message {
    padding: 10px 15px;
    border-radius: 18px;
    max-width: 80%;
    line-height: 1.5;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
}

.message p {
    margin: 0;
}

.ai-message {
    background-color: #e9eaf2;
    color: #333;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.user-message {
    background-color: #2575fc;
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-input-form {
    display: flex;
    border-top: 1px solid #e0e0e0;
    padding: 10px;
    background-color: #ffffff;
}

#chat-input {
    flex-grow: 1;
    border: none;
    padding: 10px;
    font-size: 1rem;
    outline: none;
    font-family: 'Poppins', sans-serif;
}

.chat-input-form button {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #2575fc;
    cursor: pointer;
    padding: 0 10px;
    transition: color 0.2s;
}

.chat-input-form button:hover {
    color: #6a11cb;
}

/* Responsive */

@media (max-width: 768px) {
    .nav-links {
        display: none;
        gap: 0;
    }

    .but .btn-primary {
        padding: 6px 15px;
        font-size: 0.8em;
    }

    .hamburger {
        display: block; 
    }
    
    .nav-links.open {
        display: flex; 
        flex-direction: column; 
        position: fixed;
        top: 78px; 
        left: 0;
        width: 100%;
        background-color: #fff; 
        z-index: 99;
        opacity: 0.7;
        align-items: center;
    }

    .nav-links.open li {
        width: 100%;
        text-align: center;
    }
    
    .nav-links.open li a {
        display: block;
        padding: 1.5rem 0;
        margin: 0;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    .hero-text h1 {
        font-size: 2.8rem;
    }
    .hero-image {
        margin-top: 3rem;
    }
    .section-title {
        font-size: 2rem;
    }
    footer .container {
        flex-direction: column;
        gap: 1rem;
    }
}