/* General Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #ffffff;
    color: #333;
}

/* Header and Navigation */
header {
    background: #ffffff;
    border-bottom: 1px solid #eaeaea;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

nav .logo {
    color: #000000;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: #000000;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #d5007f;
}

.auth-buttons .login,
.auth-buttons .access-agent {
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.auth-buttons .login {
    background: transparent;
    color: #000000;
}

.auth-buttons .access-agent {
    background: #d5007f;
    color: #ffffff;
    margin-left: 1rem;
}

.auth-buttons .login:hover {
    background-color: #f0f0f0;
}

.auth-buttons .access-agent:hover {
    background-color: #b8006f;
}


/* Main Content */
main {
    padding: 2rem;
}

section {
    padding: 4rem 0;
    border-bottom: 1px solid #eaeaea;
}

section:last-child {
    border-bottom: none;
}

h1, h2 {
    color: #000000;
}

h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}


/* Chat Interface */
.chat-container {
    max-width: 600px;
    margin: 2rem auto;
    border: 1px solid #eaeaea;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.chat-header {
    background: #d5007f;
    color: #fff;
    padding: 1rem;
    text-align: center;
}

.chat-header h2 {
    margin: 0;
    font-size: 1.2rem;
    color: #fff;
}

.chat-box {
    height: 400px;
    overflow-y: auto;
    padding: 1rem;
    background: #f9f9f9;
}

.chat-message {
    margin-bottom: 1rem;
}

.chat-message p {
    background: #e9e9eb;
    color: #333;
    padding: 0.75rem;
    border-radius: 15px;
    max-width: 80%;
    display: inline-block;
}

.chat-message.received p {
    background: #d5007f;
    color: #fff;
    border-bottom-left-radius: 0;
}

.chat-message.sent p {
    background: #000000;
    color: #fff;
    border-bottom-right-radius: 0;
    float: right;
}

.chat-input {
    display: flex;
    padding: 1rem;
    border-top: 1px solid #eaeaea;
}

.chat-input input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-right: 0.5rem;
}

.chat-input button {
    background: #d5007f;
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.chat-input button:hover {
    background-color: #b8006f;
}

/* Features Section */
.features-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: #ffffff;
    border: 1px solid #eaeaea;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    flex-basis: calc(25% - 2rem);
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.07);
}

.feature-icon {
    background-color: #d5007f;
    color: #ffffff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-card h3 {
    font-size: 1.2rem;
    color: #000000;
    margin: 0;
}


/* Functionalities Section */
.functionalities-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.functionality-card {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: #ffffff;
    border: 1px solid #eaeaea;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}

.functionality-icon {
    background-color: #d5007f;
    color: #ffffff;
    min-width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.functionality-icon svg {
    width: 24px;
    height: 24px;
}

.functionality-text h3 {
    font-size: 1.2rem;
    color: #000000;
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.functionality-text p {
    margin: 0;
    color: #666;
}

.highlight {
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #d5007f;
    margin-top: 4rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    background: #f9f9f9;
    border-top: 1px solid #eaeaea;
    color: #b2b2b2;
}