body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(180deg, #0b3d2e, #145c3d, #0b3d2e);
    margin: 0;
    padding: 0;
    color: #ffffff;
}

/* Header */
header {
    background: linear-gradient(135deg, #0b3d2e, #0f5132, #145c3d);
    color: #d4af37;
    padding: 45px 20px;
    text-align: center;
    border-bottom: 6px solid #8b5e34;
    box-shadow: 0 4px 10px rgba(0,0,0,0.4);
}

h1 {
    margin: 0;
    font-size: 2.8rem;
    text-shadow: 0 0 8px rgba(212,175,55,0.6);
}

h2 {
    margin-top: 10px;
    font-weight: 300;
    color: #e8f5ff;
}

/* Sections */
.about, .services {
    background-color: rgba(255, 255, 255, 0.18);
    margin: 20px;
    padding: 20px;
    border-left: 6px solid #d4af37;
    border-radius: 12px;
    backdrop-filter: blur(6px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.services ul {
    list-style: square;
    padding-left: 20px;
    color: #d4e8ff;
    font-weight: 600;
}

/* Chatbot */
.chat-container {
    width: 90%;
    max-width: 500px;
    margin: 40px auto;
    background: #ffffff;
    border: 3px solid #d4af37;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

.chat-header {
    background: linear-gradient(135deg, #145c3d, #0b3d2e, #1e6fa8);
    color: #ffffff;
    padding: 16px;
    text-align: center;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border-bottom: 3px solid #8b5e34;
}

.robot-icon {
    width: 40px;
    height: 40px;
}

.chat-box {
    height: 300px;
    overflow-y: auto;
    padding: 14px;
    background: linear-gradient(180deg, #e8f5ff, #ffffff, #f7efe5);
    color: #333;
    font-size: 1rem;
}

.chat-input {
    display: flex;
    border-top: 2px solid #d4af37;
}

.chat-input input {
    flex: 1;
    padding: 14px;
    border: none;
    font-size: 1rem;
}

.chat-input button {
    background-color: #d4af37;
    color: #3b2f2f;
    border: none;
    padding: 14px 20px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
}

.chat-input button:hover {
    background-color: #b8952f;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: #ffffff;
    font-size: 0.9rem;
    margin-top: 30px;
}