/* ===============================
   RESET & BASICS
================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Segoe UI", Tahoma, sans-serif;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
}

/* ===============================
   HEADER
================================ */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background: #1a1a1a;
    color: #fff;
}

header .logo {
    font-size: 1.3rem;
    font-weight: bold;
}

header nav a {
    color: #fff;
    margin: 0 10px;
    text-decoration: none;
    transition: color 0.3s;
}

header nav a:hover {
    color: #ff6600;
}

/* ===============================
   HERO SECTION
================================ */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(to right, #ff6600, #ff9900);
    color: #fff;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.hero button {
    background: #fff;
    color: #ff6600;
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: 0.3s;
}

.hero button:hover {
    background: #ff6600;
    color: #fff;
}

/* ===============================
   INFO SECTIONS
================================ */
.info {
    padding: 40px 20px;
    text-align: center;
    background-color: #fff;
}

.info h2 {
    margin-bottom: 10px;
    color: #ff6600;
}

/* Features Section */
.features {
    padding: 40px 20px;
    background-color: #f1f1f1;
}

.chat-box {
    background: #f5f5f5;
    padding: 10px;
    height: 400px;
    overflow-y: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

.message.user {
    background: #d1e7dd;
    padding: 8px;
    border-radius: 5px;
    margin: 5px 0;
    text-align: right;
}

.message.bot {
    background: #fff3cd;
    padding: 8px;
    border-radius: 5px;
    margin: 5px 0;
    text-align: left;
}

.features h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #ff6600;
}

.features ul {
    max-width: 600px;
    margin: auto;
    list-style: none;
}

.features ul li {
    background: #fff;
    padding: 12px;
    margin: 8px 0;
    border-left: 5px solid #ff6600;
    font-size: 1rem;
}

/* Placeholder Section */
.placeholder {
    padding: 40px 20px;
    text-align: center;
    background-color: #fff;
}

.placeholder h2 {
    color: #ff6600;
}

/* ===============================
   FOOTER
================================ */
footer {
    text-align: center;
    padding: 15px;
    background: #1a1a1a;
    color: #fff;
    font-size: 0.9rem;
    position: relative;
}

/* Footer Dot (Gloomy Style) */
.footer-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    cursor: pointer;
    margin-left: 8px;
    position: relative;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.footer-dot:hover {
    background-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.2);
}

/* Hidden Info Text */
.footer-info {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    color: #ccc;
    font-size: 0.9em;
    margin-top: 10px;
    transition: opacity 0.5s ease, max-height 0.5s ease;
}

.footer-info.show {
    opacity: 1;
    max-height: 50px;
    animation: slideFadeIn 0.6s ease forwards;
}

/* Slide Fade Animation */
@keyframes slideFadeIn {
    0% {
        transform: translateY(10px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Developer Popup on Hover */
.dev-popup {
    display: none;
    position: absolute;
    bottom: 20px;
    left: -60px;
    background-color: #222;
    color: #fff;
    padding: 8px 12px;
    font-size: 14px;
    border-radius: 6px;
    white-space: nowrap;
    box-shadow: 0px 4px 6px rgba(0,0,0,0.3);
    animation: fadeIn 0.3s ease-in-out;
}

.footer-dot:hover .dev-popup {
    display: block;
}

/* Fade In Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}