/* General Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; color: #333; line-height: 1.6; }
.container { max-width: 1100px; margin: auto; padding: 0 20px; }

/* Navigation */
.navbar { background: #fff; padding: 20px 0; border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 1000; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; color: #007bff; }
.logo span { color: #333; }
.nav-links { list-style: none; display: flex; align-items: center; }
.nav-links li a { text-decoration: none; color: #333; margin-left: 20px; font-weight: 500; transition: 0.3s; }
.nav-links li a:hover { color: #007bff; }

/* Buttons */
.btn-primary { background: #007bff; color: #fff !important; padding: 10px 20px; border-radius: 5px; }
.btn-large { background: #007bff; color: #fff; padding: 15px 30px; text-decoration: none; border-radius: 50px; display: inline-block; margin-top: 20px; }
.btn-outline { border: 2px solid #007bff; color: #007bff; padding: 10px 20px; text-decoration: none; border-radius: 5px; }

/* Hero */
.hero { background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1544197150-b99a580bb7a8?auto=format&fit=crop&w=1350&q=80'); 
        height: 80vh; background-size: cover; background-position: center; display: flex; align-items: center; text-align: center; color: #fff; }
.hero h2 { font-size: 3rem; margin-bottom: 10px; }

/* Sections */
section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h3 { font-size: 2.5rem; }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; text-align: center; }
.feature-card { padding: 30px; border: 1px solid #eee; border-radius: 10px; }
.feature-card .icon { font-size: 3rem; margin-bottom: 15px; }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.price-card { padding: 40px 20px; border: 1px solid #eee; border-radius: 10px; text-align: center; position: relative; }
.price-card.featured { border: 2px solid #007bff; transform: scale(1.05); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.badge { background: #007bff; color: #fff; position: absolute; top: -15px; left: 50%; transform: translateX(-50%); padding: 5px 15px; border-radius: 20px; font-size: 0.8rem; }
.price { font-size: 2.5rem; font-weight: bold; margin: 20px 0; }
.price span { font-size: 1rem; color: #777; }
.price-card ul { list-style: none; margin-bottom: 30px; }
.price-card li { margin-bottom: 10px; color: #555; }

/* Footer */
footer { background: #333; color: #fff; padding: 40px 0; text-align: center; }

/* Mobile Responsive */
@media(max-width: 768px) {
    .nav-links { display: none; }
    .feature-grid, .price-grid { grid-template-columns: 1fr; }
    .hero h2 { font-size: 2rem; }
}
<section id="availability" class="availability bg-light">
    <div class="container">
        <div class="availability-flex">
            <div class="availability-form">
                <h3>Check Availability</h3>
                <p>Enter your area to see if Saikumar Infonet is available in your building.</p>
                <form id="checkForm">
                    <input type="text" placeholder="Your Area / Building Name" required>
                    <input type="text" placeholder="Phone Number" required>
                    <button type="submit" class="btn-primary">Check Now</button>
                </form>
                <div id="status-msg"></div>
            </div>
            <div class="map-container">
                <iframe src="https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d120353.68261314546!2d72.71120288820464!3d19.061386704047683!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x3be7c6306644edc1%3A0x5da4ed8f8d648c69!2sMumbai%2C%20Maharashtra!5e0!3m2!1sen!2sin!4v1700000000000!5m2!1sen!2sin" width="100%" height="300" style="border:0;" allowfullscreen="" loading="lazy"></iframe>
            </div>
        </div>
    </div>
</section>

<div id="loginModal" class="modal">
    <div class="modal-content">
        <span class="close-btn" onclick="toggleModal()">&times;</span>
        <h3>Customer Login</h3>
        <form>
            <label>Username / Customer ID</label>
            <input type="text" placeholder="Enter ID">
            <label>Password</label>
            <input type="password" placeholder="••••••••">
            <button type="submit" class="btn-primary w-100">Login to Dashboard</button>
            <p class="small-text">Forgot password? <a href="#">Click here</a></p>
        </form>
    </div>
</div>