body {
    background-color: #fff;
    color: #333;
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
}

.header {
    background: linear-gradient(to right, #4CAF50, #66BB6A);
    color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.nav-link {
    transition: color 0.3s;
}

.nav-link:hover {
    color: #fff !important;
}

.green-btn {
    background-color: #4CAF50;
    border: none;
    transition: background-color 0.3s, transform 0.2s;
}

.green-btn:hover {
    background-color: #45a049;
    transform: scale(1.05);
}

.hero {
    background-color: #E8F5E9;
    padding: 60px 0;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.hero input {
    max-width: 1600px;
    margin: 0 auto;
}

.feature-col {
    text-align: center;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-col:hover {
    transform: translateY(-5px);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.platform-card {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s;
}

.platform-card:hover {
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.fa-icon {
    font-size: 2rem;
    color: #4CAF50;
    margin-bottom: 10px;
}

.footer {
    background-color: #f8f8f8;
    padding: 40px 0;
    margin-top: 50px;
    border-top: 1px solid #eee;
}

.footer h5 {
    font-weight: bold;
    margin-bottom: 15px;
}


/* Mobile fix: Stack input above button + make both full-width */
@media (max-width: 575.98px) {  /* Applies to phones (xs breakpoint) */
    .input-group {
        flex-direction: column !important;          /* Force vertical layout */
        gap: 10px;                                  /* Space between input and button */
    }

    /* Input takes full width, bigger text/padding for easy typing */
    .input-group .form-control {
        width: 100% !important;
        font-size: 1.05rem !important;              /* Slightly larger text */
        padding: 0.75rem 1rem !important;           /* Comfortable touch area */
        border-radius: 0.375rem !important;         /* Full rounded corners */
        margin-bottom: 0 !important;                /* No extra bottom margin */
    }

    /* Button full-width, easy to tap */
    .input-group .btn {
        width: 100% !important;
        font-size: 1.05rem !important;
        padding: 0.75rem 1rem !important;
        border-radius: 0.375rem !important;
        justify-content: center;                    /* Center icon + text */
    }

    /* Reduce hero padding on small screens for better fit */
    .hero {
        padding: 2rem 1rem !important;
    }

    /* Optional: Make placeholder more visible */
    .form-control::placeholder {
        font-size: 1rem !important;
        color: #6c757d !important;
    }
}
@media (max-width: 575.98px) {
    .input-group-lg .form-control,
    .input-group-lg .btn {
        font-size: 0.95rem !important;          /* Smaller text */
        padding: .5rem .75rem !important;       /* Less padding */
    }

    .input-group .btn i { margin-right: 4px !important; }  /* Tighten icon spacing */

    /* Hide some button text on tiny screens */
    .input-group .btn span.text-label {         /* Add <span class="text-label">TikTok</span> around text in HTML */
        display: none;
    }
}