/* General Body Styles */
body {
    background-color: #F5F5F7;
    color: #1D1D1F;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica Neue, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Georgia', serif;
    font-weight: 700;
}

.display-4 {
    font-size: 3.5rem;
    line-height: 1.2;
}

/* Buttons */
.btn-primary {
    background-image: linear-gradient(45deg, #5E5DF0, #8E8DFF);
    border: none;
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(94, 93, 240, 0.4);
    color: white;
}

.btn-secondary {
    background-color: #e9ecef;
    border-color: #e9ecef;
    color: #1D1D1F;
}

/* Forms */
.form-control-lg {
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    border: 1px solid #E5E5E7;
}
.form-control-lg:focus {
    border-color: #5E5DF0;
    box-shadow: 0 0 0 4px rgba(94, 93, 240, 0.1);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #E5E5E7;
}

/* Features Section */
.features {
    padding: 5rem 0;
}
.feature-card {
    background-color: #FFFFFF;
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid #E5E5E7;
    height: 100%;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}
.feature-card img {
    border-radius: 0.5rem;
}

/* Result Display */
#result {
    background-color: #FFFFFF;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-top: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
    border: 1px solid #E5E5E7;
    display: none; /* Hidden by default */
}
#result p {
    margin-bottom: 0.5rem;
}
#short-url {
    font-weight: 600;
    color: #5E5DF0;
    word-break: break-all;
}

/* Footer */
footer {
    padding: 3rem 0;
    font-size: 0.9rem;
    color: #6E6E73;
}