@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
    color: white;
    text-align: center;
    padding: 50px 20px;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Toggle Switch */
.toggle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #4CAF50;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Pricing Cards */
.pricing-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    width: 320px;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 255, 127, 0.3);
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 600;
    color: #00ff99;
}

.price {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 15px;
    color: #ffffff;
    background: linear-gradient(45deg, #00ff99, #00aaff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.details {
    opacity: 0.9;
    font-size: 1rem;
    margin-bottom: 10px;
    list-style: none;
}

/* Make checkmark (✔) brighter */
.details li {
    font-size: 1rem;
    margin-bottom: 8px;
    color: #00ff99;
    font-weight: 500;
}

/* Buttons */
button {
    background: linear-gradient(to right, #4CAF50, #00ff99);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: 0.3s;
    width: 100%;
}

button:hover {
    background: linear-gradient(to right, #00ff99, #4CAF50);
}

/* a */
a {
    background: linear-gradient(to right, #4CAF50, #00ff99);
    color: white;
    border: none;
    padding-right: 25px;
    padding-left: 25px;
    padding-top: 12px;
    padding-bottom: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: 0.3s;
    width: 100%;
    text-decoration: none;
}

a:hover {
    background: linear-gradient(to right, #00ff99, #4CAF50);
}

/* Calculator UI */
.calculator {
    display: none;
    padding: 15px;
    margin-top: 20px;
    transition: all 0.3s ease-in-out;
}

.calculator input {
    width: 90%;
    padding: 12px;
    font-size: 1rem;
    border: 2px solid #00ff99;
    border-radius: 5px;
    outline: none;
    background: transparent;
    color: white;
    text-align: center;
    transition: 0.3s ease-in-out;
}

.calculator input:focus {
    border-color: #4CAF50;
}

.calculated-roi {
    font-size: 1.2rem;
    font-weight: 500;
    margin-top: 10px;
    color: #00ff99;
    transition: all 0.3s ease-in-out;
}

.warning {
    font-size: 1rem;
    color: #ff4747;
    margin-top: 10px;
    display: none;
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}