:root {
    --primary-color: #5D3FD3;  /* Modern deep purple */
    --secondary-color: #E6E6FA;  /* Soft lavender background */
    --accent-color: #7B68EE;  /* Vibrant medium purple */
    --text-color: #1A1A2E;  /* Dark navy for text */
    --background-color: #F4F4F9;  /* Light soft gray background */
    --white: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    min-width: 320px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(135deg, var(--secondary-color), var(--white));
    padding: 50px 20px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(93, 63, 211, 0.1);
}

h1 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.subheader {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 30px;
    font-weight: 500;
}

.cta-section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 35px;
    font-size: 1.1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(93, 63, 211, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.cta-button:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(93, 63, 211, 0.4);
}

.arrow-down {
    font-size: 2rem;
    margin-top: 20px;
    color: var(--primary-color);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-20px);}
    60% {transform: translateY(-10px);}
}

.steps {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.step {
    flex: 1;
    padding: 25px;
    background-color: var(--white);
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: scale(1.05);
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.advantages ul {
    list-style-type: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.advantages li {
    background-color: var(--white);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.calculator-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.calculator-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.testimonials .testimonial {
    background-color: var(--secondary-color);
    padding: 20px;
    margin: 15px 0;
    border-radius: 10px;
}

.faq details {
    margin: 15px 0;
    text-align: left;
}

.final-cta {
    background-color: var(--secondary-color);
    padding: 30px;
    border-radius: 10px;
}

.additional-calculators {
    margin-bottom: 40px;
    text-align: center;
}

.calculator-item h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.calculator-item p {
    margin-bottom: 15px;
    text-align: center;
}

.calculator-item .cta-button {
    margin-top: auto;
}

footer {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 50px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-section {
    flex: 1;
    margin: 0 15px;
}

.footer-section h4 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style-type: none;
    padding: 0;
}

.footer-section ul li {
    margin: 10px 0;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    margin-top: 20px;
    font-size: 0.9rem;
    opacity: 0.7;
}

section {
    margin-bottom: 40px;
    text-align: center;
}

@media screen and (max-width: 768px) {
    .container {
        padding: 10px;
    }

    h1 {
        font-size: 2rem;
    }

    .subheader {
        font-size: 1rem;
    }

    .steps, .advantages ul, .calculator-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
    }

    .step {
        margin: 10px 0;
    }

    .calculator-grid {
        gap: 15px;
    }

    .calculator-item {
        margin-bottom: 15px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-section {
        margin: 15px 0;
    }

    .cta-button {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

@media screen and (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }

    .container {
        padding: 5px;
    }

    .cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .calculator-icon {
        font-size: 2.5rem;
    }
}