/* Base Styles */
:root {
    --primary-color: #1a73e8;
    --secondary-color: #ffd700;
    --text-color: #333;
    --light-text: #666;
    --white: #fff;
    --light-gray: #f5f5f5;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #0d5bca;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: #f0f7ff;
    transform: translateY(-2px);
}

.btn-store {
    background-color: var(--white);
    color: var(--text-color);
    border: 1px solid #ddd;
    padding: 12px 20px;
    box-shadow: var(--box-shadow);
}

.btn-store:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.btn-store .icon {
    font-size: 1.5rem;
    margin-right: 10px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.nav ul {
    display: flex;
    gap: 30px;
}

.nav a {
    font-weight: 500;
}

.nav a:hover {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f5f9ff 0%, #ecf4ff 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--light-text);
}

.calculator {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}

.calculator-input,
.calculator-output {
    margin-bottom: 20px;
}

.calculator label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.calculator input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
}

.calculator input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.calculator-output input {
    background-color: #f9f9f9;
}

.exchange-rate {
    font-size: 0.9rem;
    color: var(--light-text);
    text-align: center;
}

.download-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.phone-mockup {
    background: url('phone-mockup.svg') no-repeat center;
    height: 500px;
    background-size: contain;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.step h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background-color: var(--white);
}

.pricing-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border: 2px solid var(--secondary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background-color: var(--secondary-color);
    color: var(--text-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.pricing-card h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.price-note {
    color: var(--light-text);
    margin-bottom: 30px;
}

.features-list {
    margin-bottom: 30px;
}

.features-list li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.features-list li:last-child {
    border-bottom: none;
}

.not-included {
    color: #999;
    text-decoration: line-through;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

.rating {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.quote {
    font-style: italic;
    margin-bottom: 20px;
}

.author {
    display: flex;
    align-items: center;
}

.author-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #ddd;
    margin-right: 15px;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.author-info p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0d5bca 100%);
    color: var(--white);
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta .download-buttons {
    justify-content: center;
}

/* Footer */
.footer {
    padding: 80px 0 30px;
    background-color: #1a1a1a;
    color: var(--white);
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-logo p {
    color: #aaa;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.link-group h3 {
    margin-bottom: 20px;
    color: var(--white);
}

.link-group ul li {
    margin-bottom: 10px;
}

.link-group ul li a {
    color: #aaa;
}

.link-group ul li a:hover {
    color: var(--white);
}

.social-links h3 {
    margin-bottom: 20px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background-color: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    text-align: center;
    color: #aaa;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .header .btn {
        display: none;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .download-buttons {
        flex-direction: column;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .steps,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.feature-card,
.step,
.pricing-card,
.testimonial {
    animation: fadeIn 0.8s ease-out forwards;
}

.feature-card:nth-child(2) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.4s;
}

.feature-card:nth-child(4) {
    animation-delay: 0.6s;
}

.step:nth-child(2) {
    animation-delay: 0.2s;
}

.step:nth-child(3) {
    animation-delay: 0.4s;
}

.testimonial:nth-child(2) {
    animation-delay: 0.2s;
}

.testimonial:nth-child(3) {
    animation-delay: 0.4s;
}