:root {
    --primary-color: #2196F3;
    --secondary-color: #1976D2;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --dark-gray: #666;
    --white: #fff;
    --max-width: 1200px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.center-nav {
    margin: 0 auto;
}

.center-nav a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo span {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    /*background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));*/
    background: #163C93;
    color: var(--white);
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* Buttons */
.button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.3s, box-shadow 0.3s;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

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

.button.secondary {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    margin-left: 1rem;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: var(--light-gray);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Benefits Section */
.benefits {
    padding: 4rem 0;
}

.benefits h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit {
    text-align: center;
    padding: 2rem;
}

.benefit h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Download Section */
.download {
    padding: 4rem 0;
    background: var(--light-gray);
    text-align: center;
}

.download h2 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.download p {
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.app-store-button img {
    height: 60px;
    transition: transform 0.3s;
}

.app-store-button:hover img {
    transform: scale(1.05);
}

/* Footer */
footer {
    background: var(--text-color);
    color: var(--white);
    padding: 2rem 0;
}

.footer-bottom {
    text-align: center;
}

/* FAQ Section */
.faq {
    padding: 4rem 0;
    background: var(--white);
}

.faq h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 1px;
    max-width: 800px;
    margin: 0 auto;
    background: var(--light-gray);
    border: 1px solid var(--light-gray);
    border-radius: 10px;
    overflow: hidden;
}

.faq-item {
    background: var(--white);
    transition: background-color 0.3s;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--text-color);
    transition: transform 0.3s;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1.5rem;
    color: var(--dark-gray);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 1.5rem;
}

.faq-item.active .faq-toggle {
    transform: rotate(90deg);
}

.faq-item:hover {
    background: var(--light-gray);
}

.faq-answer p {
    margin-bottom: 1rem;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.faq-answer li {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.faq-answer li:before {
    content: "•";
    position: absolute;
    left: 0;
}

.faq-answer li:last-child {
    margin-bottom: 0;
}

/* Privacy Policy */
.privacy-policy {
    padding: 4rem 0 4rem;
}

.privacy-policy h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.policy-content {
    max-width: 800px;
    margin: 0 auto;
}

.policy-content h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 2rem 0 1rem;
}

.policy-content p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.policy-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.policy-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.policy-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.policy-content a:hover {
    text-decoration: underline;
}

/* Footer Links */
.footer-bottom a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-bottom a:hover {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .button.secondary {
        margin-left: 0;
    }

    .privacy-policy {
        padding: 6rem 0 3rem;
    }

    .privacy-policy h1 {
        font-size: 2rem;
    }

    .policy-content h2 {
        font-size: 1.25rem;
    }
}