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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Navigation */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #4CAF50;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #4CAF50;
}

/* Hamburger button: hidden on desktop, visible on mobile */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 8px;
    margin-left: 16px;
    z-index: 1101;
}
.nav-toggle img {
    width: 32px;
    height: 32px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 120px 0 80px;
    min-height: 80vh;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 20px;
    color: #666;
    margin-bottom: 0px;
    line-height: 1.6;
}

.hero-content .download-buttons {
    margin-top: 0px;
    display: flex;
    gap: 8px; 
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.app-store-btn img {
    height: 150px;
    transition: transform 0.3s;
}

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

.hero-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #fff;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 12px;
    background: #f8f9fa;
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* App Screenshots */
.app-screenshots {
    padding: 80px 0;
    background: #fff;
}

.app-screenshots h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.screenshot-item {
    text-align: center;
    padding: 20px;
}

.screenshot-item img {
    width: 200px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    transition: transform 0.3s;
}

.screenshot-item img:hover {
    transform: translateY(-5px);
}

.screenshot-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.screenshot-item p {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: #f8f9fa;
}

.how-it-works h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    padding: 40px 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #4CAF50;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.step p {
    color: #666;
    line-height: 1.6;
}

/* Support Section */
.support {
    padding: 80px 0;
    background: #fff;
}

.support h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.support-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.support-card {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 12px;
}

.support-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    color: #333;
}

.faq-item {
    margin-bottom: 30px;
}

.faq-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
}

.contact-btn {
    display: inline-block;
    background: #4CAF50;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.3s;
    margin-top: 20px;
}

.contact-btn:hover {
    background: #45a049;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo .logo-text {
    color: white;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #4CAF50;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 75vw;
        max-width: 320px;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 80px 32px 32px 32px;
        box-shadow: -2px 0 16px rgba(0,0,0,0.12);
        gap: 0;
        z-index: 1100;
        transition: transform 0.3s;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links a {
        padding: 18px 0;
        color: #333;
        border-bottom: 1px solid #f0f0f0;
        display: block;
        width: 100%;
        font-size: 20px;
    }
    .nav-toggle {
        display: inline-block;
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-content h1 {
        font-size: 36px;
    }
    .support-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .screenshot-item img {
        width: 180px;
    }
}

/* Hide nav-toggle on desktop, show horizontal nav */
@media (min-width: 769px) {
    .nav-toggle {
        display: none !important;
    }
    .nav-links {
        display: flex !important;
        position: static;
        height: auto;
        width: auto;
        flex-direction: row;
        align-items: center;
        padding: 0;
        box-shadow: none;
    }
    .nav-links a {
        font-size: 16px;
        border-bottom: none;
        padding: 0 16px;
        width: auto;
    }
}