/* Base Styles */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-gray: #f3f4f6;
    --white: #ffffff;
}

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

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

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

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    position: relative;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

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

nav a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
    transform: scaleX(1);
}

/* Dropdown styles */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--white);
    min-width: 200px;
    box-shadow: 0px 8px 16px rgba(0,0,0,0.1);
    border-radius: 4px;
    z-index: 1;
    top: 100%;
    left: 0;
    margin-top: 4px;
}

.dropdown-content a {
    color: var(--text-color);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color 0.2s;
}

.dropdown-content a:hover {
    background-color: var(--light-gray);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover .dropbtn {
    color: var(--primary-color);
}

/* Hide dropdown on mobile by default */
@media (max-width: 768px) {
    .dropdown-content {
        position: static;
        box-shadow: none;
        display: none;
        width: 100%;
    }
    
    .dropdown.active .dropdown-content {
        display: block;
    }
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 200px);
}

.hero {
    text-align: center;
    padding: 4rem 1rem;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero p {
    font-size: 1.25rem;
    color: #4b5563;
    max-width: 700px;
    margin: 0 auto;
}

/* App Info Page Styles */
.app-info {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.app-header {
    text-align: center;
    margin-bottom: 3rem;
}

.app-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.app-description {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.features {
    margin-top: 3rem;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.feature {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--primary-color);
}

.feature h3 {
    color: var(--primary-color);
    margin-top: 0;
    font-size: 1.3rem;
}

.feature ul {
    margin-top: 0.5rem;
    margin-left: 1.5rem;
}

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

.privacy-note {
    background-color: #e6f0ff;
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.privacy-note h3 {
    color: var(--primary-color);
    margin-top: 0;
}

.about, .privacy-policy {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

h3 {
    color: var(--secondary-color);
    margin: 1.5rem 0 1rem;
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

.coming-soon {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background-color: var(--light-gray);
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        padding: 1rem;
    }
    
    nav ul {
        margin-top: 1rem;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    main {
        padding: 1rem;
    }
    
    .app-info {
        padding: 1rem;
    }
    
    .app-header h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    .feature {
        padding: 1.25rem;
    }
    
    .about, .privacy-policy {
        padding: 1.25rem;
    }
}