/* CSS Reset and Base Styles */
:root {
    /* Color Variables */
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --text-color: #1C1C1E;
    --background-color: #FFFFFF;
    --gray-100: #F2F2F7;
    --gray-200: #E5E5EA;
    --gray-300: #D1D1D6;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base Styles */
html, body {
    height: 100%;
    width: 100%;
}

body {
    font-family: var(--font-family);
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

p {
    margin-bottom: var(--spacing-md);
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--secondary-color);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
header {
    padding: var(--spacing-md) 0;
    background-color: var(--background-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

/* Main Content */
main {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

/* Footer */
footer {
    padding: var(--spacing-xl) 0;
    background-color: var(--gray-100);
    margin-top: auto;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Responsive Design */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .subheading {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    .content {
        gap: 1.5rem;
    }
}

.logo {
    max-width: 70%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
}

.subheading {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 1.25rem;
    line-height: 1.5;
    max-width: 800px;
}