/* Mobile-first base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.container {
    width: 100%;
    max-width: 600px;
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

header {
    margin-bottom: 2rem;
}

.logo {
    max-width: 180px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

main h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

main p {
    font-size: 1.125rem;
    color: #555;
    margin-bottom: 0;
}

/* Tablet styles (min-width: 768px) */
@media (min-width: 768px) {
    .container {
        padding: 3rem 2.5rem;
    }

    .logo {
        max-width: 220px;
    }

    main h1 {
        font-size: 2.5rem;
    }

    main p {
        font-size: 1.25rem;
    }
}

/* Desktop styles (min-width: 1024px) */
@media (min-width: 1024px) {
    .container {
        padding: 4rem 3rem;
    }

    .logo {
        max-width: 260px;
    }

    main h1 {
        font-size: 3rem;
    }

    main p {
        font-size: 1.375rem;
    }
}