/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-background-top: #cbddec;
    --color-background-bottom: #1e2f40;
    --color-text: #1a1a1a;
    --color-text-secondary: #c0c0c0;
    --color-accent: #0066cc;
    --color-accent-hover: #0052a3;
    --color-border: #1a2530;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2.5rem;

    --transition: all 0.3s ease;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background-top: #1e2f40;
        --color-background-bottom: #1a1a1a;
        --color-text: #f1f1f1;
        --color-text-secondary: #b0b0b0;
        --color-accent: #4da6ff;
        --color-accent-hover: #66b3ff;
        --color-border: #b0b0b0;
    }
}

html {
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-base);
    line-height: 1.6;
    color: var(--color-text);
    background: linear-gradient(var(--color-background-top), 90%, var(--color-background-bottom));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container and Layout */
.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    text-align: center;
}

/* Business Name */
.business-name {
    font-size: var(--font-size-xl);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-top: auto;
    margin-bottom: var(--spacing-lg);
}

/* Icon Buttons */
.icon-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
    margin-bottom: auto;
}

.icon-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    color: var(--color-text);
    text-decoration: none;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    transition: var(--transition);
    background-color: transparent;
}

.icon-button:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.icon-button:active {
    transform: translateY(-2px);
}

.icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

/* Footer */
.footer {
    padding-top: var(--spacing-xl);
    text-align: center;
}

.footer p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --font-size-xl: 2rem;
    }

    .container {
        padding: var(--spacing-sm);
    }

    .icon-button {
        width: 56px;
        height: 56px;
    }

    .icon {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-xl: 1.75rem;
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }

    .icon-button {
        width: 52px;
        height: 52px;
    }

    .icon {
        width: 26px;
        height: 26px;
    }
}

/* Print Styles */
@media print {
    body {
        background-color: white;
        color: black;
    }

    .icon-button {
        border-color: black;
        color: black;
    }

    a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}

/* Focus Styles for Accessibility */
a:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 4px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}