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

/* Variables */
:root {
    /* Colors */
    --color-portland-dark: #2C2A1B;
    --color-portland-cream: #F5F0E3;
    --color-portland-green: #70BFB0;
    --color-portland-pink: #F9C4DE;
    --color-portland-lime: #CEFF65;
    --color-portland-orange: #EA8D6F;
    --color-portland-blue: #8BBCF5;
    --color-portland-purple: #C5B6FF;
    --color-portland-teal: #8CDED0;

    /* Typography */
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Work Sans', sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    /* Container */
    --container-padding: 1rem;
    --container-max-width: 1400px;

    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    /* Z-index */
    --z-header: 100;
    --z-modal: 200;
    --z-tooltip: 300;
}

/* Base Styles */
html {
    font-size: 16px;
    line-height: 1.5;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-portland-dark);
    color: white;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
.font-display {
    font-family: var(--font-display);
}

.font-body {
    font-family: var(--font-body);
}

.font-mono {
    font-family: var(--font-mono);
}

/* Color Utilities */
.text-green { color: var(--color-portland-green); }
.text-pink { color: var(--color-portland-pink); }
.text-lime { color: var(--color-portland-lime); }
.text-orange { color: var(--color-portland-orange); }
.text-blue { color: var(--color-portland-blue); }
.text-purple { color: var(--color-portland-purple); }
.text-teal { color: var(--color-portland-teal); }

.bg-portland-dark { background-color: var(--color-portland-dark); }
.bg-portland-cream { background-color: var(--color-portland-cream); }
.bg-portland-green { background-color: var(--color-portland-green); }
.bg-portland-pink { background-color: var(--color-portland-pink); }
.bg-portland-lime { background-color: var(--color-portland-lime); }
.bg-portland-orange { background-color: var(--color-portland-orange); }
.bg-portland-blue { background-color: var(--color-portland-blue); }
.bg-portland-purple { background-color: var(--color-portland-purple); }
.bg-portland-teal { background-color: var(--color-portland-teal); }

/* Utilities */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive Utilities */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
    }
}

/* Transitions */
.transition-colors {
    transition: color var(--transition-fast);
}

.transition-transform {
    transition: transform var(--transition-normal);
}

.transition-all {
    transition: all var(--transition-normal);
}

/* Border Utilities */
.border-white\/20 {
    border-color: rgba(255, 255, 255, 0.2);
}

.border-white\/30 {
    border-color: rgba(255, 255, 255, 0.3);
}

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }

@media (min-width: 768px) {
    .md\:flex-row { flex-direction: row; }
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-portland-green);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background-color: var(--color-portland-green);
    color: var(--color-portland-dark);
}