/* FRAC Font Family */
@font-face {
    font-family: 'FRAC';
    src: url('assets/fonts/FRAC-Thin.woff2') format('woff2'),
         url('assets/fonts/FRAC-Thin.woff') format('woff');
    font-weight: 100;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'FRAC';
    src: url('assets/fonts/FRAC-Light.woff2') format('woff2'),
         url('assets/fonts/FRAC-Light.woff') format('woff');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'FRAC';
    src: url('assets/fonts/FRAC-Regular.woff2') format('woff2'),
         url('assets/fonts/FRAC-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'FRAC';
    src: url('assets/fonts/FRAC-Medium.woff2') format('woff2'),
         url('assets/fonts/FRAC-Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'FRAC';
    src: url('assets/fonts/FRAC-Bold.woff2') format('woff2'),
         url('assets/fonts/FRAC-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'FRAC';
    src: url('assets/fonts/FRAC-ExtraBold.woff2') format('woff2'),
         url('assets/fonts/FRAC-ExtraBold.woff') format('woff');
    font-weight: 800;
    font-style: normal;
    font-display: swap;
}

/* CSS Variables - Brand Colors */
:root {
    --color-dark-green: #004639;
    --color-lime: #9CFF4A;
    --color-gold: #F4AF23;
    --color-purple: #6638B6;
    --color-pale-yellow: #fff59e;
    --color-gray: #737373;
    --color-white: #FFFFFF;
    --color-black: #000000;

    --font-display: 'FRAC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
}

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

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

/* Version Navigation */
.version-nav {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.75rem 1.25rem;
    border-radius: 100px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(10px);
}

.version-nav a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.875rem;
    background: var(--color-white);
    border: 2px solid var(--color-dark-green);
    color: var(--color-dark-green);
    transition: all 0.2s ease;
}

.version-nav a:hover {
    background: var(--color-dark-green);
    color: var(--color-white);
}

.version-nav a.active {
    background: var(--color-dark-green);
    color: var(--color-white);
}

/* Partner Logos */
.partners-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 2rem 3rem;
}

.partners-grid a {
    display: block;
    opacity: 0.85;
    transition: opacity 0.2s ease;
}

.partners-grid a:hover {
    opacity: 1;
}

.partners-grid img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

@media (min-width: 768px) {
    .partners-grid img {
        height: 50px;
    }
}