:root {
    --white: #FFFFFF;
    --light-gray: #F2F2F2;
    --mid-gray: rgb(180, 180, 180);
    --charcoal: #1A1A1A;
    --black: #000000;
    --protein: rgb(180, 180, 180);
    --fat: #FFD8A8;
    --carb: rgb(200, 238, 255);
    --primary: var(--charcoal);
    --secondary: var(--light-gray);
    --accent: var(--protein);
    --background: var(--white);
    --header-height: 64px;
    --radius: 18px;
    --shadow: 0 4px 24px rgba(26,26,26,0.08);
    --transition: 0.3s cubic-bezier(.4,0,.2,1);
}
html {
    font-size: 16px;
}
body {
    font-family: 'Poppins', sans-serif;
    background: var(--background);
    color: var(--primary);
    margin: 0;
    min-height: 100vh;
    line-height: 1.6;
}
.main-header {
    position: sticky;
    top: 0;
    width: 100%;
    background: rgba(255,255,255,0.95);
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    z-index: 100;
    backdrop-filter: blur(8px);
    transition: background 0.3s, box-shadow 0.3s;
}
.navbar {
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    height: var(--header-height);
    padding: 0 1.5rem;
}
.logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5em;
}
.main-footer {
    background: var(--white);
    border-top: 1px solid #E5E7EB;
    padding: 60px 0 0 0;
    width: 100%;
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
}
.footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-heading {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--primary);
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.footer-link {
    color: #6B7280;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s;
    min-height: 44px;
    display: flex;
    align-items: center;
}
.footer-link:hover, .footer-link:focus {
    color: #1F2937;
    outline: 2px solid #E5E7EB;
    outline-offset: 2px;
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #E5E7EB;
    padding: 24px 0;
    font-size: 0.95rem;
    flex-wrap: wrap;
    gap: 16px;
}
@media (min-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}
@media (max-width: 767px) {
    .main-footer {
        padding: 36px 0 0 0;
    }
    .footer-container {
        gap: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 16px 0;
        text-align: center;
    }
}