/**
 * CSS Reset and Base Styles
 * Contains box-sizing, body defaults, and layout foundations
 */

/* Universal box-sizing for responsive design */
*, *::before, *::after {
    box-sizing: border-box;
}

/* Sticky footer setup */
html {
    height: 100%;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden; /* Prevent horizontal scrolling */
    scrollbar-gutter: stable; /* Reserve space for scrollbar to prevent layout shifts */
    -webkit-text-size-adjust: 100%; /* Prevent iOS text size adjustment */
}

body {
    font-family: var(--body-font);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    margin: 0;
    padding: 0;
    padding-left: env(safe-area-inset-left, 0);
    padding-right: env(safe-area-inset-right, 0);
    /* No padding-top safe-area: fixed .main-nav already uses env(safe-area-inset-top); body top padding would double the inset and create a gap below the nav. */
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* Full viewport height */
    width: 100%;
    max-width: 100vw; /* Prevent overflow */
    overflow-x: hidden; /* Prevent horizontal scrolling */
    -webkit-font-smoothing: antialiased;
}

main {
    flex: 1 0 auto; /* Grow to fill available space, don't shrink, respect auto basis */
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden; /* Prevent horizontal overflow */
    padding-top: 72px; /* Account for fixed navigation height */
}

@media (max-width: 768px) {
    main {
        padding-top: 60px; /* Reduced padding for smaller nav on tablet */
    }
}

@media (max-width: 480px) {
    main {
        padding-top: 52px; /* Further reduced padding for mobile nav */
    }
}

/* Ensure all section containers are responsive */
section {
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
}

footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: auto; /* Push footer to bottom when content is short */
    flex-shrink: 0; /* Don't shrink */
    width: 100%;
    box-sizing: border-box;
}

footer a {
    color: #fff;
    text-decoration: underline;
    transition: opacity 0.2s ease;
}

footer a:hover {
    opacity: 0.8;
}

footer p {
    margin: 0;
    font-size: 1rem;
    font-family: var(--body-font);
}

/* Link styles */
a {
    color: var(--burgundy);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--burgundy-hover);
    text-decoration: underline;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
    width: 100%;
}

@media screen and (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
}

/* Section divider utility */
.section-divider {
    width: 80px;
    height: 2px;
    background-color: var(--burgundy);
    margin: 40px auto;
    border-radius: 1px;
}

/* Container spacing utilities */
.mt-5 {
    margin-top: 3rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

.ml-2 {
    margin-left: 10px;
}

.mb-3 {
    margin-bottom: 1.5rem;
}