/* ==========================================================================
   1. Design System (Tokens & Variables)
   ========================================================================== */

:root {
    /* Colors */
    --color-text: #333745; /* Dark gray for body text */
    --color-heading: #1d2129; /* Near-black for headings */
    --color-primary: #005ea2; /* A trustworthy government-esque blue */
    --color-background: #ffffff; /* Clean white background */
    --color-background-alt: #f4f6f8; /* Light gray for subtle contrast */
    --color-border: #dcdfe5; /* Light border color */
    /* Typography */
    --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --font-family-serif: "Georgia", "Times New Roman", serif;
    --font-size-base: 112.5%; /* 18px on a 16px browser default */
    --line-height-base: 1.6;
    /* Spacing */
    --spacing-xs: 0.25rem; /* 4px */
    --spacing-sm: 0.5rem; /* 8px */
    --spacing-md: 1rem; /* 16px */
    --spacing-lg: 2rem; /* 32px */
    --spacing-xl: 4rem; /* 64px */
    /* Layout */
    --container-max-width: 1200px;
    --header-height: 70px;
}


/* ==========================================================================
   2. Base & Typography Styles
   ========================================================================== */

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

body {
    font-family: var(--font-family-sans);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Class for preventing scroll when mobile menu is open */
.body--lock-scroll {
    overflow: hidden;
}

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


/* ==========================================================================
   3. Main Layout Structure (Mobile-First)
   ========================================================================== */

/* On mobile, all elements are in a single column flow by default */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main {
    flex-grow: 1;
    padding: var(--spacing-lg) var(--spacing-md);
}

.ad--sidebar {
    display: none; /* Hidden on mobile */
}

/* Desktop Layout (2-column) */
@media (min-width: 992px) {
    body {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 320px; /* Flexible main, fixed sidebar */
        grid-template-rows: auto auto 1fr auto;
        grid-template-areas:
            "header header"
            "banner banner"
            "main   sidebar"
            "footer footer";
        gap: var(--spacing-lg);
        max-width: var(--container-max-width);
        margin: 0 auto;
        padding: 0 var(--spacing-md);
    }

    .header {
        grid-area: header;
    }

    .ad--banner {
        grid-area: banner;
    }

    .main {
        grid-area: main;
        padding: var(--spacing-lg) 0;
    }

    .ad--sidebar {
        display: block; /* Show sidebar ad on desktop */
        grid-area: sidebar;
        /* Sticky sidebar for ad visibility */
        position: sticky;
        top: var(--spacing-lg);
        align-self: start;
    }

    .footer {
        grid-area: footer;
    }
}


/* ==========================================================================
   4. Component: Header
   ========================================================================== */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    height: var(--header-height);
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

    .header img {
        height: 48px; /* Adjust logo size */
        width: auto;
        display: block;
        margin-right: var(--spacing-sm);
    }
    .header__brand {
        display: flex;
        align-items: center; /* vertically center text with logo */
        text-decoration: none; /* remove underline */
        color: var(--color-heading); /* text color consistent */
    }
.header__title {
    font-family: 'Merriweather', serif;
    font-size: 1.5rem; /* a bit larger for emphasis */
    font-weight: 700;
    letter-spacing: 0.5px; /* subtle spacing */
}

/* Hamburger Menu Toggle Button */
.header__toggle {
    display: block; /* Shown on mobile */
    background: transparent;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    z-index: 1001; /* Above the nav menu */
}

    .header__toggle .bars {
        display: block;
        position: relative;
        width: 24px;
        height: 2px;
        background-color: var(--color-heading);
        transition: transform 0.3s ease, background-color 0.3s ease;
    }

        .header__toggle .bars::before,
        .header__toggle .bars::after {
            content: "";
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--color-heading);
            transition: transform 0.3s ease;
        }

        .header__toggle .bars::before {
            transform: translateY(-8px);
        }

        .header__toggle .bars::after {
            transform: translateY(8px);
        }

    /* Hamburger "X" state when active */
    .header__toggle[aria-expanded="true"] .bars {
        background-color: transparent; /* Middle bar disappears */
    }

        .header__toggle[aria-expanded="true"] .bars::before {
            transform: rotate(45deg);
        }

        .header__toggle[aria-expanded="true"] .bars::after {
            transform: rotate(-45deg);
        }


/* Mobile Navigation Panel */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-background);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    visibility: hidden;
}

    .header-nav.is-open {
        transform: translateX(0);
        visibility: visible;
    }

.header-nav__list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
}

.header-nav__item {
    margin: var(--spacing-lg) 0;
}

    .header-nav__item a {
        font-size: 1.5rem;
        font-weight: 500;
        color: var(--color-heading);
        text-decoration: none;
        padding: var(--spacing-sm);
        transition: color 0.2s;
    }

        .header-nav__item a:hover,
        .header-nav__item a:focus {
            color: var(--color-primary);
        }


/* Desktop Navigation */
@media (min-width: 992px) {


    .header__toggle {
        display: none; /* Hide hamburger on desktop */
    }

    .header-nav {
        position: static;
        width: auto;
        height: auto;
        background-color: transparent;
        transform: none;
        visibility: visible;
        display: block;
    }

    .header-nav__list {
        display: flex;
        align-items: center;
    }

    .header-nav__item {
        margin: 0 0 0 var(--spacing-lg);
    }

        .header-nav__item a {
            font-size: 1rem;
            font-weight: 500;
        }
}


/* ==========================================================================
   5. Component: Ads
   ========================================================================== */

.ad {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background-alt);
    border: 1px dashed var(--color-border);
    min-height: 90px;
    font-size: 0.875rem;
    color: #999;
}

.ad--banner {
    margin: 0; /* No margin on mobile */
}

/* Placeholder styles, AdSense will override */
.ad--sidebar {
    min-height: 600px;
}

@media (min-width: 992px) {
    .ad--banner {
        margin: 0;
    }
}


/* ==========================================================================
   6. Component: Footer
   ========================================================================== */

.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--color-background-alt);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-nav__list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-nav__item a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9rem;
}

    .footer-nav__item a:hover {
        text-decoration: underline;
        color: var(--color-primary);
    }

.footer__copy {
    font-size: 0.85rem;
    color: #767676;
    margin: 0;
}