/* --- Basic Reset & Body --- */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f7f7f7;
}

/* --- Main Container --- */
.container {
    display: flex;
    flex-wrap: wrap;
    max-width: 800px;
    margin: 50px auto;
    padding: 50px 10%;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* --- Left Column (Form) --- */
.lookup-form {
    flex: 1 1 300px;
    margin-right: 40px;
    min-width: 280px;
    margin-bottom: 20px;
}
.lookup-form h1 {
    margin-top: 0;
    font-size: 24px;
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}
select,
input[type="text"] {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    box-sizing: border-box;
    margin-bottom: 10px;
}
input[type="submit"] {
    cursor: pointer;
    width: 100%;
    padding: 10px;
    font-size: 16px;
    background-color: rgb(38 60 102);
    text-transform: uppercase;
    color: #fff;
    border: none;
}
.form-footer-text {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.5;
}
.form-footer-text a {
    text-decoration: underline;
    color: #000;
}

/* --- Right Column (Info) --- */
.info-section {
    flex: 2 1 400px;
}
.info-section h2 {
    font-size: 20px;
    margin-top: 0;
    margin-bottom: 10px;
}
.info-section p {
    line-height: 1.6;
    margin-bottom: 15px;
}
.info-section ul {
    line-height: 1.6;
    margin-bottom: 15px;
    padding-left: 20px;
}
.info-section li {
    margin-bottom: 8px;
}
.info-section li strong {
    font-weight: bold;
}
.linkish, .info-section a {
    color: rgb(47, 74, 127);
    cursor: pointer;
    display: inline;
    text-decoration: underline;
}


/* --- Index Page: Modernized Mobile-First Styles --- */
/* Variables and base adjustments */
:root {
    --primary-color: #2F4A7F;
    --accent-color: #F79E1B; /* brand accent (unchanged) */
    --accent-link-color: #8C4D00; /* darker orange for AA contrast on white */
    --accent-link-hover: #733F00;
    --background-color: #f8f9fa;
    --text-color: #2d3436;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px; /* extra spacing step for headings */
    --space-8: 64px; /* generous top spacing for desktop */
    --container-max: 1120px; /* wider desktop container */
}

html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
img, svg { display: block; max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid rgba(47,74,127,0.35); outline-offset: 2px; }

/* Body override on index */
body {
    color: var(--text-color);
    background-color: var(--background-color);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans',
                 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 0;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header */
.site-header {
    display: flex;
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1em;
}
.site-logo { height: 50px; margin-right: 1em; }
.site-header svg { width: 100%; max-width: 360px; height: auto; }

/* Container and headings */
.container {
    display: block; /* reset earlier flex container */
    max-width: var(--container-max);
    margin: 1.5em auto;
    padding: 0 var(--space-4);
    background: transparent; /* remove legacy white card */
    box-shadow: none;         /* remove legacy shadow */
}
h1 {
    width: 100%;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 1em;
    color: var(--primary-color);
    padding: 0;
}

/* Form card */
.form-container {
    background: white;
    padding: var(--space-6);
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5em;
    transition: var(--transition);
    width: 100%;
    border-radius: var(--border-radius);
}
.form-container:hover { box-shadow: 0 6px 12px rgba(0,0,0,0.12); }

.landing-links {
    background: white;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    padding: var(--space-5);
    margin: 2em 0 0;
}
.landing-links__title {
    margin: 0 0 var(--space-3);
    font-size: 1.05em;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.landing-links__list {
    list-style: none;
    display: grid;
    gap: var(--space-2);
    padding: 0;
    margin: 0;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.landing-links__link {
    display: block;
    padding: var(--space-3) var(--space-4);
    background: var(--background-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}
.landing-links__link:hover,
.landing-links__link:focus {
    background: rgba(47, 74, 127, 0.08);
}
.landing-links__link--active {
    background: rgba(47, 74, 127, 0.12);
    cursor: default;
}
.landing-links__link--active:hover,
.landing-links__link--active:focus {
    background: rgba(47, 74, 127, 0.12);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5em;
    margin-bottom: 1.5em;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.form-group { display: flex; flex-direction: column; flex: 1; min-width: 200px; }
label {
    font-weight: 600;
    margin-bottom: 0.5em;
    color: var(--primary-color);
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Inputs */
input[type='text'], select {
    padding: 0.9em 1em;
    font-size: 1em;
    width: 100%;
    box-sizing: border-box;
    border: 2px solid #e1e1e1;
    border-radius: var(--border-radius);
    background-color: white;
    transition: var(--transition);
    min-height: 44px;
    -webkit-appearance: none;
       -moz-appearance: none;
            appearance: none;
}
input[type='text']:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(47, 74, 127, 0.1);
}

/* Submit */
input[type='submit'] {
    padding: 1em 2em;
    font-size: 1.1em;
    cursor: pointer;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
input[type='submit']:hover { background-color: #1e3259; transform: translateY(-2px); box-shadow: 0 6px 12px rgba(0,0,0,0.15); }

.form-footer-text { margin: 1.5em 0 0.5em; font-size: 0.95em; color: #666; line-height: 1.6; }

/* Info section */
.info-section { background: white; padding: 1.8em; box-shadow: var(--box-shadow); transition: var(--transition); }
.info-section:hover { box-shadow: 0 6px 12px rgba(0,0,0,0.12); }
.info-section h2 { color: var(--primary-color); font-size: 1.8em; margin-top: 0; margin-bottom: 1em; font-weight: 700; }
.info-section h4 { color: var(--primary-color); font-size: 1.2em; margin-top: 1.5em; margin-bottom: 0.5em; padding: 1em; background: #f8f9fa; border-radius: var(--border-radius); position: relative; font-weight: 600; }
.info-section h4:hover { background: #edf0f3; }
.info-section .faq-content { padding: 0 1em 0.5em; }
.info-section p { color: #4a4a4a; margin-bottom: 1em; }
.info-section ul { padding-left: 1.2em; }
.info-section li { margin-bottom: 0.5em; color: #4a4a4a; }
/* Typographic rhythm and links */
h1, h2, h3, h4 { line-height: 1.25; margin-top: 0; }
p, ul, ol { margin-top: 0; margin-bottom: var(--space-4); }
li { margin-bottom: var(--space-2); }
strong { font-weight: 600; }

a, a:visited { color: var(--accent-link-color); text-decoration: underline; text-underline-offset: 2px; transition: var(--transition); }
a:hover { color: var(--accent-link-hover); }

/* Heading sizes (mobile-first scale) */
h1 { font-size: 24px; }
h2 { font-size: 20px; }
h3 { font-size: 18px; }
h4 { font-size: 16px; }

@media (min-width: 600px) {
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  h3 { font-size: 20px; }
  h4 { font-size: 18px; }
}
@media (min-width: 768px) {
  h1 { font-size: 34px; }
  h2 { font-size: 26px; }
  h3 { font-size: 22px; }
  h4 { font-size: 18px; }
}
@media (min-width: 1024px) {
  /* Larger base type on desktop for readability */
  body { font-size: 18px; line-height: 1.65; }
  /* Two-column desktop layout using CSS Grid */
  .container {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: var(--space-6);
    align-items: start;
    padding-top: var(--space-6); /* reduce space above H1 */
    margin-top: 1em;            /* tighten gap from header */
  }
  .container > h1 { grid-column: 1 / -1; margin-bottom: var(--space-5); }
  .form-container { grid-column: 1; position: sticky; top: 24px; }
  .info-section { grid-column: 2; padding: 2em; max-width: 70ch; }
  .landing-links { grid-column: 2; margin-top: 1.5em; }
  /* Bump heading scale a touch on large screens */
  h1 { font-size: 40px; }
  h2 { font-size: 28px; }
  h3 { font-size: 22px; }
  h4 { font-size: 20px; }
  /* Comfortable rhythm for long-form text */
  p, ul, ol { margin-bottom: var(--space-5); }
}

/* Ensure section headings follow the same scale despite earlier specific rules */
.info-section h2 { font-size: 20px; }
.info-section h4 { font-size: 16px; }
@media (min-width: 600px) {
  .info-section h2 { font-size: 24px; }
  .info-section h4 { font-size: 18px; }
}
@media (min-width: 768px) {
  .info-section h2 { font-size: 26px; }
  .info-section h4 { font-size: 18px; }
}

/* Mobile CTA (only on small screens) */
.mobile-cta { display: none; }
.mobile-cta__button { display: inline-block; text-align: center; }
.mobile-cta__button,
.mobile-cta__button:visited,
.mobile-cta__button:hover,
.mobile-cta__button:active,
.mobile-cta__button:focus {
    color: #fff;
    text-decoration: none;
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,1px,1px); border: 0; }

@media (max-width: 470px) {
    body { padding-bottom: 76px; }
    .container { margin: var(--space-3) auto var(--space-5); padding: 0 var(--space-4); }
    .form-container { box-shadow: none; padding: var(--space-5); border-radius: var(--border-radius); }
    .form-row { flex-direction: column; gap: var(--space-4); }
    .form-group { max-width: 100%; }
    .info-section { box-shadow: none; padding: var(--space-5); border-radius: var(--border-radius); }
    h1 { font-size: 24px; margin-bottom: var(--space-4); padding: 0; }
    input[type='submit'] { font-size: 1em; padding: 0.9em 1em; }
    .site-header { padding: var(--space-3) var(--space-4) 0; }
    .site-header svg { max-width: 260px; }

    /* Tighten FAQ header spacing on mobile */
    .info-section h4 { margin-top: 1em; padding: 0.75em; }

    /* Sticky mobile CTA */
    .mobile-cta {
        display: block;
        position: fixed;
        left: 12px; right: 12px;
        bottom: max(12px, env(safe-area-inset-bottom));
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(8px);
        transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
    }
    .mobile-cta.mobile-cta--visible {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
        transition: opacity .2s ease, transform .2s ease;
    }
    .mobile-cta__button {
        width: 100%;
        background: var(--primary-color);
        color: #fff;
        padding: 12px 16px;
        border-radius: 999px;
        font-weight: 700;
        letter-spacing: 0.4px;
        box-shadow: 0 6px 18px rgba(0,0,0,0.18);
    }
    .mobile-cta__button:hover { background: #243a62; }
    .mobile-cta__button:focus-visible {
        outline: none;
        box-shadow: 0 0 0 3px rgba(255,255,255,0.6), 0 6px 18px rgba(0,0,0,0.18);
    }
}

/* Stack form fields on most phones and small tablets */
@media (max-width: 768px) {
  .form-row { flex-direction: column; gap: var(--space-4); }
  .form-group { min-width: 0; }
}