/* ---------------------------------------------------------------------------
   Blue Parka design system
   Warm editorial palette, fluid type, zero JavaScript.
--------------------------------------------------------------------------- */

:root {
    --bg: #f5f8fc;
    --bg-alt: #e9f0f7;
    --surface: #ffffff;
    --ink: #16232f;
    --ink-soft: #4e6478;
    --ink-faint: #7f93a7;
    --accent: #1f6fce;
    --accent-deep: #154f99;
    --accent-soft: #dcebfb;
    --line: #d8e3ef;
    --radius: 14px;
    --shadow: 0 1px 2px rgb(22 35 47 / 0.05), 0 8px 24px -12px rgb(22 35 47 / 0.18);
    --font-display: "Fraunces", ui-serif, Georgia, serif;
    --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.015em;
    margin: 0 0 0.5em;
    text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 5.5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.2rem; }

a { color: var(--accent-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

code {
    font-size: 0.9em;
    background: var(--accent-soft);
    padding: 0.1em 0.4em;
    border-radius: 5px;
}

pre {
    background: var(--ink);
    color: #e8f0f8;
    padding: 1.1rem 1.3rem;
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.55;
}

pre code { background: none; padding: 0; color: inherit; }

.container { max-width: 72rem; margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
.container-narrow { max-width: 46rem; }

.visually-hidden {
    position: absolute; width: 1px; height: 1px;
    clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

.skip-link {
    position: absolute; left: 1rem; top: -3rem;
    background: var(--ink); color: #fff;
    padding: 0.5rem 1rem; border-radius: 8px;
    transition: top 0.15s; z-index: 100;
}
.skip-link:focus { top: 1rem; }

/* Header ------------------------------------------------------------------ */

.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgb(245 248 252 / 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex; align-items: center; gap: 1.5rem;
    padding-block: 0.8rem;
}

.brand { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; color: var(--ink); }
.brand-mark { font-size: 1.35rem; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; margin: 0; }

.site-nav { display: flex; gap: 1.1rem; margin-left: auto; }
.site-nav a {
    text-decoration: none; color: var(--ink-soft);
    font-weight: 500; font-size: 0.95rem;
    padding: 0.3rem 0.15rem; border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.active { color: var(--accent-deep); border-bottom-color: var(--accent); }

.nav-search input {
    font: inherit; font-size: 0.9rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--line); border-radius: 999px;
    background: var(--surface); color: var(--ink);
    width: clamp(7rem, 14vw, 13rem);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.nav-search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

@media (max-width: 640px) {
    .site-nav { display: none; }
    .nav-search { margin-left: auto; }
}

/* Hero -------------------------------------------------------------------- */

.hero {
    padding-block: clamp(3.5rem, 9vw, 6.5rem) clamp(3rem, 7vw, 5rem);
    background:
        radial-gradient(60rem 30rem at 85% -20%, var(--accent-soft), transparent 60%),
        radial-gradient(40rem 24rem at 0% 110%, #dfeaf4, transparent 55%);
    border-bottom: 1px solid var(--line);
}

.hero-inner { max-width: 52rem; }

.eyebrow {
    text-transform: uppercase; letter-spacing: 0.14em;
    font-size: 0.78rem; font-weight: 600;
    color: var(--accent-deep); margin: 0 0 1rem;
}

.hero h1 em { font-style: italic; color: var(--accent-deep); }

.hero-sub { font-size: 1.15rem; color: var(--ink-soft); max-width: 38rem; margin: 0.75rem 0 2rem; }

.hero-search {
    display: flex; align-items: center; gap: 0.5rem;
    background: var(--surface);
    border: 1px solid var(--line); border-radius: 999px;
    padding: 0.4rem 0.4rem 0.4rem 1.1rem;
    max-width: 36rem;
    box-shadow: var(--shadow);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.hero-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow); }
.hero-search .search-icon { color: var(--ink-faint); flex-shrink: 0; }
.hero-search input {
    flex: 1; min-width: 0; border: 0; background: none;
    font: inherit; font-size: 1.05rem; color: var(--ink);
    padding-block: 0.55rem;
}
.hero-search input:focus { outline: none; }
.hero-search button {
    font: inherit; font-weight: 600; font-size: 0.95rem;
    border: 0; border-radius: 999px; cursor: pointer;
    background: var(--accent); color: #fff;
    padding: 0.65rem 1.5rem;
    transition: background 0.15s, transform 0.1s;
}
.hero-search button:hover { background: var(--accent-deep); }
.hero-search button:active { transform: scale(0.97); }

.hero-suggestions {
    display: flex; flex-wrap: wrap; gap: 0.55rem; align-items: center;
    margin-top: 1.1rem; font-size: 0.9rem; color: var(--ink-faint);
}
.hero-suggestions a {
    text-decoration: none; color: var(--ink-soft);
    background: var(--surface); border: 1px solid var(--line);
    padding: 0.25rem 0.8rem; border-radius: 999px;
    transition: border-color 0.15s, color 0.15s;
}
.hero-suggestions a:hover { border-color: var(--accent); color: var(--accent-deep); }

/* Sections & cards --------------------------------------------------------- */

.section { padding-block: clamp(2.75rem, 6vw, 4.5rem); }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }

.section-head {
    display: flex; align-items: baseline; justify-content: space-between;
    gap: 1rem; margin-bottom: 1.75rem;
}
.section-head h2 { margin: 0; }
.section-link { font-weight: 600; font-size: 0.95rem; text-decoration: none; white-space: nowrap; }

.card-grid {
    display: grid; gap: 1.25rem;
    grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
}

.card {
    background: var(--surface);
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex; flex-direction: column; gap: 0.5rem;
    transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 2px 4px rgb(22 35 47 / 0.06), 0 16px 32px -12px rgb(22 35 47 / 0.22); }

.card h3 { margin: 0; }
.card h3 a { text-decoration: none; color: var(--ink); }
.card h3 a:hover { color: var(--accent-deep); }

.card-category {
    margin: 0; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--accent-deep);
}
.card-desc { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.card-meta { margin: 0.25rem 0 0; color: var(--ink-faint); font-size: 0.85rem; }

.topic-grid { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.25rem; }
.topic-pill {
    text-decoration: none; font-weight: 500; font-size: 0.95rem;
    color: var(--ink-soft); background: var(--surface);
    border: 1px solid var(--line); border-radius: 999px;
    padding: 0.5rem 1.2rem;
    transition: border-color 0.15s, color 0.15s;
}
.topic-pill:hover { border-color: var(--accent); color: var(--accent-deep); }

.list-rows { display: flex; flex-direction: column; }
.list-row {
    display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
    padding: 1.25rem 0.25rem;
    border-bottom: 1px solid var(--line);
}
.list-row:first-child { border-top: 1px solid var(--line); }
.list-row h3 { margin: 0.15rem 0; }
.list-row h3 a { text-decoration: none; color: var(--ink); }
.list-row h3 a:hover { color: var(--accent-deep); }
.list-row .card-meta { white-space: nowrap; }

.promise h2 { text-align: center; margin-bottom: 2rem; }
.promise-grid {
    display: grid; gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}
.promise-grid h3 { color: var(--accent-deep); }
.promise-grid p { color: var(--ink-soft); margin: 0; }

/* Page & article ----------------------------------------------------------- */

.page-head { padding-block: clamp(2.75rem, 6vw, 4.5rem) 1.5rem; }
.page-head-compact { padding-block: clamp(2rem, 4vw, 3rem) 0.5rem; }
.page-head .hero-search { margin-top: 1.5rem; }

.breadcrumbs { font-size: 0.85rem; color: var(--ink-faint); margin-bottom: 1.25rem; }
.breadcrumbs a { color: var(--ink-soft); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent-deep); }
.breadcrumbs span[aria-hidden] { margin-inline: 0.35rem; }

.prose { padding-bottom: clamp(2.75rem, 6vw, 4.5rem); }
.prose h2 { margin-top: 2.25em; }
.prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li { margin-block: 0.35rem; }
.prose table {
    width: 100%; border-collapse: collapse;
    font-size: 0.95rem; margin-block: 1.5rem;
    background: var(--surface); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow);
}
.prose th, .prose td {
    text-align: left; padding: 0.65rem 0.9rem;
    border-bottom: 1px solid var(--line);
}
.prose th { background: var(--bg-alt); font-weight: 600; font-size: 0.85rem; }
.prose tr:last-child td { border-bottom: 0; }
.prose blockquote {
    margin: 1.5rem 0; padding: 0.25rem 1.25rem;
    border-left: 3px solid var(--accent);
    color: var(--ink-soft); font-style: italic;
}

.notice {
    background: var(--accent-soft);
    border: 1px solid #b9d5f2;
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    font-size: 0.98rem;
    margin-block: 1.5rem;
}

/* Search results ----------------------------------------------------------- */

.search-results { max-width: 52rem; }
.results-subhead { font-size: 1.15rem; margin: 2rem 0 1rem; color: var(--ink-soft); }
.result-row { padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.result-row h3 { margin: 0.15rem 0; }
.result-row h3 a { text-decoration: none; color: var(--ink); }
.result-row h3 a:hover { color: var(--accent-deep); }

.gcse-block { margin-top: 0.5rem; }
.gcse-block .gsc-control-cse { padding: 0; border: 0; background: transparent; font-family: var(--font-body) !important; }

/* Footer ------------------------------------------------------------------- */

.site-footer {
    margin-top: 2rem;
    background: var(--ink); color: #c3d2e0;
}
.footer-inner {
    display: grid; gap: 2.5rem;
    grid-template-columns: 1.2fr 2fr;
    padding-block: 3rem 2rem;
}
.footer-brand .brand-name { color: #fff; margin: 0 0 0.5rem; }
.footer-tagline { margin: 0; font-size: 0.92rem; max-width: 22rem; }

.footer-nav { display: grid; gap: 1.5rem; grid-template-columns: repeat(3, 1fr); }
.footer-nav div { display: flex; flex-direction: column; gap: 0.45rem; }
.footer-heading {
    margin: 0 0 0.35rem; font-size: 0.78rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.12em; color: #7f93a7;
}
.footer-nav a { color: #c3d2e0; text-decoration: none; font-size: 0.92rem; }
.footer-nav a:hover { color: #fff; }

.footer-meta {
    border-top: 1px solid rgb(255 255 255 / 0.1);
    padding-block: 1.25rem; font-size: 0.85rem; color: #7f93a7;
}
.footer-meta p { margin: 0; }

@media (max-width: 720px) {
    .footer-inner { grid-template-columns: 1fr; }
    .footer-nav { grid-template-columns: repeat(2, 1fr); }
    .list-row { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .card, .hero-search button { transition: none; }
}