/* =========================================================
   GenPrepper — Design System
   Shared by the static preview site and the WordPress theme.
   Mobile-first, no external framework.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@600;700;800&display=swap');

:root {
  /* Brand palette */
  --color-navy-900: #0a1f3d;
  --color-navy-800: #0f2a52;
  --color-navy-700: #163a6b;
  --color-navy-100: #e8edf5;
  --color-amber-600: #d9770a;
  --color-amber-500: #f59e0b;
  --color-amber-100: #fef3e0;
  --color-danger-600: #c0362c;
  --color-danger-100: #fbeae8;
  --color-success-600: #1f7a4d;
  --color-success-100: #e6f4ec;

  /* Neutral scale */
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-bg-dark: var(--color-navy-900);
  --color-text: #1a2233;
  --color-text-muted: #5b6472;
  --color-text-invert: #f4f6fa;
  --color-border: #e2e6ec;

  /* Type */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Poppins', 'Inter', -apple-system, sans-serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(10, 31, 61, 0.08);
  --shadow-md: 0 6px 20px rgba(10, 31, 61, 0.12);
  --content-max: 1180px;
  --article-max: 760px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-navy-700); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-amber-500);
  outline-offset: 2px;
  border-radius: 2px;
}
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.25; color: var(--color-navy-900); margin: 0 0 var(--space-4); }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; }
h2 { font-size: clamp(1.35rem, 3vw, 1.7rem); font-weight: 700; margin-top: var(--space-7); }
h3 { font-size: 1.15rem; font-weight: 600; margin-top: var(--space-5); }
p { margin: 0 0 var(--space-4); }
ul, ol { padding-left: 1.3rem; margin: 0 0 var(--space-4); }
li { margin-bottom: var(--space-2); }
blockquote {
  margin: var(--space-5) 0;
  padding: var(--space-4) var(--space-5);
  background: var(--color-amber-100);
  border-left: 4px solid var(--color-amber-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text);
}
blockquote p:last-child { margin-bottom: 0; }
table { width: 100%; border-collapse: collapse; margin: var(--space-5) 0; font-size: 0.95rem; border-radius: var(--radius-sm); overflow: hidden; }
th, td { text-align: left; padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); }
th { background: var(--color-navy-800); color: #fff; font-family: var(--font-heading); font-weight: 600; }
tbody tr:nth-child(even) td { background: var(--color-bg-alt); }
tr:hover td { background: var(--color-amber-100); }
.container { max-width: var(--content-max); margin: 0 auto; padding: 0 var(--space-5); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(10,31,61,0.18); }
.btn:active { transform: translateY(0) scale(0.97); box-shadow: none; }
.btn-primary { background: var(--color-amber-500); color: var(--color-navy-900); }
.btn-primary:hover { background: var(--color-amber-600); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.5); color: var(--color-text-invert); }
.btn-outline-dark { background: transparent; border-color: var(--color-navy-700); color: var(--color-navy-700); }

/* ---------- Site header ---------- */
.site-header { background: var(--color-navy-900); color: var(--color-text-invert); position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow-sm); }
.site-header__bar { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) 0; }
.site-logo { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-heading); font-weight: 800; font-size: 1.25rem; color: #fff; }
.site-logo:hover { text-decoration: none; }
.site-logo__mark { width: 34px; height: 34px; flex-shrink: 0; }
.site-logo__accent { color: var(--color-amber-500); }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  color: #fff;
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; }

.main-nav { display: none; }
.main-nav.is-open { display: block; position: absolute; left: 0; right: 0; top: 100%; background: var(--color-navy-800); padding: var(--space-4) var(--space-5); box-shadow: var(--shadow-md); }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-1); }
.main-nav a { display: block; position: relative; padding: var(--space-3) var(--space-2); color: var(--color-text-invert); font-weight: 500; border-radius: var(--radius-sm); }
.main-nav a:hover { background: rgba(255,255,255,0.08); text-decoration: none; }
.main-nav .cta-link { color: var(--color-amber-500); font-weight: 700; }
.main-nav a.is-active,
.main-nav li.current-menu-item > a,
.main-nav li.current-menu-parent > a { color: var(--color-amber-500); font-weight: 700; }
.main-nav a.is-active::after,
.main-nav li.current-menu-item > a::after,
.main-nav li.current-menu-parent > a::after {
  content: '';
  position: absolute; left: var(--space-2); right: var(--space-2); bottom: 2px;
  height: 2px; background: var(--color-amber-500); border-radius: 2px;
}

@media (min-width: 1220px) {
  .nav-toggle { display: none; }
  .main-nav { display: block; position: static; background: none; padding: 0; box-shadow: none; }
  .main-nav ul { flex-direction: row; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: var(--space-1) var(--space-2); }
  .main-nav a { padding: var(--space-2) var(--space-3); font-size: 0.88rem; white-space: nowrap; }
}

/* ---------- Ad slots ---------- */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-6) auto;
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  min-height: 90px;
  text-align: center;
  padding: var(--space-3);
}
.ad-slot--leaderboard { max-width: 728px; min-height: 90px; }
.ad-slot--incontent { max-width: 100%; min-height: 250px; }
.ad-slot--sidebar { min-height: 250px; position: sticky; top: 90px; }
.ad-slot--related { min-height: 120px; }
.ad-slot--anchor {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  min-height: 52px; background: var(--color-navy-900); color: var(--color-text-invert);
  border: none; border-radius: 0; box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
}
@media (min-width: 940px) { .ad-slot--anchor { display: none; } }

/* ---------- Hero ---------- */
.hero { position: relative; background: linear-gradient(135deg, var(--color-navy-900), var(--color-navy-700)); color: var(--color-text-invert); padding: var(--space-8) 0; overflow: hidden; }
.hero::after, .category-hero--photo::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  mix-blend-mode: overlay;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero__inner { max-width: 720px; }
.hero__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: center; }
.hero__media { display: none; position: relative; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.hero__badge {
  position: absolute; left: -18px; bottom: -18px; z-index: 2;
  background: #fff; color: var(--color-navy-900);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: 0 12px 28px rgba(10,31,61,0.35);
  display: flex; align-items: center; gap: var(--space-2);
  max-width: 220px;
}
.hero__badge svg { width: 26px; height: 26px; color: var(--color-amber-600); flex-shrink: 0; }
.hero__badge strong { display: block; font-family: var(--font-heading); font-size: 0.95rem; line-height: 1.2; }
.hero__badge span { display: block; font-size: 0.72rem; color: var(--color-text-muted); }
@media (min-width: 900px) {
  .hero__grid { grid-template-columns: 1.1fr 0.9fr; }
  .hero__media { display: block; aspect-ratio: 4 / 3; }
}
.hero__eyebrow { display: inline-block; background: rgba(245,158,11,0.15); color: var(--color-amber-500); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; padding: var(--space-2) var(--space-3); border-radius: 999px; margin-bottom: var(--space-4); }
.hero h1 { color: #fff; }
.hero p.lead { font-size: 1.1rem; color: rgba(244,246,250,0.85); max-width: 60ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-5); }

/* ---------- Category hero with photo ---------- */
.category-hero--photo {
  position: relative;
  color: var(--color-text-invert);
  background-size: cover;
  background-position: center;
  padding: var(--space-8) 0;
}
.category-hero--photo {
  min-height: 320px;
  display: flex;
  align-items: center;
}
.category-hero--photo::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,31,61,0.82) 0%, rgba(10,31,61,0.55) 45%, rgba(10,31,61,0.25) 100%);
}
.category-hero--photo h1,
.category-hero--photo .category-hero__tag {
  text-shadow: 0 2px 12px rgba(0,0,0,0.45);
}
.category-hero--photo .container { position: relative; z-index: 1; }
.category-hero--photo .category-hero__tag { color: var(--color-amber-500); }
.category-hero--photo h1 { color: #fff; }
.category-hero--photo p.lead { color: rgba(244,246,250,0.85) !important; }

/* ---------- Article hero image ---------- */
.article-hero-image { margin: 0 0 var(--space-6); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.article-hero-image img { width: 100%; max-height: 360px; object-fit: cover; }

/* ---------- Cards & grids ---------- */
.section { padding: var(--space-8) 0; }
.section--alt {
  background-color: var(--color-bg-alt);
  background-image: radial-gradient(circle, rgba(10,31,61,0.07) 1px, transparent 1px);
  background-size: 22px 22px;
}
.section__head { max-width: 640px; margin-bottom: var(--space-6); }
.section__head p { color: var(--color-text-muted); }
.grid { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid--2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 940px) { .grid--3 { grid-template-columns: repeat(3, 1fr); } .grid--6 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1180px) { .grid--6 { grid-template-columns: repeat(6, 1fr); } }

.card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-2);
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--color-amber-500), var(--color-amber-600));
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(10,31,61,0.14); border-color: rgba(217,119,10,0.35); }
.card:hover::before { transform: scaleX(1); }
.card__icon { width: 40px; height: 40px; color: var(--color-amber-600); }
.card__media { margin: calc(var(--space-5) * -1) calc(var(--space-5) * -1) var(--space-4); height: 140px; overflow: hidden; position: relative; background: linear-gradient(135deg, var(--color-navy-800), var(--color-navy-700)); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.card:hover .card__media img { transform: scale(1.06); }
.card__media .card__media-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.card__media .card__media-icon svg { width: 46px; height: 46px; color: rgba(255,255,255,0.5); }
.card__tag { display: inline-flex; align-items: center; gap: 4px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-navy-700); background: var(--color-navy-100); padding: 3px 8px 3px 6px; border-radius: var(--radius-sm); width: fit-content; border-left: 3px solid var(--color-amber-500); }
.card h3 { margin: 0; font-size: 1.05rem; }
.card h3 a { color: var(--color-navy-900); }
.card h3 a:hover { color: var(--color-amber-600); text-decoration: none; }
.card p { color: var(--color-text-muted); font-size: 0.92rem; margin: 0; }
.card__meta { margin-top: auto; font-size: 0.8rem; color: var(--color-text-muted); }

.category-hero { background: var(--color-navy-100); padding: var(--space-7) 0; }
.category-hero__tag { color: var(--color-amber-600); font-weight: 700; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.05em; }

/* ---------- Article layout ---------- */
.breadcrumb { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: var(--space-4); }
.breadcrumb a { color: var(--color-text-muted); }
.article-layout { display: grid; gap: var(--space-7); grid-template-columns: 1fr; padding: var(--space-7) 0; }
@media (min-width: 980px) { .article-layout { grid-template-columns: minmax(0, var(--article-max)) 300px; } }
.article-meta { display: flex; gap: var(--space-4); flex-wrap: wrap; color: var(--color-text-muted); font-size: 0.88rem; margin-bottom: var(--space-6); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
article.post-body h2:first-of-type { margin-top: var(--space-4); }

.callout-takeaways {
  background: var(--color-success-100);
  border: 1px solid rgba(31,122,77,0.25);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-6) 0;
}
.callout-takeaways h2 { margin-top: 0; color: var(--color-success-600); font-size: 1.05rem; }
.callout-takeaways ul { margin-bottom: 0; }

.faq-item { border-bottom: 1px solid var(--color-border); padding: var(--space-4) 0; }
.faq-item:last-child { border-bottom: none; }
.faq-item h3 { margin: 0 0 var(--space-2); font-size: 1rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); }
.faq-item h3::after { content: '+'; color: var(--color-amber-600); font-weight: 700; }
.faq-item.is-open h3::after { content: '\2212'; }
.faq-item p { color: var(--color-text-muted); display: none; margin: 0; }
.faq-item.is-open p { display: block; }

.related-block { margin-top: var(--space-7); padding-top: var(--space-6); border-top: 1px solid var(--color-border); }
.sidebar { display: flex; flex-direction: column; gap: var(--space-5); }
.sidebar-box { background: var(--color-bg-alt); border-radius: var(--radius-md); padding: var(--space-5); }
.sidebar-box h4 { margin-top: 0; font-size: 0.95rem; }
.sidebar-box ul { list-style: none; padding: 0; margin: 0; }
.sidebar-box li { margin-bottom: var(--space-2); font-size: 0.9rem; }

/* ---------- Tools ---------- */
.tool-panel { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-sm); }
.form-row { margin-bottom: var(--space-5); }
.form-row label { display: block; font-weight: 600; margin-bottom: var(--space-2); font-size: 0.92rem; }
.form-row input[type="number"],
.form-row input[type="text"],
.form-row select {
  width: 100%; padding: 0.7rem 0.9rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 1rem; background: #fff;
}
.checkbox-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-2); }
@media (min-width: 640px) { .checkbox-grid { grid-template-columns: repeat(2, 1fr); } }
.unit-toggle { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.checkbox-item { display: flex; align-items: center; gap: var(--space-2); font-size: 0.92rem; }
.tool-result { margin-top: var(--space-6); padding: var(--space-5); background: var(--color-navy-100); border-radius: var(--radius-md); }
.tool-result__value { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--color-navy-900); }
.risk-badge { display: inline-block; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; }
.risk-badge--high { background: var(--color-danger-100); color: var(--color-danger-600); }
.risk-badge--moderate { background: var(--color-amber-100); color: var(--color-amber-600); }
.risk-badge--low { background: var(--color-success-100); color: var(--color-success-600); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy-900); color: rgba(244,246,250,0.75); padding: var(--space-8) 0 var(--space-6); margin-top: var(--space-8); }
.site-footer.has-anchor-ad { padding-bottom: calc(var(--space-6) + 60px); }
@media (min-width: 940px) { .site-footer.has-anchor-ad { padding-bottom: var(--space-6); } }
.footer-grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; margin-bottom: var(--space-6); }
@media (min-width: 780px) { .footer-grid { grid-template-columns: 2fr repeat(4, 1fr); } }
.footer-grid h4 { color: #fff; font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: var(--space-3); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: var(--space-2); }
.footer-grid a { color: rgba(244,246,250,0.75); font-size: 0.9rem; }
.footer-grid a:hover { color: var(--color-amber-500); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: var(--space-5); font-size: 0.82rem; display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between; }
.footer-disclaimer { font-size: 0.78rem; color: rgba(244,246,250,0.5); max-width: 70ch; margin-top: var(--space-4); }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed; left: var(--space-4); right: var(--space-4); bottom: var(--space-4);
  max-width: 640px; margin: 0 auto;
  background: var(--color-navy-900); color: var(--color-text-invert);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  padding: var(--space-5); z-index: 100;
  display: none;
  gap: var(--space-4);
  flex-direction: column;
}
.cookie-banner.is-visible { display: flex; }
.cookie-banner p { margin: 0; font-size: 0.88rem; color: rgba(244,246,250,0.85); }
.cookie-banner__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ---------- Utility ---------- */
.text-muted { color: var(--color-text-muted); }
.mt-0 { margin-top: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }