/* ==========================================================================
   Oyebidu — base stylesheet
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f7f9;
  --color-text: #1a1d23;
  --color-text-muted: #5b6270;
  --color-border: #e4e7ec;
  --color-primary: #2f5fff;
  --color-primary-dark: #2347bf;
  --color-accent: #ff7a45;
  --color-card-bg: #ffffff;
  --max-width: 1100px;
  --radius: 10px;
  --font-body: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --font-serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; margin: 0 0 .6em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1.1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.95);
  backdrop-filter: saturate(180%) blur(6px);
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
}
.brand:hover { text-decoration: none; opacity: .85; }
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: .95rem;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--color-text);
  font-weight: 600;
  font-size: .95rem;
  transition: color .15s ease;
}
.main-nav > ul > li > a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* ---------- Articles category submenu ---------- */
.has-submenu { position: relative; }
.nav-caret { font-size: .65em; margin-left: 3px; opacity: .6; vertical-align: middle; }
.main-nav ul.submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.main-nav ul.submenu li { display: block; }

@media (min-width: 761px) {
  .main-nav ul.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    box-shadow: 0 12px 28px rgba(20,25,40,.1);
    min-width: 190px;
    padding: 8px;
    margin-top: 8px;
    visibility: hidden;
    opacity: 0;
    z-index: 150;
  }
  .main-nav ul.submenu {
    transform: translateY(-4px);
    transition: opacity .15s ease, transform .15s ease, visibility .15s ease;
  }
  .has-submenu:hover .submenu,
  .has-submenu:focus-within .submenu {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }
  .main-nav ul.submenu li { margin: 0; }
  .main-nav ul.submenu a {
    display: block;
    padding: 8px 10px;
    border-radius: 6px;
    font-weight: 500;
    font-size: .88rem;
    color: var(--color-text);
  }
  .main-nav ul.submenu a:hover {
    background: var(--color-bg-alt);
    text-decoration: none;
    color: var(--color-primary);
  }
}

@media (max-width: 760px) {
  .main-nav ul.submenu {
    padding-left: 16px;
    margin: 2px 0 6px;
    border-left: 2px solid var(--color-border);
  }
  .has-submenu { border-top: 1px solid var(--color-border); }
  .main-nav ul.submenu li { border-top: none; }
  .main-nav ul.submenu a {
    padding: 8px 0 8px 8px !important;
    font-size: .87rem;
    color: var(--color-text-muted) !important;
    font-weight: 500 !important;
  }
}

.search-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  color: var(--color-text);
  margin-left: 8px;
  flex-shrink: 0;
  transition: background .15s ease, border-color .15s ease;
}
.search-toggle:hover { background: var(--color-bg-alt); border-color: var(--color-text-muted); }

.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 25, 40, .45);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 10vh 20px 20px;
  z-index: 300;
}
.search-overlay.visible { display: flex; }
body.search-open { overflow: hidden; }

.search-panel {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 560px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,.25);
}
.search-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
}
.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1.05rem;
  font-family: inherit;
  color: var(--color-text);
}
.search-close {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 4px 6px;
}
.search-results {
  overflow-y: auto;
  padding: 8px;
}
.search-result {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--color-text);
}
.search-result:hover { background: var(--color-bg-alt); text-decoration: none; }
.search-result-cat {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--color-primary);
}
.search-result-title { font-weight: 700; font-size: .98rem; }
.search-result-excerpt { font-size: .85rem; color: var(--color-text-muted); }
.search-empty {
  padding: 20px 12px;
  color: var(--color-text-muted);
  font-size: .92rem;
  text-align: center;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background .15s ease, border-color .15s ease;
}
.nav-toggle:hover { background: var(--color-bg-alt); border-color: var(--color-text-muted); }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  position: relative;
  transition: .2s;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; align-items: center; }
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    display: none;
  }
  .main-nav.open { display: block; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 20px 16px;
  }
  .main-nav li { border-top: 1px solid var(--color-border); }
  .main-nav a { display: block; padding: 12px 0; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--color-bg-alt), #fff);
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--color-border);
}
.hero p.lead {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 620px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
}
.hero-stat strong {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text);
}
.hero-stat span {
  font-size: .85rem;
  color: var(--color-text-muted);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  font-size: .95rem;
}
.btn-outline:hover { background: var(--color-bg-alt); text-decoration: none; border-color: var(--color-text-muted); }

/* ---------- Category grid (homepage) ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.category-tile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-card-bg);
  color: var(--color-text);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.category-tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(20,25,40,.08);
  text-decoration: none;
  border-color: var(--color-primary);
}
.category-tile-icon { font-size: 1.6rem; line-height: 1; flex-shrink: 0; }
.category-tile-name { font-weight: 700; font-size: .98rem; }
.category-tile-count { font-size: .8rem; color: var(--color-text-muted); }

/* ---------- Trust strip (homepage) ---------- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.trust-item-icon { font-size: 1.6rem; margin-bottom: 10px; }
.trust-item h3 { font-size: 1.05rem; margin-bottom: 6px; }
.trust-item p { color: var(--color-text-muted); font-size: .92rem; margin-bottom: 0; }
.section-alt { background: var(--color-bg-alt); }

/* ---------- Cards / article grid ---------- */
.section { padding: 48px 0; }
.section-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(20,25,40,.08); }
.card-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #eef1ff, #ffe9df);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.card-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-tag {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--color-primary);
}
.card h3 { margin: 0; font-size: 1.08rem; }
.card h3 a { color: var(--color-text); }
.card p { color: var(--color-text-muted); font-size: .92rem; margin: 0; }
.card-meta { margin-top: auto; font-size: .82rem; color: var(--color-text-muted); }

/* ---------- Article page ---------- */
.article-header { padding: 44px 0 20px; border-bottom: 1px solid var(--color-border); }
.article-meta { color: var(--color-text-muted); font-size: .9rem; }
.article-tag {
  display: inline-block;
  background: #eef1ff;
  color: var(--color-primary-dark);
  font-size: .74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 34px 20px 10px;
  font-size: 1.06rem;
}
.article-body h2 { margin-top: 1.6em; }
.article-body h3 { margin-top: 1.3em; }
.article-body ul, .article-body ol { padding-left: 1.3em; }
.article-body li { margin-bottom: .4em; }
.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  margin: 1.5em 0;
  padding: .3em 1em;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
}
.callout {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 1.6em 0;
  font-size: .95rem;
}
.form-status-success {
  background: #eafaf1;
  border-color: #b7e4c7;
  color: #1e6b3c;
}
.form-status-error {
  background: #fdecec;
  border-color: #f3b8b8;
  color: #a3241f;
}
.disclosure-note {
  font-size: .85rem;
  color: var(--color-text-muted);
  border-top: 1px dashed var(--color-border);
  padding-top: 14px;
  margin-top: 2em;
}

.ad-slot {
  max-width: 760px;
  margin: 28px auto;
  padding: 10px 20px;
  text-align: center;
}
.ad-slot .ad-label {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.related-posts { background: var(--color-bg-alt); padding: 40px 0; margin-top: 30px; }

/* ---------- Static pages (about/contact/legal) ---------- */
.prose {
  max-width: 760px;
  margin: 0 auto;
  padding: 44px 20px 60px;
}
.prose h1 { margin-bottom: .4em; }
.prose h2 { margin-top: 1.6em; }
.prose .updated { color: var(--color-text-muted); font-size: .9rem; margin-bottom: 2em; }

/* ---------- Contact form ---------- */
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .92rem; }
.form-field input, .form-field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font: inherit;
}
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  font-size: .95rem;
}
.btn:hover { background: var(--color-primary-dark); text-decoration: none; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  padding: 40px 0 24px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 26px;
}
.footer-grid h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-muted); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--color-text); font-size: .92rem; }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  font-size: .85rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  justify-content: space-between;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Cookie consent banner ---------- */
.cookie-banner {
  position: fixed;
  left: 16px; right: 16px; bottom: 16px;
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-text);
  color: #fff;
  padding: 18px 20px;
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
  display: none;
  z-index: 200;
  font-size: .92rem;
}
.cookie-banner.visible { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.cookie-banner a { color: #9fb4ff; }
.cookie-banner .cookie-actions { margin-left: auto; display: flex; gap: 10px; }
.cookie-banner button {
  border: none;
  padding: 9px 16px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  font-size: .85rem;
}
.cookie-accept { background: var(--color-primary); color: #fff; }
.cookie-decline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4) !important; }

/* ---------- 404 ---------- */
.error-page { text-align: center; padding: 90px 20px; }
.error-page .code { font-size: 5rem; font-weight: 800; color: var(--color-primary); margin: 0; }