/* Khelo Guru — clean, fast, mobile-first styles (no frameworks, no external assets) */
:root {
  --navy: #0f172a;
  --navy-2: #1e293b;
  --accent: #8b5cf6;
  --accent-dark: #7c3aed;
  --lime: #a3e635;
  --text: #1e293b;
  --muted: #64748b;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 17px;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header / Nav ---------- */
.site-header, header.site-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 0.9rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}
/* Article pages use bare <header>; style them the same */
header:not(.site-header) {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 0.9rem 0;
}
header:not(.site-header) a, .site-header a { color: #fff; }
header:not(.site-header) a:hover, .site-header a:hover { color: var(--lime); text-decoration: none; }
.nav-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.brand {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand .logo-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--lime);
  display: inline-block;
  box-shadow: 0 0 10px var(--lime);
}
nav.main-nav ul, .main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
nav.main-nav a, .main-nav a {
  color: #e2e8f0;
  font-weight: 600;
  font-size: 0.98rem;
}
nav.main-nav a:hover, .main-nav a:hover { color: var(--lime); }

/* ---------- Layout ---------- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
main.container, .container main { padding-top: 2rem; padding-bottom: 2rem; }
article:not(.card) { max-width: 760px; margin: 0 auto; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #312e81 60%, var(--accent-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 4rem 1.25rem 3.5rem;
  border-radius: 0 0 24px 24px;
  margin-bottom: 2.5rem;
}
.hero h1 { font-size: 2.5rem; margin-bottom: 0.75rem; line-height: 1.2; }
.hero h1 .hl { color: var(--lime); }
.hero p { max-width: 640px; margin: 0 auto; color: #e2e8f0; font-size: 1.1rem; }
.hero .cta {
  display: inline-block;
  margin-top: 1.5rem;
  background: var(--lime);
  color: var(--navy);
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
}
.hero .cta:hover { text-decoration: none; filter: brightness(1.05); }

/* ---------- Cards ---------- */
.section-title { font-size: 1.6rem; margin: 0 0 0.4rem; }
.section-sub { color: var(--muted); margin-bottom: 1.5rem; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(15,23,42,.12); }
.card .tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--accent-dark);
  background: #ede9fe;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.7rem;
}
.card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; line-height: 1.35; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--accent-dark); }
.card p { color: var(--muted); font-size: 0.95rem; flex-grow: 1; }
.card .read-more { margin-top: 0.9rem; font-weight: 700; font-size: 0.95rem; }

/* ---------- Article typography ---------- */
article h1 { font-size: 2rem; line-height: 1.25; margin: 0.5rem 0 0.75rem; }
article h2 { font-size: 1.45rem; margin: 2rem 0 0.75rem; padding-top: 0.5rem; border-top: 1px solid var(--border); }
article h2:first-of-type { border-top: none; padding-top: 0; }
article h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
article p, article ul, article ol { margin-bottom: 1rem; }
article ul, article ol { padding-left: 1.5rem; }
article li { margin-bottom: 0.4rem; }
article table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.95rem; }
article th, article td { border: 1px solid var(--border); padding: 0.6rem 0.75rem; text-align: left; }
article th { background: var(--navy); color: #fff; }
article tr:nth-child(even) td { background: #f1f5f9; }
article blockquote {
  border-left: 4px solid var(--accent);
  background: #f5f3ff;
  padding: 0.9rem 1.1rem;
  margin: 1.25rem 0;
  border-radius: 0 8px 8px 0;
}
.byline, .meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}
.author-bio {
  background: #f5f3ff;
  border: 1px solid #ddd6fe;
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin: 2rem 0;
  font-size: 0.95rem;
}
.author-bio strong { display: block; margin-bottom: 0.3rem; color: var(--navy); }
.faq h3 { font-size: 1.05rem; }
.faq p { color: var(--text); }

/* ---------- Static pages ---------- */
.page h1 { font-size: 2rem; margin-bottom: 1rem; }
.page h2 { font-size: 1.35rem; margin: 1.75rem 0 0.6rem; }
.page p, .page ul { margin-bottom: 1rem; }
.page ul { padding-left: 1.5rem; }
.intro-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 2.5rem;
}
.intro-block h2 { margin-top: 0; font-size: 1.4rem; }
.intro-block p:last-child { margin-bottom: 0; }

/* ---------- Contact form ---------- */
.contact-form { max-width: 560px; }
.contact-form label { display: block; font-weight: 600; margin: 1rem 0 0.35rem; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form button {
  margin-top: 1.25rem;
  background: var(--accent-dark);
  color: #fff;
  border: none;
  padding: 0.8rem 2rem;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}
.contact-form button:hover { filter: brightness(1.1); }
.form-note { font-size: 0.9rem; color: var(--muted); margin-top: 0.75rem; }

/* ---------- Footer ---------- */
.site-footer, footer:not(.site-footer) {
  background: var(--navy);
  color: #cbd5e1;
  padding: 2.5rem 0 1.5rem;
  margin-top: 3rem;
}
.site-footer a, footer:not(.site-footer) a { color: #e2e8f0; }
.site-footer a:hover, footer:not(.site-footer) a:hover { color: var(--lime); }
.footer-grid {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}
.footer-grid h4 { color: #fff; margin-bottom: 0.75rem; font-size: 1rem; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 0.45rem; font-size: 0.94rem; }
.footer-bottom {
  max-width: 1080px;
  margin: 2rem auto 0;
  padding: 1rem 1.25rem 0;
  border-top: 1px solid #334155;
  font-size: 0.88rem;
  color: #94a3b8;
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero { padding: 2.75rem 1.25rem 2.5rem; border-radius: 0 0 18px 18px; }
  .hero h1 { font-size: 1.85rem; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  article h1 { font-size: 1.6rem; }
  .nav-wrap { flex-direction: column; align-items: flex-start; }
}

/* ---------- Article pages: bare <header>/<main> container treatment ---------- */
header:not(.site-header) {
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}
header:not(.site-header) .site-name {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff !important;
}
header:not(.site-header) .site-name img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  flex: none;
}
header:not(.site-header) nav {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}
main:not(.container) {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}
main:not(.container) h1 {
  font-size: 2rem;
  line-height: 1.25;
  margin-bottom: 0.5rem;
}
main:not(.container) figure { margin: 1.5rem 0; }
@media (max-width: 480px) {
  main:not(.container) h1 { font-size: 1.55rem; }
}