/* Oyun Dünyası — styles (slate/yellow theme, unique class names) */
:root {
  --bg: #F6F7F9;
  --surface: #FFFFFF;
  --ink: #1B2027;
  --muted: #62707E;
  --primary: #334155;
  --primary-ink: #FFFFFF;
  --accent: #EAB308;
  --line: #E5E9EE;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(27,32,39,.05), 0 10px 26px rgba(27,32,39,.06);
  --font-head: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.72;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 .55em; font-weight: 700; }
h1 { font-size: clamp(1.95rem, 4.6vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.05rem); }
h3 { font-size: 1.18rem; }
p { margin: 0 0 1.1em; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.oy-wrap { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
.oy-narrow { max-width: 720px; }

/* Header */
.oy-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.oy-header .oy-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.oy-logo { font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; color: var(--ink); }
.oy-logo:hover { text-decoration: none; }
.oy-logo .oy-mark { color: var(--primary); border-bottom: 3px solid var(--accent); }
.oy-menu { display: flex; align-items: center; gap: 22px; }
.oy-menu a { color: var(--muted); font-weight: 600; font-size: .92rem; }
.oy-menu a:hover { color: var(--ink); text-decoration: none; }
.oy-menu .oy-cta { background: var(--ink); color: #fff; padding: 9px 18px; border-radius: 6px; font-weight: 600; }
.oy-menu .oy-cta:hover { text-decoration: none; opacity: .9; }

/* Hero */
.oy-hero { padding: 70px 0 50px; text-align: center; }
.oy-kicker { display: inline-flex; align-items: center; gap: 8px; background: #FEF3C7; color: #7A5A06; font-weight: 700; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; padding: 6px 14px; border-radius: 6px; margin-bottom: 20px; }
.oy-hero p.oy-lead { color: var(--muted); font-size: 1.16rem; max-width: 620px; margin: 0 auto 28px; }
.oy-btn { display: inline-block; background: var(--accent); color: var(--ink); font-weight: 700; padding: 14px 32px; border-radius: 6px; font-size: 1.02rem; }
.oy-btn:hover { text-decoration: none; opacity: .9; }

/* Section */
.oy-section { padding: 54px 0; }
.oy-section-soft { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.oy-head { max-width: 620px; margin-bottom: 32px; }
.oy-head.oy-center { margin-left: auto; margin-right: auto; text-align: center; }
.oy-muted { color: var(--muted); }

/* Guide */
.oy-guide p:first-of-type { font-size: 1.08rem; }
.oy-guide h3 { color: var(--ink); margin-top: 1.5em; padding-left: 14px; border-left: 4px solid var(--accent); }
.oy-guide .oy-box {
  margin: 1.4em 0; padding: 16px 18px; background: #F1F4F8; border: 1px solid #DDE3EC;
  border-radius: var(--radius); color: var(--muted); font-size: .98rem;
}

/* Topics list (2 columns, numbered) */
.oy-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; counter-reset: oy; }
.oy-item { position: relative; padding: 18px 18px 18px 60px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.oy-item::before {
  counter-increment: oy; content: counter(oy, decimal-leading-zero);
  position: absolute; left: 18px; top: 18px; font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; color: var(--accent);
}
.oy-item h3 { margin: 0 0 6px; font-size: 1.08rem; }
.oy-item p { color: var(--muted); margin: 0; font-size: .95rem; }

/* Subscribe */
.oy-subscribe { background: var(--ink); color: #DCE2EA; border-radius: var(--radius); padding: 46px 32px; text-align: center; }
.oy-subscribe h2 { color: #fff; }
.oy-subscribe p { color: #A5B2C1; max-width: 520px; margin: 0 auto 24px; }
.oy-subscribe form { display: flex; gap: 10px; max-width: 440px; margin: 0 auto; flex-wrap: wrap; }
.oy-subscribe input[type=email] { flex: 1 1 200px; padding: 13px 16px; border: 1px solid #3A4552; border-radius: 6px; font-size: 1rem; font-family: var(--font-body); background: #fff; color: var(--ink); }
.oy-subscribe button { background: var(--accent); color: var(--ink); border: none; border-radius: 6px; padding: 13px 26px; font-weight: 700; font-size: 1rem; cursor: pointer; font-family: var(--font-body); }
.oy-subscribe button:hover { opacity: .9; }
.oy-subscribe .oy-hint { font-size: .8rem; color: #8290A0; margin: 16px 0 0; }

/* Footer */
.oy-footer { background: #10151B; color: #A5B2C1; padding: 46px 0 30px; margin-top: 56px; }
.oy-footer a { color: #E4EAF0; }
.oy-footer .oy-inner { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; }
.oy-footer .oy-logo { color: #fff; }
.oy-footer .oy-cols { display: flex; flex-direction: column; gap: 10px; font-size: .95rem; }
.oy-footer .oy-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 32px; padding-top: 20px; font-size: .82rem; opacity: .6; }
.oy-footer .oy-disclaimer { font-size: .8rem; opacity: .5; max-width: 520px; margin-top: 14px; }

/* Simple page */
.oy-pagehead { padding: 56px 0 20px; }
.oy-prose { max-width: 720px; }
.oy-prose h2 { margin-top: 1.5em; }
.oy-prose a { text-decoration: underline; }

/* Contact form */
.oy-form { margin-top: 8px; max-width: 520px; }
.oy-form label { display: block; font-weight: 600; margin: 16px 0 6px; font-size: .92rem; }
.oy-form input, .oy-form textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; font-family: var(--font-body); font-size: 1rem; background: var(--surface); color: var(--ink); }
.oy-form input:focus, .oy-form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.oy-form button { margin-top: 18px; background: var(--ink); color: #fff; border: none; border-radius: 6px; padding: 13px 28px; font-weight: 600; font-size: 1rem; cursor: pointer; font-family: var(--font-body); }
.oy-form button:hover { opacity: .9; }

@media (max-width: 700px) {
  .oy-menu a { display: none; }
  .oy-menu a.oy-cta { display: inline-block; }
}