/* ==========================================================================
   Michael Leung — Games Subsite
   Style aligned with https://www.michaelleung.info/ (dark teal + light blue)
   ========================================================================== */

:root {
  --teal-darkest: #123c3c;
  --teal-dark: #1a4f4f;
  --teal-mid: #2b6f6f;
  --accent: #7dc1d1;
  --accent-soft: #a9d6e1;
  --accent-tint: #eaf5f8;
  --ink: #17262e;
  --ink-soft: #4c636d;
  --line: #dde9ec;
  --paper: #ffffff;
  --cream: #f7f4ee;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(18, 60, 60, 0.10);
  --shadow-hover: 0 18px 44px rgba(18, 60, 60, 0.18);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--teal-mid); text-decoration: none; }
a:hover { color: var(--teal-dark); }

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

/* ---------- Skip link (a11y) ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--teal-darkest);
  padding: .6rem 1rem; border-radius: 0 0 10px 0; z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--teal-darkest); /* solid — no transparency, renders everywhere */
  border-bottom: 1px solid rgba(125, 193, 209, 0.18);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 0; gap: 1rem;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  color: #fff; font-weight: 700; font-size: 1.15rem; letter-spacing: .2px;
}
.brand:hover { color: var(--accent-soft); }
.brand img { height: 36px; width: auto; display: block; }
.brand .brand-name { color: var(--accent); font-weight: 700; }
.brand:hover .brand-name { color: var(--accent-soft); }
.nav-links { display: flex; align-items: center; gap: .4rem; list-style: none; }
.nav-links a {
  color: #dcebee; font-size: .95rem; padding: .45rem .9rem;
  border-radius: 999px; transition: background .2s, color .2s;
}
.nav-links a:hover { background: rgba(125, 193, 209, 0.15); color: #fff; }
.nav-links a.active {
  background: var(--accent); color: var(--teal-darkest); font-weight: 600;
}
.nav-links a.coffee { color: var(--accent-soft); font-weight: 600; }
.nav-toggle {
  display: none; background: none; border: 1px solid rgba(125,193,209,.4);
  color: #fff; border-radius: 10px; padding: .4rem .7rem; font-size: 1.1rem;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1100px 500px at 50% -10%, rgba(125,193,209,.22), transparent 60%),
    linear-gradient(160deg, var(--teal-darkest) 0%, var(--teal-dark) 55%, #22605f 100%);
  text-align: center;
  padding: 5.5rem 0 4.5rem;
}
#hero-particles {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%; /* full-hero coverage, works in all browsers */
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.pill {
  display: inline-block; padding: .4rem 1.1rem; border-radius: 999px;
  background: rgba(125, 193, 209, 0.16);
  border: 1px solid rgba(125, 193, 209, 0.45);
  color: var(--accent-soft); font-size: .9rem; letter-spacing: .4px;
  margin-bottom: 1.4rem;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.15; font-weight: 800; margin-bottom: 1rem;
}
.hero h1 .hl { color: var(--accent); }
.hero p.lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #cfe4e8; max-width: 720px; margin: 0 auto 1rem;
}
.hero p.sub { color: #a9c8cd; max-width: 640px; margin: 0 auto 2.2rem; font-size: .98rem; }
.btn-row { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.7rem; border-radius: 999px;
  font-weight: 700; font-size: 1rem; cursor: pointer;
  transition: transform .15s, box-shadow .2s, background .2s;
  border: none;
}
.btn-primary { background: var(--accent); color: var(--teal-darkest); box-shadow: 0 8px 22px rgba(125,193,209,.35); }
.btn-primary:hover { background: var(--accent-soft); transform: translateY(-2px); color: var(--teal-darkest); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); color: #fff; }
.hero-meta { margin-top: 2rem; color: #9fc3c9; font-size: .9rem; }

.hero-figure {
  position: relative; z-index: 2;
  margin: 3.2rem auto 0; width: min(880px, 92%);
  border-radius: 24px; overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,.35);
  border: 1px solid rgba(125,193,209,.25);
}

/* ---------- Sections ---------- */
.section { padding: 4.5rem 0; }
.section.alt { background: var(--cream); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 3rem; }
.section-label {
  display: inline-block; font-size: .82rem; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--teal-mid);
  background: var(--accent-tint); border: 1px solid var(--line);
  padding: .35rem 1rem; border-radius: 999px; margin-bottom: 1rem;
}
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; margin-bottom: .8rem; }
.section-head p { color: var(--ink-soft); }

/* ---------- Game cards ---------- */
.games-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem;
}
.game-card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .25s;
}
.game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.game-thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--accent-tint); }
.game-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.game-card:hover .game-thumb img { transform: scale(1.04); }
.game-badge {
  position: absolute; top: 14px; left: 14px;
  background: rgba(18,60,60,.85); color: var(--accent-soft);
  font-size: .78rem; font-weight: 700; letter-spacing: .6px;
  padding: .3rem .8rem; border-radius: 999px; text-transform: uppercase;
}
.game-body { padding: 1.6rem 1.7rem 1.8rem; display: flex; flex-direction: column; flex: 1; }
.game-body h3 { font-size: 1.35rem; font-weight: 800; margin-bottom: .5rem; }
.game-body h3 a { color: var(--ink); }
.game-body h3 a:hover { color: var(--teal-mid); }
.game-body p { color: var(--ink-soft); font-size: .96rem; margin-bottom: 1.1rem; }
.tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1.3rem; }
.tag {
  font-size: .78rem; font-weight: 600; color: var(--teal-mid);
  background: var(--accent-tint); border: 1px solid var(--line);
  padding: .25rem .7rem; border-radius: 999px;
}
.game-actions { margin-top: auto; display: flex; gap: .7rem; flex-wrap: wrap; }
.btn-play {
  background: var(--accent); color: var(--teal-darkest);
  padding: .65rem 1.4rem; font-size: .95rem;
}
.btn-play:hover { background: var(--accent-soft); color: var(--teal-darkest); transform: translateY(-2px); }
.btn-learn {
  background: transparent; color: var(--teal-mid);
  border: 1px solid var(--line); padding: .65rem 1.2rem; font-size: .95rem;
}
.btn-learn:hover { background: var(--accent-tint); color: var(--teal-dark); }

/* ---------- Why / SEO copy ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; margin-top: 1rem; }
.why-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem 1.6rem; box-shadow: var(--shadow); text-align: center;
}
.why-icon {
  width: 54px; height: 54px; margin: 0 auto 1rem; border-radius: 16px;
  background: var(--accent-tint); border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 1.5rem;
}
.why-card h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: .5rem; }
.why-card p { color: var(--ink-soft); font-size: .92rem; }

.prose { max-width: 820px; margin: 2.5rem auto 0; color: var(--ink-soft); }
.prose h3 { color: var(--ink); font-size: 1.25rem; margin: 1.6rem 0 .6rem; }
.prose p { margin-bottom: 1rem; }
.prose ul { margin: 0 0 1rem 1.2rem; }
.prose li { margin-bottom: .4rem; }

/* ---------- Sponsor ---------- */
.sponsor {
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(125,193,209,.18), transparent 60%),
    linear-gradient(160deg, var(--teal-darkest), var(--teal-dark));
  color: #fff; text-align: center; border-radius: 26px;
  padding: 3.5rem 2rem; box-shadow: var(--shadow);
}
.sponsor h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; margin-bottom: .8rem; }
.sponsor p { color: #cfe4e8; max-width: 620px; margin: 0 auto 1.8rem; }
.btn-coffee {
  background: #ffdd00; color: #3d2f00;
  padding: .9rem 2rem; font-size: 1.05rem;
}
.btn-coffee:hover { background: #ffe95c; transform: translateY(-2px); color: #3d2f00; }
.sponsor small { display: block; margin-top: 1.2rem; color: #9fc3c9; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--teal-darkest); color: #b9d4d9;
  padding: 3.5rem 0 1.6rem; margin-top: 4.5rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.site-footer p { font-size: .92rem; max-width: 340px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: .55rem; }
.footer-links a { color: #b9d4d9; font-size: .93rem; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(125,193,209,.18);
  padding-top: 1.4rem; text-align: center; font-size: .85rem; color: #8fb3ba;
}
.footer-bottom a { color: var(--accent-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .games-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 100%; right: 4%;
    background: var(--teal-darkest); border: 1px solid rgba(125,193,209,.25);
    border-radius: 14px; padding: .8rem; flex-direction: column; align-items: stretch;
    box-shadow: var(--shadow-hover); min-width: 200px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; text-align: center; }
}