/* Skirmish II — project page styles.
   Dark, clean, medieval-flavored. No external fonts or assets: everything
   is system fonts + the original art in art/. */

:root {
  --bg: #0c110b;
  --bg-2: #121a10;
  --panel: #16200f;
  --panel-edge: #2c3a22;
  --ink: #ece5d1;
  --ink-dim: #b7ad93;
  --gold: #d9a441;
  --gold-bright: #ffcf4d;
  --moss: #8fd18f;
  --iron: #3a4436;
  --maxw: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

a { color: var(--gold-bright); }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(12, 17, 11, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--panel-edge);
}

.site-header .bar {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  margin-right: auto;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: block;
}

.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.22em;
  color: var(--ink);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 15px;
}

.site-nav a {
  color: var(--ink-dim);
  text-decoration: none;
}
.site-nav a:hover { color: var(--ink); }

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid var(--gold);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-gold {
  background: var(--gold);
  color: #221a05;
}
.btn-gold:hover { background: var(--gold-bright); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--iron);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-bright); }

/* The header Play is the site's main action — a filled gold button,
   never a quiet text link. (Explicit colors: .site-nav a would win on
   specificity over .btn-gold alone.) */
.site-nav .nav-play {
  padding: 8px 20px;
  font-size: 15.5px;
  color: #221a05;
  box-shadow: 0 2px 12px rgba(217, 164, 65, 0.35);
}
.site-nav .nav-play:hover {
  color: #221a05;
  background: var(--gold-bright);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--panel-edge);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("art/hero-key-art.jpg") center 30% / cover no-repeat;
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(12, 17, 11, 0.55) 0%,
    rgba(12, 17, 11, 0.45) 45%,
    rgba(12, 17, 11, 0.93) 100%);
  z-index: -1;
}

.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 84px 16px 72px;
  text-align: center;
}

.hero .emblem {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.55);
}

.hero h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(44px, 9vw, 84px);
  letter-spacing: 0.18em;
  margin: 18px 0 6px;
  color: #fff8e6;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.75);
}

.hero .tagline {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-size: clamp(17px, 2.6vw, 22px);
  color: var(--gold-bright);
  margin: 0 0 14px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.hero .pitch {
  max-width: 640px;
  margin: 0 auto;
  font-size: 16.5px;
  color: #f2ecd9;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.85);
}

.hero .chess-line {
  max-width: 640px;
  margin: 16px auto 0;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-size: 15.5px;
  color: #ddd2ab;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.85);
}

/* ---------- sections ---------- */

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 16px 8px;
}

.section h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  letter-spacing: 0.06em;
  margin: 0 0 8px;
  color: #fff8e6;
}

.section .lede {
  color: var(--ink-dim);
  max-width: 720px;
  margin: 0 0 24px;
}

/* ---------- play / game frame ---------- */

.game-frame {
  background: var(--bg-2);
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 18px 14px 12px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

.build-badge {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-bright);
  border: 1px solid var(--gold);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 10px;
  background: rgba(217, 164, 65, 0.08);
}

#hud {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  padding: 8px;
  font-size: 13.5px;
  color: var(--moss);
  text-align: center;
  min-height: 1.4em;
}

#train {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  background: #2a3b2a;
  color: #cfe8cf;
  border: 1px solid #4a6b4a;
  border-radius: 6px;
  padding: 7px 16px;
  margin-bottom: 10px;
  cursor: pointer;
}
#train:hover { background: #385038; }

#view {
  border: 1px solid #444;
  border-radius: 4px;
  cursor: crosshair;
  max-width: 100%;
  height: auto;
  background: #000;
}

.hint {
  font-size: 12.5px;
  color: #8b927f;
  padding: 10px 6px 4px;
  text-align: center;
}
.hint code { color: #c9c2a8; }

/* M2.5: the play section is a showcase — the game itself lives
   fullscreen at play/. The old #hud/#train/#view rules above stay for
   the play page's shared classes history; the landing no longer
   embeds the canvas. */
.showcase-art {
  display: block;
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--panel-edge);
}
/* The showcase leads to the game with a plain text link — the only
   button on the page is the header Play. */
.showcase-link {
  margin: 16px 0 2px;
  text-align: center;
  font-size: 16.5px;
}

/* ---------- feature cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 20px 18px;
}

.card h3 {
  margin: 0 0 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18.5px;
  color: var(--gold-bright);
  letter-spacing: 0.03em;
}

.card p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-dim);
}

/* ---------- roadmap ---------- */

.roadmap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
  margin-bottom: 12px;
}

.step {
  flex: 1 1 150px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 14.5px;
}

.step .m {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 2px;
}

.step .state { font-size: 13px; color: var(--ink-dim); }
.step.done .state { color: var(--moss); }
.step.next {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 1px var(--gold);
}
.step.next .state { color: var(--gold-bright); }

/* ---------- footer ---------- */

.site-footer {
  margin-top: 56px;
  border-top: 1px solid var(--panel-edge);
  background: var(--bg-2);
}

.site-footer .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 16px 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  color: var(--ink-dim);
  font-size: 14px;
}

.site-footer .fineprint { width: 100%; font-size: 12.5px; color: #767d68; }

/* ---------- small screens ---------- */

@media (max-width: 640px) {
  .site-nav a:not(.btn) { display: none; }
  .wordmark { font-size: 19px; }
  .hero-inner { padding: 56px 14px 48px; }
  .section { padding-top: 40px; }
}

/* ---------- ad transparency notice ---------- */

.ad-notice {
  background: linear-gradient(180deg, #2a2110, #211a0c);
  border-bottom: 1px solid var(--gold);
  color: #f0e6c8;
}

.ad-notice .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14.5px;
}

.ad-notice p { margin: 0; }
.ad-notice strong { color: var(--gold-bright); }

.ad-notice button {
  margin-left: auto;
  flex: 0 0 auto;
  background: transparent;
  border: 1px solid var(--iron);
  border-radius: 6px;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1;
  padding: 4px 10px;
  cursor: pointer;
}
.ad-notice button:hover { color: var(--ink); border-color: var(--gold); }

/* ---------- ad slots (max 2, always labeled, never over the game) --- */

.ad-wrap {
  max-width: var(--maxw);
  margin: 26px auto 0;
  padding: 0 16px;
  text-align: center;
}

.ad-label {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #767d68;
  margin-bottom: 6px;
}

.ad-note {
  font-size: 12.5px;
  color: #767d68;
  margin-top: 6px;
}

.ad-slot {
  margin: 0 auto;
  border: 1px dashed var(--iron);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Leaderboard: 728x90 on desktop, collapsing to a 320x50 mobile banner. */
.ad-slot-leaderboard {
  width: 100%;
  max-width: 728px;
  height: 90px;
}
@media (max-width: 760px) {
  .ad-slot-leaderboard { max-width: 320px; height: 50px; }
  .ad-slot-leaderboard .house-text,
  .ad-slot-leaderboard .house-link { display: none; }
}

/* Medium rectangle beside the game. */
.ad-slot-box {
  width: 300px;
  height: 250px;
  max-width: calc(100vw - 48px);
}

.house-ad { padding: 10px 18px; }
.house-ad .house-title {
  margin: 0 0 4px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16.5px;
  color: var(--gold-bright);
}
.house-ad .house-text {
  margin: 0 auto 6px;
  max-width: 520px;
  font-size: 13.5px;
  color: var(--ink-dim);
}
.house-ad .house-link { margin: 0; font-size: 13.5px; }
.house-ad .house-link a { color: var(--moss); text-decoration: none; }
.house-ad .house-link a:hover { text-decoration: underline; }

/* ---------- play section layout (game + side slot) ---------- */

.play-layout {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.play-layout .game-frame { flex: 1 1 auto; min-width: 0; }

.play-side {
  flex: 0 0 auto;
  position: sticky;
  top: 76px;
}

.play-side .ad-wrap {
  margin: 0;
  padding: 0;
}

@media (max-width: 1020px) {
  .play-layout { flex-direction: column; align-items: center; }
  .play-layout .game-frame { width: 100%; }
  .play-side { position: static; }
}