/* 小小遠征官網：以遊戲裡的島嶼為主題（Tiny Swords 的海、草地、木頭、羊皮紙）
   字體：標題用遊戲的 Cubic 11 像素字，內文用系統中文字體 */
@font-face { font-family: 'Cubic11'; src: url('../assets/fonts/Cubic_11.woff2') format('woff2'); font-display: swap; }

:root {
  --sea: #3fa7b5;
  --sea-deep: #23707d;
  --grass: #6fae44;
  --grass-deep: #3f7a2c;
  --parchment: #f3e2b8;
  --wood: #6b4226;
  --wood-dark: #3a2618;
  --ink: #2a1b12;
  --gold: #ffd24a;
  --pixel: 'Cubic11', 'PingFang TC', 'Noto Sans TC', sans-serif;
  --text: 'PingFang TC', 'Noto Sans TC', 'Microsoft JhengHei', system-ui, sans-serif;
  --wrap: min(1120px, calc(100% - 40px));
  --topbar-h: 60px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--parchment); color: var(--ink); font: 17px/1.75 var(--text); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
[hidden] { display: none !important; }

/* 開發中／可遊玩兩種模式（html[data-play] 有網址時顯示遊玩按鈕） */
.play-only { display: none !important; }
html.can-play .play-only { display: inline-flex !important; }
html.can-play .soon-only { display: none !important; }

/* ---------- 頂部 ---------- */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 24px; height: var(--topbar-h); padding: 0 max(20px, calc((100% - 1120px) / 2)); background: var(--wood-dark); color: var(--parchment); box-shadow: 0 3px 0 #0004; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 22px/1 var(--pixel); letter-spacing: 2px; }
.brand img { border-radius: 9px; box-shadow: 0 0 0 2px var(--wood); }
.brand small { display: block; margin-top: 4px; font: 11px/1 var(--text); letter-spacing: 1px; color: #d9c79d; }
.nav { display: flex; gap: 20px; margin-left: auto; font: 15px/1 var(--pixel); }
.nav a { text-decoration: none; opacity: .85; }
.nav a:hover { opacity: 1; color: var(--gold); }
.status-pill { padding: 6px 12px; border: 2px solid #d9c79d66; font: 14px/1 var(--pixel); color: #d9c79d; }

/* 木頭按鈕：Tiny Swords 金色按鈕九宮格 */
.btn-wood { align-items: center; justify-content: center; min-height: 44px; padding: 4px 16px 8px; border: 14px solid transparent; border-image: url('../assets/official/ui/btn_gold.png') 47 45 47 45 fill / 14px stretch; image-rendering: pixelated; font: 17px/1 var(--pixel); color: #3a2000; text-decoration: none; text-shadow: 0 1px 0 #fff6; }
.btn-wood:active { border-image-source: url('../assets/official/ui/btn_gold_p.png'); }
.btn-big { font-size: 22px; padding: 8px 26px 12px; }

/* ---------- 首頁主視覺：即時小戰場（整片畫布）＋標題卡 ---------- */
/* 第一屏整個是戰場：視窗高度扣掉頂部列 */
.hero { position: relative; overflow: hidden; height: calc(100vh - var(--topbar-h)); height: calc(100svh - var(--topbar-h)); min-height: 480px; background: #4f8f3a; color: var(--parchment); }
.battle, .battle-still { position: absolute; inset: 0; width: 100%; height: 100%; }
.battle { z-index: 1; cursor: crosshair; touch-action: manipulation; opacity: 0; transition: opacity .6s; }
html.battle-ready .battle { opacity: 1; }
.battle-still { object-fit: cover; }
/* 上方淡淡壓暗，讓標題在草地上也讀得清楚 */
.hero::after { content: ''; position: absolute; inset: 0 0 auto; z-index: 2; height: 46%; background: linear-gradient(#1a2a14b3, #1a2a1400); pointer-events: none; }
.hero-card { position: relative; z-index: 3; width: var(--wrap); margin: 0 auto; padding-top: clamp(28px, 6vh, 64px); pointer-events: none; }
.hero-card .cta { pointer-events: auto; }
.ribbon { display: inline-block; margin: 0 0 12px; padding: 6px 30px 16px; border-style: solid; border-width: 0 32px; border-image: url('../assets/official/ui/ribbon0.png') 0 97 0 98 fill / 0 32px stretch; image-rendering: pixelated; font: 18px/1 var(--pixel); letter-spacing: 4px; color: #fff; text-shadow: 0 2px 0 #1a3a44; }
.ribbon-gold { border-image-source: url('../assets/official/ui/ribbon2.png'); color: #fff6c8; text-shadow: 0 2px 0 #5a3a00; }

/* 主標：像素字＋階梯狀硬陰影（像遊戲裡的描邊字） */
.title { margin: 0; white-space: nowrap; font: clamp(64px, 9vw, 128px)/1 var(--pixel); letter-spacing: .06em; color: #fff7d6;
  text-shadow: 4px 4px 0 var(--wood), 8px 8px 0 var(--wood-dark), 0 0 40px #0006; animation: rise .7s cubic-bezier(.2, 1.4, .4, 1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(24px) scale(.96); } to { opacity: 1; transform: none; } }
.tagline { margin: 18px 0 18px; font: clamp(22px, 3vw, 30px)/1.3 var(--pixel); letter-spacing: .12em; color: var(--gold); text-shadow: 0 3px 0 var(--wood-dark); }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; }
.soon-note { margin: 0; padding: 8px 14px; background: #2a1b12b3; font: 16px/1.4 var(--pixel); }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* ---------- 三大特色：左右交錯，每段配一個真實遊戲畫面 ---------- */
.features { display: grid; gap: clamp(56px, 8vw, 96px); padding: clamp(64px, 9vw, 112px) 0; background: var(--parchment); }
.feat { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(28px, 5vw, 72px); width: var(--wrap); margin: 0 auto; }
.feat-flip .feat-art { order: 2; }
.feat-art { margin: 0; }
.feat-copy h3 { margin: 0; font: clamp(56px, 7vw, 88px)/1 var(--pixel); color: var(--grass-deep); text-shadow: 3px 3px 0 #0001; }
.feat-head { margin: 10px 0 12px; font: clamp(20px, 2.2vw, 26px)/1.4 var(--pixel); color: var(--wood); }
.feat-copy p:last-child { max-width: 26em; margin: 0; }

/* 手機實機截圖 */
.phone { justify-self: center; width: min(280px, 100%); padding: 12px; border-radius: 34px; background: var(--wood-dark); box-shadow: 0 0 0 4px var(--wood), 10px 12px 0 #0002; transform: rotate(-3deg); }
.phone img { display: block; width: 100%; height: auto; border-radius: 24px; }

/* 英雄隊伍：草地上的一列傳說英雄 */
.parade-wrap { padding: 18px 12px 0; background: linear-gradient(#0000 55%, var(--grass) 55% 88%, var(--grass-deep) 88%); border-bottom: 10px solid #8a5a33; }
.parade { display: block; width: 100%; height: clamp(150px, 16vw, 210px); }

/* ---------- 區塊標題 ---------- */
.section-title { width: var(--wrap); margin: 0 auto 32px; font: clamp(28px, 4vw, 40px)/1.2 var(--pixel); letter-spacing: .08em; color: var(--wood); }
.section-title.on-dark { color: var(--parchment); }

/* ---------- 遊戲畫面：木框展示 ---------- */
.shots { padding: 80px 0; background: var(--wood-dark); }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; width: var(--wrap); margin: 0 auto 18px; }
.tabs button { padding: 10px 18px; border: 2px solid #d9c79d55; background: transparent; color: #d9c79d; font: 17px/1 var(--pixel); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.frame { width: var(--wrap); margin: 0 auto; }
.frame-btn { display: block; width: 100%; padding: 0; border: 22px solid transparent; border-image: url('../assets/official/ui/wood.png') 85 84 103 84 fill / 22px stretch; image-rendering: pixelated; background: none; cursor: zoom-in; }
.frame-btn img { display: block; width: 100%; height: auto; image-rendering: auto; }
.frame figcaption { margin-top: 12px; font: 16px/1.5 var(--pixel); color: #d9c79d; }

/* ---------- 平台 ---------- */
.platforms { padding: 80px 0 64px; }
.plat-list { width: var(--wrap); margin: 0 auto; padding: 0; list-style: none; border-top: 3px solid var(--wood); }
.plat-list li { display: grid; grid-template-columns: 9em 1fr auto; align-items: center; gap: 16px; padding: 16px 4px; border-bottom: 2px dashed #6b422655; }
.plat-list b { font: 22px/1.2 var(--pixel); color: var(--wood); }
.plat-list span { font-size: 16px; color: #5a4636; }
.chip { padding: 4px 10px; border: 2px solid var(--wood); font: 14px/1.2 var(--pixel); font-style: normal; color: var(--wood); white-space: nowrap; }
.chip-test { border-color: var(--grass-deep); background: var(--grass); color: #fff; }
.plat-note { width: var(--wrap); margin: 18px auto 0; font-size: 16px; color: #5a4636; }

/* ---------- 問答 ---------- */
.faq { padding: 16px 0 88px; }
.faq details { width: var(--wrap); margin: 0 auto; border-bottom: 2px dashed #6b422655; }
.faq summary { padding: 16px 4px; font: 19px/1.4 var(--pixel); color: var(--wood); cursor: pointer; }
.faq details p { max-width: 38em; margin: 0 0 18px; padding: 0 4px; }

/* ---------- 頁尾 ---------- */
.footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 22px max(20px, calc((100% - 1120px) / 2)); background: var(--wood-dark); color: #d9c79d; font-size: 14px; }
.legal { display: flex; gap: 16px; }

/* ---------- 放大檢視 ---------- */
#lightbox { max-width: min(1400px, 96vw); padding: 0; border: 0; background: transparent; }
#lightbox::backdrop { background: #000c; }
#lightbox img { display: block; max-width: 100%; max-height: 90vh; }
.lb-close { position: absolute; top: 8px; right: 8px; width: 44px; height: 44px; border: 0; background: var(--wood-dark); color: var(--parchment); font: 28px/1 var(--pixel); cursor: pointer; }

/* ---------- 手機 ---------- */
@media (max-width: 860px) {
  .title { font-size: clamp(56px, 17vw, 96px); }
  .nav { display: none; }
  .topbar { justify-content: space-between; }
  .hero-card { text-align: center; }
  .cta { justify-content: center; }
  .tagline { margin-bottom: 12px; }
  .feat { grid-template-columns: 1fr; text-align: center; }
  .feat-flip .feat-art { order: 0; }
  .feat-copy p:last-child { margin: 0 auto; }
  .plat-list li { grid-template-columns: 1fr auto; }
  .plat-list span { grid-column: 1 / -1; grid-row: 2; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .title { animation: none; }
}