/* 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: 0; white-space: nowrap; }
.brand img { border-radius: 9px; box-shadow: 0 0 0 2px var(--wood); }
.brand small { display: block; margin-top: 5px; font: 10px/1 var(--text); letter-spacing: .5px; color: #d9c79d; opacity: .6; }
.nav { display: flex; gap: 22px; margin-left: auto; font: 500 15px/1 var(--text); letter-spacing: .02em; }
.nav a { text-decoration: none; opacity: .85; }
.nav a:hover { opacity: 1; color: var(--gold); }
.nav-codex { display: none; padding: 7px 12px 6px; border: 2px solid var(--gold); background: #ffd24a1a; font: 500 14px/1 var(--text); color: var(--gold); text-decoration: none; white-space: nowrap; }
.feat-link { display: inline-block; margin-top: 18px; padding: 10px 16px 9px; border: 3px solid var(--wood); background: #fff8e4; font: 17px/1 var(--pixel); color: var(--wood); text-decoration: none; box-shadow: 0 4px 0 #6b422666; transition: transform .15s; }
.feat-link:hover { transform: translateY(-2px); }
.status-pill { padding: 6px 12px; border: 2px solid #d9c79d66; font: 500 14px/1 var(--text); color: #d9c79d; white-space: nowrap; }
/* App Store 下載 */
.btn-appstore { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border: 2px solid #d9c79d; border-radius: 10px; background: #000; color: #fff; font: 500 15px/1 var(--text); text-decoration: none; white-space: nowrap; transition: transform .15s; }
.btn-appstore:hover { transform: translateY(-2px); }
.btn-appstore svg { width: 18px; height: 22px; flex: none; }
.btn-appstore.btn-big { padding: 10px 20px 10px 16px; border-color: #fff; box-shadow: 0 5px 0 #0006; }
.btn-appstore.btn-big svg { width: 26px; height: 32px; }
.btn-appstore.btn-big span { font: 22px/1.05 var(--pixel); text-align: left; }
.btn-appstore.btn-big small { display: block; font: 500 12px/1.2 var(--text); opacity: .8; }
.plat-cards a.chip { align-self: flex-start; text-decoration: none; }
/* 好友邀請碼（網址帶 ?i=，official.js 產生） */
.invite-bar { position: sticky; top: var(--topbar-h); z-index: 19; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px 14px; padding: 10px 16px; background: #ffd24a; color: #2a1b12; font: 15px/1.4 var(--text); text-align: center; box-shadow: 0 3px 0 #0003; }
.invite-bar b { font: 18px/1 var(--pixel); letter-spacing: 2px; }
.invite-bar button { flex: none; padding: 6px 14px; border: 2px solid #2a1b12; border-radius: 8px; background: #2a1b12; color: #ffd24a; font: 14px/1 var(--pixel); cursor: pointer; }
/* 標題標誌（public/assets/official/logo-title-v1.webp，不在 git）：中文版用標誌圖；英文版用英文字（標誌是中文字，使用者：英文官網就要英文） */
.title-logo { display: block; width: min(640px, 86vw); height: auto; margin: 0 0 6px -10px; filter: drop-shadow(0 8px 14px #0007); }
html:not([lang="en"]) .title { white-space: normal; text-shadow: none; }
html:not([lang="en"]) .title-txt, html:not([lang="en"]) .hero-card .ribbon-gold { display: none; }
html[lang="en"] .title-logo { display: none; }
/* 語言切換（組建時由 tools/site/i18n-build.mjs 加進頂欄） */
.lang-sw { flex: none; padding: 6px 10px; border: 2px solid #d9c79d66; border-radius: 6px; font: 14px/1 var(--pixel); color: #d9c79d; text-decoration: none; }
.lang-sw:hover { border-color: var(--gold); color: var(--gold); }
/* 英文版：「Little Expedition」比「小小遠征」長很多，標題與頂欄品牌要縮 */
html[lang="en"] .title { white-space: normal; font-size: clamp(44px, 7.5vw, 112px); letter-spacing: .02em; }
html[lang="en"] .brand { font-size: 18px; letter-spacing: 1px; white-space: nowrap; }
@media (max-width: 560px) {
  html[lang="en"] .brand span { font-size: 15px; }
  html[lang="en"] .status-pill { display: none; }
  html[lang="en"] .nav-codex { white-space: nowrap; font-size: 12px; }
}

/* 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; }

/* ---------- 第一屏：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, .hero-card .soon-note { pointer-events: auto; }
.btn-trailer { display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 22px 0 8px; border: 2px solid #fff7; border-radius: 999px; background: #0007; color: #fff; font: 19px/1 var(--pixel); cursor: pointer; backdrop-filter: blur(4px); transition: background .2s, transform .2s; }
.btn-trailer i { position: relative; flex: none; width: 38px; height: 38px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 0 #ffd24a88; animation: ping 1.8s infinite; }
.btn-trailer i::after { content: ''; position: absolute; left: 50%; top: 50%; width: 0; height: 0; border-style: solid; border-width: 7px 0 7px 12px; border-color: transparent transparent transparent #3a2000; transform: translate(-38%, -50%); } /* 三角形的視覺中心偏左，往右挪一點才看起來置中 */
.btn-trailer:hover { background: #000a; transform: translateY(-2px); }
@keyframes ping { 70% { box-shadow: 0 0 0 14px #ffd24a00; } 100% { box-shadow: 0 0 0 0 #ffd24a00; } }
.soon-note { margin: 16px 0 0; }
.soon-note span { display: inline-block; padding: 6px 14px; border: 2px solid #ffd24acc; border-radius: 999px; background: #2a1b12cc; color: var(--gold); font: 15px/1 var(--pixel); letter-spacing: .1em; }
.scroll-hint { position: absolute; left: 50%; bottom: 14px; z-index: 3; transform: translateX(-50%); color: #fffc; text-decoration: none; font: 20px/1 var(--pixel); text-shadow: 0 2px 0 #0008; animation: bob 1.6s ease-in-out infinite; }
@keyframes bob { 50% { transform: translate(-50%, 6px); } }

/* ---------- 第二屏：主視覺＋手機裡的實機影片 ---------- */
.showcase { position: relative; overflow: hidden; color: var(--parchment); background: #1d2a3a; border-top: 6px solid var(--wood-dark); }
.show-bg { position: absolute; inset: -2%; background: url('../brand/approved-v16/landing-wide.webp') center 35%/cover; image-rendering: pixelated; animation: heroPan 24s ease-in-out infinite alternate; }
.show-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, #120c08ee 0%, #120c08b0 38%, #120c0833 70%, #120c0866 100%), linear-gradient(0deg, #120c08cc, transparent 30%); }
@keyframes heroPan { from { transform: scale(1.04) translateX(-1%); } to { transform: scale(1.1) translateX(1%); } }
.show-in { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); align-items: center; gap: clamp(24px, 5vw, 72px); width: var(--wrap); margin: 0 auto; padding: clamp(56px, 9vh, 104px) 0; }
.show-copy h2 { margin: 0 0 16px; text-wrap: balance; font: clamp(30px, 4.4vw, 52px)/1.25 var(--pixel); color: #fff7d6; text-shadow: 4px 4px 0 var(--wood), 8px 8px 0 var(--wood-dark); }
.show-copy p { max-width: 28em; margin: 0 0 26px; font-size: 18px; color: #f6ead0; text-shadow: 0 2px 6px #000a; }
.show-phone { justify-self: center; }
.phone-hero { width: min(300px, 70vw); box-shadow: 0 0 0 2px #6d6a66, 0 0 0 4px #c9c5bf, 0 0 0 5px #8a8680, 0 30px 70px #000b, 0 0 90px #ffd24a2e; }

/* 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; }

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

/* ---------- 四大特色：全幅色帶輪流換色，每段一支會動的實機短片 ---------- */
.features { display: block; padding: 0; background: none; }
.feat { position: relative; padding: clamp(56px, 8vw, 104px) 0; overflow: hidden; }
.feat-in { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: center; gap: clamp(28px, 6vw, 88px); width: var(--wrap); margin: 0 auto; }
.feat-flip .feat-in { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); }
.feat-flip .feat-art { order: 2; }
.feat-art { margin: 0; justify-self: center; }
.feat-copy h3 { margin: 0; font: clamp(56px, 7vw, 92px)/1 var(--pixel); letter-spacing: .06em; }
.feat-head { margin: 12px 0 14px; font: clamp(22px, 2.4vw, 30px)/1.4 var(--pixel); }
.feat-copy p:not(.feat-head) { max-width: 26em; margin: 0; font-size: 18px; }
.band-sky { background: linear-gradient(180deg, #8fd3cf, #4fb1ad); color: #12343a; }
.band-sky h3 { color: #fff; text-shadow: 4px 4px 0 #23707d; } .band-sky .feat-head { color: #0f4a52; }
.band-parchment { background: radial-gradient(circle at 30% 20%, #fbf0d2, var(--parchment) 45%, #e8d29c); color: var(--ink); }
.band-parchment h3 { color: var(--grass-deep); text-shadow: 3px 3px 0 #0002; } .band-parchment .feat-head { color: var(--wood); }
.band-dusk { background: radial-gradient(circle at 70% 40%, #7a2e1e, #2a0f0c 70%); color: #f7e3cc; }
.band-dusk h3 { color: #ffcf5a; text-shadow: 4px 4px 0 #6b1e0e, 0 0 30px #ff7a2a88; } .band-dusk .feat-head { color: #ffb38a; }
.band-grass { background: linear-gradient(180deg, #6fae44, #3f7a2c); color: #f3f8e8; }
.band-grass h3 { color: #fff7d6; text-shadow: 4px 4px 0 #2a5a1c; } .band-grass .feat-head { color: #ffe08a; }
.feat::before { content: ''; position: absolute; inset: auto 0 0; height: 8px; background: repeating-linear-gradient(90deg, #0002 0 16px, transparent 16px 32px); }

/* 手機外框：仿真實手機（鈦金屬邊、黑色螢幕邊框、靈動島、側鍵、玻璃反光） */
.phone { position: relative; width: min(290px, 72vw); padding: 11px; border-radius: 48px; background: #0b0b0d;
  box-shadow: 0 0 0 2px #6d6a66, 0 0 0 4px #c9c5bf, 0 0 0 5px #8a8680, 0 28px 60px #0007, 0 8px 18px #0005; }
.phone::before, .phone::after { content: ''; position: absolute; width: 4px; border-radius: 2px; background: linear-gradient(90deg, #8a8680, #d2cec8 50%, #8a8680); }
.phone::before { left: -8px; top: 22%; height: 11%; box-shadow: 0 60px 0 #a9a59f; } /* 音量鍵 */
.phone::after { right: -8px; top: 30%; height: 16%; } /* 電源鍵 */
.phone .island { position: absolute; z-index: 2; left: 50%; top: 21px; width: 30%; height: 22px; border-radius: 12px; background: #000; transform: translateX(-50%); box-shadow: inset 0 0 0 1px #1a1a1d; }
.phone img, .phone video { position: relative; display: block; width: 100%; aspect-ratio: 9 / 16; height: auto; object-fit: cover; border-radius: 38px; background: #111; }
.phone .glare { position: absolute; z-index: 1; inset: 11px; border-radius: 38px; pointer-events: none; background: linear-gradient(115deg, #ffffff26 0%, #ffffff0a 28%, transparent 42%); }


/* ---------- 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); }

/* ---------- 平台：卡片 ---------- */
.platforms { padding: 80px 0 56px; background: var(--parchment); }
.plat-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; width: var(--wrap); margin: 0 auto; padding: 0; list-style: none; }
.plat-cards li { display: flex; flex-direction: column; gap: 6px; padding: 20px 18px 18px; border: 3px solid var(--wood); border-radius: 14px; background: #fff8e4; box-shadow: 0 5px 0 #6b422655; }
.plat-cards li.on { border-color: var(--grass-deep); box-shadow: 0 5px 0 #3f7a2c66, 0 10px 24px #3f7a2c33; }
.plat-cards b { font: 24px/1.2 var(--pixel); color: var(--wood); }
.plat-cards span { font-size: 15px; line-height: 1.5; color: #5a4636; flex: 1; }
.plat-cards .chip { align-self: flex-start; }
.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; background: var(--parchment); }
.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; }

/* ---------- 結尾：主視覺＋行動按鈕 ---------- */
.finale { position: relative; overflow: hidden; padding: clamp(72px, 10vw, 120px) 20px; text-align: center; color: #fff7d6; }
.finale-bg { position: absolute; inset: 0; background: url('../brand/approved-v16/landing-wide.webp') center 40%/cover; image-rendering: pixelated; filter: blur(2px) brightness(.4) saturate(1.2); transform: scale(1.06); }
.finale > :not(.finale-bg) { position: relative; }
.finale-icon { display: block; margin: 0 auto 18px; border-radius: 30px; box-shadow: 0 0 0 4px #e8c579, 0 16px 40px #000c; image-rendering: pixelated; }
.finale h2 { margin: 0 0 26px; font: clamp(26px, 4vw, 44px)/1.3 var(--pixel); text-shadow: 0 4px 0 #3a1a08, 0 0 24px #000; }
.finale .cta { justify-content: center; }

/* ---------- 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; }

/* ---------- 預告片 ---------- */
.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; }
.trailer-box { width: min(420px, 92vw); padding: 0; border: 0; background: transparent; }
.trailer-box::backdrop { background: #000d; }
.trailer-box video { display: block; width: 100%; aspect-ratio: 9 / 16; max-height: 88vh; border-radius: 18px; background: #000; box-shadow: 0 0 0 4px var(--wood), 0 30px 80px #000; }
.trailer-box .lb-close { top: -14px; right: -14px; border-radius: 50%; z-index: 2; }

/* ---------- 手機 ---------- */
@media (max-width: 860px) {
  .title { font-size: clamp(56px, 17vw, 96px); }
  .nav { display: none; }
  .topbar { justify-content: space-between; gap: 10px; }
  .nav-codex { display: inline-block; margin-left: auto; }
  .hero-card { text-align: center; }
  .show-bg { background-image: url('../brand/approved-v16/landing-tall.webp'); background-position: center 30%; }
  .show-bg::after { background: linear-gradient(180deg, #120c08e6 0%, #120c0880 34%, #120c0826 60%, #120c08cc 100%); }
  .show-in { grid-template-columns: 1fr; text-align: center; }
  .show-copy p { margin: 0 auto 22px; font-size: 16px; }
  .cta { justify-content: center; }
  .tagline { margin-bottom: 12px; }
  .phone-hero { width: min(250px, 64vw); }
  .feat-in, .feat-flip .feat-in { grid-template-columns: 1fr; text-align: center; }
  .feat-flip .feat-art { order: 0; }
  .feat-copy p:not(.feat-head) { margin: 0 auto; }
  .plat-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .title { animation: none; }
  .show-bg, .btn-trailer i, .scroll-hint { animation: none; }
}

/* 手機標題置中時，標誌也置中 */
@media (max-width: 860px) { .title-logo { margin: 0 auto 6px; width: min(520px, 92vw); } }

/* 英文版標題標誌（public/assets/official/logo-title-en-v1.webp，不在 git）；中文版用中文標誌 */
.title-logo-en { display: none; width: min(640px, 86vw); height: auto; margin: 0 0 6px -10px; filter: drop-shadow(0 8px 14px #0007); }
html[lang="en"] .title-logo-en { display: block; }
html[lang="en"] .title { white-space: normal; text-shadow: none; }
html[lang="en"] .title-txt, html[lang="en"] .hero-card .ribbon-gold { display: none; }
@media (max-width: 860px) { .title-logo-en { margin: 0 auto 6px; width: min(520px, 92vw); } }
/* 手機頂欄：只留圖示，不寫遊戲名（字會擠成兩行、破版）；按鈕不換行 */
@media (max-width: 560px) {
  .brand span { display: none; }
  .topbar .nav-codex, .topbar .status-pill, .topbar .lang-sw, .topbar .nav-back { white-space: nowrap; padding: 7px 10px; font-size: 13px; }
}