/* ═══════════════════════════════════════════════════════════════
   啟思幼稚園 AR / VR 遊戲平台 · 共用設計系統
   設計語言：紙質底色 + 手繪 SVG 貼紙 + wash/mesh/blob 疊層卡片
   配色取自啟思 logo：紅 #E60012 · 黃 #FFF100 · 綠 #009944
   ═══════════════════════════════════════════════════════════════ */

:root{
  --paper:#f7f1e2;
  --paper2:#efe6d2;
  --paper3:#fdfaf2;
  --ink:#17150f;
  --ink-soft:rgba(23,21,15,.78);
  --ink-faint:rgba(23,21,15,.55);

  /* 品牌三原色（大面積用降飽和版，小面積用原色） */
  --red:#e60012;      --red-soft:#d8382c;   --red-deep:#8e1f16;
  --yellow:#fff100;   --yellow-soft:#f2c025; --yellow-deep:#7a5d08;
  --green:#009944;    --green-soft:#149a55;  --green-deep:#0c5b33;
  /* 延伸色，讓 12 張卡不重複 */
  --blue:#3e7bb0;     --blue-deep:#22496d;
  --plum:#6d4e8f;     --plum-deep:#432d5c;
  --teal:#1f7c88;     --teal-deep:#0f4b53;
  --clay:#c4662f;     --clay-deep:#7c3c17;

  --shadow:0 18px 50px rgba(23,21,15,.14), 0 6px 18px rgba(23,21,15,.08);
  --shadow-sm:0 8px 22px rgba(23,21,15,.10);
  --r-xl:30px; --r-lg:24px; --r-md:18px; --r-sm:12px;
  --max:1180px;
}

*{box-sizing:border-box}
html{color-scheme:light; scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans TC","PingFang TC","Hiragino Sans TC","Microsoft JhengHei",
              "Noto Sans SC","PingFang SC",sans-serif;
  font-size:17px; line-height:1.65; color:var(--ink);
  background:
    radial-gradient(1200px 620px at 8% -12%, rgba(230,0,18,.16), transparent 58%),
    radial-gradient(900px 540px at 100% 2%,  rgba(0,153,68,.16),  transparent 60%),
    radial-gradient(1000px 700px at 50% 102%, rgba(242,192,37,.20), transparent 62%),
    linear-gradient(180deg, var(--paper) 0%, #f9f4e8 40%, var(--paper2) 100%);
  min-width:320px;
  -webkit-tap-highlight-color:transparent;
}
a{color:inherit; text-decoration:none}
a:focus-visible,button:focus-visible{outline:3px solid var(--ink); outline-offset:3px; border-radius:8px}
img{max-width:100%; display:block}

.wrap{width:min(calc(100% - 28px), var(--max)); margin-inline:auto}
.skip{position:absolute; left:-9999px}
.skip:focus{left:12px; top:12px; z-index:200; background:var(--ink); color:var(--paper); padding:10px 14px; border-radius:10px}

/* 頂部彩虹進度條 */
.top-progress{
  position:fixed; inset:0 auto auto 0; height:6px; width:100%;
  background:linear-gradient(90deg,var(--red),var(--yellow-soft),var(--green),var(--blue),var(--plum),var(--teal));
  transform-origin:0 50%; transform:scaleX(0); z-index:90;
  box-shadow:0 1px 0 rgba(23,21,15,.12);
}

/* ── logo 牌（logo 是白色版，必須放在深色底才看得見）───────── */
.logo-plaque{
  display:inline-flex; align-items:center; gap:12px;
  background:linear-gradient(150deg,#221f18,#14120d);
  border-radius:18px; padding:11px 18px 11px 14px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14), 0 10px 26px rgba(23,21,15,.22);
}
.logo-plaque img{height:38px; width:auto}
.logo-plaque .lp-text{line-height:1.25}
.logo-plaque .lp-1{font-size:.9rem; font-weight:900; color:#fdf7e6; letter-spacing:.02em}
.logo-plaque .lp-2{font-size:.72rem; font-weight:700; color:rgba(253,247,230,.62); letter-spacing:.14em}

/* ── hero ─────────────────────────────────────────────────────── */
header.hero{position:relative; padding:30px 0 24px}
.hero-shell{
  position:relative; overflow:hidden;
  border-radius:var(--r-xl);
  padding:34px 34px 30px;
  color:#fdf7e6;
  background:
    radial-gradient(700px 420px at 88% -20%, rgba(255,241,0,.28), transparent 62%),
    radial-gradient(600px 400px at 4% 110%, rgba(0,153,68,.34), transparent 64%),
    linear-gradient(148deg,#8e1f16 0%,#6d1a14 46%,#2b1b16 100%);
  box-shadow:var(--shadow);
}
.hero-shell::after{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.14;
  background:
    linear-gradient(90deg, rgba(255,255,255,.30) 1px, transparent 1px) 0 0/26px 26px,
    linear-gradient(rgba(255,255,255,.30) 1px, transparent 1px) 0 0/26px 26px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 86%);
}
.hero-grid{position:relative; z-index:2; display:grid; grid-template-columns:1.4fr .78fr; gap:26px; align-items:center}
.overline{font-size:.78rem; font-weight:900; letter-spacing:.2em; color:rgba(255,241,0,.92); margin-bottom:12px}
.hero h1{margin:0 0 8px; font-size:clamp(1.85rem,5.4vw,2.9rem); line-height:1.14; letter-spacing:-.015em; font-weight:900}
.hero h1 .hero-sub{display:block; font-size:.5em; font-weight:800; color:rgba(253,247,230,.72); letter-spacing:.02em; margin-top:8px}
.hero-desc{margin:0 0 20px; color:rgba(253,247,230,.9); font-size:1.02rem; max-width:56ch}
.hero-actions{display:flex; flex-wrap:wrap; gap:12px}
.hero-link{
  display:inline-flex; align-items:center; gap:9px;
  background:var(--yellow); color:#2a2205;
  font-weight:900; padding:13px 22px; border-radius:999px;
  box-shadow:0 10px 26px rgba(0,0,0,.24); transition:transform .18s, box-shadow .18s;
}
.hero-link .arrow{transition:transform .18s}
.hero-link:hover{transform:translateY(-2px)} .hero-link:hover .arrow{transform:translateX(3px)}
.hero-link.secondary{background:rgba(253,247,230,.14); color:#fdf7e6; box-shadow:inset 0 0 0 1.5px rgba(253,247,230,.4)}
.hero-side{position:relative; min-height:180px; display:flex; flex-direction:column; justify-content:center; gap:16px}
.hero-panel{display:grid; grid-template-columns:repeat(3,1fr); gap:10px; position:relative; z-index:3}
.metric{
  background:rgba(253,247,230,.12); border:1.5px solid rgba(253,247,230,.26);
  border-radius:var(--r-md); padding:12px 8px; text-align:center;
}
.metric strong{display:block; font-size:1.5rem; font-weight:900; line-height:1; color:var(--yellow)}
.metric span{font-size:.72rem; font-weight:700; color:rgba(253,247,230,.76); letter-spacing:.05em}

/* hero 手繪貼紙：一疊圖卡 + 相機掃描框 */
.sticker{position:absolute; pointer-events:none}
.sticker-hero{right:-6px; top:-14px; width:172px; opacity:.9; color:#fdf7e6}

/* ── section ──────────────────────────────────────────────────── */
main{padding-bottom:8px}
.section{margin:38px 0 0}
.section-head{display:flex; flex-wrap:wrap; align-items:flex-end; justify-content:space-between; gap:14px; margin-bottom:18px}
.section-kicker{display:flex; align-items:center; gap:14px}
.section-kicker .num{
  font-size:2.5rem; font-weight:900; line-height:1; letter-spacing:-.04em;
  -webkit-text-stroke:2px currentColor; color:transparent;
}
.section-kicker .title{margin:0; font-size:clamp(1.3rem,3.4vw,1.72rem); font-weight:900; letter-spacing:-.01em}
.section-sub{margin:0; color:var(--ink-faint); font-size:.95rem; font-weight:700}
.stage-strip{
  display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin:0 0 16px;
  padding:12px 16px; border-radius:var(--r-md);
  background:rgba(253,250,242,.72); border:1.5px dashed rgba(23,21,15,.16);
  font-size:.9rem; color:var(--ink-soft);
}
.stage-strip b{color:var(--ink)}
.stage-pill{
  display:inline-flex; align-items:center; gap:6px; padding:5px 12px; border-radius:999px;
  font-size:.8rem; font-weight:900; background:var(--ink); color:var(--paper3);
}

/* ── 卡片 ─────────────────────────────────────────────────────── */
.grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px}
.card{
  position:relative; border-radius:28px; overflow:hidden; min-height:262px;
  box-shadow:var(--shadow); background:var(--paper3);
  border:1px solid rgba(23,21,15,.08); isolation:isolate;
  transition:transform .2s, box-shadow .2s;
}
.card:hover{transform:translateY(-3px); box-shadow:0 26px 60px rgba(23,21,15,.18)}
.card .wash,.card .mesh,.card .blob{position:absolute; inset:0; pointer-events:none}
.card .mesh{
  opacity:.2;
  background:
    linear-gradient(90deg, rgba(255,255,255,.20) 1px, transparent 1px) 0 0/22px 22px,
    linear-gradient(rgba(255,255,255,.20) 1px, transparent 1px) 0 0/22px 22px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 88%);
}
.card .blob::before,.card .blob::after{content:""; position:absolute; border-radius:50%; filter:blur(4px)}
.card .blob::before{width:180px;height:180px;right:-32px;top:-32px;background:radial-gradient(circle,rgba(255,255,255,.5),transparent 62%)}
.card .blob::after{width:200px;height:200px;left:-42px;bottom:-56px;background:radial-gradient(circle,rgba(255,255,255,.24),transparent 68%)}
.card-inner{position:relative; z-index:2; pointer-events:none; padding:22px 22px 20px; height:100%; display:flex; flex-direction:column}
.card-inner a,.card-inner button{pointer-events:auto}
.card-top{display:flex; justify-content:space-between; align-items:flex-start; gap:12px}
.id{
  display:inline-flex; align-items:center; justify-content:center;
  width:56px; height:56px; border-radius:18px;
  font-weight:900; font-size:1.3rem; line-height:1;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3);
}
.badges{display:flex; flex-direction:column; align-items:flex-end; gap:7px}
.badge{
  display:inline-flex; align-items:center; gap:6px; min-height:34px;
  padding:6px 13px; border-radius:999px;
  font-size:.79rem; font-weight:900; letter-spacing:.03em;
  border:1px solid rgba(23,21,15,.1); white-space:nowrap;
}
.badge-live{background:#0c5b33; color:#eafff3; border-color:#0c5b33}
.badge-build{background:rgba(253,250,242,.9); color:var(--ink-soft); border-color:rgba(23,21,15,.22); border-style:dashed}
.badge-tech{background:rgba(23,21,15,.86); color:var(--paper3); border-color:transparent; font-size:.74rem; min-height:28px; padding:4px 11px}
.dot{width:7px; height:7px; border-radius:50%; background:currentColor}
.badge-live .dot{background:#5ff0a5; animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1; transform:scale(1)} 50%{opacity:.45; transform:scale(.7)}}
.card h3{margin:15px 0 7px; font-size:1.22rem; line-height:1.3; font-weight:900; letter-spacing:-.01em}
.card .desc{margin:0 0 12px; color:var(--ink-soft); font-size:.95rem}
.card .device{
  display:inline-flex; align-items:center; gap:7px; font-size:.8rem; font-weight:800;
  color:var(--ink-faint); margin-bottom:10px;
}
.goals{margin:0 0 14px; padding:0; list-style:none; display:flex; flex-direction:column; gap:5px}
.goals li{
  font-size:.85rem; color:var(--ink-soft); padding-left:20px; position:relative; line-height:1.5;
}
.goals li::before{
  content:""; position:absolute; left:4px; top:.55em; width:7px; height:7px; border-radius:2px;
  background:currentColor; opacity:.5; transform:rotate(45deg);
}
.card-foot{margin-top:auto; padding-top:14px; display:flex; align-items:center; justify-content:space-between; gap:10px}
/* 「開啟 →」做成實心藥丸：右下角貼紙就在它底下，純文字疊在貼紙線條上讀不清。
   藥丸同時給出可點擊的視覺提示。 */
.open-hint{
  display:inline-flex; align-items:center; gap:8px; font-weight:900; font-size:.92rem;
  background:var(--paper3); color:var(--ink);
  padding:8px 15px; border-radius:999px;
  box-shadow:0 3px 12px rgba(23,21,15,.12), inset 0 0 0 1px rgba(23,21,15,.08);
  position:relative; z-index:2;
}
.open-hint .arrow{transition:transform .18s}
.card:hover .open-hint{background:var(--ink); color:var(--paper3)}
.card:hover .open-hint .arrow{transform:translateX(4px)}
.url{position:relative; z-index:2}
.soon-hint{font-weight:800; font-size:.88rem; color:var(--ink-faint)}
.rowlink{position:absolute; inset:0; z-index:1; cursor:pointer}
.card.is-build{background:linear-gradient(150deg,#f6f0e0,#eee5d1)}
.card.is-build::after{
  content:""; position:absolute; inset:0; z-index:3; pointer-events:none; opacity:.16;
  background:repeating-linear-gradient(45deg, transparent 0 16px, rgba(23,21,15,.5) 16px 18px);
  mask-image:linear-gradient(200deg, rgba(0,0,0,.9), transparent 62%);
}
.card.is-build .id{background:rgba(23,21,15,.14); color:var(--ink-soft); box-shadow:none}
.card.is-build h3{color:var(--ink-soft)}
/* 貼紙塞進右下角並讓 overflow:hidden 裁掉一部分 —— 像蓋上去的角章。
   放在 14px/14px 時它會橫穿 .card-foot 的文字，看起來像印歪了。 */
.sticker-corner{right:-14px; bottom:-12px; width:112px; opacity:.42}

/* 卡片主題色（wash + id + h3） */
.t-red   .wash{background:linear-gradient(150deg,#ffe3de 0%,#ffd0c8 54%,#f9bfb6 100%)}
.t-red   .id{background:var(--red-soft); color:#fff6f4} .t-red   h3{color:#7a1c14} .t-red   .sticker-corner{color:var(--red-deep)}
.t-green .wash{background:linear-gradient(150deg,#dcf3e4 0%,#c9ebd5 54%,#bbe4ca 100%)}
.t-green .id{background:var(--green-soft); color:#f2fff7} .t-green h3{color:#0e5c34} .t-green .sticker-corner{color:var(--green-deep)}
.t-yellow .wash{background:linear-gradient(150deg,#fdf1c4 0%,#f9e7a6 54%,#f3dd92 100%)}
.t-yellow .id{background:#c99a12; color:#fffbe9} .t-yellow h3{color:#6d5309} .t-yellow .sticker-corner{color:var(--yellow-deep)}
.t-blue  .wash{background:linear-gradient(150deg,#dfeaf6 0%,#cddff1 54%,#bed4ea 100%)}
.t-blue  .id{background:var(--blue); color:#f7fbff} .t-blue  h3{color:#22496d} .t-blue  .sticker-corner{color:var(--blue-deep)}
.t-plum  .wash{background:linear-gradient(150deg,#eee2f6 0%,#e0d0ef 54%,#d5c2e8 100%)}
.t-plum  .id{background:var(--plum); color:#fcf8ff} .t-plum  h3{color:#432d5c} .t-plum  .sticker-corner{color:var(--plum-deep)}
.t-teal  .wash{background:linear-gradient(150deg,#d9f0f2 0%,#c6e7ea 54%,#b6dee2 100%)}
.t-teal  .id{background:var(--teal); color:#f4ffff} .t-teal  h3{color:#0f4b53} .t-teal  .sticker-corner{color:var(--teal-deep)}
.t-clay  .wash{background:linear-gradient(150deg,#fbe6d6 0%,#f6d5bd 54%,#f0c8a9 100%)}
.t-clay  .id{background:var(--clay); color:#fff8f2} .t-clay  h3{color:#7c3c17} .t-clay  .sticker-corner{color:var(--clay-deep)}
/* 主打卡（深色大卡） */
.card.feature{
  grid-column:1/-1; min-height:288px;
  background:linear-gradient(148deg,#8e1f16 0%,#5f1a13 48%,#241a13 100%);
  border-color:transparent;
}
.card.feature .wash{background:radial-gradient(680px 380px at 88% -18%, rgba(255,241,0,.24), transparent 62%)}
.card.feature .mesh{opacity:.13}
.card.feature .id{background:var(--yellow); color:#2a2205}
.card.feature h3{color:#fffdf4; font-size:1.5rem}
.card.feature .desc,.card.feature .goals li{color:rgba(253,247,230,.9)}
.card.feature .device{color:rgba(253,247,230,.66)}
.card.feature .open-hint{background:rgba(253,247,230,.94); color:#2b1b16; box-shadow:0 3px 14px rgba(0,0,0,.28)}
.card.feature:hover .open-hint{background:var(--yellow); color:#2a2205}
.card.feature .badge-tech{background:rgba(253,247,230,.92); color:#2b1b16; border-color:transparent}
.card.feature .sticker-corner{color:#fdf7e6; opacity:.24; width:138px; right:-16px; bottom:-14px}
.card.feature .shine{
  position:absolute; inset:0; pointer-events:none; opacity:.5;
  background:linear-gradient(115deg, transparent 34%, rgba(255,255,255,.16) 48%, transparent 60%);
}

/* ── footer ───────────────────────────────────────────────────── */
footer.foot{margin:44px 0 30px; padding:26px 0 0; border-top:2px dashed rgba(23,21,15,.16)}
.foot-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:22px; align-items:start}
.foot h4{margin:0 0 10px; font-size:1rem; font-weight:900}
.foot p,.foot li{margin:0; color:var(--ink-soft); font-size:.9rem}
.foot ul{margin:0; padding-left:19px; display:flex; flex-direction:column; gap:5px}
.foot-note{margin-top:20px; font-size:.82rem; color:var(--ink-faint); text-align:center}
.safety{
  border-radius:var(--r-lg); padding:18px 20px;
  background:rgba(253,250,242,.8); border:1.5px solid rgba(230,0,18,.22);
}
.safety h4{color:var(--red-deep)}

/* ── RWD ──────────────────────────────────────────────────────── */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-side{min-height:0}
  .sticker-hero{display:none}
  .grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  body{font-size:16px}
  .hero-shell{padding:26px 20px 24px; border-radius:24px}
  .section{margin-top:30px}
  .card{min-height:0; border-radius:24px}
  .card-inner{padding:18px}
  .hero-link{width:100%; justify-content:center}
  .section-kicker .num{font-size:2rem}
  .hero-panel{grid-template-columns:repeat(3,1fr); gap:8px}
  .metric{padding:10px 4px}
  .metric strong{font-size:1.25rem}
  .metric span{font-size:.66rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* 卡片編號位置放圖示時（安全指引四張卡）*/
.id .idico{width:28px; height:28px; display:block}
/* 裝置行的小方塊圖示 */
.card .device span[aria-hidden]{font-size:.9em; opacity:.7}
.soon-hint{position:relative; z-index:2}