/* Phần dùng chung: menu trên điện thoại, form Đặt lịch, trang tĩnh (Cảm ơn, Chính sách, 404). Màu và chữ theo bộ nhận diện Lenna. */
:root{--blue:#2f6bff;--navy:#173a8a;--ink:#14213d;--mut:#66718a;--line:#d6e4ff;--surface:#f4f7fd;--sky:#e9f0ff;--yellow:#ffc83d;--sun:#fff3a6}
.lb-ov{position:fixed;inset:0;z-index:1000;background:rgba(20,33,61,.55);display:none;align-items:flex-end;justify-content:center;font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink)}
.lb-ov.on{display:flex}
.lb-sheet{background:#fff;width:100%;max-width:560px;max-height:94vh;overflow:auto;border-radius:28px 28px 0 0;padding:22px 20px 28px;box-shadow:0 -10px 40px rgba(23,58,138,.25);animation:lbUp .28s ease}
@keyframes lbUp{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
@media(min-width:900px){.lb-ov{align-items:center}.lb-sheet{border-radius:28px;padding:32px;box-shadow:0 30px 80px rgba(23,58,138,.3)}}
.lb-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.lb-sheet h2{margin:0;font-family:'Baloo 2','Be Vietnam Pro',sans-serif;font-weight:800;font-size:28px;line-height:1.1;color:var(--navy)}
.lb-sub{margin:6px 0 0;font-size:15px;line-height:1.5;color:var(--mut)}
.lb-x{flex:none;width:44px;height:44px;border-radius:50%;border:0;background:var(--sky);color:var(--navy);font-size:22px;line-height:1;cursor:pointer}
.lb-f label{display:block;margin:14px 0 6px;font-size:14px;font-weight:600;color:var(--navy)}
.lb-f label i{color:#e5484d;font-style:normal}
.lb-f input,.lb-f select,.lb-f textarea{width:100%;box-sizing:border-box;font:inherit;font-size:16px;color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:14px;padding:12px 14px;min-height:46px}
.lb-f textarea{min-height:84px;resize:vertical}
.lb-f input:focus,.lb-f select:focus,.lb-f textarea:focus{outline:3px solid rgba(47,107,255,.28);border-color:var(--blue)}
.lb-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lb-step{display:flex;align-items:center;gap:10px}
.lb-step button{flex:none;width:46px;height:46px;border-radius:50%;border:1.5px solid var(--line);background:#fff;color:var(--navy);font-size:24px;line-height:1;cursor:pointer}
.lb-step input{text-align:center;font-weight:700}
.lb-chk{display:flex;gap:10px;align-items:flex-start;margin-top:16px;font-size:14px;line-height:1.5;color:var(--mut)}
.lb-chk input{flex:none;width:22px;height:22px;margin-top:2px;accent-color:var(--blue)}
.lb-chk a{color:var(--blue)}
.lb-btn{box-sizing:border-box;display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:20px;border:0;border-radius:999px;padding:15px 22px;min-height:52px;font:inherit;font-size:17px;font-weight:700;color:var(--navy);background:linear-gradient(180deg,#ffd86b,var(--yellow));box-shadow:0 8px 20px rgba(255,200,61,.45);cursor:pointer}
.lb-btn:disabled{opacity:.6;cursor:wait}
.lb-err{margin-top:14px;padding:12px 14px;border-radius:14px;background:#ffe9ec;color:#a4202a;font-size:14px;line-height:1.5;display:none}
.lb-note{margin-top:12px;padding:12px 14px;border-radius:14px;background:var(--sun);color:var(--navy);font-size:14px;line-height:1.5}
.lb-hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.lb-mini{margin:14px 0 0;font-size:13px;line-height:1.5;color:var(--mut);text-align:center}
/* menu điện thoại */
.lm-ov{position:fixed;inset:0;z-index:999;background:rgba(20,33,61,.5);display:none;justify-content:flex-end;font-family:'Be Vietnam Pro',system-ui,sans-serif}
.lm-ov.on{display:flex}
.lm-panel{width:min(86vw,340px);height:100%;background:#fff;padding:20px 20px 28px;display:flex;flex-direction:column;gap:6px;overflow:auto;animation:lmIn .25s ease;box-shadow:-10px 0 40px rgba(23,58,138,.25)}
@keyframes lmIn{from{transform:translateX(40px);opacity:.4}to{transform:none;opacity:1}}
.lm-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.lm-top img{height:34px;width:auto}
.lm-panel a.lm-l{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-radius:16px;font-size:18px;font-weight:600;color:var(--navy);text-decoration:none;background:var(--surface)}
.lm-panel a.lm-l:active{background:var(--sky)}
.lm-panel a.lm-l.on{background:var(--blue);color:#fff}
.lm-cta{margin-top:10px}
.lm-soc{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.lm-soc a{padding:9px 14px;border-radius:999px;background:var(--sky);color:var(--navy);text-decoration:none;font-size:14px;font-weight:600}
/* trang tĩnh */
.st{min-height:100vh;background:var(--surface);font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);display:flex;flex-direction:column}
.st-head{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1100px;width:100%;margin:0 auto;padding:18px 20px;box-sizing:border-box}
.st-head img{height:36px;width:auto;display:block}
.st-head nav{display:flex;gap:6px;flex-wrap:wrap}
.st-head nav a{padding:8px 12px;border-radius:999px;font-size:14px;font-weight:600;color:var(--navy);text-decoration:none}
.st-head nav a:hover{background:var(--sky)}
.st-main{flex:1;max-width:760px;width:100%;margin:0 auto;padding:12px 20px 48px;box-sizing:border-box}
.st-main h1{margin:0 0 12px;font-family:'Baloo 2','Be Vietnam Pro',sans-serif;font-weight:800;font-size:38px;line-height:1.1;color:var(--navy)}
.st-main h2{margin:28px 0 8px;font-family:'Baloo 2','Be Vietnam Pro',sans-serif;font-weight:700;font-size:23px;color:var(--navy)}
.st-main p,.st-main li{font-size:16px;line-height:1.65}
.st-main ul{padding-left:22px}
.st-card{background:#fff;border-radius:24px;padding:28px 26px;box-shadow:0 10px 24px rgba(23,58,138,.08)}
.st-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:18px;padding:14px 24px;border-radius:999px;font-weight:700;font-size:16px;text-decoration:none;color:#fff;background:var(--blue);box-shadow:0 8px 20px rgba(47,107,255,.32)}
.st-foot{padding:22px 20px 32px;text-align:center;font-size:13px;color:var(--mut)}
.st-chisu{display:block;width:min(240px,60%);height:auto;margin:0 auto 14px}
/* linh vật kéo xoay: gợi ý, con trỏ, chống cuộn dọc bị chặn khi kéo ngang */
[role="img"]:has(> .chi),.chi[role="img"],[data-spin]{touch-action:pan-y;cursor:grab;-webkit-user-select:none;user-select:none}
[role="img"]:has(> .chi){perspective:1000px}
[role="img"]:has(> .chi):active,.chi[role="img"]:active,[data-spin]:active{cursor:grabbing}
[role="img"]:has(> .chi):has(> .plate)::after{content:"↔ Kéo thử Chisu nè";position:absolute;left:50%;bottom:-8px;transform:translateX(-50%);z-index:6;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.82);color:#173a8a;font:700 12px/1.2 'Be Vietnam Pro',system-ui,sans-serif;white-space:nowrap;box-shadow:0 6px 16px rgba(23,58,138,.16);pointer-events:none;transition:opacity .4s}
html[data-spun] [role="img"]:has(> .chi):has(> .plate)::after{opacity:0}
/* chuyển động nhỏ khi cuộn tới */
.rv{opacity:0;translate:0 26px;transition:opacity .7s ease,translate .7s cubic-bezier(.2,.7,.2,1)}
.rv.rv-in{opacity:1;translate:0 0}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;translate:none;transition:none}}
/* tiện ích dùng trong các bản vá giao diện */
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mon{transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.mon-rail{filter:drop-shadow(0 12px 14px rgba(23,58,138,.18))}
@media(hover:hover){.mon:hover{transform:translateY(-14px) scale(1.06);z-index:5}}
.mon:active{transform:translateY(-6px) scale(1.03)}
/* khung xem video hướng dẫn trong thẻ game */
.vid-open{position:absolute;inset:0;z-index:4;display:block;width:100%;height:100%;padding:0;border:0;background:transparent;cursor:pointer;border-radius:inherit}
.vid-open:focus-visible{outline:3px solid #fff;outline-offset:-6px}
.vid-frame{position:absolute;inset:0;z-index:5;width:100%;height:100%;border:0;background:#0d1530}
.vid-alt{display:inline-block;margin-top:8px;font-size:13px;font-weight:700;color:#5b3fc4}
/* thanh menu ghim */
.sb{position:fixed;top:0;left:0;right:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 18px;border-radius:0 0 28px 28px;box-shadow:0 12px 30px rgba(23,58,138,.2);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transform:translateY(-115%);transition:transform .35s cubic-bezier(.2,.8,.2,1);font-family:'Be Vietnam Pro',system-ui,sans-serif}
.sb.on{transform:none}
.sb-logo img{display:block;width:92px;height:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.12))}
.sb-tag{margin-left:auto;color:#fff;font-weight:700;font-size:12px;line-height:1.25;text-align:right;text-shadow:0 1px 4px rgba(0,0,0,.12)}
.sb-menu{flex:none;width:40px;height:40px;border-radius:50%;padding:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}
.sb-menu i{display:block;width:16px;height:2px;border-radius:2px;background:#fff}
@media(min-width:900px){.sb{padding:10px max(24px,calc((100vw - 1240px)/2 + 40px))}.sb-logo img{width:112px}
.sb-nav{display:flex;gap:26px;flex-wrap:nowrap;font-weight:600;font-size:15px;padding:10px 26px;border-radius:999px}
.sb-cta{height:44px;padding:0 24px;border-radius:999px;background:#fff;color:#173a8a;font-weight:700;font-size:15px;display:flex;align-items:center;text-decoration:none;box-shadow:0 8px 20px rgba(23,58,138,.16)}}
/* nút phóng to video */
.vid-fs{position:absolute;left:10px;top:10px;z-index:7;width:38px;height:38px;padding:0;border-radius:50%;border:1px solid rgba(255,255,255,.6);background:rgba(23,58,138,.55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;cursor:pointer}
.vid-fs:hover{background:rgba(23,58,138,.8)}
/* form đặt lịch: ô ngày và giờ không đè nhau trên iPhone (ô ngày có bề rộng riêng khá lớn) */
.lb-row{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
@media (max-width:340px){.lb-row{grid-template-columns:minmax(0,1fr)}}
.lb-row>div{min-width:0}
.lb-f input[type=date]{-webkit-appearance:none;appearance:none;display:block;min-width:0;max-width:100%;min-height:46px;line-height:1.2;text-align:left}
.lb-f input[type=date]::-webkit-date-and-time-value{text-align:left}
/* màn hình chờ: nền trắng, logo xanh hiện lên rồi nhún lên xuống */
#lenna-loader{position:fixed;inset:0;z-index:2000;display:flex;align-items:center;justify-content:center;background:#fff;opacity:1;visibility:visible;transition:opacity .45s ease,visibility .45s;animation:ldFail .01s 5s forwards}
#lenna-loader.out{opacity:0;visibility:hidden;pointer-events:none}
#lenna-loader.in{transition:opacity .28s ease;opacity:1;visibility:visible;pointer-events:auto}
@keyframes ldFail{to{opacity:0;visibility:hidden;pointer-events:none}}
.ld-logo{width:min(62vw,360px);animation:ldPop .7s cubic-bezier(.2,.9,.3,1.15) both,ldBob 1.1s ease-in-out .7s infinite}
.ld-logo img{display:block;width:100%;height:auto}
@keyframes ldPop{from{opacity:0;transform:scale(.8) translateY(14px)}to{opacity:1;transform:none}}
@keyframes ldBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
@media(prefers-reduced-motion:reduce){#lenna-loader{display:none}}
/* 5 ô văn hóa 5C: nổi lên khi rê chuột (dùng translate/scale riêng để giữ góc nghiêng của từng ô) */
.gt-card{transition:transform .25s ease,box-shadow .3s ease,translate .3s cubic-bezier(.2,.8,.2,1),scale .3s cubic-bezier(.2,.8,.2,1)!important}
@media(hover:hover){.gt-card:hover{translate:0 -16px;scale:1.06;z-index:6;box-shadow:0 34px 56px rgba(5,20,60,.42),0 0 0 3px rgba(255,255,255,.55),inset 0 1px 0 rgba(255,255,255,.9)!important}}
.gt-card:active{scale:1.02}
/* khung video Drive: dựng ở cỡ chuẩn 360x640 rồi thu vào khung (player Drive bị cắt khi khung quá nhỏ) */
.vid-frame{position:absolute;left:0;top:0;width:360px;height:640px;transform-origin:0 0}
/* trang chủ: dưới 1180px cho 3 cột rớt dòng như cũ */
@media(max-width:1179px){.hero-row{flex-wrap:wrap!important}.hero-row>*{max-width:none!important;flex:1 1 280px!important}}