:root{
  --o1:#FF884D;--o2:#FFAA80;--o3:#FFCCB2;--o4:#FFEEE5;
  --y1:#FFB54D;--y2:#FFCA80;--y3:#FFDFB2;--y4:#FFF4E5;
  --deep:#C84300;--deep2:#E0561B;
  --ink:#3B2417;--ink-soft:#7A5A47;--line:#F3DCCB;--card:#FFFFFF;--bg:#FFFBF6;
  --r:16px;
  --shadow:0 12px 32px -16px rgba(200,67,0,.22);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:16px;-webkit-text-size-adjust:100%;
  background-image:radial-gradient(900px 420px at 100% -80px,rgba(255,170,128,.28),transparent 70%),radial-gradient(700px 360px at -10% 100%,rgba(255,202,128,.22),transparent 70%);
  background-attachment:fixed}
h1,h2,h3{font-family:'Inter',system-ui,sans-serif;font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--ink)}
a{color:inherit}
.wrap{width:min(1040px,100% - 32px);margin-inline:auto}
section{padding:72px 0}
.eyebrow{display:inline-block;color:var(--deep);font-weight:600;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
.eyebrow::before{content:"";display:inline-block;width:18px;height:1.5px;background:var(--o1);vertical-align:middle;margin-right:10px}
h2{font-size:clamp(1.6rem,4vw,2.2rem);margin-bottom:10px}
.lead{color:var(--ink-soft);max-width:62ch;margin-bottom:30px}

/* top bar */
header.top{position:sticky;top:0;z-index:10;background:rgba(255,251,246,.82);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}
.logo{font-weight:700;font-size:1.05rem;text-decoration:none;letter-spacing:-.01em}
.logo span{color:var(--o1)}
nav{display:flex;gap:2px;align-items:center}
nav a{text-decoration:none;font-weight:500;font-size:.9rem;padding:8px 12px;border-radius:99px;color:var(--ink-soft)}
nav a:hover{background:var(--o4);color:var(--ink)}
nav .cta{background:linear-gradient(135deg,var(--deep2),var(--deep));color:#fff;font-weight:600;margin-left:6px}
nav .cta:hover{color:#fff;filter:brightness(1.06)}


/* hero */
.hero{padding:64px 0 80px;overflow:hidden}
.hero .wrap{display:grid;gap:32px;align-items:center;grid-template-columns:1.2fr .8fr}
@media(max-width:800px){.hero .wrap{grid-template-columns:1fr;text-align:center}.hero .mascot{order:-1;max-width:190px;margin-inline:auto}.hero .btns,.hero .chips{justify-content:center}.hero p.sub{margin-inline:auto}}
.hero h1{font-size:clamp(2.2rem,6vw,3.6rem);font-weight:700;margin-bottom:12px}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--o1),var(--deep));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .role{font-weight:600;color:var(--ink);margin-bottom:12px}
.hero p.sub{color:var(--ink-soft);max-width:50ch;margin-bottom:26px}
.btns{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;font:inherit;font-weight:600;font-size:.95rem;padding:11px 22px;border-radius:99px;border:1px solid transparent;background:linear-gradient(135deg,var(--deep2),var(--deep));color:#fff;box-shadow:0 8px 20px -10px rgba(200,67,0,.55);transition:transform .15s,box-shadow .15s,filter .15s;cursor:pointer;min-height:44px;line-height:1.5}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn.alt{background:var(--card);color:var(--ink);border-color:var(--o3);box-shadow:none}
.btn.alt:hover{background:var(--o4)}
.btn:disabled{opacity:.6;cursor:wait}
/* mascot: mặt trời ngủ trên mây, chạm để đánh thức */
button.mascot{background:none;border:0;padding:0;color:inherit;font:inherit;cursor:pointer;display:block;width:100%;max-width:260px;margin-inline:auto;text-align:center;-webkit-tap-highlight-color:transparent}
button.mascot:focus-visible{outline:2px solid var(--o1);outline-offset:8px;border-radius:24px}
.mascot svg{width:100%;height:auto;display:block;overflow:visible;filter:drop-shadow(0 14px 22px rgba(255,170,80,.22))}
.mascot .hint{display:block;margin-top:2px;font-size:.8rem;font-weight:500;color:var(--ink-soft);min-height:1.4em}
.mascot .cloud{animation:cloudfloat 7s ease-in-out infinite}
.mascot .sun-move{transform-box:fill-box;transform-origin:50% 62%;transition:transform .7s cubic-bezier(.34,1.56,.64,1);animation:breathe 4.5s ease-in-out infinite}
.mascot.awake .sun-move{transform:translateY(-14px) rotate(-3deg) scale(1.05);animation:none}
.mascot .halo{transform-box:fill-box;transform-origin:center;transition:transform .8s ease}
.mascot.awake .halo{transform:scale(1.07) rotate(18deg)}
.mascot .eye-closed,.mascot .mouth-sleep{transition:opacity .2s}
.mascot .eye-open,.mascot .mouth-awake{opacity:0;transition:opacity .25s}
.mascot.awake .eye-closed,.mascot.awake .mouth-sleep{opacity:0}
.mascot.awake .eye-open,.mascot.awake .mouth-awake{opacity:1}
.mascot.awake .eye-open{transform-box:fill-box;transform-origin:center;animation:blink 4.4s ease-in-out 1s infinite}
.mascot .blush{opacity:.5;transition:opacity .4s}
.mascot.awake .blush{opacity:.95}
.mascot .zs{transition:opacity .35s}
.mascot .zs text{animation:zfloat 3.2s ease-in-out infinite}
.mascot .zs .z2{animation-delay:.7s}.mascot .zs .z3{animation-delay:1.4s}
.mascot.awake .zs{opacity:0}
.mascot .spark{opacity:0;transform-box:fill-box;transform-origin:center;transition:opacity .4s}
.mascot.awake .spark{opacity:1;animation:twinkle 1.8s ease-in-out infinite}
.mascot.awake .spark.s2{animation-delay:.5s}.mascot.awake .spark.s3{animation-delay:1s}
.mascot .face{transform:translate(calc(var(--fx,0)*1px),calc(var(--fy,0)*1px))}
.mascot .look{transform:translate(calc(var(--lx,0)*1px),calc(var(--ly,0)*1px))}
@keyframes breathe{50%{transform:scale(1.03)}}
@keyframes cloudfloat{50%{transform:translateY(5px)}}
@keyframes zfloat{0%{opacity:.15;transform:translateY(6px)}50%{opacity:1}100%{opacity:.15;transform:translateY(-8px)}}
@keyframes blink{0%,92%,100%{transform:scaleY(1)}96%{transform:scaleY(.1)}}
@keyframes twinkle{50%{transform:scale(1.35);opacity:.6}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto}.mascot *{transition:none!important}}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.chip{background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:99px;padding:3px 12px;font-weight:500;font-size:.82rem;color:var(--ink-soft)}

/* about */
.about-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.stat{background:var(--y4);border:1px solid var(--y3);border-radius:12px;padding:16px;text-align:left}
.stat b{display:block;font-weight:700;font-size:1.7rem;letter-spacing:-.02em;color:var(--deep);line-height:1.1}
.stat span{font-size:.82rem;color:var(--ink-soft);font-weight:500}
@media(max-width:480px){.stats{grid-template-columns:1fr}}

/* skills + cards */
.band{background:linear-gradient(180deg,var(--y4),rgba(255,244,229,.4))}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .ic{font-size:0;width:28px;height:3px;background:linear-gradient(90deg,var(--o1),var(--y1));border-radius:2px;margin-bottom:14px}
.card h3{font-size:1.08rem;margin:0 0 6px}
.card p{font-size:.93rem;color:var(--ink-soft)}
.card.ai{background:linear-gradient(180deg,#fff,var(--y4))}
.tag{display:inline-block;font-size:.7rem;font-weight:600;letter-spacing:.02em;background:var(--o4);color:#B3420A;border:1px solid var(--o3);padding:1px 10px;border-radius:99px;margin:0 6px 10px 0}
.tag.t2{background:var(--y4);color:#8A5300;border-color:var(--y3)}
.tag.t3{background:#FFF0EA;color:#A8361A;border-color:#FFD2C4}
h3.sub{font-size:1.15rem;margin:38px 0 14px}

/* timeline */
.tl{list-style:none;border-left:1px solid var(--o3);margin-left:6px;padding-left:26px}
.tl>li{position:relative;margin-bottom:30px}
.tl>li::before{content:"";position:absolute;left:-32px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--card);border:2px solid var(--o1)}
.tl ul li{margin-bottom:4px}
.tl .when{font-weight:600;color:var(--deep);font-size:.82rem;letter-spacing:.04em}
.tl h3{font-size:1.15rem}
.tl .where{font-weight:500;color:var(--ink-soft);margin-bottom:6px}
.tl ul{padding-left:18px;color:var(--ink-soft);font-size:.94rem}
.tl .win{display:inline-block;margin-top:8px;background:var(--y4);border:1px solid var(--y3);border-radius:10px;padding:2px 12px;font-weight:600;font-size:.84rem;color:#8A5300}

/* projects */
.proj{display:flex;flex-direction:column}
.proj .res{margin-top:auto;padding-top:12px;font-weight:600;font-size:.86rem;color:var(--deep)}

/* booking */
.book-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.book-card h3{font-size:1.08rem;margin:2px 0 12px}
.days,.times{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.pill{font:inherit;font-weight:500;font-size:.9rem;cursor:pointer;border:1px solid var(--o3);background:var(--card);color:var(--ink);border-radius:99px;padding:8px 16px;min-height:42px;transition:background .15s,border-color .15s}
.pill:hover{background:var(--o4)}
.pill[aria-pressed=true]{background:linear-gradient(135deg,var(--deep2),var(--deep));color:#fff;border-color:transparent}
#bk-form{margin-top:20px;display:grid;gap:12px}
#bk-form label{display:grid;gap:5px;font-weight:600;font-size:.88rem}
#bk-form input{font:inherit;padding:11px 14px;border:1px solid var(--o3);border-radius:12px;background:#fff;color:var(--ink);min-height:46px}
#bk-form input:focus{outline:2px solid var(--o2);outline-offset:1px;border-color:var(--o1)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.chosen{background:var(--y4);border:1px solid var(--y3);border-radius:12px;padding:8px 14px;font-weight:600;font-size:.92rem}
.err{color:#B3261E;font-weight:600;min-height:1.2em;font-size:.9rem}
.pay{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:center}
.pay img{width:100%;max-width:260px;height:auto;border:1px solid var(--line);border-radius:14px;background:#fff;padding:8px}
.pay-info p{margin-bottom:6px}
.hold{color:var(--deep);font-weight:600}
.state{background:var(--y4);border:1px solid var(--y3);border-radius:12px;padding:8px 14px;font-weight:600;font-size:.92rem}
.state.ok{background:#EAF7E4;border-color:#BFE3B2}
.state.bad{background:#FFEDEA;border-color:#FFCFC6}
.note{margin-top:14px;color:var(--ink-soft);font-size:.88rem}
@media(max-width:620px){.pay{grid-template-columns:1fr;justify-items:center;text-align:center}}

/* chat */
.chat-fab{position:fixed;right:16px;bottom:16px;z-index:20;font:inherit;font-weight:600;font-size:.92rem;cursor:pointer;background:linear-gradient(135deg,var(--deep2),var(--deep));color:#fff;border:0;border-radius:99px;padding:12px 20px;box-shadow:0 12px 28px -12px rgba(200,67,0,.6);min-height:46px}
.chat-panel{position:fixed;right:16px;bottom:16px;z-index:30;width:min(380px,100% - 32px);max-height:min(560px,100dvh - 32px);display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px -24px rgba(200,67,0,.35);overflow:hidden}
.chat-panel[hidden]{display:none}
.chat-head{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,var(--o1),var(--deep));color:#fff;padding:12px 16px;font-weight:600;font-size:.95rem}
.chat-head button{font:inherit;font-size:1.3rem;background:none;border:0;cursor:pointer;color:#fff;min-width:40px;min-height:40px}
.chat-log{padding:14px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;flex:1;min-height:180px}
.msg{padding:9px 13px;border-radius:14px;max-width:88%;white-space:pre-wrap;word-wrap:break-word;font-size:.92rem;line-height:1.55}
.msg.bot{background:var(--y4);border:1px solid var(--y3);align-self:flex-start}
.msg.me{background:var(--o4);border:1px solid var(--o3);align-self:flex-end}
.msg a{color:var(--deep);font-weight:600}
.chat-btn{display:inline-block;margin-top:6px;background:linear-gradient(135deg,var(--deep2),var(--deep));color:#fff!important;border-radius:99px;padding:4px 14px;text-decoration:none;font-size:.85rem}
.chat-sug{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px}
.chat-sug button{font:inherit;font-size:.8rem;font-weight:500;cursor:pointer;background:var(--card);color:var(--ink);border:1px solid var(--o3);border-radius:99px;padding:5px 12px}
.chat-sug button:hover{background:var(--o4)}
.chat-form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}
.chat-form input{flex:1;min-width:0;font:inherit;padding:10px 12px;border:1px solid var(--o3);border-radius:12px;color:var(--ink);background:#fff}
.chat-form button{font:inherit;font-weight:600;cursor:pointer;background:linear-gradient(135deg,var(--deep2),var(--deep));color:#fff;border:0;border-radius:12px;padding:0 16px}
.chat-note{font-size:.72rem;color:var(--ink-soft);text-align:center;padding:0 10px 10px}

/* contact + footer */
.contact{text-align:center;background:linear-gradient(135deg,#FFE9DA,var(--y3));border-top:1px solid var(--line)}
.contact h2{color:var(--ink)}
.contact p{max-width:46ch;margin:0 auto 24px;color:var(--ink-soft)}
.contact .btn.plain{background:var(--card);color:var(--ink);border-color:var(--o3);box-shadow:none}
.contact .btn{background:var(--card);color:var(--ink);border-color:var(--o3);box-shadow:none}
.contact .btn:first-child{background:linear-gradient(135deg,var(--deep2),var(--deep));color:#fff;border-color:transparent}
footer{padding:26px 0;text-align:center;font-size:.82rem;color:var(--ink-soft)}
/* ===== hero: liên lạc + số liệu ===== */
.contact-links{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.contact-links a{display:inline-block;text-decoration:none;font-size:.86rem;font-weight:500;padding:6px 14px;border-radius:99px;border:1px solid var(--o3);background:rgba(255,255,255,.75);color:var(--ink)}
.contact-links a:hover{background:var(--o4);border-color:var(--o2)}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px;max-width:520px}
.kpis dt{font-weight:700;font-size:1.5rem;letter-spacing:-.02em;color:var(--deep);line-height:1.15}
.kpis dd{font-size:.78rem;color:var(--ink-soft);line-height:1.4}
@media(max-width:800px){.contact-links{justify-content:center}.kpis{margin-inline:auto;text-align:center}}

/* ===== Bình giúp được gì ===== */
.svc-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.svc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column}
.svc .num{font-weight:600;font-size:.78rem;letter-spacing:.12em;color:var(--o1);margin-bottom:10px}
.svc h3{font-size:1.15rem;margin-bottom:6px}
.svc>p{font-size:.92rem;color:var(--ink-soft);margin-bottom:12px}
.svc ul{list-style:none;display:grid;gap:7px}
.svc-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
.svc{grid-column:span 2}
.svc:nth-child(n+4){grid-column:span 3}
@media(max-width:900px){.svc,.svc:nth-child(n+4){grid-column:1/-1}}
.svc li{position:relative;padding-left:16px;font-size:.9rem}
.svc li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:1.5px;background:var(--o1)}
.custom-note{margin-top:16px;display:grid;grid-template-columns:1fr auto;gap:6px 24px;align-items:center;padding:22px 26px;border:1px dashed var(--o2);border-radius:var(--r);background:rgba(255,255,255,.6)}
.custom-note h3{font-size:1.05rem;grid-column:1}
.custom-note p{grid-column:1;color:var(--ink-soft);font-size:.92rem;max-width:62ch}
.custom-note .btn{grid-column:2;grid-row:1/3;align-self:center}
@media(max-width:700px){.custom-note{grid-template-columns:1fr}.custom-note .btn{grid-column:1;grid-row:auto;justify-self:start;margin-top:8px}}
.svc.ai,.svc.ai:nth-child(n+4){grid-column:1/-1;background:linear-gradient(135deg,#FFF4E5,#FFE9DA);border-color:var(--o3)}
.svc.ai .num{color:var(--deep)}
.svc.ai ul{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:7px 24px}
.tools{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.tools span{font-size:.74rem;font-weight:600;padding:2px 10px;border-radius:99px;background:rgba(255,255,255,.85);border:1px solid var(--o3);color:#8A4A1F}

/* ===== sản phẩm (thẻ bấm được) ===== */
.pk-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
button.pk{font:inherit;color:inherit;text-align:left;cursor:pointer;display:flex;flex-direction:column;width:100%}
button.pk h3{font-size:1.05rem;margin:2px 0 6px}
button.pk p{font-size:.9rem}
button.pk .more{margin-top:auto;padding-top:12px;font-weight:600;font-size:.84rem;color:var(--deep)}
button.pk .more::after{content:" →"}
button.pk:hover{border-color:var(--o2)}
button.pk:focus-visible{outline:2px solid var(--o1);outline-offset:2px}
dialog#pk-dialog{border:0;padding:0;background:transparent;max-width:min(640px,100% - 24px);width:100%;margin:auto;color:var(--ink)}
dialog#pk-dialog::backdrop{background:rgba(59,36,23,.45);backdrop-filter:blur(3px)}
.pk-box{position:relative;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px 26px 24px;max-height:min(86vh,760px);overflow-y:auto;box-shadow:0 30px 80px -30px rgba(200,67,0,.45)}
.pk-x{position:absolute;right:12px;top:10px;font:inherit;font-size:1.6rem;line-height:1;background:none;border:0;cursor:pointer;color:var(--ink-soft);min-width:44px;min-height:44px}
.pk-tags{margin-bottom:6px;padding-right:40px}
.pk-box h3{font-size:1.4rem;margin-bottom:6px;padding-right:36px}
.pk-tagline{color:var(--ink-soft);margin-bottom:16px}
.pk-sec{margin-bottom:16px}
.pk-sec h4{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--deep);font-weight:600;margin-bottom:6px}
.pk-sec ul{list-style:none;display:grid;gap:7px}
.pk-sec li{position:relative;padding-left:16px;font-size:.94rem}
.pk-sec li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:1.5px;background:var(--o1)}
.pk-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}

/* ===== quy trình ===== */
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;left:5%;right:5%;top:19px;height:1px;background:var(--o3)}
.steps li{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:56px 16px 18px}
.step-n{position:absolute;left:16px;top:-19px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:.95rem;color:#fff;background:linear-gradient(135deg,var(--deep2),var(--deep));border:4px solid var(--bg)}
.step-when{position:absolute;right:14px;top:12px;font-size:.7rem;font-weight:600;letter-spacing:.04em;color:var(--ink-soft)}
.steps h3{font-size:1.05rem;margin-bottom:6px}
.steps li p{font-size:.86rem;color:var(--ink-soft);margin-bottom:8px}
.steps .out{margin:0;padding-top:8px;border-top:1px dashed var(--o3);color:var(--ink)}
.steps .out b{color:var(--deep);font-weight:600}
.promise{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;justify-content:center}
.promise li{font-size:.86rem;font-weight:500;padding:7px 16px;border-radius:99px;background:var(--y4);border:1px solid var(--y3);color:#7A4A00}
@media(max-width:1020px){.steps{grid-template-columns:1fr;gap:12px}.steps::before{left:19px;right:auto;top:20px;bottom:20px;width:1px;height:auto}.steps li{padding:16px 16px 16px 64px}.step-n{left:0;top:14px;margin-top:0;border:4px solid var(--bg)}.step-when{position:static;display:block;margin-bottom:2px}}

/* ===== liên hệ ===== */
.contact .btns .btn:not(:first-child){background:var(--card);color:var(--ink);border-color:var(--o3);box-shadow:none}

/* ===== thanh menu dùng chung ===== */
.top .wrap{gap:18px}
.top nav{margin-left:auto;gap:2px}
.top nav a[aria-current="page"]{color:var(--ink);background:var(--o4);font-weight:600}
.top .cta-btn{display:inline-block;text-decoration:none;background:linear-gradient(135deg,var(--deep2),var(--deep));color:#fff;font-weight:600;font-size:.88rem;padding:8px 16px;border-radius:99px;white-space:nowrap}
.top .cta-btn:hover{filter:brightness(1.06)}
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--card);cursor:pointer;position:relative;flex:none}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:11px;right:11px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .2s,top .2s,opacity .2s}
.menu-btn span{top:20px}.menu-btn span::before{top:-6px;left:0;right:0}.menu-btn span::after{top:6px;left:0;right:0}
.top.open .menu-btn span{background:transparent}
.top.open .menu-btn span::before{top:0;transform:rotate(45deg)}
.top.open .menu-btn span::after{top:0;transform:rotate(-45deg)}
@media(max-width:760px){
  .menu-btn{display:block}
  .top .wrap{gap:10px}
  .top .cta-btn{margin-left:auto}
  .top nav{display:none;position:absolute;left:0;right:0;top:100%;margin:0;flex-direction:column;align-items:stretch;gap:0;background:rgba(255,251,246,.98);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:8px 16px 12px;box-shadow:0 18px 30px -22px rgba(200,67,0,.35)}
  .top.open nav{display:flex}
  .top nav a{padding:12px 8px;border-radius:10px;font-size:1rem}
}

/* ===== trang con ===== */
.page-hero{padding:56px 0 28px}
.page-hero h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:10px}
.page-hero .lead{margin-bottom:0}
.crumbs{font-size:.84rem;color:var(--ink-soft);margin-bottom:14px}
.crumbs a{color:var(--ink-soft);text-decoration:none}.crumbs a:hover{color:var(--deep)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 6px}
.filters button{font:inherit;font-size:.88rem;font-weight:500;cursor:pointer;border:1px solid var(--o3);background:var(--card);color:var(--ink);border-radius:99px;padding:8px 16px;min-height:40px}
.filters button[aria-pressed=true]{background:linear-gradient(135deg,var(--deep2),var(--deep));color:#fff;border-color:transparent}
.cases{display:grid;gap:18px;padding-bottom:60px}
.case{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;scroll-margin-top:90px}
.case[hidden]{display:none}
.case:target{border-color:var(--o2);box-shadow:var(--shadow)}
.case h2{font-size:1.5rem;margin:4px 0 6px}
.case .tagline{color:var(--ink-soft);margin-bottom:18px}
.case-body{display:grid;gap:18px;grid-template-columns:1fr 1fr}
.case-body section.wide{grid-column:1/-1}
.case h3{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--deep);font-weight:600;margin-bottom:8px}
.case ul{list-style:none;display:grid;gap:7px}
.case li{position:relative;padding-left:16px;font-size:.95rem}
.case li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:1.5px;background:var(--o1)}
.case-foot{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px dashed var(--o3)}
.case-foot .tools{margin:0}
@media(max-width:760px){.case{padding:22px 18px}.case-body{grid-template-columns:1fr}}
.all-link{margin-top:26px;text-align:center}

/* ===== danh sách bài (Blog, Cuộc sống) ===== */
.posts{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));padding-bottom:60px}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow .2s,transform .2s}
.post-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.post-card .cover{aspect-ratio:16/9;background:linear-gradient(135deg,var(--o4),var(--y3));object-fit:cover;width:100%}
.post-card .pc-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.post-card .meta{font-size:.78rem;color:var(--ink-soft);font-weight:500}
.post-card h2{font-size:1.15rem}
.post-card p{font-size:.92rem;color:var(--ink-soft)}
.post-card .more{margin-top:auto;padding-top:8px;font-weight:600;font-size:.84rem;color:var(--deep)}
.post-card .more::after{content:" →"}
.empty{text-align:center;padding:40px 20px 80px;max-width:520px;margin-inline:auto}
.empty svg{width:140px;height:auto;margin-bottom:10px;filter:drop-shadow(0 12px 18px rgba(255,170,80,.25))}
.empty p{color:var(--ink-soft);margin-bottom:18px}
.article{max-width:720px;margin-inline:auto;padding:48px 0 70px}
.article h1{font-size:clamp(1.8rem,5vw,2.6rem);margin-bottom:10px}
.article .meta{color:var(--ink-soft);font-size:.88rem;margin-bottom:26px}
.article .cover{width:100%;border-radius:var(--r);margin-bottom:26px;border:1px solid var(--line)}
.prose{font-size:1.04rem;line-height:1.85}
.prose h2{font-size:1.45rem;margin:34px 0 10px}.prose h3{font-size:1.2rem;margin:26px 0 8px}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 16px 22px}.prose li{margin-bottom:6px}
.prose a{color:var(--deep);font-weight:500}
.prose img{max-width:100%;height:auto;border-radius:14px;margin:8px 0 16px;border:1px solid var(--line)}
.prose blockquote{margin:0 0 16px;padding:4px 18px;border-left:3px solid var(--o2);color:var(--ink-soft)}
.article-cta{margin-top:40px;padding:22px 26px;border:1px dashed var(--o2);border-radius:var(--r);background:rgba(255,255,255,.6)}
.article-cta h3{font-size:1.1rem;margin-bottom:6px}.article-cta p{color:var(--ink-soft);margin-bottom:12px;font-size:.95rem}
.posts.life{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.posts.life .post-card .cover{aspect-ratio:4/3}

/* ===== Bình giúp được gì: thẻ màu, đưa chuột thì nhấc lên và tờ chi tiết trượt ra ===== */
.hint-hover{font-size:.84rem;color:var(--ink-soft);margin:-14px 0 20px}
.skills{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 20px;padding:10px 6px 6px}
.skill{--bg:#FFE9DA;--fg:var(--ink);position:relative;overflow:hidden;min-height:330px;padding:20px 22px 22px;border-radius:24px;background:var(--bg);color:var(--fg);
  transform:rotate(var(--r,0deg));transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s;box-shadow:0 10px 24px -16px rgba(120,50,0,.35);outline:none;cursor:default}
.skill::before{content:"";position:absolute;right:-50px;top:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.55),rgba(255,255,255,0) 68%);pointer-events:none}
.skill::after{content:"";position:absolute;right:-34px;bottom:-46px;width:150px;height:150px;border-radius:50%;border:20px solid rgba(255,255,255,.28);pointer-events:none}
.sk-num{position:relative;z-index:1;display:inline-block;font-size:.76rem;font-weight:600;letter-spacing:.08em;padding:3px 12px;border-radius:99px;background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.8);margin-bottom:14px}
.skill h3{position:relative;z-index:1;font-size:1.32rem;line-height:1.2;color:inherit;margin-bottom:10px;letter-spacing:-.02em}
.sk-desc{position:relative;z-index:1;font-size:.93rem;line-height:1.6;opacity:.88;max-width:30ch}
.sk-sheet{position:absolute;z-index:2;left:10px;right:10px;bottom:10px;padding:14px 16px 14px;border-radius:18px;background:rgba(255,255,255,.95);color:var(--ink);box-shadow:0 -10px 24px -16px rgba(120,50,0,.4);
  transform:translateY(calc(100% + 16px));opacity:0;transition:transform .38s cubic-bezier(.2,.8,.2,1),opacity .25s}
.sk-sheet ul{list-style:none;display:grid;gap:6px}
.sk-sheet li{position:relative;padding-left:15px;font-size:.84rem;line-height:1.5}
.sk-sheet li::before{content:"";position:absolute;left:0;top:.7em;width:6px;height:1.5px;background:var(--o1)}
.sk-sheet .tools{margin-top:10px}
.sk-sheet .tools span{background:var(--y4)}
.skill:hover,.skill:focus-visible,.skill.open{transform:translateY(-12px) rotate(0deg) scale(1.025);z-index:3;box-shadow:0 26px 44px -22px rgba(120,50,0,.5)}
.skill:hover .sk-sheet,.skill:focus-visible .sk-sheet,.skill.open .sk-sheet{transform:translateY(0);opacity:1}
.skill:focus-visible{outline:2px solid var(--deep);outline-offset:3px}
.s1{--bg:#FFCCB2}.s2{--bg:#FFDFB2}.s3{--bg:#FFAA80}.s4{--bg:#FFCA80}.s5{--bg:#FFB54D}
.s6{--bg:linear-gradient(135deg,#E8651F,#C84300);--fg:#fff}
.s6 .sk-num{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.5)}
.s6::after{border-color:rgba(255,255,255,.16)}
/* điện thoại và màn hình cảm ứng không có "đưa chuột": hiện sẵn chi tiết, xếp dọc */
@media (hover:none),(max-width:760px){
  .hint-hover{display:none}
  .skills{grid-template-columns:1fr;gap:16px;padding:0}
  .skill{min-height:0;transform:none!important;box-shadow:0 10px 24px -18px rgba(120,50,0,.4)}
  .skill:hover,.skill.open{transform:none!important}
  .sk-sheet{position:relative;left:auto;right:auto;bottom:auto;margin-top:16px;transform:none!important;opacity:1}
  .sk-desc{max-width:none}
}
@media (min-width:761px) and (max-width:1000px){.skills{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (prefers-reduced-motion:reduce){.skill,.sk-sheet{transition:none}}


@media (hover:hover) and (min-width:761px){.skill.s6{min-height:410px}}