/* ============ YoKit Blog — ใช้โทเคนแบรนด์เดียวกับ index.html ============ */
:root{
  --gold:#D4AF37;
  --gold-bright:#F0C94E;
  --gold-soft:#F0E6CC;
  --charcoal:#1A1A2E;
  --charcoal-deep:#101018;
  --cream:#F8F5EE;
  --cream-deep:#F0EADD;
  --olive:#6B7B56;
  --clay:#B36A5E;
  --ink:#1A1A2E;
  --ink-soft:#55556B;
  --radius:24px;
  --shadow-soft:0 20px 60px rgba(26,26,46,.10);
  --shadow-gold:0 12px 44px rgba(212,175,55,.35);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{overflow-x:hidden}
body{font-family:'Prompt',sans-serif;background:var(--cream);color:var(--ink);line-height:1.75}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
::selection{background:var(--gold);color:var(--charcoal)}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(212,175,55,.5);border-radius:99px}

/* ============ NAV ============ */
.nav{
  position:sticky;top:0;z-index:100;
  padding:14px 5vw;
  display:flex;align-items:center;justify-content:space-between;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  background:rgba(248,245,238,.85);
  border-bottom:1px solid rgba(26,26,46,.06);
}
.nav-logo img{height:38px;width:auto}
.nav-links{display:flex;gap:28px;align-items:center;font-weight:500;font-size:.92rem}
.nav-links a{color:var(--ink-soft);transition:color .3s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--gold)}
.nav-links a::after{content:'';position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--gold);transition:width .3s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.btn{display:inline-block;padding:12px 26px;border-radius:99px;font-weight:600;font-size:.95rem;transition:transform .3s,box-shadow .3s}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-bright));color:var(--charcoal);box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px)}

/* ============ BACKGROUND GLOW ============ */
.bg-glow{position:fixed;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0;opacity:.6;animation:drift 16s ease-in-out infinite alternate}
.bg-glow.g1{width:520px;height:520px;background:radial-gradient(circle,rgba(212,175,55,.38),transparent 70%);top:-140px;right:-140px}
.bg-glow.g2{width:460px;height:460px;background:radial-gradient(circle,rgba(107,123,86,.28),transparent 70%);bottom:-160px;left:-160px;animation-delay:-8s}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(-36px,44px) scale(1.1)}}

/* ============ LAYOUT ============ */
.blog-wrap{max-width:1080px;margin:0 auto;padding:48px 5vw 96px;position:relative;z-index:1}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

/* ============ BLOG HERO ============ */
.blog-hero{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:56px}
.blog-hero .eyebrow{animation:fadeUp .7s .05s cubic-bezier(.22,1,.36,1) both}
.blog-hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.25;animation:fadeUp .7s .18s cubic-bezier(.22,1,.36,1) both}
.blog-hero .sub{color:var(--ink-soft);max-width:560px;margin-top:16px;animation:fadeUp .7s .32s cubic-bezier(.22,1,.36,1) both}
.bh-chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:24px;animation:fadeUp .7s .45s cubic-bezier(.22,1,.36,1) both}
.bh-chips span{background:#fff;border:1px solid rgba(26,26,46,.08);padding:8px 16px;border-radius:99px;font-size:.85rem;font-weight:500;color:var(--ink-soft);box-shadow:0 6px 18px rgba(26,26,46,.05);transition:transform .3s,border-color .3s,color .3s}
.bh-chips span:hover{transform:translateY(-3px);border-color:var(--gold);color:var(--gold)}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--olive);margin-bottom:14px}
.blog-head h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.25}
.grad-gold{background:linear-gradient(100deg,var(--gold) 10%,var(--gold-bright) 60%,var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.blog-head .sub{color:var(--ink-soft);max-width:560px;margin:16px auto 0}
.loading{text-align:center;color:var(--ink-soft);padding:48px 0}

/* ============ POST GRID ============ */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:26px}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.post-card{
  background:#fff;border-radius:var(--radius);padding:30px 28px;
  box-shadow:var(--shadow-soft);border:1px solid rgba(26,26,46,.05);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .35s,box-shadow .35s;
  animation:rise .6s cubic-bezier(.22,1,.36,1) both;
}
.post-card:hover{transform:translateY(-6px);box-shadow:0 28px 70px rgba(26,26,46,.16);border-color:rgba(212,175,55,.45)}
.num{font-size:.75rem;font-weight:600;letter-spacing:2.5px;text-transform:uppercase;color:var(--gold)}
.pc-rule{height:1px;width:100%;background:linear-gradient(90deg,rgba(212,175,55,.55),transparent);transition:background .4s}
.post-card:hover .pc-rule{background:linear-gradient(90deg,var(--gold),rgba(212,175,55,.1))}
.pc-meta{font-size:.8rem;color:var(--ink-soft)}
.post-card h2{font-size:1.15rem;font-weight:700;line-height:1.45}
.post-card p{font-size:.9rem;color:var(--ink-soft);flex:1}
.pc-tags{display:flex;gap:8px;flex-wrap:wrap}
.pc-tags span{font-size:.75rem;font-weight:500;padding:4px 12px;border-radius:99px;background:var(--cream-deep);color:var(--olive)}
.pc-more{font-size:.9rem;font-weight:600;color:var(--gold);margin-top:4px;transition:transform .3s,color .3s}
.post-card:hover .pc-more{transform:translateX(6px);color:var(--gold-bright)}

/* โพสต์ล่าสุด = การ์ดเด่นเต็มแถว ธีมเข้ม + มาสคอต */
.post-card.featured{grid-column:1/-1;flex-direction:row;align-items:center;gap:36px;background:var(--charcoal);border:none;padding:38px 42px;position:relative;overflow:hidden}
.post-card.featured::after{content:'';position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(105deg,transparent,rgba(240,201,78,.10),transparent);transform:skewX(-18deg);transition:left .8s ease}
.post-card.featured:hover::after{left:130%}
.post-card.featured .f-copy{display:flex;flex-direction:column;gap:12px;flex:1}
.post-card.featured h2{font-size:clamp(1.3rem,2.6vw,1.7rem);color:var(--cream)}
.post-card.featured p{color:rgba(248,245,238,.72)}
.post-card.featured .pc-meta{color:rgba(248,245,238,.55)}
.post-card.featured .pc-tags span{background:rgba(212,175,55,.16);color:var(--gold-bright)}
.post-card.featured .pc-more{color:var(--gold-bright)}
.featured-badge{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--gold-bright);border:1px solid rgba(240,201,78,.45);padding:6px 16px;border-radius:99px}
.featured-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold-bright)}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.cta-mascot img{animation:bob 4.5s ease-in-out infinite}

/* การ์ดชวนทดลองใช้ ปิดท้าย grid ไม่ให้มีช่องโล่ง */
.post-card.promo{background:linear-gradient(165deg,var(--gold-soft),#fff 70%);border:1px solid rgba(212,175,55,.35);align-items:center;text-align:center;justify-content:center;gap:14px}
.post-card.promo img{width:112px;height:auto;animation:bob 4.5s ease-in-out infinite;filter:drop-shadow(0 12px 24px rgba(26,26,46,.18))}
.post-card.promo h2{font-size:1.15rem}
.post-card.promo p{flex:0}
.post-card.promo .btn{margin-top:6px}
/* จอที่ grid เหลือ 2 คอลัมน์ — ให้การ์ด promo กางเต็มแถว ไม่ทิ้งช่องโล่ง */
@media (max-width:1059px){
  .post-card.promo{grid-column:1/-1}
}

/* ============ READING PROGRESS ============ */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:200;pointer-events:none}
.read-progress i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--gold),var(--gold-bright));transform-origin:left;transform:scaleX(0)}

/* ============ SHARE + RELATED ============ */
.share-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:44px;padding-top:26px;border-top:1px solid rgba(26,26,46,.08)}
.share-row>span{font-size:.85rem;color:var(--ink-soft);margin-right:4px}
.share-btn{display:inline-flex;align-items:center;gap:7px;font-family:'Prompt',sans-serif;font-size:.85rem;font-weight:600;padding:9px 18px;border-radius:99px;border:1px solid rgba(26,26,46,.12);background:#fff;cursor:pointer;color:var(--ink);transition:border-color .25s,color .25s,transform .25s}
.share-btn:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
.related{margin-top:56px}
.related h2{font-size:1.2rem;font-weight:700;margin-bottom:18px}
.related h2 b{color:var(--gold)}

/* ============ ARTICLE ============ */
.article-wrap{max-width:760px}
.back-link{display:inline-block;font-size:.9rem;font-weight:500;color:var(--ink-soft);margin-bottom:28px;transition:color .3s}
.back-link:hover{color:var(--gold)}
.article-head{text-align:center;margin-bottom:40px;display:flex;flex-direction:column;gap:14px;align-items:center}
.article-kicker{display:flex;align-items:center;gap:14px;font-size:.75rem;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--gold)}
.article-kicker::before,.article-kicker::after{content:'';height:1px;width:38px;background:linear-gradient(90deg,transparent,rgba(212,175,55,.6))}
.article-kicker::after{background:linear-gradient(90deg,rgba(212,175,55,.6),transparent)}
.article-head>*{animation:fadeUp .7s cubic-bezier(.22,1,.36,1) both}
.article-head>*:nth-child(2){animation-delay:.1s}
.article-head>*:nth-child(3){animation-delay:.2s}
.article-head>*:nth-child(4){animation-delay:.3s}
/* เนื้อหาบทความค่อย ๆ โผล่ตอนเลื่อนอ่าน (JS ใส่คลาส .rv ให้ทีละก้อน) */
.rv{opacity:0;transform:translateY(20px);transition:opacity .65s cubic-bezier(.22,1,.36,1),transform .65s cubic-bezier(.22,1,.36,1)}
.rv.in{opacity:1;transform:none}
.article-head h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;line-height:1.35}
.article-head .pc-tags{justify-content:center}
.article-body{font-size:1.02rem}
.article-body>p:first-of-type{font-size:1.13rem;line-height:1.85}
.article-body h2{font-size:1.4rem;font-weight:700;margin:40px 0 14px;line-height:1.4;position:relative;padding-left:16px}
.article-body h2::before{content:'';position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:4px;background:linear-gradient(var(--gold),var(--gold-bright))}
.article-body h3{font-size:1.15rem;font-weight:700;margin:30px 0 10px}
.article-body p{margin-bottom:18px}
.article-body b,.article-body strong{color:var(--charcoal)}
.article-body ul,.article-body ol{margin:0 0 18px 1.4em}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--gold);font-weight:600;border-bottom:1px solid rgba(212,175,55,.4)}
.article-body a:hover{color:var(--gold-bright)}
.article-body hr{border:none;border-top:1px solid rgba(26,26,46,.1);margin:36px 0}
.article-body blockquote{border-left:3px solid var(--gold);padding:6px 0 6px 18px;color:var(--ink-soft);margin-bottom:18px}
.article-body table{width:100%;border-collapse:collapse;margin-bottom:22px;font-size:.95rem}
.article-body th,.article-body td{padding:10px 14px;text-align:left;border-bottom:1px solid rgba(26,26,46,.08)}
.article-body th{background:var(--cream-deep);font-weight:600}
.article-body code{background:var(--cream-deep);padding:2px 8px;border-radius:8px;font-size:.88em}

/* ============ ARTICLE CTA ============ */
.article-cta{
  margin-top:64px;background:var(--charcoal);color:var(--cream);
  border-radius:var(--radius);padding:34px 36px;
  display:flex;gap:28px;align-items:center;flex-wrap:wrap;
  box-shadow:var(--shadow-soft);
}
.cta-mascot img{width:110px;height:auto}
.article-cta h3{font-size:1.25rem;font-weight:700;margin-bottom:8px}
.article-cta p{font-size:.92rem;color:rgba(248,245,238,.7);margin-bottom:18px;max-width:420px}
.article-cta>div:last-child{flex:1;min-width:260px}

/* ============ FOOTER ============ */
.footer{background:var(--charcoal-deep);color:var(--cream);padding:48px 5vw 36px}
.footer-inner{max-width:1080px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.3rem}
.footer-logo svg{width:36px;height:36px}
.footer-links{display:flex;gap:26px;font-size:.88rem;color:rgba(248,245,238,.55)}
.footer-links a:hover{color:var(--gold-bright)}
.footer-copy{font-size:.8rem;color:rgba(248,245,238,.35);width:100%;text-align:center;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.05)}

@media (max-width:860px){
  .nav{flex-wrap:wrap;row-gap:6px;padding:10px 4vw}
  .nav-logo img{height:30px}
  .nav-links{order:3;width:100%;justify-content:center;gap:14px;font-size:.8rem;flex-wrap:wrap}
  .nav>.btn{padding:8px 15px;font-size:.78rem}
  .post-card.featured{flex-direction:column;padding:30px 26px}
  .article-cta{flex-direction:column;text-align:center}
  .article-cta p{margin-inline:auto}
}