/* pj-theme.css — ธีมกลางของ Pojacademy (ม่วง·เทา·แดง·เหลือง)
   สีทั้งหมดมาจากตัวแปร --pj-* ใน header.php */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--pj-bg,#15111d);color:var(--pj-ink);font:17px/1.75 'Sarabun',sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
[hidden]{display:none!important}
a{color:var(--pj-yellow-2)}
h1,h2,h3,h4{font-family:'Kanit',sans-serif;font-weight:600;line-height:1.3;margin:0 0 .5em;color:#fff}

.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.sec{padding:88px 0}
.sec.alt{background:linear-gradient(180deg,var(--pj-bg-2) 0%,var(--pj-bg) 100%)}
.eyebrow{display:inline-block;font:500 13px 'Kanit',sans-serif;letter-spacing:2.5px;text-transform:uppercase;color:var(--pj-red);margin-bottom:10px}
.sec-head{text-align:center;max-width:720px;margin:0 auto 48px}
.sec-head h2{font-size:clamp(28px,4vw,40px)}
.sec-head p{color:var(--pj-muted);margin:0}
.gold{background:linear-gradient(135deg,var(--pj-yellow-2),var(--pj-yellow));-webkit-background-clip:text;background-clip:text;color:transparent}

.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:999px;font:600 17px 'Kanit',sans-serif;text-decoration:none;transition:transform .15s,filter .15s}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,var(--pj-yellow-2),var(--pj-yellow));color:var(--pj-on-yellow);box-shadow:0 10px 30px rgba(245,220,60,.25)}
.btn-ghost{border:1px solid rgba(255,255,255,.25);color:#fff}
.btn-ghost:hover{border-color:var(--pj-purple-2);color:#fff;background:rgba(124,77,204,.2)}

.card{background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:28px;transition:border-color .2s,transform .2s,background .2s}
a.card{display:block;text-decoration:none;color:inherit}
a.card:hover{border-color:var(--pj-purple-2);transform:translateY(-4px);background:rgba(124,77,204,.12)}
.ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:22px;color:var(--pj-yellow);background:linear-gradient(135deg,var(--pj-purple),var(--pj-purple-deep));margin-bottom:16px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
.muted{color:var(--pj-muted)}

/* ---------- Hero ---------- */
.hero{padding:40px 0 24px}
.carousel{position:relative;border-radius:22px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5);border:1px solid rgba(167,123,240,.35)}
.track{display:flex;will-change:transform}
.slide{min-width:100%}
.slide img{width:100%;height:auto}
.c-btn{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(21,17,29,.55);color:#fff;font-size:20px;cursor:pointer;backdrop-filter:blur(6px)}
.c-btn:hover{background:var(--pj-purple);border-color:var(--pj-purple)}
.c-prev{left:16px}.c-next{right:16px}
.dots{display:flex;justify-content:center;gap:8px;margin-top:18px}
.dots button{width:9px;height:9px;border-radius:9px;border:0;background:rgba(255,255,255,.25);cursor:pointer;padding:0;transition:width .3s,background .3s}
.dots button.on{width:28px;background:var(--pj-yellow)}
.hero-cta{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:32px}
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 28px;margin-top:22px;color:var(--pj-muted);font-size:15px}
.trust i{color:var(--pj-red);margin-right:6px}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.intro-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:460px;margin:0 auto}
.intro-pair .yt{box-shadow:0 20px 50px rgba(0,0,0,.5);border:1px solid rgba(167,123,240,.4)}
.about h2{font-size:clamp(28px,4vw,40px)}
.about blockquote{margin:24px 0 0;padding:18px 22px;border-left:4px solid var(--pj-red);background:rgba(229,72,77,.08);border-radius:0 12px 12px 0;font-family:'Kanit',sans-serif;color:var(--pj-yellow-2)}

/* ---------- Steps ---------- */
.steps{counter-reset:s}
.step{position:relative;text-align:center;padding-top:40px}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-22px;left:50%;transform:translateX(-50%);width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--pj-purple-2),var(--pj-purple));color:#fff;box-shadow:0 0 0 4px var(--pj-bg-2);font:700 20px/48px 'Kanit',sans-serif}
.step h3{font-size:22px}

/* ---------- Compare ---------- */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.vs .card h3{font-size:20px}
.vs ul{margin:0;padding-left:0;list-style:none}
.vs li{padding:6px 0 6px 28px;position:relative}
.vs li::before{position:absolute;left:0;font-family:FontAwesome}
.vs .no li::before{content:"\f00d";color:var(--pj-red)}
.vs .yes{border-color:var(--pj-purple-2);background:rgba(124,77,204,.14)}
.vs .yes li::before{content:"\f00c";color:var(--pj-yellow)}

/* ---------- Stat band ---------- */
.band{background:linear-gradient(135deg,var(--pj-purple) 0%,var(--pj-purple-deep) 100%);color:#fff;border-bottom:4px solid var(--pj-red);border-radius:22px;padding:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center}
.band b{display:block;color:var(--pj-yellow);font:700 clamp(32px,5vw,48px)/1.1 'Kanit',sans-serif}
.band span{font-weight:500}

/* ---------- Videos ---------- */
.shorts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:900px;margin:0 auto}
.yt{position:relative;border-radius:16px;overflow:hidden;background:#000;cursor:pointer;border:1px solid rgba(255,255,255,.08)}
.yt.short{aspect-ratio:9/16}.yt.wide{aspect-ratio:16/9}
.yt img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:opacity .2s,transform .4s}
.yt:hover img{opacity:1;transform:scale(1.03)}
.yt .play{position:absolute;inset:0;display:grid;place-items:center}
.yt .play span{width:62px;height:62px;border-radius:50%;background:var(--pj-red);display:grid;place-items:center;color:#fff;font-size:22px;padding-left:4px;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- Testimonials ---------- */
.quote{font-family:'Kanit',sans-serif;font-size:19px;color:#fff}
.quote::before{content:"\201C";display:block;font-size:56px;line-height:.6;color:var(--pj-red);margin-bottom:10px}
.quote cite{display:block;margin-top:14px;font:15px 'Sarabun',sans-serif;color:var(--pj-yellow);font-style:normal}

/* ---------- Cases ---------- */
.case{padding:0;overflow:hidden}
.case img{width:100%;aspect-ratio:4/3;object-fit:cover}
.case div{padding:18px 20px;font:500 17px 'Kanit',sans-serif;color:#fff}
.case div i{color:var(--pj-red);margin-left:6px}

/* ---------- Infographics ---------- */
.info img{border-radius:16px;margin:0 auto 20px;border:1px solid rgba(255,255,255,.08)}
details.more summary{list-style:none;cursor:pointer;text-align:center}
details.more summary::-webkit-details-marker{display:none}
details.more[open] summary{display:none}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{border-bottom:1px solid rgba(255,255,255,.1)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;font:500 18px 'Kanit',sans-serif;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:26px;color:var(--pj-red);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 20px;color:var(--pj-muted)}

/* ---------- Final CTA / Contact ---------- */
.final{text-align:center;border-radius:26px;padding:64px 28px;background:radial-gradient(120% 140% at 50% 0%,#4a2a86 0%,var(--pj-bg-2) 65%);border:1px solid rgba(167,123,240,.45)}
.final h2{font-size:clamp(28px,4.5vw,44px)}
.contact-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.18);color:var(--pj-ink);text-decoration:none;font-weight:500}
.chip:hover{border-color:var(--pj-yellow);color:var(--pj-yellow-2)}
.chip .fa-comment{color:#06c755}

footer{border-top:1px solid rgba(255,255,255,.08);padding:40px 0;color:var(--pj-muted);font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
footer a{color:var(--pj-muted);text-decoration:none;margin-right:18px}
footer a:hover{color:var(--pj-yellow)}
footer b{font-family:'Kanit',sans-serif;color:#fff;font-size:18px}

/* ---------- Reveal on scroll ---------- */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.track{transition:none}}

/* ---------- Sticky mobile CTA ---------- */
.m-cta{display:none}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .shorts{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr;gap:32px;text-align:center}
  .about blockquote{text-align:left}
}
@media (max-width:640px){
  body{font-size:16px}
  .sec{padding:60px 0}
  .g2,.g3,.vs{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr 1fr}
  .band{grid-template-columns:1fr;padding:28px}
  .carousel{border-radius:14px}
  .c-btn{display:none}
  .card{padding:22px}
  .m-cta{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:999;text-align:center;justify-content:center}
  body{padding-bottom:80px}
}
  

/* ================= เพิ่มเติม v2 ================= */

/* ---------- ข้อความบทความ (สร้างจาก pj_text()) ---------- */
.prose{font-size:17px;line-height:1.85;color:var(--pj-ink)}
.prose p{margin:0 0 .9em;color:#d9d4e4}
.prose h4{font:600 19px/1.4 'Kanit',sans-serif;color:var(--pj-yellow);margin:1.6em 0 .6em;padding-left:12px;border-left:3px solid var(--pj-red)}
.prose h4:first-child{margin-top:0}
.prose ul{list-style:none;padding:0;margin:0 0 1em}
.prose li{position:relative;padding:4px 0 4px 22px;color:#d9d4e4}
.prose li::before{content:"";position:absolute;left:4px;top:15px;width:7px;height:7px;border-radius:50%;background:var(--pj-purple-2)}
.prose blockquote{margin:1em 0;padding:16px 20px;border-radius:12px;background:rgba(124,77,204,.15);border-left:4px solid var(--pj-yellow);font-family:'Kanit',sans-serif;color:#fff}

/* ---------- Page hero (ใช้ร่วมทุกหน้าย่อย) ---------- */
.p-hero{position:relative;padding:64px 0 36px;text-align:center;overflow:hidden}
.p-hero::before{content:"";position:absolute;left:50%;top:-40%;width:900px;height:600px;transform:translateX(-50%);background:radial-gradient(50% 50% at 50% 50%,rgba(124,77,204,.38),transparent 70%);pointer-events:none}
.p-hero .wrap{position:relative}
.p-hero h1{font-size:clamp(32px,5.2vw,54px);margin-bottom:.35em}
.p-hero .lead{max-width:680px;margin:0 auto;color:var(--pj-muted);font-size:clamp(16px,2vw,19px)}

/* ---------- Sub-navigation (แท็บของหมวด Poj AI) ---------- */
.subnav{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:0 auto;padding:6px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);width:max-content;max-width:100%}
.subnav a{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:999px;color:var(--pj-ink);text-decoration:none;font:500 16px 'Kanit',sans-serif;white-space:nowrap}
.subnav a:hover{background:rgba(124,77,204,.2);color:#fff}
.subnav a.on{background:linear-gradient(135deg,var(--pj-purple-2),var(--pj-purple));color:#fff;box-shadow:0 6px 18px rgba(124,77,204,.4)}
.subnav i{color:var(--pj-yellow)}
.subnav a.on i{color:#fff}
@media (max-width:640px){
  .subnav{width:100%;border-radius:16px;justify-content:stretch;flex-wrap:nowrap;gap:4px}
  .subnav a{flex:1 1 0;min-width:0;justify-content:center;padding:10px 6px;font-size:13.5px}
  .subnav a i{display:none}
}


/* ---------- ภาพประกอบบทความ ---------- */
.figure{border-radius:18px;overflow:hidden;border:1px solid rgba(167,123,240,.3);box-shadow:0 20px 50px rgba(0,0,0,.45);margin:0 auto}
.figure img{width:100%}
.narrow{max-width:860px;margin:0 auto}

/* ================= เพิ่มเติม v3: รายการคอร์ส / E-Book ================= */
.items{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
a.card.item{padding:0;overflow:hidden;display:flex;flex-direction:column}
.item .cover{position:relative;overflow:hidden;background:#0d0a14}
.item .cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s}
.items.book .item .cover img{aspect-ratio:3/4;object-fit:contain;padding:14px;background:radial-gradient(circle at 50% 30%,#2a2140,#0d0a14)}
a.item:hover .cover img{transform:scale(1.05)}
.item .body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.item h3{font-size:18px;line-height:1.4;margin:0 0 14px;flex:1}
.item .go{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border-radius:10px;background:linear-gradient(135deg,var(--pj-purple-2),var(--pj-purple));color:#fff;font:600 15px 'Kanit',sans-serif;transition:filter .2s}
a.item:hover .go{filter:brightness(1.12)}
.pager{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:40px}
.pager a,.pager span{min-width:42px;height:42px;padding:0 12px;border-radius:12px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.14);color:var(--pj-ink);text-decoration:none;font:500 15px 'Kanit',sans-serif}
.pager a:hover{border-color:var(--pj-yellow);color:var(--pj-yellow)}
.pager .on{background:var(--pj-yellow);border-color:var(--pj-yellow);color:var(--pj-on-yellow)}
.pager .off{opacity:.3}
.empty{text-align:center;color:var(--pj-muted);padding:40px 0}
@media (max-width:1100px){.items{grid-template-columns:repeat(3,1fr)}}
@media (max-width:800px){.items{grid-template-columns:repeat(2,1fr);gap:14px}.item h3{font-size:16px}.item .body{padding:12px 12px 14px}}