/* ============================================================
   TB688-TH — design system
   โครง/คลาส/พาเลตต์ อ้างอิงจากเว็บตัวอย่างที่ผู้ใช้ออกแบบมาให้
   (Bootstrap 5.3.2 เป็นฐาน + ชั้น CSS ของแบรนด์ด้านล่าง)
   ============================================================ */
:root{
  --bg:#e5f3ff;--surface:#ffffff;--text:#111827;--heading:#0b1220;
  --muted:#475569;--primary:#38bdf8;--on-primary:#000000;--accent:#38bdf8;
  --border:rgba(2,6,23,0.12);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:'Sarabun',sans-serif;font-size:1rem;line-height:1.7;overflow-x:hidden;padding-bottom:0;}
a{color:var(--primary);text-decoration:none;}
a:hover{color:var(--accent);}
.nw{white-space:nowrap;}
img{max-width:100%;}

/* ---------- NAVBAR ---------- */
.navbar{background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 2px 12px rgba(2,6,23,0.07);}
.navbar-brand img{height:44px;}
.nav-link{color:var(--heading)!important;font-weight:500;padding:.5rem .85rem!important;border-radius:8px;transition:background .2s,color .2s;}
.nav-link:hover,.nav-link.active{background:var(--bg);color:var(--primary)!important;}
.navbar-toggler{border-color:var(--border);}
.navbar-toggler:focus{box-shadow:none;}
.btn-nav-cta{background:var(--primary);color:var(--on-primary);font-weight:700;border-radius:50px;padding:.45rem 1.3rem;white-space:nowrap;}
.btn-nav-cta:hover{color:var(--on-primary);box-shadow:0 0 20px rgba(56,189,248,.6);}

/* ---------- MARQUEE ---------- */
.marquee-wrap{background:var(--heading);padding:.45rem 0;overflow:hidden;position:relative;}
.marquee-inner{display:flex;white-space:nowrap;animation:marquee 38s linear infinite;width:max-content;}
.marquee-inner span{padding:0 2.5rem;color:#fff;font-size:.88rem;font-weight:500;}
.marquee-inner span em{color:var(--accent);font-style:normal;font-weight:700;}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee-inner{animation:none}.hero-orb{animation:none}}

/* ---------- HERO (หน้าแรก) ---------- */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;background:var(--heading);}
.hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,#0b1220 0%,#0c2340 50%,#0b3a5c 100%);z-index:0;}
.hero-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;animation:orbFloat 8s ease-in-out infinite;}
.hero-orb.o1{width:480px;height:480px;background:var(--primary);top:-120px;right:-80px;}
.hero-orb.o2{width:320px;height:320px;background:var(--accent);bottom:-60px;left:5%;animation-delay:-3s;}
.hero-orb.o3{width:200px;height:200px;background:#0ea5e9;top:40%;left:35%;animation-delay:-5s;}
@keyframes orbFloat{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.06)}}
.hero-content{position:relative;z-index:2;padding:5rem 0;}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:800;color:#fff;line-height:1.25;margin-bottom:1.2rem;text-shadow:0 2px 24px rgba(0,0,0,.4);}
.hero h1 span{color:var(--primary);}
.hero p.lead{color:rgba(255,255,255,.82);font-size:1.18rem;max-width:620px;margin-bottom:2rem;}
.hero-badge{display:inline-block;background:rgba(56,189,248,.18);border:1px solid rgba(56,189,248,.45);color:var(--primary);font-size:.82rem;font-weight:700;padding:.3rem 1rem;border-radius:50px;margin-bottom:1rem;letter-spacing:.04em;}
.hero-stats{display:flex;flex-wrap:wrap;gap:2rem;margin-top:2.5rem;}
.hero-stat{color:#fff;}
.hero-stat b{display:block;font-size:1.8rem;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat span{font-size:.88rem;color:rgba(255,255,255,.65);}

/* ---------- HERO ย่อย (หน้าลูก) ---------- */
.hero-sub{position:relative;background:linear-gradient(135deg,#0b1220 0%,#0c2340 55%,#0b3a5c 100%);padding:6.5rem 0 3.5rem;overflow:hidden;}
.hero-sub .hero-orb{opacity:.4;}
.hero-sub .hs-inner{position:relative;z-index:2;}
.hero-sub h1{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:800;color:#fff;line-height:1.3;margin-bottom:1rem;text-shadow:0 2px 20px rgba(0,0,0,.35);}
.hero-sub h1 span{color:var(--primary);}
.hero-sub p.lead{color:rgba(255,255,255,.8);font-size:1.08rem;max-width:720px;margin-bottom:1.6rem;}
.eyebrow{display:inline-block;background:rgba(56,189,248,.18);border:1px solid rgba(56,189,248,.45);color:var(--primary);font-size:.8rem;font-weight:700;padding:.28rem .95rem;border-radius:50px;margin-bottom:1rem;letter-spacing:.05em;}

/* ---------- BREADCRUMB ---------- */
.crumb{background:var(--surface);border-bottom:1px solid var(--border);padding:.7rem 0;font-size:.85rem;}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;margin:0;padding:0;}
.crumb li+li::before{content:'›';margin-right:.4rem;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb [aria-current]{color:var(--heading);font-weight:600;}

/* ---------- ปุ่ม ---------- */
.btn-glow{background:var(--primary);color:var(--on-primary);font-weight:700;font-size:1.05rem;padding:.78rem 2.2rem;border-radius:50px;border:none;box-shadow:0 0 28px rgba(56,189,248,.7);transition:transform .2s,box-shadow .2s;display:inline-block;}
.btn-glow:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 0 46px rgba(56,189,248,.9);color:var(--on-primary);}
.btn-outline-glow{background:transparent;color:#fff;border:2px solid var(--primary);font-weight:700;font-size:1.05rem;padding:.72rem 2rem;border-radius:50px;transition:all .2s;display:inline-block;}
.btn-outline-glow:hover{background:var(--primary);color:var(--on-primary);}
.btn-brand{background:var(--primary);color:var(--on-primary);font-weight:700;border-radius:50px;padding:.7rem 1.8rem;display:inline-block;border:none;}
.btn-brand:hover{color:var(--on-primary);transform:translateY(-2px);box-shadow:0 8px 26px rgba(56,189,248,.4);}
.btn-ghost{background:transparent;color:var(--heading);border:2px solid var(--border);font-weight:700;border-radius:50px;padding:.66rem 1.7rem;display:inline-block;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.cta-row{display:flex;flex-wrap:wrap;gap:.9rem;}

/* ---------- SECTION ---------- */
section{padding:4.5rem 0;}
.section-alt{background:var(--surface);}
.section-dark{background:var(--heading);}
.section-label{font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--primary);text-transform:uppercase;margin-bottom:.5rem;}
.section-title{font-size:clamp(1.5rem,3.3vw,2.3rem);font-weight:800;color:var(--heading);line-height:1.35;margin-bottom:1rem;}
.section-sub{color:var(--muted);font-size:1.05rem;max-width:680px;}
.divider{width:56px;height:4px;background:var(--primary);border-radius:4px;margin:1rem 0 1.8rem;}
.section-dark .section-title{color:#fff;}
.section-dark .section-sub{color:rgba(255,255,255,.7);}
.text-center .divider{margin-left:auto;margin-right:auto;}

/* ---------- สารบัญ (TOC) ---------- */
.toc{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:14px;padding:1.5rem 1.7rem;margin:0 0 2.5rem;}
.toc p.toc-title{font-weight:800;color:var(--heading);font-size:1.05rem;margin-bottom:.8rem;display:flex;align-items:center;gap:.5rem;}
.toc ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:.35rem 1.5rem;}
.toc li{padding:.3rem 0 .3rem 1.5rem;position:relative;font-size:.97rem;line-height:1.55;}
.toc li::before{content:'\F285';font-family:'bootstrap-icons';position:absolute;left:0;color:var(--primary);font-size:.8rem;}
.toc a{color:var(--heading);}
.toc a:hover{color:var(--primary);}

/* ---------- บทความ ---------- */
.article-body{max-width:860px;}
.article-body h2{font-size:clamp(1.25rem,2.6vw,1.6rem);font-weight:800;color:var(--heading);line-height:1.45;margin:2.6rem 0 1rem;scroll-margin-top:90px;}
.article-body h3{font-size:1.12rem;font-weight:700;color:var(--heading);line-height:1.5;margin:1.9rem 0 .7rem;scroll-margin-top:90px;}
.article-body p{color:var(--text);margin-bottom:1.05rem;}
.article-body ul,.article-body ol{margin:0 0 1.2rem 1.3rem;color:var(--text);}
.article-body li{margin-bottom:.5rem;}
.article-body strong{color:var(--heading);font-weight:700;}
.figure{margin:1.8rem 0;}
.figure figcaption{font-size:.85rem;color:var(--muted);margin-top:.6rem;text-align:center;}

/* ---------- การ์ดเกม / ฟีเจอร์ ---------- */
.game-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;overflow:hidden;height:100%;transition:transform .25s,box-shadow .25s;}
.game-card:hover{transform:translateY(-6px);box-shadow:0 14px 38px rgba(56,189,248,.2);}
.game-card img{width:100%;height:190px;object-fit:cover;display:block;}
.game-card .gc-body{padding:1.3rem 1.4rem 1.5rem;}
.game-card h3{font-size:1.1rem;font-weight:800;color:var(--heading);margin-bottom:.5rem;}
.game-card p{color:var(--muted);font-size:.94rem;margin-bottom:.9rem;}
.game-card .gc-link{font-weight:700;font-size:.94rem;}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1.8rem 1.5rem;height:100%;transition:transform .25s,box-shadow .25s;}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(56,189,248,.18);}
.feature-icon{width:54px;height:54px;background:var(--bg);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:var(--primary);margin-bottom:1rem;}
.feature-card h3,.feature-card h5{color:var(--heading);font-weight:700;font-size:1.08rem;margin-bottom:.5rem;}
.feature-card p{color:var(--muted);font-size:.95rem;}

/* ---------- STEPS ---------- */
.steps-section{background:var(--surface);}
.step-item{text-align:center;padding:1.5rem 1rem;}
.step-num{width:64px;height:64px;border-radius:50%;background:var(--primary);color:var(--on-primary);font-size:1.6rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 1.2rem;}
.step-item h3,.step-item h5{color:var(--heading);font-weight:700;font-size:1.08rem;margin-bottom:.4rem;}
.step-item p{color:var(--muted);font-size:.95rem;}

/* ---------- CAROUSEL / PROMO ---------- */
.carousel-section{background:var(--surface);}
.promo-slide{border-radius:18px;overflow:hidden;background:linear-gradient(120deg,var(--primary),var(--accent));min-height:210px;display:flex;align-items:center;position:relative;padding:2.5rem 2rem;}
.promo-slide .promo-icon{font-size:4.5rem;opacity:.22;position:absolute;right:2rem;bottom:-10px;}
.promo-slide h3{color:var(--on-primary);font-weight:800;font-size:1.5rem;margin-bottom:.5rem;}
.promo-slide p{color:rgba(0,0,0,.72);font-size:1rem;margin:0;}
.promo-slide .badge-promo{background:rgba(0,0,0,.15);color:var(--on-primary);font-weight:700;border-radius:50px;padding:.3rem 1rem;font-size:.85rem;display:inline-block;margin-bottom:.8rem;}
.carousel-indicators [data-bs-target]{background-color:var(--primary);}

/* ---------- MUAY / LIVE ---------- */
.muay-card{background:var(--surface);border:2px solid var(--accent);border-radius:20px;box-shadow:0 0 28px rgba(56,189,248,.2);overflow:hidden;position:relative;}
.muay-card .live-badge{position:absolute;top:1.2rem;right:1.2rem;background:#ef4444;color:#fff;font-size:.78rem;font-weight:800;padding:.3rem .8rem;border-radius:50px;display:flex;align-items:center;gap:.4rem;letter-spacing:.06em;z-index:3;}
.live-dot{width:9px;height:9px;background:#fff;border-radius:50%;animation:blink 1s ease-in-out infinite;}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}
.muay-card .muay-body{padding:2rem;}
.muay-card h3{color:var(--heading);font-weight:800;margin-bottom:.8rem;font-size:1.3rem;}
.arena-badge{display:inline-block;background:var(--bg);border:1px solid var(--border);color:var(--primary);font-size:.82rem;font-weight:600;padding:.28rem .9rem;border-radius:50px;margin:.25rem .2rem;}

/* ---------- ตาราง ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px;border:1px solid var(--border);margin:1.6rem 0;}
.compare-table{width:100%;border-collapse:collapse;background:var(--surface);min-width:560px;}
.compare-table thead{background:var(--primary);}
.compare-table thead th{color:var(--on-primary);font-weight:700;padding:1rem 1.2rem;text-align:left;font-size:.97rem;}
.compare-table tbody tr:nth-child(even){background:var(--bg);}
.compare-table td,.compare-table th{padding:.85rem 1.2rem;vertical-align:top;font-size:.95rem;border-top:1px solid var(--border);}
.compare-table tbody th{font-weight:700;color:var(--heading);background:var(--surface);}
.check-yes{color:#22c55e;font-size:1.15rem;}
.check-no{color:#ef4444;font-size:1.15rem;}

/* ---------- PRICING ---------- */
.pricing-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:2.2rem 1.8rem;height:100%;transition:transform .25s,box-shadow .25s;position:relative;}
.pricing-card.featured{border-color:var(--primary);box-shadow:0 0 36px rgba(56,189,248,.22);}
.pricing-card.featured::before{content:'แนะนำ';position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--primary);color:var(--on-primary);font-size:.78rem;font-weight:800;padding:.28rem 1.2rem;border-radius:50px;}
.pricing-card:hover{transform:translateY(-5px);box-shadow:0 14px 40px rgba(56,189,248,.18);}
.pricing-card h3{font-size:1.15rem;font-weight:800;color:var(--heading);margin-bottom:.4rem;}
.pricing-card .price{font-size:2.2rem;font-weight:800;color:var(--heading);}
.pricing-card .price span{font-size:1rem;color:var(--muted);font-weight:400;}
.pricing-card ul{list-style:none;padding:0;margin:1.2rem 0;}
.pricing-card ul li{padding:.4rem 0;color:var(--text);font-size:.96rem;border-bottom:1px solid var(--border);}
.pricing-card ul li:last-child{border-bottom:none;}
.pricing-card ul li i{color:var(--primary);margin-right:.5rem;}

/* ---------- PAYMENT ---------- */
.payment-section{background:var(--heading);}
.payment-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:1.5rem 1rem;text-align:center;transition:all .25s;}
.payment-card:hover{background:rgba(56,189,248,.15);border-color:var(--primary);transform:translateY(-4px);}
.payment-card i{font-size:2.1rem;color:rgba(255,255,255,.45);transition:color .25s;}
.payment-card:hover i{color:var(--primary);}
.payment-card .pay-name{color:#fff;font-weight:700;font-size:.95rem;margin:.6rem 0 .3rem;}
.payment-card .pay-tag{background:rgba(56,189,248,.25);color:var(--primary);font-size:.75rem;font-weight:700;padding:.2rem .7rem;border-radius:50px;display:inline-block;}

/* ---------- SUPPORT ---------- */
.support-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1.5rem 1.2rem;text-align:center;transition:transform .25s,box-shadow .25s;height:100%;}
.support-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(56,189,248,.18);}
.support-card i{font-size:2rem;color:var(--muted);transition:color .25s;margin-bottom:.8rem;display:block;}
.support-card:hover i{color:var(--primary);}
.support-card h3,.support-card h6{color:var(--heading);font-weight:700;font-size:1.02rem;margin-bottom:.4rem;}
.support-card p{color:var(--muted);font-size:.9rem;}

/* ---------- TESTIMONIALS ---------- */
.testi-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:1.8rem 1.6rem;height:100%;}
.testi-stars{color:var(--primary);font-size:1rem;margin-bottom:.8rem;}
.testi-text{color:var(--text);font-size:.96rem;margin-bottom:1.2rem;line-height:1.7;}
.testi-author{display:flex;align-items:center;gap:.9rem;}
.testi-avatar{width:46px;height:46px;border-radius:50%;background:var(--bg);border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--primary);font-size:1.1rem;flex:0 0 auto;}
.testi-name{font-weight:700;color:var(--heading);font-size:.95rem;}
.testi-city{font-size:.82rem;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{margin-top:1.5rem;}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;margin-bottom:.9rem;overflow:hidden;}
.faq-item details{display:block;}
.faq-item summary{cursor:pointer;list-style:none;padding:1.1rem 1.4rem;font-weight:700;color:var(--heading);font-size:1.02rem;line-height:1.5;display:flex;gap:.8rem;align-items:flex-start;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{content:'\F282';font-family:'bootstrap-icons';color:var(--primary);font-size:.85rem;line-height:1.9;flex:0 0 auto;}
.faq-item[open] summary::before{content:'\F286';}
.faq-item .faq-a{padding:0 1.4rem 1.2rem 2.9rem;color:var(--text);font-size:.97rem;}

/* ---------- หมายเหตุ / CALLOUT ---------- */
.privacy-notice{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:12px;padding:1.4rem 1.6rem;margin:2rem 0;}
.privacy-notice i{color:var(--primary);margin-right:.5rem;}
.privacy-notice p{color:var(--muted);font-size:.93rem;margin:0;}
.callout{background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:1.3rem 1.5rem;margin:1.6rem 0;}
.callout p{margin:0;color:var(--text);font-size:.96rem;}
.callout strong{color:var(--heading);}

/* ---------- รูป ---------- */
.content-img{width:100%;border-radius:16px;object-fit:cover;display:block;}

/* ---------- ปิดหน้าด้วย CTA ---------- */
.endcta{background:linear-gradient(135deg,#0b1220 0%,#0c2340 50%,#0b3a5c 100%);text-align:center;}
.endcta h2{color:#fff;font-size:clamp(1.5rem,3.2vw,2.2rem);font-weight:800;margin-bottom:1rem;}
.endcta p{color:rgba(255,255,255,.78);max-width:640px;margin:0 auto 2rem;}

/* ---------- FOOTER ---------- */
footer{background:var(--heading);color:rgba(255,255,255,.75);padding:3.5rem 0 1.5rem;}
footer .footer-brand img{height:40px;margin-bottom:1.1rem;}
footer p{font-size:.92rem;line-height:1.7;}
footer .footer-title{color:#fff;font-weight:700;font-size:1rem;margin-bottom:1rem;}
footer ul{list-style:none;padding:0;}
footer ul li{margin-bottom:.5rem;}
footer ul li a{color:rgba(255,255,255,.65);font-size:.92rem;transition:color .2s;}
footer ul li a:hover{color:var(--primary);}
footer .footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:2.5rem;padding-top:1.2rem;font-size:.85rem;color:rgba(255,255,255,.45);}
footer .footer-bottom a{color:rgba(255,255,255,.55);}
footer .footer-bottom a:hover{color:var(--primary);}

/* ---------- ส่วนที่ใช้ในหน้าแรก ---------- */
.article-wrap{padding:3.2rem 0 1rem;}
.hero-figure{margin:0;}
.hero-stats{margin-top:2rem;}
.hero .stat-num{font-size:1.5rem;font-weight:800;color:var(--primary);line-height:1.2;}
.hero .stat-lbl{font-size:.82rem;color:rgba(255,255,255,.68);}
.btn-nav-cta{background:var(--primary);color:var(--on-primary);font-weight:700;border:none;border-radius:50px;padding:.5rem 1.35rem;transition:transform .2s,box-shadow .2s;}
.btn-nav-cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(56,189,248,.45);color:var(--on-primary);}

.footbar{display:none;}
@media (max-width:860px){
  .footbar{display:flex;gap:.6rem;position:fixed;left:0;right:0;bottom:0;z-index:1030;background:var(--surface);border-top:1px solid var(--border);padding:.6rem .8rem;box-shadow:0 -4px 18px rgba(2,6,23,.12);}
  .footbar a{flex:1;text-align:center;font-weight:700;font-size:.95rem;border-radius:50px;padding:.62rem .3rem;}
  body{padding-bottom:76px;}
  section{padding:3rem 0;}
  .hero{min-height:auto;}
  .hero-content{padding:4rem 0 3.5rem;}
  .hero-stats{gap:1.2rem;}
  .toc ul{grid-template-columns:1fr;}
  .promo-slide{padding:1.8rem 1.3rem;}
  .promo-slide h3{font-size:1.25rem;}
  .promo-slide .promo-icon{font-size:3rem;right:1rem;}
}