*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0c10;--bg2:#0f1218;--bg3:#161b24;--accent:#00e5ff;--accent2:#7c3aed;--accent3:#f97316;--text:#e2e8f0;--text2:#94a3b8;--border:#1e293b}
body{background:var(--bg);color:var(--text);font-family:'Noto Sans Thai',sans-serif;min-height:100vh;overflow-x:hidden}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px clamp(14px,4vw,28px);border-bottom:1px solid var(--border);background:rgba(10,12,16,.9);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100}
.topbar-logo{font-family:'Rajdhani',sans-serif;font-size:18px;font-weight:700;color:var(--text);text-decoration:none;letter-spacing:1px}
.topbar-logo span{color:var(--accent)}
.nav-links{display:flex;gap:8px;align-items:center}
.back-btn{display:flex;align-items:center;gap:6px;font-family:'Rajdhani',sans-serif;font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--text2);text-decoration:none;border:1px solid var(--border);background:var(--bg3);padding:6px 12px;border-radius:8px;transition:all .2s;white-space:nowrap}
.back-btn:hover{color:var(--accent);border-color:rgba(0,229,255,.3)}

.page-hero{position:relative;padding:clamp(28px,5vw,48px) clamp(14px,5vw,40px) clamp(24px,4vw,36px);overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 60% at 10% 50%,rgba(124,58,237,.07) 0%,transparent 60%),radial-gradient(ellipse 40% 40% at 90% 20%,rgba(0,229,255,.05) 0%,transparent 60%);pointer-events:none}
.grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(0,229,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.025) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}
.page-tag{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(124,58,237,.35);background:rgba(124,58,237,.07);color:#a78bfa;padding:3px 12px;border-radius:100px;font-family:'Rajdhani',sans-serif;font-size:11px;letter-spacing:2px;text-transform:uppercase;margin-bottom:14px;position:relative;z-index:1}
.page-title{font-family:'Rajdhani',sans-serif;font-size:clamp(28px,7vw,56px);font-weight:700;line-height:1.1;position:relative;z-index:1;margin-bottom:8px}
.page-title span{background:linear-gradient(135deg,#fff 30%,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-desc{font-size:clamp(12px,2.5vw,14px);color:var(--text2);max-width:540px;line-height:1.7;position:relative;z-index:1}

.path-nav{padding:0 clamp(14px,4vw,28px);border-bottom:1px solid var(--border);display:flex;gap:4px;overflow-x:auto}
.path-tab{font-family:'Rajdhani',sans-serif;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;padding:10px 16px;border-bottom:2px solid transparent;color:var(--text2);cursor:pointer;white-space:nowrap;transition:all .2s;background:none;border-top:none;border-left:none;border-right:none}
.path-tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.path-tab:hover:not(.active){color:var(--text);border-bottom-color:var(--border)}

.content{padding:clamp(20px,4vw,36px) clamp(14px,4vw,28px);max-width:800px;margin:0 auto}
.path-panel{display:none}
.path-panel.active{display:block}

.method-intro{font-size:clamp(13px,2.5vw,14px);color:var(--text2);line-height:1.7;margin-bottom:20px}
.method-card{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:clamp(14px,3vw,20px);margin-bottom:12px;transition:border-color .2s}
.method-card:hover{border-color:rgba(124,58,237,.3)}
.method-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.method-num{width:32px;height:32px;border-radius:8px;background:rgba(124,58,237,.12);border:1px solid rgba(124,58,237,.3);display:flex;align-items:center;justify-content:center;font-family:'Rajdhani',sans-serif;font-size:14px;font-weight:700;color:#a78bfa;flex-shrink:0}
.method-num.orange{background:rgba(249,115,22,.12);border-color:rgba(249,115,22,.3);color:#fb923c}
.method-num.cyan{background:rgba(0,229,255,.08);border-color:rgba(0,229,255,.25);color:var(--accent)}
.method-title{font-family:'Rajdhani',sans-serif;font-size:clamp(15px,3vw,18px);font-weight:600;color:var(--text)}
.method-sub{font-size:12px;color:var(--text2);margin-top:1px}
.badge-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.badge{font-size:10px;padding:2px 8px;border-radius:5px;font-family:'Rajdhani',sans-serif;letter-spacing:1px;text-transform:uppercase}
.badge-easy{background:rgba(34,197,94,.1);color:#4ade80;border:1px solid rgba(34,197,94,.2)}
.badge-mid{background:rgba(249,115,22,.1);color:#fb923c;border:1px solid rgba(249,115,22,.2)}
.badge-hard{background:rgba(239,68,68,.1);color:#f87171;border:1px solid rgba(239,68,68,.2)}
.badge-free{background:rgba(0,229,255,.07);color:var(--accent);border:1px solid rgba(0,229,255,.15)}
.badge-cost{background:rgba(124,58,237,.1);color:#a78bfa;border:1px solid rgba(124,58,237,.2)}
.method-body{font-size:clamp(13px,2.5vw,14px);color:var(--text2);line-height:1.7}
.method-body strong{color:var(--text);font-weight:500}

.video-wrap{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:10px;background:var(--bg3);border:1px solid var(--border);margin-top:14px}
.video-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;border-radius:10px}
.video-label{font-family:'Rajdhani',sans-serif;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--text2);margin-bottom:6px;display:flex;align-items:center;gap:6px}
.video-label::before{content:'▶';color:#ff4444;font-size:10px}

.timeline{position:relative;padding-left:24px}
.timeline::before{content:'';position:absolute;left:8px;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,#a78bfa,var(--accent),#fb923c)}
.tl-item{position:relative;margin-bottom:clamp(16px,3vw,22px)}
.tl-item:last-child{margin-bottom:0}
.tl-dot{position:absolute;left:-20px;top:6px;width:12px;height:12px;border-radius:50%;border:2px solid var(--bg);flex-shrink:0}
.tl-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:clamp(12px,2.5vw,16px);transition:border-color .2s}
.tl-card:hover{border-color:rgba(0,229,255,.2)}
.tl-stage{font-family:'Rajdhani',sans-serif;font-size:clamp(14px,3vw,17px);font-weight:700;color:var(--text);margin-bottom:6px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tl-stage-badge{font-size:10px;padding:2px 8px;border-radius:5px;font-family:'Rajdhani',sans-serif;letter-spacing:1px;text-transform:uppercase}
.sb-mythic{background:rgba(239,68,68,.1);color:#f87171;border:1px solid rgba(239,68,68,.2)}
.sb-lionheart{background:rgba(251,191,36,.1);color:#fbbf24;border:1px solid rgba(251,191,36,.2)}
.sb-ancient{background:rgba(124,58,237,.1);color:#a78bfa;border:1px solid rgba(124,58,237,.2)}
.sb-chaos{background:linear-gradient(90deg,rgba(0,229,255,.1),rgba(124,58,237,.1));color:var(--accent);border:1px solid rgba(0,229,255,.2)}
.tl-desc{font-size:clamp(12px,2.5vw,13px);color:var(--text2);line-height:1.7}
.tl-desc strong{color:var(--text);font-weight:500}
.tl-steps{margin-top:10px;display:flex;flex-direction:column;gap:6px}
.tl-step{display:flex;align-items:flex-start;gap:10px;background:var(--bg3);border-radius:8px;padding:8px 12px}
.tl-step-num{font-family:'Rajdhani',sans-serif;font-size:12px;font-weight:700;color:var(--accent2);flex-shrink:0;min-width:16px}
.tl-step-text{font-size:clamp(12px,2.5vw,13px);color:var(--text2);line-height:1.5}
.tl-step-text strong{color:var(--text);font-weight:500}

.section-label{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.section-title{font-family:'Rajdhani',sans-serif;font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--text2);white-space:nowrap}
.section-line{flex:1;height:1px;background:var(--border)}
.section-badge{font-family:'Rajdhani',sans-serif;font-size:11px;background:rgba(0,229,255,.1);color:var(--accent);border:1px solid rgba(0,229,255,.2);padding:2px 8px;border-radius:4px;letter-spacing:1px;white-space:nowrap}

.cta-wrap{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:clamp(14px,3vw,22px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:clamp(24px,4vw,36px)}
.cta-text h3{font-family:'Rajdhani',sans-serif;font-size:clamp(15px,3vw,18px);font-weight:600;color:var(--text);margin-bottom:3px}
.cta-text p{font-size:12px;color:var(--text2)}
.cta-btn{display:inline-flex;align-items:center;gap:8px;background:rgba(0,229,255,.08);border:1px solid rgba(0,229,255,.25);color:var(--accent);padding:9px 18px;border-radius:10px;font-family:'Rajdhani',sans-serif;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;text-decoration:none;transition:all .2s;white-space:nowrap}
.cta-btn:hover{background:rgba(0,229,255,.14);transform:translateY(-1px)}

/* VIDEO SECTION ด้านล่าง */
.video-section{border-top:1px solid var(--border);padding:clamp(28px,5vw,48px) clamp(14px,4vw,28px)}
.video-section-inner{max-width:800px;margin:0 auto}
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:16px;margin-top:4px}
.video-item{background:var(--bg2);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:border-color .25s,transform .25s}
.video-item:hover{border-color:rgba(124,58,237,.4);transform:translateY(-3px)}
.video-thumb{position:relative;padding-bottom:56.25%;background:var(--bg3)}
.video-thumb iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}
.video-info{padding:12px 14px}
.video-ep{font-family:'Rajdhani',sans-serif;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--text2);margin-bottom:4px}
.video-vtitle{font-size:clamp(13px,2.5vw,14px);font-weight:500;color:var(--text);line-height:1.4}
.video-vtag{display:inline-block;margin-top:6px;font-size:10px;padding:2px 7px;border-radius:4px;font-family:'Rajdhani',sans-serif;letter-spacing:1px;text-transform:uppercase}
.vtag-purple{background:rgba(124,58,237,.1);color:#a78bfa;border:1px solid rgba(124,58,237,.2)}
.vtag-orange{background:rgba(249,115,22,.1);color:#fb923c;border:1px solid rgba(249,115,22,.2)}
.vtag-cyan{background:rgba(0,229,255,.07);color:var(--accent);border:1px solid rgba(0,229,255,.15)}
.vtag-gold{background:rgba(251,191,36,.1);color:#fbbf24;border:1px solid rgba(251,191,36,.2)}

.footer{padding:clamp(16px,3vw,24px) 20px;text-align:center;border-top:1px solid var(--border);font-size:12px;color:var(--text2)}
.footer span{color:var(--accent)}