:root{
  --bg:#0f1221;           /* พื้นหลังโทนมิดไนท์ */
  --card:#151936;         /* พื้นการ์ด */
  --soft:#20264d;         /* เส้น/ขอบ */
  --acc:#7c5cff;          /* ไฮไลต์โทนเมจิก */
  --text:#e7e9ff;         /* ตัวอักษรหลัก */
  --muted:#b9c0ff;        /* ตัวอักษรซอฟต์ */
  --ok:#23c483;
  --warn:#ffb020;
  --err:#ff6565;
  --shadow:0 8px 28px rgba(0,0,0,.28);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Thai","Noto Sans",Helvetica,Arial,sans-serif;line-height:1.65}
img{max-width:100%;display:block;border-radius:12px}
a{color:#d9d3ff;text-decoration:none}
a:hover{opacity:.9}
.small{font-size:.92rem;color:var(--muted)}
.container{max-width:1120px;margin:0 auto;padding:0 16px}
.section{padding:56px 0}
.tag{display:inline-block;border:1px solid var(--soft);background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.00));padding:6px 10px;border-radius:999px;font-size:.85rem;color:var(--muted)}
.h1{font-size:clamp(28px,4vw,44px);line-height:1.15;margin:10px 0 14px}
.h2{font-size:clamp(22px,3.2vw,32px);margin:0 0 12px}
.lead{font-size:1.08rem;color:#dfe2ff;max-width:760px}
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:12px 18px;background:var(--acc);color:#0d0d19;font-weight:700;box-shadow:var(--shadow);border:none;cursor:pointer}
.btn.ghost{background:transparent;border:1px solid var(--soft);color:var(--text)}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--soft);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:transform .2s ease}
.card:hover{transform:translateY(-2px)}
.badge{padding:6px 10px;border-radius:10px;background:#12162c;border:1px solid var(--soft);font-size:.8rem;color:var(--muted)}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#11152b;border:1px solid var(--soft);padding:2px 8px;border-radius:8px;color:#c8ceff}

header{position:sticky;top:0;z-index:50;background:rgba(10,12,26,.65);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.navbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:40px;height:40px;border-radius:12px;background:radial-gradient(60% 60% at 50% 40%, #a999ff 10%, #7c5cff 40%, #4a2bff 70%, #1b1550 100%);border:1px solid #9a8bff}
.brand h1{font-size:1.1rem;margin:0;letter-spacing:.5px}
.nav{display:flex;align-items:center;gap:8px}
.nav a{padding:10px 12px;border-radius:10px}
.nav a.active,.nav a:hover{background:#12162c;border:1px solid var(--soft)}
.nav .cta{margin-left:8px}

.hamburger{display:none;gap:8px;align-items:center;border:1px solid var(--soft);background:#12162c;border-radius:12px;padding:8px 10px;color:var(--text)}
.mobile-panel{display:none;background:#0c1026;border-bottom:1px solid var(--soft);box-shadow:var(--shadow);overflow:hidden;max-height:0;transition:max-height .35s ease}
.mobile-panel.open{display:block;max-height:420px}
.mobile-panel a{display:block;padding:12px 16px;border-top:1px solid rgba(255,255,255,.06)}

.hero{padding:56px 0 24px}
.hero-wrap{display:grid;gap:24px;grid-template-columns:1.2fr .8fr;align-items:center}
.hero figure{margin:0}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}

.list{display:grid;gap:10px}
.list li{display:flex;gap:10px;align-items:flex-start}
.list li::before{content:"✨";margin-top:2px}

.process{counter-reset:step}
.step{display:flex;gap:12px;align-items:flex-start}
.step .num{counter-increment:step;flex:0 0 36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:#12162c;border:1px solid var(--soft);font-weight:700}
.step+.step{margin-top:14px}

footer{border-top:1px solid var(--soft);background:#0c1026}
.footer-grid{display:grid;gap:18px;grid-template-columns:2fr 1fr 1fr}
.footer small{color:var(--muted)}

.notice{background:#0c281e;border:1px solid rgba(35,196,131,.35);color:#caffea;padding:10px 12px;border-radius:10px}
.safe{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:8px}

@media (max-width: 980px){
  .hero-wrap{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
}

@media (max-width: 768px){
  .nav{display:none}
  .hamburger{display:flex}
}