/* Shared look for the inner pages (login, account, thank-you, privacy, 404) — matches the landing page. */
:root{
  --bg:#ffffff; --bg-soft:#f6f8fa; --ink:#0b1220; --ink-2:#2a3342; --muted:#5d6676; --line:#e7eaf0; --line-2:#d9dee7;
  --brand:#0e9f7e; --brand-deep:#0b7d64; --brand-tint:#e8f7f2;
  --warn:#e5484d; --warn-tint:#fdecec; --yellow:#fff4cc;
  --grad:linear-gradient(135deg,#12b886 0%,#0ea5a4 55%,#0891b2 100%);
  --shadow-sm:0 1px 2px rgba(11,18,32,.05);
  --shadow:0 1px 2px rgba(11,18,32,.04),0 12px 32px -8px rgba(11,18,32,.12);
  --shadow-lg:0 2px 4px rgba(11,18,32,.04),0 30px 60px -24px rgba(11,18,32,.22);
  --head:"Anuphan","IBM Plex Sans Thai",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:"IBM Plex Sans Thai",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}
a{color:inherit}
[hidden]{display:none!important}

.glow{position:fixed;inset:0;pointer-events:none;z-index:-1;overflow:hidden}
.glow::before{content:"";position:absolute;inset:0;background:
  radial-gradient(520px 340px at 12% 0%,rgba(18,184,134,.16),transparent 70%),
  radial-gradient(520px 340px at 90% 0%,rgba(8,145,178,.14),transparent 70%)}
.glow::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:44px 44px;opacity:.5;
  -webkit-mask-image:radial-gradient(ellipse 70% 50% at 50% 0%,#000 25%,transparent 70%);
          mask-image:radial-gradient(ellipse 70% 50% at 50% 0%,#000 25%,transparent 70%)}

.topbar{width:100%;max-width:1120px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--head);font-weight:700;font-size:1.2rem;letter-spacing:-.01em}
.logo img{width:40px;height:40px;display:block;flex:none}
.ghost{font:inherit;font-size:.9rem;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line-2);border-radius:999px;padding:7px 16px;cursor:pointer;text-decoration:none;transition:border-color .15s,box-shadow .15s}
.ghost:hover{border-color:var(--ink-2);box-shadow:var(--shadow-sm)}

h1{font-family:var(--head);font-weight:700;letter-spacing:-.02em;line-height:1.2}
h2{font-family:var(--head);font-weight:700;letter-spacing:-.01em}

.card{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg)}

.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--grad);color:#fff;border:0;font:inherit;font-family:var(--head);font-weight:600;font-size:1.05rem;padding:14px 28px;border-radius:999px;cursor:pointer;text-decoration:none;white-space:nowrap;box-shadow:0 12px 26px -10px rgba(14,159,126,.7),inset 0 1px 0 rgba(255,255,255,.25);transition:transform .18s,box-shadow .18s}
.btn::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .6s}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(14,159,126,.75),inset 0 1px 0 rgba(255,255,255,.25)}
.btn:hover::after{left:120%}
.btn:focus-visible,.ghost:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.btn svg{width:18px;height:18px}
.btn.sm{font-size:.95rem;padding:10px 20px}
.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line-2);box-shadow:var(--shadow-sm)}
.btn.secondary::after{display:none}

.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.site-foot{margin-top:auto;border-top:1px solid var(--line);background:rgba(246,248,250,.7);color:var(--muted);font-size:.82rem}
.site-foot .in{max-width:1120px;margin:0 auto;padding:22px 20px 26px;display:flex;align-items:center;justify-content:space-between;gap:10px 24px;flex-wrap:wrap}
.site-foot nav{display:flex;gap:6px 20px;flex-wrap:wrap}
.site-foot a{text-decoration:none;transition:color .15s}
.site-foot a:hover{color:var(--brand-deep)}
@media (max-width:640px){.site-foot .in{flex-direction:column;text-align:center}.site-foot nav{justify-content:center}}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}