/* TB688 design system — dark violet/pink theme (look reference: pg1133.best)
   Same class names as the previous light build, so fragments stay valid:
   only tokens + hardcoded colours changed, layout untouched. */
:root{
  --bg:#070a1c; --surface:#141130; --surface-2:#1b1740; --text:#e6e9f7; --heading:#ffffff;
  --muted:#a6aed2;
  --primary:#7c3aed; --primary-2:#a855f7; --primary-ink:#ffffff;
  --accent:#ec4899; --gold:#fbbf24; --green:#22c55e;
  --on-primary:#ffffff; --border:rgba(255,255,255,.10); --border-2:rgba(124,58,237,.35);
  --shadow:0 18px 44px rgba(2,2,20,.55);
  --glow:0 10px 28px rgba(124,58,237,.42);
  --radius:18px; --radius-sm:12px; --pill:50px;
  --nav-h:66px; --cta-h:74px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--text);
  background:radial-gradient(1200px 620px at 78% -8%,rgba(124,58,237,.30),transparent 62%),
             radial-gradient(900px 520px at 8% 12%,rgba(236,72,153,.16),transparent 60%),
             var(--bg);
  background-attachment:fixed;
  font-family:'Sarabun',-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:17px;line-height:1.75;padding-bottom:var(--cta-h);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--primary-2)}
h1,h2,h3,h4{color:var(--heading);font-weight:800;line-height:1.35;margin:0 0 .6rem}
h1{font-size:clamp(1.85rem,4.4vw,3.4rem);letter-spacing:-.5px}
h2{font-size:clamp(1.4rem,2.9vw,2.15rem)}
h3{font-size:clamp(1.1rem,1.9vw,1.35rem);font-weight:700}
p{margin:0 0 1rem}
.wrap{width:min(1180px,92%);margin-inline:auto}
.sec{padding:56px 0}
.sec--tight{padding:36px 0}
.sec--dark{background:linear-gradient(160deg,#0b0725,#1b1044 55%,#321a5e);color:#e2e2fb;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.sec--dark h2,.sec--dark h3{color:#fff}
.sec--dark p{color:#c3bfe6}
.sec--band{background:linear-gradient(120deg,#2a0f52,#7c3aed 55%,#ec4899)}
.sec--band h2{color:#fff}
.eyebrow{display:inline-block;background:rgba(124,58,237,.22);color:#d8c7ff;font-weight:700;
  font-size:.85rem;padding:6px 16px;border-radius:var(--pill);margin-bottom:14px;
  border:1px solid var(--border-2)}
.sec--dark .eyebrow,.sec--band .eyebrow{background:rgba(255,255,255,.14);color:#f3e8ff}
.lead{font-size:1.08rem;color:var(--muted)}
.sec--dark .lead{color:#c3bfe6}

/* --- buttons --- */
.btn{display:inline-flex;align-items:center;gap:.5rem;justify-content:center;white-space:nowrap;
  font-weight:700;border-radius:var(--pill);padding:13px 30px;border:2px solid transparent;
  cursor:pointer;transition:.18s transform,.18s box-shadow;font-size:1rem}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(120deg,#7c3aed,#ec4899);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{color:#fff}
.btn-ghost{background:transparent;border-color:var(--primary-2);color:#d8c7ff}
.btn-white{background:#fff;color:#2a0f52}
.btn-gold{background:linear-gradient(120deg,#fbbf24,#f59e0b);color:#3b2200}
.btn-lg{padding:16px 38px;font-size:1.08rem}
.btn-block{width:100%}
.sec--dark a.btn-ghost,.sec--band a.btn-ghost{border-color:#e9d5ff;color:#f3e8ff}
.sec--dark a.btn-white,.sec--band a.btn-white{color:#2a0f52}

/* --- navbar --- */
.topbar{background:linear-gradient(90deg,#1a0b3a,#4c1d95);color:#ede9fe;font-size:.86rem}
.topbar .wrap{display:flex;align-items:center;gap:14px}
.topbar ul{list-style:none;display:flex;gap:18px;margin:0;padding:8px 0;flex-wrap:wrap}
.topbar ul.auth{margin-left:auto;gap:16px}
.topbar ul.auth a{color:#ede9fe;text-decoration:none;font-weight:600;white-space:nowrap}
.topbar ul.auth a:hover{color:#f9a8d4;text-decoration:underline}
.nav{position:sticky;top:0;z-index:1030;background:rgba(9,8,28,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav .wrap{display:flex;align-items:center;gap:18px;min-height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:#fff;flex:0 0 auto;white-space:nowrap;text-decoration:none}
.brand img{height:38px;width:auto}
.brand small{display:block;font-size:.68rem;font-weight:600;color:#b9a7e8;letter-spacing:.5px}
.nav ul{display:flex;gap:2px;list-style:none;margin:0 0 0 auto;padding:0;flex-wrap:wrap;justify-content:flex-end;row-gap:2px}
.nav ul a{padding:8px 11px;border-radius:var(--pill);font-weight:600;font-size:.9rem;color:#dfdcff;white-space:nowrap;display:inline-block}
.nav ul a:hover{background:rgba(124,58,237,.28);color:#fff}
.nav ul a[aria-current="page"]{color:#fff;background:rgba(124,58,237,.34)}
.nav .btn{padding:10px 22px;font-size:.95rem}
.burger{display:none;background:none;border:1px solid var(--border);border-radius:10px;
  padding:8px 12px;font-size:1.2rem;color:#fff;cursor:pointer}
@media(max-width:991px){
  .nav ul{display:none;position:absolute;top:100%;left:0;right:0;background:#0d0b26;
    flex-direction:column;padding:10px 4%;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
  .nav ul.open{display:flex}
  .burger{display:block;margin-left:auto}
  .nav .btn{display:none}
}

/* --- hero --- */
.hero{position:relative;padding:64px 0 56px;overflow:hidden;
  background:radial-gradient(1000px 460px at 82% -10%,rgba(236,72,153,.34),transparent 62%),
             radial-gradient(760px 420px at 12% 8%,rgba(124,58,237,.34),transparent 60%),
             linear-gradient(180deg,#0b0726,#070a1c)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero .wrap>*{min-width:0}
.hero h1 span{background:linear-gradient(120deg,#a855f7,#ec4899);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.hero ul.ticks{list-style:none;padding:0;margin:0 0 22px}
.hero ul.ticks li{padding-left:30px;position:relative;margin-bottom:8px;font-weight:600}
.hero ul.ticks li::before{content:"\2714";position:absolute;left:0;color:#22c55e;font-weight:800}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.hero-media{position:relative}
.hero-media img{border-radius:22px;box-shadow:0 24px 60px rgba(2,2,20,.6);width:100%;
  border:1px solid var(--border-2)}
.hero-media .badge-float{position:absolute;bottom:16px;left:-14px;background:var(--surface-2);
  border:1px solid var(--border-2);border-radius:16px;padding:12px 18px;box-shadow:var(--shadow);
  font-weight:700;font-size:.92rem;color:#fff}
.hero-media .badge-float i{color:#f9a8d4}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero-media .badge-float{left:12px}}

/* --- cards / grids --- */
.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)}
@media(max-width:991px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);height:100%}
.card h3{margin-bottom:.4rem}
.card p:last-child{margin-bottom:0}
.card ul{list-style:none;padding:0;margin:0}
.card ul li{display:flex;gap:10px;padding:7px 0;border-bottom:1px dashed var(--border)}
.card ul li:last-child{border-bottom:0}
.card ul li b{flex:0 0 auto;white-space:nowrap;color:#fff}
.card .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(124,58,237,.34),rgba(236,72,153,.26));color:#f9a8d4;
  font-size:1.5rem;margin-bottom:14px;border:1px solid var(--border-2)}
.card--promo{border-top:4px solid var(--accent);position:relative}
.card--promo .ribbon{position:absolute;top:-14px;right:18px;background:var(--gold);color:#3b2200;
  font-weight:800;font-size:.78rem;padding:4px 14px;border-radius:var(--pill)}
.thumb{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  background:var(--surface);box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column}
.thumb img{aspect-ratio:16/10;object-fit:cover;width:100%}
.thumb .body{padding:18px 20px 22px}
.thumb .body p:last-child{margin:0}

/* --- steps --- */
.steps{counter-reset:s;display:grid;gap:18px;grid-template-columns:repeat(4,1fr)}
@media(max-width:991px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.steps{grid-template-columns:1fr}}
.step{background:var(--surface);border-radius:var(--radius);padding:24px 22px 22px;
  border:1px solid var(--border);box-shadow:var(--shadow);position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:22px;
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(120deg,#7c3aed,#ec4899);color:#fff;
  display:grid;place-items:center;font-weight:800;box-shadow:var(--glow)}

/* --- table --- */
.tbl-wrap{overflow-x:auto;background:var(--surface);border-radius:var(--radius);
  border:1px solid var(--border);box-shadow:var(--shadow)}
table.tbl{width:100%;border-collapse:collapse;min-width:560px}
table.tbl th,table.tbl td{padding:14px 18px;border-bottom:1px solid var(--border);text-align:left}
table.tbl thead th{background:linear-gradient(120deg,#2a0f52,#4c1d95);color:#fff;font-weight:700}
table.tbl tbody tr:nth-child(even){background:rgba(255,255,255,.04)}
table.tbl td:first-child{font-weight:600;color:#fff}
table.tbl .yes{color:#34d399;font-weight:800}
table.tbl .no{color:#f87171;font-weight:800}

/* --- faq --- */
.faq{display:grid;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:0}
.faq summary{cursor:pointer;font-weight:700;padding:16px 20px;color:#fff;list-style:none;
  display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\002B";font-size:1.4rem;color:var(--accent);line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq details[open]{border-color:var(--border-2)}
.faq details>div{padding:0 20px 18px;color:var(--muted)}

/* --- pay / trust strip --- */
.pay{display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0;margin:0}
.pay li{background:var(--surface);border:1px solid var(--border);border-radius:var(--pill);
  padding:10px 20px;font-weight:700;font-size:.92rem;display:flex;gap:8px;align-items:center;color:#fff}
.pay li i{color:var(--accent)}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
@media(max-width:640px){.trust{grid-template-columns:repeat(2,1fr)}}
.trust .n{font-size:1.6rem;font-weight:800;
  background:linear-gradient(120deg,#a855f7,#ec4899);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.trust .l{font-size:.9rem;color:var(--muted)}

/* --- testimonials --- */
.quote{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);
  padding:22px;box-shadow:var(--shadow)}
.quote p{font-style:italic}
.quote .who{font-weight:700;color:#fff;font-style:normal;font-size:.92rem}
.stars{color:var(--gold);letter-spacing:2px}

/* --- content prose --- */
.prose{max-width:900px}
.prose h2{margin-top:34px}
.prose h3{margin-top:24px}
.prose ul,.prose ol{padding-left:22px}
.prose ul li,.prose ol li{margin-bottom:8px}
.prose .note{background:linear-gradient(120deg,rgba(124,58,237,.16),rgba(236,72,153,.10));
  border-left:5px solid var(--primary-2);border-radius:var(--radius-sm);padding:16px 20px;margin:22px 0}
.crumbs{font-size:.88rem;color:var(--muted);padding:14px 0}
.crumbs a{color:#d8b4fe}
.crumbs span{margin:0 6px;opacity:.5}
.kv{list-style:none;padding:0;margin:0}
.kv li{display:flex;gap:12px;padding:9px 0;border-bottom:1px dashed var(--border)}
.kv li b{flex:0 0 auto;min-width:132px;color:#fff}

/* --- page hero (sub pages) --- */
.hero-sub{padding:34px 0 30px;
  background:radial-gradient(700px 340px at 80% -20%,rgba(124,58,237,.32),transparent 60%),
             linear-gradient(180deg,#0c0828,#070a1c);
  border-bottom:1px solid var(--border)}
.hero-sub h1{font-size:clamp(1.6rem,3.2vw,2.5rem)}
.hero-sub .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.hero-sub--dark{background:linear-gradient(150deg,#1a0b3e,#3b1170);border-bottom:0}
.hero-sub--dark h1,.hero-sub--dark p{color:#fff}
.hero-sub--dark p{color:#e2d5ff}

/* --- final CTA band --- */
.final{background:linear-gradient(120deg,#4c1d95,#7c3aed 45%,#ec4899);color:#fff;text-align:center;padding:60px 0}
.final h2{color:#fff}
.final p{color:#f6e7ff;max-width:720px;margin:0 auto 22px}
.final .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* --- footer --- */
footer.site{background:#080719;color:#9aa2c6;padding:52px 0 100px;font-size:.94rem;
  border-top:1px solid var(--border)}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:12px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}
@media(max-width:900px){footer.site .cols{grid-template-columns:1fr 1fr}}
@media(max-width:560px){footer.site .cols{grid-template-columns:1fr}}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site ul li{margin-bottom:8px}
footer.site a{color:#c6cdec}
footer.site a:hover{color:#f9a8d4}
footer.site .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:22px;font-size:.85rem}
.age{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;
  border:2px solid #f87171;color:#f87171;font-weight:800;margin-bottom:10px}

/* --- sticky CTA (reference site keeps this in data.js) --- */
.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:2147483000;
  background:rgba(10,8,30,.96);
  backdrop-filter:blur(8px);padding:12px 16px env(safe-area-inset-bottom);display:flex;gap:12px;
  align-items:center;justify-content:center;border-top:1px solid var(--border-2)}
.sticky-cta .txt{color:#ede9fe;font-weight:700;font-size:.95rem;white-space:nowrap}
.sticky-cta .txt small{display:block;font-weight:500;font-size:.78rem;color:#f0abfc}
.sticky-cta .btn{padding:11px 26px}
@media(max-width:640px){.sticky-cta .txt{display:none}}
@media(min-width:901px){.sticky-cta{max-width:700px;left:50%;transform:translateX(-50%);
  border-radius:18px 18px 0 0;bottom:0}}