/* ============================================================
   Matrix V2 — Sales Page Styles (Dark Mode / Long-form)
   ============================================================ */
:root{
  --bg:#0a0e17;
  --bg-2:#0d1220;
  --bg-3:#111829;
  --card:#121a2e;
  --card-2:#16203a;
  --line:rgba(255,255,255,.08);
  --text:#e8edf7;
  --muted:#9aa7bd;
  --accent:#6c5ce7;
  --accent-2:#00e5c3;
  --danger:#ff5470;
  --gold:#ffd166;
  --grad:linear-gradient(135deg,#6c5ce7 0%,#00e5c3 100%);
  --radius:16px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --font-head:'Prompt',system-ui,sans-serif;
  --font-body:'Sarabun','Prompt',system-ui,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.logo,.stat-v,.step-n{font-family:var(--font-head)}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
img{max-width:100%}
a{color:var(--accent-2)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-head);font-weight:600;font-size:16px;
  padding:14px 28px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:.25s;white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 10px 30px rgba(108,92,231,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(108,92,231,.5)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent-2);color:var(--accent-2)}
.btn-lg{padding:18px 36px;font-size:18px}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn-arrow{transition:.25s}
.btn-primary:hover .btn-arrow{transform:translateX(4px)}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(10,14,23,.8);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar-in{display:flex;align-items:center;gap:28px;height:66px}
.logo{
  font-weight:800;font-size:20px;color:var(--text);text-decoration:none;letter-spacing:.5px;
  display:flex;align-items:baseline;gap:8px;flex-shrink:0;
}
.logo span{font-size:10px;color:var(--accent-2);letter-spacing:2px;text-transform:uppercase}
.topnav{display:flex;gap:24px;margin-left:auto}
.topnav a{color:var(--muted);text-decoration:none;font-size:15px;font-weight:500}
.topnav a:hover{color:var(--text)}
@media(max-width:860px){.topnav{display:none}}
@media(max-width:520px){.topbar .btn{display:none}}

/* ---------- Hero ---------- */
.hero{
  padding:88px 0 64px;position:relative;
  background:
    radial-gradient(800px 400px at 80% -10%,rgba(108,92,231,.22),transparent 60%),
    radial-gradient(700px 380px at 10% 10%,rgba(0,229,195,.12),transparent 60%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}}
.badge{
  display:inline-block;padding:7px 16px;border-radius:999px;
  background:rgba(108,92,231,.15);border:1px solid rgba(108,92,231,.4);
  color:#c6b8ff;font-size:13px;font-weight:600;margin-bottom:20px;
}
h1{font-size:clamp(34px,5vw,56px);line-height:1.18;font-weight:800;letter-spacing:-.5px}
.lead{color:var(--muted);font-size:18.5px;margin:20px 0 30px;max-width:560px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{margin-top:24px;color:var(--muted);font-size:14px}
.hero-visual{min-width:0}

/* Mock window (จำลองโปรแกรมของระบบ) */
.mock-window{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.mock-bar{
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  background:var(--bg-3);border-bottom:1px solid var(--line);
}
.dot{width:11px;height:11px;border-radius:50%}
.dot.red{background:#ff5f57}.dot.yellow{background:#febc2e}.dot.green{background:#28c840}
.mock-url{
  margin-left:8px;flex:1;background:var(--bg-2);border:1px solid var(--line);
  border-radius:8px;padding:4px 12px;font-size:12px;color:var(--muted);
  font-family:ui-monospace,monospace;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.mock-live{font-size:11px;color:var(--accent-2);font-weight:700;letter-spacing:1px}
.mock-body{padding:18px}
.mock-stats{display:flex;gap:14px;margin-bottom:14px}
.mock-stats div{
  flex:1;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:12px;text-align:center;
}
.mock-stats b{display:block;font-family:var(--font-head);font-size:22px;color:var(--accent-2)}
.mock-stats small{color:var(--muted);font-size:11px;letter-spacing:.5px}
.mock-feed{
  list-style:none;height:190px;overflow:hidden;background:var(--bg-2);
  border:1px solid var(--line);border-radius:10px;padding:6px 0;
  font-family:ui-monospace,monospace;font-size:12.5px;
}
.mock-feed.big{height:230px}
.mock-feed li{
  display:flex;justify-content:space-between;gap:10px;padding:4px 14px;
  color:var(--muted);animation:fadeIn .4s ease;
  border-bottom:1px dashed rgba(255,255,255,.05);
}
.mock-feed li .ref{color:#7fb2ff;max-width:55%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mock-feed li .t{color:#5d6b85;font-size:11px;flex-shrink:0}
.mock-feed li .country{color:var(--gold)}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.mock-status{
  margin-top:12px;font-size:12.5px;color:var(--muted);
  font-family:ui-monospace,monospace;
}
.mock-status .ok{color:var(--accent-2);font-weight:700}
.mock-status .flash{animation:flashBg .5s}
@keyframes flashBg{0%{background:rgba(0,229,195,.25)}100%{background:transparent}}

/* ---------- Section shells ---------- */
.section{padding:88px 0}
.sec-head{text-align:center;margin-bottom:52px}
.sec-title{font-size:clamp(26px,3.6vw,38px);font-weight:700;line-height:1.3;letter-spacing:-.3px}
.sec-sub{color:var(--muted);margin-top:14px;font-size:17.5px}
.narrow .sec-head{text-align:left}

/* ---------- Stats strip ---------- */
.stats-strip{
  border-block:1px solid var(--line);
  background:var(--bg-2);
  padding:34px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
@media(max-width:640px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
.stat-v{font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--accent-2)}
.stat-l{color:var(--muted);font-size:14px;margin-top:2px}

/* ---------- Problem ---------- */
.problem{background:var(--bg-2)}
.problem-list{display:grid;gap:14px;margin-top:36px}
.problem-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:18px 22px;color:#c9d3e6;
}
.problem-item .x{
  width:26px;height:26px;border-radius:50%;background:rgba(255,84,112,.15);
  color:var(--danger);font-weight:700;display:grid;place-items:center;font-size:13px;flex-shrink:0;margin-top:3px;
}

/* ---------- Features ---------- */
.features{background:radial-gradient(900px 500px at 50% 0,rgba(108,92,231,.08),transparent 70%)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:960px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.features-grid{grid-template-columns:1fr}}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:.3s;position:relative;overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;background:var(--grad);
  opacity:0;transition:.3s;
}
.feature-card:hover{transform:translateY(-5px);border-color:rgba(108,92,231,.45);box-shadow:var(--shadow)}
.feature-card:hover::before{opacity:1}
.f-icon{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:26px;
  background:rgba(108,92,231,.14);border:1px solid rgba(108,92,231,.3);margin-bottom:18px;
}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:15.3px}
.features-foot{margin-top:44px;text-align:center;color:var(--muted);font-size:14.5px}

/* ---------- How / steps ---------- */
.how{background:var(--bg-2)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
@media(max-width:820px){.steps-grid{grid-template-columns:1fr}}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;position:relative;
}
.step-n{
  width:44px;height:44px;border-radius:50%;background:var(--grad);
  display:grid;place-items:center;font-weight:800;font-size:19px;color:#fff;margin-bottom:18px;
}
.step h3{font-size:18px;margin-bottom:10px}
.step p{color:var(--muted);font-size:15.3px}

/* ---------- Preview demo ---------- */
.preview .demo{
  display:block;margin:0 auto;
}
.preview .mock-body{display:grid;grid-template-columns:280px 1fr;gap:18px}
@media(max-width:760px){.preview .mock-body{grid-template-columns:1fr}}
.mock-side{display:grid;gap:14px;align-content:start}
.side-block{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:16px}
.side-block h4{font-size:13px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;margin-bottom:10px}
.side-file{font-family:ui-monospace,monospace;font-size:13px;color:#7fb2ff;margin-bottom:6px}
.side-count{font-family:var(--font-head);font-size:34px;font-weight:800;color:var(--gold)}
.side-ok{font-size:12px;color:var(--muted)}
.mock-main{min-width:0}

/* ---------- Promo video (หน้าภาษาไทย) ---------- */
.video-frame{
  max-width:860px;margin:0 auto;
  background:var(--card);border:1px solid rgba(108,92,231,.45);
  border-radius:20px;padding:14px;
  box-shadow:var(--shadow);
}
.promo-video{
  display:block;width:100%;border-radius:12px;
  aspect-ratio:16/9;background:#000;object-fit:contain;
}
.hero-video{padding:10px;border-radius:16px}
.hero-video .promo-video{border-radius:10px}
@media(max-width:600px){.hero-video{padding:6px}}
@media(max-width:600px){.video-frame{padding:8px;border-radius:14px}}

/* ---------- Pricing ---------- */
.pricing{background:radial-gradient(700px 400px at 50% 30%,rgba(0,229,195,.06),transparent 70%)}
.price-box{
  max-width:560px;margin:0 auto;background:var(--card-2);
  border:1px solid rgba(108,92,231,.5);border-radius:24px;padding:44px 40px;
  box-shadow:0 0 0 4px rgba(108,92,231,.08),var(--shadow);text-align:center;position:relative;
}
.price-badge{
  position:absolute;top:-16px;left:50%;transform:translateX(-50%);
  background:var(--grad);color:#fff;font-family:var(--font-head);
  font-weight:700;font-size:13px;letter-spacing:1px;
  padding:8px 20px;border-radius:999px;white-space:nowrap;
}
.price-line{display:flex;align-items:flex-end;justify-content:center;gap:10px;margin:8px 0 4px}
.price-line .cur{font-family:var(--font-head);font-size:38px;font-weight:800;color:var(--accent-2);margin-bottom:14px}
.price-line .amount{font-family:var(--font-head);font-size:92px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.price-line .once{text-align:left;color:var(--muted);font-size:13.5px;line-height:1.5;margin-bottom:14px}
.price-note{color:var(--accent-2);font-size:14.5px;margin-bottom:26px}
.price-list{list-style:none;text-align:left;display:grid;gap:11px;margin:0 0 32px}
.price-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px}
.price-list .ok{
  color:var(--accent-2);font-weight:800;flex-shrink:0;
  width:22px;height:22px;border-radius:50%;background:rgba(0,229,195,.12);
  display:grid;place-items:center;font-size:12px;margin-top:2px;
}
.price-safe{margin-top:16px;color:var(--muted);font-size:13px}
@media(max-width:560px){.price-box{padding:36px 22px}.price-line .amount{font-size:70px}}

/* ---------- Order form ---------- */
.order{background:var(--bg-2)}
.order-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:44px 40px;box-shadow:var(--shadow);
}
.order-card h2{font-size:26px;margin-bottom:8px;text-align:center}
.order-card .sec-sub{text-align:center;margin-bottom:30px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;color:var(--muted);margin-bottom:7px;font-weight:600}
.form-row input{
  width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;
  color:var(--text);padding:13px 16px;font-size:16px;font-family:var(--font-body);
  transition:border-color .2s;
}
.form-row input:focus{outline:none;border-color:var(--accent)}
.form-status{margin-top:14px;text-align:center;font-size:14.5px;min-height:22px}
.form-status.ok{color:var(--accent-2)}
.form-status.err{color:var(--danger)}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.order-card form{position:relative}
#leadBtn{margin-top:6px}
#leadBtn[disabled]{opacity:.6;cursor:wait}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;margin-top:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:.25s;
}
.faq-item[open]{border-color:rgba(108,92,231,.45)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  font-family:var(--font-head);font-weight:600;font-size:16.5px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .chev{color:var(--accent-2);transition:.25s;flex-shrink:0}
.faq-item[open] .chev{transform:rotate(180deg)}
.faq-a{padding:0 24px 22px;color:var(--muted);font-size:15.5px;border-top:1px dashed var(--line);padding-top:16px}

/* ---------- Final CTA ---------- */
.final{text-align:center;background:radial-gradient(600px 300px at 50% 100%,rgba(108,92,231,.15),transparent 70%)}
.final-title{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.25}
.final-sub{color:var(--muted);margin:16px 0 34px;font-size:18px}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);background:var(--bg-2);padding:44px 0 30px}
.footer-in{display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap;align-items:flex-start}
.foot-contact{color:var(--muted);font-size:14.5px;margin-top:8px}
.foot-contact a{color:var(--accent-2)}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{color:var(--muted);text-decoration:none;font-size:14.5px}
.foot-links a:hover{color:var(--text)}
.foot-note{text-align:center;color:#5d6b85;font-size:13px;margin-top:28px}

/* ---------- Language switcher ---------- */
.lang-switch{
  display:flex;align-items:center;gap:6px;flex-shrink:0;
  font-family:var(--font-head);font-size:13px;font-weight:600;
}
.lang-switch a{
  color:var(--muted);text-decoration:none;padding:5px 10px;border-radius:8px;
  border:1px solid transparent;transition:.2s;
}
.lang-switch a:hover{color:var(--text)}
.lang-switch a.on{color:var(--accent-2);border-color:rgba(0,229,195,.4);background:rgba(0,229,195,.08)}
.lang-switch span{color:#3d4a63}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;transition-delay:var(--d,0ms)}
.reveal.in{opacity:1;transform:none}

/* สลับภาษาบนมือถือ: ย้าย switcher ต่อท้าย topnav ที่ซ่อนได้ */
@media(max-width:640px){.lang-switch{margin-left:auto}}

/* Sticky CTA (mobile) */
.sticky-cta{display:none}
@media(max-width:640px){
  body{padding-bottom:74px}
  .sticky-cta{
    display:block;position:fixed;bottom:0;left:0;right:0;z-index:60;
    background:rgba(10,14,23,.92);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);padding:12px 16px;
  }
  .sticky-cta .btn{width:100%}
}