/* NN One public landing page (marketing front door before /app). */
:root{
  --ink:#201e1b;--muted:#777169;--line:#ece6dd;--paper:#fffdfa;--bg:#f6f3ee;
  --accent:#d76041;--accent-dark:#a8432c;--accent-soft:#fff0e9;--radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:"Noto Sans Thai","Noto Sans KR","Noto Sans Lao","PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;max-width:100%;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;font-weight:700;font-size:14px;cursor:pointer;border:1px solid transparent;padding:10px 18px;font-family:inherit;transition:.15s}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-outline{border-color:var(--accent);color:var(--accent);background:#fff}
.btn-outline:hover{background:var(--accent-soft)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(215,96,65,.28)}
.btn-primary:hover{background:var(--accent-dark)}
.btn-lg{padding:14px 30px;font-size:16px;border-radius:13px}
.btn:disabled{opacity:.6;cursor:not-allowed}

/* ---------- top nav ---------- */
.lp-nav{position:sticky;top:0;z-index:50;background:rgba(255,253,250,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.lp-nav-inner{max-width:1240px;margin:0 auto;padding:0 32px;height:68px;display:flex;align-items:center;gap:18px}
.lp-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.5px;color:var(--ink);white-space:nowrap}
.lp-brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,#ef8e6e,#bc482e);color:#fff;font-size:13px;font-weight:800;letter-spacing:-1px;box-shadow:0 8px 18px rgba(150,68,42,.25)}
.lp-lang{display:flex;align-items:center;gap:6px;height:36px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:13px;font-weight:700;color:var(--muted);cursor:pointer;font-family:inherit}
.lp-nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.lp-nav-link{font-size:14px;font-weight:700;color:var(--muted);padding:8px 6px;cursor:pointer}
.lp-nav-link:hover{color:var(--ink)}

/* ---------- hero ---------- */
.lp-hero{position:relative;overflow:hidden;background:
   radial-gradient(680px 360px at 12% -10%,#ffe3d4 0%,rgba(255,227,212,0) 60%),
   radial-gradient(620px 380px at 96% 0%,#fdeede 0%,rgba(253,238,222,0) 55%),
   linear-gradient(180deg,#fbf7f1,#f6f3ee)}
.lp-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;padding:52px 32px 40px;max-width:1240px;margin:0 auto}
.lp-eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent-dark);background:var(--accent-soft);border:1px solid #f6d3c4;font-weight:800;font-size:12.5px;letter-spacing:.04em;padding:6px 13px;border-radius:999px;margin-bottom:20px}
.lp-hero h1{font-size:clamp(26px,7.2vw,38px);line-height:1.18;letter-spacing:-.02em;margin-bottom:18px;overflow-wrap:break-word;word-break:break-word}
.lp-hero h1 .hl{color:var(--accent-dark)}
.lp-lead{color:#56504a;font-size:15.5px;margin-bottom:14px;overflow-wrap:break-word;word-break:break-word}
.lp-lead b{color:var(--ink)}
.lp-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}
.lp-tags span{font-size:12.5px;font-weight:700;color:#8a4a32;background:#fff;border:1px solid #f0d9cc;border-radius:999px;padding:5px 12px}
.lp-contact-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:6px}
.lp-contact-row .lbl{font-size:13.5px;color:var(--muted)}
.lp-chan{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;color:var(--ink);border-radius:10px;padding:8px 14px;background:#fff;border:1px solid var(--line);text-decoration:none;transition:border-color .18s,transform .18s}
.lp-chan:hover{border-color:var(--accent);transform:translateY(-1px)}
.lp-chan svg{width:17px;height:17px}
.lp-chan img.lp-chan-ico{width:20px;height:20px;border-radius:50%;display:block;flex:none}
.lp-foot-grid .lp-chan{display:flex}
.lp-chan[hidden]{display:none}

/* login card */
.lp-login{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 26px 60px rgba(80,58,40,.14);padding:28px}
.lp-login h2{font-size:20px;margin-bottom:4px}
.lp-login .sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.lp-field{display:block;margin-bottom:14px}
.lp-field>span,.lp-pw-label{display:block;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:6px}
.lp-field input{width:100%;height:46px;border:1px solid var(--line);border-radius:11px;padding:0 14px;font:inherit;font-size:14px;background:#fbf9f6}
.lp-field input:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px #fff0e9}
.lp-pw-line{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.lp-forgot{font-size:12.5px;color:var(--accent-dark);font-weight:700}
.lp-login .btn{width:100%;height:46px}
.lp-or{display:flex;align-items:center;gap:12px;color:#b3aba2;font-size:12px;margin:16px 0}
.lp-or::before,.lp-or::after{content:"";flex:1;height:1px;background:var(--line)}
.lp-gbtn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:46px;border:1px solid var(--line);border-radius:11px;background:#fff;font-weight:700;font-size:14px;cursor:pointer;font-family:inherit}
.lp-gbtn:hover{background:#faf7f2}
.lp-gbtn svg{width:19px;height:19px}
.lp-gbtn[hidden]{display:none}
.lp-to-reg{text-align:center;font-size:13px;color:var(--muted);margin-top:16px}
.lp-to-reg a{color:var(--accent-dark);font-weight:800;cursor:pointer}
.lp-form-msg{font-size:12.5px;min-height:18px;margin:2px 0 8px;color:#b4332a}
.lp-form-msg.ok{color:#1f7a44}

/* ---------- sections ---------- */
.lp-section{padding:34px 0}
.lp-sec-head{text-align:center;max-width:760px;margin:0 auto 26px}
.lp-sec-head h2{font-size:30px;letter-spacing:-.02em;line-height:1.25;margin-bottom:12px}
.lp-sec-head p{color:var(--muted);font-size:15px}

/* fixed platform showcase cards (marketing, always visible) */
.lp-plat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.lp-plat{--bc:#d76041;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 16px 14px;display:flex;flex-direction:column;transition:.18s;box-shadow:0 8px 24px rgba(60,46,34,.05);cursor:pointer;text-align:center;font-family:inherit;color:var(--ink)}
.lp-plat:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(60,46,34,.1);border-color:#f0d2c4}
.lp-pico{display:grid;place-items:center;width:74px;height:74px;border-radius:18px;margin:0 auto;flex:none;overflow:hidden;background:#f1ede7}
.lp-pico img{width:38px;height:38px;object-fit:contain;filter:brightness(0) invert(1)}
.lp-plat h3{font-size:16px;font-weight:800;line-height:1.35;min-height:43px;margin:14px 0 8px;display:flex;align-items:center;justify-content:center}
.lp-plat ul{list-style:none;margin:0;width:100%;text-align:left}
.lp-plat li{font-size:13px;color:#4d4740;line-height:1.9;display:flex;gap:7px;align-items:flex-start}
.lp-ck{font-weight:900;color:var(--bc);flex-shrink:0}
.lp-from{margin-top:auto;padding-top:12px;text-align:center;font-size:13px;font-weight:800;color:var(--accent-dark)}
/* brand tile + check colors */
.lp-plat.fb{--bc:#1877f2}.lp-plat.fb .lp-pico{background:#1877f2;border-radius:20px}
.lp-plat.tk{--bc:#111}.lp-plat.tk .lp-pico{background:#0b0b0b}
.lp-plat.tk .lp-pico img{filter:brightness(0) invert(1) drop-shadow(-1.4px 0 0 #25f4ee) drop-shadow(1.4px 0 0 #fe2c55)}
.lp-plat.tg{--bc:#1f93d6}.lp-plat.tg .lp-pico{background:linear-gradient(135deg,#3cc4f3,#1f93d6)}
.lp-plat.wa{--bc:#1eb855}.lp-plat.wa .lp-pico{background:linear-gradient(135deg,#34d86b,#1eb855);border-radius:22px}
.lp-plat.yt{--bc:#e62117}.lp-plat.yt .lp-pico{background:#ff0000;border-radius:22px}
.lp-plat.x{--bc:#111}.lp-plat.x .lp-pico{background:#000;border-radius:20px}
.lp-plat.li{--bc:#0a66c2}.lp-plat.li .lp-pico{background:#0a66c2;border-radius:16px}
.lp-plat.tr{--bc:#4f6bed}.lp-plat.tr .lp-pico{background:#4f6bed}

/* advantages */
.lp-adv-bg{background:linear-gradient(180deg,#fbf7f1,#f4efe8)}
.lp-adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.lp-adv{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.lp-aico{display:grid;place-items:center;width:48px;height:48px;border-radius:13px;background:var(--accent-soft);color:var(--accent-dark);margin-bottom:14px}
.lp-aico svg{width:25px;height:25px}
.lp-adv h3{font-size:16.5px;margin-bottom:8px}
.lp-adv p{font-size:13px;color:var(--muted)}

/* cta */
.lp-cta{text-align:center;background:linear-gradient(135deg,#2a211c,#3a2a22);color:#fff;border-radius:26px;padding:60px 40px}
.lp-cta h2{font-size:30px;margin-bottom:12px;letter-spacing:-.02em}
.lp-cta p{color:#d8cfc6;margin-bottom:28px;font-size:15px}
.lp-cta .acts{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.lp-cta .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.lp-cta .btn-outline:hover{background:rgba(255,255,255,.1)}

/* footer */
.lp-footer{border-top:1px solid var(--line);background:#fff;margin-top:36px}
.lp-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding:48px 0}
.lp-foot-grid h4{font-size:14px;margin-bottom:14px}
.lp-foot-grid a,.lp-foot-grid p{display:block;font-size:13.5px;color:var(--muted);margin-bottom:9px;cursor:pointer}
.lp-foot-brand p{margin-top:12px;max-width:320px;cursor:default}
.lp-copy{border-top:1px solid var(--line);padding:18px 0;font-size:12.5px;color:#a89f95;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* floating contact */
.lp-float{position:fixed;right:22px;bottom:26px;z-index:60;display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:linear-gradient(145deg,#37b6e8,#1f93cf);color:#fff;box-shadow:0 14px 30px rgba(31,147,207,.4);cursor:pointer}
.lp-float svg{width:26px;height:26px}
.lp-float[hidden]{display:none}

/* register dialog */
.lp-modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px;background:rgba(30,24,20,.45)}
.lp-modal[hidden]{display:none}
.lp-modal-card{background:#fff;border-radius:20px;width:min(420px,100%);padding:28px;box-shadow:0 30px 70px rgba(0,0,0,.25)}
.lp-modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.lp-modal-head h2{font-size:20px}
.lp-x{border:0;background:#f1ede7;width:34px;height:34px;border-radius:9px;cursor:pointer;font-size:18px;color:var(--muted)}

@media(max-width:980px){
  .lp-hero-grid{grid-template-columns:1fr;gap:30px;padding:36px 22px}
  .lp-plat-grid{grid-template-columns:repeat(2,1fr)}
  .lp-adv-grid{grid-template-columns:repeat(2,1fr)}
  .lp-foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .wrap{padding:0 18px}
  /* V84 F-06: keep the whole nav (brand + language + login/register) inside a
     390px viewport so it can never force a horizontal scrollbar. */
  .lp-nav-inner{padding:0 14px;gap:8px;height:60px}
  .lp-brand{font-size:17px;gap:8px}
  .lp-brand-mark{width:30px;height:30px;border-radius:9px;font-size:11px}
  .lp-lang{height:32px;padding:0 8px;font-size:12px;gap:4px}
  .lp-nav-right{gap:8px}
  .lp-nav-right .btn{padding:8px 12px;font-size:13px;border-radius:10px}
  .lp-nav-link{display:none}
  .lp-hero-grid{padding:32px 18px 28px;gap:24px}
  .lp-hero h1{font-size:clamp(24px,7.4vw,29px)}
  .lp-lead{font-size:14.5px}
  .lp-eyebrow{font-size:11.5px;padding:5px 11px;margin-bottom:16px}
  .lp-plat-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .lp-plat{padding:14px 12px 12px;border-radius:14px}
  .lp-pico{width:54px;height:54px;border-radius:14px}
  .lp-pico img{width:28px;height:28px}
  .lp-plat.tk .lp-pico img{filter:brightness(0) invert(1) drop-shadow(-1px 0 0 #25f4ee) drop-shadow(1px 0 0 #fe2c55)}
  .lp-plat h3{font-size:13.5px;min-height:37px;margin:10px 0 6px}
  .lp-plat li{font-size:11.5px;line-height:1.8;gap:5px}
  .lp-from{font-size:11.5px;padding-top:9px}
  .lp-adv-grid{grid-template-columns:1fr}
  .lp-foot-grid{grid-template-columns:1fr}
  .lp-cta{padding:42px 22px}
}