/* Neverfall landing — original layout, shared dark tokens */
:root{
  --bg:#0b0f14;--bg2:#0e141b;--panel:#141b24;--panel2:#18212c;--line:#2a3542;
  --text:#eef2f7;--muted:#93a0b0;--dim:#667282;
  --accent:#9dc4e6;--accent2:#7fb0dd;--ink:#0b0f14;--ok:#8bd5b2;
  --r-lg:20px;--r-md:14px;--shadow:0 24px 70px rgba(0,0,0,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI Variable","Segoe UI","Microsoft YaHei UI",system-ui,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.6;overflow-x:hidden;
  background-image:
    radial-gradient(760px 420px at 88% -6%,rgba(127,176,221,.16),transparent 60%),
    radial-gradient(680px 420px at -8% 12%,rgba(127,176,221,.08),transparent 55%),
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:auto,auto,44px 44px,44px 44px;
}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,92vw);margin:0 auto}
img{max-width:100%}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:40;backdrop-filter:blur(16px);
  background:rgba(11,15,20,.72);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:26px;height:66px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.04em;font-size:18px}
.logo .n{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;color:var(--ink);
  background:linear-gradient(135deg,var(--accent2),var(--accent));font-weight:900}
.nav-links{display:flex;gap:22px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.nav-right{margin-left:auto;display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;border:1px solid var(--line);
  background:var(--panel2);color:var(--text);padding:10px 18px;border-radius:11px;font-size:14px;font-weight:600;
  transition:.16s;font-family:inherit}
.btn:hover{border-color:var(--accent2);transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--accent2),var(--accent));color:var(--ink);border:0;font-weight:800}
.btn.ghost{background:transparent}
.btn.sm{padding:7px 13px;font-size:13px;border-radius:9px}
.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- hero ---------- */
.hero{padding:74px 0 40px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--accent);
  border:1px solid #35506a;background:#101a24;padding:6px 13px;border-radius:999px;margin-bottom:20px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}
.hero h1{font-size:52px;line-height:1.12;font-weight:800;letter-spacing:-.01em}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--accent),#cfe6fb);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:16.5px;margin:18px 0 26px;max-width:520px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.hero-stats{display:flex;gap:30px;flex-wrap:wrap}
.hero-stats .s b{font-size:24px;display:block}
.hero-stats .s span{font-size:12.5px;color:var(--dim)}

/* original abstract mock: stacked floating panels */
.mock{position:relative;height:420px}
.mock .panel{position:absolute;background:linear-gradient(180deg,var(--panel),#10171f);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow)}
.mock .main{inset:26px 8px 26px 40px;padding:18px}
.mock .bar{display:flex;gap:7px;margin-bottom:16px}
.mock .bar i{width:10px;height:10px;border-radius:50%;background:#2c3a49}
.mock .bar i:first-child{background:#e58292}.mock .bar i:nth-child(2){background:#e6c489}.mock .bar i:nth-child(3){background:var(--ok)}
.mock-row{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;background:var(--panel2);
  border:1px solid #232e3a;margin-bottom:9px;font-size:13px}
.mock-row .t{width:30px;height:6px;border-radius:3px;background:#3a4a5c}
.mock-row .t.w2{width:48px}
.mock-row .sw{margin-left:auto;width:30px;height:16px;border-radius:9px;background:linear-gradient(135deg,var(--accent2),var(--accent));position:relative}
.mock-row .sw::after{content:"";position:absolute;right:2px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--ink)}
.mock .float{padding:13px 16px;font-size:12.5px}
.mock .f1{top:-6px;right:0;width:188px;animation:floaty 5s ease-in-out infinite}
.mock .f2{bottom:-8px;left:0;width:206px;animation:floaty 6s ease-in-out infinite reverse}
.mock .float b{color:var(--accent);font-size:18px;display:block}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ---------- section heading ---------- */
.sec{padding:58px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 40px}
.sec-head .k{font-size:12px;letter-spacing:.2em;color:var(--accent);font-weight:700}
.sec-head h2{font-size:34px;font-weight:800;margin:10px 0 10px;letter-spacing:-.01em}
.sec-head p{color:var(--muted);font-size:15px}

/* bento features */
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(150px,auto);gap:16px}
.bento .b{background:linear-gradient(180deg,var(--panel),#10171f);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;position:relative;overflow:hidden;transition:.18s}
.bento .b:hover{border-color:#3c5168;transform:translateY(-3px)}
.bento .b.wide{grid-column:span 2}
.bento .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:18px;margin-bottom:14px;
  background:#162433;border:1px solid #2c445c;color:var(--accent)}
.bento h3{font-size:17px;margin-bottom:7px}
.bento p{color:var(--muted);font-size:13.8px}
.bento .b::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,rgba(127,176,221,.16),transparent 70%)}

/* modules */
.chips{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.chip{padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:var(--panel);font-size:13px;
  color:var(--muted);cursor:pointer;transition:.15s}
.chip.on,.chip:hover{color:var(--text);border-color:var(--accent2);background:#162433}
.mod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:13px}
.mod{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);padding:16px}
.mod .cat{font-size:11px;letter-spacing:.12em;color:var(--accent)}
.mod h4{font-size:15px;margin:5px 0 4px}
.mod p{font-size:12.8px;color:var(--dim);line-height:1.5}
.mod-more{text-align:center;color:var(--muted);font-size:13.5px;margin-top:18px}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;max-width:900px;margin:0 auto}
.plan{background:linear-gradient(180deg,var(--panel),#10171f);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;position:relative;transition:.18s}
.plan:hover{transform:translateY(-4px)}
.plan.featured{border-color:var(--accent2);box-shadow:0 0 0 1px rgba(157,196,230,.18),var(--shadow)}
.plan .ribbon{position:absolute;top:-11px;left:24px;font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--ink);
  background:linear-gradient(135deg,var(--accent2),var(--accent));padding:4px 11px;border-radius:999px}
.plan h3{font-size:19px}
.plan .amt{font-size:36px;font-weight:800;margin:8px 0 2px}.plan .amt small{font-size:13px;color:var(--muted);font-weight:500}
.plan ul{list-style:none;margin:16px 0 20px;display:grid;gap:9px;color:var(--muted);font-size:13.5px}
.plan li::before{content:"◆";color:var(--accent);margin-right:9px;font-size:10px}

/* cta band + footer */
.cta-band{background:linear-gradient(135deg,#15263a,#101a24);border:1px solid #34506b;border-radius:24px;
  padding:52px;text-align:center;margin:30px 0}
.cta-band h2{font-size:30px;margin-bottom:10px}.cta-band p{color:var(--muted);margin-bottom:24px}
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--dim);font-size:13px}
.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* modal */
.back{position:fixed;inset:0;background:rgba(5,8,12,.7);backdrop-filter:blur(7px);display:none;place-items:center;z-index:80}
.back.open{display:grid}
.modal{width:min(430px,93vw);background:linear-gradient(180deg,var(--panel),#0f151c);border:1px solid var(--line);
  border-radius:18px;padding:26px;position:relative;box-shadow:var(--shadow);max-height:90vh;overflow:auto}
.modal .x{position:absolute;top:14px;right:16px;background:none;border:0;color:var(--muted);font-size:22px;cursor:pointer}
.modal h3{font-size:21px;margin-bottom:4px}.modal .hint{color:var(--muted);font-size:13px;margin-bottom:16px}
.fld{margin-bottom:13px}.fld span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.fld input,.fld textarea,.fld select{width:100%;padding:11px 13px;background:var(--panel2);border:1px solid var(--line);
  border-radius:10px;color:var(--text);font-size:14px;outline:none;font-family:inherit}
.fld input:focus{border-color:var(--accent2)}
.code-row{display:grid;grid-template-columns:1fr 104px;gap:9px}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:#0f151c;border:1px solid var(--line);border-radius:11px;padding:4px;margin-bottom:16px}
.seg button{padding:9px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;font-size:13.5px;font-family:inherit}
.seg button.on{background:linear-gradient(135deg,var(--accent2),var(--accent));color:var(--ink);font-weight:700}
.msg{font-size:12.8px;min-height:16px;margin:2px 0 10px}.msg.err{color:#e58292}.msg.ok{color:var(--ok)}
.kv{display:grid;grid-template-columns:96px 1fr;gap:9px 12px;font-size:13.8px;margin-bottom:14px}
.kv dt{color:var(--muted)}.kv dd{margin:0}
.divider{height:1px;background:var(--line);margin:16px 0}
[hidden]{display:none!important}
@media(max-width:900px){.hero{grid-template-columns:1fr}.mock{display:none}.bento{grid-template-columns:1fr}.bento .b.wide{grid-column:span 1}.hero h1{font-size:40px}.nav-links{display:none}}