/* ============ NAPELL.BIO — X-style dark theme ============ */
:root{
  --bg:#000;
  --panel:#16181c;
  --panel-2:#1d1f23;
  --border:#2f3336;
  --text:#e7e9ea;
  --muted:#71767b;
  --accent:#1d9bf0;
  --accent-h:#1a8cd8;
  --green:#00ba7c;
  --amber:#ffd400;
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font-family:"Inter","Segoe UI","Noto Kufi Arabic","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
html[dir="rtl"] body{font-family:"Noto Kufi Arabic","Segoe UI","Inter",system-ui,sans-serif;letter-spacing:0}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.page{padding-top:120px;padding-bottom:80px;min-height:70vh}

/* ============ Floating navbar ============ */
.navbar{
  position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:1000;
  width:min(1200px,calc(100% - 28px));
  background:rgba(0,0,0,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--border);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;height:72px;
}
.logo{
  font-size:36px;font-weight:800;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--accent);white-space:nowrap;line-height:1;
  text-shadow:0 0 24px rgba(29,155,240,.35);
}
.logo span{color:#fff}
.logo:hover{text-decoration:none}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none}
.nav-links>li{position:relative}
.nav-links>li>a{
  display:block;padding:10px 14px;border-radius:999px;color:var(--text);
  font-size:15px;font-weight:600;white-space:nowrap;
}
.nav-links>li>a:hover,.nav-links>li>a.active{background:var(--panel-2);color:var(--accent);text-decoration:none}
/* hover dropdown */
.dropdown{
  position:absolute;top:calc(100% + 8px);inset-inline-start:0;min-width:230px;
  background:var(--panel);border:1px solid var(--border);border-radius:14px;
  padding:8px;list-style:none;box-shadow:0 12px 40px rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease;
}
.nav-links li:hover>.dropdown,.dropdown:hover{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{
  display:block;padding:10px 14px;border-radius:8px;color:var(--text);font-size:14px;font-weight:500;
}
.dropdown li a:hover{background:var(--panel-2);color:var(--accent);text-decoration:none}
.lang-btn{
  background:var(--panel-2);border:1px solid var(--border);color:var(--text);
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;
}
.lang-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
/* language dropdown (3 explicit options) */
.lang-wrap{position:relative}
.lang-menu{
  position:absolute;top:calc(100% + 10px);inset-inline-end:0;min-width:185px;
  background:var(--panel);border:1px solid var(--border);border-radius:14px;
  padding:8px;list-style:none;box-shadow:0 12px 40px rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease;z-index:60;
}
.lang-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu button{
  display:flex;align-items:center;justify-content:space-between;width:100%;text-align:start;
  background:none;border:none;color:var(--text);padding:10px 14px;border-radius:8px;
  font-size:14px;font-weight:600;cursor:pointer;
}
.lang-menu button:hover{background:var(--panel-2);color:var(--accent)}
.lang-menu button.active{color:var(--accent)}
.lang-menu .l-code{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.5px}

/* mobile */
.menu-toggle{display:none;background:none;border:1px solid var(--border);color:var(--text);font-size:20px;border-radius:8px;padding:6px 12px;cursor:pointer}
@media(max-width:980px){
  .menu-toggle{display:block}
  .nav-links{
    display:none;position:absolute;top:calc(100% + 10px);inset-inline:0;
    flex-direction:column;background:var(--panel);border:1px solid var(--border);
    border-radius:14px;padding:10px;align-items:stretch;
  }
  .nav-links.open{display:flex}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:var(--bg);border:none;padding-inline-start:14px}
  .navbar{height:64px;padding:0 16px}
  .logo{font-size:24px}
  .lang-btn{font-size:12px;padding:7px 10px}
}

/* ============ Language modal ============ */
.lang-modal-overlay{
  position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.82);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.lang-modal{
  background:var(--panel);border:1px solid var(--border);border-radius:20px;
  max-width:460px;width:100%;padding:44px 36px;text-align:center;
  box-shadow:0 24px 80px rgba(29,155,240,.15);
}
.lang-modal h2{font-size:30px;font-weight:800;margin-bottom:8px;direction:ltr}
.lang-modal .zh{display:block;font-size:20px;color:var(--muted);font-weight:600}
.lang-modal .ar{display:block;font-size:20px;color:var(--muted);font-weight:600;direction:rtl}
.lang-modal p{color:var(--muted);font-size:14px;margin-top:10px;margin-bottom:26px}
.lang-options{display:flex;flex-direction:column;gap:12px}
.lang-options button{
  background:var(--panel-2);border:1px solid var(--border);color:var(--text);
  border-radius:14px;padding:16px;font-size:17px;font-weight:700;cursor:pointer;transition:.15s;
}
.lang-options button:hover{border-color:var(--accent);color:var(--accent);background:rgba(29,155,240,.08)}
.lang-options button small{display:block;font-weight:500;color:var(--muted);font-size:13px}

/* ============ Hero ============ */
.hero{padding:60px 0 30px;text-align:center}
.hero .badge{
  display:inline-block;border:1px solid var(--accent);color:var(--accent);
  border-radius:999px;padding:6px 18px;font-size:13px;font-weight:700;letter-spacing:.5px;margin-bottom:22px;
}
.hero h1{font-size:clamp(34px,5vw,60px);font-weight:800;line-height:1.15;margin-bottom:20px}
.hero h1 .hl{color:var(--accent)}
.hero .sub{color:var(--muted);font-size:clamp(16px,2vw,19px);max-width:760px;margin:0 auto 34px}
.hero .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;border-radius:999px;padding:14px 30px;font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;transition:.15s;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-h);text-decoration:none}
.btn-ghost{border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}

/* ============ Dashboard metric cards ============ */
.section{padding:52px 0}
.section-head{margin-bottom:28px}
.section-head .kicker{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;display:block;margin-bottom:8px}
.section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800}
.section-head p{color:var(--muted);max-width:760px;margin-top:10px}
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-3,.grid-4{grid-template-columns:1fr}}
.metric{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 22px;position:relative;overflow:hidden;transition:.2s;
}
.metric:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 14px 36px rgba(29,155,240,.12)}
.metric .value{font-size:clamp(32px,3.6vw,46px);font-weight:800;color:var(--accent);line-height:1.1;letter-spacing:-.5px}
.metric .value.green{color:var(--green)}
.metric .value.amber{color:var(--amber)}
.metric .label{color:var(--text);font-weight:600;font-size:15px;margin-top:8px}
.metric .note{color:var(--muted);font-size:13px;margin-top:4px}
.metric .icon{position:absolute;top:18px;inset-inline-end:18px;font-size:20px;opacity:.5}

/* stat bar (mini bar chart) */
.stat-row{display:flex;align-items:center;gap:12px;margin-top:10px}
.stat-bar{height:8px;border-radius:99px;background:var(--panel-2);flex:1;overflow:hidden}
.stat-bar>span{display:block;height:100%;border-radius:99px;background:var(--accent)}
.stat-bar>span.green{background:var(--green)}

/* ============ Cards / panels ============ */
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:30px}
.card h3{font-size:21px;font-weight:800;margin-bottom:12px}
.card p{color:var(--muted)}
.card ul.check{list-style:none;margin-top:14px}
.card ul.check li{padding:7px 0;padding-inline-start:26px;position:relative;color:var(--text);font-size:15px}
.card ul.check li::before{content:"✓";position:absolute;inset-inline-start:0;color:var(--green);font-weight:800}
.card.accent{border-color:var(--accent)}

/* ============ Tables ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel)}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
th{background:var(--panel-2);text-align:start;padding:14px 18px;font-weight:700;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.5px}
td{padding:14px 18px;border-top:1px solid var(--border)}
tr:hover td{background:rgba(29,155,240,.04)}
td.win{color:var(--green);font-weight:700}
td.lose{color:var(--muted)}
td.hero-val{color:var(--accent);font-weight:800}

/* ============ Timeline ============ */
.timeline{position:relative;margin-top:30px}
.timeline::before{content:"";position:absolute;inset-inline-start:19px;top:8px;bottom:8px;width:2px;background:var(--border)}
.tl-item{position:relative;padding-inline-start:60px;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;inset-inline-start:0;top:0;width:40px;height:40px;border-radius:50%;
  background:var(--panel);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--accent);font-size:15px;
}
.tl-item h3{font-size:19px;font-weight:800}
.tl-item .time{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;margin-bottom:6px;display:block}
.tl-item p{color:var(--muted);max-width:720px}

/* ============ Value chain ============ */
.chain{display:flex;align-items:stretch;gap:12px;flex-wrap:wrap;margin-top:28px}
.chain-node{
  flex:1;min-width:170px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 18px;text-align:center;position:relative;transition:.2s;
}
.chain-node:hover{border-color:var(--accent);transform:translateY(-4px)}
.chain-node .num{color:var(--accent);font-weight:800;font-size:13px;letter-spacing:1px}
.chain-node h4{font-size:17px;font-weight:800;margin:6px 0}
.chain-node p{color:var(--muted);font-size:13.5px}
.chain-arrow{align-self:center;color:var(--accent);font-size:22px;font-weight:800}
html[dir="rtl"] .chain-arrow{transform:scaleX(-1)}

/* ============ Forms ============ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
@media(max-width:700px){.form-grid{grid-template-columns:1fr}}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:var(--bg);border:1px solid var(--border);border-radius:10px;
  color:var(--text);padding:13px 15px;font-size:15px;font-family:inherit;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(29,155,240,.15)}
.field textarea{min-height:140px;resize:vertical}
.field .err{color:#f4212e;font-size:13px;margin-top:6px;display:none}
.field.invalid input,.field.invalid textarea{border-color:#f4212e}
.field.invalid .err{display:block}

/* toast */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);z-index:1500;
  background:var(--panel);border:1px solid var(--green);color:var(--green);
  border-radius:12px;padding:14px 26px;font-weight:700;opacity:0;pointer-events:none;transition:.25s;
  max-width:90vw;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============ Footer ============ */
footer{border-top:1px solid var(--border);padding:36px 0;margin-top:20px}
footer .inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
footer p{color:var(--muted);font-size:13.5px}
footer .f-links{display:flex;gap:20px;font-size:13.5px}

/* misc */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:800px){.two-col{grid-template-columns:1fr}}
.pill{display:inline-block;background:rgba(0,186,124,.12);color:var(--green);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;margin-inline-end:6px}
.pill.blue{background:rgba(29,155,240,.12);color:var(--accent)}
.note-box{border:1px dashed var(--border);border-radius:12px;padding:16px 20px;color:var(--muted);font-size:14px;margin-top:20px}

/* ============ Login / access gate ============ */
.auth-wrap{max-width:460px;margin:30px auto 0}
.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:46px 36px;text-align:center}
.auth-card .lock-icon{font-size:36px;margin-bottom:14px;display:block}
.auth-card h1{font-size:27px;font-weight:800;margin-bottom:10px}
.auth-card p{color:var(--muted);font-size:14.5px;margin-bottom:24px}
.auth-card .field{text-align:start;margin-bottom:8px}
.auth-card .err{display:block;color:#f4212e;font-size:13px;margin-top:8px;min-height:18px;text-align:start}
.auth-back{display:inline-block;margin-top:20px;color:var(--muted);font-size:13.5px}
.auth-back:hover{color:var(--accent)}