:root{
  --bg:#0b1220;
  --card:#0f1b33;
  --card2:#0c162b;
  --text:#e8eefc;
  --muted:#b6c4e4;
  --muted2:#89a0d1;
  --line:rgba(255,255,255,.08);
  --brand:#3b82f6;
  --brand2:#22c55e;
  --warn:#f59e0b;
  --shadow: 0 20px 40px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 14px;
  --max: 1120px;
  --pad: 18px;
  --pad2: 14px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";

  /* header sizing */
  --navH: 56px;  /* header row height */
  --ctlH: 44px;  /* control height: menu/search/button */
}

*{box-sizing:border-box}

body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(59,130,246,.35), transparent 60%),
    radial-gradient(900px 600px at 10% 10%, rgba(34,197,94,.22), transparent 55%),
    linear-gradient(180deg, #070c18, #050914 60%, #040812);
  color:var(--text);
  line-height:1.55;
}

a{color:inherit; text-decoration:none}
.wrap{max-width:var(--max); margin:0 auto; padding:0 18px}

/* =========================
   HEADER
========================= */
.header{
  position: sticky;
  top: 0;
  z-index: 50;

  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);

  background: rgba(6, 10, 22, .62);
  border-bottom: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding: 12px 0;
  min-height: var(--navH);
}

/* Brand */
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 220px;
}

.logo-img{
  width: 40px;
  height: 40px;
  border-radius: 14px;

  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  padding: 6px;

  box-shadow:
    0 14px 30px rgba(59,130,246,.16),
    0 10px 24px rgba(34,197,94,.10);
}

.brand-text{display:flex; flex-direction:column; line-height:1.05}
.brand-name{font-size:14px; font-weight:900; letter-spacing:.2px; color:var(--text)}
.brand-sub{font-size:12px; color:var(--muted); font-weight:800; margin-top:4px}

/* Desktop nav links */
.nav-links{
  display:none;
  gap: 8px;
  color: var(--muted);
  font-weight: 900;
  font-size: 14px;

  /* IMPORTANT: keep all items aligned */
  align-items: center;
}

.nav-links a{
  display:flex;
  align-items:center;
  justify-content:center;

  min-height: var(--ctlH);
  padding: 0 14px;

  border-radius: 999px;
  transition: background .12s ease, color .12s ease, transform .12s ease;

  /* allow 2-line items but keep centered */
  white-space: normal;
  text-align: center;
  line-height: 1.15;
}

.nav-links a:hover{
  color: var(--text);
  background: rgba(255,255,255,.06);
  transform: translateY(-1px);
}

/* Active pill */
.nav-links a.active{
  color: var(--text);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
}

/* Right area */
.nav-right{
  display:flex;
  align-items:center;
  gap:10px;
}

/* Search */
.search{
  display:none;
  align-items:center;
  gap:10px;

  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  border-radius: 999px;

  min-height: var(--ctlH);
  padding: 0 14px;
  min-width: 340px;
  color: var(--muted);
}

.search-ico{opacity:.85}

.search input{
  width:100%;
  height: var(--ctlH);
  line-height: var(--ctlH);
  background:transparent;
  border:0;
  outline:0;
  color: var(--text);
  font-size:14px;
}

.search input::placeholder{
  color: rgba(182,196,228,.7);
}

/* Buttons */
.btn{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: var(--text);

  min-height: var(--ctlH);
  padding: 0 14px;

  border-radius: 999px;
  font-weight: 900;
  font-size: 14px;
  display:inline-flex;
  gap:10px;
  align-items:center;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}

.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
}

.btn.primary{
  border: 0;
  background: linear-gradient(135deg, rgba(59,130,246,1), rgba(34,197,94,1));
  box-shadow: 0 18px 35px rgba(59,130,246,.18);
}

/* Mobile menu */
.mobile-btn{display:inline-flex}

.mobile-drawer{
  display:none;
  border-top: 1px solid rgba(255,255,255,.10);
  padding: 10px 0 14px;
}

.mobile-drawer a{
  display:block;
  padding: 10px 0;
  color: var(--muted);
  font-weight: 900;
}

.mobile-drawer a:hover{color: var(--text)}

/* =========================
   HERO
========================= */
.hero{ padding:38px 0 18px; }

.hero-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:16px;
  align-items:stretch;
}

.hero-card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.hero-inner{
  padding:24px;
  display:grid;
  gap:14px;
}

.badge{
  display:inline-flex;
  gap:10px;
  align-items:center;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  padding:8px 12px;
  border-radius: 999px;
  font-weight:700;
  font-size:12px;
  color:var(--muted);
  width:fit-content;
}

.title{
  font-size:32px;
  line-height:1.15;
  margin:0;
  letter-spacing:.2px;
}

.subtitle{
  margin:0;
  color:var(--muted);
  font-size:15px;
  max-width: 62ch;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding-top:6px;
}

/* =========================
   SECTIONS / CARDS
========================= */
.quick{ padding:18px 0 8px; }

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  margin:0 0 10px;
}

.section-head h2{
  margin:0;
  font-size:18px;
  letter-spacing:.2px;
}

.section-head p{
  margin:0;
  color:var(--muted);
  font-size:13px;
}

.grid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}

.card{
  background: rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius: var(--radius2);
  padding:16px;
  transition: transform .12s ease, background .12s ease;
}

.card:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,.055);
}

.card .top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:10px;
}

.tag{
  font-size:12px;
  font-weight:800;
  padding:6px 10px;
  border-radius: 999px;
  border:1px solid var(--line);
  color:var(--muted);
  background: rgba(255,255,255,.03);
}

.tag.green{border-color: rgba(34,197,94,.28); color: rgba(205,255,225,.92)}
.tag.blue{border-color: rgba(59,130,246,.3); color: rgba(210,230,255,.95)}
.tag.amber{border-color: rgba(245,158,11,.32); color: rgba(255,237,196,.96)}

.card h3{
  margin:0 0 6px;
  font-size:16px;
  letter-spacing:.2px;
}

.card p{
  margin:0 0 12px;
  color:var(--muted);
  font-size:13px;
}

.card .cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  color:var(--muted2);
  font-weight:800;
  font-size:13px;
}

/* =========================
   TRUST STRIP
========================= */
.trust{ padding:16px 0; }

.trustbar{
  display:grid;
  grid-template-columns: 1fr;
  gap:10px;
  background: rgba(0,0,0,.18);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:14px;
}

.trustitem{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:10px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.05);
}

.dot{
  width:12px;
  height:12px;
  border-radius:999px;
  margin-top:4px;
  background: var(--brand2);
  box-shadow: 0 0 0 6px rgba(34,197,94,.12);
}

.trustitem b{display:block; margin-bottom:3px}
.trustitem span{color:var(--muted); font-size:13px}

/* =========================
   LIST / COLS
========================= */
.cols{
  display:grid;
  grid-template-columns: 1fr;
  gap:12px;
  padding:14px 0 18px;
}

.list{
  display:grid;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}

.list a{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
  padding:12px 12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
}

.list a:hover{background: rgba(255,255,255,.05)}

.list .meta{
  color:var(--muted);
  font-size:12px;
  margin-top:2px;
}

.pill{
  font-size:11px;
  font-weight:900;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--muted);
  background: rgba(255,255,255,.03);
  white-space:nowrap;
  height:fit-content;
}

/* =========================
   FOOTER
========================= */
.footer{
  padding:26px 0 40px;
  border-top:1px solid var(--line);
  color:var(--muted);
  background: rgba(0,0,0,.12);
}

.footer .fgrid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}

.footer a{color:var(--muted)}
.footer a:hover{color:var(--text)}

/* =========================
   RESPONSIVE
========================= */
@media (min-width: 900px){
  .nav-links{display:flex}
  .search{display:flex}
  .mobile-btn{display:none}

  .hero-grid{grid-template-columns: 1.25fr .75fr}
  .grid{grid-template-columns: repeat(3, 1fr)}
  .trustbar{grid-template-columns: repeat(3, 1fr)}
  .cols{grid-template-columns: 1fr 1fr}
  .footer .fgrid{grid-template-columns: 1.2fr 1fr 1fr}

  .title{font-size:42px}
  .hero{padding:54px 0 18px}
}

.nav-links a{ white-space: nowrap; }
.btn { white-space: nowrap; }

/* ===== HEADER FIX (Grid 3 columns) ===== */
.header{ position:sticky; top:0; z-index:50; }

.header .nav{
  display:grid;
  grid-template-columns: auto 1fr auto; /* brand | menu | right */
  align-items:center;
  gap:14px;
  padding:12px 0;
  min-height: var(--navH);
}

/* Brand */
.header .brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 240px;
  flex:0 0 auto;
}

.header .logo-img{
  width:40px;height:40px;border-radius:14px;
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  padding:6px;
}

/* Center menu */
.header .nav-links{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  min-width:0;                /* quan trọng: tránh đẩy layout */
}

.header .nav-links a{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height: var(--ctlH);
  padding: 0 14px;
  border-radius: 999px;
  font-weight:900;
  color: var(--muted);
  line-height:1.15;
  text-align:center;
  white-space: nowrap;        /* ✅ ép 1 dòng để không méo hàng */
}

.header .nav-links a:hover{
  color: var(--text);
  background: rgba(255,255,255,.06);
}

.header .nav-links a.active{
  color: var(--text);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
}

/* Right controls */
.header .nav-right{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
  min-width: 320px;
}

.header .search{
  display:flex;
  align-items:center;
  gap:10px;
  min-height: var(--ctlH);
  padding: 0 14px;
  min-width: 420px;           /* rộng hơn cho giống ảnh */
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  border-radius:999px;
}

.header .search input{
  width:100%;
  height: var(--ctlH);
  line-height: var(--ctlH);
  background:transparent;
  border:0;
  outline:0;
  color:var(--text);
}

/* Desktop / Mobile rules */
@media (max-width: 1100px){
  .header .search{ min-width: 300px; }
  .header .nav-right{ min-width: 240px; }
  .header .brand{ min-width: 200px; }
}

@media (max-width: 900px){
  .header .nav{
    grid-template-columns: auto auto; /* brand | right */
  }
  .header .nav-links{ display:none; }
  .header .search{ display:none; }
  .header .mobile-btn{ display:inline-flex; }
}

@media (min-width: 901px){
  .header .mobile-btn{ display:none; }
  .header .mobile-drawer{ display:none !important; }
}

.fake-input{
    width:100%;
    padding:12px 14px;
    border-radius:12px;
    border:1px solid var(--line);
    background: rgba(255,255,255,.04);
    color:var(--text);
    font-weight:800;
}
label{
    display:block;
    margin-bottom:6px;
    font-size:13px;
    color:var(--muted);
}
.note{
    margin-top:14px;
    padding:12px 14px;
    border-radius:14px;
    background: rgba(245,158,11,.08);
    border:1px solid rgba(245,158,11,.25);
    color: rgba(255,237,196,.95);
    font-size:13px;
}

.pill-card{
    padding:16px;
    border-radius:16px;
    border:1px solid var(--line);
    background: rgba(255,255,255,.04);
}
.pill-card b{display:block;margin-bottom:6px}
.pill-card .big{
    font-size:22px;
    font-weight:900;
    margin-bottom:4px;
}
.pill-card span{color:var(--muted);font-size:13px}
.pill-card.warn{
    border-color: rgba(245,158,11,.3);
    background: rgba(245,158,11,.08);
}

/* drawer default hidden */
.mobile-drawer{
  display: none;
}

/* mobile only */
@media (max-width: 980px){
  .mobile-drawer{
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;              /* tùy chiều cao header */
    padding: 12px;
    background: rgba(10,10,12,.98);
    border-top: 1px solid var(--line);

    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: .18s ease;
    z-index: 9999;
  }

  .mobile-drawer.open{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-drawer a{
    display:block;
    padding: 12px 10px;
    border-radius: 12px;
    color: var(--text);
  }
  .mobile-drawer a:hover{
    background: rgba(255,255,255,.06);
  }
}

/* optional: prevent scroll when drawer open */
.no-scroll { overflow: hidden; }

.header{ position: sticky; top:0; z-index: 10000; }
.nav-right .mobile-btn{ position: relative; z-index: 10001; }