/* ============================================================
   VN MVP Launch · landing.css (Vietnam-style landing page)
   Vietnam e-commerce landing style: bold promos, bright, trust-first, mobile-first
   ============================================================ */

/* ---------- Language switcher ---------- */
.langsw{display:inline-flex;align-items:center;gap:2px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:3px}
.langsw button{border:none;background:none;font-size:12px;font-weight:700;color:var(--sub);padding:4px 9px;border-radius:999px;cursor:pointer;transition:.15s}
.langsw button.on{background:var(--ink);color:#fff}
.langsw button:hover:not(.on){color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:46px 0 26px;text-align:center}
.hero .stars{position:absolute;inset:0;pointer-events:none;opacity:.55;z-index:0}
.hero .stars i{position:absolute;display:block}
.hero .stars i::before{content:"✦";font-size:var(--sz);color:var(--st);line-height:1}
.hero>*{position:relative;z-index:1}
.hero .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.3px;color:#fff;background:linear-gradient(90deg,var(--a),#e11d48);border:none;padding:7px 16px;border-radius:999px;margin-bottom:16px;box-shadow:0 4px 14px rgba(225,29,72,.28)}
.hero.b .kicker{background:linear-gradient(90deg,var(--b),#4f46e5);box-shadow:0 4px 14px rgba(37,99,235,.28)}
.hero h1{font-size:32px;line-height:1.22;font-weight:900;margin-bottom:13px;letter-spacing:-.4px}
.hero h1 .hl{color:var(--a);background:linear-gradient(90deg,var(--a),#f97316);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero.b h1 .hl{color:var(--b);background:linear-gradient(90deg,var(--b),#06b6d4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:15.5px;color:var(--sub);max-width:640px;margin:0 auto 24px}
.hero .ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:10px}
.hero .btn{font-size:16px;padding:15px 30px;border-radius:14px}
.hero .btn.ghost{background:#fff}
.hero .dl{color:var(--sub);font-size:12.5px;margin-top:8px}

/* ---------- Promo badge ---------- */
.sale-tag{display:inline-flex;align-items:center;gap:5px;background:var(--gold-bg);border:1.5px dashed #f59e0b;color:#92400e;font-size:12px;font-weight:800;padding:5px 12px;border-radius:999px}
.sale-tag .off{background:linear-gradient(90deg,#f59e0b,#ef4444);color:#fff;font-size:11px;padding:1px 8px;border-radius:999px}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:26px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 14px;text-align:center;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--a),transparent)}
.stat.b::after{background:linear-gradient(90deg,var(--b),transparent)}
.stat .v{font-size:26px;font-weight:900;color:var(--a);letter-spacing:-.5px}
.stat.b .v{color:var(--b)}
.stat .l{font-size:12px;color:var(--sub);margin-top:3px;line-height:1.45}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:20px 0}
.step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;position:relative;box-shadow:var(--shadow)}
.step .n{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--a),#f97316);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-size:15px;box-shadow:0 4px 10px rgba(229,72,77,.3)}
.step.b .n{background:linear-gradient(135deg,var(--b),#06b6d4);box-shadow:0 4px 10px rgba(37,99,235,.3)}
.step .t{font-weight:800;font-size:15.5px;margin-bottom:5px}
.step p{font-size:13px;color:var(--sub)}

/* ---------- Pricing (promo-enhanced) ---------- */
.plan .price .old{font-size:14px;color:#9aa3b5;text-decoration:line-through;font-weight:600;margin-left:6px}
.plan.hot{border-color:var(--a);box-shadow:0 12px 32px rgba(229,72,77,.14)}
.plan.hot .flag{background:linear-gradient(90deg,var(--a),#f97316)}
.plan.b.hot{border-color:var(--b);box-shadow:0 12px 32px rgba(37,99,235,.14)}
.plan.b.hot .flag{background:linear-gradient(90deg,var(--b),#06b6d4)}

/* ---------- Zalo contact bar ---------- */
.zalo-bar{display:flex;align-items:center;gap:14px;justify-content:space-between;flex-wrap:wrap;background:linear-gradient(120deg,#0b5bd6,#0068ff);color:#fff;border-radius:16px;padding:18px 22px;margin:26px 0 10px;box-shadow:0 10px 28px rgba(0,104,255,.25)}
.zalo-bar .t{font-weight:800;font-size:15.5px}
.zalo-bar .btn{background:#fff;color:#0068ff;box-shadow:none}
.zalo-bar .btn:hover{background:#f0f6ff;transform:translateY(-1px)}

/* ---------- Footer ---------- */
.foot{text-align:center;font-size:12.5px;color:#9aa3b5;padding:26px 0 8px}

/* ---------- Dot pattern background ---------- */
.dots-bg{position:relative}
.dots-bg::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(229,72,77,.07) 1.5px,transparent 1.5px);background-size:26px 26px;pointer-events:none}
.dots-bg.b::before{background-image:radial-gradient(rgba(37,99,235,.07) 1.5px,transparent 1.5px)}

/* ---------- Top flag strip ---------- */
.flag-strip{height:5px;background:repeating-linear-gradient(90deg,#da251d 0 60px,#ffde00 60px 120px,#da251d 120px 180px,#ffde00 180px 240px);opacity:.85}

/* ---------- Responsive ---------- */
@media(max-width:520px){
  .hero{padding:34px 0 18px}
  .hero h1{font-size:24.5px}
  .hero p{font-size:14.5px}
  .hero .btn{font-size:15px;padding:13px 22px;width:100%;justify-content:center}
  .hero .ctas{gap:8px}
  .zalo-bar{padding:16px;justify-content:center;text-align:center}
  .langsw button{padding:3px 7px;font-size:11.5px}
}

/* ---------- Coffee price anchor ---------- */
.coffee-tag{display:inline-block;font-size:12.5px;font-weight:700;color:#92400e;background:var(--gold-bg);border:1px solid #fde68a;border-radius:999px;padding:4px 12px;margin:6px 0 10px;line-height:1.4}