/* ============================================================
   MONCOVER UI — Core: variables, header, footer, floating
   Brand: Gold #C8890A/#F5C842 · Green #1A7A3C
   ============================================================ */
:root {
  --mc-gold:         #C8890A;
  --mc-gold-mid:     #E5A020;
  --mc-gold-light:   #F5C842;
  --mc-gold-pale:    #FEF9EC;
  --mc-gold-border:  #F0D080;
  --mc-green:        #1A7A3C;
  --mc-green-mid:    #2E9B52;
  --mc-green-light:  #EAF5EF;
  --mc-dark:         #111827;
  --mc-dark-mid:     #1F2937;
  --mc-dark-soft:    #374151;
  --mc-gray:         #6B7280;
  --mc-gray-light:   #F9FAFB;
  --mc-border:       #E5E7EB;
  --mc-white:        #FFFFFF;
  --mc-radius:       12px;
  --mc-radius-lg:    20px;
  --mc-shadow-sm:    0 2px 8px rgba(0,0,0,.06);
  --mc-shadow:       0 4px 20px rgba(0,0,0,.08);
  --mc-shadow-md:    0 8px 32px rgba(0,0,0,.12);
  --mc-font:         'Plus Jakarta Sans','Be Vietnam Pro',sans-serif;
  --mc-serif:        'Fraunces',serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--mc-font);color:var(--mc-dark);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}

/* === HEADER === */
.mc-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--mc-border);box-shadow:0 2px 12px rgba(0,0,0,.06)}
.mc-nav-inner{max-width:1240px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:24px}
.mc-logo{display:flex;align-items:center;flex-shrink:0;margin-right:8px}
.mc-logo img{height:40px;width:auto}
.mc-logo-fallback{font-family:var(--mc-serif);font-size:22px;font-weight:700;display:none;line-height:1}
.mc-logo-fallback .gold{color:var(--mc-gold)}
.mc-logo-fallback .green{color:var(--mc-green)}
.mc-nav-links{display:flex;align-items:center;gap:2px;flex:1}
.mc-nav-links a{font-size:14px;font-weight:500;color:var(--mc-dark-soft);padding:6px 11px;border-radius:8px;transition:all .2s;white-space:nowrap}
.mc-nav-links a:hover,.mc-nav-links a.active{color:var(--mc-green);background:var(--mc-green-light)}
.mc-nav-cta{display:flex;align-items:center;gap:8px;flex-shrink:0}
.mc-btn-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:19px;transition:all .2s;cursor:pointer;border:none}
.mc-btn-zalo{background:#E8F0FE;color:#0068FF}
.mc-btn-zalo:hover{background:#0068FF;color:#fff}
.mc-btn-call{background:var(--mc-green-light);color:var(--mc-green)}
.mc-btn-call:hover{background:var(--mc-green);color:#fff}
.mc-btn-buy{background:linear-gradient(135deg,var(--mc-gold),var(--mc-gold-light));color:var(--mc-dark)!important;font-size:13.5px;font-weight:700;padding:9px 18px;border-radius:10px;white-space:nowrap;transition:all .2s;box-shadow:0 3px 12px rgba(200,137,10,.3);letter-spacing:.3px;border:none;cursor:pointer}
.mc-btn-buy:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(200,137,10,.45)}
.mc-hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;margin-left:auto}
.mc-hamburger span{display:block;width:24px;height:2px;background:var(--mc-dark);border-radius:2px;transition:all .3s}

/* Mobile Menu */
.mc-mobile-menu{display:none!important;position:fixed!important;top:68px!important;left:0;right:0;z-index:999;background:#fff;border-bottom:1px solid var(--mc-border);padding:16px 20px 24px;box-shadow:0 8px 24px rgba(0,0,0,.1);max-height:calc(100vh - 68px);overflow-y:auto}
.mc-mobile-menu.open{display:block!important}
.mc-mobile-menu a{display:block;padding:12px 0;font-size:15px;font-weight:500;color:var(--mc-dark-mid);border-bottom:1px solid var(--mc-border)}
.mc-mobile-menu a:last-of-type{border-bottom:none}
.mc-mobile-buy{display:block!important;margin-top:16px;padding:13px;text-align:center;background:linear-gradient(135deg,var(--mc-gold),var(--mc-gold-light));color:var(--mc-dark)!important;font-weight:700;border-radius:10px;font-size:15px}
.mc-mobile-menu-btns{display:flex;gap:10px;margin-top:12px}
.mc-mobile-menu-btns a{flex:1;padding:11px;border-radius:10px;text-align:center;font-size:14px;font-weight:600;border-bottom:none!important}
.mc-mobile-zalo{background:#E8F0FE;color:#0068FF!important}
.mc-mobile-call{background:var(--mc-green-light);color:var(--mc-green)!important}

/* === FLOATING === */
.mc-floating{position:fixed;right:18px;bottom:24px;z-index:900;display:flex;flex-direction:column;gap:10px}
.mc-float-btn{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 4px 16px rgba(0,0,0,.15);transition:all .2s;cursor:pointer;border:none;text-decoration:none}
.mc-float-btn:hover{transform:scale(1.1)}
.mc-float-zalo{background:#0068FF;color:#fff}
.mc-float-call{background:var(--mc-green);color:#fff;animation:pulse-call 2s infinite}
.mc-float-chat{background:linear-gradient(135deg,var(--mc-gold),var(--mc-gold-light));color:var(--mc-dark)}
@keyframes pulse-call{0%,100%{box-shadow:0 4px 16px rgba(26,122,60,.4)}50%{box-shadow:0 4px 28px rgba(26,122,60,.75)}}

/* === FOOTER === */
#mc-footer{background:linear-gradient(175deg,#111827 0%,#1a2235 100%);color:rgba(255,255,255,.75);font-size:14px}
.mc-footer-topbar{background:rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.07);padding:14px 0}
.mc-footer-topbar-inner{max-width:1240px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.mc-footer-topbar-item{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6)}
.mc-footer-topbar-item .ti{font-size:16px}
.mc-footer-topbar-item strong{color:var(--mc-gold-light)}
.mc-footer-main{padding:48px 0 32px}
.mc-footer-grid{max-width:1240px;margin:0 auto;padding:0 24px;display:grid!important;grid-template-columns:1.6fr 1fr 1fr 1fr!important;gap:36px;width:100%!important}
.mc-footer-brand{display:flex;align-items:center;margin-bottom:14px}
.mc-footer-brand-text{font-family:var(--mc-serif);font-size:28px;font-weight:700;line-height:1}
.mc-footer-brand-text .gold{color:var(--mc-gold-light)}
.mc-footer-brand-text .green{color:var(--mc-green-mid)}
.mc-footer-desc{font-size:13px;line-height:1.75;color:rgba(255,255,255,.45);margin-bottom:20px}
.mc-footer-license{font-size:12px;color:rgba(255,255,255,.35);border-top:1px solid rgba(255,255,255,.08);padding-top:14px;line-height:1.7}
.mc-footer-col h4{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:rgba(255,255,255,.35);margin-bottom:16px}
.mc-footer-col ul li{margin-bottom:10px}
.mc-footer-col ul li a{color:rgba(255,255,255,.6);font-size:13.5px;transition:color .2s}
.mc-footer-col ul li a:hover{color:var(--mc-gold-light)}
.mc-footer-social{display:flex;gap:10px;margin-top:16px}
.mc-footer-social a{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .2s}
.mc-footer-social a:hover{background:var(--mc-gold);color:var(--mc-dark)}
.mc-footer-bottom-bar{border-top:1px solid rgba(255,255,255,.07);padding:16px 0}
.mc-footer-bottom-inner{max-width:1240px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.mc-footer-copy{font-size:12px;color:rgba(255,255,255,.3)}
.mc-footer-legal{display:flex;gap:20px}
.mc-footer-legal a{font-size:12px;color:rgba(255,255,255,.3);transition:color .2s}
.mc-footer-legal a:hover{color:rgba(255,255,255,.65)}
.mc-footer-mobile{display:none;padding:32px 20px 0}
.mc-footer-mobile-brand{font-family:var(--mc-serif);font-size:26px;font-weight:700;margin-bottom:12px}
.mc-footer-mobile-brand .gold{color:var(--mc-gold-light)}
.mc-footer-mobile-brand .green{color:var(--mc-green-mid)}
.mc-footer-mobile-desc{font-size:13px;color:rgba(255,255,255,.45);margin-bottom:20px;line-height:1.65}
.mc-footer-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 20px;margin-bottom:20px}
.mc-footer-mobile-grid a{font-size:13px;color:rgba(255,255,255,.6);padding:5px 0}
.mc-footer-mobile-contact{background:rgba(255,255,255,.05);border-radius:12px;padding:16px}
.mc-footer-mobile-contact p{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:6px}
.mc-footer-mobile-contact a{color:var(--mc-gold-light);font-weight:600}
.mc-footer-mobile-copy{text-align:center;padding:16px;margin-top:20px;font-size:12px;color:rgba(255,255,255,.28);border-top:1px solid rgba(255,255,255,.06)}

/* Responsive Header */
@media(max-width:1100px){.mc-nav-links a{font-size:13px;padding:6px 8px}}
@media(max-width:768px){.mc-nav-links,.mc-nav-cta{display:none}.mc-hamburger{display:flex}}