/* ===== HOẠT HÌNH 3D — style.css ===== */
:root{
  --bg: #0b0e14;
  --bg-elev: #12161f;
  --bg-elev-2: #191f2c;
  --line: #232a38;
  --text: #eef1f7;
  --text-dim: #9aa4b8;
  --text-faint: #626d84;
  --brand: #ff5b6b;
  --brand-2: #ffb84d;
  --accent: #3bd6c6;
  --shopee: #ee4d2d;
  --shopee-dark: #d8401f;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-lg: 0 24px 48px -16px rgba(0,0,0,.55);
  --shadow-md: 0 12px 24px -10px rgba(0,0,0,.45);
  --maxw: 1280px;
  --header-h: 68px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Sora',system-ui,sans-serif;margin:0;letter-spacing:-.01em;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(11,14,20,.82);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{
  width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:8px;font-family:'Sora',sans-serif;font-weight:800;font-size:19px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;
  font-size:16px;color:#1a0d0d;flex-shrink:0;
}
.logo-text em{font-style:normal;color:var(--brand);}

.main-nav{display:flex;align-items:center;gap:4px;flex:1;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--text-dim);
  display:flex;align-items:center;gap:5px;transition:background .15s,color .15s;
  white-space:nowrap;
}
.nav-link:hover{background:var(--bg-elev-2);color:var(--text);}
.nav-hot{color:var(--brand);}
.nav-hot:hover{background:rgba(255,91,107,.12);color:var(--brand);}
.nav-dropdown{position:relative;}
.dropdown-panel{
  position:absolute;top:calc(100% + 8px);left:0;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:12px;
  padding:8px;min-width:170px;box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .15s,transform .15s,visibility .15s;
}
.nav-dropdown:hover .dropdown-panel{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-panel a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--text-dim);}
.dropdown-panel a:hover{background:var(--bg-elev-2);color:var(--text);}

.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;width:220px;flex-shrink:0;transition:border-color .15s,width .2s;
}
.search-box:focus-within{border-color:var(--brand);width:260px;}
.search-box input{background:none;border:none;color:var(--text);font-size:14px;width:100%;outline:none;}
.search-box input::placeholder{color:var(--text-faint);}
.search-box svg{color:var(--text-faint);flex-shrink:0;}

.burger{display:none;flex-direction:column;gap:4px;padding:8px;flex-shrink:0;}
.burger span{width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s;}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ===== HERO ===== */
.hero{position:relative;height:min(72vh,560px);min-height:400px;overflow:hidden;}
.hero-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity .6s ease;
  display:flex;align-items:flex-end;
}
.hero-slide.is-active{opacity:1;visibility:visible;}
.hero-slide-bg{
  position:absolute;inset:0;
  background:
    linear-gradient(0deg, var(--bg) 4%, rgba(11,14,20,.55) 42%, rgba(11,14,20,.25) 100%),
    radial-gradient(120% 100% at 15% 20%, var(--tint) 0%, transparent 55%),
    linear-gradient(135deg,#171c27,#0e1117);
  opacity:.85;
}
.hero-slide-content{position:relative;z-index:2;padding:0 24px 56px;max-width:var(--maxw);margin:0 auto;width:100%;}
.hero-badge{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:14px;backdrop-filter:blur(6px);
}
.hero-slide h1{font-size:clamp(28px,5vw,48px);font-weight:800;margin-bottom:12px;max-width:640px;}
.hero-slide p{color:var(--text-dim);max-width:520px;font-size:15.5px;margin-bottom:22px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}

.hero-dots{position:absolute;bottom:20px;right:24px;z-index:3;display:flex;gap:7px;}
.hero-dots button{width:22px;height:4px;border-radius:2px;background:rgba(255,255,255,.25);transition:background .2s,width .2s;}
.hero-dots button.is-active{background:var(--brand);width:32px;}

.btn{
  display:inline-flex;align-items:center;gap:6px;padding:12px 22px;border-radius:999px;
  font-weight:600;font-size:14.5px;transition:transform .15s,box-shadow .15s,background .15s;
}
.btn:active{transform:scale(.97);}
.btn-ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px);}
.btn-ghost:hover{background:rgba(255,255,255,.16);}
.btn-shopee{
  background:linear-gradient(135deg,var(--shopee),var(--shopee-dark));color:#fff;
  box-shadow:0 8px 20px -6px rgba(238,77,45,.55);
}
.btn-shopee:hover{box-shadow:0 10px 26px -6px rgba(238,77,45,.75);transform:translateY(-1px);}
.btn-block{width:100%;justify-content:center;}
.btn-loadmore{
  display:flex;margin:32px auto 0;padding:13px 32px;
  border:1px solid var(--line);border-radius:999px;color:var(--text-dim);font-weight:600;
  background:var(--bg-elev);transition:border-color .15s,color .15s;
}
.btn-loadmore:hover{border-color:var(--brand);color:var(--text);}

/* ===== AD SLOTS ===== */
.ad-slot{
  display:flex;align-items:center;justify-content:center;
  background:repeating-linear-gradient(135deg,var(--bg-elev),var(--bg-elev) 10px,var(--bg-elev-2) 10px,var(--bg-elev-2) 20px);
  border:1px dashed var(--line);border-radius:var(--radius-sm);color:var(--text-faint);
  font-size:12.5px;letter-spacing:.03em;
}
.ad-slot--leaderboard{max-width:var(--maxw);margin:22px auto;height:90px;}
.ad-slot--sidebar{height:400px;margin-bottom:20px;}
.ad-slot--ingrid{grid-column:1/-1;height:120px;}

/* ===== LAYOUT ===== */
.layout{max-width:var(--maxw);margin:0 auto;padding:0 24px 60px;display:grid;grid-template-columns:1fr 300px;gap:32px;}
.section-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin:36px 0 20px;}
.section-head h2{font-size:22px;font-weight:700;}
.section-tabs{display:flex;gap:6px;background:var(--bg-elev);padding:4px;border-radius:999px;border:1px solid var(--line);}
.tab{padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:500;color:var(--text-dim);transition:background .15s,color .15s;}
.tab.is-active{background:var(--brand);color:#fff;}
.tab:not(.is-active):hover{color:var(--text);}

/* ===== POSTER GRID ===== */
.poster-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:18px;}
.poster-card{
  background:var(--bg-elev);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  transition:transform .2s,box-shadow .2s,border-color .2s;position:relative;
}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#333d52;}
.poster-thumb{display:block;position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--bg-elev-2);}
.poster-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(0,0,0,.75) 0%,transparent 45%);
}
.poster-art{position:absolute;inset:0;background:var(--art);opacity:.9;transition:transform .35s;}
.poster-card:hover .poster-art{transform:scale(1.06);}
.poster-glyph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:38px;opacity:.5;z-index:1;
}
.poster-badge{
  position:absolute;top:9px;left:9px;z-index:2;padding:3px 9px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:11px;font-weight:700;letter-spacing:.02em;
}
.poster-badge.is-full{background:var(--accent);color:#08211d;}
.poster-rating{
  position:absolute;bottom:9px;left:9px;z-index:2;display:flex;align-items:center;gap:4px;
  font-size:12px;font-weight:600;color:#ffd166;
}
.poster-info{padding:11px 12px 13px;}
.poster-title{font-size:14px;font-weight:600;margin-bottom:3px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.poster-meta{font-size:12px;color:var(--text-faint);}

/* ===== SIDEBAR / RANK ===== */
.sidebar{display:flex;flex-direction:column;}
.rank-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-top:36px;}
.rank-tabs{display:flex;gap:4px;background:var(--bg-elev-2);padding:3px;border-radius:999px;margin-bottom:14px;}
.rank-tab{flex:1;text-align:center;padding:7px 0;border-radius:999px;font-size:12.5px;font-weight:600;color:var(--text-dim);}
.rank-tab.is-active{background:var(--brand);color:#fff;}
.rank-list li{display:flex;align-items:center;gap:11px;padding:9px 0;border-bottom:1px solid var(--line);}
.rank-list li:last-child{border-bottom:none;}
.rank-num{
  width:22px;height:22px;border-radius:6px;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;background:var(--bg-elev-2);color:var(--text-faint);flex-shrink:0;
}
.rank-list li:nth-child(-n+3) .rank-num{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#1a0d0d;}
.rank-title{font-size:13.5px;font-weight:500;flex:1;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.rank-views{font-size:11.5px;color:var(--text-faint);flex-shrink:0;}

.promo-card{
  background:linear-gradient(160deg,rgba(238,77,45,.16),rgba(238,77,45,.04));
  border:1px solid rgba(238,77,45,.35);border-radius:var(--radius);padding:18px;text-align:center;
}
.promo-eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--shopee);margin:0 0 6px;}
.promo-title{font-size:14.5px;font-weight:700;margin:0 0 14px;}

/* ===== TAG CLOUD ===== */
.tag-cloud{max-width:var(--maxw);margin:0 auto;padding:0 24px 50px;text-align:center;}
.tag-cloud h3{font-size:15px;color:var(--text-dim);margin-bottom:16px;font-weight:600;}
.tags{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;}
.tags a{
  padding:8px 16px;border-radius:999px;background:var(--bg-elev);border:1px solid var(--line);
  font-size:13px;color:var(--text-dim);transition:border-color .15s,color .15s;
}
.tags a:hover{border-color:var(--brand);color:var(--text);}

/* ===== FOOTER ===== */
.site-footer{border-top:1px solid var(--line);padding:44px 24px 26px;background:var(--bg-elev);}
.footer-inner{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.footer-brand p{color:var(--text-faint);font-size:13px;max-width:340px;margin-top:10px;line-height:1.6;}
.footer-links{display:flex;gap:56px;}
.footer-links h4{font-size:13px;color:var(--text-faint);margin-bottom:12px;font-weight:600;}
.footer-links a{display:block;font-size:13.5px;color:var(--text-dim);padding:5px 0;}
.footer-links a:hover{color:var(--text);}
.footer-note{max-width:var(--maxw);margin:28px auto 0;padding-top:20px;border-top:1px solid var(--line);color:var(--text-faint);font-size:12px;text-align:center;}

/* ===== FLOATING CTA ===== */
.floating-cta{
  position:fixed;right:20px;bottom:24px;z-index:200;
  display:flex;align-items:center;gap:10px;padding:13px 18px 13px 14px;border-radius:999px;
  background:linear-gradient(135deg,var(--shopee),var(--shopee-dark));color:#fff;
  box-shadow:0 14px 30px -8px rgba(238,77,45,.65);
  animation:float-in .5s ease .3s both;
}
.floating-cta:hover{transform:translateY(-2px);}
.floating-cta-icon{font-size:19px;}
.floating-cta-text{font-size:12.5px;font-weight:700;line-height:1.25;}
.floating-cta-pulse{
  position:absolute;inset:-4px;border-radius:999px;border:2px solid var(--shopee);
  animation:pulse 2.2s ease-out infinite;
}
@keyframes pulse{0%{opacity:.7;transform:scale(1);}100%{opacity:0;transform:scale(1.18);}}
@keyframes float-in{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}

/* ===== POPUP ===== */
.popup-overlay{
  position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(6,7,10,.72);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
}
.popup-overlay.is-open{opacity:1;visibility:visible;}
.popup-card{
  position:relative;width:100%;max-width:380px;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:18px;padding:30px 26px 26px;text-align:center;box-shadow:var(--shadow-lg);
  transform:scale(.94) translateY(10px);transition:transform .25s;
}
.popup-overlay.is-open .popup-card{transform:scale(1) translateY(0);}
.popup-close{position:absolute;top:12px;right:14px;font-size:16px;color:var(--text-faint);width:28px;height:28px;border-radius:50%;}
.popup-close:hover{background:var(--bg-elev-2);color:var(--text);}
.popup-eyebrow{font-size:12px;color:var(--text-faint);margin:0 0 6px;}
.popup-card h3{font-size:19px;margin-bottom:10px;}
.popup-body{color:var(--text-dim);font-size:13.5px;margin:0 0 20px;}
.popup-skip{display:block;margin:14px auto 0;font-size:12.5px;color:var(--text-faint);}
.popup-skip:hover{color:var(--text-dim);}

/* ===== RESPONSIVE ===== */
@media (max-width:1080px){
  .layout{grid-template-columns:1fr;}
  .sidebar{flex-direction:row;flex-wrap:wrap;gap:20px;}
  .rank-card{flex:1;min-width:260px;margin-top:0;}
  .ad-slot--sidebar{flex:1;min-width:260px;height:220px;}
  .promo-card{flex:1;min-width:260px;}
}
@media (max-width:860px){
  .main-nav,.search-box{display:none;}
  .burger{display:flex;}
  .main-nav.is-open{
    display:flex;flex-direction:column;position:absolute;top:var(--header-h);left:0;right:0;
    background:var(--bg-elev);border-bottom:1px solid var(--line);padding:10px;gap:2px;
  }
  .main-nav.is-open .dropdown-panel{position:static;opacity:1;visibility:visible;transform:none;display:none;border:none;background:var(--bg-elev-2);margin-top:4px;}
  .main-nav.is-open .nav-dropdown.is-open .dropdown-panel{display:block;}
}
@media (max-width:640px){
  .hero{height:70vh;}
  .hero-slide p{font-size:14px;}
  .sidebar{flex-direction:column;}
  .poster-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;}
  .floating-cta-text{display:none;}
  .floating-cta{padding:14px;}
}