/* ═══════════════════════════════════════════════════════════
   HOME.CSS — index.html specific styles
   ═══════════════════════════════════════════════════════════ */

body{min-height:auto;} /* override global: home page doesn't need min-height */

/* ── SCROLL REVEAL ───────────────────────────────────────── */
[data-s]{opacity:0;transition:opacity .9s cubic-bezier(0,.02,.2,1),transform .9s cubic-bezier(0,.02,.2,1);}
[data-s="up"]{transform:translateY(52px);}
[data-s="left"]{transform:translateX(-64px);}
[data-s="right"]{transform:translateX(64px);}
[data-s="zoom"]{transform:scale(.88);}
[data-s].show{opacity:1!important;transform:none!important;}

/* ── NAV HOME EXTENSIONS ─────────────────────────────────── */
#nav{background:rgba(6,11,31,.7);transition:background .4s,box-shadow .4s;}
#nav.solid{background:rgba(6,11,31,.95);box-shadow:0 4px 32px rgba(0,0,0,.5);}
.n-links{display:flex;gap:2px;list-style:none;}
.n-links a{padding:8px 15px;border-radius:var(--pill);font-size:.84rem;font-weight:500;color:var(--sub);text-decoration:none;transition:.2s;}
.n-links a:hover{color:var(--txt);background:rgba(255,255,255,.08);}
.n-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#FF6B35 0%,#FF3D71 100%);
  color:#fff;padding:10px 24px;border-radius:var(--pill);
  font-size:.84rem;font-weight:800;text-decoration:none;
  box-shadow:0 4px 20px rgba(255,107,53,.45),0 0 0 0 rgba(255,107,53,.4);
  transition:.28s;position:relative;overflow:hidden;
}
.n-cta::before{
  content:'';position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-20deg);animation:cta-shine 2.8s ease-in-out infinite;
}
@keyframes cta-shine{0%{left:-80%}55%,100%{left:140%}}
.n-cta:hover{transform:translateY(-3px);box-shadow:0 10px 36px rgba(255,61,113,.55),0 0 0 4px rgba(255,107,53,.15);}
.n-cta svg{flex-shrink:0;}

/* ── HERO ────────────────────────────────────────────────── */
#hero{
  min-height:100vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:110px 56px 120px;
  position:relative;overflow:hidden;
  background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(10,16,48,.9) 0%,var(--bg) 70%);
}
#stars{position:absolute;inset:0;pointer-events:none;z-index:0;}
.blob{position:absolute;border-radius:50%;filter:blur(100px);pointer-events:none;z-index:0;}
.blob-a{width:800px;height:600px;background:radial-gradient(circle,rgba(0,230,118,.1),transparent 70%);top:-200px;left:-200px;}
.blob-b{width:700px;height:700px;background:radial-gradient(circle,rgba(255,107,53,.08),transparent 70%);bottom:0;right:-200px;}
.blob-c{width:500px;height:500px;background:radial-gradient(circle,rgba(168,85,247,.07),transparent 70%);top:40%;left:50%;transform:translateX(-50%);}
.hero-hex{
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 0 L56 16 L56 50 L28 66 L0 50 L0 16 Z' fill='none' stroke='rgba(255,255,255,.03)' stroke-width='1'/%3E%3Cpath d='M28 50 L56 66 L56 100 L28 116 L0 100 L0 66 Z' fill='none' stroke='rgba(255,255,255,.03)' stroke-width='1'/%3E%3C/svg%3E");
}
.hero-body{position:relative;z-index:5;text-align:center;max-width:760px;}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(0,230,118,.1);border:1px solid rgba(0,230,118,.3);
  padding:7px 18px;border-radius:var(--pill);
  font-size:.72rem;font-weight:700;color:var(--gr1);letter-spacing:.6px;
  margin-bottom:28px;
}
.hero-dot{width:6px;height:6px;background:var(--gr1);border-radius:50%;animation:blink 1.6s infinite;}
@keyframes blink{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.2;transform:scale(1.8);}}
.hero-h{font-size:clamp(3rem,7.5vw,7rem);font-weight:900;letter-spacing:-4px;line-height:.92;margin-bottom:26px;}
.hero-h .row1{display:block;color:var(--txt);}
.hero-h .row2{display:block;background:linear-gradient(110deg,var(--acc2) 0%,var(--acc1) 45%,var(--hoa) 90%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-h .row3{display:block;background:linear-gradient(110deg,var(--gr1) 0%,var(--thuy) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-size:.7em;}
.hero-p{font-size:1.08rem;color:var(--sub);line-height:1.84;max-width:560px;margin:0 auto 36px;}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:22px;}
.btn-main{display:inline-flex;align-items:center;gap:9px;background:linear-gradient(135deg,var(--acc1) 0%,#FF3D71 100%);color:#fff;padding:17px 42px;border-radius:var(--pill);font-size:.98rem;font-weight:800;text-decoration:none;box-shadow:0 10px 32px rgba(255,107,53,.4);transition:.28s;}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(255,107,53,.58);}
.btn-ghost{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.07);color:var(--txt);padding:16px 36px;border-radius:var(--pill);font-size:.98rem;font-weight:700;text-decoration:none;border:1.5px solid var(--brd2);transition:.28s;}
.btn-ghost:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.25);}
.plats{display:flex;align-items:center;justify-content:center;gap:22px;font-size:.76rem;color:var(--sub);}
.hero-chars{position:relative;z-index:3;width:100%;max-width:1000px;height:440px;margin:16px auto 0;display:flex;align-items:flex-end;justify-content:center;}
.hc-wrap{position:absolute;bottom:0;}
.hc-l{left:2%;}
.hc-c{left:50%;transform:translateX(-50%);z-index:4;}
.hc-r{right:2%;}
.hc-f{display:flex;align-items:flex-end;justify-content:center;}
.hc-f img{display:block;}
.hc-l .hc-f img{height:240px;filter:drop-shadow(0 16px 48px rgba(0,0,0,.65));animation:flt2 3.9s ease-in-out infinite .8s;}
.hc-c .hc-f img{height:410px;filter:drop-shadow(0 24px 64px rgba(0,0,0,.7));animation:flt2 3.5s ease-in-out infinite;}
.hc-r .hc-f img{height:235px;filter:drop-shadow(0 16px 48px rgba(0,0,0,.65));animation:flt2 3.7s ease-in-out infinite 1.4s;}
@keyframes flt2{0%,100%{transform:translateY(0);}50%{transform:translateY(-18px);}}
.hc-l::after,.hc-c::after,.hc-r::after{content:'';position:absolute;bottom:-6px;left:50%;transform:translateX(-50%);border-radius:50%;pointer-events:none;}
.hc-l::after{width:140px;height:40px;background:radial-gradient(ellipse,rgba(16,185,129,.45),transparent 70%);}
.hc-c::after{width:220px;height:60px;background:radial-gradient(ellipse,rgba(255,107,53,.38),transparent 70%);}
.hc-r::after{width:140px;height:40px;background:radial-gradient(ellipse,rgba(168,85,247,.38),transparent 70%);}
.hero-glow-ground{position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:500px;height:120px;background:radial-gradient(ellipse,rgba(0,230,118,.25) 0%,transparent 70%);pointer-events:none;}
.scroll-cue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:10;display:flex;flex-direction:column;align-items:center;gap:8px;animation:cue 2.2s ease-in-out infinite;}
.scroll-cue span{font-size:.62rem;letter-spacing:3px;text-transform:uppercase;color:rgba(255,255,255,.22);}
.scroll-cue-arr{width:22px;height:22px;border-right:2px solid rgba(255,255,255,.2);border-bottom:2px solid rgba(255,255,255,.2);transform:rotate(45deg);}
@keyframes cue{0%,100%{transform:translateX(-50%) translateY(0);}50%{transform:translateX(-50%) translateY(10px);}}

/* ── VIDEO / ANIMATED HERO BG ────────────────────────────── */
.hero-video-wrap{position:absolute;inset:0;z-index:0;overflow:hidden;}
.hero-video-wrap::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,31,.45) 0%,rgba(6,11,31,.78) 60%,var(--bg) 100%);z-index:1;}
.hero-bg-img{position:absolute;inset:-8%;width:116%;height:116%;object-fit:cover;opacity:.2;filter:blur(6px);animation:kb 24s ease-in-out infinite alternate;}
@keyframes kb{0%{transform:scale(1) translate(0,0);}100%{transform:scale(1.09) translate(-2%,-1.5%);}}
.hero-video-wrap video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18;filter:blur(4px);}

/* ── STATS BAR ───────────────────────────────────────────── */
#stats{background:linear-gradient(90deg,rgba(0,70,30,.8),rgba(10,16,48,.9),rgba(0,70,30,.8));border-top:1px solid rgba(0,230,118,.18);border-bottom:1px solid rgba(0,230,118,.18);}
.stats-row{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);}
.stat-i{padding:28px 20px;text-align:center;border-right:1px solid rgba(255,255,255,.06);}
.stat-i:last-child{border-right:none;}
.stat-n{font-size:2.6rem;font-weight:900;line-height:1;background:linear-gradient(135deg,var(--gr1),var(--acc2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.stat-l{font-size:.7rem;color:var(--sub);font-weight:600;margin-top:7px;letter-spacing:1px;text-transform:uppercase;}

/* ── SHARED LAYOUT ───────────────────────────────────────── */
.s{padding:100px 56px;}
.w{max-width:1160px;margin:0 auto;}
.ey{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:2.5px;text-transform:uppercase;margin-bottom:12px;}
.ey-g{color:var(--gr1);}
.ey-o{color:var(--acc1);}
.ey-b{color:var(--thuy);}
.ey-p{color:var(--loi);}
.sh{font-size:clamp(2rem,3.8vw,3.3rem);font-weight:900;letter-spacing:-1.4px;line-height:1.06;margin-bottom:14px;}
.sp{font-size:.97rem;color:var(--sub);line-height:1.85;max-width:540px;}
.cc{text-align:center;margin-bottom:68px;}
.cc .sp{margin:0 auto;}
.wv{line-height:0;overflow:hidden;}
.wv svg{display:block;width:100%;}

/* ── INTRO SPLIT ─────────────────────────────────────────── */
#intro .w{max-width:1440px;}
.intro-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:center;}
.intro-grid>div:last-child{padding-left:28px;}
#intro .sh{font-size:clamp(1.8rem,2.8vw,2.8rem);}
.intro-img{border-radius:24px;overflow:hidden;position:relative;border:1px solid var(--brd);}
.intro-img img{width:100%;display:block;}
.intro-img-badge{position:absolute;bottom:16px;left:16px;background:rgba(6,11,31,.75);backdrop-filter:blur(12px);border:1px solid var(--brd2);padding:6px 16px;border-radius:var(--pill);font-size:.7rem;font-weight:700;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;}
.tag{padding:6px 16px;border-radius:var(--pill);font-size:.73rem;font-weight:700;border:1px solid;}
.tag-g{background:rgba(0,230,118,.1);color:var(--gr1);border-color:rgba(0,230,118,.25);}
.tag-o{background:rgba(255,107,53,.1);color:var(--acc2);border-color:rgba(255,107,53,.2);}
.tag-b{background:rgba(34,211,238,.1);color:var(--thuy);border-color:rgba(34,211,238,.2);}
.tag-p{background:rgba(168,85,247,.1);color:var(--loi);border-color:rgba(168,85,247,.2);}
.check-ul{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.check-ul li{display:flex;align-items:center;gap:13px;font-size:.9rem;color:var(--sub);}
.check-ul li::before{content:'✓';display:flex;align-items:center;justify-content:center;width:22px;height:22px;min-width:22px;border-radius:50%;background:linear-gradient(135deg,var(--gr3),var(--gr2));color:#fff;font-size:.68rem;font-weight:900;flex-shrink:0;}

/* ── 5 CLASSES ───────────────────────────────────────────── */
.class-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.cls{border-radius:22px;overflow:hidden;border:1px solid var(--brd);background:var(--card);transition:.4s;cursor:pointer;position:relative;}
.cls:hover{transform:translateY(-10px);}
.cls-img{height:230px;display:flex;align-items:flex-end;justify-content:center;overflow:hidden;}
.cls-img img{height:210px;width:auto;max-width:100%;object-fit:contain;filter:drop-shadow(0 8px 22px rgba(0,0,0,.55));transition:.45s;}
.cls:hover .cls-img img{transform:scale(1.12) translateY(-8px);}
.loi-c .cls-img{background:linear-gradient(180deg,rgba(168,85,247,.2) 0%,transparent);}
.loi-c:hover{border-color:rgba(168,85,247,.5);box-shadow:0 22px 55px rgba(168,85,247,.2);}
.tho-c .cls-img{background:linear-gradient(180deg,rgba(245,158,11,.2) 0%,transparent);}
.tho-c:hover{border-color:rgba(245,158,11,.5);box-shadow:0 22px 55px rgba(245,158,11,.2);}
.thuy-c .cls-img{background:linear-gradient(180deg,rgba(34,211,238,.2) 0%,transparent);}
.thuy-c:hover{border-color:rgba(34,211,238,.5);box-shadow:0 22px 55px rgba(34,211,238,.2);}
.hoa-c .cls-img{background:linear-gradient(180deg,rgba(244,63,94,.2) 0%,transparent);}
.hoa-c:hover{border-color:rgba(244,63,94,.5);box-shadow:0 22px 55px rgba(244,63,94,.2);}
.phong-c .cls-img{background:linear-gradient(180deg,rgba(16,185,129,.2) 0%,transparent);}
.phong-c:hover{border-color:rgba(16,185,129,.5);box-shadow:0 22px 55px rgba(16,185,129,.2);}
.cls-info{padding:18px 18px 20px;}
.cls-name{font-size:1rem;font-weight:900;margin-bottom:4px;}
.cls-sub{font-size:.74rem;color:var(--sub);margin-bottom:12px;line-height:1.4;}
.cls-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 13px;border-radius:var(--pill);font-size:.64rem;font-weight:800;letter-spacing:.6px;text-transform:uppercase;}
.loi-c .cls-badge{background:rgba(168,85,247,.15);color:#D8B4FE;border:1px solid rgba(168,85,247,.3);}
.tho-c .cls-badge{background:rgba(245,158,11,.15);color:#FDE68A;border:1px solid rgba(245,158,11,.3);}
.thuy-c .cls-badge{background:rgba(34,211,238,.15);color:#A5F3FC;border:1px solid rgba(34,211,238,.3);}
.hoa-c .cls-badge{background:rgba(244,63,94,.15);color:#FECDD3;border:1px solid rgba(244,63,94,.3);}
.phong-c .cls-badge{background:rgba(16,185,129,.15);color:#A7F3D0;border:1px solid rgba(16,185,129,.3);}

/* ── MAPS ────────────────────────────────────────────────── */
.maps-big{display:grid;grid-template-columns:1.55fr 1fr;gap:18px;margin-bottom:18px;}
.maps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.mc{border-radius:22px;overflow:hidden;position:relative;border:1px solid var(--brd);cursor:pointer;transition:.38s;}
.mc:hover{border-color:var(--brd2);transform:scale(1.022);}
.mc img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s;}
.mc:hover img{transform:scale(1.07);}
.mc-h{height:320px;}
.mc-s{height:320px;}
.mc-sm{height:186px;}
.mc-overlay{position:absolute;bottom:0;left:0;right:0;padding:26px 18px 16px;background:linear-gradient(0deg,rgba(4,8,20,.92) 0%,transparent);}
.mc-name{font-size:.95rem;font-weight:900;margin-bottom:3px;}
.mc-sub{font-size:.7rem;color:rgba(255,255,255,.48);}

/* ── EVENTS CAROUSEL ─────────────────────────────────────── */
.ev-shell{overflow:hidden;border-radius:22px;}
.ev-rail{display:flex;gap:18px;transition:transform .65s cubic-bezier(.4,0,.2,1);}
.ev-card{flex:0 0 calc(33.333% - 12px);padding:32px 28px;border-radius:22px;border:1px solid var(--brd);background:var(--card);transition:border-color .3s,background .3s;}
.ev-card:hover{border-color:rgba(0,230,118,.28);background:rgba(0,230,118,.04);}
.ev-ico{font-size:2.4rem;margin-bottom:18px;display:block;}
.ev-nm{font-size:1.04rem;font-weight:900;margin-bottom:7px;}
.ev-tm{font-size:.77rem;color:var(--acc2);font-weight:700;margin-bottom:9px;}
.ev-chip{display:inline-block;font-size:.63rem;font-weight:800;padding:3px 12px;border-radius:var(--pill);margin-bottom:12px;letter-spacing:.4px;}
.chip-live{background:rgba(0,230,118,.18);color:#6EE7B0;border:1px solid rgba(0,230,118,.3);}
.chip-week{background:rgba(34,211,238,.14);color:#A5F3FC;border:1px solid rgba(34,211,238,.28);}
.chip-seas{background:rgba(168,85,247,.14);color:#DDD6FE;border:1px solid rgba(168,85,247,.28);}
.chip-promo{background:rgba(255,107,53,.14);color:#FED7AA;border:1px solid rgba(255,107,53,.28);}
.ev-desc{font-size:.84rem;color:var(--sub);line-height:1.7;}
.ev-nav{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:32px;}
.ev-arr{width:46px;height:46px;border-radius:50%;background:var(--card);border:1px solid var(--brd);color:var(--txt);font-size:1.3rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.22s;}
.ev-arr:hover{background:rgba(0,230,118,.15);border-color:rgba(0,230,118,.4);color:var(--gr1);}
.ev-dots{display:flex;gap:8px;}
.ev-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.18);cursor:pointer;transition:.3s;}
.ev-dot.on{background:var(--gr1);transform:scale(1.55);}

/* ── COMMUNITY ───────────────────────────────────────────── */
.comm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.comm-card{border-radius:22px;padding:36px 28px;background:var(--card);border:1px solid var(--brd);text-align:center;transition:.38s;text-decoration:none;color:var(--txt);display:flex;flex-direction:column;align-items:center;gap:14px;}
.comm-card:hover{transform:translateY(-8px);border-color:var(--brd2);}
.comm-ico{font-size:3rem;}
.comm-name{font-size:1.1rem;font-weight:900;}
.comm-desc{font-size:.84rem;color:var(--sub);line-height:1.65;}
.comm-link{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:700;color:var(--gr1);margin-top:4px;}
.comm-card.disc:hover{border-color:rgba(88,101,242,.5);box-shadow:0 16px 40px rgba(88,101,242,.18);}
.comm-card.face:hover{border-color:rgba(24,119,242,.5);box-shadow:0 16px 40px rgba(24,119,242,.18);}
.comm-card.zalo:hover{border-color:rgba(0,104,255,.44);box-shadow:0 16px 40px rgba(0,104,255,.18);}
.comm-logo{width:56px;height:56px;}

/* ── DOWNLOAD ────────────────────────────────────────────── */
#dl{background:linear-gradient(145deg,#051810 0%,#060B1F 40%,#110618 100%);position:relative;overflow:hidden;}
#dl::before{content:'';position:absolute;width:900px;height:900px;border-radius:50%;background:radial-gradient(circle,rgba(0,230,118,.09),transparent 70%);top:-300px;right:-300px;pointer-events:none;}
#dl::after{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(168,85,247,.06),transparent 70%);bottom:-200px;left:-100px;pointer-events:none;}
.dl-grid{display:grid;grid-template-columns:1fr auto;gap:72px;align-items:center;position:relative;z-index:1;}
.dl-h{font-size:clamp(2.2rem,4.2vw,3.6rem);font-weight:900;letter-spacing:-1.8px;line-height:1.04;margin-bottom:18px;}
.dl-h span{background:linear-gradient(125deg,var(--acc2),var(--acc1),var(--hoa));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.dl-p{font-size:.97rem;color:var(--sub);line-height:1.85;max-width:460px;margin-bottom:36px;}
.dl-tags{margin-top:24px;display:flex;gap:18px;flex-wrap:wrap;}
.dl-tag{font-size:.71rem;color:rgba(255,255,255,.22);display:flex;align-items:center;gap:5px;}
.dl-tag::before{content:'';width:4px;height:4px;border-radius:50%;background:var(--gr1);}
.dl-art{display:flex;flex-direction:column;align-items:center;gap:16px;}
.dl-icon{width:172px;height:172px;border-radius:38px;object-fit:cover;border:2px solid rgba(255,255,255,.07);box-shadow:0 0 80px rgba(0,230,118,.16),0 0 160px rgba(0,230,118,.06);animation:ico 4.5s ease-in-out infinite;}
@keyframes ico{0%,100%{transform:translateY(0);}50%{transform:translateY(-15px);}}
.dl-note{font-size:.71rem;color:rgba(255,255,255,.25);text-align:center;line-height:1.6;}
.dl-btns{display:flex;gap:14px;flex-wrap:wrap;}
.btn-android{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,#00C853,#00796B);color:#fff;padding:16px 30px;border-radius:var(--rr);font-size:.9rem;font-weight:800;text-decoration:none;box-shadow:0 6px 22px rgba(0,200,83,.32);transition:.26s;}
.btn-android:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(0,200,83,.48);}
.btn-desktop{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,#1565C0,#1976D2);color:#fff;padding:16px 30px;border-radius:var(--rr);font-size:.9rem;font-weight:800;text-decoration:none;box-shadow:0 6px 22px rgba(25,118,210,.32);transition:.26s;}
.btn-desktop:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(25,118,210,.48);}
.btn-apple{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,#424242,#212121);color:#fff;padding:16px 30px;border-radius:var(--rr);font-size:.9rem;font-weight:800;text-decoration:none;border:1px solid rgba(255,255,255,.14);box-shadow:0 6px 22px rgba(0,0,0,.45);transition:.26s;}
.btn-apple:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(0,0,0,.6);border-color:rgba(255,255,255,.22);}

/* ── FEATURE SLIDE ───────────────────────────────────────── */
/* Section override: thu nhỏ padding để vừa 1 màn hình */
#feats{padding-top:56px;padding-bottom:44px;}
#feats .cc{margin-bottom:32px;}

.feat-slide{border-radius:24px;border:1px solid var(--brd);overflow:hidden;position:relative;}
.feat-track{display:flex;will-change:transform;transition:transform .72s cubic-bezier(.4,0,.2,1);}
/* height = 100vh trừ: nav~64 + pt56 + heading~110 + cc-mb32 + nav-mt16 + nav-h44 + pb44 = ~366 → dùng 370 */
.feat-item{flex:0 0 100%;display:grid;grid-template-columns:2fr 1fr;height:calc(100vh - 370px);min-height:340px;max-height:580px;}
.feat-item:nth-child(even){direction:rtl;}
.feat-item:nth-child(even) .feat-body{direction:ltr;}
.feat-item:nth-child(even) .feat-img-wrap::after{background:linear-gradient(270deg,transparent 70%,var(--bg3));}
.feat-img-wrap{overflow:hidden;position:relative;}
.feat-img-wrap img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform 7s ease;}
.feat-slide:hover .feat-img-wrap img{transform:scale(1.05);}
.feat-img-wrap::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent 70%,var(--bg3));pointer-events:none;}
.feat-body{padding:40px 32px;background:var(--bg3);display:flex;flex-direction:column;justify-content:center;gap:12px;}
.feat-num{font-size:.68rem;font-weight:800;letter-spacing:3px;color:var(--gr1);text-transform:uppercase;}
.feat-title{font-size:1.45rem;font-weight:900;letter-spacing:-.5px;line-height:1.16;}
.feat-desc{font-size:.85rem;color:var(--sub);line-height:1.75;}
.feat-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:2px;}
.feat-tag{padding:4px 12px;border-radius:var(--pill);font-size:.66rem;font-weight:700;background:rgba(0,230,118,.1);color:var(--gr1);border:1px solid rgba(0,230,118,.2);}
.feat-slide-nav{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:16px;}
.feat-arr{width:44px;height:44px;border-radius:50%;background:var(--card);border:1px solid var(--brd);color:var(--txt);font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.22s;}
.feat-arr:hover{background:rgba(0,230,118,.15);border-color:rgba(0,230,118,.4);color:var(--gr1);}
.feat-dots{display:flex;gap:8px;}
.feat-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.18);cursor:pointer;transition:.3s;}
.feat-dot.on{background:var(--gr1);transform:scale(1.55);}
.feat-counter{font-size:.72rem;color:var(--sub);min-width:36px;text-align:center;}

/* ── RESOURCES GUIDE ─────────────────────────────────────── */
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.res-card{padding:28px 22px;border-radius:20px;background:var(--card);border:1px solid var(--brd);transition:.32s;display:flex;flex-direction:column;gap:6px;}
.res-card:hover{border-color:rgba(0,230,118,.32);transform:translateY(-6px);background:rgba(0,230,118,.03);}
.res-ico{font-size:2rem;line-height:1;}
.res-ico img{width:52px;height:52px;object-fit:contain;image-rendering:pixelated;filter:drop-shadow(0 2px 8px rgba(0,0,0,.5));}
.res-name{font-size:.98rem;font-weight:900;margin-top:6px;}
.res-sub{font-size:.74rem;color:var(--sub);margin-bottom:4px;}
.res-ways{display:flex;flex-direction:column;gap:5px;margin-top:2px;}
.res-way{font-size:.77rem;color:var(--sub);display:flex;align-items:flex-start;gap:8px;line-height:1.45;}
.res-arr{color:var(--gr1);font-size:.68rem;flex-shrink:0;margin-top:3px;}

/* ── FB POSTS (HOME) ─────────────────────────────────────── */
.fb-posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.fb-card{border-radius:16px;background:var(--card);border:1px solid var(--brd);overflow:hidden;text-decoration:none;color:var(--txt);transition:.35s;display:flex;flex-direction:column;cursor:pointer;}
.fb-card:hover{transform:translateY(-7px);border-color:rgba(66,103,178,.48);box-shadow:0 18px 44px rgba(0,0,0,.35);}
.fb-card-hd{padding:12px 14px;display:flex;align-items:center;gap:10px;}
.fb-av{width:36px;height:36px;border-radius:50%;background:var(--gr3);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0;}
.fb-meta{flex:1;min-width:0;}
.fb-page{font-size:.82rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.fb-time{font-size:.67rem;color:var(--sub);margin-top:1px;}
.fb-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;}
.fb-thumb-empty{width:100%;aspect-ratio:4/3;background:var(--gr3);}
.fb-thumb-wrap{position:relative;display:block;line-height:0;}
.fb-vid-badge{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.3);pointer-events:none;}
.fb-vid-badge span{width:48px;height:48px;border-radius:50%;background:rgba(0,0,0,.68);border:2px solid rgba(255,255,255,.7);display:flex;align-items:center;justify-content:center;transition:.2s;}
.fb-card:hover .fb-vid-badge span{background:rgba(0,0,0,.85);border-color:#fff;transform:scale(1.08);}
.fb-vid-badge svg{margin-left:3px;}
.fb-thumb-no-img{width:100%;aspect-ratio:16/9;background:linear-gradient(135deg,#0c1a2e,#0a2010);display:flex;align-items:center;justify-content:center;}
.fb-thumb-no-img svg{opacity:.35;}
.fb-body{padding:11px 14px 8px;flex:1;}
.fb-text{font-size:.8rem;color:var(--sub);line-height:1.58;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;}
.fb-foot{padding:8px 14px;border-top:1px solid rgba(255,255,255,.05);display:flex;gap:13px;align-items:center;}
.fb-stat{font-size:.68rem;color:rgba(255,255,255,.28);}
.fb-read{margin-left:auto;font-size:.72rem;font-weight:700;color:var(--thuy);white-space:nowrap;}
.fb-skeleton{pointer-events:none;}
.fb-sk-img{background:var(--gr3);width:100%;aspect-ratio:16/9;animation:fb-pulse 1.4s ease-in-out infinite;}
.fb-sk-body{padding:12px 14px;}
.fb-sk-line{height:11px;border-radius:6px;background:var(--gr3);margin-bottom:8px;animation:fb-pulse 1.4s ease-in-out infinite;}
.fb-sk-short{width:55%;}
@keyframes fb-pulse{0%,100%{opacity:.3}50%{opacity:.65}}
.fb-err{grid-column:1/-1;text-align:center;padding:48px 20px;color:var(--sub);font-size:.9rem;}
.fb-err a{color:var(--thuy);text-decoration:underline;}
.fb-posts-footer{text-align:center;margin-top:28px;display:flex;gap:12px;flex-wrap:wrap;justify-content:center;}
.fb-visit-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:#1877F2;color:#fff;border-radius:40px;font-weight:700;font-size:.87rem;text-decoration:none;transition:.25s;}
.fb-visit-btn:hover{background:#1558b0;transform:translateY(-2px);box-shadow:0 8px 24px rgba(24,119,242,.4);}
.fb-all-btn{display:none;align-items:center;gap:8px;padding:12px 28px;background:rgba(0,230,118,.1);color:var(--gr1);border:1px solid rgba(0,230,118,.3);border-radius:40px;font-weight:700;font-size:.87rem;text-decoration:none;transition:.25s;}
.fb-all-btn:hover{background:rgba(0,230,118,.18);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,230,118,.25);}

/* ── POST POPUP (HOME) ───────────────────────────────────── */
.pp-ov{position:fixed;inset:0;background:rgba(0,0,0,.82);backdrop-filter:blur(12px);z-index:8000;display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;pointer-events:none;transition:.22s;}
.pp-ov.open{opacity:1;pointer-events:all;}
.pp-box{background:#f0f2f5;border-radius:22px;width:min(540px,96vw);max-height:90vh;overflow:hidden;display:flex;flex-direction:column;position:relative;transform:translateY(24px) scale(.97);transition:.22s;box-shadow:0 40px 100px rgba(0,0,0,.7);}
.pp-ov.open .pp-box{transform:none;}
.pp-close{position:absolute;top:10px;right:10px;z-index:10;width:30px;height:30px;border-radius:50%;background:rgba(0,0,0,.32);border:none;color:#fff;font-size:.85rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s;}
.pp-close:hover{background:rgba(0,0,0,.55);}
.pp-embed-wrap{flex:1;overflow-y:auto;line-height:0;background:#f0f2f5;}
.pp-embed-wrap iframe{width:100%;min-height:580px;display:block;border:none;overflow:hidden;}
.pp-bar{background:#1a1d27;border-top:1px solid rgba(255,255,255,.08);padding:10px 14px;display:flex;gap:8px;flex-shrink:0;}
.pp-fb-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;background:#1877F2;color:#fff;border-radius:10px;font-weight:700;font-size:.85rem;text-decoration:none;transition:.2s;}
.pp-fb-btn:hover{background:#1558b0;}
.pp-dismiss{padding:11px 16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:10px;color:rgba(237,240,255,.5);font-size:.82rem;cursor:pointer;font-family:inherit;transition:.15s;}
.pp-dismiss:hover{background:rgba(255,255,255,.1);color:#EDF0FF;}

/* ── FOOTER (HOME ONLY) ──────────────────────────────────── */
footer{background:#030508;border-top:1px solid var(--brd);padding:60px 56px 32px;}
.ft{max-width:1160px;margin:0 auto;}
.ft-top{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:52px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.04);margin-bottom:30px;}
.ft-brand p{font-size:.82rem;color:rgba(255,255,255,.2);line-height:1.8;margin-top:14px;max-width:260px;}
.ft-col h4{font-size:.67rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:rgba(255,255,255,.18);margin-bottom:16px;}
.ft-col ul{list-style:none;display:flex;flex-direction:column;gap:9px;}
.ft-col a{font-size:.84rem;color:rgba(255,255,255,.3);text-decoration:none;transition:.2s;}
.ft-col a:hover{color:var(--gr1);}
.ft-bot{display:flex;justify-content:space-between;align-items:center;}
.ft-copy{font-size:.73rem;color:rgba(255,255,255,.11);}
.ft-by{display:flex;align-items:center;gap:7px;font-size:.73rem;color:rgba(255,255,255,.14);}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media(max-width:1100px){
  .s{padding:72px 24px;}
  #hero{padding:100px 24px 40px;}
  .n-links{display:none;}
  .class-grid{grid-template-columns:repeat(3,1fr);}
  .intro-grid{grid-template-columns:1fr;}
  .dl-grid{grid-template-columns:1fr;}
  .dl-art{display:none;}
  .ft-top{grid-template-columns:1fr 1fr;}
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .maps-big{grid-template-columns:1fr;}
  .mc-s{height:220px;}
  .maps-row{grid-template-columns:1fr 1fr;}
  .ev-card{flex:0 0 calc(50% - 9px);}
  .comm-grid{grid-template-columns:1fr 1fr;}
  .feat-item{grid-template-columns:1fr;min-height:auto;direction:ltr!important;}
  .feat-img-wrap{height:260px;}
  .feat-img-wrap::after{display:none;}
  .feat-body{padding:28px 24px;}
  .res-grid{grid-template-columns:1fr 1fr;}
  .fb-posts-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  .class-grid{grid-template-columns:1fr 1fr;}
  .maps-row{grid-template-columns:1fr;}
  .ev-card{flex:0 0 100%;}
  .comm-grid{grid-template-columns:1fr;}
  .ft-top{grid-template-columns:1fr;}
  .res-grid{grid-template-columns:1fr;}
  .fb-posts-grid{grid-template-columns:1fr;}
  .pp-bar{flex-direction:column;}
}
@media(max-width:540px){
  .ft-bot{flex-direction:column;gap:10px;text-align:center;}
  footer{padding:40px 20px 24px;}
}

/* ════════════════════════════════════════════════════════════
   MOBILE ≤ 480px — Fix overlapping & layout issues
   ════════════════════════════════════════════════════════════ */
@media(max-width:480px){

  /* ── HERO ───────────────────────────────────────────────── */
  #hero{padding:80px 18px 32px;}
  /* Giảm letter-spacing tránh chữ đè nhau ở font nhỏ */
  .hero-h{letter-spacing:-1.5px;margin-bottom:18px;}
  .hero-pill{font-size:.66rem;padding:6px 14px;margin-bottom:20px;}
  .hero-p{font-size:.88rem;line-height:1.7;margin-bottom:26px;}
  /* Buttons hero: thu nhỏ, đảm bảo không tràn */
  .btn-main{padding:13px 22px;font-size:.86rem;}
  .btn-ghost{padding:12px 18px;font-size:.86rem;}
  .hero-btns{gap:10px;}
  /* Platform tags: cho wrap gọn */
  .plats{flex-wrap:wrap;gap:10px;row-gap:6px;font-size:.7rem;}

  /* ── HERO CHARS: ẩn trái/phải, thu nhỏ giữa ────────────── */
  .hero-chars{height:260px;margin-top:4px;}
  .hc-l,.hc-r{display:none;}                    /* Ẩn 2 char bên */
  .hc-c .hc-f img{height:260px;}                /* Scale down char giữa */
  .hero-glow-ground{width:280px;height:80px;}

  /* ── STATS BAR ──────────────────────────────────────────── */
  .stat-n{font-size:1.85rem;}
  .stat-i{padding:18px 8px;}
  .stat-l{font-size:.58rem;letter-spacing:.5px;}

  /* ── SECTIONS ───────────────────────────────────────────── */
  .s{padding:52px 18px;}
  .cc{margin-bottom:38px;}
  .sh{font-size:clamp(1.55rem,5.8vw,2.1rem);letter-spacing:-.6px;}
  .sp{font-size:.88rem;}

  /* ── CLASS CARDS ────────────────────────────────────────── */
  .cls-img{height:170px;}
  .cls-img img{height:155px;}
  .cls-info{padding:11px 12px 13px;}
  .cls-name{font-size:.87rem;}
  .cls-sub{font-size:.68rem;}
  .cls-badge{font-size:.6rem;padding:3px 10px;}

  /* ── MAPS ───────────────────────────────────────────────── */
  .mc-h,.mc-s{height:195px;}
  .mc-sm{height:140px;}
  .mc-overlay{padding:18px 14px 12px;}
  .mc-name{font-size:.88rem;}

  /* ── EVENTS CAROUSEL ────────────────────────────────────── */
  .ev-card{padding:22px 18px;}
  .ev-ico{font-size:2rem;margin-bottom:12px;}
  .ev-nm{font-size:.95rem;}

  /* ── FEATURE SLIDE ──────────────────────────────────────── */
  #feats{padding-top:44px;padding-bottom:32px;}
  .feat-img-wrap{height:195px;}
  .feat-body{padding:18px 16px;gap:8px;}
  .feat-title{font-size:1.15rem;}
  .feat-desc{font-size:.8rem;}

  /* ── RESOURCES ──────────────────────────────────────────── */
  .res-card{padding:18px 14px;}
  .res-ico img{width:42px;height:42px;}
  .res-name{font-size:.9rem;}

  /* ── DOWNLOAD ───────────────────────────────────────────── */
  .dl-h{font-size:clamp(1.7rem,6.5vw,2.5rem);letter-spacing:-1px;}
  .dl-p{font-size:.88rem;margin-bottom:24px;}
  /* Buttons: stack dọc, full width */
  .dl-btns{flex-direction:column;gap:10px;}
  .btn-android,.btn-desktop,.btn-apple{
    width:100%;justify-content:center;
    padding:14px 20px;
  }
  .dl-tags{gap:12px;}

  /* ── COMMUNITY ──────────────────────────────────────────── */
  .comm-card{padding:22px 18px;gap:10px;}
  .comm-ico{font-size:2.4rem;}
  .comm-name{font-size:1rem;}
  .comm-desc{font-size:.8rem;}

  /* ── INTRO SPLIT ────────────────────────────────────────── */
  .intro-grid>div:last-child{padding-left:0;}
  .tag-row{gap:6px;}
  .tag{padding:5px 12px;font-size:.68rem;}

  /* ── FB POSTS ───────────────────────────────────────────── */
  .fb-card{border-radius:12px;}
  .fb-text{-webkit-line-clamp:3;}

  /* ── FOOTER ─────────────────────────────────────────────── */
  footer{padding:36px 16px 20px;}
  .ft-top{gap:22px;}
  .ft-col h4{margin-bottom:10px;}
  .ft-col ul{gap:7px;}
}