:root{--navy:#071d3d;--navy2:#103965;--gold:#d8aa2b;--gold2:#f0c95c;--cream:#fbf8ef;--text:#132139;--muted:#68758a;--line:#e3e8ef;--jade:#0e9c91;--shadow:0 20px 55px rgba(7,29,61,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;font-family:"Be Vietnam Pro",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.65}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}button,input,select{font:inherit}h1,h2,h3,p{margin-top:0}h1,h2{font-family:"Be Vietnam Pro",Arial,sans-serif;letter-spacing:0;word-spacing:0;text-rendering:optimizeLegibility}h1{font-size:clamp(42px,5.2vw,76px);line-height:1.04;margin-bottom:22px}h1 em{font-style:normal;color:var(--gold2)}h2{font-size:clamp(32px,3.8vw,56px);line-height:1.13;margin-bottom:18px}h3{font-size:22px;line-height:1.3;margin:6px 0 10px}.wrap{width:min(1180px,calc(100% - 36px));margin:auto}.section{padding:86px 0}.soft{background:linear-gradient(180deg,#f5f9fb,#eef6f6)}.dark{background:linear-gradient(135deg,#061831,#0a2d52);color:#fff}.eyebrow{display:inline-block;font-weight:800;letter-spacing:.08em;color:var(--gold);font-size:13px;margin-bottom:14px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:14px 24px;font-weight:800;transition:.25s}.btn:hover{transform:translateY(-2px)}.gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#10203a;box-shadow:0 12px 25px rgba(216,170,43,.25)}.light{background:#fff;color:var(--navy);border:1px solid rgba(255,255,255,.35)}#progress{position:fixed;top:0;left:0;height:4px;width:0;background:linear-gradient(90deg,var(--gold),var(--jade));z-index:200}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(7,29,61,.08)}.header-inner{min-height:86px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px;min-width:240px;font-weight:800}.brand img{width:74px;height:42px;object-fit:contain}.brand span{font-size:16px;line-height:1.2}nav{display:flex;align-items:center;gap:20px;margin-left:auto}nav a{font-size:13px;font-weight:700;position:relative}nav a:not(.nav-cta):after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:linear-gradient(90deg,var(--gold),var(--jade));transform:scaleX(0);transition:.25s}nav a:hover:after{transform:scaleX(1)}.nav-cta{background:linear-gradient(135deg,var(--gold),var(--gold2));padding:12px 18px;border-radius:999px}.menu{display:none;margin-left:auto;border:0;background:var(--navy);color:#fff;font-size:25px;padding:10px 14px;border-radius:15px}.hero{background:radial-gradient(circle at 80% 20%,#17456e 0,#071d3d 55%,#04142b 100%);color:#fff;padding:44px 0}.hero-grid{display:grid;grid-template-columns:230px 1.2fr 1fr;gap:32px;align-items:center}.hero-logo{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:28px;padding:18px}.hero-logo img{width:100%;aspect-ratio:1/1;object-fit:contain;border-radius:20px}.hero-copy p{font-size:18px;color:#dbe7f2;max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0}.hero-points{display:flex;gap:22px;flex-wrap:wrap;color:#f2d16e;font-weight:700;font-size:14px}.hero-art img{border-radius:28px;box-shadow:0 26px 65px rgba(0,0,0,.28);aspect-ratio:4/3;object-fit:cover}.logos{padding:34px 0;background:var(--cream)}.logo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.logo-grid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:26px;min-height:210px;padding:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 32px rgba(7,29,61,.06)}.logo-grid img{max-height:165px;width:auto;object-fit:contain}.two{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.art{width:100%;border-radius:28px;box-shadow:var(--shadow);object-fit:cover}.copy p,.section-title p{color:var(--muted);font-size:18px}.values{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:25px}.values article{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 25px rgba(7,29,61,.06)}.values b,.values span{display:block}.values b{color:var(--gold);margin-bottom:7px}.leader{display:grid;grid-template-columns:310px 1fr;gap:46px;align-items:center;background:#fff;padding:18px;border-radius:30px;box-shadow:var(--shadow)}.leader img{width:100%;height:390px;object-fit:cover;border-radius:24px}.leader ul{padding-left:22px}.leader li{margin:8px 0}.section-title{text-align:center;max-width:900px}.cards-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:34px}.media-card{background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.media-card img{width:100%;height:300px;object-fit:cover}.media-card div{padding:24px}.media-card b{color:var(--gold)}.quick-links{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:22px}.quick-links a{padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff}.quick-links b,.quick-links span{display:block}.quick-links span{color:var(--muted);font-size:14px;margin-top:6px}.timeline{position:relative;padding-left:32px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--gold),var(--jade))}.timeline article{position:relative;padding:0 0 25px 35px}.timeline article:before{content:"";position:absolute;left:-32px;top:5px;width:18px;height:18px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 8px rgba(216,170,43,.17)}.timeline b{color:var(--gold)}.roadmap-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.road-list{display:grid;gap:16px}.road-list article{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 25px rgba(7,29,61,.06);border-left:4px solid var(--gold)}.road-list b{color:var(--gold)}.dark .section-title p{color:#d7e3ef}.rules{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-top:34px}.rules article{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);padding:24px;border-radius:22px}.rules article>span{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--gold);color:var(--navy);font-weight:800}.map-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:34px;align-items:start}.days{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.day{display:flex;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);background:#f7f9fc;padding:12px;border-radius:16px;font-weight:700;color:var(--text);cursor:pointer;min-height:62px}.day:hover{border-color:var(--gold);transform:translateY(-2px)}.day b{display:grid;place-items:center;flex:0 0 36px;height:36px;border-radius:50%;background:var(--navy);color:#fff}.video-wrap{padding:12px;background:var(--navy);border-radius:28px;box-shadow:var(--shadow)}.video-wrap video{width:100%;display:block;border-radius:20px;max-height:680px}.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.testimonials article{padding:24px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 14px 35px rgba(7,29,61,.07)}.testimonials article div{color:var(--gold)}.testimonials b,.testimonials span{display:block}.testimonials span{font-size:13px;color:var(--muted);margin-top:4px}.connect h2{font-size:clamp(30px,3.2vw,48px)}.register{background:linear-gradient(135deg,#f7fbfb,#fff8e8)}.register-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:start}.register form{background:#fff;padding:28px;border-radius:28px;box-shadow:var(--shadow);display:grid;gap:15px}.register label{font-weight:700;font-size:14px}.register input,.register select{display:block;width:100%;margin-top:7px;padding:14px;border:1px solid #d7dee8;border-radius:14px;background:#fbfcfe}.register button{border:0}.privacy{font-size:12px;color:var(--muted)}.success{background:#e8fbf6;padding:14px;border-radius:12px}.success a{font-weight:800;color:var(--jade)}footer{background:#04162f;color:#fff;padding:48px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr;gap:28px}.footer-grid img{width:130px;max-height:80px;object-fit:contain;background:#fff;border-radius:12px;margin-bottom:12px}.footer-grid a{display:block;color:#f1cb58;margin-top:8px}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:25px;padding-top:18px;font-size:13px;color:#aebed0}.floating{position:fixed;right:14px;bottom:14px;z-index:90;display:flex;flex-direction:column;gap:9px}.floating a{color:#fff;padding:12px 17px;border-radius:18px;box-shadow:0 15px 30px rgba(7,29,61,.22)}.floating b,.floating span{display:block}.floating span{font-size:11px}.zalo{background:linear-gradient(135deg,#11a99d,#07867f)}.hotline{background:linear-gradient(135deg,#d8aa2b,#f0c95c);color:#10203a!important}.modal{position:fixed;inset:0;background:rgba(4,18,39,.72);display:none;align-items:center;justify-content:center;padding:20px;z-index:300}.modal.show{display:flex}.modal-card{position:relative;width:min(760px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:26px;padding:30px}.modal-card>button{position:absolute;right:16px;top:14px;border:0;width:38px;height:38px;border-radius:50%;font-size:24px}.modal-card h3{font-size:30px;margin-right:40px}.modal-card h4{margin-bottom:6px;color:var(--navy)}.modal-card p{color:#4f5d71}.lesson-box{background:#f4f8fb;border-left:4px solid var(--gold);padding:16px;border-radius:14px;margin-top:14px}
@media(max-width:1050px){nav{display:none;position:absolute;left:18px;right:18px;top:75px;background:#fff;box-shadow:var(--shadow);border-radius:20px;padding:18px;grid-template-columns:1fr 1fr}nav.open{display:grid}.menu{display:block}.hero-grid{grid-template-columns:190px 1fr}.hero-art{grid-column:1/-1}.quick-links,.rules{grid-template-columns:1fr 1fr}.testimonials{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.section{padding:58px 0}.header-inner{min-height:72px}.brand{min-width:0}.brand img{width:58px}.brand span{font-size:14px}.hero-grid,.two,.leader,.roadmap-grid,.map-layout,.register-grid{grid-template-columns:1fr}.hero-logo{max-width:190px;margin:auto}.hero-copy{text-align:center}.hero-actions,.hero-points{justify-content:center}.hero-art img{max-height:360px}.logo-grid{grid-template-columns:1fr}.logo-grid figure{min-height:170px}.values,.cards-2,.quick-links,.rules,.days,.testimonials{grid-template-columns:1fr}.leader{padding:15px}.leader img{height:360px}.media-card img{height:230px}.floating{left:10px;right:10px;bottom:9px;flex-direction:row}.floating a{flex:1;text-align:center;padding:10px}.footer-grid{grid-template-columns:1fr}.video-wrap{padding:7px}.modal-card{padding:24px 20px}.modal-card h3{font-size:24px}footer{padding-bottom:90px}}


/* ===== V14: hero hòa nền, 4 logo cân bằng, menu không tách chữ ===== */
nav a,
.nav-nowrap{
  white-space:nowrap;
  word-break:keep-all;
}
.header-inner{
  gap:18px;
}
nav{
  gap:15px;
}
nav a{
  font-size:12.5px;
}

.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 76% 32%, rgba(34,88,135,.72) 0, rgba(7,29,61,.25) 32%, transparent 58%),
    linear-gradient(115deg,#03142c 0%,#082e59 58%,#06192f 100%);
}
.hero:before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 88% 28%,rgba(216,170,43,.16),transparent 24%),
    linear-gradient(90deg,rgba(3,20,44,.96) 0%,rgba(3,20,44,.70) 50%,rgba(3,20,44,.18) 100%);
}
.hero-grid{
  position:relative;
  z-index:1;
  grid-template-columns:220px minmax(390px,1.05fr) minmax(330px,.95fr);
}
.hero-logo-integrated{
  background:transparent;
  border:0;
  box-shadow:none;
  padding:0;
}
.hero-logo-integrated img{
  width:100%;
  max-height:330px;
  aspect-ratio:auto;
  object-fit:contain;
  border-radius:0;
  filter:drop-shadow(0 18px 24px rgba(0,0,0,.30));
}
.hero-art{
  position:relative;
}
.hero-art:after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:28px;
  pointer-events:none;
  background:linear-gradient(90deg,rgba(7,29,61,.40),transparent 30%);
}
.hero-art img{
  width:100%;
  min-height:390px;
  object-fit:cover;
  border:1px solid rgba(255,255,255,.12);
}

.logo-grid-four{
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.logo-grid-four figure{
  min-height:205px;
  padding:16px;
}
.logo-grid-four img{
  width:100%;
  height:165px;
  max-height:165px;
  object-fit:contain;
}
.logo-grid-four .dark-logo{
  background:#111;
}
.logo-grid-four .dark-logo img{
  object-fit:contain;
}

@media(max-width:1180px){
  .header-inner{gap:12px}
  nav{gap:10px}
  nav a{font-size:11.5px}
  .brand{min-width:210px}
}
@media(max-width:1050px){
  .hero-grid{
    grid-template-columns:180px 1fr;
  }
  .hero-art{
    grid-column:1/-1;
  }
  .logo-grid-four{
    grid-template-columns:repeat(2,1fr);
  }
}
@media(max-width:760px){
  .hero-grid{
    grid-template-columns:1fr;
    text-align:center;
  }
  .hero-logo-integrated{
    max-width:210px;
    margin:0 auto;
  }
  .hero-art img{
    min-height:260px;
  }
  .logo-grid-four{
    grid-template-columns:1fr 1fr;
  }
  .logo-grid-four figure{
    min-height:145px;
    padding:10px;
  }
  .logo-grid-four img{
    height:120px;
    max-height:120px;
  }
}
@media(max-width:460px){
  .logo-grid-four{
    grid-template-columns:1fr;
  }
  .logo-grid-four figure{
    min-height:160px;
  }
  .logo-grid-four img{
    height:135px;
    max-height:135px;
  }
}


/* ===== V15: HERO cân đối, logo nét, hình ảnh hòa chìm vào nền ===== */
.hero{
  padding:54px 0 58px;
  min-height:520px;
  background:
    radial-gradient(circle at 82% 38%, rgba(50,103,145,.42) 0%, rgba(12,47,84,.18) 30%, transparent 58%),
    linear-gradient(108deg,#03152e 0%,#082f5b 58%,#061a31 100%);
}
.hero:before{
  background:
    radial-gradient(circle at 84% 34%,rgba(230,184,71,.11),transparent 25%),
    linear-gradient(90deg,rgba(3,21,46,.98) 0%,rgba(3,21,46,.80) 45%,rgba(3,21,46,.18) 100%);
}
.hero-grid{
  width:min(1240px,calc(100% - 40px));
  grid-template-columns:230px minmax(430px,1fr) minmax(360px,440px);
  gap:34px;
  align-items:center;
}
.hero-logo-integrated{
  max-width:230px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-logo-integrated img{
  width:100%;
  max-height:330px;
  object-fit:contain;
  filter:
    drop-shadow(0 10px 18px rgba(0,0,0,.28))
    drop-shadow(0 0 10px rgba(230,184,71,.12));
}
.hero-copy{
  min-width:0;
  max-width:620px;
}
.hero-copy .eyebrow{
  font-size:13px;
  letter-spacing:.08em;
}
.hero-copy h1{
  font-size:clamp(42px,4.25vw,65px);
  line-height:1.04;
  letter-spacing:-.035em;
  max-width:610px;
  margin:12px 0 20px;
  text-wrap:balance;
}
.hero-copy h1 em{
  color:#f3c34c;
  font-style:normal;
}
.hero-copy p{
  max-width:590px;
  font-size:17px;
  line-height:1.72;
}
.hero-actions{
  margin:24px 0 22px;
}
.hero-points{
  gap:18px;
  font-size:13px;
}
.hero-art-blended{
  height:420px;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:visible;
  isolation:isolate;
}
.hero-art-blended:after{
  display:none;
}
.hero-art-blended img{
  width:112%;
  max-width:none;
  min-height:0;
  height:100%;
  object-fit:contain;
  border:0;
  border-radius:0;
  box-shadow:none;
  filter:
    drop-shadow(0 24px 35px rgba(0,0,0,.18))
    saturate(1.04);
}

/* Giữ 4 logo phía dưới cân đối */
.logo-grid-four figure{
  min-height:196px;
}
.logo-grid-four img{
  height:154px;
  max-height:154px;
}

/* Responsive */
@media(max-width:1180px){
  .hero-grid{
    grid-template-columns:190px minmax(390px,1fr) minmax(300px,370px);
    gap:26px;
  }
  .hero-copy h1{
    font-size:clamp(39px,4vw,55px);
  }
  .hero-art-blended{
    height:370px;
  }
}
@media(max-width:980px){
  .hero{
    padding-top:42px;
  }
  .hero-grid{
    grid-template-columns:180px 1fr;
  }
  .hero-logo-integrated{
    max-width:180px;
  }
  .hero-copy{
    max-width:none;
  }
  .hero-art-blended{
    grid-column:1/-1;
    height:330px;
    margin-top:4px;
  }
  .hero-art-blended img{
    width:100%;
  }
}
@media(max-width:760px){
  .hero{
    min-height:auto;
    padding:36px 0 46px;
  }
  .hero-grid{
    width:min(100% - 28px,1240px);
    grid-template-columns:1fr;
    gap:20px;
  }
  .hero-logo-integrated{
    max-width:170px;
  }
  .hero-copy{
    text-align:center;
  }
  .hero-copy h1{
    font-size:clamp(34px,10vw,46px);
    margin-left:auto;
    margin-right:auto;
  }
  .hero-copy p{
    font-size:15px;
    margin-left:auto;
    margin-right:auto;
  }
  .hero-art-blended{
    height:270px;
    margin-top:0;
  }
}
@media(max-width:480px){
  .hero-logo-integrated{
    max-width:145px;
  }
  .hero-copy h1{
    font-size:34px;
  }
  .hero-art-blended{
    height:230px;
  }
}


/* ===== V16 tương tác, video tự chạy, đánh giá trực tiếp ===== */
.reveal-up{
  opacity:0;
  transform:translateY(54px) scale(.985);
  transition:opacity .72s ease,transform .78s cubic-bezier(.2,.8,.2,1);
}
.reveal-up.in-view{
  opacity:1;
  transform:translateY(0) scale(1);
  animation:softBounce .72s ease both;
}
@keyframes softBounce{
  0%{transform:translateY(44px) scale(.98)}
  65%{transform:translateY(-8px) scale(1.006)}
  100%{transform:translateY(0) scale(1)}
}
.pressable,.interactive-cards a,.day-button,.testimonials article,.media-card,.rules article{
  position:relative;
  overflow:hidden;
  -webkit-tap-highlight-color:transparent;
  transition:transform .2s ease,box-shadow .25s ease,filter .25s ease;
}
.pressable:active,.interactive-cards a:active,.day-button:active,.testimonials article:active,.media-card:active,.rules article:active{
  transform:scale(.965);
}
.click-ripple{
  position:absolute;
  border-radius:50%;
  transform:scale(0);
  animation:ripple .55s linear;
  background:rgba(255,255,255,.42);
  pointer-events:none;
}
@keyframes ripple{to{transform:scale(4);opacity:0}}

.hero-logo-integrated img{
  image-rendering:auto;
  filter:drop-shadow(0 14px 24px rgba(0,0,0,.30)) drop-shadow(0 0 9px rgba(229,179,58,.18));
}

.feedback-submit{
  margin-top:34px;
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:28px;
  padding:28px;
  border:1px solid rgba(8,29,58,.10);
  border-radius:28px;
  background:linear-gradient(145deg,#fff,#f7f5ef);
  box-shadow:0 18px 46px rgba(8,29,58,.09);
}
.feedback-form-copy h3{font-size:30px;margin:10px 0 12px}
.feedback-form-copy p{color:var(--muted);line-height:1.7}
.review-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.review-form label{display:flex;flex-direction:column;gap:7px;font-weight:700}
.review-form label:last-of-type,.rating-field,.review-form .btn,.review-success{grid-column:1/-1}
.review-form input,.review-form textarea{
  width:100%;padding:13px 14px;border:1px solid rgba(8,29,58,.14);
  border-radius:14px;font:inherit;background:#fff;outline:none;
}
.review-form input:focus,.review-form textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(212,175,55,.12)}
.rating-field{display:flex;align-items:center;justify-content:space-between;gap:14px;font-weight:700}
.star-picker{display:flex;gap:3px}
.star-picker button{border:0;background:transparent;color:#d8d8d8;font-size:30px;cursor:pointer;padding:2px}
.star-picker button.active{color:#dcae29;filter:drop-shadow(0 3px 5px rgba(220,174,41,.25))}
.review-success{padding:12px 14px;border-radius:12px;background:#e9f9f4;color:#08796b;font-weight:700}

.interest-toast{
  position:fixed;left:20px;bottom:20px;width:min(390px,calc(100vw - 40px));
  z-index:96;background:rgba(255,253,247,.97);border:1px solid rgba(212,175,55,.42);
  border-radius:24px;padding:19px 22px;box-shadow:0 24px 55px rgba(8,29,58,.24);
  transform:translateY(135%);opacity:0;transition:.55s cubic-bezier(.2,.8,.2,1);
}
.interest-toast.show{transform:translateY(0);opacity:1}
.interest-close{position:absolute;right:12px;top:10px;border:0;background:#e9eeec;border-radius:50%;width:32px;height:32px;font-size:21px;cursor:pointer}
.interest-count{font-size:18px;color:#16493f;display:flex;align-items:center;gap:8px;padding-right:30px}
.pulse-dot{width:14px;height:14px;border-radius:50%;background:#31b88b;box-shadow:0 0 0 7px rgba(49,184,139,.14);animation:pulse 1.6s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 12px rgba(49,184,139,0)}}
.interest-label{display:inline-block;margin:10px 0 6px;padding:5px 10px;border-radius:999px;background:#f5e3ad;color:#836113;font-size:12px;font-weight:800}
.interest-toast p{margin:5px 0 9px;line-height:1.45;color:#435164}
.interest-toast a{color:#931f3c;font-weight:800}

.scroll-tools{position:fixed;right:16px;bottom:170px;z-index:95;display:flex;flex-direction:column;gap:9px}
.scroll-tools button{width:48px;height:48px;border:1px solid rgba(212,175,55,.35);border-radius:15px;background:#063f43;color:#fff;font-size:25px;cursor:pointer;box-shadow:0 10px 24px rgba(8,29,58,.22);transition:.2s}
.scroll-tools button:active{transform:scale(.9)}

.video-wrap video.autoplaying{box-shadow:0 0 0 4px rgba(212,175,55,.22),0 20px 55px rgba(8,29,58,.18)}

@media(max-width:760px){
  .feedback-submit{grid-template-columns:1fr;padding:20px}
  .review-form{grid-template-columns:1fr}
  .review-form label,.rating-field,.review-form .btn,.review-success{grid-column:1}
  .rating-field{align-items:flex-start;flex-direction:column}
  .interest-toast{left:10px;bottom:88px;width:calc(100vw - 20px)}
  .scroll-tools{right:10px;bottom:210px}
  .scroll-tools button{width:43px;height:43px}
}


/* ===== V17: đổi tên thương hiệu, card bấm được, review mới ở cuối ===== */
.media-card-link{
  display:block;
  color:inherit;
  text-decoration:none;
  cursor:pointer;
}
.media-card-link:hover{
  transform:translateY(-5px);
  box-shadow:0 22px 48px rgba(8,29,58,.16);
}
.card-action{
  display:inline-flex;
  margin-top:12px;
  color:#b58710;
  font-weight:800;
  font-size:14px;
}
.user-review{
  border:1px solid rgba(13,122,116,.25);
  background:linear-gradient(145deg,#f7fffc,#ffffff);
}
.user-review:before{
  content:"CẢM NHẬN MỚI";
  display:inline-block;
  margin-bottom:10px;
  padding:4px 9px;
  border-radius:999px;
  background:#dff7ef;
  color:#08796b;
  font-size:11px;
  font-weight:800;
  letter-spacing:.04em;
}


/* ===== V19 FLIPBOOK / TRANG LẬT ===== */
html,body{
  overflow-x:hidden;
}
body.flip-mode{
  background:
    radial-gradient(circle at 18% 12%,rgba(212,175,55,.08),transparent 30%),
    linear-gradient(180deg,#f5f1e8 0%,#eef4f7 100%);
}
.flipbook{
  position:relative;
  min-height:calc(100vh - 84px);
  perspective:2200px;
  overflow:hidden;
}
.flip-page{
  position:absolute !important;
  inset:0;
  width:100%;
  min-height:calc(100vh - 84px);
  overflow-y:auto;
  overflow-x:hidden;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transform-origin:left center;
  transform:rotateY(12deg) translateX(4%) scale(.985);
  backface-visibility:hidden;
  transition:
    transform .78s cubic-bezier(.22,.72,.18,1),
    opacity .42s ease,
    visibility .42s;
  box-shadow:0 24px 70px rgba(8,29,58,.12);
  background:#fff;
}
.flip-page.active{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:rotateY(0deg) translateX(0) scale(1);
  z-index:3;
}
.flip-page.page-left{
  opacity:0;
  visibility:hidden;
  transform-origin:right center;
  transform:rotateY(-92deg) translateX(-8%) scale(.97);
  z-index:2;
}
.flip-page.page-right{
  opacity:0;
  visibility:hidden;
  transform-origin:left center;
  transform:rotateY(92deg) translateX(8%) scale(.97);
  z-index:2;
}
.flip-page::after{
  content:"";
  position:absolute;
  top:0;right:0;bottom:0;
  width:42px;
  pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(8,29,58,.08));
  opacity:.34;
}
.flip-controls{
  position:fixed;
  left:50%;
  bottom:18px;
  transform:translateX(-50%);
  z-index:140;
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 10px;
  border-radius:999px;
  background:rgba(4,25,51,.92);
  box-shadow:0 15px 36px rgba(8,29,58,.28);
  backdrop-filter:blur(12px);
}
.flip-controls button{
  width:48px;
  height:48px;
  border:0;
  border-radius:50%;
  background:linear-gradient(135deg,#d9ad36,#f0cb68);
  color:#08203d;
  font-size:34px;
  line-height:1;
  font-weight:800;
  cursor:pointer;
  transition:transform .18s ease,filter .18s ease;
}
.flip-controls button:active{transform:scale(.9)}
.flip-controls button:disabled{opacity:.35;cursor:not-allowed}
.flip-status{
  min-width:64px;
  text-align:center;
  color:white;
  font-weight:800;
  font-size:14px;
}
.flip-hint{
  position:fixed;
  left:50%;
  bottom:82px;
  transform:translateX(-50%);
  z-index:138;
  padding:7px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.88);
  color:#526174;
  font-size:12px;
  box-shadow:0 8px 20px rgba(8,29,58,.10);
}
body.flip-mode footer,
body.flip-mode .floating,
body.flip-mode .interest-toast,
body.flip-mode .scroll-tools{
  display:none !important;
}
.site-header{
  z-index:160;
}
.site-header nav a.active{
  color:#b98913;
}
.site-header nav a.active::after{
  transform:scaleX(1);
}

@media(max-width:900px){
  .flipbook{min-height:calc(100vh - 72px)}
  .flip-page{min-height:calc(100vh - 72px)}
  .flip-hint{display:none}
  .flip-controls{bottom:10px}
}
@media(max-width:640px){
  .flip-controls button{width:44px;height:44px;font-size:30px}
  .flip-status{min-width:52px}
  .flip-page{
    transition:
      transform .62s cubic-bezier(.22,.72,.18,1),
      opacity .32s ease;
  }
}


/* ===== V20: sửa trang lật, chữ nổi rõ, logo ở trang đầu ===== */
.flip-page{
  background:#ffffff;
  color:#14213a;
}
.flip-page.soft{
  background:linear-gradient(180deg,#f7fafc 0%,#eef5f7 100%);
}
.flip-page.dark{
  background:linear-gradient(135deg,#06162d,#0a2848 62%,#0d5260);
  color:#ffffff;
}
.flip-page.dark h2,
.flip-page.dark h3,
.flip-page.dark p,
.flip-page.dark .section-title p{
  color:#ffffff;
}
.flip-page.dark .eyebrow{
  color:#f2c247;
}
.flip-page .section-title,
.flip-page .copy,
.flip-page .timeline,
.flip-page .road-list,
.flip-page .rules{
  position:relative;
  z-index:2;
}
.flip-page h1,
.flip-page h2,
.flip-page h3,
.flip-page p,
.flip-page li,
.flip-page span,
.flip-page b{
  opacity:1 !important;
  visibility:visible !important;
}
.home-logos{
  position:relative;
  z-index:3;
  width:min(1240px,calc(100% - 40px));
  margin:38px auto 12px;
}
.home-logos .logo-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.home-logos figure{
  margin:0;
  min-height:188px;
  padding:16px;
  border-radius:24px;
  background:#fff;
  border:1px solid rgba(8,29,58,.10);
  box-shadow:0 14px 32px rgba(8,29,58,.08);
  display:flex;
  align-items:center;
  justify-content:center;
}
.home-logos figure.dark-logo{
  background:#111;
}
.home-logos img{
  width:100%;
  height:150px;
  object-fit:contain;
}
.page-home{
  padding-bottom:110px !important;
}
.page-leader{
  overflow-y:auto !important;
  padding-bottom:130px !important;
}
.page-leader .leader{
  min-height:calc(100vh - 180px);
  align-items:center;
}

/* Hiển thị lại Zalo, hotline, lượt quan tâm và điều hướng */
body.flip-mode .floating,
body.flip-mode .interest-toast,
body.flip-mode .scroll-tools{
  display:flex !important;
}
body.flip-mode .interest-toast{
  display:block !important;
}
body.flip-mode footer{
  display:none !important;
}
.floating{
  z-index:180 !important;
}
.interest-toast{
  z-index:179 !important;
}
.scroll-tools{
  z-index:178 !important;
}
.flip-controls{
  z-index:175 !important;
}

/* Tránh che nút lật */
@media(min-width:761px){
  .floating{right:18px;bottom:18px}
  .interest-toast{left:18px;bottom:18px}
  .scroll-tools{right:18px;bottom:170px}
}
@media(max-width:900px){
  .home-logos .logo-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .home-logos{
    width:min(100% - 24px,1240px);
    margin-top:24px;
  }
  .home-logos .logo-grid{grid-template-columns:1fr 1fr;gap:10px}
  .home-logos figure{min-height:130px;padding:8px;border-radius:18px}
  .home-logos img{height:105px}
  .page-home{padding-bottom:150px !important}
  .page-leader{padding-bottom:160px !important}
  .interest-toast{bottom:92px !important}
}


/* ===== V21: sửa trang 1, chữ không chìm và 4 logo ngay dưới hero ===== */
.page-home{
  overflow-y:auto !important;
  background:linear-gradient(180deg,#061a34 0 58%,#ffffff 58% 100%) !important;
  color:#ffffff;
  padding-bottom:150px !important;
}
.page-home .hero-grid{
  position:relative;
  z-index:3;
}
.page-home .hero-copy,
.page-home .hero-copy h1,
.page-home .hero-copy p,
.page-home .hero-copy .eyebrow{
  color:#ffffff !important;
}
.page-home .hero-copy h1 em{
  color:#f2c247 !important;
}
.page-home .hero-points-fixed{
  margin-top:20px;
  padding:12px 14px;
  border-radius:16px;
  background:rgba(3,21,46,.82);
  border:1px solid rgba(255,255,255,.16);
  color:#f7d46f !important;
  backdrop-filter:blur(10px);
}
.page-home .hero-points-fixed span{
  color:#f7d46f !important;
  font-weight:700;
  text-shadow:0 1px 2px rgba(0,0,0,.40);
}
.page-home .hero-actions{
  position:relative;
  z-index:4;
}
.page-home .home-logos{
  position:relative;
  z-index:5;
  width:min(1240px,calc(100% - 40px));
  margin:34px auto 10px;
}
.page-home .home-logos .logo-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.page-home .home-logos figure{
  margin:0;
  min-height:190px;
  padding:16px;
  border-radius:24px;
  background:#ffffff;
  border:1px solid rgba(8,29,58,.10);
  box-shadow:0 18px 40px rgba(8,29,58,.12);
  display:flex;
  align-items:center;
  justify-content:center;
}
.page-home .home-logos figure.dark-logo{
  background:#111111;
}
.page-home .home-logos img{
  width:100%;
  height:150px;
  object-fit:contain;
}
.page-home::after{display:none}
@media(max-width:900px){
  .page-home{
    background:linear-gradient(180deg,#061a34 0 66%,#ffffff 66% 100%) !important;
  }
  .page-home .home-logos .logo-grid{
    grid-template-columns:repeat(2,1fr);
  }
}
@media(max-width:640px){
  .page-home{
    background:linear-gradient(180deg,#061a34 0 72%,#ffffff 72% 100%) !important;
  }
  .page-home .home-logos{
    width:min(100% - 24px,1240px);
    margin-top:26px;
  }
  .page-home .home-logos .logo-grid{
    grid-template-columns:1fr 1fr;
    gap:10px;
  }
  .page-home .home-logos figure{
    min-height:135px;
    padding:8px;
    border-radius:18px;
  }
  .page-home .home-logos img{
    height:105px;
  }
}



/* ===== LOGO CHÍNH THỨC: RÕ NÉT, KHÔNG PHỦ MỜ ===== */
.logos,
.home-logos{
  background:linear-gradient(135deg,#061a34 0%,#0a315d 62%,#0d5260 100%) !important;
}
.logos.reveal-up,
.logos.reveal-up.in-view,
.home-logos.reveal-up,
.home-logos.reveal-up.in-view{
  opacity:1 !important;
  transform:none !important;
  animation:none !important;
}
.logo-grid-four figure{
  opacity:1 !important;
  filter:none !important;
  background:#ffffff !important;
  border:1px solid rgba(255,255,255,.24) !important;
  box-shadow:0 18px 38px rgba(0,0,0,.22) !important;
}
.logo-grid-four figure.sum-logo-dark{
  background:#11151c !important;
}
.logo-grid-four figure.sum-logo-navy{
  background:#061a34 !important;
}
.logo-grid-four img{
  opacity:1 !important;
  visibility:visible !important;
  filter:none !important;
  mix-blend-mode:normal !important;
}

/* ===== KẾT QUẢ ĐĂNG KÍ VÀ QR ZALO ===== */
.registration-slot{
  min-width:0;
}
.signup-success-panel[hidden]{
  display:none !important;
}
.signup-success-panel{
  background:#ffffff;
  padding:28px;
  border-radius:28px;
  box-shadow:var(--shadow);
  text-align:center;
  border:1px solid rgba(7,29,61,.09);
  opacity:0;
  transform:translateY(18px) scale(.985);
}
.signup-success-panel.is-visible{
  opacity:1;
  transform:none;
  animation:signupResultIn .55s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes signupResultIn{
  from{opacity:0;transform:translateY(22px) scale(.975)}
  to{opacity:1;transform:none}
}
.success-badge{
  display:inline-flex;
  padding:7px 12px;
  border-radius:999px;
  background:#e7f9f5;
  color:#087d74;
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
}
.signup-success-panel h3{
  margin:15px 0 8px;
  font-size:28px;
}
.signup-success-panel p{
  color:var(--muted);
  margin-bottom:18px;
}
.signup-qr-link{
  display:block;
  width:min(100%,420px);
  margin:0 auto 18px;
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 18px 42px rgba(7,29,61,.16);
  border:1px solid rgba(7,29,61,.10);
  background:#1564d7;
}
.signup-qr-link img{
  display:block;
  width:100%;
  height:auto;
}
.zalo-join-btn{
  width:min(100%,420px);
  margin:auto;
  color:#ffffff !important;
  background:linear-gradient(135deg,#087cf0,#04a5dc) !important;
  box-shadow:0 15px 32px rgba(8,124,240,.26);
}
.signup-submit:disabled{
  opacity:.72;
  cursor:wait;
}
@media(max-width:760px){
  .signup-success-panel{padding:20px}
  .signup-success-panel h3{font-size:24px}
}



/* ===== LĨNH VỰC QUAN TÂM ===== */
.interest-fieldset{border:0;padding:0;margin:4px 0 18px}.interest-fieldset legend{font-weight:800;color:var(--navy);margin-bottom:12px}.interest-fieldset legend span{font-size:12px;color:var(--muted);font-weight:600}.interest-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.interest-choice{display:flex!important;align-items:center;gap:10px;padding:12px!important;border:1px solid #dce4ec;border-radius:15px;background:#fff;cursor:pointer;line-height:1.35;font-size:12px;font-weight:800;transition:.2s ease}.interest-choice:hover{border-color:#e3b72d;transform:translateY(-1px)}.interest-choice:has(input:checked){border-color:#d9ad27;background:#fff9e5;box-shadow:0 8px 20px rgba(218,174,48,.15)}.interest-choice input{width:17px!important;height:17px!important;accent-color:#c99a15}.interest-choice-icon{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:#071d39;color:#f3c84e;font-size:17px;flex:0 0 auto}.interest-error{color:#b42318;font-size:12px;margin:8px 0 0}
.recommendation-block{margin-bottom:22px;text-align:left}.recommendation-block>h3{text-align:center;margin:12px 0 6px}.recommendation-block>.recommendation-intro{text-align:center;color:var(--muted);font-size:14px}.recommendation-list{display:grid;gap:12px;margin:18px 0}.recommendation-card{padding:17px;border-radius:18px;background:#f7f9fc;border:1px solid #dfe7ef}.recommendation-card header{display:flex;gap:10px;align-items:center;margin-bottom:9px}.recommendation-card .rec-icon{width:37px;height:37px;display:grid;place-items:center;border-radius:12px;background:#071d39;color:#f2c548;font-size:20px}.recommendation-card h4{margin:0;font-size:15px}.recommendation-card p{margin:0 0 10px!important;text-align:left!important;font-size:13px}.recommendation-card ul{margin:0;padding-left:18px;color:#26364b;font-size:13px}.success-divider{height:1px;background:#e3e9ef;margin:20px 0}
/* ===== THƯ VIỆN EBOOK ===== */
.ebook-library{background:linear-gradient(180deg,#f7f2e7,#edf3f7)}.ebook-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.ebook-head>div{max-width:760px}.ebook-filter{display:flex;gap:8px;overflow:auto;padding:10px 0 20px;scrollbar-width:thin}.ebook-filter-btn{border:1px solid #d7dfe7;background:#fff;color:#21324a;border-radius:999px;padding:9px 13px;font-weight:750;white-space:nowrap;cursor:pointer}.ebook-filter-btn.active{background:#071d39;color:#fff;border-color:#071d39}.ebook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.ebook-card{border-radius:24px;overflow:hidden;background:#fff;border:1px solid #dce4ec;box-shadow:0 16px 35px rgba(7,29,57,.09);transition:.22s ease}.ebook-card:hover{transform:translateY(-4px)}.ebook-card.is-hidden{display:none}.ebook-cover{min-height:245px;padding:25px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#061a34,#0c3b6b);color:#fff;position:relative}.ebook-cover:after{content:'';position:absolute;inset:12px;border:1px solid rgba(238,193,67,.45);border-radius:15px;pointer-events:none}.ebook-cover span{color:#eac44f;font-weight:900;letter-spacing:.18em}.ebook-cover strong{font-size:25px;line-height:1.15;position:relative;z-index:1}.ebook-cover small{color:#d9e3ed;position:relative;z-index:1}.ebook-meta{padding:18px}.ebook-meta>span{font-size:11px;color:#9a6b00;font-weight:900;text-transform:uppercase}.ebook-meta h3{font-size:19px;margin:7px 0 4px}.ebook-meta p{color:var(--muted);margin:0 0 14px}.ebook-status{width:100%;border:1px solid #d8aa31;background:#fff9e7;color:#1a2940;border-radius:12px;padding:10px;font-weight:800;cursor:pointer}
/* ===== READER ===== */
.ebook-reader-modal,.book-info-modal{position:fixed;inset:0;z-index:9999;background:rgba(2,12,27,.82);backdrop-filter:blur(8px);padding:18px;display:grid;place-items:center}.ebook-reader-modal[hidden],.book-info-modal[hidden]{display:none!important}.ebook-reader-shell{width:min(1080px,100%);background:#071d39;border:1px solid rgba(255,255,255,.15);border-radius:28px;overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.45)}.reader-toolbar{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;color:#fff;border-bottom:1px solid rgba(255,255,255,.12)}.reader-toolbar>div{display:flex;flex-direction:column}.reader-kicker{font-size:10px;color:#efc84f;letter-spacing:.15em;font-weight:900}.reader-close,.book-info-box>button:first-child{border:0;background:rgba(255,255,255,.1);color:#fff;border-radius:50%;width:40px;height:40px;font-size:28px;cursor:pointer}.reader-stage{display:grid;grid-template-columns:58px 1fr 58px;align-items:center;gap:12px;padding:24px;background:radial-gradient(circle at center,#21446a,#04162d)}.reader-nav{width:52px;height:52px;border:0;border-radius:50%;background:#efc548;color:#071d39;font-size:38px;cursor:pointer}.reader-book{perspective:1500px;display:grid;place-items:center;min-height:560px}.reader-page{width:min(620px,100%);height:560px;background:#fffdf5;border-radius:5px 18px 18px 5px;box-shadow:inset 18px 0 30px rgba(87,63,30,.08),0 25px 55px rgba(0,0,0,.34);transform-origin:left center;overflow:auto}.reader-page.turning-next{animation:pageNext .38s ease}.reader-page.turning-prev{animation:pagePrev .38s ease}.reader-page-content{padding:58px 54px;color:#2f291e;font-family:Georgia,'Times New Roman',serif;line-height:1.8}.reader-page-content h1{font-size:43px;line-height:1.08;color:#11213b}.reader-page-content h2{font-size:34px;color:#11213b}.reader-page-content p,.reader-page-content li{font-size:18px}.reader-page-content blockquote,.page-highlight{border-left:4px solid #c99b25;background:#f6eed3;padding:16px 18px;margin:24px 0}.page-label{font:800 11px/1.2 'Segoe UI',sans-serif;letter-spacing:.16em;color:#a27408}.page-lead{font-style:italic}.page-sign{margin-top:40px;font-weight:bold}.reader-footer{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;padding:14px 20px;color:#fff}.reader-footer input{width:100%;accent-color:#e9bd3d}.reader-footer button{border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;border-radius:999px;padding:8px 13px;cursor:pointer}.reader-book.sepia .reader-page{background:#f2e5c7}.reader-book.night .reader-page{background:#182232}.reader-book.night .reader-page-content,.reader-book.night .reader-page-content h1,.reader-book.night .reader-page-content h2{color:#e7eef6}.book-info-box{width:min(520px,100%);background:#fff;padding:30px;border-radius:26px;position:relative;text-align:center}.book-info-box>button:first-child{position:absolute;right:14px;top:14px;background:#eef2f6;color:#14233a}.book-info-box h3{font-size:27px;margin:12px 0}.book-info-box p{color:var(--muted);line-height:1.75}
@keyframes pageNext{0%{transform:rotateY(0)}50%{transform:rotateY(-18deg);opacity:.5}100%{transform:rotateY(0);opacity:1}}@keyframes pagePrev{0%{transform:rotateY(0)}50%{transform:rotateY(18deg);opacity:.5}100%{transform:rotateY(0);opacity:1}}
@media(max-width:850px){.ebook-grid{grid-template-columns:repeat(2,1fr)}.ebook-head{align-items:flex-start;flex-direction:column}.reader-stage{grid-template-columns:42px 1fr 42px;padding:10px}.reader-nav{width:40px;height:40px;font-size:29px}.reader-book{min-height:500px}.reader-page{height:500px}.reader-page-content{padding:38px 28px}.reader-page-content h1{font-size:33px}.reader-page-content h2{font-size:28px}}
@media(max-width:560px){.interest-choice-grid,.ebook-grid{grid-template-columns:1fr}.ebook-cover{min-height:210px}.reader-stage{grid-template-columns:1fr;position:relative}.reader-nav{position:absolute;z-index:3;bottom:18px}.reader-nav.prev{left:22px}.reader-nav.next{right:22px}.reader-book{min-height:470px}.reader-page{height:470px}.reader-page-content{padding:30px 22px}.reader-page-content p,.reader-page-content li{font-size:16px}.reader-footer{grid-template-columns:1fr;text-align:center;padding-bottom:65px}}

/* ===== FULL PDF FLIP READER ===== */
.ebook-cover.image-cover{padding:0;background:#eef2f5;min-height:300px}.ebook-cover.image-cover:after{display:none}.ebook-cover.image-cover img{width:100%;height:300px;object-fit:contain;display:block;background:#fff}.ebook-read-btn{width:100%;border:0;border-radius:12px;padding:11px;background:linear-gradient(135deg,#d9aa2e,#f0cf68);color:#071d39;font-weight:900;cursor:pointer}.pdf-flip-modal{position:fixed;inset:0;z-index:10000;background:rgba(1,10,23,.91);backdrop-filter:blur(9px);padding:12px;display:grid;place-items:center}.pdf-flip-modal[hidden]{display:none!important}.pdf-flip-shell{width:min(1280px,100%);height:min(94vh,900px);display:grid;grid-template-rows:auto 1fr auto;background:#071a31;border:1px solid rgba(255,255,255,.14);border-radius:24px;overflow:hidden;box-shadow:0 36px 100px rgba(0,0,0,.55)}.pdf-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 16px;color:#fff;border-bottom:1px solid rgba(255,255,255,.12)}.pdf-book-title{display:flex;flex-direction:column;min-width:0}.pdf-book-title span{font-size:10px;letter-spacing:.15em;color:#eac34d;font-weight:900}.pdf-book-title strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pdf-tools{display:flex;gap:7px;align-items:center}.pdf-tools button,.pdf-footer button{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#fff;border-radius:10px;padding:8px 11px;cursor:pointer}.pdf-tools button:last-child{font-size:22px;line-height:1}.pdf-stage{min-height:0;display:grid;grid-template-columns:58px 1fr 58px;align-items:center;gap:12px;padding:18px;background:radial-gradient(circle at center,#234a72,#031428)}.pdf-nav{width:52px;height:52px;border:0;border-radius:50%;background:#ecc54e;color:#071d39;font-size:38px;cursor:pointer}.pdf-book-wrap{height:100%;min-height:0;display:grid;place-items:center;overflow:auto;perspective:1800px}.pdf-page-sheet{position:relative;background:#fff;border-radius:5px 18px 18px 5px;box-shadow:inset 18px 0 25px rgba(84,56,14,.08),0 28px 65px rgba(0,0,0,.45);transform-origin:left center;transition:background .2s}.pdf-page-sheet.turn-next{animation:pdfTurnNext .42s ease}.pdf-page-sheet.turn-prev{animation:pdfTurnPrev .42s ease}.pdf-page-sheet canvas{display:block;max-width:none}.pdf-loading{position:absolute;inset:0;display:grid;place-items:center;color:#29415a;background:rgba(255,255,255,.9);font-weight:800}.pdf-loading[hidden]{display:none}.pdf-footer{display:grid;grid-template-columns:auto auto 1fr auto auto;align-items:center;gap:12px;padding:12px 16px;color:#fff;border-top:1px solid rgba(255,255,255,.12)}.pdf-footer input{width:100%;accent-color:#e9bd3d}.pdf-book-wrap.sepia .pdf-page-sheet{filter:sepia(.28) brightness(.96)}.pdf-book-wrap.night .pdf-page-sheet{filter:invert(.88) hue-rotate(180deg) brightness(.86)}@keyframes pdfTurnNext{0%{transform:rotateY(0)}45%{transform:rotateY(-22deg);opacity:.55}100%{transform:rotateY(0);opacity:1}}@keyframes pdfTurnPrev{0%{transform:rotateY(0)}45%{transform:rotateY(22deg);opacity:.55}100%{transform:rotateY(0);opacity:1}}
@media(max-width:700px){.pdf-flip-modal{padding:0}.pdf-flip-shell{height:100dvh;border-radius:0}.pdf-stage{grid-template-columns:1fr;padding:7px;position:relative}.pdf-nav{position:absolute;bottom:14px;z-index:4;width:44px;height:44px;font-size:30px}.pdf-nav.prev{left:14px}.pdf-nav.next{right:14px}.pdf-footer{grid-template-columns:auto 1fr auto;padding-bottom:64px}.pdf-footer button#pdfFirst,.pdf-footer button#pdfLast{display:none}.pdf-toolbar{padding:10px}.pdf-tools #pdfZoomLabel{display:none}.ebook-cover.image-cover img{height:250px}}

/* ===== READER FIXED: NATIVE PDF VIEWER ===== */
.native-reader-modal{position:fixed;inset:0;z-index:11000;background:rgba(1,10,23,.92);padding:12px;display:grid;place-items:center}.native-reader-modal[hidden]{display:none!important}.native-reader-shell{width:min(1320px,100%);height:min(96vh,940px);display:grid;grid-template-rows:auto 1fr;background:#071a31;border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.14)}.native-reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;color:#fff}.native-reader-toolbar>div:first-child{display:flex;flex-direction:column;min-width:0}.native-reader-toolbar span{font-size:10px;letter-spacing:.15em;color:#eac34d;font-weight:900}.native-reader-toolbar strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.native-reader-actions{display:flex;align-items:center;gap:9px}.native-reader-actions a,.native-reader-actions button{border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;border-radius:10px;padding:8px 12px;text-decoration:none;cursor:pointer}.native-reader-actions button{font-size:22px;line-height:1}.native-reader-stage{position:relative;min-height:0;background:#e9edf2}.native-reader-stage iframe{width:100%;height:100%;border:0;background:#fff}.native-reader-stage>div{position:absolute;inset:0;display:grid;place-items:center;background:#fff;color:#1e334b;font-weight:800}.native-reader-stage>div[hidden]{display:none}.reader-fallback-note{font-size:12px;color:#dce6f0;margin-left:8px}@media(max-width:650px){.native-reader-modal{padding:0}.native-reader-shell{height:100dvh;border-radius:0}.native-reader-actions a{font-size:12px;padding:7px}.native-reader-toolbar{padding:10px}.native-reader-stage iframe{min-height:0}}

/* ===== V4.2: ĐỌC PDF TRỰC TIẾP + CHỌN 1 LĨNH VỰC ===== */
.ebook-read-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
}
.interest-choice input[type="radio"]{
  width:18px!important;
  height:18px!important;
  accent-color:#c99a15;
}



/* ===== THÔNG BÁO HẠN ĐĂNG KÍ 21 NGÀY ===== */
.deadline-pop{
  position:fixed;inset:0;z-index:12000;display:grid;place-items:center;
  padding:18px;background:rgba(2,12,27,.72);backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;transition:.25s ease
}
.deadline-pop.is-open{opacity:1;visibility:visible}
.deadline-card{
  width:min(610px,100%);position:relative;overflow:hidden;border-radius:28px;
  padding:34px;background:
  radial-gradient(circle at 100% 0,rgba(241,199,72,.26),transparent 38%),
  linear-gradient(145deg,#061a34,#0b3865);
  color:#fff;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 35px 100px rgba(0,0,0,.45);transform:translateY(18px) scale(.97);
  transition:.28s ease
}
.deadline-pop.is-open .deadline-card{transform:none}
.deadline-card:before{
  content:"";position:absolute;inset:10px;border:1px solid rgba(239,195,64,.38);
  border-radius:20px;pointer-events:none
}
.deadline-close{
  position:absolute;right:15px;top:15px;width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;font-size:25px;cursor:pointer;z-index:2
}
.deadline-kicker{color:#efc64b;font-size:11px;font-weight:900;letter-spacing:.17em}
.deadline-card h2{font-size:clamp(26px,5vw,42px);line-height:1.08;margin:14px 0 12px;color:#fff}
.deadline-card .deadline-line{font-size:17px;line-height:1.7;color:#dce7f2}
.deadline-card .deadline-line strong{color:#ffd967}
.deadline-slogan{
  margin:18px 0;padding:15px 17px;border-left:4px solid #efc64b;
  background:rgba(255,255,255,.07);font-weight:800;line-height:1.65
}
.deadline-countdown{
  display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;padding:9px 13px;
  border-radius:999px;background:#fff;color:#061a34;font-weight:900
}
.deadline-countdown:before{content:"●";color:#d99e00;animation:deadlinePulse 1.2s infinite}
.deadline-cta{
  display:flex;align-items:center;justify-content:center;width:100%;border:0;
  border-radius:14px;padding:14px 18px;background:linear-gradient(135deg,#d9aa2f,#f5d86e);
  color:#061a34;font-weight:950;text-decoration:none;box-shadow:0 14px 28px rgba(0,0,0,.2)
}
.deadline-small{display:block;text-align:center;margin-top:11px;color:#aebed0;font-size:11px}
@keyframes deadlinePulse{50%{opacity:.25}}
@media(max-width:560px){.deadline-card{padding:28px 23px}.deadline-card h2{font-size:29px}}

/* ===== V5.1 - TWO LEONARDO EDITIONS ===== */
.ebook-card[data-book-id="leonardo-walter-isaacson"]{
  outline:2px solid rgba(226,181,53,.7);
  box-shadow:0 20px 44px rgba(7,29,57,.16);
}
.ebook-card[data-book-id^="leonardo"] .ebook-meta>span{
  display:inline-block;
  border-radius:999px;
  padding:5px 9px;
  background:#fff5d2;
  color:#8a6100;
}

/* ===== V5.3 GOOGLE FORM STATUS ===== */
.google-form-status{
  margin-top:10px!important;
  padding:9px 11px;
  border-radius:10px;
  background:#f4f7fa;
  color:#53677d!important;
  text-align:center;
}