*{
  margin:0;
  padding:0;
  box-sizing:border-box
}

html{
  scroll-behavior:smooth
}

body{
  font-family:Arial,Helvetica,sans-serif;
  background:#081018;
  color:#fff;
  overflow-x:hidden
}

.ht-page{
  min-height:100vh;
  width:100%;
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(135deg,rgba(6,12,22,.72) 0%,rgba(8,18,34,.58) 38%,rgba(10,20,36,.74) 100%),
    url("../images/bg-total.jpg") center center/cover no-repeat
}

.ht-page:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 50% 50%, rgba(78,179,255,.14), transparent 22%),
    radial-gradient(circle at 50% 50%, rgba(255,135,45,.16), transparent 38%),
    radial-gradient(circle at 20% 20%, rgba(86,201,255,.08), transparent 24%),
    radial-gradient(circle at 80% 18%, rgba(255,164,84,.06), transparent 24%),
    linear-gradient(to bottom, rgba(255,255,255,.02), rgba(0,0,0,.18));
  pointer-events:none
}

.ht-page:after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(124,185,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,185,255,.06) 1px, transparent 1px);
  background-size:72px 72px;
  opacity:.55;
  pointer-events:none
}

.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:2;
  padding:0 20px
}

.ecosystem-wrap{
  position:relative;
  width:100%;
  max-width:1400px;
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto
}

.brand-badge{
  position:absolute;
  top:28px;
  left:30px;
  z-index:20;
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 18px;
  border-radius:20px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(16px);
  box-shadow:0 12px 40px rgba(0,0,0,.20)
}

.brand-mark{
  font-size:42px;
  font-weight:900;
  line-height:1;
  background:linear-gradient(180deg,#ffd37c 0%,#ff8d2f 55%,#ff6200 100%);
  -webkit-background-clip:text;
  color:transparent;
  text-shadow:0 0 26px rgba(255,136,43,.30)
}

.brand-mark.small{
  font-size:34px
}

.brand-text strong{
  display:block;
  font-size:18px;
  letter-spacing:-.3px;
  color:#fff
}

.brand-text span{
  display:block;
  font-size:10px;
  color:rgba(255,255,255,.76);
  letter-spacing:.8px
}

.ambient-light{
  position:absolute;
  border-radius:50%;
  filter:blur(28px);
  pointer-events:none
}

.ambient-1{
  width:240px;
  height:240px;
  background:rgba(84,184,255,.20);
  left:18%;
  top:20%;
  animation:floatLight 9s ease-in-out infinite
}

.ambient-2{
  width:300px;
  height:300px;
  background:rgba(255,143,56,.16);
  right:18%;
  bottom:18%;
  animation:floatLight 12s ease-in-out infinite reverse
}

.ambient-3{
  width:180px;
  height:180px;
  background:rgba(130,220,255,.12);
  right:24%;
  top:18%;
  animation:floatLight 8s ease-in-out infinite
}

.galaxy-core{
  position:absolute;
  width:330px;
  height:330px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(113,200,255,.18), rgba(255,135,45,.15), transparent 70%);
  filter:blur(18px);
  animation:coreBreath 4.2s ease-in-out infinite
}

.orbit-ring{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  border-radius:50%;
  border:1px solid rgba(154,216,255,.18);
  box-shadow:
    0 0 26px rgba(101,196,255,.08),
    0 0 30px rgba(255,137,46,.06),
    inset 0 0 18px rgba(255,255,255,.02)
}

.ring-1{
  width:360px;
  height:360px;
  animation:ringSpin1 16s linear infinite
}

.ring-2{
  width:540px;
  height:540px;
  animation:ringSpin2 24s linear infinite
}

.ring-3{
  width:720px;
  height:720px;
  animation:ringSpin1 36s linear infinite
}

.ring-4{
  width:880px;
  height:880px;
  border-color:rgba(255,255,255,.08);
  animation:ringSpin2 52s linear infinite
}

.orbit-spark{
  position:absolute;
  left:50%;
  top:50%;
  border-radius:50%;
  background:radial-gradient(circle, #dff5ff 0%, #6cd2ff 35%, #ff8c35 78%, transparent 100%);
  box-shadow:
    0 0 18px rgba(130,224,255,.95),
    0 0 38px rgba(255,140,53,.35)
}

.spark-1{
  width:10px;
  height:10px;
  animation:sparkOrbit1 8s linear infinite
}

.spark-2{
  width:8px;
  height:8px;
  animation:sparkOrbit2 11s linear infinite
}

.spark-3{
  width:6px;
  height:6px;
  animation:sparkOrbit3 15s linear infinite
}

.spark-4{
  width:7px;
  height:7px;
  animation:sparkOrbit4 20s linear infinite
}

.center-logo{
  width:250px;
  height:250px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.24);
  background:
    radial-gradient(circle at 30% 20%, rgba(140,226,255,.22), transparent 32%),
    radial-gradient(circle at 70% 78%, rgba(255,143,55,.20), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
  backdrop-filter:blur(18px);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  position:relative;
  z-index:12;
  cursor:pointer;
  color:#fff;
  box-shadow:
    0 0 50px rgba(101,196,255,.18),
    0 0 90px rgba(255,140,50,.16),
    inset 0 0 42px rgba(255,255,255,.06);
  transition:.35s;
  animation:centerPulse 2.8s ease-in-out infinite
}

.center-logo:before{
  content:"";
  position:absolute;
  inset:10px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.08)
}

.center-logo:hover{
  transform:scale(1.05)
}

.center-ht{
  display:block;
  font-size:68px;
  font-weight:900;
  line-height:.95;
  background:linear-gradient(180deg,#ffffff 0%,#ffd892 42%,#ff8e37 100%);
  -webkit-background-clip:text;
  color:transparent
}

.center-logo strong{
  display:block;
  font-size:31px;
  margin-top:8px;
  letter-spacing:.2px
}

.center-logo small{
  display:block;
  color:rgba(255,255,255,.82);
  font-size:12px;
  margin-top:8px;
  letter-spacing:.8px
}

.center-logo em{
  font-style:normal;
  font-size:11px;
  margin-top:10px;
  color:#b6ecff
}

.orbit{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  border-radius:50%;
  z-index:10
}

.orbit-main{
  width:800px;
  height:800px;
  animation:rotateOrbit 28s linear infinite
}

.company-node{
  --angle:0deg;
  position:absolute;
  left:50%;
  top:50%;
  width:154px;
  height:154px;
  margin:-77px;
  border-radius:30px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px;
  text-align:center;
  text-decoration:none;
  color:#fff;
  background:
    linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(16px);
  box-shadow:
    0 14px 34px rgba(0,0,0,.18),
    0 0 20px rgba(108,210,255,.10),
    0 0 20px rgba(255,140,53,.08),
    inset 0 0 20px rgba(255,255,255,.03);
  transform:
    rotate(var(--angle))
    translate(400px)
    rotate(calc(-1 * var(--angle)));
  animation:
    keepUpright 28s linear infinite,
    nodeGlow 3.2s ease-in-out infinite;
  transition:.35s;
  z-index:11
}

.company-node:hover{
  transform:
    rotate(var(--angle))
    translate(400px)
    rotate(calc(-1 * var(--angle)))
    scale(1.08);
  border-color:rgba(255,255,255,.34);
  box-shadow:
    0 16px 40px rgba(0,0,0,.24),
    0 0 30px rgba(108,210,255,.22),
    0 0 30px rgba(255,140,53,.18),
    inset 0 0 22px rgba(255,255,255,.06)
}

.node-logo{
  width:54px;
  height:54px;
  border-radius:18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.24), rgba(255,255,255,.08));
  border:1px solid rgba(255,255,255,.16);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  box-shadow:inset 0 0 14px rgba(255,255,255,.06)
}

.node-logo{
  width:62px;
  height:62px;
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,.08));
  border:1px solid rgba(255,255,255,.16);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  box-shadow:inset 0 0 14px rgba(255,255,255,.06);
  position:relative;
}

.node-logo img{
  width:100%;
  height:100%;
  object-fit:contain;
  padding:0;
  display:block;
  position:relative;
  z-index:2;
}

/* Tắt toàn bộ icon emoji dự phòng khi dùng logo thật */
.node-logo:after{
  content:none !important;
}

.company-node strong{
  font-size:14px;
  font-weight:900;
  line-height:1.12
}

.company-node small{
  font-size:11px;
  line-height:1.25;
  color:rgba(255,255,255,.76)
}

/* 6 brand chia đều 360 độ, mỗi brand cách nhau 60 độ */
.node-1{--angle:270deg}
.node-2{--angle:330deg}
.node-3{--angle:30deg}
.node-4{--angle:90deg}
.node-5{--angle:150deg}
.node-6{--angle:210deg}

@keyframes rotateOrbit{
  from{transform:translate(-50%,-50%) rotate(0deg)}
  to{transform:translate(-50%,-50%) rotate(360deg)}
}

@keyframes keepUpright{
  from{rotate:0deg}
  to{rotate:-360deg}
}

@keyframes ringSpin1{
  from{transform:translate(-50%,-50%) rotate(0deg)}
  to{transform:translate(-50%,-50%) rotate(360deg)}
}

@keyframes ringSpin2{
  from{transform:translate(-50%,-50%) rotate(360deg)}
  to{transform:translate(-50%,-50%) rotate(0deg)}
}

@keyframes sparkOrbit1{
  from{transform:translate(-50%,-50%) rotate(0deg) translateX(180px)}
  to{transform:translate(-50%,-50%) rotate(360deg) translateX(180px)}
}

@keyframes sparkOrbit2{
  from{transform:translate(-50%,-50%) rotate(360deg) translateX(260px)}
  to{transform:translate(-50%,-50%) rotate(0deg) translateX(260px)}
}

@keyframes sparkOrbit3{
  from{transform:translate(-50%,-50%) rotate(0deg) translateX(340px)}
  to{transform:translate(-50%,-50%) rotate(360deg) translateX(340px)}
}

@keyframes sparkOrbit4{
  from{transform:translate(-50%,-50%) rotate(360deg) translateX(420px)}
  to{transform:translate(-50%,-50%) rotate(0deg) translateX(420px)}
}

@keyframes nodeGlow{
  0%,100%{
    box-shadow:
      0 14px 34px rgba(0,0,0,.18),
      0 0 18px rgba(108,210,255,.10),
      0 0 18px rgba(255,140,53,.08),
      inset 0 0 18px rgba(255,255,255,.03)
  }
  50%{
    box-shadow:
      0 16px 38px rgba(0,0,0,.22),
      0 0 30px rgba(108,210,255,.20),
      0 0 30px rgba(255,140,53,.16),
      inset 0 0 20px rgba(255,255,255,.05)
  }
}

@keyframes centerPulse{
  0%,100%{
    box-shadow:
      0 0 50px rgba(101,196,255,.16),
      0 0 90px rgba(255,140,50,.14),
      inset 0 0 42px rgba(255,255,255,.06)
  }
  50%{
    box-shadow:
      0 0 64px rgba(101,196,255,.28),
      0 0 118px rgba(255,140,50,.22),
      inset 0 0 48px rgba(255,255,255,.08)
  }
}

@keyframes coreBreath{
  0%,100%{
    transform:scale(.94);
    opacity:.64
  }
  50%{
    transform:scale(1.08);
    opacity:1
  }
}

@keyframes floatLight{
  0%,100%{transform:translateY(0) translateX(0)}
  50%{transform:translateY(-18px) translateX(12px)}
}

.modal-overlay{
  position:fixed;
  inset:0;
  z-index:100;
  background:rgba(8,14,24,.56);
  backdrop-filter:blur(10px);
  display:none;
  align-items:center;
  justify-content:flex-end;
  padding:42px
}

.modal-overlay.show{
  display:flex
}

.modal-box{
  width:540px;
  border-radius:30px;
  padding:34px;
  border:1px solid rgba(255,255,255,.18);
  background:
    linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,.08));
  backdrop-filter:blur(18px);
  box-shadow:
    0 18px 50px rgba(0,0,0,.22),
    0 0 32px rgba(108,210,255,.10),
    0 0 32px rgba(255,140,53,.08);
  position:relative
}

.close-modal{
  position:absolute;
  right:22px;
  top:18px;
  background:transparent;
  color:#fff;
  border:0;
  font-size:36px;
  cursor:pointer
}

.modal-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px
}

.modal-brand h2{
  color:#fff;
  font-size:28px;
  line-height:1.05
}

.modal-brand span{
  color:rgba(255,255,255,.76);
  font-size:13px
}

.modal-box p{
  color:rgba(255,255,255,.88);
  line-height:1.75;
  font-size:15.5px;
  padding-bottom:18px;
  margin-bottom:18px;
  border-bottom:1px solid rgba(255,255,255,.12)
}

.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px
}

.form-group{
  margin-bottom:13px
}

.form-group label{
  display:block;
  font-size:12px;
  color:rgba(255,255,255,.76);
  font-weight:800;
  margin-bottom:7px
}

.form-group input,
.form-group select,
.form-group textarea{
  width:100%;
  height:52px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.10);
  color:#fff;
  padding:0 15px;
  font-size:15px;
  outline:none;
  backdrop-filter:blur(10px)
}

.form-group textarea{
  height:88px;
  padding-top:13px;
  resize:none
}

.form-group input::placeholder,
.form-group textarea::placeholder{
  color:rgba(255,255,255,.52)
}

.form-group select{
  color:rgba(255,255,255,.84)
}

.form-group select option{
  color:#111
}

.submit-btn{
  width:100%;
  height:56px;
  border:0;
  border-radius:14px;
  color:#fff;
  font-weight:900;
  font-size:16px;
  cursor:pointer;
  background:linear-gradient(135deg,#5ecfff,#ff8d2f);
  box-shadow:0 0 28px rgba(116,209,255,.18),0 0 26px rgba(255,141,47,.18)
}

.form-status{
  font-size:13px;
  margin-top:10px;
  color:#c4f0ff;
  text-align:center
}

.mobile-bottom-bar{
  display:none
}

@media (max-width:1180px){
  .orbit-main{
    width:700px;
    height:700px
  }

  .company-node{
    transform:
      rotate(var(--angle))
      translate(350px)
      rotate(calc(-1 * var(--angle)))
  }

  .company-node:hover{
    transform:
      rotate(var(--angle))
      translate(350px)
      rotate(calc(-1 * var(--angle)))
      scale(1.08)
  }

  .ring-4{
    width:760px;
    height:760px
  }
}

@media (max-width:980px){
  .brand-badge{
    top:18px;
    left:14px;
    padding:12px 14px;
    border-radius:16px
  }

  .brand-mark{
    font-size:34px
  }

  .brand-text strong{
    font-size:16px
  }

  .brand-text span{
    font-size:8px
  }

  .hero{
    min-height:100svh;
    padding:0 10px 86px
  }

  .ecosystem-wrap{
    min-height:100svh
  }

  .galaxy-core{
    width:180px;
    height:180px
  }

  .ring-1{width:190px;height:190px}
  .ring-2{width:270px;height:270px}
  .ring-3{width:350px;height:350px}
  .ring-4{width:430px;height:430px}

  .center-logo{
    width:150px;
    height:150px
  }

  .center-ht{
    font-size:44px
  }

  .center-logo strong{
    font-size:20px
  }

  .center-logo small{
    font-size:9px
  }

  .center-logo em{
    font-size:9px
  }

  .orbit-main{
    width:390px;
    height:390px;
    animation-duration:24s
  }

  .company-node{
    width:88px;
    height:88px;
    margin:-44px;
    border-radius:21px;
    padding:7px;
    gap:5px;
    transform:
      rotate(var(--angle))
      translate(195px)
      rotate(calc(-1 * var(--angle)));
    animation:
      keepUpright 24s linear infinite,
      nodeGlow 3.2s ease-in-out infinite
  }

  .company-node:hover{
    transform:
      rotate(var(--angle))
      translate(195px)
      rotate(calc(-1 * var(--angle)))
      scale(1.04)
  }

.node-logo{
  width:42px;
  height:42px;
  border-radius:13px
}

.node-logo img{
  padding:1px;
}

  .company-node strong{
    font-size:9.8px
  }

  .company-node small{
    display:none
  }

  .spark-1{animation:sparkOrbit1-mobile 8s linear infinite}
  .spark-2{animation:sparkOrbit2-mobile 11s linear infinite}
  .spark-3{animation:sparkOrbit3-mobile 15s linear infinite}
  .spark-4{animation:sparkOrbit4-mobile 20s linear infinite}

  @keyframes sparkOrbit1-mobile{
    from{transform:translate(-50%,-50%) rotate(0deg) translateX(95px)}
    to{transform:translate(-50%,-50%) rotate(360deg) translateX(95px)}
  }

  @keyframes sparkOrbit2-mobile{
    from{transform:translate(-50%,-50%) rotate(360deg) translateX(135px)}
    to{transform:translate(-50%,-50%) rotate(0deg) translateX(135px)}
  }

  @keyframes sparkOrbit3-mobile{
    from{transform:translate(-50%,-50%) rotate(0deg) translateX(175px)}
    to{transform:translate(-50%,-50%) rotate(360deg) translateX(175px)}
  }

  @keyframes sparkOrbit4-mobile{
    from{transform:translate(-50%,-50%) rotate(360deg) translateX(215px)}
    to{transform:translate(-50%,-50%) rotate(0deg) translateX(215px)}
  }

  .modal-overlay{
    align-items:flex-end;
    justify-content:center;
    padding:0
  }

  .modal-box{
    width:100%;
    max-height:82svh;
    overflow-y:auto;
    border-radius:28px 28px 0 0;
    padding:30px 20px 24px;
    animation:sheetUp .28s ease
  }

  .modal-box:before{
    content:"";
    position:absolute;
    top:12px;
    left:50%;
    transform:translateX(-50%);
    width:54px;
    height:5px;
    border-radius:999px;
    background:rgba(255,255,255,.35)
  }

  .modal-brand{
    margin-top:16px
  }

  .modal-brand h2{
    font-size:23px
  }

  .modal-box p{
    font-size:14.5px
  }

  .form-row{
    grid-template-columns:1fr
  }

  .mobile-bottom-bar{
    position:fixed;
    left:12px;
    right:12px;
    bottom:12px;
    z-index:60;
    display:grid;
    grid-template-columns:1fr 1fr 1fr;
    gap:8px;
    padding:8px;
    border-radius:22px;
    background:rgba(255,255,255,.12);
    backdrop-filter:blur(18px);
    border:1px solid rgba(255,255,255,.14);
    box-shadow:0 12px 35px rgba(0,0,0,.22)
  }

  .mobile-bottom-bar a,
  .mobile-bottom-bar button{
    height:44px;
    border-radius:16px;
    border:1px solid rgba(255,255,255,.12);
    background:rgba(255,255,255,.10);
    color:#fff;
    text-decoration:none;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:900;
    font-size:13px
  }

  .mobile-bottom-bar button{
    background:linear-gradient(135deg,#5ecfff,#ff8d2f);
    border:0
  }

  @keyframes sheetUp{
    from{transform:translateY(100%)}
    to{transform:translateY(0)}
  }
}

@media (max-width:420px){
  .brand-badge{
    left:10px;
    right:10px;
    width:auto
  }

  .ring-1{width:170px;height:170px}
  .ring-2{width:235px;height:235px}
  .ring-3{width:305px;height:305px}
  .ring-4{width:370px;height:370px}

  .orbit-main{
    width:336px;
    height:336px
  }

  .company-node{
    width:76px;
    height:76px;
    margin:-38px;
    transform:
      rotate(var(--angle))
      translate(168px)
      rotate(calc(-1 * var(--angle)))
  }

  .company-node:hover{
    transform:
      rotate(var(--angle))
      translate(168px)
      rotate(calc(-1 * var(--angle)))
      scale(1.04)
  }

.node-logo{
  width:38px;
  height:38px
}

.node-logo img{
  padding:1px;
}

  .company-node strong{
    font-size:8.8px
  }

  .brand-text strong{
    font-size:15px
  }
}
.center-logo-img{
  width: 150px;
  max-width: 78%;
  height: auto;
  object-fit: contain;
  display: block;
  position: relative;
  z-index: 2;
  filter:
    drop-shadow(0 0 14px rgba(255,140,50,.35))
    drop-shadow(0 0 18px rgba(101,196,255,.16));
}

.center-logo em{
  position: relative;
  z-index: 2;
  margin-top: 12px;
}
.vn-flag-corner{
  position:absolute;
  top:10px;
  right:12px;
  font-size:32px;
}