/* HẢI VŨ PIANO ACADEMY — FOOTER + CORE VALUES V30
   Institutional – Academic – Premium
*/

.hv30-footer{
  position:relative;
  overflow:hidden;
  margin-top:54px;
  background:
    radial-gradient(circle at 12% 20%, rgba(56,128,166,.24), transparent 34%),
    radial-gradient(circle at 88% 20%, rgba(53,111,145,.18), transparent 34%),
    linear-gradient(135deg,#082f4b 0%,#0a3a59 48%,#062943 100%);
  color:#f6f9fb;
  border-top:1px solid rgba(255,255,255,.09);
}

.hv30-footer::before{
  content:"";
  position:absolute;
  inset:auto -8% 0 auto;
  width:46%;
  height:82%;
  opacity:.13;
  transform:skewX(-9deg);
  background:
    repeating-linear-gradient(
      90deg,
      rgba(255,255,255,.85) 0 18px,
      rgba(255,255,255,.20) 18px 22px,
      transparent 22px 35px
    );
  filter:blur(.35px);
  pointer-events:none;
}

.hv30-footer::after{
  content:"";
  position:absolute;
  left:-7%;
  bottom:-42%;
  width:42%;
  aspect-ratio:1.5;
  border-radius:52% 52% 46% 46%;
  background:
    radial-gradient(ellipse at 55% 42%,rgba(0,0,0,.58) 0 42%,transparent 43%),
    radial-gradient(ellipse at 36% 78%,rgba(0,0,0,.34) 0 28%,transparent 29%);
  transform:rotate(-10deg);
  opacity:.56;
  pointer-events:none;
}

.hv30-footer-inner{
  position:relative;
  z-index:1;
  width:min(var(--site-max,1480px),calc(100% - var(--site-gutter,clamp(20px,3.4vw,64px)) - var(--site-gutter,clamp(20px,3.4vw,64px))));
  margin-inline:auto;
  padding:34px 0 18px;
}

.hv30-footer-grid{
  display:grid;
  grid-template-columns:1.6fr .72fr 1.05fr .62fr;
  gap:34px;
  align-items:start;
}

.hv30-brand-row{
  display:flex;
  gap:16px;
  align-items:flex-start;
}

.hv30-logo{
  width:64px;
  height:64px;
  flex:0 0 auto;
  object-fit:contain;
  border-radius:2px;
  background:#72d4ee;
}

.hv30-brand-name{
  margin:1px 0 3px;
  font-family:Georgia,"Times New Roman",serif;
  font-size:24px;
  line-height:1.1;
  font-weight:700;
  letter-spacing:.005em;
}

.hv30-slogan{
  margin:0 0 18px;
  color:rgba(255,255,255,.84);
  font-size:15px;
}

.hv30-brand-copy{
  max-width:470px;
  margin:0;
  color:rgba(255,255,255,.80);
  font-size:15px;
  line-height:1.67;
}

.hv30-heading{
  margin:2px 0 13px;
  color:#fff;
  font-size:15px;
  font-weight:700;
}

.hv30-links{
  display:flex;
  flex-direction:column;
  gap:9px;
}

.hv30-links a{
  color:rgba(255,255,255,.83);
  text-decoration:none;
  font-size:14px;
  line-height:1.35;
}

.hv30-links a:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:3px;
}

.hv30-contact-list{
  display:flex;
  flex-direction:column;
  gap:11px;
}

.hv30-contact-item{
  display:grid;
  grid-template-columns:22px 1fr;
  gap:9px;
  align-items:start;
  color:rgba(255,255,255,.84);
  font-size:14px;
  line-height:1.45;
}

.hv30-contact-item a{
  color:inherit;
  text-decoration:none;
}

.hv30-contact-item a:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:3px;
}

.hv30-icon{
  width:18px;
  height:18px;
  margin-top:1px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
  color:#fff;
}

.hv30-socials{
  display:flex;
  gap:10px;
  margin:2px 0 18px;
}

.hv30-social{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:50%;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.12);
  color:#fff;
  text-decoration:none;
  transition:transform .18s ease,background .18s ease;
}

.hv30-social:hover{
  transform:translateY(-2px);
  background:rgba(255,255,255,.16);
}

.hv30-social svg{
  width:18px;
  height:18px;
  fill:currentColor;
}

.hv30-myhv{
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:42px;
  padding:0 18px;
  border:1px solid rgba(255,255,255,.60);
  border-radius:999px;
  color:#fff;
  text-decoration:none;
  font-size:13px;
  font-weight:700;
}

.hv30-myhv:hover{
  background:rgba(255,255,255,.10);
}

.hv30-footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:center;
  margin-top:24px;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.67);
  font-size:12.5px;
  line-height:1.5;
}

.hv30-values{
  color:rgba(255,255,255,.77);
  text-align:right;
}

.hv30-values strong{
  color:#fff;
  font-weight:700;
}

/* The new value line is much longer than the old tagline.
   Keep brand areas elegant instead of allowing awkward overflow. */
.header .brand small,
header .brand small,
.header .brand-sub,
header .brand-sub{
  white-space:normal!important;
  line-height:1.22!important;
  max-width:390px;
  font-size:10.5px!important;
}

@media (min-width:980px) and (max-height:920px){
  .hv30-footer{margin-top:40px}
  .hv30-footer-inner{padding-top:28px}
  .hv30-footer-grid{gap:28px}
}

@media(max-width:980px){
  .hv30-footer-grid{
    grid-template-columns:1.35fr 1fr;
    row-gap:30px;
  }
}

@media(max-width:700px){
  .hv30-footer{margin-top:42px}
  .hv30-footer-inner{
    width:min(100% - 32px,1240px);
    padding:30px 0 18px;
  }
  .hv30-footer-grid{
    grid-template-columns:1fr;
    gap:25px;
  }
  .hv30-brand-name{font-size:22px}
  .hv30-logo{width:58px;height:58px}
  .hv30-footer-bottom{
    align-items:flex-start;
    flex-direction:column;
  }
  .hv30-values{text-align:left}
}