/* Alterra VR Birthday — Design Block 02 V1
   Scope: section 01 only. Block 01 hero remains frozen. */
.bp-intro-v2{
  position:relative;
  width:min(1600px,calc(100% - 8vw));
  padding:112px 0 122px;
}
.bp-intro-v2::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:100vw;height:100%;
  transform:translateX(-50%);
  z-index:-2;
  background:
    linear-gradient(90deg,rgba(2,11,19,.99) 0%,rgba(2,11,19,.97) 28%,rgba(2,11,19,.76) 48%,rgba(2,11,19,.34) 68%,rgba(2,11,19,.18) 100%),
    linear-gradient(180deg,rgba(2,11,19,.18) 0%,rgba(2,11,19,.06) 38%,rgba(2,11,19,.38) 100%),
    radial-gradient(circle at 83% 22%,rgba(72,228,247,.12),transparent 18%),
    radial-gradient(circle at 91% 17%,rgba(255,145,79,.08),transparent 15%),
    url("assets/birthday-illustrations/block02-background-v1.webp"),
    linear-gradient(180deg,#020b13 0%,#03111b 48%,#020b13 100%);
  background-repeat:no-repeat,no-repeat,no-repeat,no-repeat,no-repeat,no-repeat;
  background-size:cover,cover,auto,auto,cover,cover;
  background-position:center,center,center,center,center,center;
}
.bp-intro-v2::after{
  content:"";
  position:absolute;
  left:0;right:0;top:56px;height:1px;
  background:linear-gradient(90deg,rgba(62,230,248,.42),transparent 58%);
  opacity:.7;
}
.bp-intro-v2-head{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(360px,.65fr);
  gap:70px;
  align-items:end;
}
.bp-intro-v2 .bp-section-head{max-width:950px}
.bp-intro-v2 .bp-section-head h2{
  font-size:clamp(48px,4.8vw,78px);
  line-height:.93;
}
.bp-intro-v2-lead{
  position:relative;
  margin:0 0 4px;
  color:#eef7fb;
  font-size:17px;
  line-height:1.68;
  max-width:590px;
  padding:18px 24px 18px 28px;
  border-left:1px solid rgba(75,231,250,.60);
  border-radius:0 18px 18px 0;
  background:
    linear-gradient(90deg,rgba(2,11,19,.78) 0%,rgba(2,11,19,.68) 62%,rgba(2,11,19,.34) 100%);
  box-shadow:0 12px 34px rgba(0,0,0,.14);
  backdrop-filter:blur(5px);
  text-shadow:0 2px 10px rgba(0,0,0,.66);
}
.bp-intro-grid-v2{
  position:relative;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  margin-top:58px;
}
.bp-intro-grid-v2::before{
  content:"";
  position:absolute;
  inset:-26px -18px auto -18px;
  height:240px;
  z-index:-1;
  pointer-events:none;
  background:
    linear-gradient(180deg,rgba(2,11,19,.10),rgba(2,11,19,.36)),
    radial-gradient(circle at 12% 58%,rgba(62,230,248,.10),transparent 22%),
    radial-gradient(circle at 49% 16%,rgba(255,150,95,.07),transparent 18%),
    radial-gradient(circle at 84% 44%,rgba(126,98,255,.08),transparent 20%);
  filter:blur(10px);
  opacity:.9;
}
.bp-feature-v2{
  min-height:0;
  padding:0;
  border-radius:24px;
  border-color:rgba(72,225,247,.30);
  background:linear-gradient(180deg,rgba(7,27,43,.98),rgba(3,15,25,.98));
  box-shadow:0 24px 58px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.025);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.bp-feature-v2::after{display:none}
.bp-feature-v2-media{
  position:relative;
  height:220px;
  overflow:hidden;
  background:#061522;
  border-bottom:1px solid rgba(72,225,247,.20);
}
.bp-feature-v2-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,12,20,.04) 40%,rgba(3,15,25,.82) 100%);
  pointer-events:none;
}
.bp-feature-v2-media img{
  width:100%;height:100%;display:block;
  object-fit:cover;
  object-position:center 38%;
  filter:saturate(1.05) contrast(1.04) brightness(.92);
  transform:scale(1.02);
}
.bp-feature-v2:nth-child(1) .bp-feature-v2-media img{object-position:center 48%;transform:scale(1.03)}
.bp-feature-v2-media-world img{object-position:center 48%;transform:scale(1.03)}
.bp-feature-v2:nth-child(3) .bp-feature-v2-media img{object-position:center 44%;transform:scale(1.02)}
.bp-feature-v2-body{padding:24px 26px 28px}
.bp-feature-v2-top{display:flex;align-items:center;justify-content:space-between;gap:14px}
.bp-feature-v2 .bp-feature-no{font-size:11px;font-weight:900;letter-spacing:.16em}
.bp-feature-v2-tag{
  color:#7894a5;
  font-size:9px;
  font-weight:900;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.bp-feature-v2 h3{
  margin:34px 0 12px;
  font-size:clamp(24px,1.65vw,30px);
  line-height:1.08;
  letter-spacing:-.035em;
}
.bp-feature-v2 p{
  color:#aebfca;
  font-size:14px;
  line-height:1.62;
}
@media(hover:hover){
  .bp-feature-v2:hover{
    transform:translateY(-4px);
    border-color:rgba(83,235,252,.64);
    box-shadow:0 28px 70px rgba(0,0,0,.32),0 0 26px rgba(43,214,239,.08);
  }
  .bp-feature-v2:hover .bp-feature-v2-media img{filter:saturate(1.08) contrast(1.05) brightness(1)}
}
@media(max-width:1100px){
  .bp-intro-v2{width:calc(100% - 48px);padding:86px 0 92px}
  .bp-intro-v2-head{grid-template-columns:1fr;gap:24px}
  .bp-intro-v2-lead{max-width:760px;background:linear-gradient(90deg,rgba(2,11,19,.82),rgba(2,11,19,.52));backdrop-filter:blur(4px)}
  .bp-intro-grid-v2{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:42px}
  .bp-feature-v2:last-child{grid-column:1/-1}
  .bp-feature-v2:last-child{display:grid;grid-template-columns:43% 57%}
  .bp-feature-v2:last-child .bp-feature-v2-media{height:100%;min-height:250px;border-bottom:0;border-right:1px solid rgba(72,225,247,.20)}
}
@media(max-width:700px){
  .bp-intro-v2{width:calc(100% - 32px);padding:70px 0 74px}
  .bp-intro-v2::after{top:28px}
  .bp-intro-v2-head{gap:20px}
  .bp-intro-v2 .bp-section-head h2{font-size:clamp(38px,10.4vw,50px)}
  .bp-intro-v2-lead{padding:14px 16px 14px 18px;font-size:14px;line-height:1.58;border-radius:0 14px 14px 0;background:linear-gradient(90deg,rgba(2,11,19,.88),rgba(2,11,19,.62))}
  .bp-intro-grid-v2{grid-template-columns:1fr;margin-top:34px}
  .bp-feature-v2,.bp-feature-v2:last-child{display:block;grid-column:auto}
  .bp-feature-v2-media,.bp-feature-v2:last-child .bp-feature-v2-media{height:auto;min-height:0;aspect-ratio:1.48/1;border-right:0;border-bottom:1px solid rgba(72,225,247,.20)}
  .bp-feature-v2-body{padding:20px 20px 24px}
  .bp-feature-v2 h3{margin-top:26px;font-size:24px}
  .bp-feature-v2 p{font-size:13.5px}
}
@media(prefers-reduced-motion:reduce){.bp-feature-v2{transition:none!important}}
