/* DENTAL FREQUENCY DESIGN LANDING */
.landing-body{
  min-height:100vh;
  overflow:auto;
}
.landing-shell{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:42px 22px;
}
.landing-hero{
  width:min(1180px,100%);
  display:flex;
  flex-direction:column;
  gap:30px;
}
.landing-brand{
  display:flex;
  align-items:center;
  gap:20px;
  padding:20px 0 8px;
}
.landing-brand img{
  width:92px;
  height:92px;
  object-fit:contain;
  border-radius:50%;
  border:1px solid #1c6f8f;
  background:#050b0f;
  box-shadow:0 0 28px rgba(0,167,255,.18);
}
.landing-title-wrap h1{
  margin:0;
  font-size:clamp(34px,6vw,72px);
  line-height:.95;
  letter-spacing:-.03em;
  color:#fff;
  text-shadow:0 0 30px rgba(0,167,255,.12);
}
.landing-title-wrap p{
  margin:14px 0 0;
  max-width:760px;
  color:#9ab5c2;
  font-size:clamp(15px,2vw,19px);
  line-height:1.5;
}
.landing-entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.landing-entry-card{
  position:relative;
  overflow:hidden;
  min-height:280px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:28px;
  border:1px solid #1d4352;
  border-radius:16px;
  background:
    linear-gradient(180deg,rgba(13,31,40,.86),rgba(7,18,24,.96));
  color:#eef8fc!important;
  box-shadow:0 24px 60px rgba(0,0,0,.24);
  transition:.22s ease;
}
.landing-entry-card:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 20% 0%,rgba(0,167,255,.14),transparent 34%),
    linear-gradient(135deg,transparent 0 56%,rgba(84,215,255,.04) 56% 58%,transparent 58%);
  pointer-events:none;
}
.landing-entry-card:after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,transparent,#00a7ff,#58d9ff,transparent);
  opacity:.55;
  box-shadow:0 0 18px rgba(0,167,255,.4);
}
.landing-entry-card:hover{
  transform:translateY(-4px);
  border-color:#2b7898;
  box-shadow:0 30px 70px rgba(0,0,0,.30),0 0 28px rgba(0,167,255,.09);
}
.entry-eyebrow{
  position:relative;
  z-index:1;
  color:#66d7ff;
  font-size:11px;
  font-weight:850;
  letter-spacing:.18em;
  margin-bottom:10px;
}
.landing-entry-card h2{
  position:relative;
  z-index:1;
  margin:0 0 10px;
  font-size:31px;
  color:#fff;
}
.landing-entry-card p{
  position:relative;
  z-index:1;
  margin:0;
  color:#9db8c4;
  line-height:1.5;
  max-width:520px;
}
.entry-action{
  position:relative;
  z-index:1;
  margin-top:24px;
  color:#87e5ff;
  font-weight:850;
  letter-spacing:.06em;
}
.landing-feature-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;
}
.landing-feature-strip>div{
  min-height:98px;
  padding:16px;
  border:1px solid #183b48;
  border-radius:10px;
  background:rgba(8,20,26,.78);
  backdrop-filter:blur(7px);
}
.landing-feature-strip strong{
  display:block;
  color:#dff7ff;
  margin-bottom:5px;
  font-size:13px;
}
.landing-feature-strip span{
  color:#7899a7;
  font-size:11px;
  line-height:1.35;
}
.landing-footer-note{
  display:flex;
  justify-content:space-between;
  gap:20px;
  color:#64818e;
  font-size:11px;
  padding:4px 2px 0;
  letter-spacing:.04em;
}
@media(max-width:800px){
  .landing-shell{padding:24px 14px}
  .landing-brand{align-items:flex-start}
  .landing-brand img{width:68px;height:68px}
  .landing-entry-grid{grid-template-columns:1fr}
  .landing-entry-card{min-height:230px}
  .landing-feature-strip{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .landing-brand{gap:13px}
  .landing-title-wrap h1{font-size:34px}
  .landing-title-wrap p{font-size:14px}
  .landing-feature-strip{grid-template-columns:1fr}
  .landing-footer-note{flex-direction:column;gap:6px}
}


/* SCANNING HERO VISUAL */
.scan-hero{
  position:relative;
}
.scan-frame{
  position:relative;
  height:500px;
  overflow:hidden;
  border:1px solid #1d5368;
  border-radius:16px;
  background:#03080b;
  box-shadow:0 26px 70px rgba(0,0,0,.34),0 0 34px rgba(0,167,255,.08);
}
.scan-frame img{
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center center;
  background:#000;
  filter:saturate(.92) contrast(1.04) brightness(.88);
  transform:none;
}
.scan-frame:after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at center,transparent 40%,rgba(0,0,0,.34) 100%),
    linear-gradient(180deg,rgba(0,167,255,.04),transparent 35%,rgba(0,167,255,.03));
}
.scan-grid{
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(66,214,255,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(66,214,255,.16) 1px,transparent 1px);
  background-size:42px 42px;
  mix-blend-mode:screen;
  opacity:.42;
  animation:scanGridFloat 18s ease-in-out infinite;
}
.scan-line{
  position:absolute;
  left:0;
  right:0;
  top:10%;
  height:2px;
  background:linear-gradient(90deg,transparent,#3bd7ff 15%,#9ff3ff 50%,#3bd7ff 85%,transparent);
  box-shadow:0 0 9px rgba(74,219,255,.95),0 0 26px rgba(0,167,255,.58);
  animation:scanSweep 6.5s ease-in-out infinite;
  z-index:3;
}
.scan-line:before{
  content:"";
  position:absolute;
  left:0;right:0;top:-18px;height:38px;
  background:linear-gradient(180deg,transparent,rgba(0,167,255,.10),transparent);
  filter:blur(6px);
}
.scan-corners .c{
  position:absolute;
  width:32px;height:32px;
  border-color:#48d5ff;
  opacity:.85;
  z-index:4;
}
.scan-corners .tl{left:18px;top:18px;border-left:2px solid;border-top:2px solid}
.scan-corners .tr{right:18px;top:18px;border-right:2px solid;border-top:2px solid}
.scan-corners .bl{left:18px;bottom:18px;border-left:2px solid;border-bottom:2px solid}
.scan-corners .br{right:18px;bottom:18px;border-right:2px solid;border-bottom:2px solid}
.scan-meta{
  position:absolute;
  bottom:18px;
  z-index:5;
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:12px 14px;
  border:1px solid rgba(48,160,200,.45);
  background:rgba(2,10,14,.68);
  backdrop-filter:blur(5px);
  color:#84cce5;
  font-size:9px;
  letter-spacing:.08em;
}
.scan-meta strong{
  color:#68dcff;
  font-size:10px;
  letter-spacing:.14em;
  margin-bottom:3px;
}
.scan-meta.left{left:18px}
.scan-meta.right{right:18px}
@keyframes scanSweep{
  0%,100%{top:11%}
  50%{top:84%}
}
@keyframes scanGridFloat{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(12px,-8px,0) scale(1.015)}
}
@media(max-width:800px){
  .scan-frame{height:360px}
  .scan-meta{display:none}
  .scan-grid{background-size:30px 30px}
}
@media(max-width:520px){
  .scan-frame{height:280px;border-radius:12px}
  .scan-corners .c{width:24px;height:24px}
}
@media(prefers-reduced-motion:reduce){
  .scan-line,.scan-grid{animation:none!important}
}