/* The 4SI mark, expressed as one calm physical system.
   This replaces the legacy lab-grid treatment with the same warm, rounded
   institutional language used across the current Presence product family. */
.identity-principle{
  width:calc(100% - clamp(32px,8vw,128px));
  max-width:1500px;
  margin:0 auto clamp(40px,6vw,96px);
  padding:clamp(64px,7vw,106px)!important;
  grid-template-columns:minmax(320px,.7fr) minmax(540px,1.3fr)!important;
  gap:clamp(52px,8vw,126px)!important;
  overflow:hidden;
  border:1px solid #d8d9d4;
  border-radius:32px;
  background:#f2f2ef!important;
  color:#171916!important;
}
.identity-principle-copy{align-self:center}
.identity-principle-copy .section-number{color:#747871!important}
.identity-principle-copy h2{
  max-width:650px;
  margin:30px 0 38px!important;
  color:#171916!important;
  font-size:clamp(50px,5.2vw,80px)!important;
}
.identity-principle-copy h2 em{color:#666b65!important}
.identity-principle-copy p{
  max-width:610px!important;
  color:#575c56!important;
  font-size:16px!important;
  line-height:1.72!important;
}

.stable-mark-card{
  position:relative;
  min-width:0;
  margin:0;
  overflow:hidden;
  border:1px solid #d6d7d1;
  border-radius:30px;
  background:#fbfbf9;
  box-shadow:0 24px 70px rgba(25,27,24,.07);
}
.stable-mark-header{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:0 30px;
  border-bottom:1px solid #dedfd9;
  color:#636861;
  font:650 10px/1 Manrope,sans-serif;
  letter-spacing:.14em;
}
.stable-mark-header small{
  color:#8a8e87;
  font:inherit;
}
.stable-mark-stage{
  position:relative;
  min-height:430px;
  padding:18px 28px 0;
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 92%,rgba(100,108,84,.09),transparent 38%),
    linear-gradient(180deg,#fbfbf9,#f6f6f2);
}
.stable-mark-stage svg{
  width:100%;
  height:auto;
  display:block;
  overflow:visible;
}
.stable-mark-field{
  fill:none;
  stroke:#20231f;
  stroke-width:12;
  stroke-linecap:round;
}
.stable-mark-horizon{
  fill:none;
  stroke:#c9cbc5;
  stroke-width:1;
}
.stable-mark-center{
  stroke:#8a9085;
  stroke-width:1;
  stroke-dasharray:3 8;
  opacity:.58;
}
.stable-mark-particle{
  fill:#171916;
  filter:drop-shadow(0 10px 14px rgba(23,25,22,.2));
  transform-origin:360px 318px;
}
.stable-mark-card.is-animating .stable-mark-particle{
  animation:stable-mark-settle 4.4s cubic-bezier(.2,.72,.18,1) both;
}
.stable-mark-status{
  position:absolute;
  left:30px;
  bottom:29px;
  display:flex;
  align-items:center;
  gap:16px;
  color:#3d423c;
  font:600 10px/1 Manrope,sans-serif;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.stable-mark-status span{display:inline-flex;align-items:center;gap:9px}
.stable-mark-status i{
  width:7px;
  height:7px;
  border-radius:50%;
  background:#6d7757;
  box-shadow:0 0 0 6px rgba(109,119,87,.11);
}
.stable-mark-status small{
  padding-left:16px;
  border-left:1px solid #caccc5;
  color:#878b84;
  font:inherit;
}
.stable-mark-disturb{
  position:absolute;
  right:28px;
  bottom:22px;
  min-height:42px;
  display:inline-flex;
  align-items:center;
  gap:26px;
  padding:0 17px;
  border:1px solid #c7c9c2;
  border-radius:999px;
  background:rgba(251,251,249,.84);
  color:#252824;
  font:600 11px/1 Manrope,sans-serif;
  cursor:pointer;
  backdrop-filter:blur(10px);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.stable-mark-disturb:hover,
.stable-mark-disturb:focus-visible{
  border-color:#171916;
  background:#fff;
  outline:0;
  transform:translateY(-2px);
}
.stable-mark-disturb span{font-size:15px}
.stable-mark-sequence{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid #dedfd9;
  border-bottom:1px solid #dedfd9;
}
.stable-mark-sequence>div{
  min-height:142px;
  display:grid;
  grid-template-columns:auto 1fr;
  grid-template-rows:auto 1fr;
  column-gap:15px;
  align-content:start;
  padding:25px 23px;
  border-right:1px solid #dedfd9;
}
.stable-mark-sequence>div:last-child{border-right:0}
.stable-mark-sequence span{
  grid-row:1/3;
  color:#7a8074;
  font:650 10px/1.3 Manrope,sans-serif;
}
.stable-mark-sequence b{
  color:#222521;
  font:500 15px/1.2 Manrope,sans-serif;
}
.stable-mark-sequence small{
  align-self:end;
  max-width:150px;
  color:#767b74;
  font:400 12px/1.45 Manrope,sans-serif;
}
.stable-mark-card figcaption{
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:center;
  gap:30px;
  min-height:94px;
  padding:22px 30px;
  color:#72766f;
  font:500 11px/1.4 Manrope,sans-serif;
}
.stable-mark-card figcaption strong{
  justify-self:end;
  color:#171916;
  font:400 clamp(17px,1.5vw,22px)/1.25 Georgia,serif;
  text-align:right;
}

@keyframes stable-mark-settle{
  0%{transform:translate(158px,-145px)}
  16%{transform:translate(-116px,-79px)}
  32%{transform:translate(76px,-35px)}
  48%{transform:translate(-42px,-11px)}
  63%{transform:translate(19px,-3px)}
  76%{transform:translate(-7px,-1px)}
  88%{transform:translate(2px,0)}
  100%{transform:none}
}

@media(max-width:1100px){
  .identity-principle{
    grid-template-columns:1fr!important;
  }
  .identity-principle-copy{max-width:780px}
  .stable-mark-card{width:100%;max-width:860px}
}
@media(max-width:800px){
  .identity-principle{
    width:calc(100% - 28px);
    padding:56px 22px!important;
    border-radius:22px;
  }
  .identity-principle-copy h2{font-size:46px!important}
  .stable-mark-card{border-radius:20px}
  .stable-mark-header{min-height:62px;padding:0 20px}
  .stable-mark-header small{display:none}
  .stable-mark-stage{min-height:330px;padding:18px 8px 0}
  .stable-mark-status{left:20px;bottom:72px}
  .stable-mark-status small{display:none}
  .stable-mark-disturb{left:20px;right:auto;bottom:19px}
  .stable-mark-sequence{grid-template-columns:1fr}
  .stable-mark-sequence>div{
    min-height:94px;
    grid-template-columns:34px 1fr;
    padding:20px;
    border-right:0;
    border-bottom:1px solid #dedfd9;
  }
  .stable-mark-sequence>div:last-child{border-bottom:0}
  .stable-mark-sequence small{max-width:none;margin-top:8px}
  .stable-mark-card figcaption{grid-template-columns:1fr;gap:10px}
  .stable-mark-card figcaption strong{justify-self:start;text-align:left}
}
@media(prefers-reduced-motion:reduce){
  .stable-mark-card.is-animating .stable-mark-particle{animation:none}
}