.pythology-home-hero{
  isolation:isolate;
  background-image:
    linear-gradient(90deg,rgba(3,8,12,.97) 0%,rgba(3,8,12,.88) 43%,rgba(3,8,12,.55) 72%,rgba(3,8,12,.82) 100%),
    linear-gradient(180deg,rgba(5,8,11,.32),rgba(5,8,11,.94)),
    url("png_images/home_page_banner.png");
  background-size:cover;
  background-position:center;
}
.pythology-home-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(120deg,rgba(114,230,255,.08),transparent 28%,transparent 72%,rgba(114,230,255,.035));
  pointer-events:none;
}
.pythology-home-hero::after{
  content:"";
  position:absolute;
  inset:18px;
  z-index:-1;
  border-top:1px solid rgba(114,230,255,.08);
  border-left:1px solid rgba(114,230,255,.04);
  border-radius:22px;
  pointer-events:none;
}
.home-thesis-panel{
  backdrop-filter:blur(14px);
  background:linear-gradient(155deg,rgba(6,17,23,.83),rgba(4,10,14,.65));
}

.architecture-intro{max-width:820px;margin-bottom:46px}
.architecture-intro .lede{max-width:800px}
.architecture-stack{display:grid;gap:14px}
.architecture-layer{
  --layer-image:none;
  position:relative;
  overflow:hidden;
  min-height:190px;
  display:grid;
  grid-template-columns:120px minmax(0,1.2fr) minmax(240px,.8fr);
  align-items:center;
  gap:28px;
  padding:30px 34px;
  border:1px solid var(--line);
  border-radius:18px;
  background-image:
    linear-gradient(90deg,rgba(5,11,15,.98) 0%,rgba(5,11,15,.93) 43%,rgba(5,11,15,.68) 70%,rgba(5,11,15,.87) 100%),
    linear-gradient(180deg,rgba(3,8,11,.24),rgba(3,8,11,.84)),
    var(--layer-image);
  background-size:cover;
  background-position:center;
  box-shadow:0 20px 60px rgba(0,0,0,.18);
  transition:.25s ease;
}
.architecture-layer::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(120deg,rgba(114,230,255,.045),transparent 34%,transparent 76%,rgba(114,230,255,.025));
}
.architecture-layer:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 26px 70px rgba(0,0,0,.27)}
.layer-index{
  position:relative;
  z-index:1;
  color:var(--cyan);
  font:600 11px 'JetBrains Mono',monospace;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.layer-index strong{display:block;margin-top:8px;color:var(--text);font:600 clamp(28px,3vw,42px) 'Space Grotesk',sans-serif;letter-spacing:-.04em}
.layer-copy{position:relative;z-index:1}
.layer-copy h3{margin:0 0 10px;font-family:'Space Grotesk';font-size:clamp(24px,2.5vw,34px)}
.layer-copy p{max-width:720px;margin:0;color:#a8bbc1;line-height:1.72;font-size:14px}
.layer-side{position:relative;z-index:1;border-left:1px solid rgba(114,230,255,.14);padding-left:24px}
.layer-side b{display:block;color:var(--cyan);font:600 10px 'JetBrains Mono',monospace;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px}
.layer-side span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
.layer-arrow{display:inline-flex;margin-top:12px;color:var(--cyan);font-size:12px;text-decoration:none}

.architecture-bridge{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  margin:22px 0 0;
  color:#738991;
  font:500 9px 'JetBrains Mono',monospace;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.architecture-bridge::before,.architecture-bridge::after{content:"";height:1px;background:linear-gradient(90deg,transparent,rgba(114,230,255,.22),transparent)}

.domain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.domain-card{
  --domain-image:none;
  position:relative;
  min-height:360px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  overflow:hidden;
  padding:30px;
  border:1px solid var(--line);
  border-radius:20px;
  text-decoration:none;
  background-image:
    linear-gradient(180deg,rgba(3,8,11,.2) 0%,rgba(3,8,11,.72) 50%,rgba(3,8,11,.98) 100%),
    var(--domain-image);
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
  transition:.25s ease;
}
.domain-card::before{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(114,230,255,.08),transparent 35%,transparent 78%);pointer-events:none}
.domain-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.domain-card>*{position:relative;z-index:1}
.domain-card .card-number{margin-bottom:16px}
.domain-card h3{font-size:30px;margin:0 0 12px;font-family:'Space Grotesk'}
.domain-card p{margin:0;color:#a6b8bd;line-height:1.7;font-size:14px}
.domain-card .card-arrow{margin-top:22px}

.sentinel-band{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  background-image:
    linear-gradient(90deg,rgba(3,9,13,.94),rgba(3,9,13,.82) 54%,rgba(3,9,13,.62)),
    linear-gradient(180deg,rgba(3,9,13,.18),rgba(3,9,13,.88)),
    url("Banner.jpeg");
  background-size:cover;
  background-position:center;
}
.sentinel-band::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(120deg,rgba(114,230,255,.07),transparent 32%,transparent 75%,rgba(114,230,255,.03))}
.sentinel-band .feature-grid{position:relative;z-index:1}
.sentinel-function-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.sentinel-function{padding:16px;border:1px solid rgba(114,230,255,.12);border-radius:12px;background:rgba(2,11,16,.52);backdrop-filter:blur(8px)}
.sentinel-function b{display:block;color:var(--cyan);font:600 9px 'JetBrains Mono';letter-spacing:.14em;text-transform:uppercase;margin-bottom:7px}
.sentinel-function span{color:#a3b5ba;font-size:12px;line-height:1.55}

.magic-note{max-width:930px;margin:0 auto;text-align:center}
.magic-note .h2{font-size:clamp(34px,4.2vw,58px)}
.magic-note p{max-width:760px;margin:22px auto 0;color:#9fb1b7;line-height:1.75}

@media(max-width:1000px){
  .architecture-layer{grid-template-columns:90px 1fr;}
  .layer-side{grid-column:2;border-left:0;border-top:1px solid rgba(114,230,255,.12);padding:16px 0 0}
  .domain-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .pythology-home-hero{background-position:64% center}
  .architecture-layer{grid-template-columns:1fr;gap:18px;padding:24px;min-height:0}
  .layer-index strong{display:inline;margin:0 0 0 10px;font-size:28px}
  .layer-side{grid-column:auto}
  .domain-grid{grid-template-columns:1fr}
  .domain-card{min-height:320px}
  .sentinel-function-grid{grid-template-columns:1fr}
}