:root{
  --pura-bg:#07111f;
  --pura-bg-soft:#0b1728;
  --pura-panel:#101f32;
  --pura-panel-soft:rgba(255,255,255,.035);
  --pura-line:rgba(255,255,255,.11);
  --pura-line-strong:rgba(255,255,255,.18);
  --pura-text:#f5f8fc;
  --pura-muted:#aebbd0;
  --pura-blue:#7cdaff;
  --pura-green:#a5f3cf;
  --pura-warn:#ffd38a;
  --pura-danger:#ff9b9b;
  --pura-max:1240px;
  --pura-radius:24px;
  --pura-shadow:0 28px 80px rgba(0,0,0,.24);
}

*{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  background:var(--pura-bg);
}

body{
  margin:0;
  color:var(--pura-text);
  background:
    radial-gradient(circle at 84% 0%,rgba(42,136,181,.16),transparent 34rem),
    radial-gradient(circle at 0 42%,rgba(49,180,151,.07),transparent 38rem),
    var(--pura-bg);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height:1.58;
  text-rendering:optimizeLegibility;
}

img{
  max-width:100%;
  height:auto;
  display:block;
}

a{color:inherit}

button,input,textarea,select{
  font:inherit;
}

:focus-visible{
  outline:3px solid var(--pura-blue);
  outline-offset:4px;
}

.pura-skip{
  position:absolute;
  left:-9999px;
  top:10px;
  z-index:999;
  background:white;
  color:#07111f;
  padding:12px 16px;
  border-radius:8px;
  font-weight:800;
}

.pura-skip:focus{left:10px}

.pura-wrap{
  width:min(var(--pura-max),calc(100% - 44px));
  margin-inline:auto;
}

.pura-header{
  position:sticky;
  top:0;
  z-index:100;
  border-bottom:1px solid var(--pura-line);
  background:rgba(7,17,31,.88);
  backdrop-filter:blur(18px);
}

.pura-nav{
  min-height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}

.pura-brand{
  display:flex;
  align-items:center;
  gap:14px;
  text-decoration:none;
  min-width:210px;
}

.pura-brand img{
  width:120px;
  height:66px;
  object-fit:contain;
  object-position:left center;
}

.pura-brand-copy strong{
  display:block;
  font-size:.8rem;
  letter-spacing:.15em;
}

.pura-brand-copy span{
  display:block;
  margin-top:2px;
  color:var(--pura-muted);
  font-size:.76rem;
}

.pura-menu{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:22px;
  font-size:.9rem;
}

.pura-menu a{
  color:#dce6f4;
  text-decoration:none;
}

.pura-menu a:hover,
.pura-menu a[aria-current="page"]{
  color:white;
}

.pura-menu-toggle{
  display:none;
  border:1px solid var(--pura-line);
  background:rgba(255,255,255,.04);
  color:white;
  border-radius:999px;
  padding:10px 14px;
  cursor:pointer;
}

.pura-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:50px;
  padding:0 23px;
  border-radius:999px;
  border:1px solid transparent;
  text-decoration:none;
  font-weight:780;
  transition:transform .16s ease,background .16s ease,border-color .16s ease;
}

.pura-btn:hover{transform:translateY(-1px)}

.pura-btn-primary{
  color:#07111f;
  background:linear-gradient(135deg,var(--pura-blue),var(--pura-green));
}

.pura-btn-secondary{
  color:white;
  border-color:var(--pura-line);
  background:rgba(255,255,255,.04);
}

.pura-kicker{
  margin-bottom:20px;
  color:var(--pura-blue);
  font-size:.76rem;
  line-height:1.3;
  font-weight:820;
  letter-spacing:.18em;
  text-transform:uppercase;
}

.pura-hero{
  padding:104px 0 86px;
}

.pura-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);
  gap:68px;
  align-items:center;
}

.pura-hero h1,
.pura-page-hero h1{
  margin:0;
  max-width:960px;
  font-size:clamp(3rem,6.8vw,6.5rem);
  line-height:1.01;
  letter-spacing:-.064em;
}

.pura-hero h1 .pura-soft{
  display:block;
  color:#a8bad0;
}

.pura-lead{
  max-width:800px;
  margin:28px 0 0;
  color:#cad6e5;
  font-size:clamp(1.08rem,1.8vw,1.34rem);
}

.pura-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}

.pura-principle{
  padding:36px;
  border:1px solid var(--pura-line);
  border-radius:28px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
  box-shadow:var(--pura-shadow);
}

.pura-principle small{
  display:block;
  margin-bottom:21px;
  color:var(--pura-muted);
  font-size:.74rem;
  letter-spacing:.16em;
  text-transform:uppercase;
}

.pura-principle p{
  margin:0;
  font-size:clamp(1.5rem,2.7vw,2.3rem);
  line-height:1.17;
  letter-spacing:-.034em;
}

.pura-principle strong{color:var(--pura-green)}

.pura-proof-strip{
  border-block:1px solid var(--pura-line);
  background:rgba(255,255,255,.025);
}

.pura-proof-grid{
  display:grid;
  grid-template-columns:1.25fr repeat(2,.85fr);
  gap:30px;
  align-items:center;
  padding:28px 0;
}

.pura-proof-grid small{color:var(--pura-muted)}
.pura-proof-name{font-size:1.18rem;font-weight:780}

.pura-section{
  padding:94px 0;
}

.pura-section-alt{
  border-block:1px solid var(--pura-line);
  background:rgba(255,255,255,.022);
}

.pura-section-deep{
  background:var(--pura-bg-soft);
}

.pura-section-head{
  display:grid;
  grid-template-columns:.88fr 1.12fr;
  gap:55px;
  align-items:end;
  margin-bottom:46px;
}

.pura-section h2,
.pura-page-hero h2{
  margin:0;
  font-size:clamp(2.3rem,4.8vw,4.5rem);
  line-height:1.05;
  letter-spacing:-.054em;
}

.pura-section-intro{
  max-width:760px;
  color:var(--pura-muted);
  font-size:1.06rem;
}

.pura-grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}

.pura-grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}

.pura-grid-4{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}

.pura-card{
  border:1px solid var(--pura-line);
  border-radius:var(--pura-radius);
  padding:30px;
  background:var(--pura-panel-soft);
}

.pura-card-number{
  margin-bottom:33px;
  color:var(--pura-blue);
  font-size:.72rem;
  font-weight:760;
  letter-spacing:.14em;
}

.pura-card h3{
  margin:0;
  font-size:1.42rem;
  line-height:1.14;
  letter-spacing:-.025em;
}

.pura-card p{
  margin:14px 0 0;
  color:var(--pura-muted);
}

.pura-card ul{
  margin:16px 0 0;
  padding-left:19px;
  color:var(--pura-muted);
}

.pura-chain{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:10px;
  margin-top:42px;
}

.pura-chain div{
  border-top:2px solid rgba(124,218,255,.44);
  padding-top:16px;
  font-weight:740;
}

.pura-feature{
  min-height:350px;
  border:1px solid var(--pura-line);
  border-radius:28px;
  padding:38px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  background:
    radial-gradient(circle at 82% 0%,rgba(124,218,255,.12),transparent 22rem),
    rgba(255,255,255,.025);
}

.pura-feature h3{
  margin:0 0 14px;
  font-size:clamp(1.9rem,3.8vw,3.1rem);
  line-height:1.07;
  letter-spacing:-.045em;
}

.pura-feature p{
  margin:0;
  max-width:680px;
  color:var(--pura-muted);
}

.pura-page-hero{
  padding:92px 0 74px;
  border-bottom:1px solid var(--pura-line);
}

.pura-page-hero .pura-lead{
  max-width:850px;
}

.pura-breadcrumbs{
  margin-bottom:26px;
  color:var(--pura-muted);
  font-size:.83rem;
}

.pura-breadcrumbs a{text-decoration:none}

.pura-evidence{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:25px;
}

.pura-chip{
  border:1px solid var(--pura-line);
  border-radius:999px;
  padding:8px 12px;
  color:#dce6f4;
  background:rgba(255,255,255,.035);
  font-size:.8rem;
}

.pura-status{
  border-left:3px solid var(--pura-blue);
  padding:18px 20px;
  background:rgba(124,218,255,.06);
  color:#dce7f5;
}

.pura-status.pura-status-unknown{
  border-color:var(--pura-warn);
  background:rgba(255,211,138,.06);
}

.pura-status strong{display:block;margin-bottom:5px}

.pura-table-wrap{
  overflow-x:auto;
  border:1px solid var(--pura-line);
  border-radius:20px;
}

.pura-table{
  width:100%;
  border-collapse:collapse;
  min-width:680px;
}

.pura-table th,
.pura-table td{
  text-align:left;
  vertical-align:top;
  padding:17px 18px;
  border-bottom:1px solid var(--pura-line);
}

.pura-table th{
  color:white;
  background:rgba(255,255,255,.04);
}

.pura-table td{color:var(--pura-muted)}
.pura-table tr:last-child td{border-bottom:0}

.pura-quote{
  margin:0;
  padding:0 0 0 24px;
  border-left:3px solid var(--pura-green);
  font-size:clamp(1.4rem,2.7vw,2.15rem);
  line-height:1.28;
  letter-spacing:-.027em;
}

.pura-small{
  color:var(--pura-muted);
  font-size:.88rem;
}

.pura-cta{
  padding:88px 0 108px;
}

.pura-cta-box{
  padding:58px;
  border:1px solid var(--pura-line);
  border-radius:32px;
  background:
    radial-gradient(circle at 90% 10%,rgba(124,218,255,.16),transparent 27rem),
    linear-gradient(135deg,#102137,#0a1625);
}

.pura-cta-box h2{
  margin:0;
  max-width:890px;
  font-size:clamp(2.3rem,5vw,4.6rem);
  line-height:1.05;
  letter-spacing:-.054em;
}

.pura-cta-box p{
  max-width:760px;
  margin:23px 0 0;
  color:var(--pura-muted);
  font-size:1.08rem;
}

.pura-footer{
  border-top:1px solid var(--pura-line);
  padding:52px 0 58px;
  color:var(--pura-muted);
}

.pura-footer-grid{
  display:grid;
  grid-template-columns:1.2fr repeat(3,.8fr);
  gap:36px;
}

.pura-footer-brand img{
  width:125px;
  margin-bottom:15px;
}

.pura-footer h4{
  margin:0 0 12px;
  color:white;
  font-size:.88rem;
  letter-spacing:.06em;
}

.pura-footer-links{
  display:grid;
  gap:8px;
}

.pura-footer-links a{
  color:var(--pura-muted);
  text-decoration:none;
  font-size:.86rem;
}

.pura-footer-links a:hover{color:white}

.pura-footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:24px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--pura-line);
  font-size:.8rem;
}

@media(max-width:1000px){
  .pura-menu{
    display:none;
    position:absolute;
    top:88px;
    left:0;
    right:0;
    padding:22px;
    flex-direction:column;
    align-items:stretch;
    background:#081422;
    border-bottom:1px solid var(--pura-line);
  }

  .pura-menu[data-open="true"]{display:flex}
  .pura-menu-toggle{display:inline-flex}

  .pura-hero-grid,
  .pura-section-head{
    grid-template-columns:1fr;
  }

  .pura-grid-3{grid-template-columns:1fr 1fr}
  .pura-grid-4{grid-template-columns:1fr 1fr}
  .pura-proof-grid{grid-template-columns:1fr 1fr}
  .pura-proof-grid>small{grid-column:1/-1}
  .pura-footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:720px){
  .pura-wrap{width:calc(100% - 28px)}
  .pura-brand-copy{display:none}
  .pura-brand{min-width:auto}
  .pura-brand img{width:104px;height:58px}
  .pura-nav{min-height:76px}
  .pura-menu{top:76px}

  .pura-hero,
  .pura-page-hero{padding-top:68px}

  .pura-section{padding:72px 0}

  .pura-grid-2,
  .pura-grid-3,
  .pura-grid-4,
  .pura-proof-grid{
    grid-template-columns:1fr;
  }

  .pura-chain{grid-template-columns:1fr 1fr}

  .pura-principle,
  .pura-card,
  .pura-feature{padding:27px}

  .pura-cta-box{padding:36px 27px}

  .pura-footer-grid{grid-template-columns:1fr}
  .pura-footer-bottom{
    flex-direction:column;
    gap:8px;
  }
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    scroll-behavior:auto!important;
    transition:none!important;
    animation:none!important;
  }
}

/* ==========================================================
   Pura visual refinement tranche 1
   Design preserved; sizing and responsive balance only
   ========================================================== */

.pura-brand img{
  width: 138px;
  height: 72px;
  object-fit: contain;
}

.pura-hero{
  padding-top: 72px;
  padding-bottom: 72px;
}

.pura-hero-grid{
  align-items:center;
  gap:64px;
}

.pura-hero h1,
.pura-page-hero h1{
  font-size:clamp(3.6rem,6.4vw,6.9rem);
  line-height:.92;
  letter-spacing:-.055em;
}

.pura-hero .pura-lead{
  max-width:760px;
  margin-top:28px;
}

.pura-principle{
  padding:40px;
}

.pura-principle p{
  font-size:clamp(1.75rem,2.5vw,2.55rem);
  line-height:1.13;
}

@media(max-width:1000px){
  .pura-hero{
    padding-top:56px;
    padding-bottom:60px;
  }

  .pura-hero-grid{
    gap:36px;
  }

  .pura-principle{
    max-width:760px;
  }
}

@media(max-width:720px){
  .pura-wrap{
    width:calc(100% - 40px);
  }

  .pura-nav{
    min-height:88px;
  }

  .pura-brand{
    min-width:auto;
  }

  .pura-brand img{
    width:120px;
    height:64px;
  }

  .pura-hero{
    padding-top:54px;
    padding-bottom:48px;
  }

  .pura-hero-grid{
    gap:28px;
  }

  .pura-hero h1,
  .pura-page-hero h1{
    font-size:clamp(3.25rem,14vw,4.75rem);
    line-height:.94;
    letter-spacing:-.05em;
  }

  .pura-hero .pura-kicker{
    margin-bottom:22px;
  }

  .pura-hero .pura-lead{
    margin-top:24px;
    font-size:1.12rem;
    line-height:1.52;
  }

  .pura-actions{
    display:grid;
    grid-template-columns:1fr;
    gap:12px;
    margin-top:28px;
  }

  .pura-actions .pura-btn{
    width:100%;
    justify-content:center;
  }

  .pura-principle{
    padding:28px;
  }

  .pura-principle p{
    font-size:1.65rem;
    line-height:1.18;
  }
}


/* ==========================================================
   Authoritative V4 logo integration
   Artwork unchanged — presentation dimensions only
   ========================================================== */

.pura-brand{
  display:flex;
  align-items:center;
  min-width:auto;
}

.pura-brand img{
  display:block;
  width:176px;
  height:auto;
  max-height:78px;
  object-fit:contain;
}

.pura-footer-brand img{
  display:block;
  width:190px;
  height:auto;
  max-height:none;
  object-fit:contain;
  margin-bottom:18px;
}

@media(max-width:720px){
  .pura-brand img{
    width:138px;
    height:auto;
    max-height:70px;
  }

  .pura-footer-brand img{
    width:170px;
    height:auto;
  }
}



/* ==========================================================
   P012-ready product proof architecture
   Pending evidence is rendered as a governed marker.
   ========================================================== */
.pura-proof-section{background:rgba(255,255,255,.025)}
.pura-proof-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.pura-proof-block{overflow:hidden;border:1px solid var(--pura-line);border-radius:var(--pura-radius);background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018))}
.pura-proof-visual{min-height:190px;display:grid;place-items:center;padding:24px;border-bottom:1px solid var(--pura-line);background:radial-gradient(circle at 50% 0%,rgba(124,218,255,.13),transparent 64%),#0a1727}
.pura-proof-visual img{width:100%;border:1px solid var(--pura-line-strong);border-radius:12px}
.pura-proof-placeholder{width:100%;min-height:135px;display:grid;align-content:center;gap:9px;padding:24px;border:1px dashed rgba(255,211,138,.58);border-radius:14px;color:var(--pura-warn);text-align:center;background:rgba(255,211,138,.055)}
.pura-proof-placeholder strong{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase}
.pura-proof-placeholder span{color:var(--pura-muted);font-size:.9rem}
.pura-proof-copy{padding:26px}
.pura-proof-state{margin-bottom:12px;color:var(--pura-warn);font-size:.72rem;font-weight:820;letter-spacing:.12em;text-transform:uppercase}
.pura-proof-copy h3{margin:0 0 14px}
.pura-proof-copy p{color:var(--pura-muted)}
.pura-proof-meta{display:grid;gap:10px;margin:20px 0}
.pura-proof-meta div{display:grid;grid-template-columns:105px 1fr;gap:12px;padding-top:10px;border-top:1px solid var(--pura-line)}
.pura-proof-meta dt{color:var(--pura-muted);font-size:.76rem}
.pura-proof-meta dd{margin:0;font-size:.82rem;color:#e5edf7}
.pura-text-link{color:var(--pura-blue);font-weight:780;text-decoration:none}
.pura-text-link:hover{text-decoration:underline}
.pura-role-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.pura-case-study{padding:30px;border:1px solid var(--pura-line);border-radius:var(--pura-radius);background:var(--pura-panel-soft)}
.pura-case-study h3{margin-top:0}
.pura-case-study h4{margin:22px 0 4px;color:var(--pura-blue);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
.pura-case-study p{margin:0;color:var(--pura-muted)}
@media(max-width:900px){.pura-proof-grid{grid-template-columns:1fr}.pura-role-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.pura-role-grid{grid-template-columns:1fr}.pura-proof-copy{padding:24px}.pura-proof-meta div{grid-template-columns:1fr;gap:4px}}