:root{
  --bg:#f7f8fa;
  --panel:#fff;
  --text:#1b1d22;
  --muted:#68707b;
  --red:#d71920;
  --line:rgba(20,22,27,.09);
  --shadow:0 14px 36px rgba(31,35,43,.08);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#fff 0,#f7f8fa 48%,#f1f3f6 100%);
  min-height:100vh
}
a{color:inherit;text-decoration:none}
button{font:inherit}
.topbar{
  width:min(1240px,calc(100% - 40px));margin:0 auto;min-height:94px;
  display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)
}
.brand-mini img{width:128px;height:auto;display:block}
.top-actions{display:flex;align-items:center;gap:16px}
.vpn-state,.ghost-link{
  border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:999px;
  font-size:13px;color:var(--muted);box-shadow:0 4px 15px rgba(30,34,42,.035)
}
.vpn-state{display:flex;align-items:center;gap:8px}
.vpn-state .dot{width:8px;height:8px;border-radius:50%;background:#9ea3ac}
.vpn-state.online{color:#17642d;border-color:rgba(23,100,45,.18);background:#f3fff6}
.vpn-state.online .dot{background:#31b759;box-shadow:0 0 12px rgba(49,183,89,.35)}
main{width:min(1240px,calc(100% - 40px));margin:0 auto}
.hero{
  min-height:500px;display:grid;grid-template-columns:1.25fr .75fr;align-items:center;
  gap:40px;padding:68px 0 54px;border-bottom:1px solid var(--line)
}
.eyebrow{display:inline-block;color:var(--red);font-size:12px;font-weight:900;letter-spacing:.18em;text-transform:uppercase}
.hero h1{font-size:clamp(54px,7vw,94px);line-height:.92;margin:18px 0 24px;letter-spacing:-.055em}
.hero h1 span{color:var(--red)}
.hero p{max-width:720px;color:var(--muted);font-size:19px;line-height:1.65}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags span{padding:9px 13px;border:1px solid var(--line);border-radius:999px;color:#555c66;font-size:13px;background:#fff}
.hero-mark{display:flex;justify-content:center;align-items:center}
.hero-mark img{width:min(360px,100%);filter:drop-shadow(0 22px 38px rgba(169,13,20,.12))}
.section{padding:66px 0}
.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}
.section-heading h2{font-size:38px;margin:8px 0 0;letter-spacing:-.035em}
.section-heading p{margin:0;color:var(--muted)}
.grid{display:grid;gap:16px}
.public-grid,.technical-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.service-card{
  position:relative;min-height:190px;padding:24px;border-radius:var(--radius);
  border:1px solid var(--line);background:#fff;overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;cursor:pointer;
  box-shadow:0 7px 20px rgba(35,38,45,.035)
}
.service-card:before{
  content:"";position:absolute;width:170px;height:170px;right:-90px;bottom:-100px;
  background:radial-gradient(circle,rgba(215,25,32,.09),transparent 70%);transition:transform .25s ease
}
.service-card:hover{transform:translateY(-5px);border-color:rgba(215,25,32,.24);box-shadow:var(--shadow)}
.service-card:hover:before{transform:scale(1.35)}
.service-card.featured{grid-column:span 2;background:linear-gradient(132deg,#fff 0,#fff7f7 100%);border-color:rgba(215,25,32,.18)}
.card-top{display:flex;align-items:start;justify-content:space-between;gap:12px}
.icon-box{
  width:48px;height:48px;border-radius:15px;display:grid;place-items:center;
  background:#fff2f2;border:1px solid rgba(215,25,32,.12);font-size:22px
}
.tech-icon-box{
  width:58px;height:58px;border-radius:18px;display:grid;place-items:center;
  background:#fff;border:1px solid rgba(0,0,0,.055);box-shadow:0 6px 18px rgba(36,41,49,.05)
}
.tech-icon-box img{width:42px;height:42px;object-fit:contain;display:block}
.badge{
  font-size:10px;font-weight:900;letter-spacing:.12em;padding:7px 9px;border-radius:999px;
  border:1px solid var(--line);color:#656b75;background:#fbfbfc
}
.service-card h3{font-size:22px;margin:25px 0 7px}
.service-card p{margin:0;color:var(--muted);line-height:1.5;font-size:14px}
.card-arrow{position:absolute;right:22px;bottom:20px;font-size:23px;color:var(--red)}
.technical{
  margin:0 -16px 24px;padding:52px 16px 60px;border-radius:30px;
  background:#f3f5f8;border:1px solid rgba(20,22,27,.06)
}
.technical .section-heading p{color:#6f7680}
.security-strip{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid rgba(215,25,32,.13);
  border-radius:18px;padding:18px 20px;margin-bottom:20px;box-shadow:0 7px 20px rgba(35,38,45,.03)
}
.security-strip .lock-symbol{font-size:24px}
.security-strip strong{display:block}
.security-strip small{display:block;color:var(--muted);margin-top:3px}
.technical .service-card{background:#fff}
.technical .service-card.locked{opacity:.86}
.technical .service-card.locked:hover{opacity:1}
.brand-block{
  margin:22px 0 64px;padding:18px 26px;border-radius:24px;display:grid;
  grid-template-columns:1fr auto;gap:16px;align-items:center;
  background:linear-gradient(120deg,#a80d15,#d71920 58%,#f02a31);
  box-shadow:0 16px 40px rgba(165,14,21,.15);color:#fff
}
.brand-block .eyebrow{color:#ffd6d8}
.brand-block h2{font-size:34px;margin:6px 0}
.brand-block p{margin:0;color:rgba(255,255,255,.86)}
.primary-btn,.secondary-btn{
  display:inline-flex;align-items:center;justify-content:center;border-radius:14px;
  padding:13px 17px;font-weight:800;border:1px solid transparent;cursor:pointer
}
.primary-btn{background:#fff;color:#16171a}
.secondary-btn{background:transparent;color:#222;border-color:var(--line)}
footer{
  width:min(1240px,calc(100% - 40px));margin:0 auto;border-top:1px solid var(--line);
  padding:28px 0 40px;display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--muted);font-size:13px
}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand img{width:74px;height:auto}
.footer-links{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.footer-links a:hover{color:var(--red)}
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:22px}
.modal-backdrop{position:absolute;inset:0;background:rgba(10,11,13,.55);backdrop-filter:blur(8px)}
.modal-card{position:relative;z-index:1;width:min(480px,100%);background:#fff;color:#191b20;border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:0 30px 100px rgba(0,0,0,.22)}
.modal-close{position:absolute;right:16px;top:12px;border:0;background:transparent;color:#222;font-size:27px;cursor:pointer}
.modal-icon{font-size:34px;margin-bottom:16px}
.modal-card h3{font-size:28px;margin:8px 0}
.modal-card p{color:var(--muted);line-height:1.6}
.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}
@media(max-width:900px){
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:58px}.hero-mark{display:none}
  .public-grid,.technical-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .service-card.featured{grid-column:span 2}
}
@media(max-width:640px){
  .topbar{width:min(100% - 24px,1240px)}main,footer{width:min(100% - 24px,1240px)}
  .top-actions .ghost-link{display:none}.hero{padding:50px 0 48px}.hero h1{font-size:51px}.hero p{font-size:16px}
  .section{padding:50px 0}.section-heading{display:block}.section-heading p{margin-top:10px}
  .public-grid,.technical-grid{grid-template-columns:1fr}.service-card.featured{grid-column:auto}
  .technical{margin:0 -4px 24px;padding:40px 10px 46px}
  .brand-block{grid-template-columns:1fr;padding:26px}
  footer{flex-direction:column;align-items:flex-start}
}

/* --- SARCTE v1.0: Technology & Partners --- */
.partners-section{
  padding-top:54px;
  padding-bottom:34px
}
.partners-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:14px
}
.partner-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 7px 20px rgba(35,38,45,.035);
  min-height:170px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease
}
.partner-card:hover{
  transform:translateY(-3px);
  border-color:rgba(215,25,32,.18);
  box-shadow:0 12px 28px rgba(31,35,43,.07)
}
.partner-logo{
  height:102px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:12px 15px;
  border-bottom:1px solid rgba(20,22,27,.06);
  background:#fff
}
.partner-logo img{
  width:100%;
  max-height:78px;
  object-fit:contain;
  display:block
}
.partner-meta{
  padding:15px 16px 18px;
  display:flex;
  flex-direction:column;
  gap:7px
}
.partner-meta span{
  align-self:flex-start;
  font-size:9px;
  line-height:1;
  font-weight:900;
  letter-spacing:.08em;
  color:var(--red);
  background:#fff0f0;
  border-radius:999px;
  padding:7px 9px
}
.partner-meta strong{
  font-size:16px
}
.social-link{
  display:inline-flex;
  align-items:center;
  gap:6px
}
.social-link img{
  width:17px;
  height:17px;
  display:block
}

@media(max-width:1000px){
  .partners-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:640px){
  .partners-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:430px){
  .partners-grid{grid-template-columns:1fr}
}


/* --- SARCTE v1.1: simplified partners section --- */
.partners-section.minimalist{
  padding-top:54px;
  padding-bottom:30px
}
.partners-logo-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px
}
.partner-logo-tile{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:118px;
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:0 7px 20px rgba(35,38,45,.035);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease
}
.partner-logo-tile:hover{
  transform:translateY(-3px);
  border-color:rgba(215,25,32,.18);
  box-shadow:0 12px 28px rgba(31,35,43,.07)
}
.partner-logo-tile img{
  width:100%;
  max-height:54px;
  object-fit:contain;
  display:block
}
.partners-cta{
  margin-top:18px;
  display:flex;
  justify-content:center
}
@media(max-width:900px){
  .partners-logo-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:520px){
  .partners-logo-strip{grid-template-columns:1fr}
}


/* --- SARCTE v1.2: institutional partner link only --- */
.partners-section.institutional-partners{
  padding-top:54px;
  padding-bottom:34px
}
.partners-link-panel{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:28px 30px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:0 10px 28px rgba(31,35,43,.05)
}
.partners-link-copy{
  display:flex;
  flex-direction:column;
  gap:8px;
  max-width:760px
}
.partners-link-copy strong{
  font-size:22px;
  line-height:1.2
}
.partners-link-copy span{
  color:var(--muted);
  line-height:1.6
}
@media(max-width:760px){
  .partners-link-panel{
    flex-direction:column;
    align-items:flex-start;
    padding:24px
  }
}


/* --- SARCTE v1.3: partner UX refinements --- */
.partners-link-card{
  text-decoration:none;
  color:inherit;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.partners-link-card:hover{
  transform:translateY(-3px);
  border-color:rgba(215,25,32,.18);
  box-shadow:0 14px 34px rgba(31,35,43,.08);
  background:#fffdfd;
}
.partners-link-card:focus-visible{
  outline:3px solid rgba(215,25,32,.18);
  outline-offset:3px;
}
.partners-link-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 18px;
  min-width:240px;
  border-radius:16px;
  background:linear-gradient(120deg,#a80d15,#d71920 58%,#f02a31);
  color:#fff;
  font-weight:800;
  box-shadow:0 10px 24px rgba(165,14,21,.16);
  white-space:nowrap;
}
.partners-link-card:hover .partners-link-cta{
  box-shadow:0 14px 28px rgba(165,14,21,.22);
}
.partners-link-copy span{
  max-width:62ch;
}
@media(max-width:900px){
  .partners-link-panel{
    gap:18px;
  }
  .partners-link-cta{
    min-width:220px;
  }
}
@media(max-width:760px){
  .partners-link-panel{
    flex-direction:column;
    align-items:flex-start;
    padding:22px;
  }
  .partners-link-copy strong{
    font-size:20px;
  }
  .partners-link-copy span{
    font-size:15px;
    line-height:1.55;
  }
  .partners-link-cta{
    min-width:auto;
    width:100%;
  }
}
@media(max-width:480px){
  .partners-section.institutional-partners{
    padding-top:44px;
    padding-bottom:24px;
  }
  .partners-link-panel{
    padding:20px;
    border-radius:20px;
  }
}


/* --- SARCTE v1.4: slimmer red band --- */
.brand-block h2{
  margin:4px 0 4px;
  line-height:1.1;
}
.brand-block p{
  font-size:15px;
  line-height:1.45;
}
.brand-block .primary-btn{
  padding:12px 16px;
}
@media(max-width:640px){
  .brand-block{
    padding:22px 20px;
    border-radius:22px;
    gap:18px;
    margin:22px 0 56px;
  }
  .brand-block h2{
    font-size:30px;
  }
  .brand-block p{
    font-size:14px;
  }
}


/* --- SARCTE v1.6: even slimmer red band --- */
.brand-block{
  min-height:auto;
}
.brand-block .eyebrow{
  font-size:11px;
}
.brand-block h2{
  font-size:28px;
  margin:2px 0 2px;
  line-height:1.04;
}
.brand-block p{
  font-size:14px;
  line-height:1.38;
  margin:0;
}
.brand-block .primary-btn{
  padding:10px 15px;
  border-radius:13px;
}
@media(max-width:640px){
  .brand-block{
    padding:18px 18px !important;
    border-radius:20px;
    gap:14px;
    margin:18px 0 48px;
  }
  .brand-block h2{
    font-size:26px;
  }
  .brand-block p{
    font-size:13px;
    line-height:1.35;
  }
  .brand-block .primary-btn{
    padding:10px 14px;
  }
}


/* --- SARCTE v1.7: final centered CTA width refinement --- */
.brand-block{
  width:92%;
  margin-left:auto;
  margin-right:auto;
}

@media(max-width:900px){
  .brand-block{
    width:94%;
  }
}

@media(max-width:640px){
  .brand-block{
    width:96%;
  }
}


/* --- SARCTE v1.8: production/accessibility refinements (visual-neutral) --- */
.skip-link{
  position:fixed;
  left:16px;
  top:14px;
  z-index:9999;
  padding:10px 14px;
  border-radius:10px;
  background:#111;
  color:#fff;
  font-weight:700;
  transform:translateY(-160%);
  transition:transform .18s ease;
}
.skip-link:focus{
  transform:translateY(0);
}
a:focus-visible,
button:focus-visible,
.service-card:focus-visible{
  outline:3px solid rgba(215,25,32,.28);
  outline-offset:3px;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
}