/* ============================================================
   ZERO CLM · SHARED DESIGN SYSTEM · English version
   ============================================================ */
:root{
  --navy-900:#000308;
  --navy-800:#050D18;
  --navy-700:#0A1628;
  --navy-600:#0A2440;
  --navy-500:#1A2540;
  --cyan:#2EA3E0;
  --cyan-light:#7FCBED;
  --blue-deep:#1E6FA8;
  --success:#1D9E75;
  --warning:#EF9F27;
  --danger:#E5484D;
  --w-90:rgba(255,255,255,0.90);
  --w-75:rgba(255,255,255,0.75);
  --w-60:rgba(255,255,255,0.60);
  --w-40:rgba(255,255,255,0.40);
  --w-18:rgba(255,255,255,0.18);
  --w-12:rgba(255,255,255,0.12);
  --w-06:rgba(255,255,255,0.06);
  --b-cyan-30:rgba(46,163,224,0.30);
  --b-cyan-18:rgba(46,163,224,0.18);
  --b-cyan-10:rgba(46,163,224,0.10);
  --r-sm:6px;
  --r-md:8px;
  --r-lg:14px;
  --container-max:1280px;
  --t-fast:0.18s ease;
  --t-mid:0.32s cubic-bezier(0.4,0,0.2,1);
  --t-slow:0.6s cubic-bezier(0.22,1,0.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  background:var(--navy-900);
  color:#fff;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ============================================================
   NAV / HEADER
   ============================================================ */
.zero-nav{
  position:sticky;top:0;z-index:50;
  background:rgba(0,3,8,0.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:0.5px solid var(--w-12);
}
.zero-nav-inner{
  max-width:var(--container-max);
  margin:0 auto;
  padding:18px 32px;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;
}
.zero-logo{
  font-family:'Archivo',sans-serif;
  font-weight:800;
  font-size:22px;
  letter-spacing:-0.02em;
  color:#fff;
  display:flex;align-items:center;gap:8px;
}
.zero-logo .dot{color:var(--cyan)}

.zero-nav-links{
  display:flex;align-items:center;gap:30px;
  list-style:none;
}
.zero-nav-links a{
  font-size:14px;
  font-weight:500;
  color:var(--w-75);
  transition:color var(--t-fast);
  position:relative;
}
.zero-nav-links a:hover{color:#fff}
.zero-nav-links .has-sub{position:relative;cursor:pointer}
.zero-nav-links .has-sub::after{
  content:"";
  display:inline-block;
  width:6px;height:6px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  margin-left:6px;
  opacity:0.6;
}
.zero-nav-links .submenu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);
  background:var(--navy-800);
  border:0.5px solid var(--w-12);
  border-radius:var(--r-md);
  padding:10px;
  min-width:240px;
  opacity:0;visibility:hidden;
  transition:all var(--t-fast);
  list-style:none;
  margin-top:14px;
  box-shadow:0 18px 40px -12px rgba(0,0,0,0.5);
}
.zero-nav-links .has-sub:hover .submenu{
  opacity:1;visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.zero-nav-links .submenu li{margin:0}
.zero-nav-links .submenu a{
  display:block;
  padding:10px 14px;
  border-radius:6px;
  font-size:13.5px;
}
.zero-nav-links .submenu a:hover{
  background:var(--w-06);
  color:var(--cyan);
}

.zero-nav-cta{
  background:var(--cyan);
  color:var(--navy-900);
  padding:11px 20px;
  border-radius:var(--r-md);
  font-weight:700;
  font-size:13.5px;
  transition:all var(--t-fast);
}
.zero-nav-cta:hover{
  background:var(--cyan-light);
  transform:translateY(-1px);
  box-shadow:0 8px 20px -8px rgba(46,163,224,0.5);
}

.zero-nav-burger{
  display:none;
  background:transparent;border:0;
  width:38px;height:38px;
  cursor:pointer;
  color:#fff;
}
.zero-nav-burger span{
  display:block;width:22px;height:1.5px;background:#fff;margin:5px auto;
  transition:all var(--t-fast);
}

@media(max-width:1024px){
  .zero-nav-links,.zero-nav-cta{display:none}
  .zero-nav-burger{display:block}
  .zero-nav-mobile-open .zero-nav-links{
    display:flex;flex-direction:column;
    position:absolute;top:100%;left:0;right:0;
    background:var(--navy-800);
    padding:24px;gap:16px;
    border-bottom:0.5px solid var(--w-12);
  }
  .zero-nav-mobile-open .zero-nav-cta{
    display:inline-flex;margin-top:8px;align-self:flex-start;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary{
  background:var(--cyan);
  color:var(--navy-900);
  font-family:'Inter',sans-serif;
  font-weight:700;
  font-size:14.5px;
  padding:15px 28px;
  border-radius:var(--r-md);
  border:0;cursor:pointer;
  display:inline-flex;align-items:center;gap:10px;
  transition:background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.btn-primary:hover{
  background:var(--cyan-light);
  transform:translateY(-1px);
  box-shadow:0 8px 24px -8px rgba(46,163,224,0.55);
}
.btn-outline{
  background:transparent;
  color:#fff;
  border:1px solid var(--w-18);
  font-weight:500;
  font-size:14.5px;
  padding:14px 26px;
  border-radius:var(--r-md);
  display:inline-flex;align-items:center;gap:10px;
  transition:all var(--t-fast);
}
.btn-outline:hover{border-color:var(--w-40);background:var(--w-06)}

/* ============================================================
   COMMON LAYOUT
   ============================================================ */
.section{
  padding:96px 32px;
  position:relative;
}
.section-narrow{padding:72px 32px}
.container{max-width:var(--container-max);margin:0 auto}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Archivo',sans-serif;
  font-size:11px;
  font-weight:600;
  letter-spacing:2.2px;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:20px;
  padding:8px 16px;
  background:rgba(46,163,224,0.08);
  border:0.5px solid var(--b-cyan-18);
  border-radius:99px;
}
.eyebrow .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--cyan);
  position:relative;
}
.eyebrow .pulse::before{
  content:"";position:absolute;inset:0;border-radius:50%;background:var(--cyan);
  animation:pulse-ring 2.4s ease-out infinite;
}
@keyframes pulse-ring{
  0%{transform:scale(1);opacity:0.6}
  100%{transform:scale(2.4);opacity:0}
}

.section-title{
  font-family:'Archivo',sans-serif;
  font-weight:800;
  font-size:clamp(30px, 4vw, 48px);
  line-height:1.1;
  letter-spacing:-0.025em;
  margin-bottom:20px;
}
.section-title .accent{color:var(--cyan)}
.section-lede{
  font-size:17px;
  line-height:1.6;
  color:var(--w-75);
  max-width:680px;
  margin-bottom:40px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.zero-footer{
  background:var(--navy-800);
  border-top:0.5px solid var(--w-12);
  padding:72px 32px 32px;
  margin-top:80px;
}
.zero-footer-inner{
  max-width:var(--container-max);margin:0 auto;
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:0.5px solid var(--w-12);
}
.zero-footer h4{
  font-family:'Archivo',sans-serif;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.4px;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:20px;
}
.zero-footer ul{list-style:none}
.zero-footer li{margin-bottom:10px}
.zero-footer li a{
  font-size:14px;
  color:var(--w-60);
  transition:color var(--t-fast);
}
.zero-footer li a:hover{color:#fff}
.zero-footer .brand-block p{
  font-size:14px;
  line-height:1.65;
  color:var(--w-60);
  margin-top:12px;
  max-width:340px;
}
.zero-footer .socials{
  display:flex;gap:10px;margin-top:24px;
}
.zero-footer .socials a{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--w-06);
  border:0.5px solid var(--w-12);
  border-radius:50%;
  color:var(--w-60);
  transition:all var(--t-fast);
}
.zero-footer .socials a:hover{
  background:var(--b-cyan-18);
  border-color:var(--b-cyan-30);
  color:var(--cyan);
}
.zero-footer-bottom{
  max-width:var(--container-max);margin:0 auto;
  padding-top:28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;
  font-size:12.5px;color:var(--w-40);
}
.zero-footer-bottom .legal a{margin-left:18px;color:var(--w-40)}
.zero-footer-bottom .legal a:hover{color:var(--w-75)}

@media(max-width:900px){
  .zero-footer-inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:520px){
  .zero-footer-inner{grid-template-columns:1fr}
  .section{padding:64px 20px}
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-cyan{color:var(--cyan)}
.text-muted{color:var(--w-60)}
.text-center{text-align:center}
.mt-1{margin-top:8px}
.mt-2{margin-top:16px}
.mt-3{margin-top:24px}
.mt-4{margin-top:32px}
.mt-5{margin-top:48px}

/* Reveal */
.reveal{opacity:0;transform:translateY(20px);animation:reveal-up 0.7s var(--d, 0s) forwards}
@keyframes reveal-up{to{opacity:1;transform:translateY(0)}}