:root{
  --navy:#0B3062;
  --teal:#2CA9BC;
  --cyan:#00BBDA;
  --red:#DD2728;

  --card:rgba(255,255,255,.70);
  --text:#0B1F3A;
  --muted:rgba(11,31,58,.75);
  --border:rgba(11,48,98,.22);
  --shadow: 0 14px 40px rgba(0,0,0,.35);
  --nav-link:var(--navy);
  --nav-link-hover:#16477f;
  --input-bg:rgba(255,255,255,.92);
  --ghost-bg:rgba(11,48,98,.06);
  --body-grad-1:rgba(255,255,255,.99);
  --body-grad-2:rgba(255,255,255,.99);
  --body-grad-3:rgba(214,232,255,.94);
  --body-grad-4:rgba(120,174,233,.90);
  --header-grad-1:rgba(255,255,255,.99);
  --header-grad-2:rgba(255,255,255,.99);
  --header-grad-3:rgba(214,232,255,.94);
  --header-grad-4:rgba(170,206,244,.90);
  --header-border:rgba(11,48,98,.18);
  --header-shadow:0 8px 24px rgba(11,48,98,.08);
  --radius: 18px;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}
[data-theme="dark"]{
  --card:rgba(8,27,58,.62);
  --text:#EAF1FF;
  --muted:rgba(234,241,255,.78);
  --border:rgba(180,208,247,.28);
  --shadow:0 14px 40px rgba(0,0,0,.55);
  --nav-link:#EAF1FF;
  --nav-link-hover:#BBD7FF;
  --input-bg:rgba(4,17,40,.75);
  --ghost-bg:rgba(152,196,255,.16);
  --body-grad-1:rgba(8,20,44,.98);
  --body-grad-2:rgba(9,24,52,.98);
  --body-grad-3:rgba(12,39,80,.95);
  --body-grad-4:rgba(16,55,109,.93);
  --header-grad-1:rgba(9,22,47,.96);
  --header-grad-2:rgba(12,31,63,.94);
  --header-grad-3:rgba(18,50,95,.92);
  --header-grad-4:rgba(24,69,130,.90);
  --header-border:rgba(187,214,250,.25);
  --header-shadow:0 8px 24px rgba(0,0,0,.38);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    linear-gradient(
      180deg,
      var(--body-grad-1) 0%,
      var(--body-grad-2) 30%,
      var(--body-grad-3) 62%,
      var(--body-grad-4) 100%
    );
  line-height:1.5;
}

a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

header{
  position:sticky;top:0;z-index:20;
  backdrop-filter: blur(10px);
  background: linear-gradient(
    90deg,
    var(--header-grad-1) 0%,
    var(--header-grad-2) 5%,
    var(--header-grad-3) 62%,
    var(--header-grad-4) 100%
  );
  border-bottom:1px solid var(--header-border);
  box-shadow: var(--header-shadow);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0; gap:16px;
  position:relative;
}

.brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:auto;
  height:72px;
  flex:0 0 auto;
}
.brand picture{
  width:auto;
  height:100%;
  display:block;
}
.brand img{
  width:auto;
  height:100%;
  display:block;
  object-fit:contain;
  transform:scale(1.5);
  transform-origin:left center;
  filter: drop-shadow(0 2px 8px rgba(11,48,98,.16));
}
[data-theme="dark"] .brand img{
  filter: drop-shadow(0 2px 10px rgba(187,214,250,.28));
}

.links{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.links a{opacity:1;color:var(--nav-link)}
.links a:hover{color:var(--nav-link-hover)}

.nav-actions{display:flex;align-items:center;gap:10px}
.theme-toggle{
  min-width:92px;
  padding:8px 10px;
  font-size:13px;
  justify-content:center;
}
.menu-toggle{
  display:none;
  width:44px;
  height:40px;
  padding:8px;
  align-items:center;
  justify-content:center;
  gap:4px;
  flex-direction:column;
}
.menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--nav-link);
  border-radius:2px;
}

.cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:12px;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  color:#00182f;font-weight:900;
  box-shadow: var(--shadow);
  border:0;
}
.btn{cursor:pointer}

.hero{padding:70px 0 34px}
.hero-grid{display:grid;grid-template-columns: 1.25fr .75fr;gap:26px;align-items:stretch}
@media (max-width: 1200px) and (min-width: 901px){
  .brand{
    height:128px;
  }
  .brand img{
    transform:scale(1.5);
  }
}
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  header{
    background: linear-gradient(
      90deg,
      var(--header-grad-4) 0%,
      var(--header-grad-3) 38%,
      var(--header-grad-2) 75%,
      var(--header-grad-1) 100%
    );
  }
  [data-theme="dark"] header{
    background: linear-gradient(
      90deg,
      rgba(255,255,255,.28) 0%,
      rgba(255,255,255,.14) 36%,
      var(--header-grad-3) 62%,
      var(--header-grad-4) 100%
    );
  }
  .brand{
    width:auto;
    height:68px;
    flex-basis:auto;
  }
  .brand img{
    transform:none;
  }
  .menu-toggle{display:inline-flex}
  .links{
    display:none;
    position:absolute;
    top:calc(100% + 8px);
    left:0;
    right:0;
    padding:12px;
    border:1px solid var(--border);
    border-radius:14px;
    background:var(--card);
    box-shadow:var(--shadow);
    z-index:40;
  }
  .links.is-open{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
  }
  .theme-toggle{
    min-width:84px;
    padding:7px 9px;
    font-size:12px;
  }
}

h1{font-size:48px;line-height:1.05;margin:0 0 14px;font-weight:950}
@media (max-width:520px){h1{font-size:38px}}
.lead{color:var(--muted);font-size:18px;margin:0 0 22px;max-width:62ch}

.actions{display:flex;gap:12px;flex-wrap:wrap}
.ghost{
  padding:10px 14px;border-radius:12px;
  border:1px solid var(--border);
  background: var(--ghost-bg);
  font-weight:900;
}

.card{
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.tile{padding:18px}
.tile h3{margin:0 0 8px}
.tile p{margin:0;color:var(--muted)}

.pill{
  display:inline-flex;gap:8px;align-items:center;
  border:1px solid var(--border);
  background: rgba(255,255,255,.55);
  padding:8px 10px;border-radius:999px;
  margin:6px 6px 0 0;
  font-size:13px;
  color:var(--text);
}
.dot{width:8px;height:8px;border-radius:99px;background:var(--red)}

.section{padding:40px 0}
.section h2{margin:0 0 14px;font-size:26px}
.muted{color:var(--muted)}

.grid3{display:grid;grid-template-columns: repeat(3, 1fr);gap:16px}
@media (max-width: 900px){ .grid3{grid-template-columns:1fr} }
.products-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}
@media (max-width: 768px){ .products-grid{grid-template-columns:1fr} }

.product-link-wrap{
  margin-top:16px;
  padding-top:8px;
}
.product-link{
  display:inline-flex;
  padding:12px 16px;
}

.footer{
  margin-top:36px;
  padding:26px 0 22px;
  border-top:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.06));
}
[data-theme="dark"] .footer{
  background: linear-gradient(180deg, rgba(12,30,62,.45), rgba(8,22,46,.30));
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:18px;
  padding-bottom:14px;
  margin-bottom:14px;
  border-bottom:1px solid var(--border);
}
.footer-block{display:grid;gap:6px}
.footer-label{
  margin:0;
  font-size:11px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted);
}
.footer-text{
  margin:0;
  font-size:14px;
  color:var(--text);
}
.footer-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-icon{
  width:16px;
  height:16px;
  display:inline-flex;
  color:var(--nav-link);
  flex:0 0 16px;
}
.footer-icon svg{
  width:100%;
  height:100%;
  display:block;
}
.footer-link{
  color:var(--nav-link);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.footer-link:hover{color:var(--nav-link-hover)}
.footer-legal{
  display:block;
  color:var(--muted);
  font-size:12px;
}
@media (max-width: 640px){
  .footer-grid{grid-template-columns:1fr}
}

.mt-0{margin-top:0}
.mt-10{margin-top:10px}
.mt-16{margin-top:16px}
.mt-18{margin-top:18px}

.stack{display:grid;gap:10px}
.single-col{grid-template-columns:1fr}
.subcard{box-shadow:none;background:rgba(255,255,255,.04)}
.subcard h3{margin:0 0 6px;font-size:15px}

.form-grid{
  display:grid;
  gap:10px;
  grid-template-columns:1fr 1fr;
}
@media (max-width: 640px){
  .form-grid{grid-template-columns:1fr}
}
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}
.hidden-field{
  position:absolute;
  left:-10000px;
  width:1px;
  height:1px;
  overflow:hidden;
}
.form-status{
  display:none;
  margin-top:10px;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
}
.form-status.is-visible{display:block}
.form-status.is-success{
  border-color: rgba(44,169,188,.6);
  background: rgba(44,169,188,.15);
  color:#0b3b44;
}
.form-status.is-error{
  border-color: rgba(221,39,40,.7);
  background: rgba(221,39,40,.14);
  color:#5a1213;
}

input,textarea{
  width:100%;
  padding:12px;
  border-radius:12px;
  border:1px solid var(--border);
  background: var(--input-bg);
  color:var(--text);
  font-family:var(--font);
  outline:none;
}
input:focus,textarea:focus{border-color:rgba(0,187,218,.6)}