:root {
  --red: #e30613;
  --black: #101114;
  --dark: #17191f;
  --gray: #6b7280;
  --light: #f6f7f9;
  --white: #ffffff;
  --border: #e5e7eb;
  --radius: 22px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(16, 17, 20, 0.96);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.navbar {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand-logo-img {
  height: 64px;
  width: auto;
  max-width: 320px;
  display: block;
  background: #ffffff;
  border-radius: 14px;
  padding: 6px 12px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
  object-fit: contain;
}

nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255,255,255,0.78);
  font-size: 14px;
}

nav a:hover {
  color: var(--white);
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 999px;
  padding: 4px;
}

.lang-btn {
  border: 0;
  background: transparent;
  color: rgba(255,255,255,0.72);
  border-radius: 999px;
  padding: 8px 11px;
  font-weight: 800;
  cursor: pointer;
  font-size: 12px;
}

.lang-btn.active {
  background: var(--red);
  color: #ffffff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 800;
  background: var(--red);
  color: var(--white);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 14%, rgba(227,6,19,0.22), transparent 30%),
    linear-gradient(135deg, #101114 0%, #181b24 58%, #0b0c10 100%);
  color: var(--white);
  padding: 90px 0 68px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero .container {
  position: relative;
}

.eyebrow {
  color: #ff4b55;
  font-weight: 900;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 12px;
}

h1 {
  max-width: 920px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: -1.4px;
  margin-bottom: 22px;
}

.hero p {
  max-width: 820px;
  color: rgba(255,255,255,0.78);
  font-size: 18px;
}

section {
  padding: 74px 0;
}

.lead {
  max-width: 900px;
  font-size: 21px;
  line-height: 1.55;
  color: #252932;
  margin-bottom: 30px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  background: var(--white);
  box-shadow: 0 14px 40px rgba(16,17,20,0.06);
}

.card h2,
.card h3 {
  font-size: 22px;
  line-height: 1.25;
  margin-bottom: 12px;
}

.card p {
  color: #4a515f;
  font-size: 15.5px;
}

.card ul {
  list-style: none;
  display: grid;
  gap: 8px;
  margin-top: 12px;
  color: #404653;
  font-size: 15px;
}

.card li::before {
  content: "✓";
  color: var(--red);
  font-weight: 900;
  margin-right: 8px;
}

.callout {
  border-radius: 28px;
  padding: 34px;
  background: linear-gradient(135deg, var(--red), #8d0008);
  color: var(--white);
  margin: 34px 0;
}

.callout strong {
  display: block;
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.2;
  margin-bottom: 12px;
}

.callout p {
  color: rgba(255,255,255,0.82);
  font-size: 17px;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.comparison .bad {
  border-color: #f4c7c7;
  background: #fff8f8;
}

.comparison .good {
  border-color: rgba(227,6,19,0.22);
  background: #fff;
}

.process {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 17px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
}

.num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--red);
  font-weight: 900;
}

.dark {
  background: var(--black);
  color: var(--white);
}

.dark .card {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
}

.dark .card p,
.dark .card li {
  color: rgba(255,255,255,0.72);
}

footer {
  background: #0b0c10;
  color: var(--white);
  padding: 42px 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: rgba(255,255,255,0.72);
}

@media (max-width: 920px) {
  nav { display: none; }
  .grid,
  .grid.two,
  .comparison {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .navbar {
    height: auto;
    padding: 12px 0;
  }
  .brand-logo-img { height: 54px; }
  section { padding: 56px 0; }
  .callout { padding: 28px; }
}

:root{--top-strip-height:76px;--sidebar-width:238px}
html,body{max-width:100%;overflow-x:hidden}
body{padding-top:var(--top-strip-height);padding-left:var(--sidebar-width)}
body::before{content:"";position:fixed;top:0;left:0;right:0;height:var(--top-strip-height);z-index:1200;background:#050505 url("/assets/rfidspace-top-strip.png") left center/contain no-repeat;border-bottom:2px solid rgba(227,6,19,.9);box-shadow:0 10px 34px rgba(0,0,0,.34)}
header{position:fixed!important;top:var(--top-strip-height)!important;left:0;bottom:0;width:var(--sidebar-width);height:auto;background:#101114;z-index:1100;overflow-y:auto;border-right:1px solid rgba(255,255,255,.1);border-bottom:0}
.container.navbar,.navbar{width:100%!important;min-height:100%;height:auto;margin:0;padding:18px 14px;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:16px}
.logo{display:block;text-align:center}
.brand-logo-img{display:block;width:100%;max-width:190px;height:auto;max-height:86px;margin:0 auto;object-fit:contain}
.header-actions{display:flex;flex-direction:column;align-items:stretch;gap:14px;width:100%;min-width:0}
header nav,.nav,.header-actions .nav{display:flex!important;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:4px;width:100%;font-size:14px;color:rgba(255,255,255,.78)}
header nav a,.nav a,.header-actions .nav a{display:block;width:100%;padding:8px 10px;border-radius:10px;white-space:normal;line-height:1.25}
header nav a:hover,.nav a:hover,.header-actions .nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.lang-switcher{align-self:center}
.navbar .btn,.header-actions .btn{width:100%;justify-content:center;text-align:center}
.card .icon,
.card .feature-icon{display:none!important}
.card .icon::before,
.card .feature-icon::before,
.card .brand-name::before{content:none!important;display:none!important}
@media(max-width:900px){:root{--top-strip-height:76px;--sidebar-width:0px}body{padding-left:0;padding-top:var(--top-strip-height)}body::before{height:var(--top-strip-height);background-position:center;background-size:contain}header{position:sticky!important;top:var(--top-strip-height)!important;left:auto;bottom:auto;width:100%;max-height:none;overflow:visible;border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}.container.navbar,.navbar{min-height:0;padding:12px 16px}.brand-logo-img{max-width:180px}.header-actions .nav,.nav{max-height:220px;overflow-y:auto}.grid,.grid.two,.comparison{grid-template-columns:1fr}}