:root{
  --bg: #f4f6fb;
  --bg-warm: #fafbfd;
  --panel: rgba(255,255,255,.92);
  --panel-2: rgba(255,255,255,.98);
  --text: #0f172a;
  --muted: #475569;
  --faint: #64748b;
  --line: rgba(15,23,42,.1);

  --brand-1: #6d28d9;
  --brand-2: #0891b2;
  --brand-3: #ea580c;
  --brand-4: #16a34a;

  --shadow: 0 18px 60px rgba(15,23,42,.12);
  --shadow-strong: 0 12px 40px rgba(15,23,42,.18);
  --radius: 18px;
  --radius-sm: 14px;
  --max: 1120px;

  --hero-buildings: url("https://images.unsplash.com/photo-1480714378408-67cf0d13bc1b?w=1600&q=80");
}

*{ box-sizing:border-box }
html{ scroll-behavior:smooth }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(109,40,217,.12), transparent 55%),
    radial-gradient(900px 700px at 90% 10%, rgba(8,145,178,.1), transparent 50%),
    radial-gradient(1000px 800px at 70% 120%, rgba(234,88,12,.08), transparent 50%),
    var(--bg);
  line-height: 1.55;
}

img{ max-width:100%; height:auto; display:block }
a{ color: inherit; text-decoration: none }
p{ margin: 0 0 14px }
h1,h2,h3{ line-height: 1.1; letter-spacing: -0.02em }
h1{ font-size: clamp(2.2rem, 4.5vw, 3.5rem); margin: 0 0 12px }
h2{ font-size: clamp(1.4rem, 2.5vw, 2rem); margin: 0 0 12px }
h3{ font-size: 1.05rem; margin: 0 0 6px }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); border:0;
}
.skip-link{
  position:absolute; left:12px; top:12px;
  padding:10px 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  transform: translateY(-160%);
  box-shadow: var(--shadow);
}
.skip-link:focus{ transform: translateY(0); outline: none; box-shadow: 0 0 0 3px rgba(8,145,178,.4) }

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

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244,246,251,.75);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255,255,255,.8);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand{ display:flex; align-items:center; gap:10px }
.brand__mark{
  width:28px; height:28px;
  filter: drop-shadow(0 2px 8px rgba(15,23,42,.15));
}
.brand__text{ font-weight: 700; letter-spacing: -0.01em }

.site-nav{ display:flex; align-items:center; gap: 16px }
.nav-link{
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
}
.nav-link:hover{
  color: var(--text);
  background: rgba(15,23,42,.06);
  border-color: var(--line);
}
.nav-link--cta{
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  color: #fff;
  font-weight: 700;
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(109,40,217,.25);
}
.nav-link--cta:hover{ filter: brightness(1.08); color: #fff }

/* active nav */
html[data-nav="home"] .nav-link[data-nav-link="home"],
html[data-nav="solutions"] .nav-link[data-nav-link="solutions"],
html[data-nav="technology"] .nav-link[data-nav-link="technology"],
html[data-nav="use-cases"] .nav-link[data-nav-link="use-cases"],
html[data-nav="compliance"] .nav-link[data-nav-link="compliance"],
html[data-nav="contact"] .nav-link[data-nav-link="contact"]{
  color: var(--text);
  background: rgba(15,23,42,.08);
  border-color: var(--line);
}

.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.06);
  color: var(--text);
}
.nav-toggle__bars{
  width: 18px;
  height: 12px;
  position: relative;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:2px;
  background: var(--text);
  border-radius: 2px;
}
.nav-toggle__bars::before{ top:0 }
.nav-toggle__bars::after{ bottom:0 }

.hero{
  position: relative;
  overflow: hidden;
  padding: 54px 0 16px;
}
.hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--hero-buildings);
  background-size: cover;
  background-position: center 30%;
  opacity: .18;
  pointer-events: none;
  z-index: 0;
}
.hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(244,246,251,.4) 0%, rgba(244,246,251,.92) 45%, var(--bg) 100%);
  pointer-events: none;
  z-index: 1;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
  align-items:center;
  position: relative;
  z-index: 2;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.7);
  color: var(--muted);
  font-size: .92rem;
  margin-bottom: 14px;
  box-shadow: 0 2px 12px rgba(15,23,42,.06);
}
.lead{ color: var(--muted); font-size: 1.08rem; max-width: 52ch }
.hero-actions{ display:flex; gap: 12px; margin-top: 18px; flex-wrap: wrap }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.8);
  color: var(--text);
  font-weight: 650;
  box-shadow: 0 2px 12px rgba(15,23,42,.06);
}
.btn:hover{ background: rgba(255,255,255,.95); border-color: rgba(15,23,42,.2) }
.btn--primary{
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(109,40,217,.28);
}
.btn--primary:hover{ filter: brightness(1.08); color: #fff }
.btn--ghost{
  background: rgba(15,23,42,.05);
  border-color: var(--line);
}

.hero-media__frame{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.7));
  box-shadow: var(--shadow);
  padding: 14px;
}
.hero-media__frame img{
  width: 100%;
  border-radius: 14px;
}
.hero-media__img--photo{
  aspect-ratio: 16/10;
  object-fit: cover;
}
.hero-bg{
  position:absolute;
  inset: -60px -80px auto -80px;
  opacity: .35;
  pointer-events:none;
  mix-blend-mode: multiply;
  filter: blur(.2px);
  z-index: 0;
}

.breadcrumbs{
  margin-top: 16px;
}
.breadcrumbs ol{
  list-style:none;
  padding: 0;
  margin: 0 auto;
  width: min(var(--max), calc(100% - 32px));
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--faint);
}
.breadcrumbs li{ display:flex; align-items:center; gap: 8px }
.breadcrumbs li:not(:last-child)::after{ content:"/"; color: var(--faint) }
.breadcrumbs a{ color: var(--muted) }
.breadcrumbs a:hover{ color: var(--text) }

.section{ padding: 26px 0 }
.section .container{
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 22px 22px;
  box-shadow: var(--shadow);
}

.grid{ display:grid; gap: 14px }
.cards{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card{
  display:flex;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,250,252,.9));
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
  box-shadow: 0 2px 12px rgba(15,23,42,.06);
}
.card:hover{
  transform: translateY(-3px);
  border-color: rgba(8,145,178,.35);
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,250,252,.95));
  box-shadow: var(--shadow-strong);
}
.card__icon{
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  background: linear-gradient(135deg, rgba(109,40,217,.15), rgba(8,145,178,.12));
  border: 1px solid var(--line);
  color: var(--brand-1);
}
.card__body p{ color: var(--muted); margin: 0 0 10px }
.card__link{ color: var(--brand-2); font-weight: 700 }

.bullets{
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.bullets li{ margin: 8px 0 }

.cta{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(700px 200px at 0% 50%, rgba(109,40,217,.12), transparent 60%),
    radial-gradient(700px 240px at 100% 50%, rgba(8,145,178,.1), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,250,252,.9));
  box-shadow: var(--shadow);
}
.cta p{ color: var(--muted); margin: 0 }
.cta__actions{ display:flex; gap: 10px; flex-wrap: wrap }

.site-footer{
  padding: 26px 0 28px;
  border-top: 1px solid var(--line);
  margin-top: 24px;
  background: rgba(255,255,255,.6);
  box-shadow: 0 -1px 0 var(--line);
}
.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 18px;
}
.footer-brand__title{ font-weight: 800; letter-spacing: -0.02em }
.footer-brand__tag{ color: var(--muted); margin-top: 6px }
.footer-links{ display:flex; gap: 16px; flex-wrap: wrap; color: var(--muted) }
.footer-links a:hover{ color: var(--text) }
.footer-bottom{ margin-top: 14px; color: var(--faint) }

@media (max-width: 920px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-media{ order: -1 }
  .cards{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px){
  .nav-toggle{ display:inline-flex }
  .site-nav{
    position: fixed;
    top: 70px;
    right: 16px;
    left: 16px;
    display:none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
  }
  .nav-open .site-nav{ display:flex }
  .nav-link{ width:100% }
  .cards{ grid-template-columns: 1fr; }
  .cta{ flex-direction: column; align-items:flex-start }
  .footer-inner{ flex-direction: column }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto }
  .card{ transition:none }
}