* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 88px 0; }
.section-xl { padding: 118px 0 88px; }
.bg-soft { background: var(--color-bg); }
.bg-navy { background: var(--color-navy); color: var(--color-white); }
.center { text-align: center; }
.two-col, .hero-grid, .dashboard-section-grid, .ai-demo-grid, .contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(228, 231, 236, 0.7);
  transition: box-shadow .2s ease, background .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 12px 32px rgba(16, 24, 40, .08); background: rgba(255,255,255,.96); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; }
.main-nav { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 700; color: var(--color-muted); }
.main-nav a { transition: color .2s ease; }
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); }
.mobile-toggle { display: none; border: 0; background: transparent; width: 42px; height: 42px; padding: 8px; cursor: pointer; }
.mobile-toggle span { display: block; height: 2px; background: var(--color-navy); margin: 6px 0; border-radius: 2px; }
.hero { overflow: hidden; background: radial-gradient(circle at 15% 20%, rgba(0,191,166,.12), transparent 30%), radial-gradient(circle at 85% 12%, rgba(20,92,255,.16), transparent 34%), linear-gradient(180deg, #fff 0%, #f9fbff 100%); }
.hero-copy h1, .page-hero h1 { font-size: clamp(42px, 5.2vw, 72px); line-height: 1.02; letter-spacing: -0.055em; margin: 14px 0 20px; color: var(--color-navy); }
.hero-sub, .page-hero p, .lead { font-size: 18px; color: var(--color-muted); max-width: 680px; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 30px 0; }
.center-actions { justify-content: center; }
.trust-row { display: flex; gap: 12px; flex-wrap: wrap; }
.trust-row span { padding: 9px 12px; border: 1px solid var(--color-border); background: var(--color-white); border-radius: 999px; font-size: 13px; font-weight: 700; color: var(--color-muted); }
.hero-visual { position: relative; min-height: 520px; }
.section-head { margin-bottom: 36px; max-width: 760px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.08; letter-spacing: -0.04em; margin: 10px 0 14px; color: var(--color-navy); }
.section-head p { color: var(--color-muted); font-size: 17px; }
.section-head.light h2, .section-head.light p { color: var(--color-white); }
.page-hero { padding: 96px 0 70px; background: linear-gradient(180deg, #fff 0%, var(--color-bg) 100%); }
.compact-hero h1 { max-width: 860px; margin-left: auto; margin-right: auto; }
.compact-hero p { margin-left: auto; margin-right: auto; }
.site-footer { background: var(--color-navy); color: var(--color-white); padding: 64px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 36px; }
.footer-grid h3 { margin: 0 0 14px; font-size: 15px; text-transform: uppercase; letter-spacing: .08em; color: rgba(255,255,255,.78); }
.footer-grid a, .footer-grid p { display: block; color: rgba(255,255,255,.72); margin: 9px 0; }
.footer-desc { max-width: 380px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.footer-badges span { border: 1px solid rgba(255,255,255,.18); border-radius: 999px; padding: 6px 10px; color: rgba(255,255,255,.76); font-size: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 22px; display: flex; justify-content: space-between; gap: 16px; color: rgba(255,255,255,.62); font-size: 14px; }
.admin-body { background: var(--color-bg); }
.admin-shell { display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: 100vh; }
.admin-sidebar { background: var(--color-navy); padding: 28px 22px; color: var(--color-white); }
.admin-sidebar nav { display: grid; gap: 8px; margin-top: 32px; }
.admin-sidebar a { padding: 12px 14px; border-radius: var(--radius-md); color: rgba(255,255,255,.82); font-weight: 700; }
.admin-sidebar nav a:hover { background: rgba(255,255,255,.1); color: var(--color-white); }
.admin-main { padding: 28px; }
.admin-topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 24px; }
.admin-topbar span { color: var(--color-muted); font-weight: 700; }
.admin-topbar h1 { margin: 4px 0 0; font-size: 34px; letter-spacing: -.03em; color: var(--color-navy); }
.admin-user { background: var(--color-white); border: 1px solid var(--color-border); border-radius: 999px; padding: 10px 16px; font-weight: 800; box-shadow: var(--shadow-card); }
.admin-login-body { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(circle at 20% 20%, rgba(20,92,255,.16), transparent 30%), var(--color-bg); padding: 24px; }