:root {
  --bg: #081016;
  --panel: rgba(17, 31, 42, 0.84);
  --panel-strong: #152431;
  --line: rgba(147, 177, 196, 0.18);
  --text: #eef7fb;
  --muted: #a8bac6;
  --cyan: #35d6e6;
  --blue: #4b8dff;
  --green: #48d597;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 78% 8%, rgba(53, 214, 230, 0.16), transparent 34rem), linear-gradient(135deg, #081016 0%, #0d1720 45%, #0a1218 100%);
  line-height: 1.6;
}
body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 78%);
}
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin-top: 0; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid transparent;
  background: rgba(8, 16, 22, 0.72);
  backdrop-filter: blur(18px);
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(53, 214, 230, 0.36);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(53, 214, 230, 0.16), rgba(72, 213, 151, 0.08));
  color: var(--cyan);
  font-weight: 800;
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 0.75rem; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a { padding: 9px 12px; border-radius: 8px; color: var(--muted); font-size: 0.92rem; font-weight: 700; }
.main-nav a:hover, .main-nav a:focus { color: var(--text); background: rgba(255,255,255,0.06); }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--text); }
.section { width: min(1160px, calc(100% - 36px)); margin: 0 auto; padding: 88px 0; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(330px, 470px); align-items: center; gap: clamp(32px, 6vw, 72px); min-height: calc(100vh - 76px); padding-top: 54px; }
.eyebrow { margin-bottom: 12px; color: var(--cyan); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
h1 { max-width: 820px; margin-bottom: 22px; font-size: clamp(2.65rem, 7vw, 5.8rem); line-height: 0.98; letter-spacing: 0; }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.05; letter-spacing: 0; }
h3 { margin-bottom: 10px; font-size: 1.08rem; line-height: 1.25; }
.hero-lead { max-width: 680px; color: var(--muted); font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px; border: 1px solid var(--line); border-radius: 8px; font-weight: 800; }
.button.primary { border-color: rgba(53, 214, 230, 0.5); background: linear-gradient(135deg, var(--cyan), var(--green)); color: #041116; }
.button.secondary { background: rgba(255,255,255,0.045); color: var(--text); }
.hero-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0; }
.hero-metrics div, .card, .contact-card, .dashboard-preview, .ai-band, .reason { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: var(--shadow); }
.hero-metrics div { padding: 16px; box-shadow: none; }
.hero-metrics dt { color: var(--text); font-weight: 800; }
.hero-metrics dd { margin: 4px 0 0; color: var(--muted); font-size: 0.88rem; }
.dashboard-preview { display: grid; gap: 16px; padding: 18px; background: linear-gradient(145deg, rgba(21,36,49,0.96), rgba(8,16,22,0.88)), var(--panel-strong); }
.panel-top, .gauge-card, .mini-grid { display: grid; gap: 12px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,0.04); }
.panel-top { grid-template-columns: auto 1fr auto; align-items: center; }
.status-dot { width: 10px; height: 10px; border-radius: 999px; background: var(--green); box-shadow: 0 0 18px var(--green); }
.gauge-card { grid-template-columns: 132px 1fr; align-items: center; }
.gauge { display: grid; width: 118px; height: 118px; place-items: center; border-radius: 999px; background: radial-gradient(circle at center, #13212c 54%, transparent 55%), conic-gradient(var(--green) 0 86%, rgba(255,255,255,0.12) 86% 100%); }
.gauge span, .card-label, .muted, .mini-grid small, .contact-card small, .contact-card span { color: var(--muted); }
.gauge strong { font-size: 2rem; line-height: 1; }
.line-chart { display: flex; align-items: end; gap: 10px; height: 150px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: linear-gradient(180deg, rgba(75,141,255,0.08), rgba(72,213,151,0.04)); }
.line-chart span { flex: 1; min-width: 18px; border-radius: 5px 5px 0 0; background: linear-gradient(180deg, var(--cyan), var(--blue)); }
.mini-grid { grid-template-columns: repeat(3, 1fr); }
.mini-grid strong, .mini-grid small { display: block; }
.split { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 52px; }
.content-block { color: var(--muted); font-size: 1.06rem; }
.section-heading { max-width: 780px; margin-bottom: 30px; }
.section-heading p { color: var(--muted); font-size: 1.05rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { min-height: 210px; padding: 24px; box-shadow: none; }
.card.compact { min-height: 170px; }
.card p { color: var(--muted); }
.icon { display: inline-grid; width: 40px; height: 32px; place-items: center; margin-bottom: 24px; border-radius: 8px; background: rgba(53,214,230,0.1); color: var(--cyan); font-weight: 800; }
.ai-band { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 42px; padding: 44px; background: linear-gradient(135deg, rgba(53,214,230,0.1), rgba(72,213,151,0.055)), var(--panel); }
.ai-band p { color: var(--muted); font-size: 1.05rem; }
.reason-list { display: grid; gap: 14px; }
.reason { display: grid; grid-template-columns: auto 1fr; gap: 18px; padding: 22px; box-shadow: none; }
.reason > span { width: 12px; height: 100%; min-height: 54px; border-radius: 999px; background: linear-gradient(180deg, var(--cyan), var(--green)); }
.reason p { margin-bottom: 0; color: var(--muted); }
.contact-section { display: grid; grid-template-columns: 1fr minmax(280px, 430px); align-items: center; gap: 34px; }
.contact-section p { max-width: 720px; color: var(--muted); }
.contact-card { display: grid; gap: 8px; padding: 28px; background: linear-gradient(135deg, rgba(75,141,255,0.1), rgba(72,213,151,0.08)); box-shadow: none; }
.contact-card strong { overflow-wrap: anywhere; color: var(--cyan); font-size: 1.28rem; }
.site-footer { display: flex; justify-content: space-between; gap: 18px; padding: 28px clamp(18px, 4vw, 56px); border-top: 1px solid var(--line); color: var(--muted); }
.site-footer div { display: flex; flex-wrap: wrap; gap: 14px; }
.site-footer strong { color: var(--text); }
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: 76px; right: 18px; left: 18px; display: none; flex-direction: column; align-items: stretch; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: rgba(10,18,24,0.98); }
  .main-nav.is-open { display: flex; }
  .hero, .split, .ai-band, .contact-section { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .site-header { min-height: 68px; padding: 12px 18px; }
  .brand small { display: none; }
  .main-nav { top: 68px; }
  .section { width: min(100% - 28px, 1160px); padding: 58px 0; }
  h1 { font-size: clamp(2.45rem, 14vw, 3.65rem); }
  h2 { font-size: clamp(1.8rem, 9vw, 2.5rem); }
  .hero-actions, .hero-metrics, .feature-grid, .mini-grid, .gauge-card { grid-template-columns: 1fr; }
  .hero-actions { display: grid; }
  .dashboard-preview, .ai-band { padding: 16px; }
  .card { min-height: auto; padding: 20px; }
  .line-chart { height: 120px; }
  .site-footer { display: grid; }
}